Rapid supporting device for coal mine tunnel

Abstract

The utility model discloses a coal mine tunnel fast supporting device which comprises a first bottom plate and a second bottom plate, the top of the first bottom plate and the top of the second bottom plate are respectively provided with a supporting seat, lifting hydraulic rods are arranged among the first bottom plate, the second bottom plate and the supporting seats in an array mode, and the two ends of each lifting hydraulic rod are respectively provided with a universal ball. The universal ball is movably connected with the first bottom plate, the second bottom plate and the supporting seat. The supporting assembly is arranged on the top surface of the supporting seat and is used for supporting the top surface of the coal mine tunnel; the adjusting assembly is located in the supporting base and used for adjusting the size of the supporting face of the supporting assembly, in the supporting assembly, rotation adjustment can be conducted between a first supporting plate and a second supporting plate, and therefore the device can be adjusted according to the area of the top face of a roadway, and universal balls are arranged at the two ends of a lifting hydraulic rod; and the supporting assembly can be adaptively adjusted according to the shape of the roadway, and the adaptability and practicability of the device are improved through the design.

Description

Technical Field

[0001] This utility model relates to the field of coal mine safety technology, specifically a rapid support device for coal mine roadways. Background Technology

[0002] With the development of the coal mining industry, people are paying more and more attention to safety issues during coal mining. In the early stages of coal mine tunnel construction, a series of reinforcement devices, such as domes and coal mine safety support rods, are needed to support the mine tunnels and prevent mine collapses that could cause accidents. Safety support rods are the most basic component of tunnel support in modern coal mines. They reinforce the surrounding rock of the tunnel, allowing the surrounding rock to support itself.

[0003] Existing coal mine roadway support devices are mostly complex in structure, requiring a lot of time for manual assembly and installation, which reduces the installation efficiency of the devices. Moreover, existing devices require the installation of a large number of hydraulic rods to support and protect the top surface of the coal mine roadway, resulting in high construction costs.

[0004] Therefore, there is an urgent need for a rapid support device for coal mine roadways to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a rapid support device for coal mine roadways, in order to solve the problems mentioned in the background art. Most of the existing coal mine roadway support devices have relatively complex structures, requiring a lot of time for manual assembly and installation, which reduces the installation efficiency of the device. Moreover, the existing devices require the installation of a large number of hydraulic rods to support and protect the top surface of the coal mine roadway, resulting in high construction costs.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a rapid support device for coal mine roadways, comprising a first base plate and a second base plate, with support seats respectively provided on the top of the first base plate and the second base plate, and lifting hydraulic rods arranged in an array between the first base plate, the second base plate and the support seats, with universal balls at both ends of the lifting hydraulic rods, and the universal balls being movably connected to the first base plate, the second base plate and the support seats respectively; it also includes a support assembly, which is disposed on the top surface of the support seats for supporting the top surface of the coal mine roadway; and an adjustment assembly, which is located inside the support seats for adjusting the size of the support surface of the support assembly.

[0007] Furthermore, the support assembly includes a second support plate, a guide groove is provided on the top surface of the telescopic support base, and the second support plate is movably connected to the guide groove. A first support plate is provided on the top surface of the second support plate, and the first support plate is movably connected to the second support plate.

[0008] Furthermore, a limiting groove is formed on the surface of the second support plate, and the limiting groove penetrates the second support plate. A limiting block is fixed on the bottom surface of the first support plate, and the limiting block is movably connected to the limiting groove. A first gear rack is fixed on the bottom surface of the first support plate, and a second gear rack is fixed on the bottom surface of the second support plate.

[0009] Furthermore, the adjustment assembly includes a connecting shaft, with both ends of the connecting shaft passing through a support base. An adjustment motor is fixed inside the support base, and the output end of the adjustment motor is fixedly connected to one end of the connecting shaft. A first transmission gear is fixed to the other end of the connecting shaft, and the first transmission gear meshes with a first gear rack.

[0010] Furthermore, the surface of the connecting shaft is respectively provided with a fixed bevel gear and a movable sleeve, and the fixed bevel gear is fixed on the surface of the connecting shaft, and the movable sleeve is rotatably connected to the connecting shaft. The two ends of the movable sleeve are respectively fixed with a second transmission gear and a driven bevel gear, and the movable sleeve passes through the second transmission gear and the driven bevel gear respectively, and the second transmission gear meshes with the second gear rack.

[0011] Furthermore, the inner bottom surface of the support base is provided with a movable shaft, and the movable shaft is rotatably connected to the support base. The top end of the movable shaft is fixed with a reversing bevel gear, and the reversing bevel gear meshes with the fixed bevel gear and the driven bevel gear respectively.

[0012] Furthermore, a telescopic hydraulic rod and a stabilizing rod are fixed to the inner side of the first base plate, and the output end of the telescopic hydraulic rod is fixedly connected to the second base plate, while the stabilizing rod is movably connected to the second base plate. The bottom surfaces of the first and second base plates are respectively provided with casters, and the casters are rotatably connected to the first and second base plates respectively. The top surfaces of the first and second base plates are respectively fixed with supporting hydraulic rods, and the output ends of the supporting hydraulic rods pass through the first and second base plates respectively. The output ends of the supporting hydraulic rods are fixed with a supporting plate, and the top surface of the supporting plate is fixed with a guide rod, which passes through the first and second base plates respectively.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model discloses a rapid support device for coal mine roadways. Support components and lifting hydraulic rods are respectively provided on the top and bottom surfaces of the support base. In the support components, the first and second support plates can be rotated and adjusted, allowing the device to be adjusted according to the area of ​​the roadway roof. Universal balls are provided at both ends of the lifting hydraulic rod, allowing the support components to be adaptively adjusted according to the shape of the roadway. This design improves the adaptability and practicality of the device.

[0015] 2. The present invention provides a rapid support device for coal mine roadways, wherein an adjustment component is provided in the support base. In the adjustment component, when the adjustment motor drives the first transmission gear to rotate, under the action of the reversing bevel gear, the driven bevel gear on the surface of the connecting shaft can drive the second transmission gear to rotate in the opposite direction. This design achieves bidirectional adjustment of the support component quickly through a simple structure, which not only improves the construction efficiency of the device, but also reduces the construction cost of the device. Attached Figure Description

[0016] Figure 1 This is an isometric view of the present invention;

[0017] Figure 2 This is an overall sectional view of the present invention;

[0018] Figure 3 This is an exploded view of the overall structure of this utility model;

[0019] Figure 4 This is a cross-sectional view of the support component of this utility model;

[0020] Figure 5 This is an exploded view of the support component of this utility model;

[0021] Figure 6 This is a structural diagram of the adjustment component of this utility model;

[0022] Figure 7 This is a cross-sectional view of the adjustment component of this utility model;

[0023] Figure 8 This is an exploded view of the structure of the adjustment component of this utility model.

[0024] In the diagram: 1. Support assembly; 101. First support plate; 102. Second support plate; 103. Limiting block; 104. First gear rack; 105. Second gear rack; 106. Limiting groove; 2. Adjustment assembly; 201. First transmission gear; 202. Variable direction bevel gear; 203. Fixed bevel gear; 204. Adjustment motor; 205. Second transmission gear; 206. Driven bevel gear; 207. Connecting shaft; 208. Movable sleeve; 209. Movable shaft; 3. Lifting hydraulic rod; 4. Universal wheel; 5. First base plate; 6. Second base plate; 7. Support seat; 8. Telescopic hydraulic rod; 9. Guide groove; 10. Universal ball; 11. Support plate; 12. Support hydraulic rod; 13. Guide rod; 14. Stabilizer bar. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-8 This utility model provides a rapid support device for coal mine roadways, including a first base plate 5 and a second base plate 6. The top of the first base plate 5 and the second base plate 6 are respectively provided with support seats 7. Lifting hydraulic rods 3 are arranged in an array between the first base plate 5, the second base plate 6 and the support seats 7. Universal balls 10 are respectively provided at both ends of the lifting hydraulic rods 3, and the universal balls 10 are movably connected to the first base plate 5, the second base plate 6 and the support seats 7. It also includes a support component 1, which is set on the top surface of the support seat 7 to support the top surface of the coal mine roadway; and an adjustment component 2, which is located inside the support seat 7 to adjust the size of the support surface of the support component 1.

[0027] Specifically, the device is first pushed into the coal mine roadway to the location requiring support via the casters 4. Then, the distance between the first floor plate 5 and the second floor plate 6 is adjusted according to the size of the roadway. Next, the stroke of the lifting hydraulic rod 3 is adjusted according to the shape of the roadway. Finally, the size of the support surface of the support assembly 1 is adjusted.

[0028] The support assembly 1 includes a second support plate 102. A guide groove 9 is provided on the top surface of the telescopic support base 7, and the second support plate 102 is movably connected to the guide groove 9. A first support plate 101 is provided on the top surface of the second support plate 102, and the first support plate 101 is movably connected to the second support plate 102. A limiting groove 106 is provided on the surface of the second support plate 102, and the limiting groove 106 passes through the second support plate 102. A limiting block 103 is fixed on the bottom surface of the first support plate 101, and the limiting block 103 is movably connected to the limiting groove 106. A first gear rack 104 is fixed on the bottom surface of the first support plate 101, and a second gear rack 105 is fixed on the bottom surface of the second support plate 102.

[0029] Specifically, in the support assembly 1, the first support plate 101 and the second support plate 102 can be rotated and adjusted so that the device can be adjusted according to the area of ​​the roadway top surface. The lifting hydraulic rod 3 is provided with universal balls 10 at both ends so that the support assembly 1 can be adjusted adaptively according to the shape of the roadway. The limiting block 103 on the bottom surface of the second support plate 102 moves in the limiting groove 106, which can make the adjustment smoother.

[0030] The adjusting assembly 2 includes a connecting shaft 207, with both ends of the connecting shaft 207 passing through a support base 7. An adjusting motor 204 is fixed to the inner side of the support base 7, and the output end of the adjusting motor 204 is fixedly connected to one end of the connecting shaft 207. A first transmission gear 201 is fixed to the other end of the connecting shaft 207, and the first transmission gear 201 meshes with a first gear rack 104. A fixed bevel gear 203 and a movable sleeve 208 are respectively provided on the surface of the connecting shaft 207. The fixed bevel gear 203 is fixed to the surface of the connecting shaft 207, and the movable sleeve 208 is connected to the connecting shaft 207. Shaft 207 is rotatably connected. The two ends of the movable sleeve 208 are respectively fixed with a second transmission gear 205 and a driven bevel gear 206. The movable sleeve 208 passes through the second transmission gear 205 and the driven bevel gear 206. The second transmission gear 205 meshes with the second gear rack 105. The inner bottom surface of the support base 7 is provided with a movable shaft 209. The movable shaft 209 is rotatably connected to the support base 7. The top end of the movable shaft 209 is fixed with a reversing bevel gear 202. The reversing bevel gear 202 meshes with the fixed bevel gear 203 and the driven bevel gear 206.

[0031] Specifically, in the adjustment component 2, when the adjustment motor 204 drives the first transmission gear 201 to rotate, under the action of the reversing bevel gear 202, the driven bevel gear 206 on the surface of the connecting shaft 207 can drive the second transmission gear 205 to rotate in the opposite direction. This design quickly realizes the bidirectional adjustment of the support component 1 through a simple structure, which not only improves the construction efficiency of the device, but also reduces the construction cost of the device.

[0032] Telescopic hydraulic rods 8 and stabilizing rods 14 are fixed to the inner side of the first base plate 5, and the output end of the telescopic hydraulic rod 8 is fixedly connected to the second base plate 6, while the stabilizing rod 14 is movably connected to the second base plate 6. The bottom surfaces of the first base plate 5 and the second base plate 6 are respectively provided with casters 4, and the casters 4 are rotatably connected to the first base plate 5 and the second base plate 6 respectively. The top surfaces of the first base plate 5 and the second base plate 6 are respectively fixed with supporting hydraulic rods 12, and the output ends of the supporting hydraulic rods 12 pass through the first base plate 5 and the second base plate 6 respectively. The output ends of the supporting hydraulic rods 12 are fixed with supporting plates 11, and the top surfaces of the supporting plates 11 are fixed with guide rods 13, which pass through the first base plate 5 and the second base plate 6 respectively.

[0033] Specifically, the distance between the first base plate 5 and the second base plate 6 is adjusted by the telescopic hydraulic rod 8, and the stabilizing rod 14 ensures that the two base plates are always kept on the same horizontal plane. The supporting hydraulic rods 12 on the two base plates can adjust the contact between the supporting plate 11 and the ground by adjusting the stroke. This not only allows the device to be adjusted horizontally as a whole, but also facilitates the movement or positioning of the device.

[0034] Working principle: In the support assembly 1, the first support plate 101 and the second support plate 102 can be rotated and adjusted so that the device can be adjusted according to the area of ​​the roadway top surface. The lifting hydraulic rod 3 is equipped with universal balls 10 at both ends so that the support assembly 1 can be adjusted according to the shape of the roadway. The limiting block 103 on the bottom surface of the second support plate 102 moves in the limiting groove 106, which can make the adjustment smoother.

[0035] In the adjustment assembly 2, when the adjustment motor 204 drives the first transmission gear 201 to rotate, under the action of the reversing bevel gear 202, the driven bevel gear 206 on the surface of the connecting shaft 207 can drive the second transmission gear 205 to rotate in the opposite direction. This design can quickly achieve bidirectional adjustment of the support assembly 1 through a simple structure.

[0036] The distance between the first base plate 5 and the second base plate 6 is adjusted by the telescopic hydraulic rod 8. The stabilizing rod 14 ensures that the two base plates are always on the same horizontal plane. The supporting hydraulic rods 12 on the two base plates can adjust the contact between the supporting plate 11 and the ground by adjusting the stroke. This not only allows the device to be adjusted horizontally as a whole, but also facilitates the movement or positioning of the device. First, the device is pushed to the place in the coal mine roadway that needs support by the casters 4. Then, the distance between the first base plate 5 and the second base plate 6 is adjusted according to the size of the roadway. Then, the stroke of the lifting hydraulic rod 3 is adjusted according to the shape of the roadway. Finally, the size of the support surface of the support assembly 1 is adjusted.

[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A rapid support device for coal mine roadways, comprising a first base plate (5) and a second base plate (6), wherein the top of the first base plate (5) and the second base plate (6) are respectively provided with support seats (7), and lifting hydraulic rods (3) are arranged in an array between the first base plate (5), the second base plate (6) and the support seats (7), wherein the two ends of the lifting hydraulic rods (3) are respectively provided with universal balls (10), and the universal balls (10) are movably connected to the first base plate (5), the second base plate (6) and the support seats (7); characterized in that Also includes: Support component (1), the support component (1) is set on the top surface of the support base (7) to support the top surface of the coal mine roadway; Adjustment component (2), which is located inside the support base (7) and is used to adjust the size of the support surface of the support component (1).

2. The rapid roadway supporting device for coal mine of claim 1, wherein: The support assembly (1) includes a second support plate (102), a guide groove (9) is provided on the top surface of the telescopic support base (7), and the second support plate (102) is movably connected to the guide groove (9). The top surface of the second support plate (102) is provided with a first support plate (101), and the first support plate (101) is movably connected to the second support plate (102).

3. The rapid roadway supporting device for coal mine of claim 2, characterized in that: The second support plate (102) has a limiting groove (106) on its surface, and the limiting groove (106) passes through the second support plate (102). The bottom surface of the first support plate (101) is fixed with a limiting block (103), and the limiting block (103) is movably connected with the limiting groove (106). The bottom surface of the first support plate (101) is fixed with a first gear rack (104), and the bottom surface of the second support plate (102) is fixed with a second gear rack (105).

4. The rapid roadway supporting device for coal mine of claim 3, characterized in that: The adjustment assembly (2) includes a connecting shaft (207), and both ends of the connecting shaft (207) pass through the support base (7). An adjustment motor (204) is fixed inside the support base (7), and the output end of the adjustment motor (204) is fixedly connected to one end of the connecting shaft (207). A first transmission gear (201) is fixed at the other end of the connecting shaft (207), and the first transmission gear (201) meshes with the first gear rack (104).

5. The rapid roadway support device of claim 4, wherein: The surface of the connecting shaft (207) is provided with a fixed bevel gear (203) and a movable sleeve (208). The fixed bevel gear (203) is fixed on the surface of the connecting shaft (207), and the movable sleeve (208) is rotatably connected to the connecting shaft (207). The two ends of the movable sleeve (208) are respectively fixed with a second transmission gear (205) and a driven bevel gear (206). The movable sleeve (208) passes through the second transmission gear (205) and the driven bevel gear (206), and the second transmission gear (205) meshes with the second gear rack (105).

6. The rapid roadway supporting device for coal mine of claim 5, characterized in that: The inner bottom surface of the support base (7) is provided with a movable shaft (209), and the movable shaft (209) is rotatably connected to the support base (7). The top end of the movable shaft (209) is fixed with a reversing bevel gear (202), and the reversing bevel gear (202) meshes with the fixed bevel gear (203) and the driven bevel gear (206) respectively.

7. The coal mine roadway rapid supporting device according to claim 1, characterized in that: The inner side of the first base plate (5) is fixed with a telescopic hydraulic rod (8) and a stabilizing rod (14), and the output end of the telescopic hydraulic rod (8) is fixedly connected to the second base plate (6), and the stabilizing rod (14) is movably connected to the second base plate (6). The bottom surfaces of the first base plate (5) and the second base plate (6) are respectively provided with casters (4), and the casters (4) are rotatably connected to the first base plate (5) and the second base plate (6). The top surfaces of the first base plate (5) and the second base plate (6) are respectively fixed with a supporting hydraulic rod (12), and the output end of the supporting hydraulic rod (12) passes through the first base plate (5) and the second base plate (6). The output end of the supporting hydraulic rod (12) is fixed with a supporting plate (11), and the top surface of the supporting plate (11) is fixed with a guide rod (13), and the guide rod (13) passes through the first base plate (5) and the second base plate (6).

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