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LZ-30G立爪装载机，是为改变坑探装岩设备单一，生产率低的落后现状而设计的一种新型装岩设备。是坑探工程技术装备更新的重要项目之一。它对提高“三车”机械化作业线配套能力，促进坑探装备向现代化发展具有重要意义。该机1984年研制出样机。先后在云南、陕西、北京部队工程兵某工区进行性能试验，对运输机部份出现的飘链卡链现象进行了改进。1985年在杭州“西湖—钱塘江引水隧道工程”中结合施工生产分三个阶段系统地进行了生产试验。掘进6.5米~2断面的隧道80多米，装运碴石1000多米~3，取得了较好的生产效果，受到工人们的好评和欢迎。1985年12月通过部级技术鉴定。该设备目前是国内最小机型，具有先进水平，填补了我国小断面巷道液压
LZ-30G Vertical Claw Loader is a new type of rock loading equipment designed to change the status quo of the pit exploration rock equipment with single and low productivity. It is one of the important projects for updating the technical equipment of pit exploration engineering. It is of great significance to improving the supporting capability of the “three-car” mechanized operation line and promoting the exploration of pits and equipment to the modernization. The machine developed in 1984 prototype. Successively in Yunnan, Shaanxi, Beijing, a section of the Corps of Engineers performance test carried out on the transport aircraft part of the phenomenon of the floating chain card has been improved. In 1985 in Hangzhou “West Lake - Qiantang River diversion tunnel project” in conjunction with the construction of production in three stages systematically conducted a production test. Tunneling 6.5 m ~ 2 cross-section of the tunnel more than 80 meters, shipping ballast stone more than 1000 meters ~ 3, and achieved good production results, by the workers praise and welcome. December 1985 through ministerial technical appraisal. The device is currently the smallest domestic models, with advanced level, to fill the hydraulic pressure of small cross-section roadway in our country