Wire exchanging device

The utility model discloses a wire exchanging device. The device comprises a support, wherein the support has a framework structure, one side of the support is provided with a hinge shaft, and the other side of the support is provided with a blocking device; an upper pulley and a lower pulley, which are arranged in the support and are arranged at intervals so as to form a channel to lead a wire; and a clamping device, which is fixedly connected to the support. The application of the wire exchanging device comprises the following steps: fixing the support on the top end of an electric pole through the clamping device, opening the blocking device, opening the channel for leading a wire through the hinge shaft, placing a wire in the channel, rotating the hinge shaft to close the blocking device, and locking the hinge shaft; the wire goes through the space between the upper pulley and the lower pulley, the upper pulley and the lower pulley provides a good channel for the transmission of the wire so as to avoid th