High-voltage power transmission and transformation line erection auxiliary device

The utility model provides an auxiliary device for erecting a high-voltage power transmission and transformation line. The device comprises a base, a first telescopic column, a second telescopic column, a first wire fixing device and a second wire fixing device. The first wire fixing device is fixedly connected to one end of the base through a first telescopic column. The second wire fixing deviceis fixedly connected to the other end of the base through a second telescopic column, the first telescopic column and the second telescopic column are the same in structure and comprise a first column and a second column, the cross section area of the first column is smaller than that of the second column, and a lifting air cylinder is arranged at the bottom of the second column which is sleevedwith the first column and fixedly connected with the lifting output end. The wire fixing device is simple in structure, convenient to operate and capable of fixing the wire in a two-stage mode and preventing the wire from fall