The invention provides a two-gear variable-speed bridge driving system. An outer shaft (AO) of the bridge driving system is connected with a motor (M), the outer shaft (AO) is provided with a hollow inner cavity, a first half shaft (A1) of a differential (D) penetrates through the inner cavity of the outer shaft (AO), a sun gear of a first planetary gear set (PGS1) is connected with the outer shaft (AO), and a gear ring of the first planetary gear set (PGS1) is connected to a shell. A planet carrier of the first planetary gear set (PGS1) is connected with a sun gear of a second planetary gearset (PGS2), a sun gear of the second planetary gear set (PGS2) is connected to a sun gear of the first planetary gear set (PGS1) through a second clutch (C2), a planet carrier of the second planetarygear set (PGS2) is connected with a differential case of the differential (D), and a ring gear of the second planetary gear set (PGS2) is connected with the shell. According to the bridge driving system, the two independent clutches are used for achieving selection of two transmission ratios, the structure is simple, and control is convenient.

    本发明提供一种两挡变速的电桥驱动系统,该电桥驱动系统的外轴(AO)与电机(M)连接,外轴(AO)具有中空的内腔,差速器(D)的第一半轴(A1)穿过外轴(AO)的内腔,第一行星齿轮组(PGS1)的太阳轮与外轴(AO)连接,第一行星齿轮组(PGS1)的齿圈通过第一离合器(C1)连接到壳体,第一行星齿轮组(PGS1)的行星架与第二行星齿轮组(PGS2)的太阳轮连接,第二行星齿轮组(PGS2)的太阳轮通过第二离合器(C2)连接到第一行星齿轮组(PGS1)的太阳轮,第二行星齿轮组(PGS2)的行星架与差速器(D)的差速器壳连接,第二行星齿轮组(PGS2)的齿圈与壳体连接。根据本发明的电桥驱动系统,其使用两个独立的离合器实现两种传动比的选择,结构简单、控制方便。


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    Titel :

    Two-gear variable-speed bridge driving system


    Weitere Titelangaben:

    两挡变速的电桥驱动系统


    Beteiligte:
    LIU LEI (Autor:in) / XU JUNJIE (Autor:in)

    Erscheinungsdatum :

    05.03.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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