CN210317370U

CN210317370U - Colliery tunnelling working face supporting device

Info

Publication number: CN210317370U
Application number: CN201921008290.9U
Authority: CN
Inventors: 周文涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-04-14
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses a colliery tunnelling working face supporting device, including setting up the stand on the tunnel inner wall, the stand erects subaerially in the tunnel, and the embedding has the stake on the inner wall in tunnel, and the stand passes through with the stake and adds long bolted connection, is provided with the jack on the stand, is provided with on the piston rod of jack and links up the piece, links up and is provided with the bearing plate on the piece. This colliery tunnelling working face supporting device can carry out abundant location through stake and inserted bar and fix the position of stand, and the bearing position that the jack can the bearing plate simultaneously finely tunes and supports real fastening, improves and struts stability, can take place the partial deformation to the tunnel top through the spring part, plays a shock attenuation effect of buffering, and the sponge layer can warp and supplementary buffering according to the local deformation condition.

Description

Colliery tunnelling working face supporting device

Technical Field

The utility model relates to a technical field is strutted in the colliery, specifically is a colliery tunnelling working face supporting device.

Background

When the tunnel is excavated, the tunnel is required to be gradually pushed by a heading machine, and the excavated part or working face of the heading machine needs to be supported so as to prevent collapse caused by heading vibration.

Most of the existing supporting structures only rely on simple strut frames for protection, and are easy to deform and collapse instantly when only conditions are met, so that the actual supporting capacity is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery tunnelling working face supporting device to solve the simple tunnel working face supporting construction of part, the problem that the supporting capacity is low.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery tunnelling working face supporting device, is including setting up the stand on the tunnel inner wall, the pedestal is found subaerial in the tunnel, the embedding has the stake on the inner wall in tunnel, the stand passes through extension bolted connection with the stake, be provided with the jack on the stand, be provided with on the piston rod of jack and link up the piece, be provided with the bearing plate on linking up the piece.

Preferably, the stand is welded with a lantern ring, and the lantern ring is fixedly embedded into the ground of the tunnel through an inserted link.

Preferably, the connecting block is fixedly connected with a reinforcing rib, and the other end of the reinforcing rib is fixedly connected with the bearing plate through an expansion screw.

Preferably, fixedly connected with cushion collar on the bearing plate, the slip is provided with the buffer beam in the cushion collar, fixedly connected with arc on the buffer beam, the port face fixedly connected with spring of cushion collar, the other end fixed connection arc of spring.

Preferably, a sponge layer is adhered to the arc-shaped plate and is in contact connection with the top of the tunnel.

Compared with the prior art, the beneficial effects of the utility model are that: this colliery tunnelling working face support device: 1. the position of the upright post can be sufficiently positioned and fixed through the pile and the inserted rod, and meanwhile, the jack can finely adjust and firmly support the bearing position of the bearing plate, so that the support stability is improved;

2. when the partial deformation can take place to the tunnel top through the spring part, play a shock attenuation effect of buffering, the sponge layer can be according to the local deformation condition, warp and supplementary buffering.

Drawings

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

fig. 2 is an enlarged schematic view of the position a of the present invention.

In the figure: the concrete pile comprises a vertical column 1, a pile 11, an elongated bolt 12, a jack 13, a connecting block 14, a bearing plate 15, a lantern ring 2, an inserted rod 21, a reinforcing rib 3, an arc-shaped plate 4, a buffer sleeve 41, a buffer rod 42, a spring 43 and a sponge layer 5.

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, the present invention provides a technical solution: the utility model provides a colliery tunnelling working face supporting device, including setting up stand 1 on the tunnel inner wall, stand 1 erects on the subaerial in tunnel, the embedding has pile 11 on the inner wall in tunnel, pile 11 is fixed to be embedded into on the tunnel inner wall, stand 1 is connected through extension bolt 12 with pile 11, pile 11 can imbed the nut, stand 1 punches, pass the hole through extension bolt 12 and fix with nut threaded connection, be provided with jack 13 on stand 1, jack 13 is the hydraulic pressure model, it can carry out fine setting from top to bottom when installing, in order to satisfy bearing plate 15's installation, be provided with on jack 13's the piston rod and link up piece 14, link up piece 14 and the part fixed connection at both ends, be provided with bearing plate 15 on linking up piece 14, play a main anti-collapse pillar function.

Referring to fig. 1, a lantern ring 2 is welded on a vertical column 1, and the lantern ring 2 is fixedly embedded into the ground of a tunnel through an inserted bar 21 to prevent the bottom foot of the vertical column 1 from shifting.

Referring to fig. 1, the connecting block 14 is fixedly connected with a reinforcing rib 3, and the other end of the reinforcing rib 3 is fixedly connected with a bearing plate 15 through an expansion screw, so that an auxiliary supporting effect can be achieved on the central part of the bearing plate 15.

Referring to fig. 1 and 2, fixedly connected with cushion collar 41 on bearing plate 15, it is provided with buffer rod 42 to slide in cushion collar 41, fixedly connected with arc 4 on buffer rod 42, the port face fixedly connected with spring 43 of cushion collar 41, the other end fixed connection arc 4 of spring 43, it has sponge layer 5 to glue on the arc 4, sponge layer 5 is connected with the top contact in tunnel, can play a shock-absorbing effect of buffering.

The utility model discloses when concrete implementation: the upright post 1 is used as a core part of a vertical support, the pile 11 is firstly embedded into the corresponding tunnel inner wall where the upright post 1 needs to be placed, then the pile 11 is drilled and filled with a nut, the upright post 1 is drilled, an elongated bolt 12 penetrates through a hole and is in threaded connection with the nut, so that the positioning and fixing of the upright post 1 are completed, in order to prevent the upright post 1 from tilting, the inserted rod 21 is inserted into the ground of a tunnel and penetrates through a lantern ring 2 on the upright post 1, so that the footing stability of the upright post 1 is ensured, then a piston rod of a jack 13 is connected with a bearing plate 15 through a piston rod 14, and the lower end of the jack 13 is fixed with the upright post 1, so that the bearing plate 15 can be erected, the working surface of the tunnel is protected, meanwhile, a buffer rod 42 on the bearing plate 15 is in a buffer sleeve 41 in a sliding fit with the buffer effect of a spring 43, the sponge layer 5 can play a role in connecting and filling, so that an auxiliary damping effect is achieved.

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 working face supporting device, includes stand (1) of setting on the tunnel inner wall, its characterized in that: the tunnel pile is characterized in that a stand column (1) is erected on the ground of the tunnel, a pile column (11) is embedded into the inner wall of the tunnel, the stand column (1) is connected with the pile column (11) through an extension bolt (12), a jack (13) is arranged on the stand column (1), a connecting block (14) is arranged on a piston rod of the jack (13), and a bearing plate (15) is arranged on the connecting block (14).

2. A coal mine driving face support device according to claim 1, wherein: the upright post (1) is welded with a lantern ring (2), and the lantern ring (2) is fixedly embedded into the ground of the tunnel through an inserted bar (21).

3. A coal mine driving face support device according to claim 1, wherein: the connecting block (14) is fixedly connected with a reinforcing rib (3), and the other end of the reinforcing rib (3) is fixedly connected with a bearing plate (15) through an expansion screw.

4. A coal mine driving face support device according to claim 1, wherein: fixedly connected with cushion collar (41) on bearing plate (15), it is provided with buffer beam (42) to slide in cushion collar (41), fixedly connected with arc (4) on buffer beam (42), the port face fixedly connected with spring (43) of cushion collar (41), other end fixed connection arc (4) of spring (43).

5. A coal mine driving face support device according to claim 4, wherein: the arc-shaped plate (4) is adhered with a sponge layer (5), and the sponge layer (5) is in contact connection with the top of the tunnel.