EN 12278-2007 en Mountaineering equipment - Pulleys - Safety requirements and test methods《登山运动器材 滑轮 安全要求和试验方法》.pdf
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1、BRITISH STANDARDBS EN 12278:2007Mountaineering equipment Pulleys Safety requirements and test methodsThe European Standard EN 12278:2007 has the status of a British StandardICS 97.220.40g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g5
2、5g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 12278:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 September 2007 BSI 2007ISBN 978 0 580 57968 4National forewordThis British Standard is th
3、e UK implementation of EN 12278:2007. It supersedes BS EN 12278:1998 which is withdrawn.The UK participation in its preparation was entrusted by Technical Committee SW/136, Sports, playground and other recreational equipment, to Subcommittee SW/136/5, Mountaineering equipment.A list of organizations
4、 represented on this committee can be obtained on request to its secretary.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 cannot confer immunity from legal obligations.Amend
5、ments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 12278May 2007ICS 97.220.40 Supersedes EN 12278:1998 English Versiontest methodsEquipement dalpinisme et descalade - Poulies - Exigencesde scurit et mthodes dessaiBergsteigerausrstung - Seilrollen -
6、SicherheitstechnischeAnforderungen und PrfverfahrenThis European Standard was approved by CEN on 26 April 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alter
7、ation. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by transl
8、ationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Gr
9、eece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement
10、Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12278:2007: EMountaineering equipment - Pulleys - Safety requirements andEN 12278:2007 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normati
11、ve references 4 3 Terms and definitions .4 4 Safety requirements 4 4.1 Design .4 4.2 Strength 4 5 Test methods5 5.1 Sampling.5 5.2 Design .5 5.3 Determination of strength.6 6 Marking .7 7 Information supplied by the manufacturer .7 Annex A (informative) Standards on mountaineering equipment8 Annex Z
12、A (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 89/686/EEC.9 Bibliography 10 EN 12278:2007 (E) 3 Foreword This document (EN 12278:2007) has been prepared by the Technical Committee CEN/TC 136 “Sports, play-ground and other recreational equip
13、ment”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2007, and conflicting national standards shall be withdrawn at the latest by November 2007.
14、 This document supersedes EN 12278:1998. It is one of a series of standards for mountaineering equipment, see Annex A. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association to support Essential Requirements of EU Directive 89/
15、686/EEC. For relationship with EU Directives, see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulg
16、aria, Cyprus, Czech Repub-lic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 12278:2007 (E) 4 1 Scope Th
17、is European Standard specifies safety requirements and test methods for pulleys for use in mountaineering including climbing. 2 Normative references Not applicable. 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 pulley one or more sheaves mo
18、unted in a block or a body, which can be used to link a rope (in accordance with EN 892 and EN 1891) or an accessory cord (in accordance with EN 564) to a connector (in accordance with EN 12275) to safeguard a mountaineer, and which reduces the friction while the rope or accessory cord is moving und
19、er load NOTE Typical examples of use are load reduction systems, tyrolian travers, zip wires and top rope belay. 3.2 sheave grooved wheel to locate the rope 4 Safety requirements 4.1 Design 4.1.1 Pulleys shall have a means for attachment of a connector which is large enough to accommodate a pin of d
20、iameter 12 mm. Testing shall be in accordance with 5.2.1. 4.1.2 The pulley, particularly its sheaves, shall be large enough to accommodate a rope or an accessory cord of such diameter as marked on the pulley. Testing shall be in accordance with 5.2.2. 4.1.3 All edges of the pulley, which come into c
21、ontact with fingers, shall be free from burrs and the like which could cause irritation or injuries. Testing shall be in accordance with 5.2.3. 4.1.4 If any sheave axle is secured by nuts or screws, the nuts and/or screws shall be locked and secured by means other than friction. 4.2 Strength 4.2.1 W
22、hen tested in accordance with 5.3.2, the sheave(s) shall be capable to rotate ten times in either direction under a force of 2 kN, applied to each sheave individually. 4.2.2 When tested is accordance with 5.3.2, the pulley shall not show signs of damage or deformation, which could affect its functio
23、n. 4.2.3 When tested in accordance with 5.3.2, the pulley shall be capable of withstanding a static force of at least 15 kN, applied to each sheave individually, without completely releasing either the rope or the steel U-bar. EN 12278:2007 (E) 5 5 Test methods 5.1 Sampling For the tests the number
24、of test samples required is determined by the number of sheaves, their size and the material from which they are made to ensure that each size/material-combination is tested. 5.2 Design 5.2.1 Test the means for attachment in accordance with 4.1.1, with the pin of (12 0,1) mm diameter. 5.2.2 Test eac
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