螺栓在线监测在风电领域的应用及前景

Application and Prospect of Bolt On-line Monitoring in Wind Power Field

螺栓是连接风机各部件重要的元件,其连接的稳定性将直接影响风机的正常运行,目前对螺栓的运维以人工检查为主,智能化监测还处于行业空白状态。本文针对螺栓的安全监测,介绍了最具有发展潜力的超声监测技术,该技术可以无损、快速测量螺栓的受力,并能通过网络实现在线监测。通过案例阐述了螺栓在线监测在风机上的初步运用情况,由监测结果可知,螺栓在线监测对分析风机螺栓受力、预防螺栓松断具有良好的应用前景。

Bolt is an important component for connecting various parts of wind turbine,and the stability of its connection will directly affect the normal operation of wind turbine.At present,the operation and maintenance of bolt is mainly manual inspection,and the intelligent monitoring is still in a blank state in the industry.Aiming at the safety monitoring of bolts,this paper introduces the most promising ultrasonic monitoring technology,which can measure the stress of bolts nondestructive and quickly,and realize online monitoring through the network.Through some cases,the preliminary application of on-line monitoring of bolts in wind turbines is expounded.From the monitoring results,it can be seen that on-line monitoring of bolts has a good application prospect for analyzing the stress of bolts in wind turbines and preventing bolts from loosening.