CN214874833U

CN214874833U - Positive pressure braking device for rail transport vehicle

Info

Publication number: CN214874833U
Application number: CN202120529710.9U
Authority: CN
Inventors: 肖薇; 沈胜强; 肖连平; 肖龙武; 彭钰锋
Original assignee: Xiangtan Hengxin Industrial Co Ltd
Current assignee: Xiangtan Hengxin Industrial Co Ltd
Priority date: 2021-03-14
Filing date: 2021-03-14
Publication date: 2021-11-26
Anticipated expiration: 2031-03-14

Abstract

The utility model discloses a malleation arresting gear for rail transport vehicle is equipped with the pneumatic cylinder on the mount pad, has the hydraulic stem in the pneumatic cylinder, is equipped with the brake lever at the hydraulic stem front end. The utility model discloses there is following technological effect: 1. when the positive pressure type brake is carried out, the wheels are separated from the track, the brake pads are in contact with the top surface of the track for braking, the contact area is large when the top surface of the track is braked, and in an emergency situation, the braking time is short and the braking distance is short. The structure arrangement is compact, the gravity center position of the vehicle is low, and the safety, the stability and the reliability in the operation are realized. 3. The magnitude of the braking force can be regulated and controlled through the pressure of a hydraulic system, and the universality of the brake is high.

Description

Positive pressure braking device for rail transport vehicle

Technical Field

The utility model relates to a rail transport vehicle braking is applied to mine rail transport equipment such as continuous tractor of mine endless rope, mine card railcar.

Background

The rail transport vehicle is main personnel and material transportation equipment in the mine, and the conditions of galloping, overturning, falling and the like easily occur to the transport vehicle due to the complex working condition environment. In order to improve the running safety of transport vehicles, brakes are usually installed on the vehicles, and at present, three main modes are adopted, wherein one mode is that the vehicles run on a special-shaped track, and the brakes installed on the vehicles can only be suitable for braking the special-shaped track; one is that the vehicle runs on the ordinary orbit, adopt the pressure measurement braking way, the orbit of both sides of brake is grasped the orbit to brake, in this way, because the side surface area of the orbit is limited, and the braking area is small, the magnitude of the braking force is limited; one is that the positive pressure brake is matched with the brake hook claw, but the brake hook claw hooks two sides of the same track, and the brake hook claw cannot pass through the track joint due to the limitation of the track joint under the mine. The traditional braking mode mainly brakes through spring pressure relief, the size of braking force is influenced by spring force, the design and the arrangement of the brake car need to be adjusted according to the size of the braking force, the universality is not strong, in addition, the spring needs to be installed on a frame, the occupied space is large, the gravity center position of the whole car is raised, and the running stability of the brake car and the arrangement of a top system of the brake car are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rail transport vehicle is with malleation arresting gear.

The technical scheme of the utility model, a positive pressure arresting gear for rail transport vehicle is equipped with the pneumatic cylinder on the mount pad, has the hydraulic stem in the pneumatic cylinder, is equipped with the brake lever at the hydraulic stem front end.

The front end of the brake rod is provided with a brake block.

The brake rod is sleeved in the sliding sleeve, and the sliding sleeve is arranged on the machine base.

A spring is arranged in the base, a pressing plate is arranged at the contact end of the brake rod and the hydraulic rod, and the pressing plate presses on the spring.

A guide rod is arranged in the base, and a spring is sleeved on the guide rod.

The utility model discloses there is following technological effect: 1. when the positive pressure type brake is carried out, the wheels are separated from the track, the brake pads are in contact with the top surface of the track for braking, the contact area is large when the top surface of the track is braked, and in an emergency situation, the braking time is short and the braking distance is short. The structure arrangement is compact, the gravity center position of the vehicle is low, and the safety, the stability and the reliability in the operation are realized. 3. The magnitude of the braking force can be regulated and controlled through the pressure of a hydraulic system, and the universality of the brake is high.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is a schematic view of the sectional structure of the present invention during braking.

Fig. 3 is a front view of the utility model in use.

Fig. 4 is a top view of fig. 3.

Detailed Description

As shown in fig. 1 and 2, a positive pressure brake device for a rail transit vehicle is provided with a hydraulic cylinder 2 mounted on a mounting base 1, a hydraulic rod 3 is provided in the hydraulic cylinder 2, and a brake lever 6 is mounted at the tip of the hydraulic rod 3.

The front end of the brake rod 6 is provided with a brake pad 7.

The brake rod 6 is sleeved in the sliding sleeve 5, and the sliding sleeve 5 is arranged on the machine base 4.

A spring 9 is arranged in the machine base 4, a pressure plate 10 is arranged at the contact end of the brake rod 6 and the hydraulic rod 3, and the pressure plate 10 presses the spring 9.

A guide rod 8 is arranged in the machine base 4, and a spring 9 is sleeved on the guide rod 8.

As shown in fig. 3 and 4, the mounting base 1 is mounted on a frame 11 of a rail transport vehicle, the hydraulic cylinder 2 is connected to the hydraulic pump 13 through an oil pipe 21, the hooks 14 are mounted on both outer sides of the frame 11 of the rail transport vehicle, and the hook ends of the hooks 14 extend from the outer side of the rail 12 to the rail web of the rail 12. When braking, the brake lever 6 is pressed on the rail surface of the rail 12 to lift the wheel 12 to be separated from the rail 12, and the hook claw 14 hooks the rail 12 from the rail waist, so that the dangers of overturning, falling and the like are prevented, and the safety is improved.

Claims

1. The utility model provides a rail transport vehicle is with malleation arresting gear which characterized in that: a hydraulic cylinder (2) is arranged on the mounting base (1), a hydraulic rod (3) is arranged in the hydraulic cylinder (2), and a brake rod (6) is arranged at the front end of the hydraulic rod (3).

2. The positive pressure brake device for a rail transit vehicle according to claim 1, characterized in that: the front end of the brake rod (6) is provided with a brake pad (7).

3. The positive pressure brake device for a rail transit vehicle according to claim 1, characterized in that: the brake rod (6) is sleeved in the sliding sleeve (5), and the sliding sleeve (5) is arranged on the machine base (4).

4. The positive pressure brake device for a rail transit vehicle according to claim 3, characterized in that: a spring (9) is arranged in the machine base (4), a pressing plate (10) is arranged at the contact end of the brake rod (6) and the hydraulic rod (3), and the pressing plate (10) is pressed on the spring (9).

5. The positive pressure brake device for a rail transit vehicle according to claim 4, characterized in that: a guide rod (8) is arranged in the machine base (4), and a spring (9) is sleeved on the guide rod (8).