Dynamic impact detection device for automobile B column part

The utility model belongs to the technical field of automobile part detection, and particularly relates to a dynamic impact detection device for automobile B-pillar parts, which comprises a workbench, an adjusting mechanism is arranged at the top of the workbench, a concave plate is connected to the top of the adjusting mechanism, a hydraulic rod is fixed to the top of the concave plate, and the hydraulic rod is fixed to the top of the workbench. A flange plate is fixed to the bottom end of an extension rod of the hydraulic rod, an impact block is fixed to the bottom of the flange plate through bolts, and a containing groove is formed in the top of the workbench. According to the utility model, through cooperation between the hydraulic rod and the impact block, an impact test can be carried out on the reinforcing plate, through arrangement of the bolt and the flange plate, the impact block can be disassembled, the impact blocks with different weights can be replaced conveniently, and through arrangement of th