Small coal pillar mining protection damping facility

Abstract

The utility model relates to the technical field of small coal pillar mining, and provides a small coal pillar mining protection damping facility which comprises a top plate, a plurality of supporting square pipes, a sliding rod, a lifting mechanism, a stretching mechanism and a moving mechanism, two of the supporting square pipes are fixedly connected to the top plate, the other two supporting square pipes are arranged on the top plate in a sliding mode, and the sliding rod is arranged on the top plate. Sliding rods are slidably connected into the multiple supporting square pipes, lifting mechanisms are arranged in the multiple supporting square pipes and used for driving the sliding rods to ascend and descend in the supporting square pipes, stretching mechanisms are arranged between every two adjacent supporting square pipes on the two sides of the top plate and used for driving the supporting square pipes to move, and moving mechanisms are arranged on the multiple sliding rods and used for moving the supporting square pipes on the two sides of the top plate. By means of the technical scheme, the problems that in the prior art, vibration generated in the mining process easily shakes off the front inner wall, then collapse of a coal seam is easily caused, and then the coal pillar mining efficiency and effect are affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to small coal column mining technical field, specifically, and relates to a small coal column mining protection damping facility. BACKGROUND

[0002] Coal is the most important solid fuel, is a kind of combustible organic rock, it is by the flourishing plant of certain geologic era growth, in suitable geologic environment, gradually accumulates into thick layer, and is buried in water bottom or silt, is formed after the long geologic era natural coalification;

[0003] Coal mine is the area that human extracts coal resources in the mining area rich in coal, and coal needs to be positioned in extraction, to avoid damaging coal column wall, needs to add protection damping facility, the existing protection damping facility is usually protected after coal column mining, the inner wall of coal column will be suspended during coal column mining, if continuing to mine deeply, the vibration generated during mining process is easy to shake the front inner wall down, further easily leading to the collapse of coal seam, further affecting the efficiency and effect of coal column mining. UTILITY MODEL CONTENT

[0004] The utility model provides a small coal column mining protection damping facility, solve the problem that the vibration generated during mining process in the prior art is easy to shake the front inner wall down, further easily leading to the collapse of coal seam, further affecting the efficiency and effect of coal column mining.

[0005] The technical scheme of the utility model is as follows: a small coal column mining protection damping facility, comprising: roof, support square tube, slide bar, lifting mechanism, stretching mechanism and moving mechanism;

[0006] The support square tube is provided with multiple, wherein two support square tubes are fixedly connected on the roof, and the other two support square tubes are slidably arranged on the roof;

[0007] Multiple slide bars are slidably connected in the support square tube;

[0008] Multiple lifting mechanisms are arranged in the support square tube, for driving the slide bar to move up and down in the support square tube;

[0009] Stretching mechanisms are arranged between two adjacent support square tubes on the both sides of the roof, for driving the support square tube to move;

[0010] Moving mechanisms are arranged on multiple slide bars, for supporting the roof to move.

[0011] Preferably, the lifting mechanism comprises: lifting screw, first bevel gear and second bevel gear;

[0012] The lifting screw is rotationally connected in the support square tube, screw holes are formed in the slide rod, and the lifting screw is threadedly connected in the screw holes;

[0013] The first bevel gear is rotationally connected in the support square tube, and the first bevel gear is fixedly connected with the lifting screw.

[0014] The second bevel gear is rotationally connected in the support square tube, and the second bevel gear is meshed with the first bevel gear.

[0015] Further, the stretching mechanism comprises a scissors frame, a connecting frame, a driving screw and a driving assembly.

[0016] The scissors frame is arranged between the two support square tubes.

[0017] The connecting frame is fixedly connected on the scissors frame.

[0018] The driving screw is rotationally connected on the support square tube, screw holes are formed in the connecting frame, and the driving screw is threadedly connected in the screw holes.

[0019] The driving assembly is arranged on the support square tube and is used for driving the driving screw to rotate.

[0020] Further, the driving assembly comprises a third bevel gear and a fourth bevel gear.

[0021] The third bevel gear is fixedly connected on the driving screw.

[0022] The fourth bevel gear is rotationally connected on the support square tube, and the fourth bevel gear is meshed with the third bevel gear.

[0023] As a further scheme of the present application, the moving mechanism comprises a moving frame and a moving wheel.

[0024] The moving frame is fixedly connected on the slide rod.

[0025] The moving wheel is rotationally connected in the moving frame.

[0026] As a further scheme of the present application, the second bevel gear and the fourth bevel gear are fixedly connected with hexagonal blocks.

[0027] The working principle and beneficial effects of the present application are as follows:

[0028] 1. In the present application, the lifting mechanism is arranged to facilitate the upward movement of the support top plate, so that the top plate supports the inner wall of the coal seam, thereby supporting the inner wall.

[0029] 2. In the present application, the stretching mechanism and the moving mechanism cooperate to facilitate the movement of the two support square tubes on the top plate, thereby stably supporting the top plate.

[0030] 3、 The utility model discloses, through the cooperation between top plate, support square tube, slide bar, lifting mechanism, stretching mechanism and moving mechanism, it is convenient to carry out protection and shock attenuation to coal seam when mining coal column one side, improve the efficiency and effect when mining coal column. BRIEF DESCRIPTION OF DRAWINGS

[0031] The utility model will be further explained in detail below in combination with the drawings and specific embodiment.

[0032] Fig. 1 It is the structure schematic diagram of the utility model whole;

[0033] Fig. 2 It is the structure schematic diagram of another angle of the utility model;

[0034] Fig. 3 It is the structure schematic diagram of stretching mechanism of the utility model;

[0035] Fig. 4 It is the structure schematic diagram of lifting mechanism and moving mechanism of the utility model.

[0036] In the drawing: 1, top plate;2, support square tube;3, slide bar;4, lifting screw;5, first bevel gear;6, second bevel gear;7, scissor fork;8, connecting frame;9, drive screw;10, third bevel gear;11, fourth bevel gear;12, moving frame;13, moving wheel;14, hexagonal block. SPECIFIC EMBODIMENT

[0037] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are involved in the scope of the utility model protection.

[0038] As Figs. 1-4 The embodiment provides a small coal pillar mining protection shock attenuation facility, which comprises: a top plate 1, a support square tube 2, a slide bar 3, a lifting mechanism, a stretching mechanism and a moving mechanism, the support square tube 2 is provided with a plurality of support square tubes 2, two of which are fixedly connected to the top plate 1, and the other two support square tubes 2 are slidably arranged on the top plate 1, a plurality of support square tubes 2 are slidably connected with the slide bar 3, and the cooperation between the top plate 1, the support square tube 2, the slide bar 3, the lifting mechanism, the stretching mechanism and the moving mechanism facilitates the protection and shock attenuation to the coal seam when mining coal column one side, improves the efficiency and effect when mining coal column.

[0039] The plurality of support square tubes 2 are each provided with a lifting mechanism for driving the slide rod 3 to move up and down in the support square tube 2. The lifting mechanism comprises a lifting screw 4, a first bevel gear 5 and a second bevel gear 6. The lifting screw 4 is rotatably connected in the support square tube 2. The slide rod 3 is provided with a threaded hole. The lifting screw 4 is threadedly connected in the threaded hole. The first bevel gear 5 is rotatably connected in the support square tube 2. The first bevel gear 5 is fixedly connected with the lifting screw 4. The second bevel gear 6 is rotatably connected in the support square tube 2. The second bevel gear 6 is engaged with the first bevel gear 5. Specifically, the second bevel gear 6 is rotated by an operator to drive the first bevel gear 5 to rotate. When the second bevel gear 6 rotates, the first bevel gear 5 is driven to rotate, and the lifting screw 4 is driven to rotate in the threaded hole of the slide rod 3, thereby driving the slide rod 3 to move up and down in the support square tube 2, and further driving the support square tube 2 and the top plate 1 to adjust the lifting, thereby supporting the coal seam.

[0040] The two adjacent support square tubes 2 on both sides of the top plate 1 are each provided with a stretching mechanism for driving the support square tube 2 to move. The stretching mechanism comprises a scissors frame 7, a connecting frame 8, a drive screw 9 and a drive assembly. The scissors frame 7 is arranged between the two support square tubes 2. The connecting frame 8 is fixedly connected with the scissors frame 7. The drive screw 9 is rotatably connected with the support square tube 2. The connecting frame 8 is provided with a threaded hole. The drive screw 9 is threadedly connected in the threaded hole. The drive assembly is arranged on the support square tube 2 for driving the drive screw 9 to rotate. The drive assembly comprises a third bevel gear 10 and a fourth bevel gear 11. The second bevel gear 6 and the fourth bevel gear 11 are each fixedly connected with a hexagonal block 14. The third bevel gear 10 is fixedly connected with the drive screw 9. The fourth bevel gear 11 is rotatably connected with the support square tube 2. The fourth bevel gear 11 is engaged with the third bevel gear 10. Specifically, the fourth bevel gear 11 is rotated by the operator rotating the hexagonal block 14 to drive the third bevel gear 10 and the drive screw 9 to rotate. When the drive screw 9 rotates, the connecting frame 8 is driven to descend. When the connecting frame 8 descends, the scissors frame 7 is unfolded to support the support square tube 2 to slide on the top plate 1, thereby stably supporting the top plate 1.

[0041] The plurality of slide rods 3 are each provided with a moving mechanism for supporting the top plate 1 to move. The moving mechanism comprises a moving frame 12 and a moving wheel 13. The moving frame 12 is fixedly connected with the slide rod 3. The moving wheel 13 is rotatably connected in the moving frame 12. Specifically, the moving wheel 13 is rotated in the moving frame 12 to support the top plate 1 to move.

[0042] In the embodiment, when the coal seam needs to be supported, the roof 1 is arranged in an arc shape, which can adapt to the 18° inclination of the coal seam, then the roof 1 is moved into the coal seam, then the operator rotates the hexagonal block 14 to drive the second bevel gear 6 to rotate, the second bevel gear 6 drives the first bevel gear 5 to rotate when rotating, the first bevel gear 5 drives the lifting screw 4 to rotate in the screw hole of the slide rod 3, thereby driving the slide rod 3 to move up and down in the supporting square tube 2, and further driving the supporting square tube 2 and the roof 1 to adjust the lifting, supporting the coal seam, the operator rotates the hexagonal block 14 to drive the fourth bevel gear 11 to rotate, the fourth bevel gear 11 drives the third bevel gear 10 and the drive screw 9 to rotate when rotating, the drive screw 9 drives the connecting frame 8 to descend when rotating, the connecting frame 8 drives the scissors frame 7 to unfold when descending, thereby supporting the supporting square tube 2 to slide on the roof 1, and stably supporting the roof 1.

[0043] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A small-pillar mining protection and damping facility, characterized in that, Include: Top plate (1); Support square tube (2), a plurality of support square tubes (2) are provided, wherein two support square tubes (2) are fixedly connected on the top plate (1), and the other two support square tubes (2) are slidably arranged on the top plate (1); Slide bar (3), a plurality of support square tubes (2) are slidably connected with the slide bar (3); Lifting mechanism, a plurality of lifting mechanisms are arranged in the support square tube (2) for driving the slide bar (3) to move up and down in the support square tube (2); Stretching mechanism, stretching mechanisms are arranged between two adjacent support square tubes (2) on both sides of the top plate (1) for driving the support square tube (2) to move; Moving mechanism, a moving mechanism is arranged on each of the plurality of slide bars (3) for supporting the top plate (1) to move.

2. A small-pillar mining protection and damping facility according to claim 1, characterized in that, The lifting mechanism comprises: Lifting screw (4), the lifting screw (4) is rotatably connected in the support square tube (2), a screw hole is formed in the slide bar (3), and the lifting screw (4) is threadedly connected in the screw hole; First bevel gear (5), the first bevel gear (5) is rotatably connected in the support square tube (2), and the first bevel gear (5) is fixedly connected with the lifting screw (4); Second bevel gear (6), the second bevel gear (6) is rotatably connected in the support square tube (2), and the second bevel gear (6) is engaged with the first bevel gear (5).

3. A small-pillar mining protection and damping facility according to claim 2, characterised in that, The stretching mechanism comprises: Scissor frame (7), the scissor frame (7) is arranged between two support square tubes (2); Connecting frame (8), the connecting frame (8) is fixedly connected on the scissor frame (7); Drive screw (9), the drive screw (9) is rotatably connected on the support square tube (2), a screw hole is formed in the connecting frame (8), and the drive screw (9) is threadedly connected in the screw hole; Drive assembly, the drive assembly is arranged on the support square tube (2) for driving the drive screw (9) to rotate.

4. A small-pillar mining protection and damping facility according to claim 3, characterised in that, The drive assembly comprises: Third bevel gear (10), the third bevel gear (10) is fixedly connected on the drive screw (9); Fourth bevel gear (11), the fourth bevel gear (11) is rotatably connected on the support square tube (2), and the fourth bevel gear (11) is engaged with the third bevel gear (10).

5. A small-pillar mining protection and damping facility according to claim 4, characterised in that, The moving mechanism comprises: Moving frame (12), the moving frame (12) is fixedly connected on the slide bar (3); Moving wheel (13), the moving wheel (13) is rotatably connected in the moving frame (12).

6. A small-pillar mining protection and damping facility according to claim 5, characterised in that, The second bevel gear (6) and the fourth bevel gear (11) are fixedly connected with hexagonal blocks (14).

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