AQK嵌岩扩底钻头的结构特点  

Structure Features of AQK Rock-socketed Belled Drill

作　　者：宋秋锋 靳益民 朱彩华 张新华 张建[2] 

机构地区：[1]河北建勘钻探机械有限公司,河北石家庄050031 [2]中国地质科学院勘探技术研究所,河北廊坊065000

出　　处：《探矿工程（岩土钻掘工程）》2012年第11期37-38,43,共3页Exploration Engineering:Rock & Soil Drilling and Tunneling

摘　　要：论述了AQK大直径嵌岩扩底钻头的结构设计特点,阐述了新型扩底钻头的适应性和可靠性,对扩底钻头制造及钻扩施工过程中的关键问题提出了几点要求。This paper discusses the structural design features of AQK large diameter rock-socketed belled drill, illustrates the adaptability and reliability of this new belled drill and puts forward some requirements to the key problems of belled drill manufacture and construction process.

关 键 词：扩底钻头 大直径 扩底桩 

分 类 号：P634.41[天文地球—地质矿产勘探]