EP3656633B1 - Railway vehicle car - Google Patents

Railway vehicle car Download PDF

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Publication number
EP3656633B1
EP3656633B1 EP19211245.6A EP19211245A EP3656633B1 EP 3656633 B1 EP3656633 B1 EP 3656633B1 EP 19211245 A EP19211245 A EP 19211245A EP 3656633 B1 EP3656633 B1 EP 3656633B1
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EP
European Patent Office
Prior art keywords
support
box
roof
railway vehicle
vehicle car
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EP19211245.6A
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German (de)
French (fr)
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EP3656633A1 (en
Inventor
Marc Gendron
Laurent Laloyaux
Alexandre Sharawi
Pascal Flament
Nicolas Delannoy
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Alstom Transport Technologies SAS
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Alstom Transport Technologies SAS
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Publication of EP3656633A1 publication Critical patent/EP3656633A1/en
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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
    • B61D17/12—Roofs
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D1/00—Carriages for ordinary railway passenger traffic

Definitions

  • Rail vehicle cars of the aforementioned type are known, see for example document US 2012/193493 A1 .
  • Primary brackets are generally used to secure the electrical equipment trunk to the roof of this car.
  • the pavilion is generally made of aluminum.
  • the primary supports are exposed to the fire. Since the primary supports are made of a metallic material, and therefore a heat conductor, the part of the pavilion adjacent to the primary support can reach or exceed the melting temperature of the aluminum.
  • the roof may sag around the primary supports under the effect of the weight of the trunk. This sagging can then create a breach in the pavilion, forming a passage for flames, which presents dangers to passengers.
  • the object of the invention is in particular to remedy this drawback, by limiting the risk of a breach on the pavilion in the event of a fire thereon.
  • the invention relates to a rail vehicle car of the aforementioned type comprising at least one secondary support interposed between the trunk and the roof, the secondary support being arranged in a central part of the trunk and being able to support the weight. of the trunk in the event of the roof sag at the location of said primary support.
  • Car 10 has four vertical walls (not shown in the figure) defining a substantially rectangular space (not shown in the figure), each vertical wall extending in the direction of the vertical axis Z between a lower end and a upper edge.
  • Car 10 furthermore comprises a horizontal roof 16 connecting the upper edges of the four walls, and a floor (not shown in the figure) connecting the lower ends of the four walls.
  • the pavilion 16 is made of a metallic material, for example aluminum.
  • the pavilion 16 comprises an upper surface 18 and a lower surface (not shown in the figure).
  • the upper surface 18 comprises at least one fixing rail 22 on which fixing elements are intended to be fixed.
  • the fixing rails 22 are arranged substantially parallel to one another, and preferably extend all along the length of the roof 16 along the longitudinal axis X.
  • the car 10 also includes a trunk 24 mounted on the upper surface 18 of the roof 16, and at least one primary support 26 interposed between the trunk 24 and the roof 16 to support the trunk 24.
  • the chest 24 is for example suitable for housing electronic equipment.
  • the box 24 is adapted to house ventilation and / or air conditioning components.
  • the trunk 24 is capable of being moved between a rest position when the flag 16 does not have sagging, and a plurality of lowered positions when the flag 16 has sagging.
  • the box 24 has four vertical sides 28 each extending in the vertical direction Z between a lower end and an upper end, a horizontal lower wall 30 connecting the lower ends of the four sides 28, and a horizontal upper wall 32 connecting the upper ends. of the four flanks 28.
  • each longitudinal vertical flank extends parallel to the longitudinal direction X between two longitudinal ends.
  • the lower wall 30 has a peripheral part 34 and a central part 36.
  • the primary supports 26 are arranged in the peripheral part 34 of the box 24.
  • the primary supports 26 are adapted to support the weight of the box 24.
  • the car 10 has two primary supports 26 on each longitudinal side 28. More particularly, each longitudinal sidewall 28 carries a primary support 26 at each of its longitudinal ends.
  • Each primary support 26 is fixed, on the one hand, to one of the fixing rails 22 by a first fixing element 38, and on the other hand, to one of the vertical sides 28.
  • the first fixing element 38 comprises for example a screw-nut system.
  • the car 10 also has a protection plate 40 for each primary support 26.
  • the protection plate 40 is arranged. on the roof 16 between two fixing rails 22.
  • the protection plate 40 surrounds the primary support 26 corresponding.
  • the protection plate 40 is intended in particular to thermally insulate the fixing rail 22 by matching the shape of the primary support 26.
  • the car 10 also includes at least one secondary support 42 interposed between the trunk 24 and the roof 16.
  • the secondary support 42 is adapted, in the event of the roof 16 sagging in the area of the primary supports 26, to support the weight of the trunk. 24.
  • the secondary supports 42 are arranged in the central part 36 of the lower wall 30.
  • the car 10 comprises two secondary supports 42 arranged symmetrically with respect to a plane of symmetry of the roof 16, parallel to the steering vertical Z and the longitudinal direction X.
  • the secondary supports 42 are made of a material which has a higher melting point than that of the primary supports 26. They are for example made of stainless steel.
  • the thickness of the secondary supports 42 is between 1 mm and 10 mm, in particular between 2 mm and 8 mm, and is preferably equal to 4 mm.
  • Each secondary support 42 is fixed to the roof 16 by a respective second fixing element 44.
  • Each second fixing element 44 comprises for example a screw-nut system, and may be identical or different from the first fixing element 38.
  • Each secondary support 42 has a “U” shape, the “U” opening of each secondary support being oriented away from the other secondary support.
  • the “U” openings of the secondary supports 42 are arranged one opposite the other.
  • It comprises a lower rim 46, an upper rim 48, and a vertical wall 50 connecting said lower 46 and upper 48 rims.
  • the lower rim 46 is fixed to the roof 16 by the second fastening element 44.
  • the upper rim 48 is arranged opposite the trunk 24. It is arranged substantially parallel to the lower rim 46.
  • the upper rim 48 has a shape substantially identical to that of the lower rim 46. In the preferred configuration, the upper rim 48 has the same dimensions as the lower rim 46.
  • the vertical wall 50 of the secondary support 42 has, in the vertical direction Z, a height less than the distance between the box 24 and the roof 16 when the flag 16 is in the rest position. In other words, when the flag 16 occupies its rest position, a vertical spacing 52 occurs between the lower wall 30 and the upper rim 48.
  • the secondary support 42 further comprises at least one reinforcing rib 54 projecting perpendicularly from the vertical wall 50, and extends substantially over the entire transverse width of the lower and upper flanges 46, 48.
  • the reinforcing ribs 54 are suitable for reinforcing the structure of the secondary support 42 in the vertical direction Z.
  • the secondary support 42 comprises two reinforcing ribs 54.
  • the car 10 further comprises a thermally insulating strip 56 disposed on the upper surface of the upper rim 48 facing the trunk 24.
  • the insulating strip 56 is suitable for reducing the transfer of heat between the trunk 24 and the supports. secondary 42. When the box 24 is in the rest position, the insulating strip 56 is away from the lower wall 30 of the box 24.
  • the flag 16 When there is no sagging of the flag 16, the flag 16 is in the rest position.
  • the trunk 24 is supported by the primary supports 26, and is away from the secondary supports 42.
  • the primary supports 26 When there is a significant increase in temperature near the pavilion 16, due for example to the presence of a fire, the primary supports 26 are exposed to heat. Being made of a metallic material, the primary supports 26 transfer heat to the pavilion 16 and thus heat it up.
  • the pavilion 16 is made of aluminum which has a melting point of 660 ° C. When the temperature near the primary supports 26 of the box 24 approaches this melting temperature, the roof 16 softens and collapses under the effect of the weight of the box 24 near the primary supports 26.
  • the box 24 therefore begins to descend, and the lower wall 30 approaches the secondary supports 42. In doing so, the vertical distance 52 decreases until the box 24 comes into contact with the upper edges 48.
  • the secondary supports 42 being less exposed to heat and in particular to radiation, the part of the pavilion 16 in their proximity remains solid and capable of supporting the weight of the box 24.
  • the upper edges 48 exert a supporting force on the box 24, and the descent of the trunk 24 is stopped.
  • the invention makes it possible to obtain a stronger attachment of the trunk 24 during a fire and makes the car more reliable.

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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)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Body Structure For Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Description

La présente invention concerne une voiture de véhicule ferroviaire, du type comprenant :

  • un pavillon,
  • un coffre monté sur le pavillon,
  • au moins un support primaire de coffre, interposé entre le coffre et le pavillon, ledit support primaire étant disposé dans une partie périphérique du coffre et étant destiné à soutenir le poids du coffre.
The present invention relates to a rail vehicle car, of the type comprising:
  • a deck,
  • a trunk mounted on the roof,
  • at least one primary trunk support, interposed between the trunk and the roof, said primary support being disposed in a peripheral part of the trunk and being intended to support the weight of the trunk.

Des voitures de véhicule ferroviaire du type précité sont connues, voir par exemple le document US 2012/193493 A1 . Les supports primaires sont généralement utilisés pour fixer le coffre d'équipements électriques sur le pavillon de cette voiture.Rail vehicle cars of the aforementioned type are known, see for example document US 2012/193493 A1 . Primary brackets are generally used to secure the electrical equipment trunk to the roof of this car.

Ces voitures connues ne donnent toutefois pas entière satisfaction.However, these known cars are not entirely satisfactory.

Le pavillon est généralement réalisé en aluminium. En cas d'incendie sur ce pavillon, les supports primaires se retrouvent exposés au feu. Les supports primaires étant réalisés en un matériau métallique, donc conducteur de chaleur, la partie du pavillon voisine du support primaire peut atteindre ou surpasser la température de fusion de l'aluminium. Dans ce cas, le pavillon peut s'affaisser autour des supports primaires sous l'effet du poids du coffre. Cet affaissement peut alors créer une brèche dans le pavillon, formant un passage pour des flammes, ce qui présente des dangers pour les passagers.The pavilion is generally made of aluminum. In the event of a fire on this pavilion, the primary supports are exposed to the fire. Since the primary supports are made of a metallic material, and therefore a heat conductor, the part of the pavilion adjacent to the primary support can reach or exceed the melting temperature of the aluminum. In this case, the roof may sag around the primary supports under the effect of the weight of the trunk. This sagging can then create a breach in the pavilion, forming a passage for flames, which presents dangers to passengers.

L'invention a notamment pour but de remédier à cet inconvénient, en limitant le risque de brèche sur le pavillon en cas d'incendie sur celui-ci.The object of the invention is in particular to remedy this drawback, by limiting the risk of a breach on the pavilion in the event of a fire thereon.

A cet effet, l'invention a pour objet une voiture de véhicule ferroviaire de type précité comportant au moins un support secondaire interposé entre le coffre et le pavillon, le support secondaire étant disposé dans une partie centrale du coffre et étant propre à soutenir le poids du coffre en cas d'affaissement du pavillon à l'endroit dudit support primaire.To this end, the invention relates to a rail vehicle car of the aforementioned type comprising at least one secondary support interposed between the trunk and the roof, the secondary support being arranged in a central part of the trunk and being able to support the weight. of the trunk in the event of the roof sag at the location of said primary support.

Selon des modes de réalisation particuliers de l'invention, la voiture de véhicule ferroviaire présente en outre l'une ou plusieurs des caractéristiques suivantes, prise(s) isolément ou suivant toute(s) combinaison(s) techniquement possible(s) :

  • le support secondaire est réalisé en un matériau présentant une température de fusion supérieure à celle du support primaire ;
  • le support secondaire est réalisé en inox ;
  • la voiture de véhicule ferroviaire comporte une bande en matériau thermiquement isolant interposée entre le support secondaire et le coffre ;
  • un écartement vertical est ménagé entre le support secondaire et le coffre lorsque le pavillon ne présente pas d'affaissement ;
  • le pavillon comporte des rails de fixation, chaque support primaire étant fixé sur l'un des rails de fixation ;
  • chaque support secondaire est fixé à au moins un des rails de fixation ; et
  • chaque support secondaire présente une forme en « U » définie par un rebord inférieur fixé au pavillon, un rebord supérieur disposé en regard du coffre, et une paroi verticale reliant les rebords inférieur et supérieur, le support secondaire comportant des nervures de renforts à son intérieur, reliant les rebords inférieur et supérieur et s'étendant perpendiculairement à la paroi verticale.
According to particular embodiments of the invention, the rail vehicle car also has one or more of the following characteristics, taken in isolation or in any technically possible combination (s):
  • the secondary support is made of a material having a higher melting point than that of the primary support;
  • the secondary support is made of stainless steel;
  • the rail vehicle car comprises a strip of thermally insulating material interposed between the secondary support and the trunk;
  • a vertical spacing is provided between the secondary support and the trunk when the roof does not show sagging;
  • the roof comprises fixing rails, each primary support being fixed on one of the fixing rails;
  • each secondary support is fixed to at least one of the fixing rails; and
  • each secondary support has a "U" shape defined by a lower rim fixed to the roof, an upper rim placed facing the trunk, and a vertical wall connecting the lower and upper rims, the secondary support comprising reinforcing ribs inside it , connecting the lower and upper flanges and extending perpendicular to the vertical wall.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins annexés, dans lesquels :

  • [Fig 1] la Figure 1 est une vue partielle en perspective d'une voiture selon l'invention, un coffre étant monté sur le pavillon de la voiture, et
  • [Fig 2] la Figure 2 est une vue en perspective de supports secondaires équipant la voiture de la Figure 1.
Other characteristics and advantages of the invention will become apparent on reading the description which will follow, given solely by way of example and made with reference to the appended drawings, in which:
  • [ Fig 1 ] the Figure 1 is a partial perspective view of a car according to the invention, a trunk being mounted on the roof of the car, and
  • [ Fig 2 ] the Figure 2 is a perspective view of secondary supports fitted to the car of the Figure 1 .

Dans la suite, les termes d'orientation s'entendent en référence au repère d'orientation usuel des véhicules ferroviaires, représenté sur la Figure 1, et dans lequel on distingue :

  • un axe longitudinal X, orienté de l'arrière vers l'avant, selon le sens de marche de la voiture 10,
  • un axe transversal Y, perpendiculaire à l'axe longitudinal, orienté de la droite vers la gauche et formant avec l'axe X un plan horizontal, et
  • un axe vertical Z, perpendiculaire au plan horizontal, orienté du bas vers le haut.
In the following, the terms of orientation are understood with reference to the usual orientation mark for railway vehicles, shown in the Figure 1 , and in which we distinguish:
  • a longitudinal axis X, oriented from the rear to the front, according to the direction of travel of the car 10,
  • a transverse axis Y, perpendicular to the longitudinal axis, oriented from right to left and forming with the axis X a horizontal plane, and
  • a vertical axis Z, perpendicular to the horizontal plane, oriented from bottom to top.

On a représenté sur la Figure 1 une voiture 10 d'un véhicule ferroviaire selon un exemple de mode de réalisation de l'invention. La voiture 10 comporte quatre parois verticales (non-représentées sur la figure) définissant un espace (non-représenté sur la figure) sensiblement rectangulaire, chaque paroi verticale s'étendant dans la direction de l'axe vertical Z entre une extrémité inférieure et un bord supérieur. La voiture 10 comporte par ailleurs un pavillon 16 horizontal reliant les bords supérieurs des quatre parois, et un sol (non-représenté sur la figure) reliant les extrémités inférieures des quatre parois.We have represented on the Figure 1 a car 10 of a railway vehicle according to an exemplary embodiment of the invention. Car 10 has four vertical walls (not shown in the figure) defining a substantially rectangular space (not shown in the figure), each vertical wall extending in the direction of the vertical axis Z between a lower end and a upper edge. Car 10 furthermore comprises a horizontal roof 16 connecting the upper edges of the four walls, and a floor (not shown in the figure) connecting the lower ends of the four walls.

Le pavillon 16 est réalisé en un matériau métallique, par exemple en aluminium.The pavilion 16 is made of a metallic material, for example aluminum.

Le pavillon 16 comprend une surface supérieure 18 et une surface inférieure (non-représentée sur la figure).The pavilion 16 comprises an upper surface 18 and a lower surface (not shown in the figure).

La surface supérieure 18 comporte au moins un rail de fixation 22 sur lequel des éléments de fixation sont destinés à être fixés. Les rails de fixation 22 sont disposés sensiblement parallèlement l'un de l'autre, et s'étendent de préférence tout le long du pavillon 16 selon l'axe longitudinal X.The upper surface 18 comprises at least one fixing rail 22 on which fixing elements are intended to be fixed. The fixing rails 22 are arranged substantially parallel to one another, and preferably extend all along the length of the roof 16 along the longitudinal axis X.

La voiture 10 comporte également un coffre 24 monté sur la surface supérieure 18 du pavillon 16, et au moins un support primaire 26 interposé entre le coffre 24 et le pavillon 16 pour supporter le coffre 24.The car 10 also includes a trunk 24 mounted on the upper surface 18 of the roof 16, and at least one primary support 26 interposed between the trunk 24 and the roof 16 to support the trunk 24.

Le coffre 24 est par exemple adapté pour loger des équipements électroniques. Dans une variante, le coffre 24 est adapté pour loger des composants de ventilation et/ou de climatisation.The chest 24 is for example suitable for housing electronic equipment. In a variant, the box 24 is adapted to house ventilation and / or air conditioning components.

Le coffre 24 est susceptible d'être déplacé entre une position de repos lorsque le pavillon 16 ne présente pas d'affaissement, et une pluralité de positions baissées lorsque le pavillon 16 présente l'affaissement.The trunk 24 is capable of being moved between a rest position when the flag 16 does not have sagging, and a plurality of lowered positions when the flag 16 has sagging.

Le coffre 24 comporte quatre flancs verticaux 28 s'étendant chacun dans la direction verticale Z entre une extrémité inférieure et une extrémité supérieure, une paroi inférieure 30 horizontale reliant les extrémités inférieures des quatre flancs 28, et une paroi supérieure 32 horizontale reliant les extrémités supérieures des quatre flancs 28.The box 24 has four vertical sides 28 each extending in the vertical direction Z between a lower end and an upper end, a horizontal lower wall 30 connecting the lower ends of the four sides 28, and a horizontal upper wall 32 connecting the upper ends. of the four flanks 28.

Parmi les quatre flancs verticaux 28, deux flancs verticaux dits longitudinaux s'étendent dans un plan parallèle à la direction verticale Z et à la direction longitudinale X. Chaque flanc vertical longitudinal s'étend parallèlement à la direction longitudinale X entre deux extrémités longitudinales.Among the four vertical flanks 28, two so-called longitudinal vertical flanks extend in a plane parallel to the vertical direction Z and to the longitudinal direction X. Each longitudinal vertical flank extends parallel to the longitudinal direction X between two longitudinal ends.

La paroi inférieure 30 comporte une partie périphérique 34 et une partie centrale 36.The lower wall 30 has a peripheral part 34 and a central part 36.

Les supports primaires 26 sont disposés dans la partie périphérique 34 du coffre 24. Les supports primaires 26 sont adaptés pour soutenir le poids du coffre 24.The primary supports 26 are arranged in the peripheral part 34 of the box 24. The primary supports 26 are adapted to support the weight of the box 24.

Dans la configuration préférée, comme représenté sur la figure 1, la voiture 10 comporte deux supports primaires 26 sur chaque flanc 28 longitudinal. Plus particulièrement, chaque flanc 28 longitudinal porte un support primaire 26 à chacune de ses extrémités longitudinales.In the preferred configuration, as shown in figure 1 , the car 10 has two primary supports 26 on each longitudinal side 28. More particularly, each longitudinal sidewall 28 carries a primary support 26 at each of its longitudinal ends.

Chaque support primaire 26 est fixé, d'une part, à l'un des rails de fixation 22 par un premier élément de fixation 38, et d'autre part, à l'un des flancs verticaux 28.Each primary support 26 is fixed, on the one hand, to one of the fixing rails 22 by a first fixing element 38, and on the other hand, to one of the vertical sides 28.

Le premier élément de fixation 38 comporte par exemple un système de vis-écrou.The first fixing element 38 comprises for example a screw-nut system.

Dans la configuration préférée, la voiture 10 comporte également une plaque de protection 40 pour chaque support primaire 26. La plaque de protection 40 est disposée sur le pavillon 16 entre deux rails de fixation 22. La plaque de protection 40 entoure le support primaire 26 correspondant. La plaque de protection 40 est notamment destinée à isoler thermiquement le rail de fixation 22 en épousant la forme du support primaire 26.In the preferred configuration, the car 10 also has a protection plate 40 for each primary support 26. The protection plate 40 is arranged. on the roof 16 between two fixing rails 22. The protection plate 40 surrounds the primary support 26 corresponding. The protection plate 40 is intended in particular to thermally insulate the fixing rail 22 by matching the shape of the primary support 26.

La voiture 10 comporte également au moins un support secondaire 42 interposé entre le coffre 24 et le pavillon 16. Le support secondaire 42 est adapté, en cas d'affaissement du pavillon 16 dans la zone des supports primaires 26, pour soutenir le poids du coffre 24.The car 10 also includes at least one secondary support 42 interposed between the trunk 24 and the roof 16. The secondary support 42 is adapted, in the event of the roof 16 sagging in the area of the primary supports 26, to support the weight of the trunk. 24.

En référence à la figure 2, les supports secondaires 42 sont disposé dans la partie centrale 36 de la paroi inférieure 30. Dans la configuration préférée, la voiture 10 comporte deux supports secondaires 42 disposés de manière symétrique par rapport à un plan de symétrie du pavillon 16, parallèle à la direction verticale Z et à la direction longitudinale X.With reference to the figure 2 , the secondary supports 42 are arranged in the central part 36 of the lower wall 30. In the preferred configuration, the car 10 comprises two secondary supports 42 arranged symmetrically with respect to a plane of symmetry of the roof 16, parallel to the steering vertical Z and the longitudinal direction X.

Les supports secondaires 42 sont réalisés en un matériau qui présente une température de fusion plus haute que celle des supports primaires 26. Ils sont par exemple réalisés en inox.The secondary supports 42 are made of a material which has a higher melting point than that of the primary supports 26. They are for example made of stainless steel.

L'épaisseur des supports secondaires 42 est comprise entre 1 mm et 10 mm, notamment entre 2 mm et 8 mm, et est de préférence égale à 4 mm.The thickness of the secondary supports 42 is between 1 mm and 10 mm, in particular between 2 mm and 8 mm, and is preferably equal to 4 mm.

Chaque support secondaire 42 est fixé sur le pavillon 16 par un deuxième élément de fixation 44 respectif. Chaque deuxième élément de fixation 44 comporte par exemple un système de vis-écrou, et peut être identique ou différent du premier élément de fixation 38.Each secondary support 42 is fixed to the roof 16 by a respective second fixing element 44. Each second fixing element 44 comprises for example a screw-nut system, and may be identical or different from the first fixing element 38.

Chaque support secondaire 42 présente une forme en « U », l'ouverture de « U » de chaque support secondaire étant orientée à l'opposé de l'autre support secondaire. Dans une variante, les ouvertures de « U » des supports secondaires 42 sont disposées l'un en regard de l'autre.Each secondary support 42 has a "U" shape, the "U" opening of each secondary support being oriented away from the other secondary support. In a variant, the “U” openings of the secondary supports 42 are arranged one opposite the other.

Il comporte un rebord inférieur 46, un rebord supérieur 48, et une paroi verticale 50 reliant lesdits rebords inférieur 46 et supérieur 48.It comprises a lower rim 46, an upper rim 48, and a vertical wall 50 connecting said lower 46 and upper 48 rims.

Le rebord inférieur 46 est fixé au pavillon 16 par le deuxième élément de fixation 44.The lower rim 46 is fixed to the roof 16 by the second fastening element 44.

Le rebord supérieur 48 est disposé en regard du coffre 24. Il est disposé sensiblement en parallèle au rebord inférieur 46.The upper rim 48 is arranged opposite the trunk 24. It is arranged substantially parallel to the lower rim 46.

Le rebord supérieur 48 présente une forme sensiblement identique à celle du rebord inférieure 46. Dans la configuration préférée, le rebord supérieur 48 présente les mêmes dimensions que le rebord inférieur 46.The upper rim 48 has a shape substantially identical to that of the lower rim 46. In the preferred configuration, the upper rim 48 has the same dimensions as the lower rim 46.

La paroi verticale 50 du support secondaire 42 présente, dans la direction verticale Z, une hauteur inférieure à la distance entre le coffre 24 et le pavillon 16 lorsque le pavillon 16 est en position de repos. En d'autres termes, lorsque le pavillon 16 occupe sa position de repos, un écartement vertical 52 se présente entre la paroi inférieure 30 et le rebord supérieur 48.The vertical wall 50 of the secondary support 42 has, in the vertical direction Z, a height less than the distance between the box 24 and the roof 16 when the flag 16 is in the rest position. In other words, when the flag 16 occupies its rest position, a vertical spacing 52 occurs between the lower wall 30 and the upper rim 48.

Le support secondaire 42 comporte en outre au moins une nervure de renforts 54 faisant saillie perpendiculairement à partir de la paroi verticale 50, et s'étend sensiblement sur toute la largeur transversale des rebords inférieur et supérieur 46, 48. Les nervures de renforts 54 sont propres à renforcer la structure du support secondaire 42 dans la direction verticale Z.The secondary support 42 further comprises at least one reinforcing rib 54 projecting perpendicularly from the vertical wall 50, and extends substantially over the entire transverse width of the lower and upper flanges 46, 48. The reinforcing ribs 54 are suitable for reinforcing the structure of the secondary support 42 in the vertical direction Z.

Dans la configuration préférée, comme visible sur la figure 2, le support secondaire 42 comporte deux nervures de renforts 54.In the preferred configuration, as seen on the figure 2 , the secondary support 42 comprises two reinforcing ribs 54.

Dans une variante, la voiture 10 comporte en outre une bande 56 thermiquement isolante disposée sur la surface supérieure du rebord supérieur 48 en regard du coffre 24. La bande isolante 56 est propre à réduire le transfert de la chaleur entre le coffre 24 et les supports secondaires 42. Lorsque le coffre 24 est en position de repos, la bande isolante 56 est à l'écart de la paroi inférieure 30 du coffre 24.In a variant, the car 10 further comprises a thermally insulating strip 56 disposed on the upper surface of the upper rim 48 facing the trunk 24. The insulating strip 56 is suitable for reducing the transfer of heat between the trunk 24 and the supports. secondary 42. When the box 24 is in the rest position, the insulating strip 56 is away from the lower wall 30 of the box 24.

Le fonctionnement du dispositif selon l'invention est décrit ci-dessous.The operation of the device according to the invention is described below.

Lorsqu'il n'y a pas d'affaissement du pavillon 16, le pavillon 16 est en position de repos. Le coffre 24 est soutenu par les supports primaires 26, et est à l'écart des supports secondaires 42.When there is no sagging of the flag 16, the flag 16 is in the rest position. The trunk 24 is supported by the primary supports 26, and is away from the secondary supports 42.

Lorsqu'il y a une augmentation importante de la température à proximité du pavillon 16, due par exemple à la présence d'un feu, les supports primaires 26 sont exposés à la chaleur. Etant réalisés en matériau métallique, les supports primaires 26 transfèrent de la chaleur vers le pavillon 16 et ainsi le réchauffent.When there is a significant increase in temperature near the pavilion 16, due for example to the presence of a fire, the primary supports 26 are exposed to heat. Being made of a metallic material, the primary supports 26 transfer heat to the pavilion 16 and thus heat it up.

Le pavillon 16 est réalisé en aluminium qui présente une température de fusion à 660°C. Lorsque la température à proximité des supports primaires 26 du coffre 24 s'approche de cette température de fusion, le pavillon 16 se ramollit, et s'affaisse sous l'effet du poids du coffre 24 à proximité des supports primaires 26.The pavilion 16 is made of aluminum which has a melting point of 660 ° C. When the temperature near the primary supports 26 of the box 24 approaches this melting temperature, the roof 16 softens and collapses under the effect of the weight of the box 24 near the primary supports 26.

Le coffre 24 commence donc à descendre, et la paroi inférieure 30 s'approche des supports secondaires 42. Ce faisant, l'écartement vertical 52 diminue jusqu'à ce que le coffre 24 entre en contact avec les rebords supérieurs 48.The box 24 therefore begins to descend, and the lower wall 30 approaches the secondary supports 42. In doing so, the vertical distance 52 decreases until the box 24 comes into contact with the upper edges 48.

Les supports secondaires 42 étant moins exposés à la chaleur et notamment au rayonnement, la partie du pavillon 16 à leurs proximités reste solide et apte à soutenir le poids du coffre 24. Ainsi, les rebords supérieurs 48 exercent une force supportrice sur le coffre 24, et la descente du coffre 24 est arrêtée.The secondary supports 42 being less exposed to heat and in particular to radiation, the part of the pavilion 16 in their proximity remains solid and capable of supporting the weight of the box 24. Thus, the upper edges 48 exert a supporting force on the box 24, and the descent of the trunk 24 is stopped.

Grâce à l'invention décrite ci-dessus, les risques qu'une brèche soit créée sur le pavillon 16 suite à un incendie et que des flammes passent par l'ouverture sont réduits, ce qui offre une meilleure sécurité aux passagers.Thanks to the invention described above, the risks of a breach being created on the pavilion 16 following a fire and of flames passing through the opening are reduced, which offers better safety to the passengers.

De plus, l'invention permet d'obtenir une fixation du coffre 24 plus solide lors d'un incendie et rend la voiture plus fiable.In addition, the invention makes it possible to obtain a stronger attachment of the trunk 24 during a fire and makes the car more reliable.

Claims (8)

  1. Railway vehicle car (10), comprising:
    - a roof (16),
    - a box (24) mounted on the roof (16),
    - a least one primary box (24) support (26), inserted between the box (24) and the roof (16), said primary support (26) being arranged in a peripheral part (34) of the box (24) and being suitable for bearing the weight of the box (24),
    characterized in that it includes at least one secondary support (42) inserted between the box (24) and the roof (16), the secondary support (42) being arranged in a central part (36) of the box (24) and being able to bear the weight of the box (24) in case of collapse of the roof (16) in the location of said primary support (26).
  2. Railway vehicle car (10) according to claim 1, wherein the secondary support (42) is made from a material having a melting temperature higher than that of the primary support (26).
  3. Railway vehicle car (10) according to claim 1 or 2, wherein the secondary support (42) is made from stainless steel.
  4. Railway vehicle car (10) according to any one of claims 1 to 3, including a strip (56) of thermally insulating material inserted between the secondary support (42) and the box (24).
  5. Railway vehicle car (10) according to any one of claims 1 to 4, wherein a vertical space (52) is arranged between the secondary support (42) and the box (24) when the roof (16) has no collapse.
  6. Railway vehicle car (10) according to any one of claims 1 to 5, wherein the roof (16) includes fastening rails (22), each primary support (26) being fastened on one of the fastening rails (22).
  7. Railway vehicle car (10) according to claim 6, wherein each secondary support (42) is fastened to at least one of the fastening rails (22).
  8. Railway vehicle car (10) according to any one of claims 1 to 7, wherein each secondary support (42) has a U shape defined by a lower rim (46) fastened to the roof (16), an upper rim (48) arranged facing the box (24), and a vertical wall (50) connecting the lower (46) and upper (48) rims, the secondary support (42) including reinforcing ribs (54) inside it, connecting the lower (46) and upper (48) rims and extending perpendicular to the vertical wall (50).
EP19211245.6A 2018-11-26 2019-11-25 Railway vehicle car Active EP3656633B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1871840A FR3088886B1 (en) 2018-11-26 2018-11-26 Rail vehicle car

Publications (2)

Publication Number Publication Date
EP3656633A1 EP3656633A1 (en) 2020-05-27
EP3656633B1 true EP3656633B1 (en) 2021-02-24

Family

ID=65951736

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Application Number Title Priority Date Filing Date
EP19211245.6A Active EP3656633B1 (en) 2018-11-26 2019-11-25 Railway vehicle car

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US (1) US20200164901A1 (en)
EP (1) EP3656633B1 (en)
ES (1) ES2870575T3 (en)
FR (1) FR3088886B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021214851A1 (en) 2021-12-21 2023-06-22 Siemens Mobility GmbH Arrangement and method of fixing a scaffold

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318350A (en) * 1979-12-03 1982-03-09 The Budd Company Overhead wiring arrangement for a railway car
US20120193493A1 (en) * 2011-02-01 2012-08-02 Klaus Rekasch Rail vehicle having an installation housing secured by means of a bracket
DE102013218772B3 (en) * 2013-09-19 2015-02-05 Siemens Aktiengesellschaft Mounting arrangement for connecting a device container to a rail vehicle roof and thus equipped rail vehicle
DE102014206462A1 (en) * 2014-04-03 2015-10-08 Bombardier Transportation Gmbh Car body for a rail vehicle with specially designed support member for a roof
FR3050726B1 (en) * 2016-04-29 2018-05-25 Alstom Transport Technologies TRUNK FOR ELECTRICAL EQUIPMENT AND RAILWAY VEHICLE COMPRISING SUCH A BOX

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FR3088886A1 (en) 2020-05-29
ES2870575T3 (en) 2021-10-27
US20200164901A1 (en) 2020-05-28
EP3656633A1 (en) 2020-05-27
FR3088886B1 (en) 2020-12-11

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