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中车山东风电有限公司, 山东 济南 250104
宋克伟(1992— ),男,山东枣庄人,硕士研究生,工程师;主要研究方向为风电机组零部件设计与分析;songkeweizbsy1105@163.com。
纸质出版日期:2023-11-15,
收稿日期:2022-09-06,
修回日期:2022-10-25,
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宋克伟,陈孝旭,刘祥银等.基于非线性接触的风电机组主轴疲劳强度影响因素研究[J].机械传动,2023,47(11):30-36.
Song Kewei,Chen Xiaoxu,Liu Xiangyin,et al.Research on Influencing Factors of Fatigue Strength of Wind Turbine Spindles Based on Nonlinear Contact[J].Journal of Mechanical Transmission,2023,47(11):30-36.
宋克伟,陈孝旭,刘祥银等.基于非线性接触的风电机组主轴疲劳强度影响因素研究[J].机械传动,2023,47(11):30-36. DOI: 10.16578/j.issn.1004.2539.2023.11.005.
Song Kewei,Chen Xiaoxu,Liu Xiangyin,et al.Research on Influencing Factors of Fatigue Strength of Wind Turbine Spindles Based on Nonlinear Contact[J].Journal of Mechanical Transmission,2023,47(11):30-36. DOI: 10.16578/j.issn.1004.2539.2023.11.005.
为了更合理地模拟风力发电机组主轴的受力及传力特点,找出主轴疲劳强度影响因素,运用非线性接触单元模拟主轴承滚子,正确模拟主轴承的调心作用,建立了某型风电机组主轴与主轴承内圈过盈接触模型;结合等效时序载荷谱以及Miner疲劳损伤准则,研究分析了主轴-轴承内圈过盈量大小、主轴内孔大小、表面粗糙度、接触面摩擦因数和材料抗拉、屈服强度等对主轴疲劳强度性能的影响。研究结果对工程实际和生产具有一定的指导意义,同时为主轴的进一步轻量化设计奠定基础。
In order to more reasonably simulate the force and force transmission characteristics of the main shaft of a wind turbine
and to find out the influencing factors of the fatigue strength of the main shaft
the nonlinear contact element is used to simulate the roller of the main bearing and correctly simulate the self-aligning effect of the main bearing. The interference contact model between the main shaft and the inner ring of the main bearing of a wind turbine is established. Based on the equivalent time series load spectrum and Miner's fatigue damage criterion
the effects of the size of the interference between the inner ring of the main shaft and the main-bearing
the size of the inner bore of the spindle
the surface roughness
the friction coefficient of the contact surface and the tensile and yield strength of the material on the fatigue strength properties of the spindle are studied and analyzed. The research results have certain guiding significance for engineering practice and production
and lay a foundation for further lightweight design of spindles.
风电机组主轴非线性接触疲劳强度
Wind turbineMain shaftNonlinear contactFatigue strength
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