EP1616833B1 - Installation d'ascenseur avec multiple courroie plate réparti parallèlement - Google Patents

Installation d'ascenseur avec multiple courroie plate réparti parallèlement Download PDF

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Publication number
EP1616833B1
EP1616833B1 EP20050106348 EP05106348A EP1616833B1 EP 1616833 B1 EP1616833 B1 EP 1616833B1 EP 20050106348 EP20050106348 EP 20050106348 EP 05106348 A EP05106348 A EP 05106348A EP 1616833 B1 EP1616833 B1 EP 1616833B1
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EP
European Patent Office
Prior art keywords
suspension
sheave
counterweight
elevator car
units
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
EP20050106348
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German (de)
English (en)
Other versions
EP1616833A3 (fr
EP1616833A2 (fr
Inventor
Christoph Liebetrau
Alban Meier
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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Priority to EP20050106348 priority Critical patent/EP1616833B1/fr
Publication of EP1616833A2 publication Critical patent/EP1616833A2/fr
Publication of EP1616833A3 publication Critical patent/EP1616833A3/fr
Application granted granted Critical
Publication of EP1616833B1 publication Critical patent/EP1616833B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave

Definitions

  • the invention relates to an elevator system with an elevator car and a counterweight, which are supported and driven by parallel flat belt-like support means.
  • This suspension system has a reeving of at least 2: 1, and the suspension means - or their centerlines - are arranged in parallel vertical planes which run obliquely to the horizontal main axes of the counterweight and / or the elevator car.
  • WO 99/43593 is known an elevator system with overhead drive motor, in which the elevator car and the counterweight are supported and driven by a plurality of parallel flat belts.
  • Fig. 5 in WO 99/43593 shows a variant in which the support means forming flat belts carry the elevator car in the form of a sub-loop, wherein the support means are arranged in parallel vertical planes which are oblique to the horizontal main axes of the elevator car and the counterweight - ie, also obliquely to the walls of the elevator shaft - lost.
  • the axes of the traction sheave, the support rollers mounted below the elevator car, as well as the support roller on the counterweight, are aligned at right angles to said support means planes and thus also obliquely to said main axes of the elevator car and the counterweight.
  • the support roller of the counterweight can claim an installation space which exceeds the width (thickness) of the counterweight. This makes optimal utilization of the existing shaft cross-section in favor of the largest possible cabin floor area possible or requires a larger shaft cross section for a given cabin floor area.
  • the present invention has for its object to eliminate the disadvantages mentioned in elevator systems, the support rollers on the counterweight and the elevator car and a plurality of parallel, flat-belt-like support means included, and in which the support means - more precisely their center lines - in several mutually parallel vertical planes are arranged, which extend obliquely to the horizontal main axes of the counterweight and / or the elevator car.
  • the invention is therefore based on the idea to replace the too much installation-consuming, one-piece or uniaxial carrying rollers on the counterweight (and in certain cases also on the elevator car) by a plurality of juxtaposed support roller units, each with a support roller, the support roller units so on the counterweight and / or are attached to the elevator car, that the support roller axes are substantially horizontal and can be aligned by pivoting about an associated vertical axis.
  • the problem can be circumvented that one consisting of one piece or from several arranged on the same axis support rollers existing multiple support roller protrudes beyond the installation space of the counterweight or not in an available installation space on an elevator car can be installed.
  • the support roller units are oriented so that the support roller axes are perpendicular to the oblique to the main axes of the counterweight and / or the elevator car extending parallel planes in which the support means are arranged.
  • the support roller axles are offset from each other in the horizontal direction, whereby the required installation space for the support rollers on the counterweight and / or for those on the elevator car can be minimized.
  • each support roller unit is mounted in a support roller housing having a substantially rectangular horizontal cross-section whose length approximately equal to the diameter of the support roller and its width at most 150% of the width of the flat belt-like support means.
  • the vertical axes about which the support roller units are pivotable arranged on the counterweight and / or on the elevator car along a straight line, wherein they have distances which are so much greater than the width of the horizontal cross section of the support roller housing in that the carrying-roller housings can be pivoted from their central position about their vertical axes by an angle of at most 40 ° each, before they block each other.
  • the maximum possible swivel angle of the support roller housing - And thus the idlers - their mutual distance - and thus the distance between the parallel flat belt-like support means - are minimized, provided that the angle between the support means containing parallel, vertical planes and the horizontal straight lines, which are perpendicular to the horizontal line, along which the vertical axes of the support means are arranged on the counterweight and / or on the elevator car are not greater than 30 °.
  • the horizontal straight line, along which the vertical axes of the support roller housing are arranged on the counterweight extends obliquely to the horizontal longitudinal axis of the counterweight.
  • the carrying roller units are fastened to the elevator car and / or to the counterweight by means of a tie rod arranged approximately vertically in each case, wherein the pull rod also forms the said vertical axis about which the carrying roller unit is pivotable.
  • the pull rod has at least one section with an external thread, wherein the external thread together with a screw thread part containing an internal thread thereto can serve to adjust the tension in the associated suspension.
  • This can be dispensed with clamping means on the fixed points of the support means, which are usually less accessible for retightening by the maintenance personnel.
  • the flat belt-like support means are designed as a V-ribbed belt.
  • V-ribbed belts can be easily guided laterally on the traction sheave and on the carrying and deflecting rollers provided that they have a profiling complementary to the V-ribbed profile of the belt on their periphery.
  • the traction force transmitted by the traction sheave on a belt is higher in the case of V-ribbed belts than in the case of a flat belt.
  • elevator systems according to the invention can be designed with support rollers mounted above the elevator car, or they can be provided with support rollers provided underneath the elevator car - d. h., Can be realized with a so-called suspension means Unterschlingung, as in the above-cited prior art.
  • Fig. 1 and 2 show an elevation and a plan of an inventive elevator system. Shown are substantially an elevator car 1 with a car frame 1.1, a side of the elevator car 1 installed counterweight 2, mounted in the shaft head of the elevator installation drive unit 3 with a drive motor 4.
  • the drive motor 4 drives a belt pulley 11 a traction sheave 5, which is parallel to several mutually arranged, flat belt-like support means 6 acts (in Fig. 1 For the sake of clarity, only a single suspension element is shown).
  • the reference numerals 7.1 and 7.2 are on the counterweight 2 or on the upper yoke 1.1.1 of the cabin frame 1.1 mounted carrying roller systems referred to, over which the flat belt-like support means 6, the elevator car 1 as well as the counterweight 2 carry and drive.
  • the counterweight 2 as well as the elevator car 1 carrying roller systems 7.2, 7.1, which do not contain a one-piece suspension element roll and not a plurality of arranged on a single axis support roller, but a plurality of individual support roller units 8.2, 8.1 include integrated support rollers. These are attached to the counterweight and to the elevator car in such a manner that the carrier roller axles are horizontal and can be pivoted about a respective vertical axis 16 assigned to each carrier roller unit 8.2, 8.1.
  • the carrying roller units 8.2, 8.1 are in Fig. 2 only as approximately the support roller outlines marking rectangles shown in which a small circle symbolizes the said vertical axes 16.
  • the support roller units 8.2, 8.1 are pivoted and fixed so that the support roller axes integrated in them are perpendicular to the parallel, vertical planes 6.1, in which the support means 6 are arranged.
  • the idler axles are arranged offset in the horizontal direction against each other, which is the placement of the idler roller systems 7.2, 7.1 within the vertical projection of the counterweight or within an upper yoke 1.1.1 of the car frame 1.1 of the elevator car 1 allows.
  • FIG. 3, 4, 5 show a support roller unit 8.2, 8.1 in elevation, side elevation and floor plan.
  • a support roller 9.1, 9.2 designed for the flat belt-type suspension element 6 is mounted in a support roller housing 17 with a rectangular horizontal cross section, wherein the horizontal cross section in the direction of the support roller axles 18 has a minimum possible width and its length corresponds approximately to the diameter of the support roller 9.2, 9.1.
  • the thickness of the two walls 19 of the support roller housing 17 and the distances between them and the support means 6 arranged therebetween are selected so that the said width B of the horizontal cross section of the support roller housing does not exceed 150% of the support element width b and ideally 135% to 140% of the support element width b is.
  • a pull rod 20 is connected to this, which serves to attach the support roller housing 17 and thus the support roller unit 8.2, 8.1 on the counterweight 2 and / or on the elevator car 1 and at the same time forms the above-mentioned vertical axis 16 to the the support roller unit can be swiveled.
  • connection between the support roller housing 17 and the tie rod 20 is advantageously carried out via a inserted in the support roller housing round bolt 21, whereby a certain flexibility of said connection is achieved.
  • the Drawbar 20 is provided at least on a part of its length with an external thread, which in conjunction with screw 26 on the one hand allows screwing with components of the counterweight 2 and / or the elevator car 1 and on the other hand serves to generate equal tensile stresses in the parallel support means 6.
  • the flat belt-like support means 6 shown in cross-section may take the form of a V-ribbed belt in which at least one of the belt surfaces has a profiling comprising a plurality of parallel wedge-shaped ribs.
  • V-ribbed belts can be perfectly guided on the pulleys and pulleys and ensure the transmission of greater traction between the traction sheave and the suspension element than with standard flat belts with the same Surface materials is possible.
  • Figs. 6A and 7A are schematized and enlarged top views of the Fig. 1 and 2 known arrangement of the support rollers containing carrying roller units 8.2, 8.1 on the counterweight 2 or on the elevator car. 1 Out Figs. 6A and 7A It can be seen which advantageous effects can be achieved if the support roller systems consist of individual, about vertical axes 16 pivotable support roller units 8.2, 8.1.
  • Fig. 1 and 2 are 1.1.1 the upper yoke of the cabin frame 1.1 and 2 denotes the counterweight. The like in Fig.
  • the separate and separately mounted support roller units 8.2, 8.1 allow their arrangement with in the direction of the support means 6.1 horizontally mutually offset support roller axes 18 and thus on the one hand the arrangement of the support rollers of the counterweight 2 within the vertical projection of the counterweight and on the other hand, the arrangement of the support rollers of the elevator car 1, for example, within the width of a relatively narrow upper yoke 1.1.1 of the cabin frame of the car. 1
  • the distances between the vertical axes (pivot axes) 16 of Support roller units 8.2, 8.1 are reduced so that the support roller units can only be pivoted by at most 30 ° from its central position, ie, they can be pivoted in total by a maximum of 60 °. This allows smaller distances between the support means 6 can be achieved.
  • Fig. 6A With Fig. 6A is demonstrated that support roller systems that contain a one-piece support roller 22 for all suspension means or more arranged on a common axis support rollers require significantly more installation space than the idler systems 7.1, 7.2 according to Fig. 6A ,
  • Fig. 7A shows an arrangement of the counterweight 2 mounted carrying roller units 8.2, in which the centers of the support roller units 8.2 - which usually coincide with the vertical axes 16, about which the support roller units can be pivoted - not on the horizontal longitudinal axis 23 of the counterweight 2 are arranged, but on It is readily apparent that with this measure at a given distance between the support means - and thus given distances between the support roller units - correspondingly larger angles ⁇ between the main axis 14 of the counterweight 2, and the main axis 13th the elevator car 1 and the vertical planes 6.1, in which the support means are arranged, can be realized.
  • Fig. 7B is again recognizable how much installation space can be saved by the use of individually pivotable about a respective vertical axis and slidable in a horizontal plane support roller units.
  • Fig. 7B represented, one-piece or single, on common Axis arranged rollers existing idlers 22 claim even at the larger angle ⁇ shown here much more space than the individually pivotally mounted support roller units 8.2, 8.1 according to Fig. 7A .
  • the use of the carrying roller units according to the invention may be the only possibility of placing the carrying rollers on the elevator car within the space available in the upper yoke 1.1.1 of a car frame of the elevator car 1.

Claims (10)

  1. Installation d'ascenseur avec une cabine d'ascenseur (1) et un contrepoids (2) qui sont portés et entraînés par plusieurs éléments porteurs parallèles en forme de courroies plates (6),
    étant précisé qu'il est prévu sur le contrepoids (2) et/ou sur la cabine d'ascenseur (1) des systèmes de poulies porteuses (7) qui forment avec au moins une poulie motrice (5) et les éléments porteurs (6) un système de suspension avec un rapport d'au moins 2:1, et que les axes médians des éléments porteurs (6) sont disposés dans des plans verticaux (6.1) parallèles qui s'étendent en biais par rapport à des axes principaux horizontaux (14, 13) du contrepoids (2) et/ou de la cabine d'ascenseur (1),
    caractérisée en ce que l'un au moins des systèmes de poulies porteuses (7) comprend plusieurs unités de poulies porteuses (8.1, 8.2) qui sont disposées côte à côte et qui ont chacune au moins une poulie porteuse (9.1, 9.2), les unités de poulies porteuses (8.1, 8.2) étant fixées au contrepoids (2) et/ou à la cabine d'ascenseur (1) de telle sorte que les axes (18) des poulies porteuses (9.1, 9.2) se trouvent globalement à l'horizontale et soient aptes à pivoter chacun sur un axe vertical correspondant (16).
  2. Installation d'ascenseur selon la revendication 1, caractérisée en ce que les unités de poulies porteuses (8.1, 8.2) sont orientées de telle sorte que les axes (18) des poulies porteuses (9.1, 9.2) se trouvent à angle droit par rapport aux plans parallèles (6.1) mentionnés et soient décalés les uns par rapport aux autres dans le sens horizontal.
  3. Installation d'ascenseur selon la revendication 2, caractérisée en ce que la poulie porteuse (9.1, 9.2) de chaque unité de poulies porteuses (8.1, 8.2) est montée dans un carter de poulie porteuse (17) qui présente une section transversale horizontale globalement rectangulaire dont la largeur (B) mesurée dans le sens de l'axe (18) de la poulie porteuse (9.1, 9.2) correspond au maximum à 150% de la largeur (b) de l'élément porteur en forme de courroie plate (6).
  4. Installation d'ascenseur selon la revendication 3, caractérisée en ce que les axes verticaux (16) sur lesquels les unités de poulies porteuses (8.1, 8.2) sont aptes à pivoter sont disposés sur le contrepoids (2) et/ou sur la cabine d'ascenseur (1) le long d'une droite et présentent des écartements mutuels qui sont supérieurs à la largeur (B) de la section transversale horizontale des carters (17) des unités de poulies porteuses (8.1, 8.2) de telle sorte que les unités de poulies porteuses (8.1, 8.2) soient aptes à pivoter sur leur axe vertical (16) au maximum d'un angle de 40° à partir de leur position centrale, avant de se bloquer mutuellement.
  5. Installation d'ascenseur selon la revendication 3, caractérisée en ce que les axes verticaux (16) sur lesquels les unités de poulies porteuses (8.1, 8.2) sont aptes à pivoter sont disposés sur le contrepoids (2) et/ou sur la cabine d'ascenseur (1) le long d'une droite et présentent des écartements mutuels qui sont supérieurs à la largeur (B) de la section transversale horizontale des carters (17) des unités de poulies porteuses (8.1, 8.2) de telle sorte que les unités de poulies porteuses (8.1, 8.2) soient aptes à pivoter sur leur axe vertical (16) au maximum d'un angle de 30° à partir de leur position centrale, avant de se bloquer mutuellement.
  6. Installation d'ascenseur selon la revendication 5, caractérisée en ce que la droite horizontale (24) le long de laquelle les centres des axes verticaux (16) des unités de poulies porteuses (8.1, 8.2) sont disposés sur le contrepoids (2) s'étend en biais par rapport à l'axe longitudinal horizontal (23) du contrepoids (2).
  7. Installation d'ascenseur selon la revendication 6, caractérisée en ce que les unités de poulies porteuses (8.1, 8.2) sont fixées chacune à la cabine d'ascenseur et/ou au contrepoids à l'aide d'une barre de traction (20) disposée à peu près à la verticale, la barre de traction (20) formant aussi ledit axe vertical (16) sur lequel les unités de poulies porteuses (8.1, 8.2) sont aptes à pivoter.
  8. Installation d'ascenseur selon la revendication 7, caractérisée en ce que la barre de traction (20) présente une partie avec un filetage extérieur, le filetage extérieur servant avec des éléments de vissage (26) contenant un filetage intérieur à régler la tension dans l'élément porteur correspondant.
  9. Installation d'ascenseur selon l'une des revendications 1 à 8, caractérisée en ce que les éléments porteurs en forme de courroies plates (6) sont conçus comme des courroies à nervures cunéiformes.
  10. Installation d'ascenseur selon l'une des revendications 1 à 8, caractérisée en ce que les parties des éléments porteurs (6) qui portent la cabine d'ascenseur (1) passent sur des poulies porteuses qui sont installées au-dessus ou au-dessous de la cabine.
EP20050106348 2004-07-17 2005-07-12 Installation d'ascenseur avec multiple courroie plate réparti parallèlement Not-in-force EP1616833B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20050106348 EP1616833B1 (fr) 2004-07-17 2005-07-12 Installation d'ascenseur avec multiple courroie plate réparti parallèlement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04016913 2004-07-17
EP20050106348 EP1616833B1 (fr) 2004-07-17 2005-07-12 Installation d'ascenseur avec multiple courroie plate réparti parallèlement

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EP1616833A2 EP1616833A2 (fr) 2006-01-18
EP1616833A3 EP1616833A3 (fr) 2006-12-06
EP1616833B1 true EP1616833B1 (fr) 2010-02-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9371212B2 (en) 2011-04-06 2016-06-21 Otis Elevator Company Elevator system including a 4:1 roping arrangement

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2678258B1 (fr) * 2011-02-23 2022-05-04 Otis Elevator Company Système d'ascenseur comprenant un agencement de câbles 4 :1
IT201800004466A1 (it) * 2018-04-13 2019-10-13 Impianto di sollevamento con pulegge di contrappeso e di cabina allineate sullo stesso asse di simmetria

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29924745U1 (de) * 1998-02-26 2005-06-09 Otis Elevator Co., Farmington Richtungsübereinstimmung von Flachseilen für Aufzüge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9371212B2 (en) 2011-04-06 2016-06-21 Otis Elevator Company Elevator system including a 4:1 roping arrangement

Also Published As

Publication number Publication date
EP1616833A3 (fr) 2006-12-06
EP1616833A2 (fr) 2006-01-18

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