Emergency support for coal mine tunnel

Abstract

The utility model belongs to the technical field of emergency supports, and particularly relates to a coal mine tunnel emergency support which comprises four base blocks, two base blocks are distributed in the front side direction and the rear side direction, the inner side walls of the base blocks are fixedly connected with fixing cylinders, the inner side walls of the fixing cylinders are connected with telescopic rods in a sliding mode, and the telescopic rods are connected with the telescopic rods in a sliding mode. The telescopic rods are fixedly connected with the inner side walls of the corresponding base blocks, the two base blocks on the front side and the rear side are fixedly connected through reinforcing rods, and supporting columns are fixedly connected to the tops of the four base blocks. When the device is used, only the base block needs to be pulled to enable the telescopic rod to be vertically stretched along the fixing cylinder, when the stretching width is equal to that of a coal mine tunnel, the fixing plate is fixed through the threaded hole by the bolt, so that the device is fixed, the air cushion is expanded by inflating the air hole, and finally the arc-shaped plate is supported through the air cushion. The arc-shaped plate is deformed and folded into the shape of the top of the coal mine roadway, then the anchor body is driven into the wall of the coal mine roadway, and the device can be stable.

Description

Technical Field

[0001] The utility model relates to the technical field of emergency support, in particular to a coal mine tunnel emergency support. Background Art

[0002] When encountering emergencies such as geological structure changes, rock collapse, and coal seam roof collapse, in order to ensure the safety of miners and the normal operation of mine equipment, the emergency support measures taken are coal mine tunnel emergency support.

[0003] At present, most of the emergency supports for coal mine tunnels require personnel to build the base of the coal mine tunnel on site when the coal mine tunnel becomes loose. It is necessary to insert steel bars into the ground and pour concrete, and then reinforce them with anchors. Although this is stable, if there is an emergency, such support is not fast enough.

[0004] In order to solve the above problems, we proposed an emergency support for coal mine tunnels. Utility Model Content

[0005] The utility model aims to solve the problems in the background technology and proposes an emergency support for coal mine tunnels.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an emergency support for a coal mine tunnel, comprising a base block, the number of the base blocks is four, and two base blocks are distributed in the front and rear directions, the inner side wall of the base block is fixedly connected with a fixed cylinder, the inner side wall of the fixed cylinder is slidably connected with a telescopic rod, the telescopic rod is fixedly connected to the inner side wall of the corresponding base block, the two base blocks in the front and rear directions are fixedly connected by a reinforcing rod, the tops of the four base blocks are fixedly connected with a supporting column, the inner side wall of the support column is rotatably connected with a placing plate, the number of the placing plates is two, and the two placing plates are rotatably connected, the top of the support column is rotatably connected with an arc plate, the number of the arc plates is multiple, and the multiple arc plates are rotatably connected, an air cushion is placed on the top of the placing plate, the bottom of the air cushion is provided with an air hole that penetrates the placing plate, and the support columns at the tops of the two base blocks in the front and rear directions are fixedly connected by a reinforcing plate.

[0007] In the above-mentioned emergency support for coal mine tunnels, the reinforcement plate is provided with a plurality of threaded anchor bodies, the end of the anchor body is in the shape of a drill bit, the outer wall of the anchor body is fixedly connected with two barbs, the right side wall of the anchor body is fixedly connected with a mounting frame, the inner wall of the mounting frame is fixedly connected with a limiting plate, the inner wall of the mounting frame is slidably connected with a movable plate, the outer wall of the mounting frame is provided with a threaded rod, and the movable plate is threadedly sleeved on the outside of the threaded rod.

[0008] In the above-mentioned emergency support for coal mine tunnels, the outer side walls of the four base blocks are fixedly connected with a fixing plate, and the fixing plate is provided with a threaded hole.

[0009] In the above-mentioned emergency support for coal mine tunnels, the plurality of arc-shaped plates are connected in an arc shape, and the length of the arc-shaped plate is equal to the length of the placement plate.

[0010] In the above-mentioned coal mine tunnel emergency support, multiple anchor bodies are evenly arranged on the outside of the reinforcement plate with equal spacing, the movable plate is located on the left side of the limit plate, and the two barbs are arranged on the upper and lower side walls of the anchor body.

[0011] In the above-mentioned coal mine tunnel emergency support, the reinforcement plate is located directly above the reinforcement rod.

[0012] Compared with the existing technology, the advantages of this coal mine tunnel emergency support are:

[0013] When the utility model is used, it is only necessary to pull the base block to make the telescopic rod stretch vertically along the fixed tube. When the stretching width is equal to the coal mine tunnel, the fixing plate is fixed by bolts passing through the threaded holes, so that the position of the device is fixed, and then the air cushion is expanded by punching the air holes. Finally, the arc plate is propped up by the air cushion, so that the arc plate is deformed and folded into the shape of the top of the coal mine tunnel. Subsequently, the anchor body is driven into the wall of the coal mine tunnel to stabilize the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a partial front view of a coal mine tunnel emergency support proposed by the utility model;

[0015] Figure 2 This is a front view of a coal mine tunnel emergency support proposed by the utility model;

[0016] Figure 3 It is a partial left view of a coal mine tunnel emergency support proposed by the utility model.

[0017] In the figure: 1 base block, 2 fixed plate, 3 fixed tube, 4 telescopic rod, 5 support column, 6 reinforcement rod, 7 placement plate, 8 arc plate, 9 reinforcement plate, 10 anchor body, 11 barb, 12 installation frame, 13 air cushion, 14 air hole, 15 limit plate, 16 movable plate, 17 threaded rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-Figure 3, a coal mine tunnel emergency support, including a base block 1, the number of base blocks 1 is four, and there are two base blocks 1 distributed in the front and rear sides, the inner wall of the base block 1 is fixedly connected with a fixed cylinder 3, the inner wall of the fixed cylinder 3 is slidably connected with a telescopic rod 4, the telescopic rod 4 is fixedly connected to the inner wall of the corresponding base block 1, the two base blocks 1 in the front and rear sides are fixedly connected by a reinforcing rod 6, the tops of the four base blocks 1 are fixedly connected with a supporting column 5, the inner wall of the supporting column 5 is rotatably connected with a placing plate 7, the number of the placing plates 7 is two, and the two placing plates 7 are rotatably connected, the top of the supporting column 5 is rotatably connected with an arc plate 8, the number of the arc plates 8 is multiple, and the multiple arc plates 8 are rotatably connected, an air cushion 13 is placed on the top of the placing plate 7, and the bottom of the air cushion 13 is provided with an air hole 14 penetrating the placing plate 7, the supporting columns 5 on the tops of the two base blocks 1 in the front and rear sides are fixedly connected by a reinforcing plate 9, the outer walls of the four base blocks 1 are fixedly connected with When the support 12 is in the upright position, the support 12 is in the upright position, and the support 12 is in the upright position, so that the support 12 is in the upright position, and the support 12 is in the upright position, so that the support 12 is in the upright position, and the support 12 is in the upright position, so that the support 12 is in the upright position, and the support 12 is in the upright position, so that the support 12 is in the upright position, and the support 12 is in the upright position, so that the support 12 is in the upright position, and the support 12 is in the upright position, so that the support 12 is in the upright position, and the support 12 is in the upright position, so that the support 12 is in the upright position, and the support 12 is in the upright position, so that the support 12 is in the upright position, and the support 12 is in the upright position, so that the support 12 is in the upright position, and the support 12 is in the upright position, so that the support 12 is in the upright position,

[0020] The reinforcement plate 9 is provided with a plurality of threaded anchor bodies 10, the end of the anchor body 10 is in the shape of a drill bit, the outer wall of the anchor body 10 is fixedly connected with two barbs 11, the right side wall of the anchor body 10 is fixedly connected with a mounting frame 12, the inner wall of the mounting frame 12 is fixedly connected with a limit plate 15, the inner wall of the mounting frame 12 is slidably connected with a movable plate 16, the outer wall of the mounting frame 12 is provided with a threaded rod 17, the movable plate 16 is threadedly sleeved on the outer side of the threaded rod 17, and the plurality of anchor bodies 10 are evenly arranged on the outer side of the reinforcement plate 9 with equal spacing, and the movable plate 16 is slidably connected with the inner wall of the mounting frame 12. 6 is located on the left side of the limit plate 15, and two barbs 11 are set on the upper and lower side walls of the anchor body 10. When the anchor body 10 needs to be driven into the wall of the coal mine tunnel, the driving end of the motor or other driving device is placed into the installation frame 12 and contacts with the limit plate 15, and then the movable plate 16 is moved by rotating the threaded rod 17. When the movable plate 16 moves to the driving end and is fastened and immovable, the driving device is started. After the anchor body 10 is driven into the coal mine tunnel, the barbs 11 can enhance the stability of the anchor body 10 in the wall and improve the safety of the device.

[0021] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A coal mine tunnel emergency support, comprising a base block (1), characterized in that: The number of the base blocks (1) is four, and two base blocks (1) are distributed in the front and rear sides. The inner wall of the base block (1) is fixedly connected to a fixed cylinder (3), and the inner wall of the fixed cylinder (3) is slidably connected to a telescopic rod (4). The telescopic rod (4) is fixedly connected to the inner wall of the corresponding base block (1). The two base blocks (1) in the front and rear sides are fixedly connected by a reinforcing rod (6). The tops of the four base blocks (1) are fixedly connected to support columns (5), and the inner walls of the support columns (5) are rotatably connected to a placement plate ( 7), the number of the placement plates (7) is two, and the two placement plates (7) are rotatably connected to each other, the top of the support column (5) is rotatably connected to an arc plate (8), the number of the arc plates (8) is multiple, and the multiple arc plates (8) are rotatably connected to each other, an air cushion (13) is placed on the top of the placement plate (7), and the bottom of the air cushion (13) is provided with an air hole (14) penetrating the placement plate (7), and the support columns (5) at the top of the two base blocks (1) at the front and rear sides are fixedly connected by a reinforcement plate (9).

2. A coal mine tunnel emergency support according to claim 1, characterized in that: The reinforcing plate (9) is provided with a plurality of threaded anchor bodies (10), the ends of the anchor bodies (10) are drill-shaped, the outer side walls of the anchor bodies (10) are fixedly connected with two barbs (11), the right side wall of the anchor bodies (10) is fixedly connected with a mounting frame (12), the inner side wall of the mounting frame (12) is fixedly connected with a limiting plate (15), the inner side wall of the mounting frame (12) is slidably connected with a movable plate (16), the outer side wall of the mounting frame (12) is provided with a threaded rod (17), and the movable plate (16) is threadedly sleeved on the outer side of the threaded rod (17).

3. A coal mine tunnel emergency support according to claim 1, characterized in that: The outer side walls of the four base blocks (1) are fixedly connected to a fixing plate (2), and the fixing plate (2) is provided with a threaded hole.

4. A coal mine tunnel emergency support according to claim 1, characterized in that: The plurality of arc-shaped plates (8) are connected to form an arc shape, and the length of the arc-shaped plate (8) is equal to the length of the placement plate (7).

5. A coal mine tunnel emergency support according to claim 2, characterized in that: The plurality of anchor bodies (10) are evenly arranged on the outside of the reinforcing plate (9) with equal spacing, the movable plate (16) is located on the left side of the limiting plate (15), and the two barbs (11) are arranged on the upper and lower side walls of the anchor body (10).

6. A coal mine tunnel emergency support according to claim 1, characterized in that: The reinforcement plate (9) is located directly above the reinforcement rod (6).

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