Corrugated steel web transport flat car

The utility model relates to a transport flat car, particularly relates to a flat car suitable for transporting corrugated steel web in corrugated steel web bridge construction and exactly relates toa corrugated steel web transport flat car. The flat car comprises a sunk cross beam, a fixed supporting side and a movable supporting side, and is characterized in that: both ends of the sunk cross beam are fixed with a flat car single-side running beam and are fixed by connecting plates; the fixed supporting side consists of a fixed vertical support and a fixed oblique support ladder, the lower end of the fixed vertical support is fixedly connected with the middle part of the sunk cross beam and the upper part of the fixed oblique support ladder is fixedly connected with the upper part of thefixed vertical support; and the movable supporting side consists of a movable vertical support, a movable oblique support, an oblique support hinge mount and a movable vertical support hinge mount, and the oblique support hin