EP2089305B1 - Mécanisme d'entraînement pour ascenseur - Google Patents

Mécanisme d'entraînement pour ascenseur Download PDF

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Publication number
EP2089305B1
EP2089305B1 EP07870188A EP07870188A EP2089305B1 EP 2089305 B1 EP2089305 B1 EP 2089305B1 EP 07870188 A EP07870188 A EP 07870188A EP 07870188 A EP07870188 A EP 07870188A EP 2089305 B1 EP2089305 B1 EP 2089305B1
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EP
European Patent Office
Prior art keywords
drive
belt
drive belt
traction sheave
disc
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.)
Not-in-force
Application number
EP07870188A
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German (de)
English (en)
Other versions
EP2089305A1 (fr
Inventor
Manuela Widmann
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Individual
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Individual
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Publication date
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Publication of EP2089305A1 publication Critical patent/EP2089305A1/fr
Application granted granted Critical
Publication of EP2089305B1 publication Critical patent/EP2089305B1/fr
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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B15/00—Main component parts of mining-hoist winding devices
    • B66B15/02—Rope or cable carriers
    • B66B15/04—Friction sheaves; "Koepe" pulleys

Definitions

  • a traction sheave (4) is partially wrapped by a suspension element (3), which is preferably a steel cable.
  • the traction sheave is wrapped by a drive belt (1), which runs over rollers and preferably as an endless component is executed.
  • These rollers hereinafter referred to as drive belt rollers (2), are preferably in frictional contact with the drive belt (1).
  • the outside of the drive belt is in preferably frictional contact with the traction sheave.
  • the drive belt rollers (2) If one or more of the drive belt rollers (2) is driven, this movement is transmitted to the traction sheave in the form of a rotary movement.
  • the traction sheave passes this movement to the suspension element, this is moved depending on the direction of rotation from one to the other side and thus allows the movement of the cabin and the remaining components.
  • the drive belt rollers with the drive motor (9) are connected by a countershaft.
  • An advantageous solution, preferably in elevators with high cabin speeds, is the direct drive of the drive belt pulleys.
  • An advantageous development of the invention provides a directly connected to the traction sheave brake unit, which meets all safety-related necessities for elevator systems. This brake is advantageously integrated as internal shoe brake in the traction sheave.
  • the traction sheave with brake and the drive are an independent unit.
  • the drive motor, the drive belt pulleys, the drive belt and other components are separately mounted and interchangeable.
  • a description, presentation or technical treatise of the brake, which is incorporated in the traction sheave or connected to it does not take place, since it is state of the art.
  • the use of a rotating drive belt, with drive rollers which have a small diameter, allows a reduction in the speed.
  • FIG. 5 As shown, it is possible to use a standard 4-pole motor with a speed of 1500 rpm at a cabin speed of 1 m / s.
  • the described inventive design of a drive allows the use of a standard motor, the use of a short suspension means without secondary translation eg bottle construction with potentially damaging bending change and allows a well-defined frictional engagement between the support means and traction sheave.
  • their compact design with the appropriate shipment or integration of the fasteners of the elevator system allows such an arrangement in the shaft head, that this as well as the pit can be reduced to a minimum.
  • the interfering edge of the car covered by the guideway is only a very small part and the counterweight is not at all in the area of the drive.
  • a collision problem with incorrectly mounted or defective parts on the drive, cab or counterweight does not exist.
  • the flying bearing used there combines the gain in space with the problems of the greatly increased bending load and the associated safety risk at the journal.
  • the direct connection between the countershaft and traction sheave used by a toothed belt promotes vibrations, and thus loss of comfort and noise.
  • the drive belt can be implemented by a different element than a multi-V belt whose surface shape or surface finish is suitable. It can also be provided that the contour of the cross section of the surface of the traction sheave (4) is flat. Regardless of the measures chosen above and / or waiving a special geometric cross-sectional training of the traction sheave (4) in the area or at least in partial areas of the drive belt support, the distances of the grooves for the guides of the drive belt in the traction sheave to reduce or avoid the stresses in the drive belt cross section less than in the belt.
  • the drive instead of a drive belt (1), the drive may have one or more outer belts comprising the traction sheave (4) in that area which is not in the zone in which the suspension means (3) are accessible via the traction sheave (3). 4) is guided. Between at least one of the drive belt rollers (2) and the drive belt (1) can be made instead of frictional locking positive engagement. It can be provided that when form-fitting mainly the common STD Tooth profile finds.
  • the drive may further comprise one or more drive units (9) acting on one and / or more drive belt pulleys (2), and the drive belt pulleys (2) may have different diameters. It can also be provided that the drive units (9), in electrical design, have a different polarity and are asynchronous or synchronous standard squirrel-cage motors.
  • the traction sheave (s) may have an additional drive.
  • the grooves in the traction sheave (4) and / or the drive belt surface may be designed so that the support means (3) projects beyond the outer circumference of the traction sheave (4) and the drive belt (1) preferably only contacts the support means (3).
  • the support means (3) can also be designed so that it is mainly only a means of movement.
  • FIG. 1 the schematic structure of a drive is shown in which a support means (3) is partially wrapped around a rotatable traction sheave (4).
  • a drive belt (1) is guided and arranged so that it is in preferably frictional contact with the traction sheave (4), the drive belt roller / s (2) can directly by a motor or, as shown in dashed lines , are additionally driven via an indirect countershaft with encoder (7) and slave disc (s) (6), thereby additionally a translation and / or a favorable engine placement take place.
  • FIG. 2 is shown schematically the action of the drive in an elevator system.
  • the drive is shown with this figure by way of example with two drive belt rollers (2) and two spacer rollers (18).
  • the wrap angle of the drive belt (1) around the traction sheave (4) increases.
  • the contact surface between the drive belt (1) and traction sheave (4) is increased and the surface load of the drive belt (1) lowered.
  • the distance between the drive belt (1) and support means (3) in the region of the drive belt reel / n (2 ) and the spacer roller (s) (18) are selected to be correspondingly large. It is additionally shown that it is possible to integrate a support (12), which may already be part of an elevator installation, into the drive.
  • the carrier (12) can move upwards in this arrangement and thereby allows as long as possible guide rails for the cabin on which it preferably rests.
  • this arrangement is not restrictive.
  • the drive can also be joined holistically and then connected to the carrier, namely hanging, standing, side, turned on itself, even a shipment of the drive next to or in the counterweight or elsewhere than in the pit head, eg a separate engine room , is possible.
  • the axes of the drive can be arranged both parallel to the cabin rear wall as well as at any other angle.
  • the dashed lines shown, indirect countershaft with frictional engagement allows in contrast to a direct countershaft with positive locking a vibration and quiet additional translation and other design options of the drive.
  • a belt (8) via a donor disk (7) and two slave disks (6) is guided, in addition, a translation is effected in the preferably slow.
  • the drive belt roller / s (2) are rotatably connected to the countershaft (s) (6), there is also a positive or frictional connection between the drive belt rollers (2) and the drive belt (1) and turn the drive belt (1) and the traction sheave ( 4).
  • a clockwise rotation of the drive motor (9) on the encoder disc (7) causes in conjunction with the optional countershaft a slowed clockwise rotation of the drive belt rollers (2) and thus a shipment of the support means (3) from right to left on the traction sheave (4).
  • the cab (13) is moved down. Due to the safety requirements in elevator systems, a brake is advantageously spent in the traction sheave (4) or at least connected directly to her.
  • the brake can be operated hydraulically or electrically.
  • FIG. 3 shows a section through a traction sheave (4), which shows that a distance "B" between the drive belt (1) and the support means (3) consists.
  • This essential feature ensures a clear adhesion state between the driving sheath (4) and the support means (3), even in case of damage or destruction of the drive belt (1).
  • the brake which is preferably arranged within the traction sheave (4) and executed as an inner shoe brake, can provide their holding forces regardless of the operability of the drive belt (1).
  • the distance "B" can be reduced to a small degree or omitted entirely, provided that the contact between the drive belt (1) and support means (3) does not set a state that presses the support means (3) in the traction sheave and thus the adhesion conditions between Traction sheave (4) and support means (3) are changed in a meaningful way or relevant frictional engagement between the support means (3) and the drive belt (1) is formed.
  • the reduction of the distance to zero or a small contact pressure of the drive belt (1) to the support means (3) is an unfavorable education the solution according to the invention.
  • FIG. 4 shows an imaginary sinusoidal line "A", which follows the surface contour of the webs of the traction sheave (4).
  • A This shape prevents uneven wear and thus premature wear or damage to the drive belt and the traction sheave.
  • the exact geometric description of the curve function must be based on empirical tests or corresponding simulation programs.
  • a cross-sectional deformation in the support zone between the drive belt and the traction sheave is to be avoided. This results in the need to provide sufficient clearance between the point at which the drive belt is placed on the traction sheave surface and the point at which contact is made with the drive belt pulley and the drive belt, around the forming zone of the belt adequate. See also FIG. 11 Distance "x".
  • FIG. 5 shows a further embodiment of a drive, wherein one or more inner belt (22) instead of a drive belt in the undercut region of a traction sheave (4) are introduced.
  • This variant has the advantage of a very simple propellant, so that the advantages of a standard belt with the advantage of avoiding broadening of the traction sheave, are connected.
  • this solution has the disadvantage that to replace the inner belt (22) the support means (3) from the traction sheave (4) must be lifted.
  • FIG. 6 the part of a drive is shown in which a belt (8), which drives the drive belt rollers (2), outside and / or inside is positively or frictionally carried out and at least two encoder discs (7).
  • the encoder discs (7) have different diameters and thus have different drive motors, wherein the drive motors can be decoupled from each other, for example by freewheels.
  • FIG. 7 a part of a drive is shown in which it is shown how the drive belt roller (2) via an angle joint (11) is so connected to the drive motor (9) that the drive motor (9) in the profile of the overall structure in particular the traction sheave ( 4) or swing to another desired position. This can be done on one side or on two sides. Second optional engine not shown.
  • FIG. 8 shows an intermediate drive belt roller (2) over which two drive belts (1) are guided.
  • Such an arrangement favors the design of the drive belt (1) by reduced width and prevents bending of the drive belt pulley (2).
  • This design can be used in both tensioned and fixed rollers and is not limited to a one-time subdivision. If a two- or multi-part drive belt is used, then a web surface in the traction sheave is advantageously omitted between the belts in order to avoid contact between the drive belts.
  • FIG. 9 shows a portion of a drive belt (1), which is designed on one side in multi-V shape, with the associated web portion of the traction sheave (4).
  • the compression of the tips in the profile of the drive belt (1) in the region of the web and their extension in the spaces can be seen. Due to the band geometry, there is a difference in the width of the drive belt on the traction sheave and the drive belt pulley, if this is cylindrical, and thus to different voltages. In the cross-sectional contour of the drive belt is a transformation stood. For this reason, it is advantageous to make the drive belt in multiple strands to minimize this effect in the single bands.
  • the drive belt rollers are equipped with an outer contour that follows the contour of the traction sheave negative and thus this Effect compensates. It is important to ensure that all circumferential lines on the drive belt (1) have the same length.
  • the tape shown can be replaced by another drive element, in particular by a band that is smooth on both sides or with this shape. Also, a wedge-shaped belt whose wedges fit into the interstices of the webs and thus increase the positive engagement without touching or pressing the support means (3) is possible.
  • FIG. 10 shows a cross-sectional profile of a web portion of a traction sheave (4), in which the edge is provided with a radius "r", which in particular reduces the wear of the tape at the edge when using a drive belt with eg flat side to the drive slide.
  • FIG. 11 shows a schematic partial view of a drive, in which the distances "x" represent the zone in which the also in FIG. 9 described band transformations take place.
  • the drive rollers (2) is shown, which may be useful by structural measures or allows a favorable placement of the drive motor (9).

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Escalators And Moving Walkways (AREA)

Claims (12)

  1. Entraînement composé d'au moins une courroie d'entraînement (1), laquelle est guidée par-dessus au moins deux galets d'entraînement (2) dont au moins un est entraîné, et laquelle est en contact, par sa face externe, avec une poulie motrice (4), autour de laquelle un moyen porteur (3) est partiellement enroulé, lequel moyen porteur est disposé entre la poulie motrice (4) et la courroie d'entraînement (1), caractérisé en ce que la courroie d'entraînement (1) est en contact avec la poulie motrice (4) et qu'il existe une certaine distance (B) entre la courroie d'entraînement (1) et le moyen porteur (3), en ce que les galets d'entraînement (2) n'exercent aucune pression sur la courroie d'entraînement (1), en ce que la poulie motrice (4) présente, au niveau de sa surface, des nervures ayant entre elles des interstices dans le sens transversal et en ce qu'un moteur électrique classique est utilisé en tant que moteur d'entraînement.
  2. Entraînement selon la revendication 1, caractérisé en ce qu'un frein à mâchoires intérieures est intégré dans la poulie motrice (4).
  3. Entraînement selon la revendication 1, caractérisé en ce qu'un autre type de dispositif de freinage est relié à la poulie motrice (4) de manière solidaire en rotation.
  4. Entraînement selon la revendication 1, caractérisé en ce que la surface d'appui de la courroie d'entraînement sur la poulie motrice (4) ne se trouve pas ou ne se trouve que partiellement dans la zone de la surface qui recouvre la zone dans laquelle le moyen porteur (3) est guidé par-dessus la poulie motrice (4).
  5. Entraînement selon la revendication 1, caractérisé en ce qu'une liaison de forme existe entre la poulie motrice (4) et la courroie d'entraînement (1).
  6. Entraînement selon l'une quelconque des revendications précédentes, caractérisé en ce que le moyen porteur (3) n'est pas métallique ou n'est que partiellement métallique et en ce que sa coupe transversale n'est pas ronde.
  7. Entraînement selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un raccord rotatif inclinable est mis en oeuvre entre les galets d'entraînement (2) et les unités d'entraînement (9) et en ce que les unités d'entraînement (9) peuvent ainsi être pivotées dans une autre position.
  8. Entraînement selon l'une quelconque des revendications précédentes, caractérisé en ce que, lorsque celui-ci est utilisé dans un ascenseur, la cabine peut passer à côté de celui-ci.
  9. Entraînement selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est mis en oeuvre dans un ascenseur ayant un guidage unilatéral de la cabine (sac à dos).
  10. Entraînement selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une transmission primaire indirecte supplémentaire est prévue sous la forme d'une transmission par courroie.
  11. Entraînement selon la revendication 10, caractérisé en ce que la/les transmission/s primaire/s indirecte/s possède/nt un entraînement multiple.
  12. Entraînement selon l'une quelconque des revendications précédentes, caractérisé en ce que, pour l'intégration, les modules sont mis en place séparément ou à des endroits différents.
EP07870188A 2006-11-04 2007-11-03 Mécanisme d'entraînement pour ascenseur Not-in-force EP2089305B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102006052046A DE102006052046A1 (de) 2006-11-04 2006-11-04 Antrieb für Aufzüge
DE102007015825A DE102007015825A1 (de) 2006-11-04 2007-03-30 Antrieb für Aufzüge in selbsttragender Ausführung
DE102007049593A DE102007049593A1 (de) 2006-11-04 2007-10-15 Antrieb für Aufzüge mit Flachbandtragmittel
PCT/DE2007/001984 WO2008061492A1 (fr) 2006-11-04 2007-11-03 Mécanisme d'entraînement pour ascenseur

Publications (2)

Publication Number Publication Date
EP2089305A1 EP2089305A1 (fr) 2009-08-19
EP2089305B1 true EP2089305B1 (fr) 2012-01-11

Family

ID=39264861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07870188A Not-in-force EP2089305B1 (fr) 2006-11-04 2007-11-03 Mécanisme d'entraînement pour ascenseur

Country Status (4)

Country Link
EP (1) EP2089305B1 (fr)
AT (1) ATE540889T1 (fr)
DE (3) DE102006052046A1 (fr)
WO (1) WO2008061492A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106458521A (zh) * 2014-05-14 2017-02-22 奥的斯电梯公司 用于电梯的带齿轮曳引机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2829498A1 (fr) * 2013-07-26 2015-01-28 Kone Corporation Dispositif de poulie de traction
CN110027969A (zh) 2018-01-11 2019-07-19 奥的斯电梯公司 曳引机组件及电梯

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004262651A (ja) * 2002-09-11 2004-09-24 Inventio Ag エレベータ、エレベータのメンテナンス方法、エレベータの最新化方法、およびエレベータ用のクランプ装置
JP4925106B2 (ja) * 2004-09-09 2012-04-25 三菱電機株式会社 エレベータの駆動装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106458521A (zh) * 2014-05-14 2017-02-22 奥的斯电梯公司 用于电梯的带齿轮曳引机

Also Published As

Publication number Publication date
DE102006052046A1 (de) 2008-05-08
ATE540889T1 (de) 2012-01-15
WO2008061492A1 (fr) 2008-05-29
DE102007015825A1 (de) 2008-10-02
DE102007049593A1 (de) 2009-04-16
EP2089305A1 (fr) 2009-08-19

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