张力弦-永磁动力吸振器理论及试验研究

doi:10.12068/j.issn.1005-3026.2018.06.013

东北大学学报:自然科学版 ›› 2018, Vol. 39 ›› Issue (6): 823-827.DOI: 10.12068/j.issn.1005-3026.2018.06.013

张力弦-永磁动力吸振器理论及试验研究

姚红良，高英华，李文龙，闻邦椿

(东北大学机械工程与自动化学院，辽宁沈阳110819)

收稿日期:2017-02-26 修回日期:2017-02-26 出版日期:2018-06-15 发布日期:2018-06-22
通讯作者: 姚红良
作者简介:姚红良 (1979-)，男，河北唐县人，东北大学副教授；闻邦椿(1930-)，浙江温岭人，东北大学教授，博士生导师，中国科学院院士.冯明杰(1971-)，男，河南禹州人，东北大学副教授; 王恩刚(1962-)，男，辽宁沈阳人，东北大学教授，博士生导师.
基金资助:
国家重点基础研究发展计划项目(2012CB026006)；国家自然科学基金资助项目(51475085).国家自然科学基金资助项目(51171041).

Theoretical and Experimental Study of the Tension String-Permanent Magnet Dynamic Vibration Absorber

YAO Hong-liang， GAO Ying-hua， LI Wen-long， WEN Bang-chun

1. School of Mechanical Engineering & Automation， Northeastern University， Shenyang 110819， China.

Received:2017-02-26 Revised:2017-02-26 Online:2018-06-15 Published:2018-06-22
Contact: YAO Hong-liang
About author:-
Supported by:
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摘要/Abstract

摘要： 为了实现转子系统振动抑制，设计了一种适用于旋转机械的张力弦-永磁刚度动力吸振器.利用张力弦结构的拉力-刚度可调特性，实现吸振器的频率可调;又引入永久磁铁构成的刚度机构，使得吸振器整体结构与转子系统相互分离.对转子-动力吸振器系统进行动力学建模和仿真分析，研究了吸振器的工作特性，又进行试验研究证明理论研究的正确性.研究结果表明，该吸振器可以达到转子系统振动抑制的效果，在永磁刚度机构磁铁间距小时吸振器效果好且更加稳定.

关键词: 动力吸振, 张力弦, 永久磁铁, 振动抑制, 旋转机械

Abstract: In order to eliminate the vibration of the rotor system， a tension string-permanent magnet dynamic vibration absorber is designed for the rotating machinery. The frequency adjustability of the vibration absorber is realized by using the adjustable tension-stiffness feature of the tension string， and the structure of the vibration absorber is separated from the rotor system by a stiffness institution which is made with permanent magnets. In this paper， the dynamical model and the simulation analysis of the rotor-dynamic vibration absorber is built，the operating characteristic of the vibration absorber is studied， and the correctness of the theoretical research is proved by the experimental study. The results proved that the vibration absorber has good effect on eliminating the vibration of the rotor system， and the absorbing function becomes better and more stable as the inter-distance of the magnets is set closer.

Key words: dynamic vibration absorber, tension string, permanent magnet, vibration suppression, rotating machinery

中图分类号:

TH113

姚红良，高英华，李文龙，闻邦椿. 张力弦-永磁动力吸振器理论及试验研究[J]. 东北大学学报:自然科学版, 2018, 39(6): 823-827.

YAO Hong-liang， GAO Ying-hua， LI Wen-long， WEN Bang-chun. Theoretical and Experimental Study of the Tension String-Permanent Magnet Dynamic Vibration Absorber[J]. Journal of Northeastern University Natural Science, 2018, 39(6): 823-827.

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张力弦-永磁动力吸振器理论及试验研究

Theoretical and Experimental Study of the Tension String-Permanent Magnet Dynamic Vibration Absorber

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