| ZZ4400/14.5/29型液压支架推移千斤顶的改进 |
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| 引用本文： | 董满江.ZZ4400/14.5/29型液压支架推移千斤顶的改进[J].煤矿机械,2004(6):98-99. |
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| 作者姓名： | 董满江 |
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| 作者单位： | 黄陵矿业集团有限责任公司,陕西,黄陵,727307 |
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| 摘 要： | 经过对ZZ4 40 0 / 14 .5 / 2 9型支撑掩护式液压支架推移千斤顶的改进 ,能够解决推移千斤顶的敲缸现象 ,避免活塞杆左端被撞变形 ,避免影响压盘的装配 ,减轻工人的劳动强度 ,提高生产效率。
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| 关 键 词： | 千斤顶 敲缸 改进 劳动强度 效率 |
| 文章编号： | 1003-0794(2004)06-0098-02 |
| 修稿时间： | 2004年2月23日 |
Improvement of push jack in ZZ4400/14.5/29 hydraulic support |
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| DONG Man-jiang.Improvement of push jack in ZZ4400/14.5/29 hydraulic support[J].Coal Mine Machinery,2004(6):98-99. |
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| Authors: | DONG Man-jiang |
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| Abstract: | After improvement of push jack in ZZ4400/14.5/29 hydraulic support,knocking at vat of push jack could be passed away,lift end of piston bar could not be knocked deformed,assemblage of pressing tray could not be affected,labour intensity of workers could be mitigated,productivity could be raised. |
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| Keywords: | jack knock at vat improve labour intensity productivity |
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