Supporting column for side wall of coal mine

Abstract

The utility model discloses a coal mine side wall support pillar, relates to coal mine support technical field, including outer cylinder and side wall protection plate, the outer cylinder close to the side wall equidistantly set up on the two sides of coal mine tunnel, the bottom of outer cylinder is equipped with the plug-in fixed subassembly, the plug-in fixed subassembly is plugged on the ground, the side wall protection plate is equipped with the plug-in fixed subassembly, the plug-in fixed subassembly is equipped with the plug-in fixed subassembly, and the plug-in fixed subassembly is equipped with the plug-in fixed subassembly. Through the arrangement of the blocking frame, the outer column casing, the insertion fixing assembly, the hook and the side wall protection plate, supporting and protection of the side wall of a coal mine can be achieved, the side wall protection plate can be easily detached and separated from the blocking frame and the outer column casing, recycling after use and maintenance and replacement in the use process are facilitated, and the service life of the side wall protection plate is prolonged. Through the arrangement of the threaded rod and the top head, the top head can abut against the top of the coal mine tunnel, so that the supporting column can abut against the top and the bottom more firmly, the threaded rod can adjust the height of the top head, the requirement for supporting the side walls of the coal mine tunnels with different heights is met, and the application range of the supporting device is wider.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine support, in particular to a coal mine side wall support column. Background Art

[0002] Coal mine support is an important part of ensuring safe and efficient production in coal mines. By adopting reasonable support methods, the bearing capacity of the coal wall can be effectively improved, coal blocks and roof collapse can be prevented, and safety protection can be provided for coal mining operations.

[0003] In the specific process of coal mining, it is usually necessary to use more support columns to support the side walls of the coal mine. After searching, the patent authorization announcement No. CN219754557U discloses a coal mine side wall support column, "including a bottom plate, the top of the bottom plate is provided with two symmetrical holes, one side of the top of the bottom plate is fixedly connected with an inclined support column body, and the top of the support column body is fixedly connected with a side wall support plate, a top plate parallel to the bottom plate is fixedly arranged directly above the bottom plate, and the bottom of the top plate is slidably connected with two symmetrical rod bodies respectively located directly above the corresponding holes in the vertical direction", but the above-mentioned existing support column structures are directly fixed together, and when local damage occurs during use and needs to be replaced or transported, it is inconvenient to disassemble, resulting in a short service life of the support column and inconvenience in movement. Utility Model Content

[0004] The utility model aims to provide a coal mine side wall support column to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A coal mine side wall support column, comprising an outer column tube and a side wall protection plate, the outer column tube is arranged at equal intervals on both sides of the coal mine tunnel, close to the side walls, a plug-in fixing component is installed at the bottom of the outer column tube, the plug-in fixing component is plugged into the ground, two hooks are installed on the outer column tube in alignment up and down, a baffle is arranged between two adjacent outer column tubes, the two ends of the baffle are arranged on two adjacent hooks at the same height, a side wall protection plate is arranged on the baffle, a bolt fixing component is arranged between the side wall protection plate and the baffle, and the side wall protection plate is fixedly connected to the baffle through the bolt fixing component, a threaded rod is arranged on the outer column tube, the threaded rod is threadedly connected to the outer column tube, and a head is installed on the top of the threaded rod.

[0007] As a further solution of the utility model: toggle rods are installed on both sides of the top of the threaded rod.

[0008] As a further solution of the utility model: the top head is a hemispherical head.

[0009] As a further solution of the utility model: the blocking frame includes a horizontal blocking rod and a vertical blocking rod, two vertical blocking rods are welded on the same side of the horizontal blocking rod, and both ends of the horizontal blocking rod are hung on hooks.

[0010] As a further solution of the utility model: the bolt fixing assembly includes a screw rod and a nut, the screw rod is fixedly installed on the back of the side wall protection plate, and the screw rod passes through the corresponding through hole opened on the vertical blocking rod and is threadedly connected with the nut.

[0011] As a further solution of the utility model: the plug-in fixing assembly includes a plate body, a plug rod and a conical plug, the bottom of the plate body is equipped with a plug rod, the bottom of the plug rod is equipped with a conical plug, and the surface of the plug rod is provided with threads.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model can realize the support and protection of the side wall of the coal mine by arranging a retaining frame, an outer column, a plug-in fixing component, a hook and a side wall protection plate, and the side wall protection plate of the utility model can be easily disassembled and separated from the retaining frame and the outer column, which is convenient for recycling after use and maintenance and replacement during use.

[0014] 2. The utility model is provided with a threaded rod and a top head, and the top head can be pressed against the top of the coal mine tunnel, so that the support column can be installed more firmly up and down. The threaded rod can adjust the height of the top head to meet the side wall support needs of coal mine tunnels of different heights, making the utility model more applicable.

[0015] 3. The two adjacent outer columns of the utility model are connected together, which can improve the integrity of the entire supporting structure of the coal mine side wall and make the supporting capacity of each supporting column stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The first structural schematic diagram of a coal mine side wall support column.

[0017] Figure 2 This is a second structural schematic diagram of a coal mine side wall support column.

[0018] Figure 3 It is a schematic diagram of the third structure of a coal mine side wall support column.

[0019] 1. Outer cylinder; 2. Plug-in fixing assembly; 201. Plate body; 202. Insert rod; 203. Conical plug; 3. Hook; 4. Stop frame; 401. Horizontal stop rod; 402. Vertical stop rod; 5. Bolt fixing assembly; 501. Screw rod; 502. Nut; 6. Side wall protection plate; 7. Threaded rod; 8. Head; 9. Toggle rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 In the embodiment of the utility model, a coal mine side wall support column comprises an outer column tube 1 and a side wall protection plate 6. The outer column tube 1 is arranged at equal intervals close to the side walls on both sides of the coal mine tunnel. Two hooks 3 are installed on the outer column tube 1 in an aligned manner up and down. A blocking frame 4 is arranged between two adjacent outer column tubes 1. The two ends of the blocking frame 4 are arranged on two adjacent hooks 3 at the same height. The side wall protection plate 6 is arranged on the blocking frame 4. A bolt fixing assembly 5 is arranged between the side wall protection plate 6 and the blocking frame 4. The bolt fixing assembly 5 comprises a screw rod 501 and a nut 502. The screw 501 is fixedly installed on the back of the side wall protection plate 6. The screw 501 penetrates the corresponding through hole on the vertical blocking rod 402 and is threadedly connected with the nut 502. The side wall protection plate 6 is fixedly connected to the blocking frame 4 through the bolt fixing assembly 5. The blocking frame 4 comprises a horizontal blocking rod 401 and a vertical blocking rod 402. Two vertical blocking rods 402 are welded on the same side of the horizontal blocking rod 401, and the two ends of the horizontal blocking rod 401 are hung on the hook 3.

[0022] See also Figure 1 and Figure 3 A threaded rod 7 is arranged on the outer column tube 1, and the threaded rod 7 is threadedly connected to the outer column tube 1. A top head 8 is installed on the top of the threaded rod 7, and toggle rods 9 are installed on both sides of the top of the threaded rod 7. The setting of the toggle rod 9 can facilitate personnel to rotate and adjust the threaded rod 7. The top head 8 is a hemispherical head. This design allows the top head 8 to adapt to different shapes of coal mine tunnel top surfaces, making the support column more adaptable.

[0023] See also Figure 1-2 A plug-in fixing component 2 is installed at the bottom of the outer column 1, and the plug-in fixing component 2 is plugged into the ground. The plug-in fixing component 2 includes a plate body 201, a plug rod 202 and a conical plug 203. The plate body 201 is used to increase the contact area between the plug rod 202 and the ground, realize the side support of the support column, and reduce the risk of the support column tilting. The plug rod 202 is installed at the bottom of the plate body 201, and the conical plug 203 is installed at the bottom of the plug rod 202. The conical design can better facilitate the insertion of the plug rod 202. The surface of the plug rod 202 is provided with a thread. The setting of the thread can make the plug rod 202 have a larger contact surface with the underground soil after being inserted into the ground, and the connection is more secure.

[0024] The working principle of the utility model is:

[0025] When in use, first set the outer column tube 1 at equal intervals on both sides of the coal mine tunnel, then plug the plug-in fixing component 2 into the ground to keep the support column stable, then adjust the threaded rod 7 by the toggle rod 9, and the threaded rod 7 drives the top head 8 to rise by cooperating with the thread of the outer column tube 1 until the top head 8 abuts against the top of the coal mine tunnel, then the four threaded rods 7 on the side wall protection plate 6 are passed through the corresponding through holes on the baffle frame 4, and the side wall protection plate 6 and the baffle frame 4 are fixed by nuts 502, and then the baffle frame 4 is installed between two adjacent outer column tubes 1, so that the two ends of the baffle frame 4 are clamped on the hooks 3 on both sides, so that the side wall of the coal mine tunnel can be supported by the outer column tube 1 and the side wall protection plate 6, and at the same time, the top of the coal mine tunnel is supported by the top head 8 and the overall stability of the support column is improved.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A coal mine side wall support column, comprising an outer column tube (1) and a side wall protection plate (6), characterized in that: The outer column (1) is arranged at equal intervals on both sides of the coal mine tunnel, close to the side walls. A plug-in fixing component (2) is installed at the bottom of the outer column (1), and the plug-in fixing component (2) is plugged into the ground. Two hooks (3) are installed on the outer column (1) in an aligned manner. A baffle (4) is arranged between two adjacent outer column tubes (1). Both ends of the baffle (4) are arranged on two adjacent hooks (3) at the same height. A side wall protection plate (6) is arranged on the baffle (4). A bolt fixing component (5) is arranged between the side wall protection plate (6) and the baffle (4), and the side wall protection plate (6) is fixedly connected to the baffle (4) through the bolt fixing component (5). A threaded rod (7) is arranged on the outer column (1), and the threaded rod (7) is threadedly connected to the outer column (1). A top head (8) is installed on the top of the threaded rod (7).

2. A coal mine side wall support column according to claim 1, characterized in that: Toggle rods (9) are installed on both sides of the top of the threaded rod (7).

3. A coal mine side wall support column according to claim 1, characterized in that: The top head (8) is a hemispherical head.

4. A coal mine side wall support column according to claim 1, characterized in that: The blocking frame (4) comprises a transverse blocking rod (401) and a vertical blocking rod (402); two vertical blocking rods (402) are welded on the same side of the transverse blocking rod (401); and both ends of the transverse blocking rod (401) are hung on the hook (3).

5. A coal mine side wall support column according to claim 1, characterized in that: The bolt fixing assembly (5) comprises a screw rod (501) and a nut (502). The screw rod (501) is fixedly mounted on the back of the side wall protection plate (6). The screw rod (501) passes through a corresponding through hole on the vertical blocking rod (402) and is threadedly connected to the nut (502).

6. A coal mine side wall support column according to claim 1, characterized in that: The plug-in fixing assembly (2) comprises a plate body (201), an insertion rod (202) and a conical plug (203); the insertion rod (202) is installed at the bottom of the plate body (201); the conical plug (203) is installed at the bottom of the insertion rod (202); and threads are arranged on the surface of the insertion rod (202).

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