Article(id=1320037685159383256, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037605320802443, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.03.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1766160000000, receivedDateStr=2025-12-20, revisedDate=1770220800000, revisedDateStr=2026-02-05, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651109256, onlineDateStr=2026-10-22, pubDate=1774800000000, pubDateStr=2026-03-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651109256, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651109256, creator=13701087609, updateTime=1792651109256, updator=13701087609, issue=Issue{id=1320037605320802443, tenantId=1146029695717560320, journalId=1316781260334530699, year='2026', volume='54', issue='3', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1774800000000', pubDateStr='2026-03-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792651090221, creator='13701087609', updateTime=1792656224643, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320059140710454212, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037605320802443, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320059140710454213, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037605320802443, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=110, endPage=118, ext={EN=ArticleExt(id=1320037685415235801, articleId=1320037685159383256, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Vibration over‑limit analysis and improvement of a horizontally split multistage water pump, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To address the vibration over‑limit issue of a horizontally split multistage pump in the water intake system of a coastal city's pipeline network,vibration velocity testing and spectrum characteristic analysis were carried out using the LMS testing and analysis system.The results showed that the peak vibration velocity in the vertical direction at the non‑drive end of the pump reached 13.8 mm/s,far exceeding the limit specified in the GB/T 29531—2013 standard,posing a serious challenge to the safety and stability of the equipment.To accurately identify the root cause of the fault,a quantitative risk assessment of potential failures was conducted based on the failure mode and effects analysis (FMEA) method.Through failure mode identification,risk priority number (RPN) calculation,and screening of key fault factors,pump shaft misalignment and rotor‑stator interaction between the impeller and casing were determined to be the core causes of the excessive vibration.Accordingly,improvement measures including high‑precision shaft alignment correction,impeller hydraulic profile optimization,and clearance matching adjustment were proposed and implemented.After the improvements,the dominant vibration frequency of the pump was effectively shifted.The dominant frequency amplitudes in the horizontal and vertical directions at the non‑drive end were reduced by 52.6% and 51.5%,respectively.The vibration severity met the operational requirements for Class Ⅱ equipment specified in the GB/T 29531—2013 standard,and the equipment operating condition was significantly improved.This study provides a reference for the accurate diagnosis and efficient treatment of vibration faults in fluid machinery equipment,and holds important engineering application value for ensuring the reliable operation of urban pipeline network water intake systems.
, authors=Xinru YAN, Wei MENG, Jun FANG, Jun FANG, Xinyu JIANG, Bingfang HUANG, authorsList=Xinru YAN, Wei MENG, Jun FANG, Jun FANG, Xinyu JIANG, Bingfang HUANG, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1320037687654994156, articleId=1320037685159383256, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=水平中开式多级水泵振动超限分析及改进, columnId=1317484300472271469, journalTitle=流体机械, columnName=应用技术, runingTitle=null, highlight=null, articleAbstract=
针对某沿海城市管网取水系统中水平中开式多级泵的振动超限问题,采用LMS测试分析系统开展了振动速度测试与频谱特征分析。结果显示,泵非驱动端竖直方向振动速度峰值达13.8 mm/s,远超GB/T 29531—2013标准规定的限值,设备运行安全性与稳定性面临严峻挑战。为精准定位故障根源,基于失效模式与影响分析(FMEA)方法对潜在故障进行量化风险评估;通过故障模式识别、风险优先级(RPN)计算及关键故障因子筛选,确定泵轴不对中、叶轮-壳体动静干涉为导致振动超标的核心原因,并据此提出并实施了泵轴高精度对中校正、叶轮水力轮廓优化及间隙匹配调整等改进方案。改进后,泵体振动主频实现有效迁移,非驱动端水平与竖直方向主频幅值分别降低52.6%和51.5%,振动烈度满足GB/T 29531—2013标准中Ⅱ类设备的运行要求,设备运行状态显著改善。研究为流体机械装备振动故障的精准诊断与高效治理提供了参考,对保障城市管网取水系统的可靠运行具有重要的工程应用价值。
, authors=严欣茹, 孟薇, 方珺, 房俊, 江新喻, 黄秉方, authorsList=严欣茹, 孟薇, 方珺, 房俊, 江新喻, 黄秉方, authorCompany=null, correspAuthors=null, authorNote=
严欣茹(1975),女,高级工程师,主要从事市政工程设备成套装置的研究及改进,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:yan77160@126.com。
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作者向本刊所投稿件一经本刊录用,则该论文的复制权、发行权、信息网络传播权、翻译权、汇编权等权利视为自动转让给本刊。本刊为国内各主要数据库收录期刊,本刊所发表的稿件将同时通过互联网进行网络出版或提供信息服务。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=QB/+9Bl3zvqZUIsgICsE4A==, magXml=TO/MAOYTGrVMW+ZTVGh/wg==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=5nDTHT12M1IFznr/RkFocQ==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=6OfJlbz4WtyQ+b5OThNuDA==, mapNumber=null, fund=null)}, authors=[Author(id=1320037688569352433, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=yan77160@126.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037688657432819, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, authorId=1320037688569352433, language=EN, stringName=Xinru YAN, firstName=Xinru, middleName=null, lastName=YAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Hefei General Machinery Research Institute Co.,Ltd.,Hefei 230031,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320037688959422708, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, authorId=1320037688569352433, language=CN, stringName=严欣茹, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=合肥通用机械研究院有限公司,合肥 230031, bio={"content":"
严欣茹(1975),女,高级工程师,主要从事市政工程设备成套装置的研究及改进,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:yan77160@126.com。
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严欣茹(1975),女,高级工程师,主要从事市政工程设备成套装置的研究及改进,通信地址:230031安徽省合肥市长江西路888号合肥通用机械研究院有限公司,E-mail:yan77160@126.com。
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machine[J].Journal of Drainage and Irrigation Machinery Engineering,2024,42(9): 872-880., articleTitle=null, refAbstract=null), Reference(id=1320037696622416214, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=21, rfOrder=36, authorNames=null, journalName=null, refType=null, unstructuredReference=赵文斌,张宇航,尚欢欢,等.多振动源激励下船用离心泵振动特性分析[J].机械科学与技术,2021,40(11):1670-1674., articleTitle=null, refAbstract=null), Reference(id=1320037696685330775, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=21, rfOrder=37, authorNames=null, journalName=null, refType=null, unstructuredReference=ZHAO W B,ZHANG Y H,SHANG H H,et al.Analysis of vibration characteristics 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Wear condition of sliding bearing shell, figureFileSmall=DAn+CI0w8foBP0n2ofnXUw==, figureFileBig=5nDTHT12M1IFznr/RkFocQ==, tableContent=null), ArticleFig(id=1320037691928989979, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=CN, label=图1, caption=
滑动轴承轴瓦磨损情况, figureFileSmall=DAn+CI0w8foBP0n2ofnXUw==, figureFileBig=5nDTHT12M1IFznr/RkFocQ==, tableContent=null), ArticleFig(id=1320037692088373532, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=EN, label=Fig.2, caption=
Vibration testing equipment, figureFileSmall=ttpUx49pTD1QMiS2J7xvfA==, figureFileBig=OsDuzpVuXoFnTJDc3e0rRA==, tableContent=null), ArticleFig(id=1320037692142899485, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=CN, label=图2, caption=
振动测试设备(a)SPM50便携式机箱 (b)PCB加速度传感器
, figureFileSmall=ttpUx49pTD1QMiS2J7xvfA==, figureFileBig=OsDuzpVuXoFnTJDc3e0rRA==, tableContent=null), ArticleFig(id=1320037692197425438, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=EN, label=Fig.3, caption=
Schematic of vibration measurement points on theintake pump unit, figureFileSmall=aA77u4E4ZJ2q3+++CPObpw==, figureFileBig=Y1Pi7ASo/WJsRILNYkRffQ==, tableContent=null), ArticleFig(id=1320037692268728607, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=CN, label=图3, caption=
取水泵机组振动测点示意, figureFileSmall=aA77u4E4ZJ2q3+++CPObpw==, figureFileBig=Y1Pi7ASo/WJsRILNYkRffQ==, tableContent=null), ArticleFig(id=1320037692331643168, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=EN, label=Fig.4, caption=
Spectral distribution of vibration velocity of the unit, figureFileSmall=doenYLHx9bJPXWPoGGf7rQ==, figureFileBig=0s3itUEuP77fjWFfFp7SLQ==, tableContent=null), ArticleFig(id=1320037692390363425, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=CN, label=图4, caption=
机组振动速度频谱分布, figureFileSmall=doenYLHx9bJPXWPoGGf7rQ==, figureFileBig=0s3itUEuP77fjWFfFp7SLQ==, tableContent=null), ArticleFig(id=1320037692470055202, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=EN, label=Fig.5, caption=
Schematic of pump unit alignment, figureFileSmall=IVcrUnzkU+xqpZ8ZEgBiIQ==, figureFileBig=Qj/Z76dmRkyQFZd/2ZbzUQ==, tableContent=null), ArticleFig(id=1320037692537164067, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=CN, label=图5, caption=
泵组对中示意, figureFileSmall=IVcrUnzkU+xqpZ8ZEgBiIQ==, figureFileBig=Qj/Z76dmRkyQFZd/2ZbzUQ==, tableContent=null), ArticleFig(id=1320037692608467236, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=EN, label=Fig.6, caption=
Comparison of impeller inlet velocity triangles andflow patterns at different flow rates, figureFileSmall=8cEbCDwgJ4avzaHOxnbemQ==, figureFileBig=kDbm4ZNYMqvvMfPdYC+/Yg==, tableContent=null), ArticleFig(id=1320037692688159013, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=CN, label=图6, caption=
不同流量下的叶轮入口速度三角形及流态对比, figureFileSmall=8cEbCDwgJ4avzaHOxnbemQ==, figureFileBig=kDbm4ZNYMqvvMfPdYC+/Yg==, tableContent=null), ArticleFig(id=1320037692763656486, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=EN, label=Fig.7, caption=
Comparison of impeller shape before and after modification, figureFileSmall=VMKj3/GaD2931oOO2waZ5w==, figureFileBig=+yn6onc9vk+gMtEs9pCVKg==, tableContent=null), ArticleFig(id=1320037692830765351, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=CN, label=图7, caption=
叶轮改造前后形状对比, figureFileSmall=VMKj3/GaD2931oOO2waZ5w==, figureFileBig=+yn6onc9vk+gMtEs9pCVKg==, tableContent=null), ArticleFig(id=1320037692897874216, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=EN, label=Fig.8, caption=
Live scene of equipment operation and on‑site testing, figureFileSmall=5rLCWpiaP75bfNepjSfsbg==, figureFileBig=l8x93aJdAbXWjvo4WkCcag==, tableContent=null), ArticleFig(id=1320037692964983081, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=CN, label=图8, caption=
设备运行及现场测试实景, figureFileSmall=5rLCWpiaP75bfNepjSfsbg==, figureFileBig=l8x93aJdAbXWjvo4WkCcag==, tableContent=null), ArticleFig(id=1320037693032091946, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=EN, label=Fig.9, caption=
Comparison of vibration velocity spectrum distribution at the non‑drive end of the pump before and after modification, figureFileSmall=wSc7U7pL9sUrUX7bwLoilQ==, figureFileBig=XVqHkdaVBKFgXkAKcrwu7Q==, tableContent=null), ArticleFig(id=1320037693103395115, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=CN, label=图9, caption=
改造前后泵非驱动端振动速度频谱分布对比, figureFileSmall=wSc7U7pL9sUrUX7bwLoilQ==, figureFileBig=XVqHkdaVBKFgXkAKcrwu7Q==, tableContent=null), ArticleFig(id=1320037693178892588, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=EN, label=Tab.1, caption=
Vibration data statistics of the intake water pump
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别 | 驱动端振动速度/(mm·s-1) | 非驱动端振动速度/(mm·s-1) |
|---|
| 下限值 | 上限值 | 下限值 | 上限值 |
|---|
| 机组1 | x | 2.9 | 4.2 | 3.1 | 4.0 |
| y | 1.8 | 2.5 | 3.0 | 5.2 |
| z | 0.8 | 1.5 | 1.0 | 2.2 |
| 机组2 | x | 4.2 | 5.1 | 5.3 | 8.6 |
| y | 4.1 | 7.2 | 9.2 | 13.8 |
| z | 1.1 | 2.3 | 4.2 | 5.3 |
), ArticleFig(id=1320037693237612845, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=CN, label=表1, caption=
取水泵振动数据统计
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别 | 驱动端振动速度/(mm·s-1) | 非驱动端振动速度/(mm·s-1) |
|---|
| 下限值 | 上限值 | 下限值 | 上限值 |
|---|
| 机组1 | x | 2.9 | 4.2 | 3.1 | 4.0 |
| y | 1.8 | 2.5 | 3.0 | 5.2 |
| z | 0.8 | 1.5 | 1.0 | 2.2 |
| 机组2 | x | 4.2 | 5.1 | 5.3 | 8.6 |
| y | 4.1 | 7.2 | 9.2 | 13.8 |
| z | 1.1 | 2.3 | 4.2 | 5.3 |
), ArticleFig(id=1320037693308916014, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=EN, label=Tab.2, caption=
Vibration test results and evaluation of the intakepump unit
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测点序列 | 振动方向 | 振动速度/(mm·s-1) | 振动评级 |
|---|
| 测点1 | x | 4.6 | C |
| y | 5.3 |
| z | 1.2 |
| 测点2 | x | 9.1 | D |
| y | 11.2 |
| z | 2.1 |
| 测点3 | x | 2.7 | B |
| y | 2.2 |
| z | 0.9 |
), ArticleFig(id=1320037693380219183, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=CN, label=表2, caption=
取水泵机组振动测试结果及评价
, figureFileSmall=null, figureFileBig=null, tableContent=
| 测点序列 | 振动方向 | 振动速度/(mm·s-1) | 振动评级 |
|---|
| 测点1 | x | 4.6 | C |
| y | 5.3 |
| z | 1.2 |
| 测点2 | x | 9.1 | D |
| y | 11.2 |
| z | 2.1 |
| 测点3 | x | 2.7 | B |
| y | 2.2 |
| z | 0.9 |
), ArticleFig(id=1320037693455716656, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=EN, label=Tab.3, caption=
Comparison of risk priority numbers for eachfailure mode
, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障类型 | 严重度 | 发生频度 | 可探测度 | 失效 风险值 |
|---|
| 叶轮不平衡 | 7 | 2 | 3 | 42 |
| 叶轮磨损 | 6 | 2 | 5 | 60 |
| 泵轴不对中 | 9 | 8 | 6 | 432 |
| 动静干涉 | 9 | 8 | 7 | 504 |
), ArticleFig(id=1320037693518631217, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037685159383256, language=CN, label=表3, caption=
各故障失效风险值对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 故障类型 | 严重度 | 发生频度 | 可探测度 | 失效 风险值 |
|---|
| 叶轮不平衡 | 7 | 2 | 3 | 42 |
| 叶轮磨损 | 6 | 2 | 5 | 60 |
| 泵轴不对中 | 9 | 8 | 6 | 432 |
| 动静干涉 | 9 | 8 | 7 | 504 |
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