| 大型船用齿轮箱的模态分析及结构优化 |
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| 引用本文： | 林雪妹,童水光,童小红,李华斌,戴宏长,黄继平.大型船用齿轮箱的模态分析及结构优化[J].机械设计与制造,2011(11). |
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| 作者姓名： | 林雪妹 童水光 童小红 李华斌 戴宏长 黄继平 |
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| 作者单位： | 1. 浙江大学能源工程学系,杭州,310027
2. 杭州前进齿轮箱集团股份有限公司,杭州,310021 |
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| 基金项目： | 浙江省科技厅重大专项项目(2009C11062) |
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| 摘 要： | 针对某型号大功率船用齿轮箱体的工作特性,基于NX平台建立了齿轮箱体的有限元分析(finite element analysis,FEA)模型,完成了船用齿轮箱体的固有频率和相应各阶模态振型的数值计算,并分析模态振型对箱体性能的影响,在保证不产生干涉的前提下,对箱体增设了加强筋结构,使得箱体刚度进行合理分配和平衡,达到箱体结构优化的效果。结果表明优化后的箱体总体刚度大大提高,振动明显降低,齿轮箱体的综合质量及工作稳定性得到提高。
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| 关 键 词： | 船用齿轮箱 有限元分析 模态分析 结构优化 |
Modal analysis and structural optimization of heavy duty marine gearbox |
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| LIN Xue-mei,TONG Shui-guang,TONG Xiao-hong,LI Hua-bin,DAI Hong-chang,HUANG Ji-ping.Modal analysis and structural optimization of heavy duty marine gearbox[J].Machinery Design & Manufacture,2011(11). |
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| Authors: | LIN Xue-mei TONG Shui-guang TONG Xiao-hong LI Hua-bin DAI Hong-chang HUANG Ji-ping |
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| Affiliation: | LIN Xue-mei1,TONG Shui-guang1,TONG Xiao-hong2,LI Hua-bin2,DAI Hong-chang2,HUANG Ji-ping2(1Department of Energy Engineering,Zhejiang University,Hangzhou 310027,China)(2Hangzhou Advance Gearbox Group Co.,Ltd,Hangzhou 310021,China) |
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| Abstract: | Aiming at performance characteristics of one type of heavy duty marine gearbox,a finite element analysis model for the gear box was built based on NX platform and numerical calculation for the natural frequencies and the corresponding vibration modes of the gear box were completed.At the same time the influence of vibration mode of gearbox upon the performance of the gearbox was analyzed.Reinforcing rib structure was added to the gearbox in the premier of safeguarding no interference occurence,which may rat... |
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| Keywords: | Marine gearbox Finite element analysis Modal analysis Structural optimization |
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