Electric power wire stretching device

The utility model discloses an electric wire stretching device which comprises a main wire coil and further comprises a wire stretching box, a main extrusion wheel and an auxiliary extrusion wheel matched with the main extrusion wheel and used for extruding a wire are axially and rotatably arranged in a wire outlet formed in the wire stretching box, and a laser reflection wheel is arranged on the auxiliary extrusion wheel along the axis of the auxiliary extrusion wheel. And a detection unit is arranged below the laser reflection wheel and is used for detecting and driving the cutter to cut the electric wire in the wire outlet. According to the electric wire stretching device, the main extrusion wheel and the auxiliary extrusion wheel used for being matched with the main extrusion wheel to extrude the electric wire are arranged in the wire stretching box, the laser reflection wheel on the auxiliary extrusion wheel is matched with the detection unit to measure the length of the electric wire, then the electric