The invention provides a dual-motor variable-speed electric drive axle system. The dual-motor variable-speed electric drive axle system comprises a first motor (EM1), a second motor (EM2), a first hollow shaft (3-I), a second hollow shaft (3-II), a differential mechanism (D), an intermediate shaft (4), a first clutch (A), a second clutch (B), a lock-up clutch (C) and a gear shifting mechanism (6). A double-motor speed control system is adopted, in the mode switching process, one motor is always kept in power connection, and therefore it can be guaranteed that power is not interrupted in the gear shifting process; three working modes are realized by using two pairs of gear sets, the structure is simple, and the space is saved; the design of two hollow shafts is adopted, the two hollow shafts are connected with the two motors respectively, and large-speed-ratio speed regulation is achieved while the compact structure is achieved; and the first clutch and the second clutch are bidirectionally connected left and right and are coaxially distributed with the lock-up clutch, the same gear shifting mechanism is adopted for control, the structure is compact, and the cost is reduced.

    本发明提供一种双电机变速电驱动桥系统,包括第一电机(EM1)、第二电机(EM2)、第一空心轴(3‑I)、第二空心轴(3‑II)、差速器(D)、中间轴(4)、第一离合器(A)、第二离合器(B)、锁止离合器(C)、及换挡机构(6);采用双电机变速系统,在模式切换过程中,始终保持有一个电机是动力连接的,因此能保证换挡过程中动力不中断;使用两对齿轮组实现三种工作模式,结构简单,节约空间;采用两个空心轴设计,两个空心轴分别连接两个电机,在实现结构紧凑的同时实现大速比调速;通过第一、第二离合器左右双向连接设计,并与锁止离合器同轴分布,采用同一个换挡机构控制,结构紧凑,降低成本。


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    Titel :

    Dual-motor variable-speed electric drive axle system


    Weitere Titelangaben:

    一种双电机变速电驱动桥系统


    Beteiligte:
    HAO QINGJUN (Autor:in) / GENG JIANTAO (Autor:in) / FENG TAO (Autor:in) / LU ZHONGHUA (Autor:in) / CAO ZHENG (Autor:in)

    Erscheinungsdatum :

    2021-07-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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