| 500t深水沉船打捞抓斗的研究 |
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| 引用本文： | 王悦民,童民慧,张玉芹,仝瑞国,高翔.500t深水沉船打捞抓斗的研究[J].起重运输机械,2011(8):11-17. |
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| 作者姓名： | 王悦民 童民慧 张玉芹 仝瑞国 高翔 |
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| 作者单位： | 上海海事大学物流工程学院,上海,200135 |
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| 摘 要： | 介绍了500 t大型深水打捞抓斗的结构组成和工作工况,结合打捞抓斗特殊的工作环境,建立起抓斗受力的数学模型,分析了抓斗的挖掘机理和刃口切入力。运用有限元软件Ansys,建立了抓斗结构的有限元分析模型。运用有限元软件对抓斗结构进行分析,并运用LS-DYNA分析了打捞抓斗穿透船体钢板的过程,解决抓斗研制过程中所遇到的问题,可用于抓斗的设计参考。
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| 关 键 词： | 打捞抓斗 长撑杆式 有限元分析 穿透 LS-DYNA |
Research on 500 t salvage grab for sunken ship in deep water |
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| Wang Yuemin,Tong Minhui,Zhang Yuqin,Tong Ruiguo,GaoXiang.Research on 500 t salvage grab for sunken ship in deep water[J].Hoisting and Conveying Machinery,2011(8):11-17. |
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| Authors: | Wang Yuemin Tong Minhui Zhang Yuqin Tong Ruiguo GaoXiang |
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| Affiliation: | Wang Yuemin,Tong Minhui,Zhang Yuqin,Tong Ruiguo,GaoXiang |
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| Abstract: | The paper introduces the structural composition and working condition of the 500 t large deepwater salvage grab,establishes the mathematical model of grab force combining the special operation environment of salvage grab,and analyzes the excavation mechanism and edge cut force of the grab.With the finite element software Ansys,the paper builds the finite element analysis model of the grab and analyzes the grab structure.Also,LS-DYNA is applied to analyze the process of the salvage grab penetrating the hull ... |
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| Keywords: | salvage grab long-rod type finite element analysis penetration LS-DYNA |
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