The invention belongs to the technical field of vehicle driving, and particularly relates to an electric drive assembly, a four-wheel drive system and a vehicle. The electric drive assembly comprises a first motor, a second motor, a first speed reducer, a second speed reducer, a first half shaft and a second half shaft; the output end of the first speed reducer is connected with the first half shaft, the input end of the second speed reducer is connected with the second motor, and the output end of the second speed reducer is connected with the second half shaft; the decoupling rate sigma between the meshing frequency fz of the last-stage reduction gear set of the first speed reducer and the meshing frequency fy of the last-stage reduction gear set of the second speed reducer is larger than 8%, and the decoupling rate is determined according to the meshing frequency fz and the meshing frequency fy.

    本申请属于车辆驱动技术领域,具体涉及一种电驱动总成、四驱系统及车辆,该电驱动总成包括第一电机、第二电机、第一减速器、第二减速器、第一半轴及第二半轴,所述第一减速器的输入端连接所述第一电机,所述第一减速器的输出端连接所述第一半轴,所述第二减速器的输入端连接所述第二电机,所述第二减速器的输出端连接所述第二半轴;所述第一减速器最后一级减速齿轮组的啮合频率fz与所述第二减速器最后一级减速齿轮组的啮合频率fy之间的解耦率σ大于8%,其中,所述解耦率根据所述啮合频率fz和所述啮合频率fy确定。


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    Title :

    Electric drive assembly, four-wheel drive system and vehicle


    Additional title:

    电驱动总成、四驱系统及车辆


    Contributors:
    YANG SHENGLIN (author) / GAO YUAN (author) / YANG NINGNING (author) / ZHANG HEPENG (author) / ZHANG HONGMING (author)

    Publication date :

    2024-12-24


    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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