已阅读5页,还剩2页未读, 继续免费阅读
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
附录AHoistcranemetalstructureFlows-likeinthehoistcrane,themajorityoftirehoistcrane,thecrawlercraneaswellasthepartialautohoistandspecial-purposeflows-likethehoistcrane,allinstallshasclothesrackthebracketarm,andthroughliftsusingitspeakblockandtackleinstallschangesliftsthesteelwireposition,thusrealizationheavyitemfluctuation;Againchangesitsheightofliftandtheworkingradiusthroughthechangeclothesrackbracketarmlengthandtheangleoftilt.Therefore,maintenanceclothesrackbracketarmincompletenessisextremelyimportant.Becausethehoistcranerisesandfallstheheavyitemworkcontentthemultiplicityandallkindsofworkenvironment,aswellasthehoistcranepilotoperationallevelhighlowstatusreason(hasalsocontraryoperation),thesecancreateclothesrackthebracketarmvaryingdegreedamage,evenfoldsthearmorthepersonnelcasualtyOnclothesrackthebracketarmsteelpipeisspeciallyintheweldingplace,veryeasytoappearthecrack;Thismustexaminecarefully,whennecessityappliesthemagnifyingglasscarefulobservation.Accordingtowemanyyearexperiences,isverysmallwhenthecraterplacecrack,mustcarryontheregulartrackinspection,gazesatthecrackcloselythedevelopmentchange,inordertotakethemeasurepromptly.Whencrackwidthasbigas1mmabove,shouldthepromptpatching.Theconcretemethodis,carriesonfirsttothecrackplaceoriginalcraterpolishes,removeshowmanytoregardthespecialdetailstodecide;Thencarriesonthepatching;Finallyrenovateswellthen.Whenthepitdepthachievedthesteelpipethearmthicksize,alsothepitdistortiondiameterachieveswhen25mm(diameterfor25mm)andastraightedge,ifthepitpositioninclothesrackonthebracketarmsteelpipesurface,thendeferstothemethodwhichshowninFigure1todeterminethepitthedepth,soonchoosesthegoodsteelballtoputinthepit,ifthesteelballapexupjustcouldwithrightangleunderalongthecontact,webepossibletoregardthesteelballbynowthediameterforthepitdepth.Ifthepitpositioninthesteelpipesideorunder,aftermayusethebuttertosticktofirstthesteelballcarriesonagainthesurvey.Tothiskindofmaintenancedamage,theavailablegeneralmaterialqualityandtheoriginalsteelpipesamesteelpipeweldingreinforcement,namelytakessectionofsteelpipestodivideintoalongthemiddlelinetwohalf,buildsitsnosetheincline,hasexemptedthecratertobeverticaltoclothesrackthebracketarmsteelpipelengthdirection.Musttreatinfrontofweldingtheoriginalclothesrackbracketarmsteelpipeaboveweldsplacepaintspolishescleanlyfront,preparesforweldsWhenclothesrackthebracketarmsimplerootsteelpipesurfacedamagequiteisserious,shouldadoptitsdamageserioussectionofsteelpipesremoves,weldssectionofsteelpipesthemethodtocarryonprocessing,butmustaddonasectioninsidethesteelpipetostrengthenthesteelpipe.Frontinordertocausetoweldstrengthensthesteelpipetobeablethesmoothinsertiontoremoveinasectionofclothesrackbracketarmsteelpipe,strengthensthesteelpipetobesupposedtomakethesimilarlylongtwosections,andusesthethreadsuccessivelyandweldstwowaystocarryontheconnection.StrengthenssteelpipeL1andL2slengthmustasectionofshort20mmwhichremovescomparedtoclothesrackthebracketarmsteelpipe,alsoitsouterdiametershouldcomparedtoclothesrackbracketarmsteelpipeinsidediametersmall2040m,causetostrengthenthesteelpipebothtobepossibletomoveinclothesrackthebracketarmsteelpipeandnolongerbecomeslesscrowded.WillstrengthensteelpipeL1andL2firstinsertsclothesrackinseparatelythebracketarmsteelpipe,andwillusethemthescrewjointnottobeabletogetup,thenwillscrewtightcausestwoshoulderstodependonstrictly,willholdlooksstrengthensthesteelpipeaftertheposition,afterwilloccupyseparatelyitsscrewtoptheposition,separatelyandtwowillwelditsscrewtopplacethejailalreadytobepossible.Clothesrackthebracketarmsteelpipecratermustmaketheincline,whenthesteelpipespoolthreadperpendicularlineincludedanglefor1030between,likethedamageisthemulti-rootsteelpipe,shouldchoose10.Here,againearnestlysurveysclothesrackthebracketarmsteeltubeweldinggoodafteractualgapsize,andreferstotheshapewhichshowninFigure2,thenextsectionofsteeltubingmaterial,thebothsidesmake30inclines,cutsopentheweldingalongamonginclothesrackinthebracketarmsteelpipegap;Finishingtouch,paintsthenThistime,4steelpipesallmustweld,thereforeshoulddefertoFigure4requeststhevehicletomake4insidediameterstostrengthenthetube,aftertheinsidediameterstrengthenswallthicknesswhichthetubeturningremainstobesupposednottobebiggerthanclothesrackthebracketarmsteelpipethickness,themiddlecraterslopemustbeabletosatisfythestrengthofaweldtheneed.Atthesametime,theentireclothesrackbracketarm4steelpipeweldingpositionmuststagger,cannotintheidenticallateralsection,alsoeachsteelpipecraterinitsspoolthreadperpendicularlineincludedangleshouldbe10.Weldsrepairstimemustpayattention:Choosestheappropriateweldingrodandthematerialqualityreasonablestrengthensthesteelpipe;Alsomustpayattentiontotheambienttemperatureinthefallwinterseasonandweldtheexplanationlaborembryoclampingapparatusandsoontoentiretoweldrepairsthequalitytheinfluence,aswellastheweldingcircumferenceweldedjointdonothavetobeverticalwiththeoriginalsteelpipelengthdirection.Theweakclothesrackbracketarmgoesagainstthesheavepintlethewearingcapacitytosurpassthefullsizetime5%,namelyshouldreplace.Whenexamination,clothesrackthebracketarmwillplaceinabearingpoint,willcausetoliftthesteelwiretorelax,thehandwillpushthepulleyifwillrockthequantitytobeverybig,willhavetodismantlewiththerulersurveys,otherwiseaddedanoiltobepossible.Toconnectsthecrownarmfestival(lifthookblockandtackle),themiddlearmfestival(expandsandcontractscylinderfixedly),thefoundationarmfestival(withturnplate,amplitudecylinder,keepsoffcordpulleyaxis)andsoonplacetoselltheaxisalsotohavetoinspectfrequently.Whenitswearingcapacityachievedwhenfullsize5%,mustreplacepromptly.Wheninspection,alsoisplacesclothesrackthebracketarminabearingpoint,dismantlesone,inspectsone,againinstallsone,byrootinspection,untilcheckoff.Inspectsthelifthookthemarkandguardsagainstescapesinstallswhetherconformstotherequirement,flawsandsoonlifthookwhetherthereiscrack,stripping;Thelifthookcrosssectionwears,theapertureincrease,thetorsionaldeflection,whetherexceedstheallowedfigure;Thelifthookpateandthesuperficialwhetherthereiswearydistortion,thecrackanddothecorrelationselltheaxis,thewrapattritionsituation.Theinspectionsteelwirespecification,themodelandthepulleyreelmatcheswhetherconformstothedesignrequirement.Steelwiresteelwireattachmentsystemsandsoonfixedendclamp,lineanchor,agreementblockwhetherconformstotherequirement.Thesteelwireattrition,breaksthesilk,thekinking,compressing,thebend,breaksthestock,thecorrosionandsoonwhetherexceedstheallowedfigure.Brakeestablishment,brakepatternwhetherconformstothedesignrequirement,brakeflawsandsoontensionbar,springwhetherthereiswearydistortion,crack;Sellstheaxis,thespindle,thebrakepulley,thebrakeliningplatewhetherwearsexceedstheallowedfigure,hydraulicbrakewhetheroilleak;Appliesthebrakethegapadjustment,whetherbrakepowerconformstotherequirement.Thereelbody,doesthetubereasonwhetherthereisfatiguecracking,damageandsoonthesituations;Theropetroughandthetubewallwearswhetherexceedstheallowedfigure;Whetherthereelwheelrimhighlyanddoesthesteelwiretwinethelayertomatch;Guiderope,wirelineguideworkingconditionwhetherconformstotherequirement;Whetherthepulleyisequippedwithguardsagainstescapestheropetroughinstallment;Pulleyropetrough,wheelrimwhetherhasthecrack,theraggededges,theattritionexceedstheallowedfigureandsoontheconditions,thepulleyrotateswhethernimbly.Thespeedreducermoveswhenwhetherthereisfiercemet
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 新编秘书实务(第5版)-习题与答案 第4章 沟通与协调工作
- 福建省华安一中、龙海二中2024年高三第二次调研化学试卷含解析
- 期末复习+圆锥曲线(一)题型训练 高二上学期数学人教A版(2019)选择性必修第一册
- 《简 爱》 名著导读 中考总复习
- 2024-2034年中国牛皮衣行业供需分析及发展前景研究报告
- 新教师个人总结(22篇)
- 2023教师教育教学评奖个人事迹简介10篇
- 公司年会领导上台致辞稿
- 公司中层岗位竞聘演讲稿(22篇)
- 大学生实习心得体会
- 承包商安全作业规程
- 国开(中央电大)专科《机械制图》网上形考(任务一至四)试题及答案
- 新概念英语第一册Lesson 51-52知识点梳理
- 消防系统维修报价单
- 2023年济南城市投资集团校园招聘笔试题库及答案解析
- 教师师德个人档案
- 三年级下册口算天天100题(A4打印版)
- 上海交通大学学生生存手册
- 中交运用BIM技术打造信息化智慧地铁工程
- 写作借鉴辞退园长职务申请书(7篇)
- 2022年湘潭技师学院教师招聘笔试题库及答案解析
评论
0/150
提交评论