2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

Žerjavi - Motorni vitli in dvižni mehanizmi - 2. del: Motorni dvižni mehanizmi

Krane - Kraftgetriebene Winden und Hubwerke - Teil 2: Kraftgetriebene Hubwerke

Appareils de levage à charge suspendue - Treuils et palans motorisés - Partie 2: Palans motorisés

Cranes - Power driven winches and hoists - Part 2: Power driven hoists

53.020.20 Dvigala Cranes

ICS:

Ta slovenski standard je istoveten z: prEN 14492-2

oSIST prEN 14492-2:2016 en,fr,de

01-september-2016

oSIST prEN 14492-2:2016SLOVENSKI STANDARD

oSIST prEN 14492-2:2016

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM

DRAFT prEN 14492-2 July 2016 ICS 53.020.20 Will supersede EN 14492-2:2006+A1:2009

English Version Cranes - Power driven winches and hoists - Part 2: Power driven hoists Appareils de levage à charge suspendue - Treuils et palans motorisés - Partie 2: Palans motorisés Krane - Kraftgetriebene Winden und Hubwerke - Teil 2: Kraftgetriebene Hubwerke This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 147. If this draft becomes a European Standard, 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. This draft European Standard was established by CEN 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 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 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 United Kingdom. Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to provide supporting documentation. Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION C O M I T É E U R O P É E N D E N O R M A L I S A T I O N E U R O P Ä I S C H E S K O M I T E E F Ü R N O R M U N G CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. prEN 14492-2:2016 E

oSIST prEN 14492-2:2016

prEN 14492-2:2016 (E)

2

Contents Page

European foreword ....................................................................................................................................................... 8

Introduction .................................................................................................................................................................... 9

1 Scope ................................................................................................................................................................. 10

2 Normative references ................................................................................................................................. 10

3 Terms, definitions and symbols .............................................................................................................. 12 3.1 Terms and definitions ................................................................................................................................ 12 3.2 Symbols and abbreviations ...................................................................................................................... 16

4 List of significant hazards ......................................................................................................................... 18

5 Safety requirements and/or protective measures .......................................................................... 24 5.1 General ............................................................................................................................................................. 24 5.2 Devices ............................................................................................................................................................. 25 5.2.1 Control devices .............................................................................................................................................. 25 5.2.2 Rated capacity limiters and indicators ................................................................................................ 26 5.2.3 Emergency stop function ........................................................................................................................... 31 5.2.4 Hoisting and lowering limiters ............................................................................................................... 31 5.2.5 Safety-related functions ............................................................................................................................. 31 5.3 Couplings ......................................................................................................................................................... 32 5.4 Brakes for hoisting and lowering movements................................................................................... 32 5.5 Gearbox ............................................................................................................................................................ 34 5.6 Load hooks ...................................................................................................................................................... 34 5.7 Rope drives ..................................................................................................................................................... 34 5.7.1 General ............................................................................................................................................................. 34 5.7.2 Rope drum ...................................................................................................................................................... 35 5.7.3 Ropes ................................................................................................................................................................ 35 5.7.4 Rope sheaves ................................................................................................................................................. 36 5.7.5 Rope guides/rope runs .............................................................................................................................. 36 5.7.6 Rope fastening onto the rope drum ....................................................................................................... 36 5.7.7 Rope anchorage ............................................................................................................................................ 37 5.7.8 Compensating lever ..................................................................................................................................... 37 5.7.9 Rope end terminations ............................................................................................................................... 37 5.8 Chain drives .................................................................................................................................................... 37 5.8.1 General ............................................................................................................................................................. 37 5.8.2 Chains ............................................................................................................................................................... 37 5.8.3 Chain guides ................................................................................................................................................... 38 5.8.4 Chain anchorage ........................................................................................................................................... 38 5.8.5 Securing the chain from running off ..................................................................................................... 38 5.9 Belt drives ....................................................................................................................................................... 38 5.9.1 General ............................................................................................................................................................. 38 5.9.2 Belts................................................................................................................................................................... 38 5.9.3 Belt guide/belt pulleys/belt drum ......................................................................................................... 38 5.9.4 Fastening to the drum ................................................................................................................................ 39 5.9.5 Belt anchorage............................................................................................................................................... 39 5.10 Pneumatic equipment ................................................................................................................................ 39 5.10.1 General ............................................................................................................................................................. 39 5.10.2 Energy converters ........................................................................................................................................ 39

oSIST prEN 14492-2:2016

prEN 14492-2:2016 (E)

3

5.10.3 Control devices/controls ........................................................................................................................... 39 5.10.4 Control units/control systems ................................................................................................................. 40 5.10.5 Protective measures .................................................................................................................................... 40 5.11 Hydraulic equipment .................................................................................................................................. 41 5.11.1 General ............................................................................................................................................................. 41 5.11.2 Materials and auxiliary materials .......................................................................................................... 41 5.11.3 Energy converters ........................................................................................................................................ 41 5.11.4 Connecting elements and accessories ................................................................................................... 42 5.11.5 Control devices/controls ........................................................................................................................... 43 5.11.6 Protective measures .................................................................................................................................... 43 5.12 Trolleys............................................................................................................................................................. 44 5.12.1 General ............................................................................................................................................................. 44 5.12.2 Braking ............................................................................................................................................................. 44 5.12.3 Operating chains (hand chain) ................................................................................................................ 45 5.12.4 Derailment safety device ........................................................................................................................... 45 5.13 Electrical equipment of hoists and their trolleys .............................................................................. 46 5.13.1 General ............................................................................................................................................................. 46 5.13.2 Electrical supply ............................................................................................................................................ 46 5.13.3 Ambient and operating conditions ......................................................................................................... 46 5.13.4 Supply disconnecting (isolating) and switching devices ................................................................ 46 5.13.5 Overload protection of motors ................................................................................................................ 46 5.13.6 Control circuits and control functions .................................................................................................. 46 5.13.7 Emergency stop function ........................................................................................................................... 47 5.13.8 Electric motors .............................................................................................................................................. 47 5.13.9 Electric motion limiters .............................................................................................................................. 48 5.14 Reduction of noise by design .................................................................................................................... 48 5.14.1 General ............................................................................................................................................................. 48 5.14.2 Main noise sources on hoist units ........................................................................................................... 49 5.14.3 Measures for noise reduction at source ............................................................................................... 49 5.14.4 Protective measures .................................................................................................................................... 49 5.14.5 Information on noise ................................................................................................................................... 49 5.15 Hoists for use in a potentially explosive atmosphere ..................................................................... 49 5.15.1 General ............................................................................................................................................................. 49 5.15.2 Electrical equipment of hoists ................................................................................................................. 50 5.15.3 Non-electrical equipment of hoists ........................................................................................................ 50 5.15.4 Electrostatic discharge ............................................................................................................................... 50

6 Verification of the safety requirements and/or protective measures ...................................... 50 6.1 Hoists manufactured in series ................................................................................................................. 50 6.2 Hoists designed individually .................................................................................................................... 50

7 User information ........................................................................................................................................... 57 7.1 General ............................................................................................................................................................. 57 7.2 Special requirements .................................................................................................................................. 57 7.3 Marking ............................................................................................................................................................ 59

Annex A (informative) Examples of power driven hoists ........................................................................... 61

A.1 Rope hoist ........................................................................................................................................................ 61

A.2 Chain hoist ....................................................................................................................................................... 63

A.3 Belt hoist .......................................................................................................................................................... 64

A.4 Open type hoist .............................................................................................................................................. 66

oSIST prEN 14492-2:2016

prEN 14492-2:2016 (E)

4

A.5 NGL building hoists — Treuil potence de chantier — Bauaufzüge für nicht geführte Lasten ............................................................................................................................................................... 67

Annex B (normative) Classification .................................................................................................................... 68

B.1 General hoist class ....................................................................................................................................... 68

B.2 Class for average hoisting displacement ............................................................................................. 70

B.3 Class for average traversing displacement ......................................................................................... 71

Annex C (informative) Guidance on hoist classification ............................................................................. 73

Annex D (normative) Additional requirements for high risk applications .......................................... 80

Annex E (normative) Power driven hoists designed for holding stationary loads above persons ............................................................................................................................................................. 81

Annex F (informative) Additional requirements for hoists intended to be used in potentially explosion atmosphere ......................................................................................................... 82

F.1 Introduction ................................................................................................................................................... 82

F.2 General ............................................................................................................................................................. 82

F.3 Hazard sources in explosion hazard areas ......................................................................................... 83

F.3.1 Electrically caused hazards ...................................................................................................................... 83

F.3.2 Mechanically caused hazards .................................................................................................................. 83

F.3.3 Hazards caused by environmental conditions .................................................................................. 83

F.3.4 Measures to eliminate hazards in explosion hazard areas ........................................................... 84

F.3.5 Marking ............................................................................................................................................................ 84

F.4 User information .......................................................................................................................................... 84

Annex G (informative) Additional requirements for operation in aggressive environments and outdoors .................................................................................................................................................. 85

G.1 General ............................................................................................................................................................. 85

G.2 Ropes and chains .......................................................................................................................................... 85

Annex H (informative) Additional requirements for operation at low temperatures ..................... 87

Annex I (normative) Supporting structures for NGL building hoists ..................................................... 88

I.1 General ............................................................................................................................................................. 88

I.2 Terms and definitions ................................................................................................................................ 88 I.3 Classification .................................................................................................................................................. 88

I.4 Construction characteristics .................................................................................................................... 90

I.4.1 General requirements ................................................................................................................................ 90

I.4.2 Interchangeability of parts and modularity ....................................................................................... 92

I.4.2.1 General ............................................................................................................................................................. 92

I.4.2.2 Counterweight ............................................................................................................................................... 92

I.4.2.3 Screws for frame connections ................................................................................................................. 92

I.4.2.4 Railway end stop .......................................................................................................................................... 92

I.4.3 Ease of transportation ................................................................................................................................ 92

oSIST prEN 14492-2:2016

prEN 14492-2:2016 (E)

5

I.5 Calculations..................................................................................................................................................... 95

I.5.1 General ............................................................................................................................................................. 95

I.5.2 Forces and load combinations to be considered ............................................................................... 96

I.5.3 Overturning stability ................................................................................................................................... 96

I.5.4 Structural verification ................................................................................................................................ 97

I.5.5 Loads transmitted calculations ............................................................................................................... 97

I.6 Instructions ..................................................................................................................................................... 98

I.6.1 Transmitted forces/moments information......................................................................................... 98

I.6.2 Markings .......................................................................................................................................................... 99

I.6.3 User information ........................................................................................................................................ 100

I.7 Verifications ................................................................................................................................................ 101

Annex J (normative) Power driven series hoist mechanisms – Test procedure for verification of the classification ........................................................................................................... 102

J.1 Introduction................................................................................................................................................. 102 J.2 Application ................................................................................................................................................... 102

J.3 Implementation of the test ..................................................................................................................... 102

J.3.1 Framework conditions ............................................................................................................................ 102

J.3.2 Configurations ............................................................................................................................................ 103

J.3.3 Test programme ......................................................................................................................................... 104

J.3.3.1 Load ................................................................................................................................................................ 104

J.3.3.2 Time sequence ............................................................................................................................................ 104

J.3.3.3 Paths and cycles during test .................................................................................................................. 105

J.3.3.4 Maintenance work during the test ...................................................................................................... 106

J.4 Acceptance criteria ................................................................................................................................... 106

J.5 Determination of load variation factor according to reeving .................................................... 107

J.6 Conversion of Classification of hoists which are classified according to previous standards ...................................................................................................................................................... 108

Annex K (informative) Values of ϕIAL, ϕDAL for different types of rated capacity limiters ...... 111

K.1 Calculation of rated capacity limiters ................................................................................................ 111

Annex L (informative) Number of starts and cyclic duration factor of motors ................................ 113

Annex M (normative) Noise test code .............................................................................................................. 114

M.1 Scope .............................................................................................................................................................. 114

M.2 Standards used in this annex ................................................................................................................. 114

M.3 Description of the machine family ...................................................................................................... 114

M.4 Determination of the emission sound pressure level at the operator’s position by measurement .............................................................................................................................................. 115

M.4.1 General .......................................................................................................................................................... 115

oSIST prEN 14492-2:2016

prEN 14492-2:2016 (E)

6

M.4.2 Hoists, other than NGL building hoists ............................................................................................... 115

M.5 Determination of the sound power level ........................................................................................... 115

M.5.1 General ........................................................................................................................................................... 115

M.5.2 Hoists, other than NGL building hoists ............................................................................................... 115

M.5.3 NGL building hoists .................................................................................................................................... 116

M.6 Mounting and operation conditions .................................................................................................... 117

M.6.1 General ........................................................................................................................................................... 117

M.6.2 Hoists, other than NGL building hoists ............................................................................................... 118

M.6.3 NGL building hoists .................................................................................................................................... 118

M.7 Uncertainties ............................................................................................................................................... 118

M.8 Information to be recorded .................................................................................................................... 119

M.9 Information to be reported .................................................................................................................... 119

M.10 Declaration and verification of noise emission values ................................................................. 119

Annex N (informative) Selection of a suitable set of crane standards for a given application ... 120

Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC ..................................................................................... 122

Annex ZB (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 94/9/EC ............................................................................................. 123

Bibliography ............................................................................................................................................................... 124

Figures

Figure 1 — Fleet angle .............................................................................................................................................. 13

Figure 2 — Arrangements of Friction Torque limiters — Force Flow ..................................................... 30

Figure A.1.1 — Rope hoist — Palan à câble — Seilzug .................................................................................. 61

Figure A.1.2 — Travel carriages (Hoist mounted) — Chariots (Palan monté) — Fahrwerke (Hubwerk angebaut) ................................................................................................................................... 62

Figure A.1.3 — Hydraulic powered hoist with trolley ................................................................................... 62

Figure A.2.1 — Chain hoist — Palan à chaîne — Kettenzug ........................................................................ 63

Figure A.2.2 — Travel carriages (Hoist mounted) — Chariots (Palan monté) — Fahrwerke (Hubwerk angebaut) ................................................................................................................................... 64

Figure A.3.1 — Belt hoist — Palan à sangle — Bandzug ............................................................................... 64

Figure A.3.2 — Monorail trolley — Chariot monorail — Einschienenuntergurtfahrwerk .............. 65

Figure A.4 — Open type hoist — Treuil ouvert — Offenes Hubwerk ....................................................... 66

Figure J.1 — Opposed winding arrangement ................................................................................................. 103

Figure J.2 — Symmetrical rope lead-off about the drum centre ............................................................. 104

Figure J.3 — Normal lifting operation during the test (Cycle I) ............................................................... 106

Figure J.4 — Picking the load up from the floor at the start of every 4th lifting operation (Cycle II)......................................................................................................................................................... 106

oSIST prEN 14492-2:2016