The invention relates to a drive device for a vehicle axle, in particular a rear axle (HA), of a two-track vehicle. The vehicle axle (HA) has an axle differential (3) which can be connected to a primary drive machine at the input side and the vehicle wheels (9) of the vehicle axle (HA) at the output side via the flange shafts (5, 7) arranged at both sides. The vehicle axle (HA) is paired with a shiftable superimposing transmission (25) that can be shifted by means of a torque distribution shift element (MSE) into a torque distribution mode in which a drive torque generated by an additional drive machine (26) can be coupled into one (7) of the flange shafts (5, 7) in a first load path in order to change the torque distribution to the two vehicle wheels (9), and in a second load path, the drive torque generated by the additional drive machine (26) can be coupled into the input side (11) of the axle differential (3). In order to activate a hybrid mode, the superimposing transmission (25)has a hybrid shift element (S1) which couples the drive torque generated by the additional drive machine (26) into the two flange shafts (5, 7) of the vehicle wheels (9) in a uniformly distributed manner in a first transmission stage of the superimposing transmission (25) via the axle differential (3) in a first hybrid shift position (S1) and uncouples the additional drive machine (26) from the superimposing transmission (25) in a neutral position (N). According to the invention, the hybrid shift element (HSE) can be shifted into a second hybrid shift position (S2) in which the drive torque generated by the additional drive machine (26) can be coupled into the two flange shafts (5, 7) of the vehicle wheels (9) in a uniformly distributed manner via the axle differential (3) in a second transmission stage of the superimposing transmission (25).

    本发明涉及一种用于双轮辙车辆的车桥——特别是后桥(HA)——的驱动设备,其中,车桥(HA)具有车桥差速器(3),该车桥差速器能在输入侧与主动力装置连接并且能在输出侧利用布置在两侧的法兰轴(5、7)与车桥(HA)的车轮(9)连接,其中,为车桥(HA)分配有可切换的叠加式传动机构(25),该叠加式传动机构能借助于力矩分配切换元件(MSE)切换到力矩分配模式中,在该力矩分配模式中,在第一负荷路径中,由附加的动力装置(26)产生的驱动力矩能被传递给法兰轴(5、7)中的一个法兰轴(7)中,以改变对两个法兰轴(9)的力矩分配,在第二负荷路径中,由附加的动力装置(26)产生的驱动力矩能被传递给车桥差速器(3)的输入侧(11),其中,为了激活混合动力模式,叠加式传动机构(25)具有混合动力切换元件(S1),该混合动力切换元件在第一混合动力切换位置(S1)中能使由附加的动力装置(26)产生的驱动力矩在叠加式传动机构(25)的第一传动级中通过车桥差速器(3)以均匀分配的方式被传递给车轮(9)的两个法兰轴(5、7)并且在非作用位置(N)中使附加的动力装置(26)与叠加式传动机构(25)脱开。根据本发明,混合动力切换元件(HSE)能切换到第二混合动力切换位置(S2)中,在该第二混合动力切换位置中,由附加的动力装置(26)产生的驱动力矩能在叠加式传动机构(25)的第二传动级中通过车桥差速器(3)以均匀分配的方式被传递给车轮(9)的两个法兰轴(5、7)。


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    Titel :

    Drive device for vehicle axle of two-track vehicle


    Weitere Titelangaben:

    用于双轮辙车辆的车桥的驱动设备


    Beteiligte:
    PINSCHMIDT UDO (Autor:in) / HUMMEL STEFFEN (Autor:in) / WIRTH CHRISTIAN (Autor:in)

    Erscheinungsdatum :

    26.06.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    F16H Getriebe , GEARING / 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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