The invention discloses a cabin front longitudinal beam structure. The front longitudinal beam structure comprises a front longitudinal beam middle front section and a front longitudinal beam rear section which are connected by welding, and the front longitudinal beam middle front section comprises a first area, a second area, a third area and a transition subarea connected with the first area, the second area and the third area. The front longitudinal beam rear section comprises a fourth area, a fifth area, a sixth area, a seventh area, an eighth area and the transition subarea connected withthe fourth area, the fifth area, the sixth area, the seventh area and the eighth area. A material thickness of the first area is 1.3-1.5 mm; the material thickness of the second area is 1.6 to 1.8 mm; the material thickness of the third area is 1.3-1.5 mm; the material thickness of the fourth area is 1.3-1.5 mm; the material thickness of the fifth area is 1.7-1.9 mm; the material thickness of thesixth area is 2.1 to 2.3 mm; the material thickness of the seventh area is 1.7-1.9 mm; and the material thickness of the eighth area is 1.1-1.3 mm. The invention further discloses an automobile applying the front longitudinal beam structure. The middle-front section and the rear section of the front longitudinal beam are designed in a partitioned mode, differentiated material thicknesses are designed for all the areas, and an effect that different areas have different strength is achieved.

    本发明公开了一种机舱前纵梁结构,包括焊接连接的前纵梁中前段和前纵梁后段;前纵梁中前段包括第一区、第二区、第三区和连接其的过渡分区;前纵梁后段包括第四区、第五区、第六区、第七区、第八区和连接其的过渡分区;第一区料厚为1.3‑1.5mm;第二区料厚为1.6‑1.8mm;第三区料厚为1.3‑1.5mm;第四区料厚为1.3‑1.5mm;第五区料厚为1.7‑1.9mm;第六区料厚为2.1‑2.3mm;第七区的料厚1.7‑1.9mm;第八区料厚为1.1‑1.3mm。本发明还公开了一种汽车,应用了上述前纵梁结构。本发明将前纵梁中前段和后段进行分区设计,为各区域设计差异化的料厚,起到不同区域具有不同强度的效果。


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    Title :

    Cabin front longitudinal beam structure and automobile


    Additional title:

    一种机舱前纵梁结构及汽车


    Contributors:
    LI ZHENXING (author) / LI WENZHONG (author) / WANG LI (author) / LI LI (author) / GU PENGYUN (author)

    Publication date :

    2020-08-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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