The invention provides a power-assisted steering system and a commercial vehicle, and relates to the technical field of vehicles, the power-assisted steering system comprises a steering column, a steering gear and a whole vehicle controller, the steering gear comprises an input shaft, a main shell, a steering gear controller, a power assisting device and a rack, and the steering column is connected with the input shaft; the input shaft is rotationally connected with the main shell and provided with a first sensor, the first sensor is used for detecting parameter information in the rotating process of the input shaft and converting the parameter information into a first electric signal, and the vehicle control unit is used for generating a power-assisted curve according to the first electric signal, a vehicle speed signal and a vehicle starting signal and converting the power-assisted curve into a curve signal. The steering gear controller is in signal connection with the power assisting device, the steering gear controller is used for adjusting the output assisting power of the power assisting device according to the curve signal, and the power assisting device comprises a worm and gear reducing mechanism; the input shaft and the worm and gear reducing mechanism are both in transmission fit with the rack. The power-assisted steering system has the advantages of being high in transmission efficiency, good in noise, vibration and sound vibration roughness performance, better in driving control feeling and the like.

    本发明提供了一种助力转向系统及商用车,涉及车辆技术领域,包括转向管柱、转向器和整车控制器,转向器包括输入轴、主壳体、转向器控制器、助力装置和齿条,转向管柱与输入轴连接;输入轴与主壳体转动连接并设有第一传感器,第一传感器用于检测输入轴旋转过程的参数信息并转化为第一电信号,整车控制器用于根据第一电信号、车速信号以及车辆启动信号生成助力曲线并转化为曲线信号,转向器控制器与助力装置信号连接,转向器控制器用于根据曲线信号调整助力装置输出助力的大小,助力装置包括蜗轮蜗杆减速机构;输入轴和蜗轮蜗杆减速机构均与齿条传动配合。上述助力转向系统具有传动效率高,噪声、振动与声振粗糙度性能佳,驾驶操控感更好等优点。


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    Title :

    Power-assisted steering system and commercial vehicle


    Additional title:

    助力转向系统及商用车


    Contributors:
    JIANG TAO (author) / ZHOU WENJIE (author) / JIANG PENG (author) / LI JIANGJIANG (author) / GUO JUNTAO (author) / CHEN HAO (author)

    Publication date :

    2025-02-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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