BS EN 14183-2003 Step stools《脚踏凳》.pdf

1、BRITISH STANDARD BS EN 14183:2003 Step stools The European Standard EN 14183:2003 has the status of a British Standard ICS 97.145 BS EN 14183:2003 This British Standard, was published under the authority of the Standards Policy and Strategy Committee on 24 December 2003 BSI 24 December 2003 ISBN 0 5

2、80 43201 7 National foreword This British Standard is the official English language version of EN 14183:2003. It supersedes BS 7377:1994 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee B/512, Ladders, which has the responsibility to: A list of organiz

3、ations 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 Correspon

4、dence 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 i

5、tself 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 an

6、d promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 15 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No.

7、 Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN14183 December2003 ICS97.145 Englishversion Stepstools Escabeaux Tritte ThisEuropeanStandardwasapprovedbyCENon14November2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope a

8、n Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemad

9、ebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Ne

10、therlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnatio

11、nalMembers. Ref.No.EN14183:2003EEN14183:2003(E) 2 Contents Page Foreword. 3 1 Scope . 4 2 Normativereferences . 4 3 Termsanddefinitions. 4 4 Functionaldimensions,designations,requirements 5 4.1 General. 5 4.2 Stepstoolwithfixedorfoldinglegs . 7 4.3 Rigidorfoldingstairtypesteps . 8 4.4 Foldout/pullou

12、tstepstool . 9 4.5 Dometypestepstool. 11 5 Additionalrequirements. 11 5.1 Materials. 11 5.2 Stepsandplatforms . 12 5.3 Slipresistance. 12 5.4 Openingrestraintandcompressionsecuritydevices 12 5.5 Design 12 5.6 Surfacefinish 12 5.7 Hinges(turningpoints) . . 12 5.8 Padding 13 6 Testmethods . 13 6.1 Gen

13、eral. 13 6.2 Verticalstaticloadtestofstepsandplatforms . 13 6.3 Determinationoffrictioncoefficient . 13 6.4 SeatSuitabilityTest. . 14 7 Instructionsforuse 14 8 Marking 14 Bibliography . 15EN14183:2003(E) 3 Foreword Thisdocument(EN14183:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC93,“Ladders”,the s

14、ecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyJune2004,andconflictingnationalstandardsshallbewithdrawnat thelatestbyJune2004. Note Arevisionofthisstandardisintended,takingintoaccounttheresu

15、ltsoftherevisionofEN131. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands, Norw

16、ay,Portugal,Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN14183:2003(E) 4 1Scope ThisEuropeanStandardspecifiestherequirementsforstepstools,stairtypestepsanddometypestepsstools. Thisincludesdesigncharacteristics,dimensions,materials,performancerequirements,testmethodsandthe declarationofsuit

17、abilityofuse.ThestandardexcludesladdersandstepladdersasdefinedbyEN1311:1993. Therequirementsarebaseduponthemaximumtotalloadof150kg. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesi

18、nthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies(includingamendments). EN719, Weld

19、ingcoordinationTasksandresponsibilities. EN7291, QualityrequirementsforweldingFusionweldingofmetallicmaterialsPart1:Guidelinesfor selectionanduse. EN7292, QualityrequirementsforweldingFusionweldingofmetallicmaterialsPart2:Comprehensive qualityrequirements. EN7293, QualityrequirementsforweldingFusion

20、weldingofmetallicmaterialsPart3:Standardquality requirements. EN7294, QualityrequirementsforweldingFusionweldingofmetallicmaterialsPart4:Elementary qualityrequirements. EN12526, CastorsandwheelsVocabulary,recommendedsymbolsandmultilingualdictionary. 3 Termsanddefinitions ForthepurposesofthisEuropean

21、Standard,thefollowingtermsanddefinitionsgiveninEN12526forcastors andwheelsandthefollowingapply. 3.1 stepstool stoolwithaseatorplatformdesignedforsittingandstandingonwhichalsoincorporatesoneormoresteps 3.2 stairtypesteps structurewithdeepstepsandshallowclimbingangle 3.3 dometypestepstool structureasc

22、endablefromtwoormoresideswithaplatformandwithorwithoutanintermediatestepEN14183:2003(E) 5 3.4 componentsofstepstools 3.4.1 step climbingsupport 3.4.2 platform/seat uppermostsupportforstanding/sittingon 3.4.3 accendingleg ascendablesideofastepstool 3.4.4 supportingleg sideofastepstoolthatcannotbeasce

23、nded 4 Functionaldimensions,designations,requirements 4.1General Thedrawingsareexamplesonlyandproductsneednotcorrespond.However,dimensionsarebinding.Step stoolsshallonlybefittedwithstepsthatareuniformlyspacedtowithinatoleranceof 2mm. Ifthetopsurfaceislessthan240mm 400mm,thestepstoolorstairtypestepsw

24、ithaheightofmorethan 750mmshallhaveahandrail. Alltypesofproductscoveredbythisstandardmaybefittedwithcastorsandwheels.EN14183:2003(E) 6 Table1Nomenclatureandsymbols A Stepstoolwithfixedlegs B Stepstoolwithfoldinglegsthatarebracedwheninuse C Stairtypesteps D Stepstoolwithfoldoutsteps E Stepstoolwithpu

25、lloutsteps Symbols F Dometypestepstool h Heightfromthefloortothetopsurfaceoftheplatformorseat a Heightfromthefloortothetopsurfaceoftheloweststepand betweenthetopsurfacesofsubsequentsteps,platformorseat b 1 Widthofplatformorseat b 2 Widthacrosstheouteredgesoflegsatfloorlevel b 3 Widthofeachstep b 5 D

26、epthofplatformorseat b 6 Depthacrosstheouteredgesofthelegsatfloorlevel b 7 Depthofallsteps b 8 Depthofstairtypestepstools a Anglebetweenthehorizontalandtheleadingedgesofallclimbing supports. Quantities b Anglebetweenthehorizontalandanimaginarylinedrawn betweentherearedgeoftherearlegsatfloorlevelandt

27、herear edgeoftheplatformorseat. Table2Functionaldimensionsforalltypesofstepstools Dimensionsinmillimetres h a b 1 b 2 b 3 b 5 b 6 b 7 b 8 ab min. 300 b 1 +0,1 h 250 200 b 5 +0,1 h 80 150 45 45 max. 1000 a 250 600 70 b 87 a 500mmfordometypestepstools b 80forheights 500mmEN14183:2003(E) 7 4.2 Stepstoo

28、lwithfixedorfoldinglegs Thereshallbenogapbetweentheprojectionofthestepstotheground(seeFigure1b). Designationofastepstoolwithfixedlegs(A)withthreesteps: StepstoolEN14183A3 Designationofastepstoolwithfoldinglegsthatarebracedwheninuse(B)withthreesteps: StepstoolEN14183B3 Figure1aStepstoolwithfixedorfol

29、dinglegs Figure1bOverlappingofstepsforstepstoolsEN14183:2003(E) 8 4.3 Rigidorfoldingstairtypesteps Thereshallbeaminimumof150 mmnotoverlappingdistancebetweenthesteps(seeFigure2b). Designationofstairtypesteps(C)withthreesteps: StepstoolEN14183C3 Figure2aStairtypesteps Figure2bOverlappingofstepsforstai

30、rtypestepsEN14183:2003(E) 9 4.4 Foldout/pulloutstepstool Designationofastepstoolwithfoldoutsteps(D)withthreesteps: StepstoolEN14183D3 Figure3StepstoolwithfoldoutstepsEN14183:2003(E) 10 Designationofastepstoolwithpulloutsteps(E)withthreesteps: StepstoolEN14183E3 Figure4StepstoolwithpulloutstepsEN1418

31、3:2003(E) 11 4.5 Dometypestepstool Theplatformshallhaveaminimumareaof600cm 2 andshallincludeasquareof200mm 200mm. Designationofadometypestepstool(F): StepstoolEN14183F Key 1 Topplatform Figure5Dometypestepstool 5 Additionalrequirements 5.1Materials 5.1.1General Therequirementsformaterialsonlyapplyto

32、loadbearingcomponents. 5.1.2Plastic Whenusingplasticmaterials,ageingandtemperatureresistancehavetobetakenintoaccount. Glassfibrereinforcedplasticsshallbeprotectedagainstpenetrationofwateranddirt.Thesurfaceshallbe smooth.Thefibresshallbeembedded. 5.1.3Steel Partsmadeofsteelshallhaveathicknessofatleas

33、t0,90mm. 5.1.4Aluminium Partsmadeofaluminiumshallhaveathicknessofatleast1,20mm.EN14183:2003(E) 12 5.2 Stepsandplatforms Topsurfacesofstepsandplatformsshallhaveresistanceagainstslipping. Thecontactsurfaceofthecoveringsshalladherefirmlytothesteps. Stepsandplatformsshallbefirmlyanddurablyconnectedtothe

34、stiles. Whenloadedasspecifiedin6.2,theplatformandthestepsshallshownosignsofdamage,suchasfractures, orcracks. 5.3 Slipresistance 5.3.1 Feetorbottomendofstiles Feetorbottomendsofstilesshallbesoledwithaslipresistantmaterial(e.g.rubber).Requirementsof5.3 areconsideredtobemetifsuccessfullytestedaccording

35、to6.3. 5.3.2 Rollersandwheels Whererollersorwheelsarefitted,stepstoolsandrigidstepsshallbedesignedsoastopreventany accidentaldisplacementwhenloaded.Rollersshalleitherbeautomaticallylockedorautomaticallydisabled oncethestepstoolorrigidstepsareloaded. 5.4 Openingrestraintandcompressionsecuritydevices

36、Stepstoolsandstairtypestepsshallbepreventedfromunintendedfoldingwhendeployedforuse. 5.5Design Fingertraps(shearingpoints)shallbeavoidedasfaraspossible. Allconnectionsshallbedurableandhaveastrengthcorrespondingtothestrain.Theconnectionsshallbe designedinamannerthatarisingnotchtensionsremainlow. Screw

37、sandnutsshallbesecuredagainstselfactingslackening,e.g.bymeansofsafetydeviceswitha blockingeffectorbeingpositive. Weldingofjointsispermittedifweldingproceduresandweldingpersonnelaresuitable.EN719andEN7291 toEN7294shallbeobserved. 5.6Surface finish Inordertoavoidinjuries,accessibleedges,corners,andpro

38、trudingpartsshallbefreeofburrs,chamferedor rounded. Metalpartssusceptibletocorrosionshallbeprotectedbymeansofapaintcoatingorothercoating.Under normalconditionsaluminiumalloyproductsarenotlikelytocorrodeandneednoprotection. Ifwoodenpartsarecoated,thecoatingshallbetransparentandpermeabletowatervapour.

39、 5.7 Hinges(turningpoints) Hingesshallconnectthelegsofthestepstooldurably.Hingesshallbedesignedinsuchamannerthatno abutmentofthestepstoolpartsoverthehingesisformedduringuseofthestepstool.EN14183:2003(E) 13 Thehingepinshallbesecuredagainstunintentionalloosening.Thediameterofsteelhingepinsshallnotbe l

40、essthan5,0mmorscrewM6.Pinsofothermaterialsshallhaveatleastthesamestrength.Ifthepinhas severalshearingpoints(pianohinge)thereisnorestrictionastothehingepindiameter. 5.8Padding Anassembledseatmayhavepadding,whichshallnotexceedathicknessof20mminanunloadedstate. 6Test methods 6.1General Anuncertaintyofm

41、easurementof 1,0mmispermittedforthetestsspecifiedin6.2,6.3and6.4. 6.2 Verticalstaticloadtestofstepsandplatforms Alltypesofproductscoveredbythisstandardshallbesubjectedtothistestoneachstep,platformandseat. Thepaddingofapaddedseatshallberemovedforthistest.Theproductshallbeplacedonafirm,flat surfaceand

42、deployedforuseasdetailedintheinstructionsforuse.Loadingshallbeappliedcentrallyand evenlydistributedoveranareaof100mm 100mm.Firstlyapplyapreloadof200Nforthedurationof1 min.Afterthisremovethepreloadandsetmeasuringequipmenttoreadtheresultingpositionofthesurface asadatum.Applyaloadof2600Nforthedurationo

43、f1minandthenremovetheload.Measureandrecord thepermanentdeflectionfromthedatum.Alsomeasurethewidthofthesurfacebeingtested.Examineand recordanycracksorrupturesofmaterials. Anypermanentdeflectionofmetalorplasticpartsshallbemax.0,5%ofthewidthoftheplatformorthestep. Measurementshallbecarriedout1minafterloadremoval. 6.3 Determinationoffrictioncoefficient Positiontheproductona2mmplaindecorativehighp