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EP2459835A2 - 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

Info

Publication number
EP2459835A2
EP2459835A2 EP10752855A EP10752855A EP2459835A2 EP 2459835 A2 EP2459835 A2 EP 2459835A2 EP 10752855 A EP10752855 A EP 10752855A EP 10752855 A EP10752855 A EP 10752855A EP 2459835 A2 EP2459835 A2 EP 2459835A2
Authority
EP
European Patent Office
Prior art keywords
motor
fall
drive shaft
belt
fall arrest
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
EP10752855A
Other languages
German (de)
French (fr)
Other versions
EP2459835B1 (en
Inventor
Anne-Sophie Panseri
Romain Simon
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.)
SOFINECO
Original Assignee
SOFINECO
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 SOFINECO filed Critical SOFINECO
Priority to PL10752855T priority Critical patent/PL2459835T3/en
Publication of EP2459835A2 publication Critical patent/EP2459835A2/en
Application granted granted Critical
Publication of EP2459835B1 publication Critical patent/EP2459835B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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 ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • 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

Definitions

  • 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.
  • Parachute devices 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.
  • Fall arrest devices for handling doors are known for retaining the axis of winding or stacking of the flexible curtain after rupture of the drive elements.
  • the purpose of the fall-arresting device according to the present invention is to solve all the problems enumerated above by superimposing two speed reduction modes between the motor or the electric gear motor and the drive shaft, namely:
  • 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.
  • the fall-arresting device comprises transmission means consisting of pulleys of different diameters or not connected to each other by a belt and allowing the drive shaft to be rotated by the motor or the electric gear motor, electromechanical control means for the tension of the belt, and braking means for stopping the rotation of the drive shaft.
  • the fall-arresting device 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.
  • the fall-arresting device 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. or not secured to the output shaft of the drive shaft.
  • 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.
  • the fall-arresting device comprises a ribbon brake coming into contact with the pulley mounted on the output shaft of the drive shaft.
  • 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.
  • the fall arrest transmission device 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.
  • the fall arrest transmission device comprises elastic means of the voltage sensor which consist of a spring coming into direct contact with the axis of rotation of the roller.
  • the fall arrest transmission device 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.
  • the fall arrest transmission device 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.
  • the fall-arresting device 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). ).
  • the fall-arresting device comprises a continuous metal reinforcement which consists of metal wires or wire strands or plies of continuous metal wires.
  • the present invention also relates to a method for safely driving a drive shaft of a flexible curtain handling door consisting of speed reductions between the motor or the electric gear motor and the two-step drive shaft. , ie a first time via an electric or electronic drive controlling the motor or the electric geared motor and then in a second time through the mechanical reduction obtained by the difference in diameter between the pulleys connected by the belt the fall protection device.
  • the present invention also relates to a method for continuously detecting the breaking of a metal frame drive belt of a fall protection device for a handling door comprising an electronic device consisting of continuously measuring the impedance of the metal frame of the belt, to lock the drive shaft after breaking the frame metal indicating a change in impedance or reluctance of said metal armature constituting the breaking signal of the belt.
  • Figure 1 is a perspective view illustrating an example of a winding handling door having a fall arrest device according to the present invention.
  • FIGS 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 arrest 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 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.
  • FIG. 1 shows a handling door 1 comprising two lateral uprights 2 and 3 which are generally fixed against the vertical walls of an opening to be obstructed.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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
  • FIGS. 2 to 4 show the fall-protection transmission 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • pulleys 11 and 13 may be of the same diameter because the reduction of speed is obtained by said geared motor.
  • 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.
  • 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.
  • 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 the drive shaft 4 parallel.
  • 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.
  • the fall protection device 8 of the fall arrest device 6 comprises a ribbon brake 15 coming into contact with the pulley 13 of the drive shaft 4 and more particularly on a track 13a of said pulley 13 dedicated for this purpose.
  • the ribbon brake 15 provides either the so-called parking braking when the flexible curtain 5 is stopped or the exceptional dynamic emergency braking in case of breakage of the drive train constituted by the pulleys 11, 13 and the belt 12 or any other means of training.
  • the ribbon brake 15 is of the electric type with no current by means of an electric suction cup 15c.
  • the ribbon brake 15 is constituted by an open ribbon 15a coming around the track 13a of the pulley 13.
  • the ends of the ribbon 15a are connected by a resiliently loaded closure device 15b.
  • 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.
  • the voltage sensor 16 consists of a tensioner roller 16a guided in rotation in a support 16b fixed on the outer face of the flange 20 of the upright 2.
  • the axis of rotation 16c of the roller 16a is pressurized either directly or indirectly by by means of elastic means constituted for example:
  • the rupture of the belt 12 causes the displacement of the axis of rotation 16c of the roller 16a is under pressure of the spring 16d or by deformation of the elastic frame 16f.
  • the displacement of the axis of rotation 16c_ or of the elastic frame 16f is detected by an electromechanical or electronic device 16rn signaling the rupture of the belt 12 in order to control the ribbon brake 15 for locking in rotation of the drive shaft 4 of the handling door 1.
  • FIG. 5 shows an electronic device 17 making it possible to continuously monitor the wear of the transmission belt 12 when the latter has in one ' n thickness or surface one or more metal frame (s) continuous (s) constituted for example of metal son or wire strands or plies of continuous metal son.
  • s metal frame
  • s continuous
  • 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.
  • 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.
  • 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.
  • an electrical energy storage unit battery accumulator

Landscapes

  • 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)

Abstract

The invention relates to an anti-fall transmission device for a handling door (1) having a flexible curtain (5) to be stacked or rolled about a drive shaft (4) during the movements thereof between an open and a closed position, comprising a separate electric motor or gear motor (7) attached along a rotational axis which is offset and parallel to that of the drive shaft (4), as a protective anti-fall device (8) for connecting the motor or the gear motor (7) to the drive shaft (4) and for preventing the flexible apron (5) from accidentally falling.

Description

DISPOSITIF DE TRANSMISSION ANTICHUTE  FALLING TRANSMISSION DEVICE

POUR PORTE DE MANUTENTION A RIDEAU SOUPLE.  FOR HANDLING DOOR WITH A FLEXIBLE CURTAIN.

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'entraînement.  Fall arrest devices for handling doors are known for retaining the axis of winding or stacking of the flexible curtain after rupture 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.  According to the European patent EP 1 739 274 in the name 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 deck stackable or rollable 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 :  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:

• 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 ;  • The least bulky engines are the fastest ones, which makes it necessary to use 3000/155 rpm motors and thus to mount reducers with 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;

• 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.  • Reducers also bring a number of problems: possible oil leakage, standardization of fixations from one brand to another, purchase cost ... Some of them incorporate mechanical fall arrest but these products are patented and their complexity and cost of purchase are then higher.

• 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.  • The number of elements constituting the entire kinematic chain because its efficiency depends on all the possible failures of the other elements situated between it and the rotation shaft. Some of these elements are oversized for lack of self-control.

• 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).  • Most commercial doors are equipped with a limit switch mechanically adjusted by the fitter (working at height).

Le dispositif de transmission antichute suivant la présente invention a pour objet 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 : The purpose of the fall-arresting device according to the present invention is to solve all the problems enumerated above by superimposing two speed reduction modes between the motor or the electric gear motor and the drive shaft, namely:

• Pour le premier mode de réduction par l'intermédiaire d'un variateur électrique ou électronique commandant le moteur ou le motoréducteur électrique  • For the first mode of reduction via an electric or electronic variator controlling the motor or the electric geared motor

• Et pour le deuxième mode de réduction par l'intermédiaire de la réduction mécanique obtenue par la différence de diamètre ou non des moyens de transmission disposés entre le moteur ou le motoréducteur et l'arbre d'entraînement.  • And for the second reduction mode through the mechanical reduction obtained by the difference in diameter or not 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 ou non 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-arresting device according to the present invention comprises transmission means consisting of pulleys of different diameters or not connected to each other by a belt and allowing the drive shaft to be rotated by the motor or the electric gear motor, electromechanical control means for 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 ou non 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. or not secured to 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. 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-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. 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.

La présente invention concerne également un procédé d'entrainement sécurisé d'un arbre d'entrainement d'une porte de manutention à rideau souple consistant à des réductions de vitesse entre le moteur ou le motoréducteur électrique et l'arbre d'entraînement en deux temps, à savoir un premier temps par l'intermédiaire d'un variateur électrique ou électronique commandant le moteur ou le motoréducteur électrique puis dans un deuxième temps par l'intermédiaire de la réduction mécanique obtenue par la différence de diamètre entre les poulies reliées par la courroie du dispositif de protection antichute.  The present invention also relates to a method for safely driving a drive shaft of a flexible curtain handling door consisting of speed reductions between the motor or the electric gear motor and the two-step drive shaft. , ie a first time via an electric or electronic drive controlling the motor or the electric geared motor and then in a second time through the mechanical reduction obtained by the difference in diameter between the pulleys connected by the belt the fall protection device.

La présente invention concerne également un procédé de détection en continu de la rupture d'une courroie d'entrainement à armature métallique d'un dispositif de protection antichute pour porte de manutention comprenant un dispositif électronique consistant à mesurer en continu l'impédance de l'armature métallique de la courroie, à bloquer l'arbre d'entrainement après rupture de l'armature métallique indiquant un changement d'impédance ou de reluctance de ladite armature métallique constituant le signal de rupture de la courroie . The present invention also relates to a method for continuously detecting the breaking of a metal frame drive belt of a fall protection device for a handling door comprising an electronic device consisting of continuously measuring the impedance of the metal frame of the belt, to lock the drive shaft after breaking the frame metal indicating a change in impedance or reluctance of said metal armature constituting the breaking 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 :  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 it has and the advantages that it is likely to provide:

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.  Figure 1 is a perspective view illustrating an example of a winding handling door having a fall arrest device according to the present invention.

Figures 2 à 4 sont des vues montrant les différents composants constituant le dispositif de transmission antichute suivant la présente invention.  Figures 2 to 4 are views showing the various components constituting the fall arrest device according to the present 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 5 is a perspective view showing the fall arrest device provided with an electronic device for monitoring the wear of the belt and an electromechanical belt tensioning device.

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 6 is a perspective view illustrating a first variant of the electromechanical belt tensioning device of the fall arrest device according to the present 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.  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.  FIG. 1 shows a handling door 1 comprising 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.  FIGS. 2 to 4 show the fall-protection transmission 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 chaîne tout en conservant les axes de sortie du moteur ou du motoréducteur 7 et de l'arbre d'entrainement 4 parallèles. 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 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 the drive shaft 4 parallel. 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 the fall arrest device 6 comprises a ribbon brake 15 coming into contact with the pulley 13 of the drive shaft 4 and more particularly on a track 13a of said pulley 13 dedicated for 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 chaîne cinématique constituée par les poulies 11 , 13 et la courroie 12 ou tout autre moyen d'entraînement.  The ribbon brake 15 provides either the so-called parking braking when the flexible curtain 5 is stopped or the exceptional dynamic emergency braking in case of breakage of the drive train constituted by 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 ribbon brake 15 is constituted by an open ribbon 15a coming around the track 13a of the pulley 13. The ends of the ribbon 15a are connected by a resiliently loaded closure device 15b.

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 16ç du galet 16a est mis en pression soit directement soit indirectement par l'intermédiaire de moyens élastiques constitués par exemple :  The voltage sensor 16 consists of a tensioner roller 16a guided in rotation in a support 16b fixed on the outer face of the flange 20 of the upright 2. The axis of rotation 16c of the roller 16a is pressurized either directly or indirectly by by means of elastic means constituted for example:

• d'un ressort 16d venant en contact direct avec l'axe de rotation 16ç du galet 16a (Figures 4, 5) ;  A spring 16d coming into direct contact with the axis of rotation 16c of the roller 16a (FIGS. 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 A spring 16d or a counterweight cooperating with a lever arm 16g pivoting about an axis 16k and carrying, opposite said axis 16k, the roller

16a libre en rotation autour de son axe de rotation 16ç (Figure 6) ; 16a free to rotate about its axis of 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 16ç (Figure 7).  • an elastically deformable support 16f carrying at one of its ends the roller 16a free to rotate about its axis of rotation 16c (Figure 7).

Ainsi, la rupture de la courroie 12 provoque le déplacement de l'axe de rotation 16ç du galet 16a soit sous pression du ressort 16d soit par déformation du cadre élastique 16f. Le déplacement de l'axe de rotation 16ç_ ou du cadre élastique 16f est détecté par un dispositif électromécanique ou électronique 16rn signalant la rupture de la courroie 12 afin de piloter le frein à ruban 15 pour le blocage en rotation de l'arbre d'entraînement 4 de la porte de manutention 1.  Thus, the rupture of the belt 12 causes the displacement of the axis of rotation 16c of the roller 16a is under pressure of the spring 16d or by deformation of the elastic frame 16f. The displacement of the axis of rotation 16c_ or of the elastic frame 16f is detected by an electromechanical or electronic device 16rn signaling the rupture of the belt 12 in order to control the ribbon brake 15 for locking in rotation of the drive shaft 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 so'n 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. FIG. 5 shows an electronic device 17 making it possible to continuously monitor the wear of the transmission belt 12 when the latter has in one ' n thickness or surface one or more metal frame (s) continuous (s) constituted for example of metal son or wire strands or plies of continuous metal son.

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'entraînement 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.

II doit d'ailleurs être entendu que la description qui précède n'a été donnée qu'à titre d'exemple et qu'elle ne limite nullement le domaine de l'invention dont on ne sortirait pas en remplaçant les détails d'exécution décrits par tout autre équivalent. It must also be understood that the foregoing description has been given only by way of example and that it does not limit the scope of the invention which can not be overcome by replacing the details of execution described. by any other equivalent.

Claims

REVENDICATIONS 1. Dispositif de transmission antichute pour porte de manutention (1 ) à rideau souple (5) venant s'empiler ou s'enrouler autour d'un arbre d'entrainement (4) lors de ses déplacements entre une position d'ouverture et une position de fermeture et inversement, ledit dispositif de transmission antichute (6) comportant d'une part un moteur ou un motoréducteur électrique (7) indépendant fixé suivant un axe de rotation qui est décalé et parallèle à celui de l'arbre d'entrainement (4), d'autre part un dispositif de protection antichute (8), permettant de relier le moteur ou le moto réducteur (7) à l'arbre d'entrainement (4) et de bloquer la chute accidentelle du tablier souple (5), caractérisé en ce qu'il comporte d'une troisième part des moyens de réductions de la vitesse entre le moteur ou le motoréducteur électrique (7) et l'arbre d'entraînement (4) qui sont obtenus en deux temps, à savoir un premier temps par l'intermédiaire d'un variateur électrique ou électronique commandant le moteur ou le motoréducteur électrique (7) puis dans un deuxième temps par l'intermédiaire de la réduction mécanique du dispositif de protection antichute (8) obtenue par la différence de diamètre ou non entre une poulie (11 ) solidaire dudit moteur ou motoréducteur électrique (7) et une poulie (13) solidaire de l'arbre d'entrainement (4) et par une courroie (12) reliant lesdites poulies (11 , 13). 1. Fall arrest transmission device for handling door (1) with flexible curtain (5) piled up or wrapped around a drive shaft (4) during its movements between an open position and a closing position and vice versa, said fall-arresting device (6) comprising, on the one hand, an independent motor or gear motor (7) fixed on an axis of rotation which is offset and parallel to that of the drive shaft ( 4), on the other hand a fall protection device (8), for connecting the motor or gear motor (7) to the drive shaft (4) and to block the accidental fall of the flexible apron (5) , characterized in that it comprises a third part means for reducing the speed between the motor or the electric geared motor (7) and the drive shaft (4) which are obtained in two stages, namely a first time via an electric or electronic dimmer e commander the motor or the electric geared motor (7) then in a second time through the mechanical reduction of the fall protection device (8) obtained by the difference in diameter or not between a pulley (11) integral with said motor or electric geared motor (7) and a pulley (13) integral with the drive shaft (4) and a belt (12) connecting said pulleys (11, 13). 2. Dispositif de transmission antichute suivant la revendication 1 , caractérisé en ce que le dispositif de protection antichute (8) comporte des moyens de transmission constitués de poulies (11 , 13) de différents diamètres ou non reliées entre elles par une courroie (12) et permettant l'entrainement en rotation de l'arbre d'entrainement (4) par le moteur ou le motoréducteur électrique (7), des moyens de contrôle électromécaniques (16) de la tension de la courroie (12), et des moyens de freinage (15) permettant d'arrêter la rotation de l'arbre d'entrainement (4). 2. A fall arrest device according to claim 1, characterized in that the fall protection device (8) comprises transmission means consisting of pulleys (11, 13) of different diameters or not connected together by a belt (12). and allowing rotation of the drive shaft (4) by the electric motor or gear motor (7), electromechanical control means (16) of the belt tension (12), and means for braking (15) for stopping the rotation of the drive shaft (4). 3. Dispositif de transmission antichute suivant la revendication 2, caractérisé en ce que le moteur ou le motoréducteur électrique (7) est fixé à proximité de l'arbre d'entrainement (4) de manière que son un axe de sortie (10) soit disposé suivant une direction qui est parallèle à celle de l'axe de sortie (9) dudit arbre d'entrainement. 3. Fall arrest transmission device according to claim 2, characterized in that the motor or the electric gear motor (7) is fixed close to the drive shaft (4) so that its output axis (10) is disposed in a direction parallel to that of the output shaft (9) of said drive shaft. 4. Dispositif de transmission antichute suivant la revendication 3, caractérisé en ce que l'axe de sortie (10) du moteur ou du moto réducteur électrique (7) est solidaire 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 ou non solidaire de l'axe de sortie (9) de l'arbre d'entraînement (4). 4. Fall arrest transmission device according to claim 3, characterized in that the output shaft (10) of the motor or electric gear motor (7) is integral with a drive pulley (11) which cooperates with a belt (12) for connecting to said first pulley (11) another pulley (13) of larger diameter or not integral with the output shaft (9) of the drive shaft (4). 5. Dispositif de transmission antichute suivant la revendication 2, caractérisé en ce que le dispositif de protection antichute (8) comporte dans le prolongement de l'axe de sortie (10) du moteur ou du moto réducteur électrique (7) un capteur (14) relié à un variateur électrique afin de gérer les arrêts et la vitesse de déplacement du rideau souple (5) par la mesure en continue de la position mécanique dudit rideau souple. 5. Fall arrest transmission device according to claim 2, characterized in that the fall protection device (8) comprises in the extension of the output shaft (10) of the motor or geared motor. electrical (7) a sensor (14) connected to an electric drive to manage the stops and speed of movement of the flexible curtain (5) by continuously measuring the mechanical position of said flexible curtain. 6. Dispositif de transmission antichute suivant la revendication 2, caractérisé en ce que le dispositif de protection antichute (8) comporte un frein à ruban (15) venant en contact avec la poulie (13) montée sur l'axe de sortie (9) de l'arbre d'entraînement (4). Anti-fall transmission device according to Claim 2, characterized in that the fall protection device (8) comprises a ribbon brake (15) which comes into contact with the pulley (13) mounted on the output shaft (9). of the drive shaft (4). 7. Dispositif de transmission antichute suivant la revendication 2, caractérisé en ce que le dispositif de protection antichute (8) comporte un capteur de tension (16) permettant un contrôle électromécanique de la tension de la courroie (12) reliant les poulies (11 et 13). A fall arrest device according to claim 2, characterized in that the fall protection device (8) comprises a voltage sensor (16) for electromechanical control of the tension of the belt (12) connecting the pulleys (11 and 11). 13). 8. Dispositif de transmission antichute suivant la revendication 5, caractérisé en ce que le capteur de tension (16) est constitué d'un galet tendeur (16a) guidé en rotation dans un support (16b), tandis que l'axe de rotation (16ç_) du galet (16a) est mis en pression soit directement soit indirectement par l'intermédiaire de moyens élastiques assurant l'antichute du rideau souple (5) en pilotant et bloquant le frein à ruban (15) en cas de rupture de la courroie (12) ou de mauvais réglage de la tension de cette dernière. 8. Fall arrest transmission device according to Claim 5, characterized in that the tension sensor (16) consists of a tensioning roller (16a) guided in rotation in a support (16b), while the axis of rotation ( 16c_) of the roller (16a) is pressurized either directly or indirectly by means of resilient means ensuring the fall arrest of the flexible curtain (5) by controlling and blocking the ribbon brake (15) in case of rupture of the belt (12) or incorrect adjustment of the voltage of the latter. 9. Dispositif de transmission antichute suivant la revendication 8, caractérisé en ce que les moyens élastiques du capteur de tension (16) sont constitués d'un ressort (16d) venant en contact direct avec l'axe de rotation 9. Fall arrest transmission device according to claim 8, characterized in that the elastic means of the voltage sensor (16) consist of a spring (16d) coming into direct contact with the axis of rotation. (16ç) du galet (16a). (16c) of the roller (16a). 10. Dispositif de transmission antichute suivant la revendication 8, caractérisé en ce que les moyens élastiques du capteur de tension (16) sont constitués d'un ressort (16d) venant en contact d'un bras de levier (16g.) ledit bras de levier (16a) 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 (16ç_). 10. A fall arrest transmission according to claim 8, characterized in that the resilient means of the voltage sensor (16) consist of a spring (16d) coming into contact with a lever arm (16g.) Said arm lever (16a) pivoting about an axis (16k) and carrying away from said axis (16k) the roller (16a) free to rotate about its axis of rotation (16c_). 11. Dispositif de transmission antichute suivant la revendication 8, caractérisé en ce que les moyens élastiques du capteur de tension (16) sont constitués 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 (1βç). 11. Fall arrest transmission device according to claim 8, characterized in that the elastic means of the voltage sensor (16) consist of an elastically deformable support (16f) carrying at one of its ends the free roller (16a). in rotation about its axis of rotation (1 β ç). 12. Dispositif de transmission antichute suivant la revendication 2, caractérisé en ce que le dispositif de protection antichute (8) comporte 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).  12. Fall arrest transmission device according to claim 2, characterized in that the fall protection device (8) comprises an electronic device (17) for continuously monitoring the wear of the transmission belt (12) when the latter in its thickness or surface one or more metal frame (s) continuous (s). 13. Dispositif de transmission antichute suivant la revendication 12, caractérisé en ce que l'armature métallique continue est constituée de fils métalliques ou brins métalliques ou nappe de fils métalliques continus. 13. Fall arrest transmission device according to claim 12, characterized in that the continuous metal reinforcement consists of metal son or metal strands or sheet of continuous metal son. 14. Dispositif de transmission antichute suivant la revendication 12, caractérisé en ce que le dispositif électronique (17) du dispositif de protection antichute (8) comporte des moyens de mesure en continu de l'impédance de l'armature métallique de la courroie (12) indiquant un changement d'impédance ou de reluctance de ladite armature métallique constituant le signal de rupture de la courroie (12), et des moyens de blocage de l'arbre d'entraînement (4) après rupture de l'armature métallique de la courroie (12). 14. Fall arrest transmission device according to claim 12, characterized in that the electronic device (17) of the fall protection device (8) comprises means for continuously measuring the impedance of the metal reinforcement of the belt (12). ) indicating a change of impedance or reluctance of said metal reinforcement constituting the rupture signal of the belt (12), and locking means of the drive shaft (4) after breaking of the metal reinforcement of the belt (12).
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 true EP2459835A2 (en) 2012-06-06
EP2459835B1 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
CA2768941A1 (en) 2011-02-10
JP2013500413A (en) 2013-01-07
PL2459835T3 (en) 2017-07-31
US20120145335A1 (en) 2012-06-14
US9217284B2 (en) 2015-12-22
AU2010280602A1 (en) 2012-03-01
MX2012001349A (en) 2012-06-27
EP2459835B1 (en) 2017-01-25
CA2768941C (en) 2016-01-26
BR112012001756B1 (en) 2019-04-30
FR2948724A1 (en) 2011-02-04
RU2516132C2 (en) 2014-05-20
CN102597410A (en) 2012-07-18
AU2010280602B9 (en) 2015-06-18
WO2011015725A3 (en) 2011-03-31
CN102597410B (en) 2015-11-25
WO2011015725A2 (en) 2011-02-10
MA33453B1 (en) 2012-07-03
FR2948724B1 (en) 2017-10-27
BR112012001756A2 (en) 2017-06-20
RU2012107485A (en) 2013-09-10
AU2010280602B2 (en) 2015-05-28

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