Mounting bridge for distribution box

The utility model relates to the technical field of power distribution equipment, and discloses an installation bridge for a power distribution box, which comprises a cabinet body and an installation seat, the inner wall of the installation seat is fixedly connected with a water filter plate and a water guide plate respectively, the water filter plate is located above the water guide plate, drainage grooves are arranged on both sides of the installation seat, and the water guide plate is located above the drainage grooves. The inner wall of the drainage groove is fixedly connected with the surface of the water guide plate, a supporting assembly is arranged on the inner wall of the mounting base, the cabinet body is arranged at the top of the supporting assembly, and positioning mechanisms are arranged on the two sides of the inner wall of the mounting base. According to the installation bridge for the distribution box, the supporting assembly, the water filtering plate, the water guiding plate and the drainag