Hydraulic support for coal mine machinery

Abstract

The utility model discloses a hydraulic support for coal mine machinery, which relates to the technical field of coal mine mining and comprises a support body and an adjusting mechanism arranged on the inner wall of the support body. The rotating assembly comprises an adjusting threaded rod and a gear, a rotating plate is rotationally connected to the outer wall of the support body, and by arranging the gear, when an ore bed in a mine is supported through the mechanical hydraulic support, the adjusting effect on the support in the horizontal direction is improved, and the coal mining effect on the ore beds in different directions is improved; a driving motor can be turned on to drive a limiting block to slide along the outer wall of a limiting groove by adjusting rotation of a threaded rod, sliding of the limiting block drives a gear to rotate through sliding of a rack, so that a rotating plate is driven to rotate, and the effect of adjusting the support in the horizontal direction is achieved; when an ore bed in a mine is supported through the mechanical hydraulic support, the control operation of improving the coal mining effect of the ore bed in different directions is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to a coal mine mechanical hydraulic support. Background Art

[0002] Coal mining is the process of separating valuable coal from underground or surface and transporting it away from the site. In coal mining, mechanical hydraulic supports are often required to support the ore layer in the mine.

[0003] For example, application number 202223243421.6 discloses a hydraulic support platform for coal mine machinery, including a base and a support platform, the base and the support platform are provided with a support structure, the support structure includes: side support parts, a support hydraulic cylinder and an adjustment part, the side support parts are arranged at both ends of the support platform, the support hydraulic cylinder is rotatably connected to the base and the support platform through a pin shaft, and the adjustment part is arranged between the base and the support platform. The utility model is provided with a support platform, and a support hydraulic cylinder and an adjustment hydraulic cylinder are connected between the support platform and the base, which can adjust the height and angle of the support platform, and cooperate with the first side top plate and the second side top plate at both ends to support the inner walls on both sides, thereby increasing the stability and support effect of the adjustable support platform, being more practical, and the structure is more suitable for the internal conditions of the coal mine.

[0004] However, the mechanical hydraulic support usually only adjusts the mechanical rod in the vertical direction, and the adjustment effect of the support in the horizontal direction is not high. As a result, when mining coal in different directions of ore layers, the fixed angle of the support will make it impossible to mine coal in different directions, thereby reducing the coal mining efficiency.

[0005] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a coal mine mechanical hydraulic support is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a coal mine mechanical hydraulic support to solve the problem in the above background technology that the adjustment effect of the support in the horizontal direction is not high, thereby reducing the coal mining efficiency of the coal mine.

[0007] To achieve the above-mentioned object, the present utility model provides the following technical solutions: a coal mine mechanical hydraulic support, comprising a support body and an adjustment mechanism arranged on the inner wall of the support body, wherein the adjustment mechanism comprises a rotating assembly;

[0008] The rotating assembly includes an adjusting threaded rod and a gear, the outer wall of the bracket body is rotatably connected to a rotating plate, the outer wall of the rotating plate is fixedly connected to a hydraulic rod, the output end of the hydraulic rod is fixedly connected to an adjusting plate rotatably connected to the outer wall of the rotating plate, the outer wall of the adjusting plate is rotatably connected to a mechanical rod, the outer wall of the bracket body is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to an adjusting threaded rod rotatably connected to the inner wall of the bracket body, the outer wall of the adjusting threaded rod is threadedly connected to a limit block slidably connected to the inner wall of the bracket body, the outer wall of the limit block is fixedly connected to a rack, and the outer wall of the rack is engaged with a gear rotatably connected to the inner wall of the bracket body.

[0009] Furthermore, the outer wall of the mechanical rod is detachably connected to a mounting plate, the outer wall of the mounting plate is provided with a coal mining roller, the outer wall of the mechanical rod is fixedly connected to a fixing box, the outer wall of the fixing box is fixedly connected to a servo motor, the output end of the servo motor is fixedly connected to a locking threaded rod rotatably connected to the inner wall of the fixing box, and the outer wall of the locking threaded rod is threadedly connected to a locking block slidably connected to the outer wall of the fixing box.

[0010] Furthermore, a limiting groove is provided at the connection portion between the inner wall of the bracket body and the limiting block.

[0011] Furthermore, the rotation center of the gear is fixedly connected to the rotating plate via a connecting shaft.

[0012] Furthermore, the rotation center of the rotating plate is arranged to coincide with the rotation center of the gear.

[0013] Furthermore, two groups of the engaging threaded rods are provided, and the rotation directions of the two groups of the engaging threaded rods are opposite.

[0014] Furthermore, a sliding groove is provided at the connection portion between the outer wall of the fixing box and the engaging block. The engaging blocks are provided in two groups, and the positions of the two groups of engaging blocks are symmetrical with respect to the central axis of the fixing box.

[0015] Furthermore, a clamping groove is provided at a connection position between the outer wall of the mounting plate and the locking block, and a connecting groove is provided at a connection position between the outer wall of the mechanical rod and the mounting plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The utility model adopts the setting of gears. When the ore layer in the mine is supported by a mechanical hydraulic support, in order to improve the adjustment effect of the horizontal direction of the support and improve the coal mining effect of the ore layers in different directions, the driving motor can be turned on to adjust the rotation of the threaded rod to drive the limit block to slide along the outer wall of the limit groove. The sliding of the limit block drives the gear to rotate through the sliding of the rack, thereby driving the rotating plate to rotate, thereby playing the role of adjusting the horizontal direction of the support, and realizing the control operation of improving the coal mining effect of the ore layers in different directions when the ore layer in the mine is supported by the mechanical hydraulic support.

[0018] 2. The utility model is provided with a locking block. When the ore layer in the mine is supported by a mechanical hydraulic support, in order to improve the convenience of installing and disassembling the coal mining roller and improving the convenience of repairing the coal mining roller, the servo motor can be turned on and the locking threaded rod is rotated to drive the locking block to slide along the outer wall of the slide groove, so that the locking block slides out of the slot and the mounting plate is pulled out of the connecting slot, thereby disassembling the coal mining roller and realizing a control operation that improves the convenience of repairing the coal mining roller when the ore layer in the mine is supported by a mechanical hydraulic support. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Schematic diagram of the three-dimensional structure of the bracket body;

[0020] Figure 2 is a schematic diagram of the three-dimensional structure of the bracket body in another direction;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the limit block and the gear;

[0022] Figure 4 A schematic diagram of the three-dimensional structure of the position distribution of the card slot and the connection slot;

[0023] Figure 5 It is a three-dimensional structural diagram showing the position distribution of the engaging threaded rod and the engaging block.

[0024] In the figure: 1. Bracket body; 11. Rotating plate; 12. Hydraulic rod; 13. Adjusting plate; 14. Mechanical rod; 15. Mounting plate; 16. Coal mining roller; 2. Driving motor; 21. Adjusting threaded rod; 22. Limiting block; 23. Limiting groove; 24. Rack; 25. Gear; 3. Fixing box; 31. Servo motor; 32. Engaging threaded rod; 33. Engaging block; 34. Slide; 35. Engaging groove; 36. Connecting groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.

[0026] Example 1

[0027] like Figure 1-Figure 3 As shown, a coal mine mechanical hydraulic support includes a support body 1 and an adjustment mechanism arranged on the inner wall of the support body 1, and the adjustment mechanism includes a rotating assembly;

[0028] The rotating assembly includes an adjusting threaded rod 21 and a gear 25. The outer wall of the bracket main body 1 is rotatably connected to the rotating plate 11, the outer wall of the rotating plate 11 is fixedly connected to the hydraulic rod 12, the output end of the hydraulic rod 12 is fixedly connected to the adjusting plate 13 rotatably connected to the outer wall of the rotating plate 11, the outer wall of the adjusting plate 13 is rotatably connected to the mechanical rod 14, the outer wall of the bracket main body 1 is fixedly connected to the driving motor 2, the output end of the driving motor 2 is fixedly connected to the adjusting threaded rod 21 rotatably connected to the inner wall of the bracket main body 1, the outer wall of the adjusting threaded rod 21 is threadedly connected to the limit block 22 slidably connected to the inner wall of the bracket main body 1, the outer wall of the limit block 22 is fixedly connected to the rack 24, and the outer wall of the rack 24 is engaged with the gear 25 rotatably connected to the inner wall of the bracket main body 1.

[0029] Furthermore, a limiting groove 23 is provided at the connection portion between the inner wall of the bracket body 1 and the limiting block 22. The limiting block 22 forms a sliding structure between the adjusting threaded rod 21 and the limiting groove 23, which is conducive to adjusting the rotation of the threaded rod 21 to drive the limiting block 22 to slide along the outer wall of the limiting groove 23, thereby realizing the control operation of the sliding of the rack 24.

[0030] Furthermore, the rotation center of the gear 25 is fixedly connected to the rotating plate 11 through the connecting shaft, and the gear 25 forms a rotating structure with the bracket body 1 through the limit block 22 and the rack 24, which is conducive to the sliding of the limit block 22 and the sliding of the rack 24 to drive the gear 25 to rotate, thereby realizing the control operation of the rotation of the rotating plate 11.

[0031] Furthermore, the rotation center of the rotating plate 11 is arranged to coincide with the rotation center of the gear 25, and the rotating plate 11 forms a rotating structure with the bracket body 1 through the gear 25, which is conducive to the setting of the rotation center of the rotating plate 11 and the rotation center of the gear 25 coinciding with each other, thereby realizing the control operation of improving the coal mining effect of the ore layers in different directions when supporting the ore layers in the mine through the mechanical hydraulic support.

[0032] Example 2

[0033] like Figure 1 、 Figure 2 、 Figure 4 and Figure 5 As shown, the utility model proposes a coal mine mechanical hydraulic support, compared with the embodiment 1, as another embodiment of the utility model, the outer wall of the mechanical rod 14 is detachably connected to the mounting plate 15, the outer wall of the mounting plate 15 is provided with a coal mining roller 16, the outer wall of the mechanical rod 14 is fixedly connected to the fixing box 3, the outer wall of the fixing box 3 is fixedly connected to the servo motor 31, the output end of the servo motor 31 is fixedly connected to the locking threaded rod 32 rotatably connected to the inner wall of the fixing box 3, the outer wall of the locking threaded rod 32 is threadedly connected to the locking block 33 slidably connected to the outer wall of the fixing box 3, and by setting the locking Block 33 is beneficial when the ore layer in the mine is supported by a mechanical hydraulic support. In order to improve the convenience of installing and disassembling the coal mining roller 16 and improving the convenience of repairing the coal mining roller 16, the servo motor 31 can be turned on to rotate the locking threaded rod 32 to drive the locking block 33 to slide along the outer wall of the slide groove 34, so that the locking block 33 slides out of the locking groove 35 and pulls the mounting plate 15 out of the connecting groove 36, thereby disassembling the coal mining roller 16 and realizing the control operation that improves the convenience of repairing the coal mining roller 16 when the ore layer in the mine is supported by a mechanical hydraulic support.

[0034] Furthermore, two groups of engaging threaded rods 32 are provided, and the rotation directions of the two groups of engaging threaded rods 32 are opposite, which is conducive to achieving control operations of the two groups of engaging blocks 33 with opposite sliding directions through the setting of the two groups of engaging threaded rods 32 with opposite rotation directions.

[0035] Furthermore, a sliding groove 34 is provided at the connection portion between the outer wall of the fixed box 3 and the locking block 33. There are two groups of locking blocks 33, and the position distribution of the two groups of locking blocks 33 is symmetrical about the central axis of the fixed box 3. The locking block 33 forms a sliding structure between the locking threaded rod 32 and the sliding groove 34, which is conducive to the rotation of the locking threaded rod 32 to drive the locking block 33 to slide along the outer wall of the sliding groove 34, thereby realizing the control operation of locking and fixing the mounting plate 15.

[0036] Furthermore, a slot 35 is provided at the connection between the outer wall of the mounting plate 15 and the locking block 33, and a connecting slot 36 is provided at the connection between the outer wall of the mechanical rod 14 and the mounting plate 15. The coal mining roller 16 forms a disassembly structure with the mechanical rod 14 through the locking block 33 and the slot 35, which is conducive to the sliding of the locking block 33, so that the locking block 33 slides out of the slot 35 and the mounting plate 15 is pulled out from the connecting slot 36, thereby disassembling the coal mining roller 16 and realizing control operations that improve the convenience of maintenance of the coal mining roller 16 when the ore layer in the mine is supported by a mechanical hydraulic support.

[0037] Working principle: When using this kind of coal mine mechanical hydraulic support, first, when supporting the ore layer in the mine by the mechanical hydraulic support, in order to improve the adjustment effect of the horizontal direction of the support and improve the coal mining effect of the ore layers in different directions, the drive motor 2 can be turned on to adjust the rotation of the threaded rod 21, driving the limit block 22 to slide along the outer wall of the limit groove 23. The sliding of the limit block 22 drives the gear 25 to rotate through the sliding of the rack 24, thereby driving the rotating plate 11 to rotate, playing the role of adjusting the horizontal direction of the support, and realizing the control operation of improving the coal mining effect of the ore layers in different directions when supporting the ore layer in the mine by the mechanical hydraulic support.

[0038] Finally, when the ore layer in the mine is supported by a mechanical hydraulic support, in order to improve the convenience of installing and disassembling the coal mining roller 16 and improving the convenience of repairing the coal mining roller 16, the servo motor 31 can be turned on to rotate the locking threaded rod 32 to drive the locking block 33 to slide along the outer wall of the slide groove 34, so that the locking block 33 slides out of the locking groove 35 and the mounting plate 15 is pulled out from the connecting groove 36, thereby disassembling the coal mining roller 16 and realizing the control operation that improves the convenience of repairing the coal mining roller 16 when the ore layer in the mine is supported by a mechanical hydraulic support.

[0039] This is the working principle of this kind of coal mine mechanical hydraulic support.

[0040] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A coal mine mechanical hydraulic support, comprising a support body (1) and an adjustment mechanism arranged on the inner wall of the support body (1), characterized in that: The adjustment mechanism includes a rotating assembly; The rotating assembly comprises an adjusting threaded rod (21) and a gear (25); the outer wall of the bracket body (1) is rotatably connected to a rotating plate (11); the outer wall of the rotating plate (11) is fixedly connected to a hydraulic rod (12); the output end of the hydraulic rod (12) is fixedly connected to an adjusting plate (13) rotatably connected to the outer wall of the rotating plate (11); the outer wall of the adjusting plate (13) is rotatably connected to a mechanical rod (14); the outer wall of the bracket body (1) is fixedly connected to a driving motor (2); the output end of the driving motor (2) is fixedly connected to an adjusting threaded rod (21) rotatably connected to the inner wall of the bracket body (1); the outer wall of the adjusting threaded rod (21) is threadedly connected to a limit block (22) slidably connected to the inner wall of the bracket body (1); the outer wall of the limit block (22) is fixedly connected to a rack (24); the outer wall of the rack (24) is engaged with a gear (25) rotatably connected to the inner wall of the bracket body (1).

2. A coal mine mechanical hydraulic support according to claim 1, characterized in that: The outer wall of the mechanical rod (14) is detachably connected to a mounting plate (15), the outer wall of the mounting plate (15) is provided with a coal mining roller (16), the outer wall of the mechanical rod (14) is fixedly connected to a fixing box (3), the outer wall of the fixing box (3) is fixedly connected to a servo motor (31), the output end of the servo motor (31) is fixedly connected to a locking threaded rod (32) rotatably connected to the inner wall of the fixing box (3), and the outer wall of the locking threaded rod (32) is threadedly connected to a locking block (33) slidably connected to the outer wall of the fixing box (3).

3. The coal mine mechanical hydraulic support according to claim 1, characterized in that: A limiting groove (23) is provided at the connection portion between the inner wall of the bracket body (1) and the limiting block (22).

4. A coal mine mechanical hydraulic support according to claim 1, characterized in that: The rotation center of the gear (25) is fixedly connected to the rotating plate (11) via a connecting shaft.

5. The coal mine mechanical hydraulic support according to claim 1, characterized in that: The rotation center of the rotating plate (11) is arranged to coincide with the rotation center of the gear (25).

6. A coal mine mechanical hydraulic support according to claim 2, characterized in that: The engaging threaded rods (32) are provided in two groups, and the rotation directions of the two groups of engaging threaded rods (32) are opposite.

7. The coal mine mechanical hydraulic support according to claim 2, characterized in that: A sliding groove (34) is provided at the connection portion between the outer wall of the fixed box (3) and the engaging block (33). Two groups of the engaging blocks (33) are provided, and the positions of the two groups of the engaging blocks (33) are symmetrical with respect to the central axis of the fixed box (3).

8. The coal mine mechanical hydraulic support according to claim 2, characterized in that: A clamping groove (35) is provided at the connection position between the outer wall of the mounting plate (15) and the locking block (33), and a connecting groove (36) is provided at the connection position between the outer wall of the mechanical rod (14) and the mounting plate (15).

Images