| 1.5T MRI超导磁体低温容器的拉杆设计与校核 |
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| 引用本文： | 黄礼凯,王秋良,赵保志,王晖,李兰凯,李毅.1.5T MRI超导磁体低温容器的拉杆设计与校核[J].低温与超导,2011,39(5):22-27. |
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| 作者姓名： | 黄礼凯 王秋良 赵保志 王晖 李兰凯 李毅 |
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| 作者单位： | 黄礼凯,Huang Likai(中国科学院电工研究所,北京1001902;中国科学院研究生院,北京100190);王秋良,赵保志,王晖,李兰凯,李毅,Wang Qiuliang,Wang Hui,Zhao Baozhi,Li Lankai,Li Yi(中国科学院电工研究所,北京,1001902) |
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| 摘 要： | 1.5T MRI磁体系统冷重约为4吨,为提高该系统稳定性,采用环氧跑道拉杆结构.分析了磁体正常运行时拉杆上承受的重力、冷缩力,运输过程中的动载力,以及拉杆安装过程中施加的预紧力.在分析的基础上,对拉杆的材料、安装角度进行了选取,并结合漏热对横截面积进行了优化.
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| 关 键 词： | 拉杆 低温容器 应力分析 磁磁共振 |
Design of the cold mass support rod for a 1.5T superconducting magnet |
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| Huang Likai,Wang Qiuliang,Wang Hui,Zhao Baozhi,Li Lankai,Li Yi.Design of the cold mass support rod for a 1.5T superconducting magnet[J].Cryogenics and Superconductivity,2011,39(5):22-27. |
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| Authors: | Huang Likai Wang Qiuliang Wang Hui Zhao Baozhi Li Lankai Li Yi |
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| Institution: | Huang Likai1,2,Wang Qiuliang1,Wang Hui1,Zhao Baozhi1,Li Lankai1,Li Yi1(1.Key Laboratory of Applied Superconductivity,Institute of Electrical Engineering,Chinese Academy of Sciences,Beijing 100190,China,2.Graduate School of the Chinese Academy of Sciences,China) |
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| Abstract: | Rods are used to support the cold mass in the 1.5T superconducting magnet system.The support rods must withstand the forces put on the magnet during transport or an impact as well as when the magnet is normally operated.The rods should be strong enough to carry the cold mass.But large area will bring more heat leak for the supports.This report analysed the forces on the rods,found the minimum area that met the needs. |
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| Keywords: | Cold mass support Rod Cryogenic vessel MRI |
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