EP2859245B1 - Installation d'ascenseur - Google Patents

Installation d'ascenseur Download PDF

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Publication number
EP2859245B1
EP2859245B1 EP13726558.3A EP13726558A EP2859245B1 EP 2859245 B1 EP2859245 B1 EP 2859245B1 EP 13726558 A EP13726558 A EP 13726558A EP 2859245 B1 EP2859245 B1 EP 2859245B1
Authority
EP
European Patent Office
Prior art keywords
axle
installation according
lift installation
support
securing
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
EP13726558.3A
Other languages
German (de)
English (en)
Other versions
EP2859245A1 (fr
Inventor
Christof MOSER
Carlos Latorre Marcuz
Gert Silberhorn
Steven Bian
Wayne PRINGLE
Greg Kennedy
Sergio GUSLANDI
Peter SCHWARER
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 EP13726558.3A priority Critical patent/EP2859245B1/fr
Publication of EP2859245A1 publication Critical patent/EP2859245A1/fr
Application granted granted Critical
Publication of EP2859245B1 publication Critical patent/EP2859245B1/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
    • B66B15/00—Main component parts of mining-hoist winding devices
    • B66B15/02—Rope or cable carriers

Definitions

  • the invention relates to an elevator installation according to the preamble of claim 1.
  • Elevator systems are usually installed in a shaft of a building and are used to transport people or goods.
  • the cabin movable in the vertical direction in the shaft is carried by suspension means, for example in the form of ropes or belts, the suspension means being connected to a drive for moving the cabin.
  • the cabin and / or a counterweight connected to the cabin via the suspension element is connected to the suspension element via one or more deflection units.
  • the car is assigned one or two deflection units and the counterweight is assigned a deflection unit.
  • WO 2010/103165 A1 is a deflection with a freely rotatable about a rotation axis, mounted on an axis on a support pulley known, which - with respect to a center plane which is vertical to the axis of rotation of the pulley - has a mirror-symmetrical configuration of the axis.
  • the axis formed by a cylindrical body has grooves on both sides, in which the carrier engages directly or indirectly via a holding part fixed to the carrier.
  • the peripheral surface of the axis is interrupted by an outer adjacent to the respective groove planar portion which is supported on a bolted to the carrier, formed by a plate securing member.
  • the safety elements have the purpose of ensuring a rotationally secure mounting of the axle. After omission the rotation due to wear should, according to the description of WO 2010/103165 the axis held by the grooves in the carrier allow rotation of the axle. Depending on the design, however, the desired axial securing is not given, inadequate or achievable only by complex design solutions.
  • the deflection unit for the elevator system should continue to be simple in design and manufacture and are characterized by a robust design.
  • the axle arrangement and fastening according to the invention is used in the deflection unit assigned to the counterweight.
  • the retaining means is formed on one side by an axle head integrally formed on the axle to form a shoulder-like abutment for the wearer.
  • another holding means is used on the opposite side.
  • the axis with the axle head is preferably made monolithic and consists for example of a metallic material.
  • the axle may be a substantially rotationally symmetrical steel axle body.
  • the axis thus has a mushroom-shaped configuration, wherein the axis comprises the mentioned axis head ("mushroom shield"), to which an axial shaft connects in the axial direction.
  • the axle head is essentially cylindrical and has a larger diameter than the axle shaft.
  • Such a rigidly connected to the axle holding means leads to a particularly high stability of the axle attachment.
  • the axle head can simply be dimensioned so that a break or other destruction of the axle head is virtually impossible even with extremely strong mechanical stresses during operation of the elevator.
  • the axle assembly with the mushroom-shaped axle body is easy to handle and allows easy and quick assembly and disassembly.
  • At least the axle head and / or the holding means (arranged on the opposite side) for a rotationally secure mounting of the axle in a first life cycle can be fixed in a rotationally fixed manner with respect to the carrier by means of an anti-rotation means.
  • the respective deflection unit can be operated optimally at least in the first life cycle.
  • the deflection roller can be turned with low noise and with little wear.
  • it may of course also be sufficient if the axle which is fitted in bearing receivers of the carrier is prevented from rotating during normal operation due to the significantly higher axle-carrier friction (in comparison with the rolling bearing arrangement, for example).
  • At least one deflection unit is designed such that when a certain torque between the deflection roller and axis exceeds the anti-rotation means releases the corresponding (or the anti-rotation means associated) holding means and the axis in a second life cycle rotatable in the carrier between the holding means is stored.
  • the lifetime of the axle attachment of the deflection unit is thus characterized by two life cycles. In the first life cycle, which roughly corresponds to a normal state, the axis in the carrier can not be rotated. In the subsequent second life cycle, which corresponds approximately to an emergency operating state, the axle can be rotated in the carrier, whereby the axial securing of the axle in the carrier is still ensured.
  • the diverter unit By dividing the service life into two cycles, the diverter unit can also be better monitored. In the second life cycle, it may happen that the axle eats itself by wear in the carrier and a more or less vertically extending slot in the carrier arises. This phenomenon is easily observed, which simplifies monitoring of the diverter for maintenance personnel.
  • the anti-rotation means could for example have an action mechanism that can be triggered when exceeding the aforementioned excessive torque and thus releases the retaining means. But it may be particularly advantageous if the anti-rotation means is designed as a predetermined breaking element.
  • Such an anti-rotation means may comprise, for example, a comparatively tightly dimensioned screw which breaks under the action of high shear forces when the predetermined torque between deflection roller and axle is exceeded.
  • other predetermined breaking elements would be conceivable.
  • the axle head has a preferably predetermined by a flat surface anti-rotation portion which is supported on a securing member secured to the carrier.
  • the anti-rotation portion may be arranged in the peripheral region of the axle head.
  • the axle head has a cylindrical outer shape, the anti-rotation portion can be easily formed by chamfering the cylindrical peripheral surface.
  • the axle head can also have an anti-rotation portion protruding in the radial direction, which is fastened to the carrier, for example, by means of a screw connection.
  • the securing member may be a preferably formed by a plate body which is attached via at least one screw on the carrier.
  • This screw can be designed as a predetermined breaking element, which break under the action of excessive shear forces and so the rotation of the axle can be lifted.
  • the securing member is secured by a single screw on the carrier.
  • the desired breaking point value, at which the anti-rotation device is to be removed can be set particularly easily.
  • the screw can be aligned so axially parallel to the axis that at least for a first life cycle, in which the axis is arranged rotationally fixed in the carrier, screw and axis lie on a surface normal of the anti-rotation portion.
  • the holding means is formed on at least one side by a separate component. A simple assembly and disassembly of the deflection is ensured in this way.
  • the holding means may be formed on at least one side by a holding part surrounding the axis in the radial direction.
  • the holding part surrounding the axle can be simply applied to the axle and removed again. It may be particularly advantageous if the holding part is designed horseshoe-shaped or annular.
  • the horseshoe-shaped holding part can have plane flanks and the axis running complementary to the flanks and preferably provided by chamfering form-fitting sections.
  • the horseshoe-shaped holding part can be easily applied from the outside in the radial direction on the axis.
  • the axle may have a groove for receiving the horseshoe-shaped holding part.
  • the groove ensures precise positioning of the holding part on the axle.
  • the holding part may be provided a surrounding the axis in the radial direction securing part, which is preferably connected by screws to the holding part.
  • the securing part can be designed annular.
  • FIG. 1 shows a generally designated 1 elevator system in a highly simplified and schematic representation.
  • the elevator has a vertically up and down movable cabin 2 for the transport of persons or goods.
  • Supporting means 5 for supporting the car and a counterweight 4 may be a rope or a plurality of ropes. Of course, other support means are conceivable, for example in the form of belts.
  • the car 2 and the counterweight 4 are each connected via deflection units 7, 8, 9 with the support means.
  • a drive 6, for example a traction sheave drive is used, which is arranged by way of example in a separate machine room in the region of the shaft head.
  • elevator installation 1 is designed in a 2: 1 suspension configuration.
  • suspension variants eg 1: 1, 4: 1, etc.
  • a deflection unit may also be arranged in the region of the cabin roof.
  • FIG. 2 shows the region of the axis of rotation of the counterweight associated with the deflection unit 9, on which via the carrier 13, the (not shown) counterweight is suspended.
  • the deflection unit shown here could also be assigned to the cabin (7, 8; Fig.1 ) or even at another location in the elevator installation.
  • the deflection unit 9 comprises a deflection roller 11, on the circumference of which the support means (not shown here) is guided and deflected.
  • the deflection roller 11 is connected via a bearing 12 with an axis 10 and freely rotatably supported on the axis 10.
  • the bearing 12 may include one or more rolling bearings as required.
  • the axle 10 is fixed to a carrier 13.
  • the carrier 13 is connected to the (not shown) counterweight.
  • the carrier 13 has two mutually opposite walls 25 and 26, which are each provided with a bearing receptacle, through which the axis 10th is performed.
  • the axle 10 is secured in the axial direction on both sides.
  • the holding means for axially securing the axle to the carrier is formed by an axle head 15 integrally formed on the axle 10, which defines a shoulder-like stop.
  • the axial securing is achieved by a holding part 14 attached to the axle.
  • the securing part designated 20 is used for securing the holding part 14 in the position shown.
  • the axis 10 is rotatably connected to the carriers 13, wherein the rotation only acts on one side of the axle. This rotation ensures the designated 16 fuse element, which is bolted to the carrier 13.
  • the axle head 15 has a predetermined by a flat surface anti-rotation portion 21 which is supported on a securing member 16.
  • the securing member 16 is secured to the carrier 13 via a screw connection.
  • FIG. 3 shows, inter alia, that the holding part 14 is designed horseshoe-shaped.
  • the horseshoe-shaped holding part 14 has mutually opposite, parallel flanks 18, which cooperate with complementary form-shot portions 19 and thus ensure a rotationally fixed fixation of the holding part 14 in the finished assembled position.
  • the holding part 14 surrounds the axis 19 with respect to the radial direction predetermined by the axis.
  • the securing part 20 is designed annular and contains four to the threaded holes 27 corresponding through holes 28 through which the screws 23 are inserted.
  • the holding part 14 is provided with threaded holes designed as receptacles for mounting screws 23.
  • the holding part could be ring-shaped and the securing part horseshoe-shaped.
  • the securing member 16 is formed by a plate-like body. Instead of the illustrated in a plan view square plate also other shapes for the component 16 could be selected. It should be noted that the securing member 16 has an edge or portion which cooperates with the anti-rotation portion 21 of the axis 10 and rests against this. The securing member 16 has a hole 30 through which the screw 17 can be inserted and then screwed into the threaded bore in the wall 26 of the carrier 13. The substantially cylindrically shaped axle head has an anti-rotation portion 21 created by chamfering.
  • the screw 17 is a predetermined breaking element, which under the influence of excessive shear forces, for example, when the pulley suddenly and unforeseen can not turn and a certain torque between pulley and axle is exceeded, breaks and thereby the rotation of the axle 10 is released ,
  • the mentioned torque can be easily adjusted by the choice and dimensioning of the screw 17. Thanks to the two lateral holding means, i. the axle head 15 on one side and the holding part 14 on the other side, the axis is still secured against undesired movement in the axial direction. When the service person discovers the axle rotating in the carrier, it can take repair or repair measures. After the release of the rotation, the axis 10 is thus rotatably received in the carrier in a second life cycle of the deflection.
  • FIG. 4 shown by chamfering anti-rotation portion of the axle head could also have a projecting in the radial direction anti-rotation portion or a special shape in the peripheral region.
  • the in FIG. 4 be denoted by 16 plate body welded to the axle head.
  • This anti-rotation means integrated with or in the axle head would have to be - analogous to the exemplary embodiment according to FIG. 4 - Only be attached to the carrier with a screw.
  • the in FIG. 4 not shown special exemplified anti-rotation means required. Because it may be sufficient if the fitted in bearing mounts of the carrier axis is prevented due to the much higher friction between the axle and carrier, to rotate during normal operation in a cabin ride.
  • the axis head of the embodiment according FIG. 4 could in this case a cylindrical outer shape without chamfering and the bearing unit would not have a securing member. After a bearing defect, the friction in or in the rolling bearings would be greater than that between the axle and the carrier, whereupon the axis in the Can turn carrier. Screw 17 and axis 24 lie on a surface normal of the anti-rotation portion
  • FIG. 5 shows the individual components of the axle assembly containing the axle 10 with the axle head 15 formed on the axle, the securing member 16 designed as a plate, the holding member 14 and the securing member 20.
  • the axle 10 is evidently designed mushroom-shaped, the axle head 15 being the "mushroom umbrella”. forms.
  • the axle shaft 24 adjoining the axle head in the axial direction has a smaller diameter D1 than the diameter D2 of the axle head 15.
  • the axle shaft 24 can be fitted in corresponding bearing receptacles of the carrier.
  • Such a mushroom-shaped axis is inexpensive to produce.
  • the axis can be easily made of a metallic material (eg steel) by machining processes (turning, milling, etc.).

Landscapes

  • Rolling Contact Bearings (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Claims (16)

  1. Installation d'ascenseur avec une cabine (2), un contrepoids (4) et un moyen porteur (5) pour porter la cabine (2) et le contrepoids (4), la cabine (2) et/ou le contrepoids (4) étant reliés chacun par l'intermédiaire d'au moins une unité de renvoi (7, 8, 9) au moyen porteur (5), la ou les unités de renvoi (7, 8, 9) comportant au moins une poulie de renvoi (11) et un axe (10), fixé à un support (13), sur lequel la ou les poulies de renvoi (11) sont montées pour pouvoir tourner librement, caractérisée en ce que l'axe (10) a la forme d'un champignon, l'axe en forme de champignon (10) comportant une tige d'axe (24) et une tête d'axe (15), rapportée sur la tige d'axe, pour former une butée (13), en ce qu'il est prévu un moyen de retenue (14) sur le côté de l'axe (10) opposé à la tête d'axe (15), moyennant quoi le support (13) est logé entre la tête d'axe (15) et le moyen de retenue (14), et en ce que la tête d'axe (15) et le moyen de retenue (14) autorisent une rotation de l'axe (10) par rapport au support (13).
  2. Installation d'ascenseur selon la revendication 1, caractérisée en ce qu'au moins la tête d'axe (15) et/ou le moyen de retenue (14), pour un montage bloqué en rotation de l'axe (10), sont fixés de manière fixe en rotation grâce à un moyen de blocage de rotation (16) lors d'un premier cycle de vie.
  3. Installation d'ascenseur selon la revendication 2, caractérisée en ce qu'au moins une unité de renvoi (7, 8, 9) est conçue pour qu'en cas de dépassement d'un couple de rotation défini, entre la poulie de renvoi (11) et l'axe (10), le moyen de blocage de rotation (16, 17) libère le moyen de retenue (15) associé et que l'axe, dans un second cycle de vie, soit monté en rotation dans le support (13).
  4. Installation d'ascenseur selon la revendication 2 ou 3, caractérisée en ce que le moyen de blocage de rotation (16, 17) est conçu comme un élément de rupture.
  5. Installation d'ascenseur selon la revendication 4, caractérisée en ce que pour former le moyen de blocage de rotation, la tête d'axe (15) présente une section de blocage de rotation (21), prédéfinie de préférence par une surface plane, qui s'appuie contre un organe de blocage (16) fixé au support (13).
  6. Installation d'ascenseur selon la revendication 5, caractérisée en ce que l'organe de blocage (16) est un corps, formé de préférence par une plaque, qui est fixé par l'intermédiaire d'au moins une vis (17) au support (13).
  7. Installation d'ascenseur selon la revendication 6, caractérisée en ce que l'organe de blocage (16) est bloqué sur le support (13) par une seule vis (17).
  8. Installation d'ascenseur selon les revendications 5 et 6, 7, caractérisée en ce que la vis (17) est parallèle à l'axe (10) de telle sorte que la vis (17) et l'axe (10) se trouvent sur une normale à la surface de la section de blocage de rotation (21).
  9. Installation d'ascenseur selon l'une des revendications 1 à 8, caractérisée en ce que le moyen de retenue (14) est formé par un composant séparé.
  10. Installation d'ascenseur selon l'une des revendications 1 à 9, caractérisée en ce que le moyen de retenue est formé par un élément de retenue (14) qui entoure l'axe (10).
  11. Installation d'ascenseur selon la revendication 10, caractérisée en ce que l'élément de retenue (14) a la forme d'un fer à cheval ou d'un anneau.
  12. Installation d'ascenseur selon la revendication 10 ou 11, caractérisée en ce que pour être retenu en étant bloqué en rotation sur l'axe (10), l'élément de retenue en forme de fer à cheval (14) présente des flancs plans (18) tandis que l'axe (10) présente des sections à complémentarité de forme par rapport aux flancs.
  13. Installation d'ascenseur selon la revendication 11 ou 12, caractérisée en ce que l'axe (10) présente une rainure (22) pour recevoir l'élément de retenue en forme de fer à cheval (14).
  14. Installation d'ascenseur selon l'une des revendications 10 à 13, caractérisée en ce que pour bloquer l'élément de retenue (14), il est prévu un élément de blocage (20) qui entoure l'axe (10) dans le sens radial et qui est de préférence relié à l'aide de vis (23) à l'élément de retenue (14).
  15. Installation d'ascenseur selon la revendication 14, caractérisée en ce que l'élément de blocage (20) a la forme d'un anneau.
  16. Unité de renvoi pour une installation d'ascenseur selon l'une des revendications 1 à 15, par l'intermédiaire de laquelle une cabine (2) et/ou un contrepoids (4) sont aptes à être reliés à un moyen porteur (5) pour porter la cabine (2) et le contrepoids (4), l'unité de renvoi (7, 8, 9) comportant au moins une poulie de renvoi (11) et un axe (10), fixé à un support (13), sur lequel la ou les poulies de renvoi (11) sont montées pour pouvoir tourner librement, caractérisée en ce que l'axe (10) a la forme d'un champignon, l'axe en forme de champignon (10) comportant une tige d'axe (24) et une tête d'axe (15), rapportée sur la tige d'axe, pour former une butée (13), en ce qu'il est prévu un moyen de retenue (14) sur le côté de l'axe (10) opposé à la tête d'axe (15), moyennant quoi le support (13) est logé entre la tête d'axe (15) et le moyen de retenue (14), et en ce que la tête d'axe (15) et le moyen de retenue (14) autorisent une rotation de l'axe (10) par rapport au support (13).
EP13726558.3A 2012-06-12 2013-06-05 Installation d'ascenseur Not-in-force EP2859245B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13726558.3A EP2859245B1 (fr) 2012-06-12 2013-06-05 Installation d'ascenseur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12171672 2012-06-12
EP13726558.3A EP2859245B1 (fr) 2012-06-12 2013-06-05 Installation d'ascenseur
PCT/EP2013/061531 WO2013186092A1 (fr) 2012-06-12 2013-06-05 Installation d'ascenseur

Publications (2)

Publication Number Publication Date
EP2859245A1 EP2859245A1 (fr) 2015-04-15
EP2859245B1 true EP2859245B1 (fr) 2017-03-01

Family

ID=48570168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13726558.3A Not-in-force EP2859245B1 (fr) 2012-06-12 2013-06-05 Installation d'ascenseur

Country Status (9)

Country Link
US (1) US10046949B2 (fr)
EP (1) EP2859245B1 (fr)
CN (1) CN104364540B (fr)
AU (1) AU2013276735B2 (fr)
BR (1) BR112014030998A2 (fr)
CA (1) CA2875905C (fr)
HK (1) HK1207144A1 (fr)
SG (1) SG11201408197PA (fr)
WO (1) WO2013186092A1 (fr)

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FI125623B (fi) * 2011-10-25 2015-12-31 Kone Corp Taittopyöräjärjestely, hissi ja menetelmä
EP2878564A1 (fr) * 2013-11-27 2015-06-03 Kone Corporation Procédé pour installer des cordes d'un ascenseur et mécanisme de poulie d'un ascenseur
EP3142954A4 (fr) * 2014-05-16 2018-01-17 Inventio AG Installation de levage
WO2017072260A1 (fr) 2015-10-30 2017-05-04 Inventio Ag Élément de blocage d'une unité de renvoi
US10941020B2 (en) 2018-01-30 2021-03-09 Otis Elevator Company Deflector sheave bracket for offset bedplate
US11059699B2 (en) * 2018-02-28 2021-07-13 Tk Elevator Innovation And Operations Gmbh Elevator sheave assembly

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FR2639929B1 (fr) * 1988-12-01 1991-03-29 Otis Elevator Co Poutre-support des poulies des cables de traction pour ascenseur
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JP2004075270A (ja) 2002-08-14 2004-03-11 Toshiba Elevator Co Ltd エレベータ装置
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JP5105512B2 (ja) * 2007-05-21 2012-12-26 東芝エレベータ株式会社 エレベーターのシーブ支持装置
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Also Published As

Publication number Publication date
CN104364540A (zh) 2015-02-18
BR112014030998A2 (pt) 2017-06-27
HK1207144A1 (en) 2016-01-22
SG11201408197PA (en) 2015-01-29
EP2859245A1 (fr) 2015-04-15
CN104364540B (zh) 2017-07-28
CA2875905C (fr) 2017-07-25
AU2013276735B2 (en) 2016-07-28
CA2875905A1 (fr) 2013-12-19
US10046949B2 (en) 2018-08-14
WO2013186092A1 (fr) 2013-12-19
US20150158703A1 (en) 2015-06-11
AU2013276735A1 (en) 2015-01-22

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