High-strength adjustable roadway supporting structure for mineral engineering

Abstract

The high-strength adjustable roadway supporting structure comprises an L-shaped base, a first threaded rod is connected to the inner surface of the L-shaped base in a sliding mode, a first limiting block is arranged at the end of the first threaded rod, and a first fixing nut is connected to the outer surface of the first threaded rod in a threaded mode. By arranging a first threaded rod, a first limiting block, a first fixing nut, a second threaded rod, a second limiting block and a second fixing nut, the width between the two L-shaped bases and the width between the two top plate frames can be adjusted, so that the supporting structure can support roadways with different widths, and the applicability of the supporting structure is improved; by arranging the air cylinder, the connecting plate, the adjusting column, the spring, the fixing plate, the adjusting column, the electromagnetic plate, the inserting block and the inserting hole, the height of the whole supporting structure can be adjusted, so that roadways of different heights are supported, and the situation that the top plate frame directly collapses when the air cylinder is damaged can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of support structures, in particular to a high-strength adjustable tunnel support structure for mining engineering. Background Art

[0002] Tunnel support structures refer to a series of support measures and structural forms used in underground projects such as coal mines and tunnels to maintain the stability and safety of the tunnel surrounding rock. Their main purpose is to prevent the movement, deformation, and collapse of the tunnel surrounding rock, and to ensure the normal use and safety of the tunnel.

[0003] However, the existing tunnel support structure still has certain defects. For example, the width and height of the tunnel are usually different, but the traditional tunnel support structure is difficult to apply to tunnels of different sizes, has a limited scope of application, and lacks practicality. Utility Model Content

[0004] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art, and to provide a high-strength adjustable tunnel support structure for mining engineering, which can adjust the width between two L-shaped bases and two roof frames, so that the support structure can support tunnels of different widths, thereby improving the applicability of the structure, and can adjust the height of the entire support structure to support tunnels of different heights, and can avoid the situation where the roof frame directly collapses when the cylinder is damaged.

[0005] The utility model also provides a high-strength adjustable tunnel support structure for mining engineering, comprising:

[0006] The L-shaped base has an inner surface with a first threaded rod slidably connected to the first threaded rod, an end of the first threaded rod is provided with a first limit block, an outer surface of the first threaded rod is threadedly connected to a first fixing nut, an outer surface of the L-shaped base is provided with an open groove, an inner surface of the open groove is fixedly connected to a cylinder, an output end of the cylinder is fixedly connected to a connecting plate, an upper surface of the connecting plate is fixedly connected to an adjusting column, an upper end of the adjusting column is fixedly connected to a top plate frame, an inner surface of the top plate frame is slidably connected to a second threaded rod, an end of the second threaded rod is fixedly connected to a second limit block, an outer surface of the second threaded rod is threadedly connected to a second fixing nut, a hinge is provided on the inner surface of the L-shaped base, and a protective cover is provided on the outer surface of the hinge.

[0007] The outer surface of the L-shaped base is provided with a through groove, the inner surface of the through groove is fixedly connected to a spring, the end of the spring away from the L-shaped base is fixedly connected to a fixing plate, the outer surface of the fixing plate is fixedly connected to a connecting column, the inner surface of the through groove is provided with an electromagnetic plate, the outer surface of the fixing plate is fixedly connected to an insertion block, and the outer surface of the adjusting column is provided with a socket.

[0008] According to the high-strength adjustable tunnel support structure for mining engineering, the inner surface of the socket is adapted to the plug block, which facilitates the limiting and fixing of the top frame plate.

[0009] According to the high-strength adjustable tunnel support structure for mining engineering, there are two L-shaped bases distributed on the left and right, and the outer surface of the first fixing nut is in contact with the L-shaped base.

[0010] According to the high-strength adjustable tunnel support structure for mining engineering, there are two roof frames distributed on the left and right, and the outer surface of the second fixing nut is in contact with the roof frame.

[0011] According to the high-strength adjustable tunnel support structure for mining engineering, the connecting column corresponds to the electromagnetic plate, which facilitates the adsorption of the connecting column.

[0012] According to the high-strength adjustable tunnel support structure for mining engineering, the outer surface of the insert block is slidably connected to the L-shaped base, and the inner surface of the through groove is adapted to the fixed plate.

[0013] According to the high-strength adjustable tunnel support structure for mining engineering, the connecting columns are made of iron, which facilitates the movement of the connecting columns.

[0014] According to the high-strength adjustable tunnel support structure for mining engineering, the electromagnetic plate is electrically connected to an external power supply.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. By setting the first threaded rod, the first limit block, the first fixing nut, the second threaded rod, the second limit block and the second fixing nut, the width between the two L-shaped bases and the two top plate frames can be adjusted, so that the support structure can support lanes of different widths, thereby improving the applicability of the structure;

[0017] 2. By setting up cylinders, connecting plates, adjusting columns, springs, fixing plates, adjusting columns, electromagnetic plates, plugs and sockets, the height of the entire support structure can be adjusted, thereby supporting tunnels of different heights and avoiding the direct collapse of the roof frame when the cylinder is damaged.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0020] Figure 1This is a schematic diagram of the overall structure of a high-strength adjustable tunnel support structure for mining engineering according to the utility model;

[0021] Figure 2 This is a schematic structural diagram of a high-strength adjustable tunnel support structure for mining engineering according to the utility model, in which the protective cover is in an open state;

[0022] Figure 3 This is a schematic diagram of the top side of the overall structure of a high-strength adjustable tunnel support structure for mining engineering according to the utility model;

[0023] Figure 4 This is a partial structural cross-sectional view of a high-strength adjustable tunnel support structure for mining engineering according to the utility model.

[0024] Legend:

[0025] 1. L-shaped base; 2. First threaded rod; 3. First limit block; 4. First fixing nut; 5. Open slot; 6. Cylinder; 7. Connecting plate; 8. Adjusting column; 9. Top plate frame; 10. Second threaded rod; 11. Second limit block; 12. Second fixing nut; 13. Hinge; 14. Protective cover; 15. Through slot; 16. Spring; 17. Fixing plate; 18. Connecting column; 19. Electromagnetic plate; 20. Insert block; 21. Socket. DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0027] Reference Figure 1-4, the utility model embodiment of a high-strength adjustable tunnel support structure for mining engineering, which includes: an L-shaped base 1, the inner surface of the L-shaped base 1 is slidably connected to a first threaded rod 2, the end of the first threaded rod 2 is provided with a first limit block 3, the first limit block 3 is provided for limiting the moving position of the L-shaped base 1, the outer surface of the first threaded rod 2 is threadedly connected to a first fixing nut 4, the outer surface of the L-shaped base 1 is provided with an open groove 5, the inner surface of the open groove 5 is fixedly connected to a cylinder 6, the output end of the cylinder 6 is fixedly connected to a connecting plate 7, the upper surface of the connecting plate 7 is fixedly connected to an adjusting column 8, the upper end of the adjusting column 8 is fixedly connected to a top plate frame 9, the inner surface of the top plate frame 9 A second threaded rod 10 is slidably connected, and a second limit block 11 is fixedly connected to the end of the second threaded rod 10. The second limit block 11 is set to limit the moving position of the top plate frame 9. The outer surface of the second threaded rod 10 is threadedly connected to a second fixing nut 12. The inner surface of the L-shaped base 1 is provided with a hinge 13, and the outer surface of the hinge 13 is provided with a protective cover 14. The protective cover 14 is set to cover the opening on the L-shaped base. There are two L-shaped bases 1 and they are distributed on the left and right. The outer surface of the first fixing nut 4 is in contact with the L-shaped base 1. There are two top plate frames 9 and they are distributed on the left and right. The outer surface of the second fixing nut 12 is in contact with the top plate frame 9.

[0028] The outer surface of the L-shaped base 1 is provided with a through groove 15, and the inner surface of the through groove 15 is fixedly connected to a spring 16. The end of the spring 16 away from the L-shaped base 1 is fixedly connected to a fixing plate 17, and the outer surface of the fixing plate 17 is fixedly connected to a connecting column 18. The inner surface of the through groove 15 is provided with an electromagnetic plate 19, and the outer surface of the fixing plate 17 is fixedly connected to an insert block 20. The outer surface of the adjusting column 8 is provided with a socket 21, the inner surface of the socket 21 is adapted to the insert block 20, the connecting column 18 corresponds to the electromagnetic plate 19, the outer surface of the insert block 20 is slidably connected to the L-shaped base 1, the inner surface of the through groove 15 is adapted to the fixing plate 17, the connecting column 18 is made of iron, and the electromagnetic plate 19 is electrically connected to an external power supply.

[0029] Working principle: When in use, according to the width of the lane, the position of the first fixing nut 4 and the second fixing nut 12 can be adjusted by rotating, so that the two L-shaped bases 1 can be adjusted along the first threaded rod 2, and the two top plate frames 9 can be adjusted along the second threaded rod 10, so that this structure can support lanes of different widths. And according to the height of the lane, first energize the electromagnetic plate 19 to generate suction, adsorb the connecting column 18, and compress the spring 16, so that the plug 20 is separated from the inside of the socket 21 , and then start the cylinder 6 to drive the connecting plate 7 to adjust the height of the top plate frame 9 under the action of the adjusting column 8, so that the structure can support tunnels of different heights, and when the top plate frame 9 moves to the required height, the power supply connected to the electromagnetic plate 19 is disconnected, so that the magnetic force of the electromagnetic plate 19 disappears, and then under the action of the rebound force of the spring 16, the plug 20 will automatically snap into the socket 21 of the corresponding height, realizing the limitation of the top plate frame 9, avoiding the direct collapse of the top plate frame 9 after the cylinder 6 is damaged, thereby improving the support stability of the overall structure.

[0030] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A high-strength adjustable tunnel support structure for mining engineering, characterized in that: include: An L-shaped base (1) is provided, wherein the inner surface of the L-shaped base (1) is slidably connected to a first threaded rod (2), the end of the first threaded rod (2) is provided with a first limiting block (3), the outer surface of the first threaded rod (2) is threadedly connected to a first fixing nut (4), the outer surface of the L-shaped base (1) is provided with an open groove (5), the inner surface of the open groove (5) is fixedly connected to a cylinder (6), the output end of the cylinder (6) is fixedly connected to a connecting plate (7), and the upper surface of the connecting plate (7) is fixedly connected to the output end of the cylinder (6). The surface is fixedly connected with an adjusting column (8), the upper end of the adjusting column (8) is fixedly connected with a top plate frame (9), the inner surface of the top plate frame (9) is slidably connected with a second threaded rod (10), the end of the second threaded rod (10) is fixedly connected with a second limit block (11), the outer surface of the second threaded rod (10) is threadedly connected with a second fixing nut (12), the inner surface of the L-shaped base (1) is provided with a hinge (13), and the outer surface of the hinge (13) is provided with a protective cover (14); The outer surface of the L-shaped base (1) is provided with a through groove (15), the inner surface of the through groove (15) is fixedly connected to a spring (16), one end of the spring (16) away from the L-shaped base (1) is fixedly connected to a fixing plate (17), the outer surface of the fixing plate (17) is fixedly connected to a connecting column (18), the inner surface of the through groove (15) is provided with an electromagnetic plate (19), the outer surface of the fixing plate (17) is fixedly connected to an insert block (20), and the outer surface of the adjusting column (8) is provided with a socket (21).

2. A high-strength adjustable tunnel support structure for mining engineering according to claim 1, characterized in that: The inner surface of the insertion hole (21) is adapted to the insertion block (20).

3. A high-strength adjustable tunnel support structure for mining engineering according to claim 1, characterized in that: The number of the L-shaped bases (1) is two and they are distributed on the left and right sides, and the outer surface of the first fixing nut (4) is in contact with the L-shaped base (1).

4. A high-strength adjustable tunnel support structure for mining engineering according to claim 1, characterized in that: There are two top plate frames (9) distributed on the left and right sides, and the outer surface of the second fixing nut (12) is in contact with the top plate frames (9).

5. A high-strength adjustable tunnel support structure for mining engineering according to claim 1, characterized in that: The connecting column (18) corresponds to the electromagnetic plate (19).

6. A high-strength adjustable tunnel support structure for mining engineering according to claim 1, characterized in that: The outer surface of the insert block (20) is slidably connected to the L-shaped base (1), and the inner surface of the through groove (15) is adapted to the fixing plate (17).

7. The high-strength adjustable tunnel support structure for mining engineering according to claim 1, characterized in that: The connecting column (18) is made of iron.

8. The high-strength adjustable tunnel support structure for mining engineering according to claim 1, characterized in that: The electromagnetic plate (19) is electrically connected to an external power source.

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