CN216277932U

CN216277932U - Supporting device for coal mine tunneling operation

Info

Publication number: CN216277932U
Application number: CN202122696263.9U
Authority: CN
Inventors: 马永龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-12
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a supporting device for coal mine tunneling operation, which comprises a base, wherein a rotating hole is formed in one side of the base, a bidirectional screw rod is arranged in the rotating hole, openings are formed in two sides of the top end of the rotating hole, screw sleeves are sleeved on two sides of the outer wall of the bidirectional screw rod, a first shaft seat is arranged on the upper end surfaces of the screw sleeves on the two sides, a supporting rod is arranged on the upper end surface of the base, a supporting plate is arranged on the upper end surface of the supporting rod, a sliding block is sleeved on the outer wall of the supporting plate, second shaft seats are arranged at two ends of the sliding block, mounting grooves are formed in two sides of the upper end surface of the supporting plate, sliding grooves are formed in the lower end surfaces of the mounting grooves on the two sides, an adjusting plate is arranged on the upper end surfaces of the mounting grooves on the two sides, and a third shaft seat is arranged on the lower end surface of the adjusting plate. The motor drives the two-way lead screw to rotate in the rotating hole, drives the screw sleeves on two sides to move in opposite directions, and enables the first connecting rod on the first shaft seat to rotate, so that the sliding block slides on the supporting rod, and meanwhile, the second connecting rod on the second shaft seat rotates, so that the third shaft seat drives the adjusting plate to slide in the sliding groove.

Description

Supporting device for coal mine tunneling operation

Technical Field

The utility model belongs to the technical field of coal mine excavating devices, and particularly relates to a supporting device for coal mine tunneling operation.

Background

Most coal mine tunnels are generally drilled by blasting and mechanical tunneling, and along with the continuous improvement of the performance of tunneling mechanical equipment, mechanical tunneling becomes the main development direction. However, more than 40% of casualties in coal mine tunneling production operation are roof accidents in the working face supporting process, the tunneling and supporting are always influenced mutually due to the fact that the tunneling space of a roadway is limited and the empty roof operation is not allowed, the supporting must be carried out in time due to the fact that the empty roof operation is not allowed, the supporting always is a bottleneck influencing the progress and the safety of the tunneling operation, the supporting area cannot be adjusted through an existing supporting device, the application range of the whole device is further influenced, the use of people is inconvenient, and the supporting area cannot be adjusted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a supporting device for coal mine tunneling operation, which solves the problem that the supporting area cannot be adjusted in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the novel bearing support is characterized by comprising a base, wherein a rotating hole is formed in one side of the base, a bidirectional screw is arranged in the rotating hole, openings are formed in two sides of the top end of the rotating hole, screw sleeves are sleeved on two sides of the outer wall of the bidirectional screw, two sides of the upper end face of each screw sleeve are provided with a first shaft seat, a supporting rod is arranged on the upper end face of the base, a supporting plate is arranged on the upper end face of each supporting rod, a sliding block is sleeved on the outer wall of the supporting plate, two shaft seats are arranged at two ends of each sliding block, mounting grooves are formed in two sides of the upper end face of each supporting plate, sliding grooves and two sides are formed in the lower end faces of the mounting grooves, adjusting plates are arranged on the upper end faces of the mounting grooves, and third shaft seats are arranged on the lower end faces of the adjusting plates.

Preferably, a first connecting rod is arranged between the first shaft seat and the second shaft seat, and a second connecting rod is arranged between the second shaft seat and the third shaft seat.

Preferably, the two sides of the rotating hole are provided with main bearings, the two ends of the bidirectional screw are inserted into the inner rings of the main bearings, one end of the bidirectional screw is provided with a motor, one side of the base is provided with a stop block, the motor is arranged on the upper end face of the stop block, and the upper end face of the stop block is provided with a protective cover.

Preferably, the bracing piece up end is equipped with the adjustment tank, the adjustment tank interpolation is equipped with the inserted bar, the cover is equipped with the top and pushes away the spring on the inserted bar outer wall, the bracing piece up end is provided with the shock pad, the shock pad up end is provided with the backup pad.

Preferably, one end of the base is provided with a control switch.

1. According to the utility model, the motor is started through the control switch, the motor drives the bidirectional screw rod to rotate in the rotating hole, the screw sleeves on the two sides are driven to move in opposite directions, the first connecting rod on the first shaft seat is rotated, so that the sliding block slides on the supporting rod, meanwhile, the second connecting rod on the second shaft seat is rotated, so that the third shaft seat drives the adjusting plate to slide in the sliding groove, when the third shaft seat moves to the inner walls of the two ends of the sliding groove, the supporting area reaches the maximum, therefore, the problem that the supporting area cannot be adjusted by the supporting device for coal mine tunneling operation is solved, when the supporting device is used, the pushing spring deforms, absorbs pressure, and the shock pad absorbs pressure for the second time, so that the practicability of the device is improved.

Drawings

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

FIG. 2 is a front cross-sectional view of FIG. 1;

FIG. 3 is a top view of FIG. 2;

fig. 4 is an enlarged schematic view of a portion of fig. 2.

In the figure: the device comprises a base 1, a rotating hole 2, a bidirectional screw rod 3, an opening 4, a thread sleeve 5, a first shaft seat 6, a supporting rod 7, a supporting plate 8, a sliding block 9, a second shaft seat 10, an installation groove 11, a sliding groove 12, an adjusting plate 13, a third shaft seat 14, a first connecting rod 15, a second connecting rod 16, a main bearing 17, a motor 18, a stop dog 19, a protective cover 20, an adjusting groove 21, an inserted rod 22, a pushing spring 23, a damping pad 24 and a control switch 25.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, 2, 3 and 4, an embodiment of the utility model provides a support device for coal mine tunneling operation, which comprises a base 1, a rotation hole 2 is arranged on the right side of the base 1, a bidirectional screw 3 is rotatably connected in the rotation hole 2, openings 4 are arranged on two sides of the top end of the rotation hole 2, screw sleeves 5 are sleeved on two sides of the outer wall of the bidirectional screw 3, a first shaft seat 6 is welded on the upper end surface of the screw sleeves 5 on two sides, a support rod 7 is welded on the upper end surface of the base 1, a support plate 8 is arranged on the upper end surface of the support rod 7, a slide block 9 is sleeved on the outer wall of the support plate 8, second shaft seats 10 are welded on two ends of the slide block 9, mounting grooves 11 are arranged on two sides of the upper end surface of the support plate 8, sliding grooves 12 are arranged on the lower end surfaces of the mounting grooves 11 on two sides, an adjusting plate 13 is slidably connected on the upper end surface of the adjusting plate 13, a third shaft seat 14 is welded on the lower end surface of the adjusting plate 13, a first connecting rod 15 is rotatably connected between the first shaft seat 6 and the second shaft seat 10, a second connecting rod 16 is rotatably connected between the second shaft seat 10 and the third shaft seat 14.

As shown in fig. 1, 2, 3 and 4, two sides of the rotation hole 2 are provided with main bearings 17, two ends of the bidirectional screw 3 are inserted into inner rings of the main bearings 17, a motor 18 is welded at the right end of the bidirectional screw 3, the model of the motor 18 is CH22-400-20S, an input end of the motor 18 is connected with a control end of a control switch 25 through a wire, a stopper 19 is welded at one side of the base 1, the motor 18 is welded on the upper end face of the stopper 19, a protective cover 20 is welded on the upper end face of the stopper 19, an adjusting groove 21 is arranged on the upper end face of the support rod 7, an inserting rod 22 is inserted in the adjusting groove 21, a pushing spring 23 is sleeved on the outer wall of the inserting rod 22, the initial state of the pushing spring 23 is a stretching state, a shock pad 24 is welded on the upper end face of the support rod 7, a support plate 8 is welded on the upper end face of the shock pad 24, the front end face of the base 1 is welded with the control switch 25, and the model of the control switch 25 is ASLONG.

The working principle of the embodiment is as follows: when the supporting area needs to be adjusted, firstly, the motor 18 is started through the control switch 25, the motor 18 drives the bidirectional screw rod 3 to rotate in the rotating hole 2, the screw sleeves 5 on two sides are driven to move in opposite directions, the first connecting rod 15 on the first shaft seat 6 is made to rotate, the sliding block 9 is made to slide on the supporting rod 7, meanwhile, the second connecting rod 16 on the second shaft seat 10 is made to rotate, the third shaft seat 14 is made to drive the adjusting plate 13 to slide in the sliding groove 12, when the third shaft seat 14 moves to the inner walls at two ends of the sliding groove 12, the supporting area is maximized, the problem that the supporting area cannot be adjusted by the supporting device for coal mine tunneling operation is solved, when the supporting device is used, the pushing spring 23 deforms to absorb pressure, the shock absorption pad 24 absorbs the pressure for the second time, and the practicability of the supporting device is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. The utility model provides a colliery is strutting arrangement for tunnelling operation which characterized in that: comprises a base (1), wherein a rotating hole (2) is formed in one side of the base (1), a bidirectional screw rod (3) is arranged in the rotating hole (2), openings (4) are formed in two sides of the top end of the rotating hole (2), a screw sleeve (5) is sleeved on two sides of the outer wall of the bidirectional screw rod (3), two sides of the upper end face of the screw sleeve (5) are provided with a first shaft seat (6), a supporting rod (7) is arranged on the upper end face of the base (1), a supporting plate (8) is arranged on the upper end face of the supporting rod (7), a sliding block (9) is sleeved on the outer wall of the supporting plate (8), two second shaft seats (10) are arranged at two ends of the sliding block (9), mounting grooves (11) are formed in two sides of the upper end face of the supporting plate (8), sliding grooves (12) are formed in the lower end faces of the mounting grooves (11), adjusting plates (13) are arranged on two sides of the upper end faces of the mounting grooves (11), and a third shaft seat (14) is arranged on the lower end surface of the adjusting plate (13).

2. The support device for coal mine excavation work according to claim 1, characterized in that: a first connecting rod (15) is arranged between the first shaft seat (6) and the second shaft seat (10), and a second connecting rod (16) is arranged between the second shaft seat (10) and the third shaft seat (14).

3. The support device for coal mine excavation work according to claim 1, characterized in that: the novel bidirectional screw rod is characterized in that main bearings (17) are arranged on two sides of the rotating hole (2), two ends of the bidirectional screw rod (3) are inserted into inner rings of the main bearings (17), a motor (18) is arranged at one end of the bidirectional screw rod (3), a stop block (19) is arranged on one side of the base (1), the motor (18) is arranged on the upper end face of the stop block (19), and a protective cover (20) is arranged on the upper end face of the stop block (19).

4. The support device for coal mine excavation work according to claim 1, characterized in that: the utility model discloses a damping device, including bracing piece (7), bracing piece (7) up end is equipped with adjustment tank (21), adjustment tank (21) interpolation is equipped with inserted bar (22), the cover is equipped with on inserted bar (22) outer wall and pushes away spring (23), bracing piece (7) up end is provided with shock pad (24), shock pad (24) up end is provided with backup pad (8).

5. The support device for coal mine excavation work according to claim 1, characterized in that: one end of the base (1) is provided with a control switch (25).