| 采煤机液压调高系统改进 |
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| 引用本文： | 刘士阁,刘文东,张锋.采煤机液压调高系统改进[J].煤矿机械,2011(6):184-185. |
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| 作者姓名： | 刘士阁 刘文东 张锋 |
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| 作者单位： | 三一重型装备有限公司,沈阳,110027 |
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| 摘 要： | 现在许多采煤机都选用平衡阀为液压锁,收到良好效果,用同样办法,应用到某型号采煤机液压调高系统却出现了问题,当采煤机滚筒由最高点开始下降时,滚筒和摇臂出现了抖动现象,通过对此问题分析,提出了改进办法,达到满意结果。
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| 关 键 词： | 采煤机 液压调高 平衡阀 抖动 |
Improvement of Height -adjusting Hydraulic System of Electrical Haulage Coal Winning Machine |
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| LIU Shi-ge,LIU Wen-dong,ZHANG Feng.Improvement of Height -adjusting Hydraulic System of Electrical Haulage Coal Winning Machine[J].Coal Mine Machinery,2011(6):184-185. |
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| Authors: | LIU Shi-ge LIU Wen-dong ZHANG Feng |
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| Affiliation: | (Sany Heavy Equipment Limited Company,Shenyang 110027,China) |
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| Abstract: | At present,balance valves are employed as hydraulic lock and good results are received in most miners,however,these balance valves are implied in a sort of miner in same way,which brings about vibration of rock arm and rotary drum,with analyzing on shaking phenomenon from rotary drum of some kind of coal winning machine when it begin to descend at the highest position of rotary drum,a solution is provided and is satisfied. |
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| Keywords: | coal winning machine height_adjusting system of hydraulic balance valve shaking |
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