Sliding type supporting device for tunneling roadway

Abstract

The utility model relates to the technical field of coal mining, and discloses an excavation roadway sliding type supporting device which comprises a sliding rail, the bottom of the sliding rail is connected with a moving piece in a sliding mode, a motor is fixedly connected in the moving piece, a worm is fixedly arranged at the output end of the motor, and the top of the worm is connected with a worm gear in a meshed mode. The right end of the worm gear is fixedly connected with a gear, the right end of the gear and the left end of the worm gear are fixedly connected with rotating rods, the left side and the right side of the moving part are each provided with two rotating wheels, and a belt is arranged between every two adjacent rotating wheels in the front-back direction. According to the device, when the moving piece moves, the fixed block pushes down sundries in the sliding rail towards the two sides, the motor drives the worm to rotate, the worm drives the worm wheel to rotate when the worm rotates, and therefore the rotating rod is driven to rotate, and the rotating wheel is driven to rotate when the rotating rod rotates. And the cleaning roller connected with the rotating wheel on the front side is driven to rotate through the belt, so that the sliding rail is cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mining, especially to the tunneling roadway sliding type supporting device. BACKGROUND

[0002] During the mining of mineral resources, the stability of the mine tunnel is of crucial importance to the safety and efficient advancement of the entire mining operation. With the continuous deepening of underground mining depth and the gradual expansion of mining scale, the geological conditions faced by the mine tunnel are becoming increasingly complex, and the standards for its supporting technology and related supporting devices are becoming higher and higher. Due to the effect of mining activities, the stress distribution of the rock layer around the mine tunnel changes, which may result in rock deformation, cracking, and even collapse. These unstable factors not only threaten the normal operation of mining equipment, causing damage to the equipment and disruption of operations, but also pose a serious potential risk to the safety of miners. Therefore, the mine tunnel needs to be supported, and the mining equipment needs to be protected, giving rise to a mobile mine tunnel supporting device.

[0003] The existing sliding type supporting device is affected by the construction progress and safety due to the accumulation of debris on the sliding rail, and the accumulation of dust and debris on the sliding rail can accelerate the wear of the sliding rail and the moving parts, increasing the workload and cost of equipment maintenance. SUMMARY

[0004] To make up for the above shortcomings, the utility model provides a tunneling roadway sliding type supporting device, aiming to improve the problem of debris accumulation on the sliding rail of the existing supporting device affecting the normal use of the equipment.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a tunneling roadway sliding type supporting device, comprising a sliding rail, a moving part connected to the bottom of the sliding rail, a motor fixedly connected inside the moving part, a worm fixedly arranged at the output end of the motor, a worm wheel meshingly connected to the top of the worm, a gear fixedly connected to the right end of the worm wheel, a rotating rod fixedly connected to the right end of the gear and the left end of the worm wheel, two rotating wheels arranged on the left and right sides of the moving part, a belt arranged between the front and rear adjacent two rotating wheels, two rotating wheels on the front side penetrating and extending into the inside of the moving part on the adjacent side, a cleaning roller fixedly connected to the adjacent side of the two rotating wheels on the front side, the two rotating wheels on the rear side fixedly connected with the adjacent rotating rods, a fixed frame fixedly connected to the bottom of the moving part, a connecting frame arranged at the four corner positions of the fixed frame, an installation assembly arranged on the inner wall of the four connecting frames, and the installation assembly used for quick installation.

[0006] Preferably, the mounting assembly comprises a threaded rod rotatably connected between the inner wall of the connecting frame, the surface of the threaded rod is threadedly connected with two locking blocks, and the front end of the threaded rod penetrates and extends to the front side of the connecting frame and is fixedly connected with a hand wheel.

[0007] Preferably, the bottom of each of the four connecting frames is provided with a support member, and the support member is slidably connected between the connecting frame.

[0008] Preferably, the top of each of the four support members is fixedly connected with a first hydraulic rod, and the output end of each of the four first hydraulic rods is fixedly connected with an adjacent side connecting frame.

[0009] Preferably, the top of each of the four connecting frames is fixedly connected with a second hydraulic rod, and the output end of each of the two second hydraulic rods adjacent in front and back is fixedly connected with a support plate.

[0010] Preferably, the front side of the moving member is fixedly connected with two fixed blocks, and the two fixed blocks are respectively located on the left and right sides of the slide rail.

[0011] Preferably, the bottom of the slide rail is fixedly connected with a rack, and the rack is meshingly connected with a gear.

[0012] Preferably, the fixed frame is provided with a slot at each of the four corner positions, and the four connecting frames are slidably connected between the fixed frame.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, when the moving member moves, the fixed blocks push the sundries in the slide rail to both sides, the motor drives the worm to rotate, the worm drives the worm gear to rotate when rotating, thereby driving the rotating rod to rotate, the rotating rod drives the rotating wheel to rotate when rotating, the belt drives the front rotating wheel connected cleaning roller to rotate, thereby cleaning the slide rail, reducing the accumulation of sundries and dust on the slide rail, and ensuring that the support device moves more smoothly and stably on the slide rail.

[0015] 2. In the utility model, the hand wheel is rotated to drive the threaded rod to rotate, the directions of the two ends of the threaded rod are opposite when the threaded rod rotates, thereby driving the two locking blocks to separate and disengage from the slots on the fixed frame, at this time, the connecting frame can be disassembled, the maintenance, replacement and upgrading of the connecting frame are facilitated, and the maintainability of the whole device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a main view of a tunneling roadway sliding support device.

[0017] Figure 2This is a schematic diagram of the fixing frame of the sliding support device for tunneling roadways proposed in this utility model;

[0018] Figure 3 This is a schematic cross-sectional view of the moving component of the sliding support device for tunneling proposed in this utility model;

[0019] Figure 4 This is a schematic cross-sectional view of the connecting frame of the sliding support device for tunneling roadways proposed in this utility model.

[0020] Legend:

[0021] 1. Slide rail; 2. Moving part; 3. Fixed frame; 4. Connecting frame; 5. First hydraulic rod; 6. Support component; 7. Second hydraulic rod; 8. Support plate; 9. Slot; 10. Rack; 11. Motor; 12. Worm gear; 13. Worm wheel; 14. Gear; 15. Rotating wheel; 16. Belt; 17. Cleaning roller; 18. Fixed block; 19. Rotating rod; 20. Threaded rod; 21. Handwheel; 22. Locking block. Detailed Implementation

[0022] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0023] Reference Figures 1-3 This utility model provides an embodiment of a sliding support device for tunneling, including a slide rail 1, a movable component 2 slidably connected to the bottom of the slide rail 1, a motor 11 fixedly connected inside the movable component 2, a worm gear 12 fixedly installed at the output end of the motor 11, a worm wheel 13 meshing with the top of the worm gear 12, a gear 14 fixedly connected to the right end of the worm wheel 13, and rotating rods 19 fixedly connected to the right end of the gear 14 and the left end of the worm wheel 13. Two rotating wheels 15 are provided on both the left and right sides of the movable component 2, and belts 16 are provided between two adjacent rotating wheels 15. The two rotating wheels 15 on the front side extend through and into the interior of the movable component 2 on adjacent sides, and cleaning rollers 17 are fixedly connected to the adjacent sides of the two rotating wheels 15 on the front side. The two rotating wheels 15 on the rear side are fixedly connected to adjacent rotating rods 19. A fixing frame 3 is fixedly connected to the bottom of the movable component 2, and connecting frames 4 are provided at the four corners of the fixing frame 3. Installation components are provided on the inner walls of the four connecting frames 4 for quick installation.

[0024] Specifically, by fixing the slide rail 1 at the designated position in advance, starting the motor 11 inside the moving part 2, the motor 11 drives the worm 12 to rotate, the worm 12 drives the worm gear 13 to rotate, the worm gear 13 drives the gear 14 and the rotating rod 19 to rotate, the gear 14 is engaged with the rack 10, thereby driving the moving part 2 to move as a whole, and the rotating rods 19 on both sides drive the two rotating wheels 15 on the rear side to rotate, and the rotating wheels 15 and the cleaning roller 17 on the front side are driven to rotate through the belt 16. When the moving part 2 moves, the fixed block 18 pushes the large debris in the slide rail 1 to the two sides, the cleaning roller 17 cleans the slide rail 1, reduces the accumulation of debris and dust, and ensures smooth and stable movement.

[0025] With reference to Figure 4 , the mounting assembly comprises a threaded rod 20 rotatably connected between the inner wall of the connecting frame 4, two locking blocks 22 are threadedly connected to the surface of the threaded rod 20, and the front end of the threaded rod 20 extends through and extends to the front side of the connecting frame 4. The front end of the threaded rod 20 is fixedly connected with a hand wheel 21.

[0026] Specifically, when the user needs to disassemble the connecting frame 4, the hand wheel 21 is rotated to drive the threaded rod 20 to rotate. Because the directions of the two ends of the threaded rod 20 are opposite, the two locking blocks 22 are driven to separate and disengage from the insertion slot 9 on the fixed frame 3. At this time, the connecting frame 4 can be disassembled, which facilitates individual maintenance, replacement and upgrading of the connecting frame 4, and improves the maintainability of the entire device.

[0027] With reference to Figure 1 , the four connecting frames 4 are provided with support members 6 at the bottom, and the support members 6 are slidably connected between the connecting frames 4.

[0028] Specifically, the four connecting frames 4 are provided with support members 6 at the bottom, and the support members 6 are slidably connected between the connecting frames 4. The significance lies in that the position of the support member 6 can be adjusted according to actual needs, which adapts to different working scenes and mine conditions, improves the adaptability and flexibility of the device, and facilitates better support operation.

[0029] With reference to Figure 1 , the four support members 6 are fixedly connected with first hydraulic rods 5 at the top, and the output ends of the four first hydraulic rods 5 are fixedly connected with adjacent side connecting frames 4.

[0030] Specifically, the height of the connecting frame 4 is accurately adjusted by the first hydraulic rod 5, so as to adapt to different mine terrain and working requirements, enhance the stability and universality of the device, and ensure the support effect.

[0031] With reference to Figure 1 , the four connecting frames 4 are fixedly connected with second hydraulic rods 7 at the top, and the output ends of the two second hydraulic rods 7 adjacent to each other are fixedly connected with a support plate 8.

[0032] Specifically, the height of the support plate 8 is adjusted by the second hydraulic rod 7, which better fits the mine wall, increases the stability of the support, and improves the support effect and safety.

[0033] With reference to Figure 4 The moving piece 2 is fixedly connected with two fixed blocks 18 on the front side, and the two fixed blocks 18 are located on the left and right sides of the slide rail 1.

[0034] Specifically, the two fixed blocks 18 are triangular, and can push the sundries in the slide rail 1 to the two sides when the moving piece 2 moves, preventing the sundries from affecting the movement of the moving piece 2.

[0035] With reference to Figure 2 The slide rail 1 is fixedly connected with a rack 10 at the bottom, and the rack 10 is in meshing connection with the gear 14.

[0036] Specifically, the rotation of the gear 14 can be converted into the linear movement of the moving piece 2 along the slide rail 1, realizing accurate position control and improving the accuracy and stability of movement, and providing reliable movement guarantee for the support operation.

[0037] With reference to Figure 2 The fixed frame 3 is provided with a slot 9 at each corner position, and the four connecting frames 4 are in sliding connection with the fixed frame 3.

[0038] Specifically, the fixed frame 3 is provided with a slot 9 at each corner position, and the four connecting frames 4 are in sliding connection with the fixed frame 3, which is convenient for quick assembly and disassembly of the connecting frame 4 and the fixed frame 3, makes the installation and maintenance of the device more convenient, and can flexibly adjust the position and number of the connecting frame 4 according to actual needs, adapt to different working scenes and support requirements.

[0039] Working principle: the user first fixes the slide rail 1 at the specified position, then starts the motor 11 inside the moving piece 2, the motor 11 drives the worm 12 to rotate, the worm 12 drives the worm wheel 13 to rotate, the worm wheel 13 drives the gear 14 and the rotating rod 19 to rotate, the gear 14 is in meshing connection with the rack 10, thereby driving the moving piece 2 to move as a whole, and the rotating rods 19 on the two sides drive the two rotating wheels 15 on the back side to rotate, the rotating wheels 15 and the cleaning rollers 17 on the front side are driven to rotate through the belt 16, when the moving piece 2 moves, the fixed blocks 18 push the sundries in the slide rail 1 to the two sides, the cleaning rollers 17 clean the slide rail 1, and ensure smooth and stable movement;

[0040] The four connecting frames 4 are connected with the fixed frame 3 through mounting assemblies on the bottom of the mobile piece 2, the support pieces 6 at the bottom of the four connecting frames 4 can be adjusted in position according to actual needs, the first hydraulic rods 5 at the top of the support pieces 6 can adjust the height of the connecting frames 4, the second hydraulic rods 7 at the top of the connecting frames 4 can adjust the height of the support plates 8, when the connecting frames 4 need to be disassembled, rotating the hand wheel 21 drives the threaded rod 20 to rotate, so that the locking block 22 is separated from the slot 9 on the fixed frame 3.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A sliding support device for tunneling, comprising a slide rail (1), characterized in that: The slide rail (1) is slidably connected to a moving part (2) at its bottom. A motor (11) is fixedly connected inside the moving part (2). A worm gear (12) is fixedly installed at the output end of the motor (11). A worm wheel (13) is meshed with the top of the worm gear (12). A gear (14) is fixedly connected to the right end of the worm wheel (13). A rotating rod (19) is fixedly connected to both the right end of the gear (14) and the left end of the worm wheel (13). Two rotating wheels (15) are provided on both the left and right sides of the moving part (2). A space is provided between each pair of adjacent rotating wheels (15). A belt (16) is provided. The two rotating wheels (15) on the front side are connected to each other on one side and extend into the interior of the moving part (2). The two rotating wheels (15) on the front side are fixedly connected to each other on one side. The two rotating wheels (15) on the rear side are fixedly connected to each other on the adjacent rotating rod (19). A fixing frame (3) is fixedly connected to the bottom of the moving part (2). A connecting frame (4) is provided at each of the four corners of the fixing frame (3). An installation component is provided on the inner wall of each of the four connecting frames (4). The installation component is used for quick installation.

2. The sliding support device for tunneling as described in claim 1, characterized in that: The mounting assembly includes a threaded rod (20), which is rotatably connected to the inner wall of the connecting frame (4). Two locking blocks (22) are threadedly connected to the surface of the threaded rod (20). The front end of the threaded rod (20) extends through and to the front side of the connecting frame (4). A handwheel (21) is fixedly connected to the front end of the threaded rod (20).

3. The sliding support device for tunneling as described in claim 1, characterized in that: Each of the four connecting frames (4) is provided with a support member (6) at its bottom, and the support member (6) is slidably connected to the connecting frame (4).

4. The sliding support device for tunneling as described in claim 3, characterized in that: Each of the four support members (6) has a first hydraulic rod (5) fixedly connected to its top, and the output ends of the four first hydraulic rods (5) are fixedly connected to the adjacent side connecting frame (4).

5. The sliding support device for tunneling as described in claim 1, characterized in that: Each of the four connecting frames (4) is fixedly connected to a second hydraulic rod (7) at its top, and a support plate (8) is fixedly connected between the output ends of two adjacent second hydraulic rods (7).

6. The sliding support device for tunneling as described in claim 1, characterized in that: The moving part (2) has two fixed blocks (18) fixedly connected to its front side, and the two fixed blocks (18) are located on the left and right sides of the slide rail (1) respectively.

7. The sliding support device for tunneling as described in claim 1, characterized in that: A rack (10) is fixedly connected to the bottom of the slide rail (1), and the rack (10) is meshed with the gear (14).

8. The sliding support device for tunneling as described in claim 1, characterized in that: The fixed frame (3) has slots (9) at each of its four corners, and the four connecting frames (4) are slidably connected to the fixed frame (3).

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