In order to speed its construction progress,a new technology of anchor DTH drill has already been used in slope retaining wall construction.
在锚杆挡墙被广泛采用的今天,为加快其施工进度,潜孔钻钻孔作为一种新技术已经开始用于边坡挡墙的施工中。
In the case of Model CS-165E DTH drill for opencast mining,SPT-K-2024 controller was used as key component of electric-hydraulic control system.
CS-165E露天潜孔钻机采用SPT-K-2024控制器作为电液控制系统的核心部件,由SPT-K-2024控制器直接驱动电液比例阀和电磁阀,接受传感器信号;通过CANO-PEN总线实现2个控制器和一个SPT-X-AT2纯文本显示器组网,极大地提高了系统的稳定性和可靠性。
In order to meet the need of the large-diameter longhole drilling in underground mines and the control of slope in open pit mines,entrusted by the Chinese govern-ment,Changsha Institute of Mining Research(CIMR)carried out a study on high pressurepneumatic DTH drill.
为了满足地下矿山大孔径深孔凿岩和露天矿山边坡控制的需要，我院受国家之命开展了高气压潜孔钻机的研究工作；自１９８０年以来先后研制成功几种典型产品并在矿山付诸应用。
Based on the analysis of actualities and development situation of DTH drill abroad,and compared with actualities of DTH drill at home,a development thought for our country at present is put forward.
潜孔钻机以其特有的凿孔特点占据了很大一块市场。
The application of down-the-hole drill in tunnel;
潜孔钻机在隧道中的应用
The efficiency study of traveling hydraulic drive about the down-the-hole drill
潜孔钻机履带行驶液压驱动系统效率研究
Dynamic simulation and experiment study about the rotating hydraulic system of down-the-hole drill based on AMEsim
采用AMEsim的潜孔钻机回转液压系统的动态仿真与试验研究
Numerical simulation on bottom-hole flow field of down-the-hole bit;
潜孔钻头井底流场数值模拟研究
The failure cause was found by analyzing high pneumatic down-the-hole bit bursting crack and the other reasons in the early stage.
对高风压潜孔钻头使用时钻头体崩块、掉齿等早期失效情况进行分析,找到其失效原因。
Design of arm on down-hole drill based on improved genetic algorithm;
基于改进遗传算法的潜孔钻机钻臂设计计算
Throgh Comparing the propeties of downhole drill with other drills, The drilling specification and fractal rules of downhole drill have been studied.
本文通过比较各类钻机的特点，分析了目前广泛使用的潜孔钻机的凿岩性能及其分形规律。
On application of DTH drill in drilling pile construction in karst developing areas
潜孔钻在岩溶发育地区钻孔桩施工中的应用
Finite Elemtnt Analysis of 3-D Elastoplastic for DTH Bits
潜孔钻头本体三维弹塑性有限元分析
Modeling and Simulation of Rotating Hydraulic System in Down-the-Hole Drill
潜孔钻机回转液压系统的建模与仿真
The efficiency study of traveling hydraulic drive about the down-the-hole drill
潜孔钻机履带行驶液压驱动系统效率研究
Simulation analysis on the downhole bit based on LS-D YNA and optimization of tooth distribution
基于LS-DYNA的潜孔钻头仿真分析与布齿优化设计
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
A Brief Explanation of Air Actuated DTH Hammer Drilling Efficiency
空气潜孔锤钻进是提高钻进效率的有效途径
Downhole drill hammers and drills
GB/T13344-1992潜孔冲击器和钻头
Study on DTH with Self-propelled Round Bit and Its Simulation Analysis;
钻头自回转型潜孔锤研究及仿真分析
Neural Network Method in the Penetration Rate Prediction of Percussive Drilling
利用神经网络法预测风动潜孔锤钻速
Research of Technology Problem with Pneumatic Downhole Hammer Core Drilling
气动潜孔锤取心钻进工艺问题的研究
The Parameters Optimization of the Reverse Circulation DTH Hammer and Studies on Its Drilling Technique;
全孔反循环潜孔锤参数优化及其钻进工艺研究
Study of Non-Dig Oscillate-Drilling DTH Orientation Device Applied on Hard Rock Stratum;
硬岩非开挖钻进摆动式潜孔锤定向机构的研究
Researches on the Key Technologies of Hollow-Through DTH Used in Gas Drilling
气体钻井用贯通式潜孔锤关键技术研究
Research on the Technology Issue of Down-the-hole Hammer Drilling with Casing for Complex Stratum
复杂地层潜孔锤跟管钻进工艺问题研究
Penetration Mechanism of DTH Percussion Compact Drilling and Experimental Research on Compact Bit;
潜孔锤冲击挤密钻进机理及挤密钻头的设计与实验研究
Experimental and Drill Bit Flow Field Analyze of Run-through DTH Reverse Circulation Drilling Technique;
贯通式潜孔锤反循环钻进技术试验及钻头流场分析
Research of Application and Drilling Tool Optimization of Reverse Circulation Drilling Technique with Hollow-Through DTH Hammer
贯通式潜孔锤反循环钻进技术钻具优化及应用研究