Detachable lifting appliance for marine deck

The utility model discloses a detachable lifting appliance for a marine deck, which belongs to the technical field of lifting appliances and comprises a connecting piece, a fixing block is fixedly connected to the bottom end of the connecting piece, a hook is fixedly connected to the bottom end of the fixing block, a mounting plate is connected to the hook through a mounting assembly, and two mounting grooves are formed in one end of the mounting plate. The installation assembly comprises a fixing groove formed in the surface of the hook, a hollow block is fixedly connected into the fixing groove, a spring is arranged in the hollow block, and the two ends of the spring are fixedly connected with a pair of symmetrical trapezoidal blocks in sliding connection with the hollow block. Through the arrangement of the double-shaft motor, the grabbing assembly and the mounting assembly, the double-shaft motor drives the grabbing assembly to wrap and grab a steel pipe, workers do not need to manually wind and bind the