Urban rail transit traction power supply monitoring device

The utility model relates to the technical field of power supply monitoring devices, in particular to an urban rail transit traction power supply monitoring device which comprises a cabinet body, supporting legs are fixedly connected to the four corners of the lower end of the cabinet body, a ventilation groove is formed in the right end of the cabinet body, and supporting rods are fixedly connected to the four corners of the upper end of the cabinet body. The upper ends of the four supporting rods are jointly and fixedly connected with a top plate, the left portion of the front end of the cabinet body is movably connected with a door plate through hinges, the lower inner wall of the cabinet body is movably connected with a dehumidification device, the left inner wall and the right inner wall of the cabinet body are each provided with a plurality of threaded holes, and the inner wall of the cabinet body is movably connected with two height adjusting devices. And monitoring device bodies are arranged on the tw