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EP2928805B1 - Double-decker elevator with adjustable inter-cabin distance - Google Patents

Double-decker elevator with adjustable inter-cabin distance Download PDF

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Publication number
EP2928805B1
EP2928805B1 EP13799272.3A EP13799272A EP2928805B1 EP 2928805 B1 EP2928805 B1 EP 2928805B1 EP 13799272 A EP13799272 A EP 13799272A EP 2928805 B1 EP2928805 B1 EP 2928805B1
Authority
EP
European Patent Office
Prior art keywords
belt
lift
traction means
lift cage
elevator 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.)
Active
Application number
EP13799272.3A
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German (de)
French (fr)
Other versions
EP2928805A1 (en
Inventor
Fuat SEN
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Inventio AG
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Inventio AG
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Publication date
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Priority to EP13799272.3A priority Critical patent/EP2928805B1/en
Publication of EP2928805A1 publication Critical patent/EP2928805A1/en
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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
    • B66B11/02—Cages, i.e. cars
    • B66B11/0206—Car frames
    • B66B11/0213—Car frames for multi-deck cars
    • B66B11/022—Car frames for multi-deck cars with changeable inter-deck distances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
    • B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
    • B66B1/42—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings separate from the main drive
    • B66B1/425—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings separate from the main drive adapted for multi-deck cars in a single car frame
    • 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

Definitions

  • the invention relates to an elevator installation with at least one elevator car carrier which can accommodate two or more elevator cars.
  • the invention relates to the field of elevator systems, which are designed as so-called biplane elevator systems.
  • the known elevator has an elevator car frame in which two elevator cars are arranged vertically one above the other.
  • the two elevator cars are each on a support with guide rollers, which are guided around the guide rollers hoisting.
  • a drive unit is provided on the elevator car frame, around which the hoisting rope is guided.
  • Another double-decker elevator is in WO 2011/073030 A1 described.
  • the mechanism provided for the suspension and adjustment of the elevator cars is distinguished here by the use of belts in comparison with the aforementioned double-decker elevator. Since belts are slim in comparison with a hoist rope in one dimension, much smaller bending radii can be achieved around the guide rollers. Accordingly, the diameter of a guide roller is smaller dimensioned. Overall, this leads to a mechanism that requires less installation space on the cabin frame and allows more freedom of design for the dimensioning of the elevator cars.
  • the belt guide on the elevator car frame for the realization of the suspension of the elevator cars relatively complicated.
  • the many deflections of the belt on the elevator car frame lead in particular to a mechanism comprising many guide rollers.
  • the elevator cars are to be equipped with sub-clamping means in order to prevent jumping of the elevator cage in the elevator cage frame in the event of severe delays, such as, for example, during a buffer drive or during a trapping braking.
  • the object of the invention is to provide an elevator system, which has an improved structure. Specifically, it is an object of the invention to provide an elevator system in which the space remaining for the elevator cars is optimized and in which the mechanism for adjusting the distance between the elevator cars is particularly simple.
  • an elevator installation which has a first elevator car, which is arranged adjustably on the elevator car carrier, and at least one second elevator car, which is arranged on the elevator car carrier.
  • a drive unit which is arranged on the elevator car carrier and at least one traction means are provided.
  • at least the first elevator car can be adjusted by the drive unit by means of the traction means relative to the elevator car carrier.
  • the traction agent preferably forms a closed loop.
  • the closed loop can be realized by means of a traction means designed as an endless loop.
  • the closed loop of the traction means can also be achieved by holding the ends of the traction means in a connecting element.
  • the first elevator car can be suspended and tensioned both on the elevator car carrier by means of the traction means. Therefore, the first elevator car is not only adjustable by the traction means but also firmly connected to the elevator car carrier during an emergency or trapping braking and prevented from jumping. The additional attachment of Unterspannstoffn can thus be omitted.
  • the traction means via a drive roller and at least one guide roller, both of which are arranged on the elevator carrier, is guided.
  • the traction means of the drive roller and the at least one guide roller is particularly easily performed on the elevator car carrier.
  • a guide roller is arranged in a positionally displaceable manner on the elevator car carrier.
  • a voltage of the traction means is adjustable by means of a positional shift of the guide roller.
  • the elevator cage carrier can be arranged in an elevator shaft in an advantageous manner, wherein a drive machine unit is provided which serves to actuate the elevator car carrier.
  • the elevator car carrier can be moved along the intended roadway.
  • the elevator car carrier can be suspended from a traction device connected to the elevator car carrier.
  • the traction means may in this case be guided in a suitable manner via a traction sheave of a drive machine unit.
  • the traction means in addition to the function of transmitting the force or the moment of Drive unit on the elevator car carrier to operate the elevator car carrier, also have the function to carry the elevator car carrier.
  • Actuation of the elevator car carrier here means, in particular, lifting or lowering of the elevator car carrier in the elevator shaft.
  • the elevator car carrier can be guided by one or more guide rails in the elevator shaft.
  • the second elevator car is arranged adjustably on the elevator car carrier, that the second elevator car is adjustable by the drive unit by means of the traction means relative to the elevator car carrier, and that with an adjustment of the first elevator car and the second elevator car relative to the elevator car carrier the first elevator car and the second elevator car are adjustable in mutually opposite Verstellraumen.
  • the traction means by driving the traction means a simultaneous adjustment of the two elevator cars to each other. Since the adjustment directions of the two elevator cars are opposite to each other, the speed of the adjustment movements of the two elevator cars is added to each other with respect to a change in the distance between the two elevator cars.
  • the weight of the first elevator car and the second elevator car is at least partially compensated.
  • a smaller dimensioned drive unit can be used.
  • the first elevator car and the second elevator car are connected to the traction means via a first, preferably, a second retaining element.
  • the holding element may preferably be such that a suspension force of the first or the second elevator car on the traction means is introduced vertically aligned with the traction means on the first preferably on the second holding element.
  • the load of the traction agent is optimal. Accordingly, the life of the traction means is increased.
  • the traction means is designed as a belt.
  • the belt has a first side and a second side facing away from the first side and that the first side serves as a contact side on which the belt is guided around the drive roller of the drive unit and around the guide roller and to which the belt is bent, and that the second side serves as a free back to which the belt is at least substantially not bent.
  • the belt can be configured as a flat belt.
  • the belt is particularly simple and therefore inexpensive to manufacture
  • the belt has at least one longitudinal rib on the contact side.
  • the longitudinal rib may specifically have a V-shaped profile.
  • a plurality of longitudinal ribs are configured on the contact side, which are each configured at least approximately V-shaped.
  • Other embodiments of the profile of the longitudinal rib are possible.
  • the longitudinal rib may have a trapezoidal profile.
  • the belt may have a toothing on the contact surface.
  • the toothing drive power of the drive unit is particularly reliable transferable from the drive roller to the belt. Due to the positive power transmission slippage between the drive roller and the belt is largely prevented.
  • the traction means can also be designed as a rope.
  • the elevator car carrier 2 is suspended in the example shown at a first end of the traction means 8.
  • the traction means 8 is also guided around a traction sheave 9 of a prime mover unit 10.
  • the elevator car carrier 2 is moved upwards or downwards through the driving area.
  • a counterweight 7 is suspended at a second end of the traction means 8.
  • the person skilled in the art can provide a different suspension of the elevator car carrier 2 or of the counterweight 7.
  • elevator car carrier 2 or counterweight 7 can each be suspended from a carrying roller.
  • a first elevator car 11 and a second elevator car 12 are arranged at the elevator car carrier 2.
  • the two elevator cars 11, 12 relative to the elevator car carrier 2 are adjustable.
  • cross members 13, 14, 15 are formed, which are connected to longitudinal members 16, 17 of the elevator car carrier 2.
  • a longitudinal direction 24 of the elevator car carrier 2 is determined.
  • the longitudinal members 16, 17 of the elevator car carrier 2 are in this case aligned along the longitudinal direction 24.
  • the cross members 13 to 15 are arranged perpendicular to the longitudinal direction 24 between the longitudinal members 16, 17.
  • the elevator car carrier 2 is suspended above the cross member 13 at the first end of the traction means 8. Further, a drive unit 18 is attached to the cross member 13. The drive unit 18 is used to drive a belt 19. For this purpose, the belt 19 is guided around a drive roller 20 of the drive unit 18. In addition, the belt 19 is guided over a guide roller 21. This guide roller 21 is attached to the cross member 15. The belt 19 forms a closed loop and extends substantially vertically from the drive roller 20 down to the guide roller 21 and from the guide roller 21 a further time vertically upwards to the drive roller 20 over the entire length of the elevator car carrier 2.
  • the drive and guide rollers 20, 21 aligned parallel to the cross members.
  • the drive and guide rollers 20, 21 are arranged on the cross member 13 and on the cross member 15 so that the belt 19 is guided laterally on the elevator cars 11, 12.
  • the belt 19 may be guided only on the first side 32 serving as the front side 32, wherein the second side 33 serves as a free back 33. Depending on the configuration of the belt 19, a load on the belt 19 can thereby be reduced.
  • the guide roller 21 is positionally displaceable on the elevator car frame 2 or be arranged on the cross member 15. Like in the Fig. 1 indicated is the distance D between the guide roller 21 and the drive roller 20 in a vertical adjustment direction 25 adjustable. By means of the setting of this distance D, the tension of the belt 19 can be adjusted to a certain extent in order to avoid unwanted natural vibrations to a great extent.
  • the adjustment of the voltage depends largely on the cross section used, the length and weight of the belt 19 and the speed of the drive roller 20 and the power transmitted to the belt 19.
  • the first elevator car 11 is suspended from the belt 19 on a first strand 19.1 of the belt 19 by means of a first retaining element 19.11 on the belt 19 and the second elevator car 12 is suspended on a second strand 19.2 of the belt 19 by means of a second retaining element 19.12.
  • the two strands 19.1, 19.2 are moved in a rotational movement of the drive roller 20 in different adjustment directions.
  • the weight forces of the two elevator cars 11, 12 are at least partially compensated. Therefore, in this embodiment, the drive unit 18 may be smaller in size.
  • the Fig. 2 shows the elevator system Fig. 1 as a top view.
  • the elevator installation preferably has a further drive unit 28 with a further belt 29, which is driven by a further drive roller 30 and which is guided by a further guide roller (not shown here).
  • the further drive unit 28 and the associated further drive roller 30 are arranged opposite the drive unit 18 on the cross member 13.
  • the further guide roller is arranged corresponding to the guide roller 21 on the cross member 15.
  • the further belt 29 is guided between the further drive roller 30 and the further guide roller and forms a closed loop.
  • the other leadership role for adjusting the tension of the belt 29 on the elevator car frame 2 or on the cross member 15 is mounted to move.
  • Analogously to the belt 19, the further belt 29 is guided laterally on an opposite side of the first and the second elevator car.
  • the first elevator car 11 is suspended on a first strand 29.11 of the further belt 29 by means of a further first retaining element 29.11 on the further belt 29 and the second elevator car 12 is suspended on a second strand 29.2 of the further belt 29 by means of a further second retaining element 29.12 on the further belt 29.
  • the other first support member 29.11 is obliquely opposite the first support member 19.11 and the other second support member 29.12 is obliquely opposite the second support member 29.12, so that the first elevator car 11 and the second elevator car 12 are suspended symmetrically with respect to their centers of gravity. Accordingly, during an adjustment movement of the elevator cars 11, 12, the further drive roller 30 rotates with respect to the first drive roller 20 in an opposite direction of rotation. This ensures that both belts 19, 29 operate in the same adjustment direction during an adjustment movement of the elevator cars 11, 12.
  • the elevator installation comprises a synchronization unit, not shown, which ensures a synchronous operation of the two drive units 18, 28.
  • the synchronization unit is equipped at least with a microprocessor which drives the two drive units 18, 28.
  • the drive roller 20 and the further drive roller 30 may be driven by a common drive unit.
  • the drive unit has a gear to produce the opposite rotational movement of the drive roller 20 and the further drive roller 30, and one or more drive shafts to overcome the distance between the two drive rollers 20, 30.
  • the drive units 18, 28 and the associated drive rollers 20, 30 on the cross member 15 and the guide rollers 21 on the cross member 13 can be arranged.
  • deviating from two belts 19, 29, only one belt or more than two belts can be used to produce the adjustment movement of the first and the second elevator car 11, 12.
  • the assigned drive rollers, guide rollers or drive units must be adapted accordingly.
  • a respective belt may also be guided by more than one guide roller in order to adapt the belt guide to the given spatial conditions.
  • FIG. 3 and FIG. 4 show a holding member 19.11, 19.12 for the suspension of an elevator car 11, 12 on the belt 19.
  • the holding member 19.11, 19.12 comprises two housing halves 50, 51 which are screwed together, for example by means of at least one screw.
  • the belt 19 may be configured as a toothed belt.
  • Recesses 60 for receiving the toothing 61 of the toothed belt on the holding element 19.11, 19.12 or on a housing half 50 are provided.
  • housing halves 50, 51 as a positive connection between the support member 19.11, 19.12 and the belt 19 can be realized.
  • the belt 19 is clamped between the two housing halves 50, 51.
  • the holding element 19.11, 19.12 comprises two bores 52 which are arranged on the side surfaces of the holding element 19.11, 19.12.
  • the holes 52 are dimensioned so that each a bolt 53 is inserted.
  • the bolts 53 are part of a lifting arm 54, which is attached to an associated elevator car 11, 12.
  • the two holes 52 are preferably located in a plane of symmetry of the belt 19. This ensures that a suspension force G of a respective elevator car 11, 12 at its holding element 19.11, 19.12 is introduced vertically aligned in the belt 19.
  • a holding element 19.11, 19.12 combines the function of the suspension of an elevator car 11, 12 and the function of connecting the two ends of the belt 19 to form a closed loop.
  • the holding element 19.11, 19.12 is therefore also a connecting element.
  • a separate connecting element are provided in addition to the holding elements 19.11, 19.12 .
  • Such a connecting element may analogously to the holding element shown 19.11, 19.12 also consist of two sixteenschraubbaren sections, with which a positive connection between the two ends of the belt 19 and the connecting element can be produced.
  • a belt 19 can be used, which is designed as an endless belt or belt with an endless loop. In such a configuration eliminates a connecting element.
  • Fig. 5 shows a profile of the belt 19 according to a second embodiment in a schematic representation.
  • the belt 19 may be configured as a V-ribbed belt and have a plurality of ribs 70, 71, 72.
  • each of the ribs 70 to 72 may have an approximately V-shaped cross-section.
  • the embodiment with ribs 70 to 72 is provided on the first side 32.
  • the second side 33 is configured flat.
  • the belt 19 is profiled on one side, namely on the first side 32.
  • the first side 32 serves as a contact side.
  • a belt 19 configured as a flat belt 19 it is also possible for a belt 19 configured as a flat belt 19 to be used.
  • the first side 32 is designed flat.
  • the first side 32 is then corresponding to the second side 33, as shown in the Fig. 3 is illustrated designed.
  • a certain surface structure may be provided in order to improve a friction during the interaction with the drive wheel 20 of the drive unit 18.
  • a belt 19 which is designed flat on at least one of its sides 32, 33, the flat side 32, 33 is preferably guided over a cambered roller or the like.
  • the guide surface of the cambered roller is configured convexly curved. Furthermore, the convex guide surface is preferably bounded by lateral shoulders for guiding the belt 19.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Elevator Control (AREA)

Description

Die Erfindung betrifft eine Aufzuganlage mit zumindest einem Aufzugkabinenträger, der zwei oder mehr Aufzugkabinen aufnehmen kann. Speziell betrifft die Erfindung das Gebiet der Aufzuganlagen, die als sogenannte Doppeldecker-Aufzuganlagen ausgestaltet sind.The invention relates to an elevator installation with at least one elevator car carrier which can accommodate two or more elevator cars. Specifically, the invention relates to the field of elevator systems, which are designed as so-called biplane elevator systems.

Aus der JP 2007-331871 A ist ein Doppeldecker-Aufzug bekannt. Der bekannte Aufzug weist einen Aufzugkabinenrahmen auf, in dem zwei Aufzugkabinen vertikal übereinander angeordnet sind. Die beiden Aufzugkabinen stehen jeweils auf einem Träger mit Führungsrollen, wobei um die Führungsrollen Hubseile geführt sind. Außerdem ist an dem Aufzugkabinenrahmen eine Antriebseinheit vorgesehen, um die das Hubseil geführt ist. Durch Betätigen des Hubseils mittels der Antriebseinheit können die so aufgehängten Aufzugkabinen relativ zu dem Aufzugkabinenrahmen angehoben und abgesenkt werden. Hierdurch können die beiden Aufzugkabinen innerhalb des Aufzugkabinenrahmens unterschiedlich positioniert werden.From the JP 2007-331871 A is a double-decker elevator known. The known elevator has an elevator car frame in which two elevator cars are arranged vertically one above the other. The two elevator cars are each on a support with guide rollers, which are guided around the guide rollers hoisting. In addition, a drive unit is provided on the elevator car frame, around which the hoisting rope is guided. By operating the hoisting rope by means of the drive unit, the elevator cars suspended in this way can be raised and lowered relative to the elevator car frame. As a result, the two elevator cars can be positioned differently within the elevator car frame.

Ein weiterer Doppeldecker-Aufzug ist in WO 2011/073030 A1 beschrieben. Der für die Aufhängung und Verstellung der Aufzugkabinen vorgesehene Mechanismus zeichnet sich hier im Vergleich mit dem zuvor genannten Doppeldecker-Aufzug durch den Einsatz von Riemen aus. Da Riemen im Vergleich mit einem Hubseil in einer Dimension schlank ausgebildet sind, können wesentlich kleinere Biegeradien um die Führungsrollen erzielt werden. Entsprechend ist der Durchmesser einer Führungsrolle kleiner dimensionierbar. Dies führt insgesamt zu einem Mechanismus, der weniger Einbauraum am Kabinenrahmen beansprucht und der mehr Gestaltungsspielraum für die Dimensionierung der Aufzugskabinen zulässt.Another double-decker elevator is in WO 2011/073030 A1 described. The mechanism provided for the suspension and adjustment of the elevator cars is distinguished here by the use of belts in comparison with the aforementioned double-decker elevator. Since belts are slim in comparison with a hoist rope in one dimension, much smaller bending radii can be achieved around the guide rollers. Accordingly, the diameter of a guide roller is smaller dimensioned. Overall, this leads to a mechanism that requires less installation space on the cabin frame and allows more freedom of design for the dimensioning of the elevator cars.

Jedoch ist nach WO 2011/073030 A1 die Riemenführung am Aufzugkabinenrahmen zur Realisierung der Aufhängung der Aufzugskabinen relativ kompliziert. Die vielen Umlenkungen des Riemens am Aufzugkabinenrahmen führen insbesondere zu einem viele Führungsrollen umfassenden Mechanismus. Zudem sind die Aufzugkabinen mit Unterspannmitteln auszustatten, um ein Springen der Aufzugskabine im Aufzugkabinenrahmen bei starken Verzögerungen, wie beispielsweise bei einer Pufferfahrt oder bei einer Fangbremsung, zu verhindern.However, it is after WO 2011/073030 A1 the belt guide on the elevator car frame for the realization of the suspension of the elevator cars relatively complicated. The many deflections of the belt on the elevator car frame lead in particular to a mechanism comprising many guide rollers. In addition, the elevator cars are to be equipped with sub-clamping means in order to prevent jumping of the elevator cage in the elevator cage frame in the event of severe delays, such as, for example, during a buffer drive or during a trapping braking.

US 2006 163 006 A offenbart eine Aufzugsanlage gemäß dem Oberbegriff des Anspruchs 1. US 2006 163 006 A discloses an elevator installation according to the preamble of claim 1.

Aufgabe der Erfindung ist es, eine Aufzuganlage zu schaffen, die einen verbesserten Aufbau aufweist. Speziell ist es eine Aufgabe der Erfindung, eine Aufzuganlage zu schaffen, bei der der für die Aufzugkabinen verbleibende Raum optimiert ist und bei der der Mechanismus zum Verstellen der Distanz zwischen den Aufzugkabinen besonders einfach ausgebildet ist.The object of the invention is to provide an elevator system, which has an improved structure. Specifically, it is an object of the invention to provide an elevator system in which the space remaining for the elevator cars is optimized and in which the mechanism for adjusting the distance between the elevator cars is particularly simple.

Die Aufgabe wird durch eine Aufzuganlage, die eine erste Aufzugkabine, die verstellbar an dem Aufzugkabinenträger angeordnet ist und zumindest eine zweite Aufzugkabine, die an dem Aufzugkabinenträger angeordnet ist gelöst. Zudem sind eine Antriebseinheit, die an dem Aufzugkabinenträger angeordnet ist und zumindest ein Traktionsmittel vorgesehen. Dabei ist zumindest die erste Aufzugkabine von der Antriebseinheit mittels des Traktionsmittels relativ zu dem Aufzugkabinenträger verstellbar. Das Traktionsmittel bildet vorzugsweise eine geschlossene Schlaufe.The object is achieved by an elevator installation which has a first elevator car, which is arranged adjustably on the elevator car carrier, and at least one second elevator car, which is arranged on the elevator car carrier. In addition, a drive unit, which is arranged on the elevator car carrier and at least one traction means are provided. In this case, at least the first elevator car can be adjusted by the drive unit by means of the traction means relative to the elevator car carrier. The traction agent preferably forms a closed loop.

Die geschlossene Schlaufe kann mittels eines Traktionsmittels, das als Endlosschlaufe ausgelegt ist, realisiert werden. Alternativ dazu kann die geschlossene Schlaufe des Traktionsmittels auch dadurch erzielt werden, dass die Enden des Traktionsmittels in einem Verbindungselement festgehalten sind.The closed loop can be realized by means of a traction means designed as an endless loop. Alternatively, the closed loop of the traction means can also be achieved by holding the ends of the traction means in a connecting element.

Dank der geschlossenen Schlaufe ist die erste Aufzugkabine mittels des Traktionsmittels sowohl am Aufzugkabinenträger aufhängbar als auch spannbar. Daher ist die erste Aufzugkabine durch das Traktionsmittel nicht nur verstellbar sondern auch bei einer Not- oder Fangbremsung fest mit dem Aufzugkabinenträger verbunden und am Springen gehindert. Das zusätzliche Anbringen von Unterspannmitteln kann somit entfallen.Thanks to the closed loop, the first elevator car can be suspended and tensioned both on the elevator car carrier by means of the traction means. Therefore, the first elevator car is not only adjustable by the traction means but also firmly connected to the elevator car carrier during an emergency or trapping braking and prevented from jumping. The additional attachment of Unterspannmitteln can thus be omitted.

Vorteilhaft ist es, dass das Traktionsmittel über eine Antriebsrolle und mindestens eine Führungsrolle, die beide am Aufzugsträger angeordnet sind, geführt ist. Dabei ist das Traktionsmittel von der Antriebsrolle und der mindestens einen Führungsrolle besonders einfach am Aufzugkabinenträger geführt.It is advantageous that the traction means via a drive roller and at least one guide roller, both of which are arranged on the elevator carrier, is guided. In this case, the traction means of the drive roller and the at least one guide roller is particularly easily performed on the elevator car carrier.

Eine Führungsrolle ist lageverschiebbar am Aufzugskabinenträger angeordnet. Dabei ist mittels einer Lageverschiebung der Führungsrolle eine Spannung des Traktionsmittels einstellbar. Dadurch können ungewünschte Eigenschwingungen des Traktionsmittels minimiert werden, so dass der Fahrkomfort weiter gesteigert und eine einwandfreie Führung des Traktionsmittels gewährleistet werden können.A guide roller is arranged in a positionally displaceable manner on the elevator car carrier. In this case, a voltage of the traction means is adjustable by means of a positional shift of the guide roller. As a result, unwanted natural oscillations of the traction means can be minimized, so that the ride comfort can be further increased and proper guidance of the traction means can be ensured.

Bei der Ausgestaltung der Aufzuganlage kann der Aufzugkabinenträger in vorteilhafter Weise in einem Aufzugschacht angeordnet sein, wobei eine Antriebsmaschineneinheit vorgesehen ist, die zum Betätigen des Aufzugkabinenträgers dient. Dadurch kann der Aufzugkabinenträger entlang der vorgesehenen Fahrbahn verfahren werden. Hierbei kann der Aufzugkabinenträger an einem mit dem Aufzugkabinenträger verbundenen Zugmittel aufgehängt sein. Das Zugmittel kann hierbei in geeigneter Weise über eine Treibscheibe einer Antriebsmaschineneinheit geführt sein. Hierbei kann das Zugmittel neben der Funktion des Übertragens der Kraft oder des Moments der Antriebsmaschineneinheit auf den Aufzugkabinenträger, um den Aufzugkabinenträger zu betätigen, auch die Funktion haben, den Aufzugkabinenträger zu tragen. Unter einer Betätigung des Aufzugkabinenträgers ist hierbei insbesondere ein Heben oder Senken des Aufzugkabinenträgers in dem Aufzugschacht zu verstehen. Dabei kann der Aufzugkabinenträger durch eine oder mehrere Führungsschienen in dem Aufzugschacht geführt sein.In the embodiment of the elevator installation, the elevator cage carrier can be arranged in an elevator shaft in an advantageous manner, wherein a drive machine unit is provided which serves to actuate the elevator car carrier. As a result, the elevator car carrier can be moved along the intended roadway. In this case, the elevator car carrier can be suspended from a traction device connected to the elevator car carrier. The traction means may in this case be guided in a suitable manner via a traction sheave of a drive machine unit. Here, the traction means in addition to the function of transmitting the force or the moment of Drive unit on the elevator car carrier to operate the elevator car carrier, also have the function to carry the elevator car carrier. Actuation of the elevator car carrier here means, in particular, lifting or lowering of the elevator car carrier in the elevator shaft. In this case, the elevator car carrier can be guided by one or more guide rails in the elevator shaft.

Vorteilhaft ist es, dass die zweite Aufzugkabine verstellbar an dem Aufzugkabinenträger angeordnet ist, dass die zweite Aufzugkabine von der Antriebseinheit mittels des Traktionsmittels relativ zu dem Aufzugkabinenträger verstellbar ist und dass bei einer Verstellung der ersten Aufzugkabine und der zweiten Aufzugkabine relativ zu dem Aufzugkabinenträger die erste Aufzugkabine und die zweite Aufzugkabine in zueinander entgegengesetzte Verstellrichtungen verstellbar sind. Somit kann durch Antreiben des Traktionsmittels eine gleichzeitige Verstellung der beiden Aufzugkabinen zueinander erfolgen. Da die Verstellrichtungen der beiden Aufzugkabinen entgegengesetzt zueinander sind, addiert sich die Geschwindigkeit der Verstellbewegungen der beiden Aufzugkabinen in Bezug auf eine Änderung des Abstands der beiden Aufzugkabinen zueinander. Zudem wird die Gewichtskraft der ersten Aufzugkabine und der zweiten Aufzugkabine zumindest teilweise kompensiert. Hierbei kann eine kleiner dimensionierte Antriebseinheit eingesetzt werden.It is advantageous that the second elevator car is arranged adjustably on the elevator car carrier, that the second elevator car is adjustable by the drive unit by means of the traction means relative to the elevator car carrier, and that with an adjustment of the first elevator car and the second elevator car relative to the elevator car carrier the first elevator car and the second elevator car are adjustable in mutually opposite Verstellrichtungen. Thus, by driving the traction means a simultaneous adjustment of the two elevator cars to each other. Since the adjustment directions of the two elevator cars are opposite to each other, the speed of the adjustment movements of the two elevator cars is added to each other with respect to a change in the distance between the two elevator cars. In addition, the weight of the first elevator car and the second elevator car is at least partially compensated. Here, a smaller dimensioned drive unit can be used.

Vorteilhaft ist die erste Aufzugkabine und die zweite Aufzugkabine über ein erstes bezugsweise ein zweites Halteelement mit dem Traktionsmittel verbunden. Das Halteelement kann vorzugsweise so beschaffen sein, dass eine Aufhängungskraft der ersten oder der zweiten Aufzugskabine am Traktionsmittel vertikal fluchtend mit dem Traktionsmittel am ersten bezugsweise am zweiten Halteelement eingeleitet wird. Hiermit ist die Belastung des Traktionsmittels optimal. Entsprechend ist die Lebensdauer des Traktionsmittels erhöht.Advantageously, the first elevator car and the second elevator car are connected to the traction means via a first, preferably, a second retaining element. The holding element may preferably be such that a suspension force of the first or the second elevator car on the traction means is introduced vertically aligned with the traction means on the first preferably on the second holding element. Hereby, the load of the traction agent is optimal. Accordingly, the life of the traction means is increased.

Vorteilhaft ist es, dass das Traktionsmittel als Riemen ausgelegt ist. Insbesondere ist es vorteilhaft, dass der Riemen eine erste Seite und eine von der ersten Seite abgewandte zweite Seite aufweist und dass die erste Seite als Kontaktseite dient, an der der Riemen um die Antriebsrolle der Antriebseinheit und um die Führungsrolle geführt ist und zu der der Riemen gebogen ist, und dass die zweite Seite als freie Rückseite dient, zu der der Riemen zumindest im Wesentlichen nicht gebogen ist. Hierdurch können Gegenbiegungen in dem Riemen zumindest weitgehend vermieden sein.It is advantageous that the traction means is designed as a belt. In particular, it is advantageous that the belt has a first side and a second side facing away from the first side and that the first side serves as a contact side on which the belt is guided around the drive roller of the drive unit and around the guide roller and to which the belt is bent, and that the second side serves as a free back to which the belt is at least substantially not bent. As a result, counterbends in the belt can be at least largely avoided.

Vorteilhaft kann der Riemen als Flachriemen ausgestaltet sein. In dieser Form ist der Riemen besonders einfach gestaltet und dementsprechend günstig herzustellenAdvantageously, the belt can be configured as a flat belt. In this form, the belt is particularly simple and therefore inexpensive to manufacture

Vorteilhaft ist es, dass der Riemen an der Kontaktseite zumindest eine Längsrippe aufweist. Hierbei kann die Längsrippe speziell ein V-förmiges Profil aufweisen. Vorzugsweise sind mehrere Längsrippen an der Kontaktseite ausgestaltet, die jeweils zumindest näherungsweise V-förmig ausgestaltet sind. Auch andere Ausgestaltungen des Profils der Längsrippe sind möglich. Beispielsweise kann die Längsrippe ein trapezförmiges Profil aufweisen. Mittels dieser Längsrippen ist eine hohe Traktion von der Antriebsrolle auf den Riemen übertragbar. Zudem führen die Längsrippen den Riemen zuverlässig an den Antriebs- und Führungsrollen.It is advantageous that the belt has at least one longitudinal rib on the contact side. Here, the longitudinal rib may specifically have a V-shaped profile. Preferably, a plurality of longitudinal ribs are configured on the contact side, which are each configured at least approximately V-shaped. Other embodiments of the profile of the longitudinal rib are possible. For example, the longitudinal rib may have a trapezoidal profile. By means of these longitudinal ribs high traction of the drive roller on the belt is transferable. In addition, the longitudinal ribs reliably guide the belt to the drive and guide rollers.

Alternativ dazu kann der Riemen an der Kontaktfläche eine Verzahnung aufweisen. Mittels der Verzahnung ist die Antriebsleistung der Antriebseinheit besonders zuverlässig von der Antriebsrolle auf den Riemen übertragbar. Durch die formschlüssige Kraftübertragung ist ein Schlupf zwischen der Antriebsrolle und dem Riemen weitgehend verhindert.Alternatively, the belt may have a toothing on the contact surface. By means of the toothing drive power of the drive unit is particularly reliable transferable from the drive roller to the belt. Due to the positive power transmission slippage between the drive roller and the belt is largely prevented.

Schliesslich kann das Traktionsmittel auch als Seil ausgelegt sein.Finally, the traction means can also be designed as a rope.

Die Erfindung wird anhand von Ausführungsbeispielen in der nachfolgenden Beschreibung und anhand der beigefügten Zeichnungen, in denen sich entsprechende Elemente mit übereinstimmenden Bezugszeichen versehen sind, näher erläutert. Es zeigen:

  • Fig. 1 eine Aufzuganlage in einer schematischen Darstellung entsprechend einem ersten Ausführungsbeispiel der Erfindung;
  • Fig. 2 die in Fig. 1 dargestellte Aufzuganlage in einer Draufsicht;
  • Fig. 3 das Profil eines Riemens für eine Aufzuganlage in einer schematischen Darstellung entsprechend einer ersten Ausgestaltung sowie ein Halteelement zum Aufhängen einer Aufzugkabine;
  • Fig. 4 der in Fig. 2 dargestellte Riemen bzw. das Halteelement in einem Aufschnitt; und
  • Fig. 5 das Profil eines Riemens für eine Aufzuganlage in einer schematischen Darstellung entsprechend einer zweiten Ausgestaltung.
  • Fig. 1 zeigt eine Aufzuganlage 1 mit zumindest einem Aufzugkabinenträger 2, der in einem für eine Fahrt des Aufzugkabinenträgers 2 vorgesehenen Fahrraum 3 verfahrbar ist. Beispielsweise kann der Fahrraum 3 in einem Aufzugschacht eines Gebäudes vorgesehen sein.
The invention will be explained in more detail by means of embodiments in the following description and with reference to the accompanying drawings, in which corresponding elements are provided with corresponding reference numerals. Show it:
  • Fig. 1 an elevator system in a schematic representation according to a first embodiment of the invention;
  • Fig. 2 in the Fig. 1 illustrated elevator installation in a plan view;
  • Fig. 3 the profile of a belt for an elevator system in a schematic representation according to a first embodiment and a holding element for suspending an elevator car;
  • Fig. 4 the in Fig. 2 shown belt or the holding element in a cold cut; and
  • Fig. 5 the profile of a belt for an elevator system in a schematic representation according to a second embodiment.
  • Fig. 1 shows an elevator system 1 with at least one elevator car carrier 2, which is movable in a provided for a drive of the elevator car carrier 2 driving space 3. For example, the driving space 3 may be provided in an elevator shaft of a building.

Der Aufzugkabinenträger 2 ist im gezeigten Beispiel an einem ersten Ende des Zugmittels 8 aufgehängt. Das Zugmittel 8 ist außerdem um eine Treibscheibe 9 einer Antriebsmaschineneinheit 10 geführt. Entsprechend einer momentanen Drehrichtung der Treibscheibe 9 wird der Aufzugkabinenträger 2 nach oben oder nach unten durch den Fahrraum verfahren. Schliesslich ist ein Gegengewicht 7 an einem zweiten Ende des Zugmittels 8 aufgehängt. Selbstredend kann der Fachmann eine davon abweichende Aufhängung des Aufzugkabinenträgers 2 bzw. des Gegengewichts 7 vorsehen. So können beispielsweise der Aufzugkabinenträger 2 bzw. das Gegengewicht 7 je an einer Tragrolle aufgehängt sein.The elevator car carrier 2 is suspended in the example shown at a first end of the traction means 8. The traction means 8 is also guided around a traction sheave 9 of a prime mover unit 10. In accordance with a momentary direction of rotation of the traction sheave 9, the elevator car carrier 2 is moved upwards or downwards through the driving area. Finally, a counterweight 7 is suspended at a second end of the traction means 8. Of course, the person skilled in the art can provide a different suspension of the elevator car carrier 2 or of the counterweight 7. For example, elevator car carrier 2 or counterweight 7 can each be suspended from a carrying roller.

An dem Aufzugkabinenträger 2 sind eine erste Aufzugkabine 11 und eine zweite Aufzugkabine 12 angeordnet. Hierbei sind die beiden Aufzugkabinen 11, 12 gegenüber dem Aufzugkabinenträger 2 verstellbar.At the elevator car carrier 2, a first elevator car 11 and a second elevator car 12 are arranged. Here, the two elevator cars 11, 12 relative to the elevator car carrier 2 are adjustable.

An dem Aufzugkabinenträger 2 sind Querträger 13, 14, 15 ausgebildet, die mit Längsträgern 16, 17 des Aufzugkabinenträgers 2 verbunden sind. Entsprechend einer Fahrrichtung 24 ist eine Längsrichtung 24 des Aufzugkabinenträgers 2 bestimmt. Die Längsträger 16, 17 des Aufzugkabinenträgers 2 sind hierbei entlang der Längsrichtung 24 ausgerichtet. Die Querträger 13 bis 15 sind senkrecht zu der Längsrichtung 24 zwischen den Längsträgern 16, 17 angeordnet.On the elevator car carrier 2, cross members 13, 14, 15 are formed, which are connected to longitudinal members 16, 17 of the elevator car carrier 2. Corresponding to a direction of travel 24, a longitudinal direction 24 of the elevator car carrier 2 is determined. The longitudinal members 16, 17 of the elevator car carrier 2 are in this case aligned along the longitudinal direction 24. The cross members 13 to 15 are arranged perpendicular to the longitudinal direction 24 between the longitudinal members 16, 17.

Der Aufzugkabinenträger 2 ist über den Querträger 13 am ersten Ende des Zugmittels 8 aufgehängt. Ferner ist an dem Querträger 13 eine Antriebseinheit 18 angebracht. Die Antriebseinheit 18 dient zum Antreiben eines Riemens 19. Hierfür ist der Riemen 19 um eine Antriebsrolle 20 der Antriebseinheit 18 geführt. Zudem ist der Riemen 19 über eine Führungsrolle 21 geführt. Diese Führungsrolle 21 ist an dem Querträger 15 angebracht. Der Riemen 19 bildet eine geschlossene Schlaufe und erstreckt sich im Wesentlichen von der Antriebsrolle 20 einmal vertikal nach unten bis zur Führungsrolle 21 und von der Führungsrolle 21 ein weiteres Mal vertikal nach oben zur Antriebsrolle 20 über die ganze Länge des Aufzugkabinenträgeres 2. Hierbei ist jeweils eine Drehachse der Antriebs- und Führungsrolle 20, 21 parallel zu den Querträgern ausgerichtet. Die Antriebs- und Führungsrolle 20, 21 sind dermassen am Querträger 13 bzw. am Querträger 15 angeordnet, dass der Riemen 19 seitlich an den Aufzugkabinen 11, 12 geführt ist.The elevator car carrier 2 is suspended above the cross member 13 at the first end of the traction means 8. Further, a drive unit 18 is attached to the cross member 13. The drive unit 18 is used to drive a belt 19. For this purpose, the belt 19 is guided around a drive roller 20 of the drive unit 18. In addition, the belt 19 is guided over a guide roller 21. This guide roller 21 is attached to the cross member 15. The belt 19 forms a closed loop and extends substantially vertically from the drive roller 20 down to the guide roller 21 and from the guide roller 21 a further time vertically upwards to the drive roller 20 over the entire length of the elevator car carrier 2. Here is one each Rotary axis of the drive and guide rollers 20, 21 aligned parallel to the cross members. The drive and guide rollers 20, 21 are arranged on the cross member 13 and on the cross member 15 so that the belt 19 is guided laterally on the elevator cars 11, 12.

Somit kann der Riemen 19 nur an der als Vorderseite 32 dienenden ersten Seite 32 geführt sein, wobei die zweite Seite 33 als freie Rückseite 33 dient. Je nach Ausgestaltung des Riemens 19 kann hierdurch eine Belastung des Riemens 19 verringert werden.Thus, the belt 19 may be guided only on the first side 32 serving as the front side 32, wherein the second side 33 serves as a free back 33. Depending on the configuration of the belt 19, a load on the belt 19 can thereby be reduced.

Die Führungsrolle 21 ist lageverschiebbar am Aufzugskabinenrahmen 2 bzw. am Querträger 15 angeordnet sein. Wie in der Fig. 1 angedeutet ist der Abstand D zwischen der Führungsrolle 21 und der Antriebsrolle 20 in eine vertikale Verstellrichtung 25 einstellbar. Mittels der Einstellung dieses Abstands D kann die Spannung des Riemens 19 auf ein bestimmtes Mass eingestellt werden, um unerwünschte Eigenschwingungen weitgehend zu vermeiden. Die Einstellung der Spannung richtet sich weitgehend nach dem verwendeten Querschnitt, der Länge und dem Eigengewicht des Riemens 19 sowie der Drehzahl der Antriebsrolle 20 und der auf den Riemen 19 übertragenen Leistung.The guide roller 21 is positionally displaceable on the elevator car frame 2 or be arranged on the cross member 15. Like in the Fig. 1 indicated is the distance D between the guide roller 21 and the drive roller 20 in a vertical adjustment direction 25 adjustable. By means of the setting of this distance D, the tension of the belt 19 can be adjusted to a certain extent in order to avoid unwanted natural vibrations to a great extent. The adjustment of the voltage depends largely on the cross section used, the length and weight of the belt 19 and the speed of the drive roller 20 and the power transmitted to the belt 19.

Die erste Aufzugkabine 11 ist an einem ersten Strang 19.1 des Riemens 19 mittels eines ersten Halteelements 19.11 am Riemen 19 und die zweite Aufzugkabine 12 an einem zweiten Strang 19.2 des Riemens 19 mittels eines zweiten Halteelements 19.12 am Riemen 19 aufgehängt. Hierbei liegen die beiden Stränge 19.1, 19.2 auf unterschiedlichen Seiten bezüglich der Antriebsrolle 20. Entsprechend werden die beiden Aufzugkabinen 11, 12 bei einer Rotationsbewegung der Antriebsrolle 20 in unterschiedliche Verstellrichtungen bewegt. Zudem werden die Gewichtskräfte der beiden Aufzugkabinen 11, 12 zumindest teilweise ausgeglichen. Daher kann bei dieser Ausgestaltung die Antriebseinheit 18 kleiner dimensioniert sein.The first elevator car 11 is suspended from the belt 19 on a first strand 19.1 of the belt 19 by means of a first retaining element 19.11 on the belt 19 and the second elevator car 12 is suspended on a second strand 19.2 of the belt 19 by means of a second retaining element 19.12. Here are the two strands 19.1, 19.2 on different sides with respect to the drive roller 20. Accordingly, the two elevator cars 11, 12 are moved in a rotational movement of the drive roller 20 in different adjustment directions. In addition, the weight forces of the two elevator cars 11, 12 are at least partially compensated. Therefore, in this embodiment, the drive unit 18 may be smaller in size.

Die Fig. 2 zeigt die Aufzuganlage aus Fig. 1 als Draufsicht. Vorzugsweise verfügt die Aufzuganlage über eine weitere Antriebseinheit 28 mit einem weiteren Riemen 29, der von einer weiteren Antriebsrolle 30 angetrieben und der von einer weiteren hier nicht gezeigten Führungsrolle geführt ist. Die weitere Antriebseinheit 28 sowie die zugeordnete weitere Antriebsrolle 30 sind gegenüber von der Antriebseinheit 18 am Querträger 13 angeordnet. Die weitere Führungsrolle ist entsprechend gegenüber der Führungsrolle 21 am Querträger 15 angeordnet. Analog zum Riemen 19 ist der weitere Riemen 29 zwischen der weiteren Antriebsrolle 30 und der weiteren Führungsrolle geführt und bildet eine geschlossene Schlaufe. Auch hier ist die weitere Führungsrolle für eine Einstellung der Spannung des Riemens 29 am Aufzugkabinenrahmen 2 bzw. am Querträger 15 lagerverschiebbar montiert. Analog zum Riemen 19 ist der weitere Riemen 29 auf einer gegenüberliegenden Seite der ersten und der zweiten Aufzugkabine seitlich geführt.The Fig. 2 shows the elevator system Fig. 1 as a top view. The elevator installation preferably has a further drive unit 28 with a further belt 29, which is driven by a further drive roller 30 and which is guided by a further guide roller (not shown here). The further drive unit 28 and the associated further drive roller 30 are arranged opposite the drive unit 18 on the cross member 13. The further guide roller is arranged corresponding to the guide roller 21 on the cross member 15. Analogously to the belt 19, the further belt 29 is guided between the further drive roller 30 and the further guide roller and forms a closed loop. Again, the other leadership role for adjusting the tension of the belt 29 on the elevator car frame 2 or on the cross member 15 is mounted to move. Analogously to the belt 19, the further belt 29 is guided laterally on an opposite side of the first and the second elevator car.

Die erste Aufzugkabine 11 ist an einem ersten Strang 29.11 des weiteren Riemens 29 mittels eines weiteren ersten Halteelements 29.11 am weiteren Riemen 29 und die zweite Aufzugkabine 12 an einem zweiten Strang 29.2 des weiteren Riemens 29 mittels eines weiteren zweiten Halteelements 29.12 am weiteren Riemen 29 aufgehängt. Hierbei liegen die beiden Stränge 29.1, 29.2 auf unterschiedlichen Seiten bezüglich der weiteren Antriebsrolle 30. Das weitere erste Halteelement 29.11 liegt schräg gegenüber des ersten Halteelements 19.11 und das weitere zweite Halteelement 29.12 liegt schräg gegenüber des zweiten Halteelements 29.12, so dass die erste Aufzugkabine 11 und die zweite Aufzugkabine 12 bezüglich ihrer Schwerpunkte symmetrisch aufgehängt sind. Entsprechend dreht bei einer Verstellbewegung der Aufzugkabinen 11, 12 die weitere Antriebsrolle 30 bezüglich der ersten Antriebsrolle 20 in eine entgegengesetzte Drehrichtung. Somit ist sichergestellt, dass bei einer Verstellbewegung der Aufzugkabinen 11, 12 beide Riemen 19, 29 in dieselbe Verstellrichtung arbeiten.The first elevator car 11 is suspended on a first strand 29.11 of the further belt 29 by means of a further first retaining element 29.11 on the further belt 29 and the second elevator car 12 is suspended on a second strand 29.2 of the further belt 29 by means of a further second retaining element 29.12 on the further belt 29. Here are the two strands 29.1, 29.2 on different sides with respect to the other drive roller 30. The other first support member 29.11 is obliquely opposite the first support member 19.11 and the other second support member 29.12 is obliquely opposite the second support member 29.12, so that the first elevator car 11 and the second elevator car 12 are suspended symmetrically with respect to their centers of gravity. Accordingly, during an adjustment movement of the elevator cars 11, 12, the further drive roller 30 rotates with respect to the first drive roller 20 in an opposite direction of rotation. This ensures that both belts 19, 29 operate in the same adjustment direction during an adjustment movement of the elevator cars 11, 12.

Desweiteren umfasst die Aufzugsanlage über eine nicht gezeigte Synchronisierungseinheit, die ein synchrones Arbeiten der beiden Antriebseinheiten 18, 28 sicherstellt. Dazu ist die Synchronisierungseinheit zumindest mit einem Mikroprozessor ausgestattet, die die beiden Antriebseinheiten 18, 28 ansteuert.Furthermore, the elevator installation comprises a synchronization unit, not shown, which ensures a synchronous operation of the two drive units 18, 28. For this purpose, the synchronization unit is equipped at least with a microprocessor which drives the two drive units 18, 28.

Alternativ können die Antriebsrolle 20 und die weitere Antriebsrolle 30 von einer gemeinsamen Antriebseinheit angetrieben sein. Bei einer solchen Ausgestaltung verfügt die Antriebseinheit über ein Getriebe, um die gegensinnige Drehbewegung der Antriebsrolle 20 und der weiteren Antriebsrolle 30 zu erzeugen, sowie über eine oder mehrere Antriebswellen, um die Distanz zwischen den beiden Antriebsrollen 20, 30 zu überwinden.Alternatively, the drive roller 20 and the further drive roller 30 may be driven by a common drive unit. In such an embodiment, the drive unit has a gear to produce the opposite rotational movement of the drive roller 20 and the further drive roller 30, and one or more drive shafts to overcome the distance between the two drive rollers 20, 30.

Selbstredend ist auch eine Ausgestaltung möglich, in der die jeweiligen Halteelemente 19.11, 29.11 und 19.12, 29.12 auf derselben Seite bezüglich der Querträger 13, 14, 15 liegen. Hierbei kann beispielsweise in der letztgenannten Ausgestaltung mit nur einer Antriebseinheit auf ein Getriebe zur Erzielung der gegensinnigen Drehbewegungen der Antriebsrolle 20 und der weiteren Antriebsrolle 30 verzichtet werden.Of course, a configuration is possible in which the respective holding elements 19.11, 29.11 and 19.12, 29.12 on the same side with respect to the cross member 13, 14, 15 lie. In this case, for example, in the last-mentioned embodiment with only one drive unit, it is possible to dispense with a transmission to achieve the opposite rotational movements of the drive roller 20 and the further drive roller 30.

In einer weiteren möglichen Ausgestaltung sind die Antriebseinheiten 18, 28 sowie die zugeordneten Antriebsrollen 20, 30 auf dem Querträger 15 und die Führungsrollen 21 auf dem Querträger 13 anordenbar.In a further possible embodiment, the drive units 18, 28 and the associated drive rollers 20, 30 on the cross member 15 and the guide rollers 21 on the cross member 13 can be arranged.

In einer noch weiteren möglichen Ausgestaltung sind abweichend von zwei Riemen 19, 29 auch nur ein Riemen oder mehr als zwei Riemen zur Erzeugung der Verstellbewegung der ersten und der zweiten Aufzugkabine 11, 12 einsetzbar. Die zugeordneten Antriebsrollen, Führungsrollen oder Antriebseinheiten sind entsprechend anzupassen. Zudem kann ein jeweiliger Riemen auch von mehr als nur einer Führungsrolle geführt sein, um die Riemenführung den gegebenen räumlichen Voraussetzungen anzupassen.In a still further possible embodiment, deviating from two belts 19, 29, only one belt or more than two belts can be used to produce the adjustment movement of the first and the second elevator car 11, 12. The assigned drive rollers, guide rollers or drive units must be adapted accordingly. In addition, a respective belt may also be guided by more than one guide roller in order to adapt the belt guide to the given spatial conditions.

Fig. 3 und Fig. 4 zeigen ein Halteelement 19.11, 19.12 für die Aufhängung einer Aufzugkabine 11, 12 am Riemen 19. Das Halteelement 19.11, 19.12 umfasst zwei Gehäusehälften 50, 51, die beispielsweise mittels mindestens einer Schraubverbindung zusammenschraubbar sind. Gemäss Fig. 3 kann der Riemen 19 als Zahnriemen ausgestaltet sein. In dieser Ausgestaltung sind Aussparungen 60 zur Aufnahme der Verzahnung 61 des Zahnriemens am Halteelement 19.11, 19.12 bzw. an einer Gehäusehälfte 50 vorgesehen. Bei zusammengeschraubten Gehäusehälften 50, 51 ist so eine formschlüssige Verbindung zwischen dem Halteelement 19.11, 19.12 und dem Riemen 19 realisierbar. Dabei wird der Riemen 19 zwischen die beiden Gehäusehälften 50, 51 geklemmt. FIG. 3 and FIG. 4 show a holding member 19.11, 19.12 for the suspension of an elevator car 11, 12 on the belt 19. The holding member 19.11, 19.12 comprises two housing halves 50, 51 which are screwed together, for example by means of at least one screw. According to Fig. 3 The belt 19 may be configured as a toothed belt. In this embodiment are Recesses 60 for receiving the toothing 61 of the toothed belt on the holding element 19.11, 19.12 or on a housing half 50 are provided. When screwed together housing halves 50, 51 as a positive connection between the support member 19.11, 19.12 and the belt 19 can be realized. In this case, the belt 19 is clamped between the two housing halves 50, 51.

Desweiteren umfasst das Halteelement 19.11, 19.12 über zwei Bohrungen 52, die an den Seitenflächen des Halteelements 19.11, 19.12 angeordnet sind. Die Bohrungen 52 sind so dimensioniert, dass je ein Bolzen 53 einführbar ist. Die Bolzen 53 sind Teil eines Hebearms 54, der an einer zugeordneten Aufzugkabine 11, 12 befestigt ist. Die beiden Bohrungen 52 liegen vorzugsweise in einer Symmetrieebene des Riemens 19. Damit ist gewährleistet, dass eine Aufhängungskraft G einer jeweiligen Aufzugkabine 11, 12 an seinem Halteelement 19.11, 19.12 vertikal fluchtend in den Riemen 19 eingeleitet ist.Furthermore, the holding element 19.11, 19.12 comprises two bores 52 which are arranged on the side surfaces of the holding element 19.11, 19.12. The holes 52 are dimensioned so that each a bolt 53 is inserted. The bolts 53 are part of a lifting arm 54, which is attached to an associated elevator car 11, 12. The two holes 52 are preferably located in a plane of symmetry of the belt 19. This ensures that a suspension force G of a respective elevator car 11, 12 at its holding element 19.11, 19.12 is introduced vertically aligned in the belt 19.

In einer besonders bevorzugten Ausgestaltung der Aufzugsanlage vereint ein Halteelement 19.11, 19.12 die Funktion der Aufhängung einer Aufzugskabine 11, 12 sowie die Funktion des Verbindens der beiden Enden des Riemens 19 zu einer geschlossenen Schlaufe. Das Halteelement 19.11, 19.12 ist hier also auch ein Verbindungselement. Selbstredend kann zusätzlich zu den Halteelementen 19.11, 19.12 ein separates Verbindungselement vorgesehen sind. Ein solches Verbindungselement kann analog zum gezeigten Halteelement 19.11, 19.12 ebenfalls aus zwei zusammenschraubbaren Teilstücken bestehen, mit denen eine formschlüssige Verbindung zwischen den beiden Enden des Riemens 19 und dem Verbindungselement herstellbar ist.In a particularly preferred embodiment of the elevator installation, a holding element 19.11, 19.12 combines the function of the suspension of an elevator car 11, 12 and the function of connecting the two ends of the belt 19 to form a closed loop. The holding element 19.11, 19.12 is therefore also a connecting element. Of course, in addition to the holding elements 19.11, 19.12 a separate connecting element are provided. Such a connecting element may analogously to the holding element shown 19.11, 19.12 also consist of two zusammenschraubbaren sections, with which a positive connection between the two ends of the belt 19 and the connecting element can be produced.

Alternativ dazu ist auch ein Riemen 19 einsetzbar, der als Endlosriemen bzw. Riemen mit einer Endlosschlaufe ausgelegt ist. Bei einer solchen Ausgestaltung entfällt ein Verbindungselement.Alternatively, a belt 19 can be used, which is designed as an endless belt or belt with an endless loop. In such a configuration eliminates a connecting element.

Fig. 5 zeigt ein Profil des Riemens 19 entsprechend einer zweiten Ausgestaltung in einer schematischen Darstellung. Der Riemen 19 kann als Keilrippenriemen ausgestaltet sein und mehrere Rippen 70, 71, 72 aufweisen. Hierbei kann jede der Rippen 70 bis 72 einen näherungsweise V-förmigen Querschnitt aufweisen. In diesem Ausführungsbeispiel ist an der ersten Seite 32 die Ausgestaltung mit Rippen 70 bis 72 vorgesehen. Die zweite Seite 33 ist flach ausgestaltet. Somit ist der Riemen 19 einseitig profiliert, nämlich an der ersten Seite 32. Die erste Seite 32 dient hierbei als Kontaktseite. Fig. 5 shows a profile of the belt 19 according to a second embodiment in a schematic representation. The belt 19 may be configured as a V-ribbed belt and have a plurality of ribs 70, 71, 72. Here, each of the ribs 70 to 72 may have an approximately V-shaped cross-section. In this embodiment, the embodiment with ribs 70 to 72 is provided on the first side 32. The second side 33 is configured flat. Thus, the belt 19 is profiled on one side, namely on the first side 32. The first side 32 serves as a contact side.

Außerdem ist es auch möglich, dass ein als Flachriemen 19 ausgestalteter Riemen 19 zum Einsatz kommt. Bei solch einem Flachriemen 19 ist auch die erste Seite 32 flach ausgestaltet. Hierbei ist die erste Seite 32 dann entsprechend der zweiten Seite 33, wie sie in der Fig. 3 veranschaulicht ist, ausgestaltet. Hierbei kann allerdings eine gewisse Oberflächenstruktur vorgesehen sein, um eine Reibung beim Zusammenwirken mit dem Antriebsrad 20 der Antriebseinheit 18 zu verbessern.Moreover, it is also possible for a belt 19 configured as a flat belt 19 to be used. In such a flat belt 19 and the first side 32 is designed flat. Here, the first side 32 is then corresponding to the second side 33, as shown in the Fig. 3 is illustrated designed. In this case, however, a certain surface structure may be provided in order to improve a friction during the interaction with the drive wheel 20 of the drive unit 18.

Bei einem Riemen 19, der an zumindest einer seiner Seiten 32, 33 flach ausgestaltet ist, wird die flache Seite 32, 33 vorzugsweise über eine bombierten Rolle oder dergleichen geführt. Die Führungsfläche der bombierten Rolle ist hierbei konvex gebogen ausgestaltet. Ferner ist die konvexe Führungsfläche vorzugsweise durch seitliche Schultern zur Führung des Riemens 19 begrenzt.In a belt 19, which is designed flat on at least one of its sides 32, 33, the flat side 32, 33 is preferably guided over a cambered roller or the like. The guide surface of the cambered roller is configured convexly curved. Furthermore, the convex guide surface is preferably bounded by lateral shoulders for guiding the belt 19.

Alternativ kann anstatt eines Riemens 19 auch ein Seil verwendet werden.Alternatively, instead of a belt 19 and a rope can be used.

Die Erfindung ist nicht auf die beschriebenen Ausführungsbeispiele beschränkt.The invention is not limited to the described embodiments.

Claims (12)

  1. Lift installation (1) with at least one lift cage carrier (2), which is movable in a travel space (3) provided for travel of the lift cage carrier (2), a first lift cage (11) adjustably arranged at the lift cage carrier (2), at least one second lift cage (12) arranged at the lift cage carrier (2), a drive unit (18) arranged at the lift cage carrier (2), and at least one traction means (19), wherein at least the first lift cage (11) is adjustable relative to the lift cage carrier (2) by the drive unit (18) by way of the traction means (19), the traction means (19) forms a closed loop and the traction means (19) is guided over a drive roller (20) and at least one guide roller (21), which are both arranged at the lift cage carrier (2), characterised in that a guide roller is arranged at the lift cage carrier (2) to be displaceable in position, wherein a tension of the traction means (19) is settable by way of displacement of the position of the guide roller (21).
  2. Lift installation according to claim 1, characterised in that the second lift cage (12) is adjustably arranged at the lift cage carrier (2), the second lift cage (12) is adjustable relative to the lift cage carrier (2) by the drive unit (18) by way of the traction means (19) and the first lift cage (11) and the second lift cage (12) are adjustable oppositely to one another when the first lift cage (11) and the second lift cage (12) are adjusted relative to the lift cage carrier (2).
  3. Lift installation (1) according to claim 1 or 2, characterised in that the traction means (19) is formed as an endless loop.
  4. Lift installation (1) according to claim 1 or 2, characterised in that the ends of the traction means (19) are fixed in a connecting element (19.11, 19.12).
  5. Lift installation (1) according to claim 1, characterised in that the first lift cage (11) is connected with the traction means (19) by way of a first holding element (19.11, 19.12).
  6. Lift installation (1) according to claim 5, characterised in that the suspension force of the first lift cage (11) at the traction means (19) is introduced in vertical alignment with the traction means (19) at the first holding element (19.11, 19.12).
  7. Lift installation (1) according to claim 2, characterised in that the second lift cage (11) is connected with the traction means (19) by way of a second holding element (19.11, 19.12).
  8. Lift installation (1) according to claim 7, characterised in that the suspension force of the second lift cage (11) at the traction means (19) is introduced in vertical alignment with the traction means (19) at the second holding element (19.11, 19.12).
  9. Lift installation according to claim 1, characterised in that the traction means (19) is formed as a belt, wherein the belt (19) has a first side (32) and a second side (33) remote from the first side (32) and that the first side (32) serves as a contact side (32) at which the belt (19) is guided around the drive roller (20) of the drive unit (18) and around the guide roller (21) and that the second side (33) serves as a free rear side (33).
  10. Lift installation according to claim 9, characterised in that the belt (19) has a toothing at the contact side (32).
  11. Lift installation according to claim 9, characterised in that the belt (19) has at least one longitudinal rib (70, 71, 72) with a V-shaped profile at the contact side (32).
  12. Lift installation according to claim 9, characterised in that the belt (19) is formed as a flat belt (19).
EP13799272.3A 2012-12-10 2013-11-29 Double-decker elevator with adjustable inter-cabin distance Active EP2928805B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13799272.3A EP2928805B1 (en) 2012-12-10 2013-11-29 Double-decker elevator with adjustable inter-cabin distance

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12196306 2012-12-10
EP13799272.3A EP2928805B1 (en) 2012-12-10 2013-11-29 Double-decker elevator with adjustable inter-cabin distance
PCT/EP2013/075074 WO2014090600A1 (en) 2012-12-10 2013-11-29 Double-decker lift with adjustable inter-car spacing

Publications (2)

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EP2928805A1 EP2928805A1 (en) 2015-10-14
EP2928805B1 true EP2928805B1 (en) 2017-01-11

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US (1) US9643818B2 (en)
EP (1) EP2928805B1 (en)
CN (1) CN104837759B (en)
WO (1) WO2014090600A1 (en)

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JP6137226B2 (en) * 2015-03-10 2017-05-31 村田機械株式会社 Lifting conveyor
CN110997543B (en) * 2017-08-17 2022-04-15 因温特奥股份公司 Elevator system
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CN114829285B (en) * 2019-12-19 2025-04-11 因温特奥股份公司 Drive system for an elevator installation, elevator installation and method for mounting a drive on a supporting element of an elevator installation

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WO2014090600A1 (en) 2014-06-19
US20150314990A1 (en) 2015-11-05
EP2928805A1 (en) 2015-10-14
CN104837759A (en) 2015-08-12
US9643818B2 (en) 2017-05-09
CN104837759B (en) 2016-11-02

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