EP0532442B1 - Device for railway vehicles against climbing and for energy absorption - Google Patents

Device for railway vehicles against climbing and for energy absorption Download PDF

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Publication number
EP0532442B1
EP0532442B1 EP92440101A EP92440101A EP0532442B1 EP 0532442 B1 EP0532442 B1 EP 0532442B1 EP 92440101 A EP92440101 A EP 92440101A EP 92440101 A EP92440101 A EP 92440101A EP 0532442 B1 EP0532442 B1 EP 0532442B1
Authority
EP
European Patent Office
Prior art keywords
buffers
supports
support
vehicles
female
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92440101A
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German (de)
French (fr)
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EP0532442A1 (en
Inventor
Gérard Bich
Paul Preiss
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.)
De Dietrich et Cie SA
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De Dietrich et Cie SA
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Publication of EP0532442A1 publication Critical patent/EP0532442A1/en
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Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
    • B61D15/06—Buffer cars; Arrangements or construction of railway vehicles for protecting them in case of collisions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G11/00—Buffers
    • B61G11/16—Buffers absorbing shocks by permanent deformation of buffer element

Definitions

  • the present invention relates to the field of the construction of railway vehicles fitted with shock buffers, in particular safety devices intended to avoid overlapping, that is to say making it possible to limit the vertical movements of a vehicle relative to the other in the event of an accident, and relates to a device for overlapping and energy absorption for such railway vehicles.
  • an energy absorption device for railway vehicles is known, essentially constituted by a pad mounted to slide so as to be able to sink elastically into a support, which is itself fixed. at the end of the chassis with the possibility of sliding, after breaking of its fixing bolts, in order to retract inside the chassis.
  • Such a device does not, however, prevent an overlap of two vehicles, because it does not provide any means of maintaining said vehicles in alignment by removing their latitude of lateral and / or vertical movement.
  • the present invention aims to overcome these drawbacks.
  • a device for anti-overlapping and energy absorption for rail vehicles comprising two shock buffers intended to cooperate with each other and integrated in a sliding manner in two supports, characterized in that the supports are a male support fixed at the end of the chassis on one of the vehicles and a female support fixed at the end of the other vehicle, the male support penetrating into the female support when the shock pads sink into the respective supports during a shock.
  • the anti-overlap and energy absorption device for rail vehicles comprising two shock buffers 5, 6 intended to cooperate with each other and integrated in a sliding manner in two supports 1, 2, is characterized in that the supports 1, 2 are a male support 1 fixed at the end of the chassis on one of the vehicles 3 and a female support 2 fixed in end of the other vehicle 4, the male support 1 penetrating into the female support 2 when the shock buffers 5, 6 sink into the respective supports 1, 2 during an impact.
  • the device according to the invention is in the normal circulation position, the buffers being free.
  • the device directly integrates the shock buffers 5 and 6 in a sliding manner in the corresponding male 1 and female 2 supports.
  • the buffers 5 and 6 are secured to the supports 1 and 2 by means of fusible fasteners 7, such as shear rivets, pressure screws 8 being mounted opposite one another in order to eliminate the mounting clearance and to prevent the fasteners 7 from working in traction.
  • the supports 1 and 2 for sliding guide of the shock buffers 5 and 6 contain, behind said buffers 5 and 6, energy absorbers 9.
  • the fasteners 7 shear and the buffers 5 and 6 sink against the energy absorbers 9 allowing a stroke C 2 of each buffer such that the two vehicles 3 and 4 are in contact.
  • the height of the tray 10 of the pad 5 guided in the male support 1 is reduced compared to that of the tray 11 of the pad 6 guided in the female support 2, so that the size of the latter can be reduced.
  • the female support 2 has a conical opening, the opening angle of which is such that it allows maximum vertical displacements d, with simple contact at the level of the plates 10 and 11 during the total compression of the buffers 5 and 6 over their respective stroke length C 1.
  • the opening angle of which is such that it allows maximum vertical displacements d, with simple contact at the level of the plates 10 and 11 during the total compression of the buffers 5 and 6 over their respective stroke length C 1.
  • the device according to the invention allows direct recovery by the supports 1 and 2 and not by the buffers 5 and 6 of the vertical forces in the event of a sudden approach of two vehicles.
  • all standards in traffic law relating to the coupling, the gangway, the Berne rectangle, the flange and the half coupling, etc., as well as the passage of the coupler under the buffers may be respected.
  • the device according to the invention also provides, in the event of an impact, an energy absorption function until the structures of the two vehicles are in contact.
  • the device according to the invention can be adapted, subject to minor modifications, to existing equipment.
  • the invention it is possible to produce a device for overlapping ensuring, in addition, in the event of shocks an energy absorption function until the structures of the two vehicles are in contact.

Abstract

The present invention relates to an anti-climb and energy-absorption device for rail vehicles. The device is characterised in that it consists essentially of a male support (1) fastened to one of the vehicles (3) at the end of the chassis and of a female support (2) fastened to the end of the other vehicle (4). The invention can be used more particularly in the sector of railway stock construction. <IMAGE>

Description

La présente invention concerne le domaine de la construction de véhicules ferroviaires munis de tampons de chocs, en particulier les dispositifs de sécurité destinés à éviter un chevauchement, c'est-à-dire permettant de limiter les déplacements verticaux d'un véhicule par rapport à l'autre en cas d'accident, et a pour objet un dispositif d'antichevauchement et d'absorption d'énergie pour de tels véhicules ferroviaires.The present invention relates to the field of the construction of railway vehicles fitted with shock buffers, in particular safety devices intended to avoid overlapping, that is to say making it possible to limit the vertical movements of a vehicle relative to the other in the event of an accident, and relates to a device for overlapping and energy absorption for such railway vehicles.

Actuellement, les dispositifs existants de ce type, montés sur les véhicules ferroviaires, sont généralement constitués par des peignes fixés au niveau du châssis à l'extrémité de chaque véhicule. Lors d'un accident, les déplacements verticaux d'un véhicule par rapport à l'autre se limitent au jeu existant entre les dents des peignes, ce jeu étant nécessaire afin d'éviter le contact en circulation normale.Currently, existing devices of this type, mounted on railway vehicles, generally consist of combs fixed at the chassis at the end of each vehicle. During an accident, the vertical movements of one vehicle with respect to the other are limited to the play existing between the teeth of the combs, this play being necessary in order to avoid contact in normal traffic.

Ces dispositifs existants présentent, cependant, une masse importante et nécessitent des adaptations importantes de la structure.These existing devices have, however, a large mass and require significant adaptations of the structure.

Par ailleurs, on connaît, par FR-A-1 404 401, un dispositif d'absorption d'énergie pour véhicules ferroviaires, essentiellement constitué par un tampon monté coulissant pour pouvoir s'enfoncer élastiquement dans un support, qui est lui-même fixé en extrémité de châssis avec possibilité de coulissement, après rupture de ses boulons de fixation, afin de s'escamoter à l'intérieur du châssis.Furthermore, from FR-A-1 404 401, an energy absorption device for railway vehicles is known, essentially constituted by a pad mounted to slide so as to be able to sink elastically into a support, which is itself fixed. at the end of the chassis with the possibility of sliding, after breaking of its fixing bolts, in order to retract inside the chassis.

Un tel dispositif ne permet, cependant, pas d'empêcher un chevauchement de deux véhicules, du fait qu'il ne prévoit aucun moyen de maintien desdits véhicules dans leur alignement par suppression de leur latitude de déplacement latéral et/ou vertical.Such a device does not, however, prevent an overlap of two vehicles, because it does not provide any means of maintaining said vehicles in alignment by removing their latitude of lateral and / or vertical movement.

La présente invention a pour but de pallier ces inconvénients.The present invention aims to overcome these drawbacks.

Elle a, en effet, pour objet un dispositif d'antichevauchement et d'absorption d'énergie pour véhicules ferroviaires comportant deux tampons de chocs destinés à coopérer entre eux et intégrés de manière coulissante dans deux supports, caractérisé en ce que les supports sont un support mâle fixé en extrémité de châssis sur l'un des véhicules et un support femelle fixé en extrémité de l'autre véhicule, le support mâle pénétrant dans le support femelle quand les tampons de chocs s'enfoncent dans les supports respectifs lors d'un choc.It has, in effect, a device for anti-overlapping and energy absorption for rail vehicles comprising two shock buffers intended to cooperate with each other and integrated in a sliding manner in two supports, characterized in that the supports are a male support fixed at the end of the chassis on one of the vehicles and a female support fixed at the end of the other vehicle, the male support penetrating into the female support when the shock pads sink into the respective supports during a shock.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence au dessin schématique annexé, dont la figure unique est une vue en élévation latérale et en coupe du dispositif conforme à l'invention monté entre deux véhicules.The invention will be better understood from the description below, which relates to a preferred embodiment, given by way of nonlimiting example, and explained with reference to the attached schematic drawing, the single figure of which is a view. in side elevation and in section of the device according to the invention mounted between two vehicles.

Conformément à l'invention, et comme le montrent, plus particulièrement, à titre d'exemple, la figure du dessin annexé, le dispositif d'antichevauchement et d'absorption d'énergie pour véhicules ferroviaires comportant deux tampons de chocs 5, 6 destinés à coopérer entre eux et intégrés de manière coulissante dans deux supports 1, 2, est caractérisé en ce que les supports 1, 2 sont un support mâle 1 fixé en extrémité de châssis sur l'un des véhicules 3 et un support femelle 2 fixé en extrémité de l'autre véhicule 4, le support mâle 1 pénétrant dans le support femelle 2 quand les tampons de chocs 5, 6 s'enfoncent dans les supports respectifs 1, 2 lors d'un choc.In accordance with the invention, and as shown more particularly, by way of example, the figure of the appended drawing, the anti-overlap and energy absorption device for rail vehicles comprising two shock buffers 5, 6 intended to cooperate with each other and integrated in a sliding manner in two supports 1, 2, is characterized in that the supports 1, 2 are a male support 1 fixed at the end of the chassis on one of the vehicles 3 and a female support 2 fixed in end of the other vehicle 4, the male support 1 penetrating into the female support 2 when the shock buffers 5, 6 sink into the respective supports 1, 2 during an impact.

Dans le mode de réalisation représenté au dessin annexé, le dispositif conforme à l'invention est en position de circulation normale, les tampons étant libres.In the embodiment shown in the accompanying drawing, the device according to the invention is in the normal circulation position, the buffers being free.

Selon une caractéristique preferentielle de l'invention, le dispositif intègre directement les tampons de chocs 5 et 6 de manière coulissante dans les supports correspondants mâle 1 et femelle 2. A cet effet, les tampons 5 et 6 sont solidarisés avec les supports 1 et 2 au moyen de fixations fusibles 7, telles que des rivets de cisaillement, des vis de pression 8 étant montées en vis-à-vis afin d'éliminer le jeu de montage et d'éviter que les fixations 7 travaillent en traction.According to a preferred characteristic of the invention, the device directly integrates the shock buffers 5 and 6 in a sliding manner in the corresponding male 1 and female 2 supports. For this purpose, the buffers 5 and 6 are secured to the supports 1 and 2 by means of fusible fasteners 7, such as shear rivets, pressure screws 8 being mounted opposite one another in order to eliminate the mounting clearance and to prevent the fasteners 7 from working in traction.

Conformément à une autre caractéristique preferentielle de l'invention, les supports 1 et 2 de guidage coulissant des tampons de chocs 5 et 6 renferment, derrière lesdits tampons 5 et 6, des absorbeurs d'énergie 9. Ainsi, lors d'un choc, les fixations 7 se cisaillent et les tampons 5 et 6 s'enfoncent contre les absorbeurs d'énergie 9 en permettant une course C 2 de chaque tampon telle que les deux véhicules 3 et 4 soient en contact.In accordance with another preferential characteristic of the invention, the supports 1 and 2 for sliding guide of the shock buffers 5 and 6 contain, behind said buffers 5 and 6, energy absorbers 9. Thus, during a shock, the fasteners 7 shear and the buffers 5 and 6 sink against the energy absorbers 9 allowing a stroke C 2 of each buffer such that the two vehicles 3 and 4 are in contact.

Selon une autre caractéristique preferentielle de l'invention, la hauteur du plateau 10 du tampon 5 guidé dans le support mâle 1 est réduite par rapport à celle du plateau 11 du tampon 6 guidé dans le support femelle 2, de sorte que l'encombrement de ce dernier peut être réduit.According to another preferential characteristic of the invention, the height of the tray 10 of the pad 5 guided in the male support 1 is reduced compared to that of the tray 11 of the pad 6 guided in the female support 2, so that the size of the latter can be reduced.

Conformément à une autre caractéristique preferentielle de l'invention, le support femelle 2 présente une ouverture conique, dont l'angle d'ouverture est tel qu'il permet des déplacements verticaux maximum d, avec simple contact au niveau des plateaux 10 et 11 pendant la compression totale des tampons 5 et 6 sur leur longueur de course respective C 1. Ainsi, en condition de circulation dégradée, seul un contact au niveau des plateaux 10 et 11 sera possible jusqu'à la compression totale des tampons au bout de leur course C 1. Au-delà de cette course, le dispositif conforme à l'invention aura tendance à recentrer automatiquement les deux véhicules.According to another preferential characteristic of the invention, the female support 2 has a conical opening, the opening angle of which is such that it allows maximum vertical displacements d, with simple contact at the level of the plates 10 and 11 during the total compression of the buffers 5 and 6 over their respective stroke length C 1. Thus, in degraded traffic conditions, only contact at the level of the plates 10 and 11 will be possible until the buffers are fully compressed at the end of their stroke C 1. Beyond this travel, the device according to the invention will tend to automatically center the two vehicles.

De manière connue, un contrôle de la détérioration éventuelle des fixations dues à des chocs subis en circulation peut être effectué grâce à un repère de déplacement connu.In known manner, a check of the possible deterioration of the fastenings due to shocks undergone in circulation can be carried out by means of a known displacement reference.

Le dispositif conforme à l'invention permet une reprise directe par les supports 1 et 2 et non par les tampons 5 et 6 des efforts verticaux en cas de rapprochement brutal de deux véhicules. En outre, toutes les normes au droit de l'intercirculation concernant l'attelage, la passerelle, le rectangle de Berne, le bourrelet et le demi-accouplement, etc..., ainsi que le passage de l'atteleur sous les tampons peuvent être respectées.The device according to the invention allows direct recovery by the supports 1 and 2 and not by the buffers 5 and 6 of the vertical forces in the event of a sudden approach of two vehicles. In addition, all standards in traffic law relating to the coupling, the gangway, the Berne rectangle, the flange and the half coupling, etc., as well as the passage of the coupler under the buffers may be respected.

En outre, le dispositif conforme à l'invention assure également, en cas de choc, une fonction d'absorption d'énergie jusqu'à ce que les structures des deux véhicules soient en contact.In addition, the device according to the invention also provides, in the event of an impact, an energy absorption function until the structures of the two vehicles are in contact.

Enfin, le dispositif conforme à l'invention peut être adapté, sous réserve de modifications mineures, au matériel existant.Finally, the device according to the invention can be adapted, subject to minor modifications, to existing equipment.

Grâce à l'invention, il est possible de réaliser un dispositif d'antichevauchement assurant, en outre, en cas de chocs une fonction d'absorption d'énergie jusqu'à que les structures des deux véhicules soient en contact.Thanks to the invention, it is possible to produce a device for overlapping ensuring, in addition, in the event of shocks an energy absorption function until the structures of the two vehicles are in contact.

Claims (5)

  1. Anti-overlap and energy-absorbing device for railway vehicles comprising two buffers (5, 6) which are intended to co-operate with one another and are integrated in a sliding manner in two supports (1, 2), characterised in that the supports (1, 2) are a male support (1) fixed at the end of the chassis on one of the vehicles (3) and a female support (2) fixed at the end of the other vehicle (4), the male support (1) penetrating into the female support (2) when the buffers (5, 6) sink into the respective supports (1, 2) in the event of a shock.
  2. Device according to claim 1, characterised in that the buffers (5 and 6) are connected to the supports (1 and 2) by fusible fixing means (11) such as shearing rivets, locking screws (8) being mounted opposite one another.
  3. Device according to any one of claims 1 and 2, characterised in that the supports (1 and 2) for the sliding guidance of the buffers (5 and 6) contain energy absorbers (9) behind said buffers (5 and 6).
  4. Device according to any one of claims 1 to 3, characterised in that the height of the plate (10) of the buffer (5) guided in the male support (1) is reduced relative to that of the plate (11) of the buffer (6) guided in the female support (2).
  5. Device according to any one of claims 1 to 4, characterised in that the female support (2) has a conical opening of which the opening angle is such that it allows maximum vertical displacements (d) with mere contact in the region of the plates (10 and 11) during the total compression of the buffers (5 and 6) over their respective length of travel (C 1).
EP92440101A 1991-09-12 1992-09-02 Device for railway vehicles against climbing and for energy absorption Expired - Lifetime EP0532442B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9111407 1991-09-12
FR9111407A FR2681300B1 (en) 1991-09-12 1991-09-12 ANTI-OVERLAPPING AND ENERGY ABSORPTION DEVICE FOR RAIL VEHICLES.

Publications (2)

Publication Number Publication Date
EP0532442A1 EP0532442A1 (en) 1993-03-17
EP0532442B1 true EP0532442B1 (en) 1995-08-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP92440101A Expired - Lifetime EP0532442B1 (en) 1991-09-12 1992-09-02 Device for railway vehicles against climbing and for energy absorption

Country Status (6)

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EP (1) EP0532442B1 (en)
AT (1) ATE126485T1 (en)
DE (1) DE69204130T2 (en)
DK (1) DK0532442T3 (en)
ES (1) ES2078716T3 (en)
FR (1) FR2681300B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100436219C (en) * 2003-06-13 2008-11-26 西门子运输系统有限公司 Anti-climbing device for railway carriages

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19635221C1 (en) * 1996-08-30 1998-04-02 Krauss Maffei Verkehrstechnik Impact protection device for rail vehicles
FR2775240B1 (en) * 1998-02-25 2000-12-22 Nantes Ecole Centrale IMPROVEMENT IN MOUNTING BUFFER BUFFERS FOR RAIL VEHICLES
DE102006050028B4 (en) * 2006-10-24 2019-05-02 Est Eisenbahn-Systemtechnik Gmbh Device on the vehicle front of rail vehicles
EP2033868B1 (en) 2007-09-07 2012-04-25 Ateliers d'Orval Anti-climber for railway wagons, in particular tankers
DE102008048247B3 (en) * 2008-09-16 2009-09-10 Vossloh Locomotives Gmbh Anti-climbing device for buffers at locomotives for absorption of impacts as accident buffer, has carrier element adjustably arranged as delimitation element above buffers at locomotive framework over guides
DE102008048244B8 (en) * 2008-09-16 2010-02-11 Vossloh Locomotives Gmbh Climbing protection for buffers on locomotives
EP2808222B1 (en) * 2013-05-29 2018-11-14 Waggonbau Graaff GmbH Buffer override protection for rail vehicles
IT201700017003A1 (en) * 2017-02-15 2018-08-15 Bigaran S R L Railway bumper
CN106956686A (en) * 2017-04-27 2017-07-18 西南交通大学 A kind of rail vehicle is from centering anti-creep anti-deflection device
PL3456602T3 (en) * 2017-09-13 2022-03-21 Speedinnov Collision energy absorbing system concentrated around the vhs power car and first vehicle
JP7075290B2 (en) * 2018-06-08 2022-05-25 川崎車両株式会社 Impact transmission structure to the impact absorber of railway vehicles and railway vehicles
WO2022069052A1 (en) * 2020-10-01 2022-04-07 Falk Schneider Energy consumption-reduced override protection

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1404401A (en) * 1961-05-17 1965-07-02 Dietrich & Cie De Friction pad for railway equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100436219C (en) * 2003-06-13 2008-11-26 西门子运输系统有限公司 Anti-climbing device for railway carriages

Also Published As

Publication number Publication date
EP0532442A1 (en) 1993-03-17
DE69204130T2 (en) 1996-04-04
FR2681300B1 (en) 1993-12-10
DE69204130D1 (en) 1995-09-21
ATE126485T1 (en) 1995-09-15
ES2078716T3 (en) 1995-12-16
FR2681300A1 (en) 1993-03-19
DK0532442T3 (en) 1995-12-18

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