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.
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.
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.
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.
该钻机主要用于土、岩锚杆、路基、坝基、挡土墙加固、爆破孔等钻孔工程以及高压旋喷孔的施工。
The drilling rig is mainly used in soil and rock anchoring, consolidation of road base, dam base and retaining wall, and blasting hole drilling and jet-grouting.
CTQ - Z 120y型履带式液压钻机主要适用于露天矿山开采，水利，电站，筑路等石方爆破孔凿岩。
CTQ-Z120Y Crawler hydraulic drilling rig is mainly suitable for rock blasting hole drilling in open mining, water conservancy, power plants, roads ect.
CTQ - Z 120y型履带式液压钻机主要适用于露天矿山开采，水利，电站，筑路等石方爆破孔凿岩。
CTQ-Z120Y Crawler hydraulic drilling rig is mainly suitable for rock blasting hole drilling in open mining, water conservancy, power plants, roads ect.
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