prEN 13232-4

Railway applications - Track - Switches and crossings for Vignole rails - Part 4: Actuation, locking and detection

This European Standard determines the interface between moveable parts and the actuation, locking and detection equipment, and defines the basic criteria of switches and crossing with moveable parts in respect of the interface.
It concerns:
- rules parameters and tolerances for alternative positions of the moveable parts;
- criteria and limits for the forces which move and restrain the moveable parts.

Bahnanwendungen - Oberbau - Weichen und Kreuzungen für Vignolschienen - Teil 4: Umstellung, Verriegelung und Lageprüfung

Applications ferroviaires - Voie - Appareils de voie pour rails Vignole - Partie 4 : Manœuvre, blocage et contrôle

Le présent document détermine l'interface entre les ensembles mobiles et l'équipement de manœuvre, de blocage et de contrôle. Il définit les critères de bases des appareils de voie à parties mobiles en rapport à cette interface.
Il définit :
- les règles, les paramètres et les tolérances en fonction de la position des parties mobiles ;
- les critères et limites concernant les forces appliquées aux parties mobiles pour les déplacer et les immobiliser.

Železniške naprave - Zgornji ustroj proge - Kretnice in križišča za Vignolove tirnice - 4. del: Postavljalna naprava in kontrola lege ostrice

General Information

• Status: Not Published
• ICS: 93.100 - Construction of railways
• Technical Committee: CEN/TC 256 - Railway applications
• Drafting Committee: CEN/TC 256/SC 1/WG 18 - Switches and crossings - Performance and acceptance
• Current Stage: 4599 - Dispatch of FV draft to CMC - Finalization for Vote
• Due Date: 07-Sep-2021
• Completion Date: 07-Sep-2021
• Directive: 2008/57/EC - Directive 2008/57/EC of the European Parliament and of the Council of 17 June 2008 on the interoperability of the rail system within the Community (Recast)
• Directive: 2016/797/EU - Directive (EU) 2016/797 of the European Parliament and of the Council of 11 May 2016 on the interoperability of the rail system within the European Union (Text with EEA relevance)
• Mandate: M/483 - Mandate for programming and standardisation addressed to the European standardisation bodies under directive 2008/57/EC in the field of the interoperability of the rail system within the European Union
• Ref Project: oSIST prEN 13232-4:2020 - Railway applications - Track - Switches and crossings for Vignole rails - Part 4: Actuation, locking and detection

RELATIONS

• Revised: EN 13232-4:2005+A1:2011 - Railway applications - Track - Switches and crossings - Part 4: Actuation, locking and detection
• Effective Date: 31-Oct-2018

Standards Content (sample)

SLOVENSKI STANDARD
oSIST prEN 13232-4:2020
01-marec-2020

Železniške naprave - Zgornji ustroj proge - Kretnice in križišča za Vignolove tirnice

- 4. del: Postavljalna naprava in kontrola lege ostrice

Railway applications - Track - Switches and crossings for Vignole rails - Part 4:

Actuation, locking and detection
Bahnanwendungen - Oberbau - Weichen und Kreuzungen für Vignolschienen - Teil 4:
Umstellung, Verriegelung und Lageprüfung

Applications ferroviaires - Infrastructure - Appareils de voie - Partie 4: Manuvre, blocage

et contrôle
Ta slovenski standard je istoveten z: prEN 13232-4
ICS:
45.080 Tračnice in železniški deli Rails and railway
components
oSIST prEN 13232-4:2020 en,fr,de

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

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oSIST prEN 13232-4:2020
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oSIST prEN 13232-4:2020
DRAFT
EUROPEAN STANDARD
prEN 13232-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
January 2020
ICS 93.100 Will supersede EN 13232-4:2005+A1:2011
English Version
Railway applications - Track - Switches and crossings for
Vignole rails - Part 4: Actuation, locking and detection

Applications ferroviaires - Infrastructure - Appareils de Bahnanwendungen - Oberbau - Weichen und

voie - Partie 4: Man¿uvre, blocage et contrôle Kreuzungen für Vignolschienen - Teil 4: Umstellung,

Verriegelung und Lageprüfung

This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee

CEN/TC 256.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, 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
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 13232-4:2020 E

worldwide for CEN national Members.
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Contents Page

European foreword ....................................................................................................................................................... 3

1 Scope .................................................................................................................................................................... 4

2 Normative references .................................................................................................................................... 4

3 Terms and definitions ................................................................................................................................... 4

3.1 General ................................................................................................................................................................ 4

3.2 Actuation forces ............................................................................................................................................... 6

3.3 Geometrical parameters ............................................................................................................................... 7

3.4 Movement and retention of switches and crossings with moveable parts ............................. 10

3.5 Movement of switch rails .......................................................................................................................... 11

3.6 Dynamics of the wheel ................................................................................................................................ 12

3.7 Dynamics of switches .................................................................................................................................. 13

4 Design criteria ............................................................................................................................................... 13

4.1 Parameters required .................................................................................................................................. 13

4.2 Calculations and verifications ................................................................................................................. 13

4.2.1 Object detection between stock rail and switch rail ....................................................................... 13

4.2.2 Calculation of minimum flangeway ....................................................................................................... 14

4.2.3 Correct closing............................................................................................................................................... 15

4.2.4 Neutral position ............................................................................................................................................ 15

4.2.5 Negative force ................................................................................................................................................ 15

4.2.6 Mechanical integrity ................................................................................................................................... 15

5 Test methods ................................................................................................................................................. 15

5.1 Obstacle detection ....................................................................................................................................... 15

5.2 Minimum flangeway / free passage of wheel ..................................................................................... 15

5.3 Correct closing............................................................................................................................................... 16

5.4 Actuation force, F ........................................................................................................................................ 16

5.5 Neutral position ............................................................................................................................................ 16

5.6 Negative force ................................................................................................................................................ 16

5.7 Trailability ...................................................................................................................................................... 17

5.7.1 General ............................................................................................................................................................. 17

5.7.2 Factory testing ............................................................................................................................................... 17

5.7.3 Track testing .................................................................................................................................................. 17

6 Acceptance ...................................................................................................................................................... 17

6.1 General ............................................................................................................................................................. 17

6.2 Standard testing (no prototypes) ........................................................................................................... 17

6.3 Prototype testing .......................................................................................................................................... 18

6.4 Testing requirements for change in flexibility .................................................................................. 18

Annex A (informative) Commonly used values for obstacle detection ................................................... 19

Annex B (informative) Commonly used values for flangeway ................................................................... 20

Annex ZA (informative) Relationship between this European Standard and the Essential

Requirements of EU Directive 2016/797/EU aimed to be covered ........................................... 21

Bibliography ................................................................................................................................................................. 23

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European foreword

This document (prEN 13232-4:2020) has been prepared by Technical Committee CEN/TC 256 “Railway

applications”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 13232-4:2005+A1:2011.

This document has been prepared under a mandate given to CEN/CENELEC/ETSI by the European

Commission and the European Free Trade Association, and supports essential requirements of EU

Directive 2016/797/EU.

For relationship with EU Directive 2016/797/EU, see informative Annex ZA, which is an integral part of

this document.

This series of standards “Railway applications – Track – Switches and crossings for Vignole rails” covers

the design and quality of switches and crossings in flat bottomed rail. The list of Parts is as follows:

— Part 1: Definitions
— Part 2: Requirements for geometric design
— Part 3: Requirements for wheel/rail interaction
— Part 4: Actuation, locking and detection
— Part 5: Switches
— Part 6: Fixed common and obtuse crossings
— Part 7: Crossings with moveable parts
— Part 8: Expansion devices
— Part 9: Layouts

Part 1 contains terminology used throughout all parts of this series. Parts 2 to 4 contain basic design

guides and are applicable to all switch and crossing assemblies. Parts 5 to 8 deal with particular types of

equipment including their tolerances. These use Parts 1 to 4 as a basis. Part 9 defines the geometric and

non-geometrical acceptance criteria for inspection of layouts.
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1 Scope

This document determines the interface between moveable parts and the actuation, locking and

detection equipment, and defines the basic criteria for switches and crossing with moveable parts in

respect of the interface.
It concerns:

— rules, parameters and tolerances for alternative positions of the moveable parts;

— criteria and limits for the forces which move and restrain the moveable parts.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements 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.

prEN 13232-3:2020, Railway applications – Track – Switches and crossings for Vignole rails – Part 3:

Requirements for wheel/rail interaction

prEN 13232-5:2020, Railway applications – Track – Switches and crossings for Vignole rails – Part 5:

Switches

prEN 13232-6:2020, Railway applications – Track – Switches and crossings for Vignole rails – Part 6:

Fixed common and obtuse crossings

prEN 13232-7:2020, Railway applications – Track – Switches and crossings for Vignole rails – Part 7:

Crossings with moveable parts
3 Terms and definitions

For the purposes of this document, the following terms and definitions apply. ISO and IEC maintain

terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
3.1 General
3.1.1
customer

term used to define one party involved in using the EN as the technical basis for a transaction: the

Operator or User of the equipment, or the Purchaser of the equipment on the User's behalf

3.1.2
supplier

term used to define one party involved in using the EN as the technical basis for a transaction: the Body

responsible for the use of the EN in response to the Customer's requirements
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3.1.3
actuation system

system that ensures the correct movement of the moveable parts of the switch and crossing

Note 1 to entry: The actuation system includes the rods, links and actuators needed to ensure the operation.

Note 2 to entry: The actuation system may be either electric, hydraulic, manual, etc.

3.1.4
locking device

device that ensures the moveable part of the switches and crossings stays in the desired position

Note 1 to entry: It guarantees the correct position of the moveable part during the passage of the vehicle.

3.1.5
detection device

device that enables the verification of the correct positioning of the moveable part of the switch and

crossing

Note 1 to entry: It enables the signalling to decide whether safe train passage can be guaranteed.

3.1.6
trailability

ability of actuator and locking systems to permit the trailing of the switches and crossings by a vehicle

3.1.7
trailable devices (as non-standard operation)
devices which permit trailing as a non-standard operation
Note 1 to entry: Parts of the switch may be slightly damaged.

Note 2 to entry: The switches and crossings will only be released for further operation after full inspection of

switch and actuator.
3.1.8
trailable devices (as standard operation)
devices which permit trailing at a defined maximum speed as a standard operation

Note 1 to entry: The actuator and locking system permits the trailing of the switches and crossings by a

vehicle, without damaging any part of it.
3.1.9
non-trailable devices

devices which do not permit the trailing of the switches and crossings by a vehicle

3.1.10
single drive
drive operated at one position, i.e. the switch toe
3.1.11
multiple drives

drives operated at more than one position. In this case there may be either single or multiple locking

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3.1.12
non-lubricated slide baseplates

no lubrication on the slide baseplates is required to ensure the correct actuation of the switch and

crossing

Note 1 to entry: This can be ensured by special baseplates, roller systems or other devices.

3.1.13
lubrication free actuator and locking system

no lubrication is required to ensure the correct actuation and locking of the switch and crossing

3.1.14
switches and switch diamond crossings – closed position
switch rail is applied to its corresponding stock rail
3.1.15
switches and switch diamond crossings – open position

switch rail stands away from its corresponding stock rail by a defined distance (switch toe opening)

3.1.16
common crossings with moveable parts – closed position
running edge (of main line or branch line) is not interrupted
3.2 Actuation forces
3.2.1
actuation force

maximum value of the force, applied by the actuator in order to operate the moveable parts of the

switches and crossings (see Figure 1)

Note 1 to entry: This force is measured at the interface between actuator and the throwing or locking device.

3.2.2
actuator capacity
cap
maximum force the actuator can provide (see Figure 1)
3.2.3
negative force
neg
force needed to keep the moveable part at its closed position
3.2.4
retaining force

force, provided by the actuator to keep the moveable parts in their positions, during vehicle passage

3.2.5
locking force

force the locking device guarantees and applies to the moveable parts in order to keep them at their

locked position
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Key
1 Actuation force
2 Displacement
Figure 1 — Actuation forces
3.3 Geometrical parameters
3.3.1
distance block gap
stud
stud gap
stud

gap between the stud (distance block) supporting surface and the corresponding surface of the

moveable part (i.e. switch rail, point rail, wing rail)
3.3.2
longitudinal displacement

displacements which may occur in the switch and crossing area due to thermal, acceleration and

braking forces

Note 1 to entry: These forces can create differential displacement between the various components of the

switch or crossing. Differential displacement between switch and stock rail is the most important with regard to

the switch actuation, locking and detection system.
3.3.2.1
switches: differential toe tip displacement (y)

longitudinal displacement between the switch rail and the corresponding stock rail. It may be indicated

by a reference point placed on the stock rail
3.3.2.2
switches: differential displacement at the heel block (z)

longitudinal displacement between the switch rail and the corresponding stock rail, at the switch heel

3.3.2.3
crossings with moveable parts: differential displacement

longitudinal displacement between point or switch rail and the corresponding housing (wing rail)

Note 1 to entry: This displacement is defined at the nose point. In order to be able to measure the swing nose or

switch toe displacement, a reference point may be placed on the wing rail
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3.3.3
maximum gap of closed switch rail
gap

maximum permissible parallel distance between the two machined contact faces of the switch and stock

rail to give detection

Note 1 to entry: A different value applies in front of the first detection position (dgap1) than in the rest of the

machined area (d ). See Figures 2 and 3.
gap2

Note 2 to entry: The same definition applies in principle to crossings with moveable parts.

3.3.4
maximum gap at closed switch toe
toe

maximum permissible horizontal distance between the two machined contact faces of the switch and

stock rail to give safe operation

Note 1 to entry: The dimension is defined at the switch toe. This basic dimension is taken into account during

switch point design to avoid derailment.
Key
1 dgap (either dgap1 or dgap2)
2 d
toe
Figure 2 — Gap of closed switch rail
Key
1 dgap or dtoe
Figure 3 — Maximum gap of closed switch rail
3.3.5
foot clearance
foot

distance between the foot of the switch rail and the nearest part of the stock rail or any other

component (bolt, heaters etc.) fixed to it, ensuring clearance between both is maintained (see Figure 4)

Note 1 to entry: The clearance may be required to accommodate additional equipment (e.g. heaters, cable

connections).
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Key
1 dfoot
Figure 4 — Foot clearance
3.3.6
toe movement

movement of the toe, when moved by the actuator. It is the distance between open and closed position

at the toe (see Figure 5)
Key
1 Actuation position
Figure 5 — Opening and flangeway
3.3.7
opening at the drive position
movement of the switch rail at the drive position

Note 1 to entry: This movement is less than the toe movement (see also Figure 5)

3.3.8
neutral switch rail position
position of the switch rail, if no external effort is applied to it

Note 1 to entry: The neutral position may be considered to be at the first drive position. The same principle

applies to crossings with moveable parts.
3.3.9
actuator movement
movement of the actuator rod
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...