摘要
主要为大口径基础灌注桩施工而设计的YCJF-25型全液压冲击反循环钻机具有碎岩能量大、破岩效率高、排渣速度快、能有效避免孔底岩屑的重复破碎的特点。介绍了YCJF-25型全液压冲击反循环钻机性能参数,阐明了钻机的结构特点,对比分析了钻机的施工效率。
Mainly designed for large diameter foundation grouting pile construction,YCJF- 25 percussive and reverse circulation hydraulic rig has the advantages of large rock breaking energy,high rock breaking efficiency,fast discharging ability and repeated bottom cuttings breaking can be effectively avoided. The paper introduces YCJF- 25 percussive and reverse circulation hydraulic rig about its performance parameters,illustrates its structure features and analyzes its construction efficiency.
出处
《探矿工程（岩土钻掘工程）》
2015年第10期55-58,共4页
Exploration Engineering:Rock & Soil Drilling and Tunneling
关键词
全液压冲击反循环钻机
性能参数
结构特点
施工效率
percussive and reverse circulation hydraulic rig
performance parameter
structure feature
construction efficiency
