The invention belongs to the technical field of drive axles, and discloses a dual-motor coaxial electric drive axle and an electric automobile, the dual-motor coaxial electric drive axle comprises a first half shaft, a second half shaft, a first motor, a second motor, a first planet row, a second planet row, a differential mechanism and a gear shifting device, the first motor, the first planet row, the second motor, the second planet row and the differential mechanism are sequentially arranged at intervals in the axial direction of the axle housing, the first motor comprises a first machine shell and a first rotating shaft, the second motor comprises a second machine shell and a second rotating shaft, and the first planet row comprises a first sun gear, a first planet gear, a first planet carrier and a first gear ring. The first sun gear is coaxially fixed to the first rotating shaft, and the gear shifting device can move relative to the first gear ring and is provided with a first gear, a second gear and a neutral gear. The first planet carrier is connected with the differential through the second planet row; the differential is connected with the first half shaft and the second half shaft. The dual-motor coaxial electric drive axle is simple and compact in structure and small in longitudinal size occupation.

    本发明属于驱动桥技术领域,公开了一种双电机同轴式电驱动桥及电动汽车,双电机同轴式电驱动桥包括第一半轴、第二半轴、第一电机、第二电机、第一行星排、第二行星排、差速器和换挡装置,第一电机、第一行星排、第二电机、第二行星排和差速器沿桥壳的轴向方向依次间隔设置,第一电机包括第一机壳和第一转轴,第二电机包括第二机壳和第二转轴,第一行星排包括第一太阳轮、第一行星轮、第一行星架和第一齿圈,第一太阳轮共轴固定于第一转轴上,换挡装置能相对第一齿圈移动而具有第一档位、第二档位和空档位;第一行星架通过第二行星排连接差速器;差速器连接第一半轴和第二半轴。该双电机同轴式电驱动桥结构简单紧凑,纵向尺寸占用小。


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    Title :

    Dual-motor coaxial electric drive axle and electric automobile


    Additional title:

    一种双电机同轴式电驱动桥及电动汽车


    Contributors:
    SUN YOUQING (author) / LI SONGSONG (author) / CHEN DEXIN (author) / ZHOU HANG (author)

    Publication date :

    2023-09-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / 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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