对潜孔钻机卡钻机理进行了探讨。
The rock-drilling jamming mechanism of down-the-hole drill is discussed.
将液压设计技术创新性地应用于轻型潜孔钻机中，实现高效节能。
To achieve high efficiency energy - saving, the hydraulic design of technological innovation is applied to the light down the hole drill.
高气压环形潜孔钻机是地下矿山高阶段大直径深孔采矿的关键设备。
High pressure ring-shaped DTH drills are key equipment for underground high level large diameter long hole mining.
QZ100K型潜孔钻机由本院机械厂研制，并已获国家实用新型专利。
Model QZ100K drill was developed by the machinery plant, Changsha Institute of Mining Research, With a China National practical new-type patent.
根据石方开挖施工经验，计划采用潜孔钻机布孔进行深孔控制爆破技术施工。
According to experience of stonework excavation, we plan to adopt a in-the-hole drill to have deep hole controlled blasting technology.
潜孔钻机除尘系统对于延长钻机使用寿命，保证作业人员的身体健康至关重要。
Removing dust in the down-the-hole drill is very important in lengthening the service life of drill and assuring the health of workers.
石方开挖施工要点：采用潜孔钻机配以凿岩机钻眼，松动控制爆破和边坡成型光面爆破。
Elements of stonework excavation: Use down-hole drill assisted with hammer drill drilling. Control blasting loosely and side slope molding smoothing wall blasting.
目前，潜孔钻机普遍采用冲击回转凿入系统，用以产生回转力矩，对岩石产生剪切作用而成颗粒分离。
Currently, the DTH RIGS use generally a percussion rotary penetration sys-tem to generate the rotating torque that produces a shearing action for breaking rock.
从一组实测数据出发，在分析潜孔钻机的优越性和存在问题的基础上，对国内外已有的几种潜孔钻机结构上的优缺点进行了分析，并得出了相关的结论。
Based on measured data, analyze the advantage and disadvantage of the structure of several downhole drills both at home and abroad, and put forward associated results.
针对干旱、半干旱地区缺水的特点，结合化探取样的要求，采用全液压车载钻机空气潜孔锤钻进工艺。
This paper discusses the application of full-hydraulic track driller with automobile chassis in the arid and semiarid areas.
钻机可适用多种钻进工艺方法，如合金回转钻进螺旋钻进潜孔锤钻进跟管钻进等。
8 the rig is suitable for various drilling methods such as carbide bit drilling, auger drilling, DTH hammer drilling, follow - up casing drilling, etc. 3.
钻机可适用多种钻进工艺方法，如合金回转钻进螺旋钻进潜孔锤钻进跟管钻进等。
8 the rig is suitable for various drilling methods such as carbide bit drilling, auger drilling, DTH hammer drilling, follow - up casing drilling, etc. 3.
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