The invention relates to a two-gear power transmission device which is arranged between a power source and a wheel and used for transmitting power of the power source to the wheel, and the two-gear power transmission device comprises a first sub-transmission device, a second sub-transmission device, a third sub-transmission device and a fourth sub-transmission device, the second sub-transmission device is provided with at least one of a sun gear and a gear ring and a planet carrier, and the planet carrier in the second sub-transmission device is permanently connected with the planet carrier in the first sub-transmission device; the switching device is provided with a first combining part and a second combining part and a power input part, the first combining part is permanently connected with one component of the first sub-transmission device and the second sub-transmission device, and the power input part is connected with the other component of the first sub-transmission device and the second sub-transmission device. The first combining part is permanently connected with one of the first sub-transmission device and the second sub-transmission device, the second combining part is permanently connected with the other one of the first sub-transmission device and the second sub-transmission device, and the power input part can be selectively combined with the first combining part and the second combining part.

    本发明涉及一种两挡动力传动装置,设置于动力源和车轮之间,用于将所述动力源的动力传递至所述车轮,所述两挡动力传动装置包括:第一子传动装置,具有太阳轮和齿圈中的至少一者以及行星架;第二子传动装置,具有太阳轮和齿圈中的至少一者以及行星架,且所述第二子传动装置中的行星架与所述第一子传动装置中的行星架永久连接;切换装置,具有第一结合部件和第二结合部件以及动力输入部件,所述第一结合部件与所述第一子传动装置和所述第二子传动装置中的一个构件永久连接,所述第二结合部件与所述第一子传动装置和所述第二子传动装置中的另一个构件永久连接,所述动力输入部件能够选择性地与所述第一结合部件和第二结合部件结合。


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    Title :

    Two-gear power transmission device and vehicle


    Additional title:

    一种两挡动力传动装置以及车辆


    Contributors:
    YANG SHENGQIANG (author) / HONG LIANG (author) / DAI ZHENKUN (author) / WANG YANMING (author) / MA ZHIJING (author) / LU XI (author) / SHI GANG (author)

    Publication date :

    2024-07-26


    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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