资源描述：
《电梯基础知识(英文).doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、6DoorsystemAsanintegratedandimportantpartinlift,doorsystemisusedasapassageforpassengers.Itisthefirstunitpassengerswillencounter,soitsqualityhasadirectimpactonthewholeevaluationofthelift.Fromabovementioned,therearetwotypesofdoors:slidingdoorandrotaryd
2、oorandtheformerisfrequentlyused.Forrotarydoorwhichisusuallyusedinsmallapartments,landingdoorispulledorpushedaftercarstopsonlanding。landingdoorislockedifcarisnotonlanding.Ithardlyoccupiesanywellspace,sorotarydoorisespeciallyapplicabletolifewithoutcard
3、oor.b5E2RGbCAPAccordingtoitsdooropendirection,slidingdoorcanbeclassifiedintocentral-parting,partial-openingandverticalbi-partingdoor。p1EanqFDPw6-1Cardoorsystemanddooroperator6-1-1CardoorsystemCardooriscomposedofcardoorhead,doorslingboard,cardoorandsa
4、fetyedge(orlightcurtain>,asshowninfigure6-1.DXDiTa9E3dMadeof3mmsteelboard,cardoorheadisfixedinthefrontofcartop.Ondoorheadismountedguiderails。supportedandguidedbyrails,cardoorisrunning.RTCrpUDGiTCardoorslingboardisusedtohoistcardoor.Onslingboardare14/
5、14mountedtwogroupsofslingrollerstosupportrails.Drivenbyslingrollers,cardoorwillslidealongguiderails.Belowtheslingrolleraretwogroupsoflockrollerswithdeflectingaxis,whicharefastenedbelowguiderails。thegapbetweenlockrollerandlowerspaceofguiderailscanbead
6、justedbymeansofdeflectingaxis,topreventslingboardfromfallingoutofrails.5PCzVD7HxAOrdinarysteelcardoorismadeof1.5mmcoldreducedsteelboard,withbackwelded.Accordingtocustomers’requestandcardecoration,ordinarysteeldoorcanbestuckwith0.7mmthick-hair-linesta
7、inlesssteelorglassstainlesssteelboards.jLBHrnAILgCardoorcanalsobemadeof1.5mmstainlesssteel.xHAQX74J0XAssafetypart,doorsafetyedgeismountedoncardoor.Central-partingdoorcanbeequippedwithdoublesafetyedgeorsinglesafetyedge,accordingtocustomers’request.Ext
8、eriorhemofsafetyedgeisalwaysprotrudingdooredgeby26mm.Whencardoorisclosing,ifsafetyedgetouchespassengersorobject,safetyedgeswitchwillclose,givingoffdoor-opensignals,makingcardoorre-open,thusplayingaroleinprotecting.LDAYtRyKfEMostmodernliftsareequipped
