The invention discloses a dual-motor power split hybrid power speed change device which comprises a driving motor, a power generator, a planetary gear mechanism, an intermediate shaft assembly, a differential mechanism assembly and an electric driving input shaft assembly, a planet carrier of the planetary gear mechanism is connected with an engine input shaft, and a gear ring is connected with an engine output gear. The sun gear is connected with a generator motor shaft of the generator; the intermediate shaft assembly comprises an intermediate shaft and an intermediate shaft bull gear, the intermediate shaft is connected with the intermediate shaft bull gear, the electric drive input shaft assembly comprises an electric drive input shaft and an engine output gear, the intermediate shaft bull gear is meshed with the electric drive input shaft, the differential mechanism assembly comprises a differential mechanism gear, and the differential mechanism gear is meshed with the intermediate shaft. A motor shaft of the drive motor is connected with the electric drive input shaft. According to the dual-motor power split hybrid power speed change device, the axial space is saved, the structure is compact, the weight of the speed change device is reduced, and the cost is reduced; the output torque under the pure electric working condition is increased, and the dynamic property of the whole vehicle is improved.

    本发明公开了双电机功率分流混动变速装置,包括:驱动电机、发电机、行星齿轮机构、中间轴组件、差速器组件和电驱动输入轴组件,行星齿轮机构的行星架与发动机输入轴相连,齿圈与发动机输出齿轮相连,太阳轮与发电机的发电机电机轴相连;中间轴组件包括中间轴和中间轴大齿轮,中间轴与中间轴大齿轮相连,电驱动输入轴组件包括电驱动输入轴,发动机输出齿轮、中间轴大齿轮和电驱动输入轴啮合,差速器组件包括差速器齿轮,差速器齿轮与中间轴啮合,驱动电机电机轴与电驱动输入轴相连。本发明提供的双电机功率分流混动变速装置,节约轴向空间,结构紧凑,降低变速装置的重量,降低成本;增大了纯电工况下的输出扭矩,提升了整车动力性。


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    Title :

    Dual-motor power split hybrid power speed change device


    Additional title:

    双电机功率分流混动变速装置


    Contributors:
    TANG YUN (author) / LIANG WEI (author) / CHEN ZHENPO (author) / JIANG CHUNMING (author) / ZHANG TIANWEI (author) / ZHAO YIFAN (author)

    Publication date :

    2024-04-30


    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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