Waterproof junction box for electric power engineering

The utility model discloses a waterproof junction box for electric power engineering, which comprises a first shell and a second shell, and two sides of the first shell and the second shell are fixedly connected with two first arc-shaped pipelines and two second arc-shaped pipelines respectively. Shell fixing mechanisms are fixedly connected to the tops and the bottoms of the two sides of the first shell and the second shell correspondingly, device inner shells are fixedly connected to the inner walls of the first shell and the second shell correspondingly, and sealing mechanisms are fixedly connected between the two sides of the inner walls of the first shell and the second shell and the device inner shells correspondingly; l-shaped fixing long strips are fixedly connected to the ends, close to the second shell, of the top and the bottom of the first shell correspondingly, and fixing strips corresponding to the L-shaped fixing long strips are fixedly connected to the top and the bottom of the second shell co