Comparative Study on the Vibration Isolation Performance between the Entirety Double-layer and Distributed Double-layer Vibration Isolation Systems

doi:10.3969/j.issn.1006-1355.2017.04.006

›› 2017, Vol. 37 ›› Issue (4): 25-29.DOI: 10.3969/j.issn.1006-1355.2017.04.006

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Comparative Study on the Vibration Isolation Performance between the Entirety Double-layer and Distributed Double-layer Vibration Isolation Systems

Received:2017-01-06 Revised:2017-03-20 Online:2017-08-18 Published:2017-08-18

整体式与分布式双层隔振系统性能对比研究

张伟，周相荣，贺华，丁炜

（上海船舶设备研究所，上海 200031 ）

通讯作者: 张伟

Abstract

摘要：

为改善整体式双层隔振系统中间质量因实际工程空间尺寸、质量以及加工精度限制导致刚性相对弱、质量偏心大和弹性效应明显而引起的隔振效果降低问题，采用中间质量为分布式双层隔振系统是一种处理措施。本文通过偏心激励下的非对称双层隔振系统理论建模，对比研究在同等条件下整体式统和分布式双层隔振系统隔振效果。研究结果表明分布式双层隔振系统在中高频隔振效果明显优于整体式双层隔振系统，且在小于整体式质量比时仍能获得相当的隔振效果，对工程应用具有一定指导价值。

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

CLC Number:

TH113.1

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.

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Comparative Study on the Vibration Isolation Performance between the Entirety Double-layer and Distributed Double-layer Vibration Isolation Systems

整体式与分布式双层隔振系统性能对比研究

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