3 outfitting (eva) 建造 规格书 船舶

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1、3-HULLOUTFITTING3.1MANOEUVRINGSYSTEM3.1.1STEERINGGEAROne(1)setofelectro-hydraulic,1rams–2cylinderstypesteeringgeartobeinstalledinthesteeringgearroom.Thesteeringgeartoconsistoftwo(2)hydrauliccylindersofcastiron,one(1)ramsofcarbonsteel,one(1)tillerarmofcaststeel

2、withthekey,two(2)electro-hydraulicpumpunits,valvesbox,hydraulicpiping,instruments,etc.Thesteeringgearshallbeconnectedtotherudderstockbykeywithhydraulicmethod.Eachoftheelectro-hydraulicpumpunitsshallhave100%ofthecapacityandwillbesolenoidvalveoperated.Allpartsof

3、thesteeringgeartobedesignedandequippedinaccordancewiththerequirementsoftheClassificationSocietyandtheRegulatoryBodies.Thesteeringgeartobeoperatedbyoneofthepowerunits,whiletheotherunittobeofstand-by.Thesteeringgeartobecapableofputtingtherudderfrom35deg.ononesid

4、eto35deg.ontheothersidewiththevesselrunningaheadatthesummerloadwaterlinewiththemaximumcontinuousratedpowerofthemainengine.Thecapacityofeachpowerunittobesuitableforsupplyingthesufficientpowerforsteeringtherudderfrom35deg.oneithersideto30deg.ontheothersidewithin

5、28secondsundertheabovecondition.Thesteeringgearistobeincorporatedwithautopilotsystem.Thesteeringgearshallalsobecontrolledmanuallybyalocalcontroldevice,fittedonthesteeringgearinsteeringgearroom,foranemergencyoperation.Efficientmeansofcommunicationwiththewheelho

6、usetobeprovided3-45adjacenttothelocalcontroldevice.Incaseofmainpowerfailure,electricpowertobefedfromemergencygeneratortooneofthepowerunitsautomaticallywithin45secondsinordertosteertherudderandbecapableofputtingtherudderoverfrom15degreesontheothersideinnotmoret

7、han60secondswiththeshipatit’sdeepestseagoingdraftandrunningaheadatonehalfofthemaximumaheadspeedor7knots,whicheveristhegreater.AlowlevelswitchtobeprovidedforoiltanktogiveaudibleandvisualalarmonbridgeandintheEngineControlRoom.One(1)setofstorageoiltankwithheating

8、meansifnecessarytobeprovidedinaccordancewiththerequirementsoftheClassificationSocietyandRegulatoryBodies.Thereliefvalvestobefittedinhydraulicsysteminordertoavoidanundueriseinpressu