A single-track crane rail auxiliary centering and derailment prevention device for coal mines

Abstract

The present invention relates to the field of single-rail hoists in coal mines, and particularly to an auxiliary centering and derailment prevention device for the tracks of single-rail hoists in coal mines. The present invention provides an auxiliary centering and derailment prevention device for the tracks of single-rail hoists in coal mines, which can center a single-rail mine car and prevent the single-rail mine car from derailing when turning at the track, thus affecting the normal operation of the single-rail mine car. An auxiliary centering and derailment prevention device for the tracks of single-rail hoists in coal mines includes a connecting frame, a connecting rod, etc. A connecting rod is connected to the left side of the connecting frame. In the present invention, by rotating the rotating frame on the fixed plate outwards, the first torsion spring deforms. Then, the next connecting frame is installed in the track. After that, the rotating frame is released, and the first torsion spring recovers, causing the rotating frames to approach each other, driving the clamping frames to approach each other, and enabling the clamping frames to clamp the next connecting frame, achieving the effect of being able to center a single-rail mine car and prevent the single-rail mine car from derailing when turning at the track, thus affecting the normal operation of the single-rail mine car.

Description

Technical Field

[0001] The present invention relates to the field of single-track hoists in coal mines, and particularly to an auxiliary centering and derailment prevention device for the track of a single-track hoist in a coal mine. Background Art

[0002] The single-track mine car in a coal mine is a transportation device specially designed for underground transportation in coal mines, mainly used for transporting coal, ore, materials, and personnel. Due to its compact structure, simple operation, small occupied space and other characteristics, the single-track mine car has been widely used in underground coal mine transportation. However, when the single-track mine car moves on the track, each part is only rotationally connected by a connecting rod, and the connecting rod cannot keep each part of the single-track mine car in alignment. When the single-track mine car reaches a track turning point, some parts may tilt outwards and cause derailment, which in turn affects the normal operation of the single-track mine car, and is rather inconvenient.

[0003] Therefore, an auxiliary centering and derailment prevention device for the track of a single-track hoist in a coal mine has now been developed, which can center the single-track mine car and prevent derailment when the single-track mine car turns at the track, thus avoiding affecting the normal operation of the single-track mine car. Summary of the Invention

[0004] In order to overcome the disadvantages that when the single-track mine car moves on the track, each part is only rotationally connected by a connecting rod, and the connecting rod cannot keep each part of the single-track mine car in alignment. When the single-track mine car reaches a track turning point, some parts may tilt outwards and cause derailment, which in turn affects the normal operation of the single-track mine car and is rather inconvenient, the present invention provides an auxiliary centering and derailment prevention device for the track of a single-track hoist in a coal mine, which can center the single-track mine car and prevent derailment when the single-track mine car turns at the track, thus avoiding affecting the normal operation of the single-track mine car.

[0005] The technical solution is as follows: An auxiliary centering and derailment prevention device for the track of a single-track hoist in a coal mine includes a connecting frame, a connecting rod, a first roller, a first sliding frame, and a fixing mechanism. The left side of the connecting frame is connected with the connecting rod. A plurality of first rollers are rotatably connected to the lower part of the connecting frame. Two first sliding frames are connected to the upper side of the left part of the connecting frame. The connecting frame is provided with a fixing mechanism capable of performing centering and limiting.

[0006] Optionally, a plurality of balls are rotatably provided on each of the first sliding frames.

[0007] Optionally, a fixing mechanism is further included. The fixing mechanism includes a fixing plate, a rotating frame, a first torsion spring, and a clamping frame. Fixing plates are connected to the front and rear sides of the right part of the connecting frame. Rotating frames are rotatably connected to the fixing plates. Two upper and lower first torsion springs are connected between the rotating frames and the corresponding fixing plates. Clamping frames are connected to the right sides of the rotating frames. When the rotating frames on the fixing plates are rotated outwards, the first torsion springs are deformed. Then, the next connecting frame is installed in the track. After that, the rotating frames are released, and the first torsion springs recover, causing the rotating frames to approach each other, driving the clamping frames to approach each other, so that the clamping frames clamp the next connecting frame. When the single-rail mine car moves to the turning point of the track, the clamping frames limit the next connecting frame to prevent the connecting frame from tilting outwards and derailing.

[0008] Optionally, anti-slip pads are provided on the clamping frames.

[0009] Optionally, a guiding mechanism is further included. The guiding mechanism includes a fixed bracket, a fixed frame, a gear, a second torsion spring, a first connecting tooth plate, a moving roller, a second connecting tooth plate, a first spring, a guiding moving frame, and a rack. Two front and rear fixed brackets are connected to the upper side of the middle part of the connecting frame. Fixed frames are connected to the upper sides of the fixed brackets. Gears are rotatably connected to the upper and lower parts of the fixed frames. Second torsion springs are connected between the gears and the corresponding fixed frames. First connecting tooth plates are connected to the inner sides of the gears. Moving rollers are rotatably connected to the middle parts of the fixed frames. Second connecting tooth plates are slidably connected to the upper and lower sides of the moving rollers. A plurality of first springs are connected between the second connecting tooth plates and the corresponding moving rollers. The second connecting tooth plates are meshed with the adjacent first connecting tooth plates. Guiding moving frames are slidably connected to the mutually remote sides of the lower parts of the fixed brackets. Racks are connected to the upper and lower parts of the guiding moving frames. The racks are meshed with the adjacent gears. When the connecting frame moves, the moving rollers rotate, driving the second connecting tooth plates to rotate. Due to the action of the first springs, the second connecting tooth plates are kept meshed with the first connecting tooth plates, thereby driving the first connecting tooth plates to rotate, causing the gears to rotate, and the second torsion springs are deformed. While the gears rotate, they engage with the racks to move, driving the guiding moving frames to move, so that the guiding moving frames move to the outside of the rotating frames to the right.

[0010] Optionally, a positioning mechanism is further included. The positioning mechanism includes a connecting column, an inclined plate, a second sliding frame, and a connecting support plate. Connecting columns are connected to the left sides of the lower parts of the rotating frames. Inclined plates are connected to the lower parts of the connecting columns. Second sliding frames are slidably connected to the front and rear sides of the lower part of the connecting frame. The second sliding frames are slidably matched with the adjacent inclined plates. Connecting support plates are connected to the second sliding frames. The upper parts of the connecting support plates are connected to the adjacent guiding moving frames. When the guiding moving frames move to the right, they drive the second sliding frames to move to the right along the inclined plates, causing the second sliding frames to squeeze the connecting columns to move inwards, and further squeezing the rotating frames to move inwards.

[0011] Optionally, it further includes a limiting mechanism, which includes a lead screw and a moving block. On the mutually remote sides of the left part of the rotating frame, lead screws are rotatably connected. Moving blocks are threadedly connected to the lead screws. The moving blocks are slidably connected to the adjacent rotating frames. The moving blocks are all located inside the adjacent guiding and moving frames. Rotate the lead screws to make the moving blocks move, adjust the moving blocks to appropriate positions, so that when the guiding and moving frames move to the right, they squeeze the moving blocks.

[0012] Optionally, it further includes a handle, and handles are connected to the right sides of the lead screws.

[0013] Optionally, it further includes an auxiliary mechanism, which includes a guiding plate, a second roller and a second spring. Two front and rear guiding plates are slidably connected to the right part of the connecting frame. Second rollers are rotatably connected to the left and right parts of the guiding plates. Second springs are connected between the guiding plates and the connecting frame. Due to the acting force of the second springs, the second rollers on the guiding plates are tightly attached to the track. When the connecting frame moves, the second rollers rotate.

[0014] Optionally, it further includes an extension mechanism, which includes a connecting plate, a clamping plate and a third torsion spring. Connecting plates are connected to the right sides of the clamping frames. Clamping plates are rotatably connected to the right sides of the connecting plates. Third torsion springs are connected between the upper and lower parts of the clamping plates and the connected connecting plates. Rotate the clamping plates on the connecting plates, and the third torsion springs are deformed. After the connecting frame is installed, release the clamping plates, and the third torsion springs recover, so that the clamping plates approach each other to clamp the connecting frame.

[0015] The beneficial effects of the present invention are as follows: 1. By rotating the rotating frame on the fixed plate outwards, the first torsion spring is deformed. Then, install the next connecting frame in the track. After that, release the rotating frame, and the first torsion spring recovers, making the rotating frames approach each other, driving the clamping frames to approach each other, so that the clamping frames clamp the next connecting frame, achieving the effect of being able to center the single-rail mine car and avoiding derailment of the single-rail mine car when turning at the track, thus affecting the normal operation of the single-rail mine car.

[0016] 2. When the connecting frame moves, the moving rollers rotate, driving the second connecting tooth plate to rotate. Due to the acting force of the first spring, the second connecting tooth plate is kept meshed with the first connecting tooth plate, thereby driving the first connecting tooth plate to rotate, making the gear rotate, and the second torsion spring is deformed. While the gear rotates, it meshes with the rack to move, driving the guiding and moving frame to move, so that the guiding and moving frame moves to the outside of the rotating frame to the right, achieving the effect of being able to limit the rotating frame and avoiding the rotating frame rotating outwards and disengaging from the connecting frame.

[0017] 3. When the guiding and moving frame moves to the right, it drives the second sliding frame to move to the right along the inclined plate, so that the second sliding frame squeezes the connecting column to move inwards, and further squeezes the rotating frame to move inwards, achieving the effect of being able to further position the rotating frame and strengthening the stability of the rotating frame.

[0018] 4. By rotating the handle, the lead screw is driven to rotate, causing the moving block to move. The moving block is adjusted to a suitable position so that when the guiding moving frame moves to the right, it squeezes the moving block, achieving the effect of enabling the connecting frame to move more smoothly on the track.

[0019] 5. By rotating the clamping plate on the connecting plate, the third torsion spring deforms. After the connecting frame is installed, the clamping plate is released, and the third torsion spring recovers, causing the clamping plates to approach each other and clamp the connecting frame, achieving the effect of enhancing the clamping stability of the rotating frame on the connecting frame and preventing the connecting frame from derailing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a three-dimensional structural schematic diagram of the present invention.

[0021] Figure 2 is a partial three-dimensional structural schematic diagram of the present invention.

[0022] Figure 3 is a three-dimensional structural schematic diagram of the fixing mechanism of the present invention.

[0023] Figure 4 is a three-dimensional structural schematic diagram of the fixing mechanism of the present invention.

[0024] Figure 5 is a three-dimensional structural schematic diagram of the guiding mechanism of the present invention.

[0025] Figure 6 is a sectional three-dimensional structural schematic diagram of the guiding mechanism of the present invention.

[0026] Figure 7 is a three-dimensional structural schematic diagram of the card-positioning mechanism of the present invention.

[0027] Figure 8 is a three-dimensional structural schematic diagram of the card-positioning mechanism of the present invention.

[0028] Figure 9 is a three-dimensional structural schematic diagram of the card-positioning mechanism of the present invention.

[0029] Figure 10 is a three-dimensional structural schematic diagram of the limiting mechanism of the present invention.

[0030] Figure 11 is a three-dimensional structural schematic diagram of the limiting mechanism of the present invention.

[0031] Figure 12 is a three-dimensional structural schematic diagram of the auxiliary mechanism and the extension mechanism of the present invention.

[0032] Marks in the attached drawings: 1: connecting frame, 2: connecting rod, 3: first roller, 4: first sliding frame, 5: fixing mechanism, 50: fixing plate, 51: rotating frame, 52: first torsion spring, 53: clamping frame, 6: guiding mechanism, 60: fixing bracket, 61: fixing frame, 62: gear, 63: second torsion spring, 64: first connecting tooth plate, 65: moving roller, 66: second connecting tooth plate, 67: first spring, 68: guiding moving frame, 69: rack, 7: positioning mechanism, 70: connecting column, 71: inclined plate, 72: second sliding frame, 73: connecting support plate, 8: limiting mechanism, 80: handle, 81: lead screw, 82: moving block, 9: auxiliary mechanism, 90: guiding plate, 91: second roller, 92: second spring, 10: extending mechanism, 100: connecting plate, 101: clamping plate, 102: third torsion spring. Detailed implementation manners

[0033] The implementation manners of the present invention will be described below with reference to the attached drawings.

[0034] A single-track crane rail auxiliary centering and anti-derailment device for coal mines, as Figure 1 and Figure 2 shown, includes a connecting frame 1, a connecting rod 2, a first roller 3, a first sliding frame 4 and a fixing mechanism 5. A connecting rod 2 is connected to the left side of the connecting frame 1. Eight first rollers 3 are rotatably connected to the lower part of the connecting frame 1. Two first sliding frames 4 are connected to the upper side of the left part of the connecting frame 1. Six balls are rotatably provided on each of the first sliding frames 4, which is convenient for moving on the rail. A fixing mechanism 5 is provided on the connecting frame 1.

[0035] As Figure 1 , Figure 3 and Figure 4 shown, it further includes a fixing mechanism 5. The fixing mechanism 5 includes a fixing plate 50, a rotating frame 51, a first torsion spring 52 and a clamping frame 53. Fixing plates 50 are connected to the front and rear sides of the right part of the connecting frame 1. Rotating frames 51 are rotatably connected to the fixing plates 50. Two upper and lower first torsion springs 52 are connected between the rotating frames 51 and the corresponding fixing plates 50. Clamping frames 53 are connected to the right sides of the rotating frames 51. Anti-slip pads are provided on the clamping frames 53, which is convenient for enhancing the clamping stability.

[0036] When the present invention is used, first, according to the operation requirements of the monorail mine car, the corresponding number of connecting frames 1 are sequentially installed in the track. The adjacent two connecting frames 1 are spliced through the connecting rod 2. When the monorail mine car moves in the track, it drives the connecting frame 1 to move, and the first roller 3 and the first sliding frame 4 move on the track. When the connecting frame 1 is sequentially installed in the track, the rotating frame 51 on the fixed plate 50 can be rotated outwards, and the first torsion spring 52 is deformed. Then, the next connecting frame 1 is installed in the track. After that, the rotating frame 51 is released, and the first torsion spring 52 is restored, so that the rotating frames 51 approach each other, driving the clamping frames 53 to approach each other, and enabling the clamping frames 53 to clamp the next connecting frame 1. When the monorail mine car moves to the turning point of the track, the clamping frame 53 can be deformed within a certain range to limit the next connecting frame 1, avoiding the derailment caused by the outward inclination of the connecting frame 1, thereby playing a role in centering the monorail mine car and avoiding derailment when the monorail mine car turns at the track, which affects the normal operation of the monorail mine car.

[0037] As Figure 1 , Figure 5 and Figure 6 shown, it further includes a guiding mechanism 6. The guiding mechanism 6 includes a fixed bracket 60, a fixed frame 61, a gear 62, a second torsion spring 63, a first connecting tooth plate 64, a moving roller 65, a second connecting tooth plate 66, a first spring 67, a guiding moving frame 68 and a rack 69. Two front and rear fixed brackets 60 are connected to the upper side of the middle part of the connecting frame 1. Fixed frames 61 are connected to the upper sides of the fixed brackets 60. Gears 62 are rotatably connected to the upper and lower parts of the fixed frame 61. Second torsion springs 63 are connected between the gears 62 and the corresponding fixed frames 61. First connecting tooth plates 64 are connected to the inner sides of the gears 62. Moving rollers 65 are rotatably connected to the middle parts of the fixed frames 61. Second connecting tooth plates 66 are slidably connected to the upper and lower sides of the moving rollers 65. Six first springs 67 are connected between the second connecting tooth plates 66 and the corresponding moving rollers 65. The second connecting tooth plates 66 are meshed with the adjacent first connecting tooth plates 64. Guiding moving frames 68 are slidably connected to the mutually remote sides of the lower parts of the fixed brackets 60. Racks 69 are connected to the upper and lower parts of the guiding moving frames 68. The racks 69 are meshed with the adjacent gears 62.

[0038] Using the guiding mechanism 6 of the present device, the connecting frame 1 can be guided. When the connecting frame 1 is installed in the track, the moving roller 65 contacts the track. When the connecting frame 1 moves, the moving roller 65 rotates, driving the second connecting tooth plate 66 to rotate. Under the action of the first spring 67, the second connecting tooth plate 66 is kept meshed with the first connecting tooth plate 64, thereby driving the first connecting tooth plate 64 to rotate, causing the gear 62 to rotate, and the second torsion spring 63 deforms. While the gear 62 rotates, it meshes with the rack 69 and moves, driving the guiding moving frame 68 to move, so that the guiding moving frame 68 moves to the outside of the rotating frame 51 to the right, thus playing a role in being able to limit the rotating frame 51 and preventing the rotating frame 51 from rotating outward and disengaging from the connecting frame 1. After the guiding moving frame 68 moves to the limit, the second connecting tooth plate 66 moves on the first connecting tooth plate 64 and no longer drives the first connecting tooth plate 64 to rotate. When the moving roller 65 stops moving, the second torsion spring 63 recovers, causing the gear 62 to reset, and further causing the guiding moving frame 68 to reset.

[0039] As Figure 1 、 Figure 7 、 Figure 8 、 Figure 9 and Figure 11 shown, it further includes a positioning mechanism 7. The positioning mechanism 7 includes a connecting column 70, an inclined plate 71, a second sliding frame 72 and a connecting support plate 73. Connecting columns 70 are connected to the lower left sides of the lower parts of the rotating frames 51, inclined plates 71 are connected to the lower parts of the connecting columns 70, second sliding frames 72 are slidably connected to the front and rear sides of the lower part of the connecting frame 1, the second sliding frames 72 are slidably matched with the adjacent inclined plates 71, connecting support plates 73 are connected to the second sliding frames 72, and the upper parts of the connecting support plates 73 are connected to the adjacent guiding moving frames 68.

[0040] Using the positioning mechanism 7 of the present device, the rotating frame 51 can be positioned. While the guiding moving frame 68 moves to the right, it drives the second sliding frame 72 to move to the right along the inclined plate 71, causing the second sliding frame 72 to squeeze the connecting column 70 to move inward, and further squeezing the rotating frame 51 to move inward, thus playing a role in being able to further position the rotating frame 51 and enhancing the stability of the rotating frame 51.

[0041] As Figure 1 and Figure 10 shown, it further includes a limiting mechanism 8. The limiting mechanism 8 includes a handle 80, a lead screw 81 and a moving block 82. Lead screws 81 are rotatably connected to the mutually separated sides on the left of the rotating frame 51, handles 80 are connected to the right sides of the lead screws 81, moving blocks 82 are threadedly connected to the lead screws 81, the moving blocks 82 are slidably connected to the adjacent rotating frame 51, and the moving blocks 82 are all located inside the adjacent guiding moving frames 68.

[0042] By using the limit mechanism 8 of the present device, the rotating frame 51 can be squeezed inward. Rotate the handle 80 to drive the screw rod 81 to rotate, so that the moving block 82 moves. Adjust the moving block 82 to a suitable position, so that when the guiding and moving frame 68 moves to the right, it squeezes the moving block 82, thereby being able to squeeze the rotating frame 51 inward and ensuring that the rotating frame 51 stably clamps the connecting frame 1.

[0043] As Figure 1 and Figure 12 shown, it further includes an auxiliary mechanism 9. The auxiliary mechanism 9 includes a guiding plate 90, a second roller 91 and a second spring 92. There are two front and rear guiding plates 90 slidably connected to the right part of the connecting frame 1. The left and right parts of the guiding plate 90 are both rotatably connected with the second roller 91, and a second spring 92 is connected between the guiding plate 90 and the connecting frame 1.

[0044] By using the auxiliary mechanism 9 of the present device, the movement of the connecting frame 1 can be assisted. Through the acting force of the second spring 92, the second roller 91 on the guiding plate 90 is closely attached to the track. When the connecting frame 1 moves, the second roller 91 rotates, thereby being able to make the connecting frame 1 move more smoothly on the track.

[0045] As Figure 1 and Figure 12 shown, it further includes an extension mechanism 10. The extension mechanism 10 includes a connecting plate 100, a clamping plate 101 and a third torsion spring 102. The right sides of the clamping frames 53 are both connected with the connecting plate 100. The right sides of the connecting plate 100 are both rotatably connected with the clamping plate 101, and a third torsion spring 102 is connected between the upper and lower parts of the clamping plate 101 and the connected connecting plate 100.

[0046] By using the extension mechanism 10 of the present device, the clamping stability of the rotating frame 51 to the connecting frame 1 can be enhanced. Rotate the clamping plate 101 on the connecting plate 100, and the third torsion spring 102 deforms. After the connecting frame 1 is installed, release the clamping plate 101, and the third torsion spring 102 resumes, so that the clamping plates 101 approach each other to clamp the connecting frame 1, thereby being able to enhance the clamping stability of the rotating frame 51 to the connecting frame 1 and avoid the connecting frame 1 from derailing.

[0047] Although the present invention has been described in detail with reference to the above embodiments, it is obvious to those skilled in the art through the present disclosure that various changes or modifications can be made to the present invention without departing from the principle and spirit scope of the present invention defined by the claims. Therefore, the detailed description of the embodiments of the present disclosure is only used to explain, rather than to limit the present invention, and the scope of protection is defined by the content of the claims.

Claims

1. A track auxiliary centering and anti-derailment device for a coal mine monorail crane, characterized in that: The invention comprises a connecting frame (1), a connecting rod (2), a first roller (3), a first sliding frame (4) and a fixing mechanism (5), wherein the left side of the connecting frame (1) is connected to the connecting rod (2), the lower part of the connecting frame (1) is rotatably connected to a plurality of first rollers (3), the upper left side of the connecting frame (1) is connected to two front and rear first sliding frames (4), and the connecting frame (1) is provided with a fixing mechanism (5) capable of centering and limiting. The device also includes a fixing mechanism (5), which includes a fixing plate (50), a rotating frame (51), a first torsion spring (52) and a clamping frame (53). The front and rear sides of the right part of the connecting frame (1) are both connected to the fixing plate (50). The rotating frame (51) is rotatably connected to the fixing plate (50). The rotating frame (51) is connected to the connected fixing plate (50) with two upper and lower first torsion springs (52). The right side of the rotating frame (51) is connected to the clamping frame (53). The fixing plate is rotated outward. The rotating frame (51) on the (50) is deformed, and the first torsion spring (52) is deformed, and then the next connecting frame (1) is installed in the track. After that, the rotating frame (51) is released, and the first torsion spring (52) is restored, so that the rotating frames (51) are moved closer to each other, driving the clamping frames (53) to move closer to each other, so that the clamping frames (53) clamp the next connecting frame (1). When the monorail mine car moves to the turning point of the track, the clamping frame (53) limits the next connecting frame (1) to prevent the connecting frame (1) from tilting outward and causing derailment.

2. A coal mine monorail crane track auxiliary centering and anti-derailment device according to claim 1, characterized in that: A plurality of balls are rotatably arranged on the first sliding frame (4).

3. A coal mine monorail crane track auxiliary centering and anti-derailment device according to claim 2, characterized in that: The clamping frame (53) is provided with an anti-skid pad.

4. A coal mine monorail crane track auxiliary centering and anti-derailment device according to claim 3, characterized in that: The guide mechanism (6) further comprises a fixed bracket (60), a fixed frame (61), a gear (62), a second torsion spring (63), a first connecting tooth plate (64), a movable roller (65), a second connecting tooth plate (66), a first spring (67), a guide movable frame (68) and a rack (69). The middle upper part of the connecting frame (1) is connected to two front and rear fixed brackets (60). The upper sides of the fixed brackets (60) are both connected to the fixed frames (61). The upper and lower parts of the fixed frames (61) are both rotatably connected to the gears (62). The second torsion spring (63) is connected between the gears (62) and the connected fixed frames (61). The inner sides of the gears (62) are both connected to the first connecting tooth plate (64). The middle part of the fixed frames (61) is both rotatably connected to the movable roller (65). The upper and lower sides of the movable roller (65) are both slidably connected to the second connecting tooth plate (66). The second connecting tooth plate (66) is both connected to the connected fixed frames (61). A plurality of first springs (67) are connected between the movable rollers (65), and the second connecting tooth plates (66) are all meshed with adjacent first connecting tooth plates (64). A guide movable frame (68) is slidably connected to one side of the lower part of the fixed bracket (60) that is away from each other. The upper and lower parts of the guide movable frame (68) are both connected to racks (69), and the racks (69) are all meshed with adjacent gears (62). When the connecting frame (1) moves, the movable roller (65) rotates, driving the second connecting tooth plates (66) to rotate. The second connecting tooth plates (66) are kept meshed with the first connecting tooth plates (64) by the action force of the first springs (67), thereby driving the first connecting tooth plates (64) to rotate, causing the gear (62) to rotate, and the second torsion spring (63) to deform. The gear (62) rotates while meshing with the rack (69), driving the guide movable frame (68) to move, so that the guide movable frame (68) moves rightward to the outside of the rotating frame (51).

5. A coal mine monorail crane track auxiliary centering and anti-derailment device according to claim 4, characterized in that: The locking mechanism (7) further comprises a locking mechanism (7), which comprises a connecting column (70), an inclined plate (71), a second sliding frame (72) and a connecting support plate (73). The left side of the lower part of the rotating frame (51) is connected to the connecting column (70), the lower part of the connecting column (70) is connected to the inclined plate (71), the front and rear sides of the lower part of the connecting frame (1) are slidably connected to the second sliding frame (72), the second sliding frame (72) is slidably matched with the adjacent inclined plate (71), the second sliding frame (72) is connected to the connecting support plate (73), the upper part of the connecting support plate (73) is connected to the adjacent guide movable frame (68), when the guide movable frame (68) moves to the right, it drives the second sliding frame (72) to move to the right along the inclined plate (71), so that the second sliding frame (72) presses the connecting column (70) to move inward, thereby pressing the rotating frame (51) to move inward.

6. A coal mine monorail crane track auxiliary centering and anti-derailment device according to claim 5, characterized in that: The invention also comprises a limiting mechanism (8), the limiting mechanism (8) comprising a screw rod (81) and a moving block (82), the screw rod (81) being rotatably connected to the left side of the rotating frame (51) which is away from each other, the moving block (82) being threadedly connected to the screw rod (81), the moving block (82) being slidably connected to the adjacent rotating frame (51), the moving block (82) being located on the inner side of the adjacent guide moving frame (68), the screw rod (81) being rotated to move the moving block (82), and the moving block (82) being adjusted to a suitable position so that the moving block (82) is squeezed when the guide moving frame (68) moves to the right.

7. A coal mine monorail crane track auxiliary centering and anti-derailment device according to claim 6, characterized in that: It also includes a handle (80), and the right side of the screw rod (81) is connected to the handle (80).

8. A coal mine monorail crane track auxiliary centering and anti-derailment device according to claim 7, characterized in that: The invention also comprises an auxiliary mechanism (9), the auxiliary mechanism (9) comprising a guide plate (90), a second roller (91) and a second spring (92); the right part of the connecting frame (1) is slidably connected to two front and rear guide plates (90); the left and right parts of the guide plate (90) are both rotatably connected to the second roller (91); the second spring (92) is connected between the guide plate (90) and the connecting frame (1); the second roller (91) on the guide plate (90) is closely attached to the track by the action force of the second spring (92); when the connecting frame (1) moves, the second roller (91) rotates.

9. A coal mine monorail crane track auxiliary centering and anti-derailment device according to claim 8, characterized in that: The device also includes an extension mechanism (10), which includes a connecting plate (100), a clamping plate (101) and a third torsion spring (102). The right side of the clamping frame (53) is connected to the connecting plate (100). The right side of the connecting plate (100) is rotatably connected to the clamping plate (101). The third torsion spring (102) is connected between the upper and lower parts of the clamping plate (101) and the connected connecting plate (100). When the clamping plate (101) on the connecting plate (100) is rotated, the third torsion spring (102) is deformed. After the connecting frame (1) is installed, the clamping plate (101) is loosened and the third torsion spring (102) is restored, so that the clamping plates (101) are close to each other to clamp the connecting frame (1).

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