EP1550630A2 - Aufzug-Elektromotor - Google Patents
Aufzug-Elektromotor Download PDFInfo
- Publication number
- EP1550630A2 EP1550630A2 EP04027095A EP04027095A EP1550630A2 EP 1550630 A2 EP1550630 A2 EP 1550630A2 EP 04027095 A EP04027095 A EP 04027095A EP 04027095 A EP04027095 A EP 04027095A EP 1550630 A2 EP1550630 A2 EP 1550630A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric motor
- stator
- rotor
- shaft
- motor according
- 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
- B66B11/0476—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with friction gear, e.g. belt linking motor to sheave
Definitions
- the present invention relates to an elevator electric motor according to the preamble of claim 1.
- a traction sheave elevator with an elevator car that runs along from Lift guide rails moved, a counterweight that moves along counterweight guide rails, On a set of traction cables to which the elevator car and the counterweight are suspended in the hoistway, and a drive unit, the one with the Drive unit connected and on the elevator ropes acting traction sheave drives, known.
- the Drive unit arranged in a machine room, in the elevator shaft or in the elevator shaft and his shaft wall is arranged.
- Elevator drive positioned next to the carriageway is felt to be detrimental that there provided drive units require a lot of space, so that, for example, with the same car size opposite conventional lifts larger shaft widths and / or Depths are required or additional Shaft wall recesses are necessary. In particular, can this lead to the usual shaft cross-sectional dimensions after ISO 4190-1 can not be met.
- WO 01/27016 A1 is a drive for an elevator with a ropeway car in one vertically extending shaft is movable up and down, and with a traction sheave for the ropes of the car and one parallel to the traction sheave arranged Drive motor known, the drive motor by Transmission belt is connected to a pulley, the is arranged coaxially with the traction sheave.
- the Drive designed so that the drive motor with a provided on the motor shaft acting braking device is.
- a disadvantage of this structure is considered that he builds big.
- the arrangement of Braking device on the motor shaft leads to a very long construction, so that the drive inevitably in the upper or lower area of the shaft in the Projection area of the car must protrude.
- a generic elevator electric motor is finally off DE 102 19 543 A1.
- the in the publication described external rotor motor has a windings carrying laminated core as a stator and an outer rotor on.
- the traction sheave with large axial distance to the stator still behind the Motor rotor mounting arranged on the motor shaft, whereby a relatively large bending load on the stator and the stator carrier acts.
- the present invention seeks to be a small building electric motor for elevator systems to provide in particular in the shaft at any height next to the Lane of the car can be arranged without the Shaft to enlarge, and without additional Shaft wall recesses is feasible.
- the the Electric motor acting bending loads should be as low as possible.
- the elevator electric motor according to the invention is very small, wherein in particular the axial extent of the engine, d. H. the extension in the direction of the motor shaft, minimizable is.
- the shaft extends through an in Stator formed axial opening and is together with the rotor connected to it only supported by the stator.
- the rotor and the driven pulley in the axial direction on opposite sides of the To arrange motor shaft are on the engine or the Motor shaft acting bending moments in an effective manner reducible.
- An external rotor motor is basically cheap Drive lever ratios available, as the effective Drive lever arm in relation to the outer diameter very far out.
- the one-sided attachment of the stator gives a flying attachment of the engine or the counter gear and further leads to a storage of the rotor or the Axially very close to the Statorbefestist possible is, causing unwanted moments, which leads to bends the motor shaft would lead, can be avoided.
- a storage facility the shaft in the axial direction substantially at the height is formed of the stator. Because of the relative low bending load of the elevator electric motor according to the invention Such a storage device can be relatively be small in size, reducing the size of the elevator electric motor can be scaled down and costs saved can be.
- At least one storage device formed between the stator and a hub of the rotor is.
- a first bearing device between the stator and the rotor and a second bearing device between the stator and to provide the shaft can due to the advantageous embodiment of the invention Elevator electric motor can be made relatively small.
- the elevator electric motor according to the invention is the rotor pot-like and in its middle area with a invagination educated.
- motor elements can be positioned, thereby the axial extent of the rotor can be minimized.
- the central region of the indentation as Hub formed on the outside of an area for Recording a storage facility has, as well as a central opening in which the shaft is received.
- the elevator electric motor according to the invention is formed with a removable housing, which surrounds the rotor and the encoder and the stator and / or stator is detachably fastened. It proves according to a further embodiment of the invention as particularly favorable that between the stator and / or Statormik and the housing only a sealing joint is provided. With such a housing, the rotor completely encloses and only one wave output has, is the security of an inventive Elevator electric motor advantageously influenced.
- One Such housing also serves as protection against Pollution.
- it is especially easy Way sealable, making it both as a water protection as can also serve as explosion protection.
- the driven pulley is on one end or arranged on an end region of the shaft. It is according to Another embodiment also conceivable that both ends of the shaft, a driven pulley is arranged.
- the driven pulley can be used in particular as a pulley, Sprocket, brake disc or traction sheave be formed. All of these driven pulleys are according to the invention positioned so that only small bending moments on the Electric motor act. This is the life of a such electric motor in an advantageous manner renewable.
- the shaft protrudes on both sides of the Electric motor from this before.
- this measure is a great flexibility of the engine use available posed.
- the Lift electric motor according to the invention is at a first End of the shaft, which is the second storage is adjacent, in the axial direction in the amount of Stator michs is arranged, a radially loaded Driven or driven wheel arranged, and / or in the area a second end portion of the shaft another Engine component, in particular a pulse generator arranged.
- the inventive design of the shaft are both End portions of the shaft in a very flexible manner with Engine components or output components can be fitted. It is advantageous with the rotor in the form of a pot form in invaginated floor area, since in by the Invagination formed free area e.g. the pulse generator or other engine or drive components can be without increasing the motor length.
- the inverted middle floor area forms the hub of the Rotor, on its inside with the motor shaft rotatably connected and on the outside of the first, bearing arranged between rotor and stator bearing.
- the cumulative axial corresponds Extension of the storage areas of the first and second Bearing on the shaft and the other component, in particular the pulse generator, substantially the width of the rotor. With this dimensioning is a very compact elevator electric motor made available.
- the Electric motor according to the invention a stator, whose Sheets with outwardly open grooves for receiving coils are formed. With this training are ready-made, wound and pressed coils in a simple manner externally mounted on the stator.
- This embodiment will sometimes as a tooth winding technique or as Single tooth winding called.
- the inventive Electric motor is designed with a rotor in the Exterior contains a magnetic return ring, which is equipped on the inside with permanent magnets.
- This return ring can also with inward open Be formed grooves for receiving permanent magnets. This measure can be particularly cost-effective available, rectangular magnets with a bond be held clearly and reliably in their position.
- the electric motor according to the invention with a stator formed in which several or all Coils an electrical phase of a wire endlessly are made, which in particular a cheaper Provision of the engine is supported.
- a single tooth winding For example, every second tooth providable.
- One Such engine can with a very high number of poles be realized, whereby it is characterized by a high Overload capacity.
- the rotor on its outdoor area to provide at least one braking surface, in which case one arranged on the stator or stator carrier braking device interacts with this braking surface to the engine to be able to decelerate or to keep it at a standstill
- the illustrated in Figure 1 preferred embodiment of Lift electric motor according to the invention (in total with 12 designated) has a stator 30 which has a Statorthere or a suspension 32 with a frame 70th an elevator drive 10 is firmly connected.
- the engine 12 may be formed with a detachable housing 12a, which preferably surrounds the motor sealingly.
- a detachable housing 12a which preferably surrounds the motor sealingly.
- only one sealing zone (in Figure 1 and 2 with 12b) formed between the housing 12a and the outside of the stator 30 may be provided. With such a housing or with such a trained sealing zone is a particularly simple, Reliable and reasonably available seal of the Motors 12 against external influences realized.
- sealing zone 12b it is conceivable, between the housing 12a and the stator 32nd to form a sealing zone.
- a sealing zone is in Figure 1 denoted by 12c.
- Electric motor 12 also has a cup-shaped, outside running rotor 34.
- the rotor 34 is provided with a Rotor hub 35 rotatably connected to a motor shaft 13.
- the rotor 34 is provided with one on the outside of the rotor hub 35 arranged bearing 38 rotatably within the stator stored.
- the shaft 13 is via a further engine mount 40th rotatably mounted on the stator. Overall, both the rotor and the motor shaft carried by the stator. Overall, it is in the illustrated here Embodiment to a flying bearing of the motor shaft 13th
- stator 30 is only in the range of one first motor shaft end 13a on the stator support 32nd held, as can be seen in particular in Figure 1.
- stator with the above mentioned Motor shaft bearing 40 is formed.
- forces or Moments effectively compensated as one on the Motor shaft end 13a arranged driven pulley or Traction sheave next to the side next to the Statorarba 32 is arranged.
- a rotary encoder 46 rotatably applied, which, for example, under a Engine control or to determine a car position or -speed can be used.
- molding of the rotor it is in advantageously possible, such a rotary encoder 46th to install on the motor shaft 13, without the axial Total extension of the electric motor to enlarge. It be explicitly reiterated that it would also be possible at the second end 13b of the Motor shaft 13 to provide an output device.
- the stator 30 is equipped with sheets 41, which with are formed outwardly open grooves. In these grooves are coils 42 introduced.
- the sheets of the rotor 34 or the magnetic return ring 39 are on the inside provided with permanent magnets.
- the magnetic Return ring can also be with inwardly open grooves be formed, in which magnets 44 are introduced.
- the drive has as essential components one Electric motor 12 according to the invention, a traction sheave 14, a braking device with a brake disc 16 and Brake calipers 24, 26 and a Riemenvorgelege 18, 20, 21st on.
- the housing of the electric motor 12 is 12a denotes a frame for supporting the traction sheave with 70th
- the Riemenvorgelege has a first, on the motor shaft thirteenth attached to the electric motor pulley 18, a second, attached to the traction sheave 14 pulley 20 and one the pulleys 18, 20 with each other coupling Belt 21 on.
- the belt 21 is preferably as (positively acting) Timing belt formed of the highest strength material.
- Material are, for example, aramid or with Kevlar fibers or strands reinforced plastics prefers.
- they are also non-positively acting Belt, for example V-belt, usable.
- this provides Riemenvorgelege a reduction gear, wherein the Drive torque of the motor 12 expediently to a Factor two to five is reduced. It is too possible, a gear ratio of 1: 1 or one to choose another ratio.
- the motor 12 is (at the shown in Figure 3 Hoistway wall 50) below the traction sheave 14 and the Braking device arranged, and protrudes in its axial Length does not significantly exceed the cumulative width of Traction sheave and braking device addition. Furthermore, the Brake disk 16 of the brake device rotatably with the Traction sheave 14 connected, so that even in case of failure of the There are no safety risks associated with the belt.
- the traction sheave 14 drives, as also in Figure 2 recognize a number of elevator ropes 22.
- FIG. 3 is a sectional view of the drive according to FIG 1 in a defined by the shaft or axle 13 and 15 Level shown.
- the already with reference to Figure 1 or 2 components described are also in Figure 3 represented and each with the same reference numerals Mistake.
- a rotary encoder 46 rotatably applied, which, for example, in the context of a motor control or for determining a car position or speed can be used.
- Rotor 34 and pulley 18th on the shaft 13 are not two-sided, but in axial Direction only provided on one side with bearing means.
- the housing 12a in which the electric motor 12 is located is z. B. on a shaft wall of a hoistway, here denoted by 50, for example by means of a (not fixed) carrier, or on one or several guide rails or on a shaft frame.
- a traction sheave 14 arranged.
- the traction sheave 14 is, for example by means of bolts 62, rotatably with the pulley 20 of the Riemenvorgeleges connected.
- the storage of the traction sheave or the pulley on the axis 15 by means of two camps 64.
- the brake disc 16 is also concentric with the axis 15th rotatably connected to the traction sheave 14. These Attachment is for example by means of bolts 66 accomplished.
- the braking device shown in Figures 2 and 3 is a disc brake with two calipers 24 and 26.
- the Brake disk 16 is by means of brake calipers 24, 26 in acted upon known manner.
- the brake calipers 24, 26 For example, have brake shoes 24a and 24b, which for triggering a braking operation with the brake disk 16 can be brought into operative connection.
- Traction sheave 14 and braking device 24, 26, 16 are over the support assembly 14 a held on a frame 70, the fixed to the housing 12a of the engine 12, for example is connected by screws 73 (see Figure 2), or with the stator support 32nd
- a cover 74 is provided, the one unwanted engagement in the belt drive prevents and the Noise emission of the drive dampens or reduces.
- the belt tension is adjusted by a Adjusting screw 72, with the distance between the axis 15th and the shaft 13 can be changed.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
- Figur 1
- eine seitliche Schnittansicht einer bevorzugten Ausführungsform eines erfindungsgemäßen Elektromotors,
- Figur 2
- eine perspektivische Darstellung einer bevorzugten Verwendung des erfindungsgemäßen Elektromotors gemäß Figur 1 im Rahmen eines Aufzugantriebs, und
- Figur 3
- eine seitliche Schnittansicht des Aufzugantriebs gemäß Figur 2.
Claims (16)
- Aufzug-Elektromotor für einen Aufzugantrieb für Seilaufzüge, deren Fahrkorb über Tragmittel durch eine mit dem Antrieb verbundene Treibscheibe angetrieben wird, mit einem außenlaufenden Rotor (34), einem innen angeordneten Stator (30) und einer sich durch den Elektromotor hindurch in axialer Richtung erstreckenden Welle (13), mit der der Rotor (34) und eine Abtriebsscheibe (18) drehfest gekoppelt sind, wobei der Stator (30) axial einseitig mit einem Statorträger (32) zur axial einseitigen Aufhängung des Aufzug-Elektromotors ausgebildet ist und der Rotor (34) und die Welle (13) mittels wenigstens einer Lagereinrichtung (38, 40) drehbar am Stator (30) gelagert sind,
dadurch gekennzeichnet, dass
in axialer Richtung der Rotor (34) und die Abtriebsscheibe (18) auf entgegengesetzten Seiten des Statorträgers (32) angeordnet sind. - Aufzug-Elektromotor nach Anspruch 1, dadurch gekennzeichnet, dass wenigstens eine der Lagereinrichtungen der Welle (13) in axialer Richtung im Wesentlichen auf der Höhe des Statorträgers (32) vorgesehen ist.
- Aufzug-Elektromotor nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass wenigstens eine der Lagereinrichtungen zwischen dem Stator (30) und einer Nabe des Rotors (34) vorgesehen ist.
- Aufzug-Elektromotor nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass eine erste der Lagereinrichtungen (38) zwischen dem Stator (30) und dem Rotor (34) vorgesehen ist und eine zweite der Lagereinrichtungen (40) zwischen dem Stator (30) und der Welle (13) vorgesehen ist.
- Aufzug-Elektromotor nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Rotor (34) topfartig ausgebildet ist und in seinem Mittelbereich eine Einstülpung (34a, 34b) aufweist, die in ihrer Mitte als Rotornabe (35) ausgebildet ist.
- Aufzug-Elektromotor nach 5, dadurch gekennzeichnet, dass die Rotornabe (35) an ihrer Außenseite zur Aufnahme der Lagereinrichtung (38) ausgebildet ist und eine mittlere Öffnung aufweist, in der die Welle (13) aufgenommen ist.
- Aufzug-Elektromotor nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, dass in der Einstülpung (34a, 34b) des Rotors (34) ein Drehgeber (46) angeordnet ist.
- Aufzug-Elektromotor nach Anspruch 7, dadurch gekennzeichnet, dass er ein abnehmbares Gehäuse (12a) aufweist, welches den Rotor (34) und den Drehgeber (46) umgibt und am Stator (30) und/oder am Statorträger (32) lösbar befestigbar ist.
- Aufzug-Elektromotor nach Anspruch 8, dadurch gekennzeichnet, dass zwischen dem Stator (30) und/oder Statorträger (32) und dem Gehäuse (12a) lediglich eine Dichtfuge (12b, 12c) vorgesehen ist.
- Aufzug-Elektromotor nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Abtriebsscheibe (18) auf einem Ende der Welle (13) angeordnet ist.
- Aufzug-Elektromotor nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass auf beiden Enden (13a, 13b) der Welle eine Abtriebsscheibe (18) angeordnet ist.
- Aufzug-Elektromotor nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Abtriebsscheibe als Riemenscheibe und/oder Kettenrad und/oder Bremsscheibe und/oder Treibscheibe ausgebildet ist.
- Aufzug-Elektromotor nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Welle (13) in axialer Richtung auf beiden Seiten des Elektromotors vorragt.
- Aufzug-Elektromotor nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die kumulierte axiale Erstreckung der Lagereinrichtungen (38, 40) auf der Welle (13) und des Drehgebers in axialer Richtung im Wesentlichen der axialen Länge des Rotors (34) entspricht.
- Aufzug-Elektromotor nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Stator Bleche mit nach außen offenen Nuten zur Aufnahme von Spulen aufweist und/oder der Rotor (34) an seiner Innenseite mit nach innen offenen Nuten zur Aufnahme von Permanentmagneten (44) ausgebildet ist.
- Aufzug-Elektromotor nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass mehrere oder sämtliche Spulen einer elektrischen Phase des Stators (30) aus einem Draht endlos gefertigt sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04027095A EP1550630B1 (de) | 2003-12-23 | 2004-11-15 | Aufzug-Elektromotor |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03029777 | 2003-12-23 | ||
EP03029777 | 2003-12-23 | ||
EP04027095A EP1550630B1 (de) | 2003-12-23 | 2004-11-15 | Aufzug-Elektromotor |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1550630A2 true EP1550630A2 (de) | 2005-07-06 |
EP1550630A3 EP1550630A3 (de) | 2007-01-10 |
EP1550630B1 EP1550630B1 (de) | 2011-08-31 |
Family
ID=35883656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04027095A Not-in-force EP1550630B1 (de) | 2003-12-23 | 2004-11-15 | Aufzug-Elektromotor |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1550630B1 (de) |
AT (1) | ATE522462T1 (de) |
ES (1) | ES2246192T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2810911A1 (de) * | 2013-06-05 | 2014-12-10 | Kone Corporation | Antriebsmaschine für einen Aufzug sowie ein Aufzug |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1017245A (ja) * | 1996-06-28 | 1998-01-20 | Mitsubishi Electric Corp | エレベータ用巻上機 |
JP2001031350A (ja) * | 1999-07-23 | 2001-02-06 | Toshiba Corp | 巻上装置及びエレベータ装置 |
DE19958545C1 (de) * | 1999-12-04 | 2001-04-05 | System Antriebstechnik Dresden | Getriebelose Aufzugsmaschine mit einem Synchron-Außenläufermotor |
WO2001027016A1 (de) * | 1999-10-08 | 2001-04-19 | Osma-Aufzüge Albert Schenk Gmbh & Co. Kg | Antrieb für einen aufzug |
DE10219543A1 (de) * | 2002-05-02 | 2003-12-18 | Ziehl Abegg Ag | Außenläufermotor |
EP1460022A1 (de) * | 2003-03-20 | 2004-09-22 | Inventio Ag | Antriebseinheit für einen aufzug |
EP1505030A1 (de) * | 2003-08-08 | 2005-02-09 | Moteurs Leroy-Somer | Elektrische Maschine, insbesondere für einen Aufzug |
-
2004
- 2004-11-15 ES ES04027095T patent/ES2246192T3/es active Active
- 2004-11-15 AT AT04027095T patent/ATE522462T1/de active
- 2004-11-15 EP EP04027095A patent/EP1550630B1/de not_active Not-in-force
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1017245A (ja) * | 1996-06-28 | 1998-01-20 | Mitsubishi Electric Corp | エレベータ用巻上機 |
JP2001031350A (ja) * | 1999-07-23 | 2001-02-06 | Toshiba Corp | 巻上装置及びエレベータ装置 |
WO2001027016A1 (de) * | 1999-10-08 | 2001-04-19 | Osma-Aufzüge Albert Schenk Gmbh & Co. Kg | Antrieb für einen aufzug |
DE19958545C1 (de) * | 1999-12-04 | 2001-04-05 | System Antriebstechnik Dresden | Getriebelose Aufzugsmaschine mit einem Synchron-Außenläufermotor |
DE10219543A1 (de) * | 2002-05-02 | 2003-12-18 | Ziehl Abegg Ag | Außenläufermotor |
EP1460022A1 (de) * | 2003-03-20 | 2004-09-22 | Inventio Ag | Antriebseinheit für einen aufzug |
EP1505030A1 (de) * | 2003-08-08 | 2005-02-09 | Moteurs Leroy-Somer | Elektrische Maschine, insbesondere für einen Aufzug |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2810911A1 (de) * | 2013-06-05 | 2014-12-10 | Kone Corporation | Antriebsmaschine für einen Aufzug sowie ein Aufzug |
WO2014195573A3 (en) * | 2013-06-05 | 2015-03-05 | Kone Corporation | A drive machine for an elevator and an elevator |
CN105263845B (zh) * | 2013-06-05 | 2017-10-24 | 通力股份公司 | 用于电梯的驱动机和电梯 |
US10252888B2 (en) | 2013-06-05 | 2019-04-09 | Kone Corporation | Drive machine for an elevator and an elevator |
Also Published As
Publication number | Publication date |
---|---|
ATE522462T1 (de) | 2011-09-15 |
ES2246192T1 (es) | 2006-02-16 |
ES2246192T3 (es) | 2012-01-10 |
EP1550630A3 (de) | 2007-01-10 |
EP1550630B1 (de) | 2011-08-31 |
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