Collision failure structure of vehicle body and auxiliary vehicle frame

The invention relates to the technical field of automobiles, and discloses an automobile body and auxiliary vehicle frame collision failure structure, which comprises an axisymmetric auxiliary vehicleframe, wherein mounting support seats extending forwards are arranged at the two ends of the front side of the auxiliary vehicle frame respectively, kidney-shaped mounting holes used for being connected with a front extending beam are formed in the mounting support seats, connecting plates used for being connected with a vehicle body are arranged at the two ends of the rear side of the auxiliaryvehicle frame body respectively, kidney-shaped sliding grooves are formed in the connecting plates, two bushings extending upwards are symmetrically arranged at the upper end of the auxiliary vehicleframe relative to the symmetry axis of the auxiliary vehicle frame, cover plates are arranged at the upper ends of the bushings, the cover plate is provided with a semi-circular rectangular connectinghole used for being connect