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该课题是国家“九五”攻关项目“改善煤矿安全状况综合配套和关键技术的研究”的子专题,由煤科总院西安分院与阳泉煤业(集团)公司共同完成。攻关合同确定的目标是:“开发研制能钻进600m大直径近水平岩石孔的钻机、钻具及成孔工艺,为以岩石大钻孔逐步代替走向高抽巷创造条件。”
This project is a sub-topic of the “Nine Five” research project “Research on Comprehensive Supporting and Key Technologies for Improving Coal Mine Safety Situation”, jointly completed by Xi’an Branch of Coal Science and Technology General Administration and Yangquan Coal Industry (Group) Company. The objective of the tackling contract is: “To develop and manufacture drilling rigs, drilling tools and drilling processes capable of drilling into rock holes of about 600m in diameter and to create conditions for the gradual replacement of large boreholes by large rock drilling holes.”