The paper introduces the developing status of core drilling machine both in China and abroad.
介绍了国内外岩心钻机的发展现状,并结合目前我国的实际应用状况,分别就机械传动钻机、液压传动钻机与当今主流钻探工艺的适应性进行了分析比较,认为全液压岩心钻机是发展方向。
The description covers full-hydraulic core drilling machines,portable drills,geo-thermal drills,offshore and beach sampling equipment,all-casing drilling rig,etc.
介绍的主要设备有全液压岩心钻机系列、轻便设备系列、地源热泵钻机、浅海及滩涂取样钻机、全套管钻机等。
Introduction is made on the development,technical parameters,main features,version verification test,production trial and appraisal of CD-2B alternating current and frequency conversion core drill.
介绍了交流变频调速CD - 2B型岩心钻机研制情况、技术参数、主要特点及型式检验、生产试验等情况。
This paper reviews the use, structure and capability of the core drill.
分析了岩心钻机的功用、结构、效能 ,从钻进工艺的要求出发 ,通过实践试验 ,分析了岩心钻机的驱动、传动系统的问题 ,论述了钻机型式 ;最后提出按浅、中、深不同孔深分挡考虑岩心钻机型式的意见。
Introduction is made on the development, technical parameters, main features, version verification test, production trial and appraisal of CD - 3 core drill.
介绍了CD－3型岩心钻机研制情况、技术参数、主要特点及型式检验、生产试验和鉴定情况。
Study on Structure Optimization of the Derrick of JYD-1000 All-hydraulic Core Drilling Rig;
JYD-1000型全液压岩芯钻机钻塔结构优化研究
Application of the XY-1 type core drilling machine to horizontal drilling
XY-1型岩芯钻机在水平钻孔施工中的应用
Design and analysis of the load sensing pump control system of the 1500m core-drilling rig
1500m岩芯钻机负荷传感泵控系统的设计与分析
Finite Element Analysis and Research on Optimum Design of Drilling Tower Joints of JYD-1000 All-hydraulic Core Drill;
JYD-1000型全液压岩芯钻机钻塔节点有限元分析及优化设计研究
Study on drill bit for large diameter core drilling of deep hole in hard rock
硬岩深孔大口径取芯钻进的钻头研究
The Multi-functions of Micro-bubble Drilling Fluid for Core Drilling
微泡钻井液在岩芯钻探中的多重功效
Method of deducting contamination caused by drill oil-based fluid in organic geochemical analysis of borehole core
钻探油基泥浆对岩芯有机地化分析中污染的扣除方法研究
This drill can bore through rock.
这台钻机能钻透岩石.
bar rigged drifter
架式风钻，架式凿岩机
Management System of Geological Prospecting Bore Rock Core Information Multimedia Database
地质勘查钻孔岩芯信息多媒体数据库管理系统
Construction Method of Coring for Pore Forming Based on Water Drilling of Super-diameter Rock Pile
超大直径岩石桩水钻取芯成孔的施工技术
Application of Core Drilling Collecting Rate to Evaluate Seam Gas Content and Distribution
应用钻探岩芯采取率评价煤层瓦斯含量及分布
Solution to Failed Products,Shell Core Bore Core in Diesel Engine Block
柴油机气缸体壳芯钻芯废品问题的解决
drill ,interchangeable, of base metal, for hand or machine tolls (excl. those for rock drilling or earth boring)
钻头,可互换式,贱金属制,手工具或机床用（不包括凿岩或钻土用钻机）
This new model of drilling machine can bore through solid rock ten metres deep.
这台新型钻机能钻透十米厚的坚固岩石。
Mechanism of Efficient Rock Cracking and Its Engineering Application of Rotary Drilling Rig
旋挖钻机高效入岩机理及其工程应用
Analysis of Instance on Checking the Reflection Wave Method of Rock-socketed Pile Detect by Core Drilling Method
用钻芯法核验反射波法检测桩端嵌岩情况的实例分析
This machine can bore through solid rocks.
这台机器能够钻透坚硬的岩石。