Linkage mechanism of humanoid prop

The utility model provides a linkage mechanism of a humanoid prop. The humanoid prop comprises a head, arms, thighs and shanks. The linkage mechanism comprises a first linkage structure with the arms and the thighs, a second linkage structure enabling shank joints to move and a third linkage structure enabling the arms to be unfolded, and the first linkage structure, the second linkage structure and the third linkage structure are independent to one another. The first linkage structure comprises handles, manual crankshafts and long connecting rods, the handles are fixedly connected with the manual crankshafts, the long connecting rods are installed on the side faces of the manual crankshafts, the bottom ends of the long connecting rods are connected with the thighs, and the shanks are hinged to the thighs. The top end of each long connecting rod is connected with the arm on the other side through cooperation of a first crankshaft and a third crankshaft, and the other arm and the other thigh are the same as th