The invention provides a frame cross member assembly and a welding method thereof. The frame cross beam assembly comprises a beam body assembly, a left supporting frame and a right supporting frame; the beam body assembly comprises a bottom plate, a front plate, a rear plate, a left end cover and a right end cover; the front plate and the rear plate are arranged on the two sides of the bottom plate in the front-back direction, and the rear plate comprises a top wall part, a first side wall part and a second side wall part. The top wall part is arranged between the first side wall part and thesecond side wall part, the top wall part is located above the bottom plate, the second side wall part is connected with the front plate, the two ends of the front plate are provided with a first protruding part and a second protruding part respectively, and the left end cover and the right end cover are arranged at the two ends of the bottom plate in the left-right direction; in the vertical direction, the first protruding part and the second protruding part are both higher than the top wall part, and the upper portion of the left end cover and the upper portion of the right end cover are bothhigher than the top wall part. The left supporting frame is arranged at the left end of the top wall part, and the right supporting frame is arranged at the right end of the top wall part. The heightof the automobile frame can be reduced, and the structural strength and safety are improved.

    本发明提供一种车架横梁组件及其焊接方法,该车架横梁组件包括梁体组件、左支撑架和右支撑架,梁体组件包括底板、前板、后板、左端盖和右端盖,前板和后板沿前后方向设置在底板的两侧,后板包括顶壁部、第一侧壁部和第二侧壁部,顶壁部设置在第一侧壁部和第二侧壁部之间,顶壁部位于底板的上方,第二侧壁部与前板连接,前板的两端分别设置有第一凸起部和第二凸起部,左端盖和右端盖沿左右方向设置在底板的两端,在竖直方向上,第一凸起部和第二凸起部均高于顶壁部,左端盖和右端盖的上部均高于顶壁部;左支撑架设置在顶壁部的左端上,右支撑架设置在顶壁部的右端上。本发明能降低汽车车架高度,提高结构强度和安全性。


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    Title :

    Frame cross member assembly and welding method thereof


    Additional title:

    一种车架横梁组件及其焊接方法


    Contributors:
    LI QINGMU (author)

    Publication date :

    2021-01-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B23K Löten , SOLDERING OR UNSOLDERING



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