噪声与振动控制2017，Vol.37Issue(4)：25-29,5.DOI:10.3969/j.issn.1006-1355.2017.04.006
整体式与分布式双层隔振系统性能对比研究
Comparative Study on the Vibration Isolation Performance between the Entirety Double-layer and Distributed Double-layer Vibration Isolation Systems
摘要
Abstract
In entirety double-layer vibration isolation systems, the intermediate mass block has relatively low rigidity and obvious flexible effect due to the limitation of space, mass and processing accuracy, which will reduce the vibration isolation effect of the systems. Using distributed intermediate-mass is an effective method to solve this problem. In this paper, the model of an asymmetric double-layer vibration isolation system subjected to eccentric excitation forces is built. The vibration isolation efficiencies of the entirety double-layer vibration isolation system and the distributed double-layer vibration isolation system in the same excitation conditions are studied respectively. The results show that the distributed asymmetric double-layer vibration isolation system has a better vibration isolation effect than the entirety asymmetric double-layer vibration isolation system in the high frequency range. And it still has a good isolation effect when its mass ratio is less than that of the entirety double-layer isolation system. This study has a reference significance for engineering application.关键词
振动与波/双层隔振/分布式中间质量/偏心激励/非对称/隔振效果Key words
vibration and wave/double-layer vibration isolation/distributed intermediate mass/eccentric excitation/asymmetric/vibration isolation efficiency分类
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张伟,周相荣,贺华,丁炜..整体式与分布式双层隔振系统性能对比研究[J].噪声与振动控制,2017,37(4):25-29,5.
