Lifting tool for marine diesel engine cylinder body production line

The utility model relates to the technical field of hoisting tools, in particular to a marine diesel engine cylinder body production line hoisting tool. The lifting tool for the marine diesel engine cylinder body production line can lock the clamping jaw and improve the operation safety. A marine diesel engine cylinder body production line lifting tool comprises a lower connecting plate, guide columns, an upper connecting plate, a lifting ring and the like, the top of the lower connecting plate is connected with the two guide columns, the guide columns are symmetrically distributed front and back, the upper connecting plate is slidably connected between the guide columns, and the top of the upper connecting plate is connected with the lifting ring. According to the utility model, the wedge-shaped piece is clamped with the locking column and the movable piece, so that the clamping jaws are locked and fixed, the clamping jaws are prevented from shrinking due to misoperation and influencing the transportation an