全液压分体式钻机变幅机构的设计及力学分析
宋海涛,白稳乐,姚亚峰
Design and mechanical analysis of the luffing mechanism of hydraulic split type drilling rig in coal mine
煤炭工程 . 2014, (11): 134 -136 .  DOI: 10.11799/ce201411042