Huadian Technology ›› 2017, Vol. 39 ›› Issue (11): 66-67.

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Hydraulic support column and jack weeping cause analysis and improvement

  

  1. Erdos Shentong Coal Company Limited, Erdos 017000, China
  • Online:2017-11-25 Published:2017-12-21

Abstract:

Column or jack weeping is the main reason caused hydraulic support failure. The weeping of column and jack was analyzed from design, machining, assembly, operation and other aspects. Improve method was indicated.

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