The invention belongs to the technical field of aluminum alloy auxiliary frames, and provides a longitudinal beam of a lightweight welding aluminum alloy auxiliary frame and a mounting structure of the longitudinal beam, the longitudinal beam comprises a longitudinal beam main body formed by extruding aluminum alloy, the section of the main body is in a shape like a Chinese character'ri ', and a U-shaped groove is formed in the front end of the main body; a releasing structure which is matched with the U-shaped groove and ensures that the longitudinal beam is bent according to the shape in the collision process of the auxiliary frame is arranged at the rear end of the main body, and a front cross beam, a vehicle body installation support and an energy absorption box installation support are arranged on the front portion of the longitudinal beam. The auxiliary frame has the advantages that the crumple characteristic can be induced through the stamping folding groove in the bottom of the rear end of the longitudinal beam and the round hole in the top of the rear end of the longitudinal beam, so that in the collision process of the auxiliary frame, the collision is transmitted to the longitudinal beam through the front cross beam at the front part, and the deformation form of the longitudinal beam reaches a bending mode; a power assembly and forecabin high-pressure casting parts can be effectively protected, the after-sale maintenance cost is reduced, and the vehicle safety is improved.
本发明属于铝合金副车架技术领域,提供了一种轻量化焊接铝合金副车架的纵梁及其安装结构,包括纵梁,纵梁由铝合金挤出成型的主体,主体的截面呈日字型,主体的前端开设有U型槽,在主体的后端上设置有与U型槽相配合并在副车架在碰撞过程保证纵梁按型折弯模式的释放结构,在纵梁的前部设置有前横梁、车身安装支架以及吸能盒安装支架。本发明的优点在于通过纵梁后端底部的冲压折槽和纵梁后端顶部的圆形孔,可以诱导溃缩特征,使得副车架在碰撞过程中,通过前部的前横梁传递到纵梁上,使得纵梁的变形形式达到型折弯模式,可以有效保护动力总成以及前舱高压铸造零件,降低售后维修成本,提高车辆安全性。
Longitudinal beam of lightweight welding aluminum alloy auxiliary frame and mounting structure of longitudinal beam
一种轻量化焊接铝合金副车架的纵梁及其安装结构
2022-12-20
Patent
Elektronische Ressource
Chinesisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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