基于高隔振指标要求的船舶泵组区域隔振模块设计研究

Design of Regional Vibration Isolation Module of Ship Pump Set Based on High Vibration Isolation Requirements

为满足某静音型船舶对于机舱泵组的隔振指标及布置空间的高要求,该文利用区域隔振模块设备间布置紧凑、空间利用率高、隔振效果好等优点,开展该船机舱泵组区域隔振模块的设计研究。从区域隔振模块总体布置、有限元建模、中间筏架模态分析、模块模态分析、模块静力学分析、模块谐响应分析等方面入手,建立了高隔振性能区域隔振模块的设计计算分析流程,完成了该型区域隔振模块的设计及隔振指标计算评估,并对其隔振性能进行测试。结果表明,该型区域隔振模块的隔振性能可满足此类静音型船舶对于机舱泵组高隔振指标的设计要求。

In order to meet the high requirements of vibration isolation index and layout of the engine room pump set for a quiet ship,the design of the regional vibration module of the engine room pump set of the ship is studied by utilizing the advantages of compact equipment layout,high space utilization and good vibration isolation effect of the regional vibration isolation module.A design calculation and analysis process for the regional vibration isolation module with high vibration isolation performance is established from the aspects of the general arrangement of the regional vibration isolation module,finite element modeling,modal analysis of the middle raft,module modal analysis,module static analysis and module harmonic response analysis.The design of this type of regional vibration isolation module and the calculation and evaluation of vibration isolation index have been completed,and its vibration isolation performance has been tested.The results show that the vibration isolation performance of this type of regional isolation module can meet the design requirements of the high vibration isolation index of the engine room pump set for the quiet ship.