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Four-wheel independent steering mechanism and working method

A four-wheel independent steering and steering connection technology, which is applied to the steering mechanism, electric steering mechanism, steering rod, etc., can solve the problems of the overall design of the vehicle body and the large span of the steering mechanism, and achieve good steering function and characteristics. The mechanism is novel, and the effect of improving comfort and stability

Active Publication Date: 2018-08-03
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The arrangement of the above-mentioned steering mechanism has a relatively large span, which makes the overall design of the vehicle body more difficult and has deficiencies.

Method used

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  • Four-wheel independent steering mechanism and working method
  • Four-wheel independent steering mechanism and working method
  • Four-wheel independent steering mechanism and working method

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Embodiment Construction

[0018] Attached below figure 1 , 2 3. The technical solution provided by the present invention is described in more detail. The actual structure and assembly of these embodiments are shown in the accompanying drawings and described as follows. Other forms of changes or modifications can also be made on the basis of the present invention, and all implementation modes cannot be exhaustively listed here. The technical solutions obtained by replacing any technical means of the present invention or combining any number of technical features of the present invention are within the protection scope of the present invention.

[0019] Such as figure 1 As shown, in this embodiment, the steering connection mechanism is hinged with the vehicle frame 2, the upper end of the suspension damping system is connected with the vehicle frame 2, and the lower end is connected with the steering connection mechanism, and the steering transmission shaft 14 passes through the upper connection plate ...

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Abstract

The invention relates to a four-wheeled independent steering mechanism and a working method and belongs to the field of automobiles. The mechanism comprises a stepping motor, a speed reducer, a speed reducing gear pair, a steering transmission shaft, a cushioning spring, a steering connecting mechanism and the like. A steering torque of the motor is transmitted to the steering transmission shaft through a speed reducing mechanism, and the steering torque is provided for a wheel assembly through a ball contact steering knuckle. According to the structure, a steering motor and the speed reducer are integrated into the steering connecting mechanism. The four-wheeled independent steering mechanism is compact in structure, novel in steering transmission and flexible to steer; the cushioning spring is utilized, so that the comfort and stability of vehicle driving are improved; and meanwhile, the four-wheeled independent steering mechanism has important meanings on research, development and design of a four-wheeled independent driving, independent braking and independent steering electric wheel automobile.

Description

technical field [0001] The invention relates to the field of automobiles, in particular to a four-wheel independent steering mechanism and a working method. Background technique [0002] With the continuous development of new energy vehicles and smart vehicles mainly based on electric vehicles, more and more intelligent integration technologies are applied to the field of electric vehicles. The traditional vehicle steering system has gradually been unable to adapt to its complex mechanical structure. The development needs of increasingly integrated and intelligent control. [0003] At present, the existing four-wheel independent steering technology in China mostly uses an independent steering motor to drive the steering shaft through the reduction mechanism, and directly drives the steering kingpin to achieve a wide range of steering angle deflection. For example, Chinese patent document CN103072627A discloses a four-wheel independent steering electric chassis, the structur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D7/14B62D7/22B62D5/04B60G13/02
CPCB60G13/02B62D5/04B62D7/146B62D7/228
Inventor 李玉芳张文浩郭阳东邵东骁赵万忠陈明诺
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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