新型非线性低频被动隔振系统设计及实验研究

彭超;龚兴龙;宗路航;郭朝阳;严启凡;周鸿

振动与冲击 ›› 2013, Vol. 32 ›› Issue (3) : 6-11.

PDF(3219 KB)
PDF(3219 KB)
振动与冲击 ›› 2013, Vol. 32 ›› Issue (3) : 6-11.
论文

新型非线性低频被动隔振系统设计及实验研究

  • 彭超,龚兴龙,宗路航,郭朝阳,严启凡,周鸿
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Design and experimental study on a new type nonlinear low frequency passive isolation system

  • PENG Chao, GONG Xing-long, Zong Lu-huang, GUO Chao-yang, ZHOU Hong, YAN Qi-fan
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摘要

研制一种新型非线性低频被动隔振系统,由三个特定形状的片弹簧对称分布构成,具有较高静承载力和较低的动态刚度,可以显著的降低了系统的起止隔振频率;通过隔振系统弹性元件的一维无量纲模型,分析了其非线性行为,且对隔振器的力学特性进行了实验研究;建立了一个两自由度的隔振实验平台,在实验平台上对隔振系统进行了隔振性能研究,结果显示该隔振系统的隔振效果明显。

Abstract

A new nonlinear low frequency isolator is designed, which consists of three symmetrical and special shapes of spring laminations. It can bear high static load and have low dynamic stiffness, and can reduce the starting isolation frequency of the system. Its nonlinear dynamic property is studied through one-dimensional model and is tested by experimental setup. A two-degree of freedom vibration isolation platform is built and the vibration isolation testing is made, which shows the isolator has good effect.

关键词

隔振 / 低频 / 非线性 / 振动传递率

Key words

vibration isolation / low frequency / nonlinear / vibration transmission

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彭超;龚兴龙;宗路航;郭朝阳;严启凡;周鸿. 新型非线性低频被动隔振系统设计及实验研究[J]. 振动与冲击, 2013, 32(3): 6-11
PENG Chao;GONG Xing-long;Zong Lu-huang;GUO Chao-yang;ZHOU Hong;YAN Qi-fan. Design and experimental study on a new type nonlinear low frequency passive isolation system[J]. Journal of Vibration and Shock, 2013, 32(3): 6-11

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