| 造船龙门起重机主梁结构件的疲劳试验与分析 |
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| 引用本文： | 郭晓光,许成斌,殷鹏,王欣.造船龙门起重机主梁结构件的疲劳试验与分析[J].起重运输机械,2020(7):63-67. |
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| 作者姓名： | 郭晓光 许成斌 殷鹏 王欣 |
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| 作者单位： | 大连船舶重工集团有限公司;大连理工大学机械工程学院 |
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| 摘 要： | 以580吨级造船龙门起重机主梁结构为研究对象,通过设计结构试件进行疲劳试验,获得试件在不同应力水平下的疲劳寿命循环次数,同时观测试件的裂纹形成、扩展现象。最后,根据试验结果拟合出的S-N曲线,对照选取标准中的S-N曲线,为结构疲劳分析提供试验依据。
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| 关 键 词： | 造船龙门起重机 主梁 疲劳试验 断口分析 |
Fatigue test and analysis of main girder structure of shipbuilding gantry crane |
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| Guo Xiaoguang,Xu Chengbin,Yin Peng,Wang Xin.Fatigue test and analysis of main girder structure of shipbuilding gantry crane[J].Hoisting and Conveying Machinery,2020(7):63-67. |
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| Authors: | Guo Xiaoguang Xu Chengbin Yin Peng Wang Xin |
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| Abstract: | Taking the main girder structure of 580 t shipbuilding gantry crane as the research subject, we used the designed structural specimens to carry out fatigue tests, obtained the fatigue life cycle times of the specimens under different stress levels, and observed the crack formation and propagation of the specimens. Finally, the S-N curve fitted according to the experimental results was compared with the S-N curve in the selected standard, which provides experimental basis for structural fatigue analysis. |
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| Keywords: | shipbuilding gantry crane girder fatigue test fracture analysis |
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