EP1849734B1 - Dispositif de freinage pour une cabine d'ascenseur. - Google Patents

Dispositif de freinage pour une cabine d'ascenseur. Download PDF

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Publication number
EP1849734B1
EP1849734B1 EP06113302A EP06113302A EP1849734B1 EP 1849734 B1 EP1849734 B1 EP 1849734B1 EP 06113302 A EP06113302 A EP 06113302A EP 06113302 A EP06113302 A EP 06113302A EP 1849734 B1 EP1849734 B1 EP 1849734B1
Authority
EP
European Patent Office
Prior art keywords
elevator car
elevator
tension
coupling
brake
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP06113302A
Other languages
German (de)
English (en)
Other versions
EP1849734A1 (fr
Inventor
Walter Windlin
Stefan Hugel
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.)
Inventio AG
Original Assignee
Inventio AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36843201&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1849734(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Inventio AG filed Critical Inventio AG
Priority to EP06113302A priority Critical patent/EP1849734B1/fr
Priority to DE502006004792T priority patent/DE502006004792D1/de
Priority to ZA200703438A priority patent/ZA200703438B/xx
Priority to BRPI0702007-4A priority patent/BRPI0702007A/pt
Priority to KR1020070041544A priority patent/KR101343700B1/ko
Priority to CN2007101362762A priority patent/CN101085661B/zh
Priority to US11/796,960 priority patent/US7905328B2/en
Priority to EP07107243A priority patent/EP1849735A1/fr
Publication of EP1849734A1 publication Critical patent/EP1849734A1/fr
Priority to HK08103833.7A priority patent/HK1113920A1/xx
Publication of EP1849734B1 publication Critical patent/EP1849734B1/fr
Application granted granted Critical
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66B5/16—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
    • B66B5/22—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 by means of linearly-movable wedges
    • 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
    • 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 invention relates to a braking device of an elevator car which brakes the elevator car at least when an inadmissibly high speed of the elevator car occurs.
  • Out JP06092568 is such a braking device in which a speed limiter with a pulley via a speed limiter rope activates a brake unit on an elevator car.
  • the speed governor rope circulates in the form of a closed loop, on the one hand, the pulley of the speed limiter arranged in the upper area of the car travel and, on the other hand, a cable deflection pulley present in the lower area of the car travel, one strand of the cable loop being coupled to an actuating element of the brake unit attached to the elevator car and thus to the elevator car is.
  • the lower Seilumlenktech is arranged vertically movable and loaded in the downward direction by a weight so that the cable loop is stretched by the lower SeilumlenkMIC.
  • a monitoring device with a detector monitors the position of this lower Seilumlenkusion to influence the elevator control in case of breakage or excessive elongation of theklasbe bayeauseils.
  • the invention has for its object to provide a braking device of the type described above, which does not have the disadvantages of the cited as prior art device.
  • a braking device for elevator cars is to be created in which, after a failure of the coupling between the speed governor cable and the brake unit of the elevator car, the elevator system does not remain in operation in a safety-related impermissible state.
  • the advantage achieved by the invention is essentially to be seen in the fact that the reliability of the elevator system is increased by an operating condition is avoided in a failure of the coupling (operative connection) between the traction means and the elevator car or the brake unit of the elevator car, in which the elevator car people are transported, although the prescribed fuse through the braking device is no longer functional.
  • the traction means of the braking device forms a Switzerlandstoffumlenkusionn circumferential closed loop, both ends of the traction means are fixed to a coupling element which simultaneously couples the traction means with the actuating element of the brake unit.
  • the coupling element has a weight that is sufficient in the case of failure of the coupling between the traction means and the elevator car to move the traction means together with the Switzerlandstoffumlenkimin in motion, so that the coupling element drops.
  • the monitoring device comprises a mounted in the lower Switzerlandstoffumlenkus detector which detects the coupling element, if this after a failure of the coupling between the traction means and the brake unit or the elevator car to the level of the detector has dropped.
  • the monitoring device comprises a detector mounted on the elevator car, which detects in normal operation whether the coupling element is in its normal position relative to the elevator car located, and signals a failure of the coupling between the traction means and the elevator car as soon as he no longer recognizes the coupling element.
  • the detector is a switch with galvanic contacts, which detects the presence of the coupling element by means of a mechanical probe element.
  • a reliable and easy to install braking device is achieved with a detector comprising a sensor that detects the presence of the coupling element without contact.
  • a detector comprising a sensor that detects the presence of the coupling element without contact.
  • inductive sensors, capacitive sensors or light sensors are used for this purpose.
  • the braking device according to the invention is designed such that the detector of the monitoring device is connected to an elevator control, which interrupts the operation of the elevator in the event of a detected failure of the coupling between the traction means and the brake unit or the elevator car.
  • the elevator control is designed so that it interrupts the operation of the elevator after the detected failure of said coupling only when the elevator car has reached a floor. This avoids that passengers unnecessarily remain trapped in the elevator car and need to be evacuated with outside help.
  • the attached to the elevator car 5 brake units 15 may be designed as a conventional elevator safety brakes.
  • brake wedges or eccentric discs are brought into frictional contact with the car guide rails 4 via an actuating lever 16 and a - not shown here - mechanical system of levers, whereupon the brake wedges or the eccentric discs due to the existing between them and the car guide rails relative movement and the friction effect in a position be brought in which they themselves or an intermediate brake body are pressed so strong against the car guide rails that the elevator car is braked.
  • the brake units 15 may, for example, also contain hydraulically actuated brake pistons, which press the brake plates against the car guide rail and thereby brake the elevator car.
  • the actuating lever 16 acts on valves that control the pressurization of the brake piston and thus the pressing of the brake plates against the guide rails.
  • these can slow down the travel of the elevator car in two or only in one direction of travel.
  • An activation system activates the brake units 15 in the event of an impermissibly high speed - hereinafter referred to as overspeed - or in other situations recognized by the elevator control 30, which require immediate and safe braking of the elevator car.
  • the activation system comprises a traction means 17 with two Anlagenstofftrumen extending parallel to the direction of travel of the elevator car, the traction means at least one upper Werstoffumlenkharimen 18 and a lower Werstoffumlenkusion 19 circulates and is connected at its two ends with a coupling element 23. This coupling element is coupled to the actuating lever 16 of the attached to the elevator car 5 brake unit 15 which is held in normal operation by a centering device 25 in its normal position.
  • a blocking device 20 which blocks the traction means when detected overspeed of the traction means 17 and the elevator car, or adjacent, generated by the elevator control 30 blocking signal, which depending on the embodiment of the blocking device blocking by direct braking of the traction means 17 or by blocking the upper Switzerlandstoffumlenkhari 18 can be done.
  • a pulling means 17 for the braking device for example, wire ropes, flat belts, toothed belts or link chains of all kinds are used.
  • the coupling element 23 of the traction mechanism 21 sinks with the strand of the traction means fixed to it in the direction of the lower traction sheave 19.
  • the coupling element 23 is designed sufficiently heavy for this purpose, so that its weight can move the traction means and the two Werschumlenkharin 18, 19 despite friction losses in motion.
  • This situation is in the lowest part of the Fig. 1 shown where the detector 27 shown as an electrical switch with a mechanical probe element 27.1 and the sunken coupling element 23 shown in dashed lines is.
  • the detector 27 signals the presence of the coupling element in its sunken position and thus the failure of said coupling between the coupling element 23 of the traction mechanism 21 and the elevator car 5 to the elevator control 30, which shuts down the elevator system, advantageously as soon as the elevator car has reached a floor.
  • Fig. 2 shows a second embodiment of the inventive braking device 2, in which the position of the coupling element 23 is monitored with respect to the elevator car 5 by a detector connected to the car 28.
  • a detector is used which detects the coupling element without contact, ie, which contains, for example, an inductively or capacitively operating sensor or an infrared light sensor.
  • the detector 28 signals the failure of said coupling to the elevator control, which stops the elevator system, preferably only in this embodiment of the braking device when the elevator car has reached a floor. It makes sense to alert the service organization responsible for the elevator installation at the same time.
  • Fig. 2 is already related to Fig. 1 mentioned centering device 25 particularly well recognizable, the operating lever 16 of the mounted on the elevator car 5 brake unit 15 is fixed in its normal position during normal operation of the elevator system to ensure that a strand of the circulating traction means 17 in the Normal operation moves synchronously with the elevator car up and down.
  • the centering of the actuating lever 16 in its normal position is realized in that a guided in a bore ball is pressed by a compression spring into a notch of a disc which is rotatable in solidarity with the actuating lever 16 about a common lever axis 26.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Claims (10)

  1. Dispositif de freinage (2) d'une cabine d'ascenseur (5), comprenant
    - au moins une unité de freinage (15) fixée à la cabine (5) et pourvue d'un élément d'actionnement (16),
    - au moins deux poulies de renvoi de moyens de traction (18, 19), l'une étant installée dans la zone de l'extrémité supérieure et l'autre dans la zone de l'extrémité inférieure de la trajectoire de la cabine,
    - un moyen de traction (17) qui passe sur les poulies de renvoi (18, 19), un brin du moyen de traction (17) s'étendant parallèlement à la trajectoire de la cabine d'ascenseur (5), étant accouplé à l'élément d'actionnement (16) de l'unité de freinage (15) et, de ce fait, à la cabine (5), et se déplaçant de manière synchrone avec celle-ci, en fonctionnement normal,
    - un dispositif de blocage (20) qui, au moins en cas de vitesse excessive de la cabine d'ascenseur (5), freine le moyen de traction (17), lequel active alors l'unité de freinage (15) par l'intermédiaire de l'élément d'actionnement (16),
    caractérisé en ce qu'il est prévu un dispositif de contrôle (29) qui détecte la défaillance de l'accouplement entre le moyen de traction (17) et la cabine d'ascenseur (5).
  2. Dispositif de freinage (2) selon la revendication 1, caractérisé en ce que le moyen de traction (17) forme une boucle fermée qui passe sur les poulies de renvoi (18, 19), les deux extrémités du moyen de traction (17) étant fixées à un élément d'accouplement (23) qui accouple le moyen de traction à l'élément d'actionnement (16) de l'unité de freinage (15).
  3. Dispositif de freinage (2) selon la revendication 2, caractérisé en ce que l'élément d'accouplement (23) présente un poids qui est suffisant, en cas de défaillance de l'accouplement entre le moyen de traction (17) et la cabine d'ascenseur (5), pour mettre en mouvement le moyen de traction avec les poulies de renvoi (18, 19), de sorte que l'élément d'accouplement (23) descend.
  4. Dispositif de freinage (2) selon la revendication 3, caractérisé en ce que le dispositif de contrôle (29) comprend un détecteur (27) qui est fixé dans la zone de la poulie de renvoi inférieure (19) et qui détecte l'élément d'accouplement (23) quand celui-ci est descendu jusqu'au niveau du détecteur (27) après une défaillance de l'accouplement entre le moyen de traction (17) et l'unité de freinage (15) ou de la cabine d'ascenseur (5).
  5. Dispositif de freinage (2) selon la revendication 3, caractérisé en ce que le dispositif de contrôle comprend un détecteur (28) qui est fixé à la cabine d'ascenseur (5), qui détecte, en fonctionnement normal, si l'élément d'accouplement (23) se trouve dans sa position normale par rapport à la cabine et qui détecte une défaillance de l'accouplement entre le moyen de traction (17) et l'unité de freinage (15) ou la cabine (5) lorsqu'il détecte que l'élément d'accouplement (23) ne se trouve plus dans sa position normale.
  6. Dispositif de freinage (2) selon la revendication 4 ou 5, caractérisé en ce que le détecteur (27 ; 28) est constitué par un commutateur avec des contacts galvaniques et détecte la présence de l'élément d'accouplement (23) à l'aide d'un élément palpeur mécanique (27.1).
  7. Dispositif de freinage (2) selon la revendication 4 ou 5, caractérisé en ce que le détecteur (27 ; 28) comprend un capteur qui détecte sans contact la présence de l'élément d'accouplement (23).
  8. Dispositif de freinage (2) selon l'une des revendications 4 à 7, caractérisé en ce que le détecteur (27 ; 28) du dispositif de contrôle (29) est relié à une commande d'ascenseur (30) qui interrompt le fonctionnement de l'installation d'ascenseur (1) en cas de détection d'une défaillance de l'accouplement entre le moyen de traction (17) et l'unité de freinage (15) ou la cabine d'ascenseur (5).
  9. Dispositif de freinage (2) selon la revendication 8, caractérisé en ce que la commande d'ascenseur (30) interrompt le fonctionnement de l'installation d'ascenseur (1) dès que la cabine d'ascenseur (5) a atteint un étage.
  10. Installation d'ascenseur avec un dispositif de freinage (2) selon l'une des revendications 1 à 9.
EP06113302A 2006-04-28 2006-04-28 Dispositif de freinage pour une cabine d'ascenseur. Expired - Fee Related EP1849734B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP06113302A EP1849734B1 (fr) 2006-04-28 2006-04-28 Dispositif de freinage pour une cabine d'ascenseur.
DE502006004792T DE502006004792D1 (de) 2006-04-28 2006-04-28 Bremseinrichtung einer Aufzugskabine
ZA200703438A ZA200703438B (en) 2006-04-28 2007-04-26 Brake device of an elevator car
BRPI0702007-4A BRPI0702007A (pt) 2006-04-28 2007-04-27 dispositivo de freio para um compartimento de elevador
KR1020070041544A KR101343700B1 (ko) 2006-04-28 2007-04-27 승강기 승강실의 브레이크 장치
CN2007101362762A CN101085661B (zh) 2006-04-28 2007-04-28 电梯轿厢的制动装置及具有该制动装置的电梯系统
US11/796,960 US7905328B2 (en) 2006-04-28 2007-04-30 Brake device of an elevator car
EP07107243A EP1849735A1 (fr) 2006-04-28 2007-04-30 Dispositif de freinage pour une cabine d'ascenseur.
HK08103833.7A HK1113920A1 (en) 2006-04-28 2008-04-07 Braking device for an elevator car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06113302A EP1849734B1 (fr) 2006-04-28 2006-04-28 Dispositif de freinage pour une cabine d'ascenseur.

Publications (2)

Publication Number Publication Date
EP1849734A1 EP1849734A1 (fr) 2007-10-31
EP1849734B1 true EP1849734B1 (fr) 2009-09-09

Family

ID=36843201

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06113302A Expired - Fee Related EP1849734B1 (fr) 2006-04-28 2006-04-28 Dispositif de freinage pour une cabine d'ascenseur.
EP07107243A Withdrawn EP1849735A1 (fr) 2006-04-28 2007-04-30 Dispositif de freinage pour une cabine d'ascenseur.

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07107243A Withdrawn EP1849735A1 (fr) 2006-04-28 2007-04-30 Dispositif de freinage pour une cabine d'ascenseur.

Country Status (8)

Country Link
US (1) US7905328B2 (fr)
EP (2) EP1849734B1 (fr)
KR (1) KR101343700B1 (fr)
CN (1) CN101085661B (fr)
BR (1) BRPI0702007A (fr)
DE (1) DE502006004792D1 (fr)
HK (1) HK1113920A1 (fr)
ZA (1) ZA200703438B (fr)

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DE102018009620A1 (de) 2018-12-07 2020-06-10 Chr. Mayr Gmbh + Co. Kg Bremse, Ventilanordnung und Verfahren zum Ansteuern einer Bremse
DE102019133376A1 (de) * 2019-12-06 2021-06-10 Chr. Mayr Gmbh + Co Kg Bremse, Schaltungsanordnung und Verfahren zum Ansteuern einer Bremse

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US8869946B2 (en) * 2009-10-28 2014-10-28 Mitsubishi Electric Corporation Emergency stop device for elevators
FI125134B (fi) * 2010-04-12 2015-06-15 Kone Corp Hissi
KR20130040912A (ko) * 2010-05-18 2013-04-24 오티스 엘리베이터 컴파니 통합 엘리베이터 안전 시스템
CN101973474B (zh) * 2010-11-08 2012-07-18 日立电梯(上海)有限公司 电梯超速保护装置
BR112013021886A2 (pt) * 2011-03-09 2016-11-01 Inventio Ag método e dispositivo de teste para testar um sistema de limitação de velocidade de uma instalação de elevador
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US9957133B2 (en) * 2013-02-07 2018-05-01 Mitsubishi Electric Corporation Elevator apparatus
CN105473487B (zh) * 2013-07-12 2018-04-06 通力股份公司 超速调节器张力滑轮组件
US10093515B2 (en) 2014-04-09 2018-10-09 Mitsubishi Electric Corporation Elevator apparatus
CN106185531B (zh) * 2016-10-09 2018-07-31 重庆能源职业学院 一种防坠落电梯抱紧机构
CN106219352B (zh) * 2016-10-09 2018-08-03 重庆能源职业学院 一种电梯坠落抱紧装置
CN110422720A (zh) * 2019-08-20 2019-11-08 武汉市云竹机电新技术开发有限公司 垂直提升全程超速保护系统
JP2023506904A (ja) * 2019-12-17 2023-02-20 インベンテイオ・アクテイエンゲゼルシヤフト エレベータ用安全ブレーキ

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018009620A1 (de) 2018-12-07 2020-06-10 Chr. Mayr Gmbh + Co. Kg Bremse, Ventilanordnung und Verfahren zum Ansteuern einer Bremse
WO2020115304A1 (fr) 2018-12-07 2020-06-11 Chr. Mayr Gmbh + Co. Kg Frein de cabine actionné par un fluide sous pression et système de soupape pour commander la fonction de frein d'urgence du frein de cabine actionné par un fluide sous pression d'un système d'ascenseur
DE102019133376A1 (de) * 2019-12-06 2021-06-10 Chr. Mayr Gmbh + Co Kg Bremse, Schaltungsanordnung und Verfahren zum Ansteuern einer Bremse
WO2021110413A1 (fr) 2019-12-06 2021-06-10 Chr. Mayr Gmbh + Co. Kg Frein, agencement de circuit et procédé pour l'activation d'un frein
US11939188B2 (en) 2019-12-06 2024-03-26 Chr.Mayr Gmbh + Co. Kg Brake, circuit arrangement and method for activating a brake

Also Published As

Publication number Publication date
HK1113920A1 (en) 2008-10-17
DE502006004792D1 (de) 2009-10-22
CN101085661B (zh) 2010-06-02
KR20070106466A (ko) 2007-11-01
CN101085661A (zh) 2007-12-12
BRPI0702007A (pt) 2007-12-18
US20070221453A1 (en) 2007-09-27
EP1849735A1 (fr) 2007-10-31
EP1849734A1 (fr) 2007-10-31
ZA200703438B (en) 2009-07-29
US7905328B2 (en) 2011-03-15
KR101343700B1 (ko) 2013-12-20

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