潜孔钻

潜孔钻在岩溶发育地区钻孔桩施工中的应用

On application of DTH drill in drilling pile construction in karst developing areas

潜孔钻及袖阀管灌浆在加固块石路堤工程中的应用

The Applications in Construction of Reinforce Block-stone Railway Embankment with DTH Drill and Sleeve-valve Tube Grouting

φ555mm石油潜孔钻壳体的研制

The Development of the Shell for φ 555 mm Petroleum Drilling Machine

石油潜孔钻壳体的研制是我公司新产品开发项目之一。

The development of the shell for the petroleum drilling machine is one of the developing projects in our company .

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 order to speed its construction progress , a new technology of anchor DTH drill has already been used in slope retaining wall construction .

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 .

以上计算和分析的结果，对气动潜孔锤短钻柱系统优化设计和钻井工艺的采用具有实际应用价值。

The optimum design of DTH drilling system and the adoption of drilling technology can be developed based on the data and result .

该系统能大大提高潜孔钻机对卡钻判别的准确性和处理的快速性。

The accuracy of distinguish jamming types and the speed of handling jamming of this system have improved a lot .