| Design and Strength Analysis of A Spherical Connector for Lifting Subsystem in Deep Sea Mining System |
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| 引用本文： | 冯雅丽 张文明 冯福璋. Design and Strength Analysis of A Spherical Connector for Lifting Subsystem in Deep Sea Mining System[J]. 中国海洋工程, 2006, 20(4): 605-613 |
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| 作者姓名： | 冯雅丽 张文明 冯福璋 |
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| 作者单位： | School of Civil and Environmental Engineering University of Science and Technology Beijing，School of Civil and Environmental Engineering University of Science and Technology Beijing，School of Civil and Environmental Engineering University of Science and Technology Beijing，Beijing 100083 China Beijing 100083 China Beijing 100083 China |
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| 基金项目： | This research was financially supported by China 0cean Mineral Resources R ＆ D Association （Grant No. DY105- 03-02-17）. |
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| 摘 要： | 1 .IntroductionThe lifting systemis composed of pipes andtheir connectors .It is not onlythe lifting channel formanganese nodule betweenthe miningship andintermediate bin,but alsothe supporting massfor deepsea miningequipment and cables .Sothe reliability…
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| 关 键 词： | 深海开采系统 提升子系统 球形接头 管接头 设计 强度分析 |
| 收稿时间： | 2006-04-24 |
| 修稿时间： | 2006-10-08 |
Design and Strength Analysis of A Spherical Connector for Lifting Subsystem in Deep Sea Mining System |
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| FENG Ya-li,ZHANG Wen-ming,FENG Fu-zhang. Design and Strength Analysis of A Spherical Connector for Lifting Subsystem in Deep Sea Mining System[J]. China Ocean Engineering, 2006, 20(4): 605-613 |
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| Authors: | FENG Ya-li ZHANG Wen-ming FENG Fu-zhang |
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| Abstract: | A flexible connector of lifting pipes in a deep sea mining system is designed. The buttress thread (based on API standard) is used and foreign experience in connector design is referred to. With this kind of connector, the lifting pipe will only bear the axial force, free of moment. The strength of the connector is analyzed in detail, including the connecting strength of the buttress thread, the dynamic load of the pipe system, pressures inside and outside of the pipe, the lateral stress of the pipe wall and so on. Especially, a geometric model is built for 3-D contact stress analysis. The distribution graph of contact stress is presented. It is indicated that the strength of the spherical connector meets the demand. |
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| Keywords: | pipe joint lifting pipe contact stress spherical joint buttress thread deep sea mining |
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