Pay-off pulley

The utility model provides a pay-off pulley, comprising a U-shaped frame, a large pulley and a connection frame assembly. The large pulley is arranged in the U-shaped frame, and a support is arranged at one side of an upper end of the U-shaped frame by a hinge, and is fastened to the other side of the upper end of the U-shaped frame by a latch. A small pulley is arranged on the support, a connection disc is arranged at a lower end of the U-shaped frame and connected with the connection frame assembly which can be fixedly connected to a frame body. According to the utility model, the large pulley and small pulley, which are opened and closed by the hinge and the latch, are provided so as to facilitate the putting in and taking out of the wires and prevent the wires from slipping out of the pulleys; three through holes are arranged on the connection disc to adjust the angle between the U-shaped frame and the horizontal plane, so that the pulley is uniformly stressed and the service life is increased; and the connection frame assembly is provided to enable the pulley to be fixed on the fixation frame conveniently and the installation positions of the pulleys can be freely adjusted, so that the pulley is closer to the wire installation position, providing convenient and quick installation.