在役风力发电机组变桨轴承高黏润滑油脂附着状态下阵列涡流检测  

Array eddy current testing of pitch bearings for in-service wind turbines with high viscosity lubricating grease adhesion

作　　者：张福祥 侯召堂[1] 孟永乐[1] 殷尊[1] 吕一楠[1] 孙璞杰 张国辉 虞学鹏 杨立平 刘涛 常毅君 蒋金忠 ZHANG Fuxiang;HOU Zhaotang;MENG Yongle;YIN Zun;LYU Yinan;SUN Pujie;ZHANG Guohui;YU Xuepeng;YANG Liping;LIU Tao;CHANG Yijun;JIANG Jinzhong(Xi’an Thermal Power Research Institute Co.,Ltd.,Xi’an 710054,China;Huaneng New Energy Co.,Ltd.,Mengdong Branch,Tongliao 028000,China;Huaneng Jiuquan Wind Power Co.,Ltd.,Jiuquan 736100,China;Huaneng(Zhejiang)Energy Development Co.,Ltd.,Yuhuan Branch,Taizhou 317604,China)

机构地区：[1]西安热工研究院有限公司,陕西西安710054 [2]华能新能源股份有限公司蒙东分公司,内蒙古通辽028000 [3]华能酒泉风电有限责任公司,甘肃酒泉736100 [4]华能(浙江)能源开发有限公司玉环分公司,浙江台州317604

出　　处：《热力发电》2024年第5期141-148,共8页Thermal Power Generation

基　　金：西安热工研究院有限公司科技项目(TN-22-TYK12);中国华能集团有限公司企业标准(TX-22-HNQBZ03-01)。

摘　　要：为实现在役风力发电机组变桨轴承高黏润滑油脂附着状态下轮齿齿面的高效精准检测,采用仿形阵列涡流技术,研究不同线圈排布方式和提离距离对轴承轮齿齿面缺陷检测结果的影响。结果表明:Z字型和复合型线圈排布方式的边缘效应范围不同,复合型仿形探头较Z字型明显缩短;通过检测10.00 mm×0.50 mm×1.00 mm(槽长×槽宽×槽深)人工槽缺陷,得出内、外齿型轴承的提离距离极限分别为1.04 mm和1.43 mm;对在役风机轴承在表面有高黏润滑油脂条件下进行了试验验证,检测缺陷尺寸与位置结果准确,误差小于5%。该研究成果可为变桨轴承轮齿齿面在役状态下的监督检测提供技术支撑及新思路。In order to realize efficient and accurate detection of the pitch bearing tooth surface of wind turbines in service under the adhesion of high viscosity lubricating grease,profiling array eddy current technology is used to study the effects of different coil arrangement methods and lifting distances on the detection results of bearing tooth surface defects.It can be concluded that,the edge effect range of Z-shaped and composite coil layout is different,and the composite profiling probe is significantly shorter than the Z-shaped probe.By detecting the artificial groove defects of 10.00 mm×0.50 mm×1.00 mm(slot length×slot width×slot depth),it indicates that the lifting distance limits for inner and outer toothed bearings are 1.04 mm and 1.43 mm,respectively.Experimental verification is conducted on the in-service fan bearings under the condition of high viscosity lubricating grease on the surface,and the results of defect size and position detection are accurate,with an error of less than 5%.This provides technical support and new ideas for supervision and inspection of the pitch bearing gear tooth surface in service.

关 键 词：在役风机 变桨轴承 高黏润滑油 涡流检测 

分 类 号：TM315[电气工程—电机]