The invention discloses a tubular column type electric control hydraulic power-assisted steering system of a small automobile. A steering wheel is connected with the input shaft of the steering devicethrough a transition sleeve assembly. The output shaft of the steering device is connected with the input shaft of a rack-and-pinion steering gear through a combined intermediate transmission shaft assembly; an upper-section middle transmission shaft and a lower-section middle transmission shaft are connected through a cross shaft universal joint; a mounting bracket is arranged on the upper-section middle transmission shaft; the mounting bracket comprises a ball bearing and a ball joint, the ball bearing extends in the radial direction to form a rod piece, the rod piece is connected with theball head of the ball joint, the ball bearing is fixed to the upper-section middle transmission shaft, the ball joint comprises the ball head and a ball head pin, the ball head pin is fixed to a framethrough a cotter pin, and the lower end of the lower-section middle transmission shaft is connected with the rack-and-pinion steering gear. The steering portability at a low speed and the steering stability at a high speed are both considered, the reliability is very high, clamping stagnation and abnormal sound caused by transmission of the upper-section transmission shaft and the lower-section transmission shaft are avoided, and the transmission efficiency is greatly improved.

    本发明公开了一种小型汽车的管柱式电控液压助力转向系统,方向盘通过过渡套管总成与转向装置的输入轴连接,转向装置的输出轴与齿轮齿条式转向器输入轴通过组合式中间传动轴总成连接,上段中间传动轴和下段中间传动轴通过十字轴万向节连接,上段中间传动轴上设置有安装支架,所述安装支架包括球轴承和球节,球轴承径向延伸一杆件,所述杆件与球节的球头连接,球轴承固定于上段中间传动轴,所述球节包括球头和球头销,所述球头销通过开口销固定于车架,下段中间传动轴下端与齿轮齿条式转向器连接。兼顾了低速时的转向轻便性和高速时的转向稳定性,可靠性非常高,避免了上下段传动轴传动时引起的卡滞和异响,大大提高了传动效率。


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    Title :

    Tubular column type electric control hydraulic power-assisted steering system of small automobile


    Additional title:

    一种小型汽车的管柱式电控液压助力转向系统


    Contributors:
    AN ZHEN (author) / MA YUNZHEN (author) / DING ZUOPENG (author) / WU JING (author)

    Publication date :

    2020-05-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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