South-pointing Cart is a mechanic directional device used in ancient China.
指南车是中国古代的一种机械定向装置。
A hoisting device is arranged on the transport cart, which saves labor and loading time when transported objects are loaded and the simple propeller lifting device is arranged.
运输车上设置起重吊装设备，在装卸运输物以及简易螺旋桨式吊运装置时，节省人力和装卸时间。
Manual Single-beam crane is configured by crane span structure, cart driving device and manual monorail car and other major parts.
手动单梁起重机系由桥梁，大车传动机构，手动单轨行车等主要部分组成。
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