The invention provides a vehicle frame longitudinal beam, a dumper frame and a vehicle. The vehicle frame longitudinal beam includes: an upper plate; a lower plate opposite to the upper plate; four webs, wherein the tops of the webs are connected with the upper plate, the bottoms of the webs are connected with the lower plate, the four webs are oppositely arranged, and the heights of at least part of the web plates are gradually changed in the length direction of the frame longitudinal beam. The webs of the frame longitudinal beam provided by the invention adopt a variable cross-section structure, the cross-section height of a part with a larger load is larger, and the cross-section height of a part with a smaller load is smaller, so that the weight of a vehicle frame can be effectively reduced. Meanwhile, the frame longitudinal beam has the advantages of being simple in structure, light in weight, low in manufacturing precision requirement, low in cost, high in reliability and the like, the production process can be improved, and the production cost can be reduced.

    本发明提供了一种车架纵梁、自卸车车架和车辆。车架纵梁包括:上板;下板,与上板相对设置;四个腹板,腹板的顶部与上板相连,腹板的底部与下板相连,四个腹板相对设置;其中,至少部分腹板的高度沿车架纵梁的长度方向逐渐变化。本发明所提供的车架纵梁的腹板采用了变截面结构,载荷较大部位截面高度较大,载荷较小部位截面高度较小,这样可有效减轻车架重量。同时车架纵梁具有结构简单、轻量化、制造精度要求低、成本低、可靠性高等优点,有助于改善生产工艺,并降低生产成本。


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    Title :

    Vehicle frame longitudinal beam, dumper frame and vehicle


    Additional title:

    车架纵梁、自卸车车架和车辆


    Contributors:
    JIA ZHU (author) / WANG BINHUI (author) / ZHOU XU (author)

    Publication date :

    2021-09-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS



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