
第32卷增刊1 2012年12月
核科学与工程
Nuclear Science and Engineering
Vol,32Suppl.1
Dec.2012
大亚湾核电站蒸汽转换器系统给水泵
滚动轴承车削拆卸方法探讨
孙智强
(大亚湾核电运营管理有限责任公司维修部,广东深圳518124)
摘要:通过研制专用拉具进行装夹及对车前轴承用刀具、工艺方法等的分析与选择,成功完成了大豆湾核电站蒸汽转换器系统(STR)给水泵中滚动轴承的车削拆卸,可作为核电厂相关的重大、关键零部件加工的参考和借鉴,
关键词:专用拉具;装夹;给水;轴承,车削;拆卸
中图分类号:TM623
文献标志码:B
文章编号:0258-0918(2012)S1-0015-04
StudyontheDisassemblingMethodsof theAntifriction
Bearing Turning fortheFeeding Pump of the SteamConverter System in Daya BayNPP
SUN Zhi-qiang
(Maintenance Department, Daya Bay Nuclear Power Operations and Management Co. , Ltd.,
Shenzhen of Guangdong Prov, 518124, China)
Abstract; By developing special tension device for loading and holding, and the analysis and selection of antifriction bearing turning tools and its technical process, we have finished the disassembling of the antifriction bearing turning for the feeding pump of the steam converter system in Daya Bay NPP, which can be a reference for the processing of relevant significant and key components and parts of nuclear power plants.
Key words: special broach; clamping; feed water pump; roller bearing; turning; disassembly
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问题提出
大亚湾核电站2号机组(D2)蒸汽转换器
系统(STR)设有2台给水泵,1台运行1台备收稿日期:2012-08-20;修回日期:2012-10-25
用。2007年5月D2STR002PO给水泵运行故障,检修人员拆卸泵时发现泵非驱动端轴承与轴抱死(图1),后续检修活动无法展开。该泵非驱动端轴承为圆锥辊子轴承,现场检修人员
作者简介:孙智强(1967—-),男,高级技师,毕业于吉林大学,主要从事机械加工管理工作
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