1) DTH hammer
潜孔锤
1.
The development of ZWC-95 mid-pressure air DTH hammer;
ZWC-95型中风压潜孔锤的研制
2.
Inner Hole Obstruction Mechanism Analysis of DTH hammer;
潜孔锤内孔堵塞机理分析
3.
Research and application on rock broken mechanism of pneumatic DTH hammer spherical tooth
气动潜孔锤球齿碎岩机理研究
2) DTH
潜孔锤
1.
Drilling experimental study of run-through DTH in complicated broken stratum;
贯通式气动潜孔锤在复杂破碎地层钻进的研究
2.
Experimental Research on Run-through DTH Counter-Circulation Drilling Technique;
贯通式潜孔锤反循环连续取芯技术的试验研究
3.
Visual Software Development on Pneumatic DTH Design;
可视化气动潜孔锤设计软件系统的开发
3) Down-the-hole hammer
潜孔锤
1.
The down-the-hole hammer drilling is to use compressed air as circulation medium substituted conventional mud,has solved problems of coalfield sealed fire area exploration high temperature water burst in boreholes,burnt rock loosen and developed fissures,instable and easy to collapse,broke through low drilling efficiency in hard rocks.
潜孔锤钻进是以压缩空气代替传统的泥浆作为循环介质,解决了煤田火区勘察钻孔中高温水爆、烧变岩疏松裂隙发育、不稳定易坍塌的问题、突破了坚硬岩层硬钻探效率低的难题。
2.
However, there are still many problems, such as: ambiguity classification of the complex stratums\' systematic; inexplicit of methods of determining reasonable drilling tools and regulations in complex stratums; uncertainty of the method of the depth of casing and its impact factors of Down-the-hole Hammer Drilling with Casing.
潜孔锤跟管钻进技术可以很好的解决复杂地层钻进中的护壁难的问题,是针对复杂地层中钻进成孔的有效方法。
4) air-hammer drilling
潜孔锤钻井
5) DTH hammer bit
潜孔锤钻头
1.
The process,impacting concrete slab with tungsten carbide button of DTH hammer bit,was simulating calculated by non-linear finite element software LS-DYNA3D on concrete model,the effects of different target mesh sizes of concrete on impaction force,impact velocity and penetration depth was discussed.
潜孔锤钻头冲击钻进的过程是一个高度非线性、大变形、破坏的过程。
6) hydro-hammer
液动潜孔锤
1.
Working principle and structural features of SYZX75 wire-line coring hydro-hammer are presented.
介绍了SYZX75型绳索取心液动潜孔锤的工作原理及结构特点。
2.
The paper introduces technical specifications and structural concepts of newly developed "three-in-one" drilling tool(wire-line coring,hydro-hammer and PDM)and describes experiment of testing drilling hole and main borehole of CCSD.
介绍了研制成功的绳索取心、液动潜孔锤、螺杆马达三合一组合钻具的技术参数、结构原理及其在中国大陆科学钻探工程试验钻孔和主孔的试验情况。
3.
The evaluation result shows that hydro-hammer dril.
评价结果表明,液动潜孔锤钻进方法是一种值得大力推广的高效钻进方法。
补充资料：揲揲锤锤
1.象声词。促织的叫声。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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