EN-14492-2-2006.pdf
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1、EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14492-2 November 2006 ICS 53.020.20 English Version Cranes - Power driven winches and hoists - Part 2: Power driven hoists Appareils de levage charge suspendue - Treuils et palans motoriss - Partie 2: Palans motoriss Krane - Kraftgetriebene Winden
2、 und Hubwerke - Teil 2: Kraftgetriebene Hubwerke This European Standard was approved by CEN on 11 October 2006. 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 alt
3、eration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application 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 tran
4、slation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece,
5、Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management C
6、entre: rue de Stassart, 36 B-1050 Brussels 2006 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14492-2:2006: E EN 14492-2:2006 (E) 2 Contents Page Foreword7 Introduction.8 1 Scope 9 2 Normative references9 3 Terms and definitions .
7、11 4 List of significant hazards 14 5 Safety requirements and/or protective measures19 5.1 General19 5.2 Devices .20 5.3 Couplings .26 5.4 Brakes for hoisting and lowering movements26 5.5 Gearbox 27 5.6 Load hooks.27 5.7 Rope drives 27 5.8 Chain drives .30 5.9 Belt drives.31 5.10 Pneumatic equipment
8、 .32 5.11 Hydraulic equipment .34 5.12 Trolleys .37 5.13 Electrical equipment of hoists and their trolleys .38 5.14 Reduction of noise by design.42 5.15 Hoists for use in a potentially explosive atmosphere43 6 Verification of the safety requirements and/or protective measures.43 6.1 Hoists manufactu
9、red in series .43 6.2 Hoists designed individually44 7 User information51 7.1 General51 7.2 Special requirements 51 7.3 Marking.53 Annex A (informative) Examples of power driven hoists.54 A.1 Rope hoist 54 A.2 Chain hoist .55 A.3 Belt hoist.56 A.4 Open type hoist57 A.5 NGL building hoists Treuil pot
10、ence de chantier Bauaufzge fr nicht gefhrte Lasten58 Annex B (normative) Additional requirements when transporting hot molten masses.59 Annex C (informative) Additional requirements for hoists intended to be used in potentially explosion atmosphere.62 C.1 Introduction62 C.2 General62 C.3 Hazard sour
11、ces in explosion hazard areas.63 C.3.1 Electrically caused hazards63 C.3.2 Mechanically caused hazards 63 C.3.3 Hazards caused by environmental conditions .63 C.3.4 Measures to eliminate hazards in explosion hazard areas .64 C.3.5 Marking.64 C.4 User information64 EN 14492-2:2006 (E) 3 Annex D (info
12、rmative) Additional requirements for operation in aggressive environments and outdoors .65 D.1 General65 D.2 Ropes and chains65 Annex E (informative) Additional requirements for operation at low temperatures 67 Annex F (normative) Supporting structures for NGL building hoists68 F.1 General68 F.2 Ter
13、ms and definitions .68 F.3 Classification .69 F.4 Construction characteristics71 F.4.1 General requirements71 F.4.2 Interchangeability of parts and modularity.72 F.4.3 Ease of transportation.72 F.5 Calculations .74 F.5.1 General74 F.5.2 Forces and load combinations to be considered.75 F.5.3 Stabilit
14、y.75 F.5.4 Structural verification76 F.5.5 Loads transmitted calculations77 F.6 Instructions 77 F.6.1 Transmitted forces/moments information 77 F.6.2 Markings.80 F.6.3 User information80 F.7 Verifications .81 Annex G (normative) Power driven series hoist mechanisms Test procedure for verification of
15、 the classification82 G.1 Introduction82 G.2 Application .82 G.3 Implementation of the test82 G.3.1 Framework conditions 82 G.3.2 Configurations .83 G.3.3 Test programme.83 G.4 Acceptance criteria84 G.5 Calculation and Figures84 Annex H (informative) Documents for hooks89 Annex I (informative) Value
16、s of IAL, DAL for different types of rated capacity limiters.90 I.1 Calculation of rated capacity limiters90 Annex J (normative) Selection of motors .92 J.1 General92 J.2 Criteria for motor selection (EN 60034-1)92 J.2.1 General92 J.2.2 Remarks on the selection of motors .93 J.2.3 Degree of protecti
17、on according to EN 60034-5 93 J.2.4 Thermal calculation of the motor.93 J.2.5 Squirrel cage motor.96 J.2.6 Power correction in function of ambient temperature and altitude .97 J.2.7 Cyclic duration factor and number of working cycles per hour.99 J.3 Motors for vertical motions 99 J.3.1 Determination
18、 of required torque 99 J.3.2 Cyclic duration factor and number of cycles per hour100 J.4 Motors for horizontal motions102 J.4.1 General102 J.4.2 Determining the torque necessary 102 J.4.3 Cyclic duration factor and number of cycles per hour103 J.4.4 Rotation 104 J.4.5 Span variation104 Annex K (norm
19、ative) Noise test code106 K.1 Scope106 -,-,- EN 14492-2:2006 (E) 4 K.2 Standards used in this annex.106 K.3 Description of the machine family.106 K.4 Determination of the emission sound pressure level at the operators position by measurement107 K.4.1 General107 K.4.2 Hoists, other than NGL building
20、hoists.107 K.5 Determination of the sound power level .107 K.5.1 General107 K.5.2 Hoists, other than NGL building hoists.107 K.5.3 NGL building hoists.108 K.6 Mounting and operation conditions.110 K.6.1 General110 K.6.2 Hoists, other than NGL building hoists.110 K.6.3 NGL building hoists.110 K.7 Unc
21、ertainties111 K.8 Information to be recorded.111 K.9 Information to be reported111 K.10 Declaration and verification of noise emission values111 Annex L (informative) Selection of a suitable set of crane standards for a given application112 Annex ZA (informative) Relationship between this European S
22、tandard and the Essential Requirements of EU Directive 98/37/EC113 Annex ZB (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 94/9/EC114 Bibliography115 Figures Figure A.1.1 Rope hoist Palan cble Seilzug54 Figure A.1.2.1 Monorail trolley, “stand
23、ard headroom” Chariot monorail, “hauteur perdue normale” Einschienenuntergurtfahrwerk, “normale Bauhhe” 54 Figure A.1.2.2 Monorail trolley, “short headroom” Chariot monorail, “hauteur perdue rduite” Einschienenuntergurtfahrwerk, “kurze Bauhhe”.54 Figure A.1.2.3 Crab Chariot birail Zweischienenobergu
24、rtfahrwerk54 Figure A.1.2 Travel carriages (Hoist mounted) Chariots (Palan mont) Fahrwerke (Hubwerk angebaut)54 Figure A.2.1 Chain hoist Palan chane Kettenzug55 Figure A.2.2.1 Monorail trolley, “standard headroom” Chariot monorail, “hauteur perdue normale” Einschienenuntergurtfahrwerk, “normale Bauh
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