EP4344430B1 - Système d'ascenseur sans salle des machines - Google Patents

Système d'ascenseur sans salle des machines Download PDF

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Publication number
EP4344430B1
EP4344430B1 EP22726055.1A EP22726055A EP4344430B1 EP 4344430 B1 EP4344430 B1 EP 4344430B1 EP 22726055 A EP22726055 A EP 22726055A EP 4344430 B1 EP4344430 B1 EP 4344430B1
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EP
European Patent Office
Prior art keywords
machine room
elevator
carrying
cabin
strands
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.)
Active
Application number
EP22726055.1A
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German (de)
English (en)
Other versions
EP4344430C0 (fr
EP4344430A1 (fr
Inventor
Meik Schröder
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Individual
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Individual
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Publication of EP4344430C0 publication Critical patent/EP4344430C0/fr
Publication of EP4344430B1 publication Critical patent/EP4344430B1/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
    • B66B11/0035—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
    • 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
    • B66B11/0085—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave of rucksack elevators

Definitions

  • FIG.7 An embodiment of a state-of-the-art very frequently used machine room-less elevator system is described in Fig.7 shown (not part of the invention).
  • This arrangement of the guide rails requires a lot of space in the elevator shaft, since on one side the guide rail is located between the elevator car and the counterweight and on the other side the guide rail is located between the elevator car and the shaft wall.
  • the aim of the invention is to develop an elevator system that is as compact as possible and that requires as little space as possible in the elevator shaft in both the horizontal and vertical directions in order to achieve the most efficient use of the shaft space possible.
  • a suspension should be achieved that enables very good travel behavior.
  • the object is achieved by a machine room-less elevator system according to the features of claim 1.
  • Advantageous embodiments of the method are specified in the subclaims.
  • the machine room-less elevator system consists of an elevator car that is guided on one side in guide rails and to which a drive system is attached. At least one guided counterweight is also arranged on the same side of the car guide rails.
  • the drive system consists of at least one drive motor and a drive body. Drive bodies, for example drive shafts or drive pulleys, are either integrated into the elevator machine or are driven by it.
  • the suspension elements are guided in two strands via at least one drive body of the drive system attached to the elevator car. This enables both a central arrangement of the drive on the elevator car and a central suspension of the elevator car in two strands of suspension elements. Each strand of suspension element transmits in particular a part of the total force transmitted.
  • the two strands of suspension elements can be guided separately from one another and in particular at a distance from one another.
  • the drive is designed in such a way that the course of the two suspension element strands leads next to the counterweight and the counterweight is located between the two strands of suspension elements running in the shaft.
  • With a centric suspension the forces are introduced symmetrically in relation to the center of gravity of the elevator car, so that a torque load on the car as a result of these forces is avoided.
  • the two suspension elements are connected to a tension weight. This applies to the suspension elements that are guided over at least one drive body and is particularly useful if they are not connected to the counterweight. This can influence the traction behavior and thus also the number of suspension elements required.
  • the elevator car is located between the suspension elements, which are guided under the elevator car by the drive body and pulleys.
  • the ends of the suspension elements are directly or indirectly attached to two sides of the building structure.
  • Several pulleys are arranged in the elevator shaft to guide the suspension elements. Due to the central suspension of the elevator car, the forces in the guide rails are very low during travel.
  • the ratio of the drive speed to the elevator car speed is 1:1.
  • Fig.5 shows a simplified top view of an embodiment with the ratio of the drive speed to the elevator car speed of 2:1.
  • the first suspension element strand ends 16 are firmly attached to the elevator car 1.
  • the two suspension element strands 8 run over the deflection rollers 14 that are firmly attached to the building structure at the top of the elevator shaft, directly or indirectly.
  • the suspension element strands 8 then run downwards again and are guided by the drive body 7 and the deflection rollers 9 under the elevator car 1 to the opposite side of the elevator car 1.
  • the suspension element strands 8 run upwards again and lead back down over the deflection rollers 10 that are firmly attached directly or indirectly in the elevator shaft. They then lead over the counterweight deflection rollers 4, from where they run upwards again and are guided back down to the counterweight 2 over the deflection rollers 15 that are firmly attached in the elevator shaft, where the second suspension element strand ends 17 are firmly attached.
  • Fig.7 shows a simplified top view of a frequently used prior art elevator system (not part of the invention), with an elevator car 21, under which two deflection rollers 29 are mounted and which is guided in car guide rails 31, the car guide rails 31 being arranged on two sides of the elevator car 21, and a drive system 48 which is arranged in the elevator shaft above the counterweight 22.
  • the counterweight 22 is guided in counterweight guide rails 51 and provided with a deflection roller 41.
  • a suspension element strand 28 runs from the fixed point 61 downwards to the elevator car 21 and is guided via the deflection rollers 29 to the opposite side, then back up via the drive pulley 35 and then back down to the counterweight 22, from where it is guided by the deflection roller 41 back up to the fixed point 71.
  • Fig.8 shows a simplified plan view of a similar design as in Fig.1 , with the difference that in addition to the support strands 8, further support strands 20 are used.
  • the support strands 8 are used for traction and the support strands 20 for weight compensation.
  • 2 tension weights 19 are arranged at the bottom of the shaft.
  • the first support strand ends 11 of the support strands 8 used for traction are firmly attached to the building structure directly or indirectly. From there, the two support strands 8 run over the drive body 7 and the deflection pulleys 9 under the elevator car 1 and then run downwards to the tension weights 19, to which the second support strand ends 12 are firmly attached.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Claims (16)

  1. Système d'ascenseur sans salle des machines, comprenant
    • une cabine d'ascenseur (1) qui est guidée dans des rails de guidage de cabine (3), les rails de guidage de cabine (3) étant disposés sur un côté de la cabine d'ascenseur (1),
    • au moins un contrepoids (2), qui est disposé du même côté de la cabine d'ascenseur (1) que les rails de guidage de cabine (3),
    • un système d'entraînement (13), lequel possède au moins un moteur d'entraînement (6) et au moins un corps propulseur (7),
    • un ou plusieurs moyens porteurs destinés à transmettre une force du système d'entraînement (13),
    • les moyens porteurs étant guidés dans deux brins de moyens porteurs (8) au-dessus de l'au moins un corps propulseur (7), caractérisé en ce que
    • le système d'entraînement (13) est monté sur la cabine d'ascenseur (1) et il est conçu de telle sorte que le tracé des deux brins de moyens porteurs (8) mène à côté du contrepoids (2) et que les deux brins de moyens porteurs (8) suivent un tracé vers le haut ou vers le bas sur le côté du rail de guidage en venant de l'au moins un corps propulseur (7), et
    • le contrepoids (2) se trouve entre les deux brins de moyens porteurs (8) qui suivent un tracé dans la cage.
  2. Système d'ascenseur sans salle des machines selon la revendication 1, caractérisé en ce que les moyens porteurs relient la cabine d'ascenseur (1) et le contrepoids (2).
  3. Système d'ascenseur sans salle des machines selon la revendication 1, caractérisé en ce qu'il existe au moins un brin de moyens porteurs supplémentaire (20), qui relie la cabine d'ascenseur (1) au contrepoids (2).
  4. Système d'ascenseur sans salle des machines selon la revendication 3, caractérisé en ce que les deux brins de moyens porteurs (8) sont reliés par un poids tendeur (19).
  5. Système d'ascenseur sans salle des machines selon l'une des revendications 1 à 4, caractérisé en ce que les deux brins de moyens porteurs (8) possèdent respectivement une portion qui suit un tracé vers le haut ou vers le bas sur le côté de la cabine d'ascenseur (1) opposé aux rails de guidage de cabine (3), ces portions étant disposées à une distance l'une de l'autre qui correspond à au moins 50 % d'une largeur que présente la cabine d'ascenseur sur le côté opposé aux rails de guidage de cabine (3).
  6. Système d'ascenseur sans salle des machines selon l'une des revendications 1 à 5, caractérisé en ce que le système d'entraînement (13) est disposé sous la cabine d'ascenseur (1).
  7. Système d'ascenseur sans salle des machines selon l'une des revendications 1 à 5, caractérisé en ce que le système d'entraînement (13) est disposé au-dessus de la cabine d'ascenseur (1).
  8. Système d'ascenseur sans salle des machines selon l'une des revendications 1 à 7, caractérisé en ce que les brins de moyens porteurs (8) sont disposés des deux côtés à l'extérieur sur le système d'entraînement (13) et le moteur d'entraînement se trouve entre les brins de moyens porteurs (8).
  9. Système d'ascenseur sans salle des machines selon l'une des revendications 1 à 8, caractérisé en ce que l'au moins un corps propulseur (7) possède un axe de rotation disposé horizontalement.
  10. Système d'ascenseur sans salle des machines selon la revendication 9, caractérisé en ce que l'axe de rotation est orienté parallèlement à un plan dans lequel se déplace le contrepoids (2).
  11. Système d'ascenseur sans salle des machines selon l'une des revendications 1 à 10, caractérisé en ce que la cabine d'ascenseur (1) possède une structure porteuse comportant un élément porteur horizontal et un élément porteur vertical, une longueur de l'un élément porteur horizontal et/ou de l'un élément porteur vertical étant réglable.
  12. Système d'ascenseur sans salle des machines selon l'une des revendications 1 à 11, caractérisé en ce que les deux brins de moyens porteurs (8) et/ou l'au moins un brin de moyens porteurs supplémentaire (20) sont en forme de bande.
  13. Système d'ascenseur sans salle des machines selon l'une des revendications 1 à 12, caractérisé en ce que les deux brins de moyens porteurs (8) et/ou l'au moins un brin de moyens porteurs supplémentaire (20) possèdent respectivement deux éléments de brin de moyens porteurs ou plus qui sont déviés séparément.
  14. Système d'ascenseur sans salle des machines selon l'une des revendications 1 à 13, caractérisé en ce qu'il existe deux poulies de renvoi successives avec des axes de renvoi non parallèles, par le biais desquelles l'un des deux brins de moyens porteurs (8) et/ou l'au moins un brin de moyens porteurs supplémentaire (20) est dévié, les deux poulies de renvoi présentant une distance entre elles qui correspond au moins à une longueur du côté le plus court de la cabine d'ascenseur (1).
  15. Système d'ascenseur sans salle des machines selon la revendication 14, caractérisé en ce qu'une portion du brin de moyens porteurs (8, 20) concerné qui suit un tracé entre les deux poulies de renvoi est disposée orthogonalement aux deux axes de renvoi.
  16. Système d'ascenseur sans salle des machines selon l'une des revendications 1 à 15, caractérisé en ce que les deux brins de moyens porteurs (8) sont guidés de telle sorte qu'ils s'enroulent à plus de 90° autour de l'au moins un corps propulseur (7).
EP22726055.1A 2021-08-06 2022-04-27 Système d'ascenseur sans salle des machines Active EP4344430B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021004070.8A DE102021004070A1 (de) 2021-08-06 2021-08-06 Maschinenraumloses Aufzugssystem
PCT/EP2022/061228 WO2023011771A1 (fr) 2021-08-06 2022-04-27 Système de levage sans salle des machines

Publications (3)

Publication Number Publication Date
EP4344430A1 EP4344430A1 (fr) 2024-04-03
EP4344430C0 EP4344430C0 (fr) 2024-07-03
EP4344430B1 true EP4344430B1 (fr) 2024-07-03

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EP22726055.1A Active EP4344430B1 (fr) 2021-08-06 2022-04-27 Système d'ascenseur sans salle des machines

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EP (1) EP4344430B1 (fr)
DE (1) DE102021004070A1 (fr)
WO (1) WO2023011771A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202019101607U1 (de) * 2019-03-20 2020-05-08 Wittur Holding Gmbh Aufzug für besonders kleine Aufzugsschächte

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0905081B1 (fr) * 1997-09-26 2003-01-08 Kabushiki Kaisha Toshiba Emplacement de machinerie dans une cage d'ascenseur
JP4262796B2 (ja) * 1998-03-04 2009-05-13 東芝エレベータ株式会社 エレベータのかご吊り構造
JP4190641B2 (ja) * 1999-02-10 2008-12-03 三菱電機株式会社 エレベーター装置
JP2004504997A (ja) 2000-07-29 2004-02-19 アルファ　ゲトリーベバウ　ゲゼルシャフト　ミット　ベシュレンクテル　ハフツング エレベータケージ内に組込まれた駆動プーリ式駆動機械を備えたエレベータケージ
DE102006005948A1 (de) 2006-02-09 2007-10-18 Aufzugteile Bt Gmbh Maschinenraumloser Treibkörperaufzug

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202019101607U1 (de) * 2019-03-20 2020-05-08 Wittur Holding Gmbh Aufzug für besonders kleine Aufzugsschächte

Also Published As

Publication number Publication date
DE102021004070A1 (de) 2023-02-09
WO2023011771A1 (fr) 2023-02-09
EP4344430C0 (fr) 2024-07-03
EP4344430A1 (fr) 2024-04-03

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