Device for formation of tunnels

FIELD: mining.

SUBSTANCE: device for formation of tunnels contains cutting head provided with electric or hydraulic motor, mechanism for cutting head actuation, hydraulic mechanism connected to cutting head and designed with possibility of pushing of cutting heads towards the end of tunnel during material removal and supporting structure for support of previously formed part of tunnel. Supporting structure is designed so that to provide support on the tunnel surface both during stop and movement along the tunnel. Cutting head is designed with possibility to move independent of supporting structure. Besides the device has a conveyor for transportation of removed material from cutting head to the place distant from the cutting head during formation of part of tunnel. Also the method of tunnel formation using this device is proposed.

EFFECT: reducing time for tunnel driving.

31 cl, 4 dwg

 

The technical FIELD TO WHICH the PRESENT INVENTION

The present invention relates to a device for the formation of underground tunnels.

PRIOR art

For some time used the structure to maintain the internal space of the mine tunnel, especially the roof. These structures prevent the collapse of tunnels under the influence of forces, transferring the load to the tunnel from the environment.

Part of the tunnel is cut by the cutting head, then the process stops and installed a support structure. Therefore, the usual mechanisms for sinking mountain tunnels are in the "operation stop".

Work on the tunnel excavation in the "operation-stop" continues with increasing length of the tunnel. Installation and commissioning of existing supporting structures is a necessary step and can take a long time.

Further, the concentration of the selected material in the tunnel also slows down the process of tunneling. After cutting part of the tunnel rifled equipment is stopped and the accumulated cut material is removed from the output.

There is a need for technology development.

A SUMMARY of the PRESENT INVENTION

The present invention represents the first device is the primary objective for the formation of an underground tunnel, the device includes:

the cutting head to remove material from the end of the tunnel and thus the formation of the next section of tunnel, part of the cutting head includes an electric or hydraulic motor;

the control mechanism of the cutting head at least partially located at a distance from the cutting head;

the element associated with the cutting head and is designed to push the cutting head in the direction of the end of the tunnel during the procedure of removing material;

supporting structure to maintain the previously formed part of the tunnel by providing a supporting force directed to the surface of the tunnel is arranged to move along the tunnel, while providing a supporting force during the formation of the next part of the tunnel; and

conveyor to move the deleted material in place, remote from the cutting head during the formation of the next part of the tunnel;

moreover, the cutting head is made and at least part of the mechanism so located that directly behind the cutting head is formed of the space, providing the ability to move the support structure, or part thereof during removal of the material of the cutting head into position directly behind the cutting head, without restricting movement of ajusa head in the direction transverse to the direction of movement of the supporting structure, or part thereof, the cutting head is able to move independently of the support structure during removal of material in the direction of the current tunnel and a support structure configured to move in the tunnel in response to and during the advance of the tunnel.

In this description, the term "cutting head" is used to refer in a broad sense head, organized by the removal of material by drilling, stasiunas, cutting, or using any other suitable technique.

In this description, the term "tunnel" is used to denote all types of tunnels, including drainage tunnels, such as the exhaust from other tunnels.

An underground tunnel is not usually in the open, develop, however, the tunnel may start in the open, develop, and can be in the dozens, hundreds, or more metres from the earth's surface. The tunnel, for example, can be transport. The tunnel may be formed in the solid rock, stones, coal or ore.

The device is typically arranged to form a tunnel having from 10 to 25 m2in transverse section.

The element may comprise a hydraulic device, and is usually presented in the form of "pushing beam. The element is usually compiled by the it of the anchor structure, you use provides the basis for pushing the cutting head at the end of the tunnel. Alternatively, the support structure may comprise a mounting element for mounting the element.

The element is usually designed so that the cutting head is able to move independently from the supporting structure in a direction along an underground tunnel.

Next, usually cutting head is made, and at least part of the mechanism is such that immediately behind the cutting head is formed a space that reduce the likelihood that the accumulation of material will require to interrupt the formation of the tunnel.

The device is usually arranged so that in the process support structure, or part thereof, during removal of the material of the cutting head can move to the position immediately behind the attachment of the cutting head at a distance of from 0.5 to 5 m from the cutting head, not restricting the movement of the cutting head in a direction crossing the direction of movement of the support structure, or part thereof.

In one embodiment of the invention the conveyor is designed in such a way that ensures the transportation of the removed material through the tunnel in the right place to be inside formed part of the tunnel, or just tunnel so it is the accumulation of material removed.

A support structure typically comprises an open area through which when it is transported using a disposable material. In one example, the portion of the element, and/or a part of the pipeline is located in the free zone.

The device is usually designed in such a way that when using the removed material is continuously transported by the conveyor from the cutting head.

A support structure may consist of a number of supporting parts, such as a series of supporting parts. Each supporting part is usually made so as to distribute the supporting force and move along the surface so that the supporting strength was maintained during relative movement of the surface of the tunnel.

Each supporting part usually is composed of the drive and are usually made with the possibility of movement, and movement is controlled either automatically by means of a measuring device, or manually by the operator.

The device may comprise a mechanism installation of the supporting rods. Further, the device can be configured so that the formation of the tunnel is not interrupted for the installation of the rods. Each supporting part is usually made so that the supporting rods may be located at or near the location to support the living parts and during the movement of the supporting part.

Supporting parts are usually separated from each other by a distance which allows the supporting rods to pass between them.

In this description, the term "rod" (and its variants) is used to describe the item, such as a steel element, which is set in place to provide ongoing support surface of the tunnel.

The device corresponding to the present invention, provides a supporting force, conveyor removal of material from the cutting head, and is designed to install the support rods during the formation of the tunnel and while moving the device along the tunnel. Consequently, it is possible to prevent or reduce the time delay associated with the technology of passage "start-stop" of the known device, and the device in accordance with the present invention allows to form a tunnel with a relatively high average speed.

The device may comprise a connecting element connecting the cutting head with part of the unit, usually the element that contains the mechanism, such as a hydraulic mechanism to move the cutting head relative to the side of the device.

The device can be made with the possibility of rotation of the cutting head in the horizontal plane. Additionally the device is on can be made with the possibility of rotation of the cutting head in a vertical plane or any other plane. Therefore, the device made in accordance with the present invention, provides advantages in that it gives the opportunity to form rectilinear sections of the tunnel.

The conveyor usually consists of moving relative to each other elements of the conveyor and fed relative to each other. For example, the first element of a pipeline may be in a position overlying a portion adjacent the second element, which in the process is for the first element in the formation of the tunnel. In one particular example implementation of the present invention a series of conveyor elements, and each element of the conveyor has a portion that overlaps with part of the adjacent pipeline element.

In one particular example implementation of the present invention, at least part of the control mechanism of the cutting head during operation is located in a position remote from the cutting head, for example, at a distance of 5 m, 10 m, 50 m, 100 m or more along the tunnel, behind the cutting head.

In one example, the cutting head is driven by a hydraulic motor or electric motor, which may be located within or adjacent to the cutting head. A device that generates a hydraulic pressure for operating the hydraulic actuator, and/or hydraulic mechanism for PR is talkive cutting head generally while using is located remotely from the cutting head at a distance of 5 m, 10 m, 50 m, 100 m or more along the tunnel, behind the cutting head. Therefore, the device in accordance with the present invention has the advantages associated with increased free space on the cutting head, or directly behind the cutting head, which further reduces the likelihood that the concentration of the selected material will require a stop during the formation of the tunnel, and thus increases the amount of space to facilitate the use of high-performance transport equipment, including automatic installation of terminals.

Each supporting portion may be provided with spaced wheels mounted on wheels with a belt and guides for positioning the belt on the wheels. A support structure may be made so as to distribute supporting the roof and/or side walls of the tunnel.

The element can contain internal prostranstvo located on the sides and in the upper part, and may also contain a closed lower part. The element can be designed in such a way that the selected material is transported from the cutting head through the internal space.

The device may comprise a ventilation system that uses the item as a channel for drainage and discharge of gas and dust from the work area or cutting surface, and then the device can be configured to provide ventilation of the working space through the ventilation system.

The device may be arranged so as to apply variopedatus materials into the interior of the element during transport of the extracted material through the interior of the element.

The device may contain a mechanism to control the operation of at least one cutting head, the element and the feeding element node.

In this invention, a method for forming an underground tunnel method, which

in pushing the cutting head in the direction of the end part of an underground tunnel;

removing the rock from the face part of an underground tunnel through the cutting head, and thus,

the cutting head moves in the tunnel as the process of forming the tunnel;

maintain the previously formed part of the underground tunnel with the help of a support structure, is designed to provide a supporting force during displacement of the supporting structure along the tunnel, including the part directly behind the cutting head without restricting movement of the cutting head in a direction crossing the direction of movement of the supporting structure or part thereof;

the move support is her patterns along the tunnel during removal of the material of the cutting head, the remote transport material in place, remote from the cutting head during the formation of an underground tunnel.

The cutting head moves usually occurs regardless of the movement of the supporting structure.

The step of maintaining the previously completed portion of the underground tunnel, using supporting structure usually consists in the application of the sustaining force during the movement of the support structure along the tunnel, including the location within the 0.5-5 m for the cutting head.

The method usually involves pushing the cutting head in the direction of the end of the underground tunnel with the help of this element, as the pushing beam, which can be fixed in the tunnel. The method usually involves moving the cutting head relative to the anchoring of the fastening element by means of a hydraulic mechanism.

The step of moving the supporting structure, or part thereof, is usually to check the position of the cutting head relative to the supporting structure, or part thereof, and moving at least part of the support structure during removal of the material of the cutting head so that the support structure is located directly behind the cutting head, not restricting the movement of the cutting head in a direction crossing the direction of movement of the supporting structure.

PR is Verka position of the cutting head can be carried out visually or sheet of distance measuring devices.

The method generally consists in placing the supporting rods during movement of at least part of the support structure during removal of the material of the cutting head so that the formation of the tunnel is not interrupted for the installation of the rods.

The method may also include the step of elongation of the conveyor while increasing the length of the side tunnel.

The method typically includes the additional step of increasing the working length of the conveyor during transport conveyor of the extracted material. This additional step is usually performed so that the formation of the tunnel was possible without interruption while increasing the length of the pipeline.

Increase the working length of the conveyor typically includes increasing the length of the conveyor belt in the part of the loop of the conveyor belt, which conveyor belt is not used to transport the extracted material. For example, the step to increase the working length of the conveyor may consist of inclination of the guide rollers along the upper surface of the conveyor at the rear of the conveyor so that the conveyor belt gets a pass cross-shape in the rear part of reduced width, which facilitates the access and installation of additional guide elements needed to increase the working length of the pipeline.

In one of the option is in the present invention the method includes the ventilation of the working area, such as a work area located within the element, using a ventilation system that uses the item as the output or supply of gases and dust from the work area.

The method may also include the filing variopedatus material in the inner space of the element.

The element may have an inner space, equipped with additional devices in the lateral and upper parts, and the method may include moving the extracted material from the cutting head through the interior of the element.

The method can include using the item as a working platform.

The method may also include the management of at least one cutting head, and a feed roller.

The present invention can be better understood from the following description of specific embodiments of the present invention.

The description is accompanied by references to the relevant drawings.

BRIEF DESCRIPTION of DRAWINGS

Figure 1 shows the apparatus for forming an underground tunnel in accordance with a specific variant of implementation of the present invention.

Figure 2 shows a device for the formation of underground tunnels in accordance with another variant of implementation of the present invention.

Figure 3-5 shows the components of the device for forming underground the tunnels in accordance with the specific variants of execution of the present invention.

DETAILED DESCRIPTION of embodiments of the INVENTION

The device and method of forming an underground tunnel in accordance with the specific variant of realization of the present invention is described with initial reference to figure 1. In this embodiment, a tunnel is formed in underground conditions and can be a part of mine.

Figure 1 shows a device 100, which has in its composition the cutting head 102 to retrieve rocks at the end of the tunnel, and thus increasing the tunnel. The ends of the tunnel can be represented by soil, stone or ore. In this embodiment, the implementation of the cutting head 102 is constructed so as to remove material by grinding. Alternatively, the cutting head 102 may be arranged in such a way as to remove material by cutting, drilling or using other suitable techniques.

The device 100 also has a pushing beam 104 with a connecting element 105 and the supporting structure 106. Cutting head 102 is connected with the pusher beam 104 connecting element 105 so that the cutting head 102 can be moved in horizontal and vertical directions. Therefore, the device 100 has a capability of forming tunnels, having in its composition a curved areas. When the device is placed in part of the tunnel to increase its length, the mechanisms and the UE is providing a device can be added along the pushing beams, the push-in station or cutting head at the end.

The end part of the push beams 104 mounted on the wall part of the tunnel to provide a basis for pushing the cutting head 102 in the direction of the end of the tunnel during material removal. Pushing beam 104 is composed of a hydraulic device that provides the cutting head moves in the tunnel in the process of increasing the length of the tunnel. When the tunnel goes deep on pre-determined value, the pushing beam is removed from the mesh and put engages deeper down the tunnel. The hydraulic unit is initially retracted so that the next part of the tunnel could be formed without interrupting the operation of the hydraulic device and a corresponding movement of the support structure 106.

In the implementation described embodiment the pushing beam 104 may also be mounted on one of the support structure 106. But in any case, the pushing beam is usually arranged so that the cutting head 102 and a support structure 106 are moved independently from each other.

In this embodiment, the implementation of the cutting head 102 is composed of the electric motor. Alternatively, the cutting head may be provided with a hydraulic motor. A device for generating hydraulic pressure for actuating the hydraulic ILO the RA and/or hydraulic devices pushing beams 104 are located at a distance from the cutting head 102 in a suitable place for the supporting structure 106.

Pushing beam 104 is located within the support structure 106 and comprises an external casing, inside of which there are two screw or other conveyor device, such as a belt conveyor or a chain conveyor. The device 100 also comprises a conveyor (not shown in figure 1) is designed for transportation of material extracted cutting head 102. The extracted material is collected in the rear part of the push beams 104.

Pushing beam 104 provides a rigid structure that transmits the force required to push the cutting head in the direction of the undeveloped end of the tunnel, and thus, by rotating the cutting head produces the notch undeveloped end of the tunnel. Pushing beam 104 also acts as a ballast for retracting the pusher mechanism and overlapping patterns at the end of the belt conveyor forward to ensure it restarts.

Further, the pushing beam 104 is arranged to provide a safe space to accommodate the conveyor system to move the minerals located in the clamping beam 104 to prevent injury working in this area personnel. Pushing beam 104 is a solid Foundation to add a possible individual of strong ventilation is on channel inside the push beams 104, with the means to provide periodic or continuous addition of explosion suppression material, such as stone dust. Further, the pushing beam 104 is made with possibility of installation of ventilation fans (where necessary), adapters and equipment for cleaning, which ensures safe working conditions.

A support structure 106 is composed of a support part 108. Each supporting part 108 is arranged so as to support the ceiling and the sides of the formed tunnel and to move past the cutting head 102 so that it supports the power remained in the process. Supporting part 108 will be described in more detail below with reference to figure 4.

Further, the device 100 comprises a mechanism installation rods (not shown in figure 1). The rods are installed in the wall part formed of the tunnel and arranged to support, if the support part 108 has gone beyond formed part of the tunnel and, therefore, do not provide supporting forces. Each supporting portion 104 is arranged so that the support bars can be installed during movement of the support part 104.

The device 100 has the advantage that the support structure 106 provides a supporting force during DV is the position of the supporting structure 106. The rods can be installed during the lengthening of the tunnel and the material removed by the cutting head 102, constantly transported from the cutting head 102. Further, the device 100 is arranged so that at least part of the mechanisms to control the cutting head 102, such as drive, providing hydraulic pressure for the hydraulic devices of the feeding beam 104, are located away from the cutting head 102 so that increases the free space near the cutting head 102. Therefore, a device 100 in accordance with a variant implementation of the present invention has significant commercial advantages, which, at least in that mode "start-stop device 100 can be avoided or reduced, and the tunnel can be formed with a relatively high average speed.

For forming curved sections of the tunnel lengthening of the tunnel may be interrupted for a short time up until the supporting part moves along the curved section of the tunnel. Alternatively, the support part 108 can also be arranged in such a way as to move along the bend during operation of the cutting head 102, providing a supporting force for supporting the roof. For example, elements 108 may be arranged so that if they are simultaneously the military support of the lateral parts of the tunnel, for some time the side supporting elements are removed to reduce the width of the supporting portions 108 and ensure the movement of the supporting portions 108 around the bend.

Figure 2 presents a schematic illustration of components of a device for forming an underground tunnel. Shows the device 200 is composed of the cutting head 202 for removing material and pushing beam 204 to maintain the cutting head 202 and move the rocks from the cutting head 202. Further, the device 200 comprises control means pushing beam (not shown) and pushing the push beams 204 forward. Conveyor element 208 is organized so as to collect the removed material from the push beams 204 and transmit the collected remote material to another conveyor element 210. In this embodiment, the implementation part of the pushing beam 204 passes through the supporting structure (not shown) as a support structure 106, shown in figure 1.

A support structure 206 is arranged to secure the tunnel to provide the framework to push the cutting head 202 in the direction of the end of the tunnel. The support plate 206 comprises anchoring means, for example, presented in the form of suitable hydraulic locks that secure the caliper 206 relative to the wall portion of the tunnel. When the cutting head 202 and the sense is the one beam 204 is moved as far as possible, make use of the event to release the anchor means and moving the support structure 206 together with the anchor means along the tunnel. Measures to release the anchor means and the moving support structure 206 may include alternative used a pair of hydrocarbon mounted on the wall, floor or roof section of the tunnel.

Activities opening anchor mechanisms and moving the support structure 206 may also include means to prevent lifting of the feeding beam at the time when the application of excessive force from the clamping mechanism.

The pipeline elements 208 and 210 are able to move relative to the push beam 204 and include perehlestyvajushchy part. For example, the pipeline element 208 may be a chain conveyor and the conveyor element 210 may be a belt conveyor, the length of which is considerably greater than the length of the chain conveyor 208. The pipeline elements 208 and 210 are moved relative to each other along the vertical axis so that it is in the overlapping area. In this case, the elements of the conveyor 208 and 210 is designed so that the removed material can be transported along the curved part of the tunnel.

It is essential that in various embodiments of the described embodiments of the present invention in which trojstvo 200 can as an alternative solution to have only one pipeline element. Further, the device 200 may comprise any number of conveyor elements, which can move or be stationary relative to the push beam 204.

The conveyor is arranged so that its length can be increased in the process of lengthening of the tunnel by increasing the length of the pipeline element 210.

The pipeline element 210 is usually organized in such a way as to ensure the availability of sufficient space for operations on the lengthening of the pipeline element 210 during operation. For example, the pipeline element 210 may include rollers, guides the conveyor belt, and which may be adjustable. Such adjustable rollers can be placed in the discharge tail conveyor element 210. The rollers can be adjusted so that the conveyor belt has movetoarea cross-section and a narrower section in the area where you want to install the frame of a conveyor belt. A narrower section provides space for extra support brackets and guide elements necessary for the direction of increased length of conveyor belt.

As the cutting head 202 and the push beam 204 moving forward, the working length of the conveyor belt increases. For example, the working length of the conveyor belt can be increased by which of svobodne additional conveyor belt from the loops of the conveyor belt device, designed to provide basically a constant tension of the conveyor belt. Deeper "sample" the rollers are moved forward together with the shank of a conveyor belt and conveyor belt goes down and passes through the newly established frames of a conveyor belt. Such a device allows to increase the working length of a conveyor belt, without interrupting the cutting process and during the move the deleted material.

The formed tunnel can be several hundred meters in length, and even a few kilometers. The device 200 may include a support structure such as support structure 106, which may consist of any number of supporting parts. The device 200 may include any number of elements of the conveyor, such as conveyor elements 208 and 210, which are organized in such a way that each element of the pipeline is located in the overlapping portion of the adjacent element of the conveyor, where the remote transport material from one conveyor element to the adjacent element of the conveyor is facilitated.

Cutting the connecting openings between parallel tunnels (passes) can be performed using the devices 100 or 200 as described. Alternatively, device 100 or 200 may also include additional, usually shorter, the surrounding beams and usually wider cutting head for cutting openings. For example, an extra set of the feeding beam and the cutting head can be mounted on the feed beam 104. Hydraulic StartNewTopic or other types of StartNewTopic can be mounted on the device to ensure constant maintenance of the roof and lateral parts of the tunnel.

All ventilation, electrical and mechanical maintenance device can also be mounted on the feed beam 104 or 204. Supply of consumables and any materials used during operation of the device 100 or 200 may be carried out on the monorail.

Manual cutting head 102 may be, for example, is provided by a monitor gamma logging used to determine the position of the roof and floor of the tunnel, or using any other form of guide system, for example, the guide system used for internal areas.

The person skilled in the art should be understood that alternatively, the conveyor may take any other suitable form.

Figure 3 schematically shows the bracket 300 of the cutting head, such as the cutting head 102 shown in figure 1, to the push beam such as pushing beam 104, also shown in figure 1. Mount 300 includes multiple sections 304, connected through hydraulic elements 302, on the ina which is controlled by hydraulic pressure, applied to elements 302. Controlling hydraulic pressure, it is possible to bend the connection 300 in the horizontal plane so that it is possible to form tunnels with left or right turn. Section 304 have perehlestyvajushchy part on which the removed material is moved in the direction of the push frame. Connection 300 also includes a similar hydraulic device that allows you to bend the connection 300 in the vertical direction (not shown in Fig.3).

Now in figure 4, more particularly described support structure 400. For example, a support structure 400 may replace the support structure 106, shown in figure 1. A support structure 400 includes a supporting part 402, equipped with frames made from material capable of withstanding the load transmitted by the tunnel's roof. The various parts of each supporting element 402 weld/or sbencivu with each other. Frames consist of two main spaced sections 403 and 405 that specifies the forbidden space 406, located between them. The forbidden space 406 is such that it is able to accommodate the clamping frame, the part of the conveyor and other mining equipment.

A support structure 400 includes startnewtopichow machine 408 to install rods in the surface of the tunnel as a support structure 400 is moved on the onely. Machine 408 is designed to install wall and roof beams independently. Machine 408 is arranged so that the side and roof rack installed independently. Machine 408 mounted on a rotary actuator (not shown) so that the position of the racks can be changed as desired.

The device 400 are spaced part 412 for mounting on the floor of the tunnel, and carry a support structure 400. As can be seen from Figure 4, the spaced portion 412 are fixed to the supporting parts 402 in the corners. The device 400 also comprises part 414, located on top of the support structure 400, and bearing the load of the ceiling of the tunnel so as to distribute the supporting force.

The space between the parallel portions 414 is such that it can accommodate the end of the racks installed in the roof so as to avoid contact between the parts 414 and the end of posts as a support structure 400 is moved along the tunnel.

Part 412 and 414 each include a strap, secured to the spaced wheels. Belts and wheels form what is commonly called caterpillars, commonly used for various excavators and tractors. Using the straps attached to the wheels, parts 412 and 414 are able to move freely along the surface of the tunnel, thus providing PE Emesene device 400 while maintaining the surface of the tunnel.

Part 412 and 414 include actuators, which are controlled by the driver. Support part 412 and 414 is moved so that one of the parts 412 and 414 are located directly behind the mounting of the cutting head 102, typically at a distance of from 0.5 to 5 m from the cutting head, while not impeding the movement of the cutting head in a direction crossing the direction of movement of the support structure, or part thereof. The driver while driving often checks to see how far advanced cutting head, and moves parts 412 and 414, respectively. One or more parts 412 and 414 usually follow them. Support hours are during moving parts 412 and 414 so that the tunnel can be formed basically continuously.

Part 414 also include tools irregularities that may be present on the surface of the tunnel. Working with irregularities is provided by the flexibility of the straps.

Further information about supporting the structure described in international application number PCT/AU 2003/001251 which is attached below for details.

Link to international application number PCT/AU 2003/001251 is not a recognition that the international application number is PCT/AU 2003/001251 is part of General knowledge in Australia or any other country.

The advantage is that the present invention can be implemented in VI is e large number of options for implementation.

1. Apparatus for forming an underground tunnel, comprising: a cutting head for removing material from the end of the tunnel and thus the formation of the next section of tunnel, equipped with electric or hydraulic motor, mechanism for actuating the cutting head at least partially situated away from the cutting head, the element connected to the cutting head, and is designed to push the cutting head in the direction of the end of the tunnel during the removal of the material supporting structure to maintain the previously formed part of the tunnel through the application of the sustaining force to the surface of the tunnel is arranged to move along the tunnel while maintaining supporting forces during the formation of the next section of the tunnel and conveyor for transporting material removed to a place remote from the cutting head during the formation of the next section of the tunnel; wherein the cutting head is made, and at least part of the mechanisms is such that the space formed at or immediately behind the cutting head and the supporting structure or part thereof during removal of the material of the cutting head is moved to a position directly behind the cutting head, not restricting the movement of the cutting g is clever in the direction crossing the direction of movement of the support structure, or part thereof, and the cutting head is configured to move independently from the supporting structure during the removal of material in the direction of the tunnel, and a support structure configured to move in the tunnel in response to and during the advance of the tunnel.

2. The device according to claim 1, characterized in that the pushing beam.

3. The device according to claim 1, wherein the cutting head includes a hydraulic motor and at least part of the mechanisms for operating the cutting head consists of a device for generating hydraulic pressure for the hydraulic motor and when the work is located in a position away from the cutting head.

4. The device according to claim 1, characterized in that at least part of the mechanisms is located in a position at least 10 metres behind the cutting head along the tunnel.

5. The device according to claim 1, characterized in that at least part of the mechanisms is in place, located at least 50 metres behind the cutting head along the tunnel.

6. The device according to claim 1, characterized in that the element includes anchor structure, which during operation provides the basis for pushing the cutting head in the direction of the end of the tunnel.

7. The device according to claim 1, characterized in that it is designed in such the way, that when the support structure, or part thereof, during removal of the material of the cutting head can be moved in position within 0.5-5 m for the cutting head without restricting movement of the cutting head in a direction crossing the direction of movement of the support structure, or part thereof.

8. The device according to claim 1, characterized in that the conveyor is designed to provide the movement of material removed along the tunnel in a suitable location so as to avoid filling element section of the tunnel or just the tunnel, due to the accumulation of material removed.

9. The device according to claim 1, characterized in that it is designed in such a way that during operation the removed material is continuously transported away from the cutting head.

10. The device according to claim 1, wherein the support structure includes an open area through which during operation the removed material is transported, and where the part of the conveyor is located in the free zone.

11. The device according to claim 10, characterized in that the supporting structure is made such that the support bars may be located on or near the site of the supporting part and during the movement of the supporting part.

12. The device according to claim 1, characterized in that it is provided with a device for installation of the supporting rods and where the apparatus for forming an underground tunnel made with the possibility of forming a tunnel without a break for placement of the rods.

13. The device according to item 12, characterized in that it is provided with a fastening of the cutting head to the item and fixture that allows you to move the cutting head against the side of the device.

14. The device according to claim 1, characterized in that it is made so as to form a rectilinear sections of the tunnel.

15. The device according to claim 1, wherein the conveyor includes a conveyor elements having the ability to move relative to each other.

16. The device according to item 15, wherein the first pipeline element includes a portion that gush portion adjacent the second conveyor element, and which is located behind the first pipeline element during the formation of the tunnel.

17. The device according to claim 1, characterized in that it comprises a series of conveyor elements, and each element of the pipeline is part perehlestyvajushchy with part of the adjacent pipeline element.

18. The device according to claim 1, characterized in that the element includes an internal space located on the sides and in the upper part, and where the element is designed so as to transport the material from the cutting head through the inner part.

19. The device according to p, characterized in that it is equipped with a ventilation system using the element as a sleeve for removal and discharge of gases and dust from the work area, and designed the button to ventilate the working area through the ventilation system.

20. The device according to p, characterized in that it is designed to enter variopedatus materials into the interior of the element during transport the cut material through the inner space of the element.

21. The method of forming an underground tunnel, comprising: pushing the cutting head in the direction of the end of the underground tunnel, removing material from the end of the underground tunnel using cutting head and thus the formation of the next section of the underground tunnel, the cutting head moves in the tunnel as the construction of the forming tunnel; maintaining the previously formed section of the underground tunnel with the help of a support structure, which is made so as to provide a supporting force during the movement of the support structure along the tunnel, including the area directly behind the cutting head, without limiting the movement of the cutting head in a direction crossing the direction of movement of the support structure, or part thereof, the moving support patterns along the tunnel during removal of the material of the cutting head and the transport of material removed to a place remote from the cutting head during the formation of an underground tunnel.

22. The method according to item 21, wherein the movement of the cutting head proischodiashimi from the movement of the supporting structure.

23. The method according to item 21, characterized in that it includes pushing the cutting head in the direction of the end of the underground tunnel by using hydraulic means, mounted in the tunnel on the support structure.

24. The method according to item 21, characterized in that it involves moving the supporting structure during removal of the material of the cutting head so that the portion of the support structure is located within the 0.5-5 m for the cutting head.

25. The method according to item 21, characterized in that it includes accommodation support rods during movement of at least part of the support structure during removal of the material of the cutting head so that the formation of the tunnel should not be interrupted for the installation of the rods.

26. The method according to item 21, wherein the step of moving the support structure, or portion thereof, includes checking the position of the cutting head relative to the supporting structure, or part thereof, and moving at least part of the support structure during removal of the material of the cutting head so that the support structure is located directly behind the cutting head, not restricting the movement of the cutting head in a direction crossing the direction of movement of the supporting structure.

27. The method according to item 21, characterized in that it includes a step by ugly the structure of the conveyor during the advance of the tunnel.

28. The method according to item 21, characterized in that it includes a step by lengthening the working length of the conveyor during transport material removed by this pipeline.

29. The method according to item 27, wherein the step of lengthening the working length of the pipeline is performed so that the formation of the tunnel is possible without interruption and at a time of increasing the length of the pipeline.

30. The method according to p, characterized in that the lengthening of the working length of the pipeline is the elongation of the conveyor in which the conveyor carries the removed material and decreasing the length of part of a conveyor belt, which conveyor when the use shall not be deleted material.

31. The method according to item 30, wherein the lengthening of the working length of the pipeline is the inclination of the guide rollers of the conveyor at the rear of the conveyor so that the conveyor has covetousness cross shape at the back and a reduced width, which facilitates the access and placement of additional guide elements necessary to extend the working length of the conveyor.



 

Same patents:

FIELD: mining.

SUBSTANCE: actuator of a tunnel shield with oval shape comprises a central rotor tool, two horizontal side tools and two vertical drum tools. The actuator is telescopically connected to a shield shell along centres of rotation of side and vertical tools, and also via a square opening in a tight partition along the centre of gravity with oval section and a square guide passing through it.

EFFECT: invention provides for correction of shield shell position and position of tunnel section as direction of tools rotation changes.

5 dwg

FIELD: mining.

SUBSTANCE: invention refers to mining industry, namely to driving shields, and may be used during building of highway, railway and public tunnels. Operating member of driving shield includes centre rotor working organ in the form of faceplate, working organs with rock-breaking tools on outer surface for creation of oval form of tunnel section, actuating device of working organs and traveling mechanism. In order to create oval form of tunnel section, working organs are designed as two side and two vertical working organs of drum-type. Each side working organ is designed in the form of body of revolution arranged in relation to cross centroidal principal axis of tunnel section, with bow-shaped element corresponding to arch, half of side arches and perimetres of their connection. End surfaces of vertical working organs of drum-type correspond to arch and floor arch of tunnel. Central working organ is installed by means of bearing on axis located in centre of gravity of driving shield, this axis is also operating member guide. At that side working organs and vertical working organs are installed by means of bearings on their axes rigidly cantilever connected to guide. At that each of mentioned working organs is provided with actuating device, and traveling mechanism is designed in the form of hydraulic jacks.

EFFECT: providing of driving of tunnel of optimal oval shape transverse and establishing of conditions for maximum mechanisation and automation of all operating processes during tunnel building.

5 dwg

Full-face machine // 2324052

FIELD: mining; apparatus for making arched tunnels in underground mining of minerals.

SUBSTANCE: machine includes frame whereon an undercarriage and working element drive gearbox are mounted together with a rotary working head being attached to output shafts of said gearbox. The working head consists of borer, pitching borer, cross element, each end of its arms having a loading bucket with a bottom and sidewalls, and conveyer. The front face bottoms of two loading buckets positioned on opposite arms of said cross element are slopped forward with respect to the machine displacement vector, and those of the other buckets - slopped backward with respect to the same vector.

EFFECT: cleaning-up with the full engagement of the bucket cross-section area; reduction of impact loads for the cross element; reduction of heating and increased wear of the bearings in the working head drive gearbox of the machine.

7 dwg

Full-face machine // 2324051

FIELD: mining; apparatus for making tunnels in underground mining of minerals.

SUBSTANCE: machine includes undercarriage representing a frame whereon caterpillar trucks are attached and trunnion axes of a working head gearbox together with a rotary working head, loading buckets, berm mills, cutting drums, gathering blades, conveyer and protection cowl mounted on supports of said frame. Hydraulic lift cylinders of the working head gearbox are attached to this frame, rods of said cylinders are attached to the working head housing and all rotating parts of said rods are set into bearings equipped with a force lubrication system. The lubrication system includes pump, pressure pipeline, manifolds and system of distribution tubes leading to gear shaft bearings of the gearbox. The undercarriage frame has two tightly closed cavities, wherein a pressure line between the pump and manifolds is positioned being made in the form of coils. Both cavities of the frame are filled with cooling fluid.

EFFECT: cooling of lubricating fluid within the lubrication system; increasing the life of gear shaft bearings of the machine gearbox; decreasing the ambient air temperature; enhancement of working conditions for the operating staff.

4 dwg

FIELD: mining industry and construction, particularly to construct multipurpose tunnels, and tunneling rigs.

SUBSTANCE: method involves successive tunneling tunnel having variable cross-section and demounting tunneling rig. In going from tunnel section having one cross-section to that having another one the tunneling machine is reset by replacing tunnel profile forming members thereof in mounting chamber constructed in end of the first tunnel section so that the number of above members is constant. The rig comprises load-bearing body with air-tight membrane. Fastened to the body are shield shell composed of head and rear parts, shield hydraulic cylinders, cutting edge and multi-axis executive tool with driving modules. Executive tool housing is made as skeleton grid with rock cutting and mixing members. The grid is arranged in front of geometric diaphragm and is connected to outlet shafts of driving modules by means of crankshafts. Means for transporting cut rock from tunnel face and means for tunnel lining laying are arranged inside the shield shell. The rig has additional system comprising head and rear parts of shield shell, removable cutting edge and skeleton grid having outer cross-sectional outline different from that of similar primary members. Head part of sheet shield is composed of figured covering members in transversal cross-section. The covering members are fastened to load-bearing body along tunnel excavation contour.

EFFECT: possibility to construct tunnel having variable profile.

2 cl, 4 dwg

Tunnel shield // 2264538

FIELD: underground building, particularly tunnel shields used to drive tunnels of square cross-sections.

SUBSTANCE: device has body of square cross-section with rounded corners and ground excavation unit made as rotor with cutting members connected to end and cylindrical surfaces thereof. Device also has cutting members made as inserted blades secured in corners of end body surface and inclined walls, which are arranged between body and partition.

EFFECT: simplified structure and increased operational reliability.

3 dwg

FIELD: mining industry.

SUBSTANCE: method includes expanding guiding pipeline by extracting soil from around it by driving shield with rotor working implement. Soil is extracted to value, surpassing needed outer diameter of shield cover. Forming ring-shaped space inside tunnel mine is compacted from back side and continuously filled with liquid. Concurrently sedimentation of extracted soil is drained from lower portion of face. Displacement of driving equipment relatively to guiding pipeline is performed along soft trajectory. Device has means for driving guiding pipeline and driving shield with rotor working implement. Rotor working implement is mounted on body of driving shield. Front surface of working implement with cutters extends beyond outer contour of shield cover, provided with back end compaction. Device is provided with fluid pump device. Force hose of pump is outputted from upward portion beyond outer contour of shield cover. Device for transporting extracted soil from face is made in form of suck-in hose connected to pump device and to lower portion of ring space beyond rotor working implement.

EFFECT: lower transverse loads on guiding pipeline.

2 cl, 1 dwg

FIELD: mining industry.

SUBSTANCE: method includes expanding guiding pipeline by extracting soil from around it by driving shield with rotor working implement. Soil is extracted to value, surpassing needed outer diameter of shield cover. Forming ring-shaped space inside tunnel mine is compacted from back side and continuously filled with liquid. Concurrently sedimentation of extracted soil is drained from lower portion of face. Displacement of driving equipment relatively to guiding pipeline is performed along soft trajectory. Device has means for driving guiding pipeline and driving shield with rotor working implement. Rotor working implement is mounted on body of driving shield. Front surface of working implement with cutters extends beyond outer contour of shield cover, provided with back end compaction. Device is provided with fluid pump device. Force hose of pump is outputted from upward portion beyond outer contour of shield cover. Device for transporting extracted soil from face is made in form of suck-in hose connected to pump device and to lower portion of ring space beyond rotor working implement.

EFFECT: lower transverse loads on guiding pipeline.

2 cl, 1 dwg

Tunnel shield // 2264538

FIELD: underground building, particularly tunnel shields used to drive tunnels of square cross-sections.

SUBSTANCE: device has body of square cross-section with rounded corners and ground excavation unit made as rotor with cutting members connected to end and cylindrical surfaces thereof. Device also has cutting members made as inserted blades secured in corners of end body surface and inclined walls, which are arranged between body and partition.

EFFECT: simplified structure and increased operational reliability.

3 dwg

FIELD: mining industry and construction, particularly to construct multipurpose tunnels, and tunneling rigs.

SUBSTANCE: method involves successive tunneling tunnel having variable cross-section and demounting tunneling rig. In going from tunnel section having one cross-section to that having another one the tunneling machine is reset by replacing tunnel profile forming members thereof in mounting chamber constructed in end of the first tunnel section so that the number of above members is constant. The rig comprises load-bearing body with air-tight membrane. Fastened to the body are shield shell composed of head and rear parts, shield hydraulic cylinders, cutting edge and multi-axis executive tool with driving modules. Executive tool housing is made as skeleton grid with rock cutting and mixing members. The grid is arranged in front of geometric diaphragm and is connected to outlet shafts of driving modules by means of crankshafts. Means for transporting cut rock from tunnel face and means for tunnel lining laying are arranged inside the shield shell. The rig has additional system comprising head and rear parts of shield shell, removable cutting edge and skeleton grid having outer cross-sectional outline different from that of similar primary members. Head part of sheet shield is composed of figured covering members in transversal cross-section. The covering members are fastened to load-bearing body along tunnel excavation contour.

EFFECT: possibility to construct tunnel having variable profile.

2 cl, 4 dwg

Full-face machine // 2324051

FIELD: mining; apparatus for making tunnels in underground mining of minerals.

SUBSTANCE: machine includes undercarriage representing a frame whereon caterpillar trucks are attached and trunnion axes of a working head gearbox together with a rotary working head, loading buckets, berm mills, cutting drums, gathering blades, conveyer and protection cowl mounted on supports of said frame. Hydraulic lift cylinders of the working head gearbox are attached to this frame, rods of said cylinders are attached to the working head housing and all rotating parts of said rods are set into bearings equipped with a force lubrication system. The lubrication system includes pump, pressure pipeline, manifolds and system of distribution tubes leading to gear shaft bearings of the gearbox. The undercarriage frame has two tightly closed cavities, wherein a pressure line between the pump and manifolds is positioned being made in the form of coils. Both cavities of the frame are filled with cooling fluid.

EFFECT: cooling of lubricating fluid within the lubrication system; increasing the life of gear shaft bearings of the machine gearbox; decreasing the ambient air temperature; enhancement of working conditions for the operating staff.

4 dwg

Full-face machine // 2324052

FIELD: mining; apparatus for making arched tunnels in underground mining of minerals.

SUBSTANCE: machine includes frame whereon an undercarriage and working element drive gearbox are mounted together with a rotary working head being attached to output shafts of said gearbox. The working head consists of borer, pitching borer, cross element, each end of its arms having a loading bucket with a bottom and sidewalls, and conveyer. The front face bottoms of two loading buckets positioned on opposite arms of said cross element are slopped forward with respect to the machine displacement vector, and those of the other buckets - slopped backward with respect to the same vector.

EFFECT: cleaning-up with the full engagement of the bucket cross-section area; reduction of impact loads for the cross element; reduction of heating and increased wear of the bearings in the working head drive gearbox of the machine.

7 dwg

FIELD: mining.

SUBSTANCE: invention refers to mining industry, namely to driving shields, and may be used during building of highway, railway and public tunnels. Operating member of driving shield includes centre rotor working organ in the form of faceplate, working organs with rock-breaking tools on outer surface for creation of oval form of tunnel section, actuating device of working organs and traveling mechanism. In order to create oval form of tunnel section, working organs are designed as two side and two vertical working organs of drum-type. Each side working organ is designed in the form of body of revolution arranged in relation to cross centroidal principal axis of tunnel section, with bow-shaped element corresponding to arch, half of side arches and perimetres of their connection. End surfaces of vertical working organs of drum-type correspond to arch and floor arch of tunnel. Central working organ is installed by means of bearing on axis located in centre of gravity of driving shield, this axis is also operating member guide. At that side working organs and vertical working organs are installed by means of bearings on their axes rigidly cantilever connected to guide. At that each of mentioned working organs is provided with actuating device, and traveling mechanism is designed in the form of hydraulic jacks.

EFFECT: providing of driving of tunnel of optimal oval shape transverse and establishing of conditions for maximum mechanisation and automation of all operating processes during tunnel building.

5 dwg

FIELD: mining.

SUBSTANCE: actuator of a tunnel shield with oval shape comprises a central rotor tool, two horizontal side tools and two vertical drum tools. The actuator is telescopically connected to a shield shell along centres of rotation of side and vertical tools, and also via a square opening in a tight partition along the centre of gravity with oval section and a square guide passing through it.

EFFECT: invention provides for correction of shield shell position and position of tunnel section as direction of tools rotation changes.

5 dwg

FIELD: mining.

SUBSTANCE: device for formation of tunnels contains cutting head provided with electric or hydraulic motor, mechanism for cutting head actuation, hydraulic mechanism connected to cutting head and designed with possibility of pushing of cutting heads towards the end of tunnel during material removal and supporting structure for support of previously formed part of tunnel. Supporting structure is designed so that to provide support on the tunnel surface both during stop and movement along the tunnel. Cutting head is designed with possibility to move independent of supporting structure. Besides the device has a conveyor for transportation of removed material from cutting head to the place distant from the cutting head during formation of part of tunnel. Also the method of tunnel formation using this device is proposed.

EFFECT: reducing time for tunnel driving.

31 cl, 4 dwg

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