CN210264784U

CN210264784U - Colliery tunnelling supporting device with regulatory function

Info

Publication number: CN210264784U
Application number: CN201921372676.8U
Authority: CN
Inventors: 彭强; 郝云龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-04-07
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a coal mine tunneling support device with adjusting function, which relates to the technical field of coal mines, and comprises a first upright post and a second upright post, wherein the insides of the first upright post and the second upright post are respectively penetrated with a first cross rod and a second cross rod, the opposite ends of the first cross rod and the second cross rod are respectively fixed with a first L-shaped support plate and a second L-shaped support plate, one end of the first cross rod opposite to the first L-shaped support plate is provided with a second hydraulic cylinder, one side of the second hydraulic cylinder is provided with a second hydraulic rod, one end of the second cross rod opposite to the second L-shaped support plate is connected with the second hydraulic rod, the utility model can simultaneously support the top and two sides of a mine tunnel through the first cross rod and the second cross rod under the action of the second hydraulic cylinder and the second hydraulic rod, and further the practicability of the device can be improved.

Description

Colliery tunnelling supporting device with regulatory function

Technical Field

The utility model belongs to the technical field of the colliery, concretely relates to colliery tunnelling supporting device with regulatory function.

Background

The coal mine is a region where human beings mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an open pit coal mine, and when a coal bed is far away from the ground surface, coal is generally selected to be excavated into an underground excavation roadway, so that the coal mine is the mineworker coal mine; when the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine.

But colliery tunnelling supporting device in the existing market still has the defect when using, for example, traditional device is difficult to strut the top and the side of lane simultaneously, and then leads to the device practicality low, and in addition, the supporting legs of device easily imbeds ground, causes the device to appear the slope phenomenon to lead to the device to be difficult to the problem of stable installation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery tunnelling supporting device with regulatory function to the device practicality that provides in solving above-mentioned background is low, and the device is difficult to the problem of stable installation.

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine tunneling and supporting device with an adjusting function comprises a first upright post and a second upright post, wherein a first cross rod and a second cross rod respectively penetrate through the insides of the first upright post and the second upright post, a first L-shaped support plate and a second L-shaped support plate are respectively fixed at the opposite ends of the first cross bar and the second cross bar, one end of the first cross bar, which is opposite to the first L-shaped support plate, is provided with a second hydraulic cylinder, one side of the second hydraulic cylinder is provided with a second hydraulic rod, one end of the second cross rod, which is opposite to the second L-shaped support plate, is connected with a second hydraulic rod, one sides of the first upright post and the second upright post, which are opposite to each other, are provided with a first hydraulic cylinder through a mounting seat, and the bottoms of the first upright post and the second upright post are both provided with universal wheels, the bottom of the first hydraulic cylinder is provided with a first hydraulic rod, a supporting plate is fixed at the bottom of the first hydraulic rod, and a through hole is formed in the supporting plate.

Preferably, a base plate is fixed at the bottom of the supporting plate, and a slotted hole matched with the through hole is formed in the base plate.

Preferably, a sleeve is arranged on one side of the first cross rod and outside the second hydraulic cylinder, and the sleeve is fixedly connected with the first cross rod through a fixing ring.

Preferably, a supporting block is fixed at the top of the sleeve, and the cross section of the supporting block is trapezoidal.

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

(1) the utility model discloses a first horizontal pole and second horizontal pole and under the effect of second pneumatic cylinder and second hydraulic stem, can make first L shape extension board and second L shape extension board strut the top and both sides of ore deposit way simultaneously, and then can improve device's practicality.

(2) The utility model discloses a backup pad and under the effect of first pneumatic cylinder and first hydraulic stem, can make the universal wheel pass the through-hole and separate with ground, and then make the backup pad contact with ground completely to can improve the stability of device during operation.

Drawings

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

fig. 2 is a sectional view of the sleeve of the present invention;

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

in the figure: 1-a first hydraulic cylinder, 2-a first hydraulic rod, 3-a backing plate, 4-a support plate, 5-a universal wheel, 6-a mounting seat, 7-a first upright post, 8-a first cross rod, 9-a fixing ring, 10-a sleeve, 11-a support block, 12-a first L-shaped support plate, 13-a second L-shaped support plate, 14-a second cross rod, 15-a limiting ring, 16-a second upright post, 17-a second hydraulic rod, 18-a second hydraulic cylinder and 19-a through hole.

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. 1-3, the present invention provides a technical solution: a coal mine tunneling support device with an adjusting function comprises a first upright post 7 and a second upright post 16, wherein a first cross rod 8 and a second cross rod 14 penetrate through the inside of the first upright post 7 and the inside of the second upright post 16 respectively, a first L-shaped support plate 12 and a second L-shaped support plate 13 are fixed at one end, opposite to the first cross rod 8 and the second cross rod 14 respectively, a second hydraulic cylinder 18 is installed at one end, opposite to the first L-shaped support plate 12, of the first cross rod 8, a second hydraulic rod 17 is installed at one side of the second hydraulic cylinder 18, one end, opposite to the second L-shaped support plate 13, of the second cross rod 14 is connected with the second hydraulic rod 17, the distance between the first cross rod 8 and the second cross rod 14 can be increased through the second hydraulic cylinder 18 and the second hydraulic rod 17, the first L-shaped support plate 12 and the second L-shaped support plate 13 can be in contact extrusion with two sides of a mine tunnel respectively, and the tops of the first L-shaped support plate 12 and the second L-shaped support plate 13 can, so that the device can support the top and two sides of the mine simultaneously, thereby improving the safety of workers during working, one side of the first upright post 7, which is opposite to the second upright post 16, is provided with a first hydraulic cylinder 1 through a mounting seat 6, the types of the first hydraulic cylinder 1 and the second hydraulic cylinder 18 are HOB80, the thrust is 5 tons, and the bottom parts of the first upright post 7 and the second upright post 16 are both provided with universal wheels 5, the bottom part of the first hydraulic cylinder 1 is provided with a first hydraulic rod 2, the bottom part of the first hydraulic rod 2 is fixed with a support plate 4, the inside of the support plate 4 is provided with a through hole 19, when the first hydraulic cylinder 1 drives the first hydraulic rod 2 to move downwards, the support plate 4 can be contacted with the ground, the universal wheel 5 is then inserted through the through hole 19 and separated from the ground, and then the support plate 4 is completely contacted with the ground, thereby improving the stability of the device during operation due to the large bottom area of the support plate 4.

Further, a backing plate 3 is fixed at the bottom of the supporting plate 4, and a slotted hole matched with the through hole 19 is formed in the backing plate 3 so as to increase the friction force between the device and the ground.

Further, a sleeve 10 is arranged on one side of the first cross bar 8 and outside the second hydraulic cylinder 18, the sleeve 10 is fixedly connected with the first cross bar 8 through a fixing ring 9, and the first cross bar 8 and the second cross bar 14 can be always kept on the same straight line by using the sleeve 10.

Specifically, a supporting block 11 is fixed on the top of the sleeve 10, and the cross section of the supporting block 11 is trapezoidal, so that the overall supporting capacity of the first L-shaped support plate 12 and the second L-shaped support plate 13 can be increased.

Specifically, a limiting ring 15 is fixed outside the second upright 16 and on one side of the second cross bar 14, and the inner diameter of the limiting ring 15 is consistent with the diameter of the second cross bar 14, so as to improve the stability of the second cross bar 14 during the moving process.

The utility model discloses a theory of operation and use flow: when the utility model is used, the device can be moved to the position of a mine road to be supported by the universal wheel 5, then the first hydraulic rod 2 drives the support plate 4 to move downwards by the first hydraulic cylinder 1, then the universal wheel 5 can pass through the through hole 19 and be separated from the ground, and then the supporting plate 4 is completely contacted with the ground, so that the device is supported by the supporting plate 4, and the stability of the device in operation can be further improved, when the device is gradually lifted and the tops of the first L-shaped support plate 12 and the second L-shaped support plate 13 are contacted with the top of the mine tunnel, the second hydraulic ram 17 can be extended by a second hydraulic cylinder 18 to increase the separation between the first and

second cross bars

8, 14, after which the first and second L-

shaped brackets

12, 13 will be pressed into contact with the sides of the mine, and then make the device can strut the top and both sides of ore deposit way simultaneously to improve the security of staff's during operation.

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 which characterized in that: the device comprises a first upright (7) and a second upright (16), wherein a first cross rod (8) and a second cross rod (14) penetrate through the inside of the first upright (7) and the second upright (16) respectively, a first L-shaped support plate (12) and a second L-shaped support plate (13) are fixed at one end, opposite to the first cross rod (8) and the second cross rod (14), respectively, a second hydraulic cylinder (18) is installed at one end, opposite to the first L-shaped support plate (12), of the first cross rod (8), a second hydraulic cylinder (17) is installed at one side of the second hydraulic cylinder (18), one end, opposite to the second L-shaped support plate (13), of the second cross rod (14) is connected with the second hydraulic cylinder (17), a first hydraulic cylinder (1) is installed at one side, opposite to the first upright (7) and the second upright (16), of the first upright (7) and the second upright (16) are respectively provided with a universal wheel (5), a first hydraulic rod (2) is installed at the bottom of the first hydraulic cylinder (1), a supporting plate (4) is fixed at the bottom of the first hydraulic rod (2), and a through hole (19) is formed in the supporting plate (4).

2. A coal mine tunnelling support device with an adjustment function as claimed in claim 1, which is characterized in that: the bottom of the supporting plate (4) is fixed with a backing plate (3), and a slotted hole matched with the through hole (19) is formed in the backing plate (3).

3. A coal mine tunnelling support device with an adjustment function as claimed in claim 1, which is characterized in that: one side of the first cross rod (8) is provided with a sleeve (10) outside the second hydraulic cylinder (18), and the sleeve (10) is fixedly connected with the first cross rod (8) through a fixing ring (9).

4. A coal mine excavation supporting device with an adjusting function according to claim 3, characterized in that: the top of the sleeve (10) is fixed with a supporting block (11), and the cross section of the supporting block (11) is trapezoidal.

5. A coal mine tunnelling support device with an adjustment function as claimed in claim 1, which is characterized in that: a limiting ring (15) is fixed on one side of the second cross rod (14) and outside the second upright column (16), and the inner diameter of the limiting ring (15) is consistent with the diameter of the second cross rod (14).