跨栏跑是田径比赛项目 ,跨栏的栏架从一开始出现至今没有重大改变 ,都是固定不变的形式（如图１）。随着体育运动的发展 ,各学校学生人数的逐年增长 ,各种运动器械的大幅度增加 ,仅栏架就占据了许多空间 ,运动器械仓库的面积就显得不够用 ,为此我设计了全折叠式跨栏架。全折叠 Hurdle race is a track and field events, hurdles fence from the very beginning there has been no major change, are a fixed form (Figure 1). With the development of sports, the number of students in each school has been increasing year by year, and the number of various sports equipment has increased significantly. Only the racks occupy a lot of space, and the area of ​​sports equipment warehouses is not enough. Therefore, I designed a full-fold Hurdle. Full folding