减振器动刚度特性研究

doi:10.3969/j.issn.1000-1093.2017.11.026

兵工学报 ›› 2017, Vol. 38 ›› Issue (11): 2274-2279.doi: 10.3969/j.issn.1000-1093.2017.11.026

减振器动刚度特性研究

李世尧，张卫国，侯军占，段文博，迟圣威，郭冰涛

（西安应用光学研究所，陕西西安 710065）

收稿日期:2017-04-20 修回日期:2017-04-20 上线日期:2018-01-03
通讯作者: 张卫国（1975—），男，研究员，硕士生导师 E-mail:zzwwgg1975@163.com
作者简介:李世尧（1991—），男，硕士研究生。E-mail:lsyyywd@163.com
基金资助:
国家国防科技工业局技术基础科研项目(A0920132001)；兵器“十二五”预先研究基金项目(62201070139)；高等院校协同创新合作专项项目(KH201504)

Research on Dynamic Stiffness of Vibration Isolator

LI Shi-yao, ZHANG Wei-guo, HOU Jun-zhan, DUAN Wen-bo, CHI Sheng-wei, GUO Bing-tao

(Xi'an Institute of Applied Optics, Xi'an 710065, Shaanxi, China)

Received:2017-04-20 Revised:2017-04-20 Online:2018-01-03

摘要/Abstract

摘要： 动刚度特性是减振器设计及选型的重要指标，通过改变减振器刚度和阻尼，使系统避开共振区间，以发挥减振器最佳减振效果是目前的研究重点。针对目前减振器动刚度特性研究较少的情况，提出一种减振器的动刚度计算方法。通过静力实验获取加载和卸载的变形-力曲线，拟合得出减振器静刚度值；根据静刚度值和单自由度系统动刚度计算公式获得动刚度随频率变化规律；设计减振器动刚度验证实验。研究结果表明：该动刚度计算结果和实验结果吻合情况较好，误差平均值在6%以内，可为实际工程的减振器选型及应用提供参考。

关键词: 机械学, 静刚度, 动刚度, 橡胶减振器, 钢丝绳减振器

Abstract: Dynamic stiffness is a crucial characteristic of vibration isolator. A method to calculate the dynamic stiffness of vibration isolator is proposed. The static stiffness is concluded from the experimental deformation-force curve. Dynamic stiffness is calculated by using single degree of freedom (SDOF) dynamic stiffness formula. An experiment is designed to verify the calculated results. Experimental results show that the deviation between calculated result and the experimental result is within 6%. The proposed method is effective and applicable for dynamic analysis of vibration isolators. Key

Key words: mechanics, staticstiffness, dynamicstiffness, rubberisolator, steelwireropeisolator

中图分类号:

O328

李世尧，张卫国，侯军占，段文博，迟圣威，郭冰涛. 减振器动刚度特性研究[J]. 兵工学报, 2017, 38(11): 2274-2279.

LI Shi-yao, ZHANG Wei-guo, HOU Jun-zhan, DUAN Wen-bo, CHI Sheng-wei, GUO Bing-tao. Research on Dynamic Stiffness of Vibration Isolator[J]. Acta Armamentarii, 2017, 38(11): 2274-2279.

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减振器动刚度特性研究

Research on Dynamic Stiffness of Vibration Isolator

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