EP0475114A1 - Parachute pour un ascenseur avec un régulateur de vitesse monté sur la cabine - Google Patents

Parachute pour un ascenseur avec un régulateur de vitesse monté sur la cabine Download PDF

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Publication number
EP0475114A1
EP0475114A1 EP91113768A EP91113768A EP0475114A1 EP 0475114 A1 EP0475114 A1 EP 0475114A1 EP 91113768 A EP91113768 A EP 91113768A EP 91113768 A EP91113768 A EP 91113768A EP 0475114 A1 EP0475114 A1 EP 0475114A1
Authority
EP
European Patent Office
Prior art keywords
cabin
impeller
safety device
speed limiter
arm
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.)
Granted
Application number
EP91113768A
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German (de)
English (en)
Other versions
EP0475114B1 (fr
Inventor
David B. Pearson
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
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Inventio AG
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Filing date
Publication date
Application filed by Inventio AG filed Critical Inventio AG
Publication of EP0475114A1 publication Critical patent/EP0475114A1/fr
Application granted granted Critical
Publication of EP0475114B1 publication Critical patent/EP0475114B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66B5/044—Mechanical overspeed governors

Definitions

  • the invention relates to a safety device with a speed limiter for elevators arranged on a car, which has a wheel driven by a guide rail and supported by a U-shaped frame connected to the car by means of a preload cylinder, on which a release mechanism based on the centrifugal force principle is arranged , which actuates the safety gear in the downward direction when the car overspeeds.
  • a safety device with a speed limiter arranged on an elevator car which prevents translated speeds of the elevator car when traveling downhill.
  • the speed limiter essentially consists of a spring cylinder rotatably mounted on the elevator car in the direction of travel, which rests on a support at the non-supported end.
  • a fork-shaped frame is arranged which carries a roller cylinder with its ends.
  • One end of the fork-shaped frame is connected to the safety gear by means of an operating rod.
  • the rotatably mounted roller cylinder has on the circumference a groove corresponding in cross section to the profile of the free leg of the guide rail.
  • the actuation of the safety device triggered by the actuating rod is largely identical to the actuation of the safety device triggered by a limiter cable.
  • the release mechanism arranged in the interior of the roll cylinder essentially consists of a pair of weights, which are biased by a spring and rotate with the roll cylinder. With increasing circumferential speed, the weights move radially outward due to centrifugal forces until they hook with their hook-shaped ends on teeth of an internal cylinder which is fixed relative to the roller cylinder.
  • a disadvantage of the known device lies in the complicated mechanical structure of the release mechanism arranged inside the rolling cylinder. Great mechanical effort and the associated large manufacturing and assembly costs are detrimental to the speed limiter in terms of competitiveness.
  • Another disadvantage of the known device is the large masses to be moved in the event of a fault and the associated inertia of the entire safety device. In addition, you can only rely on the speed limiter if there is sufficient friction between the guide rail and the roller cylinder, which is only feasible with periodically cleaned guide rails.
  • the invention seeks to remedy this.
  • the invention as characterized in the claims, achieves the object of avoiding the disadvantages of the known device and of designing a safety device with a speed limiter arranged on the cabin in such a way that overspeeds of the cabin in the downward direction and in the upward direction can be avoided.
  • the advantages achieved by the invention are essentially to be seen in the fact that the speed limiter can be arranged independently of the direction of travel and therefore close to the safety gear, that few moving parts are involved in the triggering process, that due to the simple mechanical structure, a complete factory assembly is possible is what makes any on-site assembly unnecessary, that a complete factory adjustment of the safety gear and the speed limiter can be realized with the cabin on which they are arranged and that the adjustment work can be carried out with simple means.
  • 1 to 6, 1 designates a centrifugal speed limiter which cooperates with a safety gear 2 to prevent overspeeds of an elevator car A which are independent of the direction of travel.
  • a console 3 arranged on the elevator car A guides a shaft 4 at right angles to a guide rail 6 arranged on a shaft wall 5.
  • a U-shaped frame 7 is arranged, which carries an impeller 8.
  • a compression spring 9 is telescopically pushed over the shaft 4, so that the axially displaceable shaft 4 is biased towards the shaft wall, whereby the impeller 8 is pressed onto the free leg of the guide rail 6.
  • a pair of release levers 10 is provided on each impeller side, which acts on a locking ring 11 in the event of a fault.
  • the movement of the actuating lever 12 is transmitted on the one hand to a trigger arm 13 and on the other hand to an actuating rod 14, which in turn is connected to the trigger arm of the safety gear opposite.
  • the trigger arm 13 running parallel to the guide rail 6 plunges into a wedge box 15 of the safety device 2. In order to reset the safety device, elevator car A is approached in the opposite direction after a malfunction.
  • the release levers 10, which are rotatably mounted on pivot pins 16, consist of a first leg 17 and a second leg 18.
  • the first leg 17 ends with a centrifugal weight 19 that moves radially depending on the rotational speed, and a pawl 20 is arranged at the end of the second leg 18 in the event of a malfunction engages in one of the notches 21 arranged on the locking ring 11, as a result of which this is set into a rotational movement.
  • a pair of release levers 10 is connected in an articulated manner by means of a compensating member 22, which transfers the biasing force generated by a spring, not shown, from one release lever 10 to the other release lever 10.
  • a first arm 23 of the actuating lever 12 arranged on a wheel axle 24 has at the free end a bolt 25 which engages in an elongated slot 26 arranged on the speed limiter end of the release arm 13.
  • a second arm 27 of the actuating lever 12 transmits at its end the rotational movement of the locking ring 11 which occurs in the event of a fault onto the actuating rod 14.
  • the impeller 8 carried by the U-shaped frame 7 has a circumferential cross section corresponding to the profile of the free leg of the guide rail 6 28 on which the path covered by the elevator car A is transmitted to the impeller 8.
  • a safety wedge 29 is provided on each guide rail side, which slides on a track B or C depending on the direction of the fault in the event of a fault.
  • the catch wedges 29 are actuated by release fingers 30 arranged on the release arms 13 in the catch wedge center by means of actuating springs 31.
  • the prescribed stopping distance can be adjusted with adjusting screws 32 acting on the actuating springs 31.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Jib Cranes (AREA)
  • Types And Forms Of Lifts (AREA)
  • Braking Arrangements (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
EP91113768A 1990-09-13 1991-08-16 Parachute pour un ascenseur avec un régulateur de vitesse monté sur la cabine Expired - Lifetime EP0475114B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US582428 1990-09-13
US07/582,428 US5065845A (en) 1990-09-13 1990-09-13 Speed governor safety device for stopping an elevator car

Publications (2)

Publication Number Publication Date
EP0475114A1 true EP0475114A1 (fr) 1992-03-18
EP0475114B1 EP0475114B1 (fr) 1996-03-27

Family

ID=24329115

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91113768A Expired - Lifetime EP0475114B1 (fr) 1990-09-13 1991-08-16 Parachute pour un ascenseur avec un régulateur de vitesse monté sur la cabine

Country Status (17)

Country Link
US (1) US5065845A (fr)
EP (1) EP0475114B1 (fr)
JP (1) JP2863354B2 (fr)
CN (1) CN1023308C (fr)
AT (1) ATE136001T1 (fr)
AU (1) AU638866B2 (fr)
BR (1) BR9103946A (fr)
CA (1) CA2049510A1 (fr)
DE (1) DE59107609D1 (fr)
DK (1) DK0475114T3 (fr)
ES (1) ES2087934T3 (fr)
FI (1) FI92312C (fr)
HK (1) HK85997A (fr)
HU (1) HU207260B (fr)
MX (1) MX9101017A (fr)
NO (1) NO304181B1 (fr)
ZA (1) ZA916773B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU638866B2 (en) * 1990-09-13 1993-07-08 Inventio Ag Speed governor actuated safety device for stopping an elevator car
EP2687474A1 (fr) 2005-07-08 2014-01-22 Orona, S. Coop. Mécanisme détecteur de survitesse dans des appareils élévateurs, dispositif de sécurite agissant contre la survitesse et appareil élévateur

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04365771A (ja) * 1991-06-13 1992-12-17 Toshiba Corp エレベータ
ES2072212B1 (es) * 1993-08-18 1998-03-01 Navarro Jose Asensio Mecanismo automatico de puesta en marcha de frenos para uso en ascensores en caso de accidente.
US5495919A (en) * 1994-04-25 1996-03-05 Otis Elevator Company Safety brake apparatus for an elevator car or counterweight
EP0787676A1 (fr) * 1996-01-31 1997-08-06 Inventio Ag Dispositif de sécurité
US5927440A (en) * 1996-09-11 1999-07-27 Freeman; Glen D. Mobile hoist system and method
KR100279363B1 (ko) 1998-12-12 2001-01-15 장병우 엘리베이터의 비상 정지장치
US6161653A (en) * 1998-12-22 2000-12-19 Otis Elevator Company Ropeless governor mechanism for an elevator car
US6253879B1 (en) 1998-12-22 2001-07-03 Otis Elevator Company Apparatus and method of determining overspeed of an elevator car
US6173813B1 (en) 1998-12-23 2001-01-16 Otis Elevator Company Electronic control for an elevator braking system
US6170614B1 (en) 1998-12-29 2001-01-09 Otis Elevator Company Electronic overspeed governor for elevators
JP4109384B2 (ja) * 1999-05-27 2008-07-02 三菱電機株式会社 エレベータ調速機
US6981575B2 (en) * 1999-09-27 2006-01-03 Otis Elevator Company Concrete rail safety device for an elevator car
US6296080B1 (en) * 2000-06-21 2001-10-02 Otis Elevator Company Variable traction mechanism for rotary actuated overspeed safety device
KR100382973B1 (ko) * 2000-11-16 2003-05-09 현대엘리베이터주식회사 엘리베이터의 조속기
KR100382974B1 (ko) * 2000-12-27 2003-05-09 현대엘리베이터주식회사 승강식 운반수단의 조속기
KR100468092B1 (ko) * 2001-05-09 2005-01-26 현대엘리베이터주식회사 엘리베이터의 조속기
KR20030028818A (ko) * 2001-06-29 2003-04-10 미쓰비시덴키 가부시키가이샤 엘리베이터의 비상 브레이크 장치
US6691834B2 (en) 2001-09-06 2004-02-17 Otis Elevator Company Elevator governor
US7073632B2 (en) * 2003-05-27 2006-07-11 Invento Ag Safety system for restraining movement of elevator car when car doors are open
EP1689666A4 (fr) * 2003-11-18 2011-08-03 Otis Elevator Co Dispositif regulateur d'ascenseur
FI118850B (fi) * 2003-11-24 2008-04-15 Kone Corp Hissi ja menetelmä hissikorin lukitsemiseksi
ES2348101T3 (es) * 2007-08-03 2010-11-30 Thyssenkrupp Elevator Manufacturing Spain S.L. Aparato y sistema para detectar un exceso de velocidad de una cabina para ascensores.
JP5386377B2 (ja) * 2010-01-05 2014-01-15 株式会社日立製作所 エレベーター装置
CN102514996A (zh) * 2011-12-30 2012-06-27 江南嘉捷电梯股份有限公司 电梯限速装置
JP5771746B2 (ja) * 2012-05-30 2015-09-02 株式会社日立製作所 エレベーター装置
ES2483816B1 (es) 2013-02-07 2015-12-18 S.A. Sistel Sistema de control de posicionamiento, de limitación de velocidad y de movimientos incontrolados de cabina, o contrapeso, de un ascensor.
CN103287949B (zh) * 2013-06-17 2015-08-12 柳雪春 直顶式重载升降作业平台
CN103434909A (zh) * 2013-08-12 2013-12-11 谭锦泉 一种限速触发器
CN103588058B (zh) * 2013-10-30 2016-01-20 河北东方富达机械有限公司 绳轮制动器
CN103523629A (zh) * 2013-10-31 2014-01-22 西继迅达（许昌）电梯有限公司 双向无机房限速器
CN103523628A (zh) * 2013-10-31 2014-01-22 西继迅达（许昌）电梯有限公司 单制动压板装置的双向无机房限速器
EP2913287B1 (fr) 2014-02-26 2018-01-03 Otis Elevator Company Régulateur pour commander la vitesse d'un objet hissé par rapport à un élément de guidage
CN105197719A (zh) * 2014-08-13 2015-12-30 爱默生电梯有限公司 一种安全钳及使用方法
ES2842325T3 (es) * 2015-03-12 2021-07-13 Otis Elevator Co Limitador de velocidad de ascensor
CN104891301B (zh) * 2015-05-29 2017-03-22 杭州安尚无障碍设备开发有限公司 限速器
JP6518336B2 (ja) * 2015-10-13 2019-05-22 株式会社日立製作所 エレベータ装置
CN107021395B (zh) * 2016-01-04 2020-11-10 奥的斯电梯公司 具有自动复位的电梯超速调节器
CN107673159B (zh) * 2016-08-01 2020-09-08 奥的斯电梯公司 升降机的限速器
CN107758470B (zh) * 2016-08-18 2020-06-09 奥的斯电梯公司 用于补偿轮的张紧装置、补偿轮及电梯
CN106829682A (zh) * 2017-02-20 2017-06-13 宁波奥德普电梯部件有限公司 一种机械式触发机构
CN109775507B (zh) * 2019-03-14 2020-10-16 日立电梯（中国）有限公司 电梯、超速保护系统及其触发装置
CN110821989B (zh) * 2019-11-11 2020-11-06 中国电子科技集团公司第三十八研究所 一种提升机防坠落装置
US12297079B2 (en) 2020-10-01 2025-05-13 Otis Elevator Company Roller speed sensor with magnets and sensors

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250348A (en) * 1964-07-07 1966-05-10 Universal Mfg Co Overspeed brake for elevator cage
FR2332220A1 (fr) * 1975-11-24 1977-06-17 Holler Armand Dispositif de securite et de retenue pour parachute de cabines d'ascenseurs, monte-charge et autres
FR2409953A1 (fr) * 1977-11-29 1979-06-22 Elba Werk Maschinen Gmbh & Co Dispositif d'arret d'urgence pour ascenseurs ou monte-charge, notamment pour ceux qui comportent un entrainement par cremaillere
GB2179795A (en) * 1985-08-29 1987-03-11 Inventio Ag Speed-responsive shutdown device
US4662481A (en) * 1986-03-14 1987-05-05 Westinghouse Electric Corp. Elevator system
EP0279144A2 (fr) * 1986-12-23 1988-08-24 MANNESMANN Aktiengesellschaft Dispositif d'arrêt

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934682A (en) * 1972-11-23 1976-01-27 Hedstrom Ture E Safety device for lifts, hoists and like apparatus
US4029177A (en) * 1975-04-16 1977-06-14 International Telephone And Telegraph Corporation Overspeed brake for a lift car
AT376952B (de) * 1983-03-21 1985-01-25 Otis Elevator Co Bremsfangvorrichtung
US5065845A (en) * 1990-09-13 1991-11-19 Pearson David B Speed governor safety device for stopping an elevator car

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250348A (en) * 1964-07-07 1966-05-10 Universal Mfg Co Overspeed brake for elevator cage
FR2332220A1 (fr) * 1975-11-24 1977-06-17 Holler Armand Dispositif de securite et de retenue pour parachute de cabines d'ascenseurs, monte-charge et autres
FR2409953A1 (fr) * 1977-11-29 1979-06-22 Elba Werk Maschinen Gmbh & Co Dispositif d'arret d'urgence pour ascenseurs ou monte-charge, notamment pour ceux qui comportent un entrainement par cremaillere
GB2179795A (en) * 1985-08-29 1987-03-11 Inventio Ag Speed-responsive shutdown device
US4662481A (en) * 1986-03-14 1987-05-05 Westinghouse Electric Corp. Elevator system
EP0279144A2 (fr) * 1986-12-23 1988-08-24 MANNESMANN Aktiengesellschaft Dispositif d'arrêt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU638866B2 (en) * 1990-09-13 1993-07-08 Inventio Ag Speed governor actuated safety device for stopping an elevator car
EP2687474A1 (fr) 2005-07-08 2014-01-22 Orona, S. Coop. Mécanisme détecteur de survitesse dans des appareils élévateurs, dispositif de sécurite agissant contre la survitesse et appareil élévateur

Also Published As

Publication number Publication date
HUT59642A (en) 1992-06-29
FI92312C (fi) 1994-10-25
FI92312B (fi) 1994-07-15
MX9101017A (es) 1992-05-04
US5065845A (en) 1991-11-19
NO304181B1 (no) 1998-11-09
FI914211A0 (fi) 1991-09-06
ATE136001T1 (de) 1996-04-15
NO913556L (no) 1992-03-16
HU912958D0 (en) 1992-01-28
CN1061945A (zh) 1992-06-17
DK0475114T3 (da) 1996-07-08
CA2049510A1 (fr) 1992-03-14
HU207260B (en) 1993-03-29
CN1023308C (zh) 1993-12-29
HK85997A (en) 1997-06-27
BR9103946A (pt) 1992-05-26
NO913556D0 (no) 1991-09-10
EP0475114B1 (fr) 1996-03-27
AU8381791A (en) 1992-03-19
ES2087934T3 (es) 1996-08-01
DE59107609D1 (de) 1996-05-02
JP2863354B2 (ja) 1999-03-03
JPH04246079A (ja) 1992-09-02
FI914211A7 (fi) 1992-03-14
AU638866B2 (en) 1993-07-08
ZA916773B (en) 1992-05-27

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