为了挖掘车辆潜力，提高装载量，南同蒲赵城站针对冶金焦比重轻，每车亏欠10t的老问题，大胆创新，积极试制，曾于1984年研制成“花格铁围档”，加固在敞车车帮上，提高了车身高度，扩大了车辆容积，经过试装，使冶金焦达到了满载。为了给厂家节约原材料，该站又研制成“花 In order to excavate the potential of vehicles and increase the loading capacity, Nan Tongpu Zhaocheng Station, in light of the comparatively small proportion of metallurgical coke and the deficit of 10t per vehicle, boldly innovated and actively trial-produced. Gondola car to help improve the height of the car, expanding the vehicle volume, after the trial equipment, so that the metallurgical coke reached full load. In order to save raw materials for the factory, the station has developed into a "flower