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Geoweb stacker with equipment for geoweb storage and straightening at stacking. RU patent 2505640.

IPC classes for russian patent Geoweb stacker with equipment for geoweb storage and straightening at stacking. RU patent 2505640. (RU 2505640):

E01C21/00 - Apparatus or processes for surface stabilisation for road building or like purposes, e.g. mixing borrowed aggregate with binder (stabilising soil under existing surfacing E01C0023100000; soil-conditioning or soil-stabilising materials C09K0017000000; soil-consolidation in general E02D0003120000)

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FIELD: construction.

SUBSTANCE: improved geoweb stacker is suggested with equipment for geoweb storage and straightening that includes in-frame rotary drum designed for winding, storage and removal of geoweb braid consisting of in series geoweb modules of preset size; the drum is matched to actuator providing regulation of uniform winding and/or removal of geoweb braid along the drum axis, means for geoweb braid movement along the guide from the drum; at least two cross-beams providing geoweb straightening; the cross-beams can be moved apart in order to form a set vale of angle between them; they are connected to lashing facilities designed to hold geoweb edges in process of its straightening between the above cross-beams.

EFFECT: improving stacker.

12 cl, 4 dwg

The invention relates to the construction of using bulk of the geogrid (hereinafter - the geogrid), in particular for the construction of roads, paths for railway transport, take-off saws for the airports, the construction of various facilities, garden construction, strengthening of ravines and slopes.

There is a method and a machine for hardening of the roadway using bulk of the geogrid, see published applications of the Russian Federation №2010153423, №2010153424 for inventions, technical decisions on which are taken as the closest analogue.

Laying the bulk of the geogrid is reduced to the following basic stages:

- site preparation (layout, seal, drainage system etc);

- distribution prepared by the section of the sections of the volume of the geogrid and facultative geotextiles;

- stretch and fixation of the sections of the volume of the geogrid on the given width project for forming the volume of cellular structure;

- fill the cells of the bulk of the geogrid backfill material (sand, crushed stone, gravel, etc) in accordance with the project;

- planning and seal the buried material, the application of surface of asphalt or other surface.

Currently, the fulfillment of a number of technological operations on the laying of the geogrid is a specialized road machine - packer, adapted to the site, such as a highway, airport, railway tracks, etc. Section of the geogrid, caused by the project length is on a special device, stacker, or conjugated platform, and can be drum. Geotextile rolls are also stacker or conjugated platform.

The geogrid is stretched due to exposure to extreme tape geogrid and the geogrid working bodies (for example, plates, boxes, disks, asterisk) appropriate mechanism stacker or manually. Cell padding stretched geogrid backfill material extracted from a bunker located at the stacker, or conjugated platform, occurs almost immediately after their formation at extension that allows the use of temporary anchor racks, retaining geogrid in the extended position, only the initial part of the installation of geomaterials, in fact, until the moment of their filling, and their subsequent removal. Further stretching does not require the use of anchors, as geotextiles and geogrid will be held layer of the buried material.

Application of geotextile optional and is determined by the solved tasks in construction. In case of need (repair of the railroad bed without removing the rail and tie lattice gate) on Stacker installed device for lifting rail and tie lattice gate and feeder geomaterials in space, stretching device-processing, filling, planning and seals covering material contained in the working position in space.

Working bodies of the mechanism of stretching can be in the form of plates, discs, boxes etc., constructively paired with asterisks, or other elements, which while moving geogrid interact with the walls of the geogrid, ensuring a secure fit without any disruption.

The mechanical method of laying of the geogrid is as follows.

Platform stacker is installed on the repaired section of road on which you have already performed the previous installation of geomaterials technological operations on site preparation. The geogrid is removed from the drum to the required length. Extraction is carried out manually or with a manual or electric winches or similar mechanisms. Is a reversal of the geogrid in the transverse plane to the desired angle of installation of the geogrid on edge when pulled. Tractive unit is placed above the geogrid, his boxes are inserted his ribs in the pockets of the section of the geogrid and bred on the angle corresponding to the extension of the geogrid on the desired width.

After filling several rows of cells stretched geogrid she firmly fixed on the subgrade weight of loose material. The process continues until expended all of geomaterials, then dryer and roll change, or, depending on the design of the paver, replenish.

The disadvantage of the nearest analogue is the lack of mechanization of spinning and removal of the geogrid with the drum as well as the process of its unfolding, the complexity of the control of uniformity of winding, removal and extending, and therefore lack of effectiveness of the work on the laying of the geogrid.

The main objective of the proposed technical solution is to eliminate these shortcomings by mechanization winding, extraction and unfolding of the geogrid, and also the improvement of the stacker.

For solution of this problem proposed stacker geogrid, which contains the equipment for storage and extending the geogrid, including rotating frame drum, used for coiling, storage and removal of the scourge of the geogrid, consisting of series-connected individual modules of the geogrid of a given size, coupled with actuator for adjusting uniform winding and/or removal of the scourge of the geogrid along the axis of the drum, means for promotion of the scourge of the geogrid to guide drum, at least two of the bar, providing smoothing the geogrid, made with the possibility of breeding for education of the specified angle between them, paired with means for holding the edges of the geogrid in the process of its unfolding between these traverse.

Actuators it additionally provides the translation of the scourge of the geogrid in position "flat" to ensure its winding on the drum, as well as translation of the scourge of the geogrid in the position "on the edge" when removing the drum to ensure promotion of the scourge of the geogrid on a guide to .

These means for promotion of the scourge of the geogrid contain guides and/or blind rollers and power drive, the speed of which is agreed with the speed of the stacker to ensure uniform promotion scourge of the geogrid. These means for promotion of the scourge of the geogrid can also contain limiters to prevent the release of the geogrid with the guide in the process of work of the stacker.

Proposed equipment for the storage of the geogrid, which contains a rotating frame drum, used to roll him, storage and reading from it scourge of the geogrid, consisting of series-connected individual modules of the geogrid of a given size, coupled with actuator for adjusting uniform winding and/or removal of the scourge of the geogrid along the axis of the drum.

It is preferable that the movement of the drum and an actuator were agreed through an automatic control system. In particular, it is about speed agree engines depending on the parameters of installation.

Also proposed equipment for the unfolding of the geogrid during its installation using stacker, which contains means for promotion of the scourge of the geogrid, consisting of series-connected individual modules of the geogrid of a given size, the guide, at least two of the bar, to ensure the unfolding of the geogrid, made with the possibility of breeding for education of the specified angle between them, paired with means for holding the edges of the geogrid in the process of its unfolding between these traverse.

Preferably, the equipment contained guides and/or blind rollers and power drive, the speed of which is agreed with the speed of the stacker to ensure uniform promotion scourge of the geogrid, and stops to prevent the release of the scourge of the geogrid with the rail.

Volumetric geogrid is made in the form of sections of polymeric tapes by connecting them to each other (for example, cross-linear welds, located in staggered order)for storage representing compact modules, and using in spatial mesh design. Examples of geo-known of the RF patents №№40751, 98763 for useful models.

The mentioned section (modules) of the geogrid have, for the most part, the form of parallelepipeds length of about 6 meters, a height of 0.2 m and width (thickness) of about 0.12 m These dimensions may be changed, however, since the modules are significant weight (about 10 kg per running meter module), then increase the length of the module has significant limitations on the part of the storage, transportation and packing. As a rule, the modules of the geogrid is stored in the stack, and when you use stretched and attached to each other with metal straps mechanical (electro) stapler according to the manufacturing process.

According to the present invention, for storage, transportation and carrying out works on the application of the geogrid is proposed to use not separate modules mentioned above, in the aggregate, United in a common string with specified length, which can be wound on a drum for the filing of the geogrid on the mechanism of its extension (smoothing). The formation of the scourge of the geogrid is affixing of modules of a given length between them (for example, mechanical or electro-mechanical stapler) in the longitudinal direction on the length of due process. Also can be applied to any known way to obtain long geogrid with three-dimensional cellular structure in the expanded state.

Made scourge of the geogrid is placed on the device storage and transportation (drum rack, package, box, Bay etc), transported to the place of execution of works and installed on the media. Next, the string is extended to length through the transport pipeline from the storage device and mentioned in her pockets are inserted ribs device unfolding of the geogrid.

Option device unfolding of the geogrid is a two horizontal beam, for example, box-like design, fitted with ribs to be inserted in the longitudinal pockets of the geogrid. Traverse are located in one plane and have the possibility of rotation in vertical axes, thus providing a breeding traverse angle relative to each other. Breeding traverse can be operated manually or mechanical, electrical, hydraulic, etc. drives. In combination with traverses may apply rollers used to direct the scourge of the geogrid pockets on the ribs and/or to facilitate the pulling of the scourge of the geogrid from the storage device. In the latter case, the rollers have the possibility pressing to passing through them scourge, have increased surface friction capacity and equipped with a power drive, rotation of which agreed with the speed of movement of the carrier.

The following improvements to be immaterial:

- merge modules (sections) of the geogrid in string with specified length to perform work on the laying of the geogrid;

- possibility of winding and storage scourge of the geogrid on the drum;

- presence of longitudinal pockets in the scourge of the geogrid allows you to connect it with stretching device by inserting in pockets designed to traverse edges;

- the spread of the traverse at the corner allows mechanical stretch geogrid on plot technologically conditioned width;

in case, if the end of the extended geogrid will be fixed on the ground anchors, and that the media will continue the movement, the geogrid is to stretch effort media, moving on a conveyor from the storage device, gliding pockets in the ribs in the extended condition for conservation of which on the edges of the extended geogrid need to install anchors, either fall asleep cell stretched geogrid ground;

- conveyor (guide) and installed on the device rollers allow an organization of movement of the scourge of the geogrid stretching, at the same clips in the case of the drive, rotation of which agreed with the speed of the media can contribute to a power extension of the scourge content from the device (storage).

The technical nature of the proposed solution in relation to the mechanized process unfolding of the geogrid is schematically illustrated in the drawings, showing an example of equipment for the unfolding of the geogrid:

Figure 1 - Equipment for the unfolding of the geogrid (top view);

Figure 2 - section A-A full location of the geogrid.

An example of equipment for the unfolding of the geogrid contains two traverses 1 and 2. enshrined with the possibility of rotation about axes 3 and 4 at a given angle, see Fig.1. Traverse provided with ribs, designed for insertion into the pockets of the scourge of the geogrid. In the described case pockets, two on each side of the scourge (top and bottom). The scourge of the geogrid is inserted into the pockets, passing through the rollers, 5 and 7. Roller 5 has the power drive (for example, - or by a hydraulic motor-reducer) 6. Roller 7 can be equipped with device 8. Rollers 5 and 7 have a surface with enhanced frictional properties and supplied with the actuator and device, depending on the conditions of work of the media. Movement of the scourge of the geogrid on smoothing is made by guide - trough conveyor 9, while in dangerous areas, to prevent the release of the scourge in the side provides limiters 10. To consolidate the scourge on the ground are pointed pins - anchors.

Smoothing of the geogrid is as follows.

The proposed solution can provide the arrangement of the site surface by means of mechanized laying and stretching modules geogrid. Thus improves the performance of works on arrangement of the earth for various construction purposes through the replacement of application of separate stretching and splice modules geogrid a large number of workers mechanized stretching pre-generated and installed on the media scourge of the geogrid the required length, for example, through the impact of the edges are on the traverse of stretching device, the walls of the longitudinal inner pockets formed between the extreme and associated ribbons geogrid.

To improve the process of stretching of the geogrid in the transverse direction is possible to install the screw on the opposite wound pen of flexible material.

Improving the quality of transportation through the pipeline of the geogrid is also achieved by application in a design of the device geogrid guides and exhaust rollers with a power drive, the speed of which is agreed with the speed of the media (stacker), affecting the scourge, and also due to the conveyor equipment for the promotion of the scourge with limiters that prevent the release of moving scourge aside.

The quality of the laid and covered with loose structures (for example, sand-gravel mixture) geogrid can be monitored, location-based method.

For storage and carrying out works on the application of the geogrid is proposed to use a set of equipment consisting of a drum, which is hosting the geogrid and devices (actuator) to step through uniform winding and the removal of the orbits of the scourge of the geogrid. The mentioned set is installed on a medium - stacker (railway car, railroad, automobile, trailer etc).

Lash, consisting of interconnected modules geo-located initially in the position «on the edge», on the rotating drum, with a lash, passing through the actuator is translated in the position of the «flat» and in the process of winding, moving along the axis of the drum back and forth under the influence of commercials mobile carriage actuator, implementing uniform putting turns. During the process of taking scourge (loops) movement of the drum and an actuator is in the opposite direction. The speed of roll-out drum is synchronized with the speed of laying geogrid with regard to the number of remaining turns on the drum. Coordination of drum rotation movement of the actuator as well as the rotation described above rollers device geogrid, to avoid unnecessary tension, or loops, is controlled by, for example, an automated system with the use of optical linear and angular encoders.

The following improvements to be immaterial:

- modules of the geogrid are connected to string before laying the geogrid;

- storage of the geogrid on the drum allows to mechanize continuous, unlike , the process of stretching the geogrid on the surface of the site (within the capacity of the drum);

- large capacity of the drum allows to arrange for comparable time much more land (roads, railway embankments etc);

- application of the actuator allows to produce qualitative and controlled process of winding geogrid on the drum, and its removal during the work.

The proposed solution additionally illustrated by drawings: Figure 3 - the Actuators; 4 - Dryer.

The actuator consists of rail 11, in which a chain of 12 of the carriage 13 with two passive (rotating under the influence of passing through them the scourge of the geogrid) rollers 14. Carriage 13 is driven electrically 15. The restriction of movement forward and back regulated by limit switching 16. Drum consists of bobbins 17, rotating frame 18 under the influence of reverse drive 19.

Layout set of patented devices, installed on a stacker, depend on its design and can differ mutual arrangements. Work stacker is as follows.

It is assumed that the scourge of the geogrid formed and folded in the Bay or other technologically sound manner, and described the devices installed on the media. End the scourge of the geogrid is put through the rollers 14 actuator, translated from the «on the edge» in position «flat» and fixed on a cassette 17 drum in the agreed place. Carriage 13 actuator is set to the initial position. Dryer and a carriage driven by the speed of rotation of the reels 17 consistent with the rate of movement of the carriage 13 so wrapped scourge on a bobbin in the position of «flat» was carried out evenly, without overlapping or sliding turns. After winding the bobbin all prepared for this scourge set stops moving parts of it are fixed in transport position, the free end of the scourge is fixed on the frame 18. Media (stacker) is ready to advance on the scope of work.

The proposed set of devices stacker allows to place on the carrier lot of it in the already prepared-to-use form that increases the work of the media before recharge, i.e. increases its productivity, allows to mechanize the process of stretching the geogrid facilitates the technological process of laying the geogrid, allows to reduce the number of support staff.

Thus, the proposed stacker geogrid with the advanced equipment for storage and extending the geogrid has a number of advantages in comparison with the known devices.

1. Stacker geogrid, notable for containing equipment for storage and extending the geogrid, including rotating frame drum, used for coiling, storage and removal of the scourge of the geogrid, consisting of series-connected individual modules of the geogrid of a given size, coupled with the actuator. for adjusting uniform winding and/or removal of the scourge along the axis geogrid drum means for promotion of the scourge of the geogrid to guide drum, at least two of the bar, to ensure the unfolding of the geogrid, made with the possibility of breeding for education of the specified angle between them, paired with means for holding the edges of the geogrid in the process of its unfolding between these traverse.

2. Stacker according to claim 1, characterized in that the actuator additionally provides a translation of the scourge of the geogrid in position "flat" to ensure its winding on a drum.

3. Stacker according to claim 1, characterized in that the actuator additionally provides a translation of the scourge of the geogrid in the position "on the edge" when removing the drum to ensure promotion of the scourge of the geogrid on a guide to .

4. Stacker according to claim 1, characterized in that the means for promotion of the scourge of the geogrid contain guides and/or blind rollers and power drive, the speed of which is agreed with the speed of the stacker to ensure uniform promotion scourge of the geogrid.

5. Stacker according to claim 1, characterized in that the means for promotion of the scourge of the geogrid contain limiters to prevent its release guide.

6. Equipment for storage of the geogrid is different because it contains a rotating frame drum, used to roll him, storage and reading from it scourge of the geogrid, consisting of series-connected individual modules of the geogrid of a given size, coupled with actuator for adjusting uniform winding and/or removal of the scourge of the geogrid along the axis of the drum.

7. Equipment of claim 6, wherein the movement of the drum and an actuator agreed through an automatic control system.

8. Equipment of claim 6, wherein said actuators it additionally provides the translation of the scourge of the geogrid in position "flat" when it on the dryer.

9. Equipment of claim 6, wherein said actuators it additionally provides the translation of the scourge of the geogrid in the position "on the edge" when removing the drum.

10. Equipment for the unfolding of the geogrid during its installation using stacker, wherein contains means for promotion of the scourge of the geogrid, consisting of series-connected individual modules of the geogrid of a given size, the guide, at least two of the bar, to ensure the unfolding of the geogrid, made with the possibility of breeding for education of the specified angle between them, paired with means for holding the edges of the geogrid in the process of its unfolding between these traverse.

11. Equipment to 10 different because it contains guides and/or blind rollers and power drive, the speed of which is agreed with the speed of the stacker to ensure uniform promotion scourge of the geogrid.

12. Equipment to 10 different because it contains limiters to prevent the release of the scourge of the geogrid with the rail.