Supporting structure for preventing rock burst of mine

Abstract

A mine rock burst prevention supporting structure relates to the field of coal mining equipment. A base is fixedly connected to the lower portion of the frame body, a roller sliding hole is formed in the upper portion of the base, a roller is slidably connected to the inner side of the roller sliding hole, a pointed drill rod is slidably connected to the middle of the roller, a threaded conversion hole is rotatably connected to the outer side of the middle end of the pointed drill rod, and a sliding fixing groove is rotatably connected to the upper portion of the pointed drill rod. A lower pressing rod is fixedly connected to the upper portion of the sliding fixing groove, rectangular sliding lower pressing rods are fixedly connected to the two ends of the lower pressing rod, and sliding grooves are slidably connected to the two ends of the lower pressing rod and the two ends of the rectangular sliding lower pressing rods. By means of the device, equipment can be conveniently moved, in the using process, upward movement of the rolling wheels, downward pressing of the pointed drill rod into the ground and fixing of the equipment are electrically achieved, when the equipment is moved, the pointed drill rod is retracted, the rolling wheels move downwards, moving is convenient, the equipment working efficiency can be improved, and manpower and material resources are saved.

Description

Technical Field

[0001] The present application belongs to the technical field of coal mining equipment, and specifically relates to a mine support structure for preventing and controlling rock burst. Background Art

[0002] Mine rock burst support is an important part of coal mine safety production. Mine rock burst support needs to start from optimizing design, taking effective measures, strengthening monitoring and early warning, strengthening production management and strengthening team building to ensure coal mine safety production.

[0003] For example, the application with publication number CN219888069U discloses a support device for preventing and controlling rock burst in coal mines, comprising a base plate, a support assembly, a top frame and a lifting drive assembly. There are two base plates, and a support assembly is provided on each base plate. The support assembly comprises a lifting frame. The top frame is fixedly provided on the top of the two lifting frames. Two lifting drive assemblies are provided between the two support assemblies, and the lifting drive assemblies are connected to the same-side ends of the two lifting frames to drive the two lifting frames to move up and down. The beneficial effect is that the support device strengthens the support system at the top of the mine tunnel with a simple and reliable structure, thereby preventing and controlling the disastrous consequences caused by rock burst to a greater extent, and can adaptively adjust the height of the support device according to the distance between the top of the mine tunnel and the ground, and has a wider range of applications.

[0004] However, the equipment in this application is inconvenient to move, time-consuming and labor-intensive, and requires manpower to fix and remove the anchors, which consumes manpower and material resources and has low equipment utilization efficiency. Summary of the Invention

[0005] The purpose of this application is to provide a mine rock burst support structure in order to solve the above-mentioned problems.

[0006] The technical solution adopted in this application is as follows: A mine impact prevention and control support structure includes an equipment main body frame, a base is fixedly connected to the bottom of the frame, a roller slide hole is opened above the base, a roller is slidably connected to the inner side of the roller slide hole, a pointed drill rod is slidably connected in the middle of the roller, a threaded conversion hole is rotatably connected to the outer side of the middle end of the pointed drill rod, a sliding fixed groove is rotatably connected to the top of the pointed drill rod, a lower pressure rod is fixedly connected above the sliding fixed groove, both ends of the lower pressure rod are fixedly connected to rectangular sliding lower pressure rods, and both ends of the lower pressure rod and the rectangular sliding lower pressure rod are slidably connected with slide grooves.

[0007] The outer side of the roller is slidingly connected to the roller sliding hole, and the rotation of the pointed drill rod will drive the threaded hole to move up. The device can be easily moved around, and during use, the roller is electrically moved up, and the pointed drill rod is pressed down into the ground to fix the equipment. When the equipment is in use, the pointed drill rod is retracted and the roller is moved down to facilitate movement, thereby improving the working efficiency of the equipment and saving manpower and material resources.

[0008] In a preferred embodiment, sliding grooves are provided on both inner sides of the frame.

[0009] By adopting the above technical solution, the down-pressing rod and the rectangular sliding down-pressing rod can be moved up and down, thereby transmitting down-pressing force and up-lifting force to the pointed drill rod.

[0010] In a preferred embodiment, a threaded conversion hole is provided on the upper side of the fixing rod, and both ends of the fixing rod are fixedly connected to the frame.

[0011] By adopting the above technical solution, the downward pressure and upward lifting force of the pointed drill rod can be partially converted into rotation.

[0012] In a preferred embodiment, a support fixing frame is slidably connected to the interior of the upper side of the frame body, and a main support cross bar is fixedly connected to the upper side of the support fixing frame.

[0013] By adopting the above technical solution, the upper structure can be lifted up to achieve the supporting effect.

[0014] In a preferred embodiment, the inner side of the frame is rotatably connected to a reverse screw rod, the outer side of the reverse screw rod is slidably connected to an upper and lower rotating sliding block, the upper part of the upper and lower rotating sliding block is rotatably connected to a force transmission connecting rod, the upper part of the force transmission connecting rod is rotatably connected to a lower rotating sliding block, the inner side of the lower rotating sliding block is slidably connected to a fixed sliding rod, and the two ends of the fixed sliding rod are fixedly connected to a supporting fixed frame.

[0015] By adopting the above technical solution, the support fixing frame can be raised and lowered by rotating the reverse screw rod and transmitting the force transmission connecting rod, thereby achieving the supporting function.

[0016] In a preferred embodiment, the lower portion of the upper and lower rotating sliding blocks is rotatably connected to a force transmission connecting rod, the lower portion of the force transmission connecting rod is slidably connected to an upper rotating sliding block, and the inner side of the upper rotating sliding block is slidably connected to a rectangular sliding downward pressure rod.

[0017] By adopting the above technical solution, the rectangular sliding push rod and the push rod can be raised and moved downward by rotating the reverse screw rod and transmitting the force transmission connecting rod.

[0018] In a preferred embodiment, a motor is fixedly connected to the back side of the frame.

[0019] By adopting the above technical solution, power is provided for the operation of the entire equipment.

[0020] In a preferred embodiment, a threaded hole is opened on the inner side of the roller, and a pointed drill rod is rotatably connected to the inner side of the threaded hole.

[0021] By adopting the above technical solution, the roller can be retracted to achieve the movement and anchoring of the entire equipment.

[0022] In a preferred embodiment, an auxiliary support cross bar sliding groove is opened on the inner side of the supporting fixing frame, and an auxiliary support cross bar is slidably connected to the inner side of the auxiliary support cross bar sliding groove.

[0023] By adopting the above technical solution, the auxiliary support cross bar can be manually pulled open to widen the support area of the equipment and improve the efficiency of equipment use.

[0024] The beneficial effects of the present invention are:

[0025] The outer side of the roller is slidingly connected to the roller sliding hole, and the rotation of the pointed drill rod will drive the threaded hole to move up. The device can be easily moved around, and during use, the roller is electrically moved up, and the pointed drill rod is pressed down into the ground to fix the equipment. When the equipment is in use, the pointed drill rod is retracted and the roller is moved down to facilitate movement, thereby improving the working efficiency of the equipment and saving manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall top view of the device of this application;

[0027] Figure 2 This is a schematic diagram of the overall structure of the device in this application from a bottom view;

[0028] Figure 3 This is a schematic diagram of the device frame structure in this application;

[0029] Figure 4 This is a schematic diagram of the connection structure between the pointed drill rod and the roller in this application;

[0030] Figure 5 This is a schematic diagram of the transmission structure in this application;

[0031] Figure 6 This is a schematic diagram of the auxiliary support cross bar support structure in this application.

[0032] Markings in the figure: 1. Frame; 2. Base; 3. Roller slide hole; 4. Roller; 5. Pointed drill rod; 6. Sliding fixed groove; 7. Threaded conversion hole; 8. Down-pressure rod; 9. Fixed rod; 10. Motor; 11. Support fixing frame; 12. Main support cross bar; 13. Auxiliary support cross bar slide groove; 14. Auxiliary support cross bar; 15. Reverse screw; 16. Force transmission connecting rod; 17. Lower rotating sliding block; 18. Threaded hole; 19. Slide groove; 20. Up and down rotating sliding block; 21. Rectangular sliding down-pressure rod; 22. Fixed slide rod; 23. Upper rotating sliding block. DETAILED DESCRIPTION

[0033] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0034] Example:

[0035] Reference Figure 1-5 A mine impact ground pressure support structure includes a main frame 1 of the equipment, a base 2 is fixedly connected to the bottom of the frame 1, a roller sliding hole 3 is opened above the base 2, a roller 4 is slidably connected to the inner side of the roller sliding hole 3, a pointed drill rod 5 is slidably connected in the middle of the roller 4, and a threaded conversion hole 7 is rotatably connected to the outer side of the middle end of the pointed drill rod 5, and a sliding fixed groove 6 is rotatably connected to the top of the pointed drill rod 5, and a lower pressure rod 8 is fixedly connected above the sliding fixed groove 6, and a rectangular sliding lower pressure rod 21 is fixedly connected at both ends of the lower pressure rod 8, and a slide groove 19 is slidably connected to both ends of the lower pressure rod 8 and the rectangular sliding lower pressure rod 21, which is convenient for movement and can improve the working efficiency of the equipment.

[0036] Reference Figure 1-5 During operation, the equipment is pushed to the place where support is required, and the motor is turned on. The reverse screw rod 15 will rotate, driving the upper and lower rotating sliding blocks 20 to move inward in both directions. The upper rotating sliding block 23 will be driven to slide inward and press downward through the force transmission connecting rod 16, thereby pressing the rectangular sliding pressing rod 21 downward. The rectangular sliding pressing rod 21 is fixedly connected to the pressing rod 8, and is slidably connected to the slide groove 19 opened on the frame 1. The pressing rod 8 will move downward, and the sliding fixed groove 6 is fixedly connected to the bottom of the pressing rod 8. The upper part of the pointed drill rod 5 is rotated and connected with the sliding fixed groove 6, which will drive the pointed drill rod 5 downward to transmit the downward force.

[0037] Reference Figure 1-5 The middle outer side of the pointed drill rod 5 is slidably connected with a threaded conversion hole 7 and the thread on the pointed drill rod 5. The threaded conversion hole 7 is fixed to the fixing rod 9, which causes the pointed drill rod 5 to rotate and press downward. The outer side of the lower end of the pointed drill rod 5 is slidably connected with a threaded hole 18. The inner side of the roller 4 is provided with a threaded hole 18. The outer side of the roller 4 is slidably connected with a roller sliding hole 3. The rotation of the pointed drill rod 5 will drive the threaded hole 18 to move upward. This device can be used to conveniently move the equipment. During use, the roller 4 is electrically moved upward, and the pointed drill rod 5 is pressed downward and rotated into the ground to fix the equipment. When the equipment is used, the pointed drill rod 5 is folded up and the roller 4 is moved downward to facilitate movement, thereby improving the working efficiency of the equipment and saving manpower and material resources.

[0038] Reference Figure 1-5 , slide grooves 19 are provided on both sides of the inner side of the frame body 1. The pressing rod 8 and the rectangular sliding pressing rod 21 can be moved up and down to transmit the downward pressure and the upward lifting force to the pointed drill rod 5.

[0039] Reference Figure 1-3 The upper side of the fixing rod 9 is provided with a threaded conversion hole 7, and both ends of the fixing rod 9 are fixedly connected to the frame 1. The downward pressure and upward lifting force of the pointed drill rod 5 are partially converted into rotation.

[0040] Reference Figure 1-3 The upper side of the frame body 1 is slidably connected to a support fixing frame 11, and the upper part of the support fixing frame 11 is fixedly connected to the main support cross bar 12. The upper structure can be lifted to achieve the supporting effect.

[0041] Reference Figure 1-5 The inner side of the frame body 1 is rotatably connected to a reverse screw rod 15, and the outer side of the reverse screw rod 15 is slidably connected to an up-and-down rotating sliding block 20. The upper side of the up-and-down rotating sliding block 20 is rotatably connected to a force transmission link 16, and the upper side of the force transmission link 16 is rotatably connected to a lower rotating sliding block 17. The inner side of the lower rotating sliding block 17 is slidably connected to a fixed slide rod 22, and both ends of the fixed slide rod 22 are fixedly connected to the support frame 11. The support frame 11 is raised and lowered by the rotation of the reverse screw rod 15 and the transmission of the force transmission link 16, thereby achieving the support function.

[0042] Reference Figure 1-5 The lower part of the up-down rotating sliding block 20 is rotatably connected to the force transmission link 16, and the lower part of the force transmission link 16 is slidably connected to the upper rotating sliding block 23. The inner side of the upper rotating sliding block 23 is slidably connected to the rectangular sliding pressing rod 21. The rectangular sliding pressing rod 21 and the pressing rod 8 are raised and lowered by the rotation of the reverse screw rod 15 and the transmission of the force transmission link 16.

[0043] Reference Figure 1-3 The back side of the frame 1 is fixedly connected with a motor 10 to provide power for the operation of the entire device.

[0044] Reference Figure 1-4 The inner side of the roller 4 is provided with a threaded hole 18, and the inner side of the threaded hole 18 is rotatably connected to the pointed drill rod 5. The roller 4 can be retracted to achieve the movement and anchoring of the entire equipment.

[0045] Reference Figure 1-6 The auxiliary support cross bar 14 can be used to widen the support bar to increase the support capacity.

[0046] Reference Figure 1-6The inner side of the support frame 11 is provided with an auxiliary support cross bar slot 13, and the inner side of the auxiliary support cross bar slot 13 is slidably connected with an auxiliary support cross bar 14. The auxiliary support cross bar 14 can be manually opened to widen the support area of the equipment and improve the efficiency of the equipment.

[0047] The implementation principle of the embodiment of the mine rock burst support structure of the present application is as follows:

[0048] During operation of the equipment, the equipment is pushed to the place where support is required, the motor is turned on, the reverse screw rod 15 will rotate, driving the upper and lower rotating sliding blocks 20 to move inward in both directions, and the upper rotating sliding block 23 will be driven to slide inward and press downward through the force transmission link 16, thereby pressing down the rectangular sliding pressing rod 21. The rectangular sliding pressing rod 21 is fixedly connected to the pressing rod 8 and is slidably connected to the sliding groove 19 opened on the frame 1. The pressing rod 8 will move downward, and the sliding fixing groove 6 is fixedly connected to the bottom of the pressing rod 8. The top of the pointed drill rod 5 is connected to a sliding fixed groove 6 when it rotates, which will drive the pointed drill rod 5 downward. The middle outer side of the pointed drill rod 5 is slidably connected to a threaded conversion hole 7 and the thread on the pointed drill rod 5. The threaded conversion hole 7 is fixed to the fixing rod 9, which causes the pointed drill rod 5 to rotate and press downward. The outer side of the lower end of the pointed drill rod 5 is slidably connected to a threaded hole 18. The inner side of the roller 4 is provided with a threaded hole 18. The outer side of the roller 4 is slidably connected to a roller sliding hole 3. The rotation of the pointed drill rod 5 will drive the threaded hole 18 to move upward. The device can be easily moved. During use, the roller 4 is electrically moved upward, and the pointed drill rod 5 is pressed down and rotated into the ground to fix the device. When the device is used, the pointed drill rod 5 is folded up and the roller 4 is moved down to facilitate movement, which can improve the working efficiency of the equipment and save manpower and material resources.

[0049] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A mine rock burst support structure, comprising a main frame (1) of the equipment, characterized in that: The frame (1) is fixedly connected to a base (2) at the bottom, a roller sliding hole (3) is provided at the top of the base (2), a roller (4) is slidably connected to the inner side of the roller sliding hole (3), a pointed drill rod (5) is slidably connected to the middle of the roller (4), a threaded conversion hole (7) is rotatably connected to the outer side of the middle end of the pointed drill rod (5), a sliding fixed groove (6) is rotatably connected to the top of the pointed drill rod (5), a lower pressure rod (8) is fixedly connected to the top of the sliding fixed groove (6), both ends of the lower pressure rod (8) are fixedly connected to rectangular sliding lower pressure rods (21), and both ends of the lower pressure rod (8) and the rectangular sliding lower pressure rod (21) are slidably connected to a slide groove (19).

2. A mine rock burst support structure according to claim 1, characterized in that: Slide grooves (19) are provided on both inner sides of the frame (1).

3. The mine rock burst support structure according to claim 1, characterized in that: The inner side of the frame (1) is fixedly connected to the two ends of a fixing rod (9), and the upper side of the fixing rod (9) is provided with a through-going threaded conversion hole (7).

4. The mine rock burst support structure according to claim 1, characterized in that: A supporting and fixing frame (11) is slidably connected to the interior of the upper side of the frame body (1), and a main supporting cross bar (12) is fixedly connected above the supporting and fixing frame (11).

5. The mine rock burst support structure according to claim 1, characterized in that: The inner side of the frame body (1) is rotatably connected to a reverse screw rod (15), the outer side of the reverse screw rod (15) is slidably connected to an upper and lower rotating sliding block (20), the upper side of the upper and lower rotating sliding block (20) is rotatably connected to a force transmission connecting rod (16), the upper side of the force transmission connecting rod (16) is rotatably connected to a lower rotating sliding block (17), the inner side of the lower rotating sliding block (17) is slidably connected to a fixed sliding rod (22), and both ends of the fixed sliding rod (22) are fixedly connected to the support fixed frame (11).

6. A mine rock burst support structure according to claim 5, characterized in that: The lower portion of the up-down rotating sliding block (20) is rotatably connected to a force transmission connecting rod (16), the lower portion of the force transmission connecting rod (16) is slidably connected to an upper rotating sliding block (23), and the inner side of the upper rotating sliding block (23) is slidably connected to a rectangular sliding downward pressing rod (21).

7. The mine rock burst support structure according to claim 1, characterized in that: A motor (10) is fixedly connected to the back side of the frame (1).

8. The mine rock burst support structure according to claim 1, characterized in that: A threaded hole (18) is provided on the inner side of the roller (4), and a pointed drill rod (5) is rotatably connected to the inner side of the threaded hole (18).

9. The mine rock burst support structure according to claim 4, characterized in that: An auxiliary support cross bar sliding groove (13) is provided on the inner side of the supporting fixing frame (11), and an auxiliary support cross bar (14) is slidably connected to the inner side of the auxiliary support cross bar sliding groove (13).

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