Wire tightening device for electric power circuit

The invention relates to a wire tightening device for an electric power circuit, which comprises a supporting plate, a base is arranged on the lower side of the supporting plate, a wire pulling mechanism is arranged above the supporting plate, the electric power circuit is placed in the wire pulling mechanism, the wire pulling mechanism comprises a cross rod and a wire frame, and a wire locking device is arranged on the left side of the wire pulling mechanism. An electric power circuit sequentially penetrates through the wire locking device, the wire frame and the wire feeding table, wire tightening operation of the electric power circuit can be completed through the wire pulling mechanism, manual operation is not needed, the physical strength of workers is effectively saved, and the overall efficiency is improved. The clamping device has the advantages of being convenient to install, stable in clamping, time-saving, labor-saving and high in working efficiency. 本发明涉及一种电力线路用紧线装置，它包括托板，所述托板下侧设置有底座，所述托板上方设置有拉线机构