WO2011070151A1 - Revêtement à absorption acoustique appliqué sur des surfaces oscillantes, en particulier pour des véhicules ferroviaires et des lignes de chemin de fer, et procédé d'application du revêtement à absorption acoustique sur une surface pouvant être amenée à osciller - Google Patents

Revêtement à absorption acoustique appliqué sur des surfaces oscillantes, en particulier pour des véhicules ferroviaires et des lignes de chemin de fer, et procédé d'application du revêtement à absorption acoustique sur une surface pouvant être amenée à osciller Download PDF

Info

Publication number
WO2011070151A1
WO2011070151A1 PCT/EP2010/069372 EP2010069372W WO2011070151A1 WO 2011070151 A1 WO2011070151 A1 WO 2011070151A1 EP 2010069372 W EP2010069372 W EP 2010069372W WO 2011070151 A1 WO2011070151 A1 WO 2011070151A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
rail
foam
schaliabsorptionsbeschichtung
elastomeric foam
Prior art date
Application number
PCT/EP2010/069372
Other languages
German (de)
English (en)
Inventor
Jürgen Frenzel
Jochen Zingelmann
Gerd Glasner
Original Assignee
Frenzel Juergen
Jochen Zingelmann
Gerd Glasner
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Frenzel Juergen, Jochen Zingelmann, Gerd Glasner filed Critical Frenzel Juergen
Publication of WO2011070151A1 publication Critical patent/WO2011070151A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50—Other details
    • B61F5/52—Bogie frames
    • B61F5/526—Bogie frames comprising noise reducing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00—Wheels characterised by rail-engaging elements
    • B60B17/0006—Construction of wheel bodies, e.g. disc wheels
    • B60B17/0013—Construction of wheel bodies, e.g. disc wheels formed by two or more axially spaced discs
    • B60B17/0017—Construction of wheel bodies, e.g. disc wheels formed by two or more axially spaced discs with insonorisation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00—Wheels characterised by rail-engaging elements
    • B60B17/0006—Construction of wheel bodies, e.g. disc wheels
    • B60B17/0024—Construction of wheel bodies, e.g. disc wheels with noise reducing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00—Wheels characterised by rail-engaging elements
    • B60B17/0065—Flange details
    • B60B17/0068—Flange details the flange being provided on a single side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B37/00—Wheel-axle combinations, e.g. wheel sets

Definitions

  • the invention relates to a sound absorption coating on vibrating surfaces, with the protection of the surface against mechanical damage and corrosion, especially a reduction of the vibrations and thus of body shell production and as a result of airborne sound generation is to be achieved. Furthermore, the invention relates to a method for applying the Schaüabsorptionsbe Anlagenung on a vibratory surface.
  • the object of the invention is to provide a Schailabsorptionsbetikung on vibrating and / or vibrating surfaces, especially for rail vehicles and rail routes, the vibration absorption coating is easily applied and highly effective.
  • the elastomeric foam is materially bonded within the portion with the surface of the component.
  • the solution of the above object is further a method for producing a Schailabsorptionsbetikung, wherein in the process Elastomermateri- a! applied to a surface of a vibratory component including gas volumes, in particular sprayed on.
  • a closed-elastomeric foam is proposed, which is applied at least partially on the component surface.
  • the elastomeric foam is firmly bonded to the component connected. This is preferably done by a Kiebeharm.
  • the closed structure prevents direct passage of air through the foam stimulated by the vibrating surface.
  • the closed-cell elastomeric foam is in particular a highly tear-resistant elastic material which, in addition to its properties of vibration damping used according to the invention, also has an increased protective effect against corrosion and mechanical damage and acts as slip resistance.
  • elastomeric foam Due to its high elasticity of the elastomer foam, it protects the coated components from impact damage, while still allowing surface analysis for damage by ultrasonic or X-ray audits, as well as inspection for damage to the coating by optical inspection.
  • trapped gas eg air
  • the term "shell-celled” is understood to mean an elastomeric foam which has (hermetically) closed air or gas cells which are not in any fluid connection with one another.
  • the ESastomer foam is primarily an integral foam that forms a closed outer skin.
  • the start time can be set to up to 60 seconds, "cohesively" means in the context of the invention, in particular, that the boundary layer between the vibrating surface and the elastomeric foam (or an adhesive, with which the foam is connected to the vibrating surface) substantially is free of solid phases, so that the elastomer foam adheres to the surface by adhesion due to van der Waals forces.
  • the polymer foam or adhesive in the (if present) microstructure of the vibrating surface hooked are examples of the vibrating surface hooked.
  • the foam absorbs no moisture or in any case does not release it to the coated surface of the component, so that it is sealed off from air and water.
  • the closed-cell elastomer foam used according to the invention can be protected against UV radiation.
  • a further protective layer applied to the elastomeric foam This protective layer also has in particular elastomeric material.
  • the protective layer inert to the conventional dangerous goods or other chemical influences.
  • the eggastomer foam should in particular have mineral additives.
  • a foam having a pore volume of from 5% to 60%, preferably from 5% to 40% is suitable as elastomer foam to be used according to the invention.
  • the density of the elastomeric foam is preferably up to 1 g / cm and in particular it is between 0.5 to 0.7 g / cm ⁇ .
  • the elastomeric foam therefore preferably comprises a foam-forming adhesive of elastomeric material.
  • this elastomeric foam When applying this elastomeric foam (for example by spraying or application with a coating tool such as a doctor blade or the like) connects the elastomeric foam due to its adhesive effect directly to the surface of the component,
  • gas eg air
  • foaming process of, for example, a chemical reaction, as is known, for example, with PU foams.
  • the elastomer foam according to the invention ie the foaming, is therefore preferably the result of the (mechanical) application process.
  • the elastomer foam coating may be formed as a prefabricated molded body which is adhesively bonded to the surface of the component by means of an adhesive.
  • the adhesive preferably also has a closed-line elastomeric foam.
  • the component is a rail vehicle wheel and the surface is the inside and / or the outside of the wheel
  • the component is a watercraft hull and the surface is the inside and / or outside of the hull or an intermediate wall of the hull,
  • the component is a body part, in particular a subfloor, a land,
  • Watercraft or aircraft and the surface is one side of the bodywork
  • the component is a rail and the surface is arranged on the inside or outside of the rail web and / or on the rail foot, the component is a switch or crossing or crossing and the surface on a tongue, on a core and / or on a Stock rail of the switch, intersection or crossroads is arranged
  • the component is a meta-railway sleeper and the surface is an area at the railway sleeper or at a double-T beam of the railway bridge, whereby additionally an antislip effect is produced by coating the underside of the double-T beam resting on the ballast body,
  • the component is a machine part and the surface is a surface of the machine part
  • the component a soundproof hood, apron or cabin and the
  • the component is a structure such as e.g. Stahl stipulatentrasse for a railway line or a ballast and the surface is one side of the structure, in particular the underside of the steel bridge path or the top of the ballast body,
  • a roof covering or a cover for horizontal surfaces such as in particular a window sill and the surface is the inside or underside of the building part, in particular the roof covering and / or the window sill.
  • a track 10 which has a track superstructure in the form of a ballast body 12 embedded in this thresholds 14.
  • two rails 16 extend, on which rail vehicles drive with wheelsets 18 in a known manner.
  • this dampened components or at least parts of their vibrating surfaces so that already the formation of vibrations (body bail) and as a result, the formation of air scarf! is reduced.
  • Vibrating surfaces of the wheel-rail system include the inner sides 20 of the wheels 22 and the outer side 24 of the wheel axle 26 of the wheelsets 18 and the inner and outer sides 28,30 of the webs 32 and feet 34 of the rails 16.
  • Other oscillating surfaces the running surfaces 36 of the wheels 22 and the rolling surfaces 38 on the rail heads 40 of the rails sixteenth
  • the surfaces described above are functionally required for the wheel-rail system, they must remain unchanged for safety reasons. The situation is different with the oscillating surfaces, which play a minor role in the function of the wheel-rail system.
  • the axle on its outer side and the wheels on their outer and / or inner sides, the rail webs and rail feet can be provided with a vibration absorption coating, which restrains the formation of structure-borne noise and as a result of airborne sound.
  • a closed-cell elastomeric foam 42 is used for the vibration absorption coating.
  • This elastomeric foam 42 is applied in particular by spraying in one or more layers.
  • the elastomeric foam 42 is high strength and elastic. It seals the surfaces against moisture because its closed-cell structure prevents moisture from entering.
  • the closed-cell elastomeric foam has an adhesive function and is therefore known as foaming adhesive made of closed elastomeric material.
  • the elastomeric foam 42 is about 10 to 30 mm thick.
  • the elastomer foam 42 may still be covered by a (further protective) layer 44.
  • the invention proposes a system for absorbing vibrations / kinetic energy by deformation of closed-celled eggastomer foam, which is firmly connected to the vibrating surface.
  • the closed eggastomer foam is a so-called integral foam, which forms a closed relatively thick skin.
  • the elastomeric foam system according to the invention can be adjusted in terms of its starting time, specifically up to 60 seconds.
  • the foamable material can be cast, sprayed or doctored.
  • the shot-celled eggastomer foam develops an extremely strong adhesion, in particular to rough surfaces, by penetration into the microstructure and by the action of van der Waals forces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Railway Tracks (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un revêtement à absorption acoustique appliqué sur des surfaces oscillantes, en particulier pour des véhicules ferroviaires et des lignes de chemin de fer. Le revêtement est pourvu d'un élément (16, 18) pouvant être amené à osciller et présentant une surface (20, 24, 28, 30), ainsi que d'une mousse élastomère (42) à cellules fermées sur au moins une zone partielle de la surface (20, 24, 28, 30) de l'élément, la mousse élastomère (42) étant reliée par liaison de matière à la surface (20, 24, 28, 30) de l'élément (16, 18), à l'intérieur de la zone partielle.
PCT/EP2010/069372 2009-12-10 2010-12-10 Revêtement à absorption acoustique appliqué sur des surfaces oscillantes, en particulier pour des véhicules ferroviaires et des lignes de chemin de fer, et procédé d'application du revêtement à absorption acoustique sur une surface pouvant être amenée à osciller WO2011070151A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09178603A EP2332802A1 (fr) 2009-12-10 2009-12-10 Dispositif d'absorption sur des surfaces oscillantes, notamment pour des véhicules sur rail et des voies ferrées
EP09178603.8 2009-12-10

Publications (1)

Publication Number Publication Date
WO2011070151A1 true WO2011070151A1 (fr) 2011-06-16

Family

ID=42145096

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/069372 WO2011070151A1 (fr) 2009-12-10 2010-12-10 Revêtement à absorption acoustique appliqué sur des surfaces oscillantes, en particulier pour des véhicules ferroviaires et des lignes de chemin de fer, et procédé d'application du revêtement à absorption acoustique sur une surface pouvant être amenée à osciller

Country Status (2)

Country Link
EP (1) EP2332802A1 (fr)
WO (1) WO2011070151A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016213262A1 (de) * 2016-07-20 2018-01-25 Bayerische Motoren Werke Aktiengesellschaft Kraftfahrzeug
DE102016214522A1 (de) * 2016-08-05 2018-02-08 Contitech Luftfedersysteme Gmbh Schallgedämpftes Schienenfahrzeugrad
AT523425B1 (de) * 2020-03-12 2021-08-15 Siemens Mobility Austria Gmbh Rad für Fahrzeuge

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29918592U1 (de) * 1999-04-30 2000-01-27 Resch Johann Geräuschgedämpftes Scheibenrad mit Metallscheibe
DE10241755A1 (de) 2002-09-10 2004-03-18 Elh Eisenbahnlaufwerke Halle Gmbh & Co. Kg Güterwagendrehgestell mit verminderter Lärmemission
US20070114812A1 (en) * 2006-07-11 2007-05-24 Hunt Christopher H Insulation Panel
US20070290061A1 (en) * 2006-06-16 2007-12-20 Ryan Michael Sears Rubber laminate and composites including the laminate
EP2033823A2 (fr) * 2007-09-07 2009-03-11 Carcoustics TechConsult GmbH Ecran de fermeture pour une ouverture d'aération, en particulier pour une ouverture d'aération d'un véhicule automobile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29918592U1 (de) * 1999-04-30 2000-01-27 Resch Johann Geräuschgedämpftes Scheibenrad mit Metallscheibe
DE10241755A1 (de) 2002-09-10 2004-03-18 Elh Eisenbahnlaufwerke Halle Gmbh & Co. Kg Güterwagendrehgestell mit verminderter Lärmemission
US20070290061A1 (en) * 2006-06-16 2007-12-20 Ryan Michael Sears Rubber laminate and composites including the laminate
US20070114812A1 (en) * 2006-07-11 2007-05-24 Hunt Christopher H Insulation Panel
EP2033823A2 (fr) * 2007-09-07 2009-03-11 Carcoustics TechConsult GmbH Ecran de fermeture pour une ouverture d'aération, en particulier pour une ouverture d'aération d'un véhicule automobile

Also Published As

Publication number Publication date
EP2332802A1 (fr) 2011-06-15

Similar Documents

Publication Publication Date Title
EP1982019B1 (fr) Procédé de production d'un corps de ballast soumis à un moussage partiel pour une superstructure de voie ferroviaire
EP0404756B1 (fr) Superstructure équipée de rails et son procédé d'obtention
EP0440597B1 (fr) Superstructure et infrastructure de voie pour véhicules ferroviaires
EP1619305A2 (fr) Assiette de voie partiellement injectée avec une mousse
DE102008002836A1 (de) Niedrige Lärmschutzwand an Gleisen
WO2011070151A1 (fr) Revêtement à absorption acoustique appliqué sur des surfaces oscillantes, en particulier pour des véhicules ferroviaires et des lignes de chemin de fer, et procédé d'application du revêtement à absorption acoustique sur une surface pouvant être amenée à osciller
DE102008047044A1 (de) Fahrzeug mit akustisch wirksamer Radhausauskleidung
EP2108738A1 (fr) Radier de traverse
DE102006028740B4 (de) Kontinuierliche elastische Schienenlagerung
EP3380672B1 (fr) Rail avec isolation électrique
EP0945547B1 (fr) Dispositif anti-bruit pour voies de chemin de fer
DE3824577A1 (de) Laermschutzvorrichtung fuer eisenbahngleise
DE102005055575B4 (de) Fahrbahn für Schienenfahrzeuge und Verfahren zu ihrer Herstellung
AT399522B (de) Schallgedämpfte schiene
AT412736B (de) Schallschutzwand
AT370461B (de) Verfahren zum herstellen eines elastisch gelagerten troges aus stahlbeton als koerperschalldaemmende tragkonstruktion fuer den oberbau einer schienenbahn, insbesondere auf innerstaedtischen tunnelstrecken
DE102009019683B4 (de) Dynamisch optimiertes Schottergleis mit Querschwellen aus Spannbeton
DE4419886A1 (de) Schallschutz-Beschichtung mit einem Kunststoff-Gummi-Granulat
AT408999B (de) Bahnsteig
DE202005005428U1 (de) Lärmschutzelement zur Errichtung von Lärmschutzwänden
DE102015015554A1 (de) Verfahren zur Reduzierung der Schallemission von Schienen
AT405423B (de) Oberbau, insbesondere schotterloser oberbau
WO2007147581A2 (fr) Assiette des rails élastique continue
EP0773322B1 (fr) Superstructure sans ballast pour circulation sur rails
DE10224286B4 (de) Gleis für Schienenfahrzeuge sowie Verfahren zum Herstellen eines Gleises

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10788339

Country of ref document: EP

Kind code of ref document: A1

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10788339

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10788339

Country of ref document: EP

Kind code of ref document: A1