CN216765533U

CN216765533U - Safe pedestrian bridge of underground coal mine running equipment

Info

Publication number: CN216765533U
Application number: CN202220414870.3U
Authority: CN
Inventors: 赵琼; 李刚; 脱颖龙; 罗东辉; 陆祖军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-06-17
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to the technical field of underground coal mine equipment, in particular to a safe pedestrian bridge for underground coal mine running equipment, which comprises a bridge body fixedly arranged right above the running equipment, and a first ladder and a second ladder respectively positioned at the left side and the right side of the running equipment; the top and the body fixed connection of crossing of first ladder, and the bottom of first ladder and the interior diapire butt of coal mine tunnel, the top and the body sliding fit of crossing of second ladder, and the bottom of second ladder is higher than the operation equipment, and the bottom mounting of crossing the bridge body is equipped with the shrink hydro-cylinder that the drive second ladder removed along crossing bridge body length direction. According to the utility model, the second ladder is stored below the gap bridge body through the telescopic oil cylinder, so that the right side of the operation equipment can be ensured to pass without obstruction without detaching the second ladder, the transportation of the operation equipment in a coal mine tunnel is facilitated, and the simultaneous operation of the transportation of the operation equipment and the transportation of the coal mine tunnel is realized.

Description

Safe pedestrian bridge of underground coal mine running equipment

Technical Field

The utility model relates to the technical field of underground coal mine equipment, in particular to a safe pedestrian bridge of underground coal mine running equipment.

Background

In the underground coal mine, operators need to span equipment such as a scraper conveyor, a reversed loader, a belt conveyor, a winch steel wire rope and the like during operation due to work requirements, and occasionally, the operators fall on the operating equipment to cause casualty accidents.

In order to facilitate the entering and exiting of operators on two sides of the roadway, a pedestrian bridge must be installed for ensuring the safety of the operators when the operators pass through the operation equipment. However, the coal mine tunnel is narrow, the installed pedestrian bridge is close to the transportation rail, and when underground auxiliary transportation is carried out in the coal mine tunnel, the pedestrian bridge influences the vehicle to walk and needs to be dismantled. Because the pedestrian bridge is large in size, a large amount of labor and time are consumed for integral dismantling and installation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safe pedestrian bridge of underground coal mine running equipment, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a safe pedestrian bridge for underground coal mine operation equipment comprises a bridge body fixedly arranged right above the operation equipment, and a first ladder and a second ladder respectively positioned on the left side and the right side of the operation equipment; the top and the body fixed connection of crossing a bridge of first ladder, just the bottom of first ladder and the interior diapire butt in coal mine tunnel, the top and the body sliding fit of crossing a bridge of second ladder, just the bottom of second ladder is higher than the operation equipment, the bottom mounting of crossing a bridge body is equipped with the shrink hydro-cylinder that the drive second ladder removed along crossing a bridge body length direction, the right-hand member fixedly connected with transverse support pole of crossing a bridge body, the tip of keeping away from the crossing a bridge body on the transverse support pole and the inside wall fixed connection in coal mine tunnel.

Optionally, the first ladder is fixedly provided with a longitudinal supporting rod, and the bottom end of the longitudinal supporting rod is fixedly connected with the inner bottom wall of the coal mine roadway.

Optionally, the bottom of second ladder articulates there is the third ladder, when the stroke of shrink hydro-cylinder reached the biggest, when second ladder and third ladder were in same straight line, just the bottom of third ladder and the interior diapire butt in coal mine tunnel, the terminal surface with the interior diapire butt in coal mine tunnel on the third ladder is the plane.

Optionally, the right side frame fixedly connected with support of operation equipment, the top of support is fixed and is equipped with the gyro wheel, and when the second ladder removed to first ladder direction, the third ladder rolled the cooperation with the gyro wheel.

Optionally, the top end of the second ladder is fixedly connected with a sliding block, the sliding block is a galvanized C-shaped sliding block, and a sliding rail connected with the sliding block in a sliding manner is fixedly arranged at the bottom end of the gap bridge body.

Optionally, the contraction oil cylinder is a double-acting hydraulic cylinder, a piston rod of the contraction oil cylinder is fixedly connected with a push plate, and the push plate is fixedly connected with the second ladder.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the second ladder is stored below the gap bridge body through the contraction oil cylinder, so that the right side of the operation equipment can be ensured to pass without obstruction without disassembling the second ladder, the transportation of the operation equipment in a coal mine tunnel is facilitated, and the simultaneous operation of the transportation of the operation equipment and the transportation of the mine tunnel is realized;

2. according to the utility model, the third ladder is hinged at the bottom end of the second ladder, so that personnel can walk down from the third ladder without jumping down from the second ladder and landing on the ground, safety and reliability are realized, and the third ladder and the second ladder can be folded through the guide of the roller, so that the third ladder is prevented from colliding with operating equipment.

Drawings

FIG. 1 is a schematic structural diagram of a first state of the present invention;

fig. 2 is a schematic structural diagram of a second state of the present invention.

In the figure: 1. a gap bridge body; 2. a first ladder; 3. a second ladder; 4. retracting the oil cylinder; 5. a transverse support bar; 6. a longitudinal support bar; 7. a third ladder; 8. operating the equipment; 9. a support; 10. a roller; 11. a slider; 12. a slide rail; 13. a push plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1 and 2, the utility model provides a safe pedestrian bridge for underground coal mine operation equipment, which comprises a bridge body 1 fixedly arranged right above operation equipment 8, and a first ladder 2 and a second ladder 3 respectively positioned at the left side and the right side of the operation equipment 8. The top of first ladder 2 and the fixed connection of gap bridge body 1, and the bottom of first ladder 2 and the interior diapire butt in coal mine tunnel. The top end of the second ladder 3 is in sliding fit with the gap bridge body 1, the bottom end of the second ladder 3 is higher than the operating equipment 8, and a contraction oil cylinder 4 for driving the second ladder 3 to move along the length direction of the gap bridge body 1 is fixedly arranged at the bottom end of the gap bridge body 1. The right-hand member fixedly connected with of gap bridge body 1 horizontal supporting rod 5, the tip of keeping away from gap bridge body 1 on horizontal supporting rod 5 and the inside wall fixed connection in coal mine tunnel, horizontal supporting rod 5 provides the support for the right side of gap bridge body 1, has improved the stability of gap bridge body 1 installation.

The left and right sides of gap bridge body 1 supports through first ladder 2 and horizontal supporting rod 5 respectively, and personnel can reach to gap bridge body 1 through first ladder 2 on to can jump to the inner diapire in coal mine tunnel from second ladder 3, thereby realize safe gap bridge. Because the bottom of second ladder 3 is higher than the operation equipment, can directly accomodate second ladder 3 in the below of passing a bridge body 1 through shrink hydro-cylinder 4, need not to dismantle second ladder 3, can guarantee that the right side of operation equipment 8 is current unimpeded, is convenient for carry out the fortune material in coal mine tunnel, realizes that 8 fortune materials of operation equipment and mine tunnel fortune material go on simultaneously.

On the basis of the above embodiment, the first ladder 2 is welded with the longitudinal support rod 6 in the embodiment, and the bottom end of the longitudinal support rod 6 is fixedly connected with the inner bottom wall of the coal mine tunnel. The longitudinal support bar 6 provides longitudinal support for the first ladder 2, and improves the stability of the installation of the gap bridge body 1.

On the basis of the above-mentioned embodiment, the bottom of second ladder 3 in this embodiment articulates there is third ladder 7, when the stroke of shrink hydro-cylinder 4 reached the biggest, please refer to fig. 1, when second ladder 3 and third ladder 7 were in the same straight line, and the bottom of third ladder 7 and the interior diapire butt of coal mine tunnel, the terminal surface with the interior diapire butt of coal mine tunnel is the plane on the third ladder 7, there is the effect of shrink hydro-cylinder 4 and is spacing because the top of second ladder 3, third ladder 7 can steadily incline and stand on the interior diapire of coal mine tunnel, personnel can walk down from third ladder 7, and need not jump down from second ladder 3 and fall to the ground. The right side frame of operation equipment 8 is fixedly connected with support 9, and the top of support 9 is fixed and is equipped with gyro wheel 10, and when second ladder 3 moved to first ladder 2 direction, please refer to fig. 2, third ladder 7 and gyro wheel 10 roll cooperation, and under the guide of gyro wheel 10, third ladder 7 can take place to fold with second ladder 3, avoids third ladder 7 and operation equipment 8 to bump.

On the basis of the above embodiments, in the present embodiment, the slide block 11 is fixedly connected to the top end of the second ladder 3, and the slide block 11 is a galvanized C-shaped slide block, which is a well-known technology. The bottom end of the gap bridge body 1 is integrally formed with a slide rail 12 which is connected with the slide block 11 in a sliding way.

On the basis of the above embodiment, in this embodiment, the retracting cylinder 4 is a double-acting hydraulic cylinder, the retracting cylinder 4 is controlled by a hydraulic control system, the hydraulic control system is based on power provided by a motor, a hydraulic pump is used to convert mechanical energy into pressure to push hydraulic oil, and the flow direction of the hydraulic oil is changed by controlling a valve in a hydraulic pipeline, so that a piston in the cylinder is pushed to displace, and a piston rod is made to extend and retract. A piston rod of the retraction cylinder 4 is fixedly connected with a push plate 13, and the push plate 13 is fixedly connected with the second ladder 3.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A colliery is operation equipment safety pedestrian's gap bridge in pit which characterized in that: comprises a gap bridge body (1) fixedly arranged right above the operation equipment (8), and a first ladder (2) and a second ladder (3) which are respectively positioned at the left side and the right side of the operation equipment (8); the top and the body (1) fixed connection of passing a bridge of first ladder (2), just the bottom of first ladder (2) and the interior diapire butt in colliery tunnel, the top and the body (1) sliding fit of passing a bridge of second ladder (3), just the bottom of second ladder (3) is higher than running equipment (8), the bottom mounting of passing a bridge body (1) is equipped with shrink hydro-cylinder (4) that drive second ladder (3) removed along body (1) length direction of passing a bridge, the right-hand member fixedly connected with transverse support pole (5) of passing a bridge body (1), keep away from the tip of body (1) of passing a bridge and the inside wall fixed connection in colliery tunnel on transverse support pole (5).

2. The safe pedestrian bridge of the underground coal mine operation equipment as claimed in claim 1, wherein: the first ladder (2) is fixedly provided with a longitudinal supporting rod (6), and the bottom end of the longitudinal supporting rod (6) is fixedly connected with the inner bottom wall of a coal mine roadway.

3. The safe pedestrian bridge of the underground coal mine operation equipment as claimed in claim 1, wherein: the bottom of second ladder (3) articulates there is third ladder (7), when the stroke of shrink hydro-cylinder (4) reaches the biggest, when second ladder (3) and third ladder (7) are in same straight line, just the bottom of third ladder (7) and the interior diapire butt in coal mine tunnel, be the plane with the terminal surface of the interior diapire butt in coal mine tunnel on third ladder (7).

4. The safe pedestrian bridge of the underground coal mine operation equipment as claimed in claim 3, wherein: the right side frame fixedly connected with support (9) of operation equipment (8), the top of support (9) is fixed and is equipped with gyro wheel (10), when second ladder (3) removed to first ladder (2) direction, third ladder (7) and gyro wheel (10) roll cooperation.

5. The safe pedestrian bridge of the underground coal mine operation equipment as claimed in claim 1, wherein: the top end of the second ladder (3) is fixedly connected with a sliding block (11), the sliding block (11) is a galvanized C-shaped sliding block, and a sliding rail (12) which is connected with the sliding block (11) in a sliding mode is fixedly arranged at the bottom end of the gap bridge body (1).

6. The safe pedestrian bridge of the underground coal mine operation equipment as claimed in claim 1, wherein: the telescopic hydraulic cylinder is characterized in that the telescopic oil cylinder (4) is a double-acting hydraulic cylinder, a piston rod of the telescopic oil cylinder (4) is fixedly connected with a push plate (13), and the push plate (13) is fixedly connected with the second ladder (3).