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Drive-by-wire four-wheel independent steering system with steering motor provided on knuckle of McPherson suspension

A four-wheel independent steering and McPherson suspension technology, which is applied to steering mechanisms, electric steering mechanisms, power steering mechanisms, etc., to achieve high efficiency, save space, and increase the effect of limit steering angles

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

[0003] 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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  • Drive-by-wire four-wheel independent steering system with steering motor provided on knuckle of McPherson suspension
  • Drive-by-wire four-wheel independent steering system with steering motor provided on knuckle of McPherson suspension

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Embodiment

[0027] The invention proposes a MacPherson suspension steering knuckle equipped with a steering motor four-wheel independent steering system, that is, the steering servo motor assembly (the servo motor may be used with a reducer, the same below) is arranged on the MacPherson suspension A wire-controlled four-wheel independent steering system with a tie rod on the steering knuckle. The system includes a frame, wheels, suspension and steering servo motor. The suspension is provided with a steering knuckle, and the steering knuckle is connected with the steering servo motor, and the steering knuckle is controlled to rotate around the axis of the steering motor through the steering servo motor. , the wheels fixedly connected to the steering knuckle are correspondingly rotated to realize large-angle wire-controlled independent steering. The suspension is also equipped with a tie rod to guide the movement of the suspension. The system integrates the steering servo motor into the MacP...

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PUM

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Abstract

The present invention relates to a drive-by-wire four-wheel independent steering system with a steering motor provided on a knuckle of a McPherson suspension. The system comprises a frame, wheels, a suspension and the steering motor. The suspension comprises the knuckle, the knuckle is connected with the output shaft of the steering motor through a key, the knuckle is controlled by the steering motor to rotate around the axis of the steering motor, and thus the wheels fixedly connected with the knuckle rotate correspondingly. The suspension is further provided with a lever, for guiding the movement of the suspension. Compared with the prior art, the drive-by-wire four-wheel independent steering system has the advantages of high system integration, short transmission chain of steering motion, an increase in the wheel limit steering angle, higher bearing capacity for aligning torque and the like.

Description

technical field [0001] The invention relates to a wire-controlled four-wheel independent steering system, in particular to a wire-controlled four-wheel independent steering system with a MacPherson suspension steering knuckle provided with a steering motor. 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 control-by-wire four-w...

Claims

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Application Information

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IPC IPC(8): B62D5/04B62D7/18B60G15/06
CPCB62D5/0421B60G15/068B60G2204/129B60G2204/149B62D7/18
Inventor 王心坚孟德建张立军卓桂荣陈辛波余卓平王威
Owner TONGJI UNIV
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