Secondary conveying belt structure for driving anchor machine

Abstract

The utility model belongs to the technical field of a secondary conveying belt of a driving and bolting machine, in particular to a secondary conveying belt structure for the driving and bolting machine, which comprises two symmetrically distributed rail pieces and a pair wheel assembly arranged on the two rail pieces, the pair wheel assembly comprises two walking wheels in a splayed shape and a connecting shaft connected between the two walking wheels, a carrier roller support assembly is arranged below each connecting shaft and located between the two walking wheels, three carrier rollers connected together in series through universal joints are installed between the carrier roller support assemblies, and Y-shaped clamping auxiliary rods capable of synchronously and relatively moving are arranged between the carrier roller support assemblies and located on the two sides of the three carrier rollers. The inner wall of each Y-shaped clamping auxiliary rod is rotationally provided with a plurality of clamping auxiliary rolling wheels, each clamping auxiliary rolling wheel makes rolling friction contact with the outer wall of the adjacent carrier roller, and one end of each Y-shaped clamping auxiliary rod is provided with an inclination angle adjustable auxiliary rod with the inclination angle capable of being adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of secondary transport belts for anchor diggers, in particular to a secondary transport belt structure for anchor diggers. Background Art

[0002] The secondary belt conveyor is an intermediate belt conveyor that is connected to the tunnel boring machine at one end and mounted on the belt conveyor at the other end. The upper running wheels currently installed on the track surface are in an inward-facing position. When there are stones stuck in the track groove, it is easy to overturn and fall off. At the same time, the rollers are installed on the brackets separately. When the belt is running, it will drive the rollers to support and assist in rotation. However, when the belt carries goods, the rollers are easily offset and tilted under the influence of gravity for a long time. Due to the lack of a centripetal clamping structure for the rollers, it is easy to cause multiple rollers connected together to be misaligned, which is not conducive to the transportation of goods and reduces the efficiency of use.

[0003] After searching, the existing Chinese patent publication number: CN112456007A is a free-turning two-conveyor belt conveyor, including a control component, a head part, a body part, and a tail part connected in sequence; the body part is composed of a plurality of groups of body components connected, wherein two adjacent body components are connected by an upper pivot buckle, a lower pivot buckle and a pin shaft, and can rotate with the pin shaft, a turning telescopic cylinder is arranged on each side of the two adjacent body components, a gathering groove with an opening upward is arranged on the head frame below the upper belt of the head part, and a gathering groove with an opening downward is arranged on the head frame above the lower belt of the head part; a gathering groove with an opening upward is arranged on the head frame below the upper belt of the tail part, and a gathering groove with an opening downward is arranged on the head frame above the lower belt of the head part.

[0004] The cited patent document also has the same problem. When the belt carries goods, the rollers are easily displaced and tilted due to the long-term influence of gravity. Due to the lack of a centripetal clamping structure for the rollers, multiple rollers connected together are easily misaligned, which is not conducive to the transportation of goods and reduces the utilization efficiency. Utility Model Content

[0005] The utility model aims to provide a double-conveying belt structure for an anchor digger to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-conveying belt structure for an anchor mining machine, comprising two symmetrically distributed track members and a pair of wheel assemblies arranged on the two track members, the pair of wheel assemblies comprising two outward-splayed running wheels and a connecting shaft connected between the two running wheels, a roller support assembly is provided below each connecting shaft and between the two running wheels, and three rollers connected in series through universal joints are installed between the roller support assemblies;

[0007] Y-shaped clamping auxiliary rods capable of synchronous relative movement are arranged between the roller support assemblies and on both sides of the three rollers, a plurality of clamping auxiliary rollers are rotatably mounted on the inner wall of each of the Y-shaped clamping auxiliary rods, each of the clamping auxiliary rollers is in rolling friction contact with the outer wall of an adjacent roller, and one end of each of the Y-shaped clamping auxiliary rods is arranged as an inclination-adjustable auxiliary rod capable of adjusting the inclination angle.

[0008] Preferably, the tilt-adjustable auxiliary rod has a rotatable connecting protrusion integrally formed on one end thereof facing the Y-shaped clamping auxiliary rod, and the Y-shaped clamping auxiliary rod has a rotatable travel groove for installing the rotatable connecting protrusion on one end thereof facing the tilt-adjustable auxiliary rod.

[0009] Preferably, the end of the Y-shaped clamping auxiliary rod facing the tilt-adjustable auxiliary rod is semicircular in structure and multiple tilt-angle plug-in holes are evenly spaced on the outer walls of both sides thereof in semicircular tracks;

[0010] The Y-shaped clamping auxiliary rod is connected to the rotatable connecting convex plate by a locking bolt passing through the inclination plug hole, and L-shaped brackets are installed on both sides of the inner walls of the two bracket vertical plates by screws. The L-shaped bracket supports the free end of the inclination adjustable auxiliary rod after the inclination angle is adjusted. The position of the L-shaped bracket is adjusted according to the angle after the inclination angle is adjusted to meet the use of the inclination adjustable auxiliary rod with different inclination angles.

[0011] In this solution, the roller support assembly includes support uprights respectively fixedly mounted on the inner wall of the track member and an arc-shaped inner cover plate integrally formed on the top of the support upright;

[0012] The free ends of the rollers at both ends are connected to adjacent arc-shaped inner cover plates.

[0013] Preferably, support links are welded on both sides between the two bracket vertical plates, a first square plate is welded at the middle position of the bottom surface of each support link, and a second square plate symmetrical to the first square plate is welded at the middle position of the bottom surface of each Y-shaped clamping auxiliary rod.

[0014] Preferably, a positioning cross bar is symmetrically passed through the two second square plates;

[0015] A double-headed screw with threads penetrating through the two second square plates is arranged between the two positioning cross bars.

[0016] Preferably, the two ends of the double-headed screw are provided with thread paths with opposite spiral directions and both ends are connected to the first square plate through bearings;

[0017] One end of the double-headed screw extends to the outside of the adjacent first square plate and is connected to a rotating disk.

[0018] Preferably, the two ends of the two positioning cross bars are respectively fixedly connected to the first square plate;

[0019] The rotating disk is rotated to drive the double-headed screw to rotate, so that the two Y-shaped clamping auxiliary rods move toward the center or away from each other.

[0020] In this solution, preferably, both ends of the coupling close to the traveling wheel are interference-fitted with buffer sleeves, and the buffer sleeve is provided with an annular inner groove on the side facing the traveling wheel;

[0021] A rubber shock-absorbing buffer washer is bonded in the annular inner groove, and one side of the rubber shock-absorbing buffer washer abuts against the inner wall of the running wheel.

[0022] Preferably, in this solution, a textured portion is provided on the peripheral outer wall of the roller, and the textured portion includes straight textures and spiral textures.

[0023] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0024] The anchor miner adopts a double-belt structure, and the travel wheel is installed in an outward-feet-shaped manner. Stones are generally only stuck between the rail groove and the roller, and there will be no stones outside, so the possibility of overturning and wheel falling is greatly reduced. Compared with the traditional inner-feet-shaped travel wheel, the present invention adopts an outward-feet-shaped design, which enhances the adaptability of the travel wheel to foreign objects in the rail groove, effectively avoids the overturning or wheel falling caused by obstacles such as stone sticks, and improves the stability and safety of the travel wheel operation;

[0025] The Y-shaped clamping auxiliary rod and its internal clamping auxiliary roller design can continuously clamp the roller centripetally during the operation of the belt, effectively preventing the roller from shifting under the action of gravity, ensuring that the roller is always in the correct working position, and improving the stability and efficiency of the belt conveyor. By adjusting the angle of the inclination-adjustable auxiliary rod, the clamping force of the clamping auxiliary roller on the roller can be flexibly adjusted according to the actual working conditions to meet the stability requirements of the roller under different load conditions;

[0026] The Y-type clamping auxiliary rod and the clamping auxiliary roller work together to dynamically clamp the roller, which helps to maintain the straightness of the belt during operation and reduce edge wear and uneven tension caused by belt deviation. This optimization of the belt running track improves the response speed and accuracy of the belt tracking system and reduces the dependence on special correction devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is a schematic diagram of the utility model;

[0029] Figure 2 This is a schematic diagram of the structure of the travel wheel of the utility model;

[0030] Figure 3 It is a schematic diagram of the disassembled structure of the buffer sleeve and the rubber shock-absorbing buffer washer of the utility model;

[0031] Figure 4 It is a schematic structural diagram of the connection state of the Y-type clamping auxiliary rod and the roller of the utility model.

[0032] Figure 5 This is a schematic diagram of the connection state structure of two Y-shaped clamping auxiliary rods of the utility model;

[0033] Figure 6 For this utility model Figure 5 A schematic diagram of the enlarged structure at A in the middle;

[0034] Figure 7 It is a schematic diagram of the flat fingerprint and spiral pattern of the utility model.

[0035] Description of reference numerals:

[0036] In the figure: 1. track member; 2. walking wheel; 3. roller; 4. roller bracket assembly; 5. coupling shaft; 6. inner concave portion; 7. buffer sleeve; 8. annular inner groove; 9. rubber shock-absorbing buffer gasket; 10. bracket vertical plate; 11. arc-shaped inner cover plate; 12. supporting connecting rod; 13. first square plate; 14. universal joint; 15. Y-type clamping auxiliary rod; 16. adjustable auxiliary rod; 17. connecting ear plate; 18. clamping auxiliary roller; 19. L-type bracket; 20. second square plate; 21. positioning cross bar; 22. double-headed screw; 23. threaded tooth path; 24. turntable; 25. bearing; 26. rotatable connecting convex plate; 27. rotating stroke groove; 28. inclination plug hole; 29. ​​locking bolt; 30. belt; 31. straight grain; 32. spiral grain. DETAILED DESCRIPTION

[0037] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0038] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0039] This embodiment discloses Figures 1 to 7 The double-conveyor belt structure for an anchor mining machine shown in the figure comprises two symmetrically distributed track members 1 and a pair of wheel assemblies arranged on the two track members 1, the pair of wheel assemblies comprising two traveling wheels 2 in an outward-facing "X" shape and a connecting shaft 5 connected between the two traveling wheels 2, the outer wall of the traveling wheel 2 has an inner recess 6 that fits on the track member 1, the traveling wheel 2 is installed in an outward-facing "X" shape, stones generally only get stuck between the track groove and the roller 3, and there will be no stones outside, thereby greatly reducing the possibility of rollover and wheel falling off, and compared with the traditional inward-facing "X" shaped traveling wheel, the present invention adopts an outward-facing "X" shaped design, which enhances the adaptability of the traveling wheel to foreign objects in the track groove, effectively avoids the rollover or wheel falling off caused by obstacles such as stone sticks, and improves the stability and safety of the traveling wheel operation.

[0040] In this embodiment, a roller support assembly 4 is provided below each connecting shaft 5 and between the two walking wheels 2. Three rollers 3 connected in series through a universal joint 14 are installed between the roller support assemblies 4. The universal joint 14 is flexible. When the support is tilted (it is usually installed tilted at a bend in the belt conveyor), a concave portion is naturally generated through the catenary effect, which is used to better hold the material on the belt and keep the center of gravity on the belt 30. The design of the universal joint 14 allows a certain amount of free space between adjacent rollers 3, which can not only adapt to changes in belt tension, but also ensure that the relative positions of the rollers remain stable, thereby preventing the roller 3 from being misaligned due to uneven tension of the belt 30.

[0041] In this embodiment, a Y-shaped clamping auxiliary rod 15 capable of synchronous relative movement is provided between the roller support assembly 4 and on both sides of the three rollers 3. The inner wall of each Y-shaped clamping auxiliary rod 15 is symmetrically welded with multiple groups of connecting ear plates 17 that are opposite to each other. A clamping auxiliary roller 18 is rotatably installed between two adjacent connecting ear plates 17. Each clamping auxiliary roller 18 is in rolling friction contact with the outer wall of the adjacent roller 3. One end of each Y-shaped clamping auxiliary rod 15 is set as an inclination adjustable auxiliary rod capable of adjusting the inclination angle. 16. The design of the Y-shaped clamping auxiliary rod 15 and the clamping auxiliary roller 18 inside it can continuously clamp the roller 3 centripetally during the operation of the belt 30, effectively preventing the roller 3 from shifting in position under the action of gravity, ensuring that the roller 3 is always in the correct working position, and improving the stability and efficiency of the belt 30 conveying. By adjusting the angle of the inclination-adjustable auxiliary rod 16, the clamping force of the clamping auxiliary roller 18 on the roller 3 can be flexibly adjusted according to actual working conditions to meet the stability requirements of the roller 3 under different load conditions.

[0042] In this embodiment, a rotatable connecting protrusion 26 is integrally formed at one end of the inclination-adjustable auxiliary rod 16 facing the Y-shaped clamping auxiliary rod 15, and a rotating stroke groove 27 for installing the rotatable connecting protrusion 26 is provided at one end of the Y-shaped clamping auxiliary rod 15 facing the inclination-adjustable auxiliary rod 16. The Y-shaped clamping auxiliary rod 15 has a semicircular structure at one end facing the inclination-adjustable auxiliary rod 16 and has a plurality of inclination plug-in holes 28 equidistantly provided on the outer walls on both sides thereof in the form of semicircular trajectories. The Y-shaped clamping auxiliary rod 15 is connected to the rotatable connecting protrusion 26 through locking bolts 29 passing through the inclination plug-in holes 28. L-shaped brackets 19 are installed on both sides of the inner walls of the two bracket vertical plates 10 by screws. The L-shaped brackets 19 support the free end of the inclination-adjustable auxiliary rod 16 after the inclination is adjusted, and the position of the L-shaped bracket 19 is adjusted according to the angle after the inclination is adjusted, so as to meet the use of the inclination-adjustable auxiliary rod 16 with different inclination angles.

[0043] In this embodiment, this rotatable connection design enables the inclination-adjustable auxiliary rod 16 to flexibly adjust the angle and maintain effective connection with the Y-shaped clamping auxiliary rod 15, thereby realizing precise control of the clamping force of the clamping auxiliary roller 18 on the roller 3. By selecting different inclination plug holes 28, the inclination of the inclination-adjustable auxiliary rod 16 can be quickly and conveniently adjusted to realize the rapid adjustment of the clamping force of the clamping auxiliary roller 18 and the clamping use when the adjacent roller 3 is adjusted to the tilt.

[0044] In this embodiment, the roller support assembly 4 includes a support vertical plate 10 respectively fixedly mounted on the inner wall of the track member 1 and an arc-shaped inner cover plate 11 integrally formed at the top of the support vertical plate 10. The free ends of the rollers 3 at both ends are connected to the adjacent arc-shaped inner cover plates 11. This structural design enhances the connection stability between the rollers 3 and the support vertical plate 10, and at the same time, the arc-shaped inner cover plate 11 is used to wrap the two ends of the rollers 3, further preventing the rollers 3 from deflecting under heavy load.

[0045] In this embodiment, support links 12 are welded on both sides between the two bracket uprights 10, and a first square plate 13 is welded to the middle position of the bottom surface of each support link 12, and a second square plate 20 symmetrical to the first square plate 13 is welded to the middle position of the bottom surface of each Y-shaped clamping auxiliary rod 15, and a positioning cross bar 21 is symmetrically passed through the two second square plates 20, and a double-headed screw 22 with threads passing through the two second square plates 20 is arranged between the two positioning cross bars 21, and both ends of the double-headed screw 22 are arranged with threaded teeth 23 with opposite spiral directions and both ends are connected to the first square plate 13 through bearings 25, one end of the double-headed screw 22 extends to the outside of the adjacent first square plate 13 and is connected to a turntable 24, and the two ends of the two positioning cross bars 21 are respectively fixedly connected to the first square plate 13, and the rotating turntable 24 drives the double-headed screw 22 to rotate, so that the two Y-shaped clamping auxiliary rods 15 move centripetally or oppositely.

[0046] In this embodiment, this design realizes the precise adjustment and locking of the position of the Y-type clamping auxiliary rod 15. By rotating the double-headed screw 22, the Y-type clamping auxiliary rod 15 slides along the positioning cross bar 21 and reaches the desired clamping position, thereby adapting to belts 30 of different widths or adjusting the clamping pressure. When the turntable 24 is rotated, the double-headed screw 22 will drive the two Y-type clamping auxiliary rods 15 to move synchronously toward or away from each other, thereby realizing synchronous clamping or release of the roller 3. The operation is simple and quick. The use of the bearing 25 reduces the rotation resistance and ensures the smoothness of the adjustment process.

[0047] In this embodiment, the Y-shaped clamping auxiliary rod 15 and the clamping auxiliary roller 18 work together to dynamically clamp the roller 3, which helps to maintain the straightness of the belt 30 during operation and reduce edge wear and uneven tension caused by deviation of the belt 30. This optimization of the running track of the belt 30 improves the response speed and accuracy of the belt 30 tracking system and reduces the reliance on special deviation correction devices.

[0048] In the present embodiment, since the clamping auxiliary roller 18 is in rolling contact with the outer wall of the roller 3 rather than being directly rigidly clamped, this flexible contact mode helps to disperse local stress while transmitting supporting force, thereby avoiding local stress concentration on the roller 3 or belt 30 due to excessive clamping, thereby extending the service life of the belt 30 and the roller 3.

[0049] In the present embodiment, both ends of the connecting shaft 5 close to the traveling wheel 2 are interference fit with a buffer sleeve 7, the buffer sleeve 7 is provided with an annular inner groove 8 on the side facing the traveling wheel 2, a rubber shock-absorbing buffer washer 9 is bonded in the annular inner groove 8, and one side of the rubber shock-absorbing buffer washer 9 abuts against the inner wall of the traveling wheel 2.

[0050] In this embodiment, this design effectively absorbs the impact and vibration generated by the running wheel 2 during operation through the cooperation of the buffer sleeve 7 and the rubber shock-absorbing buffer gasket 9, protects the running wheel 2 and the connecting shaft 5 from excessive wear, extends the service life, and at the same time reduces the equipment operation noise and improves the overall operation stability.

[0051] In this embodiment, Figure 7 As shown, the outer wall of the circumference of the roller 3 is provided with a textured portion, and the textured portion includes straight textures 31 and spiral textures 32. In the normal section without inclination, the textures of all rollers 3 are straight, which guides the belt 30 on the rollers and prevents the belt 30 from running to the sides. In the inclined section, at least on the middle section of the roller 3, a left-handed or right-handed thread is provided. The thread rotation direction is specifically as follows: the inclined roller 3 has a higher side and the other side is a lower side. The contact point between the roller 3 and the belt 30 is taken as the contact point, and the thread that is about to run to the contact point is on the higher side, which is the high position of the spiral line; the thread that leaves the contact point is on the lower side, which is the low position of the spiral line. In this way, the thread friction belt 30 moves upward to prevent the lower side of the belt 30 from running away.

[0052] How it works

[0053] The anchor miner uses a two-belt structure, with the outer eight-shaped running wheel 2 mounted on the track member 1. By rotating the double-headed screw 22, the Y-type clamping auxiliary rod 15 can slide along the positioning cross bar 21 and reach the required clamping position, thereby adapting to belts 30 of different widths or adjusting the clamping pressure. When the turntable 24 is rotated, the double-headed screw 22 will drive the two Y-type clamping auxiliary rods 15 to move synchronously toward or away from each other, so as to achieve synchronous clamping or release of the roller 3. After all installation and adjustment are completed, the anchor miner is started, and the two-belt starts to run. The Y-type clamping auxiliary rod 15 and the clamping auxiliary roller 18 continue to clamp the roller 3 toward the center. By selecting different inclination plug-in holes 28, the inclination of the inclination-adjustable auxiliary rod 16 can be quickly and conveniently adjusted, so as to achieve rapid adjustment of the clamping force of the clamping auxiliary roller 18 and adapt to the clamping use when the adjacent roller 3 is tilted and adjusted.

[0054] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-conveyor belt structure for an anchor miner, comprising two symmetrically distributed track members (1) and a pair of wheel assemblies arranged on the two track members (1), characterized in that: The pair of wheel assemblies comprises two traveling wheels (2) in an outward-facing eight-shaped configuration and a connecting shaft (5) connected between the two traveling wheels (2); a roller support assembly (4) is provided below each connecting shaft (5) and between the two traveling wheels (2); three rollers (3) connected in series via a universal joint (14) are installed between the roller support assemblies (4); Y-shaped auxiliary clamping rods (15) capable of synchronous relative movement are arranged between the roller support assemblies (4) and on both sides of the three rollers (3); a plurality of auxiliary clamping rollers (18) are rotatably mounted on the inner wall of each of the Y-shaped auxiliary clamping rods (15); each of the auxiliary clamping rollers (18) is in rolling friction contact with the outer wall of the adjacent roller (3); and one end of each of the Y-shaped auxiliary clamping rods (15) is arranged as an inclination-adjustable auxiliary rod (16) capable of adjusting the inclination angle.

2. The double-conveyor belt structure for anchor miner according to claim 1, characterized in that: A rotatable connecting convex plate (26) is integrally formed on one end of the inclination-adjustable auxiliary rod (16) facing the Y-shaped clamping auxiliary rod (15), and a rotation travel groove (27) for mounting the rotatable connecting convex plate (26) is provided on one end of the Y-shaped clamping auxiliary rod (15) facing the inclination-adjustable auxiliary rod (16).

3. The double-conveyor belt structure for anchor miner according to claim 2, characterized in that: The end of the Y-shaped clamping auxiliary rod (15) facing the tilt-angle adjustable auxiliary rod (16) is in a semicircular structure and multiple tilt-angle plug-in holes (28) are equidistantly provided on the outer walls of both sides thereof in semicircular tracks; The Y-shaped clamping auxiliary rod (15) is connected to the rotatable connecting convex plate (26) through a locking bolt (29) passing through the inclination plug hole (28).

4. The double-conveyor belt structure for anchor miner according to claim 3, characterized in that: The roller support assembly (4) comprises support upright plates (10) respectively fixedly mounted on the inner wall of the track member (1) and an arc-shaped inner cover plate (11) integrally formed at the top end of the support upright plates (10); The free ends of the rollers (3) at both ends are connected to adjacent arc-shaped inner cover plates (11).

5. The double-conveyor belt structure for anchor miner according to claim 4, characterized in that: Support connecting rods (12) are welded on both sides between the two bracket uprights (10), a first square plate (13) is welded at the middle position of the bottom surface of each support connecting rod (12), and a second square plate (20) symmetrical to the first square plate (13) is welded at the middle position of the bottom surface of each Y-shaped clamping auxiliary rod (15).

6. The double-conveyor belt structure for anchor miner according to claim 5, characterized in that: A positioning cross bar (21) is symmetrically passed through the two second square plates (20); A double-headed screw (22) with threads penetrating through the two second square plates (20) is arranged between the two positioning cross bars (21).

7. The double-conveyor belt structure for anchor miner according to claim 6, characterized in that: Both ends of the double-headed screw (22) are provided with thread paths (23) with opposite spiral directions and both ends are connected to the first square plate (13) via bearings (25); One end of the double-headed screw (22) extends to the outside of the adjacent first square plate (13) and is connected to a rotating disk (24).

8. The double-conveyor belt structure for anchor miner according to claim 7, characterized in that: The two ends of the two positioning cross bars (21) are respectively fixedly connected to the first square plate (13); The rotating disk (24) is rotated to drive the double-headed screw (22) to rotate, so that the two Y-shaped clamping auxiliary rods (15) move toward the center or away from each other.

9. The double-conveyor belt structure for anchor miner according to claim 1, characterized in that: Both ends of the coupling shaft (5) close to the running wheel (2) are interference-fitted with buffer sleeves (7), and the buffer sleeve (7) is provided with an annular inner groove (8) on the side facing the running wheel (2); A rubber shock-absorbing buffer washer (9) is bonded in the annular inner groove (8), and one side of the rubber shock-absorbing buffer washer (9) abuts against the inner wall of the running wheel (2).

10. The double-conveyor belt structure for anchor miner according to claim 1, characterized in that: The outer wall of the supporting roller (3) is provided with a textured portion; The textured portion comprises straight textures (31) and spiral textures (32).

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