Vehicle and main and auxiliary double-longitudinal-beam connecting mechanism thereof

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Vehicle and main and auxiliary double-longitudinal-beam connecting mechanism thereof

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WANG GUANGYAO / ZHANG SHIZHAN / MEI HAILONG / XIAO QI / SHEN ZHENYU

The invention discloses a main and auxiliary double-longitudinal-beam connecting mechanism used for connecting an auxiliary frame of a vehicle. The main and auxiliary double-longitudinal-beam connecting mechanism comprises a main longitudinal beam and an auxiliary longitudinal beam which are fixed to each other, wherein the main longitudinal beam is used for collision energy absorption, and the auxiliary longitudinal beam is used for being connected with the auxiliary frame. According to the vehicle and the main and auxiliary double-longitudinal-beam connecting mechanism thereof provided by the scheme, the structural member which is used for bearing the weight of the auxiliary frame and the part which absorbs energy in collision are separated and are respectively borne by the auxiliary longitudinal beam and the main longitudinal beam, so that the structural design can be respectively required, the corresponding strength requirement is met, the structural reliability is improved, and the design is convenient.

本发明公开一种主副双纵梁连接机构，用于连接车辆的副车架，所述主副双纵梁连接机构包括相固定的主纵梁和副纵梁，所述主纵梁用于碰撞吸能，所述副纵梁用于连接所述副车架。本方案提供的车辆及其主副双纵梁连接机构，将连接副车架以承载重量的结构件，和碰撞吸能的部件，进行分离，分别由副纵梁和主纵梁承担，从而在结构设计上可以各取所需，满足相应的强度要求，提高结构可靠性，便于设计。