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1、,挖泥船維修吊機(jī)計(jì)算分析報(bào)告TheDredgerCraneCalculationandAnalysisReport2012年8月22日22July2012目錄Content目錄Content1工程概況Overview12主要構(gòu)件信息Themainstructureinformation42.1中樞Thekingstructure42.2主臂架Themainjib52.3副臂架Theknucklejib53構(gòu)件受力理論計(jì)算Thetheoreticalcalculationsofstructures63.1工況一Case163.2工況二Case283.3
2、工況三Case3103.4工況四Case3123.5匯總Summary144理論計(jì)算的有限元校核Checkoffiniteelementforstaticcalculation164.1參數(shù)和荷載Theparametersandloads164.2計(jì)算模型Computationalmodel164.3工況一Case1274.4工況二Case2404.5工況三Case3534.6工況四Case4664.7匯總Summary795考慮荷載系數(shù)的有限元驗(yàn)算Finiteelementcheckingofconsideringloadfactors835.1荷
3、載情況835.2工況一Case1845.3工況二Case2975.4工況三Case31105.4工況四Case41235.5匯總Summary1366構(gòu)件連接部計(jì)算Theforcesatthehingeofthestructure1406.1主副臂架鉸點(diǎn)Thehingeforthemainjibandtheknucklejib140II目錄Content6.2中樞主臂架鉸點(diǎn)Thehingeforthekingstructureandthemainjib1436.3上油缸臂上鉸點(diǎn)Theuphingeoftheknucklejibcylinder1446
4、.4上油缸臂下鉸點(diǎn)Thebottomhingeoftheknucklejibcylinder1476.5下油缸臂上鉸點(diǎn)Theuphingeofthemainjibcylinder1496.6下油缸臂下鉸點(diǎn)Thebottomhingeofthemainjibcylinder1507結(jié)語(yǔ)Concolusions1527.1理論計(jì)算結(jié)果Thetheoreticalcalculationresults1527.2有限元校核結(jié)果Finiteelementcheckingresults1547.3考慮荷載系數(shù)的有限元驗(yàn)算結(jié)果Finiteelementchecki
5、ngresultsofconsideringloadfactors1567.4結(jié)論Conclusion157II挖泥船維修吊機(jī)計(jì)算分析報(bào)告Thedredgercranecalculationandanalysisreport挖泥船維修吊機(jī)計(jì)算分析報(bào)告Thedredgercranecalculationandanalysisreport1工程概況Overview挖泥船維修吊機(jī)的主要部件有中樞、主臂架、副臂架（折疊臂）、鉸盤、滑輪、吊鉤、下油缸臂和上油缸臂等，如下圖1所示。Themaincomponentsofthedredgercraneinclude
6、thekingstructure,themainjib,theknucklejib,thewinch,thepulley,thehook,themainjibcylinderandtheknucklejibcylinder,etal.（a）折疊狀態(tài)Foldedstate（b）展開(kāi)狀態(tài)Expandedstate圖1挖泥船維修吊機(jī)總圖Figure1:Generalplanofthedredgercrane86挖泥船維修吊機(jī)計(jì)算分析報(bào)告Thedredgercranecalculationandanalysisreport工作時(shí)的計(jì)算工況有四種，起吊半徑和重
7、量分別為：Theloadcaseisselected,andtheradiusandweightare:工況一：6m–15tCase1:6m–15t工況二：10m-15tCase2:10m-15t工況三：23.4m–4tCase3:23.4m–4t工況四：26.7m-4tCase4:26.7m-4t四種工況如下圖2-圖5所示。ThefourcasesareshownasFigure2-Figure5.圖2：工況一6m–15tFigure2Case1:6m–15t86挖泥船維修吊機(jī)計(jì)算分析報(bào)告Thedredgercranecalculationanda
8、nalysisreport圖3工況二：10m-15tFigure3Case2:10m–15t圖4工況三：23
