Volume 38 Issue 2
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DING Jun-feng, ZHANG Sheng-qiang, CHEN Qing-qing, ZHENG Feng-long. Design of Measuring Instrument of Impact Frequency of Pneumatic Anchor Drill[J]. Journal of Mine Automation, 2012, 38(2): 106-108.
Citation: DING Jun-feng, ZHANG Sheng-qiang, CHEN Qing-qing, ZHENG Feng-long. Design of Measuring Instrument of Impact Frequency of Pneumatic Anchor Drill[J]. Journal of Mine Automation, 2012, 38(2): 106-108.
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Design of Measuring Instrument of Impact Frequency of Pneumatic Anchor Drill

  • 1.

    College of Information and Electrical Engineering of Shandong University of Science and Technology, Qingdao 266510, China. 2.Yaoqiao Coal Mine of Jiangsu Branch of Shanghai Datun Energy Co., Ltd., X

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  • In view of problem that it is difficult to measure impact frequency of pneumatic anchor drill, the paper proposed a design scheme of new type of measuring instrument of impact frequency of pneumatic anchor drill. The instrument uses pressure sensor to collect impact signal of drill, and uses voltage comparator and monostable trigger to process the signal which is input into single-chip microcomputer to count impact frequency of drill. The actual application showed that the instrument can measure impact frequency of drill accurately and easily.
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