CN210317368U

CN210317368U - Roadway support device for coal mine

Info

Publication number: CN210317368U
Application number: CN201920798640.XU
Authority: CN
Inventors: 刘丽峰; 吴建旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-14
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a tunnel supporting device for coal mine, including setting up four support columns in the tunnel, four equal fixedly connected with supporting seat, four on the lower extreme lateral wall of support column all be equipped with running gear on the supporting seat, four the upper end of support column is equipped with jointly and struts the framework, four all be equipped with elevating system between support column and the support framework, fixedly connected with arc metal supporting net on the upper end lateral wall of support framework, it is equipped with three supporting mechanism to strut equidistant between framework and the arc metal supporting net. The utility model discloses convenient the removal avoids artifical the condition of lifting wasting time and energy, and the not co-altitude roadway support of correspondence that can be fine has strengthened bearing capacity and has strutted intensity, can be fine stabilize and strut the tunnel.

Description

Roadway support device for coal mine

Technical Field

The utility model relates to a roadway support technical field especially relates to a roadway support device for coal mine.

Background

Coal mines in China are mainly mined underground, a large number of roadways need to be excavated underground, smoothness of the roadways and stability of surrounding rocks are kept to have important significance for coal mine construction and production, and roadway support technology is continuously changed along with continuous improvement of mining depth, mining breadth and mining strength.

When the existing roadway supporting device for the coal mine is used, the moving position generally needs to be lifted manually, time and labor are wasted, the supporting height is fixed, and roadway supporting at different heights is difficult to deal with.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the roadway support device for coal mine that proposes, its convenient removal avoids the artifical condition of wasting time and energy that lifts, and the not co-altitude roadway support of correspondence that can be fine has strengthened bearing capacity and has strutted intensity, can be fine stabilize and strut the tunnel.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a tunnel supporting device for coal mine, is including setting up four support columns in the tunnel, four equal fixedly connected with supporting seat, four on the lower extreme lateral wall of support column all be equipped with running gear on the supporting seat, four the upper end of support column is equipped with jointly and struts the framework, four all be equipped with elevating system between support column and the support framework, fixedly connected with arc metal support net on the upper end lateral wall of support framework, it is equipped with three supporting mechanism to strut equidistant between framework and the arc metal support net.

Preferably, the supporting mechanism includes two vertical supporting beams fixedly connected to the upper end side wall of the supporting frame body, the two vertical supporting beams are symmetrically arranged at two ends of the supporting frame body, the two vertical supporting beams are fixedly connected to the upper end side wall of the vertical supporting beam, and the upper end side wall of each horizontal supporting beam is fixedly connected to the lower end side wall of the arc-shaped metal supporting net.

Preferably, the lifting mechanism comprises a first device cavity arranged in the side wall of one end, close to the supporting frame, of the four support columns, a first hydraulic oil cylinder is fixedly connected to the inner wall of the first device cavity, an output shaft of the first hydraulic oil cylinder penetrates through the inner wall of the first device cavity and is in sliding connection with the inner wall, and the tail end of the output shaft of the first hydraulic oil cylinder is fixedly connected with the side wall of the lower end of the supporting frame.

Preferably, the traveling mechanism comprises roller grooves arranged on the side walls of the lower ends of the four supporting seats, and rollers and rectangular supporting frame bodies are arranged in the roller grooves.

Preferably, one side of the rectangular support frame body penetrates through the side wall of the axle center of the roller, the roller can rotate around one side of the rectangular support frame body, and the rectangular support frame body is connected with the inner wall of the roller groove in a sliding mode.

Preferably, four second device cavities are formed in the side walls of the supporting seats, a second hydraulic cylinder is fixedly connected to the inner wall of each second device cavity, an output shaft of each second hydraulic cylinder penetrates through the inner wall of each second device cavity and is in sliding connection with the inner wall of each second device cavity, and the tail end of the output shaft of each second hydraulic cylinder extends into the corresponding roller groove and is fixedly connected with one side, far away from the corresponding roller, of the rectangular supporting frame body.

The utility model discloses following beneficial effect has:

1. by arranging the travelling mechanism, when the coal mine worker needs to move towards the tunneling direction, the coal mine worker drives the supporting frame body to move downwards through the first hydraulic oil cylinder and moves the roller out of the roller groove through the second hydraulic oil cylinder, so that the roller is abutted against the ground of the roadway, the device can be moved by pushing the supporting column, the movement is convenient, and the time and labor waste caused by manual lifting is avoided;

2. by arranging the lifting mechanism, when the device is used for supporting a roadway, the lower end surfaces of the four supporting seats are abutted against the ground of the roadway at the supporting position, and then the supporting frame body is driven to move upwards by the four first hydraulic oil cylinders simultaneously, so that the upper end of the arc-shaped metal supporting net is abutted against the inner wall of the top of the roadway, and the roadway supports with different heights can be well supported;

3. through setting up supporting mechanism, arc metal support net supports through three supporting mechanism, and every supporting mechanism constitutes through two support vertical beams and a supporting beam, has strengthened bearing capacity and strut intensity, can be fine stabilize and strut the tunnel.

Drawings

Fig. 1 is a schematic structural view of a coal mine roadway support device provided by the utility model;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a schematic side view of the coal mine roadway support device of the present invention;

fig. 4 is the utility model provides a supporting framework's of tunnel supporting device for coal mine overlook the schematic structure.

In the figure: the device comprises a roadway 1, supporting columns 2, supporting seats 3, a supporting frame 4, an arc-shaped metal supporting net 5, a supporting vertical beam 6, a supporting cross beam 7, a first device cavity 8, a first hydraulic oil cylinder 9, a roller groove 10, a roller 11, a rectangular supporting frame 12, a second device cavity 13 and a second hydraulic oil cylinder 14.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a roadway support device for coal mines, including four supporting columns 2 arranged in a roadway 1, supporting seats 3 are fixedly connected to the lower end side walls of the four supporting columns 2, traveling mechanisms are arranged on the four supporting seats 3, each traveling mechanism includes roller grooves 10 arranged on the lower end side walls of the four supporting seats 3, rollers 11 and rectangular supporting frame bodies 12 are arranged in the roller grooves 10, one side of each rectangular supporting frame body 12 penetrates through the side wall of the axle center of the roller 11, the rollers 11 can rotate around one side of the rectangular supporting frame body 12, the rectangular supporting frame bodies 12 are in sliding connection with the inner walls of the roller grooves 10, second device cavities 13 are arranged in the side walls of the four supporting seats 3, second hydraulic cylinders 14 are fixedly connected to the inner walls of the second device cavities 13, output shafts of the second hydraulic cylinders 14 penetrate through the inner walls of the second device cavities 13 and are in sliding connection with the inner walls, the tail ends of the output shafts of the second hydraulic cylinders 14 extend into the roller grooves 10 and are One side of the roller 11 is fixedly connected, when the coal mine worker needs to move towards the tunneling direction, the coal mine worker moves the roller 11 out of the roller groove 10 through the second hydraulic oil cylinder 14, the roller 11 is enabled to abut against the ground of the roadway 1, the supporting column 2 is pushed, the device can be moved, and the time and labor waste caused by manual lifting is avoided.

Wherein, the upper ends of the four supporting columns 2 are jointly provided with a supporting frame body 4, lifting mechanisms are arranged between the four supporting columns 2 and the supporting frame body 4, each lifting mechanism comprises a first device cavity 8 arranged in one end side wall of each supporting column 2 close to the supporting frame body 4, a first hydraulic oil cylinder 9 is fixedly connected to the inner wall of each first device cavity 8, an output shaft of each first hydraulic oil cylinder 9 penetrates through the inner wall of each first device cavity 8 and is in sliding connection with the inner wall, the tail end of the output shaft of each first hydraulic oil cylinder 9 is fixedly connected with the lower end side wall of the supporting frame body 4, when the device is used for supporting a roadway 1, at a supporting position, a roller 11 is firstly put into a roller groove 10 through four second hydraulic oil cylinders 14, so that the lower end surfaces of the four supporting seats 3 are abutted against the ground of the roadway 1, then the supporting frame bodies 4 are simultaneously driven by the four first hydraulic oil cylinders 9 to move upwards, so that the upper ends of, can be well applied to supporting the laneways 1 with different heights.

Wherein, fixedly connected with arc metal supporting net 5 on the upper end lateral wall of supporting framework 4, it is equipped with three supporting mechanism to strut equidistant between framework 4 and the arc metal supporting net 5, supporting mechanism includes two support vertical beams 6 of fixed connection on the upper end lateral wall of supporting framework 4, two support vertical beam 6 mutual symmetry settings are at the both ends of supporting framework 4, two support vertical beam 6 go up common fixedly connected with supporting beam 7 on the upper end lateral wall, supporting beam 7's upper end lateral wall and arc metal supporting net 5's lower extreme lateral wall fixed connection, arc metal supporting net 5 supports through three supporting mechanism, every supporting mechanism constitutes through two support vertical beam 6 and a supporting beam 7, bearing capacity and supporting strength have been strengthened, can be fine stabilize and strut tunnel 1.

In the utility model, when the device is used for supporting the roadway 1, at the supporting position, the roller 11 is firstly put into the roller groove 10 through the four second hydraulic cylinders 14, so that the lower end surfaces of the four supporting seats 3 are abutted against the ground of the roadway 1, then the supporting frame body 4 is simultaneously driven to move upwards through the four first hydraulic cylinders 9, so that the upper end of the arc-shaped metal supporting net 5 is abutted against the inner wall of the top of the roadway 1, the roadway 1 with different heights can be well supported, the arc-shaped metal supporting net 5 is supported through three supporting mechanisms, each supporting mechanism is composed of two supporting vertical beams 6 and one supporting cross beam 7, the bearing capacity and the supporting strength are enhanced, the roadway 1 can be well stabilized and supported, when the device needs to move towards the tunneling direction, coal mine workers firstly drive the supporting frame body 4 to move downwards through the first hydraulic cylinders 9, the roller 11 is moved out of the roller groove 10 through the second hydraulic oil cylinder 14, so that the roller 11 is abutted against the ground of the roadway 1, the support column 2 is pushed, and the device can be moved, and the condition that manual lifting is time-consuming and labor-consuming is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a roadway support device for coal mine, is including setting up four support columns (2) in tunnel (1), its characterized in that, four equal fixedly connected with supporting seat (3), four on the lower extreme lateral wall of support column (2) all be equipped with running gear on supporting seat (3), four the upper end of support column (2) is equipped with jointly and struts framework (4), four all be equipped with elevating system between support column (2) and the framework (4) of strutting, fixedly connected with arc metal supporting net (5) on the upper end lateral wall of framework (4) of strutting, equidistant three supporting mechanism that is equipped with between framework (4) and the arc metal supporting net (5).

2. The roadway support device for the coal mine, as claimed in claim 1, wherein the support mechanism comprises two support vertical beams (6) fixedly connected to the upper end side wall of the support frame body (4), the two support vertical beams (6) are symmetrically arranged at two ends of the support frame body (4), a support cross beam (7) is fixedly connected to the upper end side wall of the two support vertical beams (6) together, and the upper end side wall of the support cross beam (7) is fixedly connected to the lower end side wall of the arc-shaped metal support net (5).

3. The roadway support device for the coal mine, as recited in claim 1, characterized in that the lifting mechanism comprises a first device cavity (8) arranged in one end side wall of the four support pillars (2) close to the support frame body (4), a first hydraulic oil cylinder (9) is fixedly connected to the inner wall of the first device cavity (8), an output shaft of the first hydraulic oil cylinder (9) penetrates through the inner wall of the first device cavity (8) and is in sliding connection with the inner wall, and the tail end of the output shaft of the first hydraulic oil cylinder (9) is fixedly connected with the lower end side wall of the support frame body (4).

4. The roadway support apparatus for coal mines according to claim 1, wherein the travelling mechanism comprises roller grooves (10) provided on the side walls of the lower ends of the four support seats (3), and rollers (11) and rectangular support frames (12) are provided in the roller grooves (10).

5. The roadway support apparatus for coal mines as set forth in claim 4, wherein one side of the rectangular support frame (12) penetrates through the side wall at the axial center of the roller (11), the roller (11) is rotatable around one side of the rectangular support frame (12), and the rectangular support frame (12) is slidably connected with the inner wall of the roller groove (10).

6. The roadway support device for the coal mine, as claimed in claim 4, wherein a second device cavity (13) is formed in each of the side walls of the four support seats (3), a second hydraulic cylinder (14) is fixedly connected to the inner wall of the second device cavity (13), the output shaft of the second hydraulic cylinder (14) penetrates through the inner wall of the second device cavity (13) and is in sliding connection with the second device cavity, and the tail end of the output shaft of the second hydraulic cylinder (14) extends into the roller groove (10) and is fixedly connected with one side of the rectangular support frame body (12) away from the roller (11).