选择起吊装置的考虑?InBillMail:…Ithinkthefirstthingweneedtodoislookattheoptionsfordetectorsandvetosystemandgettheapproximatesizeofthehallsandwaterpoolorpit.Todothis,wewillneedtoinvestigatetheplatformliftingorraisingsystem–•ballscrew(滚珠螺旋机构),•crane(吊车—桥式起重机?);•4wallmountedmotordrivenspoolswithcounterweightslikeadrawbridge(马达驱动滑轮机构+配重);•hydraulics(液压装置);•rack/pinion(齿轮箱。选择的主要考虑:•功能:起吊,运转方向;安全可靠;简捷便利;•成本:装置价格;占用空间(土石方量?);•其他:与运输装置的衔接;实验厅的总体设计;维护保养······HighqualitySKFballscrewassembliesarehigh-qualityproducts,suitableforawiderangeofapplicationswhereprecisiondrivingsystemsareneeded.CompleteassembliesForreducedquantitiesandforalltypesofnuts,SKFprovidescompleteassemblieswithcustomisedscrewshaft.Acompleterangeofaccessoriesisavailableandcanbedeliveredcompletelyassembled.Relatedlinks:>Nutforballscrewwithrecirculationbyinsertvideo>Nutforballscrewwithrecirculationbytubevideo>Nutforballscrewwithrecirculationbyfacevideo(滚珠螺旋机构)Fasterwithlessinertia!Thenutrotatesinsidebearingsandmovesalongthefixedlongleadscrewshaft.Thedrivemotormoveswiththenut,soinertiaandcriticalspeedproblemsassociatedwithalongrotatingshaft,areminimised.BenefitsEasy&simpleincorporationCompactsolutionreadytouseSimplifiedmountingReducedinertiaandhigherlinearspeeds,upto110m/minApplicationswoodworkinglasercuttingmillingmachinesforaluminiumHighprecisionrolledscrewsSKFhasdevelopedauniqueCNCprocessandequipmentforhighprecisionrolledscrews.ThecombinationofHightechmachinesandthecontrolofthecoldformingandmetallurgicalprocessesresultinascrewthathasvirtuallythesameaccuracyandperformanceofagroundunitatalowercost.BenefitsHighprecisionSmoothrunningwithpreloadedandnonpreloadeddesignsHighloadcapacitiesThecostofrolledwiththeperformanceofgroundSKFofferscompletescrewassembliescustomisedtocustomerdrawings,inthreedesignstocovermostrequirements.Expediteorderswithinveryshortdeliverytimeforreducedquantities.SKFoffersawiderangeofgroundballscrewstocoverallrequirements:Flangednutwithinternalpreload,DINstandarddoublepreloadedflangednut,DINstandarddoublecylindricalpreloadednut,ortailor-madeproducts.SKFofferscompletescrewassemblieswithmachinedends,tocustomerdrawings.Nutsarealsoavailablewithaxialplay.单一方向的起吊提升;支撑装置;驱动装置;必备的辅助装置(如:导轨);与运输装置的衔接?维修?优点:较少的土石方量?Veto水箱的安装维护,需要吊车前后左右移动?!主探测器的安装维护,同样需要吊车前后左右移动?!•ballscrew(滚珠螺旋机构),•4wallmountedmotordrivenspoolswithcounterweightslikeadrawbridge(马达驱动滑轮机构+配重);•hydraulics(液压装置);•rack/pinion(齿轮箱。•crane(吊车--桥式起重机);首选?•寻找其他更好的选择?左极限尺寸L1=2960,右极限尺寸L2=2000,主副钩间距L=1460;吊车H=3980,吊钩h=1800;重量:(起重机+小车):载荷~1:1(摘自太重网站)如果选定吊车,那么要考虑的因素:•支撑导轨;•天车空间;•维修通道;•操作空间;•隧道设计:使天车能运进、安装;•巨大的土方量?目前的工作,是否按用吊车的思路?工程任务的选择与费用分担:•承担全部大型装置?(因为不宜于从国外运输?)•部分承担?•费用分担?—更细致工程要求?更详细的报价?