EP1633671B1 - Frein a cable pour ascenseur - Google Patents

Frein a cable pour ascenseur Download PDF

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Publication number
EP1633671B1
EP1633671B1 EP04736379A EP04736379A EP1633671B1 EP 1633671 B1 EP1633671 B1 EP 1633671B1 EP 04736379 A EP04736379 A EP 04736379A EP 04736379 A EP04736379 A EP 04736379A EP 1633671 B1 EP1633671 B1 EP 1633671B1
Authority
EP
European Patent Office
Prior art keywords
brake
pressure plate
cable
rope
springs
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.)
Not-in-force
Application number
EP04736379A
Other languages
German (de)
English (en)
Other versions
EP1633671A2 (fr
Inventor
Rudolf Eckenstein
Carlos Latorre Marcuz
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
Application filed by Inventio AG filed Critical Inventio AG
Priority to EP05112142A priority Critical patent/EP1637495B1/fr
Priority to EP04736379A priority patent/EP1633671B1/fr
Publication of EP1633671A2 publication Critical patent/EP1633671A2/fr
Application granted granted Critical
Publication of EP1633671B1 publication Critical patent/EP1633671B1/fr
Not-in-force 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
    • B66B5/185—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 acting on main ropes or main cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/16—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes for action on ropes or cables

Definitions

  • the invention relates to a cable brake for an elevator for stopping a cable strand by means acting on the cable brake plates, wherein a trigger mechanism initiates the braking operation and springs generate the braking force of the brake plates, which are reset after braking by means of a reset mechanism to the starting position.
  • a disadvantage of the known device is that the rope brake is constructed consuming.
  • the tripping mechanism, the cam-guided axis, the reset mechanism and the brake housing are costly to manufacture and time consuming to install.
  • the invention aims to remedy this situation.
  • the invention as characterized in claim 1 solves the problem of avoiding the disadvantages of the known device and to provide a simple and reliable working rope brake.
  • the advantages achieved by the invention are essentially to be seen in the fact that the release of the rope brake by means of gravity takes place.
  • the trigger mechanism can be constructed much easier.
  • a gravitationally acted mass element triggers the rope brake abruptly, which improves the tripping reliability.
  • the simply constructed reset mechanism with dual function.
  • the rope brake can by means of the reset mechanism after a trigger again be made ready for use.
  • the compression springs can be biased differently depending on the load or speed of the elevator car.
  • the simply constructed rope brake is easily retrofitted and is virtually maintenance-free and also needs no energy.
  • the rope brake can be mounted with little effort and essentially without interfaces.
  • Fig. 1 shows a schematic representation of an elevator system with the inventive safety device.
  • An elevator car 1 which can be moved in an elevator shaft (not shown) with doors 2, is connected to a counterweight 4 movable in the elevator shaft by means of a cable strand 3.
  • An electric motor 5 drives an input shaft 6 of a transmission 7.
  • a rope pulley 3 driving and supporting traction sheave 9 is arranged.
  • the transmission 7 has, for example, a worm 7.1 arranged on the input shaft 6 and a worm wheel 7.2 arranged on the output shaft 8. Other types of transmission such as a spur gear are also conceivable.
  • a service brake 10 is provided at the transmission-side end of the input shaft 6.
  • a first encoder 11 for detecting the rotational speed of the input shaft 6 is arranged.
  • a second encoder 12 for detecting the rotational speed of the output shaft 8 is arranged.
  • the second encoder 12 as shown by a broken line, instead of the speed of the output shaft 8, the speed of the traction sheave 9 or the movement of the rope strand 3 detect.
  • the signals of the encoders 11, 12 are fed to an evaluation unit 13 which, depending on the result of the evaluation, interrupts a safety circuit 14 of an elevator control, not shown, and / or activates a rope brake 15.
  • Transmitter 13 and encoder 11,12 form a detector for monitoring the speed of the input shaft 6 and the output shaft 8 and for generating actuator signals for example, the rope brake 15th
  • Fig. 2 shows the basic structure of the rope brake 15 with vertical rope course.
  • the rope brake 15 consists of a housing 16 to which a first brake plate 17 is fixedly arranged and a second brake plate 18 which is movably arranged in the housing 16.
  • the cable strand 3 passes between the brake plates 17,18.
  • the cable strand 3 is held by means disposed above the elevator car clamp 19 in a plane defined by the brake plates 17,18 level.
  • a first provided with pin 20 pressure plate 21 is arranged at the second brake plate 18.
  • the pins 20 carry compression springs 22 which are clamped between the first pressure plate 21 and a second, displaceable in the housing 16 pressure plate 23.
  • the second pressure plate 23 is displaceable by means of a screw 16 rotatably mounted on the housing 16 and arranged on the second pressure plate 23 nut 25 along the path designated w, wherein the compression springs 22 are biased depending on the position of the second pressure plate 23.
  • the compression springs 22 are relaxed, wherein the first pressure plate 21 and acting on the first pressure plate 21 release rods 26 are movable into their initial position and latched to the nose 32.
  • the trip bars 26 are guided on the housing 16 and connected to the first pressure plate 21 opposite ends by means of a transverse web 27. After locking the transverse web 27 with a first trigger lever 28, the screw 24 is rotated on a screw head 29 until the second pressure plate 23 has reached its working position.
  • Screw 24 with screw head 29 and nut 25 form the reset mechanism RM.
  • the second pressure plate 23 is movable into the end position designated e2.
  • the working position of the second pressure plate 23 is depending on the compression springs 22, of the elevator car 1 and its load and of the rated speed of the elevator car. 1
  • the first trigger lever 28 consists of a first leg 30 and a second leg 31 with nose 32, wherein the first trigger lever 28 is rotatably mounted on a first axis 33.
  • the nose 32 locks with the crossbar 27.
  • the position of the crossbar 27 can be monitored by means of sensor 34, for example by means of limit switches.
  • an electromagnet 36 Arranged on a mounting bracket 35 is an electromagnet 36 which, in the activated state, holds a mass element 37.
  • Bracket 35, solenoid 36, mass member 37, guide rods 38 and first trigger lever 28 form the trigger mechanism AM.
  • the mass element 37 falls down along the guide rods 38 under the action of gravity and strikes the first leg 30 of the first trigger lever 28.
  • Springs 41 ensure a safe detachment of the mass element 37 from the electromagnet 36.
  • Fig. 3 shows the rope brake 15 in normal operation.
  • the nose 32 is locked to the transverse web 27.
  • the cable strand 3 runs freely between the brake plates 17,18.
  • Fig. 4 shows the position of the nose 32 after the impact of the mass element 37 on the first leg 30 of the first trigger lever 28.
  • the crosspiece 27 is released, the deceleration of the rope strand 3 is shortly before.
  • Fig. 5 shows the position of the transverse web 27 after the compression springs 22 have pressed the second brake plate 18 to the cable strand 3.
  • FIGS. 7 and 8 show the basic structure of the rope brake 15 at an angle rope course.
  • Fig. 9 shows a three-dimensional view of the inventive rope brake with oblique rope course. The cable course is inclined relative to the vertical (vertical) by the angle n. With the arranged in the vertical guide rods 38, the operation of the mass element 37 is maintained. When triggered, the mass element 37 meets a second release lever 39 which is rotatably mounted on a second axis 40 and the first release lever 28 is actuated.
  • Fig. 8 shows the position of the nose 32 after the impact of the mass 37 on the second trigger lever 39th
  • Fig. 10 shows a variant of the cable brake 15.
  • the compression springs 22 are supported at one end directly to the housing 16 and the other end to the first pressure plate 21.
  • the trip bar 26 engages, which has an adjusting screw 26.1 at the opposite end.
  • Per cable brake side is guided by means of guide rods 38 and arranged on a slide 37.1 mass element 37 is provided, wherein the slide 37.1 by means of a bolt 36.1 of the electromagnet 36 is releasable.
  • Fig. 11 shows details of the release mechanism AM of the rope brake 15 according to Fig. 10 ,
  • the first trigger lever 28 is shown in its release position with a bold line.
  • a guided in a long slot 16.1 of the housing 16 bolt 16.2 holds the trip bar 26 on a nose 26.2 back, the movement of the bolt 16.2 down by means of a nose 28.1 of the first trigger lever 28 is prevented.
  • the way of the bolt is 16.2 down freely.
  • the trip bar 26 is moved in the direction of the cable strand 3 and initiated the braking process.

Claims (3)

  1. Frein de câble pour un ascenseur, destiné à immobiliser un brin de câble (3) à l'aide de plaquettes de frein (17, 18) qui agissent sur celui-ci, un mécanisme de déclenchement (AM) amorçant le freinage et des ressorts (22) produisant la force de freinage des plaques de frein (17, 18), qui sont aptes à être ramenées dans leur position initiale grâce à un mécanisme de rappel (RM), après le freinage,
    caractérisé en ce que la force de freinage des plaques de frein (17, 18) est apte à être réglée grâce au mécanisme de rappel (RM), la course élastique des ressorts (22) lors du réglage et du rappel pouvant être modifiée, et le réglage et le rappel se faisant en sens inverse et dans le sens de l'axe longitudinal des ressorts (22).
  2. Frein de câble selon la revendication 1, caractérisé en ce que les ressorts (22) sont disposés entre une première plaque de pression (21) reliée à la plaque de frein (18) et une seconde plaque de pression (23), la seconde plaque de pression (23) étant réglable entre deux positions de fin de course (e1, e2).
  3. Frein de câble selon la revendication 1 ou 2, caractérisé en ce que la seconde plaque de pression (23) est réglage grâce à une vis (24) disposée en rotation sur un carter de frein (16), et à un écrou (25) disposé sur la seconde plaque de pression (23).
EP04736379A 2003-06-16 2004-06-09 Frein a cable pour ascenseur Not-in-force EP1633671B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05112142A EP1637495B1 (fr) 2003-06-16 2004-06-09 Frein à cable pour ascenseur
EP04736379A EP1633671B1 (fr) 2003-06-16 2004-06-09 Frein a cable pour ascenseur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03405430 2003-06-16
PCT/CH2004/000348 WO2004110916A2 (fr) 2003-06-16 2004-06-09 Frein a cable pour ascenseur
EP04736379A EP1633671B1 (fr) 2003-06-16 2004-06-09 Frein a cable pour ascenseur

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP05112142A Division EP1637495B1 (fr) 2003-06-16 2004-06-09 Frein à cable pour ascenseur

Publications (2)

Publication Number Publication Date
EP1633671A2 EP1633671A2 (fr) 2006-03-15
EP1633671B1 true EP1633671B1 (fr) 2008-05-21

Family

ID=33547822

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04736379A Not-in-force EP1633671B1 (fr) 2003-06-16 2004-06-09 Frein a cable pour ascenseur
EP05112142A Not-in-force EP1637495B1 (fr) 2003-06-16 2004-06-09 Frein à cable pour ascenseur

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP05112142A Not-in-force EP1637495B1 (fr) 2003-06-16 2004-06-09 Frein à cable pour ascenseur

Country Status (7)

Country Link
US (2) US7287627B2 (fr)
EP (2) EP1633671B1 (fr)
CN (1) CN100515916C (fr)
AT (2) ATE396141T1 (fr)
DE (1) DE502004007232D1 (fr)
HK (1) HK1089742A1 (fr)
WO (1) WO2004110916A2 (fr)

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ATE396141T1 (de) * 2003-06-16 2008-06-15 Inventio Ag Seilbremse für einen aufzug
US20090014253A1 (en) * 2004-12-27 2009-01-15 Louis Morrissette Braking mechanism for moving assemblies
EP1834917B1 (fr) 2006-03-16 2015-05-20 ThyssenKrupp Aufzugswerke GmbH Système d'ascenseur avec un moteur électrique
JP2009035377A (ja) * 2007-08-01 2009-02-19 Toshiba Elevator Co Ltd エレベータの乗りかご固定装置
EP2058262B2 (fr) † 2007-11-12 2016-06-01 ThyssenKrupp Elevator AG Dispositif de freinage destiné au freinage d'une cabine
WO2009131633A1 (fr) * 2008-04-21 2009-10-29 Hollister-Whitney Elevator Corp Frein de cabine d'ascenseur avec des patins actionnés par des ressorts couplés à un ensemble entraînement par engrenages
US8631909B2 (en) * 2009-03-16 2014-01-21 Otis Elevator Company Electromagnetic safety trigger
US8485318B2 (en) * 2009-05-15 2013-07-16 Paul J. Doran Elevator rope braking system
US8256579B2 (en) * 2009-12-23 2012-09-04 Yanhua Jia Elevator car brake
US8664544B2 (en) * 2010-07-29 2014-03-04 Hydac Accessories Gmbh Attachment system for cables, in particular for wind turbines
KR101011024B1 (ko) * 2010-08-17 2011-01-26 배후근 로프 제동장치
CA2821144C (fr) 2010-12-17 2019-02-19 Inventio Ag Dispositif d'actionnement et de mise a zero d'un parachute
WO2013045358A1 (fr) 2011-09-30 2013-04-04 Inventio Ag Système de freinage à actionnement électromécanique
EP2760777B1 (fr) * 2011-09-30 2015-06-17 Inventio AG Dispositif de freinage doté d'un dispositif d'actionnement électromécanique
CN104203791B (zh) * 2012-03-20 2016-10-26 因温特奥股份公司 电梯设备中的防坠装置
NL2008623C2 (en) * 2012-04-11 2013-10-15 Reco Special Products B V A modular lift apparatus and a method for assembling a modular lift apparatus.
DE102012111778A1 (de) * 2012-12-04 2014-06-05 Thyssenkrupp Elevator Ag Seilklemme und Aufzuganlage mit Seilklemme
US20140247129A1 (en) 2013-03-01 2014-09-04 Ricardo Lewis de la Fuente Impact awareness device
US10729201B1 (en) 2013-03-01 2020-08-04 Rlf Industries Llc Impact protection apparatus
CN104150316B (zh) * 2014-08-07 2017-05-24 江苏蒙哥马利电梯有限公司 一种防止电梯轿厢异常移动的装置
DE112016001610T5 (de) * 2015-04-06 2017-12-28 Ekso Bionics, Inc. Kabelschleifen-Betätigungselement für ein Exoskelett
CN106698142A (zh) * 2015-08-10 2017-05-24 吕虎松 一种电梯用扁平牵引带夹持装置及其使用方法
EP3279125B1 (fr) * 2016-08-03 2019-12-25 Alimak Group Management AB Dispositifs d'arrêt de chute et procédés associés
CN106276480A (zh) * 2016-10-31 2017-01-04 宁波隆胜泰电梯部件有限公司 一种带自动复位的电机驱动的电梯夹绳装置
EP3538468B1 (fr) 2016-11-10 2020-10-07 Inventio AG Frein à câble, cabine d'ascenseur et ascenseur
DE102016125559A1 (de) * 2016-12-23 2018-06-28 Thyssenkrupp Ag Aufzug und verfahren zum betreiben eines aufzugs
US10569993B2 (en) * 2017-03-29 2020-02-25 Otis Elevator Company Safety brake actuation mechanism for a hoisted structure
CN107585657B (zh) * 2017-08-31 2023-05-26 上海盛蒂斯自动化设备股份有限公司 防止轿厢意外移动的夹绳器触发装置及触发方法
US20190135596A1 (en) * 2017-11-07 2019-05-09 Wenger Corporation Line brake
CN111032555B (zh) * 2018-05-07 2021-11-19 G.A.L.生产有限责任公司 具有制动蹄的电梯紧急制动器
EP3819245A1 (fr) * 2019-11-08 2021-05-12 KONE Corporation Ascenseur
US11780715B2 (en) 2020-03-16 2023-10-10 Wenger Corporation Hoist brake
CN111498722B (zh) * 2020-04-15 2021-10-08 如东前进石油机械制造有限公司 一种安全悬挂装置
KR102267301B1 (ko) * 2020-10-20 2021-06-21 주식회사 휴먼엔티 로프 제동장치

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Also Published As

Publication number Publication date
US7287627B2 (en) 2007-10-30
DE502004007232D1 (de) 2008-07-03
ATE396141T1 (de) 2008-06-15
ATE508980T1 (de) 2011-05-15
CN1805897A (zh) 2006-07-19
EP1637495A2 (fr) 2006-03-22
CN100515916C (zh) 2009-07-22
HK1089742A1 (en) 2006-12-08
EP1637495B1 (fr) 2011-05-11
EP1633671A2 (fr) 2006-03-15
WO2004110916A2 (fr) 2004-12-23
US20060090969A1 (en) 2006-05-04
EP1637495A3 (fr) 2006-04-12
US7543690B2 (en) 2009-06-09
WO2004110916A3 (fr) 2005-05-12
US20060118366A1 (en) 2006-06-08

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