CN211008683U

CN211008683U - Colliery tunnelling supporting device with regulatory function

Info

Publication number: CN211008683U
Application number: CN201922039833.XU
Authority: CN
Inventors: 张勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-07-14
Anticipated expiration: 2029-11-23

Abstract

The utility model discloses a colliery tunnelling supporting device with regulatory function, including the backup pad, all installed the screw rod in the backup pad, all the cover is equipped with on the screw rod and supports the cover, on the screw rod, lie in one section equal threaded connection who supports the cover downside and have the thread bush, the equal annular swing arm of having laid on the thread bush supports the cover and has all installed the plug bush, and the position on frame plate top, between being located the plug bush is equipped with the step. Before using, can stand whole supporting device at the mine cave subaerial, then stimulate the grafting cover to the avris respectively, make the grafting cover deviate from the frame plate, again will support the cover and pull out from the screw rod, can be with whole supporting device split, the split back, each mechanism can stack and lift the fortune together, it is little to occupy the mine cave area, conveniently carry, insert in the awl inserts mine cave entrance hole downside coal through the even setting of annular, and the lower extreme contact coal of backup pad, can make whole supporting device settle more stable in mine cave entrance to a cave department.

Description

Colliery tunnelling supporting device with regulatory function

Technical Field

The utility model relates to a colliery tunnelling is strutted technical field, specifically is a colliery tunnelling supporting device with regulatory function.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines, and when a coal seam is far from the ground surface, coal mining is generally selected to an underground excavation roadway, which is the underground coal mine, and when the coal seam is very close to the ground surface, coal mining is generally selected to directly strip a surface soil layer, which is the opencast coal mine.

The existing underground coal mine tunneling process needs to be supported at the mine hole opening at the position, so that the risk of coal collapse at the upper side of the mine hole opening is reduced, at present, a fixed support structure is adopted for supporting mostly, a frame plate is arranged at the upper side, support columns are arranged at the left side and the right side of the frame plate, during arrangement, the support columns are placed at the left side and the right side of the mine hole opening respectively, the upper end surfaces of the frame plates are in contact with or abut against the top of the mine hole opening, the mine hole opening can be supported through the support columns, however, the support device occupies a large transverse area of the mine hole when being carried, is inconvenient to split and carry, and is particularly carried in relatively narrow underground mining spaces, so that the support device convenient to split and carry is necessary to design.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery tunnelling supporting device with regulatory function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery tunnelling supporting device with regulatory function, includes the backup pad, all installed the screw rod in the backup pad, all the cover is equipped with the support cover on the screw rod, be located one section equal threaded connection of support cover downside has the thread bush, the screw rod has all been laid to the annular on the thread bush, support the cover and all installed the plug bush, the plug bush is equipped with the frame plate, the frame plate top, be located the position between the plug bush and be equipped with the step.

Preferably, the bottom end of the supporting plate is annularly provided with an inserting cone, and the inserting cone is of a round rod structure with a cone at one end.

Preferably, the support sleeve is of a round sleeve structure.

Preferably, the plug bush is a square bush structure with one end sealed and one end open, the frame plate is a square batten structure, and two ends of the frame plate are respectively inserted into the plug bushes on two sides.

Preferably, the included angle between the inserting sleeve and the supporting sleeve is provided with a reinforcing plate.

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

first, before the use, can stand whole supporting device at the mine hole subaerial, then stimulate the grafting cover to the avris respectively for the frame plate is deviate from to the grafting cover, will support the cover again and pull out from the screw rod, can lift whole supporting device split, and after the split, each mechanism can be stacked and lift the fortune together, and it is little to occupy the horizontal area of mine hole, conveniently carries.

And secondly, inserting the inserting cones uniformly arranged in an annular shape into coal at the lower side of the mine hole, and enabling the lower end of the supporting plate to contact with the coal, so that the whole supporting device can be arranged at the position of the mine hole to be more stable.

Thirdly, the triangular connection support at the included angle between the splicing sleeve and the supporting sleeve is realized through the reinforcing plate, and the breaking strength of the joint of the splicing sleeve and the supporting sleeve is enhanced.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a partially cut-away front view of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic bottom view of the present invention;

fig. 5 is a schematic view of the distribution of the swing rods of the present invention.

In the figure: the support plate 1, the insertion cone 2, the screw rod 3, the support sleeve 4, the thread sleeve 5, the rotating rod 6, the insertion sleeve 7, the frame plate 8, the step 9 and the reinforcing plate 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, the present invention provides a technical solution: a coal mine tunneling support device with an adjusting function comprises support plates 1, the number of the support plates 1 is two, the support plates 1 are of circular plate structures, insertion cones 2 are annularly distributed at the bottom ends of the support plates 1, four insertion cones 2 are annularly and uniformly arranged at the lower ends of the support plates 1, cones are arranged at the lower ends of the insertion cones 2, the support plates 1 and the insertion cones 2 are fusion-cast integrated pieces, the insertion cones 2 are of round rod structures, one ends of the insertion cones are provided with cones, the insertion cones 2 are uniformly and annularly arranged and are inserted into coal at the lower side of a mine hole, the lower ends of the support plates 1 are in contact with the coal, the whole support device can be stably arranged at the mine hole, screw rods 3 are arranged on the support plates 1, support sleeves 4 are sleeved on the screw rods 3, the support sleeves 4 are of round sleeve structures, the support sleeves 4 are slidably inserted into the screw rods 3, and a section of the screw, thread bush 5 is provided with the interior threaded round sleeve structure for the inner wall, the outer wall annular of single thread bush 5 evenly is provided with four swing arms 6, thread bush 5 and swing arm 6 are founding integrative piece, rotatory swing arm 6, drive thread bush 5 upwards rotatory on screw rod 3, upwards support the pressure down in the upper end of thread bush 5, make and support cover 4 along 3 rebound of screw rod, and during the reverse rotation swing arm 6, drive thread bush 5 downwards rotation on screw rod 3, under the upper portion coupling assembling gravity of supporting cover 4 and supporting cover 4, make and support cover 4 and move down along 3 of screw rod, all annular has laid swing arm 6 on the thread bush 5.

Referring to fig. 1, 2, 3 and 4, the support sleeves 4 are all provided with the plug bushes 7, the upper ends of the support sleeves 4 are all welded and connected with the lower ends of one plug bush 7, the plug bushes 7 are provided with the frame plates 8, the plug bushes 7 are of a square bush structure with one end sealed and the other end open, the frame plates 8 are of a square slat structure, two ends of each frame plate 8 are respectively inserted into the plug bushes 7 on two sides, the left side and the right side of each frame plate 8 are respectively inserted into the plug bushes 7 on the left side and the right side in a sliding manner, the frame plates 8 are limited to rotate in the plug bushes 7 according to the square section, the left length and the right length of each frame plate 8 are designed to be smaller than the width of a standard mine opening by 20 cm, steps 9 are arranged at the top ends of the frame plates 8 and between the plug bushes 7, the steps 9 are of square boss structures and are arranged at the center positions of the upper end faces of the frame plates 8, at, the upper surface of step 9 and the upper surface of grafting cover 7 are at same horizontal plane, grafting cover 7 and the contained angle department that supports cover 4 have all installed reinforcing plate 10, reinforcing plate 10 is triangle plate structure, the total is two, the upper end of two reinforcing plates 10 and outer corresponding end all adopt the welded mode to connect the lower extreme of two grafting covers 7 respectively and two support cover 4 in correspond side upper portion, through the triangle joint support of reinforcing plate 10 to grafting cover 7 and support cover 4 contained angle department, reinforcing grafting cover 7 and support cover 4 junction rupture strength.

The utility model discloses when concrete implementation: before use, the integral supporting device can be spread on the ground of a mine hole, then the inserting sleeves 7 are respectively pulled towards the side sides to enable the inserting sleeves 7 to be separated from the frame plate 8, then the supporting sleeve 4 is pulled out from the screw rod 3, the integral supporting device can be disassembled, after the disassembling, all mechanisms can be stacked together and lifted, the occupied transverse area of the mine hole is small, the carrying is convenient, when the integral supporting device is installed, all the mechanisms are placed at the mine hole, two sides of the frame plate 8 are firstly respectively inserted into the inserting sleeves 7, when the integral supporting device is required to be ensured to be erected, the step 9 can correspond to the top of the mine hole, the screw rod 3 is inserted into the supporting sleeve 4, the integral supporting device is turned upwards, the integral supporting device is vertically placed at the mine hole, the edge of the upper end face of the supporting plate 1 can be knocked by a hammer until the inserting cone 2 is completely inserted into the bottom of the mine hole, and the lower end of the, the supporting device is characterized in that inserting cones 2 uniformly arranged in an annular mode are inserted into coal on the lower side of a mine hole, the lower end of a supporting plate 1 is contacted with the coal, the whole supporting device can be arranged at the position of the mine hole opening more stably, a rotating rotary rod 6 is rotated to drive a threaded sleeve 5 to rotate upwards on a screw rod 3, the upper end of the threaded sleeve 5 is pressed upwards, a supporting sleeve 4 moves upwards along the screw rod 3 until inserting sleeves 7 on two sides and a step 9 on the middle side stably press against the top of the mine hole opening, the rotating rotary rod 6 is stopped, triangular connection supports at the included angle between the inserting sleeves 7 and the supporting sleeve 4 are supported through a reinforcing plate 10, the anti-breaking strength of the connection position of the inserting sleeves 7 and the supporting sleeve 4 is enhanced, when the supporting device is disassembled from the mine hole opening, the rotating rotary rod 6 is rotated reversely, the threaded sleeve 5 is driven to rotate downwards on the screw rod 3, and under the gravity of an upper connecting component of the supporting sleeve 4 and the supporting, when the height of the support sleeve 4 after descending meets the conditions of disassembly requirements, a cleat crowbar can be used for prying the support plate 1 from the lower side of the support plate 1, the support sleeve 4 is held until the insertion cone 2 is separated from the bottom of the hole of the mine hole, the whole support device is turned over to the ground of the mine hole again, and the support device can be disassembled again by repeating the actions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a colliery tunnelling supporting device with regulatory function, includes backup pad (1), its characterized in that: all installed screw rod (3) on backup pad (1), all the cover is equipped with support cover (4) on screw rod (3), one section equal threaded connection that is located support cover (4) downside on screw rod (3) has thread bush (5), all annular has laid swing arm (6) on thread bush (5), support cover (4) all installed plug bush (7), plug bush (7) have installed frame plate (8), frame plate (8) top, the position that is located between plug bush (7) are equipped with step (9).

2. A coal mine tunnelling support device with an adjustment function as claimed in claim 1, which is characterized in that: the bottom end of the supporting plate (1) is annularly provided with an inserting cone (2), and the inserting cone (2) is of a round rod structure with a cone at one end.

3. A coal mine tunnelling support device with an adjustment function as claimed in claim 1, which is characterized in that: the supporting sleeve (4) is of a round sleeve structure.

4. A coal mine tunnelling support device with an adjustment function as claimed in claim 1, which is characterized in that: the plug bush (7) is of a square bush structure with one end sealed and one end open, the frame plate (8) is of a square batten structure, and two ends of the frame plate (8) are respectively inserted into the plug bush (7) on two sides.

5. A coal mine excavation supporting device with an adjusting function according to claim 4, characterized in that: and reinforcing plates (10) are arranged at the included angles of the plug bush (7) and the support sleeve (4).