The invention discloses a coaxial two-gear shifting electric drive assembly for an electric automobile and a control method. The coaxial two-gear shifting electric drive assembly comprises a motor shaft, a clutch, a first sun gear, a first planet gear, a first gear ring, a brake, a first planet carrier, a second sun gear, a second planet gear, a second gear ring, a third planet gear, a second planet carrier and a differential mechanism. The motor shaft is connected with the clutch and the first sun gear, the brake is connected with the first gear ring, and the first sun gear, the first planet gear, the first gear ring and the first planet carrier form a first planet row; the second sun gear is connected with the second planet carrier, the second sun gear, the second planet gear, the third planet gear and the second gear ring form a second planet row, the second planet gear and the third planet gear form a duplex-tooth planet gear, and the second planet carrier is connected with the differential mechanism. The device has the advantages of simple and compact structure and the like.

    本发明公开了一种电动汽车用同轴式两档换档电驱总成及控制方法,包括电机轴、离合器、第一太阳轮、第一行星轮、第一齿圈、制动器、第一行星架、第二太阳轮、第二行星轮、第二齿圈、第三行星轮、第二行星架和差速器;所述电机轴与离合器和第一太阳轮相连,制动器与第一齿圈相连,第一太阳轮、第一行星轮、第一齿圈和第一行星架组成第一行星排;所述第二太阳轮与第二行星架相连,第二太阳轮、第二行星轮、第三行星轮和第二齿圈组成第二行星排,所述第二行星轮和第三行星轮组成双联齿行星轮,所述第二行星架与差速器连接。本发明具有结构简单紧凑等优点。


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    Title :

    Coaxial two-gear shifting electric drive assembly for electric automobile and control method


    Additional title:

    一种电动汽车用同轴式两档换档电驱总成及控制方法


    Contributors:
    LIU WEILIANG (author) / KUANG BAIWEN (author) / LONG RUIZHENG (author) / CHEN ZHICHU (author) / CHEN JIANMING (author) / WU CAN (author) / MA XIAOLI (author)

    Publication date :

    2023-12-15


    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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