EP3205551B2 - Dispositif d'attelage pour un vehicule sur rails - Google Patents

Dispositif d'attelage pour un vehicule sur rails Download PDF

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Publication number
EP3205551B2
EP3205551B2 EP16155426.6A EP16155426A EP3205551B2 EP 3205551 B2 EP3205551 B2 EP 3205551B2 EP 16155426 A EP16155426 A EP 16155426A EP 3205551 B2 EP3205551 B2 EP 3205551B2
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EP
European Patent Office
Prior art keywords
pipe section
coupling
support
pipe
coupling device
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.)
Active
Application number
EP16155426.6A
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German (de)
English (en)
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EP3205551A1 (fr
EP3205551B1 (fr
Inventor
Stefan FAAS
Thomas Eisele
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.)
Faiveley Transport Schwab AG
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Faiveley Transport Schwab AG
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Application filed by Faiveley Transport Schwab AG filed Critical Faiveley Transport Schwab AG
Priority to EP16155426.6A priority Critical patent/EP3205551B2/fr
Publication of EP3205551A1 publication Critical patent/EP3205551A1/fr
Publication of EP3205551B1 publication Critical patent/EP3205551B1/fr
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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

Definitions

  • the invention relates to a coupling device for a rail vehicle according to the preamble of claim 1.
  • Coupling devices of this type are known to be used for coupling rail vehicles on passenger or freight trains, such as one in the publication EP-A-2 322 403 is explained. They basically consist of two coupling halves, which are arranged on each rail vehicle and can be coupled to one another. They are each provided with a coupling head and a towing device for transmitting the tensile and impact forces to the vehicle body WO 2005/075272 A1 known.
  • a safety device provided in at least one coupling absorbs the impact energy by converting it into deformation energy within certain limits. This deformation energy is generated in such a way that a support of the coupling interacting with the pipe section has a larger diameter than the inner diameter of the pipe section and thereby expands it and deforms it accordingly when it is pressed into the pipe section in the event of an impact.
  • the object of the invention is to avoid these disadvantages and to create a coupling device of the type mentioned at the outset, the passive safety device of which is effective as evenly as possible over a long deformation path in the event of an impact.
  • the passive safety device of which is effective as evenly as possible over a long deformation path in the event of an impact.
  • the safety element of the coupling can work without cracks and jolts because no jamming and/or violent vibrations occur during the impact, which counteract the uniform advance of the support in the pipe section along the deformation path of the pipe section.
  • the invention provides that the piece of pipe is preferably primed with a base color and the support with a sliding ring is made of sliding material, preferably nodular cast iron (grey cast iron). In this way it is possible to produce the support body carrying the slide ring from the material most suitable for its function.
  • nodular cast iron grey cast iron
  • the piece of pipe is expediently made from a one-piece pipe which continuously has the inner diameter provided in its deformation area.
  • the invention also provides that the pipe end provided with the pipe enlargement protrudes into an annular gap between the coupling flange and the support and can be fastened there to the coupling flange on the inside or outside with a detachable connection, preferably a screw or bayonet connection. This enables the pipe section to be installed and removed directly from the fully assembled coupling half or one that is installed in the vehicle.
  • the other end of the pipe section facing away from the coupling flange is open. Since the proposed passive safety element can naturally only absorb a certain amount of energy, the open tube end allows the support interacting with the tube section to be pushed beyond the open tube end into the interior of the vehicle body in the event of a frontal collision, depending on the mass and speed of the impacting wagon or wagons becomes.
  • the coupling flange is provided with connecting means for holding the support, preferably in the form of shear bolts, which are released automatically at a defined impact force in order to release the support. This ensures that the support in the pipe extension receiving it remains intact in the event of slight backward or impact movements of the coupling and only becomes effective in an emergency when the defined impact force is reached, by penetrating the pipe section in order to deform it in an energy-absorbing manner.
  • the support In normal operation, when the shear bolt is connected, the support is expediently in contact with the piece of pipe, so that no operating forces are conducted via this shear bolt. In this way, on the one hand, the breakaway force can be adjusted independently of the shearing force of this connection means and, on the other hand, a setting between the support and the pipe section or a change in the release force over time is prevented.
  • FIG. 1 shows a coupling 1 for a rail vehicle whose coupling head (not shown) can be articulated on a bolt 2 of a coupling part 3 .
  • This coupling part 3 has a cylindrical projection 4 with a support 5 on the front side, which is guided in a coupling flange 6 designed in the shape of a star or the like and is fixed there by shear bolts 7 as connecting means.
  • the coupling flange 6 is in turn screwed tightly, for example, in the vehicle body of the rail vehicle, which is not shown in detail.
  • a piece of pipe 8 Arranged as an extension of the extension 4 is a piece of pipe 8 which, in the event of an impact, acts as a passive safety element with the support 5 by penetrating the piece of pipe and expanding it, with the piece of pipe absorbing the energy of the impact within certain limits as it deforms. In the normal operation shown, the support 5 rests against the expanded piece of pipe 8 . However, a distance could also be provided between them, so that the axial forces occurring during normal operation would not be transmitted to them, but via the shear bolt 7.
  • the pipe end 9 of the pipe section 8 protrudes into an annular intermediate space 10 between the support 5 and the coupling flange 6 and is detachably fastened to it there.
  • a releasable screw connection 11 is provided, which allows the installation and removal of the pipe section 8 in the completely assembled coupling, even after it has been installed in the vehicle body of the vehicle. This also makes it possible to subsequently install the pipe section 8 in vehicles that originally had no passive safety elements.
  • the screw connection 11 it can also be a bayonet or the like.
  • the piece of pipe 8 has an inside diameter that is the same or varies throughout its deformation area and is provided on the inside of the pipe end 9 with a diameter enlargement 12 that accommodates the support 5 .
  • this increase in diameter in the piece of pipe or in the case of the support is formed on the outside by a corresponding conical expansion.
  • the piece of pipe 8 is well positioned and centered on the support 5.
  • the pipe section 8 only has to be machined on the inside in the area of the diameter expansion. This greatly facilitates the processing of the piece of pipe, especially since its pipe length can be one meter or more in practice.
  • a separate flange 14' is attached to the pipe piece 8 at the other pipe end 14, which is dimensioned with its inner and/or outer diameter such that the force acting against the impact force via the support 5 is opposite to this flange 14' the piece of pipe 8 is variable.
  • this flange 14' is reduced in terms of its inside diameter or increased in terms of its outside diameter compared to the piece of pipe 8. The force counteracting the impact force is thus increased in this flange 14'.
  • This dimensioning can be varied depending on the application and more than one such flange 14' could also be provided.
  • the purpose of fixing the extension 4 in the coupling flange 6 with the shear bolts 7 is to prevent the support 5 from becoming unstable in the area of the diameter expansion 12 as a result of vibrations or slight recoils during normal operation.
  • the shear bolts 7 are sheared off when a certain impact force is reached, and the support 5 is released so that it can penetrate unhindered into the deformation area of the pipe piece 8 and widen it.
  • the invention provides for the pipe section 8 to be expanded by the support 5 in the area of a plastic deformation, with the materials of the pipe and the slide ring 13 being matched to one another in this way are that in the event of an impact, the support 5 slides along against the inside of the pipe section 8 with an approximately uniform frictional force.
  • the pipe section 8 is expediently coated on the inside, advantageously primed with a base color, while the support 5 is provided with the slide ring 13 made of a sliding material, preferably nodular cast iron (grey cast iron).
  • This choice of material ensures that, in the event of an impact, the deformation of the pipe section 8 takes place largely without jerks within certain impact forces and without an increase in force or force peaks over the entire deformation range of the pipe.
  • the pipe section 8 is open at its pipe end 14 remote from the coupling flange 6 and opens there into a likewise open interior of the vehicle body, not shown, into which the support 5 is pushed in the event of a frontal collision, depending on the mass and/or speed of the impacting vehicle.
  • the passive safety device described can be installed either in just one or in both halves of the clutch.
  • the piece of pipe could be provided with an enlarged diameter as an annular recess.
  • the piece of pipe with the pipe end 14 could also be made from a one-piece pipe.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Body Structure For Vehicles (AREA)

Claims (11)

  1. Dispositif d'attelage pour un véhicule sur rails, avec au moins un attelage (1) avec une bride d'attelage (6) pouvant être fixée au niveau du véhicule sur rails, avec une pièce tubulaire (8) et avec une partie d'attelage (3) maintenue dans la bride d'attelage (6) pour recevoir une tête d'attelage, dotée d'un boulon (2), dans lequel la tête d'attelage peut être articulée sur le boulon, dans lequel la partie d'attelage (3) est pourvue côté frontal d'un appendice cylindrique (4) avec un support (5) et dans lequel la pièce tubulaire (8) est pourvue côté intérieur d'un élargissement de diamètre (12) recevant ledit support (5), dans lequel ledit support (5) de la partie d'attelage (3) est guidé de manière à pouvoir coulisser avec absorption d'énergie dans la pièce tubulaire (8) lors d'un impact avec une force d'impact de sorte qu'un dispositif de sécurité passif est formé, caractérisé en ce que
    l'extrémité de tube (9) de la pièce tubulaire (8) peut être fixée par une liaison (11) amovible au niveau de la bride d'attelage (6), dans lequel l'extrémité de tube (9), pourvue de l'élargissement de diamètre (12), de la pièce tubulaire (8) dépasse à l'intérieur d'une fente annulaire (11) entre la bride d'attelage (6) et le support (5) et y est fixée au niveau de la bride d'attelage par une liaison (11) amovible d'une liaison par vissage ou à baïonnette, dans lequel la partie d'attelage (3) est maintenue avec le support (5) dans la bride d'attelage (6) par des moyens de liaison réalisés de préférence en tant que boulons de cisaillement (7), lesquels se desserrent de manière autonome en présence d'une force d'impact définie.
  2. Dispositif d'attelage selon la revendication 1, caractérisé en ce que
    les matériaux de la pièce tubulaire (8) et du support (5) guidé dans celle-ci sont adaptés les uns aux autres de telle sorte que le support (5) pénétrant dans la pièce tubulaire lors de l'impact provoque un élargissement de la pièce tubulaire dans la zone d'une déformation plastique, dans lequel le support glisse longitudinalement contre le côté intérieur de la pièce tubulaire avec une force de friction approximativement uniforme.
  3. Dispositif d'attelage selon la revendication 2, caractérisé en ce que
    la pièce tubulaire (8) est revêtue côté intérieur, de préférence d'une couche d'apprêt, et le support (5) est pourvu d'une bague de glissement (13) composée d'un matériau glissant, de préférence de fonte nodulaire (fonte grise).
  4. Dispositif d'attelage selon la revendication 2 ou 3, caractérisé en ce que
    la pièce tubulaire (8) est fabriquée à partir d'un tuyau d'un seul tenant, qui présente de manière continue le diamètre intérieur identique dans sa zone de déformation.
  5. Dispositif d'attelage selon l'une quelconque des revendications précédentes 2 à 4, caractérisé en ce que la pièce tubulaire (8) est pourvue au niveau de l'extrémité de tube (9) côté intérieur d'un élargissement de diamètre (12), dans lequel le support (5) est reçu.
  6. Dispositif d'attelage selon l'une quelconque des revendications 2 à 5, caractérisé en ce que
    ledit élargissement de diamètre (12) est formé dans la pièce tubulaire ou, pour ledit support (5), à l'extérieur par un élargissement conique correspondant.
  7. Dispositif d'attelage selon l'une quelconque des revendications précédentes 2 à 6, caractérisé en ce que l'autre extrémité de tube (14) de la pièce tubulaire (8) est ouverte.
  8. Dispositif d'attelage selon l'une quelconque des revendications précédentes 1 à 7, caractérisé en ce que est fixée au niveau de l'autre extrémité de tube (14) de la pièce tubulaire (8) au moins une bride (14') séparée, laquelle est dimensionnée par son diamètre intérieur et/ou extérieur de telle manière que la force contrecarrant la force d'impact peut varier par rapport à la pièce tubulaire (8) pour ladite bride (14').
  9. Dispositif d'attelage selon la revendication 8, caractérisé en ce que
    la bride (14') peut être montée au niveau de la pièce tubulaire (8) avec une liaison amovible.
  10. Véhicule sur rails avec au moins un dispositif d'attelage selon l'une quelconque des revendications 1 à 9, avec une caisse de véhicule, caractérisé en ce que
    le dispositif d'attelage peut être monté auprès de la caisse de véhicule.
  11. Véhicule sur rails selon la revendication 10, caractérisé en ce que
    l'autre extrémité de tube (14) de la pièce tubulaire (8) du dispositif d'attelage est ouverte.
EP16155426.6A 2016-02-12 2016-02-12 Dispositif d'attelage pour un vehicule sur rails Active EP3205551B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16155426.6A EP3205551B2 (fr) 2016-02-12 2016-02-12 Dispositif d'attelage pour un vehicule sur rails

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16155426.6A EP3205551B2 (fr) 2016-02-12 2016-02-12 Dispositif d'attelage pour un vehicule sur rails

Publications (3)

Publication Number Publication Date
EP3205551A1 EP3205551A1 (fr) 2017-08-16
EP3205551B1 EP3205551B1 (fr) 2020-05-27
EP3205551B2 true EP3205551B2 (fr) 2023-06-07

Family

ID=55357900

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16155426.6A Active EP3205551B2 (fr) 2016-02-12 2016-02-12 Dispositif d'attelage pour un vehicule sur rails

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH713677B1 (de) 2017-04-06 2021-04-30 Faiveley Transp Schwab Ag Anlenkungseinrichtung für eine Kupplung eines Schienenfahrzeugs.
SE544403C2 (en) 2020-09-30 2022-05-10 Rxd Res Exchange Development Ab Energy dissipation device
CH721604A2 (de) 2024-02-21 2025-08-29 Faiveley Transp Schwab Ag Einrichtung mit einer Zug- und Stossvorrichtung eines Kupplungssystems für ein Schienenfahrzeug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005023618A1 (fr) † 2003-09-10 2005-03-17 Dellner Couplers Ab Protection contre les collisions dans un dispositif de couplage pour vehicules montes sur rails, comprenant un dispositif de couplage permettant de relier en permanence deux vehicules montes sur rails
EP1719684A1 (fr) † 2005-05-03 2006-11-08 Voith Turbo Scharfenberg GmbH & Co. KG Attelage central pour véhicules ferroviaires
EP1990251A1 (fr) † 2007-05-08 2008-11-12 Voith Patent GmbH Dispositif d'absorption d'énergie pour véhicules à éléments multiples

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE526663C2 (sv) * 2004-02-04 2005-10-18 Dellner Couplers Ab Draginrättning för tågkoppel samt deformationsrör härför
DE502005002232D1 (de) * 2005-08-10 2008-01-24 Voith Turbo Scharfenberg Gmbh Energieverzehrvorrichtung mit erhöhter Ansprechkraft
DE502006003277D1 (de) * 2006-09-28 2009-05-07 Voith Turbo Scharfenberg Gmbh Kupplungsstange zum Übertragen von Zug- und Stoßkräften
ATE422450T1 (de) * 2006-11-22 2009-02-15 Voith Patent Gmbh Kupplungsanlenkung für einen wagenkasten eines mehrgliedrigen fahrzeuges
US8051995B2 (en) * 2007-12-17 2011-11-08 Voith Patent Gmbh Energy dissipation device for a car body of a multi-member rail vehicle
CH702215A2 (de) 2009-11-13 2011-05-13 Schwab Verkehrstechnik Ag Automatische Kupplung für Schienenfahrzeuge mit Seitenpuffern.
GB2517970B (en) * 2013-09-06 2016-02-10 T A Savery & Co Ltd A buffer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005023618A1 (fr) † 2003-09-10 2005-03-17 Dellner Couplers Ab Protection contre les collisions dans un dispositif de couplage pour vehicules montes sur rails, comprenant un dispositif de couplage permettant de relier en permanence deux vehicules montes sur rails
EP1719684A1 (fr) † 2005-05-03 2006-11-08 Voith Turbo Scharfenberg GmbH & Co. KG Attelage central pour véhicules ferroviaires
EP1990251A1 (fr) † 2007-05-08 2008-11-12 Voith Patent GmbH Dispositif d'absorption d'énergie pour véhicules à éléments multiples

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Publication number Publication date
EP3205551A1 (fr) 2017-08-16
EP3205551B1 (fr) 2020-05-27

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