U-shaped shed anti-falling interlocking device for preventing and controlling water in coal mine

By designing a chain device suitable for U-shaped sheds, the problem of inconvenience of fixed connection is solved, convenient operation and support strength are achieved in the narrow space of the coal mine, and the safety and efficiency of coal mine water control operations are ensured.

CN223305747UActive Publication Date: 2025-09-05HUOZHOU COAL & ELECTRICITY GRP YUNXIA CONSTR ENG CO LTD WATER PREVENTION & CONTROL ENG TECH BRANCH
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Patent Information

Application Number
CN202423161370.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-09-05
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

The existing U-shaped shed support is inconvenient to fix the connection during coal mine detection, especially in small underground spaces, which affects the use effect.

Method used

A chain device including shed beam frame, fixing plate, fixing column, thread groove, rubber pad and screw is designed. Through the design of threaded connection and rubber pad, convenient fixing and anti-slip effects are achieved, and is suitable for operation in narrow underground spaces.

Benefits of technology

It improves the stability and safety of U-shaped shed support, reduces the impact of roof pressure on support, and ensures the safety and convenience of support operations.

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Abstract

The utility model discloses a U-shaped shed anti-falling interlocking device for coal mine water control, which belongs to the technical field of coal mine water control, and is characterized by comprising a shed beam frame, a locking block is arranged on the front side of the shed beam frame, two fixing plates are arranged on the rear side of the shed beam frame, and the locking block is arranged on the locking block. Fixing columns are fixedly connected to the two sides of the front sides of the fixing plates correspondingly, fixing rods are arranged on the front side of the shed beam frame, threaded grooves are formed in the surfaces of the fixing columns, a connecting rod is fixedly connected between the opposite sides of the two fixing plates, and first rubber pads are fixedly connected to the front sides of the two fixing plates correspondingly. The front side of the first rubber pad makes close contact with the rear side of the shed beam frame, and the problems that when an existing chain is used for fixedly connecting the shed beam frame, installation is inconvenient, a fixing rod for connecting a locking block is too long and not prone to being conveyed into a coal mine, operation is inconvenient in an underground narrow space, and therefore the using effect is affected are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of coal mine water prevention and control, in particular to a U-shaped shed anti-collapse interlocking device used for coal mine water prevention and control. Background Art

[0002] Coal mine water prevention and control technologies are divided into two aspects: preventing flood disasters from occurring and managing flood disasters that have already occurred. Prevention technologies include detection, prediction, and monitoring technologies, while management technologies involve response measures after flood disasters occur.

[0003] Usually during the detection process, when the coal mine adopts U-shaped shed support, when the roof pressure increases, the U-shaped shed support is easily tilted due to the pressure, and the pressure-bearing capacity is weakened, especially in the tunnels affected by mining. The maximum deformation of the tunnel is 500mm. In order to solve this problem, according to the actual situation on site, a chain anti-collapse device suitable for U-shaped shed support was invented. The U-shaped sheds in the weak support areas are chained to form a whole, which strengthens the support strength, reduces the risk factor, creates good conditions for normal support operations, and ensures operation safety.

[0004] When supporting the U-shaped shed, a shed beam frame is required for support, and a chain is required when supporting the shed beam frame. The existing chain is inconvenient to install when fixing the shed beam frame, and the fixed rod connecting the lock block is too long, which is not easy to transport into the coal mine and is inconvenient to operate in the narrow space underground. Utility Model Content

[0005] The utility model provides a U-shaped shed anti-collapse interlocking device for coal mine water prevention and control, which aims to solve the problems that the existing interlocking device is inconvenient to install when fixing the shed beam frame during the detection process, it is inconvenient to fix the screws in the dim underground environment, the length of the fixing rod connecting the locking block is too long, which is not easy to transport into the coal mine, and it is inconvenient to operate in the narrow underground space, thereby affecting the use effect.

[0006] The utility model is implemented as follows: a U-shaped shed anti-collapse interlocking device for coal mine water prevention and control includes a shed beam frame, a locking block is provided on the front side of the shed beam frame, a fixing plate is provided on the rear side of the shed beam frame, the number of the fixing plates is two, both sides of the front side of the fixing plate are fixedly connected with fixing columns, a fixing rod is provided on the front side of the shed beam frame, and a threaded groove is provided on the surface of the fixing column.

[0007] In order to achieve the effect of making the fixed plate anti-slip, as a preferred U-shaped shed anti-collapse interlocking device for coal mine water prevention and control of the utility model, a connecting rod is fixedly connected between the opposite sides of the two fixed plates, and the front sides of the two fixed plates are fixedly connected with a first rubber pad, and the front side of the first rubber pad is in close contact with the rear side of the shed beam frame.

[0008] In order to achieve the effect of limiting the fixed column, as a preferred U-shaped shed anti-collapse interlocking device for coal mine water prevention and control of the utility model, the four corners of the front side of the locking block are fixedly connected with fastening pads, and the front side of the fastening pad is rotatably connected with a screw. The front side of the fixed column passes through the locking block, the fastening pad and the screw in sequence and extends to the front side of the screw, and the screw is threadedly connected to the thread groove.

[0009] In order to achieve the anti-slip effect of the fixed rod, as a preferred U-shaped shed anti-collapse interlocking device for coal mine water prevention and control in the utility model, the rear side of the locking block is fixedly connected to a second rubber pad, and the rear side of the second rubber pad is in close contact with the surface of the fixed rod.

[0010] In order to achieve the effect of convenient connection between the two fixed rods, as a preferred U-shaped shed anti-collapse interlocking device for coal mine water prevention and control in the utility model, a threaded block is fixedly connected to the left side of the fixed rod, a threaded hole is opened inside the fixed rod, and the surface of the threaded block is threadedly connected to the inner wall of the threaded hole.

[0011] In order to achieve the effect of conveniently twisting the fixing rod, as a preferred U-shaped shed anti-collapse interlocking device for coal mine water prevention and control of the utility model, the surface of the fixing rod is fixedly connected with a twisting column, and the number of the twisting columns is four.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The U-shaped shed anti-fall interlocking device is configured such that a fixing plate is placed on the rear side of a shed beam frame so that a first rubber pad contacts the rear side of the shed beam frame, and then a locking block is aligned with a fixing column so that the front side of the fixing column passes through the locking block, the fastening pad, and the screw in sequence, so that the screw is threadedly connected to a thread groove on the surface of the fixing rod, and then a wrench is used to continue turning the screw so that a second rubber pad on the rear side of the locking block contacts closely with the surface of the fixing rod. At this time, the first rubber pad contacts closely with the rear side of the shed beam frame, and the connection between the locking block and the fixing rod can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the overall structural diagram of the U-shaped shed anti-fall interlocking device of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional connection between the fixing plate and the connecting rod in the present invention;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the locking block in the utility model;

[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the fixing rod in the present utility model;

[0018] Figure 5 It is a three-dimensional schematic diagram of the internal structure of the fixing rod in the utility model.

[0019] In the figure, 1. shed beam frame; 2. fixing plate; 3. fixing rod; 4. locking block; 5. screw column; 6. fixing column; 7. threaded groove; 8. connecting rod; 9. first rubber pad; 10. second rubber pad; 11. fastening pad; 12. screw; 13. threaded block; 14. threaded hole. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0021] In the description of the present invention, it should be understood that the terms "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

[0022] See also Figure 1-5 The utility model provides a technical solution: a U-shaped shed anti-collapse interlocking device for coal mine water prevention and control, comprising a shed beam frame 1, a locking block 4 is provided on the front side of the shed beam frame 1, a fixing plate 2 is provided on the rear side of the shed beam frame 1, the number of the fixing plates 2 is two, both sides of the front side of the fixing plate 2 are fixedly connected with fixing columns 6, a fixing rod 3 is provided on the front side of the shed beam frame 1, and a threaded groove 7 is provided on the surface of the fixing column 6.

[0023] In this embodiment: by placing the fixing plate 2 on the rear side of the shed beam frame 1, the first rubber pad 9 is in contact with the rear side of the shed beam frame 1, and then the locking block 4 is aligned with the fixing column 6, so that the front side of the fixing column 6 passes through the locking block 4, the fastening pad 11 and the screw 12 in sequence, so that the screw 12 is threadedly connected with the thread groove 7 opened on the surface of the fixing rod 3, and then the screw 12 is continued to be turned with a wrench so that the second rubber pad 10 on the rear side of the locking block 4 is in close contact with the surface of the fixing rod 3. At this time, the first rubber pad 9 will be in close contact with the rear side of the shed beam frame 1. At this time, the connection between the locking block 4 and the fixing rod 3 can be implemented on the excavation working face, and the methods such as tunnel reinforcement and stress observation are adopted. The interlocking anti-collapse device of the U-shaped shed support is used to interlock the U-shaped shed in the weak support area to make it a whole, thereby strengthening the support strength, reducing the risk factor, controlling the top plate, and ensuring safety.

[0024] As a technical optimization solution of the present invention, a connecting rod 8 is fixedly connected between the opposite sides of the two fixed plates 2, and the front sides of the two fixed plates 2 are fixedly connected to the first rubber pads 9, and the front sides of the first rubber pads 9 are in close contact with the rear side of the shed beam frame 1.

[0025] In this embodiment, after the screws 12 are tightened, the first rubber pad 9 will be in close contact with the rear side of the shed beam frame 1, so that the fixing plate 2 will not slide downward during use, thereby achieving an anti-slip effect for the fixing plate 2.

[0026] As a technical optimization solution of the present invention, the four corners of the front side of the locking block 4 are fixedly connected with fastening pads 11, the front side of the fastening pad 11 is rotatably connected with a screw 12, the front side of the fixing column 6 passes through the locking block 4, the fastening pad 11 and the screw 12 in sequence and extends to the front side of the screw 12, and the screw 12 is threadedly connected to the thread groove 7.

[0027] In this embodiment: by passing the front side of the fixing column 6 through the locking block 4, the fastening washer 11 and the screw 12 in sequence, the screw 12 is threadedly connected to the thread groove 7 opened on the surface of the fixing rod 3, and the fixing column 6 can be limited at this time, thereby achieving the effect of limiting the position of the fixing column 6.

[0028] As a technical optimization solution of the present invention, a second rubber pad 10 is fixedly connected to the rear side of the locking block 4 , and the rear side of the second rubber pad 10 is in close contact with the surface of the fixing rod 3 .

[0029] In this embodiment, after the screw 12 is tightened, the second rubber pad 10 is in close contact with the surface of the fixing rod 3 , thereby achieving an anti-slip effect on the fixing rod 3 .

[0030] As a technical optimization solution of the present invention, a threaded block 13 is fixedly connected to the left side of the fixing rod 3 , a threaded hole 14 is opened inside the fixing rod 3 , and the surface of the threaded block 13 is threadedly connected to the inner wall of the threaded hole 14 .

[0031] In this embodiment: by aligning the threaded block 13 with the threaded groove 7 and rotating the screw column 5, the screw column 5 can drive the fixing rod 3 to rotate, so that the threaded block 13 is in close contact with the threaded hole 14. At this time, the two fixing rods 3 can be connected, achieving the effect of convenient connection between the two fixing rods 3.

[0032] As a technical optimization solution of the present invention, a screwing post 5 is fixedly connected to the surface of the fixing rod 3, and the number of the screwing post 5 is four.

[0033] In this embodiment, the fixing column 6 can be conveniently twisted by holding the twisting column 5, thereby achieving the effect of conveniently twisting the fixing rod 3.

[0034] After that, screw 12 is screwed in the screw hole 14, and the screw 12 is screwed in the screw hole 15, and the two fixing rods 3 are connected.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A U-shaped shed anti-collapse interlocking device for preventing and controlling water in coal mines, comprising a shed beam frame (1), characterized in that: A locking block (4) is provided on the front side of the shed beam frame (1), a fixing plate (2) is provided on the rear side of the shed beam frame (1), two fixing plates (2) are provided, both sides of the front side of the fixing plate (2) are fixedly connected with fixing columns (6), a fixing rod (3) is provided on the front side of the shed beam frame (1), and a threaded groove (7) is provided on the surface of the fixing column (6).

2. The U-shaped shed anti-collapse interlocking device for coal mine water prevention and control according to claim 1 is characterized in that: A connecting rod (8) is fixedly connected between opposite sides of the two fixing plates (2), and a first rubber pad (9) is fixedly connected to the front sides of the two fixing plates (2), wherein the front side of the first rubber pad (9) is in close contact with the rear side of the shed beam frame (1).

3. The U-shaped shed anti-collapse interlocking device for coal mine water prevention according to claim 1 is characterized in that: The four corners of the front side of the locking block (4) are fixedly connected to fastening pads (11), and the front side of the fastening pads (11) is rotatably connected to a screw (12). The front side of the fixing column (6) passes through the locking block (4), the fastening pads (11) and the screw (12) in sequence and extends to the front side of the screw (12). The screw (12) is threadedly connected to the thread groove (7).

4. The U-shaped shed anti-collapse interlocking device for coal mine water prevention according to claim 1 is characterized in that: The rear side of the locking block (4) is fixedly connected to a second rubber pad (10), and the rear side of the second rubber pad (10) is in close contact with the surface of the fixing rod (3).

5. The U-shaped shed anti-collapse interlocking device for coal mine water prevention according to claim 1 is characterized in that: A threaded block (13) is fixedly connected to the left side of the fixing rod (3), a threaded hole (14) is provided inside the fixing rod (3), and a surface of the threaded block (13) is threadedly connected to the inner wall of the threaded hole (14).

6. The U-shaped shed anti-collapse interlocking device for coal mine water prevention according to claim 1, characterized in that: The surface of the fixing rod (3) is fixedly connected with a screwing post (5), and the number of the screwing posts (5) is four.