Matching device convenient for automatically unhooking lifting appliance to enter hole

The utility model relates to the technical field of offshore caisson hoisting construction, in particular to a matched device convenient for an automatic unhooking sling to enter a hole. Comprising a pre-embedded steel plate, a supporting steel plate, a reinforcing rib plate, a bracket steel plate and a jack, the pre-embedded steel plate is pre-embedded near a component lifting hole, the supporting steel plate is vertically connected to the pre-embedded steel plate, the reinforcing rib plate and the bracket steel plate are both vertically connected to the pre-embedded steel plate, and the reinforcing rib plate and the bracket steel plate are vertically connected to the two sides of the supporting steel plate respectively; and the jack is fixed on the bracket steel plate. The lifting hook can be controlled to smoothly enter a hole through the assistance of manual external force, and the device belongs to a matching device applied to an automatic unhooking lifting frame, so that the construction efficiency is i