EP0888946B1 - Railway vehicle with at least one interchangeable end module - Google Patents

Railway vehicle with at least one interchangeable end module Download PDF

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Publication number
EP0888946B1
EP0888946B1 EP98440143A EP98440143A EP0888946B1 EP 0888946 B1 EP0888946 B1 EP 0888946B1 EP 98440143 A EP98440143 A EP 98440143A EP 98440143 A EP98440143 A EP 98440143A EP 0888946 B1 EP0888946 B1 EP 0888946B1
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EP
European Patent Office
Prior art keywords
energy absorbing
module
absorbing members
vehicle
rail vehicle
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EP98440143A
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German (de)
French (fr)
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EP0888946A1 (en
Inventor
Alain Letzelter
Paul Preiss
Jean-Philippe Schäfer
Willy Schneider
Bernard Tritz
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Alstom DDF SA
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Alstom DDF SA
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/06—End walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • B61C17/04—Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof
    • 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

Definitions

  • the present invention relates to the field of building vehicles, in particular railways with high passive safety, in particular of railcars, and relates to such a vehicle comprising at least one module interchangeable end.
  • Such an end module is to constitute either the station driving and receiving the necessary arrangements for this function as well as other accessories, such as obstacle keeper and the like, a interconnection module between two ends of successive vehicles.
  • the part aerodynamic and aesthetic consists, for example, of a shaped skin made of synthetic material fixed on a supporting structure.
  • End structures with high passive safety are generally formed by a complex framework capable of withstanding the stresses of testing and to transmit them uniformly on the current part. These structures require carry out the assembly of interior fittings and equipment by a a succession of individual operations which considerably burden the costs of manufacturing.
  • French patent applications FR-A-2 698 840 and n ° 96 05203 propose the creation of dynamic plastic deformation zones, formed of fixed or interchangeable energy absorbing elements. at the extremities of the vehicle, allowing maximum safety for the driver and The passengers.
  • the object of the present invention is to overcome these drawbacks by proposing a railway vehicle comprising at least one end module interchangeable to significantly improve the manufacturing cycle and maintenance of such vehicles by better accessibility for mounting interior fittings and equipment, with reduced lead times corresponding interventions and therefore their cost.
  • the vehicle rail 1 which is provided with at least one end module 2 in the form of a driving position, is characterized in that said end module 2 is a pre-assembled, interchangeable and independent structural module and is fixed removable way on the vehicle 1.
  • This end module 2 is advantageously produced in the form of a complete steel sub-assembly including, for example, all equipment line and control 3 and one or more electrical supply cabinets and control, as well as a propulsion device 4 and an obstacle remover 5 mounted under the chassis.
  • the driving and control equipment 3, as well as the electrical supply and control cabinet (s) are mounted in the end module 2 after bolting it to the vehicle 1, which is advantageously made of aluminum.
  • the structure of the steel end module 2 is characterized by the simplicity of the forms and the elimination of the front uprights on either side of the front bay, which allows easy installation of line and control 3, as well as other interior fittings in one single operation from above said module 2.
  • Attaching the end module 2 to the corresponding part of the vehicle 1 is made by bolting and the various accessories it contains are connected to the corresponding circuits and mechanisms of the rail vehicle 1 by quick plug-in connections. So it is possible, following a shock important or within the framework of a renovation of equipment including a modification aesthetics of the end parts, simply remove the end module 2 of the corresponding part of vehicle 1, after disconnection of the various electrical and mechanical connections at the link, then bolt the new end module 2 on the corresponding part of vehicle 1 and make the connections for it.
  • the end module 2 can advantageously be equipped with a set 6 of energy absorbing elements interchangeable with different mechanical resistance properties resulting in progressive deformation phases from the corresponding end of the vehicle, this set 6 of energy absorbing elements being supported by said module 2.
  • module 2 is provided with a skin 7 forming an envelope aesthetic end and ensuring insulation and sealing of the latter.
  • the set 6 of interchangeable energy absorbing elements different mechanical strength properties resulting in phases of progressive deformation from the corresponding end of the vehicle is advantageously constituted by an automatic coupling 8 retractable by deformation and by at least two first lateral energy absorbing elements 9 arranged on either side of the automatic coupling 8.
  • the latter is mounted in a receiving and guiding part provided in the module infrastructure end 2, by means of fusible bolts and allows, during an impact. a first phase of energy absorption.
  • this set 6 of energy absorbing elements can be completed with a second series of upper energy absorbing elements 10 mounted above the first lateral energy absorbing elements 9.
  • Such a constitution of the front of the end module 2 allows dynamic plastic deformation according to progressive deformation phases from the corresponding end of the vehicle.
  • the structure of the vehicle cabin 1 is designed to allow a frontal impact without deformation of the area where the passengers are located.
  • the first elements lateral energy absorbers 9, arranged on either side of the hitch automatic 8 can each be provided with anti-overlapping devices 9 '. intended to be embedded in the obstacle or, for example, to cooperate by shape with corresponding devices 9 'of the end of energy absorbing elements side 9 of another vehicle, in order to avoid mutual vertical displacement between both ends of vehicles.
  • the first lateral energy absorbing elements 9, as well as the second upper energy absorbing elements 10 are in the form deformable beams bolted at their end on the front of the module end 2, these deformable beams each consisting of parts mechanically welded metal or deformation composite material predetermined.
  • Deformable structures of this type are known in particular from FR-A-2 694255.
  • first lateral energy absorbing elements 9 and second upper energy absorbing elements 10 allow, by plastic deformation irreversible, a third phase of shock absorption, in which. said energy absorbing elements gradually deform, so irreversible, while preserving the integrity of the structure of the end module 2 (figure 4).
  • lateral energy absorbing elements 9 arranged symmetrically with respect to the longitudinal axis of the vehicle 1, allows, during a offset shock, that is, for example, from a collision with an obstacle only partially engaged on the track, a deformation of the only element 9 concerned, of so the risk of possible derailment is greatly reduced.
  • this structure allows the integration of security means, such as shock absorbing elements. It is thus, in particular, possible to easily assemble and disassemble said structure and obtain easy access to the interior of vehicle 1, in particular for making the room arrangements passengers before final assembly, through the wide opening existing at the end module 2 before its installation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Automation & Control Theory (AREA)
  • Body Structure For Vehicles (AREA)
  • Air Bags (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Vibration Dampers (AREA)
  • Resistance Heating (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

The steel end frame (2), bolting on to the vehicle (1), accepts a completely equipped, prefabricated driver's cab (3), quick-release connections for all mechanical and electrical controls and circuits being provided at the vehicle interface. A propulsion unit (4) is mounted under the cab. The frame front also supports impact-absorbing buffers designed to undergo plastic deformation in two stages (9,10), an underslung cow-catcher (5) and an automatic coupling (8) with its own impact absorber (11). The whole extension is enclosed in a removable fairing (7), flush-fitting to the main vehicle body.

Description

La présente invention concerne le domaine de la construction de véhicules, en particulier ferroviaires à forte sécurité passive, notamment d'autorails, et a pour objet un tel véhicule comportant au moins un module d'extrémité interchangeable.The present invention relates to the field of building vehicles, in particular railways with high passive safety, in particular of railcars, and relates to such a vehicle comprising at least one module interchangeable end.

Un tel module d'extrémité a pour fonction de constituer, soit le poste de conduite du véhicule et de recevoir les aménagements nécessaires à cette fonction ainsi que d'autres accessoires, tels que chasse-obstacle et autres, soit un module d'intercirculation entre deux extrémités de véhicules successifs.The function of such an end module is to constitute either the station driving and receiving the necessary arrangements for this function as well as other accessories, such as obstacle keeper and the like, a interconnection module between two ends of successive vehicles.

Les véhicules ferroviaires existant actuellement sont généralement équipés à leurs parties d'extrémité, ou au moins à l'une de ces parties, d'une structure formant, soit cabine de pilotage et étant partie intégrante de la partie courante dudit véhicule constituant la salle voyageurs ou partie courante, soit un module d'intercirculation. Cette structure d'extrémité comporte des moyens destinés à supporter les sollicitations que subit le véhicule en conditions normales de circulation et lors de chocs à faible vitesse, dits chocs "d'accostage".Currently existing rail vehicles are generally fitted at their end parts, or at least one of these parts, with a structure forming, either cockpit and being an integral part of the part current of said vehicle constituting the passenger room or current part, either a intercirculation module. This end structure comprises means intended to withstand the stresses to which the vehicle is subjected under normal conditions traffic and during low speed shocks, called "docking" shocks.

Ces structures d'extrémité nécessitent des infrastructures complexes et, notamment, le passage d'une forme tubulaire simple de la salle voyageurs ou partie courante à des sections se rétrécissant pour des questions de passage au gabarit, d'aérodynamique et d'esthétique, entraínant la mise en place, en extrémité de la partie courante, d'éléments spécifiquement conformés. La partie aérodynamique et esthétique est constituée, par exemple, par une peau conformée en matière synthétique fixée sur une structure porteuse.These end structures require complex infrastructure and, in particular, the passage of a simple tubular form from the passenger room or running part to narrowing sections for transition issues to size, aerodynamics and aesthetics, causing the establishment, at the end of the current part, of specifically shaped elements. The part aerodynamic and aesthetic consists, for example, of a shaped skin made of synthetic material fixed on a supporting structure.

Les structures d'extrémité à forte sécurité passive sont généralement constituées par une ossature complexe capable de résister aux efforts d'épreuve et de les transmettre uniformément sur la partie courante. Ces structures imposent de réaliser le montage des aménagements et des équipements intérieurs par une succession d'opérations individuelles grevant considérablement les coûts de fabrication.End structures with high passive safety are generally formed by a complex framework capable of withstanding the stresses of testing and to transmit them uniformly on the current part. These structures require carry out the assembly of interior fittings and equipment by a a succession of individual operations which considerably burden the costs of manufacturing.

En outre, en cas de chocs importants, notamment à vitesse relativement élevée, la structure d'extrémité subit des dégâts nécessitant généralement la mise à la réforme dudit véhicule ou d'importantes et donc coûteuses réparations, du fait de la continuité entre ladite structure et la partie courante ou salle voyageurs, ce qui entraíne une perte financière importante. In addition, in the event of major shocks, especially at speed relatively high, the end structure suffers damage requiring generally the reform of said vehicle or important and therefore costly repairs, due to the continuity between said structure and the part current or passenger room, which results in a significant financial loss.

Dans le cas de tels chocs, il se pose, de plus, un problème de protection des passagers et du conducteur, qui sont exposés à un risque important de dommages corporels.In the case of such shocks, there is also a problem of protection of passengers and the driver, who are exposed to a significant risk personal injury.

A cet effet, les demandes de brevets français FR-A-2 698 840 et n° 96 05203 proposent la création de zones de déformation plastique dynamique, formées d'éléments absorbeurs d'énergie fixes ou interchangeables. aux extrémités du véhicule, permettant l'obtention d'une sécurité maximale pour le conducteur et les passagers.To this end, French patent applications FR-A-2 698 840 and n ° 96 05203 propose the creation of dynamic plastic deformation zones, formed of fixed or interchangeable energy absorbing elements. at the extremities of the vehicle, allowing maximum safety for the driver and The passengers.

Toutefois, les dégâts occasionnés au véhicule en cas de choc violent nécessitent généralement la mise à la réforme dudit véhicule ou des réparations importantes.However, the damage caused to the vehicle in the event of a violent impact generally require the reforming of said vehicle or repairs important.

Enfin, une modification éventuelle de l'aspect esthétique du véhicule au niveau de l'extrémité nécessitera également une mise à la réforme de celui-ci ou des travaux de réparation importants.Finally, a possible change in the aesthetic appearance of the vehicle at the end will also require reforming it or major repair work.

On connaít également, par EP-A-0 533 582 et DE-A-43 43 800, des structures de véhicules ferroviaires, dont au moins une extrémité est adaptée à la réception d'une cabine de conduite, ou analogue. A cet effet, la cabine de conduite est fixée sur une plate-forme d'extrémité du châssis, qui assure simultanément la protection contre les chocs et le montage de la partie motrice.We also know, from EP-A-0 533 582 and DE-A-43 43 800, railway vehicle structures, at least one end of which is adapted to the reception of a driving cab, or the like. For this purpose, the driver's cabin is fixed on an end platform of the chassis, which simultaneously ensures the protection against shocks and mounting of the driving part.

Un tel montage de cabine ou analogue ne permet, cependant, pas d'assurer une protection de la cabine proprement dite contre les chocs. Par ailleurs, en cas de choc avec dégradation ou destruction partielle de la partie cabine et éventuellement de la partie motrice, seule une réparation d'ensemble est possible.Such a cabin mounting or the like does not, however, allow to protect the cabin itself against impact. Otherwise, in the event of an impact with degradation or partial destruction of the cabin part and possibly from the driving part, only an overall repair is possible.

Enfin, les différentes structures de véhicules connues ne permettent pas un accès aisé à la salle voyageurs, pour les aménagements intérieurs de cette dernière, du fait de la constitution même des extrémités.Finally, the various known vehicle structures do not allow not easy access to the passenger room, for the interior fittings of this last, because of the very constitution of the ends.

La présente invention a pour but de pallier ces inconvénients en proposant un véhicule ferroviaire comportant au moins un module d'extrémité interchangeable permettant d'améliorer sensiblement le cycle de fabrication et la maintenance de tels véhicules par une meilleure accessibilité pour le montage des aménagements et équipements intérieurs, avec une réduction des délais d'interventions correspondants et donc de leur coût.The object of the present invention is to overcome these drawbacks by proposing a railway vehicle comprising at least one end module interchangeable to significantly improve the manufacturing cycle and maintenance of such vehicles by better accessibility for mounting interior fittings and equipment, with reduced lead times corresponding interventions and therefore their cost.

En outre, suite à un choc ou dans le cadre d'une rénovation de matériel, un remplacement de ladite structure ne nécessite pas la réforme de tout le véhicule ou en limite les réparations dans une large mesure. In addition, following a shock or as part of a renovation of material, a replacement of said structure does not require the reform of all vehicle or limit repairs to a large extent.

Ce but est atteint grâce aux caractéristiques de la Revendication 1.This object is achieved by the features of Claim 1.

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 aux dessins schématiques annexés, dans lesquels :

  • la figure 1 est une vue éclatée en perspective d'une extrémité de véhicule ferroviaire équipé d'un module conforme à l'invention ;
  • la figure 2 est une vue en perspective représentant le module d'extrémité du véhicule suivant la figure 1, et
  • les figures 3 et 4 sont des vues analogues à celle de la figure 2, représentant les différentes phases de déformation du module lors d'un choc.
    • The invention will be better understood from the following description, which relates to a preferred embodiment, given by way of nonlimiting example, and explained with reference to the appended schematic drawings, in which:
  • Figure 1 is an exploded perspective view of an end of a railway vehicle equipped with a module according to the invention;
  • FIG. 2 is a perspective view showing the end module of the vehicle according to FIG. 1, and
  • Figures 3 and 4 are views similar to that of Figure 2, showing the different phases of deformation of the module during an impact.

    • Conformément à l'invention, et comme le montre plus particulièrement, à titre d'exemple, la figure 1 des dessins annexés, le véhicule ferroviaire 1, qui est muni d'au moins un module d'extrémité 2 sous forme d'un poste de conduite, est caractérisé en ce que ledit module d'extrémité 2 est un module structurel pré-assemblé, interchangeable et indépendant et est fixé de manière démontable sur le véhicule 1.In accordance with the invention, and as shown more particularly, by way of example, Figure 1 of the accompanying drawings, the vehicle rail 1, which is provided with at least one end module 2 in the form of a driving position, is characterized in that said end module 2 is a pre-assembled, interchangeable and independent structural module and is fixed removable way on the vehicle 1.

    Dans le mode de réalisation représenté aux dessins annexés et dans la description ci-après, le module d'extrémité 2 est sous forme d'un poste de conduite. Cependant, l'invention s'étend également à des modules d'extrémités sous forme de modules d'intercirculation entre deux extrémités de véhicules successifs.In the embodiment shown in the accompanying drawings and in the description below, the end module 2 is in the form of a conduct. However, the invention also extends to end modules in the form of interconnection modules between two ends of vehicles successive.

    Ce module d'extrémité 2 est avantageusement réalisé sous forme d'un sous-ensemble complet en acier intégrant, par exemple, tous les équipements de conduite et de commande 3 et une ou plusieurs armoires électriques d'alimentation et de commande, ainsi qu'un dispositif de propulsion 4 et un chasse-obstacle 5 monté sous le châssis. Les équipements de conduite et de commande 3, ainsi que la ou les armoires électriques d'alimentation et de commande sont montés dans le module d'extrémité 2 après montage par boulonnage de ce dernier sur le véhicule 1, qui est avantageusement constitué en aluminium.This end module 2 is advantageously produced in the form of a complete steel sub-assembly including, for example, all equipment line and control 3 and one or more electrical supply cabinets and control, as well as a propulsion device 4 and an obstacle remover 5 mounted under the chassis. The driving and control equipment 3, as well as the electrical supply and control cabinet (s) are mounted in the end module 2 after bolting it to the vehicle 1, which is advantageously made of aluminum.

    La structure du module d'extrémité 2 en acier se caractérise par la simplicité des formes et la suppression des montants frontaux de part et d'autre de la baie frontale, ce qui permet une mise en place aisée des équipements de conduite et de commande 3, ainsi que des autres aménagements intérieurs en une seule opération par le dessus dudit module 2. The structure of the steel end module 2 is characterized by the simplicity of the forms and the elimination of the front uprights on either side of the front bay, which allows easy installation of line and control 3, as well as other interior fittings in one single operation from above said module 2.

    La fixation du module d'extrémité 2 sur la partie correspondante du véhicule 1 est réalisée par boulonnage et les différents accessoires qu'il renferme sont reliés aux circuits et mécanismes correspondants du véhicule ferroviaire 1 par des connexions rapides à embrochage. Ainsi, il est possible, suite à un choc important ou dans le cadre d'une rénovation de matériel incluant une modification esthétique des parties d'extrémité, de simplement déposer le module d'extrémité 2 de la partie correspondante du véhicule 1, après déconnection des différents branchements électriques et mécaniques au niveau de la liaison, puis de boulonner le nouveau module d'extrémité 2 sur la partie correspondante du véhicule 1 et de réaliser les branchements de celui-ci .Attaching the end module 2 to the corresponding part of the vehicle 1 is made by bolting and the various accessories it contains are connected to the corresponding circuits and mechanisms of the rail vehicle 1 by quick plug-in connections. So it is possible, following a shock important or within the framework of a renovation of equipment including a modification aesthetics of the end parts, simply remove the end module 2 of the corresponding part of vehicle 1, after disconnection of the various electrical and mechanical connections at the link, then bolt the new end module 2 on the corresponding part of vehicle 1 and make the connections for it.

    Ce mode de réalisation du module d'extrémité 2 permet. comme le montre également la figure 1 des dessins annexés, un montage facile d'ensembles pré-assemblés, notamment du poste de conduite et des aménagements de la salle voyageurs, respectivement directement dans le module 2 et, à travers les ouvertures d'extrémité du véhicule 1, dans ladite salle voyageurs.This embodiment of the end module 2 allows. as the also shows Figure 1 of the accompanying drawings, easy assembly of sets pre-assembled, in particular the driving position and room fittings travelers, respectively directly in module 2 and, through vehicle end openings 1, in said passenger room.

    Selon une caractéristique de l'invention, le module d'extrémité 2 peut avantageusement être équipé d'un ensemble 6 d'éléments absorbeurs d'énergie interchangeables à propriétés de résistance mécanique différentes entraínant des phases de déformation progressive à partir de l'extrémité correspondante du véhicule, cet ensemble 6 d'éléments absorbeurs d'énergie étant supporté par ledit module 2. En outre, le module 2 est pourvu d'une peau 7 réalisant une enveloppe esthétique de l'extrémité et assurant l'isolation et l'étanchéité de cette dernière.According to a characteristic of the invention, the end module 2 can advantageously be equipped with a set 6 of energy absorbing elements interchangeable with different mechanical resistance properties resulting in progressive deformation phases from the corresponding end of the vehicle, this set 6 of energy absorbing elements being supported by said module 2. In addition, module 2 is provided with a skin 7 forming an envelope aesthetic end and ensuring insulation and sealing of the latter.

    L'ensemble 6 d'éléments absorbeurs d'énergie interchangeables à propriétés de résistance mécanique différentes entraínant des phases de déformation progressive à partir de l'extrémité correspondante du véhicule est avantageusement constitué par un attelage automatique 8 escamotable par déformation et par au moins deux premiers éléments absorbeurs d'énergie latéraux 9 disposés de part et d'autre de l'attelage automatique 8. Ce dernier est monté dans une partie de réception et de guidage prévue dans l'infrastructure du module d'extrémité 2, par l'intermédiaire de boulons fusibles et permet, lors d'un choc. une première phase d'absorption d'énergie.The set 6 of interchangeable energy absorbing elements different mechanical strength properties resulting in phases of progressive deformation from the corresponding end of the vehicle is advantageously constituted by an automatic coupling 8 retractable by deformation and by at least two first lateral energy absorbing elements 9 arranged on either side of the automatic coupling 8. The latter is mounted in a receiving and guiding part provided in the module infrastructure end 2, by means of fusible bolts and allows, during an impact. a first phase of energy absorption.

    Conformément à une autre caractéristique de l'invention, cet ensemble 6 d'éléments absorbeurs d'énergie peut être complété par une deuxième série d'éléments absorbeurs d'énergie supérieurs 10 montés au-dessus des premiers éléments absorbeurs d'énergie latéraux 9.In accordance with another characteristic of the invention, this set 6 of energy absorbing elements can be completed with a second series of upper energy absorbing elements 10 mounted above the first lateral energy absorbing elements 9.

    Une telle constitution de l'avant du module d'extrémité 2 permet une déformation plastique dynamique suivant des phases de déformation progressive à partir de l'extrémité correspondante du véhicule. La structure de la cabine du véhicule 1, est conçue de façon à autoriser un choc frontal sans déformation de la zone où se trouvent les passagers.Such a constitution of the front of the end module 2 allows dynamic plastic deformation according to progressive deformation phases from the corresponding end of the vehicle. The structure of the vehicle cabin 1 is designed to allow a frontal impact without deformation of the area where the passengers are located.

    L'attelage automatique 8 est constitué par une tête d'attelage et par un corps reliant cette tête à un support d'attelage lié rigidement au châssis du module 2 par l'intermédiaire de boulons fusibles. Un élément absorbeur d'énergie 11 est monté derrière l'attelage automatique 8 dans le châssis du module d'extrémité 2 et est préférentiellement constitué par une pièce métallique ou en matière composite.The automatic coupling 8 consists of a coupling head and a body connecting this head to a coupling support rigidly connected to the chassis of the module 2 via fusible bolts. An energy absorbing element 11 is mounted behind the automatic coupling 8 in the chassis of the end module 2 and is preferably constituted by a metal part or a composite material.

    Ainsi, dans le cas d'un choc d'une intensité supérieure à la limite de résistance de rupture des boulons fusibles, ces derniers sont détruits et l'attelage automatique 8 est poussé vers l'intérieur du châssis du module d'extrémité 2, écrasant l'élément absorbeur d'énergie 11 dans ledit châssis. A la fin de cette phase d'absorption d'énergie, l'attelage automatique 8 est entièrement logé dans le châssis, l'élément absorbeur d'énergie 11 étant totalement détruit et l'extrémité avant de l'attelage automatique 8 étant sensiblement dans le même plan vertical que la face avant des premiers éléments absorbeurs d'énergie latéraux 9 et des deuxièmes éléments absorbeurs d'énergie supérieurs 10 (figure 3). Cette deuxième phase d'absorption d'énergie, qui correspond à une situation d'accident à faible vitesse ou de choc contre un obstacle léger, permet une remise en état rapide par simples remplacement de l'élément absorbeur d'énergie disposé dans le châssis et mise en place de nouveaux boulons fusibles, sans intervention sur un élément de carrosserie du véhicule 1.Thus, in the event of a shock of an intensity greater than the breaking strength limit of the fuse bolts, the latter are destroyed and the automatic coupling 8 is pushed towards the interior of the chassis of the end module 2, crushing the energy absorbing element 11 in said chassis. At the end of this energy absorption phase, the automatic coupling 8 is entirely housed in the chassis, the energy absorbing element 11 being completely destroyed and the front end of the automatic coupling 8 being substantially in the same vertical plane as the front face of the first lateral energy absorbing elements 9 and of the second upper energy absorbing elements 10 (FIG. 3). This second phase of energy absorption, which corresponds to a situation of low speed accident or impact against a light obstacle, allows rapid repair by simple replacement of the energy absorbing element placed in the chassis and installation of new fuse bolts, without intervention on a body element of the vehicle 1.

    Selon une autre caractéristique de l'invention, les premiers éléments absorbeurs d'énergie latéraux 9, disposés de part et d'autre de l'attelage automatique 8, peuvent être munis, chacun, de dispositifs d'antichevauchement 9'. destinés à s'encastrer dans l'obstacle ou, par exemple, à coopérer par forme avec des dispositifs 9' correspondants de l'extrémité d'éléments absorbeurs d'énergie latéraux 9 d'un autre véhicule, afin d'éviter un déplacement vertical mutuel entre les deux extrémités de véhicules.According to another characteristic of the invention, the first elements lateral energy absorbers 9, arranged on either side of the hitch automatic 8, can each be provided with anti-overlapping devices 9 '. intended to be embedded in the obstacle or, for example, to cooperate by shape with corresponding devices 9 'of the end of energy absorbing elements side 9 of another vehicle, in order to avoid mutual vertical displacement between both ends of vehicles.

    Les premiers éléments absorbeurs d'énergie latéraux 9, ainsi que les deuxièmes éléments absorbeurs d'énergie supérieurs 10 se présentent sous forme de poutres déformables boulonnées à leur extrémité sur l'avant du module d'extrémité 2, ces poutres déformables étant constituées chacune par des pièces métalliques mécanosoudées ou en matériau composite à déformation prédéterminée. Des structures déformables de ce type sont notamment connues par FR-A-2 694255. The first lateral energy absorbing elements 9, as well as the second upper energy absorbing elements 10 are in the form deformable beams bolted at their end on the front of the module end 2, these deformable beams each consisting of parts mechanically welded metal or deformation composite material predetermined. Deformable structures of this type are known in particular from FR-A-2 694255.

    Ces premiers éléments absorbeurs d'énergie latéraux 9 et deuxièmes éléments absorbeurs d'énergie supérieurs 10 permettent, par déformation plastique irréversible, une troisième phase d'absorption de chocs, dans laquelle. lesdits éléments absorbeurs d'énergie se déforment progressivement, de manière irréversible, tout en préservant l'intégrité de la structure du module d'extrémité 2 (figure 4).These first lateral energy absorbing elements 9 and second upper energy absorbing elements 10 allow, by plastic deformation irreversible, a third phase of shock absorption, in which. said energy absorbing elements gradually deform, so irreversible, while preserving the integrity of the structure of the end module 2 (figure 4).

    La prévision d'éléments absorbeurs d'énergie latéraux 9 disposés symétriquement par rapport à l'axe longitudinal du véhicule 1, permet, lors d'un choc décalé, c'est-à-dire, par exemple, d'une collision avec un obstacle seulement engagé partiellement sur la voie, une déformation du seul élément 9 concerné, de sorte que le risque de déraillement éventuel est considérablement réduit.The provision of lateral energy absorbing elements 9 arranged symmetrically with respect to the longitudinal axis of the vehicle 1, allows, during a offset shock, that is, for example, from a collision with an obstacle only partially engaged on the track, a deformation of the only element 9 concerned, of so the risk of possible derailment is greatly reduced.

    Grâce à l'invention, il est possible de réaliser un véhicule ferroviaire comportant à au moins une extrémité une structure interchangeable en cas de choc ou de modification d'aspect du véhicule et permettant, par une meilleure protection contre les chocs, d'améliorer de manière significative la sécurité passive.Thanks to the invention, it is possible to produce a railway vehicle comprising at least one end an interchangeable structure in the event of impact or modification of the appearance of the vehicle and allowing, by better impact protection, significantly improve safety passive.

    En outre, cette structure permet l'intégration de moyens de sécurité, tels que des éléments absorbeurs de chocs. Il est ainsi, notamment, possible de monter et de démonter facilement ladite structure et d'obtenir un accès aisé à l'intérieur du véhicule 1, en particulier pour réaliser les aménagements de la salle voyageurs avant assemblage final, par la large ouverture existante au niveau du module d'extrémité 2 avant sa mise en place.In addition, this structure allows the integration of security means, such as shock absorbing elements. It is thus, in particular, possible to easily assemble and disassemble said structure and obtain easy access to the interior of vehicle 1, in particular for making the room arrangements passengers before final assembly, through the wide opening existing at the end module 2 before its installation.

    Enfin, il résulte de ce qui précède que la maintenance de véhicules ferroviaires ainsi réalisés est considérablement facilitée.Finally, it follows from the above that vehicle maintenance railroads thus realized is considerably facilitated.

    Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins annexés. Des modifications restent possibles. notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiment described and shown in the accompanying drawings. Modifications are still possible. in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without however leaving the field of protection of the invention.

    Claims (8)

    1. A rail vehicle (1) provided with an end module (2) in the form of a driver' s cab or a transfer module between two successive vehicle ends, said module being provided with a skin (7) providing an aesthetic envelope for, isolating and sealing the end, said end module (2) being a pre-assembled, interchangeable and independent structural module, which vehicle is characterized in that said structural module includes a frame removably fixed in longitudinal alignment with the structure of the vehicle (1).
    2. A rail vehicle according to claim 1 characterized in that the end module (2) takes the form of a complete steel subassembly that can incorporate all driving and control equipment (3), one or more power supply and control electrical equipment cabinets, and a propulsion unit (4) mounted under the frame.
    3. A rail vehicle according to either claim 1 or claim 2, characterized in that the end module (2) is bolted to the corresponding part of the vehicle (1) and the various accessories that it contains are connected to the corresponding circuits and mechanisms of the rail vehicle (1) by plug-in connectors.
    4. A rail vehicle according to any of claims 1 to 3, characterized in that the end module (2) is equipped with a set (6) of interchangeable energy absorbing members with different mechanical strength properties producing progressive deformation phases from the corresponding end of the vehicle, said set (6) of energy absorbing members being supported by said end module (2).
    5. A rail vehicle according to claim 4, characterized in that the set (6) of interchangeable energy absorber members with different mechanical strength properties producing progressive deformation phases from the corresponding end of the vehicle comprises an automatic coupling (8) retractable by deformation and at least two lateral energy absorbing members (9) disposed on either side of the automatic coupling (8).
    6. A rail vehicle according to either claim 4 or claim 5, characterized in that the set (6) of energy absorbing members can be complemented by a series of upper energy absorbing members (10) mounted above the lateral energy absorbing members (9).
    7. A rail vehicle according to any of claims 4 to 6, characterized in that the lateral energy absorbing members (9) disposed on either side of the automatic coupling (8) can each be provided with anti-telescoping devices (9') adapted to be embedded in the obstacle or to cooperate by virtue of their respective shapes with corresponding devices (9') at the end of lateral energy absorbing members (9) of another vehicle.
    8. A rail vehicle according to any of claims 5 to 7, characterized in that the lateral energy absorbing members (9) and the upper energy absorbing members (10) take the form of deformable beams bolted at their end to the front of the end module (2), said deformable beams each consisting of welded metal parts or composite material parts with predetermined deformation.
    EP98440143A 1997-07-02 1998-07-01 Railway vehicle with at least one interchangeable end module Revoked EP0888946B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9708552A FR2765543B1 (en) 1997-07-02 1997-07-02 RAILWAY VEHICLE COMPRISING AT LEAST ONE INTERCHANGEABLE END MODULE
    FR9708552 1997-07-02

    Publications (2)

    Publication Number Publication Date
    EP0888946A1 EP0888946A1 (en) 1999-01-07
    EP0888946B1 true EP0888946B1 (en) 2003-09-24

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP98440143A Revoked EP0888946B1 (en) 1997-07-02 1998-07-01 Railway vehicle with at least one interchangeable end module

    Country Status (8)

    Country Link
    EP (1) EP0888946B1 (en)
    AT (1) ATE250530T1 (en)
    DE (1) DE69818357T2 (en)
    DK (1) DK0888946T3 (en)
    ES (1) ES2209091T3 (en)
    FR (1) FR2765543B1 (en)
    HK (1) HK1019723A1 (en)
    PT (1) PT888946E (en)

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    Also Published As

    Publication number Publication date
    ES2209091T3 (en) 2004-06-16
    FR2765543A1 (en) 1999-01-08
    DE69818357D1 (en) 2003-10-30
    DK0888946T3 (en) 2004-02-09
    FR2765543B1 (en) 2005-01-07
    HK1019723A1 (en) 2000-02-25
    DE69818357T2 (en) 2004-06-24
    ATE250530T1 (en) 2003-10-15
    PT888946E (en) 2004-02-27
    EP0888946A1 (en) 1999-01-07

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