| 摘要:介绍了一种簧片滑油型扭振减振器设计方法。首先使用简化模型通过动力吸振理论的最佳定调比和最佳阻尼比针对轴系扭振最主要谐次进行控制，初步确定减振器的减振特性参数；再使用详细模型通过轴系扭振计算进一步调整特性参数，使扭振控制效果达到最优。然后根据参数设计结果开展结构设计，主要介绍了扭转刚度和阻尼系数两个特性参数相关的结构设计方法。最后进行设计检验。将该方法应用到HND 622V20CR柴油机的减振器设计中，显示:所设计的簧片滑油型扭振减振器与原扭振减振器相比减振效果优势明显。 |
| 关键词: 柴油机 扭转振动 簧片滑油型减振器 设计 |
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| The Design Method and its Validation of Leaf Springand Lubricating Oil Dampers for Torsional Vibration Reduction |
| Jiang Xiaoying,Chen Peng,Zhou Wenjian |
| Shanghai Marine Diesel Engine Research Institute, Shanghai 200090 |
| Abstract:A leaf spring and lubricating oil damper design method is introduced. Firstly, the most important order of the shafts torsional vibration is controlled by using simplified model through optimal frequency ration and optimal damping ratio in dynamic vibration absorbing theory, which could determine the vibration-reduction parameters preliminarily. Then, the characteristic parameters are further adjusted through the calculation of shafts torsional vibration by using detailed model, with the aim to realize optimal vibration control. After that, the structure design is carried out based on the parameters design results, and the structure design method about the two characteristic parameters, torsional stiffness and damping coefficient, is introduced mainly. The design verification was conducted at last. This method was applied to the damper design of HND 622V20CR diesel, and the results show that the leaf spring and lubricating oil damper boasts much better vibration reduction effect then the original one. |
| Key words: diesel engine torsional vibration leaf spring and lubricating oil damper design |
