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KAN Zhi-tao ZHANG You-zhen MA Bing BAI Wen-le, . Application and Improvement on Full Hydraulic Crawler Drilling Rig in Construction of Roadway Floor Grouting and Anchoring[J]. COAL SCIENCE AND TECHNOLOGY, 2014, (2).
Citation: KAN Zhi-tao ZHANG You-zhen MA Bing BAI Wen-le, . Application and Improvement on Full Hydraulic Crawler Drilling Rig in Construction of Roadway Floor Grouting and Anchoring[J]. COAL SCIENCE AND TECHNOLOGY, 2014, (2).
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Application and Improvement on Full Hydraulic Crawler Drilling Rig in Construction of Roadway Floor Grouting and Anchoring

  • Xi'an Research Institute Co.，Ltd. , China Coal Technology and Engineering Group Tiandi Science & Technology Co., Ltd.

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  • Available Online: April 02, 2023
  • Published Date: February 24, 2014
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    • Abstract
  • In order to solve the problem that the operating speed was slow in construction of roadway floor grouting and anchoring in coal mine, the ZDY1200L Full Hydraulic Crawler Drlling Rig was improved to meet the construction requirement, the angle range of main shaft was changed in- 90° ~ 0° and the machine was used in main ventilation roadway of Jiangjiahe Coal Mine. The results showed that the feed speed of the reconstructed ZDY 1200L Full Hydraulic Crawler Drilling Rig run smooth ly and balanced, the structure was safety and reliability. Drilled quantity of boreholes per day was 60, which was twice than geological drill, drill speed had greatly impro ved. Thus the construction efficiency and operating speed were improved effectively in construction of roadway floor grouting and anchoring.
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