EP1508545B1 - Système d'ascenseur avec attache d'extrémité de câble dépendant de la charge - Google Patents

Système d'ascenseur avec attache d'extrémité de câble dépendant de la charge Download PDF

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Publication number
EP1508545B1
EP1508545B1 EP04017606.7A EP04017606A EP1508545B1 EP 1508545 B1 EP1508545 B1 EP 1508545B1 EP 04017606 A EP04017606 A EP 04017606A EP 1508545 B1 EP1508545 B1 EP 1508545B1
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EP
European Patent Office
Prior art keywords
support means
lift
lift cage
guide rail
cage
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
EP04017606.7A
Other languages
German (de)
English (en)
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EP1508545A1 (fr
Inventor
Ernst Friedrich Ach
Roland Grumbrecht
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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
Priority claimed from EP03405591A external-priority patent/EP1510493A1/fr
Application filed by Inventio AG filed Critical Inventio AG
Priority to EP04017606.7A priority Critical patent/EP1508545B1/fr
Publication of EP1508545A1 publication Critical patent/EP1508545A1/fr
Application granted granted Critical
Publication of EP1508545B1 publication Critical patent/EP1508545B1/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
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/062—Belts
    • 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
    • B66B7/10—Arrangements of ropes or cables for equalising rope or cable tension

Definitions

  • the invention relates to an elevator installation with a tilting device according to the preamble of claim 1 and a tilting device according to the preamble of claim 11.
  • the support means are fixed in the region of a counterweight, carry a counterweight, are deflected on an upper (drive) disc and then run in the form of a loop under the elevator car and are fixed to the other side of the elevator car.
  • This fixation is also referred to as the vehicle-side suspension element fixing points, whereas the fixation in the region of the counterweight is referred to as the counterweight-side suspension element fixing point.
  • Fig. 1A a variant is shown in which the cabin-side suspension element fixed point 1 asymmetric on the Guide rail 5 is fixed.
  • the suspension means (not in the Fig. 1A to 1E shown), pull with a force F1 on the suspension element fixed point 1. This results in a bending moment acting on the guide rail 5.
  • a variant is shown in which a cab-side support means fixed point 2 is provided which is supported on the one hand on the guide rail 5 and on the other hand at a point 2.1 against a shaft wall.
  • An advantage of this variant is the bending moment-free introduction of force in the rail 5, disadvantageous, however, is the fact that it can lead to a slanted position in a reduction of the elevator shaft, or in temperature-induced expansions of the rail 5.
  • the wall of the elevator shaft is loaded by the type of suspension shown.
  • a cab-side support means fixed point 3 is provided, which is supported on a shaft wall, without being in contact with the guide rail 5.
  • This type of suspension leads to a high wall load.
  • the suspension element fixing point 4 can also be supported on one side on a guide rail 5 and on the other side in a wall niche 7 of the elevator shaft 6, as in FIG Fig. 1D shown.
  • the support in the wall niche 7 is form-fitting.
  • Fig. 1E can the support means fixed point 8 be mounted on both sides in wall niches 7 of the elevator shaft 6. There is no load on the guide rail 5, but the entire load must be carried through the walls of the shaft 6.
  • Embodiments of Tragstofffixticianen lifts which comprise per support means strand a one- or two-armed lever which is pivotally mounted about a fixed to a support structure horizontal axis and aligned horizontally.
  • the lever carries at one end the support means and is held by a force acting on the same lever arm or optionally on the second lever arm elastic element resiliently against the tensile force of the support means in approximately horizontal position.
  • An additional advantage of the invention is the fact that a length compensation between the individual support means is made by the luffing device, since the luffing device has a self-balancing effect on the support means.
  • the luffing device requires no support or fixation on one of the walls of a hoistway.
  • the luffing device allows a compensation, if the suspension means have smaller differences in length, if the design should have smaller overall asymmetries, or if it should come in the course of time to a different elongation of the support means.
  • a reaction - for example an emergency stop - can be triggered via the luffing device in case of uneven loading, or if one of the suspension elements should break.
  • FIG Fig. 2 A first embodiment of an elevator installation according to the invention is shown in FIG Fig. 2 shown in a schematic perspective view.
  • a machine room-less elevator system 20 is shown, which may comprise a lift shaft or "boxless" running.
  • the present invention relates to a machine room-less elevator installation 20, which comprises an elevator cage 13 and at least one first guide rail 15 for vertical guidance of the elevator cage 13.
  • the first guide rail 15 is in Fig. 2 only shown by a dashed line.
  • There are two support means 22 are provided, which are substantially parallel to each other.
  • the front suspension means 22.1 and the rear suspension means 22.2 where this is necessary for better distinction.
  • the same are fixed in the region of the first suspension element fixing points 29 via a luffing device 30 on the guide rail 15.
  • Each of the support means 22.1 and 22.2 undermines the elevator car 13, wraps around a traction sheave 12, in front of a drive (not in Fig.
  • the support means 22 carries the counterweight 18 in that the support means 22 revolve around counterweight rollers 21 and are fixed at the counterweight end in the region of second support means 28 fixed points.
  • the looping of the elevator car 13 takes place in the embodiment shown with Kabinentragrollen 17.1 and guide rollers 17.2, which are each designed in pairs.
  • the said rocking device 30 has two arms and is in Fig. 2 only indicated schematically. It is mechanically fastened to the guide rail 15 such that a rocking movement of the luffing device 30 about an axis is possible, which runs essentially perpendicular to the guide rail 15. At each of the two arms of the rocker 30 each one of the support means fixed points is provided.
  • the luffing device 30 allows for uneven loading of the two support means 22.1 and 22.2 a rocking movement by a length compensation is carried out automatically. If there is a suspension element breakage of one of the suspension elements, the rocker device 30 is suddenly loaded asymmetrically, which causes a rocking movement of the rocker device 30 in one direction.
  • This rocking movement can be detected either by means of a push button or a non-contact switch to interrupt the driving operation of the elevator system, or the rocking device 30 can mechanically engage in a speed limiter to trigger a braking. It can also be triggered alternatively or additionally a warning signal. Further details will be described later.
  • FIG. 3 Details of a similar embodiment are the Fig. 3 refer to.
  • a machine roomless elevator system 20 is shown.
  • the reference numeral 11 is a
  • Lift shaft characterized in that a drive 10 with traction sheave (s) 12, the elevator car 13 via a paired support means 22 moves up and down.
  • the drive 10 together with traction sheave (s) 12 sits laterally above the elevator car 13 on one of the guide rails 15, which is arranged to the left of the elevator car 13.
  • a further guide rail 15 is located to the right of the elevator car 13.
  • Guide shoes 14 are provided on the elevator car 13 in order to guide the elevator car 13 vertically along the two guide rails 15.
  • the drive 10 has an acting on a traction sheave shaft 25 drive shaft 24 which is aligned parallel to the counterweight side wall 13.1 of the elevator car 13 and carries at least one traction sheave 26.
  • the drive 10 and the traction sheave shaft 25 with at least one traction sheave 12 are mounted on a machine carrier 23, which is supported on the two counterweight guide rails 18.1 and is mechanically connected thereto. It is also possible to mount the drive 10 and the said elements on or on the guide rail 15, which is arranged to the left of the elevator car 13. Alternatively, drive 10 and the aforementioned elements may be on the counterweight guide rails 18.1 and the guide rails 15 to be supported.
  • a brake unit 27 may be arranged, which enables a braking of the elevator car 13.
  • the brake unit 27 is in Fig. 3 indicated only by dashed lines, since it sits behind the drive 10.
  • the counterweight-side suspension element fixing points 28 of the suspension elements 22 are fastened in the region below the machine carrier 23.
  • this attachment by means of screws via which the position of the support means end can be adjusted individually.
  • an adjustment can be made, which allows the rocker 30 in a predefined position, for example to bring a horizontal position.
  • the two support means 22 (22.1 and 22.2) are substantially parallel to each other. From the counterweight-side suspension element fixing points 28, the suspension elements 22 extend downwards, partially around the counterweight support rollers 21, and are guided further up the elevator shaft 11 around the traction sheave (s) 26. From there, the support means 22 run along the left side wall 13.1 of the elevator car 13 downwards and are then at least partially guided around the Kabinentragrollen 17.1 around. This type of suspension is called underling. On the right side of the elevator car 13, the suspension elements 22 are guided upwards, where each of the suspension elements 22 is fastened to an arm of a luffing device 30 in the area of the cabin-side suspension element fixing points 29.
  • suspension means is to be understood as synonymous with any type of ropes and means suitable for carrying and moving the elevator car 13 and the counterweight 18.
  • the support means are flat or V-ribbed belts. It can be used in connection with the invention but also steel or plastic ropes with a round cross section as a support means.
  • the rocker device 30 comprises a first arm 30.1 and a second arm 30.2. These arms 30.1 and 30.2 are preferably but not necessarily symmetrically arranged with respect to a rotation axis 30.3, which in the example shown extends perpendicular to the plane of the drawing.
  • the axis of rotation 30.3 is mounted on or on the guide rail 15.
  • Each of the two arms 30.1 and 30.2 has fastening points 30.4 and 30.5, which serve for fastening the suspension elements 22.1 and 22.2. It is only important that the attachment points 30.4 and 30.5 are arranged symmetrically with respect to the axis of rotation 30.3.
  • the attachment of the support means 22.1 and 22.2 by means of round rods 31.1, 31.2 which are designed in the upper part as eyelets 31.3, 31.4.
  • the eyelets 31.3, 31.4 sit on axles 30.7, 30.8, or the like.
  • There are clamping or screw 22.3 and 22.4 are provided which receive the ends of flat or V-ribbed belts 22.1, 22.2 and fix.
  • the support means are V-ribbed belts 22.1, 22.2, as can be seen from the parallel lines which are intended to represent the ribs of the belts.
  • the round rods 31.1, 31.2 can be designed as threaded spindles in order to be able to adjust the position of the arms of the rocker device 30 by rotating the round rods 31.1, 31.2.
  • the luffing device 30 is arranged on or on the guide rail 15, a part of the load, which is supported by the support means 22.1, and 22.2 is introduced into the guide rail 15.
  • the guide rail 15 must therefore apply a counterforce F, but runs centrally in the guide rail 15 and generates no undesirable torques in the x-y plane or in the y-z plane, which act on the guide rail 15.
  • Due to the ideal as frictionless running luffing device 30, support means forces are always evenly distributed to the support means 22.1, and 22.2.
  • An inclination of the luffing device 30 may arise because the support means have 22.1, and 22.2 have different lengths, or in that it has come to the installation to asymmetries.
  • Fig. 4 the luffing device 30 is also shown in a position which it occupies when the support means 22.1 is shorter than the support means 22.2. This position of the rocking device 30 is shown by dashed lines. Due to the unequal length of the support means 22.1, and 22.2, there is a rocking motion about the axis 30.3, which can be quantified by the angle ß. An abutment 36 for the arms of the luffing device 30 can optionally be provided on the guide rail 15.
  • an optional device 32 which switches off the elevator installation 20 and / or brakes the elevator car (13) and / or triggers a warning signal in the event of a rocking movement that exceeds a limit value.
  • This device 32 is referred to herein for simplicity as a limiting device. It may, for example, be a button that electrically conductively connects two contacts, as long as the rocker device 30 is in an angular range that is smaller than ⁇ ß. If the luffing device 30 releases the angle range .beta. Up or down, for example as a result of different carrier fluid or if a suspension element breaks, the pushbutton interrupts the electrically conductive connection.
  • the button can be part of the safety circuit that is usually present in elevator systems.
  • a non-contact switch can also be used.
  • an inclination sensor or inclination switch is used, which is arranged in the region of the rocker device 30 such that a reaction is triggered when excessive deflection of the rocker device 30 occurs.
  • Fig. 5 a section is shown which extends through an inventive rocking device 30 and guide rail 15.
  • the Fig. 5 serves to explain the geometric arrangement of a preferred embodiment.
  • the luffing device 30 is arranged and designed so that it is supported on the centroid P of the guide rail 15 so that a connecting line X between two support means extends through this centroid.
  • the distance a of the two axes 30.7 and 30.8, which symbolize the force application positions of the support means, from the point P is the same for both arms 30.1 and 30.2.
  • the two axes 30.7 and 30.8 are in Fig. 5 indicated by dashed lines.
  • the connection of the support means with the arms of the rocking device is designed according to the invention so that it allows at least small rotational movements.
  • the luffing device of the different support medium elongation can perform appropriate rocking movements.
  • the rotational movement can be achieved by the attachment of the support means to the arms 30.1, 30.2 of the luffing device 30 by means of eyelets 31.3, 31.4 and axes 30.7, 30.8 is executed.
  • secondary rockers can also be provided, which are connected via axes with the arms 30.1, 30.2 of the luffing device. These secondary rockers can perform small rocking movements with respect to the rocker.
  • Another embodiment is characterized in that the rods 31.1, 31.2 are flexible and connected at their upper ends in the region of the eyelets fixed to the arms of the Wippvorraum. The flexibility of the rods 31.1, 31.2 gives the necessary freedom of movement.
  • Fig. 6 a schematic arrangement is shown which, similar to the limiting device 32 triggers a reaction when the rocking movement exceeds a limit. If the deflection of the arms of the luffing device 40 by large differences in length of the support means 42.1, 42.2 or due to a Tragstoffbruchs exceeds a certain limit, the blocking pendulum 47 of a pendulum speed limiter 43 of known type is forced into blocking position by the arm 41. Such speed limiters 43 are used to limit the speed of elevator cars.
  • a closed rope 44 namely a so-called speed limiter rope is used as auxiliary rope.
  • This speed limiter cable 44 runs around a cable pulley 45 of the speed limiter 43 mounted in the elevator shaft at the top and around a tension pulley (not in FIG Fig. 6 shown).
  • the speed governor cable 44 is connected to the elevator car via a catcher trip lever 46, which not in Fig. 6 is shown. If the speed of the elevator car exceeds a certain limit speed, then the pulley 45 of the speed limiter 43 and with it the speed limiter cable 44 are blocked by the blocking pendulum 47, whereby the braked speed limiter cable 44 actuates the safety gear release lever 46 moving with the moving elevator car so that triggers a mounted on the elevator car safety device triggers.
  • the safety gear can be triggered when the deflection of the arms of the rocker 40 by large differences in length of the support means 42.1, 42.2 or due to a Tragstoffbruchs exceeds a certain limit.
  • the arm 41 of the rocker 40 actuates either directly or via a lever 50, the blocking pendulum 47 and thereby causes the above-described blocking of the speed limiter 43 and the triggering of the safety brake.
  • the rocker device 40 is supported on the guide rail 48.
  • the speed limiter 43 can be carried by the guide rail 48 via a mechanical connection 49.
  • the limiting device 32 (FIG. Fig. 4 ) can also electrically, for example via a solenoid, the speed limiter according to Fig. 6 trigger.
  • the luffing device 30 is mounted so that its rocking movements are slightly damped. Thus, short load fluctuations, for example due to vibrations of the elevator car 13, can be damped. Additionally or alternatively, means may be provided which as Stop for the luffing device 30; 40 serve. In Fig. 6 For this purpose serving adjustable stop screws 60 are shown.
  • Embodiments with 4, 6 or more support means 52.1 - 52.4 can be designed so that in each case two of the support means 52.1, 52.2 and 52.3, 52.4 are mounted in pairs on a rocker 55.1 and 55.2. Two such rockers 55.1 and 55.2 are in turn suspended together on a parent rocker 55.3, as shown schematically in FIG Fig. 7 shown. The entire rocking device is in turn supported on the guide rail 51.
  • Another embodiment is characterized in that the support means are also mounted on the counterweight side of the local guide rail.

Landscapes

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

Claims (13)

  1. Installation d'ascenseur (20) avec
    - une cabine d'ascenseur (13),
    - un rail de guidage (15 ; 48 ; 51), prévu sur un côté de la cabine d'ascenseur, pour le guidage de ladite cabine d'ascenseur (13),
    - plusieurs éléments porteurs (22 ; 42.1, 42.2 ; 52.1-52.4) globalement parallèles qui portent un contrepoids (18) installé sur le premier côté ou sur le côté de la cabine (13) opposé à celui-ci et qui passent sous la cabine (13), étant précisé que chacun des éléments porteurs (22 ; 42.1, 42.2 ; 52.1-52.4) est fixé avec une extrémité sur le premier côté, et avec l'autre extrémité sur le côté opposé de la cabine à des points de fixation d'élément porteur (28, 29) prévus respectivement à ces endroits,
    caractérisée en ce qu'il est prévu, fixé au rail de guidage (15 ; 48 ; 51), un dispositif à bascule (30 ; 40) avec deux bras (30.1, 30.2) qui est conçu pour qu'un mouvement de bascule des bras (30.1, 30.2) soit possible, étant précisé qu'il est prévu sur chacun des deux bras (30.1, 30.2) un point fixe d'élément de suspension (29) associé au premier côté de la cabine d'ascenseur, et que le dispositif à bascule (30 ; 40) empêche, grâce au mouvement de bascule, une contrainte inégale des deux éléments porteurs (22 ; 42.1, 42.2 ; 52.1-52.4).
  2. Installation d'ascenseur (20) selon la revendication 1, caractérisée en ce qu'il est prévu un deuxième rail de guidage (15) pour le guidage vertical de la cabine d'ascenseur (13), qui supporte de préférence un entraînement (10) disposé latéralement au-dessus de la cabine d'ascenseur (13).
  3. Installation d'ascenseur (20) selon la revendication 2, caractérisée en ce que les éléments porteurs (22.1, 22.2 ; 42.1, 42.2 ; 52.1-52.4) sont globalement symétriques par rapport à un plan qui s'étend entre les premier et deuxième rails de guidage (15 ; 48 ; 51).
  4. Installation d'ascenseur (20) selon la revendication 2, caractérisée en ce que des courroies plates ou à rainures cunéiformes servent d'éléments porteurs (22 ; 42.1, 42.2 ; 52.1-52.4), étant précisé que les éléments porteurs portent la cabine d'ascenseur (13) sous la forme d'un passage sous la cabine avec un rapport 2:1.
  5. Installation d'ascenseur (20) selon la revendication 2, caractérisée en ce qu'un nombre total pair d'éléments porteurs (22 ; 42.1, 42.2 ; 52.1-52.4) est utilisé, étant précisé que la moitié du nombre total d'éléments porteurs (22 ; 42.1, 42.2 ; 52.1-52.4) sont disposés sur un côté, et l'autre moitié du nombre total d'éléments porteurs (22 ; 42.1, 42.2 ; 52.1-52.4) sur l'autre côté des premier et deuxième rails de guidage (15 ; 48 ; 51).
  6. Installation d'ascenseur (20) selon la revendication 1, caractérisée en ce que le contrepoids (18) est guidé sur le côté de la cabine d'ascenseur (13) par deux rails de guidage de contrepoids (18.1).
  7. Installation d'ascenseur (20) selon la revendication 1, caractérisée en ce qu'il est prévu une butée (36) pour limiter mécaniquement le mouvement de bascule.
  8. Installation d'ascenseur (20) selon l'une des revendications 2, 3 ou 4, caractérisée en ce que le dispositif à bascule (30 ; 40) est supporté sur ou contre une extrémité supérieure du premier rail de guidage (15 ; 48 ; 51) de telle sorte que les forces de traction (F1, F2) dirigées verticalement qui agissent du fait des éléments porteurs (22.1, 22.2) sur le dispositif à bascule (30 ; 40) soient introduites dans le premier rail de guidage (15 ; 48 ; 51) dans la zone du barycentre géométrique (P) de la section transversale dudit rail de guidage (15 ; 48 ; 51).
  9. Installation d'ascenseur (20) selon l'une des revendications 2 à 6, caractérisée en ce que le dispositif à bascule (30 ; 40) est relié à un dispositif de limitation (32 ; 41) qui, en cas de basculement dépassant une valeur limite, arrête l'entraînement (10) de l'installation d'ascenseur (20) et/ou freine la cabine d'ascenseur (13) et/ou déclenche un signal d'avertissement.
  10. Installation d'ascenseur (20) selon la revendication 9, caractérisée en ce que le dispositif de limitation (41) est en relation d'interaction, mécaniquement ou électriquement, avec un limiteur de vitesse (43) de l'installation d'ascenseur (20) afin de freiner la cabine d'ascenseur (13) par l'intermédiaire d'un parachute (44, 46).
  11. Dispositif à bascule (30 ; 40) qui est conçu pour être utilisé dans une installation d'ascenseur (20) comportant
    - une cabine d'ascenseur (13),
    - au moins un premier rail de guidage (15 ; 48 ; 51), disposé sur un premier côté de la cabine d'ascenseur, pour le guidage de ladite cabine d'ascenseur (13),
    - plusieurs éléments porteurs (22 ; 42.1, 42.2 ; 52.1-52.4) globalement parallèles qui portent un contrepoids (18) installé sur le premier côté de la cabine (13) et qui passent sous la cabine (13), étant précisé que chacun des éléments porteurs (22 ; 42.1, 42.2 ; 52.1-52.4) est fixé avec une extrémité sur le premier côté, et avec l'autre extrémité sur le côté opposé de la cabine à des points de fixation d'élément porteur (28, 29) prévus respectivement à ces endroits,
    caractérisé en ce que le dispositif à bascule est préparé pour un montage contre ou sur le rail de guidage (15 ; 48 ; 51) et comporte deux bras (30.1, 30.2) qui comportent des moyens de fixation (22.3, 22.4, 30.7, 30.8, 31.1, 31.2, 31.3, 31.4), pour la fixation mobile d'un élément moteur (22.1, 22.2), qui reçoivent et fixent l'extrémité des éléments porteurs (22.1, 22.2), et étant précisé que les moyens de fixation (22.3, 22.4, 30.7, 30.8, 31.1, 31.2, 31.3, 31.4) sont disposés symétriquement par rapport à un axe de rotation (30.3).
  12. Dispositif à bascule (30 ; 40) selon la revendication 11, caractérisé en ce qu'il comprend un dispositif de limitation (41) qui est apte à être couplé mécaniquement ou électriquement à un limiteur de vitesse (43) pour arrêter un entraînement (10) de l'installation d'ascenseur (20) et/ou freiner la cabine d'ascenseur (13) au cas où le dispositif de basculement (40) décrit un mouvement de basculement qui dépasse une valeur limite.
  13. Dispositif à bascule (30 ; 40) selon la revendication 11, caractérisé en ce que les moyens de fixation comprennent des dispositifs de serrage ou de vissage (22.3, 22.4).
EP04017606.7A 2003-08-12 2004-07-26 Système d'ascenseur avec attache d'extrémité de câble dépendant de la charge Not-in-force EP1508545B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04017606.7A EP1508545B1 (fr) 2003-08-12 2004-07-26 Système d'ascenseur avec attache d'extrémité de câble dépendant de la charge

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03405591 2003-08-12
EP03405591A EP1510493A1 (fr) 2003-08-12 2003-08-12 Système d'ascenseur avec attache d'extrémité de câble dépendant de la charge
EP04017606.7A EP1508545B1 (fr) 2003-08-12 2004-07-26 Système d'ascenseur avec attache d'extrémité de câble dépendant de la charge

Publications (2)

Publication Number Publication Date
EP1508545A1 EP1508545A1 (fr) 2005-02-23
EP1508545B1 true EP1508545B1 (fr) 2015-12-23

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EP04017606.7A Not-in-force EP1508545B1 (fr) 2003-08-12 2004-07-26 Système d'ascenseur avec attache d'extrémité de câble dépendant de la charge

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3124423A1 (fr) 2015-07-28 2017-02-01 Inventio AG Dispositif de suspension de support dote d'un dispositif a bascule a deux niveaux ayant des bras de retenus inferieurs longs pour un ascenseur
EP3124424A1 (fr) 2015-07-28 2017-02-01 Inventio AG Dispositif de suspension de support dote d'un dispositif a bascule presentant des poulies de renvoi pour un ascenseur
EP3124422A1 (fr) 2015-07-28 2017-02-01 Inventio AG Installation d'ascenseur avec repartition inegale des charges sur plusieurs supports fixes a un dispositif de suspension de support
EP3124421A1 (fr) 2015-07-28 2017-02-01 Inventio AG Dispositif de suspension de support dote d'un dispositif a bascule asymetrique pour un ascenseur
EP4349760A1 (fr) * 2022-10-05 2024-04-10 TK Elevator Innovation and Operations GmbH Dispositif d'équilibrage pour moyens de suspension
CN116969369B (zh) * 2023-09-22 2024-01-09 沈阳蓝光驱动技术有限公司 一种电梯曳引机制动装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000086114A (ja) * 1998-09-14 2000-03-28 Toshiba Corp エレベータ装置
JP2001247277A (ja) * 2000-02-09 2001-09-11 Otis Elevator Co デッドエンドヒッチ

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