CN212508381U

CN212508381U - Support frame for coal mine safety production

Info

Publication number: CN212508381U
Application number: CN202020928972.8U
Authority: CN
Inventors: 张强; 李文兵; 李建卫; 李康英
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-09
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a support frame for coal mine safety production, including discoid base, the upper end fixedly connected with pneumatic cylinder of base, the upper end fixedly connected with carriage of pneumatic cylinder, the upper end of carriage is rotated and is connected with the multiunit backup pad, and the upper end fixedly connected with annular slide rail of base slides on the annular slide rail and is provided with the multiunit slider, the upper end fixedly connected with protection otter board of slider. The utility model discloses a set up the protection wire net, can avoid the upside soil block to drop and pound the condition of workman, reduce the potential safety hazard; the rotating angle of the supporting plate can be adjusted by arranging the rotating piece and the bolt, so that the supporting device is suitable for supporting different roadways; can protect the lateral wall in colliery tunnel through setting up the protection otter board, avoid causing the damage to the tunnel in transportation or walking process, further lead to the condition of collapsing, owing to be provided with annular slide rail, can adjust the position of each protection otter board according to tunnel actual conditions.

Description

Support frame for coal mine safety production

Technical Field

The utility model belongs to the technical field of coal mine production, especially, relate to a support frame for coal mine safety production.

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. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a 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.

In the work progress in the underground coal mine, need support the tunnel to avoid taking place the condition of collapsing, and current colliery support frame only can carry out good support to the interior top surface in tunnel, and in the actual production process, personnel's flow can cause the damage to the lateral wall in tunnel, greatly increased the probability that the tunnel lateral wall collapses, there is great potential safety hazard.

Therefore, the support frame for coal mine safety production is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the coal mine support frame can not protect the lateral wall of the roadway in the prior art, and providing a support frame for coal mine safety production.

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

the utility model provides a support frame for coal mine safety production, includes discoid base, the upper end fixedly connected with pneumatic cylinder of base, the upper end fixedly connected with carriage of pneumatic cylinder, the upper end of carriage is rotated and is connected with the multiunit backup pad, the upper end fixedly connected with annular slide rail of base, it is provided with the multiunit slider to slide on the annular slide rail, the upper end fixedly connected with protection otter board of slider.

Preferably, the both sides of backup pad all are equipped with the support, through screw fixed connection between support and the connection frame, the backup pad rotates with the support through rotating the piece and is connected, it dies through the bolt fastening lock between piece and the support to rotate.

Preferably, the connection frame comprises a frame body and a connection disc, the connection disc is fixedly connected with the inner side wall of the frame body through a plurality of connection rods, and the hydraulic cylinder is fixedly connected with the connection disc.

Preferably, a protective steel wire mesh is fixedly connected in the frame body.

Preferably, the section of the annular slide rail is T-shaped, and a T-shaped sliding groove corresponding to the annular slide rail is arranged on the lower side of the sliding block.

Preferably, the base is provided with a plurality of fixing pins in a penetrating and sliding mode, and the fixing pins are uniformly distributed around the hydraulic cylinder.

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

1. the hydraulic cylinder is arranged, so that the height of the connecting frame can be adjusted, and the device is suitable for supporting coal mine tunnels with different heights;

2. by arranging the protective steel wire mesh, the condition that the upper soil blocks fall down and hit workers can be avoided, and potential safety hazards are reduced;

3. the rotating angle of the supporting plate can be adjusted by arranging the rotating piece and the bolt, so that the supporting device is suitable for supporting different roadways;

4. the side wall of a coal mine roadway can be protected by arranging the protection screen plates, the roadway is prevented from being damaged in the transportation or walking process, and further collapse is avoided;

5. through setting up the fixed pin, can fix base and ground more firm, difficult emergence is slided.

Drawings

Fig. 1 is a schematic structural view of a support frame for coal mine safety production provided by the utility model;

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

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is a schematic structural view of a connecting frame in a support frame for coal mine safety production according to the present invention;

fig. 5 is the utility model provides a distribution state sketch map of each protection otter board in support frame for coal mine safety in production.

In the figure: the device comprises a base 1, a hydraulic cylinder 2, a connecting frame 3, a supporting plate 4, an annular sliding rail 5, a sliding block 6, a protective screen plate 7, a support 8, a rotating part 9, a bolt 10, a frame body 11, a connecting disc 12, a connecting rod 13, a protective steel wire mesh 14 and a fixing pin 15.

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.

Referring to fig. 1-5, a support frame for coal mine safety production, including discoid base 1, the upper end fixedly connected with pneumatic cylinder 2 of base 1, the upper end fixedly connected with carriage 3 of pneumatic cylinder 2, it is concrete, carriage 3 comprises framework 11 and connection pad 12, connection pad 12 is through many connecting rods 13 and the inside wall fixed connection of framework 11, pneumatic cylinder 2 and connection pad 12 fixed connection, through setting up pneumatic cylinder 2, can adjust the height of carriage 3, be applicable to the not coal mine tunnel support of co-altitude.

Further, fixedly connected with protection wire net 14 in the framework 11 through setting up protection wire net 14, can avoid the upside soil block to drop and pound the workman's the condition, reduces the potential safety hazard.

The upper end of connecting frame 3 is rotated and is connected with multiunit backup pad 4, and is concrete, and the both sides of backup pad 4 all are equipped with support 8, through screw fixed connection between support 8 and the connecting frame 3, and backup pad 4 rotates with support 8 through rotating 9 and is connected, and it dies through the fixed lock of bolt 10 to rotate between 9 and the support 8, through setting up rotation 9 and bolt 10, can adjust the turned angle of backup pad 4, is applicable to the support in different tunnels.

The upper end fixedly connected with annular slide rail 5 of base 1, the slip is provided with multiunit slider 6 on annular slide rail 5, and the cross-section of annular slide rail 5 is the T type, and the downside of slider 6 is equipped with the T type spout that corresponds with annular slide rail 5, and T type spout is the arc setting, makes it slide along annular slide rail 5, through annular slide rail 5 and the T type spout that sets up the T type, can improve slider 6 operating stability.

The upper end fixedly connected with protection otter board 7 of slider 6 can protect the lateral wall in colliery tunnel through setting up protection otter board 7, avoids causing the damage to the tunnel in transportation or walking process, further leads to the condition of collapsing, in addition, owing to be provided with annular slide rail 5, can adjust the position of each protection otter board 7 according to tunnel actual conditions, figure 5 is the distribution condition that each protection otter board 7 is applicable to cross turnout lateral wall protection, turnout both sides protection and T type turnout protection respectively.

Furthermore, the base 1 is provided with a plurality of fixing pins 15 in a penetrating and sliding manner, the fixing pins 15 are uniformly distributed around the hydraulic cylinder 2, and the base 1 and the ground can be fixed more firmly by the aid of the fixing pins 15, so that the base is not prone to sliding.

Now, the operation principle of the present invention is described as follows:

the utility model discloses in the use, at first remove base 1 to the position that needs supported the protection, utilize fixed pin 15 to fix base 1's position after that, then through pneumatic cylinder 2 with the up jack-up of connection frame 3, make backup pad 4 press close to the tunnel top surface, adjust backup pad 4 to suitable angle after that, die with the fixed lock of backup pad 4 with bolt 10, then utilize pneumatic cylinder 2 to continue upwards jack-up with connection frame 3, make backup pad 4 support on the interior top surface in tunnel, accomplish the support to the tunnel top, and finally, according to the distribution in tunnel, adjust slider 6's position, in order to solve the impaired problem that leads to the collapse of tunnel lateral wall.

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 support frame for coal mine safety production, includes discoid base (1), its characterized in that, upper end fixedly connected with pneumatic cylinder (2) of base (1), upper end fixedly connected with carriage (3) of pneumatic cylinder (2), the upper end of carriage (3) is rotated and is connected with multiunit backup pad (4), the upper end fixedly connected with annular slide rail (5) of base (1), it is provided with multiunit slider (6) to slide on annular slide rail (5), the upper end fixedly connected with protection otter board (7) of slider (6).

2. The support frame for the coal mine safety production is characterized in that two sides of the support plate (4) are respectively provided with a support (8), the supports (8) are fixedly connected with the connecting frame (3) through screws, the support plate (4) is rotatably connected with the supports (8) through a rotating piece (9), and the rotating piece (9) and the supports (8) are fixedly locked through bolts (10).

3. The support frame for the coal mine safety production is characterized in that the connecting frame (3) consists of a frame body (11) and a connecting disc (12), the connecting disc (12) is fixedly connected with the inner side wall of the frame body (11) through a plurality of connecting rods (13), and the hydraulic cylinder (2) is fixedly connected with the connecting disc (12).

4. A support frame for coal mine safety production according to claim 3, characterized in that a protective steel wire mesh (14) is fixedly connected in the frame body (11).

5. The support frame for the coal mine safety production is characterized in that the section of the annular slide rail (5) is T-shaped, and a T-shaped sliding groove corresponding to the annular slide rail (5) is formed in the lower side of the sliding block (6).

6. A support frame for coal mine safety production according to claim 1, characterized in that a plurality of fixing pins (15) are slidably arranged on the base (1), and the fixing pins (15) are evenly distributed around the hydraulic cylinder (2).