EP2089305A1 - Antrieb für aufzüge - Google Patents
Antrieb für aufzügeInfo
- Publication number
- EP2089305A1 EP2089305A1 EP07870188A EP07870188A EP2089305A1 EP 2089305 A1 EP2089305 A1 EP 2089305A1 EP 07870188 A EP07870188 A EP 07870188A EP 07870188 A EP07870188 A EP 07870188A EP 2089305 A1 EP2089305 A1 EP 2089305A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- belt
- traction sheave
- drive according
- drive belt
- 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
Links
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 drive type drives the suspension element directly.
- the drive of such a traction sheave is done for example by means of a transmission by an electric motor.
- Gears are not very compact, heavy and their noise level is high and reduces ride comfort. Their advantage is the usability of standard motors. In the case of chain or belt drives, the translation options are considerably restricted with reasonable design effort, the use of standard motors (eg 2 or 4-pole asynchronous motor) is not possible.
- WO 2005/115907 a tape wrapping drive is shown which drives the support means on its outside frictionally and thus enables higher speeds and makes better use of the friction ratio between eg rubber and steel advantage.
- An embodiment of such a drive is shown in JP 2004 083 223, JP 2005 075 483 and JP 2006 105 339.
- a refinement of the drive belt for such a drive is shown in JP 2003261280.
- Tapes for initiating movement are described in EP 366 450 and in JP 52 4814.
- Belts, the rollers, which are mounted on both sides or on the fly, with their outside and / or inside friction or formschlüssig .umschlingen are state of the art and are used for example in many motor vehicles to drive the ancillaries.
- 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 is preferably designed as an endless component. 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 her, 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.
- an indirect primary ratio as shown in Figure 5 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 harmful bending change and allows a well-defined friction between suspension element 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 which covers the travel path is only a very small part and the counterweight is not at all in the area of the drive.
- FIG. 1 shows a schematic representation of a drive with drive belt (1), drive belt pulley (2), support means (3), traction sheave (4), hub (5), slave disk (6), encoder disk (7), belt (8) and the drive motor (9);
- FIG. 2 is a schematic representation of a drive in conjunction with a train, with the drive belt (1), Exambandroüe (2), support means (3), traction sheave (4), hub (5), slave disc (6), encoder disc (7), Belt (8), drive motor (9), carrier (12), cab (13) and counterweight (14), spacer roller (18);
- FIG. 3 shows a schematic traction sheave section; with drive pulley (4), suspension element (3), drive belt (ia) smooth on both sides, drive belt (ib) on one side in ⁇ ulti-V-shape, brake pad (20), brake shoes (21) and hub (5);
- FIG. 4 shows a schematic traction sheave section; with traction sheave (4), support means (3) and imaginary sine line (A);
- FIG. 5 shows a schematic traction sheave section; with support means (3), traction sheave (4) and the inner belt (22);
- FIG. 6 shows a schematic partial representation of a drive with drive belt roller (2), traction sheave (4), slave disk (6), encoder disks (7) and belt (8); Drive belt not shown;
- FiG 7 is a partial schematic representation of a drive from above with drive belt roller (2), support means (3), traction sheave (4), shaft (19), drive motor (9), motor shaft (10) and angle joint (11), drive belt not shown;
- FIG. 8 shows a schematic representation of the drive belts (1), drive belt pulley (2), bearing (15), tensioning device (16) and attachment (17);
- FIG. 9 shows a schematic section through a web of the traction sheave (4) and a portion of the drive belt (1) in one-sided multi-V design
- FIG. 10 shows a schematic section through a web of the traction sheave (4)
- FIG. 11 shows a partial view of a drive; with the traction sheave (4), the support means (3), the drive belt (1) and the drive belt pulleys (2);
- the exemplary embodiments shown are explained in more detail below:
- FIG l the schematic structure of a drive is shown, in which a suspension element (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 / (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), this can additionally take place a translation and / or a favorable plotorplazierung.
- FIG 2 the operation of the drive is shown schematically 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 area 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 carrier (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 and 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 friction, allows in contrast to a direct countershaft with positive engagement, a vibration and low noise 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 movement 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.
- the use of novel, electrically operated drawbar brakes is also possible.
- the brake of the traction sheave (4) eliminates a brake applied to the drive motor (9) and the elaborate monitoring mechanisms which would thereby also be required for the drive belt (1).
- a traction sheave designated In order to be able to initiate the braking forces in the suspension element (3), it is necessary for corresponding inserts to frictionally or positively engage the disk shown under the reference numeral (4) in connection with the suspension element (3), therefore it will be referred to as a traction sheave designated. If this condition is not fulfilled, a normal role is sufficient. A description, presentation or technical discussion of the brake does not take place, since it is state of the art.
- the brake which is preferably arranged within the traction sheave (4) and designed as an inner shoe brake, can provide its holding forces regardless of the functioning of the drive belt (1) Prerequisite for the admissibility of a lift system and creates the conditions for a low-cost production of the drive and the absence of expensive and expensive monitoring mechanisms of the drive belt (1) .
- the distance "B" can be reduced to a small degree or omitted entirely, provided by the Contact between the drive belt (1) and the suspension element (3) is not a condition represents, which presses the suspension means (3) in the traction sheave and thus the adhesion conditions between the traction sheave (4) and support means (3) are changed in a meaningful way or relevant friction between the support means (3) and the drive belt (1).
- the effect is limited mainly to the generation of a troublesome noise and a possible impairment of the engine control, since these vibrations can interfere with the control equipment.
- the suspension element (3) the effects are more dramatic, since the vibrations are introduced into a steel cable which is not or only slightly damped, preferably used, these affect the car, the counterweight and all other parts connected to the steel cable. This means: noise pollution caused by vibrations and an additional load caused by these vibrations. The result is a reduction in service life and operational safety.
- FIG. 3 shows a drive belt, which is designed in a smooth shape (ia) and on one side in multi-V form (ib). This may be the case on one or both sides, wherein in one-sided design, the multi-V shape may also face the traction sheave.
- FIG. 5 shows a further embodiment variant of a drive, wherein one or more inner belts (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) must be lifted from the traction sheave (4).
- 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), thereby can the encoder discs (7) have different diameters and thus have different drive motors, wherein the drive motors can be decoupled with each other, for example by freewheels.
- FIG 7 a part of a drive is shown, is shown in which the drive belt roller (2) via an angle joint (11) with the drive motor (9) is connected, that the drive motor (9) in the profile of the overall structure in particular Drive sliding (4), or can swing in another desired position, this can be done on one or two sides.
- Second optional engine not shown.
- FIG. 8 shows an intermediate stored drive belt roller (2) over the two drive belts (1) are guided, such an arrangement favors the design of the drive belt (1) by reduced width and prevents bends 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 advantageously a web surface in the traction sheave is left between the belts in order to avoid touching the drive belts.
- FIG. 9 shows a section 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 forming takes place. For this reason, it is advantageous to perform the drive belt in multiple strands to minimize this effect in the individual bands.
- the drive belt rollers are provided with an outer contour which follows the contour of the traction sheave negative and thus compensates for this effect. 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 which is both sides smooth or equipped with this shape. Also, a wedge-shaped belt whose wedges fit into the spaces between the webs, and thus increase the positive engagement without the support means (3) to touch or push is possible.
- FIG. 10 shows a cross-sectional profile of a web part of a traction sheave (4) in which the edge is provided with a radius "r", which reduces the wear of the band at the edge, in particular when using a drive belt with eg flat side to the drive slide.
- FIG. 11 shows a schematic partial representation of a drive in which the distances "x" represent the zone in which the strip transformations also described in FIG. 9 take place can or a favorable placement of the drive motor (9) allows.
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)
Description
Claims
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 (de) | 2006-11-04 | 2007-11-03 | Antrieb für aufzüge |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2089305A1 true EP2089305A1 (de) | 2009-08-19 |
EP2089305B1 EP2089305B1 (de) | 2012-01-11 |
Family
ID=39264861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07870188A Not-in-force EP2089305B1 (de) | 2006-11-04 | 2007-11-03 | Antrieb für aufzüge |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2089305B1 (de) |
AT (1) | ATE540889T1 (de) |
DE (3) | DE102006052046A1 (de) |
WO (1) | WO2008061492A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10850945B2 (en) | 2014-05-14 | 2020-12-01 | Otis Elevator Company | Traction geared machine for elevator |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2829498A1 (de) * | 2013-07-26 | 2015-01-28 | Kone Corporation | Treibscheibenanordnung |
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)
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 |
-
2006
- 2006-11-04 DE DE102006052046A patent/DE102006052046A1/de not_active Withdrawn
-
2007
- 2007-03-30 DE DE102007015825A patent/DE102007015825A1/de not_active Withdrawn
- 2007-10-15 DE DE102007049593A patent/DE102007049593A1/de not_active Ceased
- 2007-11-03 AT AT07870188T patent/ATE540889T1/de active
- 2007-11-03 WO PCT/DE2007/001984 patent/WO2008061492A1/de active Application Filing
- 2007-11-03 EP EP07870188A patent/EP2089305B1/de not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2008061492A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10850945B2 (en) | 2014-05-14 | 2020-12-01 | Otis Elevator Company | Traction geared machine for elevator |
Also Published As
Publication number | Publication date |
---|---|
DE102007015825A1 (de) | 2008-10-02 |
ATE540889T1 (de) | 2012-01-15 |
DE102006052046A1 (de) | 2008-05-08 |
DE102007049593A1 (de) | 2009-04-16 |
WO2008061492A1 (de) | 2008-05-29 |
EP2089305B1 (de) | 2012-01-11 |
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