Automatic unhooking/hooking device

The utility model discloses an automatic unhooking/hooking device. The automatic unhooking/hooking device comprises an unhooking/hooking mechanism and a connecting mechanism, wherein the unhooking/hooking mechanism comprises a hydraulic oil cylinder which is connected with a limiting connecting rod; a limiting hinge pin is arranged at the lower end of the limiting connecting rod; a piston rod end head of the hydraulic oil cylinder is connected with a hook in a hinging way through a shaft sleeve and a hinge pin; a limiting component is arranged at the upper end of the hook; the unhooking/hooking mechanism is connected with a guide barrel through a spring; and the connecting mechanism passes through a guide barrel and then is connected with the unhooking/hooking device. According to the automatic unhooking/hooking device, the action of manually pulling the hook is removed during unhooking, and the operation is carried out under remote control, so that the safety in work is improved. A hammer body is fallen synchronous with the hook, thus the equipment is small in impact, less in consumption, small in amplitude of swing and high in working efficiency.