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EP3927641B1 - Système de déclenchement pour un dispositif d'arrêt, installation d'ascenseur et procédé pour faire fonctionner une installation d'ascenseur - Google Patents

Système de déclenchement pour un dispositif d'arrêt, installation d'ascenseur et procédé pour faire fonctionner une installation d'ascenseur Download PDF

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Publication number
EP3927641B1
EP3927641B1 EP20704850.5A EP20704850A EP3927641B1 EP 3927641 B1 EP3927641 B1 EP 3927641B1 EP 20704850 A EP20704850 A EP 20704850A EP 3927641 B1 EP3927641 B1 EP 3927641B1
Authority
EP
European Patent Office
Prior art keywords
elevator
elevator car
shaft
counterweight
safety catch
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.)
Active
Application number
EP20704850.5A
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German (de)
English (en)
Other versions
EP3927641A1 (fr
Inventor
Bernd Altenburger
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.)
TK Elevator Innovation and Operations GmbH
Original Assignee
TK Elevator Innovation and Operations GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TK Elevator Innovation and Operations GmbH filed Critical TK Elevator Innovation and Operations GmbH
Publication of EP3927641A1 publication Critical patent/EP3927641A1/fr
Application granted granted Critical
Publication of EP3927641B1 publication Critical patent/EP3927641B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces

Definitions

  • the present invention relates to a triggering system for a safety gear in an elevator installation, such an elevator installation and a method for operating an elevator installation.
  • a safety device is usually provided on each of the two lift cars, by means of which a rapid downward travel or a fall of the lift car can be prevented.
  • a braking device can be provided on the lower lift car, by means of which an upward movement can be stopped quickly and safely.
  • a braking device on the lift car is triggered by a rope brake, in the form of such a rope brake is known, for example, from the EP 1 646 575 B1 known.
  • EN 10 2011 001 449 A1 describes an elevator system with at least one elevator car guided on a guide rail in an elevator shaft and a safety gear with a braking device and a triggering device that activates this in the event of a fall.
  • EN 10 2011 001 449 A1 discloses a triggering system according to the preamble of claim 1.
  • US 6 202 795 B1 describes a braking system for an elevator car with a stopping mechanism arranged on the elevator car, which is arranged to stop the car when it exceeds a movement speed limit.
  • JP S60 193373 U describes a speed limiter system on an elevator car, where a rope is attached to the top of the shaft and guided over a pulley and stretched to a lower end of the shaft.
  • the task therefore arises of providing a simple and/or efficient and/or safe solution for realizing a triggering of the braking device on the counterweight for braking in the upward direction for a car of an elevator system, in particular the lower car of an elevator system with two cars in one shaft.
  • a triggering system can be used for a safety device that can be attached to a counterweight connected to a car via a support means that is guided via a traction sheave coupled to a drive and guided in a shaft - or possibly also to the car.
  • the support means can in particular be a tension support means such as a rope or a belt. Several ropes or belts are also conceivable.
  • the safety device is in particular designed in such a way that it can be brought into engagement with a guide rail or the like along which the counterweight is moved.
  • the release device comprises a standing tensioning means, in particular a rope, which can be tensioned in the shaft, an actuating device by means of which a force can be exerted on the tensioning means in the longitudinal direction of the tensioning means if required, and a Coupling device by means of which the clamping means and the safety gear can be coupled in such a way that the safety gear can be triggered when the force is exerted on the clamping means.
  • the proposed release device uses only one tensioning device or rope, which can be tensioned in particular between the upper and lower ends in the shaft, which means that significantly less free space is required in the shaft.
  • the actuating device by means of which a force can be exerted on the tensioning device, is therefore arranged at the upper end, for example in the machine room, which means that it can also be triggered electrically particularly easily, since no electrical connection to the counterweight is necessary.
  • the tensioning device is attached to the upper end by means of the actuating device, which will be described in more detail later.
  • the tensioning device can be attached to the floor, for example, or tensioned by a tensioning mass, which may also be attached to the floor.
  • a ratchet device or a freewheel can be provided here if necessary to prevent the tensioning device or rope from moving upwards on the tensioning mass and to absorb rope stretch.
  • the coupling device can transfer the force acting on the clamping device to the safety catch, so that the safety catch is triggered.
  • the coupling device can transfer the force acting on the clamping device to the safety catch, so that the safety catch is triggered.
  • this provides a triggering system for a safety gear that can be attached to a counterweight, which is particularly simple and space-saving, and does not require any electrical connection to the safety gear itself or to the counterweight.
  • the actuating device can be triggered electrically.
  • the actuating device has in particular an electromagnet, by means of which the actuating device can be triggered.
  • An electromagnet can hold a counterpart by electromagnetic force when current is applied. By simply interrupting the current, for example by opening a switch, the coupling device - and thus the safety gear - can be triggered.
  • the electromagnet is also referred to as a release magnet.
  • the actuating device preferably has a spring element and/or a lever arm, by means of which the force can be exerted directly or indirectly on the clamping device.
  • a spring element such as a compression spring
  • the electromagnet mentioned above can hold the lever arm in an initial position, for example against the force of the spring element. When triggered, the force of the spring element can be released, whereby a force is exerted on the clamping device via the lever arm, and the safety catch is triggered.
  • a reset device is provided for the actuating device, in particular with a linear drive, by means of which the actuating device can be moved from an actuating position to a release position after being triggered.
  • the reset device can also be designed to be remotely operated.
  • Such a reset device can also be provided (or only) for the safety gear.
  • the coupling device has an actuating element which, when the force is exerted on the tensioning means, triggers or activates the safety gear.
  • the coupling device can have a guide system comprising the actuating element and guide elements in which the tensioning means is guided, wherein the actuating element is movable relative to the guide elements and is in particular designed to be moved when the force is exerted on the tensioning means.
  • Both the guide elements and the actuating element can be designed as rollers along which the tensioning means or rope is moved.
  • actuating element is held in a regular state or a starting position by a spring element or the like against the force acting from the existing tension of the clamping device, then - if such a spring element is suitably dimensioned - the additional force can move the actuating element.
  • This actuating element can actuate or trigger the safety gear, for example by means of a suitable connection mechanism.
  • the safety gear itself has, for example, safety wedges that can be placed between a guide rail for the counterweight and a counterpart. Brake pads that are pressed against the guide rail are also conceivable.
  • the coupling device can be designed to convert a movement of the actuating element into an actuation or triggering of the safety gear.
  • the invention further relates to an elevator system with at least one elevator car that can be moved in a shaft, a counterweight that is connected to the elevator car via a support means that is guided via a traction sheave coupled to a drive and is guided in the shaft, a safety gear arranged on the counterweight and a triggering system according to the invention, wherein the actuating device is arranged in a machine room that includes the drive.
  • the elevator system has a further car which is arranged and movable above the elevator car in the shaft.
  • the safety gear or another safety gear is further coupled to the tensioning device in such a way that the or the other safety gear is triggered when its speed relative to the tensioning device exceeds a limit value.
  • a conventional triggering mechanism for the safety gear can be used, for example with a friction wheel, in order to provide an additional level of safety.
  • the same rope can also be used here.
  • only speed-dependent triggering is generally possible here.
  • the elevator system advantageously also has a control device that is set up to detect a distance and/or a relative speed between the two elevator cars and, if the distance or the relative speed falls below or exceeds an associated limit value, to actuate the actuating device. It should be noted here that in the case of the distance, the limit value must be undershot, and in the case of the relative speed, it must be exceeded.
  • the control device used here can be, for example, a separate safety control device, or a control device that is usually used anyway for the entire elevator system.
  • the invention further relates to a method for operating an elevator system with a car for which a counterweight is provided which is connected to the car via a support means which is guided via a traction sheave coupled to a drive and which is guided in a shaft. If necessary, a movement of the counterweight is braked by applying a force to the shaft by means of an actuating device arranged in a machine room surrounding the drive. a stationary tensioning device, in particular a rope, tensioned in the shaft is exerted in the longitudinal direction of the tensioning device, whereby a safety device attached to the counterweight is triggered by means of a coupling device.
  • the actuating device is only triggered when the lower car moves upwards. This can be done, for example, using a suitable control device in which the direction of movement of the car is also known or recorded.
  • another car is also moved above the (first and then lower) car in the shaft. Then, preferably, a distance and/or a relative speed between the two cars is also recorded, and if the distance or the relative speed falls below or exceeds an associated limit value, the actuating device is triggered.
  • the limit value must be undershot, and in the case of the relative speed, it must be exceeded.
  • FIG 1 is a schematic representation of an elevator system 100 according to the invention in a preferred embodiment.
  • the elevator system 100 has a shaft 110 in which two elevator cars are located one above the other, a lower elevator car 120 and an upper elevator car 121. Both elevator cars can be moved independently of one another in the shaft 110. This can be done, for example, via a control device 190, which is only indicated schematically here and which can also be arranged, for example, in the indicated machine room 160 at the upper end of the shaft 110.
  • a drive 161 with a traction sheave 162 is provided in the machine room 160 for the lower car 120.
  • the drive is arranged, for example, on a floor 164 of the machine room 160.
  • a support means 111, in particular a tension support means, designed here as a cable, is guided by means of which the lower elevator car 120 is connected to an associated first counterweight 125.
  • the elevator car 120 and the first counterweight 125 can thus be moved up and down in opposite directions in the shaft.
  • a second counterweight 126 is provided for the upper car 121.
  • the car 121 and the second counterweight 126 can - like the lower car 120 and the first counterweight 125 - be connected via a support means that is guided via a traction sheave on a drive. In the illustration shown, however, the additional drive and the additional traction sheave are not shown for the sake of clarity.
  • the two counterweights 125 and 126 are arranged next to each other in the shaft 110, i.e. the vertical projections of the two counterweights onto a floor of the shaft 110 are next to each other.
  • the two counterweights are also arranged on or close to a wall of the shaft 110 in order to ensure proper operation of the elevator system.
  • a first safety device 140 is arranged on the lower car 120 in order to prevent the car from falling into the shaft 110 in an emergency.
  • a second safety device 141 is arranged accordingly on the upper car 121.
  • the distance and/or the relative speed of the two cars to each other can also be monitored, for example using the control device 190 and, if necessary, suitable sensors or the like.
  • a third safety gear 230 is arranged on the associated first counterweight 125.
  • triggering this third safety gear 230 independently of the speed of the first counterweight 125 is not possible using conventional means or only with considerable structural effort.
  • a triggering system is now provided for this third safety gear 230, which has a coupling device 220 on the first counterweight 125 and an actuating device 210 which is arranged in the machine room 160.
  • a trigger system 200 according to the invention is shown schematically in a preferred embodiment, which can be used, for example, with the Figure 1 shown elevator system or the safety gear present on the counterweight.
  • the actuating device 210 is shown in particular in the machine room, e.g. on its floor 164, and the coupling device 220, which is arranged together with the third safety gear 230 on the first counterweight 125.
  • a tensioning device 241 designed as a cable is shown, which can be arranged between the actuating device 210 and a tensioning mass 240, which can be arranged near the shaft floor (i.e., for example, in the shaft pit).
  • the tensioning device 241 can be tensioned with this.
  • the tensioning mass 240 can be fastened in particular by means of a latch device or a freewheel in such a way that the tensioning device cannot yield, in particular move upwards.
  • the tensioning device 241 is fastened to the shaft floor in another way.
  • tensioning means 241 runs through the coupling device 220, via which the third safety device 230 can be triggered.
  • Figure 3 see Figure 3 referred to.
  • Figure 3 is a schematic representation of part of the trigger system Figure 2 shown in more detail, in two views. On the left is a non-triggered position or an initial position of the trigger system, on the right is a triggered position or an actuated position.
  • the tensioning means 241 is attached to a lever arm 211, which is mounted so as to be rotatable about a pivot point 212.
  • a first spring element 213, which is designed in particular as a compression spring a force exerted upwards on the lever arm 211.
  • An electromagnet 214 is provided which, when energized, holds the lever arm 211 back against the spring force of the first spring element 213, as shown in the left figure.
  • a guide system comprising two guide elements 223 and 224 designed as guide rollers and an actuating element 221, designed in particular as a roller, is now provided in the coupling device 220.
  • the cable 241 is deflected between the guide elements 223 and 224 and guided over the actuating element 221.
  • a force, here designated F N is now exerted on the actuating element 221 by the tensioned cable 241.
  • a further second spring element 222 in particular designed as a tension spring, is also attached to the actuating element 221, by means of which a force, here designated F F , is exerted on the actuating element 221 in opposition to the force caused by the tensioning means.
  • F F a force
  • the case shown on the right is where the trigger system 200 or the actuating device 210 and thus the arresting device (see also Figure 4 referred to) is triggered.
  • the first spring element 213 can pull the lever arm 211 and thus the clamping device 241 attached to it upwards or exert a force, here designated F Z , on it.
  • the control or energization of the electromagnet takes place here, for example, by means of the control device mentioned.
  • Figure 4 is schematically a part of the trigger system from Figure 2 shown in more detail.
  • the coupling device 210 as already shown in Figure 3 shown
  • the safety gear 230 shown here only schematically and as an example.
  • the safety gear has a lever arm system 232, with which it is connected to the actuating element 221.
  • actuating element 221 By moving the actuating element 221 to the left in the event of a triggering of the triggering system, as is shown in relation to Figure 3
  • a wedge 231 in particular a brake or catch wedge, can be pressed - or pulled - between a guide rail and a counterpart by means of the lever arm system 221, as indicated by the arrow.
  • safety devices can also be used, for example with safety wedges, other types of connection or brake pads or the like. These only have to be connected to the coupling device 210 in such a way that their triggering or actuation is made possible by the movement of the actuating element 221.
  • this provides a space-saving option by means of which, for example, a safety gear on a counterweight can be triggered from the engine room and thus also electrically.
  • the triggering of the safety gear described in relation to the lower car and its counterweight or the triggering system used for this could also be used with a safety gear on the counterweight of the upper car, for example to prevent this upper car from colliding with a shaft ceiling. Accordingly, this can also be used in an elevator system with only one car with a counterweight.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Claims (12)

  1. Système de déclenchement (200) pour un dispositif d'arrêt (230) susceptible d'être monté sur un contrepoids (125) qui est relié à une cabine (120) par l'intermédiaire d'un moyen de support (111), guidé par une poulie motrice (162) couplée à un entraînement (161), et qui est guidé dans une cage (110), ou susceptible d'être monté sur la cabine (120),
    comprenant
    un moyen tendeur (241) vertical, susceptible d'être tendu dans la cage (110), un dispositif d'actionnement (210) permettant d'exercer, en cas de besoin, une force (Fz) sur le moyen tendeur (241) dans la direction longitudinale du moyen tendeur, et un dispositif de couplage (220) permettant de coupler le moyen tendeur (241) et le dispositif d'arrêt (230) de telle sorte que le dispositif d'arrêt (230) peut être déclenché lorsque la force (Fz) est exercée sur le moyen tendeur (241),
    caractérisé en ce que le moyen tendeur (241) est fixé à l'extrémité supérieure de la cage (110) à l'aide du dispositif d'actionnement (210).
  2. Système de déclenchement (200) selon la revendication 1,
    dans lequel le dispositif d'actionnement (210) peut être déclenché électriquement et comporte en particulier un électroaimant (214) permettant de déclencher le dispositif d'actionnement (210).
  3. Système de déclenchement (200) selon la revendication 1 ou 2,
    dans lequel le dispositif d'actionnement (210) comprend un élément à ressort (213) et/ou un bras de levier (211), permettant d'exercer la force (Fz) directement ou indirectement sur le moyen tendeur (241).
  4. Système de déclenchement (200) selon l'une des revendications précédentes,
    dans lequel le dispositif de couplage (220) comprend un élément d'actionnement (221) qui, lorsque la force (Fz) est exercée sur le moyen tendeur (241), provoque l'actionnement ou le déclenchement du dispositif d'arrêt (230).
  5. Système de déclenchement (200) selon la revendication 4,
    dans lequel le dispositif de couplage (220) comprend un système de guidage qui comporte l'élément d'actionnement (221) et des éléments de guidage (223, 224) et dans lequel le moyen tendeur (241) est guidé, l'élément d'actionnement (221) est mobile par rapport aux éléments de guidage (223, 224) et est en particulier conçu pour être déplacé lorsque la force (Fz) est exercée sur le moyen tendeur (241).
  6. Système d'ascenseur (100), comprenant
    - au moins une cabine (120) susceptible d'être déplacée dans une cage (110),
    - un contrepoids (125) relié à la cabine (120) par l'intermédiaire d'un moyen de support (111), le contrepoids étant guidé par une poulie motrice (162) couplée à un entraînement (161),
    - un dispositif d'arrêt (230) disposé sur le contrepoids (125) ou sur la cabine (120), et
    - un système de déclenchement (200) selon l'une des revendications précédentes, en particulier conçu pour déclencher le dispositif d'arrêt,
    caractérisé en ce que le dispositif d'actionnement (210) est disposé dans un compartiment de machine (160) comprenant l'entraînement (162).
  7. Système d'ascenseur (100) selon la revendication 6,
    dans lequel le dispositif d'arrêt (230) ou un autre dispositif d'arrêt est en outre couplé au moyen tendeur (241) de telle sorte que le dispositif d'arrêt (230) ou l'autre dispositif d'arrêt est déclenché si sa vitesse par rapport au câble (241) dépasse une valeur limite.
  8. Système d'ascenseur (100) selon l'une des revendications 6 à 7,
    comprenant une autre cabine, en particulière une deuxième cabine (121) disposée et déplaçable au-dessus de la cabine, en particulier au-dessus de la première cabine (120), dans la cage (110).
  9. Système d'ascenseur (100) selon la revendication 8,
    comprenant en outre un dispositif de commande (190) conçu pour détecter une distance et/ou une vitesse relative entre les deux cabines (120, 121) et pour actionner le dispositif d'actionnement (210) si la distance ou la vitesse relative dépasse vers le bas ou vers le haut une valeur limite associée.
  10. Procédé pour faire fonctionner un système d'ascenseur (100) comprenant une cabine (120) pour laquelle est prévu un contrepoids (125) qui est relié à la cabine (120) par l'intermédiaire d'un moyen de support (111), guidé par une poulie motrice (162) couplée à un entraînement (161), et qui est guidé dans une cage (110),
    dans lequel
    en cas de besoin, un mouvement du contrepoids (125) ou de la cabine (120) est freiné du fait qu'une force (Fz) est exercée sur un moyen tendeur (241) vertical, tendu dans la cage (110), dans la direction longitudinale du moyen tendeur, à l'aide d'un dispositif d'actionnement (210), moyennant quoi un dispositif d'arrêt (230), monté sur le contrepoids (125) ou sur la cabine (120), est déclenché à l'aide d'un dispositif de couplage (220), caractérisé en ce que le dispositif d'actionnement (210) est disposé dans un compartiment de machine (160) comprenant l'entraînement (162).
  11. Procédé selon la revendication 10,
    dans lequel le dispositif d'actionnement (210) n'est déclenché que lors d'un déplacement vers le haut de la cabine (120).
  12. Procédé selon la revendication 10 ou 11,
    dans lequel une autre cabine (121) est déplacée dans la cage (110) au-dessus de la cabine (120), et
    une distance et/ou une vitesse relative entre les deux cabines (120, 121) est détectée, et
    si la distance ou la vitesse relative dépasse vers le bas ou vers le haut une valeur limite associée, le dispositif d'actionnement (210) est déclenché.
EP20704850.5A 2019-02-20 2020-02-11 Système de déclenchement pour un dispositif d'arrêt, installation d'ascenseur et procédé pour faire fonctionner une installation d'ascenseur Active EP3927641B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019104339.5A DE102019104339A1 (de) 2019-02-20 2019-02-20 Auslösesystem für eine Fangvorrichtung, Aufzugsanlage und Verfahren zum Betreiben einer Aufzugsanlage
PCT/EP2020/053396 WO2020169399A1 (fr) 2019-02-20 2020-02-11 Système de déclenchement pour un dispositif d'arrêt, installation d'ascenseur et procédé pour faire fonctionner une installation d'ascenseur

Publications (2)

Publication Number Publication Date
EP3927641A1 EP3927641A1 (fr) 2021-12-29
EP3927641B1 true EP3927641B1 (fr) 2024-08-21

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EP20704850.5A Active EP3927641B1 (fr) 2019-02-20 2020-02-11 Système de déclenchement pour un dispositif d'arrêt, installation d'ascenseur et procédé pour faire fonctionner une installation d'ascenseur

Country Status (5)

Country Link
EP (1) EP3927641B1 (fr)
CN (1) CN113498399B (fr)
DE (1) DE102019104339A1 (fr)
FI (1) FI3927641T3 (fr)
WO (1) WO2020169399A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119929630B (zh) * 2024-12-18 2025-11-07 杭州西奥电梯有限公司 一种双子电梯的防碰撞装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60193373U (ja) * 1984-05-30 1985-12-23 株式会社東芝 エレベ−タ用安全装置
FR2793230B1 (fr) * 1999-05-04 2001-07-06 Thyssen Ascenseurs Systeme de freinage automatique d'une cabine d'ascenseur
JP4358747B2 (ja) * 2002-11-09 2009-11-04 ティッセンクルップ エレバートル アーゲー エレベータシステム
DE10334654A1 (de) * 2003-07-22 2005-02-10 Thyssenkrupp Elevator Ag Seilbremse
DE102009019079A1 (de) * 2009-04-21 2010-11-04 Thyssenkrupp Aufzugswerke Gmbh Geschwindigkeitsbegrenzer
DE102011001449A1 (de) * 2011-03-21 2012-09-27 K-Solutions Gmbh Sicherheitsfangvorrichtung für eine Aufzugsanlage sowie Verfahren zur Sicherung einer schienengeführten Aufzugskabine einer Aufzugsanlage
WO2013045358A1 (fr) * 2011-09-30 2013-04-04 Inventio Ag Système de freinage à actionnement électromécanique
CN205855731U (zh) * 2016-07-27 2017-01-04 江南嘉捷电梯股份有限公司 一种曳引机
CN106629303B (zh) * 2016-12-27 2018-11-30 廖忠民 齿轮齿条升降设备水平电磁杠杆安全制动装置

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Publication number Publication date
CN113498399B (zh) 2023-08-11
CN113498399A (zh) 2021-10-12
EP3927641A1 (fr) 2021-12-29
WO2020169399A1 (fr) 2020-08-27
FI3927641T3 (fi) 2024-12-16
DE102019104339A1 (de) 2020-08-20

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