Dismounting simple, convenient transport, storage space.

拆装简便，运输方便，储存空间小。

The height for mounting-dismounting workpiece is lower, so a hoisting device not need.

工件装卸高度低，不需吊装设备。

Swinging , twisting, and launching on a horizontal bar in a routine before dismounting.

在一根水平的杠子上摆动，有时跃入空中并再次抓杠，最后跳下．。

The small size, light weight, easily operation, safe use and simple dismounting to move.

体积小、重量轻，极易操作，使用安全，拆装移动简便。

The invention is simple in structure, and convenient in mounting, dismounting and change.

本发明结构简单，安装方便，拆卸更换方便。