Multi-link suspension wheel rim drive system of wheel hub motor direct-drive electric vehicle

A technology for in-wheel motors and electric vehicles, applied in suspension, elastic suspension, steering mechanism, etc., can solve the problem of less suspension system, and achieve the effect of reducing the quality of the whole vehicle, meeting the power demand, and reducing the handling stability.

Pending Publication Date: 2017-08-01
SANJIANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing technology, the design of the electric vehicle drive system mainly focuses on the drive mode of the wheel motor, which separates the motor from the

Method used

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  • Multi-link suspension wheel rim drive system of wheel hub motor direct-drive electric vehicle
  • Multi-link suspension wheel rim drive system of wheel hub motor direct-drive electric vehicle
  • Multi-link suspension wheel rim drive system of wheel hub motor direct-drive electric vehicle

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Embodiment 1

[0025] Embodiment 1: The multi-link suspension wheel side drive system of the hub motor direct drive type electric vehicle provided by the present invention is made up of two parts, one is the hub motor direct drive type drive system fixedly connected with the wheel hub, and the other part is A suspension assembly device in which the hub motor shaft is fixedly connected to the steering knuckle and the multi-link.

[0026] The in-wheel motor direct-drive drive system includes a tire 1, a wheel hub 18, a brake disc 6, a brake cylinder 4, and an in-wheel motor 5; the in-wheel motor 5 is fixed on the rim of the wheel hub 18 through a hub bolt 19, and the outer rotor of the in-wheel motor 5 The rotational torque is transmitted to the hub 18 and the tire 1 through the hub bolts 19, driving the tire 1 to rotate synchronously; the outer rotor of the hub motor 5 is fixedly connected with the brake disc 6 through the bolt 46 passing through the bolt hole 45, and the hub motor 5 drives th...

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Abstract

The invention discloses a multi-link suspension wheel rim drive system of a wheel hub motor direct-drive electric vehicle. The multi-link suspension wheel rim drive system comprises a tire, a wheel hub and a wheel hub motor, wherein the wheel hub motor is connected with the wheel hub through wheel hub bolts. A wheel hub motor shaft, a steering knuckle, an upper rear control arm, an upper front control arm, a lower front control arm, a lower rear control arm and a shock absorber are included, wherein the middle of the steering knuckle is connected with the wheel hub motor shaft through a shaft sleeve assembly; the top of the steering knuckle is connected with the upper front control arm and the upper rear control arm in a hinged mode; the bottom of the steering knuckle is connected with the upper rear control arm and the lower rear control arm in a hinged mode; the upper front control arm, the upper rear control arm, the lower front control arm and the lower rear control arm are connected with an auxiliary vehicle frame in a hinged mode; and the top end of the shock absorber is connected with the auxiliary vehicle frame in a hinged mode through an upper U-joint fork, and the bottom end of the shock absorber is connected with the lower front control arm in a hinged mode through a lower U-joint fork. The multi-link suspension wheel rim drive system not only can meet the power requirement of the electric vehicle, but also can reduce the weight of the whole vehicle and improve the power transmission efficiency, and has the effects of simple structure, good traveling stability and flexible controllabitity.

Description

technical field [0001] The invention belongs to the field of chassis design and manufacture of electric vehicles, and in particular relates to a multi-link suspension wheel side drive system in which a hub motor directly drives an electric vehicle. Background technique [0002] Electric vehicles adopt the form of four-wheel independent drive of wheel hub motors, which can omit mechanical components including reducers, differentials and drive shafts, greatly reducing mechanical losses, saving space in the car, achieving lightweight, and reducing electric car curb quality. [0003] The driving force of the hub motor direct drive electric vehicle can be directly and independently controlled, and the dynamic performance is better. However, the introduction of the hub motor also affects the structure and performance of the suspension system and braking system of the electric vehicle. The suspension system composed of in-wheel motors integrates the functions of driving, guiding, ...

Claims

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Application Information

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IPC IPC(8): B60G3/20B60K7/00B62D7/18
CPCB62D7/18B60G3/20B60K7/0007B60G2200/422B60G2200/14B60K2007/0092
Inventor 王冬良季鹏陈南朱礼俊陈家琦
Owner SANJIANG UNIVERSITY
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