EP1953108B1 - Aufzug und Verfahren zur Überwachung dieses Aufzuges - Google Patents

Aufzug und Verfahren zur Überwachung dieses Aufzuges Download PDF

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Publication number
EP1953108B1
EP1953108B1 EP08100780A EP08100780A EP1953108B1 EP 1953108 B1 EP1953108 B1 EP 1953108B1 EP 08100780 A EP08100780 A EP 08100780A EP 08100780 A EP08100780 A EP 08100780A EP 1953108 B1 EP1953108 B1 EP 1953108B1
Authority
EP
European Patent Office
Prior art keywords
drive unit
lift
counterweight
supporting means
unit
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
EP08100780A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1953108A1 (de
Inventor
Philippe Henneau
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
Priority to EP08100780A priority Critical patent/EP1953108B1/de
Publication of EP1953108A1 publication Critical patent/EP1953108A1/de
Application granted granted Critical
Publication of EP1953108B1 publication Critical patent/EP1953108B1/de
Active 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/02—Control systems without regulation, i.e. without retroactive action
    • B66B1/06—Control systems without regulation, i.e. without retroactive action electric
    • B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
    • 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
    • B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • B66B19/007—Mining-hoist operation method for modernisation of elevators

Definitions

  • the invention relates to an elevator and a method for monitoring the elevator with a lift cage movable in an elevator car and a counterweight movable in the elevator shaft, wherein support means connect and carry the elevator car and the counterweight and a drive unit drives the support means.
  • JP-A-10279233 discloses an elevator according to the preamble of claim 1.
  • the invention solves the problem to provide an elevator and a method for monitoring this elevator, which prevents unauthorized lifting of the elevator car or the counterweight.
  • the advantages achieved by the invention are essentially to be seen in that particular Modernizations of elevator systems are simplified.
  • the drive unit is easily interchangeable and also a safety device for monitoring the support means can be mitein originate to slack or unauthorized lifting of the elevator car or the counterweight.
  • the counterweight-side suspension element becomes loose or flaccid.
  • the traction of the suspension element on the traction sheave can nevertheless be sufficient for the drive unit to be able to lift the empty or only slightly loaded elevator cage.
  • European Standard EN 81-1, paragraph 9.3 (c) it shall not be possible to lift the empty elevator car when the counterweight rests on the buffers. Lifting the elevator car could create dangerous situations where traction is no longer sufficient and the elevator car would fall back or crash. In the reverse direction lifting the counterweight is also not desirable.
  • the risk of lifting the elevator car or the counterweight exists in particular when serving as a support means belt or synthetic ropes with non-slip treads.
  • inventive monitoring of the support means for slackness no dangerous conditions can arise in extreme situations.
  • the drive unit is raised.
  • the vertical movement of the drive unit is monitored electrically or electronically.
  • the drive motor is switched off. Further advantageous in that the monitoring device according to the invention can be used independently of the type of drive unit.
  • this elevator with a movable in an elevator shaft elevator car and a counterweight movable in the elevator shaft connect and carry suspension means the elevator car and the counterweight, wherein a drive unit drives the suspension means and on the drive unit at least one acting as a force storage spring element is provided, the drive unit at a Relieving relief of the suspension element lifts and at least one sensor is provided which detects the increase in the drive unit and shuts off the motor of the drive unit.
  • Fig. 1 shows an elevator 1 with a movable in an elevator shaft 2 elevator car 3.
  • the elevator shaft 2 is limited by shaft walls 4, a pit 5 and a shaft ceiling 6.
  • support means 7 carry and connect the elevator car 3 with a movable in the elevator shaft 2 counterweight 8.
  • Not shown are guide rails for the elevator car 3 and the counterweight 8 and floors with inputs / outputs.
  • a drive unit 9 supported in a machine room 13 acting as a force accumulator spring elements 9 drives the elevator car 3 and the counterweight 8, wherein the spring elements 22 rest on a building body 27.
  • the drive unit 9 can also be arranged on the spring elements 22 bearing pedestals of the building 27.
  • the drive unit 9 consists of a motor unit 14 and a deflection unit 17, wherein the two units 14,17 are connected by means of spacers 23.
  • At least one steel cord or at least one synthetic fiber rope or at least one flat belt or at least one toothed belt or at least one longitudinal ribbed belt or at least one V-ribbed belt can be provided.
  • the support means 7 is fastened at one end to a first support means fixed point 10, then passed over a first guide roller 11 of the elevator car 3, then passed over a traction sheave 12 of the motor unit 14, then passed over a deflection roller 15 of the motor unit 14, then via a second guide roller 16 of Deflection unit 17, then guided over a third deflection roller 18 of the counterweight 8 and the other end fastened to a second support means fixed point 19.
  • the support means guide shown has a 2: 1 ratio, in which the elevator car 3 and the counterweight 8 vertically moves half a meter when the traction sheave 12 one meter support means 7 is moved. Other ratios, such as 1: 1 are also possible.
  • a first buffer 20 for the elevator car 3 and a second buffer 21 for the counterweight 8 is provided in the shaft pit 5.
  • Fig. 2 shows an arrangement variant of the drive unit 9.
  • the drive unit 9 is suspended from the shaft ceiling 6, wherein support bolts 24 are supported by means of nuts 25 to spring elements 22.
  • the spring elements 22 in turn are supported on plates 26, which rest on the structure 27.
  • Fig. 3 shows the drive unit 9 with the inventive monitoring device 28 for monitoring the unauthorized lifting of the elevator car 3.
  • the motor unit 14 of the drive unit 9 consists of a motor 30 which drives by means of Riemenvorgelege 31 consisting of Pulley 32 and belt 33, the traction sheave 12.
  • the monitoring device 28 consists of at least one spring element 22 acting as a force accumulator and at least one sensor 29, which detects a change in distance or the raising of the drive unit 9.
  • Fig. 4 shows a variant of the deflection unit 17 with the inventive monitoring device 28.
  • the second guide roller 16 is surrounded by a housing 34 and is supported by this.
  • a bracket 35 and the housing 34 at least two compression springs 36 acting as spring elements 22 and acting as energy storage are provided.
  • two belts are provided, which carry the counterweight 8.
  • Compression springs 36 more or less. In normal operation, the compression springs 36 are the most compressed, or the distance A between the housing 34 and console 35 is the smallest. If the carrier load is less, the compression springs 36 spring out or the distance A increases or the deflection unit 17 is raised.
  • the maximum deflection or the minimum distance A is limited by means of adjustable stops 37.
  • the stop 37 may for example consist of a threaded bolt which is screwed into a thread arranged on the housing 34 and secured by a locknut.
  • the change in the distance A can be monitored by means of the sensor 29 arranged on the side of the housing 34.
  • an electromechanical limit switch is provided, which is set to the maximum deflection of the compression springs 36 and changes its switching state at a rebound, for example, 8 mm.
  • the switching contact is connected in the safety circuit of the elevator.
  • the motor 30 of the drive unit 9 is switched off via safety circuit.
  • an inductive proximity switch can be provided, which is set to the maximum deflection of the compression springs 36 and changes its switching state at a rebound and interrupts the safety circuit and the motor 30 of the drive unit 9 turns off.
  • the compression springs 36 between the housing 34 and console 35 are arranged.
  • at least one compression spring 36 can be arranged on each side of the housing 34, wherein the compression spring 36 is supported at one end on a boom 34 arranged on the housing 34 and at the other end on the bracket 35.
  • the change in the distance A can be monitored by means of the sensor 29 arranged on the side of the housing 34.
  • a monitoring device 28 may be provided in the motor unit 14, which detects a resting of the elevator car 3.
  • a suspended drive unit 9 as shown in FIG Fig. 2 can also be provided a monitoring device 28, for example, detects the movement of the support pin 24 relative to the plate 26, wherein the spring element 22 is formed as a compression spring.
  • the monitoring device 28 according to the invention can be used for any type of drive unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Elevator Control (AREA)
  • Jib Cranes (AREA)
EP08100780A 2007-02-02 2008-01-22 Aufzug und Verfahren zur Überwachung dieses Aufzuges Active EP1953108B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08100780A EP1953108B1 (de) 2007-02-02 2008-01-22 Aufzug und Verfahren zur Überwachung dieses Aufzuges

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07101660 2007-02-02
EP08100780A EP1953108B1 (de) 2007-02-02 2008-01-22 Aufzug und Verfahren zur Überwachung dieses Aufzuges

Publications (2)

Publication Number Publication Date
EP1953108A1 EP1953108A1 (de) 2008-08-06
EP1953108B1 true EP1953108B1 (de) 2013-04-03

Family

ID=38236466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08100780A Active EP1953108B1 (de) 2007-02-02 2008-01-22 Aufzug und Verfahren zur Überwachung dieses Aufzuges

Country Status (15)

Country Link
US (1) US7926622B2 (es)
EP (1) EP1953108B1 (es)
JP (1) JP2008189472A (es)
KR (1) KR20080072553A (es)
CN (1) CN101234719B (es)
AR (1) AR065167A1 (es)
AU (1) AU2008200495B2 (es)
BR (1) BRPI0800200B1 (es)
CA (1) CA2619238C (es)
ES (1) ES2415373T3 (es)
HK (1) HK1123268A1 (es)
MX (1) MX2008001092A (es)
RU (1) RU2448892C2 (es)
TW (1) TWI394705B (es)
ZA (1) ZA200800357B (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3121140A1 (en) 2015-07-23 2017-01-25 Inventio AG Monitoring device for detecting slack in an arrangement comprising a multiplicity of flexible suspension and traction media (stm) of an elevator
EP3124421A1 (de) 2015-07-28 2017-02-01 Inventio AG Tragmittelaufhängvorrichtung mit asymmetrischer wippvorrichtung für eine aufzuganlage

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI1009909B1 (pt) 2009-04-20 2019-10-29 Inventio Ag instalação de elevador com no mínimo uma cabine de elevador e com no mínimo um contrapeso
EP2560909B1 (de) 2010-04-19 2014-08-20 Inventio AG Betriebszustandsüberwachung von tragmitteln in einer aufzugsanlage
WO2012004268A1 (de) 2010-07-09 2012-01-12 Inventio Ag Überwachung von tragmitteln in einer aufzugsanlage
MX2013006934A (es) * 2010-12-17 2013-07-22 Inventio Ag Instalacion de ascensor que comprende cabina y contrapeso.
EP2574583A1 (en) 2011-09-30 2013-04-03 Inventio AG Reducing over-traction in an elevator
EP2574584A1 (en) 2011-09-30 2013-04-03 Inventio AG Frictional drive for an elevator and operating method
US9120645B2 (en) * 2011-11-16 2015-09-01 Spacelift Products, Inc. Control system for a platform lift apparatus
CN102874668B (zh) * 2012-10-31 2014-12-10 蒂森克虏伯家用电梯(上海)有限公司 一种用于检测家用电梯钢丝绳断裂或松弛的装置
ES2639128T3 (es) * 2013-02-22 2017-10-25 Kone Corporation Método y disposición para vigilar la seguridad de un ascensor con contrapeso
WO2015072973A1 (en) 2013-11-12 2015-05-21 Otis Elevator Company Detection of stuck elevator car or counterweight
CN105829230A (zh) * 2013-12-17 2016-08-03 因温特奥股份公司 升降系统
EP3274285B1 (en) * 2015-03-27 2020-10-28 Otis Elevator Company Elevator system suspension member termination
US11198588B2 (en) * 2018-06-27 2021-12-14 Tk Elevator Innovation And Operations Gmbh Counterweight slack belt detection switch
EP3705435B1 (en) * 2019-03-05 2021-09-15 KONE Corporation A combined elevator vibration isolation and load measurement element

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JPS546747A (en) 1977-06-17 1979-01-19 Mitsubishi Electric Corp Ball coverring lens antenna
JPS5467947A (en) * 1977-11-11 1979-05-31 Hitachi Ltd Driver for elevator controller
SU709491A1 (ru) * 1978-01-05 1980-01-15 Проектно-Конструкторский Технологический Институт Устройство защиты от напуска каната подъемной установки
AU548742B2 (en) * 1981-06-15 1986-01-02 Anglo American Corporation Of South Africa Limited Slack rope detecting apparatus
JPS6288792A (ja) * 1985-10-15 1987-04-23 三菱電機株式会社 エレベ−タの荷重検出装置
DD245179A1 (de) * 1985-12-24 1987-04-29 Montan Leipzig Veb Vorrichtung zur schlaffseilverhinderung an hubeinrichtungen
JPH0255693U (es) * 1988-10-13 1990-04-23
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JPH0343082A (ja) * 1989-07-11 1991-02-25 Asahi Chem Ind Co Ltd トランス―４―シアノシクロヘキサンカルボン酸の製造方法およびそれに用いる酵素
DD290399A5 (de) 1989-12-20 1991-05-29 Veb Chemie- Und Tankanlagenbau,De Vorrichtung zur hubseilueberwachung
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3121140A1 (en) 2015-07-23 2017-01-25 Inventio AG Monitoring device for detecting slack in an arrangement comprising a multiplicity of flexible suspension and traction media (stm) of an elevator
EP3124421A1 (de) 2015-07-28 2017-02-01 Inventio AG Tragmittelaufhängvorrichtung mit asymmetrischer wippvorrichtung für eine aufzuganlage

Also Published As

Publication number Publication date
RU2448892C2 (ru) 2012-04-27
KR20080072553A (ko) 2008-08-06
AU2008200495A1 (en) 2008-08-21
CA2619238C (en) 2014-09-02
US20080185232A1 (en) 2008-08-07
BRPI0800200B1 (pt) 2018-08-28
RU2008103891A (ru) 2009-08-10
TWI394705B (zh) 2013-05-01
HK1123268A1 (en) 2009-06-12
AU2008200495B2 (en) 2013-02-14
US7926622B2 (en) 2011-04-19
BRPI0800200A2 (pt) 2009-06-02
AR065167A1 (es) 2009-05-20
TW200911673A (en) 2009-03-16
EP1953108A1 (de) 2008-08-06
MX2008001092A (es) 2009-02-24
ES2415373T3 (es) 2013-07-25
CA2619238A1 (en) 2008-08-02
ZA200800357B (en) 2008-11-26
CN101234719A (zh) 2008-08-06
JP2008189472A (ja) 2008-08-21
CN101234719B (zh) 2012-05-23

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