Influence of Arrangement of Isolator on the Vibration Transmission Characteristic of Marine Gear System

Yafeng Ren; Geng Liu; Haiwei Wang; Wenbo Xu

doi:10.16578/j.issn.1004.2539.2021.07.003

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Influence of Arrangement of Isolator on the Vibration Transmission Characteristic of Marine Gear System

Theory·Reserach | 更新时间：2022-11-10

- Influence of Arrangement of Isolator on the Vibration Transmission Characteristic of Marine Gear System
- Journal of Mechanical Transmission Vol. 45, Issue 7, Pages: 18-23(2021)
- 作者机构：
  
  1.太原科技大学机械工程学院，山西太原 030024
  2.西北工业大学陕西省机电传动与控制工程实验室，陕西西安 710072
  3.郑州机械研究所有限公司，河南郑州 450052
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.07.003
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任亚峰,刘更,王海伟等.隔振器布置方式对船舶齿轮系统振动传递特性的影响[J].机械传动,2021,45(07):18-23.

Ren Yafeng,Liu Geng,Wang Haiwei,et al.Influence of Arrangement of Isolator on the Vibration Transmission Characteristic of Marine Gear System[J].Journal of Mechanical Transmission,2021,45(07):18-23.
任亚峰,刘更,王海伟等.隔振器布置方式对船舶齿轮系统振动传递特性的影响[J].机械传动,2021,45(07):18-23. DOI： 10.16578/j.issn.1004.2539.2021.07.003.

Ren Yafeng,Liu Geng,Wang Haiwei,et al.Influence of Arrangement of Isolator on the Vibration Transmission Characteristic of Marine Gear System[J].Journal of Mechanical Transmission,2021,45(07):18-23. DOI： 10.16578/j.issn.1004.2539.2021.07.003.

摘要

为了研究船舶齿轮减速器隔振器布置方式对基础振动的影响，以单层隔振的齿轮传动装置为例，建立了齿轮、轴、轴承、箱体、隔振器及基础的柔性阻抗模型，并通过阻抗综合法建立了系统的耦合阻抗模型；研究了隔振器的跨距、非对称性以及数量对隔振的影响。结果表明，轻微减小隔振器跨距有利于隔振；隔振器对称布置并不是最优的减振方案；隔振器数量增加不一定总会增大振动；隔振分析时不能忽略箱体及基础的肋板特征。

Abstract

In order to study the influence of isolator arrangement on the vibration of the foundation in a marine gearbox，a gear system with single-stage isolation is taken as an example. The impedance model of gear pair，shaft，bearing，housing，isolator，and foundation is constituted considering the flexibility of subsystems，and the impedance synthesis approach is adopted to constitute the coupled impedance model. The influence of the span，non-symmetric arrangement，and number of isolator on the vibration isolation is studied. Results show that，slightly decrease the span of isolators is beneficial to vibration isolation，the symmetric arrangement of isolators is not the optimal scheme to reduce vibration，increasing the number of isolator does not always increase vibration，and the rib feature of housing and foundation cannot be ignored in the vibration isolation analysis.

关键词

船舶减速器阻抗综合法耦合振动柔性安装隔振器布置

Keywords

Marine gearboxImpedance synthesis methodCoupled vibrationFlexible installationIsolator arrangement

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