The invention discloses a compact transmission of a full-time four-wheel-drive vehicle. The compact transmission comprises a gearbox shell, wherein an input shaft assembly is arranged on the gearbox shell, and the two ends of the input shaft assembly are connected with bearings of the gearbox shell; the outer side of the input shaft assembly is externally meshed with a reverse gear intermediate gear shaft assembly parallel to the input shaft assembly; an intermediate shaft assembly is externally meshed with the inner side of the reverse gear intermediate gear shaft assembly, one end of the intermediate shaft assembly is connected with the bearing of the gearbox shell, and the intermediate shaft assembly is located on the inner side of the input shaft assembly; one end of the intermediate shaft assembly is fixedly connected with a front drive output shaft assembly which is perpendicular to the intermediate shaft assembly; a front differential assembly is fixedly arranged on one side of the front drive output shaft assembly; the other end of the intermediate shaft assembly is fixedly provided with a central differential assembly which rotates around the same axis with the intermediate shaft assembly; and the other end of the central differential assembly is meshed with a rear drive output shaft assembly. According to the compact transmission, the central differential mechanism is arranged inside, the structure is stable, and steering is easy; and the occupied space is smaller, the weight is smaller, and the power transmission efficiency is improved.

    本发明公开了一种紧凑型全时四驱车辆的变速器。该变速器包括变速箱壳体,所述变速箱壳体上设有两端与其轴承连接的输入轴总成;所述输入轴总成外侧外啮合有与输入轴总成平行的倒挡中间齿轮轴总成;所述倒挡中间齿轮轴总成内侧外啮合有一端与所述变速箱壳体轴承连接的、且位于输入轴总成内侧的中间轴总成;所述中间轴总成一端固定连接有与其呈垂直布置的前驱输出轴总成;所述前驱输出轴总成一侧固设有前差速器总成;所述中间轴总成另一端固设有与其绕同一轴线转动的中央差速器总成;所述中央差速器总成另一端啮合有后驱输出轴总成。本发明将中央差速器布置在内,结构稳定,容易转向;并且其占用空间较小,重量较小,动力传递效率增加。


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    Title :

    Compact transmission of full-time four-wheel-drive vehicle


    Additional title:

    紧凑型全时四驱车辆的变速器


    Contributors:
    WANG ZHI'AO (author) / WANG AOQI (author) / CHEN JING (author) / TIAN ZHEWEN (author) / QIAO WEIGAO (author)

    Publication date :

    2021-05-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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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