风机塔筒螺栓防松检测技术.docx

风机塔筒螺栓防松检测技术.docx: .
风机塔筒螺栓防松检测技术
陈长宏-吴坤2,魏泰I黄军威I
（，甘肃 兰州730020;
风电装备研究所，山东济南250022 ）
摘要：高强度螺栓防松检测在风机塔筒运营维护中占冇较大比例，从理论上分析了髙强度螺栓连接的受力 机理，计算出正常工况载荷条件下螺栓松动的风荷载标准值。基于数学模型计算结论提出一种可靠度较高 的监控系统，可有效减少维护成本及适当延长运营维护检测周期。
关键词：高強度螺栓；防松机理；扭矩法；防松监测
中图分类号：TK83 文献标识码：A 文章编号：
Prevent loosing detection technology of the wind turbines tower bolts
CHEN Chang-hong', WU Kun2, WEI Tai',HUANG Jun-wei1
(1. GanSu Province Special Equipment Inspection research Center, Lanzhou 730050,
China; Turbines Equipment Research Institute, JiNan Railway Vehicles Equipment
, Jinan 250022,China)
Abstract: Prevent loosing detection of high strength bolts have a large proportion in the wind turbines tower operation maintenance, the stress mechanism of high strength bolts conn ections was mainly analyzed by theory, the bolts looseness of wind load standard value was calculated under normal working load conditions・ Based on mathematical model for calculation conclusion put forward a higher reliability of mon i tori ng system, can effectively reduce the maintenance costs and extend operation maintenance and inspection cycle.
key words： High strength bolt； Prevent loosing mechanism； Torque method; Prevent loosing detection
1. 引言
随着风机种类的不断增加，新机组 的不断投运，I口机组的不断老化，风机 的日常运营维护就显得尤为重要，维护 的好坏直接影响到发电量的多少和经济 效益的高低。风机本身的性能，也