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Vehicle emergency steering system

An emergency steering and vehicle technology, applied in the field of steering systems, can solve problems such as slow steering process, easy heating of DC motors, and reduced hauling efficiency.

Active Publication Date: 2019-08-13
MCC BAOSTEEL TECH SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the actual use process, due to the limitation of the battery capacity and the characteristics of the DC motor being easy to heat, the power of the auxiliary pump set 45 is small and cannot be used for a long time, which leads to a serious shortage of emergency steering power of the vehicle in the accident, and the steering process is abnormally slow
In order to avoid secondary accidents caused by this, it is necessary to limit the overall moving speed of the trailer and the accident vehicle during the towing process, thereby reducing the haulage efficiency; at the same time, the control method used for emergency steering of the accident vehicle is different from that during normal operation, causing users poor experience

Method used

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Embodiment Construction

[0048] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0049] It should be noted that the structures, proportions, sizes, etc. shown in the drawings of this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention , so it has no technical substantive meaning, and any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the disclosure of the present invention without affecting the functions and objectives of the present invention. within the range covered by the technical content. At the same time, terms such as "upper", ...

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Abstract

The invention provides a vehicle emergency steering system. The system comprises a first steering cylinder, a first steering control component connected with the first steering cylinder, and a first main pump and further comprises a priority valve and a first emergency special pipeline, an input port of the priority valve communicates with an output port of the first main pump through a first connecting channel, a priority port of the priority valve communicates with the first emergency special pipeline through a second connecting channel, a bypass port of the priority valve communicates withthe first steering control component through a third connecting channel, the first emergency special pipeline is used for communicating with a second emergency special pipeline of an accident vehicle,and the second emergency special pipeline communicates with a second steering control component of the accident vehicle. When the accident vehicle needs to steer, the priority port of the priority valve communicates with the input port, and a compression medium generated by the first main pump sequentially flows through the first connecting channel, the priority valve, the first emergency specialpipeline and the second emergency special pipeline and enters the second steering control component of the accident vehicle.

Description

technical field [0001] The invention relates to a steering system, in particular to a vehicle emergency steering system. Background technique [0002] The current multi-axis vehicles mostly use the thrust or pull of the oil cylinder to realize the steering of the vehicle. This part of the hydraulic circuit mostly uses a large-displacement pump, that is, the main pump as the main steering power source; the auxiliary pump set is used as the emergency steering power source; the vehicle's own battery pack is used as the DC power supply of the auxiliary pump set. The simplified schematic diagram of the steering system of the existing multi-axle vehicle is as follows: figure 1 As shown, it generally includes a steering cylinder 41 for driving the wheels to turn, a steering control assembly 42 connected to the steering cylinder 41 through a connecting pipe, a main pump 43 connected to the steering control assembly 42, and a main pump 43 connected to the main pump 43. The main hyd...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D5/065
CPCB62D5/061B62D5/065
Inventor 闫飞张吉胜谢明
Owner MCC BAOSTEEL TECH SERVICE
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