EP2100791A1 - Rail vehicle chassis equipped with thermal insulation panels - Google Patents

Rail vehicle chassis equipped with thermal insulation panels Download PDF

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Publication number
EP2100791A1
EP2100791A1 EP09154653A EP09154653A EP2100791A1 EP 2100791 A1 EP2100791 A1 EP 2100791A1 EP 09154653 A EP09154653 A EP 09154653A EP 09154653 A EP09154653 A EP 09154653A EP 2100791 A1 EP2100791 A1 EP 2100791A1
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EP
European Patent Office
Prior art keywords
rail
rails
railway vehicle
vehicle chassis
sheet
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.)
Granted
Application number
EP09154653A
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German (de)
French (fr)
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EP2100791B1 (en
Inventor
Marin Druart
Pascal Roze
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Alstom Transport Technologies SAS
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Alstom Transport SA
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Application filed by Alstom Transport SA filed Critical Alstom Transport SA
Publication of EP2100791A1 publication Critical patent/EP2100791A1/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
    • B61D17/10—Floors
    • 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
    • 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
    • B61D17/18—Internal lining, e.g. insulating
    • B61D17/185—Internal lining, e.g. insulating for sound insulating

Definitions

  • the present invention relates to a railway vehicle chassis of the type comprising a lower surface intended to receive equipment extending under said chassis, said lower surface comprising at least two longitudinal rails for fastening equipment, said rails being spaced in the transverse direction and being adapted to receive fastening means, at least one thermal insulation panel extending between said rails against the lower surface of the frame.
  • the invention also relates to a railway vehicle comprising such a chassis.
  • the lower surface of the chassis of a railway vehicle shall be protected against fire in order to preserve the passenger space extending above the chassis in the event of fire under the railway vehicle, for example caused by equipment arranged under the frame.
  • a thermal insulation material is generally applied against the lower surface of the frame and fixed thereto.
  • the insulation material is held against the lower surface of the frame by means of sheets riveted against the frame under the material and then fastening means are added under said panels to allow the attachment of equipment under the frame of the railway vehicle.
  • fastening means are added under said panels to allow the attachment of equipment under the frame of the railway vehicle.
  • the lower surface of the chassis further comprises rails for attachment of equipment under the chassis of the railway vehicle.
  • This equipment is for example cable ducts, pipes or chests attached to the rails by fastening means such as screws and bolts.
  • Another solution for applying an insulating material against the lower surface of the chassis is to provide additional rails in the vicinity of the equipment mounting rails under the frame and thermal insulation panels are arranged against the lower surface between the rails and are fixed for example by clips, inserted into the additional rails. These clips comprise means for holding the insulation panels adjacent to the rails.
  • One of the objectives of the invention is to overcome these disadvantages by proposing a railway vehicle chassis of the aforementioned type, in which the fixing of thermal insulation panels is done in a simple manner and without adding a large number of fixing means nor greatly increase the mass reported on the railway vehicle.
  • the invention relates to a railway vehicle chassis of the aforementioned type, in which said panel is fixed against the frame by two plates fixed respectively to one of the rails, each sheet comprising means for fixing the insulation board, said sheet metal being fixed by a fixing means against the equipment attachment rail.
  • the invention also relates to a rail vehicle comprising a frame, as described above, provided with thermal insulation panels.
  • the terms “longitudinal” and “transverse” are defined according to the usual directions of a mounted railway vehicle, that is, the term “longitudinal” refers to the length of the vehicle and the term “ transverse "to the width.
  • a rail vehicle chassis 1 intended to extend under the vehicle compartment.
  • the frame 1 comprises a lower surface 2 on which are fixed equipment 4, such as cable ducts, pipes, chests, etc..
  • a plurality of rails 6 are integrated on the lower surface 2 of the frame 1. These rails 6 extend in the longitudinal direction, for example the entire length of the railway vehicle, and are spaced apart. from each other in the transverse direction, as shown on the figure 1 .
  • Each equipment 4 is attached to two or three adjacent rails 6, as shown in FIGS. figures 1 and 2 by fixing means 8 provided in each rail.
  • Each fastening means 8 comprises for example a screw 10 inserted into a groove 12 of a rail 6 and retained therein and a nut 14 screwed onto said screw 10.
  • Each screw 10 passes through a fastening surface 16 of a device 4 and the nut 14 is screwed on the other side of the fastening surface 16 to the screw 10 in order to clamp the equipment 4 against the rail 6.
  • a plurality of thermal insulation panels 18 are disposed against the lower surface 2. Each panel 18 extends between two adjacent rails 6 and the plurality of panels is arranged to cover the entire lower surface 2 except at the locations of the rails 6. Each panel 18 is for example made of several layers of thermal insulation material. Such materials are known to those skilled in the art and the panels 18 comply with the specifications required on the territories on which the railway vehicle must circulate.
  • the upper surface of each panel 18, i.e. that which is applied against the lower surface 2 is coated with at least two double-sided adhesive tapes to allow positioning and holding of the panels 18 against the bottom surface 2 before their final fixation.
  • the adhesive strips are for example made of an intumescent material. The adhesive strips are positioned on the edges of the panels 18 in the vicinity of the rails 6.
  • Each panel 18 is further secured by two sheets 22, each attached to a rail 6 to which the panel 18 is adjacent.
  • Each sheet extends for example over the entire length of a rail 6 or several sheets 22 are arranged one after the other to cover the rail 6.
  • the plate 22 comprises a fastening surface 24 extending against the rail 6 and covering the groove 12.
  • the fastening surface 24 is provided with a plurality of oblong orifices 26 distributed along the length of the fastening surface 24 and arranged next to the groove 12. These orifices 26 allow the passage of the fastening means 8 to secure the sheet 22 against the rail 6.
  • the screw 10 through an orifice 26 and the nut 14 is tightened to maintain the sheet.
  • the fastening surface 24 is clamped between the rail 6 and the attachment surface 16 of the equipment 4.
  • the same fastening means 8 allows the attachment of a sheet 22 and equipment 4.
  • a fastening means 8 such as that described above still allows to ensure the attachment of the sheet 22.
  • the position of the fixing surface 24 does not have to be very precise with respect to the equipment 4 because of the oblong shape of the orifice 26.
  • Each sheet 22 is fixed at different points of the rail 6 by a plurality of fastening means 8 serving whether or not to attach equipment 4.
  • the sheet 22 further comprises a holding surface 28 applied against the insulating panel 18 adjacent to the rail 6 on which the sheet 22 is fixed.
  • This holding surface 28 bears against the edge of the lower surface of the panel 20 in order to hold it against the lower surface 2 of the frame 1.
  • the panel 18 is held along its transverse edges by two holding surfaces 28 each belonging to a sheet 22 fixed to a rail 6 adjacent to said panel 18.
  • the holding surface 28 is connected to the attachment surface 24 by an inclined surface 30. This inclined surface 30 is arranged to fill the difference in height between the rail 6 and the lower surface of the panel 18, as shown in FIG. figure 2 .
  • a sheet 22 comprising two holding surfaces 28 arranged on either side of the fastening surface 24.
  • the sheet 22 serves to maintain two panels 18 at a time.
  • the plates 22 are equipped, on the side of the equipment receiving 4, the right of the orifices 26 and between the passage points of a fastening means 8, strips of an intumescent material to complete the insulation thermal.
  • the intumescent strips are glued to the sheets 22 and easily cut to facilitate the positioning of the fastening means 8.
  • the sheet 22 is of small thickness to limit the added mass on the frame 1. This thickness is for example substantially between 0.3 mm and 0.5 mm.
  • the chassis described above makes it possible to fix thermal insulation panels by using the same fastening means as those used to fix equipment under the chassis.
  • the mass added under the chassis is thus small. This mass is further limited by the small dimensions of the sheets 22 which do not need to cover the entire lower surface of the panels 18 and which are thin.
  • this chassis has a continuity of thermal insulation over its entire lower surface to provide optimum protection of the compartment extending above the frame.
  • This mounting principle further allows the mounting of insulation boards 18 of different thickness to adapt the insulation performance according to different requirements, simply by changing the profile of the sheets 22.

Abstract

The chassis (1) has a lower surface (2) for receiving equipments (4) e.g. wiring duct, extending under the chassis. The surface comprises fixation rails (6) for fixing the equipments, where the rails are spaced along transverse direction and receive a fixing unit (8). A heat insulation panel (18) extends between the rails against the surface. The panel is fixed against the chassis by sheets (22) respectively fixed to the rails. Each sheet has a fixation unit for fixing the panel, and is fixed against the rails by the fixing unit (8). Intumescent adhesive strips (20) are glued to the sheets.

Description

La présente invention concerne un châssis de véhicule ferroviaire du type comprenant une surface inférieure destinée à recevoir des équipements s'étendant sous ledit châssis, ladite surface inférieure comprenant au moins deux rails longitudinaux de fixation d'équipements, lesdits rails étant espacés selon la direction transversale et étant aptes à recevoir des moyens de fixation, au moins un panneau d'isolation thermique s'étendant entre lesdits rails contre la surface inférieure du châssis.The present invention relates to a railway vehicle chassis of the type comprising a lower surface intended to receive equipment extending under said chassis, said lower surface comprising at least two longitudinal rails for fastening equipment, said rails being spaced in the transverse direction and being adapted to receive fastening means, at least one thermal insulation panel extending between said rails against the lower surface of the frame.

L'invention concerne également un véhicule ferroviaire comprenant un tel châssis.The invention also relates to a railway vehicle comprising such a chassis.

La surface inférieure du châssis d'un véhicule ferroviaire doit être protégé contre le feu afin de préserver l'espace voyageur s'étendant au-dessus du châssis en cas d'incendie sous le véhicule ferroviaire, par exemple provoqué par des équipements disposés sous le châssis. A cet effet, un matériau d'isolation thermique est généralement appliqué contre la surface inférieure du châssis et fixés à celui-ci.The lower surface of the chassis of a railway vehicle shall be protected against fire in order to preserve the passenger space extending above the chassis in the event of fire under the railway vehicle, for example caused by equipment arranged under the frame. For this purpose, a thermal insulation material is generally applied against the lower surface of the frame and fixed thereto.

Selon une solution, le matériau d'isolation est maintenu contre la surface inférieure du châssis au moyen de tôles rivetées contre le châssis sous le matériau puis on ajoute des moyens de fixation sous lesdits panneaux afin de permettre la fixation d'équipements sous le châssis du véhicule ferroviaire. Cependant une telle solution n'est pas satisfaisante car elle nécessite un ajout de masse important sur le véhicule ferroviaire ainsi qu'un temps de mise en oeuvre conséquent.According to a solution, the insulation material is held against the lower surface of the frame by means of sheets riveted against the frame under the material and then fastening means are added under said panels to allow the attachment of equipment under the frame of the railway vehicle. However, such a solution is not satisfactory because it requires a significant addition of mass on the rail vehicle and a consequent implementation time.

Dans certains véhicules ferroviaires, la surface inférieure du châssis comprend en outre des rails permettant la fixation d'équipements sous le châssis du véhicule ferroviaire. Ces équipements sont par exemple des goulottes de câblage, des tuyauteries ou des coffres fixés aux rails par des moyens de fixation du type vis et boulons.In some railway vehicles, the lower surface of the chassis further comprises rails for attachment of equipment under the chassis of the railway vehicle. This equipment is for example cable ducts, pipes or chests attached to the rails by fastening means such as screws and bolts.

Une autre solution pour appliquer un matériau isolant contre la surface inférieure du châssis consiste à prévoir des rails supplémentaires au voisinage des rails de fixation des équipements sous le châssis et des panneaux d'isolation thermique sont disposés contre la surface inférieure entre les rails et sont fixés, par exemple par des clips, insérés dans les rails supplémentaires. Ces clips comprennent des moyens de maintien des panneaux d'isolation adjacents aux rails.Another solution for applying an insulating material against the lower surface of the chassis is to provide additional rails in the vicinity of the equipment mounting rails under the frame and thermal insulation panels are arranged against the lower surface between the rails and are fixed for example by clips, inserted into the additional rails. These clips comprise means for holding the insulation panels adjacent to the rails.

Cependant, de tels rails supplémentaires ajoutent des masses sur le véhicule ferroviaire et rendent la construction plus compliquée. En outre, il faut prévoir des moyens de fixation des panneaux d'isolation thermique et des moyens de fixation des équipements sous le châssis. Ainsi, le nombre de moyens de fixation est grandement augmenté. En outre, ces moyens de fixation ne permettent pas d'assurer une continuité de l'isolation thermique de la surface inférieure du châssis.However, such additional rails add masses to the railway vehicle and make the construction more complicated. In addition, there must be means for fixing the thermal insulation panels and means for fixing the equipment under the frame. Thus, the number of fastening means is greatly increased. In addition, these fastening means do not allow to ensure continuity of the thermal insulation of the lower surface of the frame.

L'un des objectifs de l'invention est de pallier ces inconvénients en proposant un châssis de véhicule ferroviaire du type précité, dans lequel la fixation de panneaux d'isolation thermique se fait de manière simple et sans ajouter un grand nombre de moyens de fixation ni augmenter grandement la masse rapportée sur le véhicule ferroviaire.One of the objectives of the invention is to overcome these disadvantages by proposing a railway vehicle chassis of the aforementioned type, in which the fixing of thermal insulation panels is done in a simple manner and without adding a large number of fixing means nor greatly increase the mass reported on the railway vehicle.

A cet effet, l'invention concerne un châssis de véhicule ferroviaire du type précité, dans lequel ledit panneau est fixé contre le châssis par deux tôles fixées respectivement à un des rails, chaque tôle comprenant des moyens de fixation du panneau d'isolation, ladite tôle étant fixée par un moyen de fixation contre le rail de fixation d'équipements .For this purpose, the invention relates to a railway vehicle chassis of the aforementioned type, in which said panel is fixed against the frame by two plates fixed respectively to one of the rails, each sheet comprising means for fixing the insulation board, said sheet metal being fixed by a fixing means against the equipment attachment rail.

Selon d'autres caractéristiques du châssis :

  • le châssis de véhicule ferroviaire comprend un équipement fixé contre les rails par les moyens de fixation fixant la tôle, chaque tôle étant pincée entre le rail et ledit équipement ;
  • les moyens de fixation du panneau d'isolation thermique comprennent une surface de maintien s'étendant de la tôle et appliquée contre le panneau d'isolation thermique ;
  • le rail comprend une rainure de passage des moyens de fixation, la tôle comprenant une surface de fixation recouvrant le rail, ladite surface comprenant au moins un orifice disposé en regard de la rainure du rail, le moyen de fixation traversant ledit orifice ;
  • la tôle comprend un matériau d'isolation thermique et intumescent disposé sur le côté de la tôle destiné à faire face à un équipement, au droit des orifices et entre les points de passage d'un moyen de fixation ;
  • le panneau d'isolation comprend au moins deux bandes adhésives double faces en matériau intumescent disposées entre le panneau d'isolation et la surface inférieure du châssis, les bandes adhésives étant positionnées sur les bords des panneaux au voisinage des rails ;
  • la tôle comprend une surface inclinée s'étendant entre la surface de maintien et la surface de fixation ;
  • l'orifice de la surface de fixation présente une forme sensiblement oblongue ;
  • le moyen de fixation comprend une vis disposée dans la rainure, ladite vis recevant un écrou, ledit écrou serrant la tôle contre le rail ;
  • au moins une tôle comprend deux surfaces de maintien de sorte à permettre le maintien de deux panneaux d'isolation disposés de part et d'autre d'un rail ;
  • la tôle et le rail auquel elle est fixée présentent sensiblement une longueur égale, la surface de fixation comprenant une pluralité d'orifices répartis le long dudit rail ; et
  • le châssis de véhicule ferroviaire comprend plus de deux rails, lesdits rails étant espacés selon la direction transversale, un panneau d'isolation thermique étant disposé entre chaque rail, chaque panneau étant fixé contre le châssis par deux tôles fixées chacune à un rail .
According to other characteristics of the chassis:
  • the rail vehicle chassis comprises equipment fixed against the rails by the fixing means fixing the sheet, each plate being clamped between the rail and said equipment;
  • the securing means of the thermal insulation panel comprise a holding surface extending from the sheet and applied against the thermal insulation panel;
  • the rail comprises a groove for passing the fastening means, the sheet comprising a fastening surface covering the rail, said surface comprising at least one orifice arranged facing the groove of the rail, the fastening means passing through said orifice;
  • the sheet comprises a heat-insulating and intumescent material disposed on the side of the sheet intended to face an equipment, the right of the orifices and between the passage points of a fastening means;
  • the insulation panel comprises at least two double-sided adhesive strips of intumescent material disposed between the insulation board and the lower surface of the frame, the adhesive strips being positioned on the edges of the panels in the vicinity of the rails;
  • the sheet comprises an inclined surface extending between the holding surface and the attachment surface;
  • the orifice of the fastening surface has a substantially oblong shape;
  • the fastening means comprises a screw disposed in the groove, said screw receiving a nut, said nut clamping the sheet against the rail;
  • at least one sheet comprises two holding surfaces so as to allow the maintenance of two insulation panels arranged on either side of a rail;
  • the sheet and the rail to which it is attached have substantially an equal length, the fixing surface comprising a plurality of orifices distributed along said rail; and
  • the rail vehicle chassis comprises more than two rails, said rails being spaced in the transverse direction, a thermal insulation panel being disposed between each rail, each panel being fixed against the frame by two sheets each fixed to a rail.

L'invention concerne également un véhicule ferroviaire comprenant un châssis, tel que décrit ci-dessus, pourvu de panneaux d'isolation thermique.The invention also relates to a rail vehicle comprising a frame, as described above, provided with thermal insulation panels.

D'autres aspects et avantages de l'invention apparaîtront au cours de la description qui suit, donnée à titre d'exemple et faite en référence aux dessins annexés, dans lesquels :

  • la figure 1 est une représentation schématique en coupe transversale d'un châssis de véhicule ferroviaire selon l'invention,
  • la figure 2 est un agrandissement d'une partie de la figure 1.
Other aspects and advantages of the invention will become apparent from the description which follows, given by way of example and with reference to the appended drawings, in which:
  • the figure 1 is a schematic cross-sectional representation of a railway vehicle chassis according to the invention,
  • the figure 2 is an enlargement of part of the figure 1 .

Dans la description, les termes « longitudinal » et « transversal » sont définis selon les directions usuelles d'un véhicule ferroviaire monté, c'est-à-dire que le terme « longitudinal » se réfère à la longueur du véhicule et le terme « transversal » à la largeur.In the description, the terms "longitudinal" and "transverse" are defined according to the usual directions of a mounted railway vehicle, that is, the term "longitudinal" refers to the length of the vehicle and the term " transverse "to the width.

En référence à la figure 1, on décrit un châssis 1 de véhicule ferroviaire destiné à s'étendre sous le compartiment du véhicule.With reference to the figure 1 , there is described a rail vehicle chassis 1 intended to extend under the vehicle compartment.

Le châssis 1 comprend une surface inférieure 2 sur laquelle sont fixés des équipements 4, tels que des goulottes de câblage ,des tuyauteries ,des coffres, etc.The frame 1 comprises a lower surface 2 on which are fixed equipment 4, such as cable ducts, pipes, chests, etc..

Afin d'assurer la fixation des équipements 4, une pluralité de rails 6 sont intégrés sur la surface inférieure 2 du châssis 1. Ces rails 6 s'étendent selon la direction longitudinale, par exemple sous toute la longueur du véhicule ferroviaire, et sont espacés les uns des autres selon la direction transversale, comme représenté sur la figure 1. Chaque équipement 4 est fixé à deux ou trois rails 6 adjacents, comme représenté sur les figures 1 et 2 par des moyens de fixation 8 prévus dans chaque rail.In order to secure the equipment 4, a plurality of rails 6 are integrated on the lower surface 2 of the frame 1. These rails 6 extend in the longitudinal direction, for example the entire length of the railway vehicle, and are spaced apart. from each other in the transverse direction, as shown on the figure 1 . Each equipment 4 is attached to two or three adjacent rails 6, as shown in FIGS. figures 1 and 2 by fixing means 8 provided in each rail.

Chaque moyen de fixation 8 comprend par exemple une vis 10 insérée dans une rainure 12 d'un rail 6 et retenue dans celui-ci et un écrou 14 vissé sur ladite vis 10. Chaque vis 10 traverse une surface de fixation 16 d'un équipement 4 et l'écrou 14 est vissé de l'autre côté de la surface de fixation 16 sur la vis 10 afin de serrer l'équipement 4 contre le rail 6.Each fastening means 8 comprises for example a screw 10 inserted into a groove 12 of a rail 6 and retained therein and a nut 14 screwed onto said screw 10. Each screw 10 passes through a fastening surface 16 of a device 4 and the nut 14 is screwed on the other side of the fastening surface 16 to the screw 10 in order to clamp the equipment 4 against the rail 6.

Une pluralité de panneaux d'isolation thermique 18 est disposée contre la surface inférieure 2. Chaque panneau 18 s'étend entre deux rails 6 adjacents et la pluralité de panneaux est agencée pour recouvrir toute la surface inférieure 2 sauf aux emplacements des rails 6. Chaque panneau 18 est par exemple constitué de plusieurs couches de matériau d'isolation thermique. De tels matériaux sont connus de l'homme du métier et les panneaux 18 sont conformes aux régulations spécifications exigées sur les territoires sur lequel le véhicule ferroviaire doit circuler. La surface supérieure de chaque panneau 18, c'est-à-dire celle qui est appliquée contre la surface inférieure 2, est revêtue d'au moins deux bandes adhésives 20 double faces afin de permettre un positionnement et un maintien des panneaux 18 contre la surface inférieure 2 avant leur fixation définitive. Les bandes adhésives sont par exemple réalisées en un matériau intumescent. Les bandes adhésives sont positionnées sur les bords des panneaux 18 au voisinage des rails 6.A plurality of thermal insulation panels 18 are disposed against the lower surface 2. Each panel 18 extends between two adjacent rails 6 and the plurality of panels is arranged to cover the entire lower surface 2 except at the locations of the rails 6. Each panel 18 is for example made of several layers of thermal insulation material. Such materials are known to those skilled in the art and the panels 18 comply with the specifications required on the territories on which the railway vehicle must circulate. The upper surface of each panel 18, i.e. that which is applied against the lower surface 2, is coated with at least two double-sided adhesive tapes to allow positioning and holding of the panels 18 against the bottom surface 2 before their final fixation. The adhesive strips are for example made of an intumescent material. The adhesive strips are positioned on the edges of the panels 18 in the vicinity of the rails 6.

L'interposition de ces bandes adhésives permet en outre de constituer une lame d'air isolante entre la surface inférieure 2 et les panneaux d'isolation thermique 18.The interposition of these adhesive strips also makes it possible to form an insulating air gap between the lower surface 2 and the thermal insulation panels 18.

Chaque panneau 18 est en outre fixé par deux tôles 22, fixées chacune à un rail 6 auquel le panneau 18 est adjacent. Chaque tôle s'étend par exemple sur toute la longueur d'un rail 6 ou plusieurs tôles 22 sont disposées les unes à la suite des autres pour recouvrir le rail 6.Each panel 18 is further secured by two sheets 22, each attached to a rail 6 to which the panel 18 is adjacent. Each sheet extends for example over the entire length of a rail 6 or several sheets 22 are arranged one after the other to cover the rail 6.

La tôle 22 comprend une surface de fixation 24 s'étendant contre le rail 6 et recouvrant la rainure 12. La surface de fixation 24 est pourvue d'une pluralité d'orifices 26 oblongs répartis sur la longueur de la surface de fixation 24 et disposés en regard de la rainure 12. Ces orifices 26 permettent le passage des moyens de fixation 8 afin de fixer la tôle 22 contre le rail 6. La vis 10 traverse un orifice 26 et l'écrou 14 est serré afin de maintenir la tôle. Lorsqu'un équipement 4 est disposé contre le rail 6, la surface de fixation 24 est pincée entre le rail 6 et la surface de fixation 16 de l'équipement 4. Ainsi, un même moyen de fixation 8 permet la fixation d'une tôle 22 et d'équipements 4. Lorsque aucun équipement 4 n'est disposé contre une tôle 22, un moyen de fixation 8 tel que celui décrit ci-dessus permet tout de même d'assurer la fixation de la tôle 22. La position de la surface de fixation 24 n'a pas à être très précise par rapport à l'équipement 4 du fait de la forme oblongue de l'orifice 26. Chaque tôle 22 est fixée en différents points du rail 6 par plusieurs moyens de fixation 8, servant également ou non à la fixation d'un équipement 4.The plate 22 comprises a fastening surface 24 extending against the rail 6 and covering the groove 12. The fastening surface 24 is provided with a plurality of oblong orifices 26 distributed along the length of the fastening surface 24 and arranged next to the groove 12. These orifices 26 allow the passage of the fastening means 8 to secure the sheet 22 against the rail 6. The screw 10 through an orifice 26 and the nut 14 is tightened to maintain the sheet. When equipment 4 is disposed against the rail 6, the fastening surface 24 is clamped between the rail 6 and the attachment surface 16 of the equipment 4. Thus, the same fastening means 8 allows the attachment of a sheet 22 and equipment 4. When no equipment 4 is disposed against a sheet 22, a fastening means 8 such as that described above still allows to ensure the attachment of the sheet 22. The position of the fixing surface 24 does not have to be very precise with respect to the equipment 4 because of the oblong shape of the orifice 26. Each sheet 22 is fixed at different points of the rail 6 by a plurality of fastening means 8 serving whether or not to attach equipment 4.

La tôle 22 comprend en outre une surface de maintien 28 appliquée contre le panneau d'isolation 18 adjacent au rail 6 sur lequel la tôle 22 est fixée. Cette surface de maintien 28 effectue un appui contre le bord de la surface inférieure du panneau 20 afin de maintenir celui-ci contre la surface inférieure 2 du châssis 1. Le panneau 18 est maintenu le long de ses bords transversaux par deux surfaces de maintien 28 appartenant chacune à une tôle 22 fixée à un rail 6 adjacent au dit panneau 18. La surface de maintien 28 est reliée à la surface de fixation 24 par une surface inclinée 30. Cette surface inclinée 30 est agencée pour combler la différence de hauteur entre le rail 6 et la surface inférieure du panneau 18, comme représenté sur la figure 2.The sheet 22 further comprises a holding surface 28 applied against the insulating panel 18 adjacent to the rail 6 on which the sheet 22 is fixed. This holding surface 28 bears against the edge of the lower surface of the panel 20 in order to hold it against the lower surface 2 of the frame 1. The panel 18 is held along its transverse edges by two holding surfaces 28 each belonging to a sheet 22 fixed to a rail 6 adjacent to said panel 18. The holding surface 28 is connected to the attachment surface 24 by an inclined surface 30. This inclined surface 30 is arranged to fill the difference in height between the rail 6 and the lower surface of the panel 18, as shown in FIG. figure 2 .

Pour un rail 6 disposé entre deux panneaux 18, on prévoit de fixer à celui-ci une tôle 22 comprenant deux surfaces de maintien 28 disposées de part et d'autre de la surface de fixation 24. Ainsi, la tôle 22 sert au maintien de deux panneaux 18 à la fois.For a rail 6 disposed between two panels 18, it is intended to fix thereto a sheet 22 comprising two holding surfaces 28 arranged on either side of the fastening surface 24. Thus, the sheet 22 serves to maintain two panels 18 at a time.

De plus, les tôles 22 sont équipées, du coté de la réception d'équipements 4, au droit des orifices 26 et entre les points de passage d'un moyen de fixation 8, de bandes d'un matériau intumescent pour compléter l'isolation thermique. Les bandes intumescentes sont collées aux tôles 22 et facilement découpables pour faciliter le positionnement des moyens de fixation 8.In addition, the plates 22 are equipped, on the side of the equipment receiving 4, the right of the orifices 26 and between the passage points of a fastening means 8, strips of an intumescent material to complete the insulation thermal. The intumescent strips are glued to the sheets 22 and easily cut to facilitate the positioning of the fastening means 8.

On assure ainsi la continuité de l'isolation thermique sur toute la surface inférieure 2 du châssis 1.This ensures the continuity of the thermal insulation over the entire lower surface 2 of the frame 1.

La tôle 22 est d'épaisseur peu importante afin de limiter la masse ajoutée sur le châssis 1. Cette épaisseur est par exemple sensiblement comprise entre 0,3 mm et 0,5 mm.The sheet 22 is of small thickness to limit the added mass on the frame 1. This thickness is for example substantially between 0.3 mm and 0.5 mm.

Le châssis décrit ci-dessus permet de fixer des panneaux d'isolation thermique en employant les mêmes moyens de fixation que ceux utilisés pour fixer des équipements sous le châssis. Ainsi le nombre de moyens de fixation peut être réduit. La masse ajoutée sous le châssis est ainsi peu importante. Cette masse est en outre limitée par les faibles dimensions des tôles 22 qui n'ont pas besoin de recouvrir toute la surface inférieure des panneaux 18 et qui sont de faible épaisseur. De plus, ce châssis présente une continuité de l'isolation thermique sur toute sa surface inférieure afin d'assurer une protection optimale du compartiment s'étendant au-dessus du châssis.The chassis described above makes it possible to fix thermal insulation panels by using the same fastening means as those used to fix equipment under the chassis. Thus the number of fastening means can be reduced. The mass added under the chassis is thus small. This mass is further limited by the small dimensions of the sheets 22 which do not need to cover the entire lower surface of the panels 18 and which are thin. In addition, this chassis has a continuity of thermal insulation over its entire lower surface to provide optimum protection of the compartment extending above the frame.

Ce principe de montage permet en outre le montage de panneaux d'isolation 18 d'épaisseur différentes pour adapter les performances d'isolation selon différentes exigences,en modifiant simplement le profil des tôles 22.This mounting principle further allows the mounting of insulation boards 18 of different thickness to adapt the insulation performance according to different requirements, simply by changing the profile of the sheets 22.

Claims (13)

Châssis (1) de véhicule ferroviaire, comprenant une surface inférieure (2) destinée à recevoir des équipements (4) s'étendant sous ledit châssis, ladite surface inférieure (2) comprenant au moins deux rails (6) longitudinaux de fixation d'équipements (4), lesdits rails (6) étant espacés selon la direction transversale et étant aptes à recevoir des moyens de fixation (8), au moins un panneau d'isolation thermique (18) s'étendant entre lesdits rails (6) contre la surface inférieure (2) du châssis, caractérisé en ce que ledit panneau (18) est fixé contre le châssis par deux tôles (22) fixées respectivement à un des rails (6), chaque tôle (22) comprenant des moyens de fixation du panneau d'isolation (18), ladite tôle étant fixée par un moyen de fixation (8) contre le rail (6) de fixation d'équipements (4).Railway vehicle chassis (1), comprising a lower surface (2) for receiving equipment (4) extending under said chassis, said lower surface (2) comprising at least two longitudinal equipment attachment rails (6) (4), said rails (6) being spaced in the transverse direction and being able to receive fastening means (8), at least one thermal insulation panel (18) extending between said rails (6) against the lower surface (2) of the frame, characterized in that said panel (18) is fixed against the frame by two plates (22) respectively fixed to one of the rails (6), each plate (22) comprising means for fixing the panel insulation (18), said sheet being fixed by a fixing means (8) against the rail (6) for attaching equipment (4). Châssis de véhicule ferroviaire selon la revendication 1, caractérisé en ce qu'il comprend un équipement (4) fixé contre les rails (6) par les moyens de fixation (8) fixant la tôle (22), chaque tôle (22) étant pincée entre le rail (6) et ledit équipement (4).Railway vehicle chassis according to claim 1, characterized in that it comprises a device (4) fixed against the rails (6) by the fastening means (8) fixing the sheet (22), each sheet (22) being pinched between the rail (6) and said equipment (4). Châssis de véhicule ferroviaire selon la revendication 1 ou 2, caractérisé en ce que les moyens de fixation du panneau d'isolation thermique (18) comprennent une surface de maintien (28) s'étendant de la tôle (22) et appliquée contre le panneau d'isolation thermique.Railway vehicle chassis according to claim 1 or 2, characterized in that the fastening means of the thermal insulation panel (18) comprise a holding surface (28) extending from the sheet (22) and applied against the panel thermal insulation. Châssis de véhicule ferroviaire selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le rail comprend une rainure (12) de passage des moyens de fixation (8), la tôle (22) comprenant une surface de fixation (24) recouvrant le rail (6), ladite surface (24) comprenant au moins un orifice (26) disposé en regard de la rainure (12) du rail (6), le moyen de fixation (8) traversant ledit orifice (26).Railway vehicle chassis according to one of Claims 1 to 3, characterized in that the rail comprises a groove (12) for the passage of the fastening means (8), the plate (22) comprising a fastening surface (24) covering the rail (6), said surface (24) comprising at least one orifice (26) disposed facing the groove (12) of the rail (6), the fastening means (8) passing through said orifice (26). Châssis de véhicule ferroviaire selon la revendication 4 lorsqu'elle dépend de la revendication 2, caractérisé en ce que la tôle (22) comprend un matériau d'isolation thermique et intumescent disposé sur le côté de la tôle destiné à faire face à un équipement (4),au droit des orifices (26) et entre les points de passage d'un moyen de fixation (8).Railway vehicle chassis according to claim 4 when dependent on claim 2, characterized in that the sheet (22) comprises a heat-insulating and intumescent material disposed on the side of the sheet for facing equipment ( 4), to the right of the orifices (26) and between the passage points of a fastening means (8). Châssis de véhicule ferroviaire selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le panneau d'isolation (18) comprend au moins deux bandes adhésives double faces (20) en matériau intumescent disposées entre le panneau d'isolation (18) et la surface inférieure (2) du châssis, les bandes adhésives étant positionnées sur les bords des panneaux (18) au voisinage des rails (6).Railway vehicle chassis according to one of Claims 1 to 5, characterized in that the insulation panel (18) comprises at least two double-sided adhesive strips (20) of intumescent material arranged between the insulating panel (18) and the lower surface (2) of the frame, the adhesive strips being positioned on the edges of the panels (18) in the vicinity of the rails (6). Châssis de véhicule ferroviaire selon l'une quelconque des revendications 4 à 6 lorsqu'elles dépendent de la revendication 3, caractérisé en ce que la tôle (22) comprend une surface inclinée (30) s'étendant entre la surface de maintien (28) et la surface de fixation (24).Railway vehicle chassis according to one of claims 4 to 6 when dependent on claim 3, characterized in that the plate (22) comprises an inclined surface (30) extending between the holding surface (28) and the attachment surface (24). Châssis de véhicule ferroviaire selon l'une quelconque des revendications 4 à 7, caractérisé en ce que l'orifice (26) de la surface de fixation (24) présente une forme sensiblement oblongue.Railway vehicle chassis according to one of Claims 4 to 7, characterized in that the orifice (26) of the fastening surface (24) has a substantially oblong shape. Châssis de véhicule ferroviaire selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le moyen de fixation (8) comprend une vis (10) disposée dans la rainure (12), ladite vis (10) recevant un écrou (14), ledit écrou (14) serrant la tôle (22) contre le rail (6).Rail vehicle chassis according to one of Claims 1 to 8, characterized in that the fastening means (8) comprises a screw (10) arranged in the groove (12), said screw (10) receiving a nut (14). ), said nut (14) clamping the sheet (22) against the rail (6). Châssis de véhicule ferroviaire selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'au moins une tôle (22) comprend deux surfaces de maintien (28) de sorte à permettre le maintien de deux panneaux d'isolation (18) disposés de part et d'autre d'un rail (6).Railway vehicle chassis according to one of Claims 1 to 9, characterized in that at least one sheet (22) comprises two holding surfaces (28) so as to allow the holding of two insulation panels (18). arranged on either side of a rail (6). Châssis de véhicule ferroviaire selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la tôle (22) et le rail (6) auquel elle est fixée présentent sensiblement une longueur égale, la surface de fixation (24) comprenant une pluralité d'orifices (26) répartis le long dudit rail (6).Railway vehicle chassis according to one of Claims 1 to 10, characterized in that the plate (22) and the rail (6) to which it is fastened have a substantially equal length, the fastening surface (24) comprising a plurality of orifices (26) distributed along said rail (6). Châssis de véhicule ferroviaire selon l'une quelconque des revendications 1 à 11, caractérisé en ce qu'il comprend plus de deux rails (6), lesdits rails (6) étant espacés selon la direction transversale, un panneau d'isolation thermique (18) étant disposé entre chaque rail (6), chaque panneau (18) étant fixé contre le châssis par deux tôles (22) fixées chacune à un rail (6).Railway vehicle chassis according to any one of claims 1 to 11, characterized in that it comprises more than two rails (6), said rails (6) being spaced in the transverse direction, a thermal insulation panel (18 ) being disposed between each rail (6), each panel (18) being fixed against the frame by two plates (22) each fixed to a rail (6). Véhicule ferroviaire comprenant un châssis pourvu de panneaux d'isolation thermique, caractérisé en ce que le châssis (1) est selon l'une quelconque des revendications 1 à 12.Railway vehicle comprising a frame provided with thermal insulation panels, characterized in that the frame (1) is according to any one of claims 1 to 12.
EP09154653A 2008-03-10 2009-03-09 Rail vehicle chassis equipped with thermal insulation panels Active EP2100791B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0851517A FR2928330B1 (en) 2008-03-10 2008-03-10 RAILWAY VEHICLE CHASSIS WITH THERMAL INSULATION PANELS

Publications (2)

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EP2100791A1 true EP2100791A1 (en) 2009-09-16
EP2100791B1 EP2100791B1 (en) 2011-10-26

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JP (1) JP5542351B2 (en)
CN (1) CN101537842A (en)
AT (1) ATE530405T1 (en)
ES (1) ES2372361T3 (en)
FR (1) FR2928330B1 (en)
RU (1) RU2491194C2 (en)

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JP2013067356A (en) * 2011-09-26 2013-04-18 Japan Transport Engineering Co Method for manufacturing railroad vehicle structure
GB2506335A (en) * 2012-07-16 2014-04-02 Intumescent Systems Ltd Duct hatch assembly
US20140238262A1 (en) * 2013-02-20 2014-08-28 Bombardier Transportation Gmbh Heat resistant floor assembly for a rail vehicle
CN104097653A (en) * 2014-07-17 2014-10-15 南车株洲电力机车有限公司 Bottom-suspension equipment mounting structure and chassis of railway vehicle
JP2015212144A (en) * 2015-07-01 2015-11-26 株式会社総合車両製作所 Method for manufacturing railroad vehicle structure
AT517794A1 (en) * 2015-10-01 2017-04-15 Siemens Ag Oesterreich Fastening device for a device carrier on a car body of a rail vehicle
EP3069950A4 (en) * 2013-11-12 2017-07-19 Kawasaki Jukogyo Kabushiki Kaisha Railway vehicle
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JP2022107168A (en) * 2021-01-08 2022-07-21 株式会社日立製作所 Rail vehicle and manufacturing method of the same
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GB2506335A (en) * 2012-07-16 2014-04-02 Intumescent Systems Ltd Duct hatch assembly
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CN104097653A (en) * 2014-07-17 2014-10-15 南车株洲电力机车有限公司 Bottom-suspension equipment mounting structure and chassis of railway vehicle
JP2015212144A (en) * 2015-07-01 2015-11-26 株式会社総合車両製作所 Method for manufacturing railroad vehicle structure
AT517794A1 (en) * 2015-10-01 2017-04-15 Siemens Ag Oesterreich Fastening device for a device carrier on a car body of a rail vehicle
AT517794B1 (en) * 2015-10-01 2020-10-15 Siemens Mobility Austria Gmbh Fastening device for an equipment rack on a car body of a rail vehicle
FR3122098A1 (en) * 2021-04-26 2022-10-28 Speedinnov Vehicle interior fire barrier
EP4082841A1 (en) * 2021-04-26 2022-11-02 SpeedInnov Fireproof partition for the inside of a vehicle

Also Published As

Publication number Publication date
FR2928330A1 (en) 2009-09-11
JP2009214875A (en) 2009-09-24
CN101537842A (en) 2009-09-23
ES2372361T3 (en) 2012-01-19
FR2928330B1 (en) 2012-05-11
RU2491194C2 (en) 2013-08-27
ATE530405T1 (en) 2011-11-15
EP2100791B1 (en) 2011-10-26
RU2009108242A (en) 2010-09-20
JP5542351B2 (en) 2014-07-09

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