Shield tunneling machine cutter hoisting device

The utility model discloses a shield tunneling machine cutter hoisting device which comprises a hoisting device, and the hoisting device comprises a hoisting shaft, a connecting plate, a rod body anda hoisting hook. One end of the hoisting shaft is fixedly connected with an erector grabbing head, and the other end of the hoisting shaft is fixed at the bottom of the connecting plate; one end of the rod body is fixedly connected to the side face of the connecting plate, and the other end of the rod body is connected to the lifting hook which can rotate around the radial end of the rod body. When the grabbing and lifting head of the erector and the lifting shaft are mutually fastened and connected, the height of the lifting device is driven to change by the rotary lifting of the segment assembling and lifting device, so that a cutter hung at a lifting hook is transferred to a shield man cabin. By the adoption of the design, the hoisting device is simple and reliable in structure, the hoisting shaft is grabbed an