CN223594105U - A coal mining roof cutting and pressure relief device - Google Patents

Abstract

The utility model discloses roof cutting pressure relief equipment for coal exploitation, which belongs to the technical field of equipment for coal exploitation and comprises a supporting seat, wherein a bracket is fixedly connected to the supporting seat, a hydraulic rod is arranged in the bracket, the working end of the hydraulic rod is fixedly connected with a bearing frame, the bearing frame is connected with a drilling assembly, a storage groove is formed in the supporting seat, a sliding plate is arranged in the storage groove in a sliding manner, a wheel body is connected below the sliding plate, a dust fall cover is arranged below the bracket and corresponds to the drilling assembly, a dust collector is fixedly connected to the side wall of the supporting seat, the working end of the dust collector is communicated with the dust cover, and the bearing frame is connected with the dust fall cover through an elastic sliding assembly. The utility model can conveniently store the wheel body, thereby ensuring the working stability of equipment, and simultaneously, the dust fall cover is connected with the bearing frame, and the dust fall cover can synchronously move by utilizing the feeding of the hydraulic rod during drilling, thereby rapidly completing the installation and the disassembly of the dust fall cover.

Description

Roof cutting and pressure relief equipment for coal exploitation

Technical Field

The utility model provides a roof cutting and pressure relief device for coal exploitation, belongs to the technical field of devices for coal exploitation, and particularly relates to a drilling device for roof cutting and pressure relief for coal exploitation.

Background

The roof cutting and pressure relief technology is a technology for controlling and reducing roof pressure by roof cutting and pressure relief in the underground coal mining process. The main purpose is in the coal mining process, the roof is handled in advance, the risk of roof collapse is reduced, and therefore the safety and the production efficiency of the mine are improved.

In the roof cutting pressure relief technology, the drilling equipment is frequently used for drilling holes on a top plate, conditions can be provided for subsequent blasting through controlling the drilling position and depth, a large amount of dust is easily generated during drilling holes to influence the construction environment, a shielding assembly is usually arranged in the prior art to reduce dust scattering, however, the shielding assembly is usually required to fully enclose a drill bit to achieve good dust reducing effect, for the shielding assembly, the drilling equipment needs to be installed before drilling holes and then is inconvenient to detach, install and detach, and meanwhile, the conventional drilling equipment is convenient to move, a wheel body is usually arranged, and the existence of the wheel body easily influences the stability of the drilling equipment during working.

Disclosure of utility model

The utility model aims to solve the technical problems that the dust settling effect is poor for drilling equipment used for coal exploitation, the installation and the disassembly of a dust settling cover are troublesome, and meanwhile, the stability of the drilling equipment is easily affected due to the existence of a wheel body.

The technical scheme provided by the utility model is that the roof cutting pressure relief equipment for coal mining comprises a supporting seat, wherein a bracket is fixedly connected to the supporting seat, a hydraulic rod is arranged in the bracket, and the pressure relief equipment further comprises:

The hydraulic rod comprises a bearing frame and a drilling assembly, wherein the working end of the hydraulic rod is fixedly connected with the bearing frame, and the bearing frame is connected with the drilling assembly;

The dust removing device comprises a dust removing cover and a dust collector, wherein the dust removing cover is arranged below a bracket and corresponds to a drilling assembly, the dust collector is fixedly connected to the side wall of a supporting seat, the working end of the dust collector is communicated with the dust removing cover, and the bearing frame is connected with the dust removing cover through an elastic sliding assembly.

The drilling assembly comprises a rotating motor, a drill rod and a drill bit, wherein the rotating motor is fixedly arranged in a bearing frame, the drill rod is fixedly connected to an output shaft of the rotating motor, the drill bit is fixedly connected with the drill rod, the dust cover is arranged in a sliding manner relative to the drill rod, and the drill bit is positioned in the dust fall cover.

The elastic sliding assembly comprises a fixing rod and a spring, wherein the fixing rod is fixedly connected to the dust fall cover, scales are arranged on the fixing rod, the fixing rod slides through the bearing frame, the spring is located between the bearing frame and the dust fall cover, and the spring is sleeved on the fixing rod.

The dust collector is characterized in that a limiting block is arranged on the bearing frame and fixedly connected with the fixed rod, a dust collection pipe is connected to the working end of the dust collector, the dust collection pipe is a hose, and the dust collection pipe is communicated with the dust fall cover.

As an improvement, the supporting seat is provided with an adjusting motor, an output shaft of the adjusting motor is fixedly connected with a screw rod which is rotatably arranged in the storage groove, and the sliding plate is in threaded connection with the screw rod.

The improved storage groove is of a cuboid structure, the sliding plate is of a cuboid structure corresponding to the storage groove, the sliding plate is mutually attached to the inner wall of the storage groove, two adjusting motors are arranged, the two adjusting motors are identical, and the two adjusting motors are synchronously controlled by the same circuit.

The utility model has the beneficial effects that:

1. The working end of the hydraulic rod is fixedly connected with a bearing frame, the bearing frame is connected with the dust fall cover through an elastic sliding assembly, the dust fall cover is connected with the bearing frame, and the dust fall cover can be synchronously driven to move by utilizing the feeding work of the hydraulic rod, so that the dust fall cover can be quickly installed and detached.

2. The wheel body is arranged below the sliding plate and can be conveniently stored, and the wheel body is stored in the storage groove when mobile equipment is not needed, so that the stability of equipment operation can be ensured.

Drawings

Fig. 1 is a perspective view of a roof cutting pressure relief device for coal mining in accordance with the present utility model.

Fig. 2 is a perspective view of another view of a coal mining roof-cutting pressure relief device of the present utility model.

FIG. 3 is a partial cross-sectional view of a coal mining roof-cutting pressure relief device of the present utility model.

Fig. 4 is a cross-sectional view of a support base of a coal mining roof-cutting pressure relief device of the present utility model.

1. A support base; 2, a bracket, 3, a hydraulic rod, 4, a rotating motor, 5, a bearing frame, 6, a drill rod, 7, a dust collector, 8, a dust fall cover, 9, a dust collection pipe, 10, a storage groove, 11, a wheel body, 12, a limiting block, 13, a fixed rod, 14, a spring, 15, a drill bit, 16, an adjusting motor, 17, a screw rod, 18 and a sliding plate.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

According to the utility model, as shown in figures 1-4, the utility model provides a roof cutting and pressure relief device for coal mining, which comprises a supporting seat 1, wherein a bracket 2 is fixedly connected to the supporting seat 1, a hydraulic rod 3 is arranged in the bracket 2, and the device further comprises:

The hydraulic rod comprises a bearing frame 5 and a drilling assembly, wherein the working end of the hydraulic rod 3 is fixedly connected with the bearing frame 5, and the drilling assembly is connected to the bearing frame 5;

The dust settling device comprises a dust settling cover 8 and a dust collector 7, wherein the dust settling cover 8 is arranged below a bracket 2, the dust settling cover 8 corresponds to a drilling assembly, the dust collector 7 is fixedly connected to the side wall of a supporting seat 1, the working end of the dust collector 7 is communicated with the dust cover, and a bearing frame 5 is connected with the dust settling cover 8 through an elastic sliding assembly.

As shown in fig. 1 and 3, the drilling assembly comprises a rotating motor 4, a drill rod 6 and a drill bit 15, wherein the rotating motor 4 is fixedly arranged in a bearing frame 5, the drill rod 6 is fixedly connected to an output shaft of the rotating motor 4, the drill bit 15 is fixedly connected with the drill rod 6, a dust cover is arranged in a sliding manner relative to the drill rod 6, and the drill bit 15 is positioned in a dust fall cover 8, so that a good protection effect can be achieved on the drill bit 15, dust scattering is avoided, and the environment is influenced.

As shown in FIG. 3, the elastic sliding component comprises a fixed rod 13 and a spring 14, wherein the fixed rod 13 is fixedly connected to the dust fall cover 8, scales are arranged on the fixed rod 13, the fixed rod 13 slides through the bearing frame 5, a worker can conveniently monitor the drilling depth by observing the scale change of the fixed rod 13, the spring 14 is positioned between the bearing frame 5 and the dust fall cover 8, and the spring 14 is sleeved on the fixed rod 13. The dust collector comprises a bearing frame 5, a dust collector 7, a dust collecting pipe 9 and a dust reducing cover 8, wherein the bearing frame 5 is provided with a limiting block 12, the limiting block 12 is fixedly connected with a fixing rod 13, the dust collecting cover and the bearing frame 5 can be prevented from being separated, the working end of the dust collector 7 is connected with the dust collecting pipe 9, the dust collecting pipe 9 is communicated with the dust reducing cover 8, the dust collecting pipe 9 is a hose which is long enough, and the dust collecting pipe 8 can be ensured to be communicated with the dust collecting cover 8 in the vertical sliding process, so that the dust collector 7 and the dust collecting pipe 9 can be utilized to play a role of reducing dust in the dust reducing cover 8.

As shown in fig. 4, the supporting seat 1 is provided with an adjusting motor 16, an output shaft of the adjusting motor 16 is fixedly connected with a screw rod 17 rotatably arranged in the accommodating groove 10, and a sliding plate 18 is in threaded connection with the screw rod 17. The accommodating groove 10 is of a cuboid structure, the sliding plate 18 is of a cuboid structure corresponding to the accommodating groove 10, the sliding plate 18 is mutually attached to the inner wall of the accommodating groove 10, rotation of the sliding plate 18 can be limited, rotation of the screw rod 17 is converted into movement of the sliding plate 18, two adjusting motors 16 are arranged, the two adjusting motors 16 are identical, the two adjusting motors 16 are synchronously controlled by the same circuit, and movement consistency of all the wheel bodies 11 can be guaranteed.

Principles of the utility model

As shown in fig. 1 and 2, when the application is used, the wheel body 11 is positioned in the accommodating groove 10, and the supporting seat 1 is contacted with the ground, so that the stability of the equipment during drilling operation is ensured. The hydraulic rod 3 is started to drive the bearing frame 5, the drill rod 6 and the dust fall cover 8 to move downwards, and meanwhile, the rotary motor 4 is started to drive the drill rod 6 and the drill bit 15 to rotate, as shown in fig. 3, when the dust fall cover 8 and the drill bit 15 are simultaneously contacted with the ground, the rotary drill bit 15 drills into the ground along with the continuous operation of the hydraulic rod 3 and is blocked by the ground, the dust fall cover 8 is kept motionless, the effect of omnibearing dust fall on the periphery of the drill bit 15 can be achieved, meanwhile, when the bearing frame 5 moves downwards, the spring 14 can be compressed, so that the spring 14 generates resilience force, and the attaching stability of the dust fall cover 8 and the ground is improved. Simultaneously, the dust collector 7 is started, and the dust collector 7 and the dust collection pipe 9 are utilized to collect dust inside the dust fall cover 8. When the drilling is finished, the hydraulic rod 3 is utilized to drive the bearing frame 5 to move upwards, the drill bit 15 is taken out, and meanwhile, the dust fall cover 8 can be separated from the ground, so that the dust fall cover 8 can be quickly detached.

As shown in fig. 4, when the equipment needs to be moved, two adjusting motors 16 are started simultaneously to drive the screw rod 17 to rotate, and the sliding plate 18 drives the wheel body 11 to move downwards until the wheel body 11 is exposed from the storage groove 10, and the wheel body 11 replaces the supporting seat 1 to be in contact with the ground, so that the whole equipment is convenient to move.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (6)

1. The roof cutting and pressure relief equipment for coal exploitation comprises a supporting seat (1), wherein a support (2) is fixedly connected to the supporting seat (1), a hydraulic rod (3) is arranged in the support (2), and the roof cutting and pressure relief equipment is characterized by further comprising:

The hydraulic drilling device comprises a bearing frame (5) and a drilling assembly, wherein the working end of a hydraulic rod (3) is fixedly connected with the bearing frame (5), the bearing frame (5) is connected with the drilling assembly, a storage groove (10) is formed in a supporting seat (1), a sliding plate (18) is arranged in the storage groove (10) in a sliding manner, and a wheel body (11) is connected below the sliding plate (18);

The dust removing device comprises a dust removing cover (8) and a dust collector (7), wherein the dust removing cover (8) is arranged below the support (2), the dust removing cover (8) corresponds to a drilling assembly, the dust collector (7) is fixedly connected to the side wall of the support seat (1), the working end of the dust collector (7) is communicated with the dust removing cover, and the bearing frame (5) is connected with the dust removing cover (8) through an elastic sliding assembly.

2. The roof cutting and pressure relief device for coal mining, as claimed in claim 1, wherein the drilling assembly comprises a rotary motor (4), a drill rod (6) and a drill bit (15), the rotary motor (4) is fixedly arranged in the bearing frame (5), the drill rod (6) is fixedly connected to an output shaft of the rotary motor (4), the drill bit (15) is fixedly connected with the drill rod (6), the dust cover is slidably arranged relative to the drill rod (6), and the drill bit (15) is arranged in the dust fall cover (8).

3. The roof cutting pressure relief device for coal mining according to claim 2, wherein the elastic sliding assembly comprises a fixed rod (13) and a spring (14), the fixed rod (13) is fixedly connected to the dust fall cover (8), scales are arranged on the fixed rod (13), the fixed rod (13) slides through the bearing frame (5), the spring (14) is located between the bearing frame (5) and the dust fall cover (8), and the spring (14) is sleeved on the fixed rod (13).

4. The roof cutting pressure relief device for coal mining according to claim 3, wherein a limiting block (12) is arranged on the bearing frame (5), the limiting block (12) is fixedly connected with a fixed rod (13), a dust collection pipe (9) is connected to the working end of the dust collector (7), the dust collection pipe (9) is a hose, and the dust collection pipe (9) is communicated with the dust fall cover (8).

5. The roof cutting and pressure relief device for coal mining is characterized in that an adjusting motor (16) is arranged on the supporting seat (1), a screw rod (17) which is rotatably arranged in the storage groove (10) is fixedly connected to an output shaft of the adjusting motor (16), and the sliding plate (18) is in threaded connection with the screw rod (17).

6. The roof cutting pressure relief device for coal mining according to claim 5, wherein the storage tank (10) is of a cuboid structure, the sliding plate (18) is of a cuboid structure corresponding to the storage tank (10), the sliding plate (18) is attached to the inner wall of the storage tank (10), two adjusting motors (16) are arranged, the two adjusting motors (16) are identical, and the two adjusting motors (16) are synchronously controlled by the same circuit.