EP3532420B1 - Ascenseur comprenant une courroie distincte en tant qu'élément de compensation du propre poids du moyen de suspension - Google Patents

Ascenseur comprenant une courroie distincte en tant qu'élément de compensation du propre poids du moyen de suspension Download PDF

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Publication number
EP3532420B1
EP3532420B1 EP17788184.4A EP17788184A EP3532420B1 EP 3532420 B1 EP3532420 B1 EP 3532420B1 EP 17788184 A EP17788184 A EP 17788184A EP 3532420 B1 EP3532420 B1 EP 3532420B1
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EP
European Patent Office
Prior art keywords
support means
car
elevator system
compensating element
compensating
Prior art date
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Application number
EP17788184.4A
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German (de)
English (en)
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EP3532420A1 (fr
Inventor
Christian Studer
Andrea CAMBRUZZI
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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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/068—Cable weight compensating devices

Definitions

  • the invention relates to an elevator system which comprises a car, a counterweight and at least one suspension element, the suspension element at least partially carrying the cabin and the counterweight and the car and the counterweight being connected to one another via the suspension element.
  • the elevator system also includes a compensation element for compensating for the weight of the suspension element.
  • a counterweight is usually provided to compensate for the weight of the car and the loads that can be absorbed in the car.
  • the counterweight is connected to the car via the support means via which the car and the counterweight are carried and moves in the elevator shaft complementary to the car.
  • the suspension element is, in particular, steel cables or belts.
  • the weight of the counterweight is matched to the weight of the car in a predetermined ratio. This is intended on the one hand to minimize the forces to be applied by the motor of the elevator system to move the car, and on the other hand to ensure that the traction between the suspension element and the disks over which the suspension element is guided is sufficient to prevent slipping to avoid the rope on the pulleys.
  • the weight of the suspension element is negligible even in the compensation, since the weight of the suspension element is significantly smaller compared to the weight of the car or the counterweight.
  • compensating chains or compensating ropes made of steel are used in particular, which are fastened to the car and the counterweight and thus form a closed circle together with the suspension element, so that the sum of the respective weight of the suspension element and the compensation element is approximately the same on the cabin side and the counterweight side are and thus the elevator system is balanced again.
  • a further object of the invention is to provide a method for recycling suspension elements of elevator systems, with which compensation elements for elevator systems can be produced in a simple, inexpensive manner.
  • the elevator system has a car, a counterweight and a Support means which at least partially carries the car and the counterweight and via which the car and the counterweight are connected to one another.
  • the suspension element can in particular be one or more ropes and / or one or more belts.
  • the suspension element is in particular guided over one or more disks, at least one of these disks being drivable by a motor, so that the car and thus also the counterweight, which is permanently coupled to the car, can be moved by the motor within the elevator shaft.
  • a compensating element is provided to compensate for the dead weight of the suspension element, the compensating element comprising at least one belt.
  • the belt serving as a compensating element is a discarded belt that was previously used as a support means for a car of an elevator system.
  • a removed belt is understood to mean, in particular, a belt that was previously used as a suspension element in an elevator system and that was sorted out as part of regular maintenance and accordingly removed from the elevator system.
  • the belt may have been sorted out due to reaching a maximum permissible age and / or reaching a maximum permissible number of bending changes.
  • the compensating element comprises at least two belts running parallel to one another and resting on one another.
  • the compensating element has a predetermined number of belts that run parallel to one another and lie on top of one another, the number being predetermined such that the weight of the compensating element per unit of length is equal to the weight of the suspension element per unit of length. This ensures that the weight of the compensating element and the suspension element are always balanced regardless of the position of the car within the elevator shaft.
  • belts running parallel to one another lie on top of one another, it is understood in particular that the belts rest on one another with their flat, in particular flat or profiled, sides.
  • the belts of the compensating element are in particular connected to one another so that they cannot slip relative to one another and are thus held in their predetermined position.
  • the belts can be connected to one another with the aid of a cold or hot lamination process. In this way, in particular, a secure bond between the various belts is achieved.
  • the profiled sides of the belts can in particular also be connected to one another, since the profiles are preferably at least partially flattened.
  • the belts can also be fused, glued to one another and / or riveted to one another. In this way, a safe, simple and inexpensive connection of the discarded belts to form a compensating element can be achieved.
  • all belts that are connected to one another to form a compensating element are discarded belts that were previously used as support means, so that no or only a minimal use of new materials is necessary and virtually the entire compensating element consists only of recycled elements.
  • mixed, rejected and new belts or only new, i.e. unused, belts can be connected to one another to form a compensating element.
  • the compensation element is arranged both on the car and on the counterweight, in particular on the underside, that is, the side facing the shaft floor when the elevator system is installed as intended, the car or the counterweight.
  • the compensation element can either hang freely within the shaft and / or be attached to the floor of the elevator shaft via a tensioning device, in particular a spring-loaded tensioning device, so that the compensation element is always under tension.
  • the compensating element comprises a predetermined number of mutually parallel belts resting on top of one another, the number being predetermined such that the weight of the compensating element per unit of length is equal to the weight of the suspension element per unit of length, and the belts of the Compensating element are connected to each other.
  • a further aspect of the invention relates to a compensating element for compensating for the weight of a suspension element of an elevator installation, the compensating element comprising at least one rejected suspension element previously used as a suspension element for a car of an elevator installation.
  • the discarded suspension element of the compensating element is in particular a discarded belt previously used as a suspension element for a car of an elevator installation.
  • the compensating element can be developed in particular with the features specified in the dependent claims referring back to claim 1.
  • the rejected suspension element of the compensating element can also be a rejected rope, previously used as suspension element for a car of an elevator installation.
  • the compensating element comprises, in particular, a plurality of separated ropes that were previously used as suspension means for cars in elevator systems and connected to one another. This means that the removed suspension cables can now also be used as compensation elements.
  • the advantage of using ropes compared to belts is that not so many ropes have to be connected to one another, since the ropes inherently have a higher weight per unit of length than the usual belts.
  • the number of ropes connected to one another to form the compensation element is particular again selected such that the weight of the compensating element per unit length is equal to the weight per unit of length of the suspension element of an elevator installation for which the compensating element is intended.
  • the ropes can be interwoven to form a compensation element.
  • other types of connection of the ropes to one another are also conceivable, for example gluing and / or welding.
  • a further aspect of the invention relates to an elevator system which comprises a car, a counterweight and a suspension element, the suspension element connecting the cabin and the counterweight to one another and at least partially supporting them. Furthermore, the elevator installation comprises at least one previously described compensation element for compensating for the counterweight of the suspension element.
  • a further aspect of the invention relates to a method for recycling suspension elements of elevator systems, in which used suspension elements that have at least partially supported a car and / or a counterweight of an elevator system are removed from the elevator system, in particular because they have a number of maximum permissible bending cycles and / or have reached a maximum age.
  • At least two used suspension elements are then connected to one another in order to achieve a predetermined weight per unit of length.
  • the element resulting from the connection of the used suspension elements is then used as a compensating element in an elevator system to compensate for the weight of the suspension element of this elevator system.
  • This elevator system does not have to be that elevator system in which the suspension elements, which are now used as compensation elements, were also used as suspension elements.
  • the method can be developed with the features or corresponding method features specified in the dependent device claims referring back to the independent device claims.
  • the used suspension elements that are connected to one another to form the compensation element can be sorted out belts that were previously used as suspension elements in an elevator system.
  • Fig. 1 a schematic representation of an elevator installation 10 is shown.
  • the elevator installation 10 comprises a car 12 and a counterweight 14, which are connected to one another via a suspension element 16.
  • the suspension element 16 comprises in particular one rope or several ropes, in particular ropes made of steel and / or synthetic fibers.
  • the suspension element 16 can also have one or more belts, each belt in particular having a multiplicity of ropes which are embedded in a common sheath made of a plastic.
  • the support means 16 is in the in Fig. 1
  • the embodiment shown is guided over two disks 18, 20, at least one of which can be driven with the aid of a motor, not shown, so that the car 12 and, accordingly, the counterweight 14 can be moved in opposite directions within the elevator shaft of the elevator system 10.
  • the suspension element 16 can also be guided over more or less than two disks 18, 20.
  • other than in Fig. 1 shown not a single, but a double suspension of the car 12 and the counterweight 14 on the support means 16 can be provided.
  • the support means 16 can be passed under the floor of the cabin 12.
  • a portion of the suspension element 16 of different lengths relative to the two panes 18 and 20 is either on the side of the car 12 or the side of the counterweight 14, so that due to the dead weight of the suspension element 16, the balancing is not guaranteed without further auxiliary measures.
  • a compensation element 22 is therefore provided, which is attached to the car 12 and the counterweight 14.
  • the compensating element 22 comprises two belts 24, 26 which run parallel to one another, rest on one another and are connected to one another.
  • the straps 24, 26 can be fused to one another, laminated to one another, glued to one another and / or riveted together, so that their relative position to one another is fixed and they form a uniform compensating element 22.
  • the belts 24, 26 are, in particular, old, used, discarded belts which were previously used as support means for carrying an elevator car and / or a counterweight within an elevator system and which were removed from this elevator system.
  • Such used, discarded belts are understood to mean in particular those belts 24, 26 which, due to reaching a maximum number of bending cycles and / or a maximum age, may no longer be used as suspension means and thus one of the elevator systems has been removed.
  • belts can also be recycled as compensating element 22 that have not yet reached their maximum number of bending cycles and / or their maximum age, but were removed from elevator systems due to other circumstances, for example when modernizing elevator systems.
  • Each of the belts 24, 26 has a multiplicity of ropes, in particular steel ropes, one of which is designated by the reference numeral 30 by way of example. These ropes are completely enclosed and embedded in a sheath 32, this sheath 32 consisting in particular of a plastic, preferably polyamide.
  • the two belts 24, 26 are connected to each other in such a way that they with their flat sides, that is, those sides that do not have profile grooves over which the belts 24, 26, if they are used as support means, otherwise in correspondingly complementary belts from the Disks 18, 20 run, have, are connected to one another.
  • a compensation element 122 according to a second embodiment is shown, in which not only two belts, but a total of four belts 124 to 130 lie on top of one another and are connected to one another.
  • more or less than four belts can be connected to one another to form a compensating element 22, 122.
  • the number of belts 124 to 130 that are connected to one another to form the compensation element 122 is selected such that the resulting weight per meter corresponds to that weight per meter of the suspension element 16 of the elevator system 10 in which the compensation element 22, 122 are used for compensation should, corresponds.
  • the compensating element 22, 122 in particular comprises the same number of belts.
  • the two belts 224, 226 can also rest on one another with their profiled sides.
  • the flat side of one belt is in contact with the profiled side of the other belt.
  • the compensating element 22, 122, 222 can also comprise one or more rejected cables that are connected to one another.
  • sorted out ropes, which were previously used as suspension elements, are recycled as compensation elements 22, 122, 222, so that the ropes do not have to be thrown away unnecessarily, but also after their maximum service life and / or service life have been reached. or when the maximum number of bending cycles permitted for use as a suspension element can still be used.
  • the compensating element 22, 122, 222 can also comprise both at least one belt and at least one rope, in particular a rejected belt and a rejected rope.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Claims (13)

  1. Installation d'ascenseur
    comportant une cabine (12),
    un contrepoids (14),
    au moins un moyen de suspension (16) qui soutient au moins partiellement la cabine (12) et le contrepoids (14) et par lequel la cabine (12) et le contrepoids (14) sont reliés entre eux, et
    comportant un élément de compensation (22, 122, 222) permettant la compensation du poids du moyen de suspension (16),
    l'élément de compensation (22, 122, 222) comprenant au moins une courroie (24, 26, 124 à 130, 224, 226),
    caractérisée en ce que la courroie (24, 26, 124 à 130, 224, 226) est une courroie (24, 26, 124 à 130, 224, 226) extraite, utilisée précédemment comme moyen de suspension pour une cabine d'une installation d'ascenseur, ou en ce que les courroies (24, 26, 124 à 130, 224, 226) sont des courroies (24, 26, 124 à 130, 224, 226) extraites, utilisées précédemment comme moyens de suspension pour des cabines d'installations d'ascenseur.
  2. Installation d'ascenseur (10) selon la revendication 1, caractérisée en ce que l'élément de compensation (22, 122, 222) comporte au moins deux courroies (24, 26, 124 à 130, 224, 226) s'étendant parallèlement l'une à l'autre et reposant l'une sur l'autre.
  3. Installation d'ascenseur (10) selon la revendication 1 ou 2, caractérisée en ce que l'élément de compensation (22, 122, 222) comporte un nombre prédéfini de courroies (24, 26, 124 à 130, 224, 226) s'étendant parallèlement les unes aux autres et reposant les unes sur les autres, et en ce que le nombre est prédéfini de telle manière que le poids de l'élément de compensation (22, 122, 222) pour chaque unité de longueur est égal au poids du moyen de suspension (16) pour chaque unité de même longueur.
  4. Installation d'ascenseur (10) selon la revendication 2 ou 3, caractérisée en ce que les courroies (24, 26, 124 à 130, 224, 226) de l'élément de compensation (22) sont reliées les unes aux autres.
  5. Installation d'ascenseur (10) selon la revendication 4, caractérisée en ce que les courroies (24, 26, 124 à 130, 224, 226) sont laminées les unes sur les autres, fusionnées, collées et/ou rivetées entre elles.
  6. Installation d'ascenseur (10) selon l'une des revendications précédentes, caractérisée en ce que l'élément de compensation (22, 122, 222) est fixé à la cabine (12) et au contrepoids (14).
  7. Élément de compensation (22, 122, 222) permettant la compensation du poids d'un moyen de suspension (16) d'une installation d'ascenseur (10), caractérisé en ce que l'élément de compensation (22, 122, 222) comprend au moins un moyen de suspension (24, 26, 124 à 130, 224, 226) extrait, utilisé précédemment comme moyen de suspension pour une cabine d'une installation d'ascenseur.
  8. Élément de compensation (22, 122, 222) selon la revendication 7, caractérisé en ce que le moyen de suspension extrait de l'élément de compensation (22, 122, 222) est une courroie extraite (24, 26, 124 à 130, 224, 226), utilisée précédemment comme moyen de suspension pour une cabine d'une installation d'ascenseur.
  9. Élément de compensation (22, 122, 222) selon la revendication 8, caractérisé en ce que le moyen de suspension extrait de l'élément de compensation (22, 122, 222) est un câble extrait, utilisé précédemment comme moyen de suspension pour une cabine d'une installation d'ascenseur.
  10. Élément de compensation (22, 122, 222) selon la revendication 9, caractérisé en ce que l'élément de compensation (22, 122, 222) comprend une pluralité de câbles extraits et reliés entre eux, utilisés précédemment comme moyens de suspension pour des cabines d'installations d'ascenseur.
  11. Élément de compensation (22, 122, 222) selon la revendication 10, caractérisé en ce que les câbles sont entrelacés ensemble.
  12. Installation d'ascenseur (10)
    comportant une cabine (12),
    un contrepoids (14),
    au moins un moyen de suspension (16) qui soutient au moins partiellement la cabine (12) et le contrepoids (14) et par lequel la cabine (12) et le contrepoids (14) sont reliés l'un à l'autre, et
    comportant un élément de compensation (22, 122, 222) selon l'une des revendications 7 à 11.
  13. Procédé de recyclage de moyens de suspension d'installations d'ascenseur,
    selon lequel des moyens de suspension (24, 26, 124 à 130, 224, 226) usagés, ayant soutenu au moins partiellement une cabine et/ou un contrepoids d'une installation d'ascenseur, sont retirés de l'installation d'ascenseur,
    selon lequel les moyens de suspension (24, 26, 124 à 130, 224, 226) usagés sont reliés les uns aux autres pour atteindre un poids prédéfini par unité de longueur, et
    selon lequel l'élément résultant de la liaison des moyens de suspension (24, 26, 124 à 130, 224, 226) est utilisé comme élément de compensation (22, 122, 222) dans une installation d'ascenseur (10) pour compenser le poids du moyen de suspension (16) de ladite installation d'ascenseur (10).
EP17788184.4A 2016-10-31 2017-10-17 Ascenseur comprenant une courroie distincte en tant qu'élément de compensation du propre poids du moyen de suspension Active EP3532420B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16196584 2016-10-31
PCT/EP2017/076388 WO2018077654A1 (fr) 2016-10-31 2017-10-17 Installation d'ascenseur comprenant une courroie extraite servant d'élément de compensation pour la compensation du poids propre du moyen de suspension

Publications (2)

Publication Number Publication Date
EP3532420A1 EP3532420A1 (fr) 2019-09-04
EP3532420B1 true EP3532420B1 (fr) 2020-12-09

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Application Number Title Priority Date Filing Date
EP17788184.4A Active EP3532420B1 (fr) 2016-10-31 2017-10-17 Ascenseur comprenant une courroie distincte en tant qu'élément de compensation du propre poids du moyen de suspension

Country Status (4)

Country Link
US (1) US11161715B2 (fr)
EP (1) EP3532420B1 (fr)
CN (1) CN109906197B (fr)
WO (1) WO2018077654A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109906197B (zh) * 2016-10-31 2021-01-19 因温特奥股份公司 具有挑出的、作为用于补偿承载机构的自重的平衡元件的皮带的电梯设备
US20200002132A1 (en) * 2018-06-29 2020-01-02 Otis Elevator Company Hybrid compensation member

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US3768596A (en) * 1972-03-31 1973-10-30 Westinghouse Electric Corp Elevator compensation chains
US4230205A (en) * 1978-05-10 1980-10-28 Westinghouse Electric Corp. Elevator system
US4716989A (en) * 1982-08-04 1988-01-05 Siecor Corporation Elevator compensating cable
JPH0755780B2 (ja) * 1989-12-05 1995-06-14 三菱電機株式会社 トラクション式エレベータ装置
AU7890098A (en) * 1996-12-30 1998-07-31 Kone Corporation Elevator rope arrangement
US6837340B2 (en) * 2000-10-20 2005-01-04 Datwyler Ag Compensation weights and elevator systems
ATE281395T1 (de) 2001-02-27 2004-11-15 Brugg Drahtseil Ag Anordnung für gewichtsausgleichselemente
CN2646108Y (zh) * 2003-10-13 2004-10-06 张金陵 无齿曳引机对重驱动的无机房电梯
FI119769B (fi) * 2003-11-17 2009-03-13 Kone Corp Menetelmä hissin asentamiseksi ja hissi
CN2714510Y (zh) * 2004-05-13 2005-08-03 俞鲁强 无机房电梯监控及应急装置
WO2008112537A2 (fr) * 2007-03-15 2008-09-18 Hugh O'donnell Élément porteur de charge flexible pour système d'élévateur
FI125113B (fi) * 2010-04-30 2015-06-15 Kone Corp Hissi
WO2012034899A1 (fr) * 2010-09-17 2012-03-22 Inventio Ag Ascenseur comportant une cabine d'ascenseur et un contrepoids
WO2013029978A1 (fr) * 2011-08-31 2013-03-07 Inventio Ag Ascenseur comprenant des moyens d'équilibrage
CN103466408A (zh) * 2013-09-29 2013-12-25 玉林市科邦技术服务有限公司 一种防人坠落的电梯安全保护装置
EP2881354B1 (fr) * 2013-12-09 2018-06-13 Inventio AG Installation d'ascenseur dotée d'une chaîne de compensation
WO2018002243A1 (fr) * 2016-06-30 2018-01-04 Inventio Ag Procédé pour construire une installation d'ascenseur présentant une hauteur de levage utile adaptable
CN109906197B (zh) * 2016-10-31 2021-01-19 因温特奥股份公司 具有挑出的、作为用于补偿承载机构的自重的平衡元件的皮带的电梯设备

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Also Published As

Publication number Publication date
US11161715B2 (en) 2021-11-02
EP3532420A1 (fr) 2019-09-04
CN109906197A (zh) 2019-06-18
US20200189881A1 (en) 2020-06-18
WO2018077654A1 (fr) 2018-05-03
CN109906197B (zh) 2021-01-19

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