BS EN 14764-2005 城市和远足自行车.安全要求和试验方法.pdf
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1、BRITISH STANDARD BS EN 14764:2005 Incorporating Corrigendum No. 1 City and trekking bicycles Safety requirements and test methods The European Standard EN 14764:2005 has the status of a British Standard ICS 43.150 ? Licensed Copy: AUB User, na, Mon Jun 25 14:15:56 GMT+00:00 2007, Uncontrolled Copy,
2、(c) BSI BS EN 14764:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2006 BSI 2006 ISBN 0 580 46944 1 National foreword This British Standard is the official English language version of EN 14764:2005. It partially supersedes BS
3、 6102-1:1992, which will be declared obsolescent on 30 November 2006 following publication of BS EN 14764, BS EN 14765, BS EN 14766 and BS EN 14781 and withdrawn when The Pedal Bicycles (Safety) Regulations 2003 are updated to reference the European Standards. The UK participation in its preparation
4、 was entrusted to Technical Committee GME/25, Cycles, which has the responsibility to: A list of organizations 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
5、document may be found in the BSI Catalogue under the section entitled “ International Standards Correspondence 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 co
6、ntract. Users are responsible for its correct application. Compliance with a British Standard does not of itself 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
7、 for change, and keep UK interests informed; monitor related international and European developments and 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 87 and a back cover. The BSI copyright notice displayed in
8、this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments 16439 Corrigendum No. 1 30 June 2006Correction to national foreword Licensed Copy: AUB User, na, Mon Jun 25 14:15:56 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME
9、 EUROPENNE EUROPISCHE NORM EN 14764 December 2005 ICS 43.150 English Version City and trekking bicycles - Safety requirements and test methods City- und Trekking-Fahrrder - Sicherheitstechnische Anforderungen und Prfverfahren This European Standard was approved by CEN on 28 October 2005. CEN members
10、 are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application
11、to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same
12、 status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Sl
13、ovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2005 CENAll rights of exploitation in any form and by any means reserved worldwide for CE
14、N national Members. Ref. No. EN 14764:2005: E Licensed Copy: AUB User, na, Mon Jun 25 14:15:56 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 14764:2005 (E) 2 Contents Foreword 5 Introduction6 1Scope.7 2Normative references .7 3Terms and definitions.7 4Requirements and test methods9 4.1Brake tests an
15、d strength tests Special requirements.9 4.1.1Definition of brake tests .9 4.1.2Definition of strength tests.10 4.1.3Numbers and condition of specimens for the strength tests10 4.1.4Accuracy tolerances of test conditions for brake tests and strength tests .10 4.2Sharp edges 10 4.3Security and strengt
16、h of safety-related fasteners10 4.3.1Security of screws 10 4.3.2Minimum failure torque 10 4.3.3Folding bicycles10 4.4Crack detection methods .11 4.5Protrusions11 4.5.1Requirement11 4.5.2Test method.12 4.6Brakes13 4.6.1Braking-systems.13 4.6.2Hand-operated brakes 13 4.6.3Attachment of brake assembly
17、and cable requirements .16 4.6.4Brake-block and brake-pad assemblies Security test .17 4.6.5Brake adjustment17 4.6.6Hand-operated braking-system Strength test17 4.6.7Back-pedal braking system18 4.6.8Braking performance19 4.6.9Brakes - Heat-resistance test.35 4.7Steering .36 4.7.1Handlebar Dimensions
18、.36 4.7.2Handlebar grips and plugs.36 4.7.3Handlebar stem Insertion-depth mark or positive stop 37 4.7.4Handlebar stem-extension to fork-stem - Clamping requirements.37 4.7.5Steering stability.38 4.7.6Steering assembly Static strength and security tests.38 4.7.7Handlebar and stem assembly Fatigue te
19、st .45 4.8Frames.46 Licensed Copy: AUB User, na, Mon Jun 25 14:15:56 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ? EN 14764:2005 (E) 3 4.8.1Suspension-frames Special requirements .46 4.8.2Frame and front-fork assembly - Impact test (falling mass)46 4.8.3Frame - Fatigue test with pedalling forces49 4.
20、8.4Frame - Fatigue test with a vertical force50 4.9Front fork.52 4.9.1General 52 4.9.2Means of location of the axle and wheel retention.52 4.9.3Suspension-forks Special requirements 52 4.9.4Front fork Static bending test53 4.9.5Front fork Rearward impact test54 4.9.6Front fork Bending fatigue test .
21、55 4.9.7Forks intended for use with hub- or disc-brakes .55 4.10Wheels and wheel/tyre assembly 59 4.10.1Rotational accuracy59 4.10.2Wheel/tyre assembly Clearance61 4.10.3Wheels Static strength test61 4.10.4Wheels Wheel retention.62 4.10.5Wheels Quick-release devices 62 4.11Rims, tyres and tubes.63 4
22、.11.1Tyre inflation pressure .63 4.11.2Tyre and rim compatibility63 4.11.3Rim-wear63 4.12Mudguards.63 4.12.1Requirement63 4.12.2Stage 1: Test method Tangential obstruction63 4.12.3Stage 2: Test method Radial force64 4.13Pedals and pedal/crank drive system64 4.13.1Pedal tread.64 4.13.2Pedal clearance
23、.65 4.13.3Pedal/pedal-spindle assembly Static strength test66 4.13.4Pedal-spindle Impact test 66 4.13.5Pedal/pedal-spindle Dynamic durability test67 4.13.6Drive-system Static strength test68 4.13.7Crank assembly Fatigue test.69 4.14Saddles and seat-pillar.70 4.14.1General 70 4.14.2Limiting dimension
24、s.70 4.14.3Seat-pillar Insertion-depth mark or positive stop70 4.14.4Saddle/seat pillar 71 4.14.5Saddle Static strength test 72 4.14.6Saddle and seat-pillar clamp - Fatigue test.72 Licensed Copy: AUB User, na, Mon Jun 25 14:15:56 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ? EN 14764:2005 (E) 4 4.14.
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