水轮发电机组大部件结构筋板对刚强度性能的影响分析  

Analysis of the Influence of Rib Plate on the Structural Strength Performance of the Large Parts of Hydro-generator Set

作　　者：王治国[1,2] 郭杰 钟苏[1,2] 王应伦 杨国昌 WANG Zhiguo;GUO Jie;ZHONG Su;WANG Yinglun;YANG Guochang(Harbin Institute of Large Electrical Machinery,Harbin 150040,China;State Key Laboratory of Hydropower Equipment(HILEM),Harbin 150040,China;Guangxi Gui Guan Electric Power Co.,Ltd.,Xingyi 562400,China)

机构地区：[1]哈尔滨大电机研究所,哈尔滨150040 [2]水力发电设备国家重点实验室(哈尔滨大电机研究所),哈尔滨150040 [3]广西桂冠电力股份有限公司,贵州兴义562400

出　　处：《大电机技术》2021年第1期82-88,共7页Large Electric Machine and Hydraulic Turbine

摘　　要：筋板结构的布置位置和形状,以及筋板与主体结构的连接情况都会对水轮发电机组大部件的局部应力、结构变形、刚度性能和固有频率产生影响。本文计算分析了筋板对水轮发电机组大部件在局部应力、结构变形、刚度性能和固有频率等以上各个方面的具体影响情况,并提出了合理建议,对水轮发电机组的设计和安装制造具有一定的借鉴意义。The layout position and shape of the stiffened plate structure,as well as the connection between the stiffened plate and the main structure,will affect the local stress,structural deformation,stiffness performance and natural frequency of the large parts of the hydro-generator set.This paper calculates and analyzes the concrete influence of rib plate on the local stress,structural deformation,stiffness performance and natural frequency of large components of hydro-generator set,and puts forward reasonable suggestions,which have great reference significance to the design,installation and manufacture of hydro-generator set.

关 键 词：筋板 局部应力 结构变形 刚度性能 固有频率 

分 类 号：TM312[电气工程—电机]