Large-width thin plate fracture inspection device

The utility model relates to a large-width thin plate fracture inspection device which is provided with an inspection frame, the upper portion of the inspection frame is provided with an empty window, the top of the inspection frame is downwards provided with a vertical oil cylinder, a piston rod of the vertical oil cylinder penetrates through the inspection frame and is arranged downwards, and a pressing head connecting base is fixedly installed at the lower end of the piston rod of the vertical oil cylinder. A pressing head is detachably arranged on the pressing head connecting seat downwards; a test bottom frame is arranged at the bottom of the window, horizontal oil cylinders are respectively arranged on the test frame on the left side and the right side of the test bottom frame, a clamping block is fixedly connected to the piston rod end of each horizontal oil cylinder, and the clamping blocks are arranged above the test bottom frame; two sample clamping plates are arranged in the test bottom frame side