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Four-wheel independent steering-by-wire system with steering motor positioned at steering knuckle of Macpherson suspension

A four-wheel independent steering and steering motor technology, applied to steering mechanisms, electric steering mechanisms, power steering mechanisms, etc., to achieve the effects of high integration, sensitive steering response, and good suspension kinematics

Inactive Publication Date: 2017-05-31
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing independent steering by wire technology often adopts simple suspension forms such as candle suspension, and it is difficult to take into account the kinematic performance of the suspension while realizing independent steering

Method used

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  • Four-wheel independent steering-by-wire system with steering motor positioned at steering knuckle of Macpherson suspension
  • Four-wheel independent steering-by-wire system with steering motor positioned at steering knuckle of Macpherson suspension

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Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0024] Such as figure 1 Shown is a four-wheel independent steering system by wire in which the steering motor is located at the steering knuckle of the McPherson suspension provided in this embodiment, including the vehicle frame, wheels, suspension and steering motor assembly, the suspension is respectively connected to the wheels and The frame is connected, and the suspension is a McPherson suspension including a lower swing arm, a steering knuckle and a spring damper. The lower swing arm and the spring damper are respectively connected to the frame and the steering knuckle. The as...

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PUM

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Abstract

The invention relates to a four-wheel independent steering-by-wire system with a steering motor positioned at a steering knuckle of a Macpherson suspension. The four-wheel independent steering-by-wire system comprises a frame, wheels, a suspension and a steering motor assembly, wherein the suspension is connected with the wheels and the frame respectively; the suspension is the Macpherson suspension comprising a lower suspension arm, the steering knuckle and a spring absorber, the lower suspension arm and the spring absorber are connected with the frame and the steering knuckle respectively, and the steering knuckle is connected with the wheels; the steering motor assembly is connected with the steering knuckle; and the wheels are driven to steer by driving the steering knuckle. Compared with the prior art, the system has the advantages of high system integration level, high modularization degree, steering response sensitivity, wide steering range and the like.

Description

technical field [0001] The invention relates to the field of electric vehicle chassis and steering, in particular to a wire-controlled four-wheel independent steering system in which a steering motor is located at a steering knuckle of a MacPherson suspension. Background technique [0002] The traditional vehicle steering system ensures that there is a certain functional relationship between the inner and outer wheel angles during steering through the steering trapezoidal mechanism, which approximately satisfies the Ackermann steering law. However, due to the existence of the steering trapezoid, it will inevitably cause the movement interference of the suspension guide mechanism and the steering rod system when the wheels jump up and down, and it is impossible to realize the steering at a large angle. The four-wheel independent steering by wire technology cancels the traditional trapezoidal steering mechanism, which fundamentally solves this problem. The four-wheel-by-wire ...

Claims

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Application Information

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IPC IPC(8): B62D5/04B62D7/14
CPCB62D5/0418B62D7/146
Inventor 张立军孟德建王心坚卓桂荣陈辛波余卓平王威
Owner TONGJI UNIV
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