| 可回收锚杆专用扳手研制 |
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| 引用本文： | 刘玉洲,孙玉宁. 可回收锚杆专用扳手研制[J]. 煤矿机械, 2005, 0(9): 90-91 |
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| 作者姓名： | 刘玉洲 孙玉宁 |
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| 作者单位： | 河南理工大学,河南,焦作,454000;河南理工大学,河南,焦作,454000 |
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| 摘 要： | 介绍一种用于回收井下巷道支护锚杆的专用扳手的开发,设计和在井下现场的使用效果。该锚杆回收扳手由压气驱动,在给可回收锚杆的尾部提供反扭矩的同时,还可以承受拉力。
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| 关 键 词： | 锚杆 风动扳手 拉力 |
| 文章编号： | 1003-0794（2005）09-0090-02 |
| 收稿时间： | 2005-05-17 |
| 修稿时间： | 2005-05-17 |
Development of Specialized Spanner for Retrieving Bolts |
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| LIU Yu-zhou,SUN Yu-ning. Development of Specialized Spanner for Retrieving Bolts[J]. Coal Mine Machinery, 2005, 0(9): 90-91 |
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| Authors: | LIU Yu-zhou SUN Yu-ning |
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| Affiliation: | Henan Polytechnic University, Jiaozuo 454000, China |
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| Abstract: | This paper presents the development, design and performances of a specialized wrench for retrieving bolts which are used to support the longwall headings. The compressed air powered wrench is capable of providing reverttorque to retrievable bolt end and sustain drag force. |
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| Keywords: | bolts compressed air powered wrench drag force |
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