The invention relates to a vehicle power distribution system, in particular to a vehicle transfer case which comprises an input shaft (1), a first output shaft (2) connected with a rear axle and a second output shaft (3) connected with a front axle. The compound planetary gear mechanism comprises a planet carrier, a first sun gear, a first planet gear set, a second sun gear, a second planet gear set, a first gear ring and a second gear ring, and the planet carrier can be selectively connected with the second sun gear through a clutch (5) so that torque of a front axle and torque of a rear axle can be distributed according to a fixed design proportion or distributed according to needs; the first gear ring is configured to be selectively connected with the shell (4) and the planet carrier so that torque of at least two gear transmission ratios can be output to the front axle and the rear axle through different combinations of the gear pairs. In addition, the invention further relates to a power assembly comprising the vehicle transfer case and a vehicle. The vehicle transfer case is compact in structure and small in size.

    本发明涉及车辆动力分配系统,具体涉及一种车辆分动器,包括输入轴(1)、与后桥连接的第一输出轴(2)和与前桥连接的第二输出轴(3),所述输入轴(1)上设有复合行星齿轮机构,该复合行星齿轮机构包括行星架、第一太阳轮、第一行星轮组、第二太阳轮、第二行星轮组、第一齿圈和第二齿圈,所述行星架能够通过离合器(5)选择性地与第二太阳轮相连接,以实现前桥和后轿的扭矩按固定的设计比例分配或按需分配;所述第一齿圈配置为能够选择性地与壳体(4)和行星架连接,以由齿轮副间的不同组合,向所述前桥和后桥输出至少两挡传动比的扭矩。此外本发明还涉及一种包括上述车辆分动器的动力总成以及车辆。本发明的车辆分动器结构紧凑,体积小。


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    Title :

    Vehicle transfer case, power assembly and vehicle


    Additional title:

    一种车辆分动器、动力总成及车辆


    Contributors:
    FAN XIAOLEI (author) / HE MINGWEI (author) / SUN JIAHUI (author) / LI BOTAO (author)

    Publication date :

    2022-03-01


    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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