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根据资料介绍,苏联生产的各种立轴液压给进式钻机有如下特点: 1.钻机采用双油压碟形弹簧卡盘,用以解决倒杆时给进运动的自动接力问题,从而可不间断地钻进岩芯。
According to the information, all kinds of vertical axis hydraulic feed-in rigs produced by the Soviet Union have the following characteristics: 1. The rig adopts double-oil disc spring chuck to solve the automatic relay problem of feed movement when it is turned down, Drilling into the core.