1、BSI Standards PublicationBS EN 13802:2013Railway applications Suspension components Hydraulic dampersBS EN 13802:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 13802:2013. Itsupersedes BS EN 13802:2004 which is withdrawn.The UK participation in its prepara
2、tion was entrusted to TechnicalCommittee RAE/3/-/4, Railway Applications - Suspension components.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsi
3、ble for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 76215 4ICS 45.040Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy
4、 and Strategy Committee on 31 December 2013.Amendments issued since publicationDate Text affectedBS EN 13802:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13802 December 2013 ICS 45.040 Supersedes EN 13802:2004English Version Railway applications - Suspension components - Hydraulic damper
5、s Applications ferroviaires - Elments de suspension - Amortisseurs hydrauliques Bahnanwendungen - Federungselemente - Hydraulische Dmpfer This European Standard was approved by CEN on 5 October 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the condit
6、ions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical 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
7、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 standa
8、rds 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, Slov
9、enia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved
10、 worldwide for CEN national Members. Ref. No. EN 13802:2013 EBS EN 13802:2013EN 13802:2013 (E) 2 Contents Page Foreword 4 1 Scope 6 2 Normative references 6 3 Terms, definitions and symbols .6 3.1 Terms and definitions .7 3.2 Symbols 8 4 Method of specifying 14 4.1 Overview 14 4.1.1 General . 14 4.1
11、.2 Operational environment . 14 4.1.3 Technical requirements . 14 4.2 Operational environment requirements . 16 4.2.1 Service conditions 16 4.2.2 Climatic conditions . 16 4.2.3 Special environmental conditions 17 4.2.4 Vibrational exposure 18 4.3 Physical characteristics . 18 4.3.1 Strength . 18 4.3
12、.2 Fire resistance . 18 4.3.3 Surface protection 18 4.3.4 Noise 18 4.3.5 Whole life environmental impact. 19 4.3.6 Leakage 19 4.3.7 Length and stroke . 19 4.3.8 Overall dimensions and interface . 19 4.3.9 Mass . 19 4.4 Functional requirements 20 4.4.1 Orientation . 20 4.4.2 Nominal force (c,vnF ,e,v
13、nF ) and nominal velocity (nv ) . 20 4.4.3 Maximum force (cmax,vmaxF , emax,vmaxF ) and maximum velocity (maxv ) . 20 4.4.4 Force as a function of displacement characteristic 20 4.4.5 Force as a function of velocity characteristic . 24 4.4.6 Dynamic characteristics 27 4.4.7 Priming . 29 5 Test metho
14、ds . 29 5.1 General requirements . 29 5.1.1 Test compliance 29 5.1.2 Testing machine 29 5.1.3 Test temperature . 30 5.1.4 Test sample . 30 5.2 Operational environment requirements . 30 5.2.1 Service conditions 30 5.2.2 Climatic conditions . 31 5.2.3 Special environmental conditions 34 5.2.4 Vibratio
15、nal exposure 34 5.3 Physical characteristics . 35 5.3.1 Strength . 35 5.3.2 Fire resistance . 35 BS EN 13802:2013EN 13802:2013 (E) 3 5.3.3 Surface protection . 35 5.3.4 Noise . 35 5.3.5 Whole life environmental impact . 35 5.3.6 Leakage 36 5.3.7 Length and stroke . 36 5.3.8 Overall dimensions and in
16、terface 36 5.3.9 Mass 36 5.4 Functional requirements. 36 5.4.1 Orientation . 36 5.4.2 Nominal force (c,vnF ,e,vnF ) and nominal velocity (nv ) 37 5.4.3 Maximum force (cmax,vmaxF , emax,vmaxF ) and maximum velocity (maxv ) 37 5.4.4 Force as a function of displacement characteristic 37 5.4.5 Force as
17、a function of velocity characteristic 39 5.4.6 Dynamic characteristics . 39 5.4.7 Priming . 39 6 Production control 40 6.1 General . 40 6.2 Product verification . 40 6.3 Results of the tests . 40 7 Marking . 40 8 Packaging . 41 9 Maintainability 41 Annex A (informative) Damper specification . 42 Ann
18、ex B (informative) Damper dimensions . 46 B.1 Range of damper overall dimensions . 46 B.2 Calculating the damper length . 47 B.3 Preferred end mounting dimensions . 50 Annex C (informative) Nominal velocities 53 Annex D (informative) Examples of force as a function of velocity characteristic 54 Anne
19、x E (informative) Checks and tests to be performed according to damper category . 56 Annex F (informative) Dynamic test velocities 57 Annex G (informative) Conformity assessment procedures, samples, validity and monitoring 58 G.1 Conformity assessment procedure of the product 58 G.2 Validity of the
20、product approval 59 G.3 Control and monitoring of production quality . 59 G.4 Traceability . 59 Bibliography 60 BS EN 13802:2013EN 13802:2013 (E) 4 Foreword This document (EN 13802:2013) has been prepared by Technical Committee CEN/TC 256 “Railway applications”, the secretariat of which is held by D
21、IN. 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 June 2014, and conflicting national standards shall be withdrawn at the latest by June 2014. Attention is drawn to the possibility that some of
22、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 such patent rights. This document supersedes EN 13802:2004. This document has been prepared under a mandate given to CEN by the European Commission and the E
23、uropean Free Trade Association. The main changes with respect to the previous edition are listed below. Clause 1 The complete hydraulic dampers, with their end mountings, are now considered in the scope. This new consideration has been taken into account in the whole standard. Clause 2 The normative
24、 references have been updated. 4.2.1.2 A new item concerning the life cycle of the dampers has been added. 4.2.2.2 The value of minao,T to take by default has been decreased. 4.2.2.3 The value of minae,T to take by default has been decreased. 4.2.4 and 5.2.4 The requirements concerning the behaviour
25、 against the vibrational exposures are now given as recommendations. 4.3.3 A criterion about of the surface protection has been defined. 4.3.4 A criterion about the noise generated by the damper has been defined. 4.3.9 The supply of the value of the mass is now required. 4.4.1 A criterion about the
26、orientation of the damper has been defined. 4.4.6 and 5.4.6 The definition of the dynamic characteristics of the dampers has been revised. 6.3 Requirements about the serial tests have been added. Clause 7 The position of the permanent marking of horizontally orientated dampers has been specified. B.
27、2 Methods of calculation of the damper length have been defined in this new sub-clause. BS EN 13802:2013EN 13802:2013 (E) 5 B.3 Preferred interface dimensions of end mountings have been defined in this new sub-clause. Annex F Dynamic test velocities have been defined in this new annex. NOTE The abov
28、e list of changes includes the significant technical changes from EN 13802:2004 but is not an exhaustive list of all modifications from the previous version. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this
29、 European Standard: 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
30、, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 13802:2013EN 13802:2013 (E) 6 1 Scope This European Standard applies to hydraulic dampers and their end mountings used on rail vehicles. The dampers covered in this standard include: dampers that control the dynamic behavio
31、ur of a vehicle: suspensions dampers, (e.g. primary vertical dampers, secondary vertical dampers and secondary lateral dampers); yaw dampers; roll dampers; inter-vehicles dampers. dampers that control the dynamic behaviour of mechanical systems: pantograph dampers; motor dampers, etc. All relevant t
32、erminology which is specific to the subject is defined in this European Standard. 2 Normative references The following documents, 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 unda
33、ted references, the latest edition of the referenced document (including any amendments) applies. EN 13913, Railway applications Rubber suspension components Elastomer-based mechanical parts EN 14363, Railway applications Testing for the acceptance of running characteristics of railway vehicles Test
34、ing of running behaviour and stationary tests EN ISO 2813, Paints and varnishes Determination of specular gloss of non-metallic paint films at 20, 60 and 85 (ISO 2813) EN ISO 9227, Corrosion tests in artificial atmospheres Salt spray tests (ISO 9227) 3 Terms, definitions and symbols For the purposes
35、 of this document, the following terms, definitions and symbols apply. NOTE 1 In this document, the spatial characteristics of the damper are defined with reference to its axes (see Figure 1). Axial characteristics are defined along the X-axis. Extension of the damper is defined as positive and comp
36、ression as negative. Transverse characteristics are defined in the Y-Z plane. Rotations are defined as positive in a clockwise direction. NOTE 2 Decimal multiple and sub-multiple of units defined below can be used. BS EN 13802:2013EN 13802:2013 (E) 7 3.1 Terms and definitions 3.1.1 damper hydraulic
37、damper with end mountings 3.1.2 hydraulic damper device with a fluid as the damping medium 3.1.3 damper characteristic relationship (assuming that there is no force as a function of velocity phase shift) between damper force and damper velocity established at a damper displacement of large amplitude
38、 and low frequency to discount the dynamic influence of the damper structure and fluid stiffness 3.1.4 damper displacement displacement or stroke, relative axial displacement of the damper ends 3.1.5 damper fluid damping medium (usually oil) 3.1.6 damper specification document used to define the per
39、formance requirements and capabilities of a damper (see Annex A) 3.1.7 dynamic damper characteristic damper characteristic (see 3.1.3), but including the phase shift effect, and thus including influence of damper structure and fluid stiffness 3.1.8 end mounting components fitted at both ends of the
40、damper for its mounting on the vehicle, usually elastomer based component Note 1 to entry: Mountings are not specified in detail in this document. 3.1.9 friction characteristic type damper hydraulic damper that has a diagram force as a function of displacement which has a more or less rectangular sh
41、ape (see Figure 7) 3.1.10 leakage visible evidence of accumulation of fluid, which has originated from within the damper 3.1.11 priming operation allowing the removal of temporary imperfection to the damper characteristic caused by entrapment of gas (usually air) in the damper pressure chamber 3.1.1
42、2 life time total time or distance travelled in which a damper remains in service use until its final withdrawal Note 1 to entry: The life time can consist of several service intervals. BS EN 13802:2013EN 13802:2013 (E) 8 3.1.13 service interval minimum continuous time or distance travelled in which
43、 a damper remains in service use, with only periodic visual inspections and without any dismounting or repairing 3.1.14 symmetrical damper characteristic damper characteristic (see 3.1.3) having the same compression and extension force as a function of velocity characteristic throughout the operatin
44、g range (see Figure 8) 3.1.15 asymmetric damper characteristic damper characteristic (see 3.1.3) not having the same compression and extension force as a function of velocity characteristic throughout the operating range (see Figure 9) 3.2 Symbols AcJ Area of the force/displacement diagram that is t
45、he dissipated energy in a cycle dc N.s/m Dynamic damping rate, this includes the effect of phase shift cdm Compression margin, the part of damper compression travel never reached by the piston during operation in the given mechanical system NOTE 1 minmin,LLdu=cFnullc,d m Displacement corresponding t
46、o zero force value in compression (measured on the diagram force as a function of displacement and is negative by convention). ed m Extension margin, the part of damper extension travel never reached by the piston during operation in the given mechanical system NOTE 2 max,max ueLLd = Fnulle,d m Disp
47、lacement corresponding to zero force value in extension (measured on the diagram force as a function of displacement and is positive by convention) nd m Nominal travel, the travel over which the damper meets the operational requirements established by the damper specification NOTE 3 The nominal trav
48、el is indicative of the operating travel of the damper in the given mechanical system. wd m Working stroke NOTE 4 min,max, uuwLLd = BS EN 13802:2013EN 13802:2013 (E) 9 0d m Damper displacement amplitude at sinusoidal motion NOTE 5 ( ) ( )tdtd = sin0maxD m Diameter of an envelope cylinder in which th
49、e main body of the damper shall be contained (dust guard included) (see Figures 2 and 3) resD m Diameter of the additional damper reservoir envelope (see Figure 3) f Hz Excitation frequency NOTE 6 f = / (2 x ) either f = 0v / (2 x x 0d ) F N Damper force, the axial force of the damper vnc,F N Nominal damper compression force (is negative by convention) NOTE 7 Force at nominal velocity. v0c,F N Damper compression force at maximum velocity of the test (measured a
