EP1218280B1 - Antrieb für einen aufzug - Google Patents
Antrieb für einen aufzug Download PDFInfo
- Publication number
- EP1218280B1 EP1218280B1 EP99974106A EP99974106A EP1218280B1 EP 1218280 B1 EP1218280 B1 EP 1218280B1 EP 99974106 A EP99974106 A EP 99974106A EP 99974106 A EP99974106 A EP 99974106A EP 1218280 B1 EP1218280 B1 EP 1218280B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- accordance
- motor
- shaft
- wheel
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
-
- 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 invention relates to a drive for an elevator with a Rope-held car according to the preamble of claim 1.
- a braking device which the car at least if the power supply fails before a crash preserved.
- a braking device on the belt or Act traction sheave via a brake disc arranged coaxially to these allow. Since such drives are preferably in the respective elevator shaft are integrated, the spatial conditions are limited.
- the Drive and pulley are usually as a flat package on a shaft wall arranged such that at least in the extreme position of the car partly lying next to this.
- the additional attachment of a braking device brings with it considerable space problems, which usually only have one hydraulic, very small braking device can be solved, however brings a cost disadvantage.
- WO 98/50299 shows an elevator with one on the motor shaft of the car acting braking device. This can be done manually from the floor be solved. However, this requires access from the floor is still possible, which can be difficult or even impossible in the event of a fire.
- the drive with the braking device is often also at the top Floor, so that an access route to manual release of the brake especially is long and in the event of major accidents, such as fires that spread over extend over several floors, is no longer accessible.
- the invention is based on the problem, such disadvantages of a generic To avoid elevator.
- the emergency power supply which is an uninterruptible one if the main voltage fails Guaranteed power supply to the braking device can on a hand lever or the like.
- To release the brake in case of failure of the Main power supply can be dispensed with.
- an electromagnetic release of the brake can also take place in this state, whereby the construction effort is reduced.
- the car from an easily accessible place off by electromagnetic release of the brake from a possibly between to take the floor position to an exit position, to enable people to be evacuated.
- Even several can Remote triggers can be provided to release the brakes.
- the difficult one Accessibility of a machine room above, for example Lift shaft housed hand lever, which was previously used to solve the Braking was required.
- Decoupling is achieved by assigning the braking device to the drive motor drive and pulley on the one hand and the braking device on the other hand achieved.
- the drive motor can be arranged so that it is spaced from the shaft area covered by the car, so that the spatial conditions for a brake are more favorable here.
- Themaschineund Pulley arrangement can be kept very flat because an additional brake disc, which would be mounted coaxially to these, is unnecessary is. In particular, no brake cylinders o. Like. Be arranged.
- a particularly compact design can be achieved if the as Disc or drum brake trained and acting on the motor shaft Braking device between the drive motor and one anyway whose ventilation fan wheel is arranged. This can then at the same time both the drive motor and the one heated by current flow Apply cooling air to the braking device.
- the design simplified by the displacement of the braking device The drive wheel enables the pulley to be made in one piece with the hub of the To connect the driving wheel and the traction sheave, which is subject to high wear flanged to it so that it can be easily replaced can.
- the drive wheel then essentially comprises only these two components.
- the elevator designated overall by 1, has a vertical shaft 2 for moving a car 3 up and down on.
- a drive 5 is provided which has a drive wheel 6 and a drive wheel thereon acting drive motor 7 comprises.
- the connection between driving wheel 6 and drive motor 7 is made via at least one belt 8, the present one is designed as a V-ribbed flat belt and both drive and Can transmit braking forces.
- the drive wheel 6 comprises a pulley 9, which run over from the belt 8 is, and a traction sheave 10, the ropes 11 for mounting and drive of the car 3 carries.
- the drive motor 7 is overall via a rocker 12 on a cantilever part 35 of the support frame 13, which on its main part 34 the bearing of the axis of rotation 14 of the drive wheel 6 carries and via brackets 15th is arranged on the elevator shaft 2, pivotable in the area of a coaxial to Shaft 16 of the drive motor 7 extending axis of rotation 17 is supported.
- the Swing arm 12 is acted upon by a tension spring 18 with a force which Driving belt 8 tensions.
- hydraulic or other clamping elements are also considered. Except over the rocker 12 and its mounting on the support frame 13 requires the drive motor 7 no further holder, in particular no direct holder on the walls of the elevator shaft 2.
- the drive 5 can in total above an upper door fighter profile 36 Well head 4 or in the well bottom area 39 (FIG. 10) below one lower door frame 38 can be held in a niche.
- a maintenance account to drive 5 is possible through an opening to the outside for maintenance to realize from the outside.
- the drive motor 7 is assigned a braking device 20, which acts on the motor shaft 16 acts.
- the braking device 20 can be used as a drum or Disc brake be formed.
- a brake disc 21 is provided, which has friction surfaces 22 as engagement surfaces is provided for brake shoes 40, 41, 42.
- the brake shoes 40, 41 are on the one hand arranged the brake disc 21 and form part of a movable armature disc out.
- the brake disc 21 is axially opposite the motor shaft 16 displaced.
- opposite brake shoes 42 serve against Drive motor 7 stationary abutment 42, here a motor flange.
- the braking device 20 comprises two independently controllable Coils 26, 43, which are individually operated by electromagnetic actuation Current flow can be applied. They are in a de-energized state Brake shoes 40, 41 through the springs 25 on the friction surfaces 22 of the brake disc 21 pressed, whereby the axially displaceable brake disc 21 on the opposite side is pressed against the motor flange 42. Thereby the rotation of the motor shaft 16 is inhibited. To release the brake shoes 40, 41 electrical energy is necessary, which is transmitted through the coils 26 and 43 conducted current flow a magnetic core 27 against the force of Spring 25 moves outward and thus releases the brake shoes 40 and 41.
- the braking device 20 is overall on the so-called B-side of the drive motor 7 arranged and temporarily stored a fan wheel 28 and the drive motor 7 between the fan wheel 28 and the braking device 20 can additionally a hollow shaft encoder 44 can be arranged to regulate the engine speed.
- the braking device 20 can then be shared by a housing cap 29 be overlapped with the fan wheel 28.
- This version is manufacturing technology particularly simple, since only the motor shaft 16 and the overarching Housing cap 29 are to be enlarged in terms of their dimensions.
- the Brake device 20 can then as a whole as a modular unit on the motor shaft 16 can be postponed. This simplifies assembly.
- the drive wheel 6 is designed such that the pulley 9, on the Edge area of the drive belt 8 is held in one piece with the hub 30 of the Driving wheel 6 is formed. As a result, this component can be combined in one Be poured piece.
- the drive pulley 10 is in the region of a shoulder 31 on the pulley 9 attached and flanged there by means of bolts or the like. With a connection The traction sheave 10 can be easily detached via several bolts, which can be easily replaced as a wearing part.
- the invention is a shift of the braking device 20 from Driving wheel 6 to the drive motor 7 reached, which also in the event of a tearing Drive belt 8 is unproblematic in terms of safety, since new ones Regulate the cars both above and above a fall protection also have to have down. Even when the car is lightly loaded, with a person, for example, by the force of the counterweight the car does not fall upwards.
- a fully electromagnetic braking device 20 can be used become.
- a hydraulic braking device with the resulting increased costs can also be used, but is not required.
- a conventional asynchronous motor can be used as the drive motor 7 only needs to be equipped with an extended motor shaft 16.
- a Retensioning the belt 8 is not necessary.
- This is a reinforced V-ribbed flat belt trained and therefore also for the transmission of braking forces suitable.
- the drive 5 is aligned in the shaft so that the Axis of rotation 14 of the drive wheel 6 in the guide plane 32, which is between extends vertical guide rails 33 for the car 3, lies.
- the motor shaft 16 lies parallel to the doors blocking the shaft access.
- the drive motor 7 is in a pocket above the upper door fighter profile 36 or arranged below the lower door frame 38 to save space.
- the Driving wheel speed is reduced compared to the engine speed, especially in Ratio approx. 1:10. Due to the ropes, the driving wheel speed is opposite Movement of the car translated in a ratio of 2: 1 or 1: 1.
- the drive belt 8 can (not shown) from two or more of each other independent, parallel running belt.
- a safety interrogation device can be provided which, if one of the Partial belt, for example a tear, triggers a braking or an interruption in the voltage supply to the motor 7.
Description
- Fig. 1
- einen Längsschnitt durch einen Schachtkopf bei Anordnung des Treibrades und des Antriebsmotors des erfindungsgemäßen Antriebs im Schachtkopfbereich,
- Fig. 2
- den erfindungsgemäßen Antrieb in vom Schacht aus gesehener Vorderansicht,
- Fig. 3
- den Antrieb nach Fig. 2 in Draufsicht,
- Fig. 4
- eine teilweise aufgeschnittene Darstellung des Motors und der angesetzten Bremsvorrichtung sowie des Lüfterrades,
- Fig. 5
- eine ähnliche Ansicht wie Fig. 4 bei aufgeschnittenem gegenüberliegenden Gehäuseteil,
- Fig. 6
- eine Detailansicht der auf die Motorwelle aufzusetzenden Bremsvorrichtung,
- Fig. 7
- eine teilweise aufgeschnittene Draufsicht auf das Treibrad mit der Riemenscheibe und der angeflanschten Treibscheibe.
- Fig. 8
- einen Schnitt entlang der Linie VIII-VIII in Fig. 1,
- Fig. 9
- einen Schnitt entlang der Linie IX-IX in Fig. 1,
- Fig. 10
- den Schachtgrundbereich eines Aufzugs mit unten angeordnetem Antrieb.
Claims (18)
- Antrieb (5) für einen Aufzug (1) mit einem an Seilen gehaltenen Fahrkorb (3), der in einem sich vertikal erstreckenden Schacht (2) auf und ab verfahrbar ist, sowie mit einer Treibscheibe (10) für die Seile des Fahrkorbs (3) und einem zur Treibscheibe (10) parallelachsig angeordneten Antriebsmotor (7), wobei der Antriebsmotor (7) durch einen Treibriemen (8) mit einer Riemenscheibe (9) verbunden ist, die koaxial zur Treibscheibe (10) angeordnet ist, wobei der Antriebsmotor (7) mit einer auf die Motorwelle (16) einwirkenden Bremsvorrichtung (20) versehen ist, gekennzeichnet durch eine Notstromversorgung, die bei Ausfall der Hauptspannung eine unterbrechungsfreie Spannungsversorgung der Bremsvorrichtung (20) gewährleistet und deren elektromagnetische Lösung über ein oder mehrere von der Bremsvorrichtung entfernt liegende Betätigungselemente ermöglicht.
- Antrieb nach Anspruch 1, dadurch gekennzeichnet, daß die Bremsvorrichtung (20) zwei unabhängig voneinander ansteuerbare und im spannungslosen Zustand eine Rotationsbewegung der Motorwelle (16) hemmende Bremsen (23;24) umfaßt, die einzeln über elektrische Betätigung lösbar sind.
- Antrieb nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Bremsvorrichtung (20) axial an den Antriebsmotor (7) anschließt und zwischen diesem und einem ebenfalls der Antriebswelle zugeordneten Lüfterrad (28) gehalten ist.
- Antrieb nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Bremsvorrichtung (20) als Scheibenbremse ausgebildet ist.
- Antrieb nach einem der Ansprüche 1 bis 4, gekennzeichnet durch einen zur Bremsmomentübertragung verstärkten Keilrippenriemen (8).
- Antrieb nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß zur Ausbildung eines Treibrades (6) die Riemenscheibe (9) mit dessen Nabe (30) einstückig ausgebildet ist und die Treibscheibe (10) hieran angeflanscht ist.
- Antrieb nach Anspruch 6, dadurch gekennzeichnet, daß die Treibscheibe (10) mit mehreren Bolzen an dem Treibrad (6) gehalten ist und als Verschleißteil von diesem lösbar ist.
- Antrieb nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß zwischen Bremsvorrichtung (20) und Lüfterrad (28) ein Hohlwellengeber (44) zur Motorregelung angeordnet ist.
- Antrieb nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß das Treibrad (6) an einem Tragrahmen (13) um eine ortsfeste Drehachse (14) drehbar gelagert ist und der Antriebsmotor (7) an einer Schwinge (12) abgestützt ist, die am Tragrahmen (13) angelenkt und von einer Spannfeder (18) beaufschlagt ist.
- Antrieb nach einem der Ansprüche 1 bis 9 dadurch gekennzeichnet, daß in Montagestellung der Teile die Drehachse (14) des Treibrads (6) in der Führungsebene (32) von der vertikalen Längsmittelebene des Fahrkorbs (3) zugeordneten vertikalen Führungsschienen (33) angeordnet ist.
- Antrieb nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß der Antriebsmotor (7) von einem Asynchronmotor gebildet ist.
- Antrieb nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß der Tragrahmen (13) einen das Treibrad (6) umschließenden Hauptteil (34) und einen von diesem ausgehenden Kragteil (35) aufweist, an dessen Ende die Schwinge (12) für den Antriebsmotor (7) angelenkt ist.
- Antrieb nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Bewegung des Fahrkorbs (3) gegenüber der Drehzahl des Treibrads (6) durch die Seile in einer 2:1 oder 1:1 Aufhängung untersetzt ist.
- Antrieb nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß der Treibriemen (8) ein Keilrippen-Flachriemen ist.
- Antrieb nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß in Montagestellung der Teile die Motorwelle (16) des Antriebsmotors (7) parallel zur Ebene von etagenweise den Zugang zu dem Schacht sperrenden Türen (37) ausgerichtet ist.
- Antrieb nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß der Antriebsmotor (7) in einem Bereich oberhalb eines oberen Türkämpferprofils (36) und über diesem in dem Schachtkopfraum (4) anbringbar ist.
- Antrieb nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, daß der Antriebsmotor (7) unterhalb des unteren Türrahmens (38) in einem durch diesen und die darunter liegenden Wandungen des Schachts (2) gebildeten Bereich (39) des Schachtgrunds anbringbar ist.
- Antrieb nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, daß der Treibriemen (8) zumindest zwei voneinander unabhängige Teilriemen umfaßt und eine Sicherheitsabfrageeinrichtung vorgesehen ist, die bei Ausfall eines Teilriemens auslöst.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP1999/007573 WO2001027016A1 (de) | 1999-10-08 | 1999-10-08 | Antrieb für einen aufzug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1218280A1 EP1218280A1 (de) | 2002-07-03 |
EP1218280B1 true EP1218280B1 (de) | 2003-07-23 |
Family
ID=8167460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99974106A Expired - Lifetime EP1218280B1 (de) | 1999-10-08 | 1999-10-08 | Antrieb für einen aufzug |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1218280B1 (de) |
JP (1) | JP2003511324A (de) |
AT (1) | ATE245597T1 (de) |
AU (1) | AU1151700A (de) |
CA (1) | CA2386798A1 (de) |
DE (1) | DE59906401D1 (de) |
TR (1) | TR200200905T2 (de) |
WO (1) | WO2001027016A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20202975U1 (de) * | 2002-02-26 | 2003-07-03 | System Antriebstechnik Dresden | Maschinenraumloser Treibscheibenaufzug mit Riemenantrieb und Bremse |
EP1547961B2 (de) * | 2003-12-23 | 2010-12-01 | ThyssenKrupp Aufzugswerke GmbH | Antrieb für Aufzüge |
ES2246192T3 (es) * | 2003-12-23 | 2012-01-10 | Thyssenkrupp Aufzugswerke Gmbh | Motor eléctrico para ascensor. |
EP3567000A1 (de) * | 2018-05-09 | 2019-11-13 | Otis Elevator Company | Aufzugsbremsenanordnung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2500515A (en) * | 1947-01-30 | 1950-03-14 | Fletcher W Browning | V-belt sheave |
IT1162060B (it) * | 1978-03-17 | 1987-03-18 | Emergenzamatic Srl | Dispositivo automatico statico di emergenza per ascensori e montacarichi |
JPH0280838A (ja) * | 1988-09-16 | 1990-03-20 | Hitachi Ltd | Vベルト切損検知装置 |
JP2715823B2 (ja) * | 1992-09-07 | 1998-02-18 | 株式会社ダイフク | 吊下昇降装置付き搬送装置 |
DE4338570C2 (de) * | 1993-11-05 | 2000-06-08 | Mannesmann Ag | Elektrischer Antrieb mit Bremse, insbesondere für Hebezeuge, Hubeinrichtungen oder positionierende Förderanlagen |
US6011331A (en) * | 1997-04-22 | 2000-01-04 | Emerson Electric Co. | Electric motor having an improved airflow cooling system |
DE19718626C1 (de) * | 1997-05-02 | 1999-01-21 | Thyssen Aufzuege Gmbh | Seilgetriebener Aufzug |
DE19737485C1 (de) * | 1997-08-28 | 1999-06-17 | Stromag Ag | Elektromagnetisch betätigbare Bremse und Mehrfachbremsaggregat |
DE29806526U1 (de) * | 1998-04-09 | 1998-07-23 | Osma Aufzuege Albert Schenk Gm | Aufzug mit einem an Seilen gehaltenen Fahrkorb |
-
1999
- 1999-10-08 TR TR2002/00905T patent/TR200200905T2/xx unknown
- 1999-10-08 AT AT99974106T patent/ATE245597T1/de not_active IP Right Cessation
- 1999-10-08 EP EP99974106A patent/EP1218280B1/de not_active Expired - Lifetime
- 1999-10-08 WO PCT/EP1999/007573 patent/WO2001027016A1/de active IP Right Grant
- 1999-10-08 DE DE59906401T patent/DE59906401D1/de not_active Expired - Lifetime
- 1999-10-08 CA CA002386798A patent/CA2386798A1/en not_active Abandoned
- 1999-10-08 JP JP2001530042A patent/JP2003511324A/ja active Pending
- 1999-10-11 AU AU11517/00A patent/AU1151700A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU1151700A (en) | 2001-04-23 |
CA2386798A1 (en) | 2001-04-19 |
ATE245597T1 (de) | 2003-08-15 |
EP1218280A1 (de) | 2002-07-03 |
DE59906401D1 (de) | 2003-08-28 |
JP2003511324A (ja) | 2003-03-25 |
TR200200905T2 (tr) | 2002-07-22 |
WO2001027016A1 (de) | 2001-04-19 |
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