Coal mining subsidence area protection device with angle convenient to adjust

Abstract

The invention discloses a coal mining subsidence area protection device with the angle convenient to adjust, and relates to the technical field of coal mining, and the technical scheme is that the coal mining subsidence area protection device comprises a device base, the rear end of the device base is fixedly connected with an anti-overturning mechanism, the anti-overturning mechanism comprises a fixed shell fixedly connected to the rear end of the device base, and a third motor is arranged in the fixed shell; a worm is arranged at the output end of the third motor, a worm gear is connected to the worm in a meshed mode, the worm gear is rotationally connected with the fixed shell, a fifth gear is fixedly connected to the side, away from the fixed shell, of the worm gear, and a first rack is connected to the fifth gear in a meshed mode. A third motor can drive a worm and a sixth gear to rotate synchronously, the worm rotates to drive a first rack to move downwards, the first rack moves downwards to drive a balancing weight to press the ground, the bottom face of the device is fixed through the dead weight of the balancing weight, and the stability of the device is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of coal mining, and in particular to a coal mining subsidence area protection device with easily adjustable angles. Background Art

[0002] With the large-scale development and utilization of mineral resources, after the ore body is mined, the natural stress state of the rock mass around the goaf is destroyed, causing the rock strata and the surface to move, deform, and even be destroyed. In the process of coal mining, subsidence is a common problem that will cause a large amount of rockfall, seriously threatening the personal safety of miners. Traditional protective devices have many shortcomings in dealing with these problems, such as it is difficult to adjust the support angle of the device according to the angle of the subsidence area, the device is difficult to move, and the support strength is difficult to adjust. Therefore, it is particularly important to develop a coal mining subsidence area protection device with an easy-to-adjust angle.

[0003] During actual use of existing devices, when the device works in inclined or unstable strata, the protective plate may face the risk of overturning when adjusting the inclination angle due to poor bottom stability. If the anti-overturning ability of the protective device is insufficient, it will seriously threaten its stability and safety. Therefore, a coal mining subsidence area protection device with easy-to-adjust angle is proposed. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings in the prior art that when the device works in an inclined or unstable stratum, the protective plate may face the risk of overturning due to poor bottom stability when adjusting the inclination angle, and the device has insufficient anti-overturning ability, which seriously threatens its stability and safety. A coal mining subsidence area protection device with an easy-to-adjust angle is proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A coal mining subsidence area protection device with easy-to-adjust angle includes a device base, a rear end of the device base is fixedly connected to an anti-overturning mechanism, the anti-overturning mechanism includes a fixed shell fixedly connected to the rear end of the device base, a third motor is provided inside the fixed shell, an output end of the third motor is provided with a worm, the worm is meshed with a worm wheel, the worm wheel and the fixed shell are rotatably connected, the worm wheel is fixedly connected to a fifth gear on the side away from the fixed shell, the fifth gear is meshed with a first rack, a counterweight is fixedly connected to the bottom of the first rack, the counterweight is slidably connected to the device base, and the lower part of the counterweight is fixedly connected to two gripping mechanisms.

[0007] The worm is fixedly connected to a sixth gear on a side away from the third motor, and the sixth gear is meshed with the second rack. The second rack is fixedly connected to a dust collection box on a side away from the sixth gear. The dust collection box is slidably connected to the fixed shell. After the device moves to the protective position, the third motor is started to drive the worm and the sixth gear to rotate synchronously. The rotation of the worm drives the first rack to move downward, thereby driving the counterweight to contact the ground to ensure the stability of the device, and the rotation of the sixth gear drives the second rack to extend from the inside of the fixed shell to absorb external dust. Four anti-skid wheels are provided at the bottom of the base of the device, and fan blades are provided inside the dust collection box, and dust can be sucked into the dust collection box through the fan blades.

[0008] The above technical solution further includes:

[0009] A first limiting groove is fixedly connected inside the fixed shell, and a first rack is slidably connected inside the first limiting groove.

[0010] The interior of the fixed housing is fixedly connected to the second limiting groove, and the interior of the second limiting groove is slidably connected to the second rack.

[0011] The gripping mechanism comprises a gripping shell fixedly connected to the lower part of the counterweight block, a second motor is arranged inside the gripping shell, and a gripping assembly is arranged at the output end of the second motor.

[0012] The gripping assembly includes a third gear provided at the output end of the second motor, the third gear is meshedly connected with a fourth gear, and the fourth gear is threadedly connected with a gripping spike.

[0013] An adjustment mechanism is symmetrically arranged on the upper part of the device base. The adjustment mechanism includes an adjustment shell fixedly connected to the upper part of the device base. A first motor is arranged inside the adjustment shell, and an adjustment component is arranged at the output end of the first motor.

[0014] The adjustment component includes a second gear arranged at the output end of the first motor, the second gear is meshedly connected to the first gear, a transmission groove is fixedly connected to the upper part of the first gear, the transmission groove is rotatably connected to the adjustment housing, a threaded rod is threadedly connected to the inside of the transmission groove, and an adjustment plate is fixedly connected to the upper part of the threaded rod.

[0015] The limiting rods are symmetrically fixedly connected on both sides of the adjustment plate, and the limiting rods are slidably connected to the adjustment shell. The upper part of the adjustment plate is rotatably connected to a protective base plate, and the upper part of the protective base plate is fixedly connected to a plurality of buffer pads, and the upper part of the buffer pad is fixedly connected to a protective plate, and the protective plate is an arc-shaped structure.

[0016] A lighting lamp is arranged at the lower part of the protection bottom plate.

[0017] The present invention has the following beneficial effects:

[0018] 1. In the present invention, after the device moves to the protection area, the third motor can be started, and the third motor can drive the worm and the sixth gear to rotate synchronously. The rotation of the worm can drive the first rack to move downward, and the downward movement of the first rack can drive the counterweight block to be pressed down to the ground. The bottom surface of the device is fixed by the deadweight of the counterweight block, which effectively improves the stability of the device. After the counterweight block contacts the ground, the gripping mechanism is activated to drive the gripping spikes to move downward and penetrate into the ground, further fixing the counterweight block to the ground, effectively improving the anti-overturning ability of the device. The rotation of the sixth gear can drive the dust collection box to extend from the inside of the fixed shell. The dust collection box can absorb dust when people are working, thereby protecting people.

[0019] 2. In the present invention, two adjustment mechanisms are symmetrically arranged on the upper part of the base of the device. The two mechanisms are independent of each other. When it is necessary to adjust the inclination angle of the protective plate, the adjustment mechanism on one side can be started, and the adjustment plate can be driven to move through the mechanism, thereby driving the protective plate to rotate and adjust the inclination angle of the protective plate. When it is necessary to adjust the height of the protective plate, it is only necessary to start the adjustment mechanisms on both sides at the same time. When the adjustment plates on both sides move synchronously, the height of the protective plate can be adjusted, which is convenient and efficient, and improves the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a coal mining subsidence area protection device with easily adjustable angles proposed by the present invention;

[0021] Figure 2 It is a side view of the overall structure of the device in the present invention;

[0022] Figure 3 Schematic diagram of the structure of the regulating mechanism in the present invention;

[0023] Figure 4 Schematic diagram of the internal structure of the regulating housing in the present invention;

[0024] Figure 5 This is a schematic diagram of the connection relationship of the counterweight blocks in the present invention;

[0025] Figure 6 Schematic diagram of the internal structure of the grip shell in the present invention;

[0026] Figure 7 Schematic diagram of the first internal structure of the fixed housing in the present invention;

[0027] Figure 8 Schematic diagram of the second internal structure of the fixed shell in the present invention.

[0028] In the figure: 1. Device base; 2. Adjustment shell; 3. Protection plate; 4. Fixed shell; 5. Grip shell; 6. Limit rod; 7. Threaded rod; 8. Buffer pad; 9. Protective bottom plate; 10. Lighting lamp; 11. Adjustment plate; 12. First motor; 13. First gear; 14. Second gear; 15. Transmission groove; 16. Dust box; 17. First rack; 18. Counterweight; 19. Second motor; 20. Third gear; 21. Fourth gear; 22. Grip spike; 23. Fifth gear; 24. First limiting groove; 25. Third motor; 26. Worm gear; 27. Worm; 28. Sixth gear; 29. Second rack; 30. Second limiting groove. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Example 1

[0031] like Figures 1-8 As shown, a coal mining subsidence area protection device with easy-to-adjust angle includes a device base 1, and an anti-overturning mechanism is fixedly connected to the rear end of the device base 1. The anti-overturning mechanism includes a fixed shell 4 fixedly connected to the rear end of the device base 1, and a third motor 25 is provided inside the fixed shell 4. A worm 27 is provided at the output end of the third motor 25. The worm 27 is meshed with a worm gear 26, and the worm gear 26 is rotationally connected to the fixed shell 4. The side of the worm gear 26 away from the fixed shell 4 is fixedly connected to a fifth gear 23, and the fifth gear 23 is meshed with a first rack 17. A counterweight block 18 is fixedly connected to the bottom of the first rack 17, and the counterweight block 18 is slidably connected to the device base 1. The lower part of the counterweight block 18 is fixedly connected to two gripping mechanisms.

[0032] The worm 27 is fixedly connected to the sixth gear 28 on the side away from the third motor 25, and the sixth gear 28 is meshed with the second rack 29. The second rack 29 is fixedly connected to the dust box 16 on the side away from the sixth gear 28. The dust box 16 is slidingly connected to the fixed shell 4. After the device moves to the protective position, the third motor 25 is started to drive the worm 27 and the sixth gear 28 to rotate synchronously. The rotation of the worm 27 drives the first rack 17 to move downward, thereby driving the counterweight 18 to contact the ground to ensure the stability of the device, and the rotation of the sixth gear 28 drives the second rack 29 to extend from the inside of the fixed shell 4 to absorb external dust. Four anti-skid wheels are provided at the bottom of the device base 1, and fan blades are provided inside the dust box 16, and dust can be sucked into the dust box 16 through the fan blades.

[0033] A first limiting slot 24 is fixedly connected to the interior of the fixed housing 4, and a first rack 17 is slidably connected to the interior of the first limiting slot 24. A second limiting slot 30 is fixedly connected to the interior of the fixed housing 4, and a second rack 29 is slidably connected to the interior of the second limiting slot 30. The gripping mechanism includes a gripping housing 5 fixedly connected to the lower portion of the counterweight 18. A second motor 19 is disposed within the gripping housing 5, and a gripping assembly is disposed at the output end of the second motor 19. The gripping assembly includes a third gear 20 disposed at the output end of the second motor 19, meshingly connected to the third gear 20 with a fourth gear 21, and a gripping spike 22 is threadedly connected to the fourth gear 21.

[0034] In this embodiment, after the device moves to the protection area, the third motor 25 is first started. The third motor 25 can drive the worm 27 and the sixth gear 28 to rotate synchronously. The rotation of the worm 27 drives the meshing worm wheel 26 to rotate. The rotation of the worm wheel 26 drives the fixedly connected fifth gear 23 to rotate. The rotation of the fifth gear 23 can drive the meshing first rack 17 to move. During the movement of the first rack 17, the slidingly connected first limit groove 24 can ensure the stability of the first rack 17 during movement. The movement of the first rack 17 can drive the fixedly connected counterweight block 18 to be pressed down to the ground, and the weight of the counterweight block 18 can fix the bottom surface of the device, effectively improving the stability of the device.

[0035] After the counterweight 18 contacts the ground, the second motor 19 is started to drive the third gear 20 to rotate. The rotation of the third gear 20 drives the meshing fourth gear 21 to rotate, and the rotation of the fourth gear 21 drives the threaded gripping spikes 22 to move, thereby causing the gripping spikes 22 to move down and insert into the ground, further fixing the counterweight 18 to the ground, effectively improving the anti-overturning ability of the device, and the rotation of the sixth gear 28 drives the meshing second rack 29 to move. During the movement of the second rack 29, the slidingly connected second limiting groove 30 can ensure the stability of the second rack 29 during movement. The movement of the second rack 29 can drive the dust box 16 to extend from the inside of the fixed shell 4, and the dust box 16 absorbs the dust generated during work to protect personnel.

[0036] Example 2

[0037] like Figures 1-8As shown, an adjustment mechanism is symmetrically disposed on the upper portion of the device base 1. The adjustment mechanism includes an adjustment housing 2 fixedly connected to the upper portion of the device base 1. A first motor 12 is disposed within the adjustment housing 2, and an adjustment assembly is disposed at the output end of the first motor 12. The adjustment assembly includes a second gear 14 disposed at the output end of the first motor 12. The second gear 14 is meshedly connected to the first gear 13. A transmission slot 15 is fixedly connected to the upper portion of the first gear 13 and is rotationally connected to the transmission slot 15 and the adjustment housing 2. A threaded rod 7 is threadedly connected to the interior of the transmission slot 15, and an adjustment plate 11 is fixedly connected to the upper portion of the threaded rod 7.

[0038] The limiting rods 6 are symmetrically fixedly connected on both sides of the adjustment plate 11, and the limiting rods 6 are slidingly connected to the adjustment shell 2. The upper part of the adjustment plate 11 is rotatably connected to the protective base plate 9, and a number of buffer pads 8 are fixedly connected to the upper part of the protective base plate 9. The upper part of the buffer pad 8 is fixedly connected to the protective plate 3, which is an arc-shaped structure. A lighting lamp 10 is provided at the lower part of the protective base plate 9.

[0039] In this embodiment, two adjustment mechanisms are symmetrically provided on the upper part of the device base 1. The two mechanisms are independent of each other. When the inclination angle of the protective plate 3 needs to be adjusted, the adjustment mechanism on one side can be started, and the second gear 14 is driven to rotate by the first motor 12. The rotation of the second gear 14 drives the meshing first gear 13 to rotate, and the rotation of the first gear 13 can drive the fixedly connected transmission groove 15 to rotate. The rotation of the transmission groove 15 can drive the threaded rod 7 to move, and the movement of the threaded rod 7 drives the fixedly connected adjustment plate 11 to move. When the adjustment plate 11 moves, the limit rods 6 provided on both sides can slide synchronously along the adjustment housing 2, thereby ensuring the adjustment The plate 11 is stable when moving. The movement of the adjustment plate 11 drives the protective plate 3 to rotate, thereby adjusting the inclination angle of the protective plate 3. When the height of the protective plate 3 needs to be adjusted, it is only necessary to start the adjustment mechanisms on both sides at the same time. When the adjustment plates 11 on both sides move synchronously, the height of the protective plate 3 can be adjusted, which is convenient and efficient, and improves the use effect of the device. The structure of the protective plate 3 is an arc structure, which can effectively reduce the contact area between the falling rocks and the protective plate 3, and a number of buffer pads 8 are provided at the bottom of the protective plate 3. The buffer pads 8 can effectively provide shock absorption for the protective plate 3, and the lighting lamps 10 arranged at the bottom of the protective base plate 9 can effectively provide lighting.

[0040] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A coal mining subsidence area protection device with an easily adjustable angle, comprising a device base (1), characterized in that: The rear end of the device base (1) is fixedly connected to an anti-overturning mechanism, and the anti-overturning mechanism includes a fixed shell (4) fixedly connected to the rear end of the device base (1); a third motor (25) is provided inside the fixed shell (4); a worm (27) is provided at the output end of the third motor (25); the worm (27) is meshedly connected to a worm wheel (26); the worm wheel (26) is rotationally connected to the fixed shell (4); a fifth gear (23) is fixedly connected to the side of the worm wheel (26) away from the fixed shell (4); the fifth gear (23) is meshedly connected to a first rack (17); a counterweight (18) is fixedly connected to the bottom of the first rack (17); the counterweight (18) is slidably connected to the device base (1); and the lower part of the counterweight (18) is fixedly connected to two gripping mechanisms; The worm (27) is fixedly connected to a sixth gear (28) on a side away from the third motor (25), and the sixth gear (28) is meshedly connected to a second rack (29). The second rack (29) is fixedly connected to a dust box (16) on a side away from the sixth gear (28). The dust box (16) is slidably connected to the fixed shell (4). After the device moves to the protection position, the third motor (25) is started to drive the worm (27) and the sixth gear (28) to rotate synchronously. The rotation of the worm (27) drives the first rack (17) to move downward, thereby driving the counterweight (18) to contact the ground to ensure the stability of the device, and the rotation of the sixth gear (28) drives the second rack (29) to extend from the inside of the fixed shell (4) to absorb external dust.

2. The coal mining subsidence area protection device with easily adjustable angle according to claim 1 is characterized in that: A first limiting groove (24) is fixedly connected inside the fixed housing (4), and a first rack (17) is slidably connected inside the first limiting groove (24).

3. The coal mining subsidence area protection device with easily adjustable angle according to claim 1 is characterized in that: The fixed housing (4) is fixedly connected to a second limiting groove (30) inside, and the second limiting groove (30) is slidably connected to a second rack (29) inside.

4. The coal mining subsidence area protection device with easily adjustable angle according to claim 1 is characterized in that: The gripping mechanism comprises a gripping shell (5) fixedly connected to the lower part of the counterweight (18); a second motor (19) is arranged inside the gripping shell (5); and a gripping assembly is arranged at the output end of the second motor (19).

5. The coal mining subsidence area protection device with easily adjustable angle according to claim 4 is characterized in that: The gripping assembly comprises a third gear (20) provided at the output end of the second motor (19); the third gear (20) is meshedly connected with a fourth gear (21); and the fourth gear (21) is threadedly connected with a gripping spike (22).

6. The coal mining subsidence area protection device with easily adjustable angle according to claim 1 is characterized in that: An adjustment mechanism is symmetrically arranged on the upper part of the device base (1), and the adjustment mechanism comprises an adjustment housing (2) fixedly connected to the upper part of the device base (1); a first motor (12) is arranged inside the adjustment housing (2); and an adjustment component is arranged at the output end of the first motor (12).

7. The device for protecting coal mining subsidence area with easily adjustable angle according to claim 6, characterized in that: The adjustment component comprises a second gear (14) provided at the output end of a first motor (12), the second gear (14) being meshedly connected with the first gear (13), a transmission groove (15) being fixedly connected to the upper portion of the first gear (13), the transmission groove (15) being rotationally connected to the adjustment housing (2), a threaded rod (7) being internally threadedly connected to the transmission groove (15), and an adjustment plate (11) being fixedly connected to the upper portion of the threaded rod (7).

8. The device for protecting coal mining subsidence area with easily adjustable angle according to claim 7, characterized in that: The regulating plate (11) is symmetrically fixedly connected to limiting rods (6) on both sides, the limiting rods (6) are slidably connected to the regulating housing (2), the upper portion of the regulating plate (11) is rotatably connected to a protective base plate (9), the upper portion of the protective base plate (9) is fixedly connected to a plurality of buffer pads (8), and the upper portion of the buffer pads (8) is fixedly connected to a protective plate (3).

9. The coal mining subsidence area protection device with easily adjustable angle according to claim 8, characterized in that: A lighting lamp (10) is provided at the lower part of the protective bottom plate (9).

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