Wire tightening device for power installation

The utility model discloses an electric power installation wire tightening device comprising a device plate, the lower end of the device plate is fixedly provided with four moving wheels which are distributed in a rectangular shape, the upper end of the device plate is fixedly connected with two vertical plates which are arranged in a left-right spaced mode, and the opposite sides of the two vertical plates are correspondingly provided with lifting ports. Two lifting openings are formed in the two vertical plates, two lifting blocks are slidably connected into each lifting opening, driving openings are formed in the positions, below the lifting openings, of the two vertical plates, a two-way threaded rod is jointly and rotationally connected between the inner bottom walls of the driving openings and the inner top walls of the corresponding lifting openings, and the two lifting blocks located in the same lifting opening are connected to the two-way threaded rod in a threaded and sleeving mode. The two lifting