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WO1990008875A1 - Tourniquet - Google Patents

Tourniquet Download PDF

Info

Publication number
WO1990008875A1
WO1990008875A1 PCT/AT1990/000004 AT9000004W WO9008875A1 WO 1990008875 A1 WO1990008875 A1 WO 1990008875A1 AT 9000004 W AT9000004 W AT 9000004W WO 9008875 A1 WO9008875 A1 WO 9008875A1
Authority
WO
WIPO (PCT)
Prior art keywords
brake
rotation
locking
turnstile
turntable
Prior art date
Application number
PCT/AT1990/000004
Other languages
German (de)
English (en)
Inventor
Kurt Wallerstorfer
Original Assignee
Skidata Computer Gesellschaft M.B.H.
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 Skidata Computer Gesellschaft M.B.H. filed Critical Skidata Computer Gesellschaft M.B.H.
Priority to DE9090901719T priority Critical patent/DE59001865D1/de
Publication of WO1990008875A1 publication Critical patent/WO1990008875A1/fr

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
    • 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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/10—Movable barriers with registering means

Definitions

  • the invention relates to a turnstile for the cyclical release of a passage, which is optionally equipped with a counter or control system or the like, with a turntable, which has a shaft mounted in a housing and a plurality of locking arms, with a latching device, by means of which the turntable can be blocked, with a device for preventing unauthorized rotation of the locking arms from each locking position, and with a device for detecting the rotary angle, which urges the latching device to engage when the locking position of each locking arm is reached.
  • Turnstiles of this type at entrances are usually designed with three or four bars and can be rotated about an oblique or vertical axis.
  • turnstiles with an inclined axis are installed in particular when a plurality of passageways are provided side by side, since the locking arms which are not required protrude downward through the inclined axis. Since they are usually connected to counting or control devices, the turnstile is always locked when one of its locking arms is perpendicular to the through lane, and is only released for rotation into the following locked position after validation or checking of an access card.
  • the angle of rotation which is dependent on the number of locking arms, is predetermined by a disc provided with locking recesses into which a spring-loaded cam engages.
  • a disc provided with locking recesses into which a spring-loaded cam engages.
  • turnstiles generally being rotated by the person passing through body contact.
  • the counter-rotation is blocked by a directional coupling, so that the turnstiles must have a construction that can withstand the accidental or willful overload.
  • the Possibility of a so-called panic switch that is to say disengagement in an emergency, can be provided.
  • the invention has now set itself the task of creating a turnstile of the type mentioned in a simple construction which is sufficient for a normal operation, but which nevertheless excludes unauthorized rotation, especially under high overload.
  • the turnstile comprises a device assigned to the turntable for detecting the direction of rotation, a torsionally flexible coupling arranged between the turntable and the latching device and a control device which, depending on the signals from the angle of rotation detection device and the direction of rotation detection device activates the latching device.
  • the locking device When the rotation into the following locking position is permitted, the locking device is inactive and it is only activated when the rotation of the turntable is determined by an angle which is derived from the number of locking arms.
  • the incident locking device only fixes the blocking position, from which the further rotation, possibly permitted by the counting or control system, is determined by removing the locking device by means of the rotation detection device and by means of the
  • the rotation angle detection device can have a conventional shaft-fixed disk with locking recesses and a spring-loaded cam which engages in a locking recess in any locking position.
  • the direction of rotation detection device can also have the simplest mechanical elements, in that, for example, a gear wheel serves as the direction of rotation sensor and a locking pawl serves as the direction of rotation sensor, which pawls in the permitted direction when twisted, but in the opposite direction when twisted their bearing or their holder is loaded.
  • Electronic means permit a preferred embodiment, in particular suitable for switchable turnstiles, in which the direction of rotation detection device and / or the rotation angle detection device has a wave-fixed marking disk and an optical rotation sensor which is connected to the control device.
  • the latching device can have a brake assigned to the turntable, which is only activated when the rotation is unauthorized and is only delayed due to the torsionally flexible coupling.
  • a preferred embodiment further provides that the brake is provided with a brake booster which becomes effective after detection of an unauthorized rotation.
  • a brake provided with a brake booster since it is not integrated in the normal operating mode, can also be designed to exert extremely high braking forces.
  • a preferred embodiment of the turnstile according to the invention can consist in the latching device cooperating with a gearwheel which can be rotated loosely on the shaft and which is connected via the torsionally flexible coupling to a shaft-fixed disk, and at least one with the gearwheel in the locked position Has ratchet tooth.
  • the shaft-fixed disk can also act as a rotation sensor at the same time, since it rotates due to the torsionally flexible coupling when the turntable is rotated without permission.
  • the ratchet tooth can be a tooth of a lockable pinion meshing with the gear wheel, the locking of which fixes the loosely rotatable gear wheel.
  • the electronic detection means for the unauthorized rotation can excite the magnetic brake or block the motor, which, since finally the brake prevents the unauthorized rotation, can be dimensioned very small. If a motor is used, it can also take over the desired rotation into each subsequent blocking position, so that the turnstile is not driven by the people passing through.
  • the latching device has a shaft-fixed gear and at least one locking tooth which is connected to the gear in the locked position and which is connected to the brake.
  • the locking tooth holder being loaded directly or via the torsionally flexible coupling.
  • the brake can in particular be designed as a disk brake which has a brake disk fixed to the housing and an axially displaceable brake disk in the release position of the loin.
  • the two brake disks preferably surround the shaft of the turntable.
  • the gearwheel rotates as long as it is not blocked by the ratchet tooth, via the torsionally strong coupling with the shaft-fixed disc.
  • the torsionally flexible coupling has the displaceable in at least one Brake disc axially acting driver is used, which is mounted in the loosely rotatable gear axially displaceable.
  • the torsionally flexible coupling has at least one rolling element and, in each coupling part, one recess per rolling element with increasing rolling surfaces, each rolling element lying in the lowest position in the two recesses when the brake is released.
  • balls can be used as rolling elements. The formation of the rolling surfaces determines the point in time and the extent of the brake force amplification.
  • the torsionally elastic coupling can also be provided in a slide bearing of the axially displaceable brake disk having inclined surfaces.
  • the inclined surfaces can be formed, for example, in the form of screw flights, the pitch of which can increase if the braking force is to be increased.
  • FIG. 1 shows schematically a two-lane passage with a control system
  • FIG. 2 shows a schematic longitudinal section through a preferred first embodiment of the turnstile
  • FIG. 3 shows a schematic cross section through the embodiment according to FIG 4
  • 5 and 6 are longitudinal sections through a further three exemplary embodiments of the turnstile
  • FIG. 7 is a plan view of the embodiment according to FIG. 6th
  • Turnstiles 1 are provided in accordance with FIG. 1 on passage locks for their cyclical release in a predetermined, possibly also reversible passage direction and are usually equipped with a control or counting system 2.
  • Each turnstile 1 has a housing 6 and three or four locking arms 4 protruding from a turntable 3, each of which is locked in a locking position blocking the passage track and can be rotated into the following locking position.
  • the turntable 3 is arranged outside the housing 6 on a shaft 5 mounted in a bearing 40 of the housing 6.
  • the turnstile 1 is held in each locked position by a latching device 10, which is assigned to the turntable 3 via a torsionally flexible coupling 8.
  • the locking device 10 is activated via a control device, which releases the turntable 3 when rotation is permitted up to the following locked position. Due to the torsionally flexible coupling 8, a slight rotation of the turntable 3 is possible even when the latching device 10 is activated.
  • a disk 22 and a disk 37 which could also be part of the disk 22, are arranged on the shaft 5 of the turntable 3 in a rotationally fixed manner. Furthermore, on the shaft 5 between the shaft-fixed disk 22 and the shaft bearing 40, a toothed wheel 16 and an axially displaceable brake disk 28 can be rotated loosely and a brake disk 30 fixed to the housing, the two brake disks 28 and 30 forming the brake 9, which is acted upon by a spring 29 supported on the housing 6 in the release position.
  • the freely rotatable toothed wheel 16 is provided with at least one axis-parallel opening, in each of which a second part of a torsionally flexible coupling 8 forming a slave 26 is slidably mounted.
  • a recess is formed on the receiver 26, which has rolling surfaces 24 rising in the shape of a shell.
  • the first part of the torsionally flexible coupling 8 is inserted into an axially parallel recess or opening in the disk 22 and likewise has a depression on the underside with increasing rolling surfaces 24.
  • a roller 23 is arranged between the rolling surfaces 24 of the two hitch beings 25, 26, a roller 23, in particular as shown.
  • the spring 29 presses against the axially displaceable brake disk 28, which is supported via the elastic coupling 8 on the shaft-fixed disk 22 or the disk 37, which is fixed axially on the shaft 5 by means of the nuts shown.
  • the elastic coupling 8 can have a plurality of coupling parts 25, 26 distributed all around, between which rolling elements 23 are enclosed.
  • Each roller body 23 is held in the deepest position in the recesses by the spring 29, so that each relative rotation of the shaft-fixed disk 22 and the gear wheel 16 is axial Displacement of the brake disc 28 has the effect that the rolling bodies 23 roll on the rising rolling surfaces 24.
  • the disc 37 has locking recesses 12 on the circumference
  • Rotation angle detection device 11 which further comprises a cam formed by a roller 13, which is arranged on a pivot arm 14 acted upon by a spring 15.
  • Each locking position corresponds to the locking position of a locking arm 4 (FIG. 1).
  • the gearwheel 16 meshes with a pinion 19 which is arranged on a shaft 33 mounted in the housing 6 and with which a magnetic brake 34 excited in the blocking position is associated with the latching device 10.
  • the gear 16 and the axially displaceable brake disk 28 are also rotated via the elastic coupling 8, only the very small adjustable counter position of the rotary switch detection device 11 must be overcome.
  • the Rastwi resistance can also be switched off by lifting the swivel arm 14.
  • a marking disk 31 is fixed above the disk 37, which acts as a direction indicator of the direction of rotation detection device 7.
  • the rotation of the turntable 3 and thus of the marking disk 31 is optically recognized by a rotary sensor 32, for example, the magnetic brake 34 is released via the control elec tronic k when the turnstile 1 is allowed to turn, but remains at an un ⁇ permitted rotation excited.
  • the magnetic brake 34 therefore blocks the gear wheel 16 via the shaft 33 and the pinion 19, the teeth of the pinion 19 acting as locking teeth 18 (FIG. 3).
  • the magnetic brake 34 therefore only serves as a trigger and actuator for which the torsionally elastic see clutch 8 engaging brake 9.
  • the gear wheel 16 rotates relative to the shaft-fixed disk 22, as a result of which the rolling bodies 23 roll along the rolling surfaces 24 on the coupling parts 25 and 26 and from their lowest position other.
  • the turnstile comprises a turntable 3 with locking arms 4, a shaft 5 mounted in the housing 6, on which a disk 22 is fixed, and a loosely rotatable gearwheel 16 which can be rotated with the shaft-fixed disk 22 via the torsionally flexible coupling 8.
  • the clutch 8 consists of at least one rolling element 23 arranged in the recesses of the disk 22 and the gear 16.
  • a spring-loaded pawl 20 has at least one locking tooth 18 engaging in the gear 16 and can be pivoted about an axis 21 fixed to the housing.
  • the pawl 20 can preferably be used in both directions of rotation, so that the counter-rotation can optionally be blocked, and can be fixed in a position disengaged from the gearwheel for the pivoting of the turnstile.
  • the gear 16 is also axially displaceable and is under the action of a Spring 29, which is compressible in a receiving space 36.
  • a brake disk 28 or a brake lining is provided on the underside of the gearwheel 16, and the brake disk 30 fixed to the housing is fixed to the housing 6. In the direction of rotation released by the pawl 20, the turnstile can therefore be rotated without any significant resistance, while the unauthorized counter-rotation of the gear 16 is blocked.
  • the counter-rotation of the shaft-fixed disk 22 is still possible over a small swivel angle, the rolling bodies of the torsionally flexible coupling 8 rolling from their lowest positions on the rolling surfaces.
  • the gear wheel 16 carrying the brake disk 28 is pressed downward against the brake disk 30.
  • the toothed wheel 16 thus also acts as a rotary encoder 31 and the pawl 20 as a direction of rotation sensor 32, since the unauthorized counter-rotation is determined and the brake 9 is activated.
  • the resetting to the normal state takes place by means of the spring 29, via which the torsionally flexible coupling 8 and the shaft-fixed disk 22 are returned to the starting positions.
  • the embodiment according to FIG. 5, which in its essential parts corresponds to the design according to FIG. 4, has a pinion 19 instead of the pawl blocking the gearwheel 16, said pinion being formed on the shaft 33 of a motor 35.
  • the turntable 3 With the help of the motor 35, the turntable 3 is driven in the permitted direction of rotation up to the following blocking position, which is determined via the rotation angle detection device 11. A counter-rotation or unauthorized rotation of the turntable 3 is prevented by the blocked motor 35, so that the brake disk 28 provided on the gearwheel 16 is pressed downward via the torsionally flexible coupling 8. Since the power of the motor 35 can be small for the mere drive, its braking effect can be increased, for example, by a short-circuit circuit when the motor is stopped to overcome the torsionally elastic coupling 8.
  • the Drehwinkelerken ⁇ Vietnamese sewageseinri rect 11 is dabe when the marking plate is at the same time turning asparagusserkennungseinri rect 7 on the shaft 5 is provided 31, which is sensed by the sensor 32nd Its signals control the motor 35 via the control device (not shown).
  • FIG. 6 and 7 show a further purely mechanical embodiment which has a modified design of the torsionally flexible coupling 8.
  • a gear 17 is arranged in a rotationally fixed manner, into which the locking tooth 18 of a locking pawl 20 pivotable about the axis 21 engages.
  • the axis 21 is not fixed to the housing, but is arranged on the axially displaceable brake disc 28.
  • a hollow axis penetrated by the shaft 5 serves as a slide bearing 39 for the brake disc 28, which carries screw-like grooves with inclined surfaces 38. Each groove beginning at the slide bearing 39 bifurcates into two branches, which lead in opposite helical g downwards.
  • a guide pin of the brake disk 28 engages in the initial section of each groove.
  • the counter-rotation n is blocked in one of the two directions, so that when the turntable 3 is acted on in the blocked direction, the axially displaceable brake disk 28 is also rotated.
  • the guide pin engaging in the groove slides into the corresponding branch, so that the brake disk 28 is pressed against the brake disk 30 fixed to the housing by the associated inclined surfaces 38.
  • the return to the upper starting position of the brake disc 28 takes place again by means of the in the recess 36 compressed spring 29.
  • the choice of the direction of passage is made by the corresponding position of the pawl 20, which is disengaged from the gear 17 for the panic position.
  • the torsionally flexible coupling 8 is integrated in the brake 9 and the shaft-fixed gear 17 together with the pawl 20 represents the direction of rotation detection device 7.
  • a rotation angle detection device 11 is not shown for the sake of clarity asked and could include a wave-fixed disc provided with locking recesses and a spring-loaded cam, similar to Fig. 2 to ⁇ .

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Braking Arrangements (AREA)

Abstract

Un tourniquet comprend un disque rotatif (3) qui peut être retenu par un organe d'arrêt (10) dans une position de blocage et un embrayage (8) élastique rotatif agencé entre le disque rotatif (3) et l'organe d'arrêt (10). Le tourniquet comprend en outre un système (11) de reconnaissance de la position angulaire qui enclenche l'organe d'arrêt (10) dans chaque position de blocage et un frein (9) qui ne fonctionne qu'en cas de mise en rotation illicite du tourniquet. Un système (7) de reconnaissance du sens de rotation permet de détecter une mise en rotation illicite même lorsque l'organe d'arrêt (10) est enclenché, grâce à l'embrayage rotatif élastique (8). Lorsque le système (7) de reconnaissance du sens de rotation détecte une mise en rotation autorisée, l'organe d'arrêt (10) est déclenché; par contre en cas de mise en rotation illicite le frein (9) est actionné.
PCT/AT1990/000004 1989-01-26 1990-01-12 Tourniquet WO1990008875A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9090901719T DE59001865D1 (de) 1989-01-26 1990-01-12 Drehkreuz.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0014989A AT390996B (de) 1989-01-26 1989-01-26 Drehkreuz
ATA149/89 1989-01-26

Publications (1)

Publication Number Publication Date
WO1990008875A1 true WO1990008875A1 (fr) 1990-08-09

Family

ID=3482837

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT1990/000004 WO1990008875A1 (fr) 1989-01-26 1990-01-12 Tourniquet

Country Status (3)

Country Link
EP (1) EP0456649B1 (fr)
AT (1) AT390996B (fr)
WO (1) WO1990008875A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993003251A1 (fr) * 1991-08-09 1993-02-18 Skidata Computer Gesellschaft M.B.H. Procede de commande d'un tourniquet et tourniquet commande selon ce procede
FR2709196A1 (fr) * 1993-08-16 1995-02-24 Klein Ets Georges Appareil pour le contrôle de la traversée d'un passage soumis à autorisation.
WO1996000833A1 (fr) * 1994-06-28 1996-01-11 Gunnebo Industrier Ab Mecanisme de retenue pour tourniquets et analogue
WO2000077338A1 (fr) * 1999-05-28 2000-12-21 Gunnebo Entrance Control Ab Tourniquet d'admission
US6617960B1 (en) 1998-02-18 2003-09-09 Teamaxess Ticketing Gmbh Arrangement for controlling access of persons, and access terminal
EP1589186A3 (fr) * 2004-04-21 2006-04-26 Karl Gotschlich Gesellschaft m.b.H Dispositif de contrôle de la rotation d'un tourniquet
WO2007022759A1 (fr) * 2005-08-22 2007-03-01 Magnetic Autocontrol Gmbh Montage d'une plaque rotative
US8079515B2 (en) 2007-05-10 2011-12-20 Axess Ag Access control gate
CN110652104A (zh) * 2018-06-28 2020-01-07 西索股份公司 多功能安装支架

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012106404B4 (de) 2012-07-17 2019-12-12 Wanzl Metallwarenfabrik Gmbh Eingangs- oder Ausgangsanlage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB195305A (en) * 1922-06-07 1923-03-29 Thomas Benjamin Colman Improvements relating to revolving doors
FR1349351A (fr) * 1962-12-04 1964-01-17 Dispositif perfectionné d'accouplement à disques utilisable pour le freinage ou l'embrayage
GB2017845A (en) * 1978-04-03 1979-10-10 Bendix Corp Brake assembly
FR2532985A1 (fr) * 1982-09-14 1984-03-16 Supermarket System Portillon automatique, en particulier pour un passage d'entree dans une surface de vente
GB2186618A (en) * 1986-02-14 1987-08-19 Digital Display Counting Ltd Turnstile
GB2189838A (en) * 1986-04-06 1987-11-04 Alan Mcguinness A control mechanism for a turnstile, and a turnstile

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB195305A (en) * 1922-06-07 1923-03-29 Thomas Benjamin Colman Improvements relating to revolving doors
FR1349351A (fr) * 1962-12-04 1964-01-17 Dispositif perfectionné d'accouplement à disques utilisable pour le freinage ou l'embrayage
GB2017845A (en) * 1978-04-03 1979-10-10 Bendix Corp Brake assembly
FR2532985A1 (fr) * 1982-09-14 1984-03-16 Supermarket System Portillon automatique, en particulier pour un passage d'entree dans une surface de vente
GB2186618A (en) * 1986-02-14 1987-08-19 Digital Display Counting Ltd Turnstile
GB2189838A (en) * 1986-04-06 1987-11-04 Alan Mcguinness A control mechanism for a turnstile, and a turnstile

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993003251A1 (fr) * 1991-08-09 1993-02-18 Skidata Computer Gesellschaft M.B.H. Procede de commande d'un tourniquet et tourniquet commande selon ce procede
US5355630A (en) * 1991-08-09 1994-10-18 Skidata Computer Gesellschaft M.B.H. Procedure for controlling a turnstile and a turnstile controlled by said procedure
FR2709196A1 (fr) * 1993-08-16 1995-02-24 Klein Ets Georges Appareil pour le contrôle de la traversée d'un passage soumis à autorisation.
EP0640741A1 (fr) * 1993-08-16 1995-03-01 Etablissements Georges Klein Appareil pour le contrôle de la traversée d'un passage soumis à autorisation
WO1996000833A1 (fr) * 1994-06-28 1996-01-11 Gunnebo Industrier Ab Mecanisme de retenue pour tourniquets et analogue
US6617960B1 (en) 1998-02-18 2003-09-09 Teamaxess Ticketing Gmbh Arrangement for controlling access of persons, and access terminal
WO2000077338A1 (fr) * 1999-05-28 2000-12-21 Gunnebo Entrance Control Ab Tourniquet d'admission
US6715234B1 (en) 1999-05-28 2004-04-06 Gunnebo Entrance Control Ab Turnstile entry gates
EP1589186A3 (fr) * 2004-04-21 2006-04-26 Karl Gotschlich Gesellschaft m.b.H Dispositif de contrôle de la rotation d'un tourniquet
WO2007022759A1 (fr) * 2005-08-22 2007-03-01 Magnetic Autocontrol Gmbh Montage d'une plaque rotative
US8079515B2 (en) 2007-05-10 2011-12-20 Axess Ag Access control gate
CN110652104A (zh) * 2018-06-28 2020-01-07 西索股份公司 多功能安装支架

Also Published As

Publication number Publication date
EP0456649B1 (fr) 1993-06-23
EP0456649A1 (fr) 1991-11-21
AT390996B (de) 1990-07-25
ATA14989A (de) 1990-01-15

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