论文部分内容阅读
西德奥林斯坦和考派尔股份公司(o&k公司)1962年开始生产液压挖掘机,1971年试成工作重量为135吨的RH75型液压挖掘机,这种挖掘机迄今依然是世界最大的液压挖掘机之一。该公司在此基础上,又设计试制了新的更大型的RH300型液压挖掘机。此种挖掘机安装有反铲及装载铲两种作业设备,工作重量约为420吨,1979年9月可生产出来。该机具有履带式行走机构,也可将其上部置于浮船上,而成
West Germany, Ollenstein and Coopair AG (o & k) began production of hydraulic excavators in 1962, 1971 trial into a working weight of 135 tons RH75 hydraulic excavator, the excavator so far is still the world’s largest hydraulic One of the excavators. On this basis, the company designed and prototyped a new larger RH300 hydraulic excavator. This excavator is equipped with backhoe and loading shovel two kinds of operating equipment, the working weight of about 420 tons, in September 1979 can be produced. The machine has a crawler walking mechanism, but also can be placed on the upper part of the pontoon, and into