The design of this drill tower and its application in construction of 60-inclined holes are given .
根据XY系列钻机的结构特点,设计了吊臂式钻塔,以满足不同倾角斜孔施工对钻塔的要求,重点介绍了该钻塔的设计应用及在60°斜孔施工中的适应性。
In this paper,drill tower was defined and classified,basic parameters for drill tower design were analyzed,different characteristics and the unified number of drill tower were summed up,calculation and optimization of drill tower design and the development trend for new type of drill tower were also briefly introduced.
给出了钻塔的定义,对各种钻塔进行了分类,详细分析了钻塔设计的基本参数,系统总结了各种钻塔特点和统一编号问题,简要介绍了钻塔设计计算和优化以及新型的钻塔发展趋势。
An alalysis is given the force-bearing condition of the derrick of the top-drive drill rig under ac-tion of the twisting moment exerted by the rotating drill tools and the turn-over moment resulted from pulldownof the feed frame while drilling.
分析了动力头式钻机之钻塔在钻进过程中，所受回转钻具的反扭矩与给进架给进力而造成的翻转力矩作用下的受力情况。
Structural design of drilling tower and 3D modeling by Pro/E software are stated,structural simulation and finite element analyses are made on the model based on Pre/MECHANICA.
论述了利用 Pro/E 软件对钻塔进行结构设计和三维建模,并利用 Pro/MECHANICA 模块对所建模型进行结构仿真和有限元分析,对不同的结构进行对比,得到最优化的尺寸结构。
He's employed on the oil rigs.
他受雇在油井钻塔工作.
The oil rig is now fully operative.
石油钻塔现全面开工.
Construction Technology of Under-reamed Bored Pile in Guangzhou New TV Tower
广州新电视塔扩底钻孔灌注桩施工技术
Application of Centralined Slurry Preparetion and Dispersed Grouting in Drilling Construction of Sutong Bridge Main Tower Pier
集中制浆分散净化技术在苏通大桥主塔墩钻孔施工中的应用
anoffshore oil rig, island, anchorage
近海的石油钻塔、 岛、 锚地
The Strength and Modal Analysis of GCF-1500 Impact Drilling Machine Tower;
GCF-1500冲击钻机钻塔强度与模态分析
Any of numerous hand tools for boring holes.
钻孔工具，手钻钻孔用的手持工具
The sorker was drilling.
此工人在用钻孔机钻孔。
A tool used for drilling.
钻头用于钻孔的工具
To make a hole with or as if with a drill.
钻孔用钻或类似钻的工具打洞
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
A pointed and threaded tool for drilling and boring that is secured in a brace, bitstock, or drill press.
钻头曲柄、钻柄或钻床之上用于钻孔的尖头工具
derricks and jetties above brown water;
钻塔和防波堤突现在褐色的海水上；
Beta Distribution and Quality Contrel of Drill-Core Recovery
贝塔分布与钻探取心率的质量控制(一)
Research on Rig Transverse Moving Device of Jack-up Platform
海洋平台钻塔横向移动装置技术研究
Drilling Fluid Technology for Horizontal Well YT2-6H in Tahe Oilfield
塔河油田YT2-6H水平井钻井液技术
Application of pressure controlled drilling technology of well Tazhong 62-13H
控压钻进技术在塔中62-13H井中的应用
The driller does not work in the office, he works on the drill floor.
司钻不在办公室工作,他在钻台上工作.