The invention discloses a power transmission system, a drive axle and an automobile, the power transmission system comprises a drive motor, a differential mechanism and a speed reducer, the drive motor is provided with a motor output shaft extending in the first direction, and the motor output shaft is provided with a first channel penetrating in the first direction; the differential mechanism comprises a differential mechanism shell, two half axle gears and two half axles, the two half axle gears are arranged in the differential mechanism shell and distributed in the first direction at intervals, the two half axles extend in the first direction and are coaxial with the motor output shaft, one ends of the two half axles are connected to the side faces, away from each other, of the two half axle gears respectively, and the other ends of the two half axles are connected to the differential mechanism shell. The half shaft close to the driving motor is arranged in the first channel in a penetrating manner; the speed reducer is arranged between the driving motor and the differential mechanism so as to be in transmission connection with the driving motor and the differential mechanism. The invention aims to solve the problems of strong vibration and poor driving comfort of an existing electric automobile body.

    本发明公开一种动力传动系统、驱动桥以及汽车,动力传动系统包括驱动电机、差速机构以及减速器,驱动电机具有沿第一方向延伸的电机输出轴,电机输出轴形成有沿第一方向贯通设置的第一通道;差速机构包括差速器壳体、两个半轴齿轮以及两个半轴,两个半轴齿轮设于差速器壳体内、并沿第一方向间隔分布,两个半轴均沿第一方向延伸、且与电机输出轴同轴设置,两个半轴的一端分别连接于两个半轴齿轮相远离的侧面,另一端用以传动连接车轮,靠近驱动电机的半轴穿设于第一通道内;减速器设于驱动电机和差速机构之间,以与驱动电机和差速机构传动连接。本发明旨在解决现有的电动汽车车身振动强,驾驶舒适性较差的问题。


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    Title :

    Power transmission system, drive axle and automobile


    Additional title:

    动力传动系统、驱动桥以及汽车


    Contributors:
    GUO YEFAN (author) / ZHANG QI (author) / YANG WENTAO (author) / ZHANG YEPING (author)

    Publication date :

    2023-06-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60B VEHICLE WHEELS , Räder für Fahrzeuge



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