DE29608777U1 - Highly elastic rail underlay with pronounced vibration damping - Google Patents
Highly elastic rail underlay with pronounced vibration dampingInfo
- Publication number
- DE29608777U1 DE29608777U1 DE29608777U DE29608777U DE29608777U1 DE 29608777 U1 DE29608777 U1 DE 29608777U1 DE 29608777 U DE29608777 U DE 29608777U DE 29608777 U DE29608777 U DE 29608777U DE 29608777 U1 DE29608777 U1 DE 29608777U1
- Authority
- DE
- Germany
- Prior art keywords
- highly elastic
- rail
- vibration damping
- elastic rail
- rail base
- 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 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 241001669679 Eleotris Species 0.000 claims description 2
- 230000001413 cellular effect Effects 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
- E01B9/685—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape
- E01B9/686—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape with textured surface
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
- E01B9/681—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by the material
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
- E01B9/685—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Springs (AREA)
Description
J**J**
Gegenstand des Gebrauchsmusters ist eine hochelastische Schienenunterlage mit ausgeprägter Schwingungsdämpfung durch Verwendung von Kunststoffen mit unterschiedlicher Elastizität in verschiedenen Belastungsbereichen.The subject of the utility model is a highly elastic rail base with pronounced vibration damping through the use of plastics with different elasticities in different load ranges.
Es sind hochelastische Schienenunterlagen als Zwischenlagen mit guter Kraftverteilung in Schienenlängsrichtung und mit Körperschall reduzierender Wirkung bekannt, die aus verschiedenen Kunststoffarten bestehen.Highly elastic rail supports are known as intermediate layers with good force distribution in the longitudinal direction of the rail and with a structure-borne sound-reducing effect, which consist of various types of plastic.
Die Nachteile dieser Ausführungen aus herkömmlichen Kunststoffen in relativ weicher Einstellung liegen vor allem darin, daß von der Schiene dadurch verstärkte Luftschallabstrahlungen ausgehen und die auftretenden Horizontalkräfte verhältnismäßig große Kippbewegungen der Schiene verursachen. Zur Begrenzung der Kippbewegungen der Schiene werden aufwendige konstruktive Maßnahmen, z.B. durch den Einsatz von versteifenden Stahlpiatten und / oder Vergrößerung der Schienenunterlage angewandt.The disadvantages of these designs made of conventional plastics in a relatively soft setting are primarily that the rail emits increased airborne noise and the horizontal forces that occur cause relatively large tilting movements of the rail. To limit the tilting movements of the rail, complex structural measures are used, e.g. by using stiffening steel plates and/or enlarging the rail base.
Zur Vermeidung dieser Nachteile besteht nach dem Gebrauchsmuster die hochelastische Schienenunterlage aus Kunststoff mit mindestens zwei unterschiedlich elastischen Bereichen, wobei diese eine relativ harte Umrandung und weicheren Innenbereich aufweist, die zweiteilig getrennt oder einstückig einseitig profiliert ist.To avoid these disadvantages, according to the utility model, the highly elastic rail base is made of plastic with at least two differently elastic areas, whereby this has a relatively hard border and a softer inner area which is separated in two parts or is profiled in one piece on one side.
Durch Kombination in Elastizität, Umfang und Größe der Bereiche wird die geforderte Eigenschaft erreicht. Ausführungsbeispiele zeigen die Abbildungen 1 und 2. In Fig. 1 besteht die hochelastische Schienenunterlage aus Kunststoff mit einer hart eingestellten Umrandung (1 ) und einem Mitteibereich (2 ), der weicher und dicker ausgebildet ist. Teil 1 besteht aus PU-Elastomer und Teil 2 aus zelligem PU-EIastomer. The required properties are achieved by combining the elasticity, extent and size of the areas. Examples of implementation are shown in Figures 1 and 2. In Figure 1, the highly elastic rail base is made of plastic with a hard border (1) and a middle area (2) that is softer and thicker. Part 1 is made of PU elastomer and part 2 is made of cellular PU elastomer.
In Fig. 2 wird die unterschiedliche Elastizität der Schienenunterlage
durch Noppen ( 3 ) auf der Schwellenseite der Schienenunterlage
erreicht. Die schienenseitig angeordneten Noppen ( 3 ) sind in Dicke, Form und Verteilung auf den gewünschten Effekt ausgerichtet,
z.B. in runder und / oder eckiger Form und in verschiedener Dicke und höher als die Umrandung (1 ) der Schienenunteriage,
wobei die Länge auf die Schienenlängsrichtung bezogen größer als die Breite ist.In Fig. 2, the different elasticity of the rail base is represented by studs ( 3 ) on the sleeper side of the rail base
achieved. The studs (3) arranged on the rail side are aligned in thickness, shape and distribution to the desired effect, e.g. in round and/or square shape and in different thicknesses and higher than the edge (1) of the rail base, whereby the length in the longitudinal direction of the rail is greater than the width.
Für das Wirkungsprinzip der hochelastischen Schienenunterlage ist es unerheblich, ob diese in Schienenlängsrichtung einseitig oder mittig geteilt ist. Die geteilte Ausführung erlaubt den Einsatz für verschiedene Schienenfußbreiten.For the functioning principle of the highly elastic rail base, it is irrelevant whether it is split on one side or in the middle in the longitudinal direction of the rail. The split design allows it to be used for different rail base widths.
Die Vorteile der vorgeschlagenen hochelastischen Schienenunterlage liegen vor allem in einer hohen Anfangselastizität, einer sodann unter Belastung verringerten Elastizität im oberen Belastungsbereich, wie diese z.B. in Kurven auftritt bei gleichzeitig verbesserter Lastverteilung auf Nachbarschwellen. Des weiteren wird eine Vergrößerung der Wellenlänge der Schienenbiegelinie erreicht und eine Verbesserung des Schwingungsverhaltens im Teilsystem Schiene gegenüber den unabgefederten Massen der Schienenfahrzeuge. Die kombinierten unterschiedlichen Eigenschaften der Schienenunterlage vermindern den Körper- und Luftschali wie Messungen gezeigt haben. Die Ausführungsform nach Fig. 1 läßt gem. Fig. 3 erkennen, daß diese Wirkung auch praktisch eintritt. Im Kraft-(x) -Wege-(y)-digramm ist Federkennlinie 1 von einer herkömmlichen Ausführung einer Schienenunterlage und das Diagramm 2 entsprechend Fig. 1 dargestellt.The advantages of the proposed highly elastic rail base lie primarily in a high initial elasticity, then a reduced elasticity under load in the upper load range, as occurs, for example, in curves, with simultaneously improved load distribution on neighboring sleepers. Furthermore, an increase in the wavelength of the rail bending line is achieved and an improvement in the vibration behavior in the rail subsystem compared to the unsprung masses of the rail vehicles. The combined different properties of the rail base reduce body and air noise, as measurements have shown. The embodiment according to Fig. 1 shows, according to Fig. 3, that this effect also occurs in practice. In the force (x) - path (y) diagram, spring characteristic curve 1 of a conventional design of a rail base and diagram 2 corresponding to Fig. 1 are shown.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29608777U DE29608777U1 (en) | 1996-05-15 | 1996-05-15 | Highly elastic rail underlay with pronounced vibration damping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29608777U DE29608777U1 (en) | 1996-05-15 | 1996-05-15 | Highly elastic rail underlay with pronounced vibration damping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE29608777U1 true DE29608777U1 (en) | 1996-08-08 |
Family
ID=8024000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE29608777U Expired - Lifetime DE29608777U1 (en) | 1996-05-15 | 1996-05-15 | Highly elastic rail underlay with pronounced vibration damping |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE29608777U1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004057616A1 (en) * | 2004-11-29 | 2006-06-01 | Bwg Gmbh & Co. Kg | Support for a rail |
| WO2009047493A1 (en) * | 2007-10-11 | 2009-04-16 | Pandrol Limited | Railway rail pad |
| DE102014216543A1 (en) * | 2014-08-20 | 2016-02-25 | Semperit Ag Holding | liner |
| CN109868697A (en) * | 2019-02-21 | 2019-06-11 | 株洲时代新材料科技股份有限公司 | Compress rail dampener and its design method |
| DE102020132029A1 (en) | 2020-12-02 | 2022-06-02 | Vossloh Fastening Systems Gmbh | ELASTIC INTERMEDIATE PLATE AND ASSEMBLY FOR ATTACHING A RAIL FOR A RAILWAY VEHICLE |
| EP4170089A1 (en) * | 2021-10-22 | 2023-04-26 | Semperit AG Holding | Intermediate layer for arrangement between a railway sleeper and a railway rail |
-
1996
- 1996-05-15 DE DE29608777U patent/DE29608777U1/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004057616A1 (en) * | 2004-11-29 | 2006-06-01 | Bwg Gmbh & Co. Kg | Support for a rail |
| WO2009047493A1 (en) * | 2007-10-11 | 2009-04-16 | Pandrol Limited | Railway rail pad |
| US8201751B2 (en) | 2007-10-11 | 2012-06-19 | Pandrol Limited | Railway rail pad |
| DE102014216543A1 (en) * | 2014-08-20 | 2016-02-25 | Semperit Ag Holding | liner |
| EP2990529A1 (en) * | 2014-08-20 | 2016-03-02 | Semperit AG Holding | Intermediate layer |
| CN109868697A (en) * | 2019-02-21 | 2019-06-11 | 株洲时代新材料科技股份有限公司 | Compress rail dampener and its design method |
| DE102020132029A1 (en) | 2020-12-02 | 2022-06-02 | Vossloh Fastening Systems Gmbh | ELASTIC INTERMEDIATE PLATE AND ASSEMBLY FOR ATTACHING A RAIL FOR A RAILWAY VEHICLE |
| EP4170089A1 (en) * | 2021-10-22 | 2023-04-26 | Semperit AG Holding | Intermediate layer for arrangement between a railway sleeper and a railway rail |
| DE102021127583A1 (en) | 2021-10-22 | 2023-04-27 | Semperit Ag Holding | liner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R207 | Utility model specification |
Effective date: 19960919 |
|
| R156 | Lapse of ip right after 3 years |
Effective date: 20000301 |