This Chong Zuo Department mono- Seed are set from the recoverable Shen Shrink Rod Pa Bands Wheels Machine Agencies Installed of Move, it includes Luo Rod that Zhu, which Yaos Department, the convex Wheels of Round Cone, sleeve, Wheels, Round Disk, Shen Shrink Rod, Shen Shrink Rod sleeves, Bomb springs, Shen Shrink Rod Tao Head, Ma Da A, Tooth Wheels Group A, Ma Da B With Tooth Wheels Group B, wherein Wheels He Round Disk Zhong Inter You Shen Shrink Rod, the front ends Shen Shrink Rod You Shen Shrink Rod sleeves can be inserted in Shen Shrink Rod, Bomb springs position Yu Shen Shrink Rod Tao Head Inner, Wheels He Round Disk Kao Ma Da A Tapes Move Tooth Wheels Group A Er Turn Move, meet rise before roadblock the convex Wheels of Move Ma Da B Zheng Turn Tapes Move Tooth Wheels Group B Turn Move Luo Rod Shi Luo Rod Top Duan Round Cone enter forward Tao Tong And Top Open Bomb spring Shi Shen Shrink Rod From Shen Shrink Rod sleeve Inner Bomb go out Er the ends Shen Shrink Rod Head Shen Shrink Rod Tao Head Top to roadblock Er Top Over Wang Qian Jin, Shen Shrink Rod Tao Head Pressure to Lu Zhang Time Bomb spring Hui Bei Pressure Shrink make Shen Shrink Rod Shrink Ru Shen Shrink Rod sleeves.本創作係一種自動可收回伸縮桿之爬階輪機構裝置,主要係包括螺桿、圓錐凸輪、套筒、輪子、圓盤、伸縮桿、伸縮桿套筒、彈簧、伸縮桿套頭、馬達A、齒輪組A、馬達B與齒輪組B,其中輪子和圓盤中間有伸縮桿,伸縮桿前端有伸縮桿套筒可套入伸縮桿,彈簧位於伸縮桿套頭內,輪子和圓盤靠馬達A帶動齒輪組A而轉動,遇路障前起動馬達B正轉帶動齒輪組B轉動螺桿使螺桿頂端的圓錐凸輪往前入套筒並頂開彈簧使伸縮桿從伸縮桿套筒內彈出而伸縮桿頭端的伸縮桿套頭頂到路障而頂過往前進,伸縮桿套頭壓到路障時彈簧會被壓縮使得伸縮桿縮入伸縮桿套筒。