EP0670412B1 - Dispositif de sécurité d'objets motorisés à mouvement de montée et de descente - Google Patents

Dispositif de sécurité d'objets motorisés à mouvement de montée et de descente Download PDF

Info

Publication number
EP0670412B1
EP0670412B1 EP95103005A EP95103005A EP0670412B1 EP 0670412 B1 EP0670412 B1 EP 0670412B1 EP 95103005 A EP95103005 A EP 95103005A EP 95103005 A EP95103005 A EP 95103005A EP 0670412 B1 EP0670412 B1 EP 0670412B1
Authority
EP
European Patent Office
Prior art keywords
friction disc
safety device
drive shaft
friction
pressure plates
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.)
Expired - Lifetime
Application number
EP95103005A
Other languages
German (de)
English (en)
Other versions
EP0670412A1 (fr
Inventor
Mirko Krolo
Robert Röcker
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.)
Siemens Geared Motors GmbH
Original Assignee
Flender Himmelwerk GmbH
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 Flender Himmelwerk GmbH filed Critical Flender Himmelwerk GmbH
Publication of EP0670412A1 publication Critical patent/EP0670412A1/fr
Application granted granted Critical
Publication of EP0670412B1 publication Critical patent/EP0670412B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • E06B9/80—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
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • 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
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/80—User interfaces
    • E05Y2400/85—User input means
    • E05Y2400/856—Actuation thereof
    • E05Y2400/858—Actuation thereof by body parts, e.g. by feet
    • E05Y2400/86—Actuation thereof by body parts, e.g. by feet by hand
    • 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 invention relates to a safety device against the Crashing up and down via a drive shaft movable objects, for example roller shutters, according to the generic term of claim 1.
  • the invention is therefore based on the object Safety device against falling, in particular from To create rolling gates that provide reliable protection under Avoiding the disadvantages mentioned above.
  • Friction clutch that applies a braking torque to the Exercises drive shaft for the object moving up and down.
  • At Friction clutches are more gentle when engaging and thus more gentle on the material than when a form fit is used Claw clutch.
  • the pressure part and the friction disc can be attached to the mutual contact surfaces each with a friction lining be provided, which improve the friction and the material protect the friction disc and pressure part.
  • the printed part is from two parallel, limited rotatable against each other Thrust washers formed on their facing each other Pages each have ramp-shaped elevations through when pressing the pressure part against the friction disc relative rotation of the two pressure plates slide along each other and the two pressure plates in apart in the axial direction, which differs from the between the housing and the carrier plate attacking elements and exerted spring force so that generated by the friction clutch Braking torque increased.
  • the two thrust washers are turned and thereby an additional reinforcement of the on the Drive shaft applied braking torque.
  • the printed part of the Friction clutch can under the influence of at least one Electromagnets opposite the carrier plate in the axial direction be slidable against the friction disc and vice versa Direction under tension at least one spring, whereby the power supply of the at least one electromagnet a switching device is controlled, the one Pulse comparison stage includes a first input for a the first pulse train corresponding to the speed of the drive shaft and a second input for a speed of the Drive motor has a corresponding second pulse train and whose output signal is the interruption of the power supply controls.
  • This switching device for the power supply requires little effort and little intervention in one existing drive system, so that even when using this Switching device a subsequent installation of the Belay device presents no difficulties.
  • the friction disc can be used with a circumference Pulse generator ring for generating the speed of the drive shaft corresponding pulse train.
  • Other advantages can be achieved in that the friction disc in the gearbox or Bearing housing of the drive shaft axially displaceable and by the contact pressure of the pressure part of the friction clutch Activation of the safety device can be pressed against the housing can be.
  • the friction disc can advantageously be on the side facing the housing also has a friction lining exhibit. By pressing the friction disc against it stable housings can generate very high pressures Braking torque are recorded. This configuration is suitable is therefore particularly suitable for fall protection systems heavy objects such as roller shutters.
  • Fig. 1 shows a drive shaft 10 one not closer roller shutters shown.
  • the drive shaft 10 is one Insert shaft 11 is introduced, on which a friction disc 12th torsionally rigid, but slidably arranged in the axial direction is.
  • the friction disk 12 forms together with a pressure part 13 a friction clutch. It is both on the printing part 13 and on the side facing the housing 16 in each case provided with a friction lining 14.
  • the printing part 13 has one Carrier plate 15 with which a solenoid 17 is firmly connected is.
  • the solenoid 17 is during normal operation of the Rolltores is energized and holds an anchor plate 18 against the spring force of springs 19 which between the support plate 15 and the Attack anchor plate 18, firmly.
  • the support plate 15 is also a first thrust washer 20 axially by means of pins 21 slidably connected but secured against rotation.
  • the first pressure plate 20 acts with a second pressure plate 22 together, on its front with a friction lining 23 is provided when the safety device is activated comes to rest against the friction lining 14 of the friction disk 12.
  • the Design of the pressure plates 20 and 22 is in Figs. 4 to 7 illustrates.
  • the pressure plate 22 has stop segments 24 on that a rotation of the pressure plate 22 relative to the Limit the pressure plate 20 (Fig. 4).
  • Both pressure plates 20 and 22 also have ramp-shaped elevations 25 and 26, respectively in particular from the sectional images of FIGS. 5 and 7 can be seen on.
  • the surveys 25 and 26 are so shaped that the two pressure plates 20 and 22 in normal operation of the roller shutter form-fit each other and in this position are held by compression springs 27, as shown in Fig. 1 is. In this state is between the friction disc 12 and the Pressure plate 22 has an air gap a, so that the Friction disk 12, the insert shaft 11 and the drive shaft 10 can rotate freely.
  • the carrier plate 15, as in FIG. 2 is shown by sleeves 28 and screws 29 against rotation but is axially displaceably connected to the housing 16 thereby directly on the housing 16.
  • the rotational movement of the plates 20 and 22 leads to the inclined planes 25.1 and 26.1 of the ramp-shaped elevations 25 and 26 until the Stop segments 24 of the pressure plate 22 against the housing 16 in Stop and prevent further rotation.
  • the mutual sliding along the ramp-shaped elevations 25 and 26 results in continued axial compression of the two pressure plates 20 and 22 until the pressure plate 22 with their stop segments 24 abuts the housing 16.
  • the pressure plate 20 becomes axial movement against the carrier plate 15 pressed, whereby between the support plate 15 and the housing 16 a gap is formed and spring assemblies 32 arranged there be compressed and generate an additional braking torque, which decelerates the drive shaft 10 of the roller shutter and stops.
  • Fig. 3 shows a detailed view of a seal between the transmission of the drive shaft 10 and the friction disc 12. It a sealing ring 33 is provided which prevents penetration of Gear oil in the housing area in which the friction disc 12 is arranged to prevent. In the event that the Sealing ring loses its sealing effect, are in front of the sealing ring 33 guide plates 34 are provided, the possibly penetrating oil in the direction of outlet channels 35 in the housing 16 and thus prevent gear oil from getting onto the friction disc and whose function to generate a braking torque on the Can make the drive shaft of the roller shutter ineffective.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Mechanical Operated Clutches (AREA)
  • Motor Power Transmission Devices (AREA)
  • Manipulator (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (7)

  1. Dispositif de sécurité prévenant la retombée d'objets susceptibles d'être levés et abaissés de façon motorisée par l'intermédiaire d'un arbre d'entraínement (10), en particulier de portes roulantes, comprenant :
    un disque de frottement (12), disposé dans un carter de transmission ou de tourillonnement (16) de l'arbre d'entraínement (10) assujetti à rotation de façon fixe à celui-ci,
    des plaques de pressage (20, 22) susceptibles d'être mises en appui contre le disque de frottement (12), maintenues par une plaque support (15) et déplaçables axialement dans la direction du disque de frottement (12) par une plaque d'induit (18) sollicitée élastiquement après mise hors service d'un électro-aimant (17),
       caractérisé en ce que :
    deux plaques de pressage (20, 22) parallèles sont prévues, susceptibles de tourner de façon limitée l'une par rapport à l'autre,
    en ce que les plaques de pressage présentent, sur chacune de leurs surfaces se faisant face, des bossages (25, 26) en forme de rampe lesquels, dans le cas de la rotation relative limitée des deux plaques (20, 22), glissent l'un sur l'autre et pressent les plaques (20, 22) axialement pour les écarter,
    et en ce qu'alors également le carter (16) et la plaque support (15) sont pressés axialement à l'écart l'un de l'autre, malgré l'effet contraire d'un ressort (32).
  2. Dispositif de sécurité selon la revendication 1, caractérisé en ce que l'alimentation électrique de l'électro-aimant (17) est commandée par un dispositif de commutation qui comprend un étage de comparaison d'impulsions lequel présente une première entrée destinée à une première suite d'impulsions correspondant à la vitesse de rotation de l'arbre d'entraínement (10) et une deuxième entrée destinée à une deuxième suite d'impulsions correspondant à la vitesse de rotation d'un moteur d'entraínement et dont le signal de sortie commande l'interruption de l'alimentation électrique.
  3. Dispositif de sécurité selon la revendication 2, caractérisé en ce que le disque de frottement (12) est pourvu sur sa périphérie d'un anneau de capteur d'impulsions (31) destiné à générer la suite d'impulsions correspondant à la vitesse de rotation de l'arbre d'entraínement (10).
  4. Dispositif de sécurité selon l'une des revendications 1 à 3, caractérisé en ce que le disque de frottement (12) et la plaque (22) tournée vers celui-ci sont pourvus sur les surfaces de contact mutuelles, et respectivement, d'une garniture (14, 23).
  5. Dispositif de sécurité selon l'une des revendications 1 à 4, caractérisé en ce que le disque de frottement (12) se déplace axialement dans le carter de transmission ou de tourillonnement (16) de l'arbre d'entraínement (10).
  6. Dispositif de sécurité selon la revendication 5, caractérisé en ce que le disque de frottement (12) présente également une garniture sur la face tournée vers le carter (16).
  7. Dispositif de sécurité selon la revendication 5 ou la revendication 6, caractérisé en ce que, entre le carter (16) et le disque de frottement (12), sont disposés un joint d'étanchéité (33) ainsi que des tôles de guidage (34) destinées à évacuer vers des ouvertures (35) prévues à cette fin dans le carter (16) l'huile de transmission ayant, le cas échéant, pénétré en passant à travers le joint d'étanchéité (33).
EP95103005A 1994-03-05 1995-03-02 Dispositif de sécurité d'objets motorisés à mouvement de montée et de descente Expired - Lifetime EP0670412B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4407416 1994-03-05
DE4407416A DE4407416C2 (de) 1994-03-05 1994-03-05 Sicherungsvorrichtung gegen den Absturz von motorisch auf- und abbewegbaren Objekten

Publications (2)

Publication Number Publication Date
EP0670412A1 EP0670412A1 (fr) 1995-09-06
EP0670412B1 true EP0670412B1 (fr) 1998-05-13

Family

ID=6511984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95103005A Expired - Lifetime EP0670412B1 (fr) 1994-03-05 1995-03-02 Dispositif de sécurité d'objets motorisés à mouvement de montée et de descente

Country Status (7)

Country Link
US (1) US5551535A (fr)
EP (1) EP0670412B1 (fr)
AT (1) ATE166132T1 (fr)
CZ (1) CZ57195A3 (fr)
DE (2) DE4407416C2 (fr)
DK (1) DK0670412T3 (fr)
ES (1) ES2117313T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6336357B1 (en) 1999-03-15 2002-01-08 Henry Pawlowski Method and apparatus for sealing test materials
DE102010030313A1 (de) * 2010-06-21 2011-12-22 Becker-Antriebe Gmbh Antriebsvorrichtung für Rolltore
TW201443331A (zh) * 2013-05-13 2014-11-16 zhong-xian Xie 用於電動捲門之門片防墜落裝置
HUE041690T2 (hu) 2016-06-28 2019-05-28 Gabrijel Rejc Motorikus mûködtetésû és függõlegesen mozgatható emelõkapu
PL3263819T3 (pl) 2016-06-28 2019-06-28 Gabrijel Rejc Ruchoma pionowo brama ze skrzydłem bramy
DE102016225079A1 (de) * 2016-12-15 2018-06-21 Gabrijel Rejc Gmbh & Co. Kg Tor mit einer Absturzsicherung
US20230193689A1 (en) * 2021-12-20 2023-06-22 Cornellcookson, Llc Operator governor release for fire shutters

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7046832U (de) * 1971-04-08 Cordel L Gesperre mit Bremse
DE1683651A1 (de) * 1951-01-28 1972-03-09 Rolf Machill Fallsicherung fuer Rolladen,Rolltore od.dgl.
DE6607587U (de) * 1968-04-13 1971-04-01 Muehleissen Mbh Maschf Absturzsicherung fuer auf- und abbewegliche vorrichtungen, wie rolladen, rollgitter, hubtore od. dgl.
US3853167A (en) * 1973-08-01 1974-12-10 Cookson Co Rolling door operating mechanism
FR2270193A1 (en) * 1974-05-08 1975-12-05 Covemat Haulage or lifting mechanism with automatic brake - has hand operated secondary shaft releasing brake
DE2542801A1 (de) * 1974-09-26 1976-04-15 Franz Ing Mewald Absturzsicherung
DE2503238A1 (de) * 1975-01-27 1976-07-29 Greschbach Stahlbau Abrollsicherung fuer elektromotorisch betaetigte rolltore
US4280073A (en) * 1979-03-01 1981-07-21 Facet Enterprises, Inc. Electromagnetically released spring applied friction brake with torque booster
JPS56109934A (en) * 1980-02-04 1981-08-31 Toyota Motor Corp Disc brake
US4445596A (en) * 1981-09-08 1984-05-01 Facet Enterprises, Inc. Electromagnetically released spring applied friction brake with torque booster and driving force distributor
DE3325750A1 (de) * 1983-07-16 1985-01-24 GfA - Antriebstechnik GmbH, 4000 Düsseldorf Fangvorrichtung fuer heb- und senkbare lasten
SE453422B (sv) * 1986-09-15 1988-02-01 Skf Nova Ab Tetning av axel vid lager eller veggenomgang forsedd med radiellt riktade skovlar
US4852890A (en) * 1988-02-03 1989-08-01 Garlock Inc. Rotary shaft bearing isolator seal
FI85907C (fi) * 1990-03-13 1992-06-10 Kone Oy Elektromagnetisk broms.
US5035436A (en) * 1990-04-24 1991-07-30 Five Star Seal Corporation Housing seal chamber body

Also Published As

Publication number Publication date
DE4407416C2 (de) 1996-02-01
DE4407416A1 (de) 1995-09-28
US5551535A (en) 1996-09-03
ES2117313T3 (es) 1998-08-01
CZ57195A3 (en) 1995-12-13
DE59502142D1 (de) 1998-06-18
EP0670412A1 (fr) 1995-09-06
ATE166132T1 (de) 1998-05-15
DK0670412T3 (da) 1999-06-23

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