EP1013598B1 - Driving device for elevators - Google Patents
Driving device for elevators Download PDFInfo
- Publication number
- EP1013598B1 EP1013598B1 EP19990124321 EP99124321A EP1013598B1 EP 1013598 B1 EP1013598 B1 EP 1013598B1 EP 19990124321 EP19990124321 EP 19990124321 EP 99124321 A EP99124321 A EP 99124321A EP 1013598 B1 EP1013598 B1 EP 1013598B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- brake
- traction sheave
- driving device
- drive shaft
- drive unit
- 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
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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
- B66B11/0438—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with a gearless driving, e.g. integrated sheave, drum or winch in the stator or rotor of the cage motor
Definitions
- the invention relates to a drive unit for elevators consisting of a motor arranged in a housing, which drives a traction sheave by means of a drive shaft, the traction sheave using a braking device is fixable.
- DD 44 278 is an electrical Elevator motor with connected traction sheave and Brake drum became known. Traction sheave and Brake drum are outside of the motor housing and the drive-side bearing at a free shaft end arranged on the fly. The traction sheave and the brake drum can be made in one piece. As The two-shoe brake consists of one Actuator, from brake brackets and brake shoes, wherein the actuator from the outside of the motor housing is attached. To accommodate the high drive pulley side Loads is a bearing plate and a bearing for high Loads provided.
- a disadvantage of the known device is that due to the flying arrangement of the traction sheave and the brake drum is an expensive end shield with bearings for high Loads is necessary. Another disadvantage is that lateral arrangement of the brake bracket and the brake shoes what increases the diameter of the drive unit.
- the drive unit consists of a motor arranged in a housing, which by means of a drive shaft drives a traction sheave, the Traction sheave lockable by a braking device is.
- the invention seeks to remedy this.
- the invention as characterized in claim 1 solves the problem to avoid the disadvantages of the known device and to create a drive unit in a flat design.
- the advantages achieved by the invention are in essential to see that the drive unit builds slim at right angles to the drive shaft and that thanks the slim design the drive unit in one Elevator shaft, for example, in the area between the Track area of the cabin and the shaft wall can be installed is.
- Another advantage is the common Support of the traction sheave and the drive shaft. On there is no free shaft end without support that Traction sheave is supported directly on the end shield. Bending forces on the drive shaft can thereby be avoided become.
- 1 to 3 with 1 is a drive unit referred to, which consists essentially of a housing 2, a Drive shaft 3, a stator connected to the housing 2 4 and a rotor 5 connected to the drive shaft 3 consists. Stator 4 and rotor 5 form the drive motor.
- the Drive shaft 3 is at one end of a first bearing 6 worn, which on a first End shield 2.1 is arranged, which is part of the Housing 2 is.
- a traction sheave 7 is arranged over which not shown ropes for carrying and moving one Elevator car or a counterweight are performed.
- the Traction sheave 7 or the other, üs free end of the drive shaft 3 are from a second Bearing 8, which is arranged on a boom 9, carried.
- the boom 9 is part of a second Bearing plate 2.2, which is part of the housing 2.
- the Traction sheave 7 has a serving as a brake drum 11 Process on.
- the between traction sheave 7 and housing 2 arranged brake drum 11 forms together with the first Brake levers 12, second brake levers 13, first Electromagnet 14, second electromagnet 15, first Compression springs 16 and second compression springs, not shown the braking device of the drive unit.
- At the top of the second End shield 2.2 is a first lever joint 17 and at the bottom second end shield 2.2 is a second lever joint 18 arranged.
- the first brake lever 12 is on the first Lever joint 17 and the second brake lever 13 is on the second Lever joint 18 rotatably arranged.
- the power of the first Compression spring 16 is opened by means of the first brake lever 12 transfer the brake drum 11, a first on one first brake shoe 19 arranged brake pad 20 the necessary friction force generated on the brake drum 11.
- the Force of the second compression spring is by means of the second Transfer brake lever 13 to the brake drum 11, wherein a second arranged on a second brake shoe 21 Brake pad 22 the necessary friction on the brake drum 11 generated.
- the Electromagnets 14, 15 activated, the forces of Overcome compression springs and the brake shoes 19, 21 with the Lift the brake pads 20, 22 off the brake drum 11.
- the electromagnets 14, 15 can also hydraulic lifting cylinders can be provided.
- a rope safety device 23 arranged on the drive pulley side prevents the cables from jumping off the traction sheave 7.
- a shaft end 24 is provided, the for example, the revolutions of the drive shaft 3 detecting sensor, not shown drives.
- a junction box 25 for the top of the housing 2 the electrical supply to the drive unit 1 intended.
- the width B of the Drive unit is only determined by the size of the stator 4 and rotor 5 formed motor determined, lateral There are no structures that increase the width B.
- the Diameter D of the traction sheave 7 is smaller or the same as large as the width B of the drive unit.
- the embodiment shown relates to a gearless drive unit.
- the inventive Traction sheave with the braking device and its storage can also be used, for example, in drive units with gears be used.
- a disc brake may be provided, wherein the extension of the traction sheave 7 is disc-shaped and the brake shoes 19, 21 at the top and / or at the bottom Housing 2 are arranged on both sides of the brake disc.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Braking Arrangements (AREA)
Description
Die Erfindung betrifft eine Antriebseinheit für Aufzüge bestehend aus einem in einem Gehäuse angeordneten Motor, der mittels einer Antriebswelle eine Treibscheibe antreibt, wobei die Treibscheibe mittels einer Bremseinrichtung festsetzbar ist.The invention relates to a drive unit for elevators consisting of a motor arranged in a housing, which drives a traction sheave by means of a drive shaft, the traction sheave using a braking device is fixable.
Aus der Patentschrift DD 44 278 ist ein elektrischer Aufzugsmotor mit miteinander verbundener Treibscheibe und Bremstrommel bekannt geworden. Treibscheibe und Bremstrommel sind ausserhalb des Motorgehäuses und der antriebsseitigen Lagerstelle an einem freien Wellenende fliegend angeordnet. Die Treibscheibe und die Bremstrommel können aus einem Stück ausgeführt sein. Die als Zweibackenbremse ausgeführte Bremse besteht aus einem Betätigungsgerät, aus Bremsbügeln und Bremsbacken, wobei das Betätigungsgerät von aussen am Gehäuse des Motors befestigt ist. Zur Aufnahme der treibscheibenseitigen hohen Belastungen ist ein Lagerschild und ein Lager für hohe Belastungen vorgesehen.From the patent specification DD 44 278 is an electrical Elevator motor with connected traction sheave and Brake drum became known. Traction sheave and Brake drum are outside of the motor housing and the drive-side bearing at a free shaft end arranged on the fly. The traction sheave and the brake drum can be made in one piece. As The two-shoe brake consists of one Actuator, from brake brackets and brake shoes, wherein the actuator from the outside of the motor housing is attached. To accommodate the high drive pulley side Loads is a bearing plate and a bearing for high Loads provided.
Ein Nachteil der bekannten Einrichtung liegt darin, dass bedingt durch die fliegende Anordnung der Treibscheibe und der Bremstrommel ein teures Lagerschild mit Lager für hohe Belastungen notwendig ist. Weiter nachteilig ist die seitliche Anordnung der Bremsbügel und der Bremsbacken, was den Durchmesser der Antriebseinheit vergrössert. A disadvantage of the known device is that due to the flying arrangement of the traction sheave and the brake drum is an expensive end shield with bearings for high Loads is necessary. Another disadvantage is that lateral arrangement of the brake bracket and the brake shoes what increases the diameter of the drive unit.
Aus der Schrift US 4 355 785 ist eine Antriebseinheit für Aufzüge bekannt geworden. Die Antriebseinheit besteht aus einem in einem Gehäuse angeordneten Motor, der mittels einer Antriebswelle eine Treibscheibe antreibt, wobei die Treibscheibe mittels einer Bremseinrichtung festsetzbar ist.From US 4 355 785 a drive unit for Elevators became known. The drive unit consists of a motor arranged in a housing, which by means of a drive shaft drives a traction sheave, the Traction sheave lockable by a braking device is.
Nachteilig bei dieser Einrichtung ist die ausserhalb der Treibscheibe angeordnete Bremsscheibe. Die Bremsmomente wirken sich ungünstig auf die punktuelle Lagerung der Antriebswelle aus.The disadvantage of this facility is that outside Traction sheave arranged brake disc. The braking torques have an unfavorable effect on the selective storage of the Drive shaft off.
Hier will die Erfindung Abhilfe schaffen. Die Erfindung,
wie sie in Anspruch 1 gekennzeichnet ist, löst die Aufgabe,
die Nachteile der bekannten Einrichtung zu vermeiden und
eine Antriebseinheit in Flachbauweise zu schaffen. The invention seeks to remedy this. The invention,
as characterized in
Die durch die Erfindung erreichten Vorteile sind im wesentlichen darin zu sehen, dass die Antriebseinheit rechtwinklig zur Antriebswelle schlank baut und dass dank der schlanken Bauweise die Antriebseinheit in einen Aufzugsschacht beispielsweise in den Bereich zwischen dem Fahrwegbereich der Kabine und der Schachtwand einbaubar ist. Ein weiterer Vorteil besteht in der gemeinsamen Abstützung der Treibscheibe und der Antriebswelle. Ein freies Wellenende ohne Abstützung gibt es nicht, die Treibscheibe wird direkt am Lagerschild abgestützt. Biegekräfte auf die Antriebswelle können dadurch vermieden werden.The advantages achieved by the invention are in essential to see that the drive unit builds slim at right angles to the drive shaft and that thanks the slim design the drive unit in one Elevator shaft, for example, in the area between the Track area of the cabin and the shaft wall can be installed is. Another advantage is the common Support of the traction sheave and the drive shaft. On there is no free shaft end without support that Traction sheave is supported directly on the end shield. Bending forces on the drive shaft can thereby be avoided become.
Im folgenden wird die Erfindung anhand von ein Ausführungsbeispiel darstellenden Zeichnungen näher erläutert.In the following the invention is based on a Exemplary embodiment drawings more closely explained.
Es zeigen:
- Fig. 1
- eine erfindungsgemässe Antriebseinheit mit Motor, Treibscheibe und Bremseinrichtung,
- Fig. 2
- eine Seitenansicht der Antriebseinheit und
- Fig. 3
- eine Draufsicht der Antriebseinheit.
- Fig. 1
- a drive unit according to the invention with a motor, traction sheave and braking device,
- Fig. 2
- a side view of the drive unit and
- Fig. 3
- a top view of the drive unit.
In den Fig. 1 bis 3 ist mit 1 eine Antriebseinheit
bezeichnet, die im wesentlichen aus einem Gehäuse 2, einer
Antriebswelle 3, einem mit dem Gehäuse 2 verbundenen Stator
4 und einem mit der Antriebswelle 3 verbundenen Rotor 5
besteht. Stator 4 und Rotor 5 bilden den Antriebsmotor. Die
Antriebswelle 3 wird einenends von einem ersten Lager 6
getragen, welches an einem ersten
Lagerschild 2.1 angeordnet ist, das Bestandteil des
Gehäuses 2 ist. Am anderen, freien Ende der Antriebswelle 3
ist eine Treibscheibe 7 angeordnet, über die nicht
dargestellte Seile zum Tragen und Bewegen einer
Aufzugskabine bzw. eines Gegengewichtes geführt sind. Die
Treibscheibe 7 bzw. das andere, üs
freie Ende der Antriebswelle 3 werden von einem zweiten
Lager 8, welches an einem Ausleger 9 angeordnet ist,
getragen. Der Ausleger 9 ist Teil eines zweiten
Lagerschildes 2.2, das Bestandteil des Gehäuses 2 ist. Die
Treibscheibe 7 weist einen als Bremstrommel 11 dienenden
Fortsatz auf. Die zwischen Treibscheibe 7 und Gehäuse 2
angeordnete Bremstrommel 11 bildet zusammen mit ersten
Bremshebeln 12, zweiten Bremshebeln 13, ersten
Elektromagneten 14, zweiten Elektromagneten 15, ersten
Druckfedern 16 und zweiten, nicht dargestellten Druckfedern
die Bremseinrichtung der Antriebseinheit. Oben am zweiten
Lagerschild 2.2 ist ein erstes Hebelgelenk 17 und unten am
zweiten Lagerschild 2.2 ist ein zweites Hebelgelenk 18
angeordnet. Der erste Bremshebel 12 ist am ersten
Hebelgelenk 17 und der zweite Bremshebel 13 ist am zweiten
Hebelgelenk 18 drehbar angeordnet. Die Kraft der ersten
Druckfeder 16 wird mittels des ersten Bremshebels 12 auf
die Bremstrommel 11 übertragen, wobei ein erster an einer
ersten Bremsbacke 19 angeordneter Bremsbelag 20 die
notwendige Reibkraft auf der Bremstrommel 11 erzeugt. Die
Kraft der zweiten Druckfeder wird mittels des zweiten
Bremshebels 13 auf die Bremstrommel 11 übertragen, wobei
ein zweiter an einer zweiten Bremsbacke 21 angeordneter
Bremsbelag 22 die notwendige Reibkraft auf der Bremstrommel
11 erzeugt. Zur Lüftung der Bremse werden die
Elektromagneten 14, 15 aktiviert, die die Kräfte der
Druckfedern überwinden und die Bremsbacken 19, 21 mit den
Bremsbelägen 20, 22 von der Bremstrommel 11 abheben.
Anstelle der Elektromagneten 14, 15 können auch
hydraulische Hebezylinder vorgesehen sein. 1 to 3 with 1 is a drive unit
referred to, which consists essentially of a
Eine treibscheibenseitig angeordnete Seilsicherung 23
verhindert ein Abspringen der Seile von der Treibscheibe 7.
Am der Treibscheibe 7 gegenüberliegenden Ende der
Antriebswelle 3 ist ein Wellenstummel 24 vorgesehen, der
beispielsweise einen die Umdrehungen der Antriebswelle 3
erfassenden, nicht dargestellten Sensor antreibt. Im
weiteren ist oben am Gehäuse 2 ein Anschlusskasten 25 für
die elektrische Versorgung der Antriebseinheit 1
vorgesehen.A
Mit der gezeigten Lagerung der Treibscheibe 7 mit
integrierter Bremstrommel 11, bzw. der Lagerung der
Antriebswelle 3 werden die Kräfte am Entstehungsort auf das
zweite Lagerschild 2.2 übertragen, wodurch die an freien
Wellenenden entstehenden Biegekräfte vermieden werden.
Weiter vorteilhaft ist die Anordnung der Bremse oben und
unten an der Antriebseinheit. Die Breite B der
Antriebseinheit wird nur durch die Grösse des durch Stator
4 und Rotor 5 gebildeten Motors bestimmt, seitliche
Aufbauten, die die Breite B vergrössern gibt es nicht. Der
Durchmesser D der Treibscheibe 7 ist kleiner oder gleich
gross wie die Breite B der Antriebseinheit.With the mounting of the
Das gezeigte Ausführungsbeispiel bezieht sich auf eine
getriebelose Antriebseinheit. Die erfindungsgemässe
Treibscheibe mit der Bremseinrichtung und deren Lagerung
kann beispielsweise auch bei Antriebseinheiten mit Getriebe
verwendet werden. Im weiteren kann anstelle der
Trommelbremse eine Scheibenbremse vorgesehen sein, wobei
der Fortsatz der Treibscheibe 7 scheibenförmig ausgebildet
ist und die Bremsbacken 19, 21 oben und/oder unten am
Gehäuse 2 beidseitig der Bremsscheibe angeordnet sind.The embodiment shown relates to a
gearless drive unit. The inventive
Traction sheave with the braking device and its storage
can also be used, for example, in drive units with gears
be used. Furthermore, instead of
Drum brake a disc brake may be provided, wherein
the extension of the
Claims (4)
- Driving device for elevators consisting of a motor (4, 5) arranged in a casing (2), the motor driving a traction sheave (7) by means of a drive shaft (3), the traction sheave (7) being arrestable by means of a braking device, the traction sheave (7) being arranged on a free end of the drive shaft (3) and supported in a bearing end-plate (2.2) of the casing (2)
characterized in that
a brake drum (11) is provided which is part of the traction sheave (7) and that brake arms (12, 13) running in the direction of the drive shaft (3) are provided which transmit the force from sources of force (14, 15, 16) to the brake drum (11). - Driving device according to Claim 1,
characterized in that
the brake arms (12, 13) and the sources of force (14, 15, 16) are arranged on the top of the casing (2) and on the bottom of the casing (2). - Driving device according to Claim 2,
characterized in that
the brake arms (12, 13) are fastened on the bearing plate (2.2) with linkages and can be actuated at one end by means of the sources of force (14, 15, 16) and at the other end act on the brake drum (11) by means of brake shoes (19, 20, 21, 22). - Driving device according to one of the foregoing claims
characterized in that
the driving device is constructed with a narrow width (B), the diameter (D) of the traction sheave (7) being smaller than, or the same as, the width (B) of the driving device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19990124321 EP1013598B1 (en) | 1998-12-14 | 1999-12-06 | Driving device for elevators |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98811223 | 1998-12-14 | ||
EP98811223 | 1998-12-14 | ||
EP19990124321 EP1013598B1 (en) | 1998-12-14 | 1999-12-06 | Driving device for elevators |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1013598A1 EP1013598A1 (en) | 2000-06-28 |
EP1013598B1 true EP1013598B1 (en) | 2004-03-10 |
Family
ID=26152101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19990124321 Expired - Lifetime EP1013598B1 (en) | 1998-12-14 | 1999-12-06 | Driving device for elevators |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1013598B1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4355785A (en) * | 1981-02-23 | 1982-10-26 | Westinghouse Electric Corp. | Electrically driven sheave |
AU580453B2 (en) * | 1985-11-04 | 1989-01-12 | Johns Perry Industries Pty. Ltd. | Lift sheave |
DE59102619D1 (en) * | 1990-07-26 | 1994-09-29 | Inventio Ag | Gearless drive machine for elevators. |
FI941596A (en) * | 1994-04-07 | 1995-10-08 | Kone Oy | The engine of an elevator |
DE19634629B4 (en) * | 1996-02-21 | 2004-04-29 | Wittur Ag | Gearless drive device for lifts |
-
1999
- 1999-12-06 EP EP19990124321 patent/EP1013598B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1013598A1 (en) | 2000-06-28 |
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