船舶推进轴系振动与校中关键技术

Key Techniques of Ship Propulsion Shafting Vibration and Alignment

针对齿轮啮合传动、万向联轴器传动等对推进轴系扭转振动的影响,建立复杂轴系耦合振动计算模型及混合动力系统轴系振动模型,提出推进轴系振动系统解决方案;通过大型船舶推进轴系弹性校中机理及计算方法的研究,得到船体变形、艉轴承支点位置及油膜刚度等对轴系合理校中影响的变化规律,开发轴系振动与校中集成计算分析软件,有效地解决了轴系设计与安装中振动计算分析与校中问题。在理论研究的基础上,开展了推进轴系振动测试及校中检验等试验方法研究,开发了能满足轴系振动与校中等综合测试与监测的仪器。

The influence of gear meshing transmission and universal coupling on the torsional vibration of shafting is studied.The calculation model of complex shafting coupled vibration and the vibration model of hybrid system are established. The solution of propulsion shafting vibration system is put forward. The stern position and oil film stiffness on the fulcrum bearing variation optimization rational shafting alignment is obtained. The calculation software of shafting vibration and shafting alignment is developed. On the basis of theoretical research,the test method of propulsion shafting vibration test and alignment test is carried out.Test instrument of the shafting vibration and alignment are developed,which provides a powerful technical support for the engineering application of the theoretical analysis.