EP1844210B1 - Vorrichtung zum bremsen der drehung der antriebswelle eines blattes einer hochgeschwindigkeitstür - Google Patents

Vorrichtung zum bremsen der drehung der antriebswelle eines blattes einer hochgeschwindigkeitstür Download PDF

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Publication number
EP1844210B1
EP1844210B1 EP06709229.6A EP06709229A EP1844210B1 EP 1844210 B1 EP1844210 B1 EP 1844210B1 EP 06709229 A EP06709229 A EP 06709229A EP 1844210 B1 EP1844210 B1 EP 1844210B1
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EP
European Patent Office
Prior art keywords
weight
cavity
shaft
rotation
braking device
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.)
Not-in-force
Application number
EP06709229.6A
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English (en)
French (fr)
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EP1844210A1 (de
Inventor
Bernard Kraeutler
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.)
Nergeco SA
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Nergeco SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR0501036A external-priority patent/FR2881464A1/fr
Application filed by Nergeco SA filed Critical Nergeco SA
Publication of EP1844210A1 publication Critical patent/EP1844210A1/de
Application granted granted Critical
Publication of EP1844210B1 publication Critical patent/EP1844210B1/de
Not-in-force 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
    • E06B9/56—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
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/21—Brakes
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23—Actuation thereof
    • E05Y2201/232—Actuation thereof by automatically acting means
    • E05Y2201/242—Actuation thereof by automatically acting means using threshold speed
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/252—Type of friction
    • E05Y2201/26—Mechanical friction
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/262—Type of motion, e.g. braking
    • E05Y2201/266—Type of motion, e.g. braking rotary

Definitions

  • the present invention relates to a tree braking device of a flexible or rigid and articulated apron of a rapid industrial, commercial, domestic or garage door.
  • a fast door having a flexible apron that winds or folds at the lintel of the door.
  • This type of door has the advantage of being able to open and close very quickly with a speed greater than 0.5 m / s.
  • Such a door is particularly suitable for equipping a bay through which a large traffic flows.
  • the door is equipped with a drive kinematic chain that can rotate a shaft on which can roll the deck directly or on which can wrap the straps that allow the folding of the deck.
  • the kinematic chain generally comprises an electric motor which, via a gearbox, drives the shaft in rotation.
  • the elements of the drive train are dimensioned to undergo a very large number of cycles. Nevertheless, one can deplore a mechanical break in the gearbox, a breakage of a coupling between the shaft and the gearbox, etc ...
  • the tree is no longer controlled; he is then completely free in rotation. Under the effect of gravity, the deck can then fall suddenly since the tree to which the deck is bound is no longer able to control the fall of the latter.
  • An object of the invention is to provide a braking device for a fast door flexible apron securing the operation thereof especially in case of a mechanical failure of its kinematic drive chain.
  • the subject of the invention is essentially a braking device according to the wording of claim 1.
  • the idea underlying the invention is to detect an increase in the speed of rotation of the shaft beyond a predetermined threshold.
  • the increase in the speed of rotation of the shaft occurs in case of breakage of an element of the driving kinematic chain, so that the shaft is completely free to rotate and is driven by the weight of the apron. If the shaft is driven in overspeed, it induces a displacement of the weights that actuate braking means.
  • a specificity of flexible deck doors lies in the fact that they have a high normal operating speed.
  • the breaking of the kinematic drive chain induces an overspeed which is however not significantly greater than the normal operating speed. In other words, the speed differential of the shaft between its normal operation and abnormal operation is not considerable.
  • each cavity is equipped with means for defining two operating modes of the weights, namely a normal operating regime in which the weight is maintained in an area comprising the proximal end of the cavity and an abnormal operating regime in which the movement of the weight is favored to operate the braking means.
  • the centrifugal force that applies to the weight causes it to pass the protruding zone to reach the distal portion of the cavity.
  • This distal portion which has a less acute angle than the proximal portion, offers little restraint to the weight which can then actuate the braking means.
  • each cavity has, on its wall on which the counterweight bears in operating condition, a rib which separates the distal end from the proximal end, the rib on which the counterweight is operating. normal of the door. The presence of this rib is then combined with the characteristic that the proximal and distal portions have radially increasing angles.
  • ruptible means hold the flyweight at the proximal portion of the cavity, these ruptible means are likely to break in abnormal operation of the door releasing the weight to the proximal portion of the cavity.
  • the ruptible means consist of a wire whose resistance makes it possible to collect the centrifugal force applied to the flyweight operating at normal speed of the shaft but does not allow to collect the centrifugal force applied to the flyweight. in abnormal operation.
  • the braking means comprise a movable assembly radially or axially on which the flyweights act, and a fixed assembly on which the movable assembly can come into contact by friction and / or meshing to slow the rotation of the shaft.
  • each cavity receiving a flyweight has at its distal end a radially movable finger that can occupy a retracted position in which the finger is held by a spring or can occupy an extended position under the effect of a push by a weight, the finger in the extended position can engage in a light formed in a fixed disc.
  • This embodiment has the advantage of involving only a small number of moving parts.
  • each cavity receiving a flyweight is delimited by the wall formed in the flange by a wall of an axially movable assembly between a normal speed operating position in which the moving assembly is pushed towards the cavity by elastic means and an operating position at a speed exceeding a predetermined threshold in which each feeder axially pushes the moving assembly against a fixed disk.
  • the displacement of the flyweights is converted into an axial movement of a moving assembly which carries out the locking of the device cooperating with a fixed disk.
  • the braking can then be achieved through the characteristic that the movable assembly has, on a wall opposite its wall facing the cavity, at least one tooth capable of meshing with a tooth protruding from the fixed disk.
  • the teeth of the movable assembly and the teeth of the fixed disk are against undercut and disengaged after their meshing only by a reverse rotation of the shaft.
  • Blocking can also be achieved thanks to the characteristic that the axially movable assembly has on its wall opposite to its wall facing each cavity, a convergent frustoconical ring on which at least one pivoting lever rests, having a hook to its free end, the lever being pivotable between an operating position at normal speed of the shaft and a position of running at a speed of the shaft exceeding a predetermined threshold in which the ring presses each lever to rotate it to pick a fixed bar.
  • the axially movable assembly has on its wall opposite its wall facing the cavity a seal that can frictionally brake the rotation against a fixed element.
  • the device comprises a linear ball bearing for sliding the movable assembly relative to the axis.
  • the device may comprise means of connection with a control unit making it possible to postpone triggering of the device.
  • a rapid door intended to close a bay in a partition has two uprights 2 which are generally each connected at their upper end by a transverse cover 3.
  • One of the uprights 2 supports drive means of a shaft 4 which are inside the transverse cover 3.
  • the drive means generally comprise an electric motor 5 and a gear 6 which provide the link with the drive. tree 4.
  • an apron is suspended from the shaft 4; the apron winds on the shaft 4 to clear the passage and unrolls the shaft 4 to close the passage.
  • Another way of moving the deck is to hang the deck on the uprights 2 and provide straps one end of which is connected to the shaft 4 and whose other end is connected to the threshold of the deck. During the rotation of the shaft 4, the straps are wound on the shaft and thus raise the apron that folds below the transverse cover.
  • the specificity of the door according to the invention lies in the fact that a braking device 8 is disposed at the end of the shaft.
  • the braking device 8 has an axis 9 which, at its free end, has a hexagonal section; it can be engaged in a housing of the same section made in the shaft 4 of the door.
  • the device has an axially movable assembly 11 which is rotated with the axis 9.
  • This mobile assembly 11 comprises a sleeve 10 which is engaged on the axis 9 and is secured thereto by a key 15. Axially, the sleeve 10 is stopped by an elastic ring.
  • the sleeve 10 receives a support sleeve 12 on which is fixed a disc 13.
  • This disc 13 is equipped with several radial teeth 14 whose function will appear later. Note however that the teeth 14 have a profile against undercut.
  • a point that is important to note is that a linear ball bearing 16 is interposed between the sleeve 10 and the intermediate sleeve 12.
  • the movable assembly 11 is rotated by the axis 9 and is capable of axial displacement thanks to the ball bearing 16 linear.
  • the axial displacement of the moving assembly 11 is limited by a spring 21 disposed axially with the axis 9.
  • a flange 17 engaged on the axis 9 makes it possible to enclose several flyweights 18 - in the example represented the flyweights 18 are six in number - which bear against the disc 13 of the moving assembly 11. As can be seen see FIGS, each weight 18 is enclosed in a cavity 19.
  • the cavity 19 is, in the embodiment shown, defined by a wall of the movable assembly 11 and a wall 20 formed in the flange 17. This wall is very characteristic since as can be seen it has two successive parts, namely a proximal portion which is close to the axis of rotation of the axis 9 and a distal portion 20b which moves away from this axis .
  • the flange 17 is integral in rotation with the axis 9 by the key 15.
  • the specificity of the wall 20 is that the proximal portion 20a forms a first angle with the axis of rotation and the distal portion 20b forms a second angle with the axis of rotation, this second angle being greater than the first.
  • a projecting zone 22 separates the distal portion from the proximal portion.
  • the device also has a fixed assembly which, in the example shown, is a disc which has four teeth having a profile against undercut.
  • the operation of the braking device is therefore as follows.
  • Figure 2 shows the device at rest, the flyweight 18 then rests at the proximal end of the cavity 19.
  • the weight 18 is then supported on the distal portion of the cavity. This has a relatively obtuse angle, the flyweight 18 reaches the distal end of the cavity 19 and pushes the movable assembly towards the fixed disk.
  • Figures 6 to 9 show an alternative embodiment of the device which also has an axially movable assembly 25 under the action of the flyweights 18.
  • the main difference to the mobile assembly described above is that the moving assembly 25 has, on its wall opposite its wall in view of the cavity 19, a frustoconical ring 26.
  • the means, permitting the axial displacement of the moving assembly 25 are similar to those allowing the displacement of the moving assembly 11 and the flange 17 with its cavities 19 enclosing weights 18 is similar to that of the device of the Figures 2 to 5 .
  • levers 27 are embarked on the braking device. These levers 27 are eccentric with respect to the axis of rotation and can pivot relative to respective axes 28, parallel to the axis of rotation of the device. Each lever 27 has, at its free end, a hook 30.
  • Figure 6 shows the device at rest; the weight 18 then rests against the proximal end of the cavity.
  • Figure 7 shows the device in normal operating mode; the weight 18 is then in abutment against the projection zone 22 of the cavity and against the wall of the moving assembly 25.
  • Figure 8 shows the device at the beginning of abnormal operating regime, that is to say in case of overspeed of the door shaft; the flyweight 18 pushed by the centrifugal force, exceeds the projecting zone 22 and then pushes the movable assembly 25 in an axial direction.
  • the figure 9 then illustrates the displacement of the movable element.
  • This displacement has the effect of producing a rotation of the levers 27 because the frustoconical ring acts as a ramp on which the levers 27 rest.
  • each lever 27 comes, thanks to its hook 28, to pick a fixed bar 29, which interrupts the rotation of the device and thus of the shaft 4.
  • the device then interrupts the rotation of the shaft 4.
  • the device of Figures 10 to 14 differs from the two previous embodiments in that a movable assembly 31 moves radially.
  • each cavity 19 like the cavities of the two previous embodiments has a proximal portion 20a and a distal portion 20b, separated by a projecting zone 22, the distal portion forming an angle more open with the axis of rotation than the proximal part.
  • braking means these are constituted by a movable element 31 radially engageable with a fixed element.
  • the movable element 31 has a radially movable pin 32 capable of occupying a retracted position 31 in which the finger 32 is held by a spring 33 in an extended position in the event of compression of the spring 33.
  • the fixed element is, in the example shown, a fixed ring 35 in which are formed radial apertures 36.
  • Figure 11 shows the device at rest, the weight 18 is then against the proximal end of the cavity.
  • Figure 12 shows the device in normal operating mode; the weight 18 is in abutment against the projecting zone 22 of the cavity.
  • Figure 13 shows the device at the beginning of abnormal operating regime, that is to say, in the event of overspeed of the shaft 4 of the door, the flyweight protrudes beyond the projecting zone 22 and comes to rest on the finger 32.
  • Figure 14 illustrates the thrust exerted by the weight 8 on the finger 32 which radially out the latter.
  • the finger 32 then engages in a light of the ring, which has the effect of blocking the rotation of the device and therefore the shaft.
  • the cavity 19 may include an elastic means such as a flexible elastic blade that maintains the weight in the proximal portion of the cavity, when the door operates in normal mode.
  • the invention thus provides a braking device which, in its various embodiments, makes it possible effectively to stop the rotation of a shaft of a door when the drive chain breaks. of it.
  • the invention especially provides a braking device adaptable to soft curtain doors whose rotation speed of the shaft in normal operation and abnormal operation is close enough.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Braking Arrangements (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Claims (13)

  1. Vorrichtung zum Bremsen der Drehung einer Welle (4), die die Hebung und die Senkung eines flexiblen oder starren und gelenkig verbundenen Blattes (6) einer industriellen, kommerziellen, Haus- oder Garagen-Hochgeschwindigkeitstür sicherstellt, wobei die Vorrichtung einen Flansch (17) umfasst, der durch die Welle in Drehung (4) versetzt wird, wobei der Flansch mehrere Hohlräume (19) aufweist, von denen jeder eine Wand (20) umfasst, die zur Auflage für ein Auslgeichsgewicht (18) im Betriebszustand dient und mit Bezug auf die Drehachse des Flansches um einen Winkel von weniger als 90° geneigt ist, wobei jeder Hohlraum ein proximales Ende aufweist, das sich in der Nähe der Drehachse des Flansches befindet, und ein distales Ende, das von der Drehachse des Flansches entfernt ist, wobei jedes Ausgleichsgewicht (18) in einem der Hohlräume zwischen einer Betriebsposition mit normaler Geschwindigkeit der Welle (4), in der sich das Ausgleichsgewicht in einem Bereich befindet, der das proximale Ende des Hohlraums (19) umfasst, und einer Betriebsposition mit einer Geschwindigkeit der Welle (4) zirkuliert, die eine vorbestimmte Schwelle übersteigt, in der sich das Ausgleichsgewicht (18) in einem Bereich befindet, der das distale Ende des Hohlraums umfasst und von Mitteln zum Bremsen der Drehung der Welle (4) angetrieben wird, wobei die Vorrichtung dadurch gekennzeichnet ist, dass jeder Hohlraum (19) Mittel aufweist, die eine Stabilisierung der Position des Ausgleichsgewichts (18) in dem Bereich sicherstellen, der das proximale Ende des Hohlraums im Betrieb mit normaler Geschwindigkeit der Welle umfasst und eine Verschiebung des Ausgleichsgewichts (18) in den Bereich begünstigt, der das distale Ende des Hohlraums umfasst, wenn die Drehgeschwindigkeit der Welle (4) eine vorbestimmte Schwelle übersteigt, wobei jeder Hohlraum (19) auf seiner Wand, auf der das Ausgleichsgewicht (18) im Betriebszustand aufliegt, einen ersten Teil aufweist, der sich auf der Seite des proximalen Endes befindet, der einen verhältnismäßig spitzen Winkel α mit Bezug auf die Drehachse der Vorrichtung aufweist, und einen zweiten Teil, der sich auf der Seite des distalen Endes befindet und einen Winkel β mit Bezug auf die Drehachse aufweist, wobei der Winkel β größer als der Winkel α ist und die Verbindung zwischen dem ersten und dem zweiten Teil einen hervorstehenden Bereich (22) bildet, gegen den das Ausgleichsgewicht (18) im Betrieb mit normaler Geschwindigkeit aufliegt.
  2. Vorrichtung zum Bremsen nach Anspruch 1, dadurch gekennzeichnet, dass jeder Hohlraum (19) auf seiner Wand, auf der das Ausgleichsgewicht (18) im Betriebszustand aufliegt, eine Rippe aufweist, die das distale Ende vom proximalen Ende trennt, wobei auf der Rippe das Ausgleichsgewicht (18) im normalen Betrieb der Tür aufliegt.
  3. Vorrichtung zum Bremsen nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass brechbare Mittel das Ausgleichsgewicht (18) am proximalen Ende des Hohlraums zurückhalten, wobei diese brechbaren Mittel ausgelegt sind, um bei einem anormalen Betrieb der Tür zu brechen, wodurch das Ausgleichsgewicht hin zum proximalen Ende des Hohlraums freigesetzt wird.
  4. Vorrichtung zum Bremsen nach Anspruch 3, dadurch gekennzeichnet, dass die brechbaren Mittel aus einem Draht bestehen, dessen Widerstandskraft ermöglicht, die Zentrifugalkraft aufzunehmen, die auf das Ausgleichsgewicht (18) im Betrieb mit normaler Geschwindigkeit der Welle angewendet wird, aber nicht ermöglicht, die Zentrifugalkraft aufzunehmen, die auf das Ausgleichsgewicht in einem anormalen Betrieb angewendet wird.
  5. Vorrichtung zum Bremsen nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Mittel zum Bremsen eine radial oder axial bewegliche Einheit (11, 25, 31) umfassen, auf die die Ausgleichsgewichte (18) wirken, und eine feste Einheit (23, 29, 35), mit der die bewegliche Einheit durch Reibung und/oder Eingriff in Kontakt treten kann, um die Drehung der Welle zu bremsen.
  6. Vorrichtung zum Bremsen nach Anspruch 5, dadurch gekennzeichnet, dass jeder Hohlraum (19), der ein Ausgleichsgewicht (18) aufnimmt, an seinem distalen Ende einen radial beweglichen Finger (32) aufweist, der eine zurückgezogene Position einnehmen kann, in der der Finger durch eine Feder (33) gehalten wird, oder eine Position einnehmen kann, die unter der Einwirkung eines Drucks durch ein Ausgleichsgewicht (18) hervorsteht, wobei der Finger (32) in der hervorstehenden Position in eine Öffnung (36) eingreifen kann, die in einer festen Krone (35) angeordnet ist.
  7. Vorrichtung zum Bremsen nach Anspruch 5, dadurch gekennzeichnet, dass jeder Hohlraum (19), der ein Ausgleichsgewicht (18) aufnimmt, durch die Wand (20) einer axial beweglichen Einheit (11, 25) zwischen einer Betriebsposition mit normaler Geschwindigkeit, in der die bewegliche Einheit durch elastische Mittel in Richtung des Hohlraums gedrückt wird, und einer Betriebsposition mit einer Geschwindigkeit, die eine vorbestimmte Schwelle übersteigt, in der jedes Ausgleichsgewicht axial die bewegliche Einheit gegen ein festes Element (23, 29) drückt, begrenzt ist.
  8. Vorrichtung zum Bremsen nach Anspruch 7, dadurch gekennzeichnet, dass die bewegliche Einheit (11) auf einer Wand, die ihrer Wand, die hin zum Hohlraum (19) gerichtet ist, gegenüber liegt, mindestens einen Zahn (14) aufweist, der ausgelegt ist, um in einen Zahn (24), der über eine feste Scheibe (23) hinausragt, einzugreifen.
  9. Vorrichtung zum Bremsen nach Anspruch 8, dadurch gekennzeichnet, dass sich die Zähne (14, 24) der beweglichen Einheit und die Zähne der festen Scheibe in Hinterschneidung befinden und sich nach ihrem Eingriff nur durch umgekehrte Drehung der Welle lösen.
  10. Vorrichtung zum Bremsen nach Anspruch 5, dadurch gekennzeichnet, dass die axial bewegliche Einheit (25) auf ihrer Wand, die ihrer Wand gegenüber liegt, jedem Hohlraum zugewandt, einen konvergierenden kegelstumpfartigen Ring (26) aufweist, worauf mindestens ein drehender Hebel (27) aufliegt, der an seinem freien Ende einen Haken (30) aufweist, wobei sich der Hebel (27) zwischen einer Betriebsposition mit normaler Geschwindigkeit der Welle und einer Betriebsposition mit einer Geschwindigkeit der Welle, die eine vorbestimmte Schwelle übersteigt, drehen kann, in der der kegelstumpfartige Ring auf jedem Hebel (27) aufliegt, um ihn drehen zu lassen, bis er eine feste Stange (29) einhakt.
  11. Vorrichtung zum Bremsen nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass die axial bewegliche Einheit (11, 25) auf ihrer Wand, die ihrer Wand gegenüber liegt, dem Hohlraum zugewandt, einen Besatz aufweist, um die Drehung gegen ein festes Element durch Reibung zu bremsen.
  12. Vorrichtung zum Bremsen nach einem der Ansprüche 7 bis 11, dadurch gekennzeichnet, dass sie ein lineares Kugellager (16) umfasst, das ermöglicht, die bewegliche Einheit (11, 25) mit Bezug auf die Achse gleiten zu lassen.
  13. Vorrichtung zum Bremsen nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass sie Verbindungsmittel mit einer Steuereinheit umfasst, die ermöglicht, eine Auslösung der Vorrichtung zu verschieben.
EP06709229.6A 2005-02-02 2006-02-02 Vorrichtung zum bremsen der drehung der antriebswelle eines blattes einer hochgeschwindigkeitstür Not-in-force EP1844210B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0501036A FR2881464A1 (fr) 2005-02-02 2005-02-02 Porte rapide avec dispositif de freinage
FR0501628A FR2881465B1 (fr) 2005-02-02 2005-02-17 Dispositif de freinage de la rotation d'un arbre d'entrainement du tablier d'une porte rapide
PCT/FR2006/000237 WO2006082319A1 (fr) 2005-02-02 2006-02-02 Dispositif de freinage de la rotation d’un arbre d’entrainement du tablier d’une porte rapide

Publications (2)

Publication Number Publication Date
EP1844210A1 EP1844210A1 (de) 2007-10-17
EP1844210B1 true EP1844210B1 (de) 2015-01-07

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EP06709229.6A Not-in-force EP1844210B1 (de) 2005-02-02 2006-02-02 Vorrichtung zum bremsen der drehung der antriebswelle eines blattes einer hochgeschwindigkeitstür

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US (1) US20080134582A1 (de)
EP (1) EP1844210B1 (de)
WO (1) WO2006082319A1 (de)

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TWI494500B (zh) * 2013-10-14 2015-08-01 Unidirectional centrifugal mechanism of door machine
KR101509548B1 (ko) 2013-12-13 2015-04-07 한국철도기술연구원 브레이크 디스크의 진동 및 소음 저감 장치

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JPS5520815A (en) * 1978-07-31 1980-02-14 Metako Kigyo Kk Rolled screen
GB2034834B (en) * 1978-10-17 1982-11-10 Powell R E Disc brake assemblies
CA2393866A1 (en) * 2002-07-17 2004-01-17 Normand Savard Integrated bracket ratchet system

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US20080134582A1 (en) 2008-06-12
WO2006082319A1 (fr) 2006-08-10
EP1844210A1 (de) 2007-10-17

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