Volume 44 Issue 11
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GAO Weiyong, ZHANG Minjuan. Research on following automation technology of hydraulic support on fully—mechanized coal mining face[J]. Journal of Mine Automation, 2018, 44(11): 14-17. DOI: 10.13272/j.issn.1671—251x.2018050040
Citation: GAO Weiyong, ZHANG Minjuan. Research on following automation technology of hydraulic support on fully—mechanized coal mining face[J]. Journal of Mine Automation, 2018, 44(11): 14-17. DOI: 10.13272/j.issn.1671—251x.2018050040
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Research on following automation technology of hydraulic support on fully—mechanized coal mining face

  • 1.

    Zhengzhou Coal Machine Hydraulic Electric Control Co., Ltd., Zhengzhou Coal Mining Machinery Group Co.， Ltd., Zhengzhou 450016, China

  • 2.

    Foundation Department, Zhengzhou Industry and Trade School, Zhengzhou 450016, China

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  • In view of characteristics of full cutting depth bidirectional cutting technology which was widely used in fully—mechanized coal mining face, a following automation technology of hydraulic support on fully—mechanized coal mining face was put forward, which included three stages: middle following automation, head following automation and tail following automation. According to action type of hydraulic support and following action distance, technology process of the middle following automation was analyzed. Combining with action flow of hydraulic support and running track of shearer, technology process of the head and tail following automation was divided into six stages: cutting through coal wall, first repeatedly braking bottom, oblique cutting feed, cutting triangular coal, secondary repeatedly braking bottom and cutting coal toward the middle. The application results show that the technology effectively improves following automation level of hydraulic support.
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