Large-tooth dismounting device for electric shovel

The invention discloses an electric shovel large tooth dismounting device which comprises a jacking assembly, the jacking assembly comprises a base, supporting legs, a supporting frame, an air cylinder and a jacking rod, the supporting legs are fixed to the four corners of the bottom of the base, the supporting frame is arranged at the top of the base, the air cylinder is fixed in the supporting frame, and the jacking rod is fixed to the output end of the air cylinder; the auxiliary assembly is arranged on the jacking assembly and comprises a connecting piece, a locking piece, a positioning piece and a transmission piece, the connecting piece is arranged at the bottom of the supporting frame, the locking piece is located on one side of the connecting piece, the positioning piece is arranged on the base, and the transmission piece is located on one side of the positioning piece. The large tooth dismounting device has the beneficial effects that the jacking assembly is arranged and used for pushing out the shaf