| 采煤机外牵引顶部连接螺栓部位改进 |
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| 引用本文： | 熊世伟,张程霖,杜伟,杨梅.采煤机外牵引顶部连接螺栓部位改进[J].山西科技,2011(5):109-110. |
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| 作者姓名： | 熊世伟 张程霖 杜伟 杨梅 |
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| 作者单位： | 太原矿山机器集团有限公司技术中心,山西太原,030032 |
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| 摘 要： | 通过对采煤机外牵引顶部连接螺栓处结构的改进,避免了因内螺纹失效而导致外牵引的损坏;增加了主机架刚性,消除螺栓所受剪切力;加大螺栓连接板的焊接范围,防止焊缝撕裂。
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| 关 键 词： | 采煤机 外牵引 连接螺栓 |
Improvements of Haulage Bar Top Connecting Bolt of Coal-winning Machines |
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| XIONG Shiwei,ZHANG Chenglin,DU Wei,YANG Mei.Improvements of Haulage Bar Top Connecting Bolt of Coal-winning Machines[J].Shanxi Science and Technology,2011(5):109-110. |
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| Authors: | XIONG Shiwei ZHANG Chenglin DU Wei YANG Mei |
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| Institution: | XIONG Shiwei,ZHANG Chenglin,DU Wei,YANG Mei |
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| Abstract: | By changing the structure of haulage bar top connecting bolt of coal-winning machines,damage of haulage bar,caused by failure of inside screw thread will be avoided;rigidity of the main frame will be enforced and blade load on the bolt will be eliminated;welding ranges of bolt connecting board will be enlarged,preventing soldering laceration. |
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| Keywords: | coal-winning machine haulage bar connecting bolt |
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