为满足我国山地丘陵地区物探爆破孔施工技术的要求，研究适合土层、岩层钻进用的钻机及工具，对钻机的配套设备进行了开发研究。

Drill rig and its accessory tools were developed to meet the technical requirements of drilling Geo physical blast holes in soil and rock among mountainous and hilly area in China.

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本文介绍了在沉井上部搭台架设钻机，进行水下钻孔，孔内分层定向爆破技术。

This paper introduces a technique of erecting framework and rig at the upper part of the caisson, making underwater boring and oriented explosion by layers within the bore hole.

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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.

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