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EP1561662A1 - Step for the entry door of a railway vehicle - Google Patents

Step for the entry door of a railway vehicle Download PDF

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Publication number
EP1561662A1
EP1561662A1 EP05290200A EP05290200A EP1561662A1 EP 1561662 A1 EP1561662 A1 EP 1561662A1 EP 05290200 A EP05290200 A EP 05290200A EP 05290200 A EP05290200 A EP 05290200A EP 1561662 A1 EP1561662 A1 EP 1561662A1
Authority
EP
European Patent Office
Prior art keywords
blade
support
clamping
threshold according
door threshold
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
EP05290200A
Other languages
German (de)
French (fr)
Other versions
EP1561662B1 (en
Inventor
Jean-Luc Le Bellec
Christophe Gomis
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 SA
Original Assignee
Alstom Transport 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
Application filed by Alstom Transport SA filed Critical Alstom Transport SA
Priority to PL05290200T priority Critical patent/PL1561662T3/en
Publication of EP1561662A1 publication Critical patent/EP1561662A1/en
Application granted granted Critical
Publication of EP1561662B1 publication Critical patent/EP1561662B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D23/00—Construction of steps for railway vehicles
    • B61D23/02—Folding steps for railway vehicles, e.g. hand or mechanically actuated

Definitions

  • the present invention relates to an access door threshold on the inside a railway vehicle intended to partially fill the gap between the vehicle and a platform with a support adapted to be linked to the structure of the railway vehicle and a blade retained by said support, which blade is movable between a normal position protruding from the support and a retracted position in the support.
  • Urban transport rail vehicles such as trams, stop along a raised platform to allow entry and exit of passengers through side openings in the side of the vehicle and normally closed by doors.
  • An interval is provided between the side of the railway vehicle and the edge the wharf, to allow the vehicle to circulate without the latter hit the dock.
  • Such a threshold also allows access to the vehicle to persons in wheelchair or with reduced mobility and ensures easy access for other passengers.
  • thresholds deployable under the action of one or several actuators. These thresholds protrude from the side of the vehicle only when it is stopped along a platform. On the contrary, Thresholds are retracted when the vehicle is traveling. Such thresholds are very complex to manufacture and therefore expensive.
  • thresholds called "fuse”. These thresholds have connection elements to the vehicle structure that are likely to break when the threshold comes into contact with the edge of the dock. The threshold, and in particular the means of be replaced after each break, which makes the cost of operating the high rail vehicle.
  • these thresholds after breaking of the connecting elements can be dangerous since the threshold can then come off totally or partially and hurt a passer-by.
  • the aim of the invention is to propose a door sill enabling the effective filling of the gap between the vehicle and the platform, without The cost of operating the railway vehicle is high and safe for passers-by.
  • the subject of the invention is a door sill of the aforementioned type, characterized in that it comprises means for clamping the blade against at least one clamping surface of the support for establishing a friction of determined value between the blade and the support opposing the displacement of the blade relative to the support in the plane of the or each clamping surface.
  • a vehicle railway in particular a tram, has access openings 10 arranged through its lateral flank 12. These access openings are delimited by a door frame 14 generally rectangular relative which slides two unrepresented doors. Doors are movable between a closed position of the access opening and a position retracted allowing passage through the access opening.
  • the railway vehicle comprises a beam longitudinal 16 forming part of the rigid structure of the vehicle.
  • this beam 16 supports the floor 18 formed for example of boards of wood covered with a floor covering.
  • a door threshold designated by the general reference 20 is secured to the vehicle structure and in particular to the beam 16 at the bottom of the access opening 10. This threshold normally projects outward and is intended to bridge the gap between the vehicle and a dock to allow entry and exit of passengers without risk of falling.
  • the threshold 20 comprises a profile 22 holding and holding in position a blade 24 partially projecting longitudinally outside the vehicle.
  • the profile 22 extends along the entire length of the opening 10. It comprises a core 26 applied against the beam 16 and connected thereto by screws 28 distributed along the length of the profile.
  • Two arms 28A, 28B of the profile delimit a clevis 29 holding of the blade 24. They extend perpendicular to the soul 26 and have come of material with it. These two arms 28A, 28B extend along the entire length of the profile. They have, at their free ends, two surfaces 30A, 30B clamping the blade 24. These surfaces extend parallel to each other and are adapted to grip the blade 24 and to retain it by friction thanks to a tight fit. They thus form a means of clamping the blade against both of the two clamping surfaces 30A, 30B.
  • the blade 24 consists of a polymer profile having two parallel main faces applied against the clamping surfaces 30A, 30B.
  • This blade has a width of between 50 mm and 120 mm and for example equal to 85 mm. Its length is substantially equal to the width of the opening 10, this length being for example two meters. Its thickness is between 1 cm and 5 cm and for example equal to 2 cm.
  • a free space 31 is reserved behind the clamping surfaces 30A, 30B inside the clevis between the core 26 and the blade 24.
  • This space reserved 31 has a width of between 20 mm and 40 mm and for example equal to 30 mm.
  • the blade 24 has at its ends in its thickness lights oblong arranged along the width of the blade.
  • Guide pins, secured to the support profile 22, are engaged in these lights oblong to guide the blade between a normal position protruding as illustrated in Figure 2 and a retracted position as illustrated in Figure 3.
  • the guidance is provided in a parallel direction to the clamping surfaces 30A, 30B.
  • the blade 24 According to its outer edge turned away from the vehicle, the blade 24 has, along its edges, chamfers 32A, 32B.
  • Recesses 33 are provided on the underside of the blade 24 at regular intervals following the length of the blade. They are placed in the neighborhood protruding edge of the blade 24. These recesses are adapted to receive a tool for moving the blade 24 relative to the support profile 22.
  • the blade 24 protrudes out of the clevis 29 on over the half of its width. Thus, it is retained between the clamping surfaces 30A, 30B on only its rear part.
  • an access plate 40 is reported in the lower part the access opening 10 over the entire width thereof.
  • This plate 40 covers the upper part of the beam 16 and the support profile 22 and partially extends at one end to the floor 18 and at its other end end, on the blade 24.
  • the blade 24 thus protrudes from this plate with a length of between 20 mm and 40 mm and preferably substantially equal to 34 mm.
  • a facing cover 42 is attached to the support profile 22 along the yoke 29.
  • This cover 42 is retained at one end in a groove 44 formed in one arm 28A of the yoke and is fixed to its other end, by bolting to the beam 16.
  • the blade 24 is as illustrated in Figure 2. This is retained only by clamping between the two surfaces 30A, 30B. So, when the vehicle is docked, the blade 24 fills most of the space between dock and vehicle allowing secure and comfortable access to the interior of the vehicle.
  • the tight fit provided by both clamping surfaces parallel is sized to hold the blade 24 during the circulation of the train, especially because of vibrations. This adjustment is also dimensioned to prevent tilting of the blade under the action of weight of a passenger resting on the edge of the blade and to bear the blows may be given by passengers when crossing the threshold.
  • the tight fit is small enough that, if the blade hits the dock, when the vehicle is moving, the blade retracts partially in the free space 31, as illustrated in FIG.
  • the blade 24 can be removed manually by engaging a tool in the through recesses 33 formed on the underside of the blade and pulling the blade from this tool to bring back the latter in its protruding position as illustrated in FIG. blade is then restrained only between the two clamping surfaces 30A, 30B by the initial tight fit.
  • FIGS. 4 to 6 show a second embodiment of a threshold according to the invention.
  • the threshold has, as before, a blade 124 engaged in a yoke 129 visible in Figure 5.
  • the blade 124 is not retained by a tight fit between the two arms 128A, 128B of the clevis.
  • the clamping means 150 comprise a tie 152 integral with the arm 128A and engaged in a T-shaped groove 154 formed in the blade.
  • This T-slot 154 extends in the direction of travel of the blade.
  • three or four tie rods 152, each associated with a groove, are distributed along the length of the blade.
  • Each tie 152 has a gib 155 with an enlarged head 156 having at least one lateral flat, in which is engaged a clamping screw 158 passing through an orifice 160 formed in the arm 128A.
  • the head of the screw 158 is supported on the outer surface of the arm 128A.
  • the head 156 of the bacon has two lateral ears taking support on the surfaces formed in the T-slot 154 and extending in parallel to the clamping surface 130A.
  • the groove 154 T terminates at a free end disposed on the side oriented in the direction of retraction of the blade. On the contrary, the groove 154 in T is closed at the projecting end of the blade.
  • the threshold further comprises a longitudinal stop of the blade.
  • This stop includes a pawn 180 secured to the support and more specifically to the arm 128A of the yoke.
  • This pawn is for example screwed on the arm 128A and protrudes into the yoke.
  • the pawn has a higher shear strength than tie rod 152.
  • the pawn is received in a groove 182 whose width is very slightly greater than that of the tie rod. This groove extends in the direction of displacement of the blade.
  • the retention of the blade 124, in its position normal projection, is ensured by the tightening of the screws 158 which maintain the blade 124 clamped against the single clamping surface 130A, so to establish a friction force between the blade and the support.
  • Strength friction thus created depends on the tightening of the screws 158 which imposes a pulling force through the tie rod 152.
  • the screws 158 are loosened and the blade is repositioned, after which the screws are tightened to a predetermined pair ensuring a satisfactory hold of the blade.
  • the blade can be reset state easily after retraction without the need to change the fastening means.
  • the presence of the stops 180 makes it possible to avoid a displacement longitudinal axis of the blade, even in the case of very large axial forces could have led to the shearing of the tie rods 152.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Lock And Its Accessories (AREA)
  • Body Structure For Vehicles (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Mechanical Operated Clutches (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)

Abstract

The sill has a support (22) connected to a rail car beam (16) and a strip (24) retained by the support. The strip is moved between a normal position and a retracted position with respect to the support. Clamping surfaces (30A, 30B) of the strip maintain the strip against the clamping surfaces of the support, such that friction force is established between the strip and the support.

Description

La présente invention concerne un seuil de porte d'accès à l'intérieur d'un véhicule ferroviaire destiné à combler partiellement l'intervalle entre le véhicule et un quai comportant un support adapté pour être lié à la structure du véhicule ferroviaire et une lame retenue par ledit support, laquelle lame est déplaçable entre une position normale en saillie par rapport au support et une position escamotée dans le support.The present invention relates to an access door threshold on the inside a railway vehicle intended to partially fill the gap between the vehicle and a platform with a support adapted to be linked to the structure of the railway vehicle and a blade retained by said support, which blade is movable between a normal position protruding from the support and a retracted position in the support.

Les véhicules ferroviaires de transport urbain, tels que les tramways, s'arrêtent le long d'un quai surélevé, pour permettre l'entrée et la sortie des passagers au travers d'ouvertures latérales ménagées dans le flanc du véhicule et normalement obturées par des portes.Urban transport rail vehicles, such as trams, stop along a raised platform to allow entry and exit of passengers through side openings in the side of the vehicle and normally closed by doors.

Un intervalle est prévu entre le flanc du véhicule ferroviaire et le bord du quai, pour permettre une circulation du véhicule sans que celui-ci ne heurte le quai.An interval is provided between the side of the railway vehicle and the edge the wharf, to allow the vehicle to circulate without the latter hit the dock.

Pour éviter que les passagers entrant ou sortant du véhicule ne tombent ou se blessent du fait de la présence de cet intervalle qu'il convient qu'ils franchissent, il est connu de prévoir que les ouvertures d'accès au véhicule soient équipées, dans leur partie inférieure, d'un seuil de porte faisant saillie vers l'extérieur par rapport au flanc du véhicule. Ce seuil comble au moins partiellement l'intervalle entre le flanc du véhicule et le quai à l'endroit de l'ouverture d'accès évitant que les passagers ne se blessent.To prevent passengers entering or leaving the vehicle from falling or are injured because of the presence of this interval that is appropriate that they cross, it is known to provide that the access openings to the vehicle are equipped, in their lower part, with a door sill projecting outwards with respect to the side of the vehicle. This threshold fills in less partially the gap between the side of the vehicle and the platform at the access opening to prevent passengers from getting injured.

Un tel seuil permet également l'accès au véhicule à des personnes en fauteuil roulant ou à mobilité réduite et assure un confort d'accès pour les autres passagers.Such a threshold also allows access to the vehicle to persons in wheelchair or with reduced mobility and ensures easy access for other passengers.

Ces seuils qui dépassent latéralement hors de l'encombrement général du véhicule peuvent être amenés, dans certaines circonstances, à toucher le bord du quai.These thresholds that protrude laterally out of the overall clutter vehicle may be required in certain circumstances to touch the edge of the wharf.

Ainsi, il a été envisagé des seuils déployables sous l'action d'un ou plusieurs actionneurs. Ces seuils font saillie par rapport au flanc du véhicule seulement lorsque celui-ci est arrêté le long d'un quai. Au contraire, les seuils sont rétractés lorsque le véhicule circule. De tels seuils sont très complexes à fabriquer et donc coûteux.Thus, it has been envisaged thresholds deployable under the action of one or several actuators. These thresholds protrude from the side of the vehicle only when it is stopped along a platform. On the contrary, Thresholds are retracted when the vehicle is traveling. Such thresholds are very complex to manufacture and therefore expensive.

Il a également été envisagé des seuils fixes faisant saillie à demeure par rapport au flanc du véhicule. Pour éviter que ces seuils ne touchent le quai, ceux-ci sont disposés largement à l'écart du bord du quai, de sorte qu'un intervalle important reste présent entre le seuil et le quai. Le problème de sécurité des passagers est alors seulement imparfaitement résolu.It has also been envisaged fixed thresholds projecting permanently relative to the side of the vehicle. To prevent these thresholds from affecting the platform, these are widely separated from the edge of the wharf, so that a significant gap remains between the threshold and the wharf. The problem Passenger safety is then only imperfectly solved.

Par ailleurs, il a été envisagé des seuils dits "fusibles". Ces seuils présentent des éléments de liaison à la structure du véhicule qui sont susceptibles de se rompre lorsque le seuil entre en contact avec le bord du quai. Le seuil, et notamment les moyens de liaison qu'il comporte, doivent être remplacés après chaque rupture, ce qui rend le coût d'exploitation du véhicule ferroviaire élevé.Moreover, it has been envisaged thresholds called "fuse". These thresholds have connection elements to the vehicle structure that are likely to break when the threshold comes into contact with the edge of the dock. The threshold, and in particular the means of be replaced after each break, which makes the cost of operating the high rail vehicle.

De plus, ces seuils après rupture des éléments de liaison peuvent être dangereux puisque le seuil peut alors se détacher totalement ou partiellement et blesser un passant.In addition, these thresholds after breaking of the connecting elements can be dangerous since the threshold can then come off totally or partially and hurt a passer-by.

L'invention a pour but de proposer un seuil de porte permettant le comblement efficace de l'intervalle entre le véhicule et le quai, sans que le coût d'exploitation du véhicule ferroviaire ne soit élevé et sans danger pour les passants.The aim of the invention is to propose a door sill enabling the effective filling of the gap between the vehicle and the platform, without The cost of operating the railway vehicle is high and safe for passers-by.

A cet effet, l'invention a pour objet un seuil de porte du type précité, caractérisé en ce qu'il comporte des moyens de serrage de la lame contre au moins une surface de serrage du support pour établir un frottement de valeur déterminée entre la lame et le support s'opposant au déplacement de la lame par rapport au support dans le plan de la ou chaque surface de serrage.For this purpose, the subject of the invention is a door sill of the aforementioned type, characterized in that it comprises means for clamping the blade against at least one clamping surface of the support for establishing a friction of determined value between the blade and the support opposing the displacement of the blade relative to the support in the plane of the or each clamping surface.

Suivant des modes particuliers de réalisation, le seuil de porte comporte l'une ou plusieurs des caractéristiques suivantes :

  • lesdits moyens de serrage sont les seuls moyens de retenue de la lame ;
  • la lame et le support comportent des moyens de guidage de la lame de sa position normale en saillie à sa position escamotée, lesquels moyens sont disposés aux extrémités de la lame ;
  • la lame est formée d'un matériau polymère ;
  • la lame présente au moins un profil d'accrochage pour un outil de traction permettant le déplacement de la lame de sa position escamotée à sa position normale en saillie ;
  • il comporte en outre au moins une butée d'arrêt longitudinale de la lame solidaire de l'un de la lame et du support, la butée étant reçue coulissante dans une rainure ménagée dans l'autre de la lame et du support, laquelle rainure s'étend suivant la direction de déplacement de la lame ;
  • le support délimite une chape de maintien de la lame, laquelle chape présente deux surfaces de serrage en regard entre lesquelles la lame est retenue par un ajustement serré ;
  • le support comporte un profilé métallique présentant deux bras portant chacun une surface de serrage et délimitant ladite chape de maintien de la lame, les deux bras étant reliés dans le profilé par une âme avec laquelle ils sont venus de matière ;
  • ladite chape délimite un espace libre de réception de la lame dans sa position escamotée ;
  • lesdits moyens de serrage comportent au moins un tirant solidaire d'un premier de la lame et du support, lequel tirant est monté coulissant par rapport au second de la lame et du support et prend appui sur le second de la lame et du support, le tirant appliquant une force de serrage de la lame contre la surface de serrage du support.
  • le tirant comporte une vis de serrage propre à ajuster la force de serrage imposée par le tirant ;
  • l'un de la lame et du support comporte une rainure en T ménagée dans son épaisseur et le tirant comporte un lardon reçu dans ladite rainure ; et
  • ladite rainure en T est ménagée dans la lame et s'ouvre à une extrémité disposée du côté tourné vers la position escamotée de la lame.
According to particular embodiments, the door sill comprises one or more of the following characteristics:
  • said clamping means are the only means of retaining the blade;
  • the blade and the support comprise means for guiding the blade from its normal position projecting to its retracted position, which means are arranged at the ends of the blade;
  • the blade is formed of a polymeric material;
  • the blade has at least one attachment profile for a traction tool for moving the blade from its retracted position to its normal projecting position;
  • it further comprises at least one longitudinal stop of the blade integral with one of the blade and the support, the stop being slidably received in a groove in the other of the blade and the support, which groove s extends in the direction of displacement of the blade;
  • the support defines a yoke for holding the blade, which yoke has two facing clamping surfaces between which the blade is retained by a tight fit;
  • the support comprises a metal profile having two arms each carrying a clamping surface and delimiting said blade holding cap, the two arms being connected in the profile by a core with which they came from material;
  • said yoke defines a free space for receiving the blade in its retracted position;
  • said clamping means comprise at least one tie secured to a first of the blade and the support, which pulling is slidably mounted relative to the second of the blade and the support and bears on the second of the blade and the support, the pulling applying a clamping force of the blade against the clamping surface of the support.
  • the pulling comprises a clamping screw adapted to adjust the clamping force imposed by the tie rod;
  • one of the blade and the support comprises a T-shaped groove formed in its thickness and the tie rod comprises a lardon received in said groove; and
  • said T-slot is formed in the blade and opens at an end disposed on the side facing the retracted position of the blade.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins, sur lesquels :

  • la figure 1 est une vue en perspective d'une ouverture d'accès à l'intérieur d'un véhicule ferroviaire ;
  • les figures 2 et 3 sont des vues en coupe transversales de la partie inférieure d'un véhicule ferroviaire montrant un premier mode de réalisation d'un seuil selon l'invention, la lame étant respectivement en position normale en saillie et en position escamotée ;
  • la figure 4 est une vue en coupe longitudinale d'un second mode de réalisation d'un seuil selon l'invention ; et
  • les figures 5 et 6 sont des vues en coupe transversale de la partie inférieure du véhicule ferroviaire montrant le seuil de la figure 4, en position normale en saillie, les coupes étant prises suivant, respectivement, les lignes V-V et VI-VI de la figure 4.
The invention will be better understood on reading the description which follows, given solely by way of example and with reference to the drawings, in which:
  • Figure 1 is a perspective view of an access opening inside a railway vehicle;
  • Figures 2 and 3 are cross-sectional views of the lower part of a railway vehicle showing a first embodiment of a threshold according to the invention, the blade being respectively in the normal position projecting and retracted position;
  • Figure 4 is a longitudinal sectional view of a second embodiment of a threshold according to the invention; and
  • FIGS. 5 and 6 are cross-sectional views of the lower part of the railway vehicle showing the threshold of FIG. 4, in the normal projecting position, the sections being taken along the lines VV and VI-VI, respectively, of FIG. 4.

Comme illustré sur la figure 1, et comme connu en soi, un véhicule ferroviaire, notamment un tramway, comporte des ouvertures d'accès 10 ménagées au travers de son flanc latéral 12. Ces ouvertures d'accès sont délimitées par un cadre de porte 14 généralement rectangulaire par rapport auquel coulissent deux portes non représentées. Les portes sont déplaçables entre une position d'obturation de l'ouverture d'accès et une position escamotée permettant le passage au travers de l'ouverture d'accès.As illustrated in FIG. 1, and as known per se, a vehicle railway, in particular a tram, has access openings 10 arranged through its lateral flank 12. These access openings are delimited by a door frame 14 generally rectangular relative which slides two unrepresented doors. Doors are movable between a closed position of the access opening and a position retracted allowing passage through the access opening.

A son extrémité inférieure, le véhicule ferroviaire comporte une poutre longitudinale 16 formant une partie de la structure rigide du véhicule. En particulier, cette poutre 16 supporte le plancher 18 formé par exemple de planches de bois recouverte d'un revêtement de sol.At its lower end, the railway vehicle comprises a beam longitudinal 16 forming part of the rigid structure of the vehicle. In particular, this beam 16 supports the floor 18 formed for example of boards of wood covered with a floor covering.

Par ailleurs, un seuil de porte désigné par la référence générale 20 est solidarisé à la structure du véhicule et notamment à la poutre 16 au bas de l'ouverture d'accès 10. Ce seuil fait normalement saillie vers l'extérieur et a pour but de combler l'intervalle entre le véhicule et un quai pour permettre une entrée et une sortie des passagers sans risque de chute.In addition, a door threshold designated by the general reference 20 is secured to the vehicle structure and in particular to the beam 16 at the bottom of the access opening 10. This threshold normally projects outward and is intended to bridge the gap between the vehicle and a dock to allow entry and exit of passengers without risk of falling.

Comme illustré sur les figures 2 et 3, le seuil 20 comporte un profilé de support 22 enchâssant et retenant en position une lame 24 faisant partiellement saillie longitudinalement à l'extérieur du véhicule.As illustrated in FIGS. 2 and 3, the threshold 20 comprises a profile 22 holding and holding in position a blade 24 partially projecting longitudinally outside the vehicle.

Le profilé 22 s'étend suivant toute la longueur de l'ouverture 10. Il comporte une âme 26 appliquée contre la poutre 16 et liée à celle-ci par des vis 28 réparties suivant la longueur du profilé.The profile 22 extends along the entire length of the opening 10. It comprises a core 26 applied against the beam 16 and connected thereto by screws 28 distributed along the length of the profile.

Deux bras 28A, 28B du profilé délimitent une chape 29 de maintien de la lame 24. Ils s'étendent perpendiculairement à l'âme 26 et sont venus de matière avec celle-ci. Ces deux bras 28A, 28B s'étendent suivant toute la longueur du profilé. Ils présentent, à leurs extrémités libres, deux surfaces 30A, 30B de serrage de la lame 24. Ces surfaces s'étendent parallèlement l'une à l'autre et sont propres à enserrer la lame 24 et à retenir celle-ci par frottement grâce à un ajustement serré. Elles forment ainsi un moyen de serrage de la lame contre l'une et l'autre des deux surfaces de serrage 30A, 30B.Two arms 28A, 28B of the profile delimit a clevis 29 holding of the blade 24. They extend perpendicular to the soul 26 and have come of material with it. These two arms 28A, 28B extend along the entire length of the profile. They have, at their free ends, two surfaces 30A, 30B clamping the blade 24. These surfaces extend parallel to each other and are adapted to grip the blade 24 and to retain it by friction thanks to a tight fit. They thus form a means of clamping the blade against both of the two clamping surfaces 30A, 30B.

La lame 24 est constituée d'un profilé de polymère présentant deux faces principales parallèles appliquées contre les surfaces de serrage 30A, 30B. Cette lame présente une largeur comprise entre 50 mm et 120 mm et par exemple égale à 85 mm. Sa longueur est sensiblement égale à la largeur de l'ouverture 10, cette longueur étant par exemple de deux mètres. Son épaisseur est comprise entre 1 cm et 5 cm et par exemple égale à 2 cm.The blade 24 consists of a polymer profile having two parallel main faces applied against the clamping surfaces 30A, 30B. This blade has a width of between 50 mm and 120 mm and for example equal to 85 mm. Its length is substantially equal to the width of the opening 10, this length being for example two meters. Its thickness is between 1 cm and 5 cm and for example equal to 2 cm.

Un espace libre 31 est réservé en arrière des surfaces de serrage 30A, 30B à l'intérieur de la chape entre l'âme 26 et la lame 24. Cet espace réservé 31 a une largeur comprise entre 20 mm et 40 mm et par exemple égale à 30 mm.A free space 31 is reserved behind the clamping surfaces 30A, 30B inside the clevis between the core 26 and the blade 24. This space reserved 31 has a width of between 20 mm and 40 mm and for example equal to 30 mm.

La lame 24 présente à ses extrémités dans son épaisseur des lumières oblongues disposées suivant la largeur de la lame. Des pions de guidage, solidaires du profilé de support 22, sont engagés dans ces lumières oblongues pour assurer un guidage de la lame entre une position normale en saillie telle qu'illustrée sur la figure 2 et une position escamotée telle qu'illustrée sur la figure 3. Le guidage est assuré suivant une direction parallèle aux surfaces de serrage 30A, 30B.The blade 24 has at its ends in its thickness lights oblong arranged along the width of the blade. Guide pins, secured to the support profile 22, are engaged in these lights oblong to guide the blade between a normal position protruding as illustrated in Figure 2 and a retracted position as illustrated in Figure 3. The guidance is provided in a parallel direction to the clamping surfaces 30A, 30B.

D'autres moyens de guidage de la lame peuvent être mis en oeuvre tels que des butées aux deux extrémités de la lame.Other means of guiding the blade can be implemented such as stops at both ends of the blade.

Suivant son bord dit extérieur tourné à l'opposé du véhicule, la lame 24 présente, suivant ses arêtes, des chanfreins 32A, 32B.According to its outer edge turned away from the vehicle, the blade 24 has, along its edges, chamfers 32A, 32B.

Des évidements 33 sont ménagés sur la face inférieure de la lame 24 à intervalle régulier suivant la longueur de la lame. Ils sont placés au voisinage du bord en saillie de la lame 24. Ces évidements sont propres à recevoir un outil pour déplacer la lame 24 par rapport au profilé de support 22. Recesses 33 are provided on the underside of the blade 24 at regular intervals following the length of the blade. They are placed in the neighborhood protruding edge of the blade 24. These recesses are adapted to receive a tool for moving the blade 24 relative to the support profile 22.

Initialement, dans sa position normale, c'est-à-dire avant d'avoir heurté le bord d'un quai, la lame 24 fait saillie hors de la chape 29 sur plus de la moitié de sa largeur. Ainsi, elle est retenue entre les surfaces de serrage 30A, 30B sur seulement sa partie arrière.Initially, in its normal position, that is before striking the edge of a dock, the blade 24 protrudes out of the clevis 29 on over the half of its width. Thus, it is retained between the clamping surfaces 30A, 30B on only its rear part.

Par ailleurs, une plaque d'accès 40 est rapportée dans la partie inférieure de l'ouverture d'accès 10 sur toute la largeur de celle-ci. Cette plaque 40 couvre la partie supérieure de la poutre 16 et du profilé de support 22 et se prolonge partiellement, à une extrémité, sur le plancher 18 et, à son autre extrémité, sur la lame 24. La lame 24 fait ainsi saillie par rapport à cette plaque d'accès d'une longueur comprise entre 20 mm et 40 mm et de préférence sensiblement égale à 34 mm.Moreover, an access plate 40 is reported in the lower part the access opening 10 over the entire width thereof. This plate 40 covers the upper part of the beam 16 and the support profile 22 and partially extends at one end to the floor 18 and at its other end end, on the blade 24. The blade 24 thus protrudes from this plate with a length of between 20 mm and 40 mm and preferably substantially equal to 34 mm.

Enfin, un capot de parement 42 est rapporté sur le profilé de support 22 le long de la chape 29. Ce capot 42 est retenu, à une extrémité, dans une rainure 44 ménagée dans un bras 28A de la chape et est fixé, à son autre extrémité, par boulonnage sur la poutre 16.Finally, a facing cover 42 is attached to the support profile 22 along the yoke 29. This cover 42 is retained at one end in a groove 44 formed in one arm 28A of the yoke and is fixed to its other end, by bolting to the beam 16.

Initialement, la lame 24 est telle qu'illustrée sur la figure 2. Celle-ci est retenue seulement par serrage entre les deux surfaces 30A, 30B. Ainsi, lorsque le véhicule est à quai, la lame 24 comble l'essentiel de l'espace entre le quai et le véhicule permettant un accès sécurisé et confortable à l'intérieur du véhicule. L'ajustement serré assuré par les deux surfaces de serrage parallèles est dimensionné pour retenir la lame 24 lors de la circulation du train, notamment du fait des vibrations. Cet ajustement est également dimensionné pour éviter un basculement de la lame sous l'action du poids d'un passager reposant sur le bord de la lame et pour supporter les coups pouvant être donnés par les passagers lors du franchissement du seuil.Initially, the blade 24 is as illustrated in Figure 2. This is retained only by clamping between the two surfaces 30A, 30B. So, when the vehicle is docked, the blade 24 fills most of the space between dock and vehicle allowing secure and comfortable access to the interior of the vehicle. The tight fit provided by both clamping surfaces parallel is sized to hold the blade 24 during the circulation of the train, especially because of vibrations. This adjustment is also dimensioned to prevent tilting of the blade under the action of weight of a passenger resting on the edge of the blade and to bear the blows may be given by passengers when crossing the threshold.

En revanche, l'ajustement serré est suffisamment faible pour que, si la lame heurte le quai, lors de la circulation du véhicule, la lame s'escamote partiellement dans l'espace libre 31, comme illustré sur la figure 3.In contrast, the tight fit is small enough that, if the blade hits the dock, when the vehicle is moving, the blade retracts partially in the free space 31, as illustrated in FIG.

Après escamotage, la lame 24 peut être ressortie manuellement en engageant un outil dans les évidements débouchants 33 ménagés sur la face inférieure de la lame et traction de la lame depuis cet outil pour ramener celle-ci dans sa position en saillie telle qu'illustrée sur la figure 2. La lame est alors à nouveau retenue seulement entre les deux surfaces de serrage 30A, 30B par l'ajustement serré initial.After retraction, the blade 24 can be removed manually by engaging a tool in the through recesses 33 formed on the underside of the blade and pulling the blade from this tool to bring back the latter in its protruding position as illustrated in FIG. blade is then restrained only between the two clamping surfaces 30A, 30B by the initial tight fit.

Ainsi, on comprend qu'une même lame peut être déplacée plusieurs fois lors de chocs sur un quai et chaque fois remise en place facilement, la liaison seulement par ajustement serré évitant tout démontage et remplacement de moyens de liaison complexes.Thus, it is understood that the same blade can be moved several times when shocks on a dock and each time put back in place easily, the binding only by tight fit avoiding disassembly and replacement complex linking means.

Sur les figures 4 à 6 est illustré un deuxième mode de réalisation d'un seuil selon l'invention.FIGS. 4 to 6 show a second embodiment of a threshold according to the invention.

Dans ce mode de réalisation, les éléments identiques ou analogues à ceux du mode de réalisation des figures 1 à 3 sont désignés par les mêmes numéros de référence auxquels il a été ajouté 100.In this embodiment, elements identical or analogous to those of the embodiment of Figures 1 to 3 are designated by the same reference numbers to which it has been added 100.

Ainsi, le seuil présente, comme précédemment, une lame 124 engagée dans une chape 129 visible sur la figure 5. Toutefois, la lame 124 n'est pas retenue par un ajustement serré entre les deux bras 128A, 128B de la chape.Thus, the threshold has, as before, a blade 124 engaged in a yoke 129 visible in Figure 5. However, the blade 124 is not retained by a tight fit between the two arms 128A, 128B of the clevis.

Au contraire, dans ce mode de réalisation, d'autres moyens 150 de serrage de la lame 124 contre la surface de serrage inférieure 130A de l'aile 128A sont prévues, la lame étant dégagée mais proche de la surface 130B du bras 128B, cette surface 130B ne formant plus une surface de serrage.On the contrary, in this embodiment, other means 150 of clamping the blade 124 against the lower clamping surface 130A of the wing 128A are provided, the blade being clear but close to the surface 130B of arm 128B, this surface 130B no longer forming a clamping surface.

Les moyens de serrage 150 comportent un tirant 152 solidaire du bras 128A et engagé dans une rainure 154 en T formée dans la lame. Cette rainure 154 en T s'étend suivant la direction de déplacement de la lame. Avantageusement, trois ou quatre tirants 152, associés chacun à une rainure, sont répartis suivant la longueur de la lame.The clamping means 150 comprise a tie 152 integral with the arm 128A and engaged in a T-shaped groove 154 formed in the blade. This T-slot 154 extends in the direction of travel of the blade. Advantageously, three or four tie rods 152, each associated with a groove, are distributed along the length of the blade.

Chaque tirant 152 comporte un lardon 155 présentant une tête élargie 156 comportant au moins un méplat latéral, dans laquelle est engagée une vis de serrage 158 traversant un orifice 160 ménagé dans le bras 128A. La tête de la vis 158 s'appuie sur la surface extérieure du bras 128A.Each tie 152 has a gib 155 with an enlarged head 156 having at least one lateral flat, in which is engaged a clamping screw 158 passing through an orifice 160 formed in the arm 128A. The head of the screw 158 is supported on the outer surface of the arm 128A.

La tête 156 du lardon présente deux oreilles latérales prenant appui sur les surfaces ménagées dans la rainure en T 154 et s'étendant parallèlement à la surface de serrage 130A.The head 156 of the bacon has two lateral ears taking support on the surfaces formed in the T-slot 154 and extending in parallel to the clamping surface 130A.

Avantageusement, pour assurer le montage du lardon 155, la rainure 154 en T débouche à une extrémité libre disposée du côté orienté dans le sens de rétraction de la lame. Au contraire, la rainure 154 en T est obturée à l'extrémité en saillie de la lame.Advantageously, to ensure the assembly of the lardon 155, the groove 154 T terminates at a free end disposed on the side oriented in the direction of retraction of the blade. On the contrary, the groove 154 in T is closed at the projecting end of the blade.

Comme illustré sur les figures 4 et 6, le seuil comporte en outre une butée d'arrêt longitudinale de la lame. Cette butée comporte un pion 180 solidarisé au support et plus précisément au bras 128A de la chape. Ce pion est par exemple vissé sur le bras 128A et fait saillie dans la chape. Le pion présente une résistance au cisaillement supérieure à celle du tirant 152.As illustrated in FIGS. 4 and 6, the threshold further comprises a longitudinal stop of the blade. This stop includes a pawn 180 secured to the support and more specifically to the arm 128A of the yoke. This pawn is for example screwed on the arm 128A and protrudes into the yoke. The pawn has a higher shear strength than tie rod 152.

Le pion est reçu dans une rainure 182 dont la largeur est très légèrement supérieure à celle du tirant. Cette rainure s'étend suivant le sens de déplacement de la lame.The pawn is received in a groove 182 whose width is very slightly greater than that of the tie rod. This groove extends in the direction of displacement of the blade.

Dans ce mode de réalisation, la retenue de la lame 124, dans sa position normale en saillie, est assurée par le serrage des vis 158 qui maintiennent la lame 124 serrée contre la seule surface de serrage 130A, de manière à établir une force de frottement entre la lame et le support. La force de frottement ainsi créée dépend du serrage des vis 158 qui impose une force de traction au travers du tirant 152. Ainsi, il est possible que la lame ne s'escamote qu'à partir de l'application d'un effort prédéterminé sur la lame.In this embodiment, the retention of the blade 124, in its position normal projection, is ensured by the tightening of the screws 158 which maintain the blade 124 clamped against the single clamping surface 130A, so to establish a friction force between the blade and the support. Strength friction thus created depends on the tightening of the screws 158 which imposes a pulling force through the tie rod 152. Thus, it is possible that the blade retracts only from the application of a predetermined force on the blade.

Pour la remise en place de la lame, après un escamotage, les vis 158 sont desserrées et la lame est repositionnée, après quoi les vis sont resserrées à un couple prédéterminé assurant une retenue satisfaisante de la lame.For the replacement of the blade, after a retraction, the screws 158 are loosened and the blade is repositioned, after which the screws are tightened to a predetermined pair ensuring a satisfactory hold of the blade.

Dans ce mode de réalisation également, la lame peut être remise en état facilement après escamotage, sans qu'il soit nécessaire de changer les moyens de fixation.In this embodiment also, the blade can be reset state easily after retraction without the need to change the fastening means.

Par ailleurs, la présence des butées 180 permet d'éviter un déplacement longitudinal de la lame, même en cas d'effort axial très important qui aurait pu conduire au cisaillement des tirants 152.Moreover, the presence of the stops 180 makes it possible to avoid a displacement longitudinal axis of the blade, even in the case of very large axial forces could have led to the shearing of the tie rods 152.

Claims (13)

Seuil de porte pour un véhicule ferroviaire destiné à combler partiellement l'intervalle entre le véhicule et un quai comportant un support (22 ; 122) adapté pour être lié à la structure (16) du véhicule ferroviaire et une lame (24 ; 124) retenue par ledit support (22 ; 122), laquelle lame (24 ; 124) est déplaçable entre une position normale en saillie par rapport au support (22) et une position escamotée dans le support (22 ; 122), caractérisé en ce qu'il comporte des moyens (30A, 30B ; 150) de serrage de la lame contre au moins une surface de serrage (30A, 30B ; 130A) du support pour établir un frottement de valeur déterminée entre la lame (24) et le support (22 ; 122) s'opposant au déplacement de la lame (24 ; 124) par rapport au support (22 ; 122) dans le plan de la ou chaque surface de serrage (30A, 30B ; 130A).Door sill for a railway vehicle intended to partially fill the gap between the vehicle and a platform comprising a support (22; 122) adapted to be connected to the structure (16) of the railway vehicle and a blade (24; 124) retained by said support (22; 122), which blade (24; 124) is movable between a normal position projecting from the support (22) and a retracted position in the support (22; 122), characterized in that comprises means (30A, 30B; 150) for clamping the blade against at least one clamping surface (30A, 30B; 130A) of the support to establish a determined value of friction between the blade (24) and the support (22; 122) opposing movement of the blade (24; 124) relative to the support (22; 122) in the plane of the or each clamping surface (30A, 30B; 130A). Seuil de porte selon la revendication 1, caractérisé en ce que lesdits moyens de serrage (30A, 30B ; 150) sont les seuls moyens de retenue de la lame (24).Door sill according to Claim 1, characterized in that the said clamping means (30A, 30B; 150) are the only means of retaining the blade (24). Seuil de porte selon la revendication 1 ou 2, caractérisé en ce que la lame (24 ; 124) et le support (22 ; 122) comportent des moyens de guidage de la lame de sa position normale en saillie à sa position escamotée, lesquels moyens sont disposés aux extrémités de la lame (24 ; 124).Door threshold according to claim 1 or 2, characterized in that the blade (24; 124) and the support (22; 122) comprise means for guiding the blade from its normal position projecting to its retracted position, which means are disposed at the ends of the blade (24; 124). Seuil de porte selon l'une quelconque des revendications précédentes, caractérisé en ce que la lame (24 ; 124) est formée d'un matériau polymère.Door sill according to one of the preceding claims, characterized in that the blade (24; 124) is formed of a polymeric material. Seuil de porte selon l'une quelconque des revendications précédentes, caractérisé en ce que la lame (24 ; 124) présente au moins un profil d'accrochage (33) pour un outil de traction permettant le déplacement de la lame (24 ; 124) de sa position escamotée à sa position normale en saillie.Door threshold according to any one of the preceding claims, characterized in that the blade (24; 124) has at least one attachment profile (33) for a traction tool for moving the blade (24; 124). from its retracted position to its normal projecting position. Seuil de porte selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comporte en outre au moins une butée d'arrêt longitudinale de la lame (124) solidaire de l'un de la lame (124) et du support (122), la butée étant reçue coulissante dans une rainure (182) ménagée dans l'autre de la lame (124) et du support (122), laquelle rainure (182) s'étend suivant la direction de déplacement de la lame (124). Door threshold according to any one of the preceding claims, characterized in that it further comprises at least one longitudinal stop of the blade (124) integral with one of the blade (124) and the support ( 122), the stop being slidably received in a groove (182) in the other of the blade (124) and the support (122), which groove (182) extends in the direction of travel of the blade (124). ). Seuil de porte selon l'une quelconque des revendications précédentes, caractérisé en ce que le support (22) délimite une chape (29) de maintien de la lame (24), laquelle chape (29) présente deux surfaces de serrage (30A, 30B) en regard entre lesquelles la lame (24) est retenue par un ajustement serré.Door threshold according to any one of the preceding claims, characterized in that the support (22) delimits a clevis (29) for holding the blade (24), which clevis (29) has two clamping surfaces (30A, 30B ) facing between which the blade (24) is retained by a tight fit. Seuil de porte selon la revendication 7, caractérisé en ce que le support (22) comporte un profilé métallique présentant deux bras (28A, 28B) portant chacun une surface de serrage (30A, 30B) et délimitant ladite chape (29) de maintien de la lame (24), les deux bras (28A, 28B) étant reliés dans le profilé par une âme (26) avec laquelle ils sont venus de matière.Door threshold according to claim 7, characterized in that the support (22) comprises a metal profile having two arms (28A, 28B) each carrying a clamping surface (30A, 30B) and delimiting said support clevis (29). the blade (24), the two arms (28A, 28B) being connected in the profile by a core (26) with which they came from material. Seuil de porte selon l'une quelconque des revendications 7 et 8, caractérisé en ce que ladite chape (29) délimite un espace libre (31) de réception de la lame (24) dans sa position escamotée.Door threshold according to any one of claims 7 and 8, characterized in that said yoke (29) defines a free space (31) for receiving the blade (24) in its retracted position. Seuil de porte selon l'une quelconque des revendications 1 à 6, caractérisé en ce que lesdits moyens de serrage (150) comportent au moins un tirant (152) solidaire d'un premier de la lame (124) et du support (122), lequel tirant (152) est monté coulissant par rapport au second de la lame (124) et du support (122) et prend appui sur le second de la lame (124) et du support (122), le tirant (152) appliquant une force de serrage de la lame (124) contre la surface de serrage (130A) du support.Door threshold according to any one of claims 1 to 6, characterized in that said clamping means (150) comprise at least one tie rod (152) integral with a first blade (124) and the support (122) , which pulling (152) is slidably mounted relative to the second of the blade (124) and the support (122) and bears on the second of the blade (124) and the support (122), the pulling (152) applying a clamping force of the blade (124) against the clamping surface (130A) of the carrier. Seuil de porte selon la revendication 10, caractérisé en ce que le tirant (152) comporte une vis de serrage (158) propre à ajuster la force de serrage imposée par le tirant.Door threshold according to claim 10, characterized in that the tie rod (152) comprises a clamping screw (158) adapted to adjust the clamping force imposed by the tie rod. Seuil de porte selon la revendication 10 ou 11, caractérisé en ce que l'un de la lame et du support comporte une rainure (154) en T ménagée dans son épaisseur et que le tirant (152) comporte un lardon (155) reçu dans ladite rainure (154).Door threshold according to claim 10 or 11, characterized in that one of the blade and the support has a groove (154) T-shaped formed in its thickness and that the tie (152) comprises a gib (155) received in said groove (154). Seuil de porte selon la revendication 10 ou 11, caractérisé en ce que ladite rainure (154) en T est ménagée dans la lame (124) et s'ouvre à une extrémité disposée du côté tourné vers la position escamotée de la lame (124).Door threshold according to claim 10 or 11, characterized in that said groove (154) in T is formed in the blade (124) and opens at one end disposed on the side facing the retracted position of the blade (124) .
EP05290200A 2004-02-04 2005-01-28 Step for the entry door of a railway vehicle Expired - Lifetime EP1561662B1 (en)

Priority Applications (1)

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PL05290200T PL1561662T3 (en) 2004-02-04 2005-01-28 Step for the entry door of a railway vehicle

Applications Claiming Priority (2)

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FR0401079A FR2865700B1 (en) 2004-02-04 2004-02-04 THRESHOLD OF ACCESS DOOR IN THE INTERIOR OF A RAILWAY VEHICLE.
FR0401079 2004-02-04

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EP (1) EP1561662B1 (en)
JP (1) JP2005219734A (en)
AT (1) ATE404414T1 (en)
AU (1) AU2005200402B2 (en)
DE (1) DE602005008779D1 (en)
ES (1) ES2310325T3 (en)
FR (1) FR2865700B1 (en)
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Publication number Publication date
DE602005008779D1 (en) 2008-09-25
ATE404414T1 (en) 2008-08-15
EP1561662B1 (en) 2008-08-13
AU2005200402B2 (en) 2011-03-10
FR2865700B1 (en) 2006-05-05
US20050217533A1 (en) 2005-10-06
JP2005219734A (en) 2005-08-18
AU2005200402A1 (en) 2005-08-18
US7178467B2 (en) 2007-02-20
PL1561662T3 (en) 2009-01-30
FR2865700A1 (en) 2005-08-05
ES2310325T3 (en) 2009-01-01

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