EP2459835B1 - Anti-fall transmission device for a handling door having a flexible curtain - Google Patents

Anti-fall transmission device for a handling door having a flexible curtain Download PDF

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Publication number
EP2459835B1
EP2459835B1 EP10752855.6A EP10752855A EP2459835B1 EP 2459835 B1 EP2459835 B1 EP 2459835B1 EP 10752855 A EP10752855 A EP 10752855A EP 2459835 B1 EP2459835 B1 EP 2459835B1
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EP
European Patent Office
Prior art keywords
transmission device
drop
drive shaft
belt
electric motor
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EP10752855.6A
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German (de)
French (fr)
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EP2459835A2 (en
Inventor
Anne-Sophie Panseri
Romain Simon
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SOFINECO
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SOFINECO
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Priority to PL10752855T priority Critical patent/PL2459835T3/en
Publication of EP2459835A2 publication Critical patent/EP2459835A2/en
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/84—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against dropping
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/003—Anti-dropping devices
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/70—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned outside the roller
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Description

La présente invention est relative à un dispositif de transmission antichute pour une porte de manutention à enroulement ou empilement comportant un rideau souple se déplaçant d'une position de fermeture à une position d'ouverture et inversement.The present invention relates to a fall arrest transmission device for a winding or stacking handling door comprising a flexible curtain moving from a closed position to an open position and vice versa.

On connaît des dispositifs de parachute qui concernent plus particulièrement les portes à rideau métallique. On note que les portes à rideau métallique ont une vitesse de fonctionnement de l'ordre de 0.2 mètre seconde, soit une vitesse de rotation de l'arbre d'entraînement de 16 tours minute.Parachute devices are known which more particularly concern doors with metal curtain. It should be noted that the metal curtain doors have an operating speed of the order of 0.2 meters per second, ie a speed of rotation of the drive shaft of 16 revolutions per minute.

On connait des dispositifs anti chute pour porte de manutention permettant de retenir l'axe d'enroulement ou d'empilement du rideau souple après rupture des éléments d'entrainement.Fall arrest devices for handling doors are known for retaining the axis of winding or stacking of the flexible curtain after breaking of the drive elements.

On connait d'après le brevet européen EP 1 739 274 au nom du demandeur un dispositif de protection antichute comportant une structure montée sur l'arbre d'entraînement et permettant la compression d'un ressort lors de la descente du tablier souple empilable ou enroulable d'une porte de manutention à déplacement vertical.We know from the European patent EP 1 739 274 on behalf of the applicant a fall protection device comprising a structure mounted on the drive shaft and for compressing a spring during the descent of the flexible stackable or rollable deck of a vertical movement handling door.

On sait que l'ensemble des portes rapides disponibles sur le marché sont entrainées par une solution de type Motoréducteurs avec moteur 2 vitesses. Ceci est du à plusieurs raisons :

  • Les moteurs les moins encombrants sont ceux qui tournent le plus vite, ce qui oblige à utiliser des moteurs 3000/155 tr/mn et donc de monter des réducteurs à réduction élevée (environ 1/20). L'équivalent en chaine ou courroie oblige une double réduction mais ceci ne rentre pas dans un encombrement raisonnable par produit ;
  • Les réducteurs apportent aussi un certain nombre de problèmes : fuite d'huile possible, normalisation des fixations d'une marque sur une autre, coût d'achat... Certains d'entre eux intègrent des antichutes mécaniques mais ces produits sont brevetés et leur complexité et coût d'achat sont alors plus élevés.
  • Le nombre d'éléments constituant l'ensemble de la chaine cinématique car son efficacité dépend de toutes les défaillances possibles des autres éléments situés entre lui et l'arbre de rotation. Certains de ces éléments sont surdimensionnés faute de pouvoir s'autocontrôler.
  • La plupart des portes du commerce sont équipées d'un dispositif de fin de course réglé de façon mécanique par le monteur (travail en hauteur).
It is known that all of the fast doors available on the market are driven by a geared type solution with 2-speed motor. This is due to several reasons:
  • The least bulky engines are those that rotate the fastest, which requires the use of motors 3000/155 rpm and therefore mount reducers high reduction (about 1/20). The chain equivalent or belt requires a double reduction but this does not fit into a reasonable size per product;
  • Gearboxes also bring a certain number of problems: possible oil leakage, normalization of fasteners from one brand to another, purchase cost ... Some of them include mechanical fall arrest systems but these products are patented and their complexity and cost of purchase are then higher.
  • The number of elements constituting the entire kinematic chain because its effectiveness depends on all the possible failures of the other elements located between it and the rotation shaft. Some of these elements are oversized for lack of self-control.
  • Most commercial doors are equipped with a limit switch mechanically adjusted by the fitter (working at height).

On connaît d'après le document GB 2 188 673 A un dispositif de transmission antichute selon le préambule de la revendication 1.We know from the document GB 2,188,673 A a fall arrest device according to the preamble of claim 1.

Le dispositif de transmission antichute suivant la présente invention a pour obiet de résoudre l'ensemble des problèmes énumérés ci-dessus en superposant deux modes de réduction de vitesse entre le moteur ou le motoréducteur électrique et l'arbre d'entraînement, à savoir :

  • Pour le premier mode de réduction par l'intermédiaire d'un variateur électrique ou électronique commandant le moteur ou le motoréducteur électrique
  • Et pour le deuxième mode de réduction par l'intermédiaire de la réduction mécanique obtenue par la différence de diamètre des moyens de transmission disposés entre le moteur ou le motoréducteur et l'arbre d'entraînement.
The fall arrest transmission device according to the present invention aims to solve all of the problems enumerated above by superimposing two speed reduction modes between the motor or the electric gear motor and the drive shaft, namely:
  • For the first mode of reduction via an electric or electronic variator controlling the motor or the electric geared motor
  • And for the second reduction mode by means of the mechanical reduction obtained by the difference in diameter of the transmission means arranged between the motor or geared motor and the drive shaft.

Le dispositif de transmission antichute pour porte de manutention à rideau souple venant s'empiler ou s'enrouler autour d'un arbre d'entrainement, lors de ses déplacements entre une position d'ouverture et une position de fermeture et inversement, suivant la présente invention, comporte d'une part un moteur ou un motoréducteur électrique indépendant fixé suivant un axe de rotation qui est décalé et parallèle à celui de l'arbre d'entrainement, d'une autre part un dispositif de protection antichute, permettant de relier le moteur ou le moto réducteur à l'arbre d'entrainement et de bloquer la chute accidentelle du tablier souple.The fall-arresting device for a flexible curtain handling door that is stacked or wound around a drive shaft, when it moves between an open position and a closed position, and vice versa, according to the present invention. invention, comprises on the one hand an independent motor or electric geared motor fixed along an axis of rotation which is offset and parallel to that of the drive shaft, on the other hand a fall protection device, for connecting the motor or gear motor to the drive shaft and to block the accidental fall of the flexible apron.

Le dispositif de transmission antichute suivant la présente invention comporte des moyens de transmission constitués de poulies de différents diamètres reliées entre elles par une courroie et permettant l'entrainement en rotation de l'arbre d'entrainement par le moteur ou le motoréducteur électrique, des moyens de contrôle électromécaniques de la tension de la courroie, et des moyens de freinage permettant d'arrêter la rotation de l'arbre d'entrainement.The fall arrest transmission device according to the present invention comprises transmission means consisting of pulleys of different diameters connected to one another by a belt and allowing the drive shaft to be rotated by the motor or the electric gear motor, means electromechanical control of the tension of the belt, and braking means for stopping the rotation of the drive shaft.

Le dispositif de transmission antichute suivant la présente invention comporte un moteur ou un motoréducteur électrique qui est fixé à proximité de l'arbre d'entrainement de manière que son axe de sortie soit disposé suivant une direction qui est parallèle à celle de l'axe de sortie dudit arbre d'entrainement.The fall-arresting device according to the present invention comprises an electric motor or geared motor which is fixed close to the drive shaft so that its output axis is disposed in a direction which is parallel to that of the axis of rotation. output of said drive shaft.

Le dispositif de transmission antichute suivant la présente invention comporte un axe de sortie du moteur ou du moto réducteur électrique qui est solidaire d'une poulie d'entrainement qui coopère avec une courroie permettant de relier à ladite première poulie une autre poulie de plus grand diamètre solidaire de l'axe de sortie de l'arbre d'entraînement.The fall-arresting device according to the present invention comprises an output shaft of the motor or electric geared motor which is secured to a drive pulley which cooperates with a belt for connecting to said first pulley another larger diameter pulley. integral with the output shaft of the drive shaft.

Le dispositif de transmission antichute suivant présente invention comporte dans le prolongement de l'axe de sortie du moteur ou du moto réducteur électrique un capteur relié à un variateur électrique afin de gérer les arrêts et la vitesse de déplacement du rideau souple par la mesure en continue de la position mécanique dudit rideau souple.The following fall arrest transmission device comprises, in the extension of the output shaft of the motor or of the electric gear motor, a sensor connected to an electric variator in order to manage the stops and the speed of movement of the flexible curtain by the continuous measurement. the mechanical position of said flexible curtain.

Le dispositif de transmission antichute suivant la présente invention comporte un frein à ruban venant en contact avec la poulie montée sur l'axe de sortie de l'arbre d'entraînement.The fall-arresting device according to the present invention comprises a ribbon brake coming into contact with the pulley mounted on the output shaft of the drive shaft.

Le dispositif de transmission antichute suivant la présente invention comporte un capteur de tension permettant un contrôle électromécanique de la tension de la courroie reliant les poulies.The fall arrest transmission device according to the present invention comprises a voltage sensor allowing electromechanical control of the tension of the belt connecting the pulleys.

Le dispositif de transmission antichute suivant la présente invention comporte un capteur de tension qui est constitué d'un galet tendeur guidé en rotation dans un support, tandis que l'axe de rotation du galet est mis en pression soit directement soit indirectement par l'intermédiaire de moyens élastiques assurant l'antichute du rideau souple en pilotant et bloquant le frein à ruban en cas de rupture de la courroie ou de mauvais réglage de la tension de cette dernière.The fall arrest transmission device according to the present invention comprises a tension sensor which consists of a tensioner roller guided in rotation in a support, while the axis of rotation of the roller is pressurized either directly or indirectly via resilient means providing the fall protection of the flexible curtain by controlling and blocking the ribbon brake in case of rupture of the belt or incorrect adjustment of the tension of the latter.

Le dispositif de transmission antichute suivant la présente invention comporte des moyens élastiques du capteur de tension qui sont constitués d'un ressort venant en contact direct avec l'axe de rotation du galet.The fall arrest transmission device according to the present invention comprises elastic means of the voltage sensor which consist of a spring coming into direct contact with the axis of rotation of the roller.

Le dispositif de transmission antichute suivant la présente invention comporte des moyens élastiques du capteur de tension qui sont constitués d'un ressort venant en contact d'un bras de levier, ledit bras de levier pivotant autour d'un axe et portant à l'opposé dudit axe le galet libre en rotation autour de son axe de rotation.The fall arrest transmission device according to the present invention comprises elastic means of the tension sensor which consist of a spring coming into contact with a lever arm, said lever arm pivoting about an axis and carrying the opposite of said axis the free roller in rotation about its axis of rotation.

Le dispositif de transmission antichute suivant la présente invention comporte des moyens élastiques du capteur de tension qui sont constitués d'un support déformable élastiquement portant à l'une de ses extrémités le galet libre en rotation autour de son axe de rotation.The fall arrest transmission device according to the present invention comprises elastic means of the voltage sensor which consist of a resiliently deformable support carrying at one of its ends the free roller in rotation about its axis of rotation.

Le dispositif de transmission antichute suivant la présente invention comporte un dispositif électronique permettant de contrôler en continu l'usure de la courroie de transmission lorsque cette dernière possède dans son épaisseur ou en surface une ou des armature(s) métallique(s) continue(s).The fall-arresting device according to the present invention comprises an electronic device making it possible to continuously check the wear of the transmission belt when the latter has in its thickness or on the surface one or more continuous metal reinforcement (s). ).

Le dispositif de transmission antichute suivant la présente invention comporte une armature métallique continue qui est constituée de fils métalliques ou brins métalliques ou nappe de fils métalliques continus.The fall-arresting device according to the present invention comprises a continuous metal reinforcement which consists of metal wires or wire strands or plies of continuous metal wires.

Le dispositif de transmission antichute suivant la présente invention comporte un dispositif électronique comportant des moyens de détection en continu de la rupture d'une courroie d'entrainement à armature métallique comprenant des moyens à mesurer en continu l'impédance de l'armature métallique de la courroie, et des moyens de bloquer l'arbre d'entrainement après rupture de l'armature métallique après un changement d'impédance ou de reluctance de ladite armature métallique constituant le signal de rupture de la courroie .The fall-arresting device according to the present invention comprises an electronic device comprising means for continuously detecting the breaking of a metal-reinforced drive belt comprising means for continuously measuring the impedance of the metal reinforcement. of the belt, and means for locking the drive shaft after breaking the reinforcement metal after a change of impedance or reluctance of said metal armature constituting the rupture signal of the belt.

La description qui va suivre en regard des dessins annexés, donnés à titre d'exemples non limitatifs, permettra de mieux comprendre l'invention, les caractéristiques qu'elle présente et les avantages qu'elle est susceptible de procurer :

  • Figure 1 est une vue en perspective illustrant un exemple de porte de manutention à enroulement comportant un dispositif de transmission antichute suivant la présente invention.
  • Figures 2 à 4 sont des vues montrant les différents composants constituant le dispositif de transmission antichute suivant la présente invention.
  • Figure 5 est une vue en perspective représentant le dispositif de transmission antichute pourvu d'un dispositif électronique de contrôle de l'usure de la courroie et d'un dispositif électromécanique de tension de courroie.
  • Figure 6 est une vue en perspective illustrant une première variante du dispositif électromécanique de tension de courroie du dispositif de transmission antichute suivant la présente invention.
  • Figure 7 est une vue en perspective montrant une seconde variante du dispositif électromécanique de tension de courroie du dispositif de transmission antichute suivant la présente invention.
The following description with reference to the accompanying drawings, given by way of non-limiting examples, will provide a better understanding of the invention, the characteristics that it presents and the advantages that it is likely to provide:
  • Figure 1 is a perspective view illustrating an example of a roll-up handling door having a fall-arresting device according to the present invention.
  • Figures 2 to 4 are views showing the various components constituting the fall arrest device according to the present invention.
  • Figure 5 is a perspective view showing the fall-arresting device provided with an electronic device for monitoring the wear of the belt and an electromechanical belt tensioning device.
  • Figure 6 is a perspective view illustrating a first variant of the electromechanical belt tensioning device of the fall arrest transmission device according to the present invention.
  • Figure 7 is a perspective view showing a second variant of the electromechanical belt tensioning device of the fall arrest transmission device according to the present invention.

On a montré en figure 1 une porte de manutention 1 comportant deux montants latéraux 2 et 3 qui sont généralement fixés contre les parois verticales d'une ouverture à obstruer.We have shown in figure 1 a handling door 1 having two lateral uprights 2 and 3 which are generally fixed against the vertical walls of an opening to be obstructed.

Les montants opposés et verticaux 2 et 3 sont reliés entre eux, dans la partie supérieure de la porte de manutention 1, par un arbre ou tambour d'entraînement 4 permettant le déplacement d'un tablier souple 5 entre une position d'ouverture et une position de fermeture.The opposite and vertical uprights 2 and 3 are connected together, in the upper part of the handling door 1, by a drive shaft or drum 4 allowing the movement of a flexible apron 5 between an open position and a closing position.

On note que le tablier souple comporte généralement des fourreaux dans lesquels sont introduites des traverses horizontales de renfort dont les extrémités coopèrent avec un dispositif de guidage, non représenté, formant glissière, prévu sur chaque montant 2 et 3.It should be noted that the flexible apron generally comprises sleeves into which horizontal reinforcing crosspieces are inserted, the ends of which cooperate with a guiding device, not shown, forming a slide, provided on each upright 2 and 3.

Chaque dispositif de guidage peut être réalisé par deux coulisses opposées non représentées qui sont constituées, par exemple, soit par deux sangles tendues et souples, soit par deux lames semi-rigides ou rigides disposées l'une en face de l'autre pour constituer sur chaque montant 2 et 3, et sur toute la hauteur de ces derniers, une glissière pour le guidage du rideau ou tablier souple 5.Each guiding device may be made by two opposite unrepresented slides which consist, for example, either of two tensioned and flexible straps, or of two semi-rigid or rigid blades arranged facing each other to form on each amount 2 and 3, and over the entire height of the latter, a slide for guiding the curtain or flexible apron 5.

La porte de manutention 1 comporte un dispositif de transmission antichute 6 comprenant d'une part un moteur ou un moto réducteur électrique 7 indépendant fixé dans la partie supérieure et interne de l'un des montants 2 ,3 suivant un axe décalé et parallèle à celui de l'axe de rotation de l'arbre d'entrainement 4 et d'autre part avec un dispositif de protection antichute 8, fixé dans la partie supérieure et externe de l'un des montants 2, 3 permettant de relier le moteur ou le moto réducteur électrique 7 à l'arbre d'entrainement 4 et de bloquer la chute accidentelle du tablier souple 5 empilable ou enroulable de la porte de manutention 1 à déplacement vertical.The handling door 1 comprises a fall arrest device 6 comprising on the one hand an independent electric motor or motor reducer 7 fixed in the upper and inner part of one of the uprights 2, 3 along an axis offset and parallel to that of the axis of rotation of the drive shaft 4 and on the other hand with a fall protection device 8 fixed in the upper and outer part of one of the uprights 2, 3 for connecting the motor or the electric geared motor 7 to the drive shaft 4 and to block the accidental fall of the flexible deck 5 stackable or rollable the handling door 1 with vertical displacement.

On a représenté en figures 2 à 4 le dispositif de transmission antichute 6 suivant la présente invention dont le dispositif de protection antichute 8 est monté directement sur l'axe de sortie 9 de l'arbre d'entraînement 4 de la porte de manutention 1.We have shown in Figures 2 to 4 the fall arrest device 6 according to the present invention, the fall protection device 8 of which is mounted directly on the output shaft 9 of the drive shaft 4 of the handling door 1.

Le dispositif de transmission antichute 6 comporte un moteur ou un motoréducteur 7 qui est disposé entre les montants 2, 3 de la porte de manutention 1 et plus particulièrement sur la face interne d'un flasque 20 prolongeant par exemple la partie supérieure du montant 2.The fall arrest device 6 comprises a motor or a geared motor 7 which is arranged between the uprights 2, 3 of the handling door 1 and more particularly on the internal face of a flange 20 extending for example the upper part of the upright 2.

Le moteur ou le motoréducteur 7 est fixé sur le flasque 20 à proximité de l'arbre d'entrainement 4 de manière que son axe de sortie 10 soit disposé suivant une direction qui est parallèle à celle de l'axe de sortie 9 dudit arbre d'entrainement.The motor or the geared motor 7 is fixed on the flange 20 near the drive shaft 4 so that its output axis 10 is disposed in a direction which is parallel to that of the output shaft 9 of said drive shaft. 'training.

Le flasque 20 prolongeant la partie supérieure du montant 2 est percé d'un trou pour le passage de l'axe de sortie 10 afin que ce dernier se trouve suivant une direction décalée et parallèle à celle de l'axe de sortie 9 de l'arbre d'entrainement 4.The flange 20 extending the upper part of the upright 2 is pierced with a hole for the passage of the output shaft 10 so that the latter is in a direction offset and parallel to that of the output axis 9 of the drive shaft 4.

L'axe de sortie 10 du moteur ou du motoréducteur électrique 7 est solidaire du coté de la face externe du flasque 20 du montant 2 d'une poulie d'entrainement 11 qui coopère avec une courroie 12 permettant de relier à ladite première poulie 11 une autre poulie 13 de plus grand diamètre solidaire de l'axe de sortie 9 de l'arbre d'entraînement 4. Lors de l'emploi d'un motoréducteur électrique les poulies 11 et 13 peuvent être d'un même diamètre car la réduction de vitesse est obtenue par ledit motoréducteur.The output shaft 10 of the motor or of the electric geared motor 7 is integral with the side of the outer face of the flange 20 of the upright 2 of a drive pulley 11 which cooperates with a belt 12 making it possible to connect to said first pulley 11 a another pulley 13 of larger diameter integral with the output shaft 9 of the drive shaft 4. When using an electric geared motor pulleys 11 and 13 may be of the same diameter because the reduction of speed is obtained by said geared motor.

Le moteur ou le motoréducteur 7 est relié à un variateur électrique ou électronique permettant d'agir sur la vitesse de rotation dudit moteur ou motoréducteur.The motor or geared motor 7 is connected to an electric or electronic variator to act on the speed of rotation of said motor or geared motor.

Ainsi, le dispositif de transmission antichute 6 permet des réductions de vitesse entre le moteur ou le motoréducteur 7 et l'arbre d'entraînement 4 en deux temps, à savoir un premier temps par l'intermédiaire du variateur électrique commandant le moteur ou le motoréducteur 7 puis dans un deuxième temps par l'intermédiaire de la réduction mécanique obtenue par la différence de diamètre entre les poulies 11 et 13 reliées par la courroie 12.Thus, the fall arrest device 6 allows speed reductions between the motor or the geared motor 7 and the drive shaft 4 in two stages, namely a first step via the electric drive controlling the motor or geared motor. 7 and then in a second time via the mechanical reduction obtained by the difference in diameter between the pulleys 11 and 13 connected by the belt 12.

La réduction mécanique peut être réalisée par tout autre moyen souple de type par exemple pignon et chaine tout en conservant les axes de sortie du moteur ou du motoréducteur 7 et de l'arbre d'entrainement 4 parallèles.The mechanical reduction can be achieved by any other flexible means such as pinion and chain while retaining the output axes of the motor or the geared motor 7 and drive shaft 4 parallel.

Le dispositif de protection antichute 8 du dispositif de transmission antichute 6 comporte dans le prolongement de l'axe de sortie 10 du moteur ou du motoréducteur 7 un capteur 14 afin de gérer les arrêts et la vitesse de déplacement du rideau souple 5 par la mesure en continu de la position mécanique dudit rideau souple.The fall protection device 8 of the fall arrest device 6 comprises, in the extension of the output shaft 10 of the motor or of the geared motor 7, a sensor 14 in order to manage the stops and the speed of movement of the flexible curtain 5 by the measurement in continuous mechanical position of said flexible curtain.

Le dispositif de protection antichute 8 du dispositif de transmission antichute 6 comporte un frein à ruban 15 venant en contact avec la poulie 13 de l'arbre d'entraînement 4 et plus particulièrement sur une piste 13a de ladite poulie 13 dédiée à cet effet.The fall protection device 8 of fall transmission device 6 comprises a band brake 15 engaging with the pulley 13 of the drive shaft 4 and more particularly to a track 13a of said sheave 13 dedicated to this purpose.

Le frein à ruban 15 assure soit le freinage dit de parking lors de l'arrêt du rideau souple 5 soit le freinage dynamique exceptionnel d'urgence en cas de rupture de la chaine cinématique constituée par les poulies 11, 13 et la courroie 12 ou tout autre moyen d'entrainement.The ribbon brake 15 ensures either the so-called parking braking when the flexible curtain 5 is stopped or the exceptional dynamic emergency braking in case of rupture of the kinematic chain consisting of the pulleys 11, 13 and the belt 12 or any other means of training.

Le frein à ruban 15 est du type électrique à manque de courant au moyen d'une ventouse électrique 15c. Le frein à ruban 15 est constitué d'un ruban ouvert 15a venant autour de la piste 13a de la poulie 13. Les extrémités du ruban 15a sont reliées par un dispositif de fermeture 15b chargé élastiquement.The ribbon brake 15 is of the electric type with no current by means of an electric suction cup 15c. The brake band 15 consists of an open band 15 has come around the track 13 a of the pulley 13. The ribbon ends 15a are connected by a closing device 15 b elastically loaded.

Le dispositif de protection antichute 8 est constitué d'un capteur de tension 16 qui permet un contrôle électromécanique de la tension de la courroie 12 reliant les poulies 11 et 13. Le capteur de tension 16 assure la fonction d'antichute en pilotant et bloquant le frein à ruban 15 en cas de rupture de la courroie 12 ou de mauvais réglage de la tension.The fall protection device 8 consists of a voltage sensor 16 which allows an electromechanical control of the tension of the belt 12 connecting the pulleys 11 and 13. The voltage sensor 16 provides the fall arrest function by controlling and blocking the ribbon brake 15 in case of rupture of the belt 12 or incorrect adjustment of the tension.

Le capteur de tension 16 est constitué d'un galet tendeur 16a guidé en rotation dans un support 16b fixé sur la face externe du flasque 20 du montant 2. L'axe de rotation 16c du galet 16a est mis en pression soit directement soit indirectement par l'intermédiaire de moyens élastiques constitués par exemple :

  • d'un ressort 16d venant en contact direct avec l'axe de rotation 16c du galet 16a (Figures 4, 5) ;
  • d'un ressort 16d ou d'un contrepoids coopérant avec un bras de levier 16g pivotant autour d'un axe 16k et portant à l'opposé dudit axe 16k le galet 16a libre en rotation autour de son axe de rotation 16c (Figure 6) ;
  • d'un support déformable élastiquement 16f portant à l'une de ses extrémités le galet 16a libre en rotation autour de son axe de rotation 16c (Figure 7).
The voltage sensor 16 comprises a tensioning roller 16 is guided in rotation in a carrier 16 b fixed to the external face of the flange 20 of mullion 2. The rotational axis 16c of the roller 16a is pressurized either directly or indirectly by means of elastic means constituted for example:
  • a spring 16 to come in direct contact with the rotation axis 16c of the roller 16 has ( Figures 4 , 5 );
  • a spring 16 d or a counterweight cooperating with a lever arm 16g pivoting about an axis 16 k and carrying away from said axis 16 k the roller 16 has free rotation about its axis of rotation 16 c ( Figure 6 );
  • an elastically deformable support 16 f carrying at one of its ends the roller 16 a free to rotate about its axis of rotation 16 c ( Figure 7 ).

Ainsi, la rupture de la courroie 12 provoque le déplacement de l'axe de rotation 16c du galet 16a soit sous pression du ressort 16d soit par déformation du cadre élastique 16f. Le déplacement de l'axe de rotation 16c ou du cadre élastique 16f est détecté par un dispositif électromécanique ou électronique 16m signalant la rupture de la courroie 12 afin de piloter le frein à ruban 15 pour le blocage en rotation de l'arbre d'entrainement 4 de la porte de manutention 1.Thus, the breakage of the belt 12 causes the displacement of the rotation axis 16c of the roller 16a is pressurized by spring 16 d is deformation of the elastic part 16 f. The displacement of the axis of rotation 16 c or the elastic frame 16f is detected by an electromechanical or electronic device 16 m indicating the breakage of the belt 12 in order to control the band brake 15 for blocking in rotation of the shaft drive 4 of the handling door 1.

On a montré en figure 5 un dispositif électronique 17 permettant de contrôler en continu l'usure de la courroie de transmission 12 lorsque cette dernière possède dans son épaisseur ou en surface une ou des armature(s)métallique(s) continue(s) constituée(s) par exemple de fils métalliques ou brins métalliques ou nappes de fils métalliques continus.We have shown in figure 5 an electronic device 17 for continuously monitoring the wear of the drive belt 12 when the latter in its thickness or on the surface one or more continuous metal reinforcement (s) constituted for example by metal wires or wire strands or plies of continuous metal wires.

Le dispositif électronique 17 permet par l'intermédiaire d'un détecteur de vérifier en permanence la continuité de ou des fils ou brins ou des armatures métalliques contenues dans la courroie 12.The electronic device 17 allows, via a detector, to permanently check the continuity of the wires or strands or metal reinforcements contained in the belt 12.

En cas d'usure ou de rupture de cette ou ces armature(s) le dispositif électronique 17 pilote via l'armoire électrique le frein à ruban 15 pour bloquer en rotation l'arbre d'entrainement 4 de la porte de manutention 1 et donc arrêter la descente du rideau souple 5.In case of wear or breakage of this or these armature (s) the electronic device 17 driver via the control cabinet the ribbon brake 15 to lock in rotation the drive shaft 4 of the handling door 1 and therefore stop the descent of the flexible curtain 5.

Le dispositif électronique 17 peut être basé par exemple sur la mesure de l'impédance de l'armature métallique formant comme une bobine. En cas de rupture de l'armature métallique, le circuit magnétique est ouvert indiquant un changement d'impédance ou de reluctance de l'armature métallique constituant le signal de rupture de la courroie 12.The electronic device 17 may be based for example on measuring the impedance of the metal armature forming a coil. In case of breakage of the metal armature, the magnetic circuit is open indicating a change in impedance or reluctance of the metal armature constituting the breaking signal of the belt 12.

On note que l'armoire électrique de la porte de manutention 1 commande une unité de stockage d'énergie électrique (batterie accumulateur) permettant en cas de coupure électrique de redistribuer cette énergie pour débloquer le rideau souple 5 de ladite porte.It is noted that the electrical cabinet of the handling door 1 controls an electrical energy storage unit (battery accumulator) allowing in case of power failure to redistribute this energy to unlock the flexible curtain 5 of said door.

Claims (13)

  1. Anti-drop transmission device for a service door (1) with a flexible curtain (5) which is folded or rolled around a drive shaft (4) when it moves between an open position and a closed position, and vice versa, said anti-drop transmission device (6) having, firstly, an independent electric motor (7) fixed with an axis of rotation which is offset and parallel with respect to that of the drive shaft (4) and, secondly, an anti-drop protection device (8) allowing the electric motor (7) to be connected to the drive shaft (4) and the accidental dropping-down of the flexible apron (5) to be blocked, characterized in that, thirdly, it has means for reducing the speed between the electric motor (7) and the drive shaft (4) in two steps, namely a first step by means of an electric or electronic variable-speed drive which controls the electric motor (7), and then in a second step by means of the mechanical reduction of the anti-drop protection device (8) comprising transmission means constituted by the difference in diameter between a pulley (11) integrally connected to said electric motor (7) and a pulley (13) integrally connected to the drive shaft (4) and by a belt (12) connecting said pulleys (11, 13), electromechanical means (16) for checking the tension of the belt (12), brake means (15) enabling the rotation of the drive shaft (4) to be stopped.
  2. Anti-drop transmission device according to Claim 1, characterized in that the electric motor (7) is fixed in proximity to the drive shaft (4) in such a way that its output axle (10) is arranged in a direction which is parallel to the output axle (9) of said drive shaft.
  3. Anti-drop transmission device according to Claim 2, characterized in that the output axle (10) of the electric motor (7) is integrally connected to a drive pulley (11) which interacts with a belt (12) which enables said first pulley (11) to be connected to another pulley (13) which may or may not have a larger diameter and is integrally connected to the output axle (9) of the drive shaft (4).
  4. Anti-drop transmission device according to Claim 1, characterized in that the anti-drop protection device (8) comprises, in the extension of the output axle (10) of the electric motor (7), a sensor (14) connected to an electric variable-speed drive so as to manage the speed with which the flexible curtain (5) is moving and when it is stopped by continuously measuring the mechanical position of said flexible curtain.
  5. Anti-drop transmission device according to Claim 1, characterized in that the anti-drop protection device (8) comprises a band brake (15) which comes into contact with the pulley (13) mounted on the output axle (9) of the drive shaft (4).
  6. Anti-drop transmission device according to Claim 1, characterized in that the anti-drop protection device (8) comprises a tension sensor (16) enabling the tension of the belt (12) connecting the pulleys (11 and 13) to be checked electromechanically.
  7. Anti-drop transmission device according to Claim 4, characterized in that the tension sensor (16) consists of a tensioning roller (16a) guided in rotation in a support (16b), whilst pressure is applied to the spindle (16c) of the roller (16a) either directly or indirectly by resilient means ensuring that the flexible curtain (5) does not drop down by pilot-controlling and locking the band brake (15) in the event of the belt (12) breaking or the tension of said belt being set wrongly.
  8. Anti-drop transmission device according to Claim 7, characterized in that the resilient means of the tension sensor (16) consist of a spring (16d) which comes into direct contact with the spindle (16c) of the roller (16a).
  9. Anti-drop transmission device according to Claim 7, characterized in that the resilient means of the tension sensor (16) consist of a spring (16d) which comes into contact with a lever arm (16g), said lever arm (16g) pivoting about an axle (16k) and bearing, at the opposite end from said axle (16k), the roller (16a) which is free to rotate about its spindle (16c).
  10. Anti-drop transmission device according to Claim 7, characterized in that the resilient means of the tension sensor (16) consist of a resiliently deformable support (16f) bearing at one of its ends the roller (16a) which is free to rotate about its spindle (16c).
  11. Anti-drop transmission device according to Claim 1, characterized in that the anti-drop protection device (8) comprises an electronic device (17) enabling the wear of the transmission belt (12) to be continuously checked when the latter has one or more continuous metal armatures in its thickness or surface.
  12. Anti-drop transmission device according to Claim 11, characterized in that the continuous metal armature consists of continuous metal wires or metal threads or a sheet of metal wires.
  13. Anti-drop transmission device according to Claim 11, characterized in that the electronic device (17) of the anti-drop protection device (8) comprises means for continuously measuring the impedance of the metal armature of the belt (12) and indicating a change in the impedance or reluctance of said metal armature which forms the signal that the belt (12) has broken, and means for locking the drive shaft (4) after the metal armature of the belt (12) has broken.
EP10752855.6A 2009-07-30 2010-07-29 Anti-fall transmission device for a handling door having a flexible curtain Active EP2459835B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10752855T PL2459835T3 (en) 2009-07-30 2010-07-29 Anti-fall transmission device for a handling door having a flexible curtain

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0903747A FR2948724B1 (en) 2009-07-30 2009-07-30 FALLING TRANSMISSION DEVICE FOR A FLEXIBLE CURTAIN HANDLING DOOR
PCT/FR2010/000554 WO2011015725A2 (en) 2009-07-30 2010-07-29 Anti-fall transmission device for a handling door having a flexible curtain

Publications (2)

Publication Number Publication Date
EP2459835A2 EP2459835A2 (en) 2012-06-06
EP2459835B1 true EP2459835B1 (en) 2017-01-25

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EP10752855.6A Active EP2459835B1 (en) 2009-07-30 2010-07-29 Anti-fall transmission device for a handling door having a flexible curtain

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US (1) US9217284B2 (en)
EP (1) EP2459835B1 (en)
JP (1) JP2013500413A (en)
CN (1) CN102597410B (en)
AU (1) AU2010280602B9 (en)
BR (1) BR112012001756B1 (en)
CA (1) CA2768941C (en)
FR (1) FR2948724B1 (en)
MA (1) MA33453B1 (en)
MX (1) MX2012001349A (en)
PL (1) PL2459835T3 (en)
RU (1) RU2516132C2 (en)
WO (1) WO2011015725A2 (en)

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Also Published As

Publication number Publication date
AU2010280602B2 (en) 2015-05-28
AU2010280602B9 (en) 2015-06-18
JP2013500413A (en) 2013-01-07
EP2459835A2 (en) 2012-06-06
RU2012107485A (en) 2013-09-10
PL2459835T3 (en) 2017-07-31
AU2010280602A1 (en) 2012-03-01
US9217284B2 (en) 2015-12-22
BR112012001756B1 (en) 2019-04-30
US20120145335A1 (en) 2012-06-14
RU2516132C2 (en) 2014-05-20
CA2768941A1 (en) 2011-02-10
BR112012001756A2 (en) 2017-06-20
WO2011015725A2 (en) 2011-02-10
MA33453B1 (en) 2012-07-03
CN102597410A (en) 2012-07-18
CA2768941C (en) 2016-01-26
MX2012001349A (en) 2012-06-27
FR2948724A1 (en) 2011-02-04
WO2011015725A3 (en) 2011-03-31
CN102597410B (en) 2015-11-25
FR2948724B1 (en) 2017-10-27

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