冲击钻头

本文较详细地介绍了一种新研制的冲击钻头的结构要素、加工工艺以及实际使用情况。

This paper describes the parts , processing technology and practical ultilization for the newly developed percussion bit .

Φ600mm冲击钻头的设计与使用

Design and utilization of φ 60mm percussion bit

物探气动冲击钻头热处理工艺试验研究

Heat treatment experiment research of pneumatic percussive drill bit for geophysical explore

但是，空气锤、特别是配套冲击钻头断脱导致的井下事故时有发生，影响因素极为复杂。

But the matching impact bits often dropped off from the pneumatic hammers and led the well accident caused by complex factors .

对流场的可视化研究表明破坏钻头的主要因素可能是随漩涡而冲击钻头壁面的岩屑和气相的溃灭冲蚀以及水力设计不合理而造成流道堵塞；

Visualization investigation shows that , the main factors for bit damage include rock cuttings impact on the bit wall with eddies , air phase erosion and flow passage jamming resulted from unreasonable hydraulic design .

钻头型号的优选冲击式钻头

Optimizing Drilling Bit Types by Analysing Drilling Developing History Impact action bit

冲击式钻头冲击&回转式凿岩扭矩的计算与分析

Impact action bit the calculation and analysis of torque in percussion-rotary drilling

在地震勘探钻井中，为对付坚硬岩层，国外采用了冲击式钻头。

In foreign seismic prospecting , impact action bit is used to drill hard formation .

J系列潜孔冲击器和钻头研究

A study on J - series down - the - hole hammer and bit

凸轮型冲击回转挤压钻头成孔机理的研究

The Pore-forming Mechanism Study of Cam Bit on Percussive-Rotary Extruding DTH Drilling

GB/T13344-1992潜孔冲击器和钻头

Downhole drill hammers and drills

首次成功地应用了低能导爆索滑块式微差起爆系统和声发射定位系统等新技术；新研制的高风压潜孔冲击器和钻头的技术性能超过了进口的同类产品。

Technical performances of the newly designed high air pressure down-the-hole hammer and bits are superior compared with those of imported counterparts .

阶梯式冲击挤密钻头结构优化设计及试验柱锤冲扩挤密灰渣土桩在路基处理中的应用

The optimization design and experimental research on percussion-compact step drill bit Application of Compaction Lime Brick Rubbish Pile by Columnar Impact Rammer for Strengthening Subgrade

射流式液动锤回转冲击孕镶金刚石钻头钻进的实践与分析

Practice and analysis of rotary-percussive drilling of impregnated diamond bit with liquid jet hammer

在高层建筑和地下工程的地基加固而进行的土层锚杆施工中，采取圆锥形冲击回转挤密钻头与气动潜孔锤结合，形成了冲击回转挤密成孔的钻进方法。

In the construction of anchor consolidating the foundation of architectures and underground constructions , the combination of conic Percussion-Rotary-Extruding Bit ( PREB ) and pneumatic Down-the-Hole ( DTH ) hammer was adopted forming Percussion-Rotary-Extruding Drilling Method ( PREDM ) .