The invention discloses a coaxial type electric driving system and an electric automobile, and relates to the technical field of electric automobiles, the coaxial type electric driving system comprises a driving part, a speed reducer assembly and a differential mechanism assembly, the driving part comprises a driving shaft and a driving part driving the driving shaft to rotate, the driving shaft is arranged in a hollow mode, and the speed reducer assembly is arranged in the driving part; the speed reducer assembly comprises a speed reducer input gear, a speed reducer output gear and an intermediate gear assembly, the differential mechanism assembly comprises a differential mechanism body, a differential mechanism input gear, a first half shaft and a second half shaft, the differential mechanism input gear is externally meshed with the speed reducer output gear and arranged on the driving shaft in a sleeving mode, and the first half shaft and the second half shaft are coaxially arranged; the first half shaft partially extends into the driving shaft and is coaxial with the driving shaft, so that the driving shaft, the speed reducer input gear, the first half shaft, the second half shaft and the differential mechanism input gear are all located on the same axis. According to the invention, a plurality of assemblies are coaxially arranged, so that the overall dimension is smaller, and the structure is more compact.

    本发明公开了一种同轴式电驱动系统及电动汽车,涉及电动汽车技术领域,其中,同轴式电驱动系统包括驱动部、减速器总成以及差速器总成,驱动部包括驱动轴以及驱动所述驱动轴转动的驱动件,驱动轴呈中空设置,减速器总成包括减速器输入齿轮、减速器输出齿轮和中间齿轮组件,差速器总成包括差速器主体、差速器输入齿轮、第一半轴和第二半轴,差速器输入齿轮与减速器输出齿轮外啮合、且套设于驱动轴上,第一半轴和第二半轴同轴设置,第一半轴部分伸入至驱动轴内部、且与驱动轴同轴设置,以使得驱动轴、减速器输入齿轮、第一半轴、第二半轴以及差速器输入齿轮均位于同一轴线上。本发明通过将多个组件同轴设置,外形尺寸更小,结构更为紧凑。


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    Title :

    Coaxial electric driving system and electric automobile


    Additional title:

    一种同轴式电驱动系统及电动汽车


    Contributors:
    LEI JUN (author) / NIE SHAOWEN (author) / LI MANLI (author) / MENG BIN (author) / ZHANG HONG (author)

    Publication date :

    2024-12-17


    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 / B60B VEHICLE WHEELS , Räder für Fahrzeuge



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