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EP1215098B1 - Railway vehicle with an operator's cab comprising a structure for absorbing energy during a collision above the vehicle chassis - Google Patents

Railway vehicle with an operator's cab comprising a structure for absorbing energy during a collision above the vehicle chassis Download PDF

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Publication number
EP1215098B1
EP1215098B1 EP01403037A EP01403037A EP1215098B1 EP 1215098 B1 EP1215098 B1 EP 1215098B1 EP 01403037 A EP01403037 A EP 01403037A EP 01403037 A EP01403037 A EP 01403037A EP 1215098 B1 EP1215098 B1 EP 1215098B1
Authority
EP
European Patent Office
Prior art keywords
frame
protective shield
vehicle
cab
rail vehicle
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
EP01403037A
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German (de)
French (fr)
Other versions
EP1215098A1 (en
Inventor
Marcel Godin
Gérard Gielczinski
Christian Boneill
Isabelle Guilloteau
Jean-Marc Langlet
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.)
Alstom Transport Technologies SAS
Original Assignee
Alstom SA
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
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Priority to DK01403037T priority Critical patent/DK1215098T3/en
Publication of EP1215098A1 publication Critical patent/EP1215098A1/en
Application granted granted Critical
Publication of EP1215098B1 publication Critical patent/EP1215098B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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

Definitions

  • the invention relates to the field of vehicle construction, in particular railway vehicles with a driver's cab, and relates to such a vehicle having an energy absorbing structure providing driver protection of the vehicle in the event of a collision.
  • such a structure is intended to absorb the energy of a significant shock at the level of the chassis of the vehicle chassis, but is not suitable for a shock with an obstacle coming into the driver's cab of the railway vehicle at the above the level of the chassis.
  • a shock with an obstacle coming into the driver's cab of the railway vehicle at the above the level of the chassis Such a case may occur during a direct impact with an obstacle hitting the railway vehicle at the height of the driver's cab but also during a shock with an obstacle for which the absorber elements chassis power are oversized to ensure proper absorption of the shock.
  • the substantial rigidity of the chassis and the shape diving from the end of the train usually lead to the uprising of the impeded obstacle that then hits the driver's cab causing uncontrolled deformations of the latter, endangering the life of the driver.
  • the present invention aims to overcome these disadvantages by proposing a railway vehicle with driver's cab with protective shield which is adapted to absorb the energy of a shock with an obstacle coming to strike the driver's cab above the level of the frame rails of the vehicle and is simple and economical to achieve.
  • a shield of protection is known from EP-A1-0 888 946.
  • the invention relates to a railway vehicle according to claim 1.
  • FIG. 1 represents the front end of a railway vehicle comprising a chassis 1 rigid deformable ensuring the rigidity of the vehicle and a skin 5 realizing the aesthetic envelope of the vehicle and supporting a windshield 9.
  • the vehicle is equipped with a driver's cab equipped with a structure for the driver protection, shown as exploded in Figure 2, interposed between the part of the skin 5 defining the front face of the vehicle and the interior of the cabin of conduct.
  • This structure comprises a rigid protective shield 3, dimensionally stable, having a front wall 3a extending vertically over substantially the entire height of the driver's cab and having two side walls 3b extending laterally on each side of the driver's cab.
  • the front wall 3a is provided a wide opening 10 facing the windshield 9 of the vehicle with a good field from vision to the driver.
  • the protective shield 3 comprises a sole 3c resting on an upper surface the plane of the frame 1 and has two arms 11 extending respectively the two side walls 3b of the shield of protection 3 down.
  • Each guide arm 11 extends vertically to near a beam 1b of the frame 1 and has a lower end provided with a flange 15 extending under the spar 1b to form an anti-lift abutment preventing the lifting of the protective shield 3 from the chassis 1.
  • the protective shield 3 is connected longitudinally to the frame 1 at the level of each guide arm 11 by a deformable spacer 6 interposed between a face rear 11a of the guide arm 11 and a bearing surface 1c belonging to a shoulder of the chassis 1 arranged opposite the rear face 11a of the guide arm 11.
  • the deformable spacer 6 is presented advantageously in the form of plastic deformation sheet assemblies programmed, each longitudinal end of which is provided with a collar allowing its fixing by bolting.
  • the protective shield 3 also comprises, in its upper part, two beams link 12 extending towards the rear of the vehicle and connected to a ring of structure, not shown in the figures, supported by the chassis 1 of the vehicle.
  • the two connecting beams 12 consist of deformed sheet metal assemblies programmed plastic forming energy absorbing elements with properties of mechanical strength substantially equivalent to those of the spacers 6 deformable.
  • the protection shield 3 on the chassis 1 is secured locally by fusible bolts not shown in the figures.
  • the front face of the front wall 3a of the shield of protection 3 supports a set of casings 7 energy absorbers protruding towards the front of the vehicle.
  • the resistance properties mechanical casing 7 energy absorbers are smaller than the spacers 6 and connecting beams 12 causing, in case of shock, a progressive deformation of all the caissons 7 energy absorbers before causing deformation spacers 6 and connecting beams 12.
  • the front end of the frame 1 of the vehicle is conventionally provided with two anti-climb stops 8 energy absorbers arranged in the extension rails 1b, on either side of an automatic hitch 13 consisting of a head hitch connected to a head beam of the chassis 1 via an element energy absorber.
  • Anti-climb abutments 8 energy absorbers have very high mechanical strength properties, which are suitable for cushion the amount of energy involved in a collision with another vehicle rail.
  • FIG. 4 illustrates the deformation of the previously described structure of the vehicle after an impact with an obstacle having struck the front of the vehicle over the level of the beams 1b of the frame 1, substantially at the height of the boxes 7 energy absorbers supported by the front of the protection shield 3.
  • the casings 7 absorbers of the front face of the protection shield 3 are crushed, thus absorbing part of the shock energy and the residual energy of the shock is absorbed by the progressive deformation of the spacers 6 and the connecting beams 12, resulting in a rearward movement of the protective shield 3 relative to the chassis 1, the protective shield 3 being guided on the frame 1 throughout its displacement by the two guide arms 11.
  • Such a progressive displacement of the protective shield 3 makes it possible to absorb the impact energy while maintaining the integrity of the protective shield 3, which ensures a survival space for the driver who is permanently sheltered behind 3.
  • the decline in protective shield 3 is carried out on a race which can not be greater than one given maximum stroke, the bearing surface 1c of the frame 1 cooperating with the arms of guidance 11 to block the movement of the shield 3 beyond the normal range of absorption by crushing the spacers 6.
  • this the latter is arranged in such a way that the retreat of the protective shield 3 on the the crush area of the spacers 6 does not cause injury to the driver.
  • the control panel of the vehicle is advantageously attached to the protective shield 3 so that it remains intact during the shock thus avoiding any deformation or projection of elements.
  • the driver's seat may also be secured to the protective shield 3 so as to move simultaneously with the shield of protection.
  • Such a vehicle therefore has the advantage of ensuring great safety for the driver by allowing the absorption of a shock taking place directly at the height of the cabin by the controlled retreat of the protection shield, the latter preserving its integrity constantly ensuring its protective shield function.
  • Such a vehicle also has the advantage of having a rigid chassis that can not be deformed. which extends to near the front of the vehicle. It is thus possible to fix a fighter, not shown in the figures, near the front of the vehicle by attaching it directly under the rigid chassis, thus avoiding this disrupts the behavior of the vehicle.

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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)
  • Vibration Dampers (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

The railway vehicle comprises a rigid chassis (1) extending under the driver's cab. It comprises a protection shield (3), located in front of the cab, provided with a rigid structure. The shield rests on the chassis and is connected to it by an energy absorbing element (6) interposed between it and the chassis.

Description

L'invention se rapporte au domaine de la construction de véhicules, en particulier de véhicules ferroviaires à cabine de conduite, et a pour objet un tel véhicule comportant une structure absorbeuse d'énergie assurant la protection du conducteur du véhicule en cas de collision.The invention relates to the field of vehicle construction, in particular railway vehicles with a driver's cab, and relates to such a vehicle having an energy absorbing structure providing driver protection of the vehicle in the event of a collision.

Les véhicules ferroviaires existant actuellement sont équipés à leurs extrémités de 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".Existing railway vehicles are equipped at their ends with means for supporting the loads which the vehicle undergoes under conditions normal traffic and during low speed shocks, so-called shocks "docking".

Il est également connu, du document FR-A-2 698 840, d'équiper les véhicules ferroviaires à cabine de conduite d'une structure métallique absorbeuse d'énergie ayant pour fonction de protéger les passagers et le conducteur du véhicule en cas de chocs importants, par exemple lors d'une collision avec un autre train. Le véhicule comporte alors des zones de déformation plastique dynamique, formées d'éléments absorbeurs d'énergie fixes ou interchangeables, prévues aux extrémités du véhicule.It is also known, from document FR-A-2 698 840, to equip vehicles railway cabs of a metal energy absorbing structure whose function is to protect the passengers and the driver of the vehicle in case of significant shocks, for example during a collision with another train. The vehicle then comprises zones of dynamic plastic deformation, formed of elements fixed or interchangeable energy absorbers provided at the ends of the vehicle.

Cependant, une telle structure est prévue pour absorber l'énergie d'un choc important au niveau des longerons du châssis du véhicule, mais n'est pas adaptée pour un choc avec un obstacle venant percuter la cabine de conduite du véhicule ferroviaire au dessus du niveau du châssis. Un tel cas peut se présenter lors d'un choc direct avec un obstacle venant heurter le véhicule ferroviaire à hauteur de la cabine de conduite mais également lors d'un choc avec un obstacle pour lequel les éléments absorbeurs d'énergie du châssis sont surdimensionnés pour assurer une bonne absorption du choc. En effet, dans un tel cas, la rigidité importante du châssis et la forme plongeante de l'extrémité du train conduisent le plus souvent au soulèvement de l'obstacle percuté qui vient alors frapper la cabine de conduite en provoquant des déformations non contrôlées de cette dernière, mettant en danger la vie du conducteur. However, such a structure is intended to absorb the energy of a significant shock at the level of the chassis of the vehicle chassis, but is not suitable for a shock with an obstacle coming into the driver's cab of the railway vehicle at the above the level of the chassis. Such a case may occur during a direct impact with an obstacle hitting the railway vehicle at the height of the driver's cab but also during a shock with an obstacle for which the absorber elements chassis power are oversized to ensure proper absorption of the shock. Indeed, in such a case, the substantial rigidity of the chassis and the shape diving from the end of the train usually lead to the uprising of the impeded obstacle that then hits the driver's cab causing uncontrolled deformations of the latter, endangering the life of the driver.

La présente invention a pour but de pallier ces inconvénients en proposant un véhicule ferroviaire dont la cabine de conduite comporte un bouclier de protection qui soit adapté pour absorber l'énergie d'un choc avec un obstacle venant percuter la cabine de conduite au dessus du niveau des longerons du châssis du véhicule et qui soit simple et économique à réaliser. Un tel bouclier de protection est connu du document EP-A1-0 888 946.The present invention aims to overcome these disadvantages by proposing a railway vehicle with driver's cab with protective shield which is adapted to absorb the energy of a shock with an obstacle coming to strike the driver's cab above the level of the frame rails of the vehicle and is simple and economical to achieve. Such a shield of protection is known from EP-A1-0 888 946.

L'invention a pour objet un véhicule ferroviaire selon la revendication 1.The invention relates to a railway vehicle according to claim 1.

Selon des modes particuliers de réalisation, le véhicule ferroviaire selon l'invention peut comprendre l'une ou plusieurs des caractéristiques suivantes prises isolément ou selon toutes les combinaisons techniquement possibles :

  • le ou les éléments absorbeurs d'énergie relient longitudinalement le bouclier de protection au châssis de manière à permettre un déplacement du bouclier de protection par rapport au châssis suivant la direction longitudinale du véhicule, par déformation du ou des éléments absorbeurs d'énergie lors d'un choc frontal ;
  • le châssis et le bouclier de protection possèdent, au niveau de leur interface, des formes complémentaires constituant un dispositif de guidage de type glissière suivant la direction longitudinale du véhicule ;
  • le bouclier de protection est constitué d'une structure rigide s'étendant verticalement sur la hauteur de la cabine de conduite et comportant une ouverture en regard du pare-brise du véhicule ;
  • le bouclier de protection s'étend également latéralement sur les cotés de la cabine de conduite pour former une structure enveloppante ;
  • le bouclier de protection et le châssis sont localement reliés directement l'un à l'autre par des éléments de fixations fusibles ;
  • la partie supérieure du bouclier de protection est reliée, par l'intermédiaire d'éléments absorbeurs d'énergie, à des éléments de structure solidaires du châssis ;
  • la face avant du bouclier de protection supporte des éléments absorbeurs d'énergie s'étendant en direction de l'extrémité avant du véhicule ;
  • l'extrémité avant du châssis supporte des éléments absorbeurs d'énergie ;
  • le ou les éléments absorbeurs d'énergie sont constitués par des structures à déformation programmée ;
  • l'extrémité avant du châssis supporte un chasse-obstacle.
According to particular embodiments, the railway vehicle according to the invention may comprise one or more of the following characteristics taken separately or in any technically possible combination:
  • the energy absorbing element (s) longitudinally connect the protective shield to the chassis so as to allow a displacement of the protective shield with respect to the chassis in the longitudinal direction of the vehicle, by deformation of the energy-absorbing element (s) during frontal shock;
  • the frame and the protective shield have, at their interface, complementary shapes constituting a slide-type guiding device in the longitudinal direction of the vehicle;
  • the protective shield consists of a rigid structure extending vertically over the height of the driver's cab and having an opening facing the windshield of the vehicle;
  • the protective shield also extends laterally on the sides of the driver's cab to form a wraparound structure;
  • the protective shield and the frame are locally connected directly to one another by fusible fasteners;
  • the upper part of the protective shield is connected, via energy-absorbing elements, to structural elements integral with the chassis;
  • the front face of the protective shield carries energy absorbing elements extending towards the front end of the vehicle;
  • the front end of the frame supports energy absorbing elements;
  • the energy-absorbing element or elements are constituted by structures with programmed deformation;
  • the front end of the chassis supports a hunt.

On comprendra mieux les buts, aspects et avantages de la présente invention, d'après la description donnée ci-après d'un mode particulier de réalisation de l'invention, présenté à titre d'exemple non limitatif, en se référant aux dessins annexés, dans lesquels :

  • La figure 1 est une vue en perspective d'une extrémité de véhicule ferroviaire, partiellement éclatée, équipé d'une structure conforme à l'invention ;
  • La figure 2 est une vue éclatée en perspective à plus grande échelle d'une partie de la structure formant l'extrémité avant du véhicule de la figure 1;
  • La figure 3 est une vue en perspective de la structure formant l'extrémité avant du véhicule de la figure 1 avant un choc ;
  • La figure 4 est une vue analogue à celle de la figure 3 après un choc à hauteur de la cabine de conduite du véhicule ferroviaire.
The aims, aspects and advantages of the present invention will be better understood from the description given below of a particular embodiment of the invention, given by way of non-limiting example, with reference to the appended drawings. , wherein :
  • Figure 1 is a perspective view of a railway vehicle end, partially exploded, equipped with a structure according to the invention;
  • Figure 2 is an exploded perspective view on a larger scale of a portion of the structure forming the front end of the vehicle of Figure 1;
  • Figure 3 is a perspective view of the structure forming the front end of the vehicle of Figure 1 before a shock;
  • Figure 4 is a view similar to that of Figure 3 after an impact at the height of the driver's cab of the railway vehicle.

Pour faciliter la lecture du dessin, seuls les éléments nécessaires à la compréhension de l'invention ont été représentés. Les mêmes éléments portent les mêmes références d'une figure à l'autre.To facilitate the reading of the drawing, only the elements necessary for understanding of the invention have been shown. The same elements have the same references from one figure to another.

La figure 1 représente l'extrémité avant d'un véhicule ferroviaire comportant un châssis 1 rigide indéformable assurant la rigidité du véhicule et une peau 5 réalisant l'enveloppe esthétique du véhicule et supportant un pare-brise 9. FIG. 1 represents the front end of a railway vehicle comprising a chassis 1 rigid deformable ensuring the rigidity of the vehicle and a skin 5 realizing the aesthetic envelope of the vehicle and supporting a windshield 9.

Le véhicule est équipé d'une cabine de conduite munie d'une structure pour la protection du conducteur, représentée en éclatée sur la figure 2, s'interposant entre la partie de la peau 5 définissant la face avant du véhicule et l'intérieur de la cabine de conduite. Cette structure comporte un bouclier de protection 3 rigide, indéformable, présentant une paroi frontale 3a s'étendant verticalement sur sensiblement toute la hauteur de la cabine de conduite et présentant deux parois latérales 3b s'étendant latéralement de chaque côté de la cabine de conduite. La paroi frontale 3a est munie d'une large ouverture 10 en regard du pare-brise 9 du véhicule offrant un bon champ de vision au conducteur.The vehicle is equipped with a driver's cab equipped with a structure for the driver protection, shown as exploded in Figure 2, interposed between the part of the skin 5 defining the front face of the vehicle and the interior of the cabin of conduct. This structure comprises a rigid protective shield 3, dimensionally stable, having a front wall 3a extending vertically over substantially the entire height of the driver's cab and having two side walls 3b extending laterally on each side of the driver's cab. The front wall 3a is provided a wide opening 10 facing the windshield 9 of the vehicle with a good field from vision to the driver.

Conformément aux figures 2 et 3, le bouclier de protection 3 comporte une semelle 3c reposant sur une surface supérieure la plane du châssis 1 et comporte deux bras de guidage 11 prolongeant respectivement les deux parois latérales 3b du bouclier de protection 3 vers le bas. Chaque bras de guidage 11 s'étend verticalement à proximité d'un longeron 1b du châssis 1 et présente une extrémité inférieure munie d'un rebord 15 s'étendant sous le longeron 1b pour former une butée anti-soulèvement empêchant le soulèvement du bouclier de protection 3 par rapport au châssis 1.According to FIGS. 2 and 3, the protective shield 3 comprises a sole 3c resting on an upper surface the plane of the frame 1 and has two arms 11 extending respectively the two side walls 3b of the shield of protection 3 down. Each guide arm 11 extends vertically to near a beam 1b of the frame 1 and has a lower end provided with a flange 15 extending under the spar 1b to form an anti-lift abutment preventing the lifting of the protective shield 3 from the chassis 1.

Le bouclier de protection 3 est relié longitudinalement au châssis 1 au niveau de chaque bras de guidage 11 par une entretoise déformable 6 interposée entre une face arrière 11a du bras de guidage 11 et une face d'appui 1c appartenant à un épaulement du châssis 1 disposé en regard de la face arrière 11a du bras de guidage 11. Dans l'exemple de réalisation représenté, l'entretoise déformable 6 se présente avantageusement sous la forme d'assemblages de tôles à déformation plastique programmée, dont chaque extrémité longitudinale est munie d'une collerette permettant sa fixation par boulonnage.The protective shield 3 is connected longitudinally to the frame 1 at the level of each guide arm 11 by a deformable spacer 6 interposed between a face rear 11a of the guide arm 11 and a bearing surface 1c belonging to a shoulder of the chassis 1 arranged opposite the rear face 11a of the guide arm 11. In the embodiment shown, the deformable spacer 6 is presented advantageously in the form of plastic deformation sheet assemblies programmed, each longitudinal end of which is provided with a collar allowing its fixing by bolting.

Le bouclier de protection 3 comporte également, dans sa partie haute, deux poutres de liaison 12 s'étendant en direction de l'arrière du véhicule et reliées à un anneau de structure, non représenté sur les figures, supporté par le châssis 1 du véhicule. Les deux poutres de liaison 12 sont constituées d'assemblages de tôles à déformation plastique programmée formant des éléments absorbeurs d'énergie à propriétés de résistance mécanique sensiblement équivalentes à celles des entretoises 6 déformables.The protective shield 3 also comprises, in its upper part, two beams link 12 extending towards the rear of the vehicle and connected to a ring of structure, not shown in the figures, supported by the chassis 1 of the vehicle. The two connecting beams 12 consist of deformed sheet metal assemblies programmed plastic forming energy absorbing elements with properties of mechanical strength substantially equivalent to those of the spacers 6 deformable.

Avantageusement, la tenue du bouclier de protection 3 sur le châssis 1 est assurée localement par des boulons fusibles non représentés sur les figures.Advantageously, the protection shield 3 on the chassis 1 is secured locally by fusible bolts not shown in the figures.

Conformément à la figure 3, la face avant de la paroi frontale 3a du bouclier de protection 3 supporte un ensemble de caissons 7 absorbeurs d'énergie faisant sailli vers la face avant du véhicule. De manière préférentielle, les propriétés de résistance mécanique des caissons 7 absorbeurs d'énergie sont inférieures à celle des entretoises 6 et des poutres de liaison 12 entraínant, en cas de choc, une déformation progressive de l'ensemble des caissons 7 absorbeurs d'énergie avant d'entraíner la déformation des entretoises 6 et des poutres de liaison 12.According to Figure 3, the front face of the front wall 3a of the shield of protection 3 supports a set of casings 7 energy absorbers protruding towards the front of the vehicle. Preferably, the resistance properties mechanical casing 7 energy absorbers are smaller than the spacers 6 and connecting beams 12 causing, in case of shock, a progressive deformation of all the caissons 7 energy absorbers before causing deformation spacers 6 and connecting beams 12.

L'extrémité avant du châssis 1 du véhicule est munie de manière classique de deux butées antichevauchements 8 absorbeurs d'énergie disposés dans le prolongement des longerons 1b, de part et d'autre d'un attelage automatique 13 constitué d'une tête d'attelage relié à une traverse de tête du châssis 1 par l'intermédiaire d'un élément absorbeur d'énergie. Les butées antichevauchements 8 absorbeurs d'énergie possèdent des propriétés de résistance mécanique très élevées, qui sont adaptées pour amortir les quantités d'énergie mises en jeu lors d'un choc avec un autre véhicule ferroviaire.The front end of the frame 1 of the vehicle is conventionally provided with two anti-climb stops 8 energy absorbers arranged in the extension rails 1b, on either side of an automatic hitch 13 consisting of a head hitch connected to a head beam of the chassis 1 via an element energy absorber. Anti-climb abutments 8 energy absorbers have very high mechanical strength properties, which are suitable for cushion the amount of energy involved in a collision with another vehicle rail.

La figure 4 illustre la déformation de la structure du véhicule précédemment décrit après un choc avec un obstacle ayant percuté la face avant du véhicule au dessus du niveau des longerons 1b du châssis 1, sensiblement à hauteur des caissons 7 absorbeurs d'énergie supportés par la face avant du bouclier de protection 3.FIG. 4 illustrates the deformation of the previously described structure of the vehicle after an impact with an obstacle having struck the front of the vehicle over the level of the beams 1b of the frame 1, substantially at the height of the boxes 7 energy absorbers supported by the front of the protection shield 3.

Conformément à cette figure, lors d'un tel impact, les caissons 7 absorbeurs d'énergie de la face avant du bouclier de protection 3 sont écrasés, absorbant ainsi une partie de l'énergie du choc et l'énergie résiduelle du choc est absorbée par la déformation progressive des entretoises 6 et des poutres de liaison 12, entraínant un déplacement vers l'arrière du bouclier de protection 3 relativement au châssis 1, le bouclier de protection 3 étant guidé sur le châssis 1 tout au long de son déplacement par les deux bras de guidage 11.According to this figure, during such an impact, the casings 7 absorbers of the front face of the protection shield 3 are crushed, thus absorbing part of the shock energy and the residual energy of the shock is absorbed by the progressive deformation of the spacers 6 and the connecting beams 12, resulting in a rearward movement of the protective shield 3 relative to the chassis 1, the protective shield 3 being guided on the frame 1 throughout its displacement by the two guide arms 11.

Un tel déplacement progressif du bouclier de protection 3 permet d'absorber l'énergie du choc tout en conservant l'intégrité du bouclier de protection 3, ce qui assure un espace de survie pour le conducteur qui est en permanence à l'abri derrière le bouclier de protection 3. Comme on peut le voir sur cette figure, le recul du bouclier de protection 3 s'effectue sur une course qui ne peut être supérieure à une course maximale donnée, la face d'appui 1 c du châssis 1 coopérant avec les bras de guidage 11 pour bloquer le déplacement du bouclier 3 au-delà de la plage normale d'absorption par écrasement des entretoises 6.Such a progressive displacement of the protective shield 3 makes it possible to absorb the impact energy while maintaining the integrity of the protective shield 3, which ensures a survival space for the driver who is permanently sheltered behind 3. As can be seen in this figure, the decline in protective shield 3 is carried out on a race which can not be greater than one given maximum stroke, the bearing surface 1c of the frame 1 cooperating with the arms of guidance 11 to block the movement of the shield 3 beyond the normal range of absorption by crushing the spacers 6.

Pour assurer une grande sécurité à l'intérieur de la cabine de conduite 1, cette dernière est aménagée de manière à ce que le recul du bouclier de protection 3 sur la plage d'écrasement des entretoises 6 n'entraíne pas de blessure du conducteur. Ainsi, le pupitre de commande du véhicule, non représenté, est avantageusement fixé au bouclier de protection 3 afin qu'il reste intègre lors du choc évitant ainsi toute déformation ou projection d'éléments. Le siège du conducteur pourra également être solidaire du bouclier de protection 3 de manière à se déplacer simultanément avec le bouclier de protection.To ensure a high level of safety inside the driving cabin 1, this the latter is arranged in such a way that the retreat of the protective shield 3 on the the crush area of the spacers 6 does not cause injury to the driver. So, the control panel of the vehicle, not shown, is advantageously attached to the protective shield 3 so that it remains intact during the shock thus avoiding any deformation or projection of elements. The driver's seat may also be secured to the protective shield 3 so as to move simultaneously with the shield of protection.

Un tel véhicule présente donc l'avantage d'assurer une grande sécurité au conducteur en permettant l'absorption d'un choc ayant lieu directement à hauteur de la cabine par le recul contrôlé du bouclier de protection, ce dernier en conservant son intégrité assurant constamment sa fonction de bouclier protecteur.Such a vehicle therefore has the advantage of ensuring great safety for the driver by allowing the absorption of a shock taking place directly at the height of the cabin by the controlled retreat of the protection shield, the latter preserving its integrity constantly ensuring its protective shield function.

Un tel véhicule présente également l'avantage d'avoir un châssis rigide indéformable qui s'étend jusqu'à proximité de la face avant du véhicule. Il est ainsi possible de fixer un chasse-obstacle, non représenté sur les figures, à proximité de l'avant du véhicule en le fixant directement sous le châssis rigide, évitant ainsi que cela ne perturbe le comportement du véhicule.Such a vehicle also has the advantage of having a rigid chassis that can not be deformed. which extends to near the front of the vehicle. It is thus possible to fix a fighter, not shown in the figures, near the front of the vehicle by attaching it directly under the rigid chassis, thus avoiding this disrupts the behavior of the vehicle.

Bien entendu, l'invention n'est nullement limitée au mode de réalisation décrit et illustré qui n'a été donné qu'à titre d'exemple. 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 illustrated which has been given only as an example. Modifications are possible, particular from the point of view of the constitution of the various elements or by substitution technical equivalents, without departing from the scope of protection of the invention.

Claims (11)

  1. A rail vehicle having an end provided with a driver's cab, said vehicle having a rigid frame (1) extending under said driver's cab, and a skin (5) forming the aesthetically-pleasing casing for the vehicle and having a protective shield (3) interposed between the portion of the skin (5) defining the front face of the vehicle and the inside of said driver's cab and provided with a rigid structure, said protective shield (3) resting on said frame (1), the vehicle being characterized in that said shield is connected to said frame (1) via at least one energy-absorbing element (6) interposed locally between the shield (3) and the frame (1).
  2. A rail vehicle according to claim 1, characterized in that the energy-absorbing elements (6) connect the protective shield (3) longitudinally to the frame (1) so as to enable the protective shield (3) to move relative to said frame (1) in a longitudinal direction of the vehicle by said energy-absorbing elements (6) deforming when a frontal impact occurs.
  3. A rail vehicle according to claim 2, characterized in that, at their interface, said frame (1) and said protective shield (3) have complementary shapes constituting a guide device of the runner type in the longitudinal direction of the vehicle.
  4. A rail vehicle according to any one of claims 1 to 3, characterized in that the protective shield (3) is constituted of a rigid structure extending vertically over the height of the driver's cab, and provided with an opening (10) facing the windscreen (9) of the vehicle.
  5. A rail vehicle according to claim 4, characterized in that the protective shield (3) also extends over the sides of the driver's cab to form a casing structure.
  6. A rail vehicle according to any one of claims 1 to 5, characterized in that the protective shield (3) and the frame (1) are locally connected directly to each other via break-away fixing elements.
  7. A rail vehicle according to any one of claims 1 to 6, characterized in that the top portion of the protective shield (3) is connected via energy-absorbing elements (12) to structural elements secured to or integral with the frame (1).
  8. A rail vehicle according to any preceding claim, characterized in that the front face of the protective shield (3) supports energy-absorbing elements (7) extending towards the front end of the vehicle.
  9. A rail vehicle according to any one of claims 1 to 8, characterized in that the front end of the frame (1) supports energy-absorbing elements (8).
  10. A rail vehicle according to any one of claims 1 to 9, characterized in that said energy-absorbing elements (6, 7, 8, 12) are constituted by structures that deform in programmed manner.
  11. A rail vehicle according to any one of claims 1 to 10, characterized in that the front end of the frame (1) supports a guard iron.
EP01403037A 2000-12-18 2001-11-27 Railway vehicle with an operator's cab comprising a structure for absorbing energy during a collision above the vehicle chassis Expired - Lifetime EP1215098B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK01403037T DK1215098T3 (en) 2000-12-18 2001-11-27 Railway vehicle with driver's cab comprising an energy-absorbing structure adapted to a collision over the vehicle's chassis

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0016493A FR2818224B1 (en) 2000-12-18 2000-12-18 RAIL VEHICLE WITH DRIVING CABIN COMPRISING AN ENERGY ABSORBING STRUCTURE SUITABLE FOR COLLISION ABOVE THE VEHICLE CHASSIS
FR0016493 2000-12-18

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EP1215098A1 EP1215098A1 (en) 2002-06-19
EP1215098B1 true EP1215098B1 (en) 2005-03-16

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US (1) US6561105B2 (en)
EP (1) EP1215098B1 (en)
JP (1) JP4044758B2 (en)
CN (1) CN1315680C (en)
AT (1) ATE290971T1 (en)
AU (1) AU779020B2 (en)
CA (1) CA2364957C (en)
DE (1) DE60109399T2 (en)
DK (1) DK1215098T3 (en)
EG (1) EG22817A (en)
ES (1) ES2239111T3 (en)
FR (1) FR2818224B1 (en)
HK (1) HK1048289B (en)
HR (1) HRP20010897B1 (en)
IL (1) IL147096A0 (en)
MA (1) MA25480A1 (en)
NO (1) NO324083B1 (en)
RU (1) RU2231462C2 (en)
YU (1) YU88501A (en)

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EP1215098A1 (en) 2002-06-19
ES2239111T3 (en) 2005-09-16
CN1315680C (en) 2007-05-16
DE60109399T2 (en) 2006-01-19
US6561105B2 (en) 2003-05-13
CN1368448A (en) 2002-09-11
AU9716301A (en) 2002-06-20
RU2231462C2 (en) 2004-06-27
NO20016163D0 (en) 2001-12-17
CA2364957A1 (en) 2002-06-18
US20020073887A1 (en) 2002-06-20
JP2002225704A (en) 2002-08-14
YU88501A (en) 2003-01-31
CA2364957C (en) 2007-02-06
JP4044758B2 (en) 2008-02-06
NO20016163L (en) 2002-06-19
ATE290971T1 (en) 2005-04-15
HK1048289B (en) 2007-09-28
MA25480A1 (en) 2002-07-01
DK1215098T3 (en) 2005-07-25
FR2818224B1 (en) 2003-01-24
HRP20010897B1 (en) 2006-02-28
FR2818224A1 (en) 2002-06-21
DE60109399D1 (en) 2005-04-21
HK1048289A1 (en) 2003-03-28
IL147096A0 (en) 2002-08-14
NO324083B1 (en) 2007-08-06
HRP20010897A2 (en) 2003-08-31
AU779020B2 (en) 2005-01-06
EG22817A (en) 2003-09-30

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