EP0829447B1 - Coupling device for landing doors of an elevator - Google Patents

Coupling device for landing doors of an elevator Download PDF

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Publication number
EP0829447B1
EP0829447B1 EP97115088A EP97115088A EP0829447B1 EP 0829447 B1 EP0829447 B1 EP 0829447B1 EP 97115088 A EP97115088 A EP 97115088A EP 97115088 A EP97115088 A EP 97115088A EP 0829447 B1 EP0829447 B1 EP 0829447B1
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EP
European Patent Office
Prior art keywords
entrainer
door
electromagnet
drive
levers
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EP97115088A
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German (de)
French (fr)
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EP0829447A1 (en
Inventor
Heinz-Dieter Nagel
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Inventio AG
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Inventio AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors

Definitions

  • the invention relates to a device for taking Landing doors on lifts, one of which is driven by a door operator actuated car door of the elevator provided an electromagnet is that when the elevator car stops on one floor with one arranged on a shaft door of the elevator Coupling part interacts.
  • French Patent No. 867592 is one Device for taking a shaft door of an elevator become known, the one arranged on the cabin door has two-pole electromagnet. There is a on the landing door perpendicular to this easily slidable coupling part in shape attached to a magnetic armature. With a stop on one The electromagnet is excited on the floor occurring magnetic flux of the armature slightly against the Pole of the electromagnet is moved and moved by one Cabin door that can be operated by door drive take the landing door with you can. In another version, the magnet armature is in one in the direction of travel, on the landing door attached groove and guided by two tension springs in one Middle position held. This arrangement is intended to enable that the doors are already on a Floor can be opened in a drive-in zone.
  • the appropriately long-dimensioned magnet armature shifts here in the vertical groove of the shaft door against the force one tension spring relieving the other until that Floor level is reached. After closing the doors and The magnet armature de-excites the electromagnet Action of the two tension springs in the middle position again.
  • the electromagnet a strong one for the safe taking of the landing door Generate a magnetic field and fasten it to the cabin door be that there is only a relatively small gap between the Electromagnet and the arranged on the landing door Magnetic armature is present. This can cause it to occur dynamic tolerances, e.g. Cabin movements and static tolerances, such as Relocation of buildings when the elevator cars drive past collision between the electromagnets on one floor or a possible cover provided come to a landing door sill. These collisions can lead to Faults in elevator operation and damage to the Guide the device. Because with this device the entrainment a strong magnetic field is only achieved by frictional connection required so that when the electromagnet is excited sudden loads on the shaft doors can occur. Furthermore, because of the tolerances that occur, no optimal, constant air gap between electromagnet and Magnetic armatures are observed.
  • dynamic tolerances e.g. Cabin movements and static tolerances, such as Relocation of buildings when the elevator cars drive past collision between the electromagnets on one floor or a possible cover provided
  • the invention has for its object a device to propose the type mentioned at the beginning mentioned disadvantages are avoided.
  • the electromagnet is preferably on attached to a driver connected to the cabin door. at Activation of the drive is carried out in a vertical direction shifted towards the cabin or shaft door, until a certain air gap between the electromagnet and the coupling part attached to the shaft door has been reached, after which the electromagnet in the driver with the coupling part Intervention.
  • the advantages achieved with the invention can be seen in that the driver can be placed in a rest position may not be in the passage gap between the shaft and Car door threshold protrudes, so that collisions with the Landing door thresholds while the elevator car is moving be avoided.
  • the proposed distance measurement ensures that despite possible tolerances between the shaft and Cabin door always the same optimal air gap for the Electromagnet is reached.
  • the device according to the invention enables the closed cabin door and the one above it usually arranged door operator via the in any position unlockable landing door are freely accessible without the otherwise necessary procedures for decoupling the shaft and cabin doors perform.
  • FIG. 1 denotes an elevator car
  • the one Cabin door 2 actuated by a door drive, not shown has at its lower edge on a Cabin door sill 3 is guided.
  • a landing door 4 is on guided its lower edge on a landing door sill 5, the with one inserted into a wall 7 of an elevator shaft Door frame 6 is connected.
  • a Driver 8 arranged with one on the shaft door 4th attached coupling part 9, as below in the Functional description explained in order to take the Landing door 4 can be engaged.
  • the driver 8 and the coupling part 9, the following with reference to Figures 2 and 3 are described in more detail on the cabin or landing door 2.4 attached that they are shown in the Rest position not in a passage gap DS between Cabin door and landing door sill 3.5 protrude, the Width of the passage gap DS regardless of driver 8 and Coupling part 9 can be dimensioned.
  • the driver 8 has vertically extending Toothings 10 on both sides of one on the driver 8th attached electromagnet 11 are arranged.
  • the teeth 10 for example, a thread-like profile have, while the electromagnet 11, for example with is equipped with a U-shaped or E-shaped core.
  • Guides 12 are provided, which are fixed to a base plate 13 are connected.
  • the guides 12 consist for example of U-profiles, in which 8 attached guide rollers 14 intervene.
  • the base plate 13 via damping body 15th (for example in the form of vibrating metal) by means of screws 16 and rivet nuts 18 attached to a door stiffener 17 are connected to the cabin door 2.
  • damping body 15th for example in the form of vibrating metal
  • rivet nuts 18 attached to a door stiffener 17
  • the cabin door 2 there are two designated 8 attached to the driver.
  • proximity switches are used, which after the capacitive detection principle work and the one signal deliver when a certain distance is reached.
  • a lever arrangement 21 for the displacement of the driver 8 consists of first and second levers 22, 23, which are in the range of upper and lower ends of the driver 8 are provided.
  • the first levers 22 are articulated via supports 24 with the Base plate 13 connected, while the second lever 23 articulated are attached to the driver 8.
  • the free ends of the levers 22, 23 are rotatably connected to one another via a hinge pin 25, the hinge pin 25 of the area of the upper and lower End of the driver 8 arranged lever 22,23 via a Connecting rod 26 are connected to each other.
  • a push rod 28 of a drive 27 rotatably mounted, the articulated with a support 29 Base plate 13 is connected.
  • the drive 27 for example, a servo motor with adjustable Have speed, the push rod 28 by a with it connected rack is linearly displaceable.
  • the coupling part 9 has a vertically extending toothing 30, which is in the form with the teeth 10 of the driver 8 matches.
  • the material of the teeth 10,30 is so coordinated that during a possible Relative movement between driver 8 and coupling part 9 only minimal friction occurs and both parts practical slide into each other without wear.
  • the toothing 30 des Coupling part 9 is in the area of the electromagnet 11 interrupted. In order for horizontal to occur To absorb tolerances between the driver 8 and coupling part 9 the coupling part 9 is wider than in the horizontal direction the driver 8. In the vertical direction, the coupling part 9 and its teeth 30 longer than the driver 8, so that even with different cabin loads and the result resulting displacement of cabin and shaft door 2.4 a secure coupling and driving of the landing door4 guaranteed is.
  • Figure 4 is with 40, for example, from two door leaves 41.42 existing cabin door designated by means of carriages 43,44 and rollers 45 are guided on a running rail 4 6.
  • the Carriers 8 can, for example, in a position A in Area of the carriage 43,44, in a position B to the Door leaves 41.42 at the height of the center of gravity S, or in a position C in the area of a cabin door sill 47 with the door leaves 41, 42 fixedly connected holders 48 attached become. With the arrangement of the driver 8 in the position B can avoid loads on the door leaf 41, 42 by moments become.
  • the shaft door 50 consists, for example, of two Door leaves 51, 52, which are mounted on carriages 53, 54 and rollers 55 a track 56 are performed.
  • the coupling parts 9 can, for example, in a position D in the range of Carriage 53, 54 in position E on door leaves 51, 52 at the center of gravity S, or in a position F in Area below a landing door sill 57 with the Door leaves 51, 52 fixedly connected holders 58 may be arranged.
  • the drive 27 When stopping on a floor, the drive 27 is on the Elevator control activated and the guided in the guides 12 Driver 8 by means of the lever arrangement 21 from the in Fig.1 to 3 shown rest position (Fig. 6, i, time I) perpendicular to the cabin door 2 in the direction of the landing door 4 or Coupling part 9 moved.
  • Fig. 6, i, time I Rest position
  • Distance between driver 8 and coupling part 9 reacts on the driver 8 attached sensor 19, whereupon the speed of the drive 27 and thus also the driver 8 on certain minimum is reduced (Fig. 6, d, g, time II).
  • the Driver 8 now moves with this reduced (also Speed) until a necessary for the function of the electromagnet 11 certain air gap LS between driver 8 and coupling part 9 is reached and the toothings 10.30 overlap (Fig.

Landscapes

  • Elevator Door Apparatuses (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

The lift and shaft doors are coupled together by a magnetic catch comprising an electro-magnet on the lift door and a magnetic anchor (9) on the shaft door. The electro-magnet is mounted on support levers (21) which are operated by a servo drive (27), e.g. an electric motor, to move the electro-magnet between a retracted position and an operating position. This prevents fouling the floor treads at each level. The mating surfaces of the electro-magnetic and the anchor are grooved vertically to provide an improved grip when dragging the shaft door open or closed. The servo drive and lever mounting are adjusted to provide a set air gap between the electro-magnetic and the anchor prior to activating the electro-magnet.

Description

Die Erfindung betrifft eine Vorrichtung zur Mitnahme von Schachttüren bei Aufzügen, wobei an einer von einem Türantr ieb betätigten Kabinentür des Aufzuges ein Elektromagnet vorges ehen ist, der bei einem Halt der Aufzugskabine an einem Stockwerk mit einem an einer Schachttür des Aufzuges angeordneten Kupplungsteil zusammenwirkt.The invention relates to a device for taking Landing doors on lifts, one of which is driven by a door operator actuated car door of the elevator provided an electromagnet is that when the elevator car stops on one floor with one arranged on a shaft door of the elevator Coupling part interacts.

Mit der französischen Patentschrift Nr.867592 ist eine Vorrichtung für die Mitnahme einer Schachttür eines Aufzuges bekannt geworden, die einen an der Kabinentür angeordneten zweipoligen Elektromagnet aufweist. An der Schachttür ist ein senkrecht zu dieser leicht verschiebbares Kupplungsteil in Form eines Magnetankers befestigt. Bei einem Halt auf einem Stockwerk wird der Elektromagnet erregt, wobei aufgrund des auftretenden Magnetflusses der Magnetanker leicht gegen die Pole des Elektromagneten verschoben wird und die durch einem Türantrieb betätigbare Kabinentür die Schachttür mitnehmen kann. Bei einer weiteren Ausführung wird der Magnetanker in einer in Fahrtrichtung verlaufenden, an der Schachttür angebrachten Nut geführt und mittels zweier Zugfedern in einer Mittellage gehalten. Mit dieser Anordnung soll ermöglicht werden, dass die Türen bereits während der Einfahrt auf einem Stockwerk in einer Einfahrzone geöffnet werden können. Der entsprechend lang dimensionierte Magnetanker verschiebt sich hierbei in der senkrechten Nut der Schachttür gegen die Kraft der einen Zugfeder unter Entlastung der anderen bis das Stockwerkniveau erreicht ist. Nach dem Schliessen der Türen und Entregung des Elektromagneten nimmt der Magnetanker unter Einwirkung der beiden Zugfedern wieder die Mittellage ein.French Patent No. 867592 is one Device for taking a shaft door of an elevator become known, the one arranged on the cabin door has two-pole electromagnet. There is a on the landing door perpendicular to this easily slidable coupling part in shape attached to a magnetic armature. With a stop on one The electromagnet is excited on the floor occurring magnetic flux of the armature slightly against the Pole of the electromagnet is moved and moved by one Cabin door that can be operated by door drive take the landing door with you can. In another version, the magnet armature is in one in the direction of travel, on the landing door attached groove and guided by two tension springs in one Middle position held. This arrangement is intended to enable that the doors are already on a Floor can be opened in a drive-in zone. The appropriately long-dimensioned magnet armature shifts here in the vertical groove of the shaft door against the force one tension spring relieving the other until that Floor level is reached. After closing the doors and The magnet armature de-excites the electromagnet Action of the two tension springs in the middle position again.

Bei vorstehend beschriebener Vorrichtung muss der Elektromagnet aus Gründen der sicheren Mitnahme der Schachttür ein starkes Magnetfeld erzeugen und derart an der Kabinentür befestigt sein, dass nur ein relativ kleiner Spalt zwischen dem Elektromagnet und dem an der Schachttür angeordneten Magnetanker vorhanden ist. Dadurch kann es bei Auftreten dynamischer Toleranzen, wie z.B. Kabinenbewegungen und statischer Toleranzen, wie beispielsweise Gebäudeverschiebungen, bei der Vorbeifahrt der Aufzugskabinen an einem Stockwerk zu Kollisionen zwischen dem Elektromagneten bzw. einer möglicherweise vorgesehenen Abdeckung desselben mit einer Schachttürschwelle kommen. Diese Kollisionen können zu Störungen des Aufzugsbetriebes und zu Beschädigungen der Vorrichtung führen. Da bei dieser Vorrichtung die Mitnahme lediglich durch Kraftschluss erfolgt ist ein starkes Magnetfeld erforderlich, so dass bei Erregung des Elektromagneten schlagartige Belastungen der Schachttüren auftreten können. Weiterhin kann wegen der auftretenden Toleranzen kein optimaler, konstanter Luftspalt zwischen Elektromagnet und Magnetanker eingehalten werden.With the device described above, the electromagnet a strong one for the safe taking of the landing door Generate a magnetic field and fasten it to the cabin door be that there is only a relatively small gap between the Electromagnet and the arranged on the landing door Magnetic armature is present. This can cause it to occur dynamic tolerances, e.g. Cabin movements and static tolerances, such as Relocation of buildings when the elevator cars drive past collision between the electromagnets on one floor or a possible cover provided come to a landing door sill. These collisions can lead to Faults in elevator operation and damage to the Guide the device. Because with this device the entrainment a strong magnetic field is only achieved by frictional connection required so that when the electromagnet is excited sudden loads on the shaft doors can occur. Furthermore, because of the tolerances that occur, no optimal, constant air gap between electromagnet and Magnetic armatures are observed.

Der Erfindung liegt die Aufgabe zugrunde eine Vorrichtung der eingangs genannten Art vorzuschlagen, bei der vorstehend genannte Nachteile vermieden werden.The invention has for its object a device to propose the type mentioned at the beginning mentioned disadvantages are avoided.

Diese Aufgabe wird durch die im Patentanspruch 1 angegebene Erfindung gelöst. Hierbei ist der Elektromagnet vorzugsweise an einem mit der Kabinentür verbundenen Mitnehmer befestigt. Bei Aktivierung des Antriebs wird der Mitnehmer in einer senkrecht zur Kabinen- bzw.Schachttür verlaufenden Richtung verschoben, bis ein bestimmter Luftspalt zwischen dem Elektromagneten und dem an der Schachttür angebrachten Kupplungsteil erreicht ist, wonach der Elektromagnet den Mitnehmer mit dem Kupplungsteil in Eingriff bringt.This object is achieved by the specified in claim 1 Invention solved. The electromagnet is preferably on attached to a driver connected to the cabin door. at Activation of the drive is carried out in a vertical direction shifted towards the cabin or shaft door, until a certain air gap between the electromagnet and the coupling part attached to the shaft door has been reached, after which the electromagnet in the driver with the coupling part Intervention.

Die mit der Erfindung erzielten Vorteile sind darin zu sehen, dass der Mitnehmer in einer Ruheposition so plaziert werden kann, dass er nicht in den Durchfahrtspalt zwischen Schachtund Kabinentürschwelle hineinragt, so dass Kollisionen mit den Schachttürschwellen während der Fahrt der Aufzugskabine vermieden werden. Dabei ist die erfindungsgsmässe Vorrichtung derart konzipiert, dass der Durchfahrtspalt den jeweiligen Gegebenheiten einer Aufzugsanlage optimal angepasst werden kann. Die vorgeschlagene Abstandsmessung gewährleistet, dass trotz möglicherweise auftretender Toleranzen zwischen Schachtund Kabinentür immer der gleiche optimale Luftspalt für den Elektromagneten erreicht wird. Durch die Verzahnung des Mitnehmers und des Kupplungsteiles wird eine durch den kraftschlüssig wirkenden Elektromagneten unterstützte formschlüssige Kopplung erreicht, ohne dass Anpresskräfte auf die Schachttür übertragen werden. Mit den senkrecht verlaufenden Verzahnungen wird weiterhin erreicht, dass bei unterschiedlichen Beladezuständen der Aufzugskabine und den daraus resultierenden unterschiedlichen Positionen der Kabinen-und Schachttür diese Positionen beim Koppelvorgang fixiert und während der Türbewegung beibehalten werden. Ein weiterer Vorteil ist darin zu sehen, dass der Abstand zwischen Mitnehmer und Kupplungsteil derart festgelegt werden kann, dass die Schachttür über die vorgeschriebene Notentriegelung unabhängig von der Position der Kabinentür geöffnet werden kann. Die erfindungsgemässe Vorrichtung ermöglicht es, dass die geschlossene Kabinentür und der darüber üblicherweise angeordnete Türantrieb über die in einer beliebigen Position entriegelbare Schachttür frei zugänglich sind, ohne das sonst notwendige Verfahren zum Entkoppeln von Schacht- und Kabinentür durchzuführen.The advantages achieved with the invention can be seen in that the driver can be placed in a rest position may not be in the passage gap between the shaft and Car door threshold protrudes, so that collisions with the Landing door thresholds while the elevator car is moving be avoided. The device according to the invention designed in such a way that the passage gap corresponds to the respective Conditions of an elevator system can be optimally adapted can. The proposed distance measurement ensures that despite possible tolerances between the shaft and Cabin door always the same optimal air gap for the Electromagnet is reached. By interlocking the Driver and the coupling part is one by the non-positive electromagnet supported positive coupling achieved without contact pressure the landing door are transmitted. With the vertical running gears is still achieved that at different loading conditions of the elevator car and the resulting different positions of the cabin and Landing door fixes these positions during the coupling process and be maintained during door movement. Another The advantage is that the distance between the driver and coupling part can be set such that the Landing door independent via the prescribed emergency release can be opened from the position of the cabin door. The The device according to the invention enables the closed cabin door and the one above it usually arranged door operator via the in any position unlockable landing door are freely accessible without the otherwise necessary procedures for decoupling the shaft and cabin doors perform.

Im folgenden wird die Erfindung anhand eines Ausführungsbeispieles im Zusammenhang mit der Zeichnung näher erläutert. Es zeigen:

Fig.1
einen Horizontal-Querschnitt einer Auf zugskabine mit der erfindungsgemässen Vorrichtung in vereinfachter Darstellung,
Fig.2
eine Seitenansicht der Vorrichtung in gegenüber der Fig.1 vergrössertem Massstab in verreinfachter Darstellung,
Fig.3
eine Draufsicht der Vorrichtung in gegenüber der Fig.1 vergrössertem Massstab in vereinfachter Darstellung,
Fig.4
eine Ansicht einer Kabinentür mit einem Mitnehmer der Vorrichtung in drei verschiedenen Positionen in schematischer Darstellung,
Fig.5
eine Ansicht einer Schachttür mit einem Kupplungsteil der Vorrichtung in drei verschied enen Positionen in schematischer Darstellung, und
Fig.6
ein Funktionsdiagramm der Vorrichtung.
The invention is explained in more detail below using an exemplary embodiment in conjunction with the drawing. Show it:
Fig.1
2 shows a horizontal cross section of a lift cabin with the device according to the invention in a simplified representation,
Fig.2
2 shows a side view of the device on a larger scale compared to FIG. 1, in a simplified representation,
Figure 3
2 shows a plan view of the device on a scale enlarged compared to FIG. 1, in a simplified representation,
Figure 4
1 shows a view of a cabin door with a driver of the device in three different positions in a schematic illustration,
Figure 5
a view of a landing door with a coupling part of the device in three different positions in a schematic representation, and
Figure 6
a functional diagram of the device.

In der Fig.1 ist mit 1 eine Aufzugskabine bezeichnet, die eine von einem nicht dargestellten Türantrieb betätigte Kabinentür 2 aufweist, die an ihrer unteren Kante auf einer Kabinentürschwelle 3 geführt wird. Eine Schachttür 4 wird an ihrer unteren Kante auf einer Schachttürschwelle 5 geführt, die mit einem in eine Wand 7 eines Aufzugsschachtes eingesetzten Türrahmen 6 verbunden ist. An der Kabinentür 2 ist ein Mitnehmer 8 angeordnet, der mit einem an der Schachttür 4 befestigten Kupplungsteil 9, wie nachstehend in der Funktionsbeschreibung näher erläutert, zwecks Mitnahme der Schachttür 4 in Eingriff gebracht werden kann. Der Mitnehmer 8 und das Kupplungsteil 9, die anhand der Fig.2 und 3 nachfolgend näher beschrieben werden, sind derart an der Kabinenbzw.Schachttür 2,4 angebracht, dass sie in der dargestellten Ruheposition nicht in einen Durchfahrtspalt DS zwischen Kabinentür- und Schachttürschwelle 3,5 hineinragen, wobei die Breite des Durchfahrtspaltes DS unabhängig von Mitnehmer 8 und Kupplungsteil 9 dimensioniert werden kann.In Figure 1, 1 denotes an elevator car, the one Cabin door 2 actuated by a door drive, not shown has at its lower edge on a Cabin door sill 3 is guided. A landing door 4 is on guided its lower edge on a landing door sill 5, the with one inserted into a wall 7 of an elevator shaft Door frame 6 is connected. At the cabin door 2 is a Driver 8 arranged with one on the shaft door 4th attached coupling part 9, as below in the Functional description explained in order to take the Landing door 4 can be engaged. The driver 8 and the coupling part 9, the following with reference to Figures 2 and 3 are described in more detail on the cabin or landing door 2.4 attached that they are shown in the Rest position not in a passage gap DS between Cabin door and landing door sill 3.5 protrude, the Width of the passage gap DS regardless of driver 8 and Coupling part 9 can be dimensioned.

Gemäss Fig.2 und 3 weist der Mitnehmer 8 vertikal verlaufende Verzahnungen 10 auf, die zu beiden Seiten eines am Mitnehmer 8 befestigten Elektromagneten 11 angeordnet sind. Hierbei können die Verzahnungen 10 beispielsweise ein gewindeartiges Profil aufweisen, während der Elektromagnet 11 beispielsweise mit einem U-förmigen oder E-förmigen Kern ausgestattet ist. Im Bereich des oberen und unteren Endes des Mitnehmers 8 und zu dessen senkrecht zur Kabinentür 2 gerichteten Seiten sind Führungen 12 vorgesehen, die fest mit einer Grundplatte 13 verbunden sind. Die Führungen 12 bestehen beispielsweise aus U-Profilen, in welche am Mitnehmer 8 angebrachte Führungsrollen 14 eingreifen. Um eine Uebertragung von Schwingungen zu verhindern, ist die Grundplatte 13 über Dämpfungskörper 15 (beispielsweise in Form von Schwingmetall) mittels Schrauben 16 und Nietmuttern 18, die an einer Türversteifung 17 befestigt sind, mit der Kabinentür 2 verbunden. Mit 19 und 20 sind zwei am Mitnehmer 8 befestigte Sensoren bezeichnet. Wie anhand der nachfolgenden Funktionsbeschreibung näher erläutert dienen die Sensoren 19,20 der Messung des Abstandes zwischen Mitnehmer 8 und Kupplungsteil 9. Für diesen Zweck können als Sensoren beispielsweise Näherungsschalter verwendet werden, die nach dem kapazitiven Detektionsprinzip arbeiten und die ein Signal abgeben, wenn ein bestimmter Abstand erreicht ist.According to Figures 2 and 3, the driver 8 has vertically extending Toothings 10 on both sides of one on the driver 8th attached electromagnet 11 are arranged. Here you can the teeth 10, for example, a thread-like profile have, while the electromagnet 11, for example with is equipped with a U-shaped or E-shaped core. in the Area of the upper and lower end of the driver 8 and to the sides of which are perpendicular to the cabin door are 2 Guides 12 are provided, which are fixed to a base plate 13 are connected. The guides 12 consist for example of U-profiles, in which 8 attached guide rollers 14 intervene. To transmit vibrations prevent, the base plate 13 via damping body 15th (for example in the form of vibrating metal) by means of screws 16 and rivet nuts 18 attached to a door stiffener 17 are connected to the cabin door 2. At 19 and 20 there are two designated 8 attached to the driver. As with the The following functional description explains the Sensors 19, 20 for measuring the distance between driver 8 and coupling part 9. For this purpose can be used as sensors For example, proximity switches are used, which after the capacitive detection principle work and the one signal deliver when a certain distance is reached.

Eine Hebelanordnung 21 für die Verschiebung des Mitnehmers 8 besteht aus ersten und zweiten Hebeln 22,23, die im Bereich des oberen und unteren Endes des Mitnehmers 8 vorgesehen sind. Die ersten Hebel 22 sind über Stützen 24 gelenkig mit der Grundplatte 13 verbunden, während die zweiten Hebel 23 gelenkig am Mitnehmer 8 befestigt sind. Die freien Enden der Hebel 22,23 sind über einen Gelenkbolzen 25 drehbar miteinander verbunden, wobei die Gelenkbolzen 25 der im Bereich des oberen und unteren Endes des Mitnehmers 8 angeordneten Hebel 22,23 über eine Verbindungsstange 26 miteinander in Verbindung stehen. Am unteren Gelenkbolzen 25 ist eine Schubstange 28 eines Antriebes 27 drehbar gelagert, der über eine Stütze 29 gelenkig mit der Grundplatte 13 verbunden ist. Um die in der nachfolgenden Funktionsbeschreibung beschriebene Aufgabe zu erfüllen, kann der Antrieb 27 beispielsweise einen Servomotor mit regelbarer Drehzahl aufweisen, wobei die Schubstange 28 durch eine mit ihr verbundene Zahnstange linear verschiebbar ist. A lever arrangement 21 for the displacement of the driver 8 consists of first and second levers 22, 23, which are in the range of upper and lower ends of the driver 8 are provided. The first levers 22 are articulated via supports 24 with the Base plate 13 connected, while the second lever 23 articulated are attached to the driver 8. The free ends of the levers 22, 23 are rotatably connected to one another via a hinge pin 25, the hinge pin 25 of the area of the upper and lower End of the driver 8 arranged lever 22,23 via a Connecting rod 26 are connected to each other. At the lower pivot pin 25 is a push rod 28 of a drive 27 rotatably mounted, the articulated with a support 29 Base plate 13 is connected. To the in the following Functional description to perform the task described the drive 27, for example, a servo motor with adjustable Have speed, the push rod 28 by a with it connected rack is linearly displaceable.

Das Kupplungsteil 9 weist eine vertikal verlaufende Verzahnung 30 auf, welche in der Form mit der Verzahnung 10 des Mitnehmers 8 übereinstimmt. Der Werkstoff der Verzahnungen 10,30 ist so aufeinander abgestimmt, dass während einer möglichen Relativbewegung zwischen Mitnehmer 8 und Kupplungsteil 9 nur eine minimale Reibung auftritt und beide Teile praktisch verschleissfrei ineinander gleiten. Die Verzahnung 30 des Kupplungsteiles 9 ist im Bereich des Elektromagneten 11 unterbrochen. Um möglicherweise auftretende horizontale Toleranzen zwischen Mitnehmer 8 und Kupplungsteil 9 aufzufangen ist das Kupplungsteil 9 in horizontaler Richtung breiter als der Mitnehmer 8. In vertikaler Richtung ist das Kupplungsteil 9 sowie dessen Verzahnung 30 länger als der Mitnehmer 8, so dass auch bei unterschiedlichen Kabinenlasten und der sich daraus ergebenden Versetzung von Kabinen- und Schachttür 2,4 eine sichere Kupplung und Mitnahme der Schachttür4 gewährleistet ist.The coupling part 9 has a vertically extending toothing 30, which is in the form with the teeth 10 of the driver 8 matches. The material of the teeth 10,30 is so coordinated that during a possible Relative movement between driver 8 and coupling part 9 only minimal friction occurs and both parts practical slide into each other without wear. The toothing 30 des Coupling part 9 is in the area of the electromagnet 11 interrupted. In order for horizontal to occur To absorb tolerances between the driver 8 and coupling part 9 the coupling part 9 is wider than in the horizontal direction the driver 8. In the vertical direction, the coupling part 9 and its teeth 30 longer than the driver 8, so that even with different cabin loads and the result resulting displacement of cabin and shaft door 2.4 a secure coupling and driving of the landing door4 guaranteed is.

In Fig.4 ist mit 40 eine beispielsweise aus zwei Türblättern 41,42 bestehende Kabinentür bezeichnet, die mittels Laufwagen 43,44 und Rollen 45 an einer Laufschiene 4 6 geführt werden. Die Mitnehmer 8 können beispielsweise in einer Position A im Bereich der Laufwagen 43,44, in einer Position B an den Türblättern 41,42 auf der Höhe der Schwerpunkte S, oder in einer Position C im Bereich einer Kabinentürschwelle 47 an mit den Türblättern 41,42 fest verbundenen Haltern 48 befestigt werden. Mit der Anordnung des Mitnehmers 8 in der Position B können Belastungen der Türflügel 41,42 durch Momente vermieden werden.In Figure 4 is with 40, for example, from two door leaves 41.42 existing cabin door designated by means of carriages 43,44 and rollers 45 are guided on a running rail 4 6. The Carriers 8 can, for example, in a position A in Area of the carriage 43,44, in a position B to the Door leaves 41.42 at the height of the center of gravity S, or in a position C in the area of a cabin door sill 47 with the door leaves 41, 42 fixedly connected holders 48 attached become. With the arrangement of the driver 8 in the position B can avoid loads on the door leaf 41, 42 by moments become.

Nach Fig.5 besteht die Schachttür 50 beispielsweise aus zwei Türblättern 51,52, die mittels Laufwagen 53,54 und Rollen 55 an einer Laufschiene 56 geführt werden. Die Kupplungsteile 9 können beispielsweise in einer Position D im Bereich der Laufwagen 53,54, in einer Position E an den Türblättern 51,52 auf der Höhe der Schwerpunkte S, oder in einer Position F im Bereich unterhalb einer Schachttürschwelle 57 an mit den Türblättern 51,52 fest verbundenen Haltern 58 angeordnet sein.5, the shaft door 50 consists, for example, of two Door leaves 51, 52, which are mounted on carriages 53, 54 and rollers 55 a track 56 are performed. The coupling parts 9 can, for example, in a position D in the range of Carriage 53, 54 in position E on door leaves 51, 52 at the center of gravity S, or in a position F in Area below a landing door sill 57 with the Door leaves 51, 52 fixedly connected holders 58 may be arranged.

In der Fig.6 ist auf der horizontalen Achse die Zeit t aufgetragen, während die vertikale Achse den im folgenden aufgeführten Betriebszuständen der vorstehend beschriebenen Vorrichtung bei inaktivem Aufzugsbetrieb und einer aktiven, nicht weiter dargestellten und beschriebenen Steuerungseinrichtung der Vorrichtung zugeordnet ist. Es bedeuten:

a,b
Elektromagnet 11: EIN/AUS,
c
Sensor 20: aktiv,
d
Sensor 19: aktiv,
e,f
Antrieb 27: EIN/AUS,
g,h
Geschwindigkeit des Antriebes 27: Langsam/schnell,
i,j,k
Mitnehmer 8: Ruheposition/in Bewegung/im Eingriff,
l,m,n
Schachttür 4: Zu/Oeffnen bzw.Schliessen/Offen.
In FIG. 6, the time t is plotted on the horizontal axis, while the vertical axis is assigned to the operating states of the above-described device with inactive elevator operation and an active control device of the device, not shown and described below. It means:
from
Electromagnet 11: ON / OFF,
c
Sensor 20: active,
d
Sensor 19: active,
e f,
Drive 27: ON / OFF,
g, h
Drive 27 speed: slow / fast,
i, j, k
Driver 8: rest position / in motion / in engagement,
L M n
Landing door 4: close / open or close / open.

Die vorstehend beschriebene Vorrichtung arbeitet wie folgt:The device described above works as follows:

Bei einem Halt auf einem Stockwerk wird der Antrieb 27 über die Aufzugssteuerung aktiviert und der in den Führungen 12 geführte Mitnehmer 8 mittels der Hebelanordnung 21 aus der in den Fig.1 bis 3 dargestellten Ruheposition (Fig.6,i,Zeitpunkt I) senkrecht zur Kabinentür 2 in Richtung Schachttür 4 bzw. Kupplungsteil 9 verschoben. Bei Erreichen eines bestimmten Abstandes zwischen Mitnehmer 8 und Kupplungsteil 9 reagiert der am Mitnehmer 8 befestigte Sensor 19, worauf die Geschwindigkeit des Antriebes 27 und damit auch des Mitnehmers 8 auf ein bestimmtes Minimum reduziert wird (Fig.6,d,g,Zeitpunkt II). Der Mitnehmer 8 bewegt sich nun mit dieser reduzierten (auch Schleichgeschwindigkeit genannten) Geschwindigkeit weiter, bis ein für die Funktion des Elektromagneten 11 notwendiger bestimmter Luftspalt LS zwischen Mitnehmer 8 und Kupplungsteil 9 erreicht ist und die Verzahnungen 10,30 sich überdecken (Fig.2,3, strichpunktierte Linien Hebelanordnung 21, gestrichelte Linien Mitnehmer 8). In diesem Moment reagiert der Sensor 20, wobei der Antrieb 27 der Hebelanordnung 21 abgeschaltet und der Elektromagnet 11 erregt wird, so dass der Mitnehmer 8 und das Kupplungsteil 9 mit ihren Verzahnungen 10,30 zum endgültigen Eingriff kommen und unter Einwirkung des Elektromagneten 11 aneinander anliegend gehalten werden (Fig.6,c,f,a,Zeitpunkt III).When stopping on a floor, the drive 27 is on the Elevator control activated and the guided in the guides 12 Driver 8 by means of the lever arrangement 21 from the in Fig.1 to 3 shown rest position (Fig. 6, i, time I) perpendicular to the cabin door 2 in the direction of the landing door 4 or Coupling part 9 moved. When a certain one is reached Distance between driver 8 and coupling part 9 reacts on the driver 8 attached sensor 19, whereupon the speed of the drive 27 and thus also the driver 8 on certain minimum is reduced (Fig. 6, d, g, time II). The Driver 8 now moves with this reduced (also Speed) until a necessary for the function of the electromagnet 11 certain air gap LS between driver 8 and coupling part 9 is reached and the toothings 10.30 overlap (Fig. 2,3, dash-dotted lines lever arrangement 21, dashed lines driver 8). At that moment the Sensor 20, wherein the drive 27 of the lever arrangement 21 turned off and the electromagnet 11 is excited so that the Driver 8 and the coupling part 9 with their teeth 10.30 come to the final intervention and under the influence of the Electromagnets 11 are held against each other (Fig. 6, c, f, a, time III).

Nun werden durch den Türantrieb die Kabinen-und Schachttür 2,4 geöffnet, bis die Offen-Position erreicht ist (Fig.6,m, n, Zeitpunkt IV). Nachdem der Be-und Entladevorgang der Aufzugskabine 1 beendet ist, werden die Kabinen-und Schachttür 2,4 gemeinsam wieder geschlossen (Fig.6,n,m,Zeitpunkte V,VI).Danach wird der Elektromagnet 11 stromlos, das Magnetfeld verschwindet und der Antrieb 27 bewegt mittels der Hebelanordnung 21 den Mitnehmer 8 in umgekehrter Richtung wieder in die Ruheposition an der Kabinentür 2 zurück und wird abgeschaltet (Fig.6,b,e,i,Zeitpunkte VI,VII). Sodann wird der Aufzugsbetrieb über die Aufzugssteuerung wieder freigegeben, so dass die Aufzugskabine 1 zum nächsten gewählten Stockwerk fahren kann. Im Bereich der Entriegelungszone des nächsten gewählten Stockwerkes wird noch vor dem endgültigen Erreichen der Halteposition wiederum der Antrieb 27 aktiviert, wobei die vorstehend beschriebenen Vorgänge ablaufen, und die Verzahnungen 10,30 ineinander gleiten bis die Aufzugskabine 1 anhält. Now the cabin and shaft doors 2, 4 are opened by the door drive open until the open position is reached (Fig. 6, m, n, Time IV). After the loading and unloading of the Elevator car 1 is finished, the car and landing door 2.4 closed together again (Fig. 6, n, m, times V, VI). Thereafter, the electromagnet 11 is de-energized, the magnetic field disappears and the drive 27 moves by means of Lever arrangement 21 the driver 8 in the opposite direction back to the rest position on the car door 2 and will switched off (Fig. 6, b, e, i, points in time VI, VII). Then the Elevator operation released again via the elevator control, see above that elevator car 1 to the next selected floor can drive. In the area of the next unlocking zone selected floor will be reached before it is finally reached the stop position in turn activates the drive 27, the operations described above, and the Sliding gears 10,30 into each other until the elevator car 1 stops.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Aufzugskabinecar
22
Kabinentürcabin door
33
KabinentürschwelleCar door sill
44
Schachttürshaft door
55
SchachttürschwelleHoistway door sill
66
Türrahmendoorframe
77
Wandwall
88th
Mitnehmertakeaway
99
Kupplungsteilcoupling part
1010
Verzahnunggearing
1111
Elektromagnetelectromagnet
1212
Führungenguides
1313
Grundplattebaseplate
1414
Führungsrollenguide rollers
1515
Dämpfungskörperdamping body
1616
Schraubenscrew
1717
Türversteifungdoor Brace
1818
NietmutternRivnuts
1919
Sensorsensor
2020
Sensorsensor
2121
Hebelanordnunglever assembly
2222
Erste HebelFirst lever
2323
Zweite HebelSecond lever
2424
StützenSupport
2525
Gelenkbolzenhinge pins
2626
Verbindungsstangeconnecting rod
2727
Antriebdrive
2828
Schubstangepushrod
2929
Stützesupport
3030
Verzahnunggearing
4040
Kabinentürcabin door
4141
Türblattdoor leaf
4242
Türblattdoor leaf
4343
Laufwagencarriage
4444
Laufwagencarriage
4545
Rollenroll
4646
Laufschienerunner
4747
KabinentürschwelleCar door sill
4848
Halterholder
5050
Schachttürshaft door
5151
Türblattdoor leaf
5252
Türblattdoor leaf
5353
Laufwagencarriage
5454
Laufwagencarriage
5555
Rollenroll
5656
Laufschienerunner
5757
SchachttürschwelleHoistway door sill
5858
Halterholder
DSDS
DurchfahrtspaltPassage gap
LSLS
Luftspaltair gap
A-CA-C
Positionen MitnehmerPositions carrier
D-ED-E
Positionen KupplungsteilPositions coupling part
a-non
Betriebszuständeoperating conditions
SS
Schwerpunktmain emphasis

Claims (8)

  1. Device for entraining shaft doors in lifts, in which the shaft doors (4) are entrained by the cage doors (2) and for this purpose there is provided at a cage door (2) an electromagnet (11) which co-operates with a coupling member (9), which is arranged at the shaft door (4) of the lift, when the lift cage (1) stops at a storey, characterised in that the electromagnet (11) arranged at an entrainer (8) is movable perpendicularly to the cage door (2) or shaft door (4) by means of a mechanism (21) comprising a drive (27), wherein the drive (27) moves the electromagnet (11) until a specific air gap (LS) between electromagnet (11) and coupling member (9) is reached and thereafter the electromagnet (11) by its own force brings the entrainer (8) out of engagement with the coupling member (9).
  2. Device according to claim 1, characterised in that the entrainer (8) and the coupling member (9) have vertically extending toothings (10, 30).
  3. Device according to claim 1 or 2, characterised in that the entrainer (8) is connected by way of a lever arrangement (21) with the cage door (2), wherein the lever arrangement (21) is movable by means of the drive (27).
  4. Device according to claim 3, characterised in that a sensor (20) reacting to attainment of the specific air gap (LS) is provided at the entrainer (8), wherein the drive (27) of the lever arrangement (21) is switched off and the electromagnet (11) is energised so that the entrainer (8) and the coupling member (9) come into engagement by their toothings (10, 30) and are kept in contact with one another by the action of the electromagnet (11).
  5. Device according to claim 4, characterised in that a further sensor (19) is provided at the entrainer (8) and reacts on attainment of a specific spacing which is greater than the specific air gap (LS), wherein the speed of the entrainer (8) disposed in movement is reduced.
  6. Device according to claim 5, characterised in that guides (12) are provided, which are fixedly connected with a base plate (13), and that guide rollers (14), which engage in the guides (12), are arranged at the entrainer (8).
  7. Device according to claim 6, characterised in that
    the lever arrangement (21) consists of first and second levers (22, 23) provided in the region of the upper and lower end of the entrainer (8), wherein the first levers (22) are pivotably connected with the base plate (13),
    the second levers (23) are pivotably fastened to the entrainer (8) and are rotatably connected by their free ends via pivot pins (25) with the free end of the first levers (22),
    a connecting rod (26) is provided, which is connected with the pivot pins (25) of the levers (22, 23) disposed in the region of the upper and lower end of the entrainer (8), and
    a pushrod (28) of the drive (27) is rotatably connected with the pivot pins (25) of the levers (22, 23) disposed at the lower end of the entrainer (8), and the drive (27) is pivotably arranged at the base plate (13).
  8. Device according to claim 7, characterised in that the base plate (13) is connected with the cage door (2) by way of damping bodies (15).
EP97115088A 1996-09-17 1997-09-01 Coupling device for landing doors of an elevator Expired - Lifetime EP0829447B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP97115088A EP0829447B1 (en) 1996-09-17 1997-09-01 Coupling device for landing doors of an elevator

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP96810615 1996-09-17
EP96810615 1996-09-17
EP97115088A EP0829447B1 (en) 1996-09-17 1997-09-01 Coupling device for landing doors of an elevator

Publications (2)

Publication Number Publication Date
EP0829447A1 EP0829447A1 (en) 1998-03-18
EP0829447B1 true EP0829447B1 (en) 2003-12-10

Family

ID=29595080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97115088A Expired - Lifetime EP0829447B1 (en) 1996-09-17 1997-09-01 Coupling device for landing doors of an elevator

Country Status (4)

Country Link
EP (1) EP0829447B1 (en)
AT (1) ATE256076T1 (en)
DE (1) DE59711101D1 (en)
ES (1) ES2212019T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2461452B (en) * 2007-03-23 2011-10-26 Otis Elevator Co Electromagnetic coupling with a slider layer
CH710032B1 (en) * 2014-08-25 2018-04-13 Salvenmoser Michael Device for an elevator installation for actuating at least one car or shaft door.
JP6810916B1 (en) * 2020-03-03 2021-01-13 フジテック株式会社 Door engagement device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR867592A (en) * 1940-06-28 1941-11-14 Vernes Guinet Device for driving elevator landing doors
US2996152A (en) * 1960-04-06 1961-08-15 Olexson George Magnetic retractable door roller for automatic elevators
JPS538973B2 (en) * 1972-07-25 1978-04-03
CH613911A5 (en) * 1977-01-10 1979-10-31 Inventio Ag

Also Published As

Publication number Publication date
ES2212019T3 (en) 2004-07-16
ATE256076T1 (en) 2003-12-15
DE59711101D1 (en) 2004-01-22
EP0829447A1 (en) 1998-03-18

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