| 镐型截齿与齿座无相对运动时的有限元分析 |
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| 引用本文： | 李晓豁,石宁,姚继全,王丹. 镐型截齿与齿座无相对运动时的有限元分析[J]. 煤炭科学技术, 2012, 40(1): 92-94,121 |
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| 作者姓名： | 李晓豁 石宁 姚继全 王丹 |
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| 作者单位： | 1. 辽宁工程技术大学机械工程学院,辽宁阜新,123000
2. 新疆工业高等专科学校机械工程系,新疆乌鲁木齐,830091 |
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| 基金项目： | 国家自然科学基金资助项目，中国煤炭工业协会科学技术研究指导性计划资助项目，中国煤炭工业科技计划资助项目，辽宁省第二批科学技术计划资助项目 |
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| 摘 要： | 为了查清掘进机上使用的镐型截齿与齿座无相对运动时的结构强度和应力分布、探究其损坏的原因,建立了截齿、齿座的三维实体模型和有限元模型,通过网格划分、添加载荷与约束,利用计算机模拟获得了截齿和齿座的变形和应力分布云图。分析认为,该工况下截齿的损坏并非强度不够所致,而是由于截齿在齿座中不转动引起偏磨,造成镐型截齿硬质合金的脱落。结果表明,研究结论与实际情况相符。
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| 关 键 词： | 镐型截齿 齿座 有限元分析 强度 掘进机 |
Finite Element Analysis on Conical Pick and Holder During Non Relative Movement |
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| LI Xiao-huo,SHI Ning,YAO Ji-quan,WANG Dan. Finite Element Analysis on Conical Pick and Holder During Non Relative Movement[J]. Coal Science and Technology, 2012, 40(1): 92-94,121 |
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| Authors: | LI Xiao-huo SHI Ning YAO Ji-quan WANG Dan |
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| Affiliation: | 1(1.School of Mechanical Engineering,Liaoning Technical University,Fuxin 123000,China; 2.Mechanical Engineering Department,Xinjiang Polytechnic College,Urumuqi 830091,China) |
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| Abstract: | In order to verify the structure strength and the stress distribution of the conical pick and the pick holder applied in the mine roadheader during the no relative movement and to study the failure causes,a 3D solid model and a finite element model of the pick and the pick holder was established.With the mesh division,load added and constraint,the computer simulation was applied to obtain the deformation and stress distribution cloud picture of the pick and pick holder.The analysis showed that under the performances,the failure of the pick would not cause by the strength and cause by the partial abrasion due to no rotation of the pick in the pick holder,which caused the hard alloy falling off of the pick.The results showed the study conclusion and the actual conditions would be the same. |
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| Keywords: | conical pick pick holder finite element analysis strength mine roadheader |
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