BS EN 15811-2014 Agricultural machinery Fixed guards and interlocked guards with or without guard locking for moving transmission parts《农业机械 带有或者不带有运动传输部件锁定防护装置的固定防护装置和联锁装置》.pdf

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1、BSI Standards PublicationBS EN 15811:2014Agricultural machinery Fixedguards and interlocked guardswith or without guard lockingfor moving transmission parts(ISO/TS 28923:2012 modified)BS EN 15811:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 15811:2014. I

2、twas derived from ISO/TS 28923:2012. It supersedes BS EN 15811:2009which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee AGE/6, Agricultural tractors and forestry machinery.A list of organizations represented on this committee can beobtained on request to its

3、 secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 84331 0ICS 65.060.01Compliance with a British Standard can

4、not confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 December 2014.Amendments issued since publicationDate Text affectedBS EN 15811:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15811 December

5、 2014 ICS 65.060.01 Supersedes EN 15811:2009English Version Agricultural machinery - Fixed guards and interlocked guards with or without guard locking for moving transmission parts (ISO/TS 28923:2012 modified) Matriel agricole - Protecteurs fixes et protecteurs avec dispositif de verrouillage ou din

6、terverrouillage pour lments mobiles de transmission de puissance (ISO/TS 28923:2012 modifie) Landmaschinen - Feststehende trennende Schutzeinrichtungen und trennende Schutzeinrichtungen mit Verriegelung mit oder ohne Verriegelungseinrichtung fr bewegliche Teile der Kraftbertragung (ISO/TS 28923:2012

7、, modifiziert) This European Standard was approved by CEN on 18 October 2014. CEN members 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 bibl

8、iographical references concerning such national standards may be obtained on application to the CEN-CENELEC 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 translation under the respon

9、sibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Repu

10、blic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMA

11、LISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15811:2014 EBS EN 15811:2014EN 15811:2014 (E) 2 Contents Page Foreword 3

12、Introduction .4 1 Scope 5 2 Normative references 5 3 Terms and definitions .5 4 General 5 5 Requirements .6 5.1 General 6 5.2 Additional requirements for fixed guards .6 5.3 Additional requirements for interlocking guards .6 6 Verification of safety requirements or protective measures .7 7 Informati

13、on for use 7 7.1 Operators manual .7 7.2 Safety signs 7 Annex A (informative) List of significant hazards 8 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC 9 BS EN 15811:2014EN 15811:2014 (E) 3 Foreword This document (EN 15

14、811:2014) has been prepared by Technical Committee CEN/TC 144 “Tractors and machinery for agriculture and forestry”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at th

15、e latest by June 2015 and conflicting national standards shall be withdrawn at the latest by June 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all su

16、ch patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive 2006/42/EC. For relationship with EU Directives, see informative Annex ZA, which is an integral part

17、of this document. This European Standard specifies safety requirements for fixed guards and interlocked guards with or without guard locking for moving parts of mechanical power transmission and should be used with EN ISO 4254-1:2013. This European Standard is also applicable to “access doors” when

18、used as a guard. This document supersedes EN 15811:2009. The following changes were introduced compared to EN 15811:2009: modification of the title to indicate the scope of the standard; reference to the procedure of risk assessment was introduced in Clause 4; requirements for interlocking guards wi

19、th or without guard locking were added in 5.3; editorial modifications were made. The following changes were introduced compared to ISO/TS 28923:2012: modification of the title to indicate the scope of the standard; reference to the procedure of risk assessment was introduced in Clause 4; editorial

20、modifications were made; modification of Table A.1; addition of Annex ZA. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Den

21、mark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 15811:2

22、014EN 15811:2014 (E) 4 Introduction The structure of safety standards in the field of machinery is as follows. a) Type-A standards (basic safety standards) give basic concepts, principles for design, and general aspects that can be applied to machinery; b) Type-B standards (generic safety standards)

23、 deal with one or more safety aspect(s) or one or more type(s) of safeguards that can be used across a wide range of machinery: type-B1 standards on particular safety aspects (e.g. safety distances, surface temperature, noise); type-B2 standards on safeguards (e.g. two-hands controls, interlocking d

24、evices, pressure sensitive devices, guards); c) Type-C standards (machinery safety standards) deal with detailed safety requirements for a particular machine or group of machines. This European Standard is a type-C standard as stated in EN ISO 12100. When provisions of this type-C standard are diffe

25、rent from those which are stated in type-A or type-B standards, the provisions of this type-C standard take precedence over the provisions of the other standards for machines that have been designed and built according to the provisions of this type-C standard. BS EN 15811:2014EN 15811:2014 (E) 5 1

26、Scope This European Standard specifies the safety requirements and their verification for the design and construction of fixed guards to be opened or removed by the use of a tool and interlocking guards with or without guard locking for moving parts of the power transmission on self-propelled ride-o

27、n machines and mounted, semi-mounted or trailed machines used in agriculture. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer. It deals with the significant hazards (as listed in Annex A), hazardous situations

28、and events relevant for fixed guards to be opened or removed by the use of a tool and interlocking movable guards of moving parts of power transmission used as intended and under the conditions reasonably foreseeable by the manufacturer (see Clause 4 and Clause 5). It is not applicable to guards of

29、moving parts of the power transmission of: agricultural and forestry tractors, aircraft and air cushion vehicles used in agriculture, lawn and garden equipment, or PTO drive shafts between agricultural and forestry tractors and mounted or towed implements. 2 Normative references The following docume

30、nts, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN ISO 4254-1:2013, Agricul

31、tural machinery - Safety - Part 1: General requirements (ISO 4254-1:2013) EN ISO 12100:2010, Safety of machinery - General principles for design - Risk assessment and risk reduction (ISO 12100:2010) EN ISO 13857:2008, Safety of machinery - Safety distances to prevent hazard zones being reached by up

32、per and lower limbs (ISO 13857:2008) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN ISO 12100:2010 and EN ISO 4254-1:2013 apply. 4 General The exact choice of a guard for a particular machine shall be made on the basis of the risk assessment for that

33、 machine. Selection of appropriate measures shall take into consideration the complete strategy for risk reduction specified in EN ISO 12100:2010, Clause 5, and shall consider both normal operation and service operations as specified in the operators manual. When guarding is shown to be an appropria

34、te means for risk reduction, the selection of an appropriate guard for a particular type of machine or hazard zone, shall take into account that: BS EN 15811:2014EN 15811:2014 (E) 6 a fixed guard as specified in 5.2.1 is simple and shall be used where access of an operator to the hazard zone is not

35、or infrequently required during normal operation (operation without malfunction) of the machinery; in case of frequent access, this inevitably leads to the fixed guard not being replaced. This requires the use of alternative protective measure (e.g. interlocking guard, sensitive protective equipment

36、). The frequency of access used in the selection of the type of guard shall account for any difficult working conditions that could increase the need for access. 5 Requirements 5.1 General The design of guards shall take into consideration the risks to the operator and other persons without preventi

37、ng the proper function of the machine or generating other hazards such as preventing drainage, debris accumulation, blockages or malfunctions. Guards shall be designed and constructed in such a way that normal operation and service of the machine can be readily carried out. Guards can be formed from

38、 rigid mesh or grille. The size of openings permitted in guards depends on the distance between the guard and the hazard/hazardous area and shall be in accordance with EN ISO 13857:2008, Tables 3, 4 or 6 as applicable. The strength of guards shall comply with EN ISO 4254-1. 5.2 Additional requiremen

39、ts for fixed guards 5.2.1 Fixed guards shall be securely held in place: by permanent fixing (e.g. by welding, riveting, one-way screws); or by means of fasteners such as screws and nuts which require a common tool for opening or removal. The fixing system shall remain attached to the guard or to the

40、 machine when the guards are removed. Where possible, the guards shall be incapable of remaining in place without their fixings; or by means of hinges and a locking system, which can only be released using a tool, (in order to make opening an intentional action) and which can be automatically closed

41、 without the use of a tool. 5.2.2 In case of fixed guards which can be opened or removed in order to provide access to hazardous power transmission parts which continue to rotate or move after the power supply is disengaged, the following requirements apply: a safety sign in the immediate vicinity o

42、f the hazardous parts (e.g. on the outside of the guard) shall be provided to give a warning of the hazard; and a visible (while in the hazard area) or audible indication, starting from the moment that the power supply is disengaged until the hazardous parts stop rotating or moving. It is not requir

43、ed that the indication is given when the machine is in ground motion / travelling. 5.3 Additional requirements for interlocking guards Interlocking guards shall: as far as possible, remain attached to the machine when open, and BS EN 15811:2014EN 15811:2014 (E) 7 be designed and constructed in such

44、a way that they can be adjusted only by means of an intentional action. Interlocking guards shall have an interlocking device which: prevents the start of the hazardous transmission parts when the guard is open, and gives a command to disengage hazardous power transmission parts when the guard is op

45、ened. If the run-down time of the power transmission parts exceeds the time needed for an operator to reach them, a guard locking device shall be provided which: locks the guard when closed, and keeps the guard locked until the hazardous movement has stopped. 6 Verification of safety requirements or

46、 protective measures See Table1. Table 1 List of safety requirements and/or protective measures and their verification Clause Verification Inspection Measurement Test with reference 5 X X Shall be verified by carrying out normal operation and service of the machine as specified in the operators manu

47、al. 7 Information for use 7.1 Operators manual The manual shall include warnings about the significant residual risks and how these are to be controlled, as well as any training requirements (see 5.2). 7.2 Safety signs A safety sign in the immediate vicinity of the hazardous parts (e.g. on the outsi

48、de of the guard or access door) shall be provided to indicate the rotation of parts, if applicable (see 5.2.2). BS EN 15811:2014EN 15811:2014 (E) 8 Annex A (informative) List of significant hazards Table A.1 specifies the significant hazards, significant hazardous situations and significant hazardou

49、s events that have been identified as being significant to the guards for moving parts of power transmission covered by this European Standard and which require specific action by the designer or manufacturer to eliminate or to reduce the risk. Table A.1 List of significant hazards Clause / Subclause of EN ISO 4254-1:2013 Hazard Hazardous situation and event Clause of this document A.1 Mechanical hazards A.1.1 Crushing hazard Power transmission 4; 5 A.1.2 Shearing hazard Power transmission 4; 5 A.1.4 Entangleme

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