The invention provides an electric drive axle main reducer shell assembly and a machining method, and relates to the technical field of electric drive axles, and the electric drive axle main reducer shell assembly comprises a main reducer shell and a main reducer shell cover; a cavity is formed in the main reducer shell, a first opening is formed in one of the two opposite side walls of the cavity, a first bearing seat, a second bearing seat and a motor connecting part are arranged on the other side wall of the cavity, a third bearing seat located on the outer side of the cavity is further arranged on the main reducer shell, and the first bearing seat, the second bearing seat and the third bearing seat are coaxially arranged. A second opening and an axle housing connecting part are further arranged on the side wall, facing the third bearing seat, of the cavity; the first outer bearing seat matched with the first bearing seat and the second outer bearing seat matched with the second bearing seat are arranged on the main reducer shell cover, meanwhile, the main reducer shell assembly of the electric drive axle is machined in a combined part machining mode, the axial clearance of a gear shaft and the inter-shaft precision can be guaranteed, the working noise of the electric drive axle is lowered, and the NVH performance of the electric drive axle is improved.

    本申请提供一种电驱桥主减壳总成及加工方法,涉及电驱桥技术领域,该电驱桥主减壳总成包括主减壳和主减壳盖;主减壳内设置有一腔体,腔体相对的两个侧壁中的一者设置有第一开口,另一者设置有第一轴承座、第二轴承座和电机连接部,主减壳上还设置有位于腔体外侧的第三轴承座,第一轴承座、第二轴承座和第三轴承座同轴设置,且腔体朝向第三轴承座的侧壁上还设置有第二开口和桥壳连接部;主减壳盖上设置有与第一轴承座配合的第一外轴承座,以及与第二轴承座配合的第二外轴承座,同时对电驱桥主减壳总成采用合件加工的方式进行加工,可以保证齿轮轴的轴向间隙及轴间精度,降低了电驱桥工作噪声,改善了电驱桥NVH性能。


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    Titel :

    Electric drive axle main reducer shell assembly and machining method


    Weitere Titelangaben:

    一种电驱桥主减壳总成及加工方法


    Beteiligte:
    WANG CHEN (Autor:in) / LIU HONGWEI (Autor:in) / FAN ZHIXIAN (Autor:in) / LAI LI (Autor:in) / ZHANG LIN (Autor:in) / WEI JIANGLONG (Autor:in)

    Erscheinungsdatum :

    2024-03-29


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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