EP1607362A1 - Antrieb für eine Aufzugsanlage - Google Patents
Antrieb für eine Aufzugsanlage Download PDFInfo
- Publication number
- EP1607362A1 EP1607362A1 EP05104953A EP05104953A EP1607362A1 EP 1607362 A1 EP1607362 A1 EP 1607362A1 EP 05104953 A EP05104953 A EP 05104953A EP 05104953 A EP05104953 A EP 05104953A EP 1607362 A1 EP1607362 A1 EP 1607362A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- motor
- traction sheave
- air
- shaft
- 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
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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
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
Definitions
- the invention relates to a drive for an elevator installation according to the preamble of the independent claim.
- An elevator system consists of a cabin for the reception of Carriage or persons and a counterweight or one second cabin, which by means of a carrying and propellant connected by a drive.
- the drive The elevator system aims at driving the Treib- and Supporting means and thus a mutual lifting and lowering the cabin, or the counterweight.
- the drive consists of the main components traction sheave, Engine and brake.
- the traction sheave takes the support and Propellant on and transmits by means of molding or frictional engagement Driving forces on the carrying and blowing agents.
- the engine is driving in turn, the traction sheave and the brake slows down the Traction sheave.
- a drive to an elevator is known at which a motor by means of a drive shaft traction sheaves drives and the traction sheaves are braked by a brake.
- the traction sheaves are in a preferred embodiment arranged between the engine and the brake unit.
- the traction sheaves drive flat belts. This allows the use of small pulley diameters. Of the Drive can be made small and compact.
- the invention relates to a drive for an elevator installation, which on a carrying and propellant a cabin and a Counterweight drives and the drive includes a traction sheave, which by means of a drive shaft of a motor driven and braked by a brake, wherein drive shaft, Engine and brake assembled into one unit are.
- an air guide which cool air out the areas of the carrying and propellant, or the traction sheave along the drive shaft passes.
- the stream cooler Air is advantageously generated by a fan. This cools air from the areas of the and propellant, or from the areas of the traction sheave, to Drive shaft and led to the subsequent motor, which on the one hand, a penetration of heated engine air in the Zone of the carrying and blowing agents prevents and at the same time Drive shaft effectively cools.
- the air guide increases the Cooling effect by the air flow on the drive shaft area is directed and by the area of the carrying and blowing agents shielded from warm parts of the engine.
- the carrying and propellants can thereby be operated at lower temperatures be, which is beneficial to their life effect.
- a drive with smaller dimensions be executed because the engine and traction sheave close to each other can be arranged.
- Fig. 1 shows a drive for an elevator installation with the main characteristics of the invention.
- the drive 1 consists of one or more drive pulley zones 3 and a drive pulley zone 3 comprises at least one traction sheave 2.
- the traction sheave 2 serves to receive a carrying and propelling means 6 which connects a car of the elevator installation with a counterweight or a second cabin.
- the traction sheave 2 is integrated in the drive 1 shown in a drive shaft 7.
- a motor 4 which drives the drive shaft 7 is then arranged on the traction sheave 2.
- an air guiding element 11 is arranged, which guides cool air L out of the regions of the carrying and propelling means 6 along the drive shaft 7.
- the air guide element 11 is an air guide plate 9.
- a sheet is suitable for cost-effective production of such a part, it is simply malleable.
- a cooling effect is due to the special shape of the Air guide 11 optimized.
- the air guide element 11 narrows itself, or the free air flow area, in the Direction of the motor 4 continuously to a minimum.
- the air guide 11 is releasably attached to a support 8.
- a support 8 forms a support structure of the drive 1 to which, depending on the embodiment, parts of the drive 1 are arranged. It also allows, for example, the attachment of the drive in the building.
- the support may be an integral part of the motor 4 or the brake 5 or it may be a housing which receives bearings of the drive 1 or the traction sheaves surrounds 2.
- An attachment of the air guide element 11 to the support 8 allows for easy installation and, accordingly, a cost-effective production.
- Other embodiments of the air guide 11 are possible. It may be made of a heat-resistant plastic or other materials, it may be manufactured by means of a casting process or it may be made directly as part of the motor 4, the support 8 or another part of the drive 1.
- a rotor 18 of the motor 4 with longitudinal openings 19 provided, which allow a flow of air L
- the drive 1 is provided with a fan 20, which Forcibly sucking air L out of the space of the traction sheave 2, and through the longitudinal openings 19 in the rotor 18 of the engine 4 leads away over a motor end 21.
- the fan is located at the end of the motor 4.
- This embodiment enhances the cooling effect of the air guide element 11 and performs the heat of the motor 4 effectively.
- Other arrangements of the fan 20 are possible. It can be integrated in a part of the drive 1, such as the motor 4 or the support 8 or it can also be grown as a separate fan unit on the drive 1.
- the drive 1 consists, in a preferred embodiment, of two spaced apart blowing zones 3, wherein a blowing zone 3 may include one or more traction sheaves 2.
- the motor 4 and / or the brake 5 are arranged outside the two blowing zones 3, and a main bearing 25 is arranged between the two blowing zones 3, so that a main supporting force of the load-bearing force generated by the supporting and driving belts 6, essentially, by means of the main bearing 25 is introduced into a support structure.
- the drive can be made compact and inexpensive.
- Flat belt 6 allow the use of small pulley diameters. This can be a Drive 1 with correspondingly high speeds and low Torques are used, which in turn the use of Drives with small dimensions allowed.
- the flat belts are according to the execution of Traction sheave 2 flat, that is smooth, or they have one Longitudinal profiling, for example in the form of V-ribs, on or they have a transverse profile, for example a Tooth shape, on.
- the motor shaft 15, drive shaft 7 and traction sheave 2 are made in one piece.
- the motor shaft 15 and the drive shaft 7 may be made in one piece, or the drive shaft 7 and the traction sheave 2 are made in one piece.
- the production as individual separate parts is of course possible.
- the choice of suitable embodiment is made at the choice of the manufacturer.
- An advantageous embodiment of the drive arranges a level adjustment 28 on the drive 1.
- the level adjustment 28 takes over forces which arise due to unbalanced load-bearing forces. Ideally, this level adjustment 28 is mounted near a support bearing 13.
- the arrangement of the support bearing 13 at the motor end of the drive shaft 7, and the motor shaft 15, allows optimal introduction of supporting forces in the building.
- FIG. 3 shows a drive 1 for an elevator installation with a further advantageous characteristic of the invention.
- the motor 4 of the drive 1 is designed as a transverse flux motor 10, ideally with permanent excitation.
- the transverse flux motor 10 has lower internal losses. He generates accordingly less heat.
- a transverse flux motor 10 has very good torque characteristics, which are especially suitable for use in elevator construction.
- the motor shaft 15 is also designed as a hollow shaft 26.
- the fan 20 is also arranged at the end of the motor 4. On the one hand, the fan draws in air through the optional hollow shaft 26 and, on the other hand, sucks air from the regions of the traction sheave 2 through gaps and optional openings in the rotor 18 and leads the heated air away via the end of the motor 4.
- the advantage of this invention is the low heat development, which additionally reduces the effect of heat on the carrier and propellant 6. Resulting residual heat can be dissipated through the hollow shaft 26 and through the guided by means of the air guide 11 air flow.
- the brake on the engine side end of the drive shaft be arranged.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
- Ein üblicher Motor wie beispielsweise ein Asynchronmotor erzeugt Wärme, welche zumindest teilweise über die Antriebswelle abgeleitet wird. Dadurch erhitzen sich die Treibscheiben stark und dies beeinträchtigt die Lebensdauererwartung üblicher Trag- oder Flachriemen.
- Die Montage und im Besonderen die Ausrichtung der Treibscheibenachse zur Laufrichtung der Trag- und Treibmittel sind aufwändig.
- geringe äussere Abmessungen aufweisen,
- die Wärmeentwicklung im Bereiche der Treibscheiben gering halten,
- Fig. 1:
- Beispiel eines ausgeführten erfindungsgemässen Antriebes
- Fig. 2:
- Beispiel eines eingebauten Luftleitbleches
- Fig. 3:
- Beispiel eines Antriebes mit einem Transversalflussmotor
Die Treibscheibe 2 ist beim gezeigten Antrieb 1 in eine Antriebswelle 7 integriert. Ein Motor 4 welcher die Antriebswelle 7 antreibt ist anschliessend an die Treibscheibe 2 angeordnet.
Im Bereiche zwischen Motor 4 und Treibscheibe 2 ist, wie in Fig. 2 im Detail dargestellt, ein Luftleitelement 11 angeordnet, welches kühle Luft L aus dem Bereiche des Trag- und Treibmittels 6 an der Antriebswelle 7 entlang leitet.
Im ausgeführten Beispiel ist das Luftleitelement 11 an einem Support 8 lösbar befestigt. Ein Support 8 bildet eine Tragstruktur des Antriebes 1 an den je nach Ausführungsart, Teile des Antriebes 1 angeordnet sind. Er ermöglicht beispielsweise auch die Befestigung des Antriebes im Gebäude. Der Support kann dabei ein integrierter Bestandteil des Motors 4 oder der Bremse 5 sein oder er kann ein Gehäuse sein, welches Lagerstellen des Antriebs 1 aufnimmt oder die Treibscheiben 2 umschliesst. Eine Befestigung des Luftleitelementes 11 an dem Support 8 ermöglicht eine einfache Montage und dementsprechend eine kostengünstige Herstellung.
Andere Ausführungen des Luftleitelements 11 sind möglich. Es kann aus einem wärmebeständigen Kunststoff oder anderen Materialien hergestellt sein, es kann mittels eines Giessverfahrens hergestellt sein oder es kann direkt als Teil des Motors 4, des Supports 8 oder eines anderen Teiles des Antriebs 1 ausgeführt sein.
Andere Anordnungen des Ventilators 20 sind möglich. Er kann in einen Teil des Antriebes 1, wie beispielsweise dem Motor 4 oder dem Support 8 integriert sein oder er kann auch als eigene Lüftereinheit am Antrieb 1 angebaut sein.
Damit ist eine direkte und optimale Einleitung der Tragkräfte des Antriebes 1 in eine Tragstruktur ermöglicht. Der Antrieb kann dadurch kompakt gebaut und kostengünstig ausgeführt werden.
Eine vorteilhafte Ausführung des Antriebes ordnet eine Niveaueinstellung 28 an dem Antrieb 1 an. Die Niveaueinstellung 28 übernimmt Kräfte welche durch unsymmetrisch eingeleitete Tragmittelkräfte entstehen. Idealerweise ist diese Niveaueinstellung 28 in der Nähe eines Stützlagers 13 angebracht. Mit der einstellbaren Niveaueinstellung 28 kann ein Antrieb 1 in einfacher Art und Weise nivelliert werden. Eine im Gehäuse des Antriebes 1 angebrachte Wasserwaage 29 vereinfacht dabei die Kontrolle der Einstellung. Die Anordnung des Stützlagers 13 am Motorseitigen Ende der Antriebswelle 7, bzw. der Motorwelle 15, ermöglicht eine optimale Einleitung von Stützkräften in das Gebäude.
Vorteilhaft ist bei dieser Erfindung die geringe Wärmeentwicklung, was die Wärmeeinwirkung auf die Trag- und Treibmittel 6 zusätzlich reduziert. Entstehende Restwärme kann durch die Hohlwelle 26 und durch den mittels des Luftleitelements 11 geleiteten Luftstrom abgeführt werden.
Claims (9)
- Antrieb für eine Aufzugsanlage,
welcher über Trag- und Treibmittel (6) eine Kabine und ein Gegengewicht treibt, wobei der Antrieb (1) eine Antriebswelle (7) und eine Treibscheibe (2) beinhaltet, und ein Motor (4) links oder rechts der Treibscheibe (2) angeordnet ist
dadurch gekennzeichnet, dass im Bereiche zwischen Motor (4) und Treibscheibe (2) ein Luftleitelement (11) angeordnet ist, welches Luft (L) aus dem Bereiche des Trag- und Treibmittels (6) an der Antriebswelle (7) entlang leitet. - Antrieb nach Anspruch 1
dadurch gekennzeichnet, dass der Antrieb (1) mit einem Ventilator (20) versehen ist, welcher Luft (L) aus dem Raum der Treibscheibe (2) ansaugt und vorteilhafterweise über ein Entgegengesetztes Motorende (21) wegführt. - Antrieb nach einem der vorgehenden Ansprüche
dadurch gekennzeichnet, dass das Luftleitelement (11) ein Luftleitblech (9) ist, welches vorzugsweise derart geformt ist, dass die freie Luft-Durchströmfläche zum Motor hin kontinuierlich bis zu einem Minimum abnimmt und das Luftleitelement (11) vorteilhafterweise an einem Support (8) befestigt ist. - Antrieb nach einem der vorgehenden Ansprüche
dadurch gekennzeichnet, dass ein Rotor (18) des Motors (4) mit Längsöffnungen (19) versehen ist, welche ein Durchströmen von Luft (L) ermöglichen. - Antrieb nach einem der vorgehenden Ansprüche
dadurch gekennzeichnet, dass der Antrieb (1) mindestens zwei voneinander beabstandete Treibzonen (3) mit jeweils mindestens einer Treibscheibe (2) enthält und dass ein Hauptlager (25) zwischen den Treibzonen (3) angeordnet ist und dass ein Motor (4) und /oder eine Bremse (5) ausserhalb der beiden Treibzonen (3) angeordnet ist. - Antrieb nach einem der vorgehenden Ansprüche
dadurch gekennzeichnet, dass das Trag- und Treibmittel (6) ein Riemen ist, wobei die Traktionsfläche flach, längsprofiliert oder querprofiliert ist. - Antrieb nach einem der vorgehenden Ansprüche
dadurch gekennzeichnet, dass Motorwelle (15) und Antriebswelle (7) einstückig ausgeführt ist und / oder dass die Treibscheiben (2) und die Antriebswelle (7) einstückig ausgeführt ist. - Antrieb nach einem der vorgehenden Ansprüche
dadurch gekennzeichnet, dass ein Stützlager (13) am motorseitigen Ende der Antriebswelle (7) angeordnet ist und dass an der Antriebsmaschine (1) eine Niveaueinstellung (28) angebracht ist. - Antrieb nach einem der vorgehenden Ansprüche
dadurch gekennzeichnet, dass der Motor (1) ein Transversalflussmotor (10) ist und der Transversalflussmotor (10) eine Motorwelle (15) enthält welche vorzugsweise als Hohlwelle (26) ausgeführt ist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20050104953 EP1607362B1 (de) | 2004-06-19 | 2005-06-07 | Antrieb für eine Aufzugsanlage |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04014440 | 2004-06-19 | ||
| EP04014440 | 2004-06-19 | ||
| EP20050104953 EP1607362B1 (de) | 2004-06-19 | 2005-06-07 | Antrieb für eine Aufzugsanlage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1607362A1 true EP1607362A1 (de) | 2005-12-21 |
| EP1607362B1 EP1607362B1 (de) | 2012-06-06 |
Family
ID=35351842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20050104953 Expired - Lifetime EP1607362B1 (de) | 2004-06-19 | 2005-06-07 | Antrieb für eine Aufzugsanlage |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP1607362B1 (de) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2607637A (en) * | 1943-09-01 | 1952-08-19 | Jeffrey Mfg Co | Cooling means for elevator bearing shafts |
| DE4222094C1 (de) * | 1992-07-06 | 1993-11-18 | Siemag Transplan Gmbh | Treibscheiben-Schachtfördermaschine |
| EP0631969A2 (de) * | 1993-06-28 | 1995-01-04 | Kone Oy | Im Gegengewicht eingebauter Aufzugsmotor |
| DE4323361A1 (de) * | 1993-07-13 | 1995-01-19 | Dewitta Spezialmaschf | Antriebseinrichtung für Hebezeuge, insbesondere für Aufzüge |
| DE4405593C1 (de) * | 1994-02-22 | 1995-07-06 | Gutehoffnungshuette Man | Kühlluftführung für Treibscheiben-Schachtfördermaschinen |
| US20010048253A1 (en) * | 2000-05-15 | 2001-12-06 | Kazuaki Nakamura | Elevator hoist apparatus |
-
2005
- 2005-06-07 EP EP20050104953 patent/EP1607362B1/de not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2607637A (en) * | 1943-09-01 | 1952-08-19 | Jeffrey Mfg Co | Cooling means for elevator bearing shafts |
| DE4222094C1 (de) * | 1992-07-06 | 1993-11-18 | Siemag Transplan Gmbh | Treibscheiben-Schachtfördermaschine |
| EP0631969A2 (de) * | 1993-06-28 | 1995-01-04 | Kone Oy | Im Gegengewicht eingebauter Aufzugsmotor |
| DE4323361A1 (de) * | 1993-07-13 | 1995-01-19 | Dewitta Spezialmaschf | Antriebseinrichtung für Hebezeuge, insbesondere für Aufzüge |
| DE4405593C1 (de) * | 1994-02-22 | 1995-07-06 | Gutehoffnungshuette Man | Kühlluftführung für Treibscheiben-Schachtfördermaschinen |
| US20010048253A1 (en) * | 2000-05-15 | 2001-12-06 | Kazuaki Nakamura | Elevator hoist apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1607362B1 (de) | 2012-06-06 |
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