Turnover device applied to sanding and coating of novel corrugated web steel box girder

The utility model discloses a turnover device applied to sanding and coating of a novel corrugated web steel box girder. The device comprises a flat car body, a rotation control body, a rotation driving mechanism and a supporting mechanism. The flat car body comprises a flat car frame and a supporting frame arranged on the flat car frame. The rotary control body is arranged on the supporting frame, extends into the inner side of the corrugated web steel box girder and is matched with a manhole of the corrugated web steel box girder; the rotary driving mechanism is arranged on the flat car body, is in transmission fit with the rotary control body and is used for controlling the rotary control body to rotate; the supporting mechanism is arranged on the flat car frame and acts on the lower side of the corrugated web steel box girder. In the overturning process, the overturning device does not need to be matched with hoisting equipment, subsequent machining can be directly carried out after overturning, the machi