全液压钻机液压系统研究

浙江理工大学成人高等教育毕业设计（论文）AbstractAbstractDrill rig as the most major equipment for drilling operation in today's China,areassuch as drilling and mineral prospecting in our country occupies a pivotalposition.According to the current situation of drilling rigs'development in China andoversee,the paper analysis the traditional rigs'hydraulic system first,and introducesthe current coal mine tunnel drilling rigs'hydraulic design principle,compare thesetwo kinds of rigs'hydraulic system to get the advantage of the hydraulic control andthe direction of future development.Keywords drilling rigs;hydraulic principle;analysisi