EP1669315A1 - Méthode et dispositif d'entraînement de secours pour entraîner une cabine d'ascenseur - Google Patents

Méthode et dispositif d'entraînement de secours pour entraîner une cabine d'ascenseur Download PDF

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Publication number
EP1669315A1
EP1669315A1 EP04106506A EP04106506A EP1669315A1 EP 1669315 A1 EP1669315 A1 EP 1669315A1 EP 04106506 A EP04106506 A EP 04106506A EP 04106506 A EP04106506 A EP 04106506A EP 1669315 A1 EP1669315 A1 EP 1669315A1
Authority
EP
European Patent Office
Prior art keywords
auxiliary
auxiliary unit
unit
drive element
elevator car
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.)
Withdrawn
Application number
EP04106506A
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German (de)
English (en)
Inventor
Daniel Fischer
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 EP04106506A priority Critical patent/EP1669315A1/fr
Publication of EP1669315A1 publication Critical patent/EP1669315A1/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/02—Manually-operated, e.g. lever-actuated, devices operating on ropes, cables, or chains for hauling in a mainly horizontal direction
    • 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
    • B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
    • 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
    • B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door

Definitions

  • the invention relates to a method for the auxiliary driving of an elevator car, for example in the case of a blockage, according to claim 1 and an auxiliary drive device for the auxiliary driving of an elevator car, for example in the case of a blockage, according to claim 7.
  • Elevator cabs are occasionally blocked at locations where exit for passengers in the elevator car and / or repair of non-functioning elements is not possible.
  • Reasons for the blockage of the elevator cars may be, for example, defective brake devices, power failure and defective emergency power supply, blocked bearings, blocked motors or blocked flexible drive elements.
  • an auxiliary drive device which essentially comprises three auxiliary units.
  • the first auxiliary unit is formed like a clamp and arranged so that it is movable in solidarity with the elevator car or with the drive element.
  • the second auxiliary unit is fixed, preferably only when needed, attached to the guide rail.
  • the third auxiliary unit comprises a flexible auxiliary drive element and an auxiliary drive mechanism, wherein the auxiliary drive element is attached to the first auxiliary unit and to the second auxiliary unit.
  • the main advantages of the invention are the following: There is a backup for the suspension or mounting of the elevator car by the flexible drive element, which runs as in normal operation on the drive roller to the counterweight.
  • the flexible drive element is at least partially relieved by the auxiliary drive device.
  • the elevator car can be brought easily and safely to a station where passengers can get off, but not It is necessary to call auxiliary persons such as the fire brigade and / or to open the elevator car by force and thereby partially destroy it.
  • the elevator car can easily be brought into a suitable location for repair work, whereby it is not necessary to install a scaffold in the elevator shaft to get to the machine, because the ceiling or the roof of the elevator car can be used as a platform.
  • auxiliary drive device can not be operated from the interior of the elevator car, a professional operation is ensured by maintenance personnel and abuse by passengers excluded.
  • FIG. 1 shows an elevator system with an auxiliary drive device according to the invention.
  • Fig. 2A shows an example of an auxiliary unit without the flexible driving element
  • FIG. 2B shows an example of a further auxiliary unit with four flexible driving elements
  • Fig. 3 shows an example of an auxiliary unit mounted on a guide rail
  • Fig. 4 shows an example of an auxiliary unit comprising a flexible auxiliary driving member and an auxiliary driving mechanism.
  • Fig. 1 shows an elevator system 2 with an elevator car 4 with Deflection rollers 6, two guide rails 8.1, 8.2, an elongate flexible drive element 10, a traction sheave 12, and a counterweight 14 with a guide roller 16.
  • the elongated flexible drive element 10 generally a support belt (flat belt, timing belt, or V-ribbed belt), is connected to two Fixation points 18.1, 18.2 attached in the elevator shaft.
  • the drive element 10 runs from the first fixing point 18.1 around the deflection roller 16, which is loaded with a counterweight 14, further around the traction sheave 12 and around the deflection rollers 6 on the elevator car 4 to the second fixing point 18.2.
  • This type of configuration is called sub-looping.
  • the elevator car 4 is suspended or supported by the elongated flexible drive element 10 on fixed parts, not shown, of the elevator system 2, on the one hand to the fixing points 18.1, 18.2 and on the other hand via the traction sheave 12 on the guide rail 8.1.
  • the constructive elements described so far are essentially known.
  • the structural elements of the auxiliary drive device according to the invention will now be described below.
  • the auxiliary drive device according to the invention essentially comprises three auxiliary units 20, 22 and 24 cooperating in operation.
  • the first auxiliary unit 20 is formed as a clamp-like fixing unit which is intended to be fixed so that it moves in solidarity with the elevator car 4 or with the driving element 10.
  • this first auxiliary unit 20 can be fastened either directly to the elevator car 4 or in the region of the elevator car 4 and in any case between the deflection roller 6 and the traction sheave 12 on the flexible drive element 10, as shown in FIG.
  • the second auxiliary unit 22 comprises a further fixing unit, which is determined to be fixed to the guide rail 8.1. It is advantageous if this second auxiliary element 22 is self-locking, so that it can be arranged for example by hanging or attaching to the guide rail 8.1 and fixed there.
  • the third auxiliary unit 24 comprises an elongated flexible auxiliary driving member (shown in broken lines in Fig. 1), for example, a chain or a belt having two ends and an auxiliary drive mechanism 24.2.
  • the flexible auxiliary drive element is anchored with a first end in the first auxiliary unit 20.
  • a first run 24.11 of the auxiliary drive element runs from the first auxiliary unit 20 to the second auxiliary unit 24, where it is deflected.
  • a second run 24.12 of the auxiliary drive element runs away from the second auxiliary unit 22, wherein the second run 24.12 preferably runs in the vicinity of the first run 24.11.
  • the auxiliary drive mechanism 24.2 is arranged between the first auxiliary unit 20 and the second auxiliary unit 22 on the two strands 24.11 and 24.12 of the auxiliary drive element 24.1 and actuated by means of a lever 24.20.
  • the distance A between the first auxiliary unit 20 and the second auxiliary unit 22 is reduced, wherein the effective part of the first run 24.11 of the auxiliary drive element shortens and the second run 24.12, that of the second auxiliary unit 22 his second, free end is extended.
  • the elevator car 4 is moved in the direction of arrow B up to the second auxiliary unit 22.
  • the weight of the elevator car 4 now at least partially no longer loads the second guide rail 8.1 via the traction sheave 12 but via the second auxiliary unit 22, since the drive element 10 is at least partially relieved by the auxiliary drive device 20, 22, 24. At least a portion of the forces occurring neither initiated via the auxiliary unit 22 in the guide rail 8.1.
  • the drive motor is not decoupled from the traction sheave 12 when the auxiliary drive means 20, 22, 24 is used.
  • the contacting surfaces of the drive element 10 and the traction sheave 12 should be such that the drive element 10 can slide over the blocked traction sheave 12 when the counterweight 14 drops.
  • the drive motor is decoupled from the traction sheave 12 when the auxiliary drive device 20, 22, 24 is used.
  • the traction sheave 12 then rotates freely with the drive element 10 when the counterweight 14 drops.
  • the auxiliary drive mechanism 24.2 is usually operated by muscle power, although this may also be provided a motor auxiliary drive.
  • the first auxiliary unit 20 is formed as a clamp-like fixing unit which is intended to be fixed so that it moves in solidarity with the elevator car 4 or with the driving element 10. For this purpose, this first auxiliary unit 20 can be attached directly to the flexible drive element 10.
  • An embodiment of such an auxiliary unit 20 is shown in FIG. 2A.
  • Another embodiment 30 is shown in FIG. 2B remove.
  • the auxiliary unit 20 may comprise two elements 20.1 and 20.2, which are each placed on one side of the drive element 10 and then screwed together. For this purpose, a plurality of screws, for example, wing screws 21 may be provided.
  • the first auxiliary unit 20 includes means for connecting the auxiliary flexible driving member (for example, a chain or a belt) to the auxiliary unit 20.
  • a hole 22 is provided in one of the elements 20.1 so that the flexible auxiliary driving element can be passed through this hole 22. It is also conceivable, as shown in FIG. 4, that the flexible auxiliary drive element has a hook or an eyelet in order to establish the connection to the auxiliary unit 20.
  • FIG. 2A is a variant of the auxiliary device 20, which is designed to be fastened between two flexible driving elements 10 as required.
  • the two flexible drive elements are substantially parallel to each other.
  • the auxiliary device is screwed to the driving elements 10 such that each driving element 10 extends between the wing screws of the right-hand group of screws and one driving element 10 between the wing screws of the left-hand group of screws.
  • auxiliary unit 30 comprises two elements 30.1 and 30.2, which are each placed on one side of the drive element 10 and then screwed together.
  • four driving elements 10 run parallel to each other.
  • There are several wing screws 31 are provided to screw the elements 30.1, 30.2 together and thereby pinch the driving elements 10.
  • the auxiliary unit 30 also has a hole 32 in one of the elements 30. 1, so that the flexible auxiliary drive element (not shown) can be guided through this hole 32. It is also conceivable, as shown in Fig. 4, that the flexible auxiliary driving element a hook or an eyelet to make the connection to the auxiliary unit 30.
  • Fig. 3 is a perspective view of a second auxiliary unit 22 is shown, which is mounted on a guide rail 8.1.
  • the second auxiliary unit 22 is fixed, preferably only when needed, attached to the guide rail 8.1.
  • the auxiliary unit 22 on two elements 22.1 and 22.2, which are connected to each other so that they form a kind of Y-shaped bracket that can be hung on the guide rail 8.1. If the guide rail 8.1 has another shape or other dimensions, then the auxiliary unit 22 would have to be designed differently or at least other dimensions.
  • the auxiliary unit 22 has a front counter bearing 22.4 and a rear counter bearing 22.5. The front counter bearing 22.4 is fixed.
  • the rear abutment 22.5 can be inserted after attaching the auxiliary unit 22 to the guide rail 8.1 and secured with a split pin.
  • an abutment 22.5 is provided on the right and left members 22.2, 22.1, or the abutment 22.5 includes a pin long enough to extend behind the guide rail 8.1 and penetrate both members 22.1, 22.2.
  • an axis 22.3 is provided, around which the flexible auxiliary drive element (chain or belt) can rotate, or on which the flexible auxiliary drive element can be suspended (for example with a hook or an eyelet).
  • auxiliary unit 40 which comprises the flexible auxiliary drive element and an auxiliary drive mechanism 43.
  • the flexible auxiliary driving element is a chain having a first strand 24.11 and a second strand 24.12.
  • the auxiliary unit 40 has a hook 41.1, which preferably comprises a securing element 41.3.
  • the actual auxiliary drive mechanism 43 is placed below the hook 41.1.
  • This auxiliary drive mechanism 43 hangs over the hook 41.1 For example, on the axis 22.3 of the auxiliary unit 22.
  • a type of roller or roller (not visible) around which the chain rotates. Via a lever 42 with handle 42.1, the auxiliary drive mechanism 43 can be actuated.
  • this hook 41.2 can engage, for example, in the hole 22 of the auxiliary unit 20 or in the hole 32 of the auxiliary unit 30.
  • the second run 24.12 has a loose end, which can be seen in Fig. 1 and in the right of the two figures in Fig. 4.
  • the auxiliary unit 40 may be in the form of a ratchet, which allows it by moving the lever 42 to pull the strand 24.11 including hooks 41.2 upwards. In this case, the loose end of the run 24.12 extends and the distance A (see FIG. 1) decreases.
  • the roller or drum inside the auxiliary drive mechanism 43
  • the auxiliary drive mechanism 43 has a locking mechanism that prevents the chain can run back under tensile load on the strand 24.11.
  • the blocking effect can be realized for example with a latch mechanism.
  • ratchets are known for example from winches or straps and therefore need not be further described.
  • the auxiliary unit 40 has a translation arrangement to move the elevator car with muscle power can.
  • a belt for example a toothed belt
  • a flexible auxiliary driving element instead of a chain, a belt, for example a toothed belt, can be used as a flexible auxiliary driving element.
  • a chain is shown, which has a free end (strand 24.12) and an end with a hook 41.2.
  • the flexible Auxiliary drive element is attached directly to the first auxiliary unit 20 or 30, or to the second auxiliary unit.
  • auxiliary unit 22 can be carried out in various ways. For example, it is conceivable that holes or noses are provided on the guide rail to mount the auxiliary unit.
  • first auxiliary unit 20 or 30 it is also possible for the first auxiliary unit 20 or 30 to be arranged above the second auxiliary unit 22, the third auxiliary unit 24 or 40 being located between the two other auxiliary units 20, 30 and 22.
  • auxiliary units which are described here as separate elements, can also be combined mechanically or functionally with each other.
  • the three units may, for example, also be realized as a common auxiliary drive device.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
EP04106506A 2004-12-13 2004-12-13 Méthode et dispositif d'entraînement de secours pour entraîner une cabine d'ascenseur Withdrawn EP1669315A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04106506A EP1669315A1 (fr) 2004-12-13 2004-12-13 Méthode et dispositif d'entraînement de secours pour entraîner une cabine d'ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04106506A EP1669315A1 (fr) 2004-12-13 2004-12-13 Méthode et dispositif d'entraînement de secours pour entraîner une cabine d'ascenseur

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EP1669315A1 true EP1669315A1 (fr) 2006-06-14

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EP04106506A Withdrawn EP1669315A1 (fr) 2004-12-13 2004-12-13 Méthode et dispositif d'entraînement de secours pour entraîner une cabine d'ascenseur

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2301880A1 (fr) * 2009-09-29 2011-03-30 Aufzugswerke M. Schmitt & Sohn GmbH & Co. Dispositif de levage pour ascenseurs
EP2407411A1 (fr) * 2010-07-15 2012-01-18 Octe Dispositif de déprise, pour le déblocage d'un ascenseur après fonctionnement du parachute en montée
EP2976282A1 (fr) * 2013-03-20 2016-01-27 Kone Corporation Arrangement d'installation pour un ascenseur
EP3153444A1 (fr) * 2015-10-06 2017-04-12 KONE Corporation Installation d'ascenseur et procédé
EP3395741A4 (fr) * 2015-12-23 2019-03-27 Mac Puar, S.A. Dispositif pour le déblocage de parachute d'un ascenseur
CN110654951A (zh) * 2019-09-27 2020-01-07 日立电梯（中国）有限公司 电梯平衡救援装置及电梯平衡救援系统
CN111908286A (zh) * 2019-05-08 2020-11-10 李洪英 电梯主机、抱闸坏后电动提拉轿厢救援装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB365246A (en) * 1929-12-26 1932-01-21 Simon Faure Improvements in rope-hauling apparatus
EP0983956A2 (fr) * 1998-09-04 2000-03-08 Kabushiki Kaisha Toshiba Méthode pour libérer le dispositif d'arrêt d'urgence d'un ascenseur
US20020148687A1 (en) * 2001-04-17 2002-10-17 Yung-Hsin Chen Emergency lifting or lowering device of an elevator
US6698723B1 (en) * 2002-12-12 2004-03-02 Deno Antonini Ratchet tie down device with integral security lock

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB365246A (en) * 1929-12-26 1932-01-21 Simon Faure Improvements in rope-hauling apparatus
EP0983956A2 (fr) * 1998-09-04 2000-03-08 Kabushiki Kaisha Toshiba Méthode pour libérer le dispositif d'arrêt d'urgence d'un ascenseur
US20020148687A1 (en) * 2001-04-17 2002-10-17 Yung-Hsin Chen Emergency lifting or lowering device of an elevator
US6698723B1 (en) * 2002-12-12 2004-03-02 Deno Antonini Ratchet tie down device with integral security lock

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2301880A1 (fr) * 2009-09-29 2011-03-30 Aufzugswerke M. Schmitt & Sohn GmbH & Co. Dispositif de levage pour ascenseurs
EP2407411A1 (fr) * 2010-07-15 2012-01-18 Octe Dispositif de déprise, pour le déblocage d'un ascenseur après fonctionnement du parachute en montée
FR2962722A1 (fr) * 2010-07-15 2012-01-20 Octe Dispositif de deprise, pour le deblocage d'un ascenseur apres fonctionnement du parachute en montee
EP2976282A1 (fr) * 2013-03-20 2016-01-27 Kone Corporation Arrangement d'installation pour un ascenseur
EP2976282A4 (fr) * 2013-03-20 2017-03-29 Kone Corporation Arrangement d'installation pour un ascenseur
US10246304B2 (en) 2013-03-20 2019-04-02 Kone Corporation Installation arrangement for an elevator
EP3153444A1 (fr) * 2015-10-06 2017-04-12 KONE Corporation Installation d'ascenseur et procédé
EP3395741A4 (fr) * 2015-12-23 2019-03-27 Mac Puar, S.A. Dispositif pour le déblocage de parachute d'un ascenseur
CN111908286A (zh) * 2019-05-08 2020-11-10 李洪英 电梯主机、抱闸坏后电动提拉轿厢救援装置
CN110654951A (zh) * 2019-09-27 2020-01-07 日立电梯（中国）有限公司 电梯平衡救援装置及电梯平衡救援系统

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