SIST EN 12927-4:2005
(Main)Safety requirements for cableway installations designed to carry persons - Ropes - Part 4: End fixings
Safety requirements for cableway installations designed to carry persons - Ropes - Part 4: End fixings
This part of EN 12927 specifies the safety requirements applicable to end fixings of steel wire ropes for installations for passenger transportation by rope. This standard is applicable to the various types of installations and takes into account their environment.
This part of EN 12927 applies to the following types of end fixing when used in installations for passenger transportation by ropes in conformity with EN 12927-1.
- filled socket;
- clamp socket;
- drum;
- bolted clamp;
- wedge socket;
- spliced eye;
- gripped eye;
- ferrule secured eye;
- lever winch.
Taking its scope into account, it does not include requirements relating to the prevention of accidents and the protection for workers.
It does not apply to installations for the transportation of goods, nor to inclined lifts.
Sicherheitsanforderungen für Seilbahnen für den Personenverkehr - Seile - Teil 4: Seilendbefestigungen
Prescriptions de sécurité des installations a câbles transportant des personnes - Câbles - Partie 4: Attaches d'extrémité
La présente partie de l'EN 12927 spécifie les prescriptions de sécurité applicables aux attaches d'extrémité des câbles en acier des installations a câbles transportant des personnes La présente norme est applicable aux différents types d'installations et tient compte de leur environnement.
La présente partie de l'EN 12927 s'applique aux types suivants d'attaches d'extrémité utilisés dans les installations de transport a câbles destinées aux personnes et conformes a l'EN 12927-1 :
- culot coulé ;
- culot sec ;
- tambour ;
- mordache ;
- culot a coins ;
- boucle épissée ;
- boucle avec serre-câble ;
- boucle manchonnée ;
- treuil linéaire.
Compte tenu de son domaine d'application, la présente norme ne couvre pas les prescriptions relatives a la prévention des accidents et a la protection des travailleurs.
Elle ne s'applique ni aux installations de transport de marchandises, ni aux ascenseurs inclinés.
Varnostne zahteve za žičniške naprave za prevoz oseb – Vrvi – 4. del: Pritrjevanje koncev vrvi
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Safety requirements for cableway installations designed to carry persons - Ropes - Part 4: End fixingsPrescriptions de sécurité des installations a câbles transportant des personnes - Câbles - Partie 4: Attaches d'extrémitéSicherheitsanforderungen für Seilbahnen für den Personenverkehr - Seile - Teil 4: SeilendbefestigungenTa slovenski standard je istoveten z:EN 12927-4:2004SIST EN 12927-4:2005en45.100Cableway equipmentICS:SLOVENSKI
STANDARDSIST EN 12927-4:200501-januar-2005
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12927-4October 2004ICS 45.100English versionSafety requirements for cableway installations designed to carrypersons - Ropes - Part 4: End fixingsPrescriptions de sécurité des installations à câblestransportant des personnes - Câbles - Partie 4: Attachesd'extrémitéSicherheitsanforderungen für Seilbahnen undSchleppaufzüge des Personenverkehrs - Seile - Teil 4:SeilendbefestigungenThis European Standard was approved by CEN on 23 August 2004.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 alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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 translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.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,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2004 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12927-4:2004: E
EN 12927-4:2004 (E) 2 Contents Foreword.3 1 Scope.5 2 Normative references.5 3 Terms and definitions.7 4 Symbols and abbreviations.7 5 General requirements.7 5.1 Application of this standard.7 5.2 Safety principle.8 6 Safety requirements.8 6.1 General.8 6.2 Selection.8 6.3 End fixing design.9 6.4 End fixing execution and conformity.9 7 Filled sockets.10 7.1 General.10 7.2 Filled sockets design.10 Table 1 – Composition of metal alloys.11 8 Clamp sockets.12 8.1 General.12 8.2 Design.12 8.3 Manufacture.13 8.4 Execution.13 9 Drum (fixing drum and anchor drum).13 10 Bolted clamp.14 10.1 Design.14 10.2 Manufacture.14 10.3 Execution and maintenance.15 11 Wedge socket.15 12 Spliced eye.15 13 Gripped eye.15 14 Ferrule secured eye.15 15 Lever winch.15 Annex A (informative)
Bolted clamp - Calculation of slipping force.16 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 2000/9/EC relating to cableway installations designed to carry persons.17 Table ZA — Correspondence between this European Standard and Directive 2000/9/EC relating to cableway installations designed to carry persons.17
EN 12927-4:2004 (E) 3 Foreword This document (EN 12927-4:2004) has been prepared by Technical Committee CEN/TC 242 “Safety requirements for passenger transportation by rope”, 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 the latest by April 2005, and conflicting national standards shall be withdrawn at the latest by April 2005. 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(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. This EN 12927 includes the following parts under the general title "Safety requirements for cableway installations designed to carry persons
– Ropes": Part 1: Selection criteria for ropes and their end fixings Part 2: Safety factors Part 3: Long splicing of 6 strand hauling, carrying-hauling and towing ropes Part 4: End fixings Part 5: Storage, transportation, handling and tensioning Part 6: Discard criteria Part 7: Inspection, repair and maintenance Part 8: Magnetic rope testing (MRT) This European Standard forms part of the standards programme adopted by the CEN Technical Board (CEN/BT) on Safety requirements for passenger transportation by rope. This programme comprises the following standards. 1) Safety requirements for cableway installations designed to carry persons
- Terminology 2) Safety requirements for cableway installations designed to carry persons
- General requirements 3) Safety requirements for cableway installations designed to carry persons
- Calculations 4) Safety requirements for cableway installations designed to carry persons
- Ropes 5) Safety requirements for cableway installations designed to carry persons
- Tensioning devices 6) Safety requirements for cableway installations designed to carry persons
- Drive systems and other mechanical equipment 7) Safety requirements for cableway installations designed to carry persons
- Carriers 8) Safety requirements for cableway installations designed to carry persons
- Electrical equipment other than for drive systems 9) Safety requirements for cableway installations designed to carry persons
- Civil engineering works
EN 12927-4:2004 (E) 4 10) Safety requirements for cableway installations designed to carry persons
– Pre-commissioning inspection, maintenance and operational inspection and checks 11) Safety requirements for cableway installations designed to carry persons
– Recovery and evacuation 12) Safety requirements for cableway installations designed to carry persons
- Operation 13) Safety requirements for cableway installations designed to carry persons
- Quality assurance Together these form a series of standards regarding design, manufacture, production, maintenance and operation of all installations for passenger transportation by rope. In respect of ski-tows, the drafting of this European Standard has been guided by the works of the International Organisation for Transportation by Rope (OITAF). According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom
EN 12927-4:2004 (E) 5 1 Scope This part of EN 12927 specifies the safety requirements applicable to end fixings of steel wire ropes for installations for passenger transportation by rope. This standard is applicable to the various types of installations and takes into account their environment. This part of EN 12927 applies to the following types of end fixing when used in installations for passenger transportation by ropes in conformity with EN 12927-1. filled socket; clamp socket; drum; bolted clamp; wedge socket; spliced eye; gripped eye; ferrule secured eye; lever winch. Taking its scope into account, it does not include requirements relating to the prevention of accidents and the protection for workers. It does not apply to installations for the transportation of goods, nor to inclined lifts. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 1709, Safety requirements for cableway installations designed to carry persons – Pre-commissioning inspection, maintenance, operational inspection and checks. prEN 1907:2004, Safety requirements for cableway installations designed to carry persons – Terminology. EN 1908, Safety requirements for cableway installations designed to carry persons - Tensioning devices. EN 1909, Safety requirements for cableway installations designed to carry persons - Recovery and evacuation. EN 1559-2, Founding – Technical conditions of delivery – Part 2: Additional requirements for steel castings. EN 10045-1, Metallic materials – Charpy impact test – Test method. EN 12385-2, Steel wire ropes - Safety - Part 2: Definitions, designation and classification. EN 12397, Safety requirements for cableway installations designed to carry persons – Operation. EN 12408, Safety requirements for cableway installations designed to carry persons - Quality assurance. EN 12927-1, Safety requirements for cableway installations designed to carry persons - Ropes - Part 1: Selection criteria for ropes and their end fixings.
EN 12927-4:2004 (E) 6 EN 12927-2, Safety requirements for cableway installations designed to carry persons - Ropes - Part 2: Safety factors. EN 12927-3, Safety requirements for cableway installations designed to carry persons - Ropes - Part 3: Long splicing of 6 strand hauling, carrying-hauling and towing ropes. EN 12927-5, Safety requirements for cableway installations designed to carry persons - Ropes - Part 5: Storage, transportation, installation and tensioning. EN 12927-6, Safety requirements for cableway installations designed to carry persons - Ropes - Part 6: Discard criteria. EN 12927-7, Safety requirements for cableway installations designed to carry persons - Ropes – Part 7: Inspection, repair and maintenance. EN 12927-8, Safety requirements for cableway installations designed to carry persons - Ropes - Part 8: Magnetic rope testing (MRT). EN 12929-1, Safety requirements for passenger transportation by rope - General requirements - Part 1: Requirements applicable to all installations. EN 12929-2, Safety requirements for cableway installations designed to carry persons
– General requirements – Part 2: Additional requirements for reversible bicable aerial ropeways without carrier truck brakes. EN 12930, Safety requirements for cableway installations designed to carry persons – Calculations. EN 13107, Safety requirements for cableway installations designed to carry persons - Civil engineering works. EN 13223, Safety requirements for cableway installations designed to carry persons - Drive systems and other mechanical equipment. EN 13243, Safety requirements for cableway installations designed to carry persons - Electrical equipment other than for drive systems. EN 13411-1:2002, Terminations for steel wire ropes - Safety - Part 1: Thimbles for steel wire rope slings. EN 13411-2, Terminations for steel wire ropes – Safety – Part 2: Splicing of eyes for wire rope slings. EN 13411-3:2004, Terminations for steel wire ropes - Safety - Part 3: Ferrules and ferrule-securing. EN 13411-4:2002, Terminations for steel wire ropes – Safety – Part 4: Metal and resin socketing. EN 13411-5:2003, Terminations for steel wire ropes - Safety - Part 5: U-bolt wire rope grips. EN 13411-6:2004, Terminations for steel wire ropes - Safety - Part 6: Asymmetric wedge socket. prEN 13411-7, Terminations for steel wire rope - Safety - Part 7: Symmetric wedge socket. prEN 13796-1, Safety requirements for cableway installations designed to carry persons - Carriers - Part 1: Grips, carrier trucks, on-board brakes, cabins, chairs, carriages, maintenance carriers, tow-hangers. prEN 13796-2 Safety requirements for cableway installations designed to carry persons - Carriers - Part 2: Slipping resistance tests for grips. prEN 13796-3, Safety requirements for cableway installations designed to carry persons - Carriers - Part 3: Fatigue testing.
EN 12927-4:2004 (E) 7 3 Terms and definitions For the purposes of this document, the terms and definitions given in prEN 1907:2004, in EN 13411-1:2002, EN 13411-4:2002, EN 13411-5:2003, EN 13411-3:1999, EN 13411-6:2004 and the following apply. 3.1 efficiency ratio between the breaking force of the rope and end fixing combination, and the minimum breaking force of the rope 3.2 drum end fixing consisting of dead turns permanently wound around a winch, the end of the rope being secured by means of a bolted clamp 3.3 filled socket socket end fixing into the brushed rope end is secured using molten metal 3.4 clamp socket type of end fixing incorporating a socket basket wherein the entire strands of the rope are separated from each other and secured between the socket basket and a conical shaped wedge, usually incorporating grooves to match them 3.5 bolted clamp accessory consisting of two grooved plates between which the entire rope is pressed and secured by means of bolts 3.6 lever winch accessory comprising a mechanism actuated by a lever and acting on two sets of jaws alternately gripping the rope and moving it longitudinally 3.7 socket basket part of the socket containing the metal or resin cone 3.8 slipping force maximum longitudinal force, which can be applied at a clamped rope before its initial slippage 4 Symbols and abbreviations Fmin Minimum breaking force of the rope (a
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