EP3770038B1 - Rail vehicle coupling - Google Patents

Rail vehicle coupling Download PDF

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Publication number
EP3770038B1
EP3770038B1 EP20185968.3A EP20185968A EP3770038B1 EP 3770038 B1 EP3770038 B1 EP 3770038B1 EP 20185968 A EP20185968 A EP 20185968A EP 3770038 B1 EP3770038 B1 EP 3770038B1
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EP
European Patent Office
Prior art keywords
bolt
rail vehicle
bearing
coupling
ring
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EP20185968.3A
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German (de)
French (fr)
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EP3770038A1 (en
Inventor
Werner URBANEK
Robert Nedelik
Andreas Karl RUTHMEIER
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Siemens Mobility Austria GmbH
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Siemens Mobility Austria GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G5/00—Couplings for special purposes not otherwise provided for
    • B61G5/02—Couplings for special purposes not otherwise provided for for coupling articulated trains, locomotives and tenders or the bogies of a vehicle; Coupling by means of a single coupling bar; Couplings preventing or limiting relative lateral movement of vehicles

Definitions

  • the invention relates to a rail vehicle coupling.
  • Certain types of rail vehicles such as trams or subways, run in fixed train compositions and are not separated operationally. These vehicles also often have special configurations in which not every individual vehicle is equipped with a chassis, but is carried by the neighboring vehicles as a so-called sedan wagon, or as a semi-trailer vehicle is partially carried by one of the neighboring vehicles.
  • a special coupling is provided between a conventional and a sedan wagon or a trailer vehicle, which transmits the operating and weight forces and which ensures the necessary mobility for curves, crests and troughs.
  • Ball joints spherical bearings
  • elastomer layered spring bearings are particularly well suited for this, but must be supplemented with suitable anti-roll supports.
  • a spherical bearing for a rail-mounted transport vehicle is known from conveyor technology, which is disclosed in the international patent application WO 2007/082316 A1 is shown and which comprises a bolt which is arranged in the yoke in a resilient part and thereby reduces the probability of derailment.
  • the invention is therefore based on the object of specifying a rail vehicle coupling with a spherical bearing in which the bolt of the bearing can be installed and removed easily; in particular, minimal inaccuracies in the positioning of the two halves of the coupling relative to one another should not make it more difficult to insert the bolt.
  • a rail vehicle coupling for the connection of two rail vehicles which has a joint eye designed for a detachable connection with one of the two rail vehicles and a joint fork designed for a detachable connection with the other of the two rail vehicles, as well as a horizontally aligned bolt, which is connected to the joint fork can be connected and which penetrates through a spherical bearing connected to the joint eye, each end of the bolt being connected to the joint yoke via a respective elastic bearing ring.
  • the advantage can be achieved of making the closing of the joint significantly easier than in the case of rail vehicle couplings according to the prior art.
  • Conventional joints require an optimal alignment of the bores in the joint yoke and in the spherical bearing in order to be able to insert the bolt. Even small inaccuracies in this alignment mean that the bolt cannot be inserted or can only be inserted with excessive force.
  • Subject invention made possible it is possible to insert the bolt even if these bores are not ideally aligned, since there is a gap between the inner wall of the bores in the joint yoke and the bolt, so that the bolt is inserted into the spherical bearing as a first step during joint assembly.
  • the space mentioned is connected to the joint yoke by means of an elastic bearing ring.
  • the elastic bearing ring is designed as a three-part component, comprising a conical metallic inner ring with a cylindrical bore and a conical metallic outer ring with a conical bore and an elastic intermediate layer between the inner ring and the outer ring.
  • the corresponding bores in the yoke should also be cone-shaped.
  • An elastic bearing ring is to be provided at both ends of the bolt, which is pushed onto the respective end of the bolt after the bolt has been inserted into the spherical bearing. Small eccentricities of the bolt relative to the bores in the joint yoke are absorbed by the elastic intermediate layer of the elastic bearing ring. It is thus possible to introduce this bolt into the rail vehicle coupling even if the bores in the joint yoke are not completely aligned with the bolt.
  • a clamping cover must be arranged at each end of the bolt, which fixes the inner rings of the bearing rings to the bolt by means of a screw connection.
  • At least one sleeve is to be provided which encompasses the bolt between the spherical bearing and one of the bearing rings.
  • the length of this sleeve determines the position of the inner race in relation to the spherical bearing.
  • One of the sleeves can be replaced by a shoulder on the bolt, but this restricts the direction in which the bolt can be joined.
  • Fig.1 shows a detail of a rail vehicle coupling by way of example and schematically. It is a section through a rail vehicle coupling 1, comprising a joint eye 2 with a spherical bearing 5 arranged therein. The section runs through the center point of the spherical bearing 5, along the bolt 4 penetrating the spherical bearing 5.
  • One half of the rail vehicle coupling 1 is shown, the second half is a mirror image of it.
  • the articulated eye 2 is equipped with bores for producing a screw connection with a rail vehicle and has a shape in which the spherical bearing 5 is arranged.
  • the spherical bearing is penetrated by a bolt 4, the ends of which are each mounted in a yoke 3.
  • the combination of a joint eye 2 with a spherical bearing 5, a joint fork 3 and a bolt 4 forms a rail vehicle coupling with three rotational degrees of freedom, as can be used, for example, at the coupling point between a sedan chair and a conventional wagon.
  • the rail vehicle coupling 1 is shown in a partially dismantled state, the pin 4 is not connected to the yoke 3, the corresponding connecting elements are shown in their installation position relative to the pin 4 in the manner of the exploded drawing.
  • this connection is made by means of an elastic bearing ring 6 .
  • This elastic bearing ring 6 comprises an inner ring 8 , an outer ring 9 and an elastic intermediate layer 10 which is arranged between the inner ring 8 and the outer ring 9 .
  • the inner diameter of the inner ring 8 is designed in such a way that it can be slid onto the bolt 4, with a bolt 4 comprehensive sleeve 7 specifies the required distance of the inner ring 8 to the spherical bearing 5 in its installed position.
  • the outer contour of the inner ring 8 is conical, as is the inner contour of the outer ring 9, so that the elastic intermediate layer 10 essentially assumes the shape of a truncated cone with a conical bore.
  • a conical bore 12 for receiving the elastic bearing ring 6 , more precisely the outer ring 9 is arranged in the yoke 3 .
  • the joint fork 3 and the joint eye 2 with the spherical bearing 5 are brought into their relative assembly position and the bolt 4 is introduced into the spherical bearing 5 in a first step.
  • the latter can be done very easily, since the ends of the bolt 4 do not have to be inserted into fits on the joint yoke 3, but have a large free space and the positioning of the joint yoke 3 to the joint eye 2 does not have to be as precise as with conventional rail vehicle couplings.
  • the sleeves 7 are then pushed onto the bolt 4 and the elastic bearing rings 6.
  • the conical bore 12 causes the bolt 4 to be centered in the conical bore 12 when the elastic bearing rings 6 are pushed onto the bolt 4 in the direction of the spherical bearing 5.
  • the end position of the inner ring 8 is determined by the sleeve 7 .
  • a clamping cover 11 fixes the inner ring 8 on the bolt 4, in the embodiment shown a guided through a bore 13 screw connection, which connects the clamping cover 11 on both sides, can be used.
  • the clamping cover 11 can be releasably attached by means of a thread located on a shoulder of the bolt 4 .
  • Fig.2 shows a rail vehicle coupling as an example and schematically. It's the rail car coupler 1 off Fig.1 shown, with the section being shown through the entire rail vehicle coupling 1 and with all components being shown in their installation position.
  • the elastic bearing rings 6 are in their end positions specified by the sleeves 7 and are fixed by clamping covers 11 .
  • outer clamping covers 13 are arranged at the ends of the bolt 4 and prevent the elastic bearing rings 6 from becoming loose in the conical bores of the joint yoke 3.
  • the outer clamping covers 13 can be detachably fastened to the joint yoke 3 by means of screw connections.
  • Fig.3 shows an example and a schematic of a rail vehicle coupling with bearing rings in the X position.
  • a highly abstracted sectional view through a rail vehicle coupling 1 with a joint yoke 3 , a joint eye 2 with a spherical bearing 5 and a bolt 4 penetrating the spherical bearing 5 is shown.
  • the ends of the bolt 4 are fastened in elastic bearing rings 6 in conical bores in the yoke 3.
  • a horizontal section through the center point of the spherical bearing 5 is shown.
  • the elastic bearing rings 6 are each fixed to the bolt 4 by means of a clamping cover 11 .
  • a screw connection with the bolt 4 is provided for this purpose.
  • the internal structure of the elastic bearing rings 6 shows an X-shaped structure in this sectional view.
  • Fig.4 shows an example and a schematic of a rail vehicle coupling with bearing rings in the O position. It is a rail vehicle coupling 1 as in Fig.3 shown, which differs in the structure of the elastic bearing rings 6.
  • the course of the elastic intermediate layer is designed so that their Diameter increases in the direction of the spherical bearing, the inner structure of the elastic bearing rings 6 shows an O-shaped structure in this sectional view.
  • This embodiment requires the use of an outer clamping cover 14 in order to prevent the elastic bearing rings from becoming loose.
  • the outer clamping covers 14 are detachably connected to the joint fork 3 by means of screw connections.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)

Description

Technisches Gebiettechnical field

Die Erfindung betrifft eine Schienenfahrzeugkupplung.The invention relates to a rail vehicle coupling.

Stand der TechnikState of the art

Bestimmte Typen von Schienenfahrzeugen, wie Straßenbahnen oder U-Bahnen verkehren in festen Zugzusammenstellungen und werden betriebsmäßig nicht getrennt. Dabei weisen diese Fahrzeuge auch oft spezielle Konfigurationen auf, bei welchen nicht jedes einzelne Fahrzeug mit einem Fahrwerk ausgestattet ist, sondern als sogenannter Sänftenwagen von den benachbarten Fahrzeugen getragen wird, bzw. als Aufliegerfahrzeug teilweise von einem der benachbarten Fahrzeuge getragen wird. Zwischen einem konventionellen und einem Sänftenwagen oder einem Aufliegerfahrzeug ist eine besondere Kupplung vorgesehen, welche die Betriebs- und Gewichtskräfte übermittelt und welche die erforderliche Beweglichkeit für Kurven- Kuppen- und Wannenfahrten sicherstellt. Dafür sind insbesondere Kugelgelenke (Sphärolager) oder Elastomer-Schichtfederlager gut geeignet, sind jedoch um geeignete Wankstützen zu ergänzen. Diese Wankstützen verhindern ein Verkippen um die Längsachse der gekoppelten Wagen zueinander, behindern die weiteren Freiheitsgrade jedoch nicht. Eine Wartung dieser Kugelgelenke kann jedoch nur erfolgen, wenn die Kuppelstelle zwischen einem konventionellen Wagen und einem Sänftenwagen getrennt ist. Dabei ist der Sänftenwagen, da er kein Drehgestell umfasst, geeignet anzuheben und abzustützen. Diese Tätigkeit ist auch in einer gut ausgerüsteten Schienenfahrzeugwerkstatt ein umfangreiches, aufwendiges und somit teures Vorhaben, sodass dafür Erleichterungen geschaffen wurden. In der Patentschrift AT 519362 B1 ist ein Rahmen zur Überbrückung eines Kugelgelenks während der Wartungsarbeiten an diesem Kugelgelenk gezeigt, der es ermöglicht, das Kugelgelenk kraftfrei zu halten und somit ausbauen zu können. Jedoch führen bereits kleinste Abweichungen der Positionen der Fahrzeuge zueinander zu hohen Zwangskräften, was den Ein- bzw. Ausbau des Lagers, insbesondere des die Gelenkkugel durchdringenden Bolzens erschwert. Insbesondere ist während der Montage oder Demontage des das Sphärolager durchdringenden Bolzens eine exakte Fluchtung der Bohrungen in dem Sphärolager und der Gelenkgabel sicherzustellen, was wegen der erforderlichen engen Toleranzen zwischen den Bohrungen in der Gelenkgabel und dem Bolzen außerordentlich schwierig ist.Certain types of rail vehicles, such as trams or subways, run in fixed train compositions and are not separated operationally. These vehicles also often have special configurations in which not every individual vehicle is equipped with a chassis, but is carried by the neighboring vehicles as a so-called sedan wagon, or as a semi-trailer vehicle is partially carried by one of the neighboring vehicles. A special coupling is provided between a conventional and a sedan wagon or a trailer vehicle, which transmits the operating and weight forces and which ensures the necessary mobility for curves, crests and troughs. Ball joints (spherical bearings) or elastomer layered spring bearings are particularly well suited for this, but must be supplemented with suitable anti-roll supports. These anti-roll bars prevent the coupled carriages from tilting about the longitudinal axis relative to one another, but do not impede the other degrees of freedom. However, these ball joints can only be serviced if the coupling point between a conventional wagon and a sedan wagon is separate. This includes the sedan chair, since it does not have a bogie includes suitable lifting and supporting. Even in a well-equipped rail vehicle workshop, this activity is an extensive, complex and therefore expensive project, so that it is made easier. In the patent AT519362B1 a frame for bridging a ball joint during maintenance work on this ball joint is shown, which makes it possible to keep the ball joint free of force and thus to be able to expand it. However, even the smallest deviations in the positions of the vehicles in relation to one another lead to high constraining forces, which makes it difficult to install or remove the bearing, in particular the bolt penetrating the joint ball. In particular, during assembly or disassembly of the bolt penetrating the spherical bearing, an exact alignment of the bores in the spherical bearing and the yoke must be ensured, which is extremely difficult because of the tight tolerances required between the bores in the yoke and the bolt.

Aus dem Stand der Technik sind Schienenfahrzeugkupplungen mit Sphärolagern bekannt, so zeigt die europäische Anmeldeschrift EP 1 048 544 A1 eine solche Kupplung, welche weiters auch über einen geteilten Bolzen verfügt.Rail vehicle couplings with spherical bearings are known from the prior art, as the European application shows EP 1 048 544 A1 such a coupling, which also has a split bolt.

Aus der Fördertechnik ist ein Sphärolager für einen schienengebundenen Transportwagen bekannt, welches in der internationalen Patentanmeldung WO 2007/082316 A1 dargestellt ist und welches einen Bolzen umfasst, der in der Gelenkgabel in einem elastischen Teil angeordnet ist und dadurch die Entgleisungswahrscheinlichkeit reduziert.A spherical bearing for a rail-mounted transport vehicle is known from conveyor technology, which is disclosed in the international patent application WO 2007/082316 A1 is shown and which comprises a bolt which is arranged in the yoke in a resilient part and thereby reduces the probability of derailment.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt daher die Aufgabe zugrunde, eine Schienenfahrzeugkupplung mit einem Sphärolager anzugeben, bei welcher ein Ein- bzw. Ausbau des Bolzens des Lagers einfach möglich ist, insbesondere sollen minimale Ungenauigkeiten der Positionierung der beiden Hälften der Kupplung zueinander das Einbringen des Bolzens nicht erschweren.The invention is therefore based on the object of specifying a rail vehicle coupling with a spherical bearing in which the bolt of the bearing can be installed and removed easily; in particular, minimal inaccuracies in the positioning of the two halves of the coupling relative to one another should not make it more difficult to insert the bolt.

Die Aufgabe wird durch eine Schienenfahrzeugkupplung mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen sind Gegenstand untergeordneter Ansprüche.The object is achieved by a rail vehicle coupling with the features of claim 1. Advantageous configurations are the subject of subordinate claims.

Dem Grundgedanken der Erfindung nach wird eine Schienenfahrzeugkupplung für die Verbindung zweier Schienenfahrzeuge beschrieben, welche ein zur lösbaren Verbindung mit einem der beiden Schienenfahrzeuge eingerichtetes Gelenkauge und eine zur lösbaren Verbindung mit dem weiteren der beiden Schienenfahrzeuge eingerichtete Gelenkgabel sowie einen waagrecht ausgerichteten Bolzen, welche mit der Gelenkgabel verbindbar ist und welche ein mit dem Gelenkauge verbundenes Sphärolager durchdringt umfasst, wobei jedes Ende des Bolzens über je einen elastischen Lagerring mit der Gelenkgabel verbunden ist.According to the basic idea of the invention, a rail vehicle coupling for the connection of two rail vehicles is described, which has a joint eye designed for a detachable connection with one of the two rail vehicles and a joint fork designed for a detachable connection with the other of the two rail vehicles, as well as a horizontally aligned bolt, which is connected to the joint fork can be connected and which penetrates through a spherical bearing connected to the joint eye, each end of the bolt being connected to the joint yoke via a respective elastic bearing ring.

Dadurch ist der Vorteil erzielbar, das Schließen des Gelenks deutlich einfacher zu gestalten als bei Schienenfahrzeugkupplungen gemäß dem Stand der Technik. Konventionelle Gelenke bedürfen einer optimalen Ausrichtung der Bohrungen in der Gelenkgabel und in dem Sphärolager, um den Bolzen einbringen zu können. Selbst kleine Ungenauigkeiten in dieser Ausrichtung führen dazu, dass der Bolzen nicht, bzw. nur mit übermäßigem Kraftaufwand eingebracht werden kann. Gegenständliche Erfindung ermöglicht es, auch bei nicht idealer Fluchtung dieser Bohrungen, den Bolzen einbringen zu können, da zwischen der Innenwandung der Bohrungen in der Gelenkgabel und dem Bolzen ein Zwischenraum besteht, sodass bei der Gelenkmontage in einem ersten Schritt der Bolzen in das Sphärolager eingebracht wird. Der genannte Zwischenraum wird bei der weiteren Montage jeweils mit einem elastischen Lagerring mit der Gelenkgabel verbunden.As a result, the advantage can be achieved of making the closing of the joint significantly easier than in the case of rail vehicle couplings according to the prior art. Conventional joints require an optimal alignment of the bores in the joint yoke and in the spherical bearing in order to be able to insert the bolt. Even small inaccuracies in this alignment mean that the bolt cannot be inserted or can only be inserted with excessive force. Subject invention made possible it is possible to insert the bolt even if these bores are not ideally aligned, since there is a gap between the inner wall of the bores in the joint yoke and the bolt, so that the bolt is inserted into the spherical bearing as a first step during joint assembly. During further assembly, the space mentioned is connected to the joint yoke by means of an elastic bearing ring.

Der elastische Lagerring ist als dreiteiliger Bauteil, umfassend einen konusförmigen metallischen Innenring mit zylindrischer Bohrung und einen konusförmigen metallischen Außenring mit konischer Bohrung und einer elastischen Zwischenschicht zwischen dem Innenring und dem Außenring ausgeführt. Die korrespondierenden Bohrungen in der Gelenkgabel sind dabei ebenfalls konusförmig auszuführen.The elastic bearing ring is designed as a three-part component, comprising a conical metallic inner ring with a cylindrical bore and a conical metallic outer ring with a conical bore and an elastic intermediate layer between the inner ring and the outer ring. The corresponding bores in the yoke should also be cone-shaped.

Es ist an beiden Enden des Bolzens je ein elastischer Lagerring vorzusehen, welcher nach dem Einbringen des Bolzens in das Sphärolager auf das jeweilige Bolzenende geschoben wird. Dabei werden kleine Exzentrizitäten des Bolzens gegenüber den Bohrungen in der Gelenkgabel von der elastischen Zwischenschicht des elastischen Lagerrings aufgenommen. Somit gelingt es, auch bei nicht vollständiger Fluchtung der Bohrungen in der Gelenkgabel mit dem Bolzen, diesen Bolzen in die Schienenfahrzeugkupplung einzubringen.An elastic bearing ring is to be provided at both ends of the bolt, which is pushed onto the respective end of the bolt after the bolt has been inserted into the spherical bearing. Small eccentricities of the bolt relative to the bores in the joint yoke are absorbed by the elastic intermediate layer of the elastic bearing ring. It is thus possible to introduce this bolt into the rail vehicle coupling even if the bores in the joint yoke are not completely aligned with the bolt.

Es ist vorteilhaft, die Lagerringe axial in Richtung des Mittelpunkts des Sphärolagers in ihrer Einbauposition zu spannen, sodass eine Lockerung der Lagerringe und damit auch des Bolzens verhindert werden kann. Dazu ist an jedem Ende des Bolzens ein Spanndeckel anzuordnen, welcher die Innenringe der Lagerringe mittels einer Schraubverbindung an dem Bolzen fixiert.It is advantageous to clamp the bearing rings axially in the direction of the center point of the spherical bearing in their installed position, so that the bearing rings and thus also the bolt can be prevented from loosening. For this purpose, a clamping cover must be arranged at each end of the bolt, which fixes the inner rings of the bearing rings to the bolt by means of a screw connection.

Es ist möglich, diese Schraubverbindung mit Gewinden im Bolzen auszuführen oder mittels einer Zugstange zu realisieren, welche im Inneren eines hohl gebohrten Bolzens geführt wird.It is possible to realize this screw connection with threads in the bolt or by means of a tie rod, which is guided inside a hollow bolt.

Um eine definierte Position der Innenringe an dem Bolzen zu erzielen, ist mindestens eine Hülse vorzusehen, welche den Bolzen zwischen dem Sphärolager und einem der Lagerringe umfasst. Die Länge dieser Hülse bestimmt die Position des inneren Lagerrings in Bezug auf das Sphärolager. Es kann eine der Hülsen durch einen Ansatz an dem Bolzen ersetzt werden, wodurch jedoch die Fügerichtung des Bolzens eingeschränkt wird.In order to achieve a defined position of the inner rings on the bolt, at least one sleeve is to be provided which encompasses the bolt between the spherical bearing and one of the bearing rings. The length of this sleeve determines the position of the inner race in relation to the spherical bearing. One of the sleeves can be replaced by a shoulder on the bolt, but this restricts the direction in which the bolt can be joined.

In weiterer Fortbildung der Erfindung ist vorgesehen, an jedem Ende des Bolzens einen äußeren Spanndeckel anzuordnen, welcher die Außenringe der Lagerringe mittels einer Schraubverbindung an der Gelenkgabel fixiert. Solcherart können die Bohrungen in der Gelenkgabel verschlossen und die Lagerringe vor Verschmutzung geschützt werden.In a further development of the invention, it is provided to arrange an outer clamping cover at each end of the bolt, which fixes the outer rings of the bearing rings to the joint yoke by means of a screw connection. In this way, the bores in the yoke can be closed and the bearing rings protected from dirt.

Kurzbeschreibung der ZeichnungenBrief description of the drawings

Es zeigen beispielhaft:

Fig.1
Schienenfahrzeugkupplung, Detail.
Fig.2
Schienenfahrzeugkupplung.
Fig.3
Schienenfahrzeugkupplung, Lagerringe in X-Stellung.
Fig.4
Schienenfahrzeugkupplung, Lagerringe in O-Stellung.
Examples show:
Fig.1
Rail vehicle coupling, detail.
Fig.2
railway vehicle coupling.
Fig.3
Rail vehicle coupling, bearing rings in X position.
Fig.4
Rail vehicle coupling, bearing rings in O position.

Ausführung der Erfindungimplementation of the invention

Fig.1 zeigt beispielhaft und schematisch ein Detail einer Schienenfahrzeugkupplung. Es ist ein Schnitt durch eine Schienenfahrzeugkupplung 1, umfassend ein Gelenkauge 2 mit einem darin angeordneten Sphärolager 5 dargestellt. Der Schnitt verläuft durch den Mittelpunkt des Sphärolagers 5, entlang dem das Sphärolager 5 durchdringenden Bolzen 4. Es ist eine Hälfte der Schienenfahrzugskupplung 1 dargestellt, die zweite Hälfte ist dazu spiegelbildlich ausgebildet. Das Gelenkauge 2 ist mit Bohrungen zur Herstellung einer Schraubverbindung mit einem Schienenfahrzeug ausgestattet und weist eine Ausformung auf, in welcher das Sphärolager 5 angeordnet ist. Das Sphärolager ist von einem Bolzen 4 durchdrungen, deren Enden jeweils in einer Gelenkgabel 3 gelagert sind. Die Zusammenstellung aus einem Gelenkauge 2 mit einem Sphärolager 5, einer Gelenkgabel 3 und einem Bolzen 4 bildet eine Schienenfahrzeugkupplung mit drei Rotationsfreiheitsgraden, wie sie beispielsweise an der Kuppelstelle zwischen einem Sänftenwagen und einem konventionellen Wagen zum Einsatz kommen kann. Die Schienenfahrzeugkupplung 1 ist in teilweise zerlegtem Zustand dargestellt, der Bolzen 4 ist nicht mit der Gelenkgabel 3 verbunden, die entsprechenden Verbindungselemente sind nach Art der Explosionszeichnung in ihrer relativen Einbaulage zu dem Bolzen 4 dargestellt. Erfindungsgemäß erfolgt diese Verbindung mittels eines elastischen Lagerrings 6. Dieser elastische Lagerring 6 umfasst einen Innenring 8, einen Außenring 9 und eine elastische Zwischenschicht 10, welche zwischen dem Innenring 8 und dem Außenring 9 angeordnet ist. Der Innendurchmesser des Innenrings 8 ist so gestaltet, dass er auf den Bolzen 4 schiebbar ist, wobei eine den Bolzen 4 umfassende Hülse 7 den erforderlichen Abstand des Innenrings 8 zu dem Sphärolager 5 in seiner Einbauposition vorgibt. Die Außenkontur des Innenrings 8 ist konisch ausgeführt, ebenso die Innenkontur des Außenrings 9, sodass die elastische Zwischenschicht 10 im Wesentlichen eine kegelstumpfartige Form mit einer kegeligen Bohrung annimmt. In der Gelenkgabel 3 ist eine konische Bohrung 12 zur Aufnahme des elastischen Lagerrings 6, genauer des Außenrings 9 angeordnet. Bei der Montage, d.h. dem Schließen der Schienenfahrzeugkupplung 1 werden in einem ersten Schritt die Gelenkgabel 3 und das Gelenkauge 2 mit dem Sphärolager 5 in ihre relative Montageposition gebracht und der Bolzen 4 in das Sphärolager 5 eingebracht. Letzteres kann sehr einfach erfolgen, da die Enden des Bolzens 4 dabei nicht in Passungen an der Gelenkgabel 3 eingeführt werden müssen, sondern einen großen Freiraum besitzen und die Positionierung der Gelenkgabel 3 zu dem Gelenkauge 2 nicht mit jener Genauigkeit erfolgen muß wie bei herkömmlichen Schienenfahrzeugkupplungen. In weiterer Folge werden die Hülsen 7 auf den Bolzen 4 geschoben sowie die elastischen Lagerringe 6. Die konische Bohrung 12 bewirkt eine Zentrierung des Bolzens 4 in der konischen Bohrung 12 wenn die elastischen Lagerringe 6 in Richtung des Sphärolagers 5 auf den Bolzen 4 geschoben werden. Die Endposition des Innenrings 8 ist dabei durch die Hülse 7 bestimmt. Ein Spanndeckel 11 fixiert den Innenring 8 auf dem Bolzen 4, wobei in gezeigtem Ausführungsbeispiel eine durch eine Bohrung 13 geführte Schraubverbindung, welche die Spanndeckel 11 beider Seiten verbindet, einsetzbar ist. Ebenso kann der Spanndeckel 11 mittels eines auf einem Ansatz des Bolzens 4 befindlichen Gewindes lösbar befestigt werden. Fig.1 shows a detail of a rail vehicle coupling by way of example and schematically. It is a section through a rail vehicle coupling 1, comprising a joint eye 2 with a spherical bearing 5 arranged therein. The section runs through the center point of the spherical bearing 5, along the bolt 4 penetrating the spherical bearing 5. One half of the rail vehicle coupling 1 is shown, the second half is a mirror image of it. The articulated eye 2 is equipped with bores for producing a screw connection with a rail vehicle and has a shape in which the spherical bearing 5 is arranged. The spherical bearing is penetrated by a bolt 4, the ends of which are each mounted in a yoke 3. The combination of a joint eye 2 with a spherical bearing 5, a joint fork 3 and a bolt 4 forms a rail vehicle coupling with three rotational degrees of freedom, as can be used, for example, at the coupling point between a sedan chair and a conventional wagon. The rail vehicle coupling 1 is shown in a partially dismantled state, the pin 4 is not connected to the yoke 3, the corresponding connecting elements are shown in their installation position relative to the pin 4 in the manner of the exploded drawing. According to the invention, this connection is made by means of an elastic bearing ring 6 . This elastic bearing ring 6 comprises an inner ring 8 , an outer ring 9 and an elastic intermediate layer 10 which is arranged between the inner ring 8 and the outer ring 9 . The inner diameter of the inner ring 8 is designed in such a way that it can be slid onto the bolt 4, with a bolt 4 comprehensive sleeve 7 specifies the required distance of the inner ring 8 to the spherical bearing 5 in its installed position. The outer contour of the inner ring 8 is conical, as is the inner contour of the outer ring 9, so that the elastic intermediate layer 10 essentially assumes the shape of a truncated cone with a conical bore. A conical bore 12 for receiving the elastic bearing ring 6 , more precisely the outer ring 9 , is arranged in the yoke 3 . During assembly, ie the closing of the rail vehicle coupling 1 , the joint fork 3 and the joint eye 2 with the spherical bearing 5 are brought into their relative assembly position and the bolt 4 is introduced into the spherical bearing 5 in a first step. The latter can be done very easily, since the ends of the bolt 4 do not have to be inserted into fits on the joint yoke 3, but have a large free space and the positioning of the joint yoke 3 to the joint eye 2 does not have to be as precise as with conventional rail vehicle couplings. The sleeves 7 are then pushed onto the bolt 4 and the elastic bearing rings 6. The conical bore 12 causes the bolt 4 to be centered in the conical bore 12 when the elastic bearing rings 6 are pushed onto the bolt 4 in the direction of the spherical bearing 5. The end position of the inner ring 8 is determined by the sleeve 7 . A clamping cover 11 fixes the inner ring 8 on the bolt 4, in the embodiment shown a guided through a bore 13 screw connection, which connects the clamping cover 11 on both sides, can be used. Likewise, the clamping cover 11 can be releasably attached by means of a thread located on a shoulder of the bolt 4 .

Fig.2 zeigt beispielhaft und schematisch eine Schienenfahrzeugkupplung. Es ist die Schienenfahrzeugkupplung 1 aus Fig.1 dargestellt, wobei der Schnitt durch die gesamte Schienenfahrzeugkupplung 1 gezeigt ist und wobei alle Bauteile in ihrer Einbauposition gezeigt sind. Die elastischen Lagerringe 6 befinden sich in ihren, durch die Hülsen 7 vorgegebenen Endpositionen und werden durch Spanndeckel 11 fixiert. Weiters sind äußere Spanndeckel 13 an den Enden des Bolzens 4 angeordnet und verhindern ein Lockerwerden der elastischen Lagerringe 6 in den konischen Bohrungen der Gelenkgabel 3. Die äußeren Spanndeckel 13 können mittels Schraubverbindungen an der Gelenkgabel 3 lösbar befestigt werden. Fig.2 shows a rail vehicle coupling as an example and schematically. It's the rail car coupler 1 off Fig.1 shown, with the section being shown through the entire rail vehicle coupling 1 and with all components being shown in their installation position. The elastic bearing rings 6 are in their end positions specified by the sleeves 7 and are fixed by clamping covers 11 . Furthermore, outer clamping covers 13 are arranged at the ends of the bolt 4 and prevent the elastic bearing rings 6 from becoming loose in the conical bores of the joint yoke 3. The outer clamping covers 13 can be detachably fastened to the joint yoke 3 by means of screw connections.

Fig.3 zeigt beispielhaft und schematisch eine Schienenfahrzeugkupplung mit Lagerringen in X-Stellung. Es ist eine stark abstrahierte Schnittdarstellung durch eine Schienenfahrzeugkupplung 1 mit einer Gelenkgabel 3, einem Gelenkauge 2 mit einem Sphärolager 5 und einen das Sphärolager 5 durchdringenden Bolzen 4 dargestellt. Die Enden des Bolzens 4 sind in elastischen Lagerringen 6 in konischen Bohrungen in der Gelenkgabel 3 befestigt. Es ist ein horizontaler Schnitt durch den Mittelpunkt des Sphärolagers 5 gezeigt. Die elastischen Lagerringe 6 sind mittels je einem Spanndeckel 11 an dem Bolzen 4 fixiert. Dazu ist eine Schraubverbindung mit dem Bolzen 4 vorgesehen. Der innere Aufbau der elastischen Lagerringe 6 zeigt in dieser Schnittdarstellung eine X-förmige Struktur. Fig.3 shows an example and a schematic of a rail vehicle coupling with bearing rings in the X position. A highly abstracted sectional view through a rail vehicle coupling 1 with a joint yoke 3 , a joint eye 2 with a spherical bearing 5 and a bolt 4 penetrating the spherical bearing 5 is shown. The ends of the bolt 4 are fastened in elastic bearing rings 6 in conical bores in the yoke 3. A horizontal section through the center point of the spherical bearing 5 is shown. The elastic bearing rings 6 are each fixed to the bolt 4 by means of a clamping cover 11 . A screw connection with the bolt 4 is provided for this purpose. The internal structure of the elastic bearing rings 6 shows an X-shaped structure in this sectional view.

Fig.4 zeigt beispielhaft und schematisch eine Schienenfahrzeugkupplung mit Lagerringen in O-Stellung. Es ist eine Schienenfahrzeugkupplung 1 wie in Fig.3 dargestellt, welche sich im Aufbau der elastischen Lagerringe 6 unterscheidet. In diesem Ausführungsbeispiel ist der Verlauf der elastischen Zwischenschicht so gestaltet, dass deren Durchmesser in Richtung des Sphärolagers hin zunimmt, der innere Aufbau der elastischen Lagerringe 6 zeigt in dieser Schnittdarstellung eine O-förmige Struktur. Diese Ausführungsform bedingt es, einen äußeren Spanndeckel 14 einzusetzen, um ein Lockerwerden der elastischen Lagerringe zu verhindern. Die äußeren Spanndeckel 14 sind dabei mittels Schraubverbindungen mit der Gelenkgabel 3 lösbar verbunden. Fig.4 shows an example and a schematic of a rail vehicle coupling with bearing rings in the O position. It is a rail vehicle coupling 1 as in Fig.3 shown, which differs in the structure of the elastic bearing rings 6. In this embodiment, the course of the elastic intermediate layer is designed so that their Diameter increases in the direction of the spherical bearing, the inner structure of the elastic bearing rings 6 shows an O-shaped structure in this sectional view. This embodiment requires the use of an outer clamping cover 14 in order to prevent the elastic bearing rings from becoming loose. The outer clamping covers 14 are detachably connected to the joint fork 3 by means of screw connections.

Liste der BezeichnungenList of designations

11
Schienenfahrzeugkupplungrailway vehicle coupling
22
Gelenkaugearticulated eye
33
Gelenkgabelarticulated fork
44
Bolzenbolt
55
SphärolagerSphere Bearing
66
Elastischer LagerringElastic bearing ring
77
Hülsesleeve
88th
Innenringinner ring
99
Außenringouter ring
1010
Elastische ZwischenschichtElastic intermediate layer
1111
Spanndeckelclamping cover
1212
Konische BohrungTapered bore
1313
Bohrungdrilling
1414
Äußerer SpanndeckelOuter clamping cover

Claims (4)

  1. Rail vehicle coupling (1) for connecting two rail vehicles, comprising a coupling head (2) configured for detachably connecting to one of the two rail vehicles and a coupling body (3) configured for detachably connecting to the other of the two rail vehicles as well as a horizontally oriented bolt (4), which can be connected to the coupling body (3) and which penetrates a spherical bearing (5) connected to the coupling head (2),
    characterised in that
    each end of the bolt (4) is connected to the coupling body via an elastic bearing ring (6) in each case, wherein the bearing rings (6) each have a conical metallic inner ring (8) with a cylindrical bore hole and a conical metallic outer ring (9) with conical bore hole, and wherein an elastic intermediate layer (10) is arranged between the inner ring and the outer ring.
  2. Rail vehicle coupling (1) according to claim 1, characterised in that
    at least one sleeve (7) comprises the bolt (4) between the spherical bearing (5) and a bearing ring (6).
  3. Rail vehicle coupling (1) according to one of claims 1 or 2,
    characterised in that
    arranged at each end of the bolt is a clamping lid (11), which fixes the inner ring (8) of the bearing rings (6) to the bolt (4) by means of a screw connection.
  4. Rail vehicle coupling (1) according to one of claims 1 to 3,
    characterised in that arranged at each end of the bolt (4) is an outer clamping lid (14), which fixes the outer ring (9) of the bearing rings (6) to the coupling body (3) by means of a screw connection.
EP20185968.3A 2019-07-22 2020-07-15 Rail vehicle coupling Active EP3770038B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50661/2019A AT522331B1 (en) 2019-07-22 2019-07-22 Rail vehicle coupling

Publications (2)

Publication Number Publication Date
EP3770038A1 EP3770038A1 (en) 2021-01-27
EP3770038B1 true EP3770038B1 (en) 2022-09-14

Family

ID=71620307

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20185968.3A Active EP3770038B1 (en) 2019-07-22 2020-07-15 Rail vehicle coupling

Country Status (4)

Country Link
EP (1) EP3770038B1 (en)
AT (1) AT522331B1 (en)
ES (1) ES2927691T3 (en)
PL (1) PL3770038T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113305153B (en) * 2021-05-31 2023-06-23 安徽马钢重型机械制造有限公司 Fixed-width press pull rod device of plate strip hot rolling line
CN115056815B (en) * 2022-07-14 2024-03-12 株洲时代新材料科技股份有限公司 Train end hinging mechanism of rubber-tyred train

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19919536A1 (en) * 1999-04-29 2000-11-02 Alstom Lhb Gmbh Articulated coupling for vehicle units of rail vehicles
DE10021967A1 (en) * 2000-05-05 2001-11-08 Scharfenbergkupplung Gmbh & Co Device for the articulated connection of car bodies of a multi-unit rail vehicle
WO2007082316A1 (en) * 2006-01-09 2007-07-19 Deebar Mining & Industrial Supplies Cc A train
DE102006011425A1 (en) * 2006-03-11 2007-09-13 Schaeffler Kg Articulated coupling for rail vehicles
DE102006036245A1 (en) * 2006-08-03 2008-02-07 Schaeffler Kg Articulated coupling for rail vehicles
CN106004919B (en) * 2016-06-14 2018-03-13 湘电重型装备有限公司 A kind of articulated mounting of industrial-mineral electric locomotive
AT519362B1 (en) 2016-10-04 2018-06-15 Siemens Ag Oesterreich Rail vehicle coupling for the connection of two rail vehicles

Also Published As

Publication number Publication date
PL3770038T3 (en) 2023-01-16
AT522331B1 (en) 2020-10-15
AT522331A4 (en) 2020-10-15
ES2927691T3 (en) 2022-11-10
EP3770038A1 (en) 2021-01-27

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