WU Qing, LI Yong, GONG Fuzhang. Keys of electro-hydraulic control of support used for coal plough unit[J]. Journal of Mine Automation, 2014, 40(5): 97-99. DOI: 10.13272/j.issn.1671-251x.2014.05.025
Citation: WU Qing, LI Yong, GONG Fuzhang. Keys of electro-hydraulic control of support used for coal plough unit[J]. Journal of Mine Automation, 2014, 40(5): 97-99. DOI: 10.13272/j.issn.1671-251x.2014.05.025

Keys of electro-hydraulic control of support used for coal plough unit

  • Structure of electro-hydraulic control system of support used for coal plough unit was introduced and keys of electro-hydraulic control of support as well as solutions were focused on including precision of support pushing, support quick-moving and optimal arrangement of tip-to-face distance. Application shows that the electro-hydraulic control system of support used for coal plough unit can precisely control automatic pushing-step of support with moving-forward time of 8 s, and there is no top off or rib spalling.
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