EP0622286B1 - Sound damping supporting element for vehicles, especially for railway vehicles - Google Patents
Sound damping supporting element for vehicles, especially for railway vehicles Download PDFInfo
- Publication number
- EP0622286B1 EP0622286B1 EP94106192A EP94106192A EP0622286B1 EP 0622286 B1 EP0622286 B1 EP 0622286B1 EP 94106192 A EP94106192 A EP 94106192A EP 94106192 A EP94106192 A EP 94106192A EP 0622286 B1 EP0622286 B1 EP 0622286B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- profile
- sound
- supporting element
- insulating
- members according
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000013016 damping Methods 0.000 title description 8
- 239000011810 insulating material Substances 0.000 claims description 8
- 230000000704 physical effect Effects 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 229920005830 Polyurethane Foam Polymers 0.000 claims 2
- 239000011496 polyurethane foam Substances 0.000 claims 2
- 239000013013 elastic material Substances 0.000 claims 1
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001447 compensatory effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/18—Internal lining, e.g. insulating
- B61D17/185—Internal lining, e.g. insulating for sound insulating
Definitions
- the innovation relates to a sound-absorbing support element for cover bodies, in particular for the formation of floors in railway vehicles for passenger transport, consisting of a rigid profile fastened to the support body or to the cover body, which is elastically supported against the respective other body with the interposition of an insulation element.
- load-bearing, sound-insulating components which should be suitable in particular for the formation of roofs, walls or floors, have a hat-shaped profile which is fastened to a base support and carries a cover plate via a damping strip. The free ends of the profile engage in correspondingly shaped recesses in the damping strip.
- the damping strip has grooves and a metal rail held therein which, for releasable fastening with the cover plate in axial extension to recesses in the damping strip, have bores for receiving through the cover plate Has screws, with a projection covering the bend of the profile holding the metal rail.
- DE 41 29 716 A1 discloses a floor for vehicles, in particular rail vehicles, with a support element designed as a box-like hollow profile, in the area of which elements of the inner floor are connected to the base body by means of an elastic insert.
- the support element is designed as a cage with a lower and upper part of the cage, which encloses an elastic insulating body over its entire length.
- the insulating body is fixed by means of webs arranged on the lower and upper part of the cage and thus connects both parts of the cage elastically to one another.
- the innovation is based on the object of developing a sound-absorbing support element of the type mentioned in such a way that the insulation behavior of the support elements is improved over the frequency range from 0 to about 200 Hertz.
- this object is achieved by a generic, sound-absorbing support element with the characterizing features according to claim 1.
- An elastic profile strip 2 is fastened on a carrier body 1 of a vehicle structure. The attachment is made by a clamp.
- the elastic profile strip 2 has recesses 3, in which approaches 4 of a rigid, at least partially open on one side, rigid hollow profile 5 with lateral webs 5a, 5b engage and the hollow profile 5 is fixed in this way by a press fit.
- a rigid profile 6 extends parallel and on the side of the opening of the hollow profile 5 and engages with an integrally formed web 7 in the open hollow profile 5.
- the hollow profile 5 and the profile 6 are connected to one another at a distance by means of an elastic insulating material 8.
- a cover body 10, here floor, is attached to the profile 6 by means of an elastic compensation insert 9.
- the elastic insulating material 8 has physical properties such that it is suitable for sufficiently damping vibrations with higher frequencies in the range from approximately 20 to approximately 200 Hertz. Are suitable for. B. insulation materials that have lower bending stiffness and a low shear modulus, z. B. PUR flexible foams.
- the elastic profile strip 2 has physical properties such that it is suitable for sufficiently damping vibrations with lower frequencies in the range from 0 to approximately 20 Hertz. Are suitable for.
- a continuous belt 6a is formed on the free end of the web 7 and is arranged parallel to the outer belt 11b of the profile 6.
- the external belt 6b extends at least up to the lateral webs 5a, 5b of the hollow profile 5.
- the insulating material 8 extends beyond the cavity of the hollow profile 5 on the side of the opening including the web 7 of the profile 6 and comes to rest on the undersides of the external belt 6b and supports it.
- the hollow profile 5 has bevels 11a, 11b at the free ends of the webs 5a, 5b, which are arranged in the direction of the longitudinal center plane and parallel to the outer belt 6b.
- the above-described support element is particularly suitable for floors of railway vehicles for the transportation of people, because in addition to its excellent insulating properties, it also has a high mechanical strength.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Vibration Prevention Devices (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Railway Tracks (AREA)
Description
Die Neuerung betrifft ein schalldämmendes Tragelement für Deckkörper, insbesondere zur Bildung von Fußböden in Eisenbahnfahrzeugen zur Personenbeförderung, bestehend aus einem am Trägerkörper oder am Deckkörper befestigten starren Profil, das gegen den jeweiligen anderen Körper unter Zwischenschaltung eines Dämmelementes elastisch abgestützt ist.The innovation relates to a sound-absorbing support element for cover bodies, in particular for the formation of floors in railway vehicles for passenger transport, consisting of a rigid profile fastened to the support body or to the cover body, which is elastically supported against the respective other body with the interposition of an insulation element.
Aus der DE 26 00 827 A1 bekannte, tragfähige, schallisolierende Bauelemente, die insbesondere zur Bildung von Dächern, Wänden oder Böden geeignet sein sollen, weisen ein hutförmiges Profil auf, das auf einem Grundträger befestigt ist und über eine Dämpfungsleiste eine Deckplatte trägt. Die freien Enden des Profils greifen in entsprechend geformte Ausnehmungen der Dämpfungsleiste ein. Um die Tragfähigkeit eines derartigen Bauelementes unter Wahrung der Dämpfungseigenschaften und der Stabilität zu erhöhen, weist die Dämpfungsleiste Nuten und eine in diesen gehaltene Metallschiene auf, die zur lösbaren Befestigung mit der Deckplatte in axialer Verlängerung zu Ausnehmungen in der Dämpfungsleiste Bohrungen zur Aufnahme durch die Deckplatte geführter Schrauben besitzt, wobei ein die Abwinkelung des Profils abdeckender Vorsprung die Metallschiene hält.Known from DE 26 00 827 A1, load-bearing, sound-insulating components, which should be suitable in particular for the formation of roofs, walls or floors, have a hat-shaped profile which is fastened to a base support and carries a cover plate via a damping strip. The free ends of the profile engage in correspondingly shaped recesses in the damping strip. In order to increase the load-bearing capacity of such a component while maintaining the damping properties and stability, the damping strip has grooves and a metal rail held therein which, for releasable fastening with the cover plate in axial extension to recesses in the damping strip, have bores for receiving through the cover plate Has screws, with a projection covering the bend of the profile holding the metal rail.
Aus der DE 41 29 716 A1 ist ein Fußboden für Fahrzeuge, insbesondere Schienenfahrzeuge mit einem als kastenartiges Hohlprofil ausgebildetes Stützelement bekannt, in dessen Bereich Elemente des Innenfußbodens mittels einer elastischen Beilage mit dem Grundkörper verbunden sind. Das Stützelement ist als Käfig mit Käfigunter- und -oberteil ausgebildet, der einen elastischen Dämmkörper auf seiner gesamten Länge umschließt.DE 41 29 716 A1 discloses a floor for vehicles, in particular rail vehicles, with a support element designed as a box-like hollow profile, in the area of which elements of the inner floor are connected to the base body by means of an elastic insert. The support element is designed as a cage with a lower and upper part of the cage, which encloses an elastic insulating body over its entire length.
Der Dämmkörper ist mittels an dem Käfigunter- und -oberteil angeordneter Stege festgelegt und verbindet so beide Teile des Käfigs elastisch miteinander.The insulating body is fixed by means of webs arranged on the lower and upper part of the cage and thus connects both parts of the cage elastically to one another.
Die Praxis zeigt, daß Anordnungen der vorbeschriebenen Art Körper- und Luftschall zwar dämmen, daß Maß der Dämmung für Schwingungen im auftretenden Frequenzbereich stark frequenzabhängig und somit unterschiedlich ausfällt. Derartige Anordnungen sind also nicht geeignet, den für das menschliche Empfinden unangenehmen Frequenzbereich zwischen 0 Hertz und etwa 200 Hertz ausreichend zu dämmen.Practice shows that arrangements of the type described above structure-borne and airborne noise dampen, that the degree of insulation for vibrations in the frequency range occurring is strongly frequency-dependent and therefore different. Such arrangements are therefore not suitable for adequately insulating the frequency range between 0 Hertz and approximately 200 Hertz, which is unpleasant for human perception.
Der Neuerung liegt die Aufgabe zugrunde, ein schalldämmendes Tragelement der eingangs genannten Art derart weiterzubilden, daß das Dämmverhalten der Tragelemente über den Frequenzbereich von 0 bis etwa 200 Hertz verbessert wird.The innovation is based on the object of developing a sound-absorbing support element of the type mentioned in such a way that the insulation behavior of the support elements is improved over the frequency range from 0 to about 200 Hertz.
Neuerungsgemäß wird diese Aufgabe durch ein gattungsgemäßes, schalldämmendes Tragelement mit den kennzeichnenden Merkmalen gemäß Anspruch 1 gelöst.According to the invention, this object is achieved by a generic, sound-absorbing support element with the characterizing features according to
Vorteilhafte Weiterbildungen sind in den Unteransprüchen 2 bis 11 gekennzeichnet.Advantageous further developments are characterized in the
Die Neuerung wird anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert.The innovation is explained in more detail using an exemplary embodiment shown in the drawing.
Die Zeichnung zeigt dazu in
- Fig. 1
- einen Teilschnitt im Bodenbereich eines Eisenbahnfahrzeugs zur Pesonenbeförderung in Fahrzeugquerrichtung.
- Fig. 1
- a partial section in the floor area of a railway vehicle for passenger transportation in the vehicle transverse direction.
Auf einem Trägerkörper 1 einer Fahrzeugstruktur ist eine elastische Profilleiste 2 befestigt. Die Befestigung erfolgt durch Klemmsitz. Die elastische Profilleiste 2 weist Ausnehmungen 3 auf, in die Ansätze 4 eines starren, einseitig mindestens teilweise offenen, starren Hohlprofils 5 mit seitlichen Stegen 5a, 5b eingreifen und das Hohlprofil 5 derart durch Klemmsitz festgelegt ist. Parallel und auf der Seite der Öffnung des Hohlprofils 5 erstreckt sich ein starres Profil 6, das mit einem angeformten Steg 7 in das offene Hohlprofil 5 eingreift. Das Hohlprofil 5 und das Profil 6, sind mittels eines elastischen Dämmstoffs 8 auf Abstand miteinander verbunden. Am Profil 6 ist über eine elastische Ausgleichsbeilage 9 ein Deckkörper 10, hier Fußboden, befestigt.An
Der elastische Dämmstoff 8 weist physikalische Eigenschaften auf, derart, daß dieser geeignet ist, Schwingungen mit höheren Frequenzen im Bereich von ca. 20 bis ca. 200 Hertz ausreichend zu dämmen. Geeignet sind z. B. Dämmstoffe, die geringere Biegesteifigkeit und ein geringes Schubmodul aufweisen, z. B. PUR-Weichschäume.The elastic insulating
Die elastische Profilleiste 2 weist physikalische Eigenschaften auf, derart, daß diese geeignet ist, Schwingungen mit niedrigeren Frequenzen im Bereich von 0 bis ca. 20 Hertz ausreichend zu dämmen. Geeignet sind z. B. Elastomerprofile nach DIN 5514 mit 60 ± 5 Shore (Härte).The
Am freien Ende des Steges 7 ist ein durchlaufender Gurt 6a angeformt, der parallel zum außenliegenden Gurt 11b des Profils 6 angeordnet ist. Der außenliegende Gurt 6b erstreckt sich mindestens bis zu den seitlichen Stegen 5a, 5b des Hohlprofils 5.A
Der Dämmstoff 8 ist über den Hohlraum des Hohlprofils 5 hinaus auf der Seite der Öffnung unter Einschluß des Steges 7 des Profils 6 erstreckt und kommt an den Unterseiten des außenliegenden Gurtes 6b zur Anlage und stützt diesen ab.The
Das Hohlprofil 5 weist an den freien Enden der Stege 5a, 5b Abkantungen 11a, 11b auf, die in Richtung auf die Längsmittelebene und parallel zum außenliegenden Gurt 6b angeordnet sind.The
Das vorbeschriebene Tragelement ist besonders für Fußböden von Eisenbahnfahrzeugen zur Pesonenbeförderung geeignet, da es neben seiner hervorragenden Dämmeigenschaften auch eine hohe mechanische Belastbarkeit aufweist.The above-described support element is particularly suitable for floors of railway vehicles for the transportation of people, because in addition to its excellent insulating properties, it also has a high mechanical strength.
- 1.1.
- TrägerkörperCarrier body
- 2.2nd
- ProfilleisteProfile bar
- 3.3rd
- AusnehmungRecess
- 4.4th
- Ansatzapproach
- 5.5.
- HohlprofilHollow profile
- 5a.5a.
- Stegweb
- 5b.5b.
- Stegweb
- 6.6.
- Profilprofile
- 6a.6a.
- Gurt (innen)Belt (inside)
- 6b.6b.
- Gurt (außen)Belt (outside)
- 7.7.
- Stegweb
- 8.8th.
- DämmstoffInsulation
- 9.9.
- AusgleichsbeilageCompensatory supplement
- 10.10th
- DeckkörperCover body
- 11a11a
- AbkantungFolding
- 11b11b
- AbkantungFolding
Claims (11)
- Sound-insulating supporting element for covering members, in particular for forming floors in railway vehicles for conveying passengers, consisting of a rigid profile which is fixed to the support member or to the covering member and is braced elastically against the other member with an interposed insulating element, characterised in that an elastic profile strip (2) is fixed to the support member or covering member (1 or 10), which profile strip exhibits a recess (3) in which a rigid hollow profile (5) open to the other member (covering member 10 or support member 1) is fixed by a clamp fit in that projections (4) of the rigid hollow profile (5) engage in the recess (3) of the elastic profile strip (2), in that a second rigid profile (6) is fixed to the covering member or support member (10 or 1), which rigid profile exhibits a web (7) which engages in the open hollow profile (5) and is connected elastically by means of an elastic insulating material (8) at a distance to the rigid hollow profile (5), the insulating material (8) exhibiting physical properties such that it is suitable for adequately insulating higher frequencies.
- Sound-insulating supporting element for covering members according to claim 1, characterised in that the elastic insulating material (8) exhibits physical properties such that it is suitable for adequately insulating higher frequencies from approximately 20 to approximately 200 Hertz.
- Sound-insulating supporting element for covering members according to claim 1 or 2, characterised in that the elastic profile strip (2) exhibits physical properties such that it is suitable for adequately insulating low frequencies from 0 to approximately 20 Hertz.
- Sound-insulating supporting element for covering members according to at least one of claims 1 to 3, characterised in that the insulating material (8) is a synthetic foam, in particular a polyurethane foam (PUR).
- Sound-insulating supporting element for covering members according to at least one of claims 1 to 4, characterised in that a continuous chord (6a) which is disposed parallel to the external chord (6b) of the profile (6) is formed on the free end of the web (7) of the second profile (6).
- Sound-insulating supporting element for covering members according to at least one of claims 1 to 5, characterised in that the external chord (6b) extends at least to the side webs (5a, 5b) of the hollow profile (5).
- Sound-insulating supporting element for covering members according to at least one of claims 1 to 6, characterised in that the insulating material (8) is extended beyond the cavity of the hollow profile (5) and bears on the undersides of the external chord (6b) enclosing the web (5a, 5b).
- Sound-insulating supporting element for covering members according to at least one of claims 1 to 7, characterised in that the elastic profile strip (2) is fixed to the support member or covering member (1 or 10) by means of a clamp fit.
- Sound-insulating supporting element for covering members according to at least one of claims 1 to 8, characterised in that a compensating insert (9) made of an elastic material (e.g. rubber) is disposed between the rigid profile (6) and the covering member or support member (10 or 1).
- Sound-insulating supporting element for covering members according to at least one of claims 1 to 9, characterised in that at its free ends the hollow profile (5) exhibits edges (11a, 11b) which are bent over in the direction of its longitudinal median plane and are disposed parallel with the external chord (6b).
- Sound-insulating supporting element for covering members according to at least one of claims 1 to 10, characterised in that the covering member (10) is a floor of a railway vehicle for conveying passengers.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4313700 | 1993-04-27 | ||
| DE4313700A DE4313700A1 (en) | 1993-04-27 | 1993-04-27 | Soundproofing support element for vehicles, in particular rail vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0622286A1 EP0622286A1 (en) | 1994-11-02 |
| EP0622286B1 true EP0622286B1 (en) | 1996-10-23 |
Family
ID=6486457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94106192A Expired - Lifetime EP0622286B1 (en) | 1993-04-27 | 1994-04-21 | Sound damping supporting element for vehicles, especially for railway vehicles |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0622286B1 (en) |
| DE (2) | DE4313700A1 (en) |
| ES (1) | ES2094584T3 (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19533532A1 (en) * | 1995-09-11 | 1997-03-13 | Deutsche Waggonbau Ag | Insulation fixing device for railway wagon box |
| US6469629B1 (en) * | 1999-02-12 | 2002-10-22 | General Electric Company | Distributed logic in multiple protective relays |
| DE19927006C2 (en) | 1999-06-09 | 2001-05-10 | Daimler Chrysler Ag | Flooring for vehicles, in particular rail vehicles for the transportation of people |
| DE19933097A1 (en) * | 1999-07-15 | 2001-02-08 | Daimler Chrysler Ag | Connecting element for connecting two components |
| AT409751B (en) * | 2000-10-02 | 2002-11-25 | Getzner Werkstoffe Gmbh | MOUNTING PART FOR THE ELASTIC FASTENING OF VEHICLE FLOOR PANELS |
| DE10222074B4 (en) * | 2002-05-17 | 2006-07-27 | Daimlerchrysler Ag | Soundproof floor covering and method for its production |
| GB2403486B (en) * | 2003-07-04 | 2006-05-31 | Michael Earls | Flooring component |
| GB0418912D0 (en) * | 2004-08-25 | 2004-09-29 | Danskin Flooring Systems Ltd | Improved building components |
| GB0514876D0 (en) * | 2005-07-20 | 2005-08-24 | Bryant John G | Floor batten support system for concrete and wood floors |
| DE102010007589A1 (en) * | 2010-02-04 | 2011-08-04 | Siemens Aktiengesellschaft, 80333 | Arrangement with a car body and an electric switch |
| DE102010041196B4 (en) * | 2010-09-22 | 2014-09-25 | Siemens Aktiengesellschaft | Rail vehicle with floor support element |
| WO2012041940A2 (en) * | 2010-10-01 | 2012-04-05 | Siemens Ag Österreich | Floor for a railway vehicle |
| WO2013050069A1 (en) | 2011-10-05 | 2013-04-11 | Bombardier Transportation Gmbh | Rail vehicle having a sound-insulated and vibration-insulated room-within-a-room cab |
| DE102013200628A1 (en) * | 2013-01-17 | 2014-07-17 | Siemens Aktiengesellschaft | Attachment of a rail vehicle component on a car body roof of a rail vehicle car body |
| CN104554318B (en) * | 2014-12-03 | 2018-11-09 | 青岛澳泰交通设备有限公司 | The rail traffic vehicles such as bullet train, subway floor integrated carrying vibration-proof structure |
| CN106114539B (en) * | 2016-08-17 | 2019-05-17 | 中车青岛四方机车车辆股份有限公司 | A kind of train floor and its manufacturing method |
| DE202018100471U1 (en) * | 2018-01-29 | 2019-04-30 | pinta industry SA | Floor or wall construction of a rail vehicle |
| FR3123040A1 (en) * | 2021-05-20 | 2022-11-25 | Speedinnov | Vibration decoupling system and transport vehicle comprising such a system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2251170C3 (en) * | 1972-10-19 | 1979-12-20 | Waggonfabrik Uerdingen Ag, 4150 Krefeld | Sound-insulating floor for vehicles, in particular rail vehicles |
| DE2908823A1 (en) * | 1979-03-07 | 1980-09-11 | Messerschmitt Boelkow Blohm | Railway vehicle lightweight load bearing element - comprises support base with fixtures for vehicle appliances and element mounting members |
-
1993
- 1993-04-27 DE DE4313700A patent/DE4313700A1/en not_active Withdrawn
-
1994
- 1994-04-21 DE DE59400870T patent/DE59400870D1/en not_active Expired - Fee Related
- 1994-04-21 ES ES94106192T patent/ES2094584T3/en not_active Expired - Lifetime
- 1994-04-21 EP EP94106192A patent/EP0622286B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE59400870D1 (en) | 1996-11-28 |
| EP0622286A1 (en) | 1994-11-02 |
| ES2094584T3 (en) | 1997-01-16 |
| DE4313700A1 (en) | 1994-11-03 |
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