EP0698147A1 - Resilient rail fastening device - Google Patents

Resilient rail fastening device

Info

Publication number
EP0698147A1
EP0698147A1 EP94914316A EP94914316A EP0698147A1 EP 0698147 A1 EP0698147 A1 EP 0698147A1 EP 94914316 A EP94914316 A EP 94914316A EP 94914316 A EP94914316 A EP 94914316A EP 0698147 A1 EP0698147 A1 EP 0698147A1
Authority
EP
European Patent Office
Prior art keywords
intermediate layer
rail fastening
rail
fastening according
compression
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.)
Granted
Application number
EP94914316A
Other languages
German (de)
French (fr)
Other versions
EP0698147B1 (en
Inventor
Udo Wirthwein
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Individual
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Individual
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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
    • E01B9/685—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape

Definitions

  • the invention relates to a resilient rail fastening with an elastic intermediate layer and a tool for producing the elastic intermediate layer.
  • Modern rail fastenings on sleepers of a railway track are generally equipped with intermediate layers between the rail foot and the sleeper in order to ensure an elastic train run. It does not matter whether concrete sleepers, e.g. the usual size B 70 or wooden or steel sleepers, as a trough sleeper or Y
  • Threshold with two supports per threshold for each rail.
  • the rails are also stretched elastically. by spring elements which act on the rail foot and are in turn anchored by screws or eyelets on the support, the sleepers or also a bridge substructure or other solid substrates.
  • spring elements which act on the rail foot and are in turn anchored by screws or eyelets on the support, the sleepers or also a bridge substructure or other solid substrates.
  • Such elastic intermediate layers are also known for height-adjustable rail fastenings, in particular to be used in a ballastless superstructure (DE-A 26 00416), which at the same time can have an electrical insulating effect, provided that the bracing on the support itself is insulated from the rail. Otherwise, the bracing must be provided with insulation separately.
  • the lateral rail guidance is generally guaranteed by angle guide plates, which in turn can consist of plastic or steel.
  • the invention is therefore based on the problem of proposing a resilient rail fastening with an elastic intermediate layer, in which the environmental and stress-related, destructive conditions can be largely compensated for, the type of elastic intermediate layer being suitable for the special applications adaptable and inexpensive to manufacture.
  • Such intermediate layers can be used in the conventional K superstructure with a spring washer; However, their full effect can only be achieved with modern resilient rail fastenings, e.g. the so-called W superstructure, with a w-shaped steel spring, which is fixed by a screw on the support, the sleepers, and thus tensions the rail foot.
  • the new intermediate layer prevents contamination of the rail support or the penetration of water into the gaps between the rails and the threshold or the solid base.
  • Figure 1 is a resilient rail fastening of the W superstructure with an elastic intermediate layer in partial section.
  • FIG. 2 shows a top view according to view A in FIG. 1 of the elastic intermediate layer; 3 shows a section BB according to FIG. 2 through an elastic intermediate layer;
  • FIG. 4 shows a second embodiment of an intermediate layer according to view A in FIG. 1.
  • a rail 1 of size UIC 60 is shown with an inclination 1:40 to the middle of the track (to the left) at its fastening point.
  • the foot 2 of the rail 1 is tensioned by angle guide plates 5 in the lateral direction and from above by a resilient rail fastening 4.
  • An elastic intermediate layer 8 is arranged between the bearing surface 21 of the concrete sleeper 6 and the rail foot sole 3, the lateral ribs 7, 9 of which are held by angle guide pieces 5.
  • the bottom view (arrow A) of the elastic intermediate layer is shown in Fig. 2.
  • the upper side of the elastic intermediate layer, not shown, is flat and therefore has full contact with the rail foot sole 3.
  • the elastic intermediate layer 8 has within a largely closed edge strip, in the longitudinal direction of the rail with the parts 12, 13 and the transverse direction of the rail with the parts 10, 11 enclose a recess surface 17.
  • 42 compression points 18, which present themselves as elevations within the depression surface 17, are arranged within the depression surface 17.
  • a thermoplastic, uncrosslinked elastomer was used as the material for the intermediate layer.
  • the spring index achieved with a dimension of the intermediate layer of nominally 165 x 148 mm and a total thickness of 7 mm and a recess of 5
  • the intermediate layer 25 made of PE copolyers otherwise also has continuous edge strips 28, 29 for supporting the rail foot edges and reinforced, widened edge strips 26, 27 for reducing the specific edge pressure of the intermediate layer.
  • the wrap-around strips 24 are reduced here to a minimum for fixing the intermediate layer on the threshold, for example to largely avoid an accumulation of material which is undesirable in terms of production technology.
  • the compression points 30, 34 have a head surface 31, 37 which is reduced relative to their base surface 33, 35, so that an oblique flank 32, 36 results.
  • the head surface 31, 37 When the head surface 31, 37 is loaded, it increases in accordance with the flank angle and the compression path or the recess depth of the rail, not shown. The extent of the depression, given the load and the nominal total compression area, can therefore also be set by the flank angle or thus influencing the spring stiffness. With the size of the head surfaces 31, 37, the number and distribution of the head surfaces over the intermediate layer 25, there are further parameters for setting the rigidity of the rail fastening, the spring characteristic curve being relatively linear when using tapered compression points and progressive at pyramid-shaped points.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Springs (AREA)
  • Window Of Vehicle (AREA)
  • Dowels (AREA)
  • Road Paving Structures (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Outside Dividers And Delivering Mechanisms For Harvesters (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Golf Clubs (AREA)
  • Supports For Pipes And Cables (AREA)
  • Details Of Indoor Wiring (AREA)

Abstract

A resilient rail fastening device (4) has an elastic intermediate layer (8) arranged between a rail foot (2) and a hard support, for example a sleeper (6), provided with a profile. The compression surface (17, 18) which faces the support (6) has substantially closed marginal strips (10-13) which in turn enclose a depressed surface (17, 18) from which project individual small-surface compression point (11). Such a geometric design of the elastic intermediate layer (8) allows a certain elastic rigidity of the intermediate layer (8) to be adjusted by modifying the compression surfaces (17, 18). A thermoplastic elastomer of non-crosslinked rubber or an ethylene-vinyl acetate copolymer are preferably used for the intermediate layers (8). Such intermediate layers are particularly suitable for highly stressed railways with a W-shaped superstructure. A special injection molding tool with exchangeable plates for shaping compression surfaces of different sizes is also disclosed.

Description

Federnde SchienenbefestigungResilient rail fastening
Beschreibungdescription
Die Erfindung betrifft eine federnde Schienenbefestigung mit einer elastischen Zwischenlage sowie ein Werkzeug zur Her¬ stellung der elastischen Zwischenlage.The invention relates to a resilient rail fastening with an elastic intermediate layer and a tool for producing the elastic intermediate layer.
Moderne Schienenbefestigungen auf Schwellen eines Eisenbahn¬ gleises werden in der Regel mit Zwischenlagen zwischen dem Schienenfuß und der Schwelle ausgestattet, um einen elastischen Zuglauf zu gewährleisten. Dabei spielt es keine Rolle, ob Betonschwellen, z.B. der jetzt üblichen Größe B 70 oder Holz- oder Stahlschwellen, als Trogschwelle oder Y-Modern rail fastenings on sleepers of a railway track are generally equipped with intermediate layers between the rail foot and the sleeper in order to ensure an elastic train run. It does not matter whether concrete sleepers, e.g. the usual size B 70 or wooden or steel sleepers, as a trough sleeper or Y
Schwelle mit zwei Auflagern pro Schwelle für jede Schiene, eingesetzt werden.Threshold with two supports per threshold for each rail.
In der Regel werden die Schienen zudem elastisch verspannt . durch Federelemente, die auf den Schienenfuß wirken und ih¬ rerseits durch Schrauben oder Ösen an dem Auflager, den Schwellen oder auch einem Brückenunterbau oder sonstigen fe¬ sten Untergründen, verankert sind. Eine derartige federnde Befestigungsanordnung für Schienen auf Schwellen mit elasti- scher Zwischenlage ist in der DE-A 32 43 895 für ein Gleis in Schotterbettung offenbart.As a rule, the rails are also stretched elastically. by spring elements which act on the rail foot and are in turn anchored by screws or eyelets on the support, the sleepers or also a bridge substructure or other solid substrates. Such a resilient fastening arrangement for rails on sleepers with an elastic intermediate layer is disclosed in DE-A 32 43 895 for a track in ballast bedding.
Für höhenverstellbare Schienenbefestigungen, insbesondere anzuwenden bei einem schotterlosen Oberbau, sind ebenfalls derartige elastische Zwischenlagen bekannt (DE-A 26 00416) , die zugleich eine elektrische Isolierwirkung haben können, sofern die Verspannung auf dem Auflager selbst gegenüber der Schiene isoliert ist. Ansonsten ist die Verspannung separat mit einer Isolierung zu versehen. Die seitliche Schienenfüh- rung wird in der Regel durch Winkelführungsplatten gewährlei¬ stet, die ihrerseits aus Kunststoff oder Stahl bestehen kön¬ nen. Such elastic intermediate layers are also known for height-adjustable rail fastenings, in particular to be used in a ballastless superstructure (DE-A 26 00416), which at the same time can have an electrical insulating effect, provided that the bracing on the support itself is insulated from the rail. Otherwise, the bracing must be provided with insulation separately. The lateral rail guidance is generally guaranteed by angle guide plates, which in turn can consist of plastic or steel.
Im übrigen ist aus dem Stand der Technik bekannt, daß beim Kippen der Querschwellen insbesondere Gummizwischenlagen, aber auch übliche Kunststoffzwischenlagen aus Polyurethan oder Polyethylen, derart gequetscht werden, daß die Zwischen- läge zerstört wird. Gleiches ist für die schwellenseitigen Randbereiche der Zwischenlagen festzustellen, wenn entspre¬ chende Querkräfte ein Kippen des Schienenfußes verursachen und die Zwischenlage über die konzipierte Flächenpressung hinaus belasten. Polyurethan ist zwar prinzipiell als Werkstoff geeignet, je¬ doch entweder nicht hydrolysebeständig oder bei entsprechen¬ der Modifizierung teuer. Vulkanisierte Gummizwischenlagen können durch Zerreißen der Molekülvernetzung total zerstört, insbesondere zerquetscht werden.In addition, it is known from the prior art that when the cross sleepers are tilted, in particular rubber intermediate layers, but also conventional plastic intermediate layers made of polyurethane or polyethylene, are squeezed such that the intermediate layer is destroyed. The same can be found for the threshold-side edge regions of the intermediate layers, if corresponding transverse forces cause the rail foot to tip and load the intermediate layer beyond the designed surface pressure. Although polyurethane is suitable in principle as a material, it is either not resistant to hydrolysis or, if modified, is expensive. Vulcanized rubber liners can be totally destroyed, in particular crushed, by tearing the molecular crosslinking.
Von daher liegt der Erfindung das Problem zugrunde, eine fe¬ dernde Schienenbefestigung mit einer elastischen Zwischenlage vorzuschlagen, bei der die umweltbedingten und belastungsbe¬ dingten, zerstörend wirkenden Bedingungen weitestgehend kom- pensiert werden können, wobei die Art der elastischen Zwi¬ schenlage den speziellen Anwendungsfällen anpaßbar und preis¬ wert zu fertigen sein soll.The invention is therefore based on the problem of proposing a resilient rail fastening with an elastic intermediate layer, in which the environmental and stress-related, destructive conditions can be largely compensated for, the type of elastic intermediate layer being suitable for the special applications adaptable and inexpensive to manufacture.
Das Problem wird erfindungsgemäß gelöst durch die in den An- Sprüchen 1 und 10 angegebenen Merkmale. Weiterbildende Merk¬ male der Erfindung sind in den Unteransprüchen erfaßt.The problem is solved according to the invention by the features specified in claims 1 and 10. Further features of the invention are covered in the subclaims.
Derartige Zwischenlagen sind bei dem herkömmlichen K-Oberbau mit Federring einsetzbar; entfalten ihre volle Wirkung aber erst bei modernen federnden Schienenbefestigungen, z.B. dem sogenannten W-Oberbau, mit einer w-förmigen Stahlfeder, die durch eine Verschraubung an dem Auflager, den Schwellen, fi¬ xiert ist und so den Schienenfuß spannt.Such intermediate layers can be used in the conventional K superstructure with a spring washer; However, their full effect can only be achieved with modern resilient rail fastenings, e.g. the so-called W superstructure, with a w-shaped steel spring, which is fixed by a screw on the support, the sleepers, and thus tensions the rail foot.
Die neue Zwischenlage vermeidet eine Verschmutzung des Schie¬ nenauflagers bzw. das Eindringen von Wasser in die Spalte zwischen den Schienen und der Schwelle oder dem festen Unter- The new intermediate layer prevents contamination of the rail support or the penetration of water into the gaps between the rails and the threshold or the solid base.
Fig. 1 eine federnde Schienenbefestigung des W-Oberbaues mit elastischer Zwischenlage im Teilschnitt;Figure 1 is a resilient rail fastening of the W superstructure with an elastic intermediate layer in partial section.
Fig. 2 eine Draufsicht gemäß Ansicht A in Fig. 1 auf die elastische Zwischenlage; Fig. 3 einen Schnitt B - B gemäß Fig. 2 durch eine elasti¬ sche Zwischenlage;FIG. 2 shows a top view according to view A in FIG. 1 of the elastic intermediate layer; 3 shows a section BB according to FIG. 2 through an elastic intermediate layer;
Fig. 4 eine zweite Ausführungsform einer Zwischenlage ge¬ mäß Ansicht A in Fig. 1.4 shows a second embodiment of an intermediate layer according to view A in FIG. 1.
Auf einer Betonschwelle 6 der Kategorie B 70, ist eine Schie¬ ne 1 der Größe UIC 60 mit einer Neigung 1:40 zur Gleismitte (nach links) an ihrem Befestigungspunkt dargestellt. (Fig. 1) Der Fuß 2 der Schiene 1 wird durch Winkelführungsplatten 5 in seitlicher Richtung und von oben durch eine federnde Schie- nenbefestigung 4 gespannt. Zwischen der Auflagerfläche 21 der Betonschwelle 6 und der Schienenfußsohle 3 ist eine elasti¬ sche Zwischenlage 8 angeordnet, deren seitliche Rippen 7, 9 durch Winkelführungsstücke 5 gehalten werden.On a concrete sleeper 6 of category B 70, a rail 1 of size UIC 60 is shown with an inclination 1:40 to the middle of the track (to the left) at its fastening point. (Fig. 1) The foot 2 of the rail 1 is tensioned by angle guide plates 5 in the lateral direction and from above by a resilient rail fastening 4. An elastic intermediate layer 8 is arranged between the bearing surface 21 of the concrete sleeper 6 and the rail foot sole 3, the lateral ribs 7, 9 of which are held by angle guide pieces 5.
Die Unteransicht (Pfeil A) der elastischen Zwischenlage ist in Fig. 2 dargestellt. Die nichtdargestellte Oberseite der elastischen Zwischenlage ist plan und hat daher vollständigen Kontakt mit der Schienenfußsohle 3. Die elastische Zwischenlage 8 weist innerhalb einer weitest- gehend geschlossenen Randleiste, in Schienenlängsrichtung mit den Teilen 12, 13 und Schienenquerrichtung mit den Teilen 10, 11 auf, die eine Vertiefungsfläche 17 umschließen. Innerhalb der Vertiefungsfläche 17 sind 42 Kompressionspunkte 18, die sich als Erhebungen innerhalb der Vertiefungsfläche 17 dar- stellen, angeordnet. Die gesamte Kompressionsfläche zwischen der Schienenfußsohle 3 und der nichtdargestellten Schwelle 6 ergibt sich also aus der Flächensumme der Randleisten 10 - 13 und der Summe der Flächen der Kompressionspunkte 18. Als Ma¬ terial für die Zwischenlage wurde ein thermoplastisches un- vernetztes Elastomer verwendet. Die erreichte Federkennziffer bei einer Abmessung der Zwischenlage von nominell 165 x 148 mm und einer Gesamtdicke von 7 mm und einer Vertiefung von 5 The bottom view (arrow A) of the elastic intermediate layer is shown in Fig. 2. The upper side of the elastic intermediate layer, not shown, is flat and therefore has full contact with the rail foot sole 3. The elastic intermediate layer 8 has within a largely closed edge strip, in the longitudinal direction of the rail with the parts 12, 13 and the transverse direction of the rail with the parts 10, 11 enclose a recess surface 17. 42 compression points 18, which present themselves as elevations within the depression surface 17, are arranged within the depression surface 17. The total compression area between the rail foot sole 3 and the threshold 6, not shown, results from the total area of the edge strips 10-13 and the total area of the compression points 18. A thermoplastic, uncrosslinked elastomer was used as the material for the intermediate layer. The spring index achieved with a dimension of the intermediate layer of nominally 165 x 148 mm and a total thickness of 7 mm and a recess of 5
über die Vertiefungsfläche 37 verteilt. Die aus PE-Copoly e- ren gefertigte Zwischenlage 25 weist ansonsten ebenfalls durchgehende Randleisten 28, 29 zur Stützung der Schienenfu߬ kanten und verstärkte, verbreiterte Randleisten 26, 27 zur Verringerung der spezifischen Kantenpressung der Zwischenlage auf. Die Umgriffleisten 24 sind hier auf ein Minimum zur Fixierung der Zwischenlage auf der Schwelle reduziert, um beispielsweise eine fertigungstechnisch unerwünschte Materi¬ alhäufung weitgehendst zu vermeiden. Die Kompressionspunkte 30, 34 haben eine gegenüber ihrer Basisfläche 33, 35 verrin¬ gerte Kopffläche 31, 37 so daß sich eine schräge Flanke 32, 36 ergibt.distributed over the recess surface 37. The intermediate layer 25 made of PE copolyers otherwise also has continuous edge strips 28, 29 for supporting the rail foot edges and reinforced, widened edge strips 26, 27 for reducing the specific edge pressure of the intermediate layer. The wrap-around strips 24 are reduced here to a minimum for fixing the intermediate layer on the threshold, for example to largely avoid an accumulation of material which is undesirable in terms of production technology. The compression points 30, 34 have a head surface 31, 37 which is reduced relative to their base surface 33, 35, so that an oblique flank 32, 36 results.
Bei Belastung der Kopffläche 31, 37 vergrößert sich diese entsprechend dem Flankenwinkel und dem Kompressionsweg bzw. der Einsenktiefe der nicht dargestellten Schiene. Das Maß der Einsenkung, bei vorgegebener Belastung und nomineller gesam¬ ter Kompressionsfläche, läßt sich also auch durch den Flan¬ kenwinkel einstellen oder damit die Federsteifigkeit beein¬ flussen. Mit der Größe der Kopfflächen 31, 37, Anzahl und Verteilung der Kopfflächen über die Zwischenlage 25 sind weitere Parame¬ ter zur Einstellung der Steifigkeit der Schienenbefestigung gegeben, wobei die Federkennlinie bei Verwendung kegeliger Kompressionspunkte relativ linear und bei pyramidenförmigen Punkten progressiv verläuft. When the head surface 31, 37 is loaded, it increases in accordance with the flank angle and the compression path or the recess depth of the rail, not shown. The extent of the depression, given the load and the nominal total compression area, can therefore also be set by the flank angle or thus influencing the spring stiffness. With the size of the head surfaces 31, 37, the number and distribution of the head surfaces over the intermediate layer 25, there are further parameters for setting the rigidity of the rail fastening, the spring characteristic curve being relatively linear when using tapered compression points and progressive at pyramid-shaped points.

Claims

Patentansprüche Claims
1. Federnde Schienenbefestigung mit einer elastischen Zwi¬ schenlage, angeordnet zwischen einem Schienenfuß und einem harten Auflager, bei der eine Oberfläche eine Pro¬ filierung aufweist und die Verspannung des Schienenfußes durch ein Federelement bewirkt wird, dadurch gekenn¬ zeichnet, daß nur die dem Auflager (6) zugewandte Ober¬ fläche (21) der Zwischenlage mit geschlossener Randlei- ste (10-14; 26-29) ausgebildet ist, die eine Vertie¬ fungsfläche (17, 37) umschließt, aus der eine Vielzahl einzelner kleinflächiger Kompressionspunkte (18, 30, 34) hervorragen.1. Resilient rail fastening with an elastic intermediate layer, arranged between a rail foot and a hard support, in which a surface has a profiling and the bracing of the rail foot is brought about by a spring element, characterized in that only that of the support (6) facing surface (21) of the intermediate layer is formed with a closed edge strip (10-14; 26-29) which encloses a recessed surface (17, 37) from which a large number of small compression points (18 , 30, 34) protrude.
2. Schienenbefestigung nach Anspruch 1, dadurch gekenn¬ zeichnet, daß die Federsteifigkeit der Zwischenlage durch eine Veränderung der Größe der jeweils wirksamen Kompressionsfläche (21, 31, 37) , insbesondere der Kom¬ pressionspunkte (18, 30, 34) , änderbar ist.2. Rail fastening according to claim 1, characterized gekenn¬ characterized in that the spring stiffness of the intermediate layer can be changed by changing the size of the effective compression surface (21, 31, 37), in particular the compression points (18, 30, 34).
3. Schienenbefestigung nach Anspruch 1 oder 2, dadurch ge¬ kennzeichnet, daß die Vertiefungsfläche (17) der Zwi¬ schenlage mit mindestens einem Dränkanal (20, 22) in der Randleiste (10, 11) verbunden ist.3. Rail fastening according to claim 1 or 2, characterized ge indicates that the recess surface (17) of the inter mediate position with at least one drainage channel (20, 22) in the edge strip (10, 11) is connected.
4. Schienenbefestigung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Summe der Flächen der Kompressionspunkte (18, 30, 34) der Zwischenlage gerin¬ ger als die Hälfte der Vertiefungsfläche (17,37) ist.4. Rail fastening according to one of claims 1 to 3, characterized in that the sum of the areas of the compression points (18, 30, 34) of the intermediate layer is less than half of the depression surface (17.37).
5. Schienenbefestigung nach einem der Ansprüche 1 bis 4, gekennzeichnet durch Kompressionspunkte (18, 30, 34) deren Kopffläche (31, 37) kleiner als ihre Basisfläche5. Rail fastening according to one of claims 1 to 4, characterized by compression points (18, 30, 34) whose head surface (31, 37) is smaller than its base surface
(33, 35) ist.(33, 35).
6. Schienenbefestigung nach einem der vorhergehenden An¬ sprüche, dadurch gekennzeichnet, daß die Randleisten (10 -14; 26 -29) der Zwischenlage mit Rippen (7, 9, 14, 15, 24) zur form- oder kraftschlüssigen Fixierung auf dem Auflager (6) versehen sind.6. Rail fastening according to one of the preceding claims, characterized in that the edge strips (10 -14; 26 -29) of the intermediate layer are provided with ribs (7, 9, 14, 15, 24) for positive or non-positive fixing on the support (6).
7. Schienenbefestigung nach einem der vorhergehenden An¬ sprüche, dadurch gekennzeichnet, daß als Material für die Zwischenlage (8, 25) ein thermoplastisches Elastomer (TPE) aus Gruppe der unvernetzten Kautschuke oder ein Ethylen-Vinylacetat-Copolymer (Pe-Copolymer) verwendet wird.7. Rail fastening according to one of the preceding claims, characterized in that a thermoplastic elastomer (TPE) from the group of uncrosslinked rubbers or an ethylene-vinyl acetate copolymer (Pe copolymer) is used as the material for the intermediate layer (8, 25) .
8. Schienenbefestigung nach Anspruch 7, dadurch gekenn¬ zeichnet, daß die statische Federziffer der Zwischenlage etwa 20 bis 70 kN/mm bei Verwendung von TPE und etwa 130 kN/mm bei Verwendung von PE-Copolymeren bei Raumtempera¬ tur beträgt, für eine Belastungsfrequenz von > 50 Hz, vorzugsweise > 100 Hz.8. Rail fastening according to claim 7, characterized gekenn¬ characterized in that the static spring number of the intermediate layer is about 20 to 70 kN / mm when using TPE and about 130 kN / mm when using PE copolymers at room temperature, for a loading frequency of> 50 Hz, preferably> 100 Hz.
9. Schienenbefestigung nach Anspruch 8, dadurch gekenn- zeichnet, daß die statische Federziffer der Zwischenlage < 30 kN/mm bei Verwendung von TPE und etwa 70 kN/mm bei der Verwendung von PE-Copolymer bei Raumtemperatur be¬ trägt für eine Belastungsfrequenz von < 40 Hz.9. Rail fastening according to claim 8, characterized in that the static spring number of the intermediate layer is <30 kN / mm when using TPE and about 70 kN / mm when using PE copolymer at room temperature for a loading frequency of < 40 Hz.
10. Werkzeug zur Herstellung einer elastischen Zwischenlage nach einem der Ansprüche 1 bis 9 im Spritzgußverfahren, dadurch gekennzeichnet, daß eine Wechselplatte zur Aus¬ bildung einer unterschiedlichen Anzahl und/oder Größe der Kompressionspunkte (18, 30, 34) in das Werkzeug in- tegrierbar ist.10. Tool for producing an elastic intermediate layer according to one of claims 1 to 9 by injection molding, characterized in that an interchangeable plate for forming a different number and / or size of the compression points (18, 30, 34) can be integrated into the tool is.
11. Schienenbefestigung, gekennzeichnet durch einzelne oder alle neuen Merkmale oder Kombinationen der offenbarten Merkmale 11. Rail fastening, characterized by individual or all new features or combinations of the disclosed features
EP94914316A 1993-04-28 1994-04-28 Resilient rail fastening device Expired - Lifetime EP0698147B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4314578 1993-04-28
DE4314578A DE4314578A1 (en) 1993-04-28 1993-04-28 Elastic rail pad
PCT/DE1994/000496 WO1994025675A2 (en) 1993-04-28 1994-04-28 Resilient rail fastening device

Publications (2)

Publication Number Publication Date
EP0698147A1 true EP0698147A1 (en) 1996-02-28
EP0698147B1 EP0698147B1 (en) 1997-08-27

Family

ID=6487048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94914316A Expired - Lifetime EP0698147B1 (en) 1993-04-28 1994-04-28 Resilient rail fastening device

Country Status (10)

Country Link
EP (1) EP0698147B1 (en)
CN (1) CN1072300C (en)
AT (1) ATE157417T1 (en)
AU (1) AU6675894A (en)
CZ (1) CZ286803B6 (en)
DE (4) DE4314578A1 (en)
ES (1) ES2109690T3 (en)
GR (1) GR3025509T3 (en)
PL (2) PL311311A1 (en)
WO (1) WO1994025675A2 (en)

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ES2156564B1 (en) * 1999-08-19 2002-04-01 Plasticos Mondragon Sa ELASTIC SEAT PLATE FOR RAILWAY RAIL.
DE10148411B4 (en) * 2001-09-29 2005-12-15 Hada Gmbh + Co. Kg Kunststoffverarbeitung Elastic storage of rails
ES2361873B1 (en) * 2009-03-06 2012-05-07 Administrador De Infraestructuras Ferroviarias (Adif) COVERAGE COVER OF MECHANISMS IN CROSS DRAWER OF VARIOUS EQUIPMENT AND MANUFACTURING SYSTEM OF THE SAME.
EP2609257A1 (en) * 2010-08-24 2013-07-03 Vossloh-Werke GmbH Base plate for a rail-fastening system, system for fastening a rail, and method for renovating a rail-fastening point
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WO1994025675A2 (en) 1994-11-10
ES2109690T3 (en) 1998-01-16
PL58200Y1 (en) 2000-11-30
DE9421666U1 (en) 1997-01-23
CZ270895A3 (en) 1996-02-14
GR3025509T3 (en) 1998-02-27
CZ286803B6 (en) 2000-07-12
EP0698147B1 (en) 1997-08-27
WO1994025675A3 (en) 1995-01-12
DE4314578A1 (en) 1994-11-03
CN1122152A (en) 1996-05-08
DE59403881D1 (en) 1997-10-02
PL311311A1 (en) 1996-02-05
AU6675894A (en) 1994-11-21
CN1072300C (en) 2001-10-03
DE4492615D2 (en) 1996-08-22
ATE157417T1 (en) 1997-09-15

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