1结构特征及工作原理ZDF-75型架柱式电动液压推进钻机如图1所示,由立柱、机架导轨、动力头、钻具及液压推进系统5大部分组成。钻机共配有两根完全相同的立柱,分别装于导轨的前端和后端(也可装于左、右方)。它们的作用是配合导轨将整个机器锚固起来,并将打钻过程中机器所承受的 1 Structure and working principle ZDF-75 column type electric hydraulic propulsion drilling machine shown in Figure 1, from the column, rack rails, power head, drilling and hydraulic propulsion system 5 most of the components. The rig has a total of two identical columns mounted on the front and rear of the rail (also on left and right). Their role is to cooperate with the guide rails to anchor the entire machine, and drilling process borne by the machine