Wheel-drive electric vehicle drive-by-wire chassis structure

Abstract

The invention discloses a wheel-drive electric vehicle drive-by-wire chassis structure which comprises a chassis frame. Four single wheel assemblies are arranged at the bottom of the chassis frame andlocated at four corners of the chassis frame respectively, motor mounting plates cooperating with the single wheel assemblies are arranged at the two ends of the chassis frame respectively, and a wireless charging bearing device and a battery placing area are sequentially arranged between the two motor mounting plates. The chassis structure adopts the independent driving, braking, steering and suspension structure, electrification equipment is adopted for all, full electronic control over the chassis is achieved, the space utilization rate of the chassis is increased, and power loss is reduced.

Description

technical field [0001] The invention belongs to the technical field of electric vehicle manufacturing, and relates to a full control-by-wire chassis structure of a wheel-drive electric vehicle. Background technique [0002] In response to global energy shortages and environmental pollution, new energy vehicles represented by electric vehicles have become the best choice to achieve sustainable development of transportation. With the deepening of the electrification and intelligence of automobiles, wheel-drive electric vehicles will surely become the development direction of electric vehicles in the future by virtue of their advantages such as compact structure, flexible layout, and high transmission efficiency. However, the current chassis structure based on mechanical structure is difficult to adapt to the development of wheel-drive electric vehicles and related technologies. In the existing chassis structure, because there is usually only a single power source, the transmi...

AI Technical Summary

Problems solved by technology

However, the current chassis structure mainly based on mechanical structure is difficult to adapt to the development of wheel-drive electric vehicles and related technologies.

In the existing chassis structure, because there is usually only a single power source, the transmission mechanism is required to achieve the purpose of power distribution, which will cause large losses and cannot accurately distribute the driving torque; the existing braking method generally adopts hydraulic braking. The response sensitivity is low and the related structure is large in size and space utilization rate is low; the existing steering method generally adopts the front wheel steering of the trapezoidal mechanical steering structure, and the steering is completed after the differential speed is formed through the differential, resulting in a large steering radius and The steering flexibility is low; the existing passive / semi-active suspension cannot meet the contradictory requirements between ride comfort and handling stability at the same time, and it is difficult to adapt to various road conditions and changes in the driving environment; wireless charging as a The new charging method overcomes the instability of electrical contact and the limitation of the movement of electrical equipment. It has the advantages of flexibility, safety, and reliability. It has become the development trend of vehicle charging in the future. However, the traditional chassis configuration is not designed for wireless charging of electric vehicles. The unique carrying device is not conducive to the development of related technologies

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