| 基于损伤容限设计的冶金桥式起重机疲劳寿命研究 |
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| 引用本文： | 杨金堂,周诗洋.基于损伤容限设计的冶金桥式起重机疲劳寿命研究[J].武汉冶金科技大学学报,2012(2):113-115. |
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| 作者姓名： | 杨金堂 周诗洋 |
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| 作者单位： | 武汉科技大学机械自动化学院,湖北武汉430081 |
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| 摘 要： | 以180t×24．85m冶金桥式起重机为研究对象，通过无损探伤发现桥架北主梁的下盖板上有裂纹，应用有限元分析和损伤容限设计方：去对起重机裂纹的疲劳寿命进行计算。结果表明，起重机裂纹扩展到临界尺寸需要大约5年的时间。
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| 关 键 词： | 疲劳寿命 冶金桥式起重机 损伤容限设计 |
Research on fatigue life of metallurgical overhead traveling crane based on damage tolerance design |
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| Authors: | Yang Jintang Zhou Shiyang |
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| Affiliation: | (College of Machinery and Automation, Wuhan University of Science and Technology, Wuhan 430081, China) |
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| Abstract: | Taking a 180 t · 24.85m metallurgical crane in a certain steel plant search found a crack at under cover plate of north beam by non-destructive ins ement analysis and damage tolerance design, it calculated the fatigue life of t as the subject, this re- pection. Using finite el- he crane crack. The re- sults show that the crane will need thorough repair in 2015 when the crack reaches critical dimension. |
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| Keywords: | fatigue life metallurgical overhead traveling crane damage tolerance design |
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