摘要
GYD-20型全液压动力头工程钻机主要用于大口径基础桩孔的施工以及煤矿通风孔的钻进,是一种新研制的全液压工程钻机,在神华集团煤矿通风孔的钻进中反映良好。
The new GYD-20 full hydraulic drilling machine is mainly used for large diameter foundation construction and mine ventilation hole. This machine has been successfully used in the drilling for ventilation holes at a coal mine of Shenhua Group.
出处
《地质装备》
2015年第2期11-13,共3页
Equipment for Geotechnical Engineering
关键词
动力头
基础工程
钻机
研制
full hydraulic power head, foundation engineering
drilling machine, development