The invention discloses an electric drive rear axle reduction gearbox assembly passive lubricating structure and a vehicle, and belongs to the technical field of automobiles, the electric drive rear axle reduction gearbox assembly passive lubricating structure comprises a gearbox shell, a gearbox front cover, a first gear set, a second gear set, a differential mechanism set, a plurality of oil grooves and a plurality of oil guide grooves; the gearbox shell and the gearbox front cover are connected through bolts to form a sealed cavity for containing all the gear sets and the differential mechanism set. A plurality of oil grooves and oil guide grooves are formed in the gearbox shell and used for guiding and distributing lubricating oil; an oil guide plate and an oil drainage groove are arranged on the gearbox front cover, so that the flowing path of lubricating oil is further optimized; power transmission is achieved between the first gear set and the second gear set through gear meshing, corresponding oil grooves and oil guide grooves are formed in the bearing positions of the gear sets and the differential mechanism set, and sufficient lubrication is guaranteed. The lubricating structure is simple and efficient in design, all key components can be fully lubricated under different working conditions, and therefore the operation stability of the electric drive rear axle reduction gearbox assembly is improved, and the service life of the electric drive rear axle reduction gearbox assembly is prolonged.

    本发明公开了一种电驱动后桥减速箱总成被动式润滑结构及车辆,属于汽车的技术领域,包括变速箱壳体、变速箱前盖、第一齿轮组、第二齿轮组、差速器组以及若干油槽和导油槽;变速箱壳体和变速箱前盖通过螺栓连接形成密封腔体,容纳各齿轮组和差速器组;变速箱壳体上设有若干油槽和导油槽,用于引导和分配润滑油液;变速箱前盖上设有导油板和泄油槽,进一步优化润滑油液的流动路径;第一齿轮组和第二齿轮组之间通过齿轮啮合实现动力传递,各齿轮组和差速器组的轴承位置均布置有相应的油槽和导油槽,确保润滑充分。本发明的润滑结构设计简单高效,能在不同工况下保持各关键部件的充分润滑,从而提高电驱动后桥减速箱总成的运行稳定性和使用寿命。


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    Title :

    Passive lubricating structure of electric drive rear axle reduction gearbox assembly and vehicle


    Additional title:

    一种电驱动后桥减速箱总成被动式润滑结构及车辆


    Contributors:
    ZHAO XIAOPENG (author) / WANG XIWU (author) / WANG WUQIANG (author) / XU FUZHONG (author)

    Publication date :

    2025-02-18


    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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