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全部用废旧管材焊接成龙门架，地下用废钻杆做轨道。用小电动机带动，龙门吊可前后左右移动。最大吊重为三吨。有此龙门吊设备物资的装卸车及设备的折装修理很方便。
All the waste pipes were welded into gantry, and the underground was made of waste drill pipes. With a small electric motor, the gantry crane can be moved around. The maximum weight is three tons. The loading and unloading of loading and unloading vehicles and equipment with this gantry crane equipment is very convenient.