EP2771267B1 - Limiteur de vitesse pour un ascenseur - Google Patents

Limiteur de vitesse pour un ascenseur Download PDF

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Publication number
EP2771267B1
EP2771267B1 EP12772332.8A EP12772332A EP2771267B1 EP 2771267 B1 EP2771267 B1 EP 2771267B1 EP 12772332 A EP12772332 A EP 12772332A EP 2771267 B1 EP2771267 B1 EP 2771267B1
Authority
EP
European Patent Office
Prior art keywords
limiter
wheel
speed
arm
force
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
EP12772332.8A
Other languages
German (de)
English (en)
Other versions
EP2771267A1 (fr
Inventor
Daniel Meierhans
Miriam HEINI
Reto Dräyer
Faruk Osmanbasic
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 EP12772332.8A priority Critical patent/EP2771267B1/fr
Publication of EP2771267A1 publication Critical patent/EP2771267A1/fr
Application granted granted Critical
Publication of EP2771267B1 publication Critical patent/EP2771267B1/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
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/044—Mechanical overspeed governors
    • B66B5/046—Mechanical overspeed governors of the pendulum or rocker arm type

Definitions

  • the proposed device relates to a speed limiter for an elevator consisting of a driven by a limiter rope pulley, which is connected to a cam wheel on which a locking ring with Sperrkranzzähnen is arranged and consisting of a pendulum lever, at one end a rolling on the cam sprocket and the other a nose dipping into the path of the ratchet teeth are provided.
  • a Geschwindingkeitsbesky which monitors the driving speed of an elevator car.
  • a pulley with a rope groove is rotatably supported by a first axis on a housing.
  • the rope groove accommodates a governor rope which maps the speed of the elevator car, the ends of the governor rope being connected to a safety gear arranged on the elevator car.
  • a cam wheel with cam is firmly connected to the pulley. At the cam wheel and a locking ring is provided.
  • a two-armed pendulum lever is pivotally mounted.
  • a rotatable spherical roller On a first arm of the pendulum lever, a rotatable spherical roller is arranged, which rolls on the end face of the cam wheel. The spherical roller is pressed by means of a retaining spring connected to the housing on the serving as a roller track end face.
  • the end of a second arm of the pendulum lever is formed as a pendulum nose, which dips into the path of Sperrkranzzähnen when the pendulum roller rolls over a cam.
  • the pendulum nose is lifted out of the way of the ratchet teeth when the shuttle rolls between two cams or in a nock valley. If the speed of the elevator car exceeds a predetermined value, the pendulum nose remains immersed in the path of the ratchet teeth and blocks the pulley.
  • a disadvantage of the known device is that in the event of triggering uncontrollable forces can occur on the parts of the speed limiter, on the governor rope and on the safety gear of the elevator car.
  • the proposed object solves the problem of avoiding the disadvantages of the known device and to provide a speed limiter safely actuated when triggered the safety gear of the elevator car and still protects the parts involved in the triggering including speed limiter against excessive force.
  • Fig. 1 is denoted by 1 in an elevator shaft 1.1 movable elevator car, which is connected by means of a guided over a traction sheave support cable with a counterweight. Traction sheave, suspension rope and counterweight are not shown.
  • a car door 1.2 closes the elevator car 1.
  • Guide rails 1.3 guide the elevator car 1 on its way.
  • a speed limiter 5 operating on the pendulum lever principle is provided, the movement of the elevator car 1 or of the counterweight being transmitted to the speed limiter 5 by means of a limiter cable 6.
  • the limiter rope 6 extends over the entire shaft height and is deflected at the lower end of the shaft by means of a guide roller 7 and tensioned by means of tension weight 7.1 and guided at the upper end of the shaft via a pulley of the speed limiter 5.
  • the ends of the Beipporseiles 6 are fastened to a arranged on the elevator car 1 tripping mechanism 8, which actuates an arranged on the elevator car 1 safety gear 9 in case of emergency or in the event of triggering.
  • Fig. 2 shows the speed limiter 5, which monitors the driving speed of the elevator car 1.
  • the pulley 10 with a rope groove 10.1 is rotatably supported by a first axis 11 on a housing 12.
  • the rope groove 10. 1 accommodates the governor rope 6 which maps the speed of the elevator car 1, the ends of the governor rope 6 being connected to the safety gear 9 arranged on the elevator car 1.
  • a cam 13 with cam 13.1 is fixedly connected to the pulley 10.
  • a locking ring 14 is provided at a second axis 15 connected to the housing 12, a two-armed pendulum lever 16 is pivotally mounted.
  • a rotatable spherical roller 16.2 is arranged, which rolls on an end face 13.2 of the cam wheel.
  • the pendulum roller 16.2 is pressed by means of a connected to the housing 12 retaining spring on the serving as a roller track face 13.2.
  • a Kraftbeskyrrad 16.4 is arranged, which dips into the path of Sperrkranzzähnen 14.1 when the shuttle roller 16.2 rolls over a cam 13.1.
  • the Kraftbeskyrad 16.4 is lifted from the path of the Sperrkranzzähne 14.1 when the shuttle roller 16.2 rolls between two cams or in a Nockental 13.3.
  • Exceeds the speed of the elevator car 1 a predetermined value the Kraftbeskyrrad 16.4 remains immersed in the path of the Sperrkranzzähne 14.1 and blocks the pulley 10th
  • a two-armed Vorabschalthebel 17 is pivotally mounted, which is actuated by means of the pawl 14, wherein the Vorabschalthebel 17 by means of a switch 18, the elevator drive switches off and engages the drive brake.
  • Fig. 3 shows details of Vorabschalthebels 17, which has a third arm 17.1 and a fourth arm 17.2 and is pivotally mounted on a third axis 17.3 on the second arm 16.3 of the pendulum lever 16.
  • a fourth arm 17.2 disposed on the first 17.4 nose dives slightly earlier than the Kraftbeskyrrad 16.4 in the path of the Sperrkranzzähne 14.1 and is pivoted about the third axis 17.3, the third arm 17.1 the switch 18 is actuated.
  • the Vorabschalthebel 17 is held in normal operation by means of a retaining element 17.5 relative to the second arm 16.3 of the pendulum lever 16 in a stable position.
  • a retaining element 17.5 for example, a spring-loaded ball may be provided, which partially dips into a bore on the fourth arm 17.2 and is pushed back in the case of release from the fourth arm 17.2 against the spring force.
  • Fig. 3 also shows the above-mentioned retaining spring 19 which is connected at one end to the housing 12 and the other end to a bolt 16.5 of the first arm 16.1 of the pendulum lever 16.
  • One end of the retaining spring 19 is connected to the housing 12 at a hole of a row of holes, the hole being selected according to the rated speed of the elevator car.
  • a slot 12.1 is provided, in which the bolt 16.5 can move freely.
  • the retaining spring 19 is adjusted so that the spherical roller 16.2 can follow the end face 13.2 of the cam wheel 13, provided that the elevator car does not exceed its rated speed.
  • Fig. 4 shows details of Kraftbeskyrrades 16.4, which is rotatably arranged by means of a fourth axis 16.6 on the second arm 16.3 of the pendulum lever 16 and is braked by a slip clutch 20.
  • the braking force can be adjusted for example by means disposed between Kraftbeskyrrad 16.4 and second arm 16.3 disc springs. Alternatively, it is also possible to provide spring-loaded balls which partially dip into bores of the force-limiting wheel 16.4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Braking Arrangements (AREA)

Claims (5)

  1. Limiteur de vitesse (5) pour un ascenseur, composé d'une poulie de câble (10) qui est apte à être entraînée à l'aide d'un câble de limiteur (6), et d'une roue à cames (13) qui est reliée à la poulie (10), et composé d'une couronne de blocage (14) qui est pourvue de dents de couronne de blocage (14.1) et qui est disposée sur la roue à cames (13), et composé d'un levier pendulaire (16) avec un premier bras (16.1) et un second bras (16.3), étant précisé qu'il est prévu sur le premier bras (16.1) un rouleau pendulaire (16.2) qui roule sur la roue à cames (13), et sur le second bras (16.3) une saillie (16.7) qui entre dans la trajectoire des dents de couronne de blocage (14.1),
    caractérisé en ce qu'il est prévu sur le second bras (16.3) du levier pendulaire (16) une roue de limiteur de force (16.4) avec plusieurs saillies (16.7), étant précisé qu'une saillie (16.7) respective entre dans la trajectoire des dents de couronne de blocage (14.1).
  2. Limiteur de vitesse selon la revendication 1, caractérisé en ce qu'il est prévu entre le levier pendulaire (16) et la roue de limiteur de force (16.4) un accouplement à glissement (20) qui freine la roue de limiteur de force (16.4), étant précisé qu'en cas de déclenchement, en présence d'une force du câble de limiteur (6) agissant excessivement sur la poulie de câble (10), la roue de limiteur de force (16.4) est tournée et la saillie (16.7) voisine entre dans la trajectoire des dents de couronne de blocage (14.1).
  3. Limiteur de vitesse selon la revendication 2, caractérisé en ce que l'accouplement à glissement (20) comporte des ressorts à disques qui freinent la roue de limiteur de force (16.4) jusqu'à une force excessive dans le câble de limiteur (6).
  4. Limiteur de vitesse selon la revendication 2, caractérisé en ce que l'accouplement à glissement (2) comporte des billes à ressort qui entrent en partie dans des perçages de la roue de limiteur de force (16.4) et qui freinent la roue de limiteur de force (16.4) jusqu'à une force excessive dans le câble de limiteur (6).
  5. Ascenseur avec une cabine d'ascenseur (1) apte à circuler dans une gaine d'ascenseur (1.1), et un limiteur de vitesse (5) selon l'une des revendications 1 à 4 qui est prévu pour surveiller la vitesse de la cabine (1), étant précisé que la vitesse de la cabine d'ascenseur (1) est apte à être transmise à l'aide d'un câble de limiteur (6) au limiteur de vitesse (5), et que les extrémités du câble de limiteur (6) sont fixées à un parachute (9) de la cabine (1).
EP12772332.8A 2011-10-27 2012-10-16 Limiteur de vitesse pour un ascenseur Not-in-force EP2771267B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12772332.8A EP2771267B1 (fr) 2011-10-27 2012-10-16 Limiteur de vitesse pour un ascenseur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11186928 2011-10-27
EP12772332.8A EP2771267B1 (fr) 2011-10-27 2012-10-16 Limiteur de vitesse pour un ascenseur
PCT/EP2012/070442 WO2013060597A1 (fr) 2011-10-27 2012-10-16 Limiteur de vitesse destiné à un ascenseur

Publications (2)

Publication Number Publication Date
EP2771267A1 EP2771267A1 (fr) 2014-09-03
EP2771267B1 true EP2771267B1 (fr) 2015-03-04

Family

ID=47018223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12772332.8A Not-in-force EP2771267B1 (fr) 2011-10-27 2012-10-16 Limiteur de vitesse pour un ascenseur

Country Status (3)

Country Link
US (1) US20130105250A1 (fr)
EP (1) EP2771267B1 (fr)
WO (1) WO2013060597A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105329738A (zh) * 2015-12-03 2016-02-17 宁波欣达电梯配件厂 电梯制动装置
CN106586760A (zh) * 2016-12-12 2017-04-26 快意电梯股份有限公司 防止无机房电梯限速器自动复位的装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8875846B2 (en) * 2009-06-04 2014-11-04 Inventio Ag Speed limiter in an elevator system
EP2760777B1 (fr) * 2011-09-30 2015-06-17 Inventio AG Dispositif de freinage doté d'un dispositif d'actionnement électromécanique
ES2566063T3 (es) 2011-09-30 2016-04-08 Inventio Ag Dispositivo de freno con accionamiento electromecánico
FI20125046L (fi) * 2012-01-16 2013-07-17 Kone Corp Hissi
CN106144826B (zh) * 2015-02-03 2018-07-03 合肥工业大学 一种电梯限速器的控制方法
CN108675079B (zh) * 2018-08-07 2023-04-07 重庆科技学院 一种电梯限速器辅助装置
US11104545B2 (en) * 2018-12-10 2021-08-31 Otis Elevator Company Elevator safety actuator systems
CN110950213B (zh) * 2019-12-30 2021-06-11 暨南大学 一种电梯钢丝绳相对滑移量的测量方法
CN111532928B (zh) * 2020-03-30 2021-07-16 日立电梯（中国）有限公司 升降设备、安全装置及限位机构
CN111777000B (zh) * 2020-07-14 2021-11-05 国网湖北省电力有限公司直流运检公司 一种电力维修用升降机限速装置

Family Cites Families (11)

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US167560A (en) * 1875-09-07 Improvement in automatic brakes for elevators
DE7207296U (de) * 1972-10-26 Fa H Jungblut Geschwindigkeitsbegrenzer für Aufzüge oder ähnliche Hebe- und Fördermittel mit zeitlicher Vorabschaltung
CH387902A (de) * 1961-08-12 1965-02-15 Inventio Ag Einrichtung zur Überwachung der Fahrgeschwindigkeit von Aufzügen
US3914725A (en) * 1974-08-30 1975-10-21 Littelfuse Inc Impulse relay
CH669181A5 (de) 1985-08-29 1989-02-28 Inventio Ag Vorabschalteinrichtung an einem nockenrad-geschwindigkeitsbegrenzer fuer aufzuege.
US5197571A (en) * 1991-06-03 1993-03-30 Burrell Michael P Self centering elevator cable safety brake
US5513723A (en) * 1994-07-01 1996-05-07 Harnischfeger Corporation Double-masted crane with improved brake arrangement
JP4109384B2 (ja) * 1999-05-27 2008-07-02 三菱電機株式会社 エレベータ調速機
DE19955443C2 (de) * 1999-11-18 2003-01-09 Bode Aufzuege Gmbh Bongers & D Begrenzerrad für Geschwindigkeitsbegrenzer
DE50309764D1 (de) * 2002-04-02 2008-06-19 Inventio Ag Einrichtung zum Einrücken einer Fangvorrichtung für eine Aufzugskabine
CN102196986A (zh) * 2008-10-24 2011-09-21 因温特奥股份公司 用于电梯的速度限制器

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105329738A (zh) * 2015-12-03 2016-02-17 宁波欣达电梯配件厂 电梯制动装置
CN105329738B (zh) * 2015-12-03 2018-01-02 宁波欣达电梯配件厂 电梯制动装置
CN106586760A (zh) * 2016-12-12 2017-04-26 快意电梯股份有限公司 防止无机房电梯限速器自动复位的装置
CN106586760B (zh) * 2016-12-12 2019-01-25 快意电梯股份有限公司 防止无机房电梯限速器自动复位的装置

Also Published As

Publication number Publication date
EP2771267A1 (fr) 2014-09-03
US20130105250A1 (en) 2013-05-02
WO2013060597A1 (fr) 2013-05-02

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