EP2303750B1 - Installation d'ascenseur dotée d'une cabine d'ascenseur automatique - Google Patents

Installation d'ascenseur dotée d'une cabine d'ascenseur automatique Download PDF

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Publication number
EP2303750B1
EP2303750B1 EP09780643.4A EP09780643A EP2303750B1 EP 2303750 B1 EP2303750 B1 EP 2303750B1 EP 09780643 A EP09780643 A EP 09780643A EP 2303750 B1 EP2303750 B1 EP 2303750B1
Authority
EP
European Patent Office
Prior art keywords
flat
lift
guide
guide structures
drives
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
EP09780643.4A
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German (de)
English (en)
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EP2303750A1 (fr
Inventor
Hans Kocher
Karl Weinberger
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Inventio AG
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Inventio AG
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Publication date
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Priority to EP09780643.4A priority Critical patent/EP2303750B1/fr
Publication of EP2303750A1 publication Critical patent/EP2303750A1/fr
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Publication of EP2303750B1 publication Critical patent/EP2303750B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/02—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable
    • B66B9/022—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable by rack and pinion drives
    • 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
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
    • B66B11/005—Arrangement of driving gear, e.g. location or support in the hoistway on the car

Definitions

  • the invention relates to an elevator installation with two vertical lateral guide structures and with two counterweights that can be moved along the guide structures, wherein the elevator cage is provided with a self-propelled unit and is connected to the counterweights by means of suspension.
  • Conventional traction elevators include an elevator car which is connected via a suspension means with a counterweight.
  • the suspension (wire rope, belt, etc.) is driven by a stationary traction drive. Both the elevator car and the counterweight are guided over rigid guides in the shaft.
  • the object is to design an elevator installation that requires less space than the conventional traction elevators and which can be realized as simply and with few resources as possible.
  • the invention is achieved by a genusgemtreu elevator system whose Aufzugekabine is self-propelled.
  • a flat drive is attached to each of the two cabin sides, wherein each flat drive has a toothed ring, which engages in complementary, stationary mounted in the shaft teeth.
  • These complementary gears are provided on the guide structures.
  • the elevator car moves in that a rotational movement of the ring gear is converted into a vertical movement of the elevator car along the complementary teeth.
  • each flat drive is provided with its own brake.
  • At least one respective counter-roller is provided per flat drive in order to be able to guide the elevator car safely.
  • the support means are mounted eccentrically in the upper region of the elevator car in such a way that asymmetrically resulting pairs of forces are compensated.
  • the eccentric suspension of the elevator car leads to a safer engagement.
  • the invention leads to a longer life for the support means, since no (surface) traction forces are introduced into the suspension means.
  • a first elevator installation 100 is shown with vertical, columnar guides 10, which stand on a shaft floor 4 and are fastened to the wall 2 of a building 1, for example via fastening modules (not shown).
  • the building 1 has floors 3.
  • an elevator car 5 is arranged with inventive self-propelled.
  • the guides 10 are closed at the bottom, for example, with a standing on the shaft bottom 4 module 12 and above with a head module only partially shown and laterally interconnected.
  • the elevator car 5 has at its two guide-side, opposite cabin sides 5.1, 5.2 depending on a flat drive 6.
  • the flat drives 6 are attached to the elevator car 5, or they are connected by means of special fastening means to the elevator car 5.
  • Each flat drive 6 comprises a sprocket 7, which engages in complementary teeth 25 which are provided on the guide structures 10 (see, eg Fig. 2 ).
  • a rotational movement of the ring gear 7 is converted into a vertical movement of the elevator car 5.
  • the flat drives 6 run together with the elevator car 5 along the complementary teeth 25 upwards or downwards.
  • Fig. 1 an embodiment is shown in which the counterweights 18 have a cylindrical shape. Another Embodiment is in Fig. 2 indicated. In this embodiment, the counterweights 18 have a rectangular shape.
  • These flat drives 6 are also referred to as torque motors.
  • the elevator car 5 is attached as a load directly to the flat drive 6.
  • the rotor 33 of the flat drive 6 is mounted in the stator 34.
  • the ring gear 7 is part of the rotor 33.
  • the stator 34 is directly on the elevator car 5 or on a cabin structure 35 (see, for example Fig. 4 ) attached. It requires no transmission means, such as gears, belts, chains, etc. Therefore, these flat actuators 6 are also referred to as direct drives.
  • flat drives 6 It is an advantage of these flat drives 6 that they have a compact, space-saving design and therefore can be easily arranged laterally of the elevator car 5 in the gap between the travel path of the elevator car and the shaft wall. In addition, such flat drives 6 have almost no mechanical friction losses and are efficient. Particularly preferred are flat drives 6 with housing or frameless design. Such flat drives 6 can be disguised and rebuilt as needed. Therefore, they are particularly suitable for the present applications.
  • FIG. 2 Another embodiment of the invention is in Fig. 2 shown.
  • the elevator installation 100 comprises an elevator cage 5, two vertical lateral guide structures 10 and two counterweights 18 movable along the guide structures 10.
  • the elevator cage 5 is provided with a self-propelled drive.
  • the elevator car 5 is connected to the counterweights 18 by means of suspension 19. It is also in this case to a self-propelled elevator car 5, at the two guide-side cabin sides 5.1, 5.2 each a flat drive 6 is fixed in the gap between the track of the elevator car and the shaft wall.
  • Each flat drive 6 has a sprocket 7, which engages positively in complementary teeth 25 (eg in the form of racks), which are provided on the guide structures 10.
  • Cabin doors 21 may be provided on the elevator car 5 and shaft doors 22 may be provided on the elevator shaft.
  • the ends of the support means 19, for example ropes or belts, are fastened to so-called attachment points 8 on the elevator car 5.
  • These attachment points 8 lie in a vertical plane BV, which coincides with the plane in which the guide rails 10.1 are mounted.
  • the vertical plane BV is spaced from the cabin center K by a distance dS. This distance dS can also be understood as a measure of the eccentricity of the suspension.
  • a cabin structure 35 is provided on the elevator car 5, which is designed for fastening and receiving the flat drives 6.
  • This cabin structure 35 may, for example, be connected to a support frame of the elevator car 5 in order to be able to initiate occurring forces better.
  • the vertical guide structures 10 preferably have a cavity in which the counterweights 18 move.
  • guide rails 10. 1 are attached to the guide structures 10 in order to be able to guide the elevator car 5 more precisely.
  • guide surfaces 10.2 are provided on the guide structures 10 along which counter rollers 24 run. These guide surfaces 10.2 preferably run parallel to the toothed rack serving as complementary toothing 25.
  • FIG. 3 Another embodiment of the invention is in Fig. 3 shown.
  • the elevator installation 100 comprises an elevator cage 5, two vertical lateral guide structures 10 and two counterweights 18 movable along the guide structures 10.
  • the elevator cage 5 is provided with a self-propelled drive.
  • the elevator car 5 is connected to the counterweights 18 by means of suspension 19 (not shown in this figure). It is also in this case to a self-propelled elevator car 5, at the two cabin sides 5.1, 5.2 each have a flat drive 6 is attached.
  • Each flat drive 6 has a sprocket 7 (not shown in this figure) which engages complementary splines 25 (not shown in this figure) provided on the guide structures 10.
  • a rotational movement of the ring gear 7 is converted into a vertical movement of the elevator car 5.
  • guide rails 10.1 are mounted in the example shown in order to perform the elevator car 5 more precise.
  • the guide takes place in the example shown by means of guide shoes 36 which are arranged in pairs.
  • Fig. 3 to recognize an embodiment of a cabin structure 35, to which the flat drives 6 are attached and which in turn is connected to the elevator car 5.
  • the dimension dS for the eccentricity is in Fig. 3 also marked.
  • FIG. 4 An embodiment of a particularly preferred flat drive 6, as it can be used according to the invention is in Fig. 4 shown.
  • the illustrated flat drive 6 is designed as an external rotor permanent magnet synchronous motor, which includes an external ring gear 7.
  • the permanent magnets 31 are seated on a cylindrical surface and the laminated cores and coils 32 are radially enclosed by the permanent magnets 31.
  • the rotor 33 carries the permanent magnets 31, and the ring gear 7.
  • a brake disk 36 is attached to the rotor 33.
  • the stator 34 carries the laminated cores and coils 32 and extends inside the flat drive 6.
  • the stator 34 is mechanically connected to the cabin structure 35. On the cabin structure 35 or on the stator 34 sits a disc brake, which acts on the brake disc 36.
  • the thickness D1 of the flat drive 6 is preferably less than 100 mm. Preferably, the thickness D1 is less than 80 mm.
  • the diameter D2 is typically about 600 mm.
  • each flat drive 6 is provided with a brake.
  • a brake is provided with a brake.
  • a disc brake 23, 36 is provided.
  • a corresponding example is in Fig. 4 shown. In this case, sits on the rotor 33 of the respective flat drive 6, a brake disc 36 on which the disc brake 23 acts.
  • At least one respective counter-roller 24 is provided per flat drive 6 (see Fig. 2 ) in order to guide the elevator car 5 precisely. This counter-roller 24 ensures that the ring gear 7 engages precisely in the complementary toothing 25.
  • At least one counter-roller 24 is provided on each cabin side 5.1, 5.2, which rolls on the guide structure 10 and ensures a secure engagement of the sprockets 7 in the complementary teeth 25.
  • One possible arrangement of such counter rollers 24 is the Fig. 2 refer to.
  • the complementary teeth 25 in the form of racks extend vertically along the guides 10.
  • the counter rollers 24 run along surfaces which are parallel to the racks, these surfaces being on an opposite side.
  • the support means 19 are mounted eccentrically in the upper region of the elevator car 5 so that the attachment points 8 of the support means 19 are located on one side of a vertical plane VE, which is spanned by the guide structures 10.
  • the vertical plane VE is indicated by a dashed line passing through the center of the guide structures 10.
  • the flat drives 6 are in the eccentric suspension on the opposite side of this vertical plane VE.
  • the eccentric suspension takes into account the fact that exert a torque on the entire constellation by the driving forces caused by the flat drives 6. This torque can compensate, at least in part, for a pair of forces arising from such an eccentric suspension.
  • guide rails 10.1 are advantageously attached to the guide structures 10 in order to be able to guide the elevator car 5 more precisely, which leads to increased ride comfort and reduced wear.
  • FIG Fig. 5 Another elevator device 100 according to the invention is shown in FIG Fig. 5 shown in a simplified representation.
  • This embodiment is characterized in that the as complementary teeth 25 serving racks are provided with a helical toothing.
  • the teeth of the left rack and the teeth of the right rack are oriented to form an angle that is between 180 degrees (in this case both racks have a pitch) and 45 degrees.
  • Fig. 5 are the corresponding helical gear rims 7 of the flat drives indicated and it is the elevator car 5 can be seen.
  • a helical gearing is used, the pairing of racks and sprockets 7 in addition to the drive function also assumes a leadership function for the elevator car. 5
  • a special (hanging) cable in Aufzusschacht done or it can be provided on the guide structure 10 sliding contacts or current collector.
  • the flat drives 6 itself and the associated power electronics can be installed on or on the elevator car 5.
  • the weight of the counterweights 18 is selected to approximate the weight of the elevator car 5. By such a balancing the driving forces are reduced, which are applied by the flat drives 6.
  • the empty, as well as the loaded elevator car 5 always has the tendency to pull down in the elevator shaft, while the counterweight 18 is pulled upwards.
  • the flat drives 6 must be dimensioned so that they are able to drive an elevator car 5 with maximum load in the elevator shaft in self-propelled upwards. It is an advantage of this embodiment (A) that the flat drives 6 only have to drive in one direction. When driving down the elevator car 5, the flat drives 6 do not have to drive.
  • the flat drives 6 are used for braking (e.g., as eddy current brakes) or switched to generator mode.
  • the dead weight of the elevator car 5 is between 1 and 10% greater than the weight of the counterweight 18. A 5% greater weight of the elevator car 5 is preferred.
  • the empty, as well as the loaded elevator car 5 is always pulled up in the elevator shaft, while the counterweight 18 pulls down.
  • the flat drives 6 must be dimensioned so that they are able to drive an elevator car 5 with maximum load in the elevator shaft in self-propelled down. It is an advantage of this embodiment (B) that the flat drives 6 only have to drive in one direction. When driving up the elevator car 5, the flat drives 6 do not have to drive.
  • the flat drives 6 are used for braking (e.g., as eddy current brakes) of the counterweight 18 in the upward movement of the elevator car 5 or switched to generator operation.
  • the dead weight of the elevator car 5 is smaller than that between 1 and 10% Weight of the counterweight 18. A 5% smaller weight of the elevator car 5 is preferred.
  • the backlash is not important, since the flat drives 6 only have to drive in one direction.
  • equilibrium conditions between the elevator car and the counterweight are avoided, in which the flat drive 6 must generate a fluctuating moment about the zero point.
  • the control and activation of the flat drives becomes simpler since no transitions from one moment direction to another moment direction occur.
  • the brakes on the flat drives 6 can be used as a safety gear / fall protection.
  • the usual safety brake on the elevator car 5 can be saved. So here are the brakes on the flat drives 6 as a brake for all functions.
  • Another embodiment of the invention is characterized in that the sprockets 7 are wholly or partially designed with plastic to improve the running properties when combing with the racks.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Types And Forms Of Lifts (AREA)

Claims (14)

  1. Installation d'ascenseur (100) avec une cabine d'ascenseur (5) avec deux structures de guidage latérales verticales (10), et avec deux contrepoids (18) mobiles le long des structures de guidage (10), et avec un entraînement propre, étant précisé que la cabine d'ascenseur (5) est reliée aux contrepoids (18) par des éléments porteurs (19), caractérisée en ce qu'un entraînement plat (6) est fixé comme entraînement propre à chacun des côtés de cabine (5.1, 5.2) opposés, prévus côté guidage, de la cabine (5), étant précisé que chaque entraînement plat (6) comporte une couronne dentée (7) qui s'engrène dans des dentures complémentaires (25) prévues sur les structures de guidage (10) pour transformer un mouvement rotatif de la couronne dentée (7) en un mouvement vertical de la cabine d'ascenseur (5), et en ce que les éléments porteurs (19) sont fixés de manière excentrique dans la zone supérieure de la cabine (5) de telle sorte que des points de fixation (8) des éléments porteurs (19) se trouvent sur un côté d'un plan vertical (VE) qui est couvert par les structures de guidage (10), et que les entraînements plats (6) se trouvent sur un côté opposé de ce plan vertical (VE).
  2. Installation d'ascenseur (100) selon la revendication 1, caractérisée en ce que pour les entraînements plats (6), il s'agit d'entraînements plats sans réducteur.
  3. Installation d'ascenseur (100) selon la revendication 1, caractérisée en ce que pour les entraînements plats (6), il s'agit de moteurs à aimants permanents sans balais ou de moteurs à courant continu sans balais, de préférence de moteurs synchrones à aimants permanents.
  4. Installation d'ascenseur (100) selon la revendication 1, caractérisée en ce que pour les entraînements plats (6), il s'agit de moteurs à rotor extérieur.
  5. Installation d'ascenseur (100) selon l'une des revendications précédentes, caractérisée en ce qu'il est prévu sur les rotors (33) de chaque entraînement plat (6) un disque de frein (36) qui coopère avec un frein à disque (23).
  6. Installation d'ascenseur (100) selon l'une des revendications précédentes, caractérisée en ce qu'il est prévu sur chaque côté de cabine côté guidage (5.1, 5.2) au moins un galet opposé (24) qui roule sur la structure de guidage (10) et assure un engrènement sûr des couronnes dentées (7) dans les dentures complémentaires (25).
  7. Installation d'ascenseur (100) selon l'une des revendications précédentes, caractérisée en ce que les contrepoids (18) sont mobiles à l'intérieur des structures de guidage (10).
  8. Installation d'ascenseur (100) selon l'une des revendications précédentes, caractérisée en ce que des rails de guidage (10.1) sont installés sur les structures de guidage (10) pour guider la cabine d'ascenseur (5).
  9. Installation d'ascenseur (100) selon l'une des revendications précédentes, caractérisée en ce que les couronnes dentées (7) et des crémaillères servant de dentures complémentaires (25) sont dentées en biais.
  10. Installation d'ascenseur (100) selon l'une des revendications précédentes, caractérisée en ce que sur chaque entraînement plat (6), un frein (23, 36) est utilisé comme parachute ou protection contre une chute libre.
  11. Procédé pour faire fonctionner une cabine d'ascenseur (5) dans une installation d'ascenseur (100) composée de structures de guidage verticales (10) entre lesquelles la cabine d'ascenseur (5) est mobile et sur lesquelles des contrepoids (18) sont mobiles à l'aide de deux entraînements propres et la cabine (5) est reliée par des éléments porteurs (19) aux contrepoids (18), étant précisé qu'un entraînement plat (6) est fixé comme entraînement propre à chacun des côtés (5.1, 5.2) opposés, situés côté guidage, de la cabine (5), et
    étant précisé que le procédé comporte :
    la commande des entraînements plats (6),
    la production d'un mouvement rotatif d'un rotor de chaque entraînement plat (6), étant précisé que chaque entraînement plat (6) confère à la cabine d'ascenseur (5) et aux contrepoids (18) un mouvement linéaire le long des structures de guidage (10) grâce à une liaison par complémentarité de forme sur lesdites structures de guidage (10),
    de sorte que les entraînements plats (6) montent le long des structures de guidage (10), étant précisé que les éléments porteurs (19) sont fixés de manière excentrique dans la zone supérieure de la cabine (5) de telle sorte que des points de fixation (8) des éléments porteurs (19) se trouvent sur un côté d'un plan vertical (VE) qui est couvert par les structures de guidage (10), et que les entraînements plats (6) se trouvent sur le côté opposé de ce plan vertical (VE).
  12. Procédé selon la revendication 11, caractérisé en ce que des galets opposés (24) sont guidés sur les surfaces de guidage (10.2) des structures de guidage (10), de sorte que la liaison par complémentarité de forme est garantie.
  13. Procédé selon l'une des revendications 11 ou 12, caractérisé en ce que la liaison par complémentarité de forme est garantie grâce à des dents horizontales et inclinées du rotor et de la structure de guidage (10).
  14. Procédé selon l'une des revendications 11 à 13, caractérisé en ce qu'un frein (23) est activé, qui agit sur l'un des entraînements plats (6), étant précisé que la cabine d'ascenseur (5) est immobilisée sur la structure de guidage (10) à l'aide de la liaison par complémentarité de forme.
EP09780643.4A 2008-07-23 2009-07-15 Installation d'ascenseur dotée d'une cabine d'ascenseur automatique Not-in-force EP2303750B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09780643.4A EP2303750B1 (fr) 2008-07-23 2009-07-15 Installation d'ascenseur dotée d'une cabine d'ascenseur automatique

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08160999 2008-07-23
EP09780643.4A EP2303750B1 (fr) 2008-07-23 2009-07-15 Installation d'ascenseur dotée d'une cabine d'ascenseur automatique
PCT/EP2009/059077 WO2010010023A1 (fr) 2008-07-23 2009-07-15 Système d'ascenseur à cabine automotrice

Publications (2)

Publication Number Publication Date
EP2303750A1 EP2303750A1 (fr) 2011-04-06
EP2303750B1 true EP2303750B1 (fr) 2013-10-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09780643.4A Not-in-force EP2303750B1 (fr) 2008-07-23 2009-07-15 Installation d'ascenseur dotée d'une cabine d'ascenseur automatique

Country Status (3)

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EP (1) EP2303750B1 (fr)
CN (1) CN102099280A (fr)
WO (1) WO2010010023A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10875743B2 (en) 2017-06-16 2020-12-29 Otis Elevator Company Rope-climbing self propelled elevator system
DE102022129467A1 (de) 2022-11-08 2023-12-28 Tk Elevator Innovation And Operations Gmbh Aufzugsanlage

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Publication number Priority date Publication date Assignee Title
EP2560910B1 (fr) 2010-04-19 2015-01-14 Inventio AG Installation d'ascenseur dotée d'un dispositif de freinage installé sur la cabine d'ascenseur
EP2390220A1 (fr) 2010-05-28 2011-11-30 Inventio AG Ascenseur doté d'un entraînement à rouleaux et pignons
CN106744144B (zh) * 2016-12-27 2019-05-14 廖忠民 升降设备电磁推动齿条式安全制动装置
CN114314264A (zh) * 2022-01-07 2022-04-12 中国矿业大学 一种可“一井多梯”布置的摩擦爬轨驱动式无绳电梯系统

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10875743B2 (en) 2017-06-16 2020-12-29 Otis Elevator Company Rope-climbing self propelled elevator system
US11434107B2 (en) 2017-06-16 2022-09-06 Otis Elevator Company Rope-climbing self propelled elevator system
DE102022129467A1 (de) 2022-11-08 2023-12-28 Tk Elevator Innovation And Operations Gmbh Aufzugsanlage

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Publication number Publication date
CN102099280A (zh) 2011-06-15
WO2010010023A1 (fr) 2010-01-28
EP2303750A1 (fr) 2011-04-06

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