The invention relates to the technical field of electric steering systems, in particular to a worm and gear type pure electric steering system for a commercial vehicle, which comprises an input shaft for transmitting torque of a steering wheel; the torsion sensing element is connected with the input shaft; the sensor is connected with the torsion sensing element and outputs a sensing signal based on the elastic deformation of the torsion sensing element; the motor controller is connected with the sensor to receive the sensing signal and output a driving signal; the worm is connected with an output shaft of the motor through a coupling; the worm gear and worm shaft comprises a worm gear part and a worm part which are coaxially arranged, and the worm gear part is in meshed connection with the worm; the transmission shaft is in meshed connection with the worm part; the rocker arm is rigidly connected with the transmission shaft through a spline and drives the whole vehicle to steer according to torque output by the rocker arm. The invention has the advantages of more compact structure, lighter weight, smaller volume, higher reliability, longer service life and lower cost.

    本发明涉及电动转向系统技术领域,具体涉及商用车蜗轮蜗杆式纯电动转向系统,包括,输入轴,传递方向盘的扭矩;扭力感知元件,连接输入轴;传感器,连接扭力感知元件,基于扭力感知元件的弹性形变输出感应信号;电机控制器,连接传感器接收感应信号输出驱动信号;蜗杆,通过联轴器连接电动机的输出轴;蜗轮蜗杆轴,包括同轴设置的蜗轮部和蜗杆部,蜗轮部与蜗杆啮合连接;传动轴,与蜗杆部啮合连接;摇臂,与传动轴通过花键刚性连接,根据摇臂输出的扭矩驱动整车转向。本发明具有结构更加紧凑、重量更轻、体积更小,可靠性更高、使用寿命更长且成本更低的优势。


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    Titel :

    Worm and gear type pure electric steering system of commercial vehicle


    Weitere Titelangaben:

    商用车蜗轮蜗杆式纯电动转向系统


    Beteiligte:
    CHEN FENG (Autor:in) / SI CHENFENG (Autor:in) / LI JIALIANG (Autor:in) / BAO KE (Autor:in) / WANG HUI (Autor:in) / TANG SHENGNAN (Autor:in) / YU JIALE (Autor:in) / LIANG HUAFANG (Autor:in)

    Erscheinungsdatum :

    2023-12-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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