CN210106299U

CN210106299U - Brake cooling system and braking system

Info

Publication number: CN210106299U
Application number: CN201920404095.1U
Authority: CN
Inventors: 杨程; 杨楠; 孟峰
Original assignee: AEROSPACE HEAVY ENGINEERING EQUIPMENT Co Ltd
Current assignee: AEROSPACE HEAVY ENGINEERING EQUIPMENT Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-02-21
Anticipated expiration: 2029-03-26

Abstract

The utility model belongs to the technical field of the hydraulic pressure heat dissipation, a brake cooling system is disclosed, include: the cooling oil tank assembly comprises a cooling oil tank assembly, an oil transfer pump, a plurality of cooling loops, a flow control valve group, a safety valve and an oil return branch; the output end of the heat-dissipation oil tank assembly is connected with an oil return port of the heat-dissipation oil tank assembly sequentially through the oil transfer pump and the plurality of heat-dissipation loops, and the plurality of heat-dissipation loops are provided with an oil supply interface and an oil return interface which are connected with a brake; the flow control valve block comprises: a plurality of flow control valves respectively arranged on the plurality of heat dissipation loops; the output end of the oil transfer pump is also connected with an oil return port of the heat-dissipation oil tank assembly through the oil return branch, and the safety valve is arranged on the oil return branch. The utility model provides a stopper cooling system can realize that the stopper of a plurality of whole car different positions realizes unified radiating effect and pressure control.

Description

Brake cooling system and braking system

Technical Field

The utility model relates to a hydraulic pressure heat dissipation technical field, in particular to stopper cooling system and braking system.

Background

The brake is easy to cause the reduction or instability of the working performance of each part of the braking system under the high-temperature condition, thereby causing the reduction of the braking performance of the vehicle, and particularly for special vehicles such as underground explosion-proof electric shovel plate cars and the like, the braking performance plays an important role in production safety. Wet brakes generally used in the prior art can perform circulation heat dissipation to perform forced heat dissipation. However, the wet brake has low pressure-bearing capacity, and the brake is easily damaged due to overhigh pressure during forced circulation heat dissipation; meanwhile, under the condition of simultaneously carrying out circulating heat dissipation on a plurality of brakes, the positions of the brakes to the oil tank are different due to the arrangement of the vehicle body structure, so that the lengths of circulating pipelines are inconsistent, and the heat dissipation effect is not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model provides a brake cooling system and braking system solves among the prior art wet brake circulation heat dissipation and easily appears high pressure damage and the unsatisfactory technical problem of radiating effect.

In order to solve the technical problem, the utility model provides a brake cooling system, include: the cooling oil tank assembly comprises a cooling oil tank assembly, an oil transfer pump, a plurality of cooling loops, a flow control valve group, a safety valve and an oil return branch;

the output end of the heat-dissipation oil tank assembly is connected with an oil return port of the heat-dissipation oil tank assembly sequentially through the oil transfer pump and the plurality of heat-dissipation loops, and the plurality of heat-dissipation loops are provided with an oil supply interface and an oil return interface which are connected with a brake;

the flow control valve block comprises: a plurality of flow control valves respectively arranged on the plurality of heat dissipation loops;

the output end of the oil transfer pump is also connected with an oil return port of the heat-dissipation oil tank assembly through the oil return branch, and the safety valve is arranged on the oil return branch.

Further, the oil transfer pump is a gear pump and is connected with a driving motor.

Further, the flow control valve block comprises: a first throttle, a second throttle, a third throttle and a fourth throttle; the plurality of heat dissipation circuits include: the first heat dissipation loop, the second heat dissipation loop, the third heat dissipation loop and the fourth heat dissipation loop;

the first throttle valve, the second throttle valve, the third throttle valve and the fourth throttle valve are respectively and correspondingly arranged on the first heat dissipation loop, the second heat dissipation loop, the third heat dissipation loop and the fourth heat dissipation loop.

A braking system comprising: the brake and the brake heat dissipation system;

and the brake is respectively connected with the oil supply interface and the oil return interface.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

according to the brake heat dissipation system provided by the embodiment of the application, the circulation loop of the heat dissipation medium is established through the heat dissipation oil tank assembly, the oil transfer pump and the plurality of heat dissipation loops, so that the circulation heat dissipation of the brake is realized; the flow of each branch of the plurality of radiating loops is respectively and pertinently controlled through the flow control valve group, so that the flows acting on the plurality of brakes are consistent, and a uniform radiating effect is achieved; meanwhile, the pressure control of each branch can be realized, and the high-pressure damage risk is reduced. On the other hand, a pressure control structure is formed by the safety valve and the oil return branch, so that the hydraulic pressure of the heat dissipation medium output by the oil transfer pump is below a safety value, and the brake is prevented from being damaged.

Drawings

Fig. 1 is a schematic structural diagram of a brake heat dissipation system provided by the present invention.

Detailed Description

The embodiment of the application provides a brake cooling system, and solves the technical problems that high-pressure damage is easy to occur in the circulation cooling of a wet brake and the cooling effect is not ideal in the prior art.

In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the present disclosure, and it should be understood that the specific features in the embodiments and examples of the present disclosure are detailed descriptions of the technical solutions of the present disclosure, but not limitations of the technical solutions of the present disclosure, and the technical features in the embodiments and examples of the present disclosure may be combined with each other without conflict.

Referring to fig. 1, a brake heat dissipation system includes: the heat dissipation oil tank assembly comprises a heat dissipation oil tank assembly 1, an oil transfer pump 2, a plurality of heat dissipation loops, a flow control valve group 4, a safety valve 41 and an oil return branch.

The output end of the heat dissipation oil tank assembly 1 is connected with the oil return port of the heat dissipation oil tank assembly 1 sequentially through the oil transfer pump 2 and the plurality of heat dissipation loops to form a circulation loop of a heat dissipation medium. The heat dissipation circuits are provided with oil supply interfaces and oil return interfaces which are connected with the brakes and used for conveying and recycling heat dissipation media to the brakes.

The flow control valve block 4 comprises: the flow control valves are respectively arranged on the heat dissipation loops, namely one flow control valve is arranged on each heat dissipation loop, so that the pipeline flow is adjusted in a targeted manner according to the pipeline length from the oil transfer pump 2 to the brake, and the flow acting on the brake after the pipeline loss is considered, so that the heat dissipation effects of all the brakes are consistent, and the reliability of the overall braking effect is ensured.

The output end of the oil delivery pump 2 is also connected with an oil return port of the heat-dissipation oil tank assembly 1 through the oil return branch, and the safety valve 41 is arranged on the oil return branch to control the highest working pressure, so that a high-pressure relief safety structure is realized, and dangerous pressure is avoided.

In this embodiment, the oil pump 2 is a gear pump and is connected to a driving motor 3.

In this embodiment, a conventional four-brake structure will be described as an example.

The flow control valve block 4 comprises: a first throttle valve 42, a second throttle valve 43, a third throttle valve 44, and a fourth throttle valve 45; the plurality of heat dissipation circuits include: the first heat dissipation loop, the second heat dissipation loop, the third heat dissipation loop and the fourth heat dissipation loop;

the first throttle 42, the second throttle 43, the third throttle 44 and the fourth throttle 45 are respectively and correspondingly disposed on the first heat dissipation circuit, the second heat dissipation circuit, the third heat dissipation circuit and the fourth heat dissipation circuit, and provide a specific flow control structure for the first brake 51, the second brake 52, the third brake 53 and the fourth brake 54.

Generally, a turbine flowmeter or other flow monitoring devices are connected in series to the heat dissipation loop, a pressure gauge 6 is connected to an input port of the flow control valve group, and the opening size of the throttle valve is adjusted according to the measured flow, so that the return oil flow of the brakes is basically the same.

A braking system comprising: the brake and the brake heat dissipation system;

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A brake heat dissipation system, comprising: the cooling oil tank assembly comprises a cooling oil tank assembly, an oil transfer pump, a plurality of cooling loops, a flow control valve group, a safety valve and an oil return branch;

2. The brake heat dissipation system of claim 1, wherein: the oil transfer pump is a gear pump and is connected with a driving motor.

3. The brake heat dissipation system of claim 1 or 2, wherein the flow control valve pack comprises: a first throttle, a second throttle, a third throttle and a fourth throttle; the plurality of heat dissipation circuits include: the first heat dissipation loop, the second heat dissipation loop, the third heat dissipation loop and the fourth heat dissipation loop;

4. A braking system, comprising: a brake and the brake heat dissipation system of claim 1;