回龙抽水蓄能电站顶盖螺栓改造关键工艺控制
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摘要
2017年,回龙抽水蓄能电站综合治理改造期间对1号、2号机顶盖螺栓进行改造,螺栓重新设计选型,座环把合螺纹孔扩孔,使顶盖螺栓在各种工况运行时保证有足够的安全裕度。本文对回龙抽水蓄能电站顶盖螺栓及其连接部件从设计选型,结构优化,加工工艺,强度复核计算,座环把合螺孔扩孔等方面进行介绍,以期对国内外其他电站提供有益借鉴。
In 2017,during the comprehensive treatment and renovation of huilong pumped storage power station,the new design and selection of the bolt, the seat ring reaming the threaded hole, make the top bolt have enough safety margin in all kinds of working conditions.This paper introduces the top bolt and its connecting parts of huilong power station from the aspects of design and selection, structure optimization, processing technology, strength check calculation, seat ring and screw hole reaming, etc., in order to provide useful reference for other power stations at home and abroad.
In 2017,during the comprehensive treatment and renovation of huilong pumped storage power station,the new design and selection of the bolt, the seat ring reaming the threaded hole, make the top bolt have enough safety margin in all kinds of working conditions.This paper introduces the top bolt and its connecting parts of huilong power station from the aspects of design and selection, structure optimization, processing technology, strength check calculation, seat ring and screw hole reaming, etc., in order to provide useful reference for other power stations at home and abroad.
引文
[1]赵强,柴建峰,马传宝,丁景焕,李博.某抽水蓄能电站顶盖螺栓断裂原因分析[J].长江科学院院报,2019,36(01):134-138.ZHAO Qiang,CHAI Jianfeng,MA Chuanbao,DINGJinghuan,LI Bo.Analysis of Fracture Reasons of Roof Bolts in a Pumped Storage Power Station[J].Journal of Changjiang Academy of Sciences,2019,36(01):134-138.
[2]刘清贵.安全裕度和“擦边球”[J].中国民用航空,2009(08):63-66.LIU Qinggui.Safety Margin and“Edge Ball”[J].China Civil Aviation,2009(08):63-66.
[3]龙健辉.预紧螺栓连接仿真分析[J].中国科技信息,2018(13):93-95.LONG Jianhui.Simulation Analysis of Pre-tightening Bolt Connection[J].China Science and Technology Information,2018(13):93-95.
[4]阎红娟,徐春广,肖定国,蔡海潮.金属材料拉伸应力非线性超声特性研究[J].机械工程学报,2016,52(06):22-29.YAN Hongjuan,XU Chunguang,XIAO Dingguo,CAIHaichao.Nonlinear Ultrasonic Characteristics of Tensile Stress in Metallic Materials[J].Chinese Journal of Mechanical Engineering,2016,52(06):22-29.
[5]司超群,覃佳亮,仝家鹏.基于螺纹连接结构工作载荷的螺母优化设计[J].时代汽车,2018(05):74-77.SI Chaoqun,QIN Jialiang,TONG Jiapeng.Optimal Design of Nuts Based on Working Load of Threaded Joint Structure[J].Era Automotive,2018(05):74-77.
[2]刘清贵.安全裕度和“擦边球”[J].中国民用航空,2009(08):63-66.LIU Qinggui.Safety Margin and“Edge Ball”[J].China Civil Aviation,2009(08):63-66.
[3]龙健辉.预紧螺栓连接仿真分析[J].中国科技信息,2018(13):93-95.LONG Jianhui.Simulation Analysis of Pre-tightening Bolt Connection[J].China Science and Technology Information,2018(13):93-95.
[4]阎红娟,徐春广,肖定国,蔡海潮.金属材料拉伸应力非线性超声特性研究[J].机械工程学报,2016,52(06):22-29.YAN Hongjuan,XU Chunguang,XIAO Dingguo,CAIHaichao.Nonlinear Ultrasonic Characteristics of Tensile Stress in Metallic Materials[J].Chinese Journal of Mechanical Engineering,2016,52(06):22-29.
[5]司超群,覃佳亮,仝家鹏.基于螺纹连接结构工作载荷的螺母优化设计[J].时代汽车,2018(05):74-77.SI Chaoqun,QIN Jialiang,TONG Jiapeng.Optimal Design of Nuts Based on Working Load of Threaded Joint Structure[J].Era Automotive,2018(05):74-77.