| 桥式起重机箱型主梁典型缺陷应力集中分析 |
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| 引用本文： | 张超,秦义校,李艳青,杨海明,李中华.桥式起重机箱型主梁典型缺陷应力集中分析[J].山西机械,2012(1):122-123,129. |
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| 作者姓名： | 张超 秦义校 李艳青 杨海明 李中华 |
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| 作者单位： | [1]太原科技大学机械工程学院,山西太原030024 [2]太原科技大学应用科学学院,山西太原030024 |
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| 摘 要： | 建立了起重机箱型主梁的有限元力学模型,利用ANSYS分析软件对同一工况、同一位置的裂纹在外载作用下的应力集中系数进行分析。讨论了偏轨箱型主梁在有圆孔或裂纹的情况下的应力集中系数及其对强度的影响,为桥架的应力集中及强度分析提供了有用的数据。
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| 关 键 词： | 应力集中系数 有限元法 桥式起重机 箱型主梁 缺陷 |
Analysis of Stress Concentration of Typical Defects in Box Girder of Bridge Crane |
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| ZHANG Chao,QIN Yi-xiao,LI Yan-qing,YANG Hai-ming,LI Zhong-hua.Analysis of Stress Concentration of Typical Defects in Box Girder of Bridge Crane[J].Shaanxi Machinery,2012(1):122-123,129. |
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| Authors: | ZHANG Chao QIN Yi-xiao LI Yan-qing YANG Hai-ming LI Zhong-hua |
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| Affiliation: | 1.School of Mechanical Engineering,Taiyuan University of Science and Technology,Taiyuan 030024,China;2.School of Applied Science,Taiyuan University of Science and Technology,Taiyuan 030024,China) |
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| Abstract: | This paper set up the finite element model of the box girder of a bridge crane,analyzed the stress concentration factor of the cracks with different shape in the girder under the same condition by ANSYS software.The influence of different cracks on the girder was discussed.It provides detailed data for the stress concentration and strength analysis of the bridge crane. |
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| Keywords: | stress concentration factor finite element method bridge crane box girder defects |
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