EP1918238A1 - Ascenseur doté de deux cabines superposées dans une gaine - Google Patents

Ascenseur doté de deux cabines superposées dans une gaine Download PDF

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Publication number
EP1918238A1
EP1918238A1 EP07119651A EP07119651A EP1918238A1 EP 1918238 A1 EP1918238 A1 EP 1918238A1 EP 07119651 A EP07119651 A EP 07119651A EP 07119651 A EP07119651 A EP 07119651A EP 1918238 A1 EP1918238 A1 EP 1918238A1
Authority
EP
European Patent Office
Prior art keywords
elevator
shaft
elevator according
traction means
car
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.)
Granted
Application number
EP07119651A
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German (de)
English (en)
Other versions
EP1918238B1 (fr
Inventor
Hans Kocher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventio AG
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Inventio AG
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Publication date
Application filed by Inventio AG filed Critical Inventio AG
Priority to EP20070119651 priority Critical patent/EP1918238B1/fr
Publication of EP1918238A1 publication Critical patent/EP1918238A1/fr
Application granted granted Critical
Publication of EP1918238B1 publication Critical patent/EP1918238B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • B66B11/0095—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave where multiple cars drive in the same hoist way

Definitions

  • the invention relates to an elevator with at least two elevator cars located one above the other, which are vertically movable in a shaft. This invention is defined in the preamble of the independent claim.
  • An elevator consists of at least one elevator car, which can be moved vertically in a shaft and picks up passengers to drive them to a desired floor of a building.
  • the elevator usually has at least the following elevator components: a drive, deflection rollers, tension elements, a counterweight, as well as a pair of rails for guiding an elevator car and a counterweight.
  • the drive generates the power required for the transport of the passengers present in the elevator car.
  • an electric motor performs this function.
  • This drives directly or indirectly to a traction sheave, which is in frictional contact with a tension element.
  • the tension member may be a belt or a rope. It is used for suspension and the promotion of the elevator car and the counterweight, which are both suspended so that their gravity act in the opposite direction along the tension element. Accordingly, the resulting gravity, which must be overcome by the drive significantly reduced.
  • the larger Aufliegekraft of the tension element on the traction sheave a larger drive torque from the drive pulley on the Tensile element to be transferred.
  • the tension element is guided by deflection rollers.
  • Out EP 1 489 033 is an elevator with at least two elevator cars located one above the other in the same shaft known.
  • Each elevator car has its own drive and its own counterweight.
  • the drives are arranged close to first and second shaft walls and also the counterweights are each suspended below the associated drive to drive or tethers close to first or second shaft walls.
  • the axes of the traction sheaves of the drives are perpendicular to the first and second shaft walls.
  • the two independently movable lift cabins ensure a high flow rate.
  • the positioning of the drives in the shaft near the first or second walls eliminates the need for a separate machine room and allows a space-saving compact arrangement of the drive elements in the shaft head.
  • the object of the present invention is to further improve the arrangement of elevator components for the vertical movement of several elevator cars in an elevator shaft.
  • the elevator according to the invention has at least two elevator cars located one above the other in a shaft which can be moved vertically and which each have their own drive, their own counterweight and their own traction means, these drives being fixed in the area of the shaft head in such a way as to drive a first shaft wall and another drive is fixed to an opposite second shaft wall, and each have at least one traction sheave.
  • At least one first deflection roller is assigned to a drive and is positioned on a second or first shaft wall opposite this drive above the counterweight assigned to this drive.
  • the traction means is guided by the counterweight on the pulley to the traction sheave and from there to the elevator car.
  • both drives are each assigned a first deflection roller.
  • the advantage of the elevator according to the invention lies in the space-saving arrangement of the drives in the shaft head near the first and second shaft walls.
  • the traction means is performed at the page change in the shaft head above the elevator car from the first side of the shaft to the second side of the shaft between the drive and the first guide pulley in a space not used elsewhere space.
  • the counterweight can be easily hung below the first pulley.
  • a traction means is guided by the drive pulley and the first pulley over the elevator car so that the traction means forms an acute angle with third and fourth shaft walls.
  • This Angle is usually not greater than 20 °.
  • the elevator car is guided by car guide rails and the counterweight can be positioned between car guide rails and third and fourth shaft walls.
  • the advantage of this embodiment of the invention lies in the space-saving arrangement of the counterweights in the shaft between the car guide rails and third and fourth shaft walls.
  • At least one elevator car is suspended as a bottle.
  • the elevator car is suspended as a bottle on second and third pulleys.
  • the traction means is guided between the drive pulley and a first fixed point via second and third deflection rollers.
  • the elevator car is suspended as a top or bottom bottle.
  • the traction means is guided, for example, as a bottom block of the traction sheave on the side of the elevator car down to the second deflection roller. From the second deflection roller then the traction means is guided under the elevator car to the third deflection roller and from there further laterally to the elevator car up to a first fixed point of the traction means.
  • the arrangement of the second and third deflection roller in the case of a top bottle with appropriate guidance of the traction means is guided by the traction sheave along first or second shaft walls to the second deflection roller. From there, the traction means above the elevator car to the third guide roller and finally guided along second or first shaft walls to the first fixed point.
  • the advantage of this embodiment of the invention is that thanks to the suspension of the elevator car as a bottle for the Operation of the elevator smaller traction torques are sufficient and accordingly smaller and more economical drives can be used.
  • Another advantage lies in the space-saving side change of the traction device between the first and second shaft walls of the drive pulley to the first fixed point via a second and third pulley in a different unused space laterally and below the elevator car.
  • the elevator has fourth pulleys on which the counterweight is suspended as a bottle.
  • the traction means is guided from the first guide roller down to the fourth guide roller and from there back up to a second fixed point of the traction means.
  • the fixed points associated with a traction means lie on the same side of the associated elevator car.
  • the advantage of this embodiment of the invention lies in the easier assembly of the fixed points of the traction means. Alone the physical proximity of the two fixed points of the traction device make it easier for the fitter to assemble them. In addition, thanks to the integration of the two fixed points in a component, the number of individual parts of the elevator can be reduced.
  • the traction means is a belt which is guided by the drive pulley and at least first, second, third and fourth pulleys, only one side of the belt is in contact with the drive pulley and pulleys and that the belt between the drive pulley, the pulleys and its fixed points is guided essentially torsion-free.
  • the advantage of this design is the ease of use of belts with one-sided structured surface such as ribs, teeth or wedges. Since the leadership of the traction device is largely torsion-free, the same direction guiding the belt through the traction sheave and the pulleys is possible. As a result, unilateral engagement of the structuring in the traction sheaves and the deflection rollers without rotation of the belt about its longitudinal axis is possible.
  • the belt has two dimensions transverse to the pulling direction, a first dimension with a relatively wide extension and a second dimension with a relatively thin extension. This means that the belt transversely to its pulling direction in its first dimension takes up much more space in the elevator shaft than in its second dimension.
  • the belt takes up minimal space in the shaft space, since the first wide dimension of the belt is parallel to first or second shaft walls and only the short second dimension in the shaft space is perpendicular to first or second shaft walls. Therefore, this arrangement of the elevator with a torsion-free guidance of the belt is particularly space-saving.
  • the belts are subjected to a largely torsion-free guidance smaller frictional forces and shear forces and have a longer lifetime. The elevator is thus also maintenance friendly.
  • the drives are in the region of the shaft head.
  • the drives are mounted at different levels, so that the leadership of the traction means above the elevator car between a traction sheave and an associated first pulley is carried out without conflict.
  • a first drive and its associated first pulley are thereby at a first level and a second drive and its associated first pulley are fixed at a second level which is above or below the first level. Accordingly, the traction means of a first and second elevator car are guided at two different levels.
  • the advantage of this embodiment of the invention lies in the space-saving arrangement of the drives and associated first pulleys.
  • a conflict-free i. ensures contact-free guidance of the traction means above the elevator car.
  • the drives are in the region of the shaft head, wherein the drives are mounted at the same level.
  • the advantage of this embodiment of the invention lies in the space-saving arrangement of the drives and associated first pulleys side by side in the shaft head, whereby a minimum shaft head height is installed.
  • a conflict-free, ie non-contact guidance of the traction means is ensured above the elevator car.
  • first and second drives are fixed on a common carrier.
  • the drives are fixed on a support.
  • the elevator has landing doors and car doors, wherein the shaft doors consist of two sliding elements and the car doors consist of more than two sliding elements.
  • the advantage of this embodiment of the invention is that sufficient space is provided to position the counterweight of an elevator car in the vicinity of first or second shaft walls between the guide rails of the elevator car and third or fourth shaft walls.
  • Figures 1 and 2 show an elevator for at least two elevator cars, each having its own drive A1, A2 and are movable independently of each other in the vertical direction.
  • the drives A1, A2 are positioned in the shaft head above the elevator cars in the vicinity of first and second shaft walls.
  • the first and second shaft walls are those shaft walls opposite each other which have no shaft door.
  • the drives A1, A2 at two different levels, so that the two traction means Z1, Z2, where the Elevator cabs A1, A2 suspended are conflict-free and without mutual contact are feasible.
  • the drives A1, A2 are each mounted on a support whereby extensive freedom in the orientation of the drives A1, A2 are given.
  • the drives A1, A2 are mounted on the same carrier, an upper drive A1 on the upper side of the carrier and a lower drive A2 on the underside of the carrier. This arrangement of the drives A1, A2 is very compact and has the advantage of minimizing space in the shaft head.
  • the drive A1, A2 forms together with a traction sheave 1a, 1b for driving the traction means Z1, Z2 a drive module.
  • the traction sheave 1a, 1b is designed so that it is suitable for receiving one or more traction means Z1, Z2.
  • the traction means Z1, Z2 are preferably belts such as V-ribbed belts with unilateral ribs which engage in one or more pulley-side recesses. Belt variants such as smooth belts and belts toothed on one or both sides with corresponding drive pulleys 2a, 2b are also usable.
  • various types of ropes such as single ropes, double ropes or multiple ropes can be used.
  • the traction means have strands of steel wire gzw. Aramid fiber on.
  • the traction means Z1, Z2 in the figure 1 is configured as a pulley, wherein both at least one elevator car and at least one counterweight is suspended as a bottle.
  • the traction means Z1, Z2 is guided from a first fixed point 13a, 13b to a second fixed point 14a, 14b such that it is deflected by a plurality of deflection rollers 2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b and the traction sheave 1a, 1b in FIG Essentially torsion-free is performed.
  • the traction means Z1, Z2 is thereby guided from a first fixed point 13a, 13b to the first deflecting roller 2a, 2b such that the respective counterweight assigned to an elevator car is suspended on the rollers 3a, 3b as a bottle.
  • the traction means Z1, Z2 thus extends from the first fixed point 13a, 13b along a first or second shaft wall down to the roller 3a, 3b, wraps it from inside to outside at an angle of approximately 180 ° and again leads upwards along a first or second shaft wall to the first deflection roller 2a, 2b.
  • This first deflection roller 2a, 2b lies opposite the associated traction sheave 1a, 1b in the vicinity of second or first shaft walls.
  • the first deflection roller 2a, 2b part of a deflection, which is connected via rigid bar-shaped rods with the drive module and with this one Assembly forms.
  • the advantage of this embodiment is the reduction in the number of components and the associated ease of assembly.
  • the drive and deflection modules can be moved along the connecting rods, so that a flexible length adjustment of the assembly to the real dimensions of the shaft is possible.
  • Another advantage is the modular design of the assembly which allows for convenient maintenance or replacement thereof.
  • the traction means Z1, Z2 is now guided to the traction sheave 1a, 1b along the shaft ceiling and wraps around this traction sheave 1a, 1b from inside to outside in a wrap angle of 90 to 180 °.
  • the traction means Z1, Z2 generated below the traction sheave 1a, 1b with second 4a, 4b and third 5a, 5b pulleys bottle suspension of the elevator car by the traction means Z1, Z2 down from the traction sheave 1a, 1b along first or second shaft walls second deflection rollers 4a, 4b is guided.
  • the traction means Z1, Z2 wraps around the deflection roller 4a, 4b from outside to inside in a wrap angle of about 90 ° and then leads horizontally to the third deflection roller 5a, 5b. Finally, the traction means Z1, Z2, after looping around the third deflection roller 5a, 5b, pass from inside to outside at a wrap angle of approximately 90 ° along first or second shaft walls up to the second fixing point 14a, 14b.
  • a shim 6a, 6b is optional part of the drive module. With this shim 6a, 6b, the wrap angle of the traction means on the traction sheave 1a, 1b can be adjusted, or enlarged or reduced by the desired traction forces of the traction sheave 1a, 1b to the traction means A1, A2 to transfer.
  • the two axes formed by the drives A1, A2 and the deflection rollers 2a, 2b are at an acute angle to third and fourth shaft walls.
  • the third and fourth shaft walls are those walls opposite each other in the shaft which have at least one shaft door 8. This ensures that the associated counterweights 12a, 12b, which are suspended as a bottle at the first fixed point 13a, 13b and the first deflection roller 2a, 2b, are positioned between the car guide rails 10 of the elevator cars 7a, 7b and third and fourth shaft walls.
  • the advantage of such an arrangement of the drive A1, A2 and the deflection roller 2a, 2b lies in the space-saving and easy positioning of the counterweights 12a, 12b.
  • the counterweights 12a, 12b are guided by counterweight guide rails 11a, 11b.
  • Figures 3 and 4 show two variants of the previously described embodiment of the invention.
  • the suspension axles formed by the deflection rollers 4a, 4b and 5a, 5b, on which the elevator car 7a, 7b is suspended, either both in front of the car guide rails 10 or one each before or behind the car guide rails 10.
  • the A person skilled in the art may prefer one or the other solution depending on the space conditions in the shaft, the first-mentioned symmetrical suspension being advantageous with respect to the torque exerted by the elevator car 7a, 7b on the car guide rail 10.
  • the distance from the suspension axis of the elevator car 7a, 7b to the car guide rails 10 is kept minimal, thus reducing the moment, moreover, the two opposing moments partially or completely cancel each other out.
  • the skilled person further variants not shown are available, such as the location of the two suspension axes behind the car guide rails.
  • the space-saving positioning of at least one counterweight 12a, 12b between the car guide rails 10 and a third or fourth shaft wall can be realized thanks to a special arrangement of the car door 9.
  • the elevator cars 7a, 7b are placed flush with the floor at a floor stop and the car doors 9 are opened together with the landing doors 8 to allow the transfer of passengers from the floor to the elevator car 7a, 7b.
  • the car doors 9 open, its sliding elements protrude into the shaft space and occupy a certain otherwise unobstructed shaft space.
  • the car door 9 does not consist of two sliding elements as usual, but of at least four sliding elements, which are telescopically on or extendable, less shaft space is claimed during the opening process of the cabin doors 9. Thanks to the shorter sliding elements, these sliding elements protrude less far into the shaft space when the car door 9 is open, thus keeping more space free for the counterweights 12a, 12b or other items in the shaft, such as electrical installation, sensors, safety device or electrical box.
  • FIGs 5 and 6 show an arrangement with two suspended as a bottle elevator cars 7a, 7b.
  • the upper elevator car 7a is suspended as a top bottle and elevator car 7b as a bottom block.
  • This suspension variant is particularly advantageous when a minimal approach between the elevator cars is desired, for example, when the floor distances are small.
  • both elevator cars 7a, 7b are suspended as upper bottles. This variant is advantageous if the space conditions in the pit are narrow.
  • the upper elevator car 7a with upper bottle can not be pressed by the traction means Z1, Z2 into the shaft head.
  • Figures 7 and 8 show a suspension with a 1: 1 suspension of the upper elevator car 7a.
  • the lower elevator car 7b is suspended according to the invention as a bottle. Depending on the space available in the elevator shaft, the lower elevator car 7b can be suspended as an upper or lower bottle.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
EP20070119651 2006-10-31 2007-10-30 Ascenseur doté de deux cabines superposées dans une gaine Active EP1918238B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20070119651 EP1918238B1 (fr) 2006-10-31 2007-10-30 Ascenseur doté de deux cabines superposées dans une gaine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06123294 2006-10-31
EP20070119651 EP1918238B1 (fr) 2006-10-31 2007-10-30 Ascenseur doté de deux cabines superposées dans une gaine

Publications (2)

Publication Number Publication Date
EP1918238A1 true EP1918238A1 (fr) 2008-05-07
EP1918238B1 EP1918238B1 (fr) 2011-03-09

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EP20070119651 Active EP1918238B1 (fr) 2006-10-31 2007-10-30 Ascenseur doté de deux cabines superposées dans une gaine

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EP (1) EP1918238B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2424806A4 (fr) * 2009-04-29 2015-07-22 Otis Elevator Co Système d'ascenseur comprenant de multiples cabines à l'intérieur d'une cage unique
EP3000759A1 (fr) * 2014-09-25 2016-03-30 Kone Corporation Élévateur
WO2017165847A1 (fr) 2016-03-25 2017-09-28 Smart Lifts, Llc Systèmes de suspension et à moteur de levage destinés à une pluralité de cabines d'ascenseur et de contrepoids qui se déplacent indépendamment les uns des autres dans différentes sections d'une cage d'ascenseur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022119470A1 (de) 2022-08-03 2024-02-08 Tk Elevator Innovation And Operations Gmbh Aufzugsanlage mit zwei übereinander angeordneten Fahrkörben in einem Aufzugschacht

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001335259A (ja) * 2000-05-24 2001-12-04 Hitachi Building Systems Co Ltd 二層形エレベータ
EP1329412A1 (fr) * 2000-10-10 2003-07-23 Mitsubishi Denki Kabushiki Kaisha Dispositif d'ascenseurs
WO2004048244A1 (fr) * 2002-11-26 2004-06-10 Thyssenkrupp Elevator Ag Procede de commande d'un ascenseur et ascenseur permettant de mettre en oeuvre ce procede
WO2006065241A2 (fr) * 2004-12-16 2006-06-22 Otis Elevator Company Systeme d'ascenseur comprenant de multiples cabines dans une gaine
EP1700809A1 (fr) * 2005-03-12 2006-09-13 ThyssenKrupp Aufzugswerke GmbH Système d'ascenseur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001335259A (ja) * 2000-05-24 2001-12-04 Hitachi Building Systems Co Ltd 二層形エレベータ
EP1329412A1 (fr) * 2000-10-10 2003-07-23 Mitsubishi Denki Kabushiki Kaisha Dispositif d'ascenseurs
WO2004048244A1 (fr) * 2002-11-26 2004-06-10 Thyssenkrupp Elevator Ag Procede de commande d'un ascenseur et ascenseur permettant de mettre en oeuvre ce procede
WO2006065241A2 (fr) * 2004-12-16 2006-06-22 Otis Elevator Company Systeme d'ascenseur comprenant de multiples cabines dans une gaine
EP1700809A1 (fr) * 2005-03-12 2006-09-13 ThyssenKrupp Aufzugswerke GmbH Système d'ascenseur

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2424806A4 (fr) * 2009-04-29 2015-07-22 Otis Elevator Co Système d'ascenseur comprenant de multiples cabines à l'intérieur d'une cage unique
EP3000759A1 (fr) * 2014-09-25 2016-03-30 Kone Corporation Élévateur
US9580278B2 (en) 2014-09-25 2017-02-28 Kone Corporation Elevator
WO2017165847A1 (fr) 2016-03-25 2017-09-28 Smart Lifts, Llc Systèmes de suspension et à moteur de levage destinés à une pluralité de cabines d'ascenseur et de contrepoids qui se déplacent indépendamment les uns des autres dans différentes sections d'une cage d'ascenseur
EP3433199A4 (fr) * 2016-03-25 2019-11-27 Smart Lifts, LLC Systèmes de suspension et à moteur de levage destinés à une pluralité de cabines d'ascenseur et de contrepoids qui se déplacent indépendamment les uns des autres dans différentes sections d'une cage d'ascenseur

Also Published As

Publication number Publication date
EP1918238B1 (fr) 2011-03-09

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