The embodiment of the invention discloses a coaxial two-gear planet row electric drive axle for an automobile. A power output shaft of a driving motor in the electric drive axle is connected with a first-stage sun gear, the first-stage sun gear is externally meshed with a plurality of first-stage planet gears, a plurality of first planet gears are mounted on a first-stage planet carrier, a first-stage gear ring is fixedly mounted on the inner wall of a shell, the plurality of first-stage planet gears are internally meshed with the first-stage gear ring, the first-stage planet carrier is fixedly connected with a second-stage sun gear, the second-stage sun gear is externally meshed with second-stage planet gears, the second-stage planet gears are installed on a second-stage planet carrier and are internally meshed with a second-stage gear ring, a synchronizer gear shifting motor is connected with a synchronizer, and the synchronizer is connected with a differential mechanism. By applyingthe scheme provided by the embodiment of the invention, when the torque and the rotating speed input by the driving motor are not changed, the high torque and the low rotating speed can be output, and the low torque and the high rotating speed can also be output, so that the driving requirements of different road conditions can be met.

    本发明实施例公开一种用于汽车的同轴式两档行星排电驱动桥。该电驱动桥中的驱动电机的动力输出轴与一级太阳轮连接,一级太阳轮与多个一级行星齿轮外啮合,多个一级行星齿轮安装于一级行星架,一级齿圈固定安装于壳体的内壁,多个一级行星齿轮与一级齿圈内啮合,一级行星架与二级太阳轮固定连接,二级太阳轮与多个二级行星齿轮外啮合,多个二级行星齿轮安装于二级行星架,多个二级行星齿轮与二级齿圈内啮合,同步器换挡电机与同步器连接,同步器与差速器连接。应用本发明实施例提供的方案,在驱动电机输入的扭矩和转速不变时,既可以输出高扭矩和低转速又可以输出低扭矩和高转速,可以满足不同路况的驾驶需求。


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    Title :

    Coaxial two-gear planet row electric drive axle for automobile


    Additional title:

    一种用于汽车的同轴式两档行星排电驱动桥


    Contributors:
    LIU SHUCHENG (author) / HAO SHOUGANG (author) / YAO ZHENG (author) / LIU PENGXIANG (author) / LI JIN (author) / JIANG ZEJUN (author)

    Publication date :

    2020-07-24


    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



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