CN219452135U - Colliery tunnel strutting arrangement with buffer structure - Google Patents

Abstract

The utility model relates to the technical field of roadways, in particular to a coal mine roadway supporting device with a buffer structure, which comprises a roadway body, a supporting plate and a bottom plate, wherein the bottom plate is fixedly arranged on two sides of the bottom of the supporting plate respectively, a hollow plate is arranged at the bottom of the supporting plate, a vertical cylinder is fixedly arranged in the middle of the top end of the supporting plate, oblique cylinders are fixedly arranged on two sides of the top end of the supporting plate, a top movable plate is fixedly arranged at the output ends of the vertical cylinder and the oblique cylinders, and the surface of the top movable plate is in an arc shape corresponding to the roadway body. According to the utility model, the vertical cylinder, the inclined cylinder, the top moving plate and the concave groove are arranged, the top moving plate is driven to move through the output ends of the vertical cylinder and the inclined cylinder, so that the top moving plate extends into the concave groove, and the roadway body is supported through the vertical cylinder, the inclined cylinder and the top moving plate.

Description

Colliery tunnel strutting arrangement with buffer structure

Technical Field

The utility model relates to the technical field of roadways, in particular to a coal mine roadway supporting device with a buffer structure.

Background

In order to prevent mining accidents caused by ground collapse due to deep excavation, supports are arranged in the tunnels of the coal mine and used for supporting the bottom surface to prevent collapse.

The utility model discloses a grant bulletin number is CN211342962U, it has recorded a colliery roadway support device, which comprises two supporting mechanisms, supporting mechanism's top fixed mounting has the connecting block, supporting mechanism includes mobile jib and rotary rod, the inside at the rotary rod is cup jointed to the mobile jib, the internal thread groove has been seted up to the inside of rotary rod, the connecting thread groove has been seted up to the surface of mobile jib, internal thread groove and connecting thread groove threaded connection, the external thread groove has been seted up to the surface of rotary rod, the external thread groove has been seted up to the external surface of mobile jib and rotary rod through thread sleeve threaded connection, first thread groove has been seted up to the bottom of thread sleeve, the second thread groove has been seted up at the top of first thread groove, the cooperation of connecting axle and through-hole and joint groove fixture block can realize establishing strutting arrangement's effect fast in the tunneling face in the pit, the problem that can not support in time after discovery suspended rock and fracture layer among the prior art has been solved.

The supporting device can timely support the roadway, but the top of the existing supporting device is smooth, the top of the roadway is uneven, when the supporting device is utilized for supporting, the supporting device cannot adaptively support the roadway, risks exist, and the supporting device is to be improved, so that the coal mine roadway supporting device with the buffer structure needs to be designed to solve the problems.

Disclosure of Invention

The utility model aims to provide a coal mine roadway supporting device with a buffer structure, which solves the problems that the supporting device can timely support a roadway, but the top of the existing supporting device is flat, the top of the roadway is uneven, and when the supporting device is used for supporting, the supporting device cannot support the roadway adaptively, risks exist, and improvement is needed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a coal mine roadway support device with a buffer structure, comprising: roadway body, backup pad and bottom plate, bottom plate fixed mounting are in the both sides of backup pad bottom respectively, and the bottom of backup pad is provided with the cavity board, and the middle part fixed mounting on backup pad top has vertical cylinder, and the both sides on backup pad top all fixed mounting have the slant cylinder, all fixed mounting have a top movable plate on the output of vertical cylinder and slant cylinder, and the top movable plate surface is the arc form corresponding with the roadway body, and the indent has been seted up to the bottom of roadway body.

Preferably, the first fixed block is fixedly arranged on one side of the roadway body, which is close to each other, the second fixed block is fixedly arranged on one side of the hollow plate, and fastening bolts are arranged in the first fixed block and the second fixed block in a threaded manner.

Preferably, the bottom plate is inserted and installed in the hollow plate, the front surface and the back surface of the hollow plate are both provided with adjusting bolts in a threaded manner, and the front surface and the back surface of the bottom plate are both uniformly provided with positioning grooves.

Preferably, the hollow plate is internally provided with a buffer mechanism comprising a spring.

Preferably, the bottom end of the hollow plate is fixedly provided with a supporting bottom plate, and four corners of the supporting bottom plate are provided with fixing cones.

Preferably, the bottom fixed connection of spring is at the inside bottom of cavity board, and the top fixed mounting of spring has the buffer board.

Preferably, the hollow plates on the front and back sides of the buffer plate are provided with sliding grooves, sliding blocks are slidably arranged in the sliding grooves, and the side edges of the buffer plate are fixedly connected with the sliding blocks.

Compared with the prior art, the utility model has the beneficial effects that:

1. through being provided with vertical cylinder, slant cylinder, top movable plate and sunken groove, drive the top movable plate through the output of vertical cylinder and slant cylinder and move for the top movable plate all stretches into in the sunken groove, supports the tunnel body through vertical cylinder, slant cylinder and top movable plate, because top movable plate surface is the arc shape, thereby can carry out adaptability to the tunnel body and support, the supporting effect obtains improving, so that use.

2. Through being provided with first fixed block, second fixed block and fastening bolt, use fastening bolt can be fixed first fixed block and second fixed block to make cavity board and tunnel body fixed, and then further improved the device stability when using, solved strutting arrangement and used unstable problem.

3. Through being provided with buffer gear, when the control bottom board is in cavity board upper and lower activity, the buffer gear of bottom has played the cushioning effect, avoids the bottom board to descend the striking cavity board bottom downwards when adjusting.

Drawings

FIG. 1 is a schematic elevational, partial cross-sectional view of a structure of the present utility model;

FIG. 2 is a schematic side view in partial cross section of the bottom plate and hollow plate structure of the present utility model;

FIG. 3 is a schematic partial cross-sectional elevation view of the roadway body and top deck structure of the present utility model;

fig. 4 is an enlarged schematic view of a portion of the structure of fig. 1 a according to the present utility model.

In the figure: 110. a roadway body; 111. a support plate; 112. a bottom plate; 113. a hollow plate; 114. a support base plate; 115. a fixed cone; 116. a vertical cylinder; 117. an oblique cylinder; 118. a top movable plate; 119. a concave groove; 120. an adjusting bolt; 121. a positioning groove; 122. a first fixed block; 123. a second fixed block; 124. a fastening bolt; 200. a buffer mechanism; 210. a spring; 211. a buffer plate; 212. a chute; 213. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, an embodiment of the present utility model is provided: a coal mine roadway support device with a buffer structure, comprising: the electric appliances used in the utility model are all of the types which can be purchased directly in the market, and the specific working principle of the electric appliances is the prior art which is well known to the person skilled in the art, so the electric appliances are not described herein, the bottom plate 112 is fixedly installed on two sides of the bottom of the supporting plate 111 respectively, the bottom of the supporting plate 111 is provided with a hollow plate 113, the middle part of the top end of the supporting plate 111 is fixedly provided with a vertical cylinder 116, two sides of the top end of the supporting plate 111 are fixedly provided with an oblique cylinder 117, the output ends of the vertical cylinder 116 and the oblique cylinder 117 are fixedly provided with a top movable plate 118, the surface of the top movable plate 118 is arc-shaped corresponding to the roadway body 110, and the bottom end of the roadway body 110 is provided with a concave groove 119.

Example two

Compared with the first embodiment, referring to fig. 1-4, the coal mine roadway support device with the buffer structure provided by the utility model has the advantages that the first fixing blocks 122 are fixedly arranged on the sides, close to each other, of the roadway body 110, the second fixing blocks 123 are fixedly arranged on the sides of the hollow plates 113, the fastening bolts 124 are arranged in the first fixing blocks 122 and the second fixing blocks 123 in a threaded manner, and the first fixing blocks 122 and the second fixing blocks 123 can be fixed by using the fastening bolts 124, so that the hollow plates 113 are fixed with the roadway body 110, the stability of the device in use is further improved, and the problem of unstable use of the support device is solved.

Further, the bottom end of the hollow plate 113 is fixedly provided with a supporting bottom plate 114, and fixing cones 115 are arranged at four corners of the supporting bottom plate 114, and the fixing cones 115 extend into the ground through the supporting bottom plate 114 to fix the supporting bottom plate 114, so that the device is fixed, and the device is convenient to use stably.

Example III

Compared with the first embodiment, referring to fig. 1-2, the coal mine roadway support device with the buffer structure provided by the utility model has the advantages that the bottom plate 112 is inserted and installed in the hollow plate 113, the front and the back of the hollow plate 113 are both provided with the adjusting bolts 120 in a threaded manner, the front and the back of the bottom plate 112 are both uniformly provided with the positioning grooves 121, the bottom plate 112 is controlled to move up and down in the hollow plate 113, and the adjusting bolts 120 are screwed, so that one end of the adjusting bolts 120 extend into the positioning grooves 121, the effect of adjusting and fixing is achieved, and the support device is convenient to use.

Further, the buffer mechanism 200 is disposed inside the hollow plate 113, the buffer mechanism 200 includes a spring 210, and when the bottom plate 112 is controlled to move up and down in the hollow plate 113, the buffer mechanism 200 at the bottom plays a role in buffering, so as to avoid the bottom plate 112 falling down to strike the bottom of the hollow plate 113 during adjustment.

Further, the bottom fixed connection of spring 210 is in the inside bottom of cavity board 113, and the top fixed mounting of spring 210 has buffer board 211, and spring 210 and buffer board 211 play the cushioning effect, and the bottom board 112 descends the striking cavity board 113 bottom downwards when avoiding adjusting, makes things convenient for the device to use.

Further, the hollow plates 113 on the front and back sides of the buffer plate 211 are provided with the sliding grooves 212, the sliding blocks 213 are slidably mounted in the sliding grooves 212, the side edges of the buffer plate 211 are fixedly connected with the sliding blocks 213, when the buffer plate 211 plays a role in buffering, the sliding blocks 213 slide in the sliding grooves 212, and the sliding grooves 212 and the sliding blocks 213 enable the buffer plate 211 to move stably.

Working principle: when the device is used, the top moving plate 118 is driven to move through the output ends of the vertical air cylinder 116 and the inclined air cylinder 117, so that the top moving plate 118 stretches into the concave groove 119, the roadway body 110 is supported through the vertical air cylinder 116, the inclined air cylinder 117 and the top moving plate 118, and the surface of the top moving plate 118 is arc-shaped, so that the roadway body 110 can be adaptively supported, and the supporting effect is improved, so that the device is convenient to use.

The bottom plate 112 is controlled to move up and down in the hollow plate 113, the adjusting bolt 120 is screwed, one end of the adjusting bolt 120 extends into the positioning groove 121, the adjusting and fixing functions are achieved, the supporting device is convenient to use, when the bottom plate 112 is controlled to move up and down in the hollow plate 113, the buffer mechanism 200 at the bottom plays a role in buffering, and the bottom plate 112 is prevented from falling downwards to strike the bottom of the hollow plate 113 during adjustment.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. Colliery tunnel strutting arrangement with buffer structure, its characterized in that includes: roadway body (110), backup pad (111) and bottom board (112), bottom board (112) are fixed mounting respectively in the both sides of backup pad (111) bottom, the bottom of backup pad (111) is provided with cavity board (113), the middle part fixed mounting on backup pad (111) top has vertical cylinder (116), the both sides on backup pad (111) top all fixed mounting have slant cylinder (117), all fixed mounting has top movable plate (118) on the output of vertical cylinder (116) and slant cylinder (117), top movable plate (118) surface is the arciform corresponding with roadway body (110), concave groove (119) have been seted up to the bottom of roadway body (110).

2. The coal mine roadway support device with the buffer structure according to claim 1, wherein: the roadway body (110) is fixedly provided with a first fixing block (122) on one side close to each other, a second fixing block (123) is fixedly provided on one side of the hollow plate (113), and fastening bolts (124) are arranged in the first fixing block (122) and the second fixing block (123) in a threaded manner.

3. The coal mine roadway support device with the buffer structure according to claim 1, wherein: the bottom plate (112) is inserted and installed in the hollow plate (113), the front surface and the back surface of the hollow plate (113) are both provided with adjusting bolts (120) in a threaded mode, and the front surface and the back surface of the bottom plate (112) are both provided with positioning grooves (121) uniformly.

4. The coal mine roadway support device with the buffer structure according to claim 1, wherein: a buffer mechanism (200) is arranged inside the hollow plate (113), and the buffer mechanism (200) comprises a spring (210).

5. The coal mine roadway support device with the buffer structure according to claim 1, wherein: the bottom end of the hollow plate (113) is fixedly provided with a supporting bottom plate (114), and four corners of the supporting bottom plate (114) are provided with fixed cones (115).

6. The coal mine tunnel supporting device with the buffer structure according to claim 4, wherein: the bottom of the spring (210) is fixedly connected with the bottom inside the hollow plate (113), and the top of the spring (210) is fixedly provided with a buffer plate (211).

7. The coal mine tunnel supporting device with the buffer structure according to claim 6, wherein: sliding grooves (212) are formed in the hollow plates (113) on the front face and the back face of the buffer plate (211), sliding blocks (213) are slidably arranged in the sliding grooves (212), and the side edges of the buffer plate (211) are fixedly connected with the sliding blocks (213).