Portable pipeline threading device for power construction

The utility model provides a portable pipeline threading device for power construction. The portable pipeline threading device comprises a support frame, a wire spool, a motor and a protective cover, the wire spool is rotationally installed on the supporting frame through a bearing, an annular groove for winding and fixing a steel rope is formed in the periphery of the wire spool, and the motor is installed at the bottom of the supporting frame and is in transmission connection with a center shaft of the wire spool through a belt wheel transmission device; the protective cover is fixedly installed on the supporting frame and arranged above the annular groove, and a notch facilitating leading-out of the steel rope is formed in the protective cover. The supporting frame is connected with a guiding pipe used for guiding the steel rope to move through a connecting rod. And the end part of the guide pipe is connected with a plastic hose which can be conveniently inserted into a cable pipe. When the threading devic