Electric power engineering line pay-off device

The utility model discloses an electric power engineering line pay-off device which comprises a base, and a U-shaped frame is fixed at the top end of the base. Connecting rotating shafts are movably arranged on the two sides of the U-shaped frame. A line roller is rotationally connected between the two connecting rotating shafts through threads; a sleeve is fixed on one side of the outer wall of the wire roller; a steel ring is arranged in the outer wall of the sleeve; a connecting seat is fixed at the upper end of the inner side of the U-shaped frame; a screw sleeve is fixedly arranged on one side of the connecting seat; through the arrangement of the thread sleeve, the supporting rod and the fixing block, a wire coil is fixed to the wire roller, when the wire coil is stressed, the connecting rotating shaft rotates in the rotating hole, the wire coil is unwound on the wire roller, and abrasion or deviation of a wire is avoided; through the arrangement of the sleeve, the steel ring, the connecting seat, the s