Automobile U-shaped longitudinal beam leak hole and hole precision online detection device

The utility model belongs to the field of numerical control punching production line detection, and particularly relates to an automobile U-shaped longitudinal beam leak hole and hole precision online detection device which comprises an assembly support, an image acquisition device, a displacement sensing device, an information processing system and a numerical control punching production line control center. The assembly support is installed on the numerical control punching production line, the image collecting device is installed on the assembly support, and the image collecting device and the assembly support are both in communication connection with the information processing system. The displacement sensing device is mounted on the assembly bracket and is in communication connection with the image acquisition device; compared with the prior art, the utility model has the advantages that: (1) the cost is low, the space is saved, and the popularization and use values are higher; (2) the device can adapt t