1、Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIBRITISH STANDARD BS EN 13232-3:2003 Railway applications Track Switches and crossings Part 3: Requirements for wheel/rail interaction The European Standard EN 13232-3:2003 has the sta
2、tus of a British Standard ICS 45.080 Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIBS EN 13232-3:2003 This British Standard, was published under the authority of the Standards Policy and Strategy Committee on 29 August 2003 BSI 2
3、9 August 2003 ISBN 0 580 42538 X National foreword This British Standard is the official English language version of EN 13232-3:2003. The UK participation in its preparation was entrusted to Technical Committee RAE/2, Railway track components, which has the responsibility to: A list of organizations
4、 represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence
5、Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself
6、confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and prom
7、ulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 16, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publ
8、ication Amd. No. Date Comments Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN132323 August2003 ICS45.080 Englishversion RailwayapplicationsTrackSwitchesandcrossingsPart3: Requireme
9、ntsforwheel/railinteraction ApplicationsferroviairesVoieAppareilsdevoiePartie 3:ExigencespourlinteractionRoue/Rail BahnanwendungenOberbauWeichenundKreuzungen Teil3:AnforderungenandasZusammenspielRad/Schiene ThisEuropeanStandardwasapprovedbyCENon13February2003. CENmembersareboundtocomplywiththeCEN/CE
10、NELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinth
11、reeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,
12、France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Al
13、lrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN132323:2003E Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132323:2003(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4
14、3 Introduction 4 3.1 General4 3.2 Wheelandtrackdimensions 4 3.3 Wheelprofiles .4 3.4 Wheelsets .5 3.5 Railandtrack 5 3.6 Tolerancesandwear . 6 3.7 Contactzone .7 3.7.1 Contactprofile. .7 3.7.2 Contactdangerzone . 7 3.7.3 Flangewaydepth. .7 4 Guidanceprinciples. 7 4.1 GuardandcheckRails . .8 4.2 Whee
15、lsetguidance . .8 4.2.1 Angleofattack . 9 4.2.2 Flangeway.9 4.2.3 Gaugewidening .10 4.2.4 Checkrailandcommoncrossingnose. 10 4.2.5 ObtuseCrossings 10 4.3 Transitionalguidance. .12 4.4 Entryflares .12 5 Wheelloadtransfer. .12 5.1 Sufficiencyofbearingarea. 13 5.2 Transfersurfaces. 15 5.3 Methodofasses
16、sment 15 6 Insufficientwheelsupportorguidance .15 6.1 Commoncrossings .15 6.2 Obtusecrossings .15 6.3 Movablecrossings. 15 Bibliography 16 Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132323:2003(E) 3 Foreword Thisdocument(EN1
17、32323:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC 256“Railway applications“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyFebruary2004,andconflictingnationalstandardsshallbewithdrawn
18、atthelatest byFebruary2004. ThisseriesofEuropeanStandards“RailwayApplicationsTrackSwitchesandCrossings”coversthedesignand qualityofswitchesandcrossingsinflatbottomedrail.Thelistofpartsisasfollows: Part1:Definitions Part2:Requirementsforgeometricdesign Part3:Requirementsforwheel/railinteraction Part4
19、:Actuation,lockinganddetection Part5:Switches Part6:Fixedcommonandobtusecrossings Part7:Crossingswithmovableparts Part8:Expansiondevices Part9:Layouts Part1containsterminologyusedthroughoutallpartsofthisseries.Parts2to4containbasicdesignguidesand areapplicabletoallswitchandcrossingassemblies.Parts5t
20、o8dealwithparticulartypesofequipment,including theirtolerances.Part9definesthefunctionalandgeometricdimensionsandtolerancesforlayoutassemblies. TheseuseParts1to4asabasis. ThefollowingtermsareusedwithintodefinethepartiesinvolvedinusingtheEuropeanStandardasthetechnical basisforatransaction: Customer t
21、heOperatororUseroftheequipment,orthePurchaseroftheequipmentontheUsersbehalf; Supplier thebodyresponsiblefortheuseoftheEuropeanStandardinresponsetotheCustomers requirements. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEu
22、ropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2
23、003, Uncontrolled Copy, (c) BSIEN132323:2003(E) 4 1Scope ThispartofthisEuropeanStandardspecifies: characterisationofwheelandtrackdimensions; geometricdesignprinciplesforwheelguidance; designprinciplesforwheelloadtransfer; decidingwhethermovablecrossingsareneeded. Theseareillustratedbytheirapplicatio
24、ntoturnoutcomponents: switches; crossings; check rails. buttheprinciplesapplyequallytomorecomplexlayouts. 2 Normativereferences Notapplicable. 3Presentation 3.1General Themotionofwheelsandtransferofwheelloadsisacomplexsubject,involvingtheaccumulationofextensive dataandanunderstandingofdynamiceffects
25、. Bymakingcertainassumptionsitisfeasibletodefineruleswhicharesimpleyetrigorousenoughfordesignofall typesofswitchesandcrossings.Someoftheserulesassumea2axlebogieorvehicle.Theneedforotherspecial requirementssuchasthoseposedby3axleorothervehiclesmustbestatedbytheCustomer. 3.2 Wheelandtrackdimensions Th
26、isclausedealswiththekeydimensionsneededfortheanalysisoftheinteractionbetweenwheelsandthetrack, eitherforguidancecalculationsorloadtransfercalculations. Wheelandtrackdimensionsaredefinedbelow. 3.3 Wheelprofiles Sufficientdimensionsofthecrosssectionorprofileofawheelarerequiredforswitchandcrossingdesig
27、n.Asa minimum,adimensionedprofiledrawingshallbeprovidedbythecustomer,withthefollowingkeydimensionsas definedinFigure1: flangewidth,heightandflangeangle; tyrewidthandtreadangle; wheeldiameterorradius. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrol
28、led Copy, (c) BSIEN132323:2003(E) 5 Key 1 Tyrewidth 6 Dangerzone 2 Flangeangle 7 Contactpoint 3 Flangewidth 8 Wheeldiameter 4 Wheelbacktoback 9 Treadangle 5 Flangedepth Figure1Keywheeldimensions(inadditiontoprofiledetails) 3.4Wheelsets Additionalparametersrelatedtothewheelsetsarerequiredforcalculati
29、onsforwheelsetguidance.TheCustomer shallprovidethefollowingparametervalues: wheelbacktoback(seeFigure1); axle spacing; numberofaxles; clearanceofmiddleaxles,ifapplicable; bogiespacingandminimumcurveradiusforvehicles. 3.5 Railandtrack Thekeyparametersrelatedtothetrackgeometrywhichareusedincalculation
30、sforwheelsetguidanceareshown inFigure2andlistedbelow: centrelineradius( R); trackgauge( G); dimensionfornoseprotection(checkgauge)( F); wing flangeway ( D). Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132323:2003(E) 6 Key 1 H
31、ighside 2W i n g 3 Check 4 Lowside Figure2Keytrackdimensions andthefollowingshallbeprovidedbytheCustomer: maximumpermissiblecheckrailheightaboverunningtable( H). 3.6Tolerances and wear Itisnecessarytoconsidertolerancesandwearinordertodesigncorrectly.Thesearealternativelyreferredtoas manufacturingtol
32、erancesandservicetolerances. IftheCustomerprovideswornwheelprofilesoramountsofwear,thentheseshouldbeused.Otherwisethe assumptionsmadebytheSuppliershallformthebasisfordesign,andtheseshallbestated.Examplesofkey areasofwearare: backofwheelflanges; frontofwheelflanges; false flanges; flange angle. Locat
33、ionsoftypicallateralwheelandtrackwearareshowninFigure3.Thesemustbetakenintoaccountwhen designingflangewaygaps.Seeclause4. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132323:2003(E) 7 Key 1 Falseflange 4 Wingwear 2 Guardorchec
34、krailwear 5 Wheelwear(front) 3 Wheelwear(back) 6 Veewear Figure3Locationsofwheelandrailwear Verticalwear,examplesofwhicharealsoillustratedinFigure3,ismorerelevanttowheelloadtransfer.See clause5. Falseflangesaretobeavoidedastheywillincreasewearaswellastherateofdamagetoswitchesandcrossings. 3.7 Contac
35、tzone Forswitchandcrossingdesign,thereareissueswhichshallbeverifiedduringdesign.Theseareasfollows. 3.7.1 Contactprofile Therelativeradiiofwheelandrailshallbetakenintoaccount. 3.7.2 Contactdangerzone ThewheelprofilesuppliedbytheCustomershallindicatethedangerzoneforguidancecontact,whichisthatpart ofth
36、ewheelflangewhichfallsontheflangeradiusandwhichthereforeexceedstheangleforsafeguidance.The switchandcrossingSuppliershallensurethatguidancecontactdoesnottakeplacewithinthiszoneforbothnew andwornwheels,exceptwhereitisagreedthatflangerunningisanormaloperatingregime. ThedangerzoneisillustratedinFigure1
37、. 3.7.3Flangeway depth Thedepthoftheflangewayshallbesufficienttopreventflangesfromrunningontheflooroftheflangewayexceptif otherwiserequiredbytheCustomer.Thisshallbeverifiedconsideringtheincreaseddepthofflangeofamaximum wornwheelandwiththeshallowflangewayofamaximumwornrunningsurfaceofarail. 4 Guidanc
38、eprinciples Theguidanceofawheelsetthroughswitchesandcrossingsconcernsmainlythelateralorhorizontaldimensionsof wheel,axle,andtrack.Notethat,inFigures5,6and7,thewheelsareshowninasimplifiedformasellipsesatthe gaugereferenceplane. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre,
39、 30 October 2003, Uncontrolled Copy, (c) BSIEN132323:2003(E) 8 4.1 GuardandcheckRails Guardandcheckrailsarerailswhichbearonthefaceofthewheel(usuallythebackface)toprovideguidance withoutloadbearing. Figure4a)CheckRail(normallyactive) Figure4b)GuardRail(normallypassive) Figure4Activevpassiveguarding O
40、perationofguardandcheckrailsdependsonwhethertheyareintendedtobepassiveoractive.Passiveguard railscomeintooperationafterincipientderailmentandareintendedtorerailwheelsoncetheyhavebeguntoclimb theoppositerunningrail. Activecheckrailsareintendedtomakecontactwiththebackofthewheelflangeundernormalconditi
41、onsof operationinordertoprotecttheoppositerunningrail.SeeFigure4. 4.2 Wheelsetguidance Inordertodeterminewheelsetguidance,itisnecessarytomakeanassumptionofthewayinwhichthewheelsetis constrainedtomove.TheassumptionisshowninFigure5.Whenthew heelset,bogieorvehicleiss uperimposed uponthetrack,itmovesalo
42、ngatrajectorywhichisskewedrelativetothetrackrunningedges. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132323:2003(E) 9 Figure5a)Unchecked Figure5b)Checked Key 1 Highside 5 Leadingaxle 2 Lowside 6 Clearance 3 Angleofattack 7 C
43、heck 4 Trailingaxle 8 Wing Figure5Wheelsettrajectory Giventheassumptionofthemodeofrunningandtheresultingangleofattack,itispossibletodeterminethe adequacyoftheflangeway,theeffectivenessofprotectiontothecrossingnose,andthesupportforwheelload transfer. Theassumedtrajectoryprovidesfortheworstcase,orthemaximumpossibleangleofattack,andsubjectsthe leadingwheeltotheclosestcontactwithacrossingnose,andsubjectsthetrailingwheeltothepoorestload transfer. 4.2.1 Angleofattack Thegreatestangleofattackisachievedwhenthewheelsetisrunningaroundacurve.Forcurveswithoutcheck rails,thebogiewilltravelasinFigure5a,wit
