EP1871972B1 - Vorrichtung zur erfassung eines hindernisses und begrenzung der kraft einer schürze bei einem industrietor - Google Patents

Vorrichtung zur erfassung eines hindernisses und begrenzung der kraft einer schürze bei einem industrietor Download PDF

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Publication number
EP1871972B1
EP1871972B1 EP06743597.4A EP06743597A EP1871972B1 EP 1871972 B1 EP1871972 B1 EP 1871972B1 EP 06743597 A EP06743597 A EP 06743597A EP 1871972 B1 EP1871972 B1 EP 1871972B1
Authority
EP
European Patent Office
Prior art keywords
obstacle
detecting
curtain
flexible
apron
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.)
Active
Application number
EP06743597.4A
Other languages
English (en)
French (fr)
Other versions
EP1871972A2 (de
Inventor
Antonello La Marca
Bernard 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.)
Maviflex SAS
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Maviflex SAS
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 Maviflex SAS filed Critical Maviflex SAS
Publication of EP1871972A2 publication Critical patent/EP1871972A2/de
Application granted granted Critical
Publication of EP1871972B1 publication Critical patent/EP1871972B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/13—Roller shutters with closing members of one piece, e.g. of corrugated sheet metal
    • 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
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling

Definitions

  • the present invention relates to a device for detecting an obstacle and for limiting the force of the primary edge or threshold threshold for closing a handling door with a winding or a stack when detecting an obstacle preventing the smooth operation of the apron or soft curtain.
  • an obstacle detection device for a handling door comprising detection means which consist of at least one strap having a substantially curved profile and disposed perpendicularly and in the vicinity of the winding shaft.
  • the strap is connected on the one hand to a position switch and on the other hand to a fixed blade or to a face of a cover secured to the lateral uprights of the handling door.
  • an obstacle detection device comprising an optoelectronic detection cell disposed on the one hand in the vicinity of the winding shaft of the deck and on the other hand outside the winding zone of said apron.
  • a detection stop can detect the movement of the detection bars during the movements of the curtain.
  • the detection stop is connected to a control circuit connected to the control device in order to stop the motor if the deck encounters an obstacle
  • the detection device consists of a collision detector emitting a vertical radius parallel to the apron, a vertical lever secured to the threshold sill of the deck and a connecting abutment pivotally mounted on the stiffener located just above said bar.
  • the obstacle detection means described above are generally provided near the winding shaft of the deck of the handling door. This position of the detection means is not adequate because too far from the contact zone of the threshold bar with the obstacle to react quickly. Indeed, it is imperative for the detection means to trigger, a soft strand of the deck develops sufficiently quickly to enable said detection means.
  • the purpose of the device for detecting an obstacle and for limiting the force according to the present invention is to provide detection means on the one hand as close as possible to the potential contact zone of the primary edge or of the threshold bar. with the obstacle and the furthest away from the winding shaft of the door of the handling door to react as quickly as possible.
  • the device for detecting an obstacle and for limiting the effort according to the present invention is intended for handling doors comprising means for driving said flexible curtain or apron, vertical and opposite uprights each secured to a guiding device comprising two opposite slides to form on each amount and the full height of the latter, a slide.
  • the obstacle detection and force limitation device comprises safety cells positioned and fixed close to each guiding device so as to emit at least one beam F directed in a vertical direction which is provided outside the slide so that said beam is interrupted either by the deformation of the flexible curtain or curtain or by the deformation of elements attached to the flexible curtain and which are likely to deform when said curtain meets during its descent a obstacle
  • the obstacle detection and force limitation device comprises safety cells whose emitted beam F is directed in a vertical plane and parallel to the flexible apron or curtain.
  • the obstacle detection and force limitation device comprises safety cells whose emitted beam F is directed in an inclined direction intersecting the center xx 'of the handling door.
  • the obstacle detection and force limitation device comprises safety cells whose emitted beam F is directed in a vertical direction and parallel to the plane containing the outer edge of the corresponding slide.
  • the obstacle detection and force limitation device comprises safety cells whose emitted beam F is directed in a vertical direction and in an inclined plane intersecting the one containing the outer edge of the corresponding slide.
  • the obstacle detection and force limitation device comprises security cells which are respectively fixed in the upper and lower part of the handling door in order to transmit in a vertical direction a beam F of light rays, infrared, hyper frequency, or any other type.
  • the obstacle detection and force limitation device comprises elements attached to the flexible curtain, said elements being flexible and capable of deforming, when said curtain encounters during its descent an obstacle, in order to interrupt the beam F emitted by the security cells.
  • the obstacle detection and force limitation device comprises flexible elements each having a first end which is fixed at the threshold bar, while the other end is integral with the curtain. above and at a distance from said bar.
  • FIG 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.
  • the opposing and vertical uprights 2 and 3 are interconnected, in the upper part of the handling door 1, by a winding shaft or drum. 4 allowing the movement of an apron or flexible curtain 5 between an open position and a closed position.
  • the flexible curtain or apron 5 may comprise, for example, sleeves 6 in which horizontal reinforcing crosspieces 7 are inserted, the ends of which cooperate with a guiding device 8 forming a slide, provided on each upright 2 and 3.
  • the apron or flexible curtain 5 comprises at its free end a primary closing edge which consists of a sleeve 9 into which a threshold bar 10 is introduced.
  • Each guiding device 8 can be made by two opposite slides which consist, for example, either by two straps stretched and flexible, or by two semi-rigid or rigid blades arranged opposite each other to constitute on each 2 and 3, and over the entire height of the latter, a slideway 15 for guiding the curtain 5, horizontal crosspieces 7 and the threshold bar 10.
  • the handling door 1 comprises a guiding device 8, the opposite slides of which consist of two stretched and flexible straps 11, 12 arranged opposite one another to constitute on each upright 2, 3 and over the entire height of the latter, a slideway 15 for guiding the flexible curtain 5, horizontal crosspieces 7 and the threshold bar 10.
  • the flexible curtain 5 has on its face near each guide device 8 and outside the slides 15, a flexible element 13 whose one end is fixed at the sleeve 9, cooperating with the threshold bar 10, while that the other end is secured to said curtain above and at a certain distance from said sheath 9.
  • Each flexible element 13 is attached and fixed on one or both sides of the flexible curtain 5 depending on the use of the handling door 1.
  • Each element 13 is fixed either by high frequency welding or by sewing on the corresponding face of the flexible curtain 5 of the handling door 1.
  • the handling door 1 comprises on each upright 2, 3 a device for detecting an obstacle and limiting the effort A which consists of safety cells 21, 22 respectively fixed in the upper and lower part of the door of the door.
  • handling 1 in order to emit in a vertical direction a beam F of light rays, infrared, ultraviolet, hyperfrequency or any other type.
  • the transmitting safety cell 21 is fixed, for example, on the side of the second strap 12 of the guiding device 8 of each upright 2, 3, on a plate 23 integral with the protective cover 24 of the winding drum 4.
  • the receiving security cell 22 is fixed on the side of the second strap 12 of the guide device 8 of each upright 2, 3 and at the floor of the handling door 1 near the tensioning finger 25 of said strap 12.
  • the security cells 21, 22 make it possible to emit a beam F which is directed in a vertical direction and positioned near the outer edge 26 of the second strap 12 of each guide device 8.
  • the position of the cells 21, 22 near the outer edge 26 of the second strap 12 prevents any triggering of the obstacle detection device and effort limitation A when the curtain or flexible apron 5 is deformed by a lateral thrust due to wind or depression.
  • the beam F emitted by the security cells 21, 22 is provided outside the slideway 15 and thus outside the zone of displacement of the flexible curtain 5.
  • the drum or winding shaft 4 continues its rotation creating over the width a deformation of the flexible curtain 5 constituted by example, by one or more soft bristles, or creases 5 a, 5 b.
  • the flexible curtain 5 comprises on one of its faces flexible elements 13 and that the primary closing edge or threshold bar 10 encounters an obstacle 14 during closure, it is found that under the continuous rotation of the drum or shaft d winding 4 on the one hand that the flexible curtain 5 is deformed over its width and in the slides 15 of each upright 2, 3 creating one or more soft strands or folds 5a, 5b and secondly that the flexible elements 13 is folds also forming folds 13a, 13b independent of those of the curtain.
  • the device for detecting an obstacle and for limiting the force A consists of the flexible elements 13 and the safety cells 21, 22 respectively fixed in the upper and lower part of the handling door 1.
  • the device for detecting an obstacle and for limiting the force A is constituted secondly by safety cells 21, 22 respectively fixed in the upper and lower part of the handling door 1 in order to emit in a vertical direction.
  • the transmitting safety cell 21 is fixed on the side of the second strap 12 of the guiding device 8 of each upright 2, 3 on a plate 23 secured to the protective cover 24 of the winding drum 4.
  • the receiving security cell 22 is fixed on the side of the second strap 12 of the guide device 8 of each upright 2, 3 and at the floor of the handling door 1 near the tensioning finger 25 of said strap 12.
  • the security cells 21, 22 make it possible to emit a beam F which is directed in a vertical direction and positioned near the outer edge 26 of the second strap 12 of each guide device 8.
  • the beam F emitted by the security cells 21, 22 is provided outside the slideway 15 and thus outside the zone of displacement of the flexible curtain 5.
  • the device for detecting an obstacle and for limiting the force A is constituted secondly by safety cells 21, 22 respectively fixed in the upper and lower part of the handling door 1 in order to emit in a vertical direction.
  • the beam F emitted by the security cells 21, 22 can affect a vertical direction which may be either in a plane parallel to that containing the outer edge of the corresponding slide or in an inclined plane intersecting the one containing the outer edge of the the corresponding slide.
  • the beam F emitted by the security cells 21, 22 can be directed firstly in a vertical plane and parallel to the flexible curtain or apron 5 and secondly in an inclined direction intersecting the center xx 'of the handling door 1.

Landscapes

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

Claims (8)

  1. Vorrichtung zur Erfassung eines Hindernisses und zur Kraftbegrenzung der Hauptkante oder der Schließschwellenschiene (10) eines biegsamen Vorhangs oder Behangs (5) eines Verladetors (1), wenn letzterer beim Schließen auf ein Hindernis (14) trifft, wobei das Verladetor (1) Einrichtungen zum Antrieb des biegsamen Behangs oder Vorhangs, senkrechte und gegenüberliegende Pfosten (2, 3) aufweist, die je mit einer Führungsvorrichtung (8) fest verbunden sind, die zwei gegenüberliegende Führungsschienen (11, 12) enthält, um auf jedem Pfosten und über die ganze Höhe dieser letzteren eine Gleitbahn (15) zu bilden, dadurch gekennzeichnet, dass sie Sicherheitszellen (21, 22) enthält, die in der Nähe jeder Führungsvorrichtung (8) so positioniert und befestigt sind, dass sie mindestens ein gemäß einer senkrechten Richtung, die außerhalb der Gleitbahn (15) vorgesehen ist, gerichtetes Strahlenbündel F emittieren, damit das Strahlenbündel F entweder durch die Verformung des biegsamen Behangs oder Vorhangs (5) oder durch die Verformung von auf den biegsamen Vorhang (5) angefügten Elementen (13) unterbrochen wird, wenn der Vorhang bei seinem Absinken auf ein Hindernis (14) trifft.
  2. Vorrichtung zur Erfassung eines Hindernisses und zur Kraftbegrenzung nach Anspruch 1, dadurch gekennzeichnet, dass das von den Sicherheitszellen (21, 22) emittierte Strahlenbündel F in eine senkrechte und zum biegsamen Behang oder Vorhang (5) parallele Ebene gerichtet ist.
  3. Vorrichtung zur Erfassung eines Hindernisses und zur Kraftbegrenzung nach Anspruch 1, dadurch gekennzeichnet, dass das von den Sicherheitszellen (21, 22) emittierte Strahlenbündel F in eine geneigte Richtung gerichtet ist, die die Mitte xx' des Verladetors (1) schneidet.
  4. Vorrichtung zur Erfassung eines Hindernisses und zur Kraftbegrenzung nach Anspruch 1, dadurch gekennzeichnet, dass das von den Sicherheitszellen (21, 22) emittierte Strahlenbündel F gemäß einer senkrechten und zur den Außenrand der entsprechenden Führungsschiene enthaltenden Ebene parallelen Richtung gerichtet ist.
  5. Vorrichtung zur Erfassung eines Hindernisses und zur Kraftbegrenzung nach Anspruch 1, dadurch gekennzeichnet, dass das von den Sicherheitszellen (21, 22) emittierte Strahlenbündel F gemäß einer senkrechten Richtung und in eine geneigte Ebene gerichtet ist, die diejenige schneidet, die den Außenrand der entsprechenden Führungsschiene enthält.
  6. Vorrichtung zur Erfassung eines Hindernisses und zur Kraftbegrenzung nach Anspruch 1, dadurch gekennzeichnet, dass die Sicherheitszellen (21, 22) im oberen bzw. unteren Teil des Verladetors (1) befestigt sind, um in einer senkrechten Richtung F ein Bündel von Licht-, Infrarot-, Ultraviolettstrahlen oder Strahlen eines beliebigen anderen Typs zu emittieren.
  7. Vorrichtung zur Erfassung eines Hindernisses und zur Kraftbegrenzung nach Anspruch 1, dadurch gekennzeichnet, dass sie auf den biegsamen Vorhang (5) angefügte Elemente (13) enthält, wobei die Elemente (13) biegsam sind und sich verformen können, wenn der Vorhang bei seinem Absinken auf ein Hindernis (14) trifft, um das von den Sicherheitszellen (21, 22) emittierten Strahlenbündel F zu unterbrechen.
  8. Vorrichtung zur Erfassung eines Hindernisses und zur Kraftbearenzung nach Anspruch 1, dadurch gekennzeichnet, dass jedes Element (13) ein erstes Ende aufweist, das im Bereich der Schwellenschiene (10) befestigt ist, während das andere Ende über der und in einem bestimmten Abstand zur Schwellenschiene (10) fest mit dem Vorhang (5) verbunden ist.
EP06743597.4A 2005-03-25 2006-03-24 Vorrichtung zur erfassung eines hindernisses und begrenzung der kraft einer schürze bei einem industrietor Active EP1871972B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0502982A FR2883584B1 (fr) 2005-03-25 2005-03-25 Dispositif de detection d'un obstacle et de limitation d'effort d'un tablier d'une porte de manutention
US73739505P 2005-11-17 2005-11-17
PCT/FR2006/000653 WO2006100394A2 (fr) 2005-03-25 2006-03-24 Dispositif de detection d'un obstacle et de limitation d'effort d'un tablier d'une porte de manutention

Publications (2)

Publication Number Publication Date
EP1871972A2 EP1871972A2 (de) 2008-01-02
EP1871972B1 true EP1871972B1 (de) 2014-05-07

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EP06743597.4A Active EP1871972B1 (de) 2005-03-25 2006-03-24 Vorrichtung zur erfassung eines hindernisses und begrenzung der kraft einer schürze bei einem industrietor

Country Status (5)

Country Link
US (1) US7762304B2 (de)
EP (1) EP1871972B1 (de)
JP (1) JP4979681B2 (de)
FR (1) FR2883584B1 (de)
WO (1) WO2006100394A2 (de)

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Publication number Priority date Publication date Assignee Title
US11267679B2 (en) 2018-08-10 2022-03-08 Otis Elevator Company Elevator car apron

Also Published As

Publication number Publication date
JP2008534817A (ja) 2008-08-28
JP4979681B2 (ja) 2012-07-18
US20090101292A1 (en) 2009-04-23
US7762304B2 (en) 2010-07-27
WO2006100394A3 (fr) 2007-04-05
FR2883584B1 (fr) 2007-06-08
EP1871972A2 (de) 2008-01-02
WO2006100394A2 (fr) 2006-09-28
FR2883584A1 (fr) 2006-09-29

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