Fixing device for electric power engineering power distribution device

The invention discloses a fixing device for an electric power engineering power distribution device. The fixing device comprises two symmetrically arranged mounting vertical frames and a device main body arranged between the two mounting vertical frames, limiting sliding plates are mounted above and below the two sides of the mounting vertical frames, and third clamping grooves are formed in the inner sides of the two mounting vertical frames. The limiting sliding plates are clamped in the third clamping grooves in a sliding manner, a first clamping groove is further formed in the inner side of each installation vertical frame, and driving sliding plates are installed in the middles of the two sides of the installation vertical frames and are located in the first clamping grooves; ball screws are further installed in the first clamping grooves in the length direction, and lead screw nuts are embedded in the driving sliding plates. Thefixing device of the present invention is suitable for mounting electric pow