| ZZ9900/29.5/50型支架护帮装置限压阀板的改进 |
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| 引用本文： | 顾荣芳.ZZ9900/29.5/50型支架护帮装置限压阀板的改进[J].同煤科技,2012(1):40-41. |
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| 作者姓名： | 顾荣芳 |
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| 作者单位： | 大同煤矿集团力泰公司 |
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| 摘 要： | 对ZZ9900/29.5/50型支撑掩护式大采高液压支架护帮装置限压控制系统限压阀板存在的缺陷进行了分析、改进.
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| 关 键 词： | 液压支架 护帮装置 限压控制系统 限压阀 |
Improvement of Valve Plate of the Protect Coalside Device of ZZ9900/29.5/50 Type Hydraulic Support |
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| Authors: | Gu Rongfang |
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| Affiliation: | Gu Rongfang |
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| Abstract: | The article introduces the valve plate defect existed in limited pressure control system of ZZ9900/29.5/50 chock-shield-type hydraulic support,and put forwards the solution for some failures. |
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| Keywords: | hydraulic support protect coalside device limited pressure control system pressure limiting valve |
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