Special trailer for subway water supply and drainage equipment

The invention discloses a special trailer for subway water supply and drainage equipment, and relates to the technical field of trailers, the special trailer comprises a supporting seat, a push rod is mounted on the side wall of the supporting seat, four universal wheels are uniformly arranged on the lower surface of the supporting seat, and a fixing frame is fixedly mounted on the upper surface of the supporting seat; the shielding device is used for storing different types of water supply and drainage equipment on the supporting base and comprises eight fixing plates, every two fixing plates form a group, each fixing plate is fixedly installed on the side wall of the supporting base, rotating pins are rotatably installed in the two fixing plates, and rotating frames are fixedly installed on the side walls of the two rotating pins; by arranging the shielding device, the drainage equipment on the supporting seat can be conveniently shielded and limited by using the rotating stand and the shielding frame, the