EP0410299B1 - Dispositif de verrouillage et tourniquet pourvu d'un tel dispositif - Google Patents

Dispositif de verrouillage et tourniquet pourvu d'un tel dispositif Download PDF

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Publication number
EP0410299B1
EP0410299B1 EP90113822A EP90113822A EP0410299B1 EP 0410299 B1 EP0410299 B1 EP 0410299B1 EP 90113822 A EP90113822 A EP 90113822A EP 90113822 A EP90113822 A EP 90113822A EP 0410299 B1 EP0410299 B1 EP 0410299B1
Authority
EP
European Patent Office
Prior art keywords
shaft
turnstile
brake
locking
rotation
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
EP90113822A
Other languages
German (de)
English (en)
Other versions
EP0410299A1 (fr
Inventor
Axel Bäthge
Kurt Müller
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.)
Malkmus-Dornemann Carola Dr
Original Assignee
Malkmus-Dornemann Carola Dr
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 Malkmus-Dornemann Carola Dr filed Critical Malkmus-Dornemann Carola Dr
Publication of EP0410299A1 publication Critical patent/EP0410299A1/fr
Application granted granted Critical
Publication of EP0410299B1 publication Critical patent/EP0410299B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E06B11/00—Means for allowing passage through fences, barriers or the like, e.g. stiles
    • E06B11/08—Turnstiles; Gates for control of entry or exit of persons, e.g. in supermarkets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/02—Suspension arrangements for wings for revolving 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
    • 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
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors
    • 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
    • E05Y2900/40—Application of doors, windows, wings or fittings thereof for gates

Definitions

  • the invention relates to a locking device for controllable, direction-dependent locking or blocking of the rotational movement of an element, in particular a turnstile, the movement of which is to be locked or blocked depending on the direction, a shaft being coaxially surrounded by two oppositely locking freewheels, each of which a part is secured against rotation is connected to the shaft and the other part, which can only be rotated in one direction of rotation about the shaft, can be prevented or released in its rotation by means of a braking device.
  • an electrically controllable locking device for a turnstile security gate in which a locking shaft is connected to the rotatable parts of two oppositely locking directional locks, each of which can be locked in the freewheeling direction by means of electromagnetically actuated locking devices.
  • the two directional locks are arranged in the form of stepless clamping directional locks coaxially on the locking shaft, with each part of each clamping directional locking device being non-rotatably connected to the locking shaft and the other part of each clamping directional locking device, which can only be rotated in one direction of rotation, is positively rotationally secure, each with an axial movable, designed as an annular disc armature is connected, which forms the movable part of an electromagnetic clutch and from an annular, concentric to Locking shaft fixed in a block housing arranged electromagnet can be locked, which forms the fixed part of the clutch.
  • Another locking device is known from US-A-39 98 008.
  • a locking shaft directly connected to the turnstile arms is in a gear connection via a gear transmission with several gears and tooth gears as well as two counter-rotating directional locks of conventional design.
  • GB-A-21 89 838 recommends using two opposing wrap spring brakes.
  • Turnstiles with controllable locking devices which, in the event of a catastrophe and the like, also allow passage in both directions and without obstructing people passing through, are also known, for example, from EP-A-0 173 830 or DE-A-29 15 190, with Swivel levers and pawls is worked.
  • latch and locking mechanisms wear out over time and require regular maintenance and security checks. This applies in particular if accidental or improper operating errors occur relatively frequently. In addition, they lead to an extraordinarily massive, space-consuming construction, which also leads to a large overall height of the turnstiles.
  • the object of the present invention is therefore to propose a generic locking device and a turnstile using such a locking device, with which an easier cross-passage is made possible without having to forego the advantages.
  • the shaft is a drive shaft which is connected to a drive with reversible direction of rotation, and in that the drive shaft is coupled via a gearbox to another shaft which forms the turnstile shaft.
  • the drive shaft is coupled via a gearbox to another shaft which forms the turnstile shaft.
  • the drive shaft When used in turnstiles, the drive shaft is connected to the turnstile shaft. If the brake device prevents the rotation of the brake shaft, the one-way locking free-wheeling between the brake shaft and the drive shaft also prevents rotation of the drive shaft in one direction, but releases it in the other. This means that the turnstile clears the passage in one direction and blocks it in the other direction. This ensures the normal function that rooms can only be entered through an entrance and exited again through an exit.
  • the brake shaft is released by the braking device so that it can rotate as desired, then the freewheel has no effect and the drive shaft can also rotate in both directions or the drive can act in both directions.
  • the passage in both directions is cleared without obstruction of the people passing through and can be supported accordingly by the motor working in both directions of rotation.
  • Such a facility would be conceivable, for example, for turnstiles that are only supposed to open the passage in one direction at a time and only in the event of disasters allow passage on both sides. Use for example at entrances to supermarkets would be an option.
  • the braking device could be switched so that it releases the rotation of the brake shaft when de-energized.
  • the drivable shaft would be coupled to a rack and pinion drive. If the brake shaft were released, the sliding gate could be opened and closed as required. If the brake shaft were switched on, the sliding gate would still be able to move in one direction, for example in the closing direction, but opening would be effectively prevented.
  • Security doors and gates for example, would be suitable for use, which can normally be opened freely for every user, but can only be closed after a given situation has occurred. In this case, leaving the site could be prevented in areas where there is a risk of security, and conversely entry in the event of a disaster could be prevented.
  • Such locking devices can also be used in occupational safety. With machines, for example, there is occasionally a risk that the operators will still reach in if this is undesirable for safety reasons. As an example, reference should be made to presses in which an operator wants to adjust an object that may not be completely correct. To prevent this, safety flaps or barriers can be installed upstream, which are normally Let it slide freely, but can only be moved in one direction in given situations.
  • the invention provides a type of mechanical rectifier which can be switched off and which only permits movements in one direction.
  • the braking device is able to block rotation in both directions independently of one another.
  • One freewheel is controlled by a brake shaft, the other by another brake shaft.
  • the locking device can perform four different functions.
  • both brake shafts are prevented from rotating, the two oppositely locking freewheels mean that the drivable shaft can no longer be rotated.
  • the element can be moved in one direction, for example the turnstile can be passed in one direction while it is locked in the other direction.
  • the brake shafts are formed by a brake disc which has a central recess through which the drive shaft runs.
  • the fact that the freewheel coaxially surrounds the drive shaft creates a particularly space-saving structure and the requirements can be easily met with the freewheel designs available in large quantities on the market.
  • Such a construction is also particularly reliable and suitable for power transmission.
  • the brake disks offer large contact surfaces on which braking devices can engage.
  • the engagement surface is also arranged in a ring around the drivable shaft that may be to be held, so that a symmetrical holding force also arises.
  • Electromagnetic brakes would preferably be used as the braking device. If the braking device can be actuated electromagnetically, depending on the switching of the electromagnets, the braking effect can take place either when the magnets are energized or when they are de-energized, additional compression springs being able to counteract the electromagnetic forces.
  • the one or one of the braking devices particularly preferably has a magnetic brake that unlocks when de-energized. This means that in the event of a disaster, if Possibly there is a power failure, movement in at least one predetermined direction is possible without problems, for example the turnstile remains easily traversable in at least one predetermined direction. Any rooms that are at risk can be left in this way.
  • the or one of the braking devices has a current-free locking spring pressure brake.
  • a permanent magnet brake would also be an option. With such a construction can be achieved that the entry into certain rooms is prevented when there is no power. For example, these could be burglary-prone rooms.
  • a particularly preferred solution has a de-energizing unlocking brake and a de-energizing locking brake as the braking device.
  • the braking device (s) is preferably controlled by a control device to which external data are supplied by a command generator.
  • the motor drive also ensures a largely uniform angular movement of the turnstile or the locking device from one locked position to the next, and a reliable transfer of the turnstile to the following position.
  • the turnstiles themselves can also be made very solid.
  • a particularly expedient embodiment is achieved if a frequency converter is arranged in the circuit of the motor, to which signals are supplied by the control device.
  • the entire movement sequence of the element can be controlled and adapted to the respective conditions via the frequency converter, for example to take into account the geometry of the movement, for example in turnstiles with an inclined axis of rotation.
  • the circuit of the braking device is also connected to a frequency converter, so that the brake can also be precisely controlled.
  • the frequency converter can be influenced by signals from the control device.
  • Three-phase magnetic motors are motors that are not designed for a specific output, but for a torque at standstill. They are dimensioned electrically so that they can remain switched on in continuous or intermittent operation at nominal voltage with a braked shaft and develop their greatest torque, the so-called standstill torque. These motors are known per se and are mentioned in the form of a three-phase winding motor, for example in DE-C-38 33 787.
  • the turnstile 10 has three brackets 11 which are mounted on a turnstile shaft 12 in a rotationally secure manner.
  • the turnstile shaft 12 is perpendicular, the three brackets 11 each enclose an angle of 120 °.
  • a drive 20 which has a motor 21.
  • the motor 21 drives a drive shaft 22. It is an electric motor 21 with a power supply or voltage source 23, which can also be connected to the motor via a transformer if necessary.
  • the drive shaft 22 leads from the motor 21 to a gearbox 24.
  • the gearbox 24 in the example is an angular gearbox with two bevel gears 25, 26.
  • the bevel gear 25 sits on the drive shaft 22 of the motor 21 and rotates with it.
  • the bevel gear 26 sits securely on the turnstile shaft 12.
  • the motor 21 thus drives the turnstile 10 via the angular gear 24.
  • a worm gear can also be provided, the space requirement of which is particularly small.
  • a control device 30 is also provided.
  • An external command transmitter 34 for example an operator in a control center or an automatic warning function in the event of a catastrophe or a magnetic card reader (not shown) can provide the control device 30 with information. In particular it is determined which of the two possible directions of rotation of the turnstile 10 is to be operated as the direction of passage and which as the direction of blocking. In addition, the control device 30 can give information about its operating state to the outside in signal lamps 35 or other display devices.
  • control device 30 actuates the braking devices 40 and 41. These are addressed via lines 43, 44.
  • the braking devices 40 and 41 each have a brake shaft 45 and 46, respectively.
  • the brake shafts 45, 46 are formed by brake disks. These brake discs are drilled axially;
  • the drive shaft 22 extends through the centrally arranged bores. Both brake shafts 45, 46 (or brake disks) are therefore arranged in parallel.
  • a freewheel 55, 56 is switched on, which locks on one side.
  • the two freewheels 55, 56 lock in opposite directions; i.e. one of the two freewheels locks clockwise and the other counterclockwise.
  • FIG. 2 A somewhat clearer representation is given in FIG. 2.
  • the brake discs or brake shafts 45 and 46 are prevented or released from their rotation by braking forces, not shown. In the case of the braking device 40, these braking forces are exerted by an electrolessly unlocking magnetic brake and in the case of the braking device 41 by an electrolessly locking spring pressure brake.
  • the control device 30 On the turnstile shaft 12 there is also a switch 50 which outputs further information to the control device 30 via a line 51.
  • the switch 50 provides, inter alia, whether the brackets 11 of the turnstile 10 are currently in one of the locking positions offset by 120 ° to one another. In this way, he determines whether, for example, a crossing process of the turnstile 10 by the person has ended. On the basis of this information, the control device 30 switches off the motor 21.
  • the function of the turnstile 10 is as follows:
  • the two braking devices 40, 41 would automatically be set as in the “starting” situation according to item 3. Even without a separate actuation of the turnstile, the turnstile could be traversed in the exit direction without motor support.
  • a user standing in the turnstile 10 can stop it against the motor force by hand or by stopping, if, as is preferred, the drive 20 has an electric motor 21 which only is operated with a fraction of its nominal power. However, turning against the released direction is not possible, since the corresponding freewheel would block immediately if attempted.
  • a selector switch (not shown), which also acts on the control device 30 at 34, the operator is able to adjust the turnstile 10 as required so that both the input and the output are used only by authorized persons by the intended command transmitter can be. Only the entrance or only the exit can be reserved for authorized persons and the other generally unblocked direction can be used by everyone.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Claims (9)

  1. Dispositif de verrouillage conçu respectivement pour verrouiller ou bloquer, de manière commandable et dépendant de la direction, le mouvement rotatoire d'un élément, en particulier d'un tourniquet (10) dont le mouvement doit être respectivement verrouillé ou bloqué en fonction de la direction, dispositif dans lequel un arbre (22) est coaxialement entouré par deux accouplements (55, 56) à course libre, provoquant un verrouillage dans des sens opposés, dont une partie considérée est assujettie en rotation à l'arbre (22) et dont l'autre partie considérée, pouvant tourner autour de l'arbre (22) dans un seul sens de rotation, peut être empéchée d'accomplir une rotation ou peut y être autorisée au moyen d'un dispositif de freinage (40, 41), caractérisé par le fait que l'arbre (22) est un arbre menant, relié à un entraînement (20) à sens de rotation reversible ; et par le fait que l'arbre menant (22) est accouplé, par l'intermédiaire d'une transmission (24), à un arbre supplémentaire (12) qui forme l'arbre (12) du tourniquet.
  2. Dispositif de verrouillage selon la revendication 1, caractérisé par le fait que le ou l'un des dispositifs de freinage (40, 41) présente un frein provoquant un déverrouillage sans courant, en particulier un frein magnétique.
  3. Dispositif de verrouillage selon la revendication 1 ou 2, caractérisé par le fait que le ou l'un des dispositifs de freinage (40, 41) présente un frein provoquant un verrouillage sans courant.
  4. Dispositif de verrouillage selon les revendications 2 et 3, caractérisé par le fait qu'un dispositif de freinage présente un frein provoquant un déverrouillage sans courant, notamment un frein magnétique, et l'autre dispositif de freinage présente un frein provoquant un verrouillage sans courant.
  5. Dispositif de verrouillage selon l'une des revendications précédentes, caractérisé par le fait que le(s) dispositif(s) de freinage (40, 41) est/sont commandé(s) par un système de commande (30) auquel des données extérieures, concernant respectivement la direction de verrouillage ou la direction de passage, sont délivrées par un générateur d'instructions (en 34).
  6. Dispositif de verrouillage selon l'une des revendications précédentes, caractérisé par le fait que l'entraînement (20) présente un moteur à champ magnétique rotatif ou un moteur électrique (21), exploité uniquement selon une fraction de sa puissance nominale.
  7. Dispositif de verrouillage selon la revendication 6, caractérisé par la présence, dans le circuit électrique du moteur (21), d'un convertisseur de fréquence auquel des signaux sont appliqués par le système de commande (30).
  8. Dispositif de verrouillage selon l'une des revendications précédentes, caractérisé par la présence d'un dispositif (50) de délivrance de signaux, qui applique au tourniquet (10), lors d'une impulsion motrice dans la direction de passage considérée, un signal électrique actionnant indirectement ou directement le moteur d'entraînement (21).
  9. Dispositif de verrouillage selon la revendication 8, caractérisé par la présence, pour ouvrir le(s) dispositif(s) de freinage (40, 41), d'un interrupteur fonctionnant sans contact et actionnable en se rapprochant du tourniquet (10) dans la direction de passage considérée, ou d'un interrupteur qui est disposé avant le tourniquet dans la direction de passage considérée, et est raccordé à une serrure mécanique ou électronique, notamment actionnable par carte magnétique.
EP90113822A 1989-07-24 1990-07-19 Dispositif de verrouillage et tourniquet pourvu d'un tel dispositif Expired - Lifetime EP0410299B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3924409 1989-07-24
DE3924410 1989-07-24
DE3924409 1989-07-24
DE3924410 1989-07-24

Publications (2)

Publication Number Publication Date
EP0410299A1 EP0410299A1 (fr) 1991-01-30
EP0410299B1 true EP0410299B1 (fr) 1993-12-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP90113822A Expired - Lifetime EP0410299B1 (fr) 1989-07-24 1990-07-19 Dispositif de verrouillage et tourniquet pourvu d'un tel dispositif

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EP (1) EP0410299B1 (fr)
DE (1) DE59003855D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2687664A2 (fr) 2012-07-17 2014-01-22 Wanzl Metallwarenfabrik Gmbh Système d'entrée ou de sortie

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA94606B (en) * 1993-02-04 1994-07-22 Intechn Technologies C C Turnstyle control mechanism

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795075A (en) * 1972-03-15 1974-03-05 Western Data Prod Inc Controllable turnstile
DE2746896C3 (de) * 1977-10-19 1981-09-10 Eugen Gallenschütz, Metallbau KG, 7580 Bühl Elektrisch steuerbare Sperrvorrichtung für eine Drehkreuz-Personenschleuse
DE3831056C1 (fr) * 1988-09-13 1989-09-14 Malkmus-Doernemann, Geb. Doernemann, Carola, Dr., 3320 Salzgitter, De

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2687664A2 (fr) 2012-07-17 2014-01-22 Wanzl Metallwarenfabrik Gmbh Système d'entrée ou de sortie
DE102012106404B4 (de) 2012-07-17 2019-12-12 Wanzl Metallwarenfabrik Gmbh Eingangs- oder Ausgangsanlage

Also Published As

Publication number Publication date
DE59003855D1 (de) 1994-01-27
EP0410299A1 (fr) 1991-01-30

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