High-strength powder metallurgy belt pulley

The utility model relates to the technical field of belt pulleys and discloses a high-strength powder metallurgy belt pulley which comprises a first belt pulley body and a second belt pulley body, shaft holes A are formed in the surfaces of the first belt pulley body and the second belt pulley body respectively, and synchronous teeth are machined on the outer side surfaces of the first belt pulley body and the second belt pulley body. A transmission shaft is connected between the first belt wheel and the second belt wheel, limiting teeth are fixedly machined on the upper side and the lower side of the transmission shaft, the left side of the transmission shaft is fixedly connected with the right side of a first transmission disc, and the right side of the transmission shaft is fixedly connected with the left side surface of a second transmission disc; transmission pin rods are symmetrically machined on the surface of the second transmission disc, the other ends of the transmission pin rods penetrate through t