CN211549755U

CN211549755U - Coal mine tunneling and supporting device

Info

Publication number: CN211549755U
Application number: CN202020204749.9U
Authority: CN
Inventors: 肖占步; 张海军; 齐兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-09-22
Anticipated expiration: 2030-02-25

Abstract

The utility model relates to the technical field of coal mine roadway support, and discloses a coal mine tunneling support device, wherein a jack is arranged on the upper surface of an upper mounting frame, four corners of the lower surface of the upper mounting frame are respectively connected with a support rod, the upper end of the jack is connected with a support component, the lower end of the support rod is fixedly connected with a lower mounting frame, the inner side of the support rod is connected with a reinforcing rib, two side surfaces of the lower mounting frame are respectively connected with a fixing component, and four corners of the lower surface of the lower mounting frame are respectively and fixedly provided with a roller, the top surface of a roadway can be tightly attached during support by arranging the support components, the fragments of the contact surface are prevented from falling down, the support safety is increased, the support stability is improved, the rollers can be prevented from contacting the ground during support by arranging the fixing components, the damage of the rollers, the practicability is increased.

Description

Coal mine tunneling and supporting device

Technical Field

The utility model relates to a coal mine tunnel struts technical field, specifically is a coal mine tunnelling supporting device.

Background

Coal is solid combustible mineral formed gradually by burying ancient plants underground and undergoing complex biochemical and physicochemical changes, and is required to be tunneled when a coal mine is mined, but the strength of the coal mine tunnel is unstable, so that collapse is easy to occur to cause danger, and support equipment is generally erected in the tunnel to support the coal mine tunnel.

However, the existing coal mine tunneling support device still has some defects, for example, the surface of the top of a roadway is uneven, the existing coal mine tunneling support device is difficult to be attached to the surface of the roadway to bear the pressure, and the lower end of the existing coal mine tunneling support device is generally provided with a roller which is convenient to move, but the roller is easy to damage when bearing the pressure for a long time. Therefore, the technical personnel in the field provide a coal mine tunneling support device to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery tunnelling supporting device 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, includes the last mounting bracket, the last surface mounting who goes up the mounting bracket has the jack, and goes up the lower surface four corners of mounting bracket and all be connected with the bracing piece, the upper end of jack is connected with supporting component, the lower extreme fixedly connected with of bracing piece is down the mounting bracket, and the inboard of bracing piece is connected with the strengthening rib, the both sides surface of mounting bracket all is connected with fixed subassembly down, and the equal fixed mounting in lower surface four corners of mounting bracket has the gyro wheel down.

As a further aspect of the present invention: the supporting component comprises a first supporting plate, a cushion pad, a second supporting plate and a connecting spring, the upper surface of the first supporting plate is connected with the connecting spring, the upper end of the connecting spring is connected with the second supporting plate, and the cushion pad covers the surface of the second supporting plate.

As a further aspect of the present invention: the fixed subassembly includes fixing bolt, supporting seat, movable frame and connecting rod, the front and back end of movable frame all has fixing bolt through threaded connection, and the equal fixedly connected with connecting rod in both ends around the lower surface of movable frame, the lower extreme of connecting rod is connected with the supporting seat.

As a further aspect of the present invention: the strengthening rib is the component of aluminum alloy material, and the strengthening rib is the cross structure.

As a further aspect of the present invention: the quantity of second backup pad is 4, and the second backup pad pass through coupling spring and first backup pad fixed connection, the blotter is the component of rubber material.

As a further aspect of the present invention: the movable frame is a component made of stainless steel, and the front end and the rear end of the movable frame are connected with the lower mounting frame through fixing bolts.

As a further aspect of the present invention: the cavity is formed in the connecting rod, the spring is connected inside the cavity, and the lower end of the spring is fixedly connected with the supporting seat.

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

1. the utility model is provided with the supporting component, the supporting component can be closely attached to the top surface of the roadway during supporting, fragments contacting the surface are prevented from falling down, the supporting safety is improved, and the supporting stability is improved;

2. the utility model discloses a be provided with fixed subassembly, can avoid gyro wheel and ground contact when supporting, lead to the gyro wheel to damage, put down after the support and be convenient for remove wholly, increased the practicality.

Drawings

FIG. 1 is a schematic structural view of a coal mine tunneling and supporting device;

FIG. 2 is a schematic structural view of a support assembly in a coal mine excavation support device;

FIG. 3 is a schematic view of the installation of a retaining assembly in a coal mine excavation support apparatus;

fig. 4 is a schematic structural diagram of a fixing assembly in a coal mine tunneling support device.

In the figure: 1. a jack; 2. mounting a frame; 3. a lower mounting frame; 4. a support assembly; 401. a first support plate; 402. a cushion pad; 403. a second support plate; 404. a connecting spring; 5. a support bar; 6. reinforcing ribs; 7. a fixing assembly; 701. fixing the bolt; 702. a supporting seat; 703. a movable frame; 704. a connecting rod; 8. and a roller.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, a coal mine tunneling supporting device, including last mounting bracket 2, the last surface mounting who goes up mounting bracket 2 has jack 1, and the lower surface four corners of going up mounting bracket 2 all is connected with bracing piece 5, jack 1's upper end is connected with supporting component 4, mounting bracket 3 under the lower extreme fixedly connected with of bracing piece 5, and the inboard of bracing piece 5 is connected with strengthening rib 6, the both sides surface of lower mounting bracket 3 all is connected with fixed subassembly 7, and the equal fixed mounting in lower surface four corners of mounting bracket 3 has gyro wheel 8 down, strengthening rib 6 is the component of aluminum alloy material, and strengthening rib 6 is the cross structure.

In fig. 2: jack 1's upper end is connected with supporting component 4, supporting component 4 includes first backup pad 401, blotter 402, second backup pad 403 and connecting spring 404, the upper surface of first backup pad 401 is connected with connecting spring 404, connecting spring 404's upper end is connected with second backup pad 403, the surface covering of second backup pad 403 has blotter 402, the quantity of second backup pad 403 is 4, and second backup pad 403 pass through connecting spring 404 and first backup pad 401 fixed connection, blotter 402 is the component of rubber material, through being provided with supporting component 4, can closely laminate tunnel top surface when supporting, avoid the fragment on contact surface to fall down, the security of support has been increased, the stability of support has been improved.

In fig. 3: lower mounting bracket 3's both sides surface all is connected with fixed subassembly 7, fixed subassembly 7 includes fixing bolt 701, supporting seat 702, activity frame 703 and connecting rod 704, the front and back end of activity frame 703 all has fixing bolt 701 through threaded connection, and the equal fixedly connected with connecting rod 704 in both ends around the lower surface of activity frame 703, the lower extreme of connecting rod 704 is connected with supporting seat 702, activity frame 703 is stainless steel's component, and the front and back end of activity frame 703 is connected with lower mounting bracket 3 through fixing bolt 701, the cavity has been seted up to the inside of connecting rod 704, cavity internal connection has the spring, the lower extreme and the supporting seat 702 fixed connection of spring, through being provided with fixed subassembly 7, can avoid gyro wheel 8 and ground contact when supporting, lead to gyro wheel 8 to damage, put down the removal of being convenient for after the support is whole, the practicality has.

The utility model discloses a theory of operation is: when in use, firstly the fixing bolt 701 is loosened to put down the roller 8, then the whole is pushed to move to a position needing to be supported, then the lower mounting frame 3 is lifted upwards, the movable frame 703 is fixed on the outer side of the lower mounting frame 3 through the fixing bolt 701, at the moment, the roller 8 is lifted up to leave the ground, a cavity is arranged inside the connecting rod 704 on the lower surface of the movable frame 703, a spring is connected inside the cavity, the lower end of the spring is fixedly connected with the supporting seat 702, the connecting rod 704 and the supporting seat 702 can bear pressure during supporting, the roller 8 can be prevented from contacting with the ground during supporting by arranging the fixing component 7, the roller 8 is prevented from being damaged, the whole is convenient to move after the supporting is finished, the practicability is increased, then the jack 1 is lifted, the jack 1 drives the first supporting plate 401 and the second supporting plate 403 to move upwards, the lower surface of the second supporting plate, connecting spring 404 is also different according to the different elasticity in height on tunnel top surface, makes second backup pad 403 laminating and tunnel top surface, through being provided with supporting component 4, can closely laminate tunnel top surface when supporting, avoids contact surface's fragment to fall down, has increased the security of support, has improved the stability of support.

The above-mentioned, 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 colliery tunnelling supporting device, includes mounting bracket (2), its characterized in that, the last surface mounting who goes up mounting bracket (2) has jack (1), and goes up the lower surface four corners of mounting bracket (2) and all be connected with bracing piece (5), the upper end of jack (1) is connected with supporting component (4), mounting bracket (3) under the lower extreme fixedly connected with of bracing piece (5), and the inboard of bracing piece (5) is connected with strengthening rib (6), the both sides surface of mounting bracket (3) all is connected with fixed subassembly (7) down, and the equal fixed mounting in lower surface four corners of mounting bracket (3) has gyro wheel (8) down.

2. A coal mine excavation support device according to claim 1, characterized in that the support component (4) comprises a first support plate (401), a cushion pad (402), a second support plate (403) and a connecting spring (404), the connecting spring (404) is connected to the upper surface of the first support plate (401), the second support plate (403) is connected to the upper end of the connecting spring (404), and the cushion pad (402) covers the surface of the second support plate (403).

3. The coal mine excavation supporting device according to claim 1, characterized in that the fixing assembly (7) comprises a fixing bolt (701), a supporting seat (702), a movable frame (703) and a connecting rod (704), the front end and the rear end of the movable frame (703) are both connected with the fixing bolt (701) through threads, the front end and the rear end of the lower surface of the movable frame (703) are both fixedly connected with the connecting rod (704), and the lower end of the connecting rod (704) is connected with the supporting seat (702).

4. A coal mine tunnelling support device as defined in claim 1, in which said reinforcing bars (6) are members of aluminium alloy and the reinforcing bars (6) are of a criss-cross configuration.

5. A coal mine excavation support device according to claim 2, characterized in that the number of the second support plates (403) is 4, the second support plates (403) are fixedly connected with the first support plates (401) through connecting springs (404), and the buffer pads (402) are rubber members.

6. A coal mine excavation supporting device according to claim 3, characterized in that the movable frame (703) is a member made of stainless steel, and the front end and the rear end of the movable frame (703) are connected with the lower mounting frame (3) through fixing bolts (701).

7. A coal mine tunnelling support device as claimed in claim 3, wherein the connecting rod (704) is provided with a cavity therein, a spring is connected to the cavity, and the lower end of the spring is fixedly connected to the support base (702).