Conveyor pan with edge of improved shape

FIELD: mining.

SUBSTANCE: conveyor pan for use with a mining combine with a shoe in the form of sleds when mining in long faces comprises a side element, having a surface for contact with a shoe formed by a part of a side element, stretching horizontally along its entire length. This part has the first end and the second end, every of which has an upper part, a rear part, a front part and an edge. The edge at the first end and the edge at the second end are arranged at the angle of 45 degrees to the vertical plane perpendicular to the horizontal plane formed by the surface of the side element.

EFFECT: improved conveyor pan, delay in combine load transfer from one pan to another and balancing of this load.

14 cl, 6 dwg

 

BACKGROUND of INVENTION

The present invention relates to a node of the conveyor pan for downhole scraper conveyor used for transporting coal in systems development long faces.

There are many different devices for the extraction of coal and other materials from subterranean formations. One such device is a machine for continuous mining, which is used for reservoir development by love or long faces. Depending on the shape of the reservoir, the length of the faces may be 100-400 meters and more. Usually with this method of extraction layer is developed parallel drifts, which are connected with one or several major corridors. This location determines the long faces to be developed. When developing the "front surface" pillar slaughter roofing these corridors typically supported mobile supports.

Usually when modern longwall mines use mining machine, known as downhole Shearer loaders. Shearer loaders usually has a long movable frame mounted on reinforced roof pillars, which are located near the bottom of the underground workings and essentially parallel to it. At each end of the frame brackets are installed on the rotating toothed drum for coal mining in DWI the attachment frame forward and backward prior to slaughter. The extracted coal falls onto the face conveyor, which is usually attached to mounted on floor rails and is parallel to the face. The AFC fetches the material on the other conveyor device for transporting material from the reservoir. As more of the face conveyor and guiding device for moving forward and the harvester continues prey.

Typical AFC contains a variety of conveyor pans, each of which includes a coating made of hardened steel, is attached to a cast steel side support elements or guides. Many of conveyor pans are joined back to back to create a complete conveyor system to move the coal or other mineral from underground stope development.

Side node of the pan also support a system of haulage mining combine. The entire length of the conveyor system passes the scraper chain dened intervals scrapers designed to move coal on the deck. The strength of the scraper AFC and its structural integrity is paramount. For effective underground mining long faces important to prevent breakage of the conveyor and thereby minimize simple.

The environment in the mine extremely unfavorable for all kinds of fur the technical equipment. The very nature of the work consists in cutting and transporting abrasive material. Moreover, the abrasive material liquefies present moisture and contaminated oil. Abrasive mixture istirahat the surface of the conveyor pan, increasing wear. In addition to the abrasive and corrosive effects of the environment, the equipment is subjected to severe mechanical shocks torsion, shear deformation and concentrated stresses due to uneven support surface.

The side elements of the known pan conveyors have rectangular ends with a single bevel or made with the possibility of connection valuables.

The INVENTION

One purpose of the invention is to provide an improved conveyor pan for long faces.

Another objective was. to delay the transmission load of the harvester from one pan to another, and alignment of the load.

The invention provides a delay of the entire load of the harvester 100 to 150 mm from the vulnerable ends of the conveyor pans.

Another aim of the invention is to increase the strength of the ends of the guide Shoe excavation of the harvester by eliminating the weak angles of this guide.

The next aim of the invention is to reduce the level of stress at the ends of the conveyor pan.

Chrome is also the aim of the invention is to increase the operating time of the conveyor pan to fatigue failure.

The aim of the invention is protection of the ends of the side portions of the conveyor pan overload.

Another aim of the invention is to provide a more smooth transition Shoe harvester from one pan to another.

The next target is to reduce compaction of fine fractions of the extracted material between the pans.

The next aim of the invention is to solve the problems associated with disruption of the alignment of the end sections adjacent conveyor pans. According to the invention any violation perfect alignment is easily removed.

Conveyor pan for use with a mining machine having a Shoe in the form of a sled, the development of long faces, according to the invention contains a lateral element having a surface for contact with the Shoe mining combine. This surface is formed by a part of the side element, passing horizontally along its length and having a first end and a second end. Each end has a top, back, front and hem. Edge of the first end and the edge of the second end located at an angle of 20-60 degrees to a vertical plane perpendicular to the horizontal plane formed by the side surface e is ment.

According to the invention also proposed a device for developing long faces containing Shearer loaders with the Shoe in the form of a sled, having a length in the direction of its movement, and a host of conveyor pan containing many are located next to each other conveyor pans made as described above. The upper part of the edge of the first end has two bevels, of which the first longer bevel is at an angle of 5-10 degrees to the horizontal, and the second, shorter bevel on the edge of the part is at an angle of 15-30 degrees to the horizontal. Upper edge of the second end also has two bevels, of which the first, the longer the bevel is at an angle of 5-10 degrees to the horizontal, and the second, shorter bevel on the edge of the part is at an angle of 15-30 degrees to the horizontal. Edge of the first end and the edge of the second end to form a V-shaped recess open at the front end part and a closed rear end parts, and a V-shaped recess is greater than the third length of the Shoe.

BRIEF DESCRIPTION of DRAWINGS

1 schematically shows a perspective view of a conveyor pan according to the invention in disassembled form;

Figure 2 shows a side view of a device for the development of long faces containing Shearer loaders and conveyor node according to the invention;

Figure 3 until the EN more detail in the perspective view of the rear side element of the conveyor pan, shown in figure 2;

Figure 4 shows on an enlarged scale, the left end side of the element shown in figure 3;

Figure 5 shows the end of the side element, is shown in figure 3;

Figure 6 shows a side view of two adjacent side element according to figure 3, made in the form of the slide Shoe excavation of the harvester shown in the form of a circuit on the track side of the element, designed for Shoe.

When considering the detailed description of one of the embodiments of the invention should be borne in mind that the invention is not limited to the design elements and their location specified in the description and represented in the drawings. The invention may have other ways to implement and can be implemented in different ways. Also used in the description of the phraseology and terminology do not limit the scope of the invention. The words "including" and "comprising" and its derivatives include not only after these elements and their equivalents, but also additional elements. The expression "comprising" and its derivatives refer only to those items that are listed after them, and equivalent elements. The words "front", "rear", "left", "right", "upper", "lower", etc. are used in the description with reference to drawings, to make it easier to describe the position of the elements, and also not limiting the Ute of the invention.

DETAILED DESCRIPTION the PREFERRED OPTION of carrying out the INVENTION

Figure 1 presents intended for underground development of long faces node 10 pan conveyor, which is particularly suitable for use in downhole scraper conveyor system for transporting coal or similar material. An elongated deck 11 is used to determine the road R the supply of coal along the longitudinal axis And conveyor systems. Typically, the coal is served along the pan 10 by the scraper chain with separate scrapers 12, one of which is shown by the dashed lines in figure 1.

Along the deck 11 on its opposite sides are two side rails or the two side element 13 and 14 preferably sigmafine section, which further define the track P of the feed material. Signality profile rails is standard to obtain a concave guide wall scrapers 12 of the scraper chain. The top wall are in direct contact with the material, roaming the upper flights of the chains, and the lower concave wall guide and align returning scrapers, but not involved in the transportation of the material. In other embodiments of the invention can be used in other forms.

The deck 11 is connected to the side elements 13, 14 in a known manner, for example, p is the welding protrusions 20, included in the return slot 21 in the elements 13, 14. In other embodiments of the invention the connection of the deck 11 with the side elements 13, 14 can be made otherwise.

Each node 10 of the conveyor pan is one of several modules interconnected dumbbell bars 17, as shown in Fig.6. Centering fingers 15 (see figure 1)acting on one end of each lateral element 13,14, are included in corresponding slots (not shown)made on the opposite end of each side member. Dumbbell strips 17 are inserted into the recesses 16 with maintaining the desired axial clearance to keep the neighboring nodes within the required proximity to each other in the longitudinal direction and to provide the desired depth of insertion of the centering fingers 15 in the appropriate slot.

Figure 2 shows Shearer loaders 110 for the development of long faces. The harvester 110 has an elongated movable frame 112 is made in the form of the slide Shoe 117 is mounted for movement along the track 114, essentially parallel to the face. To each end of the moving frame 112 using the arrow-shaped element 116 is attached to rotate a rotating drums 118, which are many electric cutters 119. The work of excavation harvester 110 are well known and therefore here the detail is not considered. Professionals it is clear that the harvester 110 moves along the track 114 back and forth and electric cutters 119 drums 118 are in contact with the face for cutting of material. As slaughter increases, the track 114 and the harvester 110 move it to continue production. The staff is usually at the end of the harvester 110.

According to figures 1 to 6, the device 30 for the development of long faces contains the node 10 of the conveyor pan and Shearer loaders 110 with the Shoe 117 in the form of a sled, having a length L in the direction of its motion (see Fig.6). The node 10 includes lots located next to each other pans, each of which has a side element 13, the surface 32 (see figure 3) which is intended for contact with the Shoe 117 excavation of the harvester. The surface 32 of the side element is located so that the surface of the adjacent pans form a flat track or guide 114 to the Shoe, by which he can move.

As shown in Fig.3-6, the surface 32 is formed by a flat flange or band part 34 of the side element 13, passing (passing) from the vertical guide wall horizontalline along the entire length of the side element. Each flat part 34 has a first end 36 and second end 38. As shown in Fig.6, the first end 36 of a flat part of one side item is located next to the second con is om 38 flat part of the other side of the element. Each end of the flat part has an upper portion, the rear portion of the guide wall, the front part and an edge extending from the rear part of the vertical guide wall to the front. Edge of the first end and the edge of the second end are located next to each other and form an articulation of the track between two adjacent conveyor pans.

More specifically, the edge of the first end and the edge of the second end to form a V-shaped recess 40, open at the front end of the flat part and closed at the rear end of a flat part. Each edge, forming a V-shaped recess is located at an angle of 20-60 degrees to a vertical plane perpendicular to the horizontal plane of the track. In a preferred embodiment of the invention the V-shaped recess formed by edges arranged at an angle of 45 degrees to the vertical plane 42 (see figure 4), perpendicular to the horizontal plane formed by the surface 32, the guide wall and to the longitudinal axis And conveyor systems. The front part of the V-shaped recesses more than one third of the length L of the Shoe 117.

The upper part of the first edge has two bevels (see figure 4), the first of which, the longer the bevel 46 is located at an angle of 5-10 degrees to the horizontal, and the second, shorter bevel 48 is located at an angle of 15-30 to Gori is antali. The upper part of the second edge has two of the same bevel, passing under the same angles to the horizontal. In a preferred embodiment of the invention first, the longer the bevel 46 of each edge is at an angle of 7.5 degrees to the horizontal, and the second shorter bevel 48 each edge is at an angle of 20 degrees to the horizontal.

The above description of the preferred variant of the invention serves only for illustration and does not limit its scope, within which there are various modifications or changes. Described variant embodiment of the invention is better explains the principles and practical application to the specialist could use the invention to that embodiment or modification, which is more suitable for a particular application. All such modifications and variations are within the scope of the invention defined by its formula. Other features and advantages of the invention will be clear from its formula.

1. Node conveyor pan for use with a mining machine having a Shoe in the form of a sled, the development of long faces, comprising: a lot located next to each other conveyor pans, each of which includes a lateral element having a surface for contact with the specified Shoe button is AK, that the surface of the adjacent pans form the track, which may move the Shoe harvester, and the side surface of the element is formed by a part of the side element, passing horizontally from the vertical guide wall along its length, each part has a first end and a second end, the first end part of one side of the element is located near to the second end part of the other side of the element, each end part has an upper portion, the rear portion of the vertical guide wall, the front part and an edge extending from the rear part of the vertical guide wall to the front edge of the first end is located near the edge of the second end form between a junction of paths between two adjacent pans in the edge of the first end and the edge of the second end to form a V-shaped recess open at the front end part and a closed rear end parts, with V-shaped recess formed by these edges, each of which is located at an angle of 20-60° to the vertical plane passing perpendicular to the horizontal plane formed by the track, and a vertical guide wall.

2. Node conveyor pan according to claim 1, in which the upper edge of the first end has two bevels, of which the first longer RMSE is located at an angle of 5-10° to the horizontal, and the second shorter bevel on the edge of the part is at an angle of 15-30° to the horizontal, and the upper edge of the second end has two bevels, of which the first longer bevel is at an angle of 5-10° to the horizontal, and the second shorter bevel on the edge of the part is at an angle of 15-30° to the horizontal.

3. Node conveyor pan according to claim 2, in which the upper part is on the ground longer the bevel edges of the first and second ends located at an angle of 7.5° to the horizontal.

4. Node conveyor pan according to claim 2, in which the upper part of the second shorter the bevel edges of the first and second ends on the edge of the part is at an angle of 20° to the horizontal.

5. Node conveyor pan according to claim 1, in which the edge of the first end and the edge of the second end located at an angle of 45° to a vertical plane perpendicular to the horizontal plane formed by the path.

6. Conveyor pan for use with a mining machine having a Shoe in the form of a sled, while developing long faces containing side element having a surface for contact with the specified Shoe, and the side surface of the element is formed by a part of the side element, passing horizontally from the vertical guide wall along its length and having a first end and a second end, each end part has ve is hnwu part, the rear part of the vertical guide wall, the front part and an edge extending from the rear part of the vertical guide wall to the front edge of the first end and the edge of the second end are each at an angle of 20-60° to a vertical plane perpendicular to the horizontal plane formed by the side surface of the element, and a vertical guide wall.

7. A conveyor pan according to claim 6, in which the upper edge of the first end has two bevels, of which the first longer bevel is at an angle of 5-10° to the horizontal, and the second shorter bevel on the edge of the part is at an angle of 15-30° to the horizontal, and the upper edge of the second end has two bevels, of which the first longer bevel is at an angle of 5-10° to the horizontal, and the second shorter bevel on the edge of the part is at an angle of 15-30° to the horizontal.

8. A conveyor pan according to claim 7, in which the upper part is on the ground longer the bevel edges of the first and second ends located at an angle of 7.5° to the horizontal.

9. A conveyor pan according to claim 7, in which the upper part of the second shorter the bevel edges of the first and second ends on the edge of the part is at an angle of 20° to the horizontal.

10. A conveyor pan according to claim 6, in which the edge of the first end and the edge of the second end located at an angle of 45° vertikalny plane, perpendicular to the horizontal plane formed by the path.

11. Device for developing long faces containing Shearer loaders with the Shoe in the form of a sled, having a length in the direction of its movement, and a host of conveyor pan, comprising: a lot located next to each other conveyor pans, each of which includes a lateral element having a surface for contact with the specified Shoe located so that the surface of the adjacent pans form the track, which may move the Shoe harvester, and the side surface of the element is formed by a part of the side element, passing horizontally from the vertical guide wall along its length, each part has a first end and a second end, the first the end part of one side of the element is located near to the second end part of the other side of the element, each end part has an upper portion, the rear portion of the vertical guide wall, the front part and the edge, the edge of the first end is located near the edge of the second end and form a joint track between two adjacent pans in the edge of the first end and the edge of the second end to form a V-shaped recess open at the front end part and a closed rear end parts, with V-shaped corner is formed of the specified edges, each of which is located at an angle of 20-60° to the vertical plane passing perpendicular to the horizontal plane formed by the track, and a vertical guide wall, the upper edge of the first end has two bevels, of which the first longer bevel is at an angle of 5-10° to the horizontal, and the second shorter bevel on the edge of the part is at an angle of 15-30° to the horizontal, the upper part of the edge of the second end has two bevels, of which the first longer bevel is at an angle of 5-10° to the horizontal, and the second shorter bevel on the edge of the part is at an angle 15-30° to the horizontal direction, and a V-shaped recess is greater than the third length of the Shoe.

12. The device according to claim 11, in which the upper part is on the ground longer the bevel edges of the first and second ends located at an angle of 7.5°.

13. The device according to claim 11, in which the upper part of the second shorter the bevel edges of the first and second ends on the edge of the part is at an angle of 20°.

14. The device according to claim 11, in which the edge of the first end and the edge of the second end located at an angle of 45° to a vertical plane perpendicular to the horizontal plane formed by the track.



 

Same patents:

Pan section // 2471993

FIELD: mining.

SUBSTANCE: pan section comprises a lower branch and an upper branch to guide master elements of a conveyor chain. Besides, this section comprises a welded frame structure, having two sides, which comprise solid rolled bars. Bars have a permanent shape with a lower shelf and an upper shelf, which stretch at the angle outside in the assembled condition, and a link having a bend for maintenance and welding, at least one intermediate board. A base is provided, connected with the lower shelf of rolled bars for connection of both lower shelves with each other at the distance from the intermediate board. This base has mount components arranged at the ends under lower shelves for facilities of transverse forces transfer.

EFFECT: improved pan for operation in mining combine works.

22 cl, 7 dwg

FIELD: construction.

SUBSTANCE: machine comprises a scraper of box type (1), a scraper hoist (2), head (3) and tail (4) traction ropes, diverting blocks (5) for traction ropes, a loading ramp (6). The scraper comprises side walls (7) and a rear wall (8), in its lower part inclined at the angle to the horizon. On the rear inclined wall of the scraper at the angle (10) of fixation of a tail traction rope to the scraper on brackets (11, 12) fixed on the walls a shaft (14) of cylindrical shape is installed with the possibility of rotation on the horizontal axis (13), and its lower edge is arranged with displacement downwards relatively to the lower edge of the rear wall of the scraper and is distanced from it along the horizontal line towards the tail traction rope. Brackets on the rear wall are fixed with the help of a board (15) with the possibility of its displacement in the vertical plane along the wall and fixation on it with the help of fastening elements (16). The shaft axis is installed in horizontally aligned slots (17) of brackets with the possibility of their displacement and fixation.

EFFECT: decreased energy intensity and wear of a device.

3 dwg

FIELD: mining.

SUBSTANCE: method includes successive delivery of containers for transportation of mined rock to loading area, loading of mined rock into containers using loading device and transportation from drifting face. At that as a container for transportation of mined rock transport box is used, transportation of mentioned loaded containers is performed up in the air by monorail mounted in upper zone of drifting face.

EFFECT: improving efficiency and simplifying due to non-use of expensive equipment thus resulting in productivity gain.

7 cl, 2 ex, 3 dwg

Loading elevator // 2456455

FIELD: machine building.

SUBSTANCE: tow hitch is made in the form of rods, eyelets and two mutually perpendicular axles of different diameters, with a smaller diameter axle that passes through a hole in the large-diameter axle for rotation and is connected through the eyelet with a thrust, and the axle of diameter is inserted with a gap into eyelets of a stretcher section of the loading elevator.

EFFECT: free movement of the machine in three directions with respect to the loading elevator, simplified design, reduction of overall size and weight of the loading elevator.

3 dwg

Apron conveyer // 2425224

FIELD: machine building.

SUBSTANCE: in disclosed here apron conveyer links of planar chains of intermediate drives are arranged opposite to one another along width of draw member. These links are interconnected with "П"-shaped beams, on upper cross bars of which there are secured straps out of elastic material interacting with external surface of a deck of the planar chain. The planar chains of an upper branch of the pull member are arranged in spans between a driven sprocket and tightener; they interact with supports of sliding or with rollers. Also, cases of bearings of the driven sprocket and tightener and the said supports of the intermediate drive are mounted on the frame; the frame is secured to poles of the conveyer and can be set off in vertical plane relative to them. Magnets are secured on brackets of poles of the conveyer in gaps between pull chains of the planar chain and leaf chains of draw member of the intermediate drive with minimal gaps relative to the deck of the planar chain in the span between the driven sprocket and tightener of the intermediate drive.

EFFECT: increased reliability of operation of apron conveyer with extended length.

5 cl, 3 dwg

FIELD: mining.

SUBSTANCE: in complex based on horizontally closed scraper chain a traction element is arranged as double-chain. Scrapers at side external relative to longitudinal axis of conveyor and at the length of contour equal to length L of the conveyor are arranged with stands perpendicularly aligned to scrapers in the form of beams with equal resistance in mutually perpendicular planes. Detachable cutters are fixed on stands, being aligned aside from conveyor longitudinal axis, besides, height of cutter cutting edges and their location along height from upper plane of scrapers are defined based on mathematical ratios. At the same time total height of cutting edges in all cutters is equal to capacity of mineral bed, and location of scrapers with cutters along conveyor length is accepted as stepped with pitch between cutters l=L/n with increasing height of cutters location on scrapers hi to the side opposite to direction of traction element movement. Besides, height b0 of cutting edge in lower cutter is selected on the condition of providing zone cleaning near bed foundation, and height b1 of cutting edge in the first cutter and height h of its location above upper plane of scraper are selected on the condition of providing strength of unit for fixation of stand with cutter to scraper. All scrapers equipped with cutters, at the side opposite to the cutters are equipped with additional vertically aligned stands of the same height, with the possibility of their interaction with vertical boards of panline both at weight-bearing and idle branches. Surfaces of additional stands at the side of panline boards are coated with a layer of antifriction material.

EFFECT: using scraper chain both as transportation device and a mining device.

5 dwg

Apron conveyer // 2411364

FIELD: machine building.

SUBSTANCE: in disclosed here apron conveyer links of leaf chains of intermediate drives are arranged opposite to one another along width of pull member. These links are interconnected with "П"-shaped beams, on upper cross bars of which there are secured straps out of elastic material interacting with external surface of a deck of the leaf chain. The leaf chains of an upper branch of the pull member are arranged in spans between a driven sprocket and tightener; they interact with supports of sliding or with rollers. Also, cases of bearings of the driven sprocket and tightener and the said supports of the intermediate drive are mounted on the frame; the frame is secured to poles of the conveyer and can be set off in vertical plane relative to them.

EFFECT: increased reliability of operation of apron conveyer of extended length.

5 cl, 3 dwg

FIELD: mining.

SUBSTANCE: facility consists of chute and auxiliary belt arranged under load bearing belt; said auxiliary belt has side edges projecting beyond borders of load bearing belt. Side edges of the auxiliary belt rest on horizontal damping rollers-supports at a section of load flow receipt; they rest on tilted re-loading rollers-supports at the section of re-loading. The facility is equipped with a frame with a vibrator; re-loading rollers-supports are rigidly fixed on the frame. By means of flexible elements the frame is installed on poles and can be vertically reinstalled.

EFFECT: reduced length and increased reliability.

2 cl, 4 dwg

FIELD: mining.

SUBSTANCE: invention is related to mining industry, namely to charging devices for belt conveyors, intended for transportation of large-sized materials. Rotary-vane feeder of conveyor comprises drum, which consists of two rims joined to each other by means of radial blades, support rollers and tray, which are installed on frame. Besides support rollers are installed in pairs on balancing levers, which are hingedly joined to frame. Radial blades are equipped with breaking beams, which are arranged over blades and are connected to them by means of elastic elements.

EFFECT: increased reliability and durability due to reduction of contact tensions between rims and rollers and reduction of dynamic impact loads at blades.

3 dwg

FIELD: mining.

SUBSTANCE: invention relates to device and method for travel of mining conveyor section between the first position, co-axial with content of conveyor sections, and the second position of storage, located not endwise the content of conveyor section. Device contains carrier of section and guide, which directs movement of section between the first and the second positions. Additionally device is implemented with ability of connection to manipulation device by composition of conveyor sections so that carrier of section at least partially moves independently of manipulation device. Carrier of section with ability of rotation is connected with guide by means of intermediate pivot pin and allows travel stabiliser. Also it is provided method of travel of mining conveyor section.

EFFECT: effectiveness increase of manipulations by sections of conveyor.

12 cl, 5 dwg

FIELD: mining.

SUBSTANCE: device for determining the cutting line of the extraction system during mining, namely of coal plough system, includes movable conveyor consisting of individual pan elements, each of which has conveyor pan having upper conveyor branch and lower conveyor branch and guide section installed on the front side of mining face, as guide device for extraction machine, and having at least one optic sensor containing sensor head arranged in sensor carrier and capable of being pressed by means of at least one pressure device to boundary surface between coal and bottom to be found. At that, multiple pan elements distributed throughout the length of conveyor are made as sensor pans equipped with protected cavity open to bottom, in which sensor carrier is located or can be located with possibility of its being removed together with sensor head.

EFFECT: reliable detection of boundary surface between coal and bottom with improved operating reliability and minimised susceptibility to wear.

35 cl, 4 dwg

FIELD: mining.

SUBSTANCE: proposed section of tear-off planer comprises guide element arranged on the side of mined-out space from haulage chute and return travel conveyor chute, upper channel for haulage chain and lower channel for haulage chain, and guide slot, open towards breakage face, for engagement of under-conveyor plate of tear-off planer. Note here that said guide element can carry at least one cover element to stop inspection hole for both haulage chain channels that comprises connecting cantilever for hydraulic cylinder to control conveyor unit inclination and receiving bins for heads of boltless joint between conveyor chutes in rigid joints of adjacent sections of tear-off planer guides. Guide element consists of casting incorporating receiving pans, and/or return travel conveyor chute sections on the side of mined-out space, and/or guide for under-conveyor plate of tear-off planer.

EFFECT: longer life, efficient use.

15 cl, 6 dwg

Connecting device // 2391506

FIELD: mining.

SUBSTANCE: connecting device for drawing knife installations with control system for controlling the horizon of the drawing knife cut, namely of coal drawing knife, has a composite connecting cantilever welded to chute section or the guide section of drawing knife installation. Connecting cantilever has the main part which is made as an integral part of hinged seat section for receiving hinged head of hydraulic cylinder for control of transverse inclination of conveyor and which is equipped with fork-shaped cantilever stop made with an offset as to the height relative to hinged seat. Cantilever stop includes two flanges located parallel to each other and internal sides of which are located at the distance opposite each other and equipped with holes for a bolt for receiving a hinged bolt interacting with the head part of cantilever beam. The main part of connecting cantilever consists of cast part; at that, both flanges on their external sides are equipped with support ribs moulded in block and protruding on sides, and/or holes for bolts diverge conically from inner side to outer side for receiving clamping parts interacting with hinged bolt.

EFFECT: simplifying the design of connecting device; operating reliability, possibility of being used in sliding and detachable drawing knives, reduction of wear of holes for hinged bolt.

11 cl, 5 dwg

FIELD: mining, particularly coal plows to be moved by means of hauling chains.

SUBSTANCE: guiding device section comprises two overlapped guiding channels for chain receiving, upper guiding strip and lower guiding beam, as well as lower sliding guide used for plow orientation. The channels are separated one from another with molded spacing slide. Upper guiding channel is closed with front wall including guiding strip and passing into guiding beam. Formed between guiding beam and sliding guider is slot orifice for plow guider hook or plow blade receiving. Created in front wall are receiving cuts to arrange drag-bars for adjacent plow guiding device sections connection. Front wall with guiding strip, guiding beam, as well as receiving cuts and rear wall including sliding guider, are made of integral mold extending along guiding device section.

EFFECT: decreased assemblage costs, reduced number of molds to be manufactured.

10 cl, 5 dwg

FIELD: mining, particularly mining machine, which is directed along guiding member during mining machine operation.

SUBSTANCE: mining machine comprises guiding plate and guiding fork enclosing guiding plate from above. Guiding member is arranged between guiding fork and guiding plate and is detachably connected to guiding fork and slides along guiding plate. Guiding fork has at least support surface adapted to support guiding member in mounting position. The guiding member is fixed in longitudinal guiding plate direction along with guiding fork by means of stop.

EFFECT: reduced time of guiding member replacement.

15 cl, 8 dwg

FIELD: conveyers comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material.

SUBSTANCE: chute section of coal production rig has load-lifting shaft section and reverse stroke shaft section adapted for scraper chain conveyer guider receiving. Chute base is located between the sections. The chute base has fixing means arranged from embedding side and from face side at chute ends to receive connection member of chute sections, which connects adjacent chute sections with each other to provide tensile strength thereof. The chute also has guiding means to guide production machine, which moves along mining face plane, and deflected guiding sheet, which creates loading platform connected with chute section from mining face plane side and extending from bed to load-lifting shaft section. Degree of lower guiding sheet part folding relatively chute base exceeds that of upper guiding sheet part. The guiding sheet is provided with depressions formed at chute section ends. The depression sizes correspond to that of fixing means and/or connection means, which connect chute sections one to another. Lower part of guiding sheet defines bridge at lower edge. The bridge extends to chute section ends.

EFFECT: elimination of face conveyer lifting.

22 cl, 2 dwg

The invention relates to the mining industry, in particular to a device for guiding the mining machine along the scraper conveyor, and can be used when carrying out work on the extraction of minerals

The invention relates to the mining industry, particularly to guides for mining planes

FIELD: mining.

SUBSTANCE: device for determining the cutting line of the extraction system during mining, namely of coal plough system, includes movable conveyor consisting of individual pan elements, each of which has conveyor pan having upper conveyor branch and lower conveyor branch and guide section installed on the front side of mining face, as guide device for extraction machine, and having at least one optic sensor containing sensor head arranged in sensor carrier and capable of being pressed by means of at least one pressure device to boundary surface between coal and bottom to be found. At that, multiple pan elements distributed throughout the length of conveyor are made as sensor pans equipped with protected cavity open to bottom, in which sensor carrier is located or can be located with possibility of its being removed together with sensor head.

EFFECT: reliable detection of boundary surface between coal and bottom with improved operating reliability and minimised susceptibility to wear.

35 cl, 4 dwg

FIELD: mining.

SUBSTANCE: invention relates to mining, particularly, to mining-and-hauling complexes, and can be used in development of sheet deposits. Mining-and-hauling complex comprises horizontally enclosed chain haulage member with rectangular scrapers secured thereto across conveyor flight to make load-carrying run and idle run. Note here that every scraper is arranged on horizontal link of haulage member round-link chain to allow interaction between cylindrical cutouts on scraper with straight section of bar that makes chain link on its half diameter. Scraper is locked by means of detachable half-coupling on outer chain link to allow the scraper to turn about conveyor axis. Pan line, nearby drive and driven sprockets, has curvilinear transition sections with transition from flat horizontal to flat vertical arrangement directly before drive and driven sprockets. Scraper outer edges, on the side of pan line in vertical plane, are curvilinear to interact with curvilinear surfaces of pan line at transition sections. Scrapers, on the side of pan line, have cutouts. Note here that cutout height from chain horizontal link is taken to exceed half the width of the link. Two-chain haulage member is provided with scrapers arranged on outer side of conveyor lengthwise axis. Note that the struts are oriented perpendicular to scrapers and represent equal-resistance beams arranged in mutually perpendicular planes. Detachable tools are directed outward from conveyor lengthwise axis. Top edge of said tools is located at a height from pan line base bottom plane. Arrangement of tools, except for lower tool, and distance between scrapers equipped with tools are defined from mathematical expressions. Note here that stepped arrangement of scrapers features increase in scraper position height toward the side opposite the haulage member motion direction. Note that all scrapers are furnished with tools and provided with additional vertical identical-height struts to interact with vertical sides of pan line on both load-carrying and idle conveyor runs. Surfaces of additional struts on the side of pan line sides are coated by antifriction material layer.

EFFECT: higher efficiency due to increased width of conveyor pan line.

5 dwg

Mining drawknife // 2401946

FIELD: mining.

SUBSTANCE: mining drawknife, namely coal mining drawknife, includes the main part of the drawknife directed on movable conveyor and on the inclined support surface of which there is swing bolt for rotary support of cutter holder for each direction of the drawknife movement, two cutter holders which are installed by means of pivot bearing with possibility of turning on the appropriate swing bolt and have the lower part by means of which the cutter holder is directed on turning surface formed under support surface on the main body of drawknife and oriented concentrically around rotary axis of the appropriate swing bolt. Pivot bearing of cutter holder is made in the form of receiving element opened along the edge, by means of which the cutter holder in mounting turning position has the possibility of being pulled parallel to support surface to swing bolt.

EFFECT: easy installation and removal of cutter holders, decreasing outages of drawknife installations.

15 cl, 7 dwg

Up!