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扩孔钻头和凿岩工具设计与制造技术的发展,拓展了天井钻技术的应用空间。现在,这一技术不仅可在非常坚硬的岩石中开凿天井,还可适用于人口稠密的市区以及地下深处。简单来说,矿工在防护笼中由下向上开挖施工,操作过程似乎极具危险性。然而,因为采用了天井钻技术,如今钻井、开孔作业已转变为机械化方式。对天井钻技术的研发,天井钻的功能、型号及其适用范围等,作了较详细的介绍。
Reaming drilling and drilling tools design and manufacturing technology development, expanding the application of space drilling technology. Now, this technology not only can dig the patio in very hard rocks but also in densely populated urban areas and deep underground. In simple terms, the miners digging up from the bottom up in the protective cage, the operation seems to be very dangerous. However, because of the use of patio drilling technology, today’s drilling, drilling operations have been transformed into a mechanized way. The development of the patio drilling technology, patio drilling function, model and its scope of application, made a more detailed introduction.