Mine surrounding rock reinforcing device
By using fixed pipes and movable rods to connect multiple extension plates in the mine surrounding rock reinforcement device, the problem of multiple supports squeezing space was solved, achieving more efficient mine surrounding rock reinforcement and improving production efficiency and economic benefits.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- INNER MONGOLIA YIDONG COAL GRP YAOGOU POVERTY ALLEVIATION COAL CO LTD
- Filing Date
- 2025-05-29
- Publication Date
- 2026-06-23
AI Technical Summary
During mine excavation, the use of multiple support pillars compresses the space at the bottom, causing inconvenience and affecting production efficiency and economic benefits.
A mine surrounding rock reinforcement device is designed. By installing multiple fixed pipes on the outer circumference of the connecting column, installing movable rods on the inner side of the fixed pipes, and installing extension plates on the top of the movable rods, a single connecting column can connect multiple extension plates, increasing the bottom space and improving ease of use.
The increased bottom space improves ease of use and production efficiency, thereby enhancing economic benefits.
Smart Images

Figure CN224396513U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mine excavation, and in particular to a mine surrounding rock reinforcement device. Background Technology
[0002] During mine excavation, the surrounding rock is prone to deformation or collapse due to rock stress and construction effects. Surrounding rock reinforcement technology effectively ensures the safe operation of the mine and reduces safety hazards for miners by enhancing the bearing capacity of the surrounding rock.
[0003] Reinforcing the surrounding rock extends the service life of the working face, improves tunneling efficiency, and reduces downtime and maintenance time caused by unstable surrounding rock, thereby improving overall production efficiency, reducing operating costs, and increasing the economic benefits of the coal mine. When reinforcing the surrounding rock, pillars and support plates are usually used for support. However, multiple pillars are required in use, which compresses the bottom space and makes it inconvenient to use. Utility Model Content
[0004] Purpose of the invention: The purpose of this utility model is to provide a device for reinforcing the surrounding rock of a mine.
[0005] Technical solution: Includes a support column, a support plate fixedly installed at the bottom of the support column, two fixed rods installed at the outer end of the support plate, a connecting column threadedly installed at the top of the support column, multiple fixed pipes fixedly installed on the outer circumference of the connecting column, a movable rod installed on the inner side of the fixed pipe, an extension plate fixedly installed at the top of the movable rod, the support column is fixedly installed on the top of the support plate by welding, and the shape of the extension plate is the same as the shape of the inner side of the surrounding rock of the mine.
[0006] By adopting the above technical solution, multiple fixed tubes are installed on the outer side of the connecting column, and movable rods are installed on the inner side of the fixed tubes. An extension plate is installed on the top of the movable rod, which enables a single connecting column to connect multiple extension plates, increases the space at the bottom, improves the convenience of use, and can effectively improve production efficiency and economic benefits.
[0007] Optionally, multiple conical blocks are fixedly installed on the bottom surface of the support plate, and the multiple conical blocks are fixedly installed on the bottom surface of the support plate by welding.
[0008] By adopting the above technical solution, multiple cone-shaped blocks are used to increase the contact area with the ground and improve the stability of the device.
[0009] Optionally, a turntable is fixedly installed on the top of the fixed rod, and a handle is fixedly installed on the top of the turntable. The handle is fixedly installed on the top of the turntable by bolts.
[0010] By adopting the above technical solution, the turntable rotates, which drives the rotation of the fixed rod, thus fixing the device on the ground.
[0011] Optionally, a stud is provided at the bottom of the connecting column. The stud is installed on the upper inner side of the support column and is fixedly installed at the bottom of the connecting column by welding.
[0012] By adopting the above technical solution, studs are used to connect support columns.
[0013] Optionally, a tightening position is provided in the middle of the outer side of the connecting post, and a locking nut is installed on the circumference of the stud. The outer side of the tightening position is hexagonal.
[0014] By adopting the above technical solution, the outer side of the tightening position is used for the locking wrench, which is used for fixing the connecting column during adjustment.
[0015] Optionally, a locking position is provided on the upper outer side of the support column, and the outer side of the locking position is hexagonal.
[0016] By adopting the above technical solution, the outer side of the locking position is used to lock the column wrench, thereby enabling the rotation of the support column.
[0017] Optionally, a fixing block is rotatably installed on the top of the connecting column, and a top plate is fixedly installed on the top surface of the fixing block. The top plate is fixedly installed on the top of the fixing block by bolts.
[0018] By adopting the above technical solution, the fixing block is used to connect the top plate and the connecting column.
[0019] Optionally, the movable rod is fixedly installed inside the fixed tube by bolt assembly, and the lower part of the movable rod and the upper part of the fixed tube are respectively provided with round holes.
[0020] By adopting the above technical solution, the movable rod and the fixed tube are fixed to achieve the height adjustment of the extension plate.
[0021] Beneficial effects: This utility model has multiple fixed tubes installed on the outer circumference of the connecting column, a movable rod installed on the inner side of the fixed tubes, and an extension plate installed on the top of the movable rod. This enables a single connecting column to connect multiple extension plates, increasing the space at the bottom, improving ease of use, and effectively improving production efficiency and economic benefits. Attached Figure Description
[0022] Figure 1 This is an overall structural diagram of an embodiment of the present utility model;
[0023] Figure 2 This is a structural diagram of the support plate according to an embodiment of the present utility model;
[0024] Figure 3 This is a diagram of the upper structure of an embodiment of the present utility model;
[0025] Figure 4 This is a structural diagram of the connecting column according to an embodiment of the present utility model;
[0026] Figure 5 This is a structural diagram of the extension plate according to an embodiment of the present utility model;
[0027] Explanation of reference numerals in the attached drawings: 1. Support column; 2. Support plate; 3. Connecting column; 4. Locking position; 5. Locking nut; 6. Tightening position; 7. Fixing rod; 8. Turntable; 9. Handle; 10. Conical block; 11. Top plate; 12. Extension plate; 13. Stud; 14. Movable rod; 15. Fixing tube; 16. Bolt assembly; 17. Fixing block. Detailed Implementation
[0028] To make the technical solution of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, such as... Figures 1 to 5 The invention includes a support column 1, a support plate 2 fixedly installed at the bottom of the support column 1, two fixing rods 7 installed at the outer end of the support plate 2, a connecting column 3 threadedly installed at the top of the support column 1, multiple fixing tubes 15 fixedly installed on the outer circumference of the connecting column 3, a movable rod 14 installed on the inner side of the fixing tubes 15, and an extension plate 12 fixedly installed on the top of the movable rod 14. This invention, by installing multiple fixing tubes 15 on the outer circumference of the connecting column 3, a movable rod 14 installed on the inner side of the fixing tubes 15, and an extension plate 12 installed on the top of the movable rod 14, enables a single connecting column 3 to connect multiple extension plates 12, increasing the bottom space, improving ease of use, and effectively improving production efficiency and economic benefits.
[0029] Multiple conical blocks 10 are fixedly installed on the bottom surface of the support plate 2. The multiple conical blocks 10 are used to increase the contact area with the ground and improve the stability of the device.
[0030] A turntable 8 is fixedly installed on the top of the fixed rod 7, and a handle 9 is fixedly installed on the top of the turntable 8. The turntable 8 rotates to drive the fixed rod 7 to rotate, so that the device is fixed on the ground.
[0031] A stud 13 is provided at the bottom of the connecting column 3. The stud 13 is installed on the upper inner side of the support column 1 and is used to connect the support column 1.
[0032] A tightening position 6 is provided on the outer middle of the connecting column 3, and a locking nut 5 is installed on the circumference of the stud 13. The outer side of the tightening position 6 is used for the locking wrench, which is used to fix the connecting column 3 when adjusting it.
[0033] A locking position 4 is provided on the upper outer side of the support column 1. The outer side of the locking position 4 is used to lock the column wrench, so as to realize the rotation of the support column 1.
[0034] A fixing block 17 is rotatably installed on the top of the connecting column 3, and a top plate 11 is fixedly installed on the top surface of the fixing block 17. The fixing block 17 is used to connect the top plate 11 and the connecting column 3.
[0035] The movable rod 14 is fixedly installed inside the fixed tube 15 by bolt group 16. The movable rod 14 and the fixed tube 15 are fixed together to realize the height adjustment of the extension plate 12.
[0036] The implementation principle of the mine surrounding rock reinforcement device in this application embodiment is as follows: When using the mine surrounding rock reinforcement device, first turn the handle 9 to rotate the turntable 8, which in turn rotates the fixed rod 7, and the support plate 1 is fixed on the ground. According to the usage requirements and the area to be used, select an appropriate number of extension plates 12, so that the movable rod 14 is installed in the fixed pipe 15 and fixed with bolt group 16 to complete the initial fixation. Then, support the extension plate with a wooden rod, use a wrench to lock the tightening position 6, use another wrench to lock the outside of the locking position 4, and tighten the tightening position 6 to raise the connecting column 3, so that the top plate 11 is pressed against the top of the inner side of the mine surrounding rock. Then, remove the bolt group 16, adjust the position of the movable rod 14 in the fixed pipe 15, and use the bolt group 16 to complete the final fixation, so that the extension plate supports the inner side of the mine surrounding rock and completes the reinforcement of the mine surrounding rock.
[0037] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims.
Claims
1. A mine surrounding rock reinforcement device, characterized in that: It includes a support column (1), a support plate (2) is fixedly installed at the bottom of the support column (1), two fixing rods (7) are installed at the outer end of the support plate (2), a connecting column (3) is threadedly installed at the top of the support column (1), multiple fixing tubes (15) are fixedly installed on the outer circumference of the connecting column (3), a movable rod (14) is installed on the inner side of the fixing tube (15), and an extension plate (12) is fixedly installed at the top of the movable rod (14).
2. The mine surrounding rock reinforcement device according to claim 1, characterized in that: The bottom surface of the support plate (2) is fixedly equipped with multiple conical blocks (10).
3. The mine surrounding rock reinforcement device according to claim 1, characterized in that: A turntable (8) is fixedly installed on the top of the fixed rod (7), and a handle (9) is fixedly installed on the top of the turntable (8).
4. The mine surrounding rock reinforcement device according to claim 1, characterized in that: The bottom of the connecting column (3) is provided with a stud (13), which is installed on the upper inner side of the support column (1).
5. A mine surrounding rock reinforcement device according to claim 4, characterized in that: The connecting post (3) has a tightening position (6) in the middle of its outer side, and a locking nut (5) is installed on the circumference of the stud (13).
6. A mine surrounding rock reinforcement device according to claim 1, characterized in that: The upper outer side of the support column (1) is provided with a locking position (4).
7. A mine surrounding rock reinforcement device according to claim 1, characterized in that: A fixing block (17) is rotatably installed on the top of the connecting column (3), and a top plate (11) is fixedly installed on the top surface of the fixing block (17).
8. A mine surrounding rock reinforcement device according to claim 1, characterized in that: The movable rod (14) is fixedly installed inside the fixed tube (15) by bolt group (16).