| 弧形螺旋弹簧弹性特性分析方法研究 |
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| 引用本文： | 陈涛,吕振华,苏成谦.弧形螺旋弹簧弹性特性分析方法研究[J].中国机械工程,2006,17(5):493-495. |
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| 作者姓名： | 陈涛 吕振华 苏成谦 |
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| 作者单位： | 清华大学汽车安全与节能国家重点实验室,北京,100084 |
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| 摘 要： | 采用离散化分析方法，推导出弧形螺旋弹簧弹性特性的解析表达式，分析了扭振减振器转速对弧形螺旋弹簧弹性特性的影响，结果表明其刚度是随转速升高而增大的。通过与实验结果对比，验证了理论分析结果，进一步对弧形螺旋弹簧的非线性弹性特性进行了分析，并从工程应用角度进行了简化讨论。
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| 关 键 词： | 弧形螺旋弹簧 扭振减振器 动力传动系 扭转振动 |
| 文章编号： | 1004-132X（2006）05-0493-03 |
| 收稿时间： | 2004-12-13 |
| 修稿时间： | 2004-12-13 |
Analysis Method for Elastic Characteristics of Arc Spring |
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| Chen Tao,Lu Zhenhua,Su Chengqian.Analysis Method for Elastic Characteristics of Arc Spring[J].China Mechanical Engineering,2006,17(5):493-495. |
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| Authors: | Chen Tao Lu Zhenhua Su Chengqian |
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| Affiliation: | State Key Laboratory of Automotive Safety and Energy, Tsinghua University,Beijing, 100084 |
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| Abstract: | Arc spring is the key component for Dual Mass Flywheel-Circumferential Spring(DMF-CS) torsional damper,which has been effectively applied in automotive driveline.However,the analysis and design methods for elastic characteristics of arc springs have not been well established yet.The problem is studied,and a set of analytical formulae are derived through an approach of discretization of arc spring.A numerical result is presented and well correlated with experimental result.The influence of rotation speed of DMF-CS torsional damper to the elastic characteristics is also investigated,and the stiffness increase with the speed is illustrated.In addition,other issues including elastic non-linearity of arc springs and the formula simplification are discussed for applications in engineering.The research is of basic importance to the design of DMF-CS torsional damper. |
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| Keywords: | are spring torsional damper automotive driveline torsional vibration |
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