Protective device of online surface inspection equipment for medium plate

The utility model discloses a protective device of online surface inspection equipment for a medium plate. The device comprises a straightener and a surface detection equipment camera, the straightening machine comprises a straightening machine frame, straightening machine working rollers and straightening machine roller ways. The straightener working roller is cooperatively arranged at the upperpart of the straightener roller way; wherein a straightener outlet rack is arranged at an outlet of the straightener rack, two guide steel beams which are symmetrically arranged are fixedly arranged on the straightener outlet rack, the guide steel beams are obliquely arranged upwards in an upward extending mode, the surface detection equipment camera is arranged at the extending tail ends of the two guide steel beams in a matched mode, and a fixing frame body is arranged in the middles of the guide steel beams in a matched mode. The device is simple in design structure; the device is simple instructure, reasonable, re