Hydraulic brake system and working machinery
A hydraulic brake and hydraulic oil technology, which is applied in the hydraulic field, can solve the problems of high component volume and system energy consumption, and achieve the effect of optimizing the pump source and reducing system energy consumption
Active Publication Date: 2022-06-07
湖州三一装载机有限公司
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Problems solved by technology
[0004] The present invention also provides an operating machine, which is used to solve the problem that in the prior art, as the functions of the hydraulic system increase, the number of pump sources is also increasing. The defect that the braking system cannot meet the demand, by combining the pump sources of the brake pump source, parking pump source and auxiliary oil source, the same pump source can realize the functions of service brake, parking brake and auxiliary oil source , realizing the optimization of the pump source and reducing the energy consumption of the system
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[0065] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions 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. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
[0066] In the description of the embodiments of the present invention, it should be noted that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or p...
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The invention provides a hydraulic braking system and an operating machine. The system includes: a pump source, a brake filling valve group, a parking control valve group, a parking brake, a control pipeline, a brake foot valve group and a driving axle brake; the pump source is connected to the brake filling valve group; the brake filling valve group is connected to the parking control valve group and the brake foot valve group respectively; the parking control valve group is connected to the parking brake and the control pipeline respectively Connection; the brake foot valve group is connected with the drive axle brake; among them, the hydraulic oil of the pump source flows through the parking control valve group to form the parking oil circuit for supplying oil to the parking brake and the auxiliary oil for supplying oil to the control line The hydraulic oil of the pump source flows through the brake filling valve group and the brake foot valve group to form a brake oil circuit for supplying oil to the drive axle brake. The invention achieves the optimization of the pump source and reduces the energy consumption of the system by realizing the functions of driving brake, parking brake and auxiliary oil source through the same pump source.
Description
technical field [0001] The invention relates to the field of hydraulic technology, in particular to a hydraulic braking system and a working machine. Background technique [0002] At present, the mainstream configuration of the brake system is the air brake system, and some high-end configurations are equipped with the hydraulic brake system. With the increase of hydraulic system functions, the number of pump sources is also increasing. However, working machines have higher requirements on the volume of components and energy consumption of the system, so it is urgent to optimize the pump source and reduce the energy consumption of the system. SUMMARY OF THE INVENTION [0003] The present invention provides a hydraulic braking system, which is used to solve the defect in the prior art that with the increase of functions of the hydraulic system, the number of pump sources is also increasing. The pump sources of the source are combined, and the same pump source realizes the...
Claims
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IPC IPC(8): B60T13/16B60T15/36
CPCB60T13/16B60T13/168B60T15/36
Inventor 马立春韦永清季明君
Owner 湖州三一装载机有限公司