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EP2345780A1 - Motorised telescopic tribune - Google Patents

Motorised telescopic tribune Download PDF

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Publication number
EP2345780A1
EP2345780A1 EP11150122A EP11150122A EP2345780A1 EP 2345780 A1 EP2345780 A1 EP 2345780A1 EP 11150122 A EP11150122 A EP 11150122A EP 11150122 A EP11150122 A EP 11150122A EP 2345780 A1 EP2345780 A1 EP 2345780A1
Authority
EP
European Patent Office
Prior art keywords
chain
branch
active
vertical
telescopic stand
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
EP11150122A
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German (de)
French (fr)
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EP2345780B1 (en
Inventor
Koen Van Dierdonck
Geert Van de Moortel
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.)
Serapid France
Original Assignee
Serapid France
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Filing date
Publication date
Application filed by Serapid France filed Critical Serapid France
Priority to PL11150122T priority Critical patent/PL2345780T3/en
Publication of EP2345780A1 publication Critical patent/EP2345780A1/en
Application granted granted Critical
Publication of EP2345780B1 publication Critical patent/EP2345780B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
    • E04H3/12—Tribunes, grandstands or terraces for spectators
    • E04H3/123—Telescopic grandstands

Definitions

  • the present invention relates to a motorized telescopic grandstand more specifically for equipping stadiums, or sports halls or shows.
  • Such a platform is conventionally provided with a set of steps offset in height and each having at least one row of adjacent seats (chairs or benches) which is mounted on a support frame.
  • a telescopic stand of this type are mounted on a support frame, essentially vertical, movable in translation along the ground, parallel to itself and comprising a lower horizontal support beam preferably having a rectangular section, as well as vertical and / or oblique connecting ties.
  • the supporting beams equipping the support frame of each of the stands are collected side by side in the rest position and are located at a distance from each other in the position of use.
  • the present invention aims to overcome this disadvantage by providing a motorized telescopic platform of the aforementioned type whose movement between the rest position and the position of use is controlled by motor drives particularly simple and inexpensive and in in addition particularly simple to handle.
  • such a telescopic platform is characterized in that it is equipped with motorized drive members which comprise a thrust chain comprising on the one hand an active horizontal branch extending perpendicularly to the supporting beams of the support frames , at the top of these beams, and other part of an inactive storage branch comprising at least one vertical segment separated from the active branch by a curved section at which the drive chain is driven and guided by at least one rotary gear driven by a geared motor.
  • motorized drive members which comprise a thrust chain comprising on the one hand an active horizontal branch extending perpendicularly to the supporting beams of the support frames , at the top of these beams, and other part of an inactive storage branch comprising at least one vertical segment separated from the active branch by a curved section at which the drive chain is driven and guided by at least one rotary gear driven by a geared motor.
  • the active branch of the thrust chain is fixed at its free end to the carrier beam equipped with the row of seats of greater or smaller height, as a rule to the row of seats of lower height, so that the step with the row of seats of greater height can be applied against a vertical wall.
  • the inactive storage branch of the push chain is housed in a receiving box in which it can be bent on itself to be stored in a reduced volume.
  • Such thrust chains which are for example described in the documents FR 1 297 285 , FR 2 061 884 or FR 2 780 472 have a special structure that allows them to transmit not only traction forces, like traditional chains, but also pushing forces by behaving like rigid bars in one piece.
  • chains are conventionally constituted by a succession of links articulated on each other by means of transversely directed axes.
  • Each link comprises two substantially parallel cheeks, respectively pierced with holes for receiving the hinge pins, and each equipped with an extension defining a front transverse active face and a rear transverse active face, called to bear, respectively, against the rear and front transverse active faces of the cheeks of neighboring links when the chain section, of which the links in question belong, extends along a straight line.
  • Such thrust chains are driven at the curved section separating the active branch of the storage branch by a motor pinion axis parallel to the axes of articulation of the links, mounted in a housing and on which the chain is wound.
  • the supporting beams equipping the support frame of each of the steps of such a platform are preferably mounted on rollers to facilitate their movement on the ground between the rest position and the position of use.
  • the support beams of the support frames of the steps are equipped on their upper face with guide pads of the active branch of the push chain, preferably made of synthetic material, which support this chain and guide it. laterally and vertically cyclically during its movement from the rest position to the position of use.
  • the active horizontal arm of the push chain is mounted on vertical rods which prevent it coming into contact with the ground during its movement between the rest position and the position of use.
  • the active branch of the push chain can indeed have a length of several meters and the vertical rods then make it possible to compensate for its flexion.
  • the vertical rods can also be advantageously equipped at their upper end with guide pads of the active branch of the thrust chain, preferably made of synthetic material.
  • the stroke of the thrust chain is limited only by the configuration of the place or the room in which the telescopic stand is located, the number of stands of this stand, and the strength of thrust necessary for its displacement.
  • this branch can advantageously be folded back on itself and subdivided into at least three strands. vertical.
  • the telescopic stand is equipped with a set of steps 1 offset in height and each having at least one row of adjacent seats 2.
  • Each of the steps 1 is mounted on a vertical support frame 3 which is movable in translation along the ground, parallel to itself.
  • the support frames 3 each comprise a lower horizontal support beam 4 having a rectangular section and a set of connecting rails 5, vertical and oblique.
  • the telescopic stand is shown in its use position in which the steps 1 are deployed so that the rows of seats 2 are stepped and recessed relative to each other.
  • a push chain 6 makes it possible to move the telescopic stand between its position of use represented on the figure 1 and a rest position in which the steps 1 are folded side by side.
  • the support beams 4 of the support frame 3 of the different steps 1 are located at a distance parallel to each other.
  • the supporting beams 4 of the support frame 3 of the different steps 1 are assembled side by side.
  • the carrier beams 4 are equipped with rollers 14 of a nature to facilitate their movement on the ground between the rest position and the position of use.
  • the thrust chain 6 is constituted by a succession of links articulated on each other and shaped so as to transmit tensile forces and thrust forces.
  • the thrust chain 6 comprises an active horizontal branch 7 which extends perpendicularly to the carrier beams 4 of the support frame 3 of each of the steps 1, to the upper part of these beams 4, as well as an inactive storage branch 8 folded on itself so as to form three vertical strands and stored in a receiving box 9.
  • the active branch 7 and the inactive storage branch 8 of the thrust chain 6 are separated by a curved section housed in a housing 10 fixed to the ground which encloses a not shown drive and guide motor gear whose rotation is controlled by a geared motor.
  • the active horizontal branch 7 of the push chain 6 is fixed to the carrier beam 4 of the support frame 3 of the step 1 of lower height at its end located opposite the housing 10.
  • the active horizontal branch 7 of the push chain 6 is further inserted into plastics guide pads 13 fixed on the upper face of each of the support beams 4 of the support frames 3.
  • These guide pads are made to support the push chain 6 and to guide it laterally and vertically cyclically during its movement from the rest position to the position of use.
  • the active horizontal branch 7 of the thrust chain 6 is also mounted on vertical rods 11 equipped at their upper end with guide pads 12 of synthetic material.
  • the displacement of the active branch 7 of the push chain 6 along the arrow A causes the telescopic platform to move from the use position to the rest position.
  • the thrust chain 6 behaves like a conventional chain for transmitting traction forces.
  • the carrier beams 4 then successively come into contact with each other.
  • the displacement of a carrier beam 4 thus causes step by step the displacement of the carrier beam 4 neighbor by contact of these beams to the rest position shown on the figure 3 in which all the carrier beams 4 are gathered side by side.
  • the push chain 6 is supported and guided by the guide pads 13 fitted to the support beams 4 of the support frames 3 of the different steps 1 and then behaves like a rigid bar for exerting a thrust force on these beams. 4 so as to move them to the use position shown on the figure 2 in which they are located at a distance from each other.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Escalators And Moving Walkways (AREA)
  • Transmission Devices (AREA)

Abstract

The tribune has a motorized drive member including a pusher chain (6) provided with an active horizontal branch (7) that extends perpendicularly to upper and lower horizontal needle beams (4) of a vertical support frame (3) of a step (1-1). The active branch is fixed at its free end with one of the needle beams equipped with a row of large or small seats (2). The chain has an inactive storage branch (8) provided with a vertical segment separated from the active branch by a bent section at which the chain is driven and guided by a rotating pinion gear controlled by a gear motor.

Description

La présente invention a pour objet une tribune télescopique motorisée plus spécialement destinée à équiper des stades, ou encore des salles de sports ou de spectacles.The present invention relates to a motorized telescopic grandstand more specifically for equipping stadiums, or sports halls or shows.

Une telle tribune est classiquement munie d'un ensemble de gradins décalés en hauteur et comportant chacun au moins une rangée de sièges adjacents (fauteuils ou banquettes) qui est montée sur une ossature support.Such a platform is conventionally provided with a set of steps offset in height and each having at least one row of adjacent seats (chairs or benches) which is mounted on a support frame.

Il arrive que des tribunes ne soient pas constamment utilisées et doivent être démontées.Sometimes stands are not constantly used and must be dismantled.

Pour cette raison, on a déjà proposé des tribunes télescopiques mobiles entre une position de repos dans laquelle les gradins sont repliés côte à côte, notamment contre une paroi verticale, et une position d'utilisation dans laquelle les gradins sont déployés de sorte que les rangées de sièges soient étagées et en retrait les unes par rapport aux autres.For this reason, mobile telescopic stands have already been proposed between a rest position in which the steps are folded side by side, in particular against a vertical wall, and a position of use in which the stands are deployed so that the rows seats are staggered and set back from each other.

Les gradins d'une tribune télescopique de ce type sont montés sur une ossature support, essentiellement verticale, mobile en translation le long du sol, parallèlement à elle-même et comportant une poutre porteuse horizontale inférieure ayant de préférence une section rectangulaire, ainsi que des traverses de liaison verticales et/ou obliques.The steps of a telescopic stand of this type are mounted on a support frame, essentially vertical, movable in translation along the ground, parallel to itself and comprising a lower horizontal support beam preferably having a rectangular section, as well as vertical and / or oblique connecting ties.

Les poutres porteuses équipant l'ossature support de chacun des gradins sont rassemblées côte à côte en position de repos et sont situées à distance les unes des autres en position d'utilisation.The supporting beams equipping the support frame of each of the stands are collected side by side in the rest position and are located at a distance from each other in the position of use.

Le déplacement d'une telle tribune télescopique entre la position de repos et la position d'utilisation est en règle générale commandé par des organes d'entraînement motorisés qui peuvent être sophistiqués, donc onéreux ou dont la configuration est essentiellement rudimentaire rendant leur maniement peu aisé et dépourvu de fiabilité.The displacement of such a telescopic platform between the rest position and the position of use is generally controlled by motorized drive members which can be sophisticated, so expensive or whose configuration is essentially rudimentary making their easy handling and unreliable.

La présente invention a pour objet de remédier à cet inconvénient en proposant une tribune télescopique motorisée du type susmentionné dont le déplacement entre la position de repos et la position d'utilisation est commandé par des organes d'entraînement motorisés particulièrement simples et peu onéreux et en outre particulièrement simples à manipuler.The present invention aims to overcome this disadvantage by providing a motorized telescopic platform of the aforementioned type whose movement between the rest position and the position of use is controlled by motor drives particularly simple and inexpensive and in in addition particularly simple to handle.

Selon l'invention, une telle tribune télescopique est caractérisée en ce qu'elle est équipée d'organes d'entraînement motorisés qui comportent une chaîne de poussée comprenant d'une part une branche horizontale active s'étendant perpendiculairement aux poutres porteuses des ossatures support, à la partie supérieure de ces poutres, et d'autre part une branche de stockage inactive comprenant au moins un segment vertical séparée de la branche active par un tronçon courbe au niveau duquel la chaîne de poussée est entraînée et guidée par au moins un pignon rotatif commandé par un motoréducteur.According to the invention, such a telescopic platform is characterized in that it is equipped with motorized drive members which comprise a thrust chain comprising on the one hand an active horizontal branch extending perpendicularly to the supporting beams of the support frames , at the top of these beams, and other part of an inactive storage branch comprising at least one vertical segment separated from the active branch by a curved section at which the drive chain is driven and guided by at least one rotary gear driven by a geared motor.

La branche active de la chaîne de poussée est fixée à son extrémité libre à la poutre porteuse équipée de la rangée de sièges de plus grande ou de plus faible hauteur, en règle générale à la rangée de sièges de plus faible hauteur, de sorte que le gradin équipé de la rangée de sièges de plus grande hauteur puisse être appliqué contre une paroi verticale.The active branch of the thrust chain is fixed at its free end to the carrier beam equipped with the row of seats of greater or smaller height, as a rule to the row of seats of lower height, so that the step with the row of seats of greater height can be applied against a vertical wall.

La branche de stockage inactive de la chaîne de poussée est quant à elle logée dans un boîtier de réception dans lequel elle peut être recourbée sur elle-même pour être emmagasinée dans un volume réduit.The inactive storage branch of the push chain is housed in a receiving box in which it can be bent on itself to be stored in a reduced volume.

On a déjà proposé depuis de nombreuses années d'utiliser des chaînes de poussée pour actionner diverses pièces mécaniques.It has been proposed for many years to use push chains to actuate various mechanical parts.

De telles chaînes de poussée qui sont à titre d'exemple décrites dans les documents FR 1 297 285 , FR 2 061 884 ou FR 2 780 472 ont une structure particulière qui leur permet de transmettre des efforts non seulement de traction, à la façon des chaînes traditionnelles, mais également des efforts de poussée en se comportant alors comme des barres rigides en une seule pièce.Such thrust chains which are for example described in the documents FR 1 297 285 , FR 2 061 884 or FR 2 780 472 have a special structure that allows them to transmit not only traction forces, like traditional chains, but also pushing forces by behaving like rigid bars in one piece.

Ces chaînes sont classiquement constituées par une succession de maillons articulés les uns sur les autres au moyen d'axes dirigés transversalement.These chains are conventionally constituted by a succession of links articulated on each other by means of transversely directed axes.

Chaque maillon comporte deux joues essentiellement parallèles, respectivement percées de trous de réception des axes d'articulation, et équipées, chacune, d'un prolongement définissant une face active transversale avant et une face active transversale arrière, appelée à prendre appui, respectivement, contre les faces actives transversales arrière et avant des joues des maillons voisins lorsque le tronçon de chaîne, dont font partie les maillons considérés, s'étend suivant une ligne droite.Each link comprises two substantially parallel cheeks, respectively pierced with holes for receiving the hinge pins, and each equipped with an extension defining a front transverse active face and a rear transverse active face, called to bear, respectively, against the rear and front transverse active faces of the cheeks of neighboring links when the chain section, of which the links in question belong, extends along a straight line.

De telles chaînes de poussée sont entraînées au niveau du tronçon courbe séparant la branche active de la branche de stockage par un pignon moteur d'axe parallèle aux axes d'articulation des maillons, monté dans un carter et sur lequel s'enroule la chaîne.Such thrust chains are driven at the curved section separating the active branch of the storage branch by a motor pinion axis parallel to the axes of articulation of the links, mounted in a housing and on which the chain is wound.

Des galets de roulement montés fous permettent de guider les maillons de la chaîne de poussée autour du pignon moteur.Rollers mounted idle guide the links of the chain of thrust around the drive pinion.

Selon l'invention, on a eu l'idée d'adapter des chaînes de poussée de ce type à l'actionnement de tribunes télescopiques.According to the invention, it has been the idea to adapt thrust chains of this type to the actuation of telescopic stands.

Les poutres porteuses équipant l'ossature support de chacun des gradins d'une telle tribune sont de préférence montées sur des galets de roulement permettant de faciliter leur déplacement sur le sol entre la position de repos et la position d'utilisation.The supporting beams equipping the support frame of each of the steps of such a platform are preferably mounted on rollers to facilitate their movement on the ground between the rest position and the position of use.

Selon une caractéristique préférentielle de l'invention, les poutres porteuses des ossatures support des gradins sont équipées sur leur face supérieure de patins de guidage de la branche active de la chaîne de poussée, de préférence en matériau synthétique, qui supportent cette chaîne et la guident latéralement et verticalement de façon cyclique au cours de son déplacement de la position de repos vers la position d'utilisation.According to a preferred feature of the invention, the support beams of the support frames of the steps are equipped on their upper face with guide pads of the active branch of the push chain, preferably made of synthetic material, which support this chain and guide it. laterally and vertically cyclically during its movement from the rest position to the position of use.

Selon une autre caractéristique préférentielle de l'invention, la branche horizontale active de la chaîne de poussée est montée sur des tiges verticales qui permettent d'éviter qu'elle vienne en contact avec le sol au cours de son déplacement entre la position de repos et la position d'utilisation.According to another preferred feature of the invention, the active horizontal arm of the push chain is mounted on vertical rods which prevent it coming into contact with the ground during its movement between the rest position and the position of use.

La branche active de la chaîne de poussée peut en effet avoir une longueur de plusieurs mètres et les tiges verticales permettent alors de compenser sa flexion.The active branch of the push chain can indeed have a length of several meters and the vertical rods then make it possible to compensate for its flexion.

Selon l'invention, les tiges verticales peuvent elles aussi être avantageusement équipées à leur extrémité supérieure de patins de guidage de la branche active de la chaîne de poussée, de préférence réalisés en matériau synthétique.According to the invention, the vertical rods can also be advantageously equipped at their upper end with guide pads of the active branch of the thrust chain, preferably made of synthetic material.

Il est à noter que selon l'invention, la course de la chaîne de poussée n'est limitée que par la configuration du lieu ou du local dans lequel la tribune télescopique est implantée, le nombre de gradins de cette tribune, et la force de poussée nécessaire à son déplacement.It should be noted that according to the invention, the stroke of the thrust chain is limited only by the configuration of the place or the room in which the telescopic stand is located, the number of stands of this stand, and the strength of thrust necessary for its displacement.

Il est en outre à noter que pour réduire la hauteur nécessaire à l'emmagasinage de la branche de stockage inactive de la chaîne de poussée dans le boîtier de réception, cette branche peut avantageusement être repliée sur elle-même et subdivisée en au moins trois brins verticaux.It should also be noted that in order to reduce the height necessary for storing the inactive storage branch of the thrust chain in the receiving housing, this branch can advantageously be folded back on itself and subdivided into at least three strands. vertical.

Les caractéristiques de la tribune télescopique motorisée qui fait l'objet de l'invention seront décrites plus en détail en se référant aux dessins non limitatifs annexés dans lesquels :

  • la figure 1. est une vue en perspective de la face arrière d'une tribune télescopique conforme à l'invention,
  • la figure 2 est une vue en perspective représentant les poutres porteuses de la tribune télescopique en position d'utilisation ainsi que la chaîne de poussée,
  • la figure 3 représente les poutres porteuses de la tribune télescopique en position de repos,
  • la figure 4 est un détail représentant l'extrémité supérieure d'une tige verticale équipée d'un patin de guidage.
The characteristics of the motorized telescopic platform which is the subject of the invention will be described in more detail with reference to the accompanying non-limiting drawings in which:
  • the figure 1 . is a perspective view of the rear face of a telescopic stand according to the invention,
  • the figure 2 is a perspective view showing the carrier beams of the telescopic stand in the use position and the push chain,
  • the figure 3 represents the supporting beams of the telescopic stand in the rest position,
  • the figure 4 is a detail representing the upper end of a vertical rod equipped with a guide pad.

Selon la figure 1, la tribune télescopique est équipée d'un ensemble de gradins 1 décalés en hauteur et comportant chacun au moins une rangée de sièges adjacents 2.According to figure 1 , the telescopic stand is equipped with a set of steps 1 offset in height and each having at least one row of adjacent seats 2.

Chacun des gradins 1 est monté sur une ossature support verticale 3 qui est mobile en translation le long du sol, parallèlement à elle-même.Each of the steps 1 is mounted on a vertical support frame 3 which is movable in translation along the ground, parallel to itself.

Les ossatures support 3 comportent chacune une poutre porteuse horizontale inférieure 4 ayant une section rectangulaire ainsi qu'un ensemble de traverses de liaison 5, verticales et obliques.The support frames 3 each comprise a lower horizontal support beam 4 having a rectangular section and a set of connecting rails 5, vertical and oblique.

Selon la figure 1, la tribune télescopique est représentée dans sa position d'utilisation dans laquelle les gradins 1 sont déployés de sorte que les rangées de sièges 2 soient étagées et en retrait les unes par rapport aux autres.According to figure 1 , the telescopic stand is shown in its use position in which the steps 1 are deployed so that the rows of seats 2 are stepped and recessed relative to each other.

Une chaîne de poussée 6 permet de déplacer la tribune télescopique entre sa position d'utilisation représentée sur la figure 1 et une position de repos dans laquelle les gradins 1 sont repliés côte à côte.A push chain 6 makes it possible to move the telescopic stand between its position of use represented on the figure 1 and a rest position in which the steps 1 are folded side by side.

Selon la figure 2, en position d'utilisation, les poutres porteuses 4 de l'ossature support 3 des différents gradins 1 sont situées à distance parallèlement les unes aux autres.According to figure 2 in the position of use, the support beams 4 of the support frame 3 of the different steps 1 are located at a distance parallel to each other.

Selon la figure 3, en position de repos, les poutres porteuses 4 de l'ossature support 3 des différents gradins 1 sont rassemblées côte à côte.According to figure 3 in the rest position, the supporting beams 4 of the support frame 3 of the different steps 1 are assembled side by side.

Les poutres porteuses 4 sont équipées de galets de roulement 14 de nature à faciliter leur déplacement sur le sol entre la position de repos et la position d'utilisation.The carrier beams 4 are equipped with rollers 14 of a nature to facilitate their movement on the ground between the rest position and the position of use.

La chaîne de poussée 6 est constituée par une succession de maillons articulés les uns sur les autres et conformés de façon à permettre de transmettre des efforts de traction et des efforts de poussée.The thrust chain 6 is constituted by a succession of links articulated on each other and shaped so as to transmit tensile forces and thrust forces.

La structure précise de cette chaîne 6 est connue en elle-même et ne sera pas décrite en détail dans la suite de cet exposé.The precise structure of this chain 6 is known in itself and will not be described in detail later in this presentation.

Selon les figures 1 et 2, la chaîne de poussée 6 comporte une branche horizontale active 7 qui s'étend perpendiculairement aux poutres porteuses 4 de l'ossature support 3 de chacun des gradins 1, à la partie supérieure de ces poutres 4, ainsi qu'une branche de stockage inactive 8 repliée sur elle-même de manière à former trois brins verticaux et emmagasinée dans un boîtier de réception 9.According to Figures 1 and 2 , the thrust chain 6 comprises an active horizontal branch 7 which extends perpendicularly to the carrier beams 4 of the support frame 3 of each of the steps 1, to the upper part of these beams 4, as well as an inactive storage branch 8 folded on itself so as to form three vertical strands and stored in a receiving box 9.

La branche active 7 et la branche de stockage inactive 8 de la chaîne de poussée 6 sont séparées par un tronçon courbe logé dans un carter 10 fixé au sol qui renferme un pignon moteur d'entraînement et de guidage non représenté dont la rotation est commandée par un motoréducteur.The active branch 7 and the inactive storage branch 8 of the thrust chain 6 are separated by a curved section housed in a housing 10 fixed to the ground which encloses a not shown drive and guide motor gear whose rotation is controlled by a geared motor.

Selon la figure 1, la branche horizontale active 7 de la chaîne de poussée 6 est fixée à la poutre porteuse 4 de l'ossature support 3 du gradin l1 de plus faible hauteur à son extrémité située à l'opposé du carter 10.According to figure 1 the active horizontal branch 7 of the push chain 6 is fixed to the carrier beam 4 of the support frame 3 of the step 1 of lower height at its end located opposite the housing 10.

Selon les figures 2 et 3, la branche horizontale active 7 de la chaîne de poussée 6 est en outre insérée dans des patins de guidage 13 en matériau synthétique fixés sur la face supérieure de chacune des poutres porteuses 4 des ossatures support 3.According to Figures 2 and 3 , the active horizontal branch 7 of the push chain 6 is further inserted into plastics guide pads 13 fixed on the upper face of each of the support beams 4 of the support frames 3.

Ces patins de guidage sont réalisés de façon à supporter la chaîne de poussée 6 et à la guider latéralement et verticalement de façon cyclique au cours de son déplacement de la position de repos vers la position d'utilisation.These guide pads are made to support the push chain 6 and to guide it laterally and vertically cyclically during its movement from the rest position to the position of use.

Selon les figures 1, 2 et 4, la branche horizontale active 7 de la chaîne de poussée 6 est de plus montée sur des tiges verticales 11 équipées à leur extrémité supérieure de patins de guidage 12 en matériau synthétique.According to Figures 1, 2 and 4 the active horizontal branch 7 of the thrust chain 6 is also mounted on vertical rods 11 equipped at their upper end with guide pads 12 of synthetic material.

Ces tiges verticales 11 ont pour fonction d'empêcher que la chaîne de poussée 6 vienne en contact avec le sol.These vertical rods 11 have the function of preventing the push chain 6 comes into contact with the ground.

Selon la figure 1, le déplacement de la branche active 7 de la chaîne de poussée 6 selon la flèche A entraîne le déplacement de la tribune télescopique de la position d'utilisation vers la position de repos.According to figure 1 , the displacement of the active branch 7 of the push chain 6 along the arrow A causes the telescopic platform to move from the use position to the rest position.

Lors de ce déplacement, la chaîne de poussée 6 se comporte comme une chaîne classique pour transmettre des efforts de traction.During this movement, the thrust chain 6 behaves like a conventional chain for transmitting traction forces.

Les poutres porteuses 4 viennent alors successivement en contact les unes avec les autres.The carrier beams 4 then successively come into contact with each other.

Le déplacement d'une poutre porteuse 4 entraîne ainsi de proche en proche le déplacement de la poutre porteuse 4 voisine par contact de ces poutres jusqu'à la position de repos représentée sur la figure 3 dans laquelle toutes les poutres porteuses 4 sont rassemblées côte à côte.The displacement of a carrier beam 4 thus causes step by step the displacement of the carrier beam 4 neighbor by contact of these beams to the rest position shown on the figure 3 in which all the carrier beams 4 are gathered side by side.

A partir de cette position de repos, le déplacement de la branche active 7 de la chaîne de poussée 6 dans le sens inverse de la flèche A entraîne le déplacement de la tribune télescopique de la position de repos vers la position d'utilisation représentée sur les figures 1 et 2.From this rest position, the movement of the active branch 7 of the thrust chain 6 in the opposite direction to the arrow A causes the telescopic platform to move from the rest position to the position of use shown in FIGS. Figures 1 and 2 .

Lors de ce déplacement, la chaîne de poussée 6 est supportée et guidée par les patins de guidage 13 équipant les poutres porteuses 4 des ossatures support 3 des différents gradins 1 et se comporte alors comme une barre rigide pour exercer un effort de poussée sur ces poutres 4 de façon à les déplacer jusqu'à la position d'utilisation représentée sur la figure 2 dans laquelle elles sont situées à distance les unes des autres.During this movement, the push chain 6 is supported and guided by the guide pads 13 fitted to the support beams 4 of the support frames 3 of the different steps 1 and then behaves like a rigid bar for exerting a thrust force on these beams. 4 so as to move them to the use position shown on the figure 2 in which they are located at a distance from each other.

NOMENCLATURENOMENCLATURE

11
Gradinsbleachers
22
Siègesseating
33
Ossature supportSupport frame
44
Poutres porteusesLoadbearing beams
55
Traverses de liaisonLink sleepers
66
Chaîne de pousséePush chain
77
Branche horizontale activeActive horizontal branch
88
Branche de stockage inactiveInactive storage branch
99
Boîtier de réceptionReceiving box
1010
Carterbox
1111
Tiges verticalesVertical rods
1212
Patins de guidageGuide pads
1313
Patins de guidageGuide pads
1414
Galets de roulementRollers

Claims (6)

Tribune télescopique motorisée munie d'une part d'un ensemble de gradins (1) décalés en hauteur, comportant chacun au moins une rangée de sièges adjacents (2) montée sur une ossature support (3), essentiellement verticale, mobile en translation le long du sol, parallèlement à elle-même et comportant une poutre porteuse horizontale (4) inférieure ayant de préférence une section rectangulaire, ainsi que des traverses de liaison verticales et/ou obliques (5), et d'autre part d'organes d'entraînement motorisés permettant de la déplacer entre une position de repos dans laquelle les gradins (1) sont repliés côte à côte, et une position d'utilisation dans laquelle les gradins (1) sont déployés de sorte que les rangées de sièges (2) soient étagées et en retrait les unes par rapport aux autres,
caractérisée en ce que
les organes d'entraînement motorisés comportent une chaîne de poussée (6) comprenant d'une part une branche horizontale active (7) s'étendant perpendiculairement aux poutres porteuses (4) des ossatures support, à la partie supérieure de ces poutres (4), et fixée à son extrémité libre à la poutre porteuse (4) équipée de la rangée de sièges (2) de plus grande ou de plus faible hauteur, et d'autre part une branche de stockage inactive (8) comprenant au moins un segment vertical séparée de la branche active par un tronçon courbe au niveau duquel la chaîne de poussée (6) est entraînée et guidée par au moins un pignon rotatif commandé par un motoréducteur.Motorized telescopic stand equipped on the one hand with a set of steps (1) offset in height, each having at least one row of adjacent seats (2) mounted on a support structure (3), essentially vertical, movable in translation along of the ground, parallel to itself and comprising a lower horizontal support beam (4) preferably having a rectangular section, as well as vertical and / or oblique connecting rails (5), and on the other hand motorized drive to move it between a rest position in which the steps (1) are folded side by side, and a use position in which the steps (1) are deployed so that the rows of seats (2) are staggered and set back from each other,
characterized in that
the motorized drive members comprise a push chain (6) comprising on the one hand an active horizontal branch (7) extending perpendicularly to the supporting beams (4) of the support frames, to the upper part of these beams (4) , and fixed at its free end to the carrier beam (4) equipped with the row of seats (2) of greater or smaller height, and secondly an inactive storage branch (8) comprising at least one segment vertical separated from the active branch by a curved section at which the drive chain (6) is driven and guided by at least one rotary gear driven by a geared motor. Tribune télescopique selon la revendication 1,
caractérisée en ce que
les poutres porteuses (4) sont montées sur des galets de roulement (14) facilitant leur déplacement sur le sol entre la position de repos et la position d'utilisation.Telescopic stand according to claim 1,
characterized in that
the support beams (4) are mounted on rollers (14) facilitating their movement on the ground between the rest position and the position of use. Tribune télescopique selon l'une quelconque des revendications 1 et 2, caractérisée en ce que
les poutres porteuse (4) des ossatures support (3) des gradins (1) sont équipées, sur leur face supérieure, de patins de guidage (13) de la chaîne de poussée (6), de préférence en matériau synthétique qui supportent cette chaîne et la guident latéralement et verticalement de façon cyclique au cours de son déplacement de la position de repos vers la position d'utilisation.Telescopic stand according to one of Claims 1 and 2, characterized in that
the supporting beams (4) of the support frames (3) of the steps (1) are equipped on their upper face with guide shoes (13) of the push chain (6), preferably of synthetic material, which support this chain. and guide it laterally and vertically cyclically during its movement from the rest position to the position of use. Tribune télescopique selon l'une quelconque des revendications 1 à 3, caractérisée en ce que
la branche horizontale active (7) de la chaîne de poussée (6) est montée sur des tiges verticales (11) permettant d'empêcher qu'elle vienne en contact avec le sol au cours de son déplacement entre la position de repos et la position d'utilisation.Telescopic stand according to one of Claims 1 to 3, characterized in that
the active horizontal leg (7) of the push chain (6) is mounted on vertical rods (11) to prevent it coming into contact with the ground during its movement between the rest position and the position use. Tribune télescopique selon la revendication 4,
caractérisée en ce que
les tiges verticales (11) sont équipées à leur extrémité supérieure de patins de guidage (12) de la branche active (7) de la chaîne de poussée (6) de préférence réalisés en matériau synthétique.Telescopic stand according to Claim 4,
characterized in that
the vertical rods (11) are equipped at their upper end with guide pads (12) of the active branch (7) of the push chain (6) preferably made of synthetic material. Tribune télescopique selon l'une quelconque des revendications 1 à 5, caractérisée en ce que
la branche de stockage inactive (8) de la chaîne de poussée est repliée sur elle-même et subdivisée en au moins trois brins verticaux.Telescopic stand according to one of Claims 1 to 5, characterized in that
the inactive storage branch (8) of the thrust chain is folded back on itself and subdivided into at least three vertical strands.
EP11150122A 2010-01-15 2011-01-04 Motorised telescopic tribune Not-in-force EP2345780B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11150122T PL2345780T3 (en) 2010-01-15 2011-01-04 Motorised telescopic tribune

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1050269A FR2955344B1 (en) 2010-01-15 2010-01-15 MOTORIZED TELESCOPIC TRIBUNE

Publications (2)

Publication Number Publication Date
EP2345780A1 true EP2345780A1 (en) 2011-07-20
EP2345780B1 EP2345780B1 (en) 2012-08-22

Family

ID=42725630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11150122A Not-in-force EP2345780B1 (en) 2010-01-15 2011-01-04 Motorised telescopic tribune

Country Status (4)

Country Link
EP (1) EP2345780B1 (en)
ES (1) ES2398849T3 (en)
FR (1) FR2955344B1 (en)
PL (1) PL2345780T3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013068820A1 (en) 2011-11-10 2013-05-16 Cos Nv Telescopic grandstand with automatic folding seats
EP2604776A1 (en) 2011-12-15 2013-06-19 COS nv Telescopic grandstand with multiple telescopic partial grandstands
WO2019087013A1 (en) 2017-11-03 2019-05-09 Cos Nv Telescopic grandstand comprising pressure-distributing elements

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016006791U1 (en) 2016-11-04 2016-11-16 Waagner-Biro Bavaria Stage Systems Gmbh Seating system and equipped with such a seating system hall
KR102117424B1 (en) * 2019-11-14 2020-06-01 주식회사 엔시팅 stored type stand for preventing malfunction by obstacles and control method the same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1297285A (en) 1961-05-18 1962-06-29 Ct D Etudes Et D Applic Des Te Transmission device
US3178154A (en) * 1963-01-07 1965-04-13 Safway Steel Products Inc Power actuator mechanism
FR2061884A5 (en) 1969-10-01 1971-06-25 Etd Applic Prod Centre
US3738612A (en) * 1971-05-04 1973-06-12 American Seating Co Advancing and retracting mechanism
US5559411A (en) * 1995-02-07 1996-09-24 Irwin Seating Company Nonfriction power system for extending/retracting a structure
FR2780472A1 (en) 1998-06-24 1999-12-31 Serapid France DEVICE FOR DRIVING LINKS OF A PUSH CHAIN

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1297285A (en) 1961-05-18 1962-06-29 Ct D Etudes Et D Applic Des Te Transmission device
US3178154A (en) * 1963-01-07 1965-04-13 Safway Steel Products Inc Power actuator mechanism
FR2061884A5 (en) 1969-10-01 1971-06-25 Etd Applic Prod Centre
US3738612A (en) * 1971-05-04 1973-06-12 American Seating Co Advancing and retracting mechanism
US5559411A (en) * 1995-02-07 1996-09-24 Irwin Seating Company Nonfriction power system for extending/retracting a structure
FR2780472A1 (en) 1998-06-24 1999-12-31 Serapid France DEVICE FOR DRIVING LINKS OF A PUSH CHAIN

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013068820A1 (en) 2011-11-10 2013-05-16 Cos Nv Telescopic grandstand with automatic folding seats
EP2604776A1 (en) 2011-12-15 2013-06-19 COS nv Telescopic grandstand with multiple telescopic partial grandstands
WO2019087013A1 (en) 2017-11-03 2019-05-09 Cos Nv Telescopic grandstand comprising pressure-distributing elements

Also Published As

Publication number Publication date
EP2345780B1 (en) 2012-08-22
FR2955344B1 (en) 2012-03-23
PL2345780T3 (en) 2013-05-31
ES2398849T3 (en) 2013-03-22
FR2955344A1 (en) 2011-07-22

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