挖泥船维修吊机计算分析报告

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1、,挖泥船维修吊机计算分析报告TheDredgerCraneCalculationandAnalysisReport2012年8月22日22July2012目录Content目录Content1工程概况Overview12主要构件信息Themainstructureinformation42.1中枢Thekingstructure42.2主臂架Themainjib52.3副臂架Theknucklejib53构件受力理论计算Thetheoreticalcalculationsofstructures63.1工况一Case163.2工况二Case283.3

2、工况三Case3103.4工况四Case3123.5汇总Summary144理论计算的有限元校核Checkoffiniteelementforstaticcalculation164.1参数和荷载Theparametersandloads164.2计算模型Computationalmodel164.3工况一Case1274.4工况二Case2404.5工况三Case3534.6工况四Case4664.7汇总Summary795考虑荷载系数的有限元验算Finiteelementcheckingofconsideringloadfactors835.1荷

3、载情况835.2工况一Case1845.3工况二Case2975.4工况三Case31105.4工况四Case41235.5汇总Summary1366构件连接部计算Theforcesatthehingeofthestructure1406.1主副臂架铰点Thehingeforthemainjibandtheknucklejib140II目录Content6.2中枢主臂架铰点Thehingeforthekingstructureandthemainjib1436.3上油缸臂上铰点Theuphingeoftheknucklejibcylinder1446

4、.4上油缸臂下铰点Thebottomhingeoftheknucklejibcylinder1476.5下油缸臂上铰点Theuphingeofthemainjibcylinder1496.6下油缸臂下铰点Thebottomhingeofthemainjibcylinder1507结语Concolusions1527.1理论计算结果Thetheoreticalcalculationresults1527.2有限元校核结果Finiteelementcheckingresults1547.3考虑荷载系数的有限元验算结果Finiteelementchecki

5、ngresultsofconsideringloadfactors1567.4结论Conclusion157II挖泥船维修吊机计算分析报告Thedredgercranecalculationandanalysisreport挖泥船维修吊机计算分析报告Thedredgercranecalculationandanalysisreport1工程概况Overview挖泥船维修吊机的主要部件有中枢、主臂架、副臂架（折叠臂）、铰盘、滑轮、吊钩、下油缸臂和上油缸臂等，如下图1所示。Themaincomponentsofthedredgercraneinclude

6、thekingstructure,themainjib,theknucklejib,thewinch,thepulley,thehook,themainjibcylinderandtheknucklejibcylinder,etal.（a）折叠状态Foldedstate（b）展开状态Expandedstate图1挖泥船维修吊机总图Figure1:Generalplanofthedredgercrane86挖泥船维修吊机计算分析报告Thedredgercranecalculationandanalysisreport工作时的计算工况有四种，起吊半径和重

7、量分别为：Theloadcaseisselected,andtheradiusandweightare:工况一：6m–15tCase1:6m–15t工况二：10m-15tCase2:10m-15t工况三：23.4m–4tCase3:23.4m–4t工况四：26.7m-4tCase4:26.7m-4t四种工况如下图2-图5所示。ThefourcasesareshownasFigure2-Figure5.图2：工况一6m–15tFigure2Case1:6m–15t86挖泥船维修吊机计算分析报告Thedredgercranecalculationanda

8、nalysisreport图3工况二：10m-15tFigure3Case2:10m–15t图4工况三：23