Advances and outlook of coal mine tunnel drilling equipment and technology
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Affiliation:

1.Xi’an Research Institute Co., Ltd., China Coal Technology and Engineering Group Corp.,Xi’an Shaanxi 710077, China;2.China Coal Research Institute, Beijing 100013, China

Clc Number:

P634

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    Abstract:

    Coal mine tunnel drilling equipment and technology are restricted by many unfavorable conditions in the process of development, which leads to the lag of new technology development. The promotion of intelligence in China’s coal mines brings a revolutionary opportunity for the development of coal mine tunnel drilling equipment and technology. The foreign technical characteristics and development of drilling equipment are analyzed. At the same time, the paper also analyzes the three development stages of domestic tunnel drilling equipment and technology: the initial stage of the split type drill rig and the trajectory control method with the stable combined drilling tools; the vigorous development stage of the crawler drill rig, the directional drilling equipment and technology, and the soft coal seam drilling technology; the new development stage of the automatic and intelligent equipment and technology. The key problems are put forward with drilling equipment and technology in the intellectualized development stage of China’s coal mines in the future, which provides support for improving the intellectualized level of drilling equipment and technology.

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History
  • Received:December 08,2020
  • Revised:
  • Adopted:
  • Online: January 27,2021
  • Published: January 10,2021