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How to unlock the chain winding
Release time:
2018-03-26
Abstract:
Everyonewhorunstheboatknowsthattheanchorisakindofsteel-madeship-stoppingdevice.Itisconnectedtotheshipwithanironchainandthrowntothebottomofthewater.Withouttheanchor,theshipcannotbestopped.Itcanbeseenhowmuchtheanchorworks.Fortheanchorchainlinkingtheshipandtheanchor,itismoreimportant.Withouttheanchorchain,theanchorcannotbeconnectedwiththeship,andtheroleoftheanchorlosesitsmeaning.Sometimes,theanchorchainbetweentheshipandtheshipwillbeintertwinedforvariousreasons.Howtoseparatethembecomesthemostconcernedtopicforthecrewmembers. Whenitcomestotheproblemofchainentanglement,itwilloftenbeencounteredinships.Sometimeago,inMaanshanPortArea,MagangTow1001isanchoringthetowed41055,21288twodockeddockstoloadShanghaimine.Duringtheanchoringprocess,thetwoanchorchainswerefoundtobetightlywoundtogether.Despitemanyefforts,ithasnotbeenabletounravel,andthenumberoneiswaitingforloading.Ifthenextdayisnotsolved,theterminalplanwillchangetheunloadingtype.Thetworeversalsdonotknowhowmanydaystowaitfortheunloading.Analysisofthereasonsfortheentanglementofthetwoshipswasmainlyduetothestrongwindsandthetidalwatersbeforetheshipturnedaround,causingthetwoanchorchainstobetwistedandentangledtogether. Theexpertsfirstsummonedthetwobargeerstoopenthesitetoanalyzethereasons.Afterunderstandingthedetailsofthechainwindingandtheprocess,andcarefullyobservingthebowoftheship,itwasdeterminedthattheA41055bargechainwasentangledontheA21288bargechain.Expertsrelyontheiryearsofexperienceindealingwiththeanchorchain,immediatelyaskedthecrewtodropanotheranchor,firststabilizethepositionoftheship,andthenthetwoanchorswillbedetachedatthesametime,thenhoisted,thenPanasonicandthenhoisted,Afterseveralroundtrips,thetwoanchorchainswereseparatedfromthemselves!Immediately,theyimmediatelynotifiedtheportthattheanchorchainhadbeensuccessfullyreleasedandcouldbeunloadedatthedock.Afteraquarterofanhour,theportwasdraggedbytheship,andthetwobargesweresuccessivelyonthedock. Intheprocessofdouble-anchorchain,theshipwillhaveatwistedconditioncausedbywindandwater.Ifasingleflowerordoublefloweroccurs,wemustclearitimmediately.Ifitisnotclear,thenthebigshipisnotavailable.Sailing.Cleaningthechainisaverydifficultjobandrequiressometechnicalcontent.Themainwayistousethetugboattosolveonebyone.Let'stalkaboutitbriefly. 1)Doagoodnumberofcablesandseveralshacklesforhangingcables,etc.Ifyoucanputdownalifeboattohelpyou. 2)Twistthe“forcechain”toletthestrandsfloattothewater.Ifnecessary,useawhitecabletotietheknotunderthestrandstoavoidthefallingofthestrands. 3)Releasethehangingcableandthesafetycablefromthesideoftheshiponthesideofthe"IdleChain"toconnecttheshackletoit.Oneendofthehangingcableandthesafetycablearewrappedaroundthebollardoftheship'shead. 4)Clamptheidlerchainwithaspecialmachine,thenusethewindlasstoreleasetheidlerchainonthedeckandwaituntilanotherconnectinglinkisplacedonthedeck. 5)Opentheconnectinglink,howquicklythecablecanbeuntwistedinthechainoftherearchain,andtheotherendofthecableisfixedonthebollard. 6)Attachoneendofthecabletothechainlinkonthebackoftheremovedidlechain,theotherendfromtheidlechain,wrapitaroundtheotherdirectionaroundtheidlechain,andpullitbackfromtheidlechain.Onthereel. 7)Openthechainsplicer,takebackthecable,relaxthecable,andletthezipperchainwraparoundtheforcechain,andstillreceivethedeckfromthecablethroughtheidlechain. 8)Ifitisasingleflower,youcanattachthechainlink,letgoofthecableandsendthecable,andtightenthechain.
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