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EP0947410A1 - Device for resiliently supporting the coupling shaft of a central buffer coupling on a railway vehicle - Google Patents

Device for resiliently supporting the coupling shaft of a central buffer coupling on a railway vehicle Download PDF

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Publication number
EP0947410A1
EP0947410A1 EP99106435A EP99106435A EP0947410A1 EP 0947410 A1 EP0947410 A1 EP 0947410A1 EP 99106435 A EP99106435 A EP 99106435A EP 99106435 A EP99106435 A EP 99106435A EP 0947410 A1 EP0947410 A1 EP 0947410A1
Authority
EP
European Patent Office
Prior art keywords
housing
coupling shaft
ring
coupling
rings
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
EP99106435A
Other languages
German (de)
French (fr)
Other versions
EP0947410B1 (en
Inventor
Joachim Kreher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Turbo Scharfenberg GmbH and Co KG
Original Assignee
Scharfenbergkupplung GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Scharfenbergkupplung GmbH and Co KG filed Critical Scharfenbergkupplung GmbH and Co KG
Publication of EP0947410A1 publication Critical patent/EP0947410A1/en
Application granted granted Critical
Publication of EP0947410B1 publication Critical patent/EP0947410B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/04—Draw-gear combined with buffing appliances
    • B61G9/06—Draw-gear combined with buffing appliances with rubber springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G7/00—Details or accessories
    • B61G7/10—Mounting of the couplings on the vehicle

Definitions

  • the invention relates to a device for resiliently supporting the coupling shaft a central buffer coupling on a rail vehicle according to the preamble of claim 1.
  • Such a device is e.g. B. known from DE 27 01 984 A1.
  • the device also has open housing towards the center buffer coupling, its axis in the vehicle longitudinal direction runs and into which the coupling shaft with a radial distance from the Inner circumferential surface of the housing protrudes coaxially.
  • Resilient rings made of elastic material are provided between the peripheral surfaces the coupling shaft and the inner circumferential surfaces of the housing. The rings are with their median planes are aligned vertically and at a mutual distance in Shaft longitudinal direction arranged.
  • the rings are in the gaps between two adjacent, circumferential ring beads on the peripheral surface of the Coupling shaft and on the inner peripheral surface of the housing opposite the clutch shaft and the housing.
  • the housing and the clutch shaft and the rings have an elongated round cross section, the largest diameter in the horizontal central plane of the housing or Clutch shaft lies.
  • the housing is in two in its horizontal median plane Half shells divided, which are connected to each other by means of releasable fastening means are.
  • the rings are at least in the horizontal central plane of the housing one side separated, with each ring immediately on both the peripheral surface of the coupling shaft as well as on the inner peripheral surface of the housing. In the unloaded state of the device, ie when there are no tensile or impact forces the device act, the ring beads of the coupling shaft are aligned with the assigned ring beads of the housing.
  • the invention is therefore based on the object, the generation and adjustability the bias of the spring apparatus of the device described above improve.
  • the invention is based on the schematic diagrams of two exemplary embodiments explained in more detail.
  • a bracket 1 attached to a rail vehicle, not shown, is about Pin 2 connected to a housing 3 which coaxially with a radial distance encloses a central buffer coupling bearing shaft 4, both the coupling shaft 4 and the housing 3 preferably have a round cross section or have a cross section with a long and a short axis, its larger diameter in the horizontal central plane of the housing or the coupling shaft is arranged.
  • the inventive solution is also for generic devices with any cross section of housing 3 and Coupling flange 4 can be used.
  • Both the coupling shaft 4 and the inner circumference of the housing 3 are with circumferential ring desert 6 and 5 provided that in the unloaded state of the device cursed with each other.
  • the ends 7 of the housing 3 are more end-forming Ring beads 5 retracted inwards, while those assigned to the ends Shoulders 8 of the coupling shaft 4 are designed accordingly.
  • the clutch shaft 4 becomes vertical at a predetermined radial distance from the housing 3 arranged to the vehicle longitudinal direction, between the ends 7 and Shoulders 8 and the ring beads 5 and 6 inserted rings 9 made of elastic Material, e.g. B. rubber or plastic.
  • the housing 3 consists of two of the same type trained half-shells to be detachably connected by means of screws 10, and the rings 9 are slotted on one or both sides. Furthermore are the rings 9 with a certain excess over the screws 10 with preload Can be installed perpendicular to the longitudinal direction of the coupling shaft, which ensures that the Rings 9 between coupling shade 4 and housing 3 can be produced.
  • the coupling shaft 4 has on its section facing the housing opening a collar 11, against one side of which a biasing ring 12 with its rear Side and against the other side of the closest to the opening of the housing Ring 9 rests with its front side, the biasing ring 12 the rings 9 biased in the unloaded position of the device in the longitudinal direction of the coupling shaft.
  • the biasing ring 9 is in a circumferential trough-shaped recess 13 of the Coupling shaft 4 and a similar recess 13 of the housing 3 inserted.
  • the recesses 13 have run-on bevels 14 to which the preload ring 9 (rolling ring) is guided.
  • the bevels 14 of the housing 3 and / or the coupling shaft 4 are in Direction of the housing opening is flatter than the axially opposite Run-up bevels 14 which have a maximum angle of 90 ° to the coupling flange or merge into federal government 11.
  • the preload of the device by means of the preload ring 12 in the longitudinal direction of the coupling shaft, d. H. in the direction of pressure or impact, as in the exemplary embodiment 1 and 2 by connecting the parts of the divided housing, usually by screws 10.
  • a more precise and fine adjustment of the preload of the device in the longitudinal direction of the coupling shaft, d. H. in the direction of pressure or impact, allows a design according to the second embodiment of the invention according to Fig. 3 and Fig. 4.
  • This Embodiment takes place in the generation and adjustment of the biasing force Longitudinal direction of the coupling shaft 4 via a pressure piece 15 which is on the housing is fastened and supported by means of screws 16.
  • the pressure piece 15 can an additional adjustment device (not shown) for fine adjustment exhibit.
  • the device can be used with a or more rings 9 are executed.
  • the number of rings 9 and the ring beads 5 and 6 is according to the size of the forces to be absorbed, with a higher number of rings 9 a allows higher load absorption.
  • the amount of the biasing force in the longitudinal direction of the clutch shaft 4, d. H. of the Coupling shaft 4 is biased in the direction of pressure or impact, is larger than that maximum, operationally occurring tensile force provided on the coupling shaft 4.
  • the rings 9, on the one hand entrained by ring desert 6 of the coupling shaft 4 and on the other hand are held by the annular beads 5 of the housing 3 over the entire Cross-section elastically deformed, with the rings 9 initially being stressed takes place on thrust. If the load increases further, the shear stress goes gradually into a compressive stress as the rings 9 progressively compressed between two successive ring beads 5 and 6 are, so that the rings 9 finally at a further deformation are hindered. A progressive spring characteristic is thus achieved.
  • the preload ring 12 remains essentially unloaded since the flatter run-up slopes 14 allows him to dodge to the side of the housing opening.
  • the clutch shade 4 is subject to its weight and the weight of the central buffer clutch a downward moment.
  • the clutch shaft always approaches in the horizontal central position are located.
  • a vertical support is provided by the preload ring 12, which additionally for support by the rings 9 acts. Because of the larger support base are longer coupling shafts 4 or higher for types with preload ring 12 Weights can be supported without additional vertical support.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Tires In General (AREA)
  • Vibration Dampers (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Mechanical Operated Clutches (AREA)
  • Springs (AREA)

Abstract

The assembly to give an elastic support to the coupling shaft (4) of a center buffer coupling, at a rail vehicle, has a collar (11) at the coupling shaft (4) with a tensioning ring (12) at the rear side. It has a ring (9) towards the opening of the buffer housing (3) at the leading side. The tensioning ring (12) applies a tension on the leading ring (9) along the coupling shaft (4) when the buffer is not under loading forces, in the direction of expected pressure and impact.

Description

Die Erfindung betrifft eine Vorrichtung zum elastischen Abstützen des Kupplungsschaftes einer Mittelpufferkupplung an einem Schienenfahrzeug nach dem Oberbegriff des Anspruchs 1.The invention relates to a device for resiliently supporting the coupling shaft a central buffer coupling on a rail vehicle according to the preamble of claim 1.

Eine derartige Vorrichtung ist z. B. aus der DE 27 01 984 A1 bekannt. Bei dieser Vorrichtung ist der Kupplungsschaff sowohl auf die Mittelpufferkupplung einwirkenden Zug- und Stoßkräfte in Richtung seiner Achse als auch in vertikaler Richtung gegenüber dem Schienenfahrzeug abgestützt. Die Vorrichtung weist weiterhin ein zur Mittelpufferkupplung hin offenes Gehäuse auf, dessen Achse in Fahrzeuglängsrichtung verläuft und in das der Kupplungsschaft mit einem radialen Abstand von der Innenumfangsfläche des Gehäuses koaxial hineinragt. Zwischen den Umfangsflächen des Kupplungsschaftes und den Innenumfangsflächen des Gehäuses sind vorgespannte, federnde Ringe aus elastischem Material vorgesehen. Die Ringe sind mit ihren Mittelebenen vertikal ausgerichtet und in gegenseitigem Abstand in Schaftlängsrichtung angeordnet. Die Ringe sind jeweils in den Zwischenräumen zwischen zwei benachbarten, umlaufenden Ringwülsten an der Umfangsfläche des Kupplungsschaftes sowie an der Innenumfangsfläche des Gehäuses gegenüber dem Kupplungsschaft und dem Gehäuse gehalten. Das Gehäuse und der Kupplungsschaft sowie die Ringe weisen einen länglichrunden Querschnitt auf, dessen größter Durchmesser in der horizontalen Mittelebene des Gehäuses bzw. des Kupplungsschafts liegt. Das Gehäuse ist in seiner horizontalen Mittelebene in zwei Halbschalen geteilt, die mittels lösbarer Befestigungsmittel miteinander verbunden sind. Die Ringe sind in der horizontalen Mittelebene des Gehäuses mindestens auf einer Seite aufgetrennt, wobei jeder Ring unmittelbar sowohl an der Umfangsfläche des Kupplungsschafts als auch an der Innenumfangsfläche des Gehäuses anliegt. Im unbelasteten Zustand der Vorrichtung, wenn also keine Zug- oder Stoßkräfte auf die Vorrichtung einwirken, fluchten die Ringwülste des Kupplungsschaftes mit den zugeordneten Ringwülsten des Gehäuses.Such a device is e.g. B. known from DE 27 01 984 A1. At this Device is the clutch cable acting on both the middle buffer clutch Tractive and impact forces in the direction of its axis as well as in the vertical direction supported against the rail vehicle. The device also has open housing towards the center buffer coupling, its axis in the vehicle longitudinal direction runs and into which the coupling shaft with a radial distance from the Inner circumferential surface of the housing protrudes coaxially. Between the peripheral surfaces the coupling shaft and the inner circumferential surfaces of the housing are prestressed, Resilient rings made of elastic material are provided. The rings are with their median planes are aligned vertically and at a mutual distance in Shaft longitudinal direction arranged. The rings are in the gaps between two adjacent, circumferential ring beads on the peripheral surface of the Coupling shaft and on the inner peripheral surface of the housing opposite the clutch shaft and the housing. The housing and the clutch shaft and the rings have an elongated round cross section, the largest diameter in the horizontal central plane of the housing or Clutch shaft lies. The housing is in two in its horizontal median plane Half shells divided, which are connected to each other by means of releasable fastening means are. The rings are at least in the horizontal central plane of the housing one side separated, with each ring immediately on both the peripheral surface of the coupling shaft as well as on the inner peripheral surface of the housing. In the unloaded state of the device, ie when there are no tensile or impact forces the device act, the ring beads of the coupling shaft are aligned with the assigned ring beads of the housing.

Bei dieser gattungsgemäßen Vorrichtung erweist es sich als schwierig, dem Federapparat eine gezielte, reproduzierbare Vorspannung nach Betrag und Richtung aufzuprägen.In this generic device, it turns out to be difficult, the spring device to apply a targeted, reproducible preload according to amount and direction.

Der Erfindung liegt daher die Aufgabe zugrunde, die Erzeugung und Einstellbarkeit der Vorspannung des Federapparats der vorstehend beschriebenen Vorrichtung zu verbessern.The invention is therefore based on the object, the generation and adjustability the bias of the spring apparatus of the device described above improve.

Diese Aufgabe wird durch die im Anspruch 1 gekennzeichnete Vorrichtung gelöst.This object is achieved by the device characterized in claim 1.

Zweckmäßige Weiterbildungen sind in den Unteransprüchen 2 bis 11 angegeben.Appropriate further developments are specified in subclaims 2 to 11.

Die Erfindung ist nachfolgend anhand der Prinzipskizzen zweier Ausführungsbeispiele näher erläutert.The invention is based on the schematic diagrams of two exemplary embodiments explained in more detail.

Es zeigen

Fig. 1
einen Längsschnitt einer erfindungsgemäßen Vorrichtung in unbelastetem Zustand,
Fig. 2
einen Schnitt nach der Linie I-I in Fig. 1,
Fig. 3
einen Längsschnitt eines zweiten Ausführungsbeispiels der Erfindung in unbelastetem Zustand und
Fig. 4
eine Draufsicht der Vorrichtung gemäß Fig. 3.
Show it
Fig. 1
2 shows a longitudinal section of a device according to the invention in the unloaded state,
Fig. 2
2 shows a section along line II in FIG. 1,
Fig. 3
a longitudinal section of a second embodiment of the invention in the unloaded state and
Fig. 4
3 shows a top view of the device according to FIG. 3.

Ein an einem nicht dargestellten Schienenfahrzeug befestigter Lagerbock 1 ist über Zapfen 2 mit einem Gehäuse 3 verbunden, das mit radialem Abstand koaxial einen eine Mittelpufferkupplung tragenden Kupplungsschaft 4 umschließt, wobei sowohl der Kupplungsschaft 4 als auch das Gehäuse 3 vorzugsweise einen runden Querschnitt oder einen Querschnitt mit einer langen und einer kurzen Achse aufweisen, dessen größerer Durchmesser in der horizontalen Mittelebene des Gehäuses bzw. des Kupplungsschafts angeordnet ist. Die erfinderische Lösung ist allerdings auch für gattungsähnliche Vorrichtungen mit beliebigem Querschnitt von Gehäuse 3 und Kupplungsschaff 4 verwendbar.A bracket 1 attached to a rail vehicle, not shown, is about Pin 2 connected to a housing 3 which coaxially with a radial distance encloses a central buffer coupling bearing shaft 4, both the coupling shaft 4 and the housing 3 preferably have a round cross section or have a cross section with a long and a short axis, its larger diameter in the horizontal central plane of the housing or the coupling shaft is arranged. However, the inventive solution is also for generic devices with any cross section of housing 3 and Coupling flange 4 can be used.

Sowohl der Kupplungsschaft 4 als auch der Innenumfang des Gehäuses 3 sind mit umlaufenden Ringwüsten 6 bzw. 5 versehen, die in unbelastetem Zustand der Vorrichtung miteinander fluchten. Die Enden 7 des Gehäuses 3 sind unter Bilden endseitiger Ringwülste 5 nach innen eingezogen, während die den Enden zugeordneten Schultern 8 des Kupplungsschafts 4 entsprechend ausgebildet sind. Der Kupplungsschaff 4 wird in dem vorbestimmten radialen Abstand zum Gehäuse 3 durch senkrecht zur Fahrzeuglängsrichtung angeordnete, zwischen den Enden 7 bzw. den Schultern 8 und den Ringwülsten 5 bzw. 6 eingesetzten Ringe 9 aus elastischem Material, z. B. Gummi oder Kunststoff, gehalten.Both the coupling shaft 4 and the inner circumference of the housing 3 are with circumferential ring desert 6 and 5 provided that in the unloaded state of the device cursed with each other. The ends 7 of the housing 3 are more end-forming Ring beads 5 retracted inwards, while those assigned to the ends Shoulders 8 of the coupling shaft 4 are designed accordingly. The clutch shaft 4 becomes vertical at a predetermined radial distance from the housing 3 arranged to the vehicle longitudinal direction, between the ends 7 and Shoulders 8 and the ring beads 5 and 6 inserted rings 9 made of elastic Material, e.g. B. rubber or plastic.

Um den Einbau der Ringe 9 zu erleichtern, besteht das Gehäuse 3 aus zwei gleichartig ausgebildeten, mittels Schrauben 10 lösbar miteinander zu verbindenden Halbschalen, und die Ringe 9 sind ein- oder beidseitig geschlitzt ausgebildet. Außerdem sind die Ringe 9 bei gewissem Übermaß über die Schrauben 10 mit Vorspannung senkrecht zur Kupplungsschafflängsrichtung einbaubar, wodurch ein fester Sitz der Ringe 9 zwischen Kupplungsschatt 4 und Gehäuse 3 herstellbar ist.In order to facilitate the installation of the rings 9, the housing 3 consists of two of the same type trained half-shells to be detachably connected by means of screws 10, and the rings 9 are slotted on one or both sides. Furthermore are the rings 9 with a certain excess over the screws 10 with preload Can be installed perpendicular to the longitudinal direction of the coupling shaft, which ensures that the Rings 9 between coupling shade 4 and housing 3 can be produced.

Der Kupplungsschaft 4 weist an seinem zur Gehäuseöffnung weisenden Abschnitt einen Bund 11 auf, gegen dessen eine Seite ein Vorspannring 12 mit seiner hinteren Seite und gegen dessen andere Seite der der Öffnung des Gehäuses nächstliegende Ring 9 mit seiner Vorderseite anliegt, wobei der Vorspannring 12 die Ringe 9 in unbelasteter Lage der Vorrichtung in Kupplungsschaftlängsrichtung vorspannt.The coupling shaft 4 has on its section facing the housing opening a collar 11, against one side of which a biasing ring 12 with its rear Side and against the other side of the closest to the opening of the housing Ring 9 rests with its front side, the biasing ring 12 the rings 9 biased in the unloaded position of the device in the longitudinal direction of the coupling shaft.

Der Vorspannring 9 ist in einer umlaufenden muldenförmigen Ausnehmung 13 des Kupplungsschafts 4 und einer gleichartigen Ausnehmung 13 des Gehäuses 3 eingelegt. Die Ausnehmungen 13 weisen Anlaufschrägen 14 auf, an den der Vorspannring 9 (Rollring) geführt ist. The biasing ring 9 is in a circumferential trough-shaped recess 13 of the Coupling shaft 4 and a similar recess 13 of the housing 3 inserted. The recesses 13 have run-on bevels 14 to which the preload ring 9 (rolling ring) is guided.

Die Anlaufschrägen 14 des Gehäuses 3 und/oder des Kupplungsschafts 4 sind in Richtung der Gehäuseöffnung flacher ausgebildet als die axial gegenüberliegen Anlaufschrägen 14, die maximal einen Winkel zum Kupplungsschaff von 90° aufweisen bzw. in den Bund 11 übergehen.The bevels 14 of the housing 3 and / or the coupling shaft 4 are in Direction of the housing opening is flatter than the axially opposite Run-up bevels 14 which have a maximum angle of 90 ° to the coupling flange or merge into federal government 11.

Die Vorspannung der Vorrichtung mittels des Vorspannrings 12 in Kupplungschaftlängsrichtung, d. h. in Druck- bzw. Stoßrichtung, kann wie beim Ausführungsbeispiel nach Fig. 1 und Fig. 2 durch das Verbinden der Teile des geteilten Gehäuses erfolgen, im Regelfall durch Schrauben 10.The preload of the device by means of the preload ring 12 in the longitudinal direction of the coupling shaft, d. H. in the direction of pressure or impact, as in the exemplary embodiment 1 and 2 by connecting the parts of the divided housing, usually by screws 10.

Eine genauere und feiner Einstellung der Vorspannung der Vorrichtung in Kupplungsschaftlängsrichtung, d. h. in Druck- bzw. Stoßrichtung, erlaubt eine Bauart gemäß dem zweiten Ausführungsbeispiel der Erfindung nach Fig. 3 und Fig. 4. In diesem Ausführungsbeispiel erfolgt die Erzeugung und Einstellung der Vorspannkraft in Längsrichtung des Kupplungsschaffs 4 über ein Druckstück 15, welches am Gehäuse mittels Schrauben 16 befestigt und abgestützt ist. Das Druckstück 15 kann zur Feineinstellung noch eine zusätzliche Verstelleinrichtung (nicht dargestellt) aufweisen.A more precise and fine adjustment of the preload of the device in the longitudinal direction of the coupling shaft, d. H. in the direction of pressure or impact, allows a design according to the second embodiment of the invention according to Fig. 3 and Fig. 4. In this Embodiment takes place in the generation and adjustment of the biasing force Longitudinal direction of the coupling shaft 4 via a pressure piece 15 which is on the housing is fastened and supported by means of screws 16. The pressure piece 15 can an additional adjustment device (not shown) for fine adjustment exhibit.

Für einen Einsatz für unterschiedliche Lastaufnahmen kann die Vorrichtung mit einem oder mehreren Ringen 9 ausgeführt werden.The device can be used with a or more rings 9 are executed.

Die Anzahl der Ringe 9 und der Ringwülste 5 und 6 ist entsprechend der Größe der aufzunehmenden Kräfte zu bestimmen, wobei eine höhere Anzahl von Ringen 9 eine höhere Lastaufnahme ermöglicht.The number of rings 9 and the ring beads 5 and 6 is according to the size of the forces to be absorbed, with a higher number of rings 9 a allows higher load absorption.

Wird der Kupplungsschaft 4 mit einer ZugWatt beaufschlagt, werden der Vorspannring 12 durch den Bund 11 und die Ringe 9 durch die Ringwüste 6 des Kupplungsschafts 4 mitgenommen. Da der Vorspannring 12 und die Ringe 9 andererseits vom Gehäuse 3 festgehalten werden, werden die Ringe 9, 12 über den gesamten Querschnitt elastisch verformt, wobei allerdings zunächst die Vorspannung im Vorspannring 12 und den Ringen 9 um den Betrag der Zugkraft abgebaut wird. If a tension watt is applied to the coupling shaft 4, the preload ring 12 through the collar 11 and the rings 9 through the ring desert 6 of the coupling shaft 4 taken away. Since the biasing ring 12 and the rings 9 on the other hand from Housing 3 are held, the rings 9, 12 over the entire cross section elastically deformed, but first the preload in the preload ring 12 and the rings 9 is reduced by the amount of tractive force.

Der Betrag der Vorspannkraft in Längsrichtung des Kupplungsschafts 4, d. h. der Kupplungsschaft 4 ist in Druck- bzw. Stoßrichtung vorgespannt, ist größer als die maximale, betrieblich auftretende Zugkraft am Kupplungsschaft 4 vorgesehen. Dadurch wird erreicht, daß die Vorrichtung auch bei Zug-Druck-Lastwechseln immer unter einer gewissen Vorspannung bleibt, was zu einem ruhigerem, erschütterungsfreierem Lauf von über diese Vorrichtungen gekuppelte Schienenfahrzeuge führt.The amount of the biasing force in the longitudinal direction of the clutch shaft 4, d. H. of the Coupling shaft 4 is biased in the direction of pressure or impact, is larger than that maximum, operationally occurring tensile force provided on the coupling shaft 4. Thereby is achieved that the device always with train-pressure load changes remains under a certain bias, resulting in a calmer, more vibration-free Run of rail vehicles coupled via these devices leads.

Wird der Kupplungsschaft 4 mit Stoßkräften beaufschlagt, werden die Ringe 9, die einerseits von Ringwüsten 6 des Kupplungsschafts 4 mitgenommen und andererseits von den Ringwülsten 5 des Gehäuses 3 festgehalten werden über den gesamten Querschnitt elastisch verformt, wobei eine Beanspruchung der Ringe 9 zunächst auf Schub stattfindet. Sei weiterem Ansteigen der Belastung geht die Schubbeanspruchung allmählich in eine Druckbeanspruchung über, da die Ringe 9 zunehmend zwischen jeweils zwei aufeinanderfolgenden Ringwülsten 5 und 6 zusammengedrückt werden, so daß die Ringe 9 schließlich an einer weiteren Verformung gehindert sind. Somit wird eine progressive Federcharakteristik erreicht. Der Vorspannring 12 bleibt im wesentlichen unbelastet, da die flacheren Anlaufschrägen 14 zur Seite der Gehäuseöffnung ihm ein Ausweichen ermöglicht.If the coupling shaft 4 is subjected to impact forces, the rings 9, on the one hand entrained by ring desert 6 of the coupling shaft 4 and on the other hand are held by the annular beads 5 of the housing 3 over the entire Cross-section elastically deformed, with the rings 9 initially being stressed takes place on thrust. If the load increases further, the shear stress goes gradually into a compressive stress as the rings 9 progressively compressed between two successive ring beads 5 and 6 are, so that the rings 9 finally at a further deformation are hindered. A progressive spring characteristic is thus achieved. The preload ring 12 remains essentially unloaded since the flatter run-up slopes 14 allows him to dodge to the side of the housing opening.

Der Kupplungsschatt 4 unterliegt durch sein Gewicht und dem Gewicht der Mittelpufferkupplung einem abwärts gerichtetem Moment. Zum einwandfreien Kuppeln hat sich der Kupplungsschaft allerdings immer annähernd in horizontaler Mittellage zu befinden. Durch den Vorspannring 12 ist eine vertikale Abstützung gegeben, die zusätzlich zur Abstützung durch die Ringe 9 wirkt. Wegen der größeren Stützbasis sind bei Bauarten mit Vorspannring 12 daher längere Kupplungsschäfte 4 bzw. höhere Gewichte ohne zusätzliche Vertikalabstützung abstützbar. The clutch shade 4 is subject to its weight and the weight of the central buffer clutch a downward moment. For perfect coupling However, the clutch shaft always approaches in the horizontal central position are located. A vertical support is provided by the preload ring 12, which additionally for support by the rings 9 acts. Because of the larger support base are longer coupling shafts 4 or higher for types with preload ring 12 Weights can be supported without additional vertical support.

BezugszeichenlisteReference list

11
LagerbockBearing block
22nd
Zapfen 2Pin 2
33rd
Gehäusecasing
44th
KupplungsschaftClutch shaft
55
RingwulstRing bead
66
RingwulstRing bead
77
EndeThe End
88th
Schultershoulder
99
Ringring
1010th
Schraubescrew
1111
BundFederation
1212th
VorspannringPreload ring
1313
AusnehmungRecess
1414
AnlaufschrägeRamp
1515
DruckstückPressure piece
1616
Schraubescrew

Claims (11)

Vorrichtung zum elastischen Abstützen des Kupplungsschafts einer Mittelpufferkupplung an einem Schienenfahrzeug, wobei der Kupplungsschaft sowohl in Richtung seiner Achse auf die Mittelpufferkupplung einwirkenden Zug- und/oder Stoßkräfte als auch in vertikaler Richtung gegenüber dem Schienenfahrzeug abgestützt ist, mit einem an dem Schienenfahrzeug angeordneten, zu der Mittelpufferkupplung hin offenen Gehäuse, in das der Kupplungsschaff mit einem radialen Abstand von der Innenumfangsfläche des Gehäuses koaxial hineinragt, und mit zwischen der Umfangsfläche des Gehäuses vorgespannten, federnden Ringe aus elastischem Werkstoff, die mit ihren Mittelebenen vertikal ausgerichtet und mit gegenseitigem Abstand in Kupplungsschaftlängsrichtung hintereinander angeordnet sind, wobei an der Innenumfangsfläche des Gehäuses in Kupplungsschaftlängsrichtung mit gegenseitigem Abstand hintereinander angeordnete Ringwülste gebildet sind und die Ringe jeweils in den Zwischenräumen zwischen zwei benachbarten Ringwülsten gegenüber dem Kupplungsschaft bzw. dem Gehäuse gehalten sind und das Gehäuse geteilt ausgebildet ist, wobei jeder Ring unmittelbar sowohl an der Umfangsfläche des Kupplungsschafts als auch an der Innenumfangsfläche des Gehäuses anliegt und wobei in mit Bezug auf Zug- und Stoßkräfte unbelastetem Zustand der Vorrichtung die Ringwülste des Kupplungsschafts mit den zugeordneten Ringwüsten des Gehäuses fluchten, dadurch gekennzeichnet, daß der Kupplungsschaft (4) einen Bund (11) aufweist, gegen den einerseits ein Vorspannring (12) mit seiner hinteren Seite und andererseits der zur Öffnung des Gehäuses (3) nächstliegende Ring (9) mit dessen Vorderseite anliegt, wobei der Vorspannring (12) die Ringe (9) in unbelastetem Zustand der Vorrichtung in Kupplungsschaftlängsrichtung vorspannt.Device for resiliently supporting the coupling shaft of a central buffer coupling on a rail vehicle, the coupling shaft being supported both in the direction of its axis by the tensile and / or impact forces acting on the central buffer coupling and in the vertical direction with respect to the rail vehicle, with one arranged on the rail vehicle Center buffer coupling housing open into which the coupling flange projects coaxially with a radial distance from the inner circumferential surface of the housing, and with resilient rings made of elastic material that are prestressed between the circumferential surface of the housing and aligned vertically with their central planes and arranged one behind the other in the longitudinal direction of the coupling shaft are, wherein on the inner circumferential surface of the housing in the longitudinal direction of the coupling shaft with annular spacings arranged one behind the other are formed and the rings each in the spaces between two adjacent ring beads are held opposite the coupling shaft or the housing and the housing is of split design, each ring bearing directly against both the circumferential surface of the coupling shaft and the inner circumferential surface of the housing, and in the unloaded state with respect to tensile and impact forces The device aligns the ring beads of the coupling shaft with the associated ring deserts of the housing, characterized in that the coupling shaft (4) has a collar (11) against which on the one hand a biasing ring (12) with its rear side and on the other hand that for opening the housing (3 ) The closest ring (9) rests with its front side, the prestressing ring (12) prestressing the rings (9) in the longitudinal direction of the coupling shaft when the device is unloaded. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Vorspannring (12) die Ringe (9) in Druck- bzw. Stoßrichtung vorspannt. Device according to claim 1, characterized in that the prestressing ring (12) prestresses the rings (9) in the direction of pressure or impact. Vorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß der Betrag der Vorspannkraft größer als die maximale, betrieblich auftretende Zugkraft vorgesehen ist.Device according to one of claims 1 or 2, characterized in that the amount of the pretensioning force is greater than the maximum operationally occurring tensile force. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Vorspannring (12) in einer umlaufenden, muldenförmigen Ausnehmung (13) des Kupplungsschafts (4) und einer gleichartigen Ausnehmung (13) des Gehäuses (3) eingelegt ist.Device according to one of claims 1 to 3, characterized in that the biasing ring (12) is inserted in a circumferential, trough-shaped recess (13) of the coupling shaft (4) and a similar recess (13) of the housing (3). Vorrichtung nach Anspruch 4, dadurch gekennzeichent, daß die Ausnehmungen (13) Anlaufschrägen (14) für den Vorspannring (12) aufweisen.Apparatus according to claim 4, characterized in that the recesses (13) have bevels (14) for the preload ring (12). Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Anlaufschräge (14) des Gehäuses (3) in Richtung der Gehäuseöffnung flacher geneigt ausgebildet ist als die gegenüberliegende Anlaufschräge (14).Apparatus according to claim 5, characterized in that the run-up slope (14) of the housing (3) is designed to be flatter in the direction of the housing opening than the opposite run-up slope (14). Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Vorspannung der Vorrichtung in Kupplungsschaftlängsrichtung durch das Verbinden der Teile des geteilten Gehäuses (3) erfolgt.Device according to one of claims 1 to 6, characterized in that the device is pretensioned in the longitudinal direction of the coupling shaft by connecting the parts of the divided housing (3). Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Vorspannung der Vorrichtung in Kupplungsschaftlängsrichtung durch ein Druckstück (15) erfolgt, das am Gehäuse (3) befestigt und abgestützt ist.Device according to one of claims 1 to 6, characterized in that the device is pretensioned in the longitudinal direction of the coupling shaft by a pressure piece (15) which is fastened and supported on the housing (3). Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß das Druckstück (15) eine Verstelleinrichtung zur Einstellung der Vorspannkräfte aufweist.Apparatus according to claim 6, characterized in that the pressure piece (15) has an adjusting device for adjusting the prestressing forces. Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß der Vorspannring (12) und/oder die Ringe (9) mindestens an einer Stelle aufgetrennt sind.Device according to one of claims 1 to 9, characterized in that the biasing ring (12) and / or the rings (9) are separated at least at one point. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß die Trennstelle(n) des Vorspannrings (12) und/oder der Ringe (9) in der horizontalen Ebene des Kupplungsschafts (4) angeordnet ist/sind.Device according to claim 10, characterized in that the separation point (s) of the prestressing ring (12) and / or the rings (9) is / are arranged in the horizontal plane of the coupling shaft (4).
EP99106435A 1998-03-30 1999-03-29 Device for resiliently supporting the coupling shaft of a central buffer coupling on a railway vehicle Expired - Lifetime EP0947410B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19814166A DE19814166A1 (en) 1998-03-30 1998-03-30 Device for resiliently supporting the coupling shaft of a central buffer coupling on a rail vehicle
DE19814166 1998-03-30

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EP0947410A1 true EP0947410A1 (en) 1999-10-06
EP0947410B1 EP0947410B1 (en) 2004-04-28

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US (1) US6315139B1 (en)
EP (1) EP0947410B1 (en)
KR (1) KR100547188B1 (en)
CN (1) CN1118398C (en)
AT (1) ATE265347T1 (en)
AU (1) AU753678B2 (en)
CA (1) CA2267725C (en)
DE (2) DE19814166A1 (en)
ES (1) ES2221258T3 (en)
IN (1) IN192935B (en)
PL (1) PL193368B1 (en)
WO (1) WO1999050121A1 (en)

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EP1719684A1 (en) * 2005-05-03 2006-11-08 Voith Turbo Scharfenberg GmbH & Co. KG Central buffer coupling for railway vehicles
EP1785330A1 (en) * 2005-11-15 2007-05-16 Voith Turbo Scharfenberg GmbH & Co. KG Coupling mounting with a joint structure
CN103496382A (en) * 2013-10-25 2014-01-08 齐齐哈尔轨道交通装备有限责任公司 Buffer of railway freight wagon and railway freight wagon
EP3205550A1 (en) * 2016-02-10 2017-08-16 Dellner Couplers AB Assembly with a bearing bracket and a coupler rod or a connection rod; car of a multi-car vehicle and method for transmitting pushing forces applied to a coupler rod or connection rod to a bearing bracket

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SE526663C2 (en) * 2004-02-04 2005-10-18 Dellner Couplers Ab Towing device for train coupler and deformation pipe for this
PL206239B1 (en) * 2005-05-13 2010-07-30 Axtone Spółka Akcyjnaaxtone Spółka Akcyjna Shock absorbing apparatus
ATE522421T1 (en) * 2009-04-23 2011-09-15 Voith Patent Gmbh LINKAGE FOR ARTICULATELY CONNECTING A COUPLING ROD TO A CAR BODY
ES2457591T3 (en) * 2011-03-16 2014-04-28 Bombardier Transportation Gmbh Railway vehicle unit with articulated traction mechanism
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EP3028919B1 (en) * 2014-12-04 2017-04-26 Hübner GmbH & Co. KG Joint of an articulated vehicle
US9701323B2 (en) 2015-04-06 2017-07-11 Bedloe Industries Llc Railcar coupler
DE102015108228A1 (en) * 2015-05-26 2016-12-01 Voith Patent Gmbh Device for connecting a coupling shaft with a car body of a track-guided vehicle
CN106809240B (en) * 2016-12-29 2017-12-12 比亚迪股份有限公司 Hitch and the railcar train with hitch
CH713677B1 (en) * 2017-04-06 2021-04-30 Faiveley Transp Schwab Ag Linkage device for a coupling of a rail vehicle.
CN107628058A (en) * 2017-09-11 2018-01-26 南京力源轨道交通装备有限公司 A kind of new forging hook tail frame
KR102121368B1 (en) * 2019-02-26 2020-06-10 삼영기계 (주) Rubber shock absorber for connecting railway car with sensor
KR102218954B1 (en) * 2019-07-18 2021-02-24 한국철도기술연구원 a shock absorbing device
KR102240114B1 (en) * 2019-10-11 2021-04-15 한국철도기술연구원 a coupler for a railway vehicle
KR102276202B1 (en) * 2019-11-21 2021-07-13 한국철도기술연구원 Obstruction removal apparatus for train
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EP4059801A4 (en) * 2021-01-18 2023-01-18 Korea Railroad Research Institute Shock absorbing device
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CN113682339B (en) * 2021-10-27 2021-12-21 南通市弘达轨道交通配件有限公司 Lubricated type ball pivot for track traffic

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Publication number Priority date Publication date Assignee Title
EP1719684A1 (en) * 2005-05-03 2006-11-08 Voith Turbo Scharfenberg GmbH & Co. KG Central buffer coupling for railway vehicles
WO2006117045A1 (en) * 2005-05-03 2006-11-09 Voith Turbo Scharfenberg Gmbh & Co. Kg Central buffer coupling for rail vehicles
US7552830B2 (en) 2005-05-03 2009-06-30 Voith Turbo Scharfenberg Gmbh & Co. Kg Central buffer coupling for rail-mounted vehicles
KR101184501B1 (en) * 2005-05-03 2012-09-19 보이트 투르보 샤르펜베르크 게엠베하 운트 코. 카게 Central Buffer Coupling for Rail Vehicle
EP1785330A1 (en) * 2005-11-15 2007-05-16 Voith Turbo Scharfenberg GmbH & Co. KG Coupling mounting with a joint structure
WO2007057072A1 (en) * 2005-11-15 2007-05-24 Voith Turbo Scharfenberg Gmbh & Co. Kg Coupling with joint arrangement
CN103496382A (en) * 2013-10-25 2014-01-08 齐齐哈尔轨道交通装备有限责任公司 Buffer of railway freight wagon and railway freight wagon
EP3205550A1 (en) * 2016-02-10 2017-08-16 Dellner Couplers AB Assembly with a bearing bracket and a coupler rod or a connection rod; car of a multi-car vehicle and method for transmitting pushing forces applied to a coupler rod or connection rod to a bearing bracket
US10807618B2 (en) 2016-02-10 2020-10-20 Dellner Couplers Ab Assembly with a bearing bracket and a coupler rod or a connection rod; car of a multi-car vehicle and method for transmitting pushing forces applied to a coupler rod or connection rod to a bearing bracket

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CA2267725A1 (en) 1999-09-30
DE59909285D1 (en) 2004-06-03
WO1999050121A1 (en) 1999-10-07
PL337069A1 (en) 2000-07-31
ES2221258T3 (en) 2004-12-16
PL193368B1 (en) 2007-02-28
CN1262651A (en) 2000-08-09
IN192935B (en) 2004-06-12
KR20010012927A (en) 2001-02-26
AU4130599A (en) 1999-10-18
KR100547188B1 (en) 2006-01-26
CN1118398C (en) 2003-08-20
AU753678B2 (en) 2002-10-24
ATE265347T1 (en) 2004-05-15
CA2267725C (en) 2007-08-21
EP0947410B1 (en) 2004-04-28
US6315139B1 (en) 2001-11-13
DE19814166A1 (en) 1999-10-07

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