shot core drill

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。

Development of YDX-2 All Hydraulic Core Drill

YDX-2型全液压岩心钻机的研制

The Study on Stabilization of Mast Framework System of 2km. Full Hydraulic Drived Deep Geological Drilling Machine

2000米深孔全液压岩心钻机桅杆结构系统稳定性研究

This drill can bore through rock.

这台钻机能钻透岩石.

The geological prospecting enterprises completed a total of 5.36 million meters of drilling.

地质勘查完成机械岩心钻探工作量536万米。

Diamond core drilling equipment conventional system

GB/T16950-1997金刚石岩心钻探钻具设备

bar rigged drifter

架式风钻，架式凿岩机

Cuttings and core from the drill-holes have intersected conglomerate bands.

钻粉和岩心已穿过了砾岩夹层。

Core orientation and its Progress

钻探定向岩心的用途和岩心定向技术的进展

Research on Bionic Coupling Diamond Coring Bits in Drilling Hard Rock

硬岩钻进用仿生耦合金刚石取心钻头研究

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。

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 optimization of PDC bit based on core information of volcanic layer

基于火山岩地层钻井岩心资料的PDC钻头设计改进

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

Research on Core Drilling in Loose Formation from In-Situ Leaching Sand Uranium Deposit;

地浸砂岩型铀矿松散岩层取心钻进技术研究

Seamless steel tubes standard use diamond core drilling

GB3423-1982金刚石岩心钻探用无缝钢管

Development of core drill equipment for combined underwater drill rammer of rock built-in pile hole

嵌岩桩孔组合潜孔锤取心钻具的研制