EP2493741A1 - Deformable assembly acting as an intercommunicating gangway between two consecutive bodies having wheeled bases - Google Patents

Deformable assembly acting as an intercommunicating gangway between two consecutive bodies having wheeled bases

Info

Publication number
EP2493741A1
EP2493741A1 EP10775907A EP10775907A EP2493741A1 EP 2493741 A1 EP2493741 A1 EP 2493741A1 EP 10775907 A EP10775907 A EP 10775907A EP 10775907 A EP10775907 A EP 10775907A EP 2493741 A1 EP2493741 A1 EP 2493741A1
Authority
EP
European Patent Office
Prior art keywords
plate
blades
deformable assembly
deformable
assembly
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
EP10775907A
Other languages
German (de)
French (fr)
Other versions
EP2493741B1 (en
Inventor
Jean-Luc Andre
Serge Brion
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.)
Lohr Industrie SA
Original Assignee
Lohr Industrie 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 Lohr Industrie SA filed Critical Lohr Industrie SA
Publication of EP2493741A1 publication Critical patent/EP2493741A1/en
Application granted granted Critical
Publication of EP2493741B1 publication Critical patent/EP2493741B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B61D17/20—Communication passages between coaches; Adaptation of coach ends therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D3/00—Wagons or vans
    • B61D3/16—Wagons or vans adapted for carrying special loads
    • B61D3/18—Wagons or vans adapted for carrying special loads for vehicles
    • B61D3/187—Details, e.g. bridges for floor connections

Definitions

  • Deformable assembly serving as passage of intercirculation between two successive plates of rolling base.
  • the present invention relates to a deformable assembly for making a gangway passage between two platforms or adjacent trays carried by a rolling base or by two successive rolling bases interconnected by a traction link.
  • the area of the gangway between two successive platforms, carried by one or more rolling bases was developed for the transport of passengers, but also for the transport of goods, including road vehicles and other motorized rolling loads or goods to bring , remove or move by handling handling means during loading and unloading operations.
  • the gangways must be able to adapt easily to these variations or deformations of the space between the platforms, without causing discomfort during taxiing.
  • the problem is further increased when the height or inclination of the trays or platforms relative to each other is variable, which is the case, for example, loading stage wheel bases for transportation of vehicles.
  • the gangways for the passengers are quite particular because they require a higher protection to form closed sets relative to the outside environment.
  • pivoting connecting flaps These two pivoting flaps provide, in the folded and deployed state, the interconnection connection between the successive trays.
  • Each flap has an end which is pivotally mounted on the or near the transverse end edge of a plate and another end which rests after pivoting on a bearing zone in the vicinity of the opposite transverse end edge. from the next board.
  • the shutters are each articulated on an opposite transverse end edge to form a bridge with two foldable and deployable elements.
  • this gateway structure is not without its various disadvantages.
  • the main one of them relates to the need for the operator to have to deploy and then fold down the different parts of the gangways bridges, an oversight on his part that could lead to damage to the shutters or the end of the tray while driving.
  • this structure is only used during loading and unloading operations. Indeed, during the taxi, It is impossible to leave a load, such as a vehicle for example, at this structure, with a portion on one of the trays and another part on the other tray.
  • the object of the invention is to provide a deformable assembly for making a gangway passage between two successive plates of one or two successive rolling bases, which does not have the disadvantages of this system of the prior art.
  • the present invention relates to a passage of intercirculation between two successive carrier trays in the form of one or two independent deformable structures, adjacent but not contiguous, allowing maneuvers and adjustments in position, height or inclination of the trays without risk interference and respecting a maximum distance between them.
  • this crossing allows to absorb the differences in shape of the road or the road such as intaglio, rounded, cant, as well as any changes in level or shape.
  • guidance and movements of approach or distance due to rolling braking, acceleration, cornering, shaking.
  • the gangway passage according to the invention is used at standstill during the loading and unloading operations. But, it remains in place, without causing discomfort, during the rolling or the relative maneuvers of the trays between them.
  • a load such as a vehicle for example, which can be placed at this passage, with a portion on one of the trays and another part on the other tray.
  • the invention provides a deformable assembly intended to be mounted at the end of a tray or platform of a rolling base, in the free space separating this plate from another plateau opposite, so to make a passage of intercirculation between these two successive trays.
  • this deformable assembly comprises a set of flexible metal blades, preferably of trough profile, each comprising a central portion extended on each side by a lateral arm.
  • These blades are erected on their edge, juxtaposed one against the other in the manner of a stack and fixed by their central portion at the end of the plate, their lateral arms remaining elastically deformable.
  • the deformable assembly is independent of the plateau opposite and comprises an end plate which corresponds to the blade farthest from the end of the plate on which it is mounted.
  • the deformable assembly preferably comprises an extension stop device which limits the extension of the blades, for example by operating on its end plate.
  • the blades are preferably mounted in elastic return beyond the edge. transverse end and are limited in deployment by the stop device.
  • the invention thus provides a passage between two successive trays or platforms, carried by a rolling base or by two successive rolling bases and separated by a free space, which comprises at least one such deformable assembly.
  • this passage of intercirculation comprises two deformable assemblies, independent of one another and mounted vis-à-vis in the free space separating the two trays, each to the one of the ends facing each other of the two successive trays.
  • the invention also teaches a rolling base plate which comprises a deformable assembly of this type mounted on at least one of its ends.
  • Figure 1 is a general view of two rail rolling bases equipped with a gangway according to the invention between their upper platforms;
  • Figures 2 to 5 are views, respectively from above, in profile, in perspective and an enlarged detail, showing a first variant of the gangway according to the invention during a passage in a straight line;
  • Figures 6 to 9 are views, respectively from above, in profile, in perspective and an enlarged detail, showing the gangway passage according to the first embodiment of the invention during a curve crossing;
  • Figures 10 to 13 are views, respectively from above, in profile, in perspective and an enlarged detail, showing the passage of the intercirculation according to the first embodiment of the invention during a recessed passage;
  • FIG. 14 to 17 are views, respectively from above, in profile, in perspective and an enlarged detail, showing the gangway passage according to the first variant of the invention during the operation of one of the trays; .
  • FIG. 18 is an exploded perspective view showing the various constituent elements of one of the deformable assemblies of the gangway according to the first variant of the invention, fixed at the end of one of the plates;
  • Figures 19 and 20 are views, respectively from above and in perspective showing a second simplified variant of the gangway according to the invention during a passage in a straight line.
  • FIG. 1 shows an example of preferential application of a gangway 1 according to the invention. It is a fraction of a convoy 2 of 3 rolling railway bases, linked to each other by a conventional coupling device 4 bogie or other and pulled by a motorized vehicle not shown locomotive type placed at the front of the convoy.
  • Each of these rolling bases 5, 6 comprises a lower plate or platform (e), respectively 7 and 8, and a top plate or platform (e), respectively 9 and 10, specially arranged (s) for the transport of vehicles.
  • the upper platforms 8 are tilting and of adjustable height.
  • a gangway 1 according to the invention is disposed in the free space 1 1 between the upper platform 9 of the front wheel base 5, the upper platform 10 of the rear rolling base 6.
  • the gangway according to the invention can equip all kinds of rolling bases, whether road or rail and intended for the transport of vehicles or vehicles. any other goods, or even passengers.
  • the passage of the intercirculation according to the invention is particularly advantageous in the case of trays or successive platforms of variable height or inclination. However, it can be used with trays or platforms of fixed height and / or inclination.
  • rolling bases 3 having only one platform or having more than two platforms in order to achieve a gangway between each or between some only successive platforms.
  • FIGS. 2 to 18 A preferred embodiment of the gangway 1 according to the invention will now be described with reference to FIGS. 2 to 18.
  • the passage of intercirculation 1 comprises a deformable assembly 12, elastically deformable by compression and / or extension, mounted at the end 14 of the plate 9 of the rolling base 5, in the free space 1 1 separating the plate 9 of the plateau 10 opposite.
  • This deformable assembly 12 is independent of the plate 10 opposite.
  • the gangway 1 may have only one deformable assembly 12 mounted at the end of any one of the two trays, the end of the other plateau opposite vis-à-vis remaining free and not linked to the deformable assembly 12.
  • the gangway may comprise two deformable assemblies 12 and 13 independent and each placed at one of the ends, respectively 14 and 15, screwed together. with successive trays 9 and 10.
  • the two sets deformable 12 and 13 may be in contact with each other, but are not related to each other. They form by juxtaposition and extension passage gangway 1 according to the invention.
  • Each deformable assembly 12, 13 consists of a succession of metal blades 16, fixed at the end 14 or 15 of the corresponding plate 9 or 10, and preferably on the transverse edge respectively 17 or 18 of this end 14 or 15.
  • the transverse bulk of the deformable assembly 12, 13 is preferably substantially equal to the width of the plate 9 or 10 on which it is mounted.
  • the metal blades 16 are substantially flat and comprise a central portion 19 extended by two lateral arms 20 each extending on one side of the central portion 19.
  • these blades 16 have a profile of general shape trough prolonged on each side by an end branch 21, preferably parallel to the bottom of the trough.
  • This profile is characterized in that it has a flat central portion 19, for example horizontal, extended on each side by an oblique lateral flange 22, followed by the end branch 21 which is preferably parallel to the flat central portion 19 or divergent in the rest position.
  • the lateral arms 20 are each formed of an oblique lateral wing 22 and an end branch 21.
  • the blades 16 are preferably made in one piece, except the end plate 23 of each deformable assembly 12, 13 that is to say the end which, for reasons of ease of assembly, is preferably performed in two pieces, for example in the form of two half-blades 24 as described below.
  • These blades 16, 23 are not arranged flat, but erect on their edge and juxtaposed against each other in the manner of a stack.
  • the blades 16 and 23 are fixed on the transverse edge 17 or 18 of each end 14, 15 opposite the carrying plates 9, 10, by means of a set of bolts 25 which pass through a series of holes 26 formed in the central portion 19 of the blades 16 pressed against each other, then a series of orifices 27 formed in the transverse edge 17, 18 of the plate 9, 10 and are locked at the rear of the transverse edge 17 , 18 by a set of nuts not shown.
  • the successive blades 16 of each deformable assembly 12, 13 may have for example an increasing flare of their lateral arms 20 of the terminal blade 23 to that placed closest to the end 14, 15 of the plate 9, 10, or, as in the example shown, parallel lateral arms 20 in the rest position and a central portion 19 of increasing length of the end plate 23 to that placed most near the end 14, 15 of the plate 9, 10.
  • the lateral arms 20 of the blades 16 being metal and free end, they can deform following compression or relaxation as will be seen below.
  • the oblique lateral wings 22 and the end branches 21, or more generally the lateral arms 20 can adopt different orientations resulting from their stress in compression or relaxation.
  • the profile of the blades 16 can thus be widened by spacing the lateral arms 20 following compression or on the contrary tighten after relaxation.
  • each blade 16 is not necessarily symmetrical, each of them can adopt a different orientation depending on the stress in compression or relaxation that it undergoes and which is not necessarily identical to that of his counterpart.
  • each blade 16, 23 change direction by an elbow or a fold, such as for example, which is shaped in the structure of the blade and thus allows to keep good flexibility to the entire blade. 23 by giving it an aptitude for deformation following a thrust or extension in the longitudinal direction of the carrier plate 9, 10.
  • the end plate 23 advantageously has a shape different from the other blades 16. Its lateral arms 20 each continue towards the rear, that is to say in the direction of the plate 9, 10 on which the deformable assembly 12, 13 is mounted by a longitudinal return 28 in order to achieve a stop function in extension.
  • Each of these longitudinal returns 28 cooperates with a retaining means 29 located on the corresponding plate 9, 10, to form an extension stop device 30.
  • This stop device 30 can take various technical forms. It may be as shown, an end of the longitudinal return 28 which slides in a guide 31, for example by bridge, fixed on the flank profile 32, 33 of the plate 9 or 10 concerned and serving as a retaining means 29 cooperating with a form of end locking 34 of each longitudinal return 28, for example T or harpoon, to limit the extension of the blades 16.
  • the purpose of the abutment device 30 is to hold the end plate 23 at each of its ends during the extension movements, by imposing on them a limit position of maximum extension in which the end-locking shape 34 found in abutment against the guide 31 and thus opposes any further extension movement.
  • the abutment device 30 By retaining the end plate 23, the abutment device 30 also retains all the other blades 16 of the stack that are wedged between the end plate 23 and the transverse edge 17, 18 of the corresponding plate 9, 10.
  • the blades 16 and 23 are preferably held in elastic tension, that is to say in prestressing, regardless of their position.
  • the blades 16, 23 are preferably made of metal with high elastic limits and mounted in compressive elastic stress.
  • they retain an elastic stress to ensure the return movement in extension and have a compressive elastic hardness determined by construction.
  • This prestressing advantageously makes it possible to reduce the noise nuisance during running by avoiding the vibration of the blades 16, 23 of the deformable assemblies 12, 13.
  • each longitudinal return 28 comprises a contact piece 35 forming a buffer, located at the end of each of its lateral arms 20, preferably at the elbow corresponding to the birth of each longitudinal return 28.
  • the contact pieces 35 of the end plate 23 of the deformable assembly 12, 13 are intended to come into bearing contact with the contact parts 35 homologous to the end plate 23 of the deformable assembly 12, 13 opposite.
  • the contact parts 35 of its end plate 23 cooperate with the end edge of the plate opposite when they are in contact with each other. support with this one.
  • Each contact piece 35 preferably has a wraparound convex shape with a central portion 43, a lateral flank 36, an upper front 37 and a lower front 38 bent rearward, that is to say towards the plate 9, 10 on which the deformable assembly 12, 13 is mounted.
  • a substantially rounded contact area can form a sliding support so as to ensure a fixed or movable contact both front and side. This makes it possible to maintain a bearing contact both in the case of an in-line approaching thrust and obliquely following inclined movements of the trays resulting from the different forms of the road or the track, for example a cant, elevation, lowering of the road level or adjustment movements of trays.
  • the upper front 37 and / or the lower front 38 may not be limited to the contact piece 35 and may extend over part or all of the end plate 23 so as to cover or to completely or partially wrap the other blades 16 in the compressed state of the device.
  • the contact piece 35 may advantageously be made in one piece with the end plate 23 as in the example shown. It can also be a separate part, manufactured independently and subsequently reported on the end plate 23. It is then fixed at the elbow separating the end branch 21 of the longitudinal return 28 by any means available to the user. skilled person.
  • the longitudinal return 28 can also be made in the form of an independent piece, reported by any appropriate means on the end plate 23 or on the contact piece 35. It can also be made of a alone with the contact piece 35, the assembly being independent of the end plate 23 and attached and fixed thereto by any appropriate means.
  • the longitudinal return 28 is not formed in one piece with the end plate 23
  • the latter can advantageously be made in one piece like the rest of the blades 16 and no longer in the form of two half-blades. blades 24.
  • the deformable assembly 12, or each deformable assembly 12, 13 in the preferred embodiment of the invention shown in Figures 2 to 18, may comprise at least one filling blade 40 disposed in the free space January 1 at the central portion 19 of its blades 16.
  • the central empty space 39 is filled by one or more filler blades 40.
  • the filling blades 40 are additional blades, preferably substantially straight and transverse, which are movably mounted on the end plate 23 of each deformable assembly 12, 13 and which has an increasing length as they move away from the central portion. 19 of the terminal blade 23.
  • These filling blades 40 are hooked by their ends on the oblique lateral wings 22 of each end plate 23. They have for this, at their ends, angled attachment tabs 41 which are mounted in longitudinal openings 42 of suitable lengths provided. in the lateral arms 20, more precisely in the oblique lateral wings 22, of each end plate 23.
  • the opening or respectively closing movement of the lateral arms 20 of the end plate 23 increases or decreases respectively the distance between the oblique lateral wings 22 and therefore the useful length of the filling blades 40.
  • the bent hooking tabs 41 at the end of the filling blades 40 can advantageously slide along the longitudinal openings 42 of the end plate 23 under the engine pushing effect or releasing corresponding to the approaching or opening of the oblique lateral wings 22.
  • the two deformable assemblies 12 and 13 may be closer together than in the example shown. They may even be in contact with each other at their buffer contact pieces. However, the blades 16 must not be completely compressed at rest, so that they can subsequently be freely deformed in both directions in order to adapt smoothly to the variations induced by rolling.
  • extension or compression movements may occur depending on the acceleration or deceleration and braking of the vehicle.
  • accelerations there is an extension force which causes the length of the gangway 1 to increase. This increase, however, is limited by the stroke of the extension stop devices 30 described above.
  • the gangway 1 according to the invention is in the configuration shown in Figures 6 to 9.
  • the passageway 1 is compressed on the inside of the curve and in extension on the side outside the curve.
  • the contact parts 35 of the two deformable assemblies 12, 13 are in sliding contact with each other.
  • the end plates 23 are pushed towards the end 14 or 15 of their platform 9 or 10 respectively, which is accompanied by a sliding of the longitudinal returns 28 in the guides 31.
  • the end plates 23 then compress the other blades 16 of the deformable assembly 12, 13 which are in turn pushed towards the end 14 or 15 corresponding.
  • the blades 16 and 23 are in their maximum extended position limited by the extension stop device 30.
  • Figures 10 to 13 illustrate the behavior of the gangway passage 1 according to the invention when the vehicle is in a recessed passage.
  • the deformable assemblies 12 and 13 are compressed at their upper part.
  • the contact pieces 35 are in contact with their counterpart opposite their upper front 37 and possibly their central part 43.
  • the combination of the deformable nature of the gangway 1 and the contact pieces 35 forming a buffer allows to absorb the variations in presentation, orientation and distance between the ends 14, 15 opposite the trays 9, 10 equipped with the gangway 1 according to the invention.
  • the passage of intercirculation 1 advantageously makes it possible to make variations of height or inclination of the platforms 9, 10 relative to each other without the operator having to intervene at the level of the gangway.
  • the enveloping shape of the contact pieces 35 with their upper and lower edges 37 serving as a ramp makes it possible to maintain a sliding contact between the two deformable assemblies 12 and 13, even when the two sets are very close to each other. the other because of a coupling device 4 of short length.
  • the inclined shape of the upper fronts 37 and lower 38 acts as a progressive slip ramp which accompanies the exhaust of the two deformable assemblies 12 and 13.
  • the blades 16 and 23 of the two deformable assemblies 12 and 13 which were initially compressed, unfold gradually. as this guided sliding movement, until reaching their limit extension position when the platform 9 rising past the platform 10 still.
  • the contact pieces 35 come into contact with the lower face 38 of the high platform 9 and the upper edge 37 of the lower platform 10, while the two deformable assemblies 12 and 13 are in the maximum extension configuration. During the downward movement of the platform 9, the contact pieces 35 slide over each other by their respective lower inclined edges 38 and upper 37 which serve as progressive ramps and the blades 16 and 23 of the two deformable assemblies 12 and 13 are gradually compressed.
  • the operating mode of the gangway 1 having only a single deformable assembly 12 is similar to that of the gangway passage having two. It can easily be deduced from the description above.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Transportation (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Handcart (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Vibration Dampers (AREA)

Abstract

The invention relates to a deformable assembly (12) which comprises an assembly of flexible metal leaves (16), each including a central portion having a side arm extending from each end thereof. Said leaves are placed standing on edge, stacked against one another and attached by means of the central portion thereof to the end of a plate (9) supported by a wheeled base (5). The lateral arms thereof remain elastically deformable. The deformable assembly preferably comprises an extension abutment device (28, 29) which limits the extension of the leaves by means of acting on the end leaf (23). An intercommunicating gangway (1) between two consecutive plates (9, 10) is manufactured using one or two of said deformable assemblies (12, 13), each one of which is mounted on one of the opposing ends (17, 18) of the two plates (9, 10) and independent from the other leaf and/or from the other plate (10) opposite thereof. Said invention relates to the field of road or rail transport.

Description

Ensemble déformable servant de passage d'intercirculation entre deux plateaux successifs de base roulante.  Deformable assembly serving as passage of intercirculation between two successive plates of rolling base.
La présente invention se rapporte à un ensemble déformable permettant de réaliser un passage d'intercirculation entre deux plateformes ou plateaux adjacents portés par une base roulante ou par deux bases roulantes successives reliées entre elles par une liaison de traction. The present invention relates to a deformable assembly for making a gangway passage between two platforms or adjacent trays carried by a rolling base or by two successive rolling bases interconnected by a traction link.
Le domaine du passage d'intercirculation entre deux plateformes successives, portées par une ou plusieurs bases roulantes a été développé pour le transport de passagers, mais aussi pour le transport de marchandises, notamment de véhicules routiers et autres charges roulantes motorisées ou de marchandises à apporter, enlever ou déplacer par des moyens roulants de manutention lors des opérations de chargement et de déchargement.  The area of the gangway between two successive platforms, carried by one or more rolling bases was developed for the transport of passengers, but also for the transport of goods, including road vehicles and other motorized rolling loads or goods to bring , remove or move by handling handling means during loading and unloading operations.
Afin de faciliter les opérations de chargement et de déchargement, il est en effet, extrêmement souhaitable de pouvoir circuler d'une plateforme à l'autre sans avoir à descendre de la base roulante lorsque l'on atteint son extrémité, pour remonter ensuite sur la plateforme suivante.  In order to facilitate the loading and unloading operations, it is indeed extremely desirable to be able to move from one platform to another without having to go down from the rolling base when reaching its end, then to go back to the next platform.
La présence de passages d'intercirculation entre les plateformes permet en outre de réduire le nombre des rampes d'accès ou des moyens de levage et de manutention nécessaires, en les limitant aux deux bases roulantes situées aux extrémités du convoi.  The presence of gangways between the platforms also makes it possible to reduce the number of access ramps or lifting and handling means necessary, by limiting them to the two rolling bases located at the ends of the convoy.
Cependant, la présence de ces passages d'intercirculation ne doit pas poser de problèmes lors de la circulation du convoi formé par les bases roulantes. Lors du roulage, l'espace situé entre les extrémités en regard de deux plateformes successives de deux bases roulantes successives subit d'importantes variations tant au niveau de ses dimensions que de sa forme, du fait de la topologie du parcours ou des variations de la conduite, par exemple lors de la prise de courbes, de passages en creux ou en relief, de dévers, de freinages, d'accélérations ou de secousses diverses.  However, the presence of these gangways passages should not pose any problems during the movement of the convoy formed by the wheel bases. During rolling, the space between the ends facing two successive platforms of two successive rolling bases undergoes significant variations in both its dimensions and its shape, due to the topology of the course or variations in the driving, for example when taking curves, recesses or relief, cant, braking, acceleration or shaking various.
Les passages d'intercirculation doivent pouvoir s'adapter sans difficulté à ces variations ou déformations de l'espace entre les plateformes, sans causer de gêne lors du roulage. Le problème est encore accru lorsque la hauteur ou l'inclinaison des plateaux ou plateformes l'un(e) par rapport à l'autre est variable, ce qui est le cas, par exemple, des bases roulantes à étage de chargement destinées au transport de véhicules. The gangways must be able to adapt easily to these variations or deformations of the space between the platforms, without causing discomfort during taxiing. The problem is further increased when the height or inclination of the trays or platforms relative to each other is variable, which is the case, for example, loading stage wheel bases for transportation of vehicles.
Les passages d'intercirculation pour les passagers sont assez particuliers car ceux-ci nécessitent une protection supérieure pour constituer des ensembles fermés par rapport au milieu extérieur.  The gangways for the passengers are quite particular because they require a higher protection to form closed sets relative to the outside environment.
Concernant les marchandises, cette protection s'avère peu ou non nécessaire car celles-ci sont déjà protégées individuellement. Ceci est vrai notamment pour le transport de voitures. Pour ce cas, les passages d'intercirculation développés dans l'art antérieur se présentent classiquement sous la forme d'une structure de liaison entre les deux bords transversaux en regard de deux plateformes ou plateaux successifs.  In the case of goods, this protection proves to be of little or no need since they are already individually protected. This is true especially for the transport of cars. For this case, the gangways passages developed in the prior art are conventionally in the form of a connecting structure between the two transverse edges facing two platforms or successive trays.
La réalisation antérieure la plus simple et la plus courante met en oeuvre des volets pivotants de jonction. Ces volets pivotants au nombre de deux assurent, à l'état rabattu et déployé, la liaison d'intercirculation entre les plateaux successifs. Chaque volet présente une extrémité qui est montée pivotante sur le, ou à proximité du, bord transversal d'extrémité d'un plateau et une autre extrémité qui vient reposer après pivotement sur une zone d'appui au voisinage du bord transversal opposé d'extrémité du plateau suivant. Les volets sont articulés chacun sur un bord transversal opposé d'extrémité pour constituer une passerelle à deux éléments rabattables et déployables.  The simplest and most common previous embodiment uses pivoting connecting flaps. These two pivoting flaps provide, in the folded and deployed state, the interconnection connection between the successive trays. Each flap has an end which is pivotally mounted on the or near the transverse end edge of a plate and another end which rests after pivoting on a bearing zone in the vicinity of the opposite transverse end edge. from the next board. The shutters are each articulated on an opposite transverse end edge to form a bridge with two foldable and deployable elements.
Lorsque les opérations de chargement et de déchargement sont terminées, ces volets doivent être manuellement rabattus sur la plateforme avec laquelle ils sont liés afin de ne pas causer de gêne lors du roulage.  When the loading and unloading operations are completed, these flaps must be manually folded down on the platform with which they are linked so as not to cause discomfort during taxiing.
Bien que particulièrement simple, cette structure de passerelle n'est pas sans présenter divers inconvénients. Le principal d'entre eux porte sur la nécessité pour l'opérateur d'avoir à déployer, puis à rabattre les différents volets des passerelles d'intercirculation, un oubli de sa part pouvant conduire à un endommagement des volets ou de l'extrémité du plateau pendant le roulage.  Although particularly simple, this gateway structure is not without its various disadvantages. The main one of them relates to the need for the operator to have to deploy and then fold down the different parts of the gangways bridges, an oversight on his part that could lead to damage to the shutters or the end of the tray while driving.
En outre, cette structure ne sert que lors des opérations de chargement et de déchargement. En effet, pendant le roulage, Il est impossible de laisser une charge, telle qu'un véhicule par exemple, au niveau de cette structure, avec une partie sur l'un des plateaux et une autre partie sur l'autre plateau. In addition, this structure is only used during loading and unloading operations. Indeed, during the taxi, It is impossible to leave a load, such as a vehicle for example, at this structure, with a portion on one of the trays and another part on the other tray.
De plus, dans le cas de plateaux de hauteur et/ou d'inclinaison réglables, un risque supplémentaire survient lorsque les mouvements de réglage sont différents pour les deux plateaux successifs.  In addition, in the case of adjustable height and / or inclination trays, an additional risk occurs when the adjustment movements are different for the two successive trays.
Lorsque les volets sont déployés, des mouvements de grande amplitude entre les deux plateaux successifs ainsi reliés, notamment lors de leur manoeuvre de mise en place et d'ajustement, peuvent conduire à l'échappement des volets.  When the flaps are deployed, movements of large amplitude between the two successive trays thus connected, especially during their maneuver setting up and adjustment, may lead to the escape of the flaps.
Lorsque l'extrémité de l'un des plateaux monte, le volet rabattu lié à l'autre plateau commence par se soulever, puis finit par retomber à plat si le mouvement se poursuit. Il constitue alors un obstacle lors du retour du plateau supérieur en position initiale ou inférieure et risque d'être endommagé.  When the end of one of the trays rises, the flap attached to the other tray begins to lift, then eventually fall flat if the movement continues. It then constitutes an obstacle when returning the upper plate to the initial or lower position and may be damaged.
Bien entendu, les opérateurs ont le souci d'éviter la casse. Ils surveillent les manoeuvres pendant toutes les opérations de mise en place des plateaux lors des chargements et des déchargements précédant ou succédant les phases de transport et procèdent aux déploiements et rabattements nécessaires des volets. Cependant, un oubli ne peut être totalement exclu.  Of course, the operators are careful to avoid breakage. They monitor the maneuvers during all the operations of setting up the trays during loading and unloading preceding or succeeding the phases of transport and carry out the deployments and drawdowns necessary of the shutters. However, an oversight can not be totally excluded.
Le but de l'invention est de fournir un ensemble déformable permettant de réaliser un passage d'intercirculation entre deux plateaux successifs d'une ou de deux bases roulantes successives, qui ne présente pas les inconvénients de ce système de l'art antérieur.  The object of the invention is to provide a deformable assembly for making a gangway passage between two successive plates of one or two successive rolling bases, which does not have the disadvantages of this system of the prior art.
La présente invention se rapporte à un passage d'intercirculation entre deux plateaux porteurs successifs sous la forme d'une ou de deux structures déformables indépendantes, adjacentes mais non jointives, permettant des manoeuvres et des ajustements en position, hauteur ou inclinaison des plateaux sans risque d'interférence et en respectant un écart maximal entre eux.  The present invention relates to a passage of intercirculation between two successive carrier trays in the form of one or two independent deformable structures, adjacent but not contiguous, allowing maneuvers and adjustments in position, height or inclination of the trays without risk interference and respecting a maximum distance between them.
Grâce à son aptitude à la déformation, ce passage d'intercirculation permet d'absorber les différences de forme de la voie ou de la route telles que les passages en creux, en arrondi, les dévers, ainsi que tous les changements de niveau ou d'orientation et les mouvements de rapprochement ou d'éloignement dus au roulage : freinage, accélération, prise de virage, secousses diverses. Thanks to its ability to deform, this crossing allows to absorb the differences in shape of the road or the road such as intaglio, rounded, cant, as well as any changes in level or shape. guidance and movements of approach or distance due to rolling: braking, acceleration, cornering, shaking.
Le passage d'intercirculation selon l'invention est utilisé à l'arrêt pendant les opérations de chargement et de déchargement. Mais, il reste en place, sans occasionner de gêne, pendant le roulage ou les manoeuvres relatives des plateaux entre eux.  The gangway passage according to the invention is used at standstill during the loading and unloading operations. But, it remains in place, without causing discomfort, during the rolling or the relative maneuvers of the trays between them.
L'opérateur n'a donc plus à intervenir pour procéder à son déploiement et à son retrait, ce qui supprime tout risque d'oubli et d'endommagement subséquent et permet un gain de temps appréciable lors des opérations de chargement et de déchargement.  The operator no longer has to intervene to proceed with its deployment and its removal, which eliminates any risk of forgetting and subsequent damage and saves valuable time during loading and unloading operations.
En outre, il peut avantageusement être utilisé comme zone de portage lors du roulage, une charge, telle qu'un véhicule par exemple, pouvant être placée au niveau de ce passage, avec une partie sur l'un des plateaux et une autre partie sur l'autre plateau.  In addition, it can advantageously be used as a carrying area during taxiing, a load, such as a vehicle for example, which can be placed at this passage, with a portion on one of the trays and another part on the other tray.
Pour résoudre le problème technique, l'invention fournit un ensemble déformable destiné à être monté à l'extrémité d'un plateau ou plateforme d'une base roulante, dans l'espace libre séparant ce plateau d'un autre plateau en regard, afin de réaliser un passage d'intercirculation entre ces deux plateaux successifs.  To solve the technical problem, the invention provides a deformable assembly intended to be mounted at the end of a tray or platform of a rolling base, in the free space separating this plate from another plateau opposite, so to make a passage of intercirculation between these two successive trays.
Selon l'invention, cet ensemble déformable comporte un ensemble de lames métalliques flexibles, de profil préférentiel lement en auge, comprenant chacune une partie centrale prolongée de chaque côté par un bras latéral.  According to the invention, this deformable assembly comprises a set of flexible metal blades, preferably of trough profile, each comprising a central portion extended on each side by a lateral arm.
Ces lames sont dressées sur leur chant, juxtaposées l'une contre l'autre à la manière d'un empilement et fixées par leur partie centrale à l'extrémité du plateau, leurs bras latéraux restant déformables élastiquement.  These blades are erected on their edge, juxtaposed one against the other in the manner of a stack and fixed by their central portion at the end of the plate, their lateral arms remaining elastically deformable.
L'ensemble déformable est indépendant du plateau en regard et comprend une lame terminale qui correspond à la lame la plus éloignée de l'extrémité du plateau sur lequel il est monté.  The deformable assembly is independent of the plateau opposite and comprises an end plate which corresponds to the blade farthest from the end of the plate on which it is mounted.
En outre, l'ensemble déformable comporte préférentiellement un dispositif de butée en extension qui limite l'extension des lames, en opérant par exemple sur sa lame terminale.  In addition, the deformable assembly preferably comprises an extension stop device which limits the extension of the blades, for example by operating on its end plate.
Les lames, dont les extrémités se rapprochent puis se superposent à l'état totalement comprimé de l'empilement, sont préférentiellement montées en rappel élastique au-delà du bord transversal d'extrémité et sont limitées en déploiement par le dispositif de butée. The blades, the ends of which are close together and then superimposed on the totally compressed state of the stack, are preferably mounted in elastic return beyond the edge. transverse end and are limited in deployment by the stop device.
L'invention fournit ainsi un passage d'intercirculation entre deux plateaux ou plateformes successifs, portés par une base roulante ou par deux bases roulantes successives et séparés par un espace libre, qui comprend au moins un tel ensemble déformable.  The invention thus provides a passage between two successive trays or platforms, carried by a rolling base or by two successive rolling bases and separated by a free space, which comprises at least one such deformable assembly.
Selon un mode de réalisation préférentiel de l'invention, ce passage d'intercirculation comprend deux ensembles déformables, indépendants l'un de l'autre et montés en vis-à-vis dans l'espace libre séparant les deux plateaux, chacun à l'une des extrémités se faisant face des deux plateaux successifs.  According to a preferred embodiment of the invention, this passage of intercirculation comprises two deformable assemblies, independent of one another and mounted vis-à-vis in the free space separating the two trays, each to the one of the ends facing each other of the two successive trays.
L'invention enseigne également un plateau pour base roulante qui comporte un ensemble déformable de ce type, monté à au moins l'une de ses extrémités.  The invention also teaches a rolling base plate which comprises a deformable assembly of this type mounted on at least one of its ends.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, description faite en référence aux dessins annexés, dans lesquels :  Other features and advantages of the invention will appear on reading the detailed description which follows, description made with reference to the accompanying drawings, in which:
. la figure 1 est une vue générale de profil de deux bases roulantes ferroviaires équipées d'un passage d'intercirculation selon l'invention entre leurs plateformes supérieures;  . Figure 1 is a general view of two rail rolling bases equipped with a gangway according to the invention between their upper platforms;
. les figures 2 à 5 sont des vues, respectivement de dessus, de profil, en perspective et d'un détail agrandi, représentant une première variante du passage d'intercirculation selon l'invention lors d'un passage en ligne droite ;  . Figures 2 to 5 are views, respectively from above, in profile, in perspective and an enlarged detail, showing a first variant of the gangway according to the invention during a passage in a straight line;
. les figures 6 à 9 sont des vues, respectivement de dessus, de profil, en perspective et d'un détail agrandi, représentant le passage d'intercirculation selon la première variante de l'invention lors d'un passage en courbe ;  . Figures 6 to 9 are views, respectively from above, in profile, in perspective and an enlarged detail, showing the gangway passage according to the first embodiment of the invention during a curve crossing;
. les figures 10 à 13 sont des vues, respectivement de dessus, de profil, en perspective et d'un détail agrandi, représentant le passage d'intercirculation selon la première variante de l'invention lors d'un passage en creux ;  . Figures 10 to 13 are views, respectively from above, in profile, in perspective and an enlarged detail, showing the passage of the intercirculation according to the first embodiment of the invention during a recessed passage;
. les figures 14 à 17 sont des vues, respectivement de dessus, de profil, en perspective et d'un détail agrandi, représentant le passage d'intercirculation selon la première variante de l'invention pendant la manoeuvre de l'un des plateaux ; . la figure 18 est une vue en perspective éclatée montrant les différents éléments constitutifs de l'un des ensembles déformables du passage d'intercirculation selon la première variante de l'invention, fixés à l'extrémité de l'un des plateaux ; . Figures 14 to 17 are views, respectively from above, in profile, in perspective and an enlarged detail, showing the gangway passage according to the first variant of the invention during the operation of one of the trays; . FIG. 18 is an exploded perspective view showing the various constituent elements of one of the deformable assemblies of the gangway according to the first variant of the invention, fixed at the end of one of the plates;
. les figures 19 et 20 sont des vues, respectivement de dessus et en perspective représentant une deuxième variante simplifiée du passage d'intercirculation selon l'invention lors d'un passage en ligne droite.  . Figures 19 and 20 are views, respectively from above and in perspective showing a second simplified variant of the gangway according to the invention during a passage in a straight line.
L'ensemble déformable et le passage d'intercirculation selon la présente invention vont maintenant être décrits de façon détaillée en référence aux figures 1 à 20. Les éléments équivalents représentés sur les différentes figures porteront les mêmes références numériques.  The deformable assembly and the gangway according to the present invention will now be described in detail with reference to FIGS. 1 to 20. The equivalent elements represented in the different figures will bear the same numerical references.
On a représenté sur la figure 1 , un exemple d'application préférentiel d'un passage d'intercirculation 1 selon l'invention. Il s'agit d'une fraction d'un convoi 2 de bases roulantes 3 ferroviaires, liées à la suite les unes des autres par un dispositif d'attelage 4 classique à boggie ou autre et tirées par un véhicule motorisé non représenté de type locomotive placé à l'avant du convoi.  FIG. 1 shows an example of preferential application of a gangway 1 according to the invention. It is a fraction of a convoy 2 of 3 rolling railway bases, linked to each other by a conventional coupling device 4 bogie or other and pulled by a motorized vehicle not shown locomotive type placed at the front of the convoy.
Seules deux bases roulantes 3 successives, dénommées respectivement base roulante avant 5 et base roulante arrière 6, ont été représentées sur la figure 1 . Chacune de ces bases roulantes 5, 6 comporte un plateau ou une plateforme inférieur(e), respectivement 7 et 8, et un plateau ou une plateforme supérieur(e), respectivement 9 et 10, spécialement aménagé(e)s pour le transport de véhicules.  Only two successive rolling bases 3, respectively called front rolling base 5 and rear rolling base 6, have been represented in FIG. Each of these rolling bases 5, 6 comprises a lower plate or platform (e), respectively 7 and 8, and a top plate or platform (e), respectively 9 and 10, specially arranged (s) for the transport of vehicles.
Afin de faciliter les opérations de chargement et de déchargement, les plateformes supérieures 8 sont inclinables et de hauteur réglable.  In order to facilitate the loading and unloading operations, the upper platforms 8 are tilting and of adjustable height.
Un passage d'intercirculation 1 selon l'invention est disposé dans l'espace libre 1 1 séparant la plateforme supérieure 9 de la base roulante avant 5, de la plateforme supérieure 10 de la base roulante arrière 6.  A gangway 1 according to the invention is disposed in the free space 1 1 between the upper platform 9 of the front wheel base 5, the upper platform 10 of the rear rolling base 6.
Bien entendu, il ne s'agit que d'un exemple préférentiel d'application de l'invention. Le passage d'intercirculation selon l'invention peut équiper toute sorte de bases roulantes, quelles soient routières ou ferroviaires et destinées au transport de véhicules ou de toute autre marchandise, voire même de passagers. Of course, this is only a preferred example of application of the invention. The gangway according to the invention can equip all kinds of rolling bases, whether road or rail and intended for the transport of vehicles or vehicles. any other goods, or even passengers.
Le passage d'intercirculation selon l'invention est particulièrement avantageux dans le cas de plateaux ou de plateformes successives de hauteur ou d'inclinaison variables. Cependant, il peut être utilisé avec des plateaux ou plateformes de hauteur et/ou d'inclinaison fixes.  The passage of the intercirculation according to the invention is particularly advantageous in the case of trays or successive platforms of variable height or inclination. However, it can be used with trays or platforms of fixed height and / or inclination.
En outre, bien qu'il ait été représenté entre les plateformes supérieures 9 et 10 sur la figure 1 , il peut également ou alternativement être prévu au niveau des plateaux ou plateformes inférieures 7 et 8 des bases roulantes 5, 6 successives.  In addition, although it has been shown between the upper platforms 9 and 10 in Figure 1, it can also or alternatively be provided at the lower plates or platforms 7 and 8 successive rolling bases 5, 6.
De même, il pourra également être utilisé dans le cas de bases roulantes 3 ne comportant qu'une seule plateforme ou bien comportant plus de deux plateformes afin de réaliser un passage d'intercirculation entre chacune ou entre certaines seulement des plateformes successives.  Similarly, it can also be used in the case of rolling bases 3 having only one platform or having more than two platforms in order to achieve a gangway between each or between some only successive platforms.
Enfin, il pourra également être utilisé entre deux plateformes ou plateaux successifs, portés par la même base roulante.  Finally, it can also be used between two platforms or successive trays, carried by the same rolling base.
Un mode de réalisation préférentiel du passage d'intercirculation 1 selon l'invention va maintenant être décrit en référence aux figures 2 à 18.  A preferred embodiment of the gangway 1 according to the invention will now be described with reference to FIGS. 2 to 18.
Le passage d'intercirculation 1 comprend un ensemble déformable 12, déformable élastiquement par compression et/ou extension, monté au niveau de l'extrémité 14 du plateau 9 de la base roulante 5, dans l'espace libre 1 1 séparant ce plateau 9 du plateau 10 en regard. Cet ensemble déformable 12 est indépendant du plateau 10 en regard.  The passage of intercirculation 1 comprises a deformable assembly 12, elastically deformable by compression and / or extension, mounted at the end 14 of the plate 9 of the rolling base 5, in the free space 1 1 separating the plate 9 of the plateau 10 opposite. This deformable assembly 12 is independent of the plate 10 opposite.
Selon un premier mode de réalisation de l'invention non représenté, le passage d'intercirculation 1 peut ne comporter qu'un seul ensemble déformable 12 monté à l'extrémité de l'un quelconque des deux plateaux, l'extrémité de l'autre plateau en vis-à-vis restant libre et n'étant pas liée à l'ensemble déformable 12.  According to a first embodiment of the invention not shown, the gangway 1 may have only one deformable assembly 12 mounted at the end of any one of the two trays, the end of the other plateau opposite vis-à-vis remaining free and not linked to the deformable assembly 12.
Selon une autre variante de l'invention, préférée et représentée sur les différentes figures, le passage d'intercirculation peut comporter deux ensembles déformables 12 et 13 indépendants et placés chacun au niveau de l'une des extrémités, respectivement 14 et 15, en vis-à-vis des plateaux successifs 9 et 10. Les deux ensembles déformables 12 et 13 peuvent être en contact l'un avec l'autre, mais ne sont pas liés l'un à l'autre. Ils forment par juxtaposition et prolongation le passage d'intercirculation 1 selon l'invention. According to another variant of the invention, preferred and shown in the various figures, the gangway may comprise two deformable assemblies 12 and 13 independent and each placed at one of the ends, respectively 14 and 15, screwed together. with successive trays 9 and 10. The two sets deformable 12 and 13 may be in contact with each other, but are not related to each other. They form by juxtaposition and extension passage gangway 1 according to the invention.
Chaque ensemble déformable 12, 13 est constitué d'une succession de lames métalliques 16, fixées au niveau de l'extrémité 14 ou 15 du plateau 9 ou 10 correspondant, et de préférence sur le chant transversal respectivement 17 ou 18 de cette extrémité 14 ou 15.  Each deformable assembly 12, 13 consists of a succession of metal blades 16, fixed at the end 14 or 15 of the corresponding plate 9 or 10, and preferably on the transverse edge respectively 17 or 18 of this end 14 or 15.
L'encombrement transversal de l'ensemble déformable 12, 13 est préférentiellement sensiblement égal à la largeur du plateau 9 ou 10 sur lequel il est monté.  The transverse bulk of the deformable assembly 12, 13 is preferably substantially equal to the width of the plate 9 or 10 on which it is mounted.
Les lames métalliques 16 sont sensiblement plates et comportent une partie centrale 19 prolongée par deux bras latéraux 20 s'étendant chacun d'un côté de la partie centrale 19.  The metal blades 16 are substantially flat and comprise a central portion 19 extended by two lateral arms 20 each extending on one side of the central portion 19.
Selon un mode de réalisation préférentiel de l'invention, ces lames 16 présentent un profil de forme générale en auge prolongé de chaque côté par une branche d'extrémité 21 , de préférence parallèle au fond de l'auge. Ce profil est caractérisé en ce qu'il présente une partie centrale 19 plane, par exemple horizontale, prolongée de chaque côté par une aile latérale oblique 22, suivie par la branche d'extrémité 21 qui est préférentiellement parallèle à la partie centrale plane 19 ou divergente en position de repos. Ainsi, dans ce cas préférentiel, les bras latéraux 20 sont formés chacun d'une aile latérale oblique 22 et d'une branche d'extrémité 21 .  According to a preferred embodiment of the invention, these blades 16 have a profile of general shape trough prolonged on each side by an end branch 21, preferably parallel to the bottom of the trough. This profile is characterized in that it has a flat central portion 19, for example horizontal, extended on each side by an oblique lateral flange 22, followed by the end branch 21 which is preferably parallel to the flat central portion 19 or divergent in the rest position. Thus, in this preferred case, the lateral arms 20 are each formed of an oblique lateral wing 22 and an end branch 21.
Les lames 16 sont de préférence réalisées d'une seule pièce, sauf la lame terminale 23 de chaque ensemble déformable 12, 13 c'est-à-dire celle d'extrémité qui, pour des raisons de facilité de montage, est préférentiellement réalisée en deux pièces, par exemple sous forme de deux demi-lames 24 comme décrit ci-après.  The blades 16 are preferably made in one piece, except the end plate 23 of each deformable assembly 12, 13 that is to say the end which, for reasons of ease of assembly, is preferably performed in two pieces, for example in the form of two half-blades 24 as described below.
Ces lames 16, 23 ne sont pas disposées à plat, mais dressées sur leur chant et juxtaposées l'une contre l'autre à la manière d'un empilement.  These blades 16, 23 are not arranged flat, but erect on their edge and juxtaposed against each other in the manner of a stack.
Elles sont fixées au niveau de leur partie centrale 19, à l'extrémité 14, 15 du plateau porteur 9, 10 correspondant. Pour cela, elles peuvent être assemblées les unes aux autres ou les unes à travers les autres ou plaquées et maintenues l'une contre l'autre par boulonnage ou par tout autre moyen de fixation ou de retenue. Sur l'exemple représenté, les lames 16 et 23 sont fixées sur le chant transversal 17 ou 18 de chaque extrémité 14, 15 en regard des plateaux porteurs 9, 10, au moyen d'un ensemble de boulons 25 qui traversent une série d'orifices 26 ménagés dans la partie centrale 19 des lames 16 plaquées les unes contre les autres, puis une série d'orifices 27 ménagés dans le chant transversal 17, 18 du plateau 9, 10 et sont verrouillés à l'arrière de ce chant transversal 17, 18 par un ensemble d'écrous non représentés. They are fixed at their central portion 19 at the end 14, 15 of the carrier plate 9, 10 corresponding. For this, they can be assembled to each other or to one another or pressed and held against each other by bolting or other means of attachment or retention. In the example shown, the blades 16 and 23 are fixed on the transverse edge 17 or 18 of each end 14, 15 opposite the carrying plates 9, 10, by means of a set of bolts 25 which pass through a series of holes 26 formed in the central portion 19 of the blades 16 pressed against each other, then a series of orifices 27 formed in the transverse edge 17, 18 of the plate 9, 10 and are locked at the rear of the transverse edge 17 , 18 by a set of nuts not shown.
Afin de permettre la juxtaposition des différentes lames 16 de l'empilement, les lames 16 successives de chaque ensemble déformable 12, 13 peuvent présenter par exemple un évasement croissant de leurs bras latéraux 20 de la lame terminale 23 à celle placée la plus proche de l'extrémité 14, 15 du plateau 9, 10, ou bien, comme sur l'exemple représenté, des bras latéraux 20 parallèles en position de repos et une partie centrale 19 de longueur croissante de la lame d'extrémité 23 à celle placée la plus proche de l'extrémité 14, 15 du plateau 9, 10.  In order to allow the juxtaposition of the different blades 16 of the stack, the successive blades 16 of each deformable assembly 12, 13 may have for example an increasing flare of their lateral arms 20 of the terminal blade 23 to that placed closest to the end 14, 15 of the plate 9, 10, or, as in the example shown, parallel lateral arms 20 in the rest position and a central portion 19 of increasing length of the end plate 23 to that placed most near the end 14, 15 of the plate 9, 10.
Les bras latéraux 20 des lames 16 étant métalliques et libres en extrémité, ils peuvent se déformer suite à une compression ou un relâchement comme on le verra ci-après. Ainsi, les ailes latérales obliques 22 et les branches d'extrémité 21 , ou plus généralement les bras latéraux 20, peuvent adopter des orientations différentes provenant de leur sollicitation en compression ou en relâchement. Le profil des lames 16 peut ainsi s'évaser par écartement des bras latéraux 20 suite à une compression ou au contraire se resserrer suite à un relâchement.  The lateral arms 20 of the blades 16 being metal and free end, they can deform following compression or relaxation as will be seen below. Thus, the oblique lateral wings 22 and the end branches 21, or more generally the lateral arms 20, can adopt different orientations resulting from their stress in compression or relaxation. The profile of the blades 16 can thus be widened by spacing the lateral arms 20 following compression or on the contrary tighten after relaxation.
De même en utilisation, les deux bras latéraux 20 de chaque lame 16 ne sont pas forcément symétriques, chacun d'entre eux pouvant adopter une orientation différente en fonction de la sollicitation en compression ou en relâchement qu'il subit et qui n'est pas forcément identique à celle de son homologue.  Similarly in use, the two lateral arms 20 of each blade 16 are not necessarily symmetrical, each of them can adopt a different orientation depending on the stress in compression or relaxation that it undergoes and which is not necessarily identical to that of his counterpart.
Les parties consécutives de chaque lame 16, 23 changent de direction par un coude ou un pli, tel que 28 par exemple, qui est conformé dans la structure de la lame et permet ainsi de garder une bonne flexibilité à l'ensemble de la lame 16, 23 en lui conférant une aptitude à la déformation suite à une poussée ou à une extension dans la direction longitudinale du plateau porteur 9, 10. Dans le mode de réalisation préférentiel représenté, la lame terminale 23 présente avantageusement une forme différente des autres lames 16. Ses bras latéraux 20 se poursuivent chacun vers l'arrière, c'est-à-dire en direction du plateau 9, 10 sur lequel l'ensemble déformable 12, 13 est monté, par un retour longitudinal 28 en vue de réaliser une fonction de butée en extension. The consecutive portions of each blade 16, 23 change direction by an elbow or a fold, such as for example, which is shaped in the structure of the blade and thus allows to keep good flexibility to the entire blade. 23 by giving it an aptitude for deformation following a thrust or extension in the longitudinal direction of the carrier plate 9, 10. In the preferred embodiment shown, the end plate 23 advantageously has a shape different from the other blades 16. Its lateral arms 20 each continue towards the rear, that is to say in the direction of the plate 9, 10 on which the deformable assembly 12, 13 is mounted by a longitudinal return 28 in order to achieve a stop function in extension.
Chacun de ces retours longitudinaux 28 coopère avec un moyen de retenue 29 se trouvant sur le plateau 9, 10 correspondant, pour former un dispositif de butée en extension 30. Ce dispositif de butée 30 peut prendre différentes formes techniques. Il peut s'agir comme représenté, d'une extrémité du retour longitudinal 28 qui coulisse dans un guide 31 , par exemple en pontet, fixé sur le profilé de flanc 32, 33 du plateau 9 ou 10 concerné et servant de moyen de retenue 29 coopérant avec une forme de blocage d'extrémité 34 de chaque retour longitudinal 28, par exemple en T ou en harpon, pour limiter l'extension des lames 16.  Each of these longitudinal returns 28 cooperates with a retaining means 29 located on the corresponding plate 9, 10, to form an extension stop device 30. This stop device 30 can take various technical forms. It may be as shown, an end of the longitudinal return 28 which slides in a guide 31, for example by bridge, fixed on the flank profile 32, 33 of the plate 9 or 10 concerned and serving as a retaining means 29 cooperating with a form of end locking 34 of each longitudinal return 28, for example T or harpoon, to limit the extension of the blades 16.
Le dispositif de butée 30 a pour but de retenir la lame terminale 23 par chacune de ses extrémités lors des mouvements d'extension, en imposant à celles-ci une position limite d'extension maximale dans laquelle la forme de blocage d'extrémité 34 se retrouve en butée contre le guide 31 et s'oppose ainsi à tout mouvement supplémentaire d'extension.  The purpose of the abutment device 30 is to hold the end plate 23 at each of its ends during the extension movements, by imposing on them a limit position of maximum extension in which the end-locking shape 34 found in abutment against the guide 31 and thus opposes any further extension movement.
En retenant la lame terminale 23, le dispositif de butée 30 retient également par voie de conséquence toutes les autres lames 16 de l'empilement qui sont coincées entre la lame terminale 23 et le chant transversal 17, 18 du plateau 9, 10 correspondant.  By retaining the end plate 23, the abutment device 30 also retains all the other blades 16 of the stack that are wedged between the end plate 23 and the transverse edge 17, 18 of the corresponding plate 9, 10.
Les lames 16 et 23 sont de préférence maintenues en tension élastique, c'est-à-dire en précontrainte, quelle que soit leur position. A cet effet, les lames 16, 23 sont préférentiel lement réalisées en métal à hautes limites élastiques et montées en contrainte élastique de compression. Lors du mouvement maximal d'extension limité par le dispositif de butée 30, elles conservent une contrainte élastique pour assurer le mouvement de rappel en extension et présenter une dureté élastique à la compression déterminée par construction.  The blades 16 and 23 are preferably held in elastic tension, that is to say in prestressing, regardless of their position. For this purpose, the blades 16, 23 are preferably made of metal with high elastic limits and mounted in compressive elastic stress. During the maximum movement of extension limited by the abutment device 30, they retain an elastic stress to ensure the return movement in extension and have a compressive elastic hardness determined by construction.
Cette précontrainte permet avantageusement de réduire les nuisances sonores lors du roulage en évitant la vibration des lames 16, 23 des ensembles déformables 12, 13. This prestressing advantageously makes it possible to reduce the noise nuisance during running by avoiding the vibration of the blades 16, 23 of the deformable assemblies 12, 13.
De plus, lorsqu'un véhicule roule sur les ensembles déformables 12, 13 et donc sur le chant des lames 16, 23, cette précontrainte est à l'origine d'une force de résistance opposée à la force d'entraînement exercée sur les lames par les roues du véhicule en mouvement. Cette force de résistance évite le déplacement indésirable des lames 16, 23 qui sinon pourrait provoquer l'apparition d'un intervalle libre dangereux du fait de l'écartement des lames ou des ensembles déformables.  In addition, when a vehicle rolls over the deformable assemblies 12, 13 and therefore on the edge of the blades 16, 23, this prestressing is at the origin of a resistance force opposing the driving force exerted on the blades. by the wheels of the moving vehicle. This resistance force prevents the undesirable displacement of the blades 16, 23 which otherwise could cause the appearance of a dangerous free gap due to the separation of the blades or deformable assemblies.
La lame terminale 23 de chaque ensemble déformable 12, The end plate 23 of each deformable assembly 12,
13 comporte une pièce de contact 35 formant tampon, située au niveau de l'extrémité de chacun de ses bras latéraux 20, de préférence au niveau du coude correspondant à la naissance de chaque retour longitudinal 28. 13 comprises a contact piece 35 forming a buffer, located at the end of each of its lateral arms 20, preferably at the elbow corresponding to the birth of each longitudinal return 28.
Lorsque le passage d'intercirculation 1 comporte deux ensembles déformables 12, 13 en vis-à-vis, les pièces de contact 35 de la lame terminale 23 de l'ensemble déformable 12, 13 sont destinées à entrer en contact d'appui avec les pièces de contact 35 homologues de la lame terminale 23 de l'ensemble déformable 12, 13 opposé. Dans le cas où le passage d'intercirculation 1 ne comporte qu'un seul ensemble déformable 12, les pièces de contact 35 de sa lame terminale 23 coopèrent avec le bord d'extrémité du plateau en regard lorsqu'elles se trouvent en contact d'appui avec celui-ci.  When the gangway 1 has two deformable assemblies 12, 13 facing each other, the contact pieces 35 of the end plate 23 of the deformable assembly 12, 13 are intended to come into bearing contact with the contact parts 35 homologous to the end plate 23 of the deformable assembly 12, 13 opposite. In the case where the gangway passage 1 has only one deformable assembly 12, the contact parts 35 of its end plate 23 cooperate with the end edge of the plate opposite when they are in contact with each other. support with this one.
Chaque pièce de contact 35 présente préférentiel lement une forme bombée enveloppante avec une partie centrale 43, un flanc latéral 36, un front supérieur 37 et un front inférieur 38 recourbés vers l'arrière, c'est-à-dire vers le plateau 9, 10 sur lequel l'ensemble déformable 12, 13 est monté.  Each contact piece 35 preferably has a wraparound convex shape with a central portion 43, a lateral flank 36, an upper front 37 and a lower front 38 bent rearward, that is to say towards the plate 9, 10 on which the deformable assembly 12, 13 is mounted.
Elle procure ainsi au niveau du coin, une zone de contact sensiblement arrondie pouvant former un appui glissant de manière à assurer un contact fixe ou mobile aussi bien frontal que de biais. Ceci permet de garder un contact d'appui aussi bien dans le cas d'une poussée de rapprochement en ligne, qu'en oblique suite à des mouvements inclinés des plateaux résultant des différentes formes de la route ou de la voie par exemple un dévers, une élévation, un abaissement du niveau de la route ou des mouvements de réglage des plateaux. It thus provides at the corner, a substantially rounded contact area can form a sliding support so as to ensure a fixed or movable contact both front and side. This makes it possible to maintain a bearing contact both in the case of an in-line approaching thrust and obliquely following inclined movements of the trays resulting from the different forms of the road or the track, for example a cant, elevation, lowering of the road level or adjustment movements of trays.
Selon une autre variante envisageable, le front supérieur 37 et/ou le front inférieur 38 peuvent ne pas être limités à la pièce de contact 35 et peuvent se prolonger sur une partie ou sur la totalité de la lame terminale 23 de manière à recouvrir ou à envelopper entièrement ou partiellement les autres lames 16 à l'état comprimé du dispositif.  According to another conceivable variant, the upper front 37 and / or the lower front 38 may not be limited to the contact piece 35 and may extend over part or all of the end plate 23 so as to cover or to completely or partially wrap the other blades 16 in the compressed state of the device.
La pièce de contact 35 peut être avantageusement réalisée d'une pièce avec la lame terminale 23 comme sur l'exemple représenté. Il peut également s'agir d'une pièce séparée, fabriquée indépendamment et rapportée par la suite sur la lame terminale 23. Elle est alors fixée au niveau du coude séparant la branche d'extrémité 21 du retour longitudinal 28 par tout moyen envisageable par l'homme du métier.  The contact piece 35 may advantageously be made in one piece with the end plate 23 as in the example shown. It can also be a separate part, manufactured independently and subsequently reported on the end plate 23. It is then fixed at the elbow separating the end branch 21 of the longitudinal return 28 by any means available to the user. skilled person.
Selon une autre variante non représentée, le retour longitudinal 28 peut également être réalisé sous la forme d'une pièce indépendante, rapportée par tout moyen approprié sur la lame terminale 23 ou sur la pièce de contact 35. Il peut également être réalisé d'un seul tenant avec la pièce de contact 35, l'ensemble étant indépendant de la lame terminale 23 et rapporté et fixé sur celle-ci par tout moyen approprié.  According to another variant not shown, the longitudinal return 28 can also be made in the form of an independent piece, reported by any appropriate means on the end plate 23 or on the contact piece 35. It can also be made of a alone with the contact piece 35, the assembly being independent of the end plate 23 and attached and fixed thereto by any appropriate means.
Dans le cas où le retour longitudinal 28 n'est pas formé d'une pièce avec la lame terminale 23, cette dernière peut avantageusement être réalisée d'un seul tenant comme le reste des lames 16 et non plus sous la forme de deux demi-lames 24.  In the case where the longitudinal return 28 is not formed in one piece with the end plate 23, the latter can advantageously be made in one piece like the rest of the blades 16 and no longer in the form of two half-blades. blades 24.
On peut également imaginer une autre variante de l'invention dans laquelle le retour longitudinal 28 qui coulisse dans un guide 31 fixé sur le flanc 32, 33 du plateau 9 ou 10 concerné, est remplacé par exemple par deux retours longitudinaux s'étendant en direction du plateau concerné et pour l'un vers le haut, pour l'autre vers le bas du plateau concerné, ces deux retours coulissant chacun dans un guide fixé respectivement sur la face supérieure du plateau pour l'un et sur la face inférieure du plateau pour l'autre.  One can also imagine another variant of the invention in which the longitudinal return 28 which slides in a guide 31 fixed on the sidewall 32, 33 of the plate 9 or 10 concerned, is replaced for example by two longitudinal returns extending in the direction of the plateau concerned and for one upwards, for the other towards the bottom of the plateau concerned, these two returns each sliding in a guide respectively fixed on the upper face of the plateau for the one and on the lower face of the plateau for the other.
Dans une version simplifiée de l'invention représentée sur les figures 19 et 20, il apparaît, en raison de la conformation du profil des lames 16, un espace vide central 39 entre l'ensemble déformable 12 et l'extrémité 15 du plateau 10 opposé, ou entre les deux ensembles déformables 12 et 13 du passage d'intercirculation 1 , plus précisément au niveau de la partie centrale 19 des lames 16. In a simplified version of the invention shown in FIGS. 19 and 20, due to the shape of the profile of the blades 16, there appears a central empty space 39 between the deformable assembly 12 and the end 15 of the opposite plate 10. or between the two deformable assemblies 12 and 13 of the gangway 1, more precisely at the central portion 19 of the blades 16.
Pour éviter que cet espace vide central 39 ne représente un danger de chute pour les piétons et même les charges lors du franchissement du passage d'intercirculation 1 , l'ensemble déformable 12, ou chaque ensemble déformable 12, 13 dans le mode de réalisation préférentiel de l'invention représenté sur les figures 2 à 18, peut comporter au moins une lame de comblement 40 disposée dans l'espace libre 1 1 au niveau de la partie centrale 19 de ses lames 16. L'espace vide central 39 est ainsi comblé par une ou plusieurs lames de comblement 40.  To prevent this central empty space 39 from representing a danger of falling for pedestrians and even the loads when crossing the gangway 1, the deformable assembly 12, or each deformable assembly 12, 13 in the preferred embodiment of the invention shown in Figures 2 to 18, may comprise at least one filling blade 40 disposed in the free space January 1 at the central portion 19 of its blades 16. The central empty space 39 is filled by one or more filler blades 40.
Les lames de comblement 40 sont des lames supplémentaires, préférentiellement sensiblement droites et transversales, qui sont montées mobiles sur la lame terminale 23 de chaque ensemble déformable 12, 13 et qui présente une longueur croissante au fur et à mesure de leur éloignement de la partie centrale 19 de la lame terminale 23.  The filling blades 40 are additional blades, preferably substantially straight and transverse, which are movably mounted on the end plate 23 of each deformable assembly 12, 13 and which has an increasing length as they move away from the central portion. 19 of the terminal blade 23.
Ces lames de comblement 40 sont accrochées par leurs extrémités sur les ailes latérales obliques 22 de chaque lame terminale 23. Elles comportent pour cela, à leurs extrémités, des pattes d'accrochage coudées 41 qui sont montées dans des ouvertures longitudinales 42 de longueur adaptée prévues dans les bras latéraux 20, plus précisément dans les ailes latérales obliques 22, de chaque lame terminale 23.  These filling blades 40 are hooked by their ends on the oblique lateral wings 22 of each end plate 23. They have for this, at their ends, angled attachment tabs 41 which are mounted in longitudinal openings 42 of suitable lengths provided. in the lateral arms 20, more precisely in the oblique lateral wings 22, of each end plate 23.
Le mouvement d'ouverture ou respectivement de rapprochement des bras latéraux 20 de la lame terminale 23 augmente ou respectivement diminue la distance entre les ailes latérales obliques 22 et donc la longueur utile des lames de comblement 40. Pour permettre aux lames de comblement 40 de pouvoir absorber ces augmentations ou respectivement ces diminutions de longueur utile, les pattes d'accrochage coudées 41 à l'extrémité des lames de comblement 40 peuvent avantageusement coulisser le long des ouvertures longitudinales 42 de la lame terminale 23 sous l'effet moteur de poussée ou de relâchement correspondant au rapprochement ou à l'ouverture des ailes latérales obliques 22.  The opening or respectively closing movement of the lateral arms 20 of the end plate 23 increases or decreases respectively the distance between the oblique lateral wings 22 and therefore the useful length of the filling blades 40. To allow the filling blades 40 to be able to to absorb these increases or respectively these decreases in useful length, the bent hooking tabs 41 at the end of the filling blades 40 can advantageously slide along the longitudinal openings 42 of the end plate 23 under the engine pushing effect or releasing corresponding to the approaching or opening of the oblique lateral wings 22.
On examinera maintenant le fonctionnement de l'invention qui est identique pour les deux modes de réalisation représentés. Pour faciliter la compréhension du lecteur, on se référera successivement aux figures 2 à 17. We will now examine the operation of the invention which is identical for the two embodiments shown. For to facilitate the reader's understanding, reference will be made successively to FIGS. 2 to 17.
Comme représenté sur les figures 2 à 5, en ligne droite et sur le plat, l'écartement entre les lames 16 est homogène. Il existe un faible jeu entre les deux ensembles déformables 12 et 13 du passage d'intercirculation 1 qui est identique des deux côtés des bases roulantes et dépend de la longueur du dispositif d'attelage 4.  As shown in Figures 2 to 5, in a straight line and on the flat, the spacing between the blades 16 is homogeneous. There is a small clearance between the two deformable assemblies 12 and 13 of the gangway passage 1 which is identical on both sides of the rolling bases and depends on the length of the coupling device 4.
A l'arrêt, l'écartement entre les deux ensembles déformables 12, 13 doit rester suffisamment faible pour que les opérations de chargement et de déchargement puissent se dérouler en toute sécurité. De par la contrainte élastique en extension des lames 16 jusqu'à la butée des formes de blocage d'extrémité 34 contre les guides 31 , l'espace libre 1 1 intermédiaire entre les deux plateaux successifs 9, 10 reste toujours occupé par des lames 16, 23, 40.  When stopped, the spacing between the two deformable assemblies 12, 13 must remain small enough for the loading and unloading operations can proceed safely. By the elastic stress in extension of the blades 16 to the abutment of the end locking shapes 34 against the guides 31, the free space 1 1 intermediate between the two successive plates 9, 10 is always occupied by blades 16 , 23, 40.
Si le dispositif d'attelage 4 est court, les deux ensembles déformables 12 et 13 peuvent être plus rapprochés que sur l'exemple représenté. Ils peuvent même être en contact l'un avec l'autre au niveau de leurs pièces de contact 35 formant tampon. Cependant, les lames 16 ne doivent pas être totalement comprimées au repos, pour pouvoir encore par la suite se déformer librement dans les deux sens afin de s'adapter sans problème aux variations induites par le roulage.  If the coupling device 4 is short, the two deformable assemblies 12 and 13 may be closer together than in the example shown. They may even be in contact with each other at their buffer contact pieces. However, the blades 16 must not be completely compressed at rest, so that they can subsequently be freely deformed in both directions in order to adapt smoothly to the variations induced by rolling.
Pendant le roulage en ligne droite, des mouvements d'extension ou de compression peuvent se produire selon les accélérations ou les décélérations et freinages du véhicule. Lors des accélérations, il existe une force d'extension qui provoque l'augmentation de la longueur du passage d'intercirculation 1 . Cette augmentation reste toutefois limitée par la course des dispositifs de butée en extension 30 décrits précédemment.  While driving in a straight line, extension or compression movements may occur depending on the acceleration or deceleration and braking of the vehicle. During accelerations, there is an extension force which causes the length of the gangway 1 to increase. This increase, however, is limited by the stroke of the extension stop devices 30 described above.
Lorsque le véhicule emprunte un passage en courbe, le passage d'intercirculation 1 selon l'invention se trouve dans la configuration représentée sur les figures 6 à 9.  When the vehicle takes a curve passage, the gangway 1 according to the invention is in the configuration shown in Figures 6 to 9.
Les extrémités 14 et 15 des plateformes 9 et 10 en regard se rapprochent du côté intérieur de la courbe et s'éloignent du côté extérieur de la courbe.  The ends 14 and 15 of the platforms 9 and 10 opposite approach the inner side of the curve and move away from the outer side of the curve.
De ce fait, le passage d'intercirculation 1 se trouve comprimé du côté intérieur de la courbe et en extension du côté extérieur de la courbe. As a result, the passageway 1 is compressed on the inside of the curve and in extension on the side outside the curve.
Du côté intérieur de la courbe, les pièces de contact 35 des deux ensembles déformables 12, 13 se retrouvent en contact glissant l'une avec l'autre. Les lames terminales 23 sont repoussées vers l'extrémité 14 ou 15 de leur plateforme 9 ou 10 respective, ce qui s'accompagne d'un coulissement des retours longitudinaux 28 dans les guides 31 . Les lames terminales 23 viennent alors comprimer les autres lames 16 de l'ensemble déformable 12, 13 qui sont à leur tour repoussées vers l'extrémité 14 ou 15 correspondante.  On the inside of the curve, the contact parts 35 of the two deformable assemblies 12, 13 are in sliding contact with each other. The end plates 23 are pushed towards the end 14 or 15 of their platform 9 or 10 respectively, which is accompanied by a sliding of the longitudinal returns 28 in the guides 31. The end plates 23 then compress the other blades 16 of the deformable assembly 12, 13 which are in turn pushed towards the end 14 or 15 corresponding.
Lorsque la courbe se termine, la compression disparaît et le passage d'intercirculation 1 retrouve sa configuration de ligne droite décrite précédemment, du fait de l'élasticité naturelle des ensembles déformables 12, 13 et de la précontrainte des lames 16 et 23.  When the curve ends, the compression disappears and the gangway 1 returns to its straight line configuration described above, due to the natural elasticity of the deformable assemblies 12, 13 and the preload of the blades 16 and 23.
Du côté extérieur de la courbe, les lames 16 et 23 se trouvent dans leur position d'extension maximale limitée par le dispositif de butée en extension 30.  On the outer side of the curve, the blades 16 and 23 are in their maximum extended position limited by the extension stop device 30.
Les figures 10 à 13 illustrent le comportement du passage d'intercirculation 1 selon l'invention lorsque le véhicule se trouve dans un passage en creux.  Figures 10 to 13 illustrate the behavior of the gangway passage 1 according to the invention when the vehicle is in a recessed passage.
Dans ce cas, les ensembles déformables 12 et 13 se trouvent comprimés au niveau de leur partie supérieure. Des deux côtés du passage d'intercirculation, les pièces de contact 35 sont en contact avec leur homologue en vis-à-vis au niveau de leur front supérieur 37 et éventuellement de leur partie centrale 43.  In this case, the deformable assemblies 12 and 13 are compressed at their upper part. On both sides of the gangway, the contact pieces 35 are in contact with their counterpart opposite their upper front 37 and possibly their central part 43.
Dans le cas d'un passage en bosse (non représenté), la situation est simplement inversée. Le passage d'intercirculation est comprimé au niveau de sa partie inférieure, les pièces de contact 35 étant en contact des deux côtés au niveau de leur front inférieur 38.  In the case of a hump (not shown), the situation is simply reversed. The gangway passage is compressed at its lower part, the contact pieces 35 being in contact on both sides at their lower front 38.
Lors des mouvements combinés, liés aux dévers, aux passages dans des creux, des courbes ou toute autre modification de relief de la voie ou de la route, la combinaison du caractère déformable du passage d'intercirculation 1 et des pièces de contact 35 formant tampon permet d'absorber les variations de présentation, d'orientation et de distance entre les extrémités 14, 15 en regard des plateaux 9, 10 équipés du passage d'intercirculation 1 selon l'invention.  During combined movements, related to the slopes, to the passages in hollows, curves or any other modification of the relief of the road or the road, the combination of the deformable nature of the gangway 1 and the contact pieces 35 forming a buffer allows to absorb the variations in presentation, orientation and distance between the ends 14, 15 opposite the trays 9, 10 equipped with the gangway 1 according to the invention.
Enfin, comme représenté sur les figures 14 à 17, le passage d'intercirculation 1 permet avantageusement de réaliser des variations de hauteur ou d'inclinaison des plateformes 9, 10 l'une par rapport à l'autre sans que l'opérateur n'ait à intervenir au niveau du passage d'intercirculation. Finally, as shown in Figures 14 to 17, the passage of intercirculation 1 advantageously makes it possible to make variations of height or inclination of the platforms 9, 10 relative to each other without the operator having to intervene at the level of the gangway.
En effet, la forme enveloppante des pièces de contact 35 avec leurs fronts supérieur 37 et inférieur 38 servant de rampe, permet de garder un contact glissant entre les deux ensembles déformables 12 et 13, même lorsque les deux ensembles sont très proches l'un de l'autre du fait d'un dispositif d'attelage 4 de longueur courte.  Indeed, the enveloping shape of the contact pieces 35 with their upper and lower edges 37 serving as a ramp, makes it possible to maintain a sliding contact between the two deformable assemblies 12 and 13, even when the two sets are very close to each other. the other because of a coupling device 4 of short length.
On a représenté le cas le plus défavorable dans lequel les deux ensembles déformables 12 et 13 sont tous les deux comprimés avec leurs pièces de contact 35 se touchant au niveau de leur partie centrale 43 lorsque les deux plateformes 9 et 10 sont à la même hauteur.  The worst case is shown in which the two deformable assemblies 12 and 13 are both compressed with their contact pieces 35 touching at their central portion 43 when the two platforms 9 and 10 are at the same height.
Lorsque par exemple, l'une des plateformes 9 s'élève par rapport à l'autre 10, les pièces de contact 35 restent en contact avec leur homologue, d'abord au niveau de leur partie centrale 43, puis au niveau du front inférieur 38 de la pièce 35 de la plateforme 9 montante contre le front supérieur 37 de la pièce 35 de la plateforme 10 restant immobile, jusqu'à ce que la plateforme 9 montante ait dépassé la plateforme 10 immobile.  When, for example, one of the platforms 9 rises relative to the other 10, the contact pieces 35 remain in contact with their counterpart, first at their central portion 43, then at the lower front. 38 of the piece 35 of the platform 9 rising against the upper face 37 of the part 35 of the platform 10 remaining stationary, until the platform 9 rising past the platform 10 immobile.
La forme inclinée des fronts supérieur 37 et inférieur 38 agit comme une rampe progressive de glissement qui accompagne l'échappement des deux ensembles déformables 12 et 13. Les lames 16 et 23 des deux ensembles déformables 12 et 13 qui étaient initialement comprimées, se déploient progressivement au fur et à mesure de ce mouvement guidé de glissement, jusqu'à atteindre leur position limite d'extension lorsque la plateforme 9 montante a dépassé la plateforme 10 immobile.  The inclined shape of the upper fronts 37 and lower 38 acts as a progressive slip ramp which accompanies the exhaust of the two deformable assemblies 12 and 13. The blades 16 and 23 of the two deformable assemblies 12 and 13 which were initially compressed, unfold gradually. as this guided sliding movement, until reaching their limit extension position when the platform 9 rising past the platform 10 still.
Lors du retour en position de la plateforme 9, le fonctionnement se déroule de manière similaire en sens inverse.  When the platform 9 returns to its position, the operation proceeds in a similar manner in the opposite direction.
Les pièces de contact 35 entrent en contact par le front inférieur 38 de la plateforme haute 9 et le front supérieur 37 de la plateforme basse 10, alors que les deux ensembles déformables 12 et 13 sont en configuration d'extension maximale. Pendant le mouvement de descente de la plateforme 9, les pièces de contact 35 glissent l'une sur l'autre par leurs fronts inclinés respectivement inférieur 38 et supérieur 37 qui servent de rampes progressives et les lames 16 et 23 des deux ensembles déformables 12 et 13 se compriment progressivement. The contact pieces 35 come into contact with the lower face 38 of the high platform 9 and the upper edge 37 of the lower platform 10, while the two deformable assemblies 12 and 13 are in the maximum extension configuration. During the downward movement of the platform 9, the contact pieces 35 slide over each other by their respective lower inclined edges 38 and upper 37 which serve as progressive ramps and the blades 16 and 23 of the two deformable assemblies 12 and 13 are gradually compressed.
Grâce à cette structure particulièrement avantageuse du passage d'intercirculation de l'invention, l'intervention de l'opérateur devient superflue et on évite les problèmes de casse ou d'endommagement évoqués dans la partie introductive et pouvant être rencontrés avec les dispositifs à volets dépliables de l'art antérieur.  Thanks to this particularly advantageous structure of the gangway passage of the invention, the intervention of the operator becomes superfluous and avoids the problems of breakage or damage mentioned in the introductory part and may be encountered with the shutter devices foldable of the prior art.
Bien qu'il n'ait pas été décrit spécifiquement, le mode de fonctionnement du passage d'intercirculation 1 ne comportant qu'un unique ensemble déformable 12 est similaire à celui du passage d'intercirculation en comportant deux. Il peut aisément se déduire de la description ci-dessus.  Although it has not been specifically described, the operating mode of the gangway 1 having only a single deformable assembly 12 is similar to that of the gangway passage having two. It can easily be deduced from the description above.
De manière évidente, l'invention ne se limite pas aux modes de réalisation préférentiels décrits précédemment et représentés sur les différentes figures, l'homme du métier pouvant y apporter de nombreuses modifications et imaginer d'autres variantes sans sortir ni de la portée, ni du cadre de l'invention définis par les revendications.  Obviously, the invention is not limited to the preferred embodiments described above and shown in the various figures, the skilled person can make many modifications and imagine other variants without departing from the scope and of the scope of the invention defined by the claims.

Claims

REVENDICATIONS
1 . Ensemble déformable (12) destiné à être monté à l'extrémité (14) d'un plateau ou plateforme (9) d'une base roulante (3), dans l'espace libre (1 1 ) séparant ce plateau (9) d'un autre plateau (10) en regard, afin de réaliser un passage d'intercirculation (1 ) entre ces deux plateaux (9, 10) successifs, caractérisé en ce qu'il comporte un ensemble de lames (16) métalliques flexibles, comprenant chacune une partie centrale (19) prolongée de chaque côté par un bras latéral (20) ; en ce que ces lames (16) sont dressées sur leur chant, juxtaposées l'une contre l'autre à la manière d'un empilement et fixées par leur partie centrale (19) à l'extrémité (14) du plateau (9), leurs bras latéraux (20) restant déformables élastiquement ; en ce qu'il comprend une lame terminale (23) qui correspond à la lame (16) la plus éloignée de l'extrémité (14) du plateau (9) ; et en ce qu'il est indépendant du plateau (10) en regard. 1. Deformable assembly (12) intended to be mounted at the end (14) of a plate or platform (9) of a rolling base (3), in the free space (1 1) separating this plate (9) from another plate (10) opposite, in order to make a passage of intercirculation (1) between these two plates (9, 10) successive, characterized in that it comprises a set of blades (16) flexible metal, comprising each a central portion (19) extended on each side by a lateral arm (20); in that these blades (16) are erected on their edge, juxtaposed one against the other in the manner of a stack and fixed by their central part (19) to the end (14) of the plate (9) , their lateral arms (20) remaining elastically deformable; in that it comprises an end plate (23) which corresponds to the blade (16) furthest from the end (14) of the plate (9); and in that it is independent of the plate (10) facing.
2. Ensemble déformable (12) selon la revendication 1 caractérisé en ce que l'encombrement transversal de l'ensemble déformable (12) est sensiblement égal à la largeur du plateau (9).  2. deformable assembly (12) according to claim 1 characterized in that the transverse size of the deformable assembly (12) is substantially equal to the width of the plate (9).
3. Ensemble déformable (12) selon la revendication 1 caractérisée en ce que les lames sont réalisées en métal à hautes limites élastiques.  3. deformable assembly (12) according to claim 1 characterized in that the blades are made of metal with high elastic limits.
4. Ensemble déformable (12) selon la revendication 1 caractérisée en ce que les lames (16) sont réalisées d'une seule pièce à l'exception de la lame terminale (23) qui est formée de deux demi-lames (24).  4. deformable assembly (12) according to claim 1 characterized in that the blades (16) are formed integrally with the exception of the end plate (23) which is formed of two half-blades (24).
5. Ensemble déformable (12) selon la revendication 1 caractérisée en ce que la forme des lames (16) est celle d'un profilé en auge, à partie centrale (19) plane, prolongée par deux ailes latérales obliques (22), suivies de deux branches d'extrémité (21 ) parallèles à la partie centrale (19) ou divergentes en position de repos.  5. deformable assembly (12) according to claim 1 characterized in that the shape of the blades (16) is that of a trough profile, flat central portion (19), extended by two oblique lateral wings (22), followed two end branches (21) parallel to the central part (19) or diverging in the rest position.
6. Ensemble déformable (12) selon la revendication 1 caractérisée en ce que ses lames (16) successives présentent un évasement croissant de leurs bras latéraux (20) de la lame terminale (23) à celle placée la plus proche de l'extrémité (14) du plateau (9), ou des bras latéraux (20) parallèles en position de repos et une partie centrale (19) de longueur croissante de la lame d'extrémité (23) à celle placée la plus proche de l'extrémité (14) du plateau (9). 6. deformable assembly (12) according to claim 1 characterized in that its successive blades (16) have an increasing flare of their lateral arms (20) of the end plate (23) to that placed closest to the end ( 14) of the plate (9), or lateral arms (20) parallel in the rest position and a part central (19) of increasing length of the end plate (23) to that placed closest to the end (14) of the plate (9).
7. Ensemble déformable (12) selon la revendication 1 caractérisée en ce que ses lames (16) sont maintenues en précontrainte élastique et en ce que les bras latéraux (20) des lames (16) sont libres en extrémité.  7. deformable assembly (12) according to claim 1 characterized in that its blades (16) are held in elastic preload and in that the side arms (20) of the blades (16) are free end.
8. Ensemble déformable (12) selon la revendication 1 caractérisé en ce qu'il comporte un dispositif de butée en extension (30) qui limite l'extension des lames (16).  8. Deformable assembly (12) according to claim 1 characterized in that it comprises an extension stop device (30) which limits the extension of the blades (16).
9. Ensemble déformable (12) selon la revendication 8 caractérisée en ce que le dispositif de butée en extension (30) opère sur la lame terminale (23) de l'ensemble déformable (12).  9. deformable assembly (12) according to claim 8 characterized in that the expansion stop device (30) operates on the end plate (23) of the deformable assembly (12).
10. Ensemble déformable (12) selon la revendication 9 caractérisée en ce que le dispositif de butée en extension (30) comprend un retour longitudinal (28), prolongeant vers le plateau (9) chacun des bras latéraux (20) de la lame terminale (23), qui coopère avec un moyen de retenue (29) se trouvant sur le plateau (9).  10. Deformable assembly (12) according to claim 9 characterized in that the extension stop device (30) comprises a longitudinal return (28), extending to the plate (9) each of the lateral arms (20) of the terminal blade (23), which cooperates with a retaining means (29) on the plate (9).
1 1 . Ensemble déformable (12) selon la revendication 10 caractérisée en ce que le moyen de retenue (29) est un guide (31 ) en pontet, fixé sur le profilé de flanc (32) du plateau (9), dans lequel coulisse le retour longitudinal (28) et qui coopère avec une forme de blocage d'extrémité (34) de ce retour longitudinal (28) pour limiter l'extension des lames (16).  1 1. Deformable assembly (12) according to claim 10 characterized in that the retaining means (29) is a guide (31) bridge, fixed on the side profile (32) of the plate (9), in which slides the longitudinal return (28) and which cooperates with an end locking shape (34) of this longitudinal return (28) to limit the extension of the blades (16).
12. Ensemble déformable (12) selon la revendication 1 caractérisée en ce que la lame terminale (23) comporte au niveau de l'extrémité de chacun de ses bras latéraux (20) une pièce de contact (35) formant tampon qui présente une forme bombée enveloppante avec une partie centrale (43), un flanc latéral (36), un front supérieur (37) et un front inférieur (38) recourbés vers le plateau (9).  12. Deformable assembly (12) according to claim 1 characterized in that the end plate (23) comprises at the end of each of its lateral arms (20) a contact piece (35) forming a buffer which has a shape encircling curvature with a central portion (43), a lateral flank (36), an upper edge (37) and a lower edge (38) curved towards the plate (9).
13. Ensemble déformable (12) selon la revendication 1 caractérisée en ce qu'il comporte en outre au moins une lame de comblement (40) disposée dans l'espace libre (1 1 , 39) au niveau de la partie centrale (19) de ses lames (16).  13. deformable assembly (12) according to claim 1 characterized in that it further comprises at least one filling blade (40) disposed in the free space (1 1, 39) at the central portion (19). of its blades (16).
14. Ensemble déformable (12) selon la revendication 13 caractérisée en ce que chaque lame de comblement (40) est une lame sensiblement droite et transversale, montée mobile sur la lame terminale (23). 14. deformable assembly (12) according to claim 13 characterized in that each filling blade (40) is a substantially straight and transverse blade mounted movably on the terminal blade (23).
15. Ensemble déformable (12) selon la revendication 14 caractérisée en ce que chaque lame de comblement (40) comporte à ses extrémités des pattes d'accrochage coudées (41 ) qui sont montées dans des ouvertures longitudinales (42) prévues dans les bras latéraux (20) de la lame terminale (23) et le long desquelles elles peuvent coulisser.  15. Deformable assembly (12) according to claim 14 characterized in that each filling blade (40) has at its ends bent hooking tabs (41) which are mounted in longitudinal openings (42) provided in the lateral arms (20) of the end plate (23) and along which they can slide.
16. Plateau (9) pour une base roulante (5) caractérisé en ce qu'il comporte un ensemble déformable (12) selon l'une quelconque des revendications 1 à 15 monté à au moins l'une de ses extrémités (14).  16. Plate (9) for a rolling base (5) characterized in that it comprises a deformable assembly (12) according to any one of claims 1 to 15 mounted at least one of its ends (14).
17. Passage d'intercirculation (1 ) entre deux plateaux ou plateformes (9, 10) successifs, portés par une base roulante (3) ou par deux bases roulantes (5, 6) successives et séparés par un espace libre 17. Intercirculation passage (1) between two trays or platforms (9, 10) in succession, carried by a rolling base (3) or by two successive rolling bases (5, 6) and separated by a free space
(1 1 ) , caractérisé en ce qu'il comprend au moins un ensemble déformable(1 1), characterized in that it comprises at least one deformable assembly
(12) selon l'une quelconque des revendications 1 à 15. (12) according to any one of claims 1 to 15.
18. Passage d'intercirculation (1 ) selon la revendication 17, caractérisé en ce qu'il comprend deux ensembles déformables (12, 13), indépendants l'un de l'autre et montés en vis-à-vis dans l'espace libre (1 1 ) séparant les deux plateaux (9, 10), chacun à l'une des extrémités (14, 15) se faisant face des deux plateaux (9, 10) successifs.  18. passage intercirculation (1) according to claim 17, characterized in that it comprises two deformable assemblies (12, 13), independent of one another and mounted vis-à-vis in space free (1 1) separating the two plates (9, 10), each at one end (14, 15) facing the two plates (9, 10) successive.
EP10775907.8A 2009-10-30 2010-10-21 Deformable assembly acting as an intercommunicating gangway between two consecutive bodies having wheeled bases Active EP2493741B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0905226A FR2952014B1 (en) 2009-10-30 2009-10-30 DEFORMABLE ASSEMBLY FOR INTERCULCULATING PASSAGE BETWEEN TWO SUCCESSIVE ROLLING BASE TRAYS
PCT/IB2010/054771 WO2011051862A1 (en) 2009-10-30 2010-10-21 Deformable assembly acting as an intercommunicating gangway between two consecutive bodies having wheeled bases

Publications (2)

Publication Number Publication Date
EP2493741A1 true EP2493741A1 (en) 2012-09-05
EP2493741B1 EP2493741B1 (en) 2013-07-03

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Application Number Title Priority Date Filing Date
EP10775907.8A Active EP2493741B1 (en) 2009-10-30 2010-10-21 Deformable assembly acting as an intercommunicating gangway between two consecutive bodies having wheeled bases

Country Status (7)

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US (1) US8794159B2 (en)
EP (1) EP2493741B1 (en)
CN (1) CN102712323B (en)
ES (1) ES2424987T3 (en)
FR (1) FR2952014B1 (en)
RU (1) RU2550056C2 (en)
WO (1) WO2011051862A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107364460B (en) * 2017-07-17 2023-06-06 欧特美交通科技股份有限公司 Cab apron device with quick locking function
CN113492626B (en) * 2020-03-20 2023-01-13 际络科技(上海)有限公司 Connecting assembly and vehicle

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DE737116C (en) * 1937-05-25 1943-07-07 Herbert Goy Transitional connection between two coupled vehicles
DE3305062A1 (en) * 1983-02-14 1984-08-16 Hübner Gummi- und Kunststoff GmbH, 3500 Kassel Intercommunicating gangway for rail vehicles
DK259987D0 (en) * 1987-05-22 1987-05-22 Ascan As TRANSITIONAL RELATIONSHIP BETWEEN PERMANENTLY CONNECTED RAILWAYS
US5060577A (en) * 1989-12-13 1991-10-29 Floyd Steinmetz Diaphragm assembly for the ends of passenger railroad cars comprising one piece integrally molded urethane channel members
EP0562598A1 (en) * 1992-03-25 1993-09-29 HÜBNER Gummi- und Kunststoff GmbH Articulated joint between two articulated vehicles
FR2764856B1 (en) * 1997-06-18 1999-08-20 Joint Francais INTERCONNECTION BELLOWS FORMING AN INTERCIRCULATION CORRIDOR FOR ROLLING EQUIPMENT
DE59805559D1 (en) * 1998-11-05 2002-10-17 Huebner Gmbh CONNECTING DEVICE BETWEEN TWO JOINTLY CONNECTED VEHICLE PARTS OF AN ARTICULATED VEHICLE
DE10023701A1 (en) * 2000-05-09 2001-11-22 Contitech Elastomer Besch Gmbh Bellows-type passage for articulated vehicle; has folds or corrugations, with folds of base formed as transverse flexible corrugations or folds and elastic clamp element, from which base is suspended
RU2236966C2 (en) * 2002-10-10 2004-09-27 Закрытое акционерное общество "Торговый дом "БМЗ" Boxcar for automobiles
FR2866616A1 (en) * 2004-02-25 2005-08-26 Hutchinson Flexible floor for interconnection bellows between two vehicles, includes elastomer reinforcements of equal lengths set between ends of adjacent metal blades, and made up of at least two blocks spaced apart from floor longitudinal plane
DE102006002655B4 (en) * 2006-01-19 2008-03-06 Hübner GmbH Bellows a transition between two articulated vehicles
IT1390795B1 (en) * 2008-07-31 2011-10-19 Pei Protezioni Elaborazioni BELLOW CONNECTION DEVICE FOR ARTICULATED VEHICLES.

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Title
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Also Published As

Publication number Publication date
RU2550056C2 (en) 2015-05-10
FR2952014A1 (en) 2011-05-06
FR2952014B1 (en) 2011-12-09
EP2493741B1 (en) 2013-07-03
US20120260438A1 (en) 2012-10-18
CN102712323B (en) 2015-05-20
WO2011051862A1 (en) 2011-05-05
US8794159B2 (en) 2014-08-05
ES2424987T3 (en) 2013-10-10
CN102712323A (en) 2012-10-03
RU2012122090A (en) 2013-12-20

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