The invention provides a vehicle front end collision energy absorption device and a vehicle, the vehicle front end collision energy absorption device comprises a main energy absorption assembly, and the main energy absorption assembly comprises a main cross beam and a main energy absorption box; the other end of the main energy absorption box is fixedly connected with the front end of the vehicle body longitudinal beam; the auxiliary energy absorption assembly comprises an upper energy absorption assembly and/or a lower energy absorption assembly; the upper energy absorption assembly comprises an upper beam and an upper energy absorption box, one end of the upper energy absorption box is connected with the upper beam, and the other end of the upper energy absorption box is connected with the main energy absorption box through an upper back plate and fixedly connected with the front end of the vehicle body frame. The lower energy absorption assembly comprises a lower cross beam and a lower energy absorption box; one end of the lower energy absorption box is connected with the lower cross beam, and the other end of the lower energy absorption box is connected with the other end of the main energy absorption box through a lower back plate and fixedly connected with the front end of a chassis auxiliary frame of the vehicle. According to the invention, the uniformity of energy absorption stress of a plurality of energy absorption paths formed by the plurality of energy absorption assemblies can be ensured, and the non-uniform stress of the energy absorption paths in the crushing energy absorption process is prevented.
本发明提供一种车辆前端碰撞吸能装置及车辆,车辆前端碰撞吸能装置包括主吸能组件,其包括主横梁、主吸能盒;主吸能盒的一端与主横梁固定连接,另一端与车身纵梁前端固定连接;还包括至少一个副吸能组件,副吸能组件包括上吸能组件和/或下吸能组件;上吸能组件包括上横梁以及上吸能盒,上吸能盒的一端与上横梁连接,另一端通过上背板与主吸能盒连接,并与车身框架前端固定连接;下吸能组件包括下横梁、下吸能盒;下吸能盒一端与下横梁连接,另一端通过下背板与主吸能盒的另一端连接,并与车辆的底盘副车架前端固定连接。本发明能够保证多个吸能组件组成的多个吸能路径吸能受力的均匀性,防止压溃吸能过程中的吸能路径受力不均。
Vehicle front end collision energy absorption device and vehicle
车辆前端碰撞吸能装置及车辆
2023-01-13
Patent
Elektronische Ressource
Chinesisch
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