轮齿修形对兆瓦级风电齿轮箱NVH性能的影响

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振动与冲击 ›› 2016, Vol. 35 ›› Issue (24) : 158-163.

论文

刘华朝1 ，朱才朝1 ，柏厚义2

作者信息 +

The effect of gear modification on the NVH characteristics of a megawatt level wind turbine gearbox

LIU Hua-chao1, ZHU Cai-chao1,BAI Hou-yi2

Author information +

文章历史 +

摘要

随着风电齿轮箱技术的快速发展，对动态性能要求越来越高，NVH分析技术对减小风电齿轮箱振动噪声有着重要意义。论文根据某兆瓦级风电齿轮箱传动原理和基本结构特点，考虑行星架、箱体等结构的柔性，通过结合部节点将结构系统与传动系统连接起来，建立风电齿轮箱系统耦合分析模型。基于载荷谱对各级齿轮副进行修形，对比分析修形前后风电齿轮箱的NVH性能，表明修形后齿轮箱的振动加速度幅值、噪声均有一定程度的减小，为风电齿轮箱的NVH优化提供了依据。

Abstract

With the technology of wind turbine gearbox developing rapidly, more and more requirements for good dynamic characteristics are needed, the NVH analysis technology are important in reducing vibration noise of wind turbine gearbox. According to the principle of a megawatt wind turbine gearbox and the characteristics of the structure, considering the influence of the flexibility of structural components such as the carrier and gearbox to NVH characteristics, connecting the structure system with transmission system by the nodes of combination, NVH analysis model is established. Gear modification is done on all load conditions of spectrum in every stage, and NVH characteristics before and after gear modifying are analysed, which shows that the amplitude of vibration acceleration and structural noise of the wind turbine gearbox reduce after gear modification. The research provides basis for NVH characteristics optimization.

导出引用

刘华朝1,朱才朝1,柏厚义2. 轮齿修形对兆瓦级风电齿轮箱NVH性能的影响[J]. 振动与冲击, 2016, 35(24): 158-163

LIU Hua-chao1, ZHU Cai-chao1,BAI Hou-yi2. The effect of gear modification on the NVH characteristics of a megawatt level wind turbine gearbox[J]. Journal of Vibration and Shock, 2016, 35(24): 158-163

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