由长沙矿山研究院研究设计、嘉兴冶金机械厂试制、第十六冶金建设公司试验的HH-6型抓岩机,即抓斗容积为0.6米~3的环行轨道式抓岩机,是一种新型的竖井掘进装载设备。该机自1977年下半年试制出来后,先后经过了地表和井下试验:在地表试验阶段,累计运转300 By the Changsha Institute of Mining Design, Jiaxing Metallurgical Machinery Plant trial production, the 16th Metallurgical Construction Company tested the HH-6 grasping machine, grasping volume of 0.6 m ~ 3 ring track grabs, is a New shaft boring and loading equipment. After the aircraft was prototyped in the second half of 1977, it passed the surface and underground tests successively: During the surface test, the cumulative operation of 300