变工况下风电齿轮箱轴承动力学特性研究  

Dynamic Characteristics of Wind Turbine Gearbox Bearing Under Variable Conditions

作　　者：王永杰 燕敬祥 齐晓野 谢芳杰 温保岗 Yong-jie Wang;Jing-xiang Yan;Xiao-ye Qi;Fang-jie Xie;Bao-gang Wen(College of Mechanical Engineering and Automation,Dalian Polytechnic University;Shandong KMR Science and Technology Co.,Ltd.;School of Mechanical Engineering,Dalian University of Technology)

机构地区：[1]大连工业大学机械工程与自动化学院 [2]山东凯美瑞轴承科技有限公司 [3]大连理工大学机械学院

出　　处：《风机技术》2023年第4期49-54,共6页Chinese Journal of Turbomachinery

基　　金：辽宁省教育厅面上基金(LJKZ0536);辽宁省自然科学基金(2023-MS-280);山东省中小型企业创新能力提升(2021TSGC1328)。

摘　　要：轴承是风电机组齿轮箱的核心零部件,具有高转速、且转速和载荷随风速不断变化的特点,这些特点影响着轴承的动力学特性。本文针对风速变化引起的风电齿轮箱轴承动力学问题,建立了考虑轴承刚柔耦合的动力学模型,开展了变工况下轴承动力学特性研究,获得变速、变载条件下轴承保持架运动、应力等动态性能的变化规律。结果表明:转速和载荷的波动均会影响轴承保持架应力状态及其位移;转速和载荷的突然波动使保持架应力和位移增加。本文的研究为风电齿轮箱轴承动力学特性研究提供了数据支持。Bearings is a key component of wind turbine gearbox which has high speed characteristic,and its speed and load change with the variation of wind speed.These characteristic affect the dynamics characteristic of bearing.A rigid-flexible coupling bearing dynamic model is established to study the dynamic problems which caused by the wind speed variation.The change rules of cage motion and stress of bearing under the variation speed and load are obtained.The results indicate that fluctuations of rotate speed and load can increase the stress and displacement of the bearing cage.This study provides data support for the dynamic characteristics research of wind turbine gearbox bearings.

关 键 词：风电机组 齿轮箱轴承 变速 变载 保持架运动 保持架应力 

分 类 号：TK83[动力工程及工程热物理—流体机械及工程]