An electromechanically assisted steering system is proposed, having a worm drive which comprises a worm shaft and a worm gear, an electric motor which has a drive shaft, and a spring element. At an end assigned to the electric motor, the worm shaft has a first bearing portion which is connected to the drive shaft in a torque-transmitting manner. The worm shaft has a second bearing portion which isarranged at an end of the worm shaft remote from the first bearing portion. The spring element is connected to the first bearing portion or to the second bearing portion so as to transmit axial forcein the axial direction, such that the spring element axially pretensions the worm shaft relative to the worm gear. A tolerance compensation of the worm drive in the axial direction of the worm shaftis carried out exclusively via the spring element.

    本发明提出了一种机电辅助转向系统,该机电辅助转向系统具有蜗杆驱动器、电动马达和弹簧元件,该蜗杆驱动器包括蜗杆轴和蜗轮机构,该电动马达具有驱动轴。蜗杆轴在指配给电动马达的一端具有第一支承部分,该第一支承部分以传递力矩的方式连接至驱动轴。蜗杆轴具有第二支承部分,该第二支承部分布置在蜗杆轴上背离第一支承部分的一端。弹簧元件连接至第一支承部分或第二支承部分,以便在轴向方向上传递轴向力,使得弹簧元件相对于蜗轮机构轴向地预张紧蜗杆轴。对蜗杆驱动器在蜗杆轴的轴向方向上的公差补偿仅经由弹簧元件进行。


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    Titel :

    ELECTROMECHANICALLY ASSISTED STEERING SYSTEM


    Weitere Titelangaben:

    机电辅助转向系统


    Beteiligte:

    Erscheinungsdatum :

    2020-12-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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