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An Automobile Steering System Realizing the Ideal Ackermann Angle Relationship

An automobile steering system and steering angle technology, which is applied to steering gears, steering mechanisms, mechanical steering gears, etc., can solve problems such as the inability to realize the left and right wheel Ackerman angles, and achieve the avoidance of uncoordinated left and right wheel angles, simple structure, and reduced The effect of tire wear

Inactive Publication Date: 2019-12-03
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this patent also adopts the traditional fixed rack length setting method, which cannot realize the ideal Ackermann corner of the left and right wheels

Method used

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  • An Automobile Steering System Realizing the Ideal Ackermann Angle Relationship
  • An Automobile Steering System Realizing the Ideal Ackermann Angle Relationship
  • An Automobile Steering System Realizing the Ideal Ackermann Angle Relationship

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Experimental program
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Embodiment 1

[0024] A car steering system that can realize the ideal Ackermann angle relationship, its structure is as follows figure 1 with image 3 As shown, it includes a steering gear housing 7 fixed on the sub-frame of the vehicle, a rack set slidably installed in the steering gear housing 7, and two wheels 10, a rack and pinion transmission mechanism 15, a steering column 11, a ten thousand Knuckle 14, tie rod 9 and steering wheel 13.

[0025] The rack group includes the rack A section 5 and the rack B section 6 connected by the rack equivalent length adjustment mechanism, wherein the rack A section 5 is slidably installed in the steering gear housing 7, and the rack B section 6 is slidably installed In the rack support 8 fixedly connected to the sub-frame of the vehicle, two wheels 10 are respectively arranged at the left / right ends of the rack A section 5 and the rack B section 6 .

[0026] As a preferred embodiment, the rack equivalent length adjustment mechanism includes a moto...

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PUM

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Abstract

The invention relates to an automobile steering system capable of achieving an ideal Ackerman angle relation. The automobile steering system comprises a steering gear shell body fixed to an automobile auxiliary frame, a rack set slidably installed in the steering gear shell body, two wheels, a gear rack transmission mechanism, a steering column and a steering wheel. The rack set comprises a rack A segment and a rack B segment which are connected through a rack equivalent length adjusting mechanism. The rack A segment is slidably installed in the steering gear shell body. The rack B segment is slidably installed in a rack support fixedly connected to the automobile auxiliary frame. The two wheels are further arranged at the ends of the rack A segment and the rack B segment correspondingly. Compared with the prior art, the invention provides the structure of the steering system capable of achieving the ideal Ackerman angle relation under the premise that mechanical connection of the left wheel and the right wheel in the steering system is not cut off, and the performance of the steering system is improved meanwhile the safety is ensured.

Description

technical field [0001] The invention relates to an automobile steering system, in particular to an automobile steering system capable of realizing the ideal Ackermann angle relationship. Background technique [0002] The traditional car steering system basically relies on the rotation of the front wheels. In order to ensure that all the wheels rotate around the same instantaneous steering center, the turning angles of the inner and outer wheels are not equal when turning. The two must satisfy a certain functional relationship, which is what we call Ackerman corner relation. However, the current steering system is limited by the geometrical constraints of the mechanical structure, and can only realize that the inner and outer wheel rotation angles approximately satisfy the Ackermann rotation angle relationship. Therefore, during the steering process of the vehicle, there will be a certain degree of relative sliding between the wheel and the road surface, which will cause tir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D3/12
CPCB62D3/126
Inventor 陈广达王阳阳潘定
Owner TONGJI UNIV