Coal mining roadway supporting device

Abstract

The utility model relates to the technical field of coal mining, in particular to a coal mining roadway supporting device which comprises a supporting plate and a sliding assembly, the sliding assembly comprises two sliding plates, two protruding blocks, four first fixing plates, four second fixing plates, a threaded rod, two pushing rods and a sleeve, and the two sliding plates are connected with the supporting plate in a sliding mode. The two protruding blocks are fixedly connected with the corresponding sliding plates respectively, the four first fixing plates are fixedly connected with the corresponding protruding blocks respectively, the threaded rod is rotationally connected with the supporting plate, the sleeve is in threaded connection with the threaded rod and arranged on the surface of the threaded rod in a sleeving mode, and the four second fixing plates are fixedly connected with the sleeve. The two pushing rods are rotationally connected with the corresponding first fixing plates and the corresponding second fixing plates correspondingly, and through the arrangement of the structure, the problem that the supporting effect on the top wall of a coal mining roadway is insufficient due to the fact that the size of a top plate of a roadway supporting device cannot be adjusted is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to a coal mining tunnel supporting device. Background Art

[0002] As a traditional energy source, coal has always occupied a large proportion in my country's national economy. With the construction of modern mines, ensuring the safety and smooth flow of tunnels when dealing with various geological environments underground is a major focus of safety issues. There are various tunnels in coal mines, with many names, such as large tunnels, return air tunnels, transport tunnels, and auxiliary tunnels. Among them, the main function of the large tunnel is ventilation and transportation, the return air tunnel is used as the return air for excavation, development, and coal mining faces, the transport tunnel is used as a tunnel for transportation, and the auxiliary tunnel is used as an auxiliary tunnel for the mining area. These tunnels ensure the normal operation of underground work. Therefore, how to use different supports to protect the tunnels is the first priority to ensure the safe production of mines.

[0003] The tunnel has been underground for a long time and is located in a damp, cold place. It bears a large load and is prone to collapse. The top plate of the existing tunnel support device cannot be adjusted in size, resulting in insufficient support for the top wall of the coal mining tunnel. Utility Model Content

[0004] The utility model aims to provide a coal mining tunnel support device, which solves the problem in the prior art that the top plate of the tunnel support device cannot be adjusted in size, resulting in insufficient support for the top wall of the coal mining tunnel.

[0005] To achieve the above-mentioned purpose, the utility model provides a coal mining tunnel supporting device, including a support plate and a sliding assembly, the sliding assembly including two sliding plates, two raised blocks, four first fixed plates, four second fixed plates, a threaded rod, two pushing rods and a sleeve, the two sliding plates are slidably connected to the support plate and are located on both sides of the support plate, the two raised blocks are respectively fixedly connected to the corresponding sliding plates and are located on one side of the sliding plate, the four first fixing plates are respectively fixedly connected to the corresponding raised blocks and are located below the corresponding raised blocks, the threaded rod is rotatably connected to the support plate and is located below the support plate, the sleeve is threadedly connected to the threaded rod and is sleeved on the surface of the threaded rod, the four second fixed plates are fixedly connected to the sleeve and are located on both sides of the sleeve, and the two pushing rods are respectively rotatably connected to the corresponding first fixing plate and the corresponding second fixing plate, and are located between the corresponding first fixing plate and the second fixing plate.

[0006] Wherein, the sliding assembly further includes a handle and a clamping block, wherein the clamping block is fixedly connected to the threaded rod and is located inside the support plate, and the handle is fixedly connected to the threaded rod and is located below the threaded rod.

[0007] Among them, the coal mining tunnel support device also includes a bottom plate and four support rods, the four support rods are fixedly connected to the support plate and are located at the four bottom corners of the support plate, and the bottom plate is fixedly connected to the four support rods and is located below the four support rods.

[0008] Wherein, the coal mining tunnel support device also includes a connecting component, and the connecting component is arranged on both sides of the support plate.

[0009] Among them, the connecting component includes a card strip, a fixed strip and a movable strip, the card strip is fixedly connected to the support plate and is located on one side of the support plate, and the card strip is arranged in a T shape, the fixed strip is fixedly connected to the support plate and is located on one side of the support plate, the movable strip is slidably connected to the support plate and is located below the fixed strip, the cross-sections of the fixed strip and the movable strip are arranged in an L shape, and the fixed strip and the movable strip are adapted to the card strip.

[0010] Wherein, the connecting assembly also includes two fixing blocks and two bolts, the two fixing blocks are fixedly connected to the support plate and are located on both sides of the fixing bar, and the two bolts pass through the moving bar and are threadedly connected to the corresponding fixing blocks.

[0011] The utility model discloses a coal mining tunnel supporting device, the two sliding plates are slidably connected to the support plate and are located on both sides of the support plate, the two raised blocks are respectively fixedly connected to the corresponding sliding plates and are located on one side of the sliding plate, the four first fixed plates are respectively fixedly connected to the corresponding raised blocks and are located below the corresponding raised blocks, the threaded rod is rotatably connected to the support plate and is located below the support plate, the sleeve is threadedly connected to the threaded rod and sleeved on the surface of the threaded rod, the four second fixed plates are fixedly connected to the sleeve and are located on both sides of the sleeve, the two push rods are respectively rotatably connected to the corresponding first fixed plate and the corresponding second fixed plate and are located between the corresponding first fixed plate and the second fixed plate, the threaded rod is rotated, the sleeve moves accordingly under the restriction of the push rod, the two ends of the push rod rotate around the first fixed plate and the second fixed plate, drive the sliding plate to move, and support the top wall of the tunnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0014] Figure 2 It is a side view of the first embodiment of the utility model.

[0015] Figure 3 The utility model Figure 2 AA line section view.

[0016] Figure 4 It is an overall structural diagram of the second embodiment of the utility model.

[0017] Figure 5 It is a side view of the second embodiment of the utility model.

[0018] 101-support plate, 102-bottom plate, 103-support rod, 104-sliding plate, 105-raised block, 106-first fixed plate, 107-second fixed plate, 108-threaded rod, 109-pushing rod, 110-sleeve, 111-handle, 112-block, 201-strip, 202-fixed strip, 203-moving strip, 204-fixed block, 205-bolt. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] First embodiment:

[0021] See also Figures 1 to 3 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 is a side view of the first embodiment of the utility model, Figure 3 The utility model Figure 2 AA line section view.

[0022] The utility model provides a coal mining tunnel support device, including a support plate 101, a sliding assembly, a bottom plate 102 and four support rods 103, the sliding assembly includes two sliding plates 104, two raised blocks 105, four first fixed plates 106, four second fixed plates 107, a threaded rod 108, two push rods 109, a sleeve 110, a handle 111 and a clamping block 112. The above-mentioned solution solves the problem that the top plate of the tunnel support device cannot be adjusted in size, resulting in insufficient support for the top wall of the coal mining tunnel.

[0023] According to the present specific embodiment, the two sliding plates 104 are slidably connected to the support plate 101 and are located on both sides of the support plate 101. The two raised blocks 105 are respectively fixedly connected to the corresponding sliding plates 104 and are located on one side of the sliding plate 104. The four first fixed plates 106 are respectively fixedly connected to the corresponding raised blocks 105 and are located below the corresponding raised blocks 105. The threaded rod 108 is rotatably connected to the support plate 101 and is located below the support plate 101. The sleeve 110 is threadedly connected to the threaded rod 108 and is sleeved on the surface of the threaded rod 108. The four second fixing plates 107 are fixedly connected to the sleeve 110 and are located on both sides of the sleeve 110. The two pushing rods 109 are rotatably connected to the corresponding first fixing plates 106 and the corresponding second fixing plates 107, and are located between the corresponding first fixing plates 106 and the second fixing plates 107. The threaded rod 108 is rotated, and the sleeve 110 moves accordingly under the restriction of the pushing rod 109. The two ends of the pushing rod 109 rotate around the first fixing plate 106 and the second fixing plate 107, driving the sliding plate 104 to move, thereby supporting the top wall of the tunnel.

[0024] Among them, the clamping block 112 is fixedly connected to the threaded rod 108 and is located inside the support plate 101, the handle 111 is fixedly connected to the threaded rod 108 and is located below the threaded rod 108, the clamping block 112 is clamped inside the support plate 101, and the threaded rod 108 is rotated by the handle 111 to adjust the two sliding plates 104.

[0025] Secondly, the four support rods 103 are fixedly connected to the support plate 101 and are located at the four bottom corners of the support plate 101. The bottom plate 102 is fixedly connected to the four support rods 103 and is located below the four support rods 103. The four support rods 103 support the support plate 101 to a corresponding height. The bottom plate 102 is installed on the face, which improves stability.

[0026] When using the utility model, the threaded rod 108 is rotated by the handle 111, and the sleeve 110 moves accordingly under the restriction of the push rod 109. The two ends of the push rod 109 rotate around the first fixed plate 106 and the second fixed plate 107, driving the sliding plate 104 to move and support the top wall of the tunnel. The four support rods 103 support the support plate 101 to a corresponding height, and the bottom plate 102 is installed on the surface to improve stability.

[0027] Second embodiment:

[0028] See also Figure 4 and Figure 5 ,in, Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 5 It is a side view of the second embodiment of the utility model.

[0029] On the basis of the first embodiment, the utility model provides a coal mining tunnel support device, which also includes a connecting assembly, wherein the connecting assembly includes a clamping bar 201, a fixed bar 202, a movable bar 203, two fixed blocks 204 and two bolts 205. Through the arrangement of the above structure, the problem that the connection between adjacent support plates 101 is not tight enough and the support effect on the top of the tunnel is not high is solved.

[0030] According to this specific embodiment, the connection components are arranged on both sides of the support plate 101 to facilitate the connection of adjacent support plates 101 and improve the tightness.

[0031] Among them, the clamping strip 201 is fixedly connected to the support plate 101 and is located on one side of the support plate 101, and the clamping strip 201 is arranged in a T shape, the fixed strip 202 is fixedly connected to the support plate 101 and is located on one side of the support plate 101, the movable strip 203 is slidably connected to the support plate 101 and is located below the fixed strip 202, the cross-sections of the fixed strip 202 and the movable strip 203 are arranged in an L shape, and the fixed strip 202 and the movable strip 203 are adapted to the clamping strip 201, the clamping strip 201 is clamped between the fixed strip 202 and the movable strip 203, the movable strip 203 is moved to fix the clamping strip 201, thereby fixing the adjacent support plates 101 together.

[0032] Secondly, the two fixed blocks 204 are fixedly connected to the support plate 101 and are located on both sides of the fixed bar 202. The two bolts 205 pass through the movable bar 203 and are threadedly connected to the corresponding fixed blocks 204, so that the clamping bar 201 is fixed between the fixed bar 202 and the movable bar 203. The movable bar 203 is fixed by the two bolts 205, thereby improving stability.

[0033] When using the utility model, the threaded rod 108 is rotated by the handle 111, and the sleeve 110 moves accordingly under the restriction of the push rod 109. The two ends of the push rod 109 rotate around the first fixed plate 106 and the second fixed plate 107, driving the sliding plate 104 to move, supporting the top wall of the tunnel, fixing the clamping strip 201 between the fixed strip 202 and the movable strip 203, and fixing the movable strip 203 by the two bolts 205, so as to fix the adjacent support plates 101 together, thereby improving the tightness of the connection between the two support plates 101 and improving the support effect on the top of the tunnel.

[0034] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A coal mining tunnel support device, comprising a support plate, characterized in that: It also includes a sliding assembly, which includes two sliding plates, two protruding blocks, four first fixed plates, four second fixed plates, a threaded rod, two pushing rods and a sleeve. The two sliding plates are slidably connected to the support plate and are located on both sides of the support plate. The two protruding blocks are respectively fixedly connected to the corresponding sliding plates and are located on one side of the sliding plate. The four first fixing plates are respectively fixedly connected to the corresponding protruding blocks and are located below the corresponding protruding blocks. The threaded rod is rotatably connected to the support plate and is located below the support plate. The sleeve is threadedly connected to the threaded rod and is sleeved on the surface of the threaded rod. The four second fixed plates are fixedly connected to the sleeve and are located on both sides of the sleeve. The two pushing rods are respectively rotatably connected to the corresponding first fixing plate and the corresponding second fixing plate and are located between the corresponding first fixing plate and the second fixing plate.

2. The coal mining tunnel support device according to claim 1, characterized in that: The sliding assembly also includes a handle and a clamping block, wherein the clamping block is fixedly connected to the threaded rod and is located inside the support plate, and the handle is fixedly connected to the threaded rod and is located below the threaded rod.

3. The coal mining tunnel support device according to claim 2, characterized in that: The coal mining tunnel support device also includes a bottom plate and four support rods, the four support rods are fixedly connected to the support plate and are located at four bottom corners of the support plate, and the bottom plate is fixedly connected to the four support rods and is located below the four support rods.

4. The coal mining tunnel support device according to claim 3, characterized in that: The coal mining tunnel supporting device also includes a connecting assembly, and the connecting assembly is arranged on both sides of the supporting plate.

5. The coal mining tunnel support device according to claim 4, characterized in that: The connecting assembly includes a clamping strip, a fixed strip and a movable strip, the clamping strip is fixedly connected to the support plate and is located on one side of the support plate, and the clamping strip is arranged in a T shape, the fixed strip is fixedly connected to the support plate and is located on one side of the support plate, the movable strip is slidably connected to the support plate and is located below the fixed strip, the cross-sections of the fixed strip and the movable strip are arranged in an L shape, and the fixed strip and the movable strip are adapted to the clamping strip.

6. The coal mining tunnel support device according to claim 5, characterized in that: The connection assembly also includes two fixing blocks and two bolts. The two fixing blocks are fixedly connected to the support plate and are located on both sides of the fixing bar. The two bolts pass through the moving bar and are threadedly connected to the corresponding fixing blocks.

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