| 300t造船龙门起重机结构动力特性分析 |
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| 引用本文： | 李菁,靳慧,丁克勤. 300t造船龙门起重机结构动力特性分析[J]. 武汉理工大学学报, 2010, 0(6) |
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| 作者姓名： | 李菁 靳慧 丁克勤 |
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| 作者单位： | 东南大学混凝土及预应力混凝土结构教育部重点实验室;国家质量监督检验检疫总局中国特种设备检测研究院; |
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| 基金项目： | “十一五”国家科技支撑计划项目04课题(2006BAKAB02-04); 国家质检总局科技计划项目(2008QK110) |
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| 摘 要： | 针对300 t造船龙门起重机的实际工作情况,进行了起重机动力特性的研究。以有限元软件ANSYS为基础平台,通过对结构的模态分析,得到了起重机的自振频率和振型。通过数值模拟不同工况的起吊过程,进行了起重机的应力和位移分析。结果表明:柔性支腿和主梁的连接部位是整体的薄弱环节,2种工况下主梁最大挠度均发生在距柔性支腿约1/4处位置。
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| 关 键 词： | 龙门起重机 有限元 模态和瞬态分析 |
Analysis of Dynamic Characteristic for 300 t Shipbuilding Gantry Crane's Structure |
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| LI Jing,JIN Hui,DING Ke-qin. Analysis of Dynamic Characteristic for 300 t Shipbuilding Gantry Crane's Structure[J]. Journal of Wuhan University of Technology, 2010, 0(6) |
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| Authors: | LI Jing JIN Hui DING Ke-qin |
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| Affiliation: | LI Jing1,JIN Hui1,DING Ke-qin2(1.Key Laboratory of Concrete , Prestressed Concrete Structure of the Ministry of Education,Southeast University,Nanjing 210096,China,2.China Special Equipment Inspection , Research Institute,General Administration of Quality Supervision,Inspection , Quarantine of the people's Republic of China,Beijing 100013,China) |
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| Abstract: | According to the actual working status of 300 t shipbuilding gantry crane,a research of dynamic characteristic for the crane was carried out.Using finite element software ANSYS for the basic platform,natural frequency and vibration mode were obtained from modal analysis of the structure.By numerical simulation of lifting process under different working conditions,the analysis of stress and displacement were conducted.The results show that connection part between the flexible outrigger and main girder was th... |
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| Keywords: | gantry crane finite element the analysis of modal and transient |
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