EP1237809A1 - Verfahren und einrichtung zur reduzierung des polygoneffektes im umlenkbereich von personenförderanlagen - Google Patents
Verfahren und einrichtung zur reduzierung des polygoneffektes im umlenkbereich von personenförderanlagenInfo
- Publication number
- EP1237809A1 EP1237809A1 EP00974476A EP00974476A EP1237809A1 EP 1237809 A1 EP1237809 A1 EP 1237809A1 EP 00974476 A EP00974476 A EP 00974476A EP 00974476 A EP00974476 A EP 00974476A EP 1237809 A1 EP1237809 A1 EP 1237809A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chain
- deflection
- speed
- frequency converter
- deflection 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.)
- Granted
Links
- 230000000694 effects Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007620 mathematical function Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
- B66B23/02—Driving gear
- B66B23/022—Driving gear with polygon effect reduction means
Definitions
- the invention relates to a method for reducing the polygon effect which occurs in the course of the deflection of a chain which can be used for a passenger conveyor, in particular an escalator or a moving walk.
- the polygon effect is created by the square shape of the chain on the sprocket. As the angle of rotation increases, the effective radius on the sprocket varies, causing the chain speed to fluctuate between a maximum and a minimum value. When the sprocket is engaged, the chain rollers and the teeth of the sprocket have different speeds, which results in shocks.
- the circulation effect is a consequence of the angular momentum that is transmitted from the chain wheel to the chain links and thus to the steps or pallets. After the chain has run out of the chain wheel, this angular momentum is initially retained by the inertia of the system, which leads to the so-called rolling of the chain. The angular momentum is reduced by friction in the chain or, in the presence of a chain guide element, by impacts between the chain and the guide.
- EP 0 71 1 725 discloses a device for guiding a belt continuum for escalators or moving walks, in which the chain rollers are guided with a track by means of a support rail and with a track by means of a compensating rail. At the entrance of a chain wheel deflecting the belt continuum, the chain rollers come from the rectilinear track of the support rail onto the curved track of the compensation rail and from there at a tangent point into engagement with the chain wheel.
- the chain rollers are moved in the direction perpendicular to the direction of travel by a distance from the chain wheel measured transversely to the direction of travel, which should have an advantageous effect on the smooth running of the belt continuum.
- This special curve shape of the connecting part is also intended to reduce the polygon effect.
- the object of the invention is to provide a method and a device by means of which the polygon and circulation effects can be reduced substantially while maintaining conventional circulation conditions, in order to optimize the smooth running of the passenger conveyor system, in particular the escalator or the moving walkway.
- This goal is achieved on the one hand by a method for reducing the polygon effect occurring in the course of the chain deflection of a chain which can be used for a passenger conveyor, in particular an escalator or a moving walkway, in that a different kind of the rotational speed of the deflection wheel acts directly or indirectly on the deflection wheel Speed is superimposed.
- a device for reducing the polygon effect occurring in the course of the deflection of a chain that can be used for a passenger conveyor, in particular an escalator or a moving walkway, with at least one electric drive motor, possibly connected to at least one transmission, which is central or acts directly on the deflection wheel, the drive motor having at least one power supply unit, in particular a frequency converter, is connected so that the drive motor can be driven at a non-constant speed.
- AC asynchronous motors are usually used, which are brought into operative connection with a power supply unit, such as a frequency converter, so that the motor can be controlled in such a way that it rotates at a non-constant speed, which then, if necessary with the inclusion of a gear, in a corresponding manner Acts on the respective deflection wheel.
- a power supply unit such as a frequency converter
- the varying chain speeds that are present at the chain run-in are largely compensated for by the subject matter of the invention or there is an adaptation to them, so that the shocks given so far in the system are compensated for.
- Measured values are fed to a control device which, in a corresponding manner, forwards them to the frequency converter.
- those measured values can already be used which were measured in older escalators and moving walks which, prepared in a corresponding manner, result in a certain frequency in the heart, via which they are then controlled accordingly of the electric drive motor can be superimposed on the speed of the respective deflection wheel.
- the subject of the invention in addition to reducing the polygon effect, also considerably increases the smooth running of the passenger conveyor system without having to carry out any modifications on the mechanical side.
- Manufacturing tolerances of the deflection wheel and / or the chain can be saved by interpolation of the control device or the power supply unit, the monitoring of the phase angle or the chain rotation speed occurring in the operating state giving further intervention options which have a particularly positive effect if the transport speed between 0 and Maximum varies.
- the subject of the invention can be used in a variety of ways and is to be regarded as less expensive than conventional mechanical modifications in view of the constantly falling electrical or electronic components.
- the single figure shows a schematic diagram of an only indicated passenger conveyor system, for example an escalator 1.
- the following components can be seen:
- a deflection wheel 2 which is equipped with a plurality of teeth 3, a link chain 5 consisting of a plurality of links 4, and an electric drive motor which, if necessary, is in operative connection with a transmission (not shown here).
- the connection between the drive motor 6 and the deflection wheel 2 is through the drive member 7 shown.
- the running direction of the chain 5 or the deflection direction of the deflection wheel 2 is indicated by arrows.
- the polygon effects that occur when the chain 5 enters the deflection wheel 2 are now reduced according to the invention in that the speed of the deflection wheel 2 is superimposed on a different speed, so that the deflection wheel 2 rotates at a non-constant speed that corresponds to the mathematical function of the chain 5 Entry into the deflection wheel 2 corresponds as far as possible, whereby the impacts occurring due to the polygon effect in the overall system are minimized.
- a frequency converter 8 is operatively connected to the drive motor 6, which drives the drive motor 6 in such a way that it rotates at a non-constant speed and transmits this non-constant speed via the drive element 7 in an overlapping manner to the deflection wheel 2 becomes.
- a plurality of control parameters can be stored in a control device 9, which contain basic patterns of already existing escalators or moving walks, so that these basic settings can be used in standard designs.
- the frequency converter 8 can now be supplied with electrical measured values in such a way that the drive motor 6 is continuously controlled, for example at different rotational speeds of the chain 5 , can be brought about.
Landscapes
- Escalators And Moving Walkways (AREA)
- Attitude Control For Articles On Conveyors (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Warping, Beaming, Or Leasing (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19958709 | 1999-12-06 | ||
DE19958709A DE19958709C2 (de) | 1999-12-06 | 1999-12-06 | Verfahren und Einrichtung zur Reduzierung des Polygoneffektes im Umlenkbereich von Personenförderanlagen |
PCT/EP2000/010631 WO2001042122A1 (de) | 1999-12-06 | 2000-10-28 | Verfahren und einrichtung zur reduzierung des polygoneffektes im umlenkbereich von personenförderanlagen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1237809A1 true EP1237809A1 (de) | 2002-09-11 |
EP1237809B1 EP1237809B1 (de) | 2003-11-05 |
Family
ID=7931571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00974476A Expired - Lifetime EP1237809B1 (de) | 1999-12-06 | 2000-10-28 | Verfahren und einrichtung zur reduzierung des polygoneffektes im umlenkbereich von personenförderanlagen |
Country Status (15)
Country | Link |
---|---|
US (1) | US6637579B2 (de) |
EP (1) | EP1237809B1 (de) |
JP (1) | JP2003516290A (de) |
KR (1) | KR100478988B1 (de) |
CN (1) | CN1269721C (de) |
AT (1) | ATE253525T1 (de) |
AU (1) | AU1276801A (de) |
BR (1) | BR0016185B1 (de) |
DE (2) | DE19958709C2 (de) |
ES (1) | ES2208432T3 (de) |
HK (1) | HK1051352A1 (de) |
HU (1) | HU224594B1 (de) |
RU (1) | RU2247069C2 (de) |
SK (1) | SK286863B6 (de) |
WO (1) | WO2001042122A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10120767C2 (de) * | 1999-12-06 | 2003-03-13 | Kone Corp | Verfahren und Einrichtung zur Reduzierung des Polygoneffektes im Umlenkbereich von Personenförderanlagen |
WO2002088015A1 (de) | 2001-04-27 | 2002-11-07 | Kone Corporation | Verfahren und einrichtung zur reduzierung des polygoneffektes im umlenkbereich von personenförderanlagen |
DE10127587A1 (de) * | 2001-06-06 | 2002-12-19 | Kone Corp | Antriebseinrichtung für Rolltreppen bzw. Rollsteige |
US7296671B2 (en) | 2000-12-21 | 2007-11-20 | Kone Corporation | Drive system for escalators or moving walkways |
DE10218372A1 (de) * | 2002-04-25 | 2003-11-13 | Kone Corp | Antriebssystem für Rolltreppen oder Rollsteige |
DE10063844B4 (de) | 2000-12-21 | 2004-07-22 | Kone Corp. | Antriebssystem für Rolltreppen und Rollsteige |
DE10138462B4 (de) * | 2001-08-04 | 2004-09-30 | Kone Corp. | Verfahren zum Führen von Laschenketten im Bereich von Umlenkeinrichtungen einer Personenförderanlage |
JP4810030B2 (ja) * | 2001-09-26 | 2011-11-09 | 三菱電機株式会社 | 傾斜部高速エスカレータ |
DE10159095B4 (de) * | 2001-12-01 | 2004-10-28 | Kone Corp. | Einrichtung zur Reduzierung des Polygoneffektes im Umlenkbereich von Personenförderanlagen |
JP4107852B2 (ja) | 2002-02-28 | 2008-06-25 | 東芝エレベータ株式会社 | コンベア装置 |
DE10314724A1 (de) | 2003-03-31 | 2004-11-04 | Demag Cranes & Components Gmbh | Verfahren zum Vermindern des Polygoneffekts bei einem Kettentrieb, insbesondere bei einem Kettenzug, und Kettentrieb hierfür |
DE102005006447B4 (de) * | 2004-03-10 | 2021-02-11 | Sew-Eurodrive Gmbh & Co Kg | Verfahren zur Reduzierung des Polygoneffektes bei einem Kettenförderer, Vorrichtung und Kettenförderer |
US7195115B2 (en) * | 2005-07-15 | 2007-03-27 | Laitram, L.L.C. | Modular-belt conveyors with variable-speed drive motors |
FI119369B (fi) * | 2006-05-30 | 2008-10-31 | Kone Corp | Järjestely liukukäytävän käyttökoneistossa ja menetelmä liukukäytävän käsikaiteen kaidehihnan käyttöhihnan vaihtamiseksi |
JP5176223B2 (ja) * | 2006-07-04 | 2013-04-03 | インベンテイオ・アクテイエンゲゼルシヤフト | 乗客輸送装置用の駆動システム |
DE102008002455A1 (de) | 2008-06-16 | 2009-12-17 | Kone Corp. | Antriebskette mit Gleitbuchse |
DE102009017076B4 (de) * | 2009-04-09 | 2012-06-28 | Kone Corp. | Einrichtung zum Personentransport |
WO2010123490A1 (en) | 2009-04-20 | 2010-10-28 | Otis Elevator Company | A device and method for detecting a missing step of a conveyor |
KR101565465B1 (ko) | 2011-05-23 | 2015-11-04 | 오티스 엘리베이터 컴파니 | 체인 및 스프로켓 구동 시스템들을 위한 다각형 보상 커플링 |
EP2969878B1 (de) | 2013-03-15 | 2024-02-28 | Otis Elevator Company | Polygoneffekt ausgleichskupplungssystem für systeme mit kettenzahnradantrieb |
JP5886268B2 (ja) * | 2013-12-17 | 2016-03-16 | 東芝エレベータ株式会社 | 乗客コンベア |
EP3243788B1 (de) * | 2016-05-10 | 2020-03-04 | Otis Elevator Company | Personenförderanlage |
CN109641724B (zh) * | 2016-08-31 | 2020-11-06 | 因温特奥股份公司 | 移动步道、自动扶梯或升降梯的传动链条所用的链节 |
CN108439167B (zh) * | 2017-12-28 | 2020-01-07 | 上海三菱电梯有限公司 | 乘客输送装置及其电气驱动装置相位角的确定方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4082173A (en) * | 1976-06-10 | 1978-04-04 | Otis Elevator Company | Drive unit for an endless conveyor |
US4671783A (en) * | 1984-11-14 | 1987-06-09 | Seymour Timothy H | Wheel and chain power transmission machine |
SE8705051D0 (sv) * | 1987-12-18 | 1987-12-18 | Kjell Landaeus | Rullramp |
JPH03297792A (ja) * | 1990-04-18 | 1991-12-27 | Hitachi Ltd | 動力伝達装置及びそれに用いるスプロケット並びに乗客コンベア |
DE4100926A1 (de) * | 1991-01-15 | 1992-07-16 | Norbert Umlauf | Foerderer, insbesondere positionierfoerderer |
DE4229238C2 (de) * | 1991-09-24 | 1996-04-18 | Pwh Anlagen & Systeme Gmbh | Antriebs- und Führungseinrichtung für einen Stetigförderer |
ES2051680T1 (es) * | 1992-06-22 | 1994-07-01 | Zimmermann Marino | Carriles de soporte de plataformas asi como plataforma de introduccion con carriles de soporte de plataformas y via de transporte. |
US5697486A (en) * | 1994-11-14 | 1997-12-16 | Investio Ag | Device for the guidance of an endless belt for escalators or moving walkways |
US5595278A (en) * | 1995-04-28 | 1997-01-21 | Otis Elevator Company | Pallet for a conveyor |
US6070716A (en) * | 1995-05-26 | 2000-06-06 | Gilgen Fordersysteme Ag | Chain conveyor |
ATE219559T1 (de) * | 1997-09-08 | 2002-07-15 | Breco Antriebstechnik Breher G | Riementrieb |
NL1008069C2 (nl) * | 1998-01-19 | 1999-07-20 | Mcc Nederland | Transportmat alsmede systeem voor het transporteren van producten. |
DE10020787A1 (de) * | 1999-04-30 | 2001-01-04 | Otis Elevator Co | Betriebssteuergerät für eine Rolltreppe |
US6450317B1 (en) * | 2000-09-26 | 2002-09-17 | Otis Elevator Company | Escalator drive machine |
-
1999
- 1999-12-06 DE DE19958709A patent/DE19958709C2/de not_active Expired - Fee Related
-
2000
- 2000-10-28 CN CNB008167915A patent/CN1269721C/zh not_active Expired - Fee Related
- 2000-10-28 EP EP00974476A patent/EP1237809B1/de not_active Expired - Lifetime
- 2000-10-28 SK SK795-2002A patent/SK286863B6/sk not_active IP Right Cessation
- 2000-10-28 AT AT00974476T patent/ATE253525T1/de active
- 2000-10-28 BR BRPI0016185-3A patent/BR0016185B1/pt not_active IP Right Cessation
- 2000-10-28 RU RU2002118109/11A patent/RU2247069C2/ru not_active IP Right Cessation
- 2000-10-28 JP JP2001543430A patent/JP2003516290A/ja active Pending
- 2000-10-28 DE DE50004376T patent/DE50004376D1/de not_active Expired - Lifetime
- 2000-10-28 WO PCT/EP2000/010631 patent/WO2001042122A1/de active IP Right Grant
- 2000-10-28 KR KR10-2002-7007171A patent/KR100478988B1/ko not_active IP Right Cessation
- 2000-10-28 AU AU12768/01A patent/AU1276801A/en not_active Abandoned
- 2000-10-28 ES ES00974476T patent/ES2208432T3/es not_active Expired - Lifetime
- 2000-10-28 HU HU0203344A patent/HU224594B1/hu not_active IP Right Cessation
-
2002
- 2002-06-06 US US10/162,750 patent/US6637579B2/en not_active Expired - Lifetime
-
2003
- 2003-05-22 HK HK03103630A patent/HK1051352A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0142122A1 * |
Also Published As
Publication number | Publication date |
---|---|
SK286863B6 (sk) | 2009-06-05 |
US20020153224A1 (en) | 2002-10-24 |
US6637579B2 (en) | 2003-10-28 |
BR0016185B1 (pt) | 2012-12-11 |
AU1276801A (en) | 2001-06-18 |
DE19958709A1 (de) | 2001-06-13 |
DE19958709C2 (de) | 2001-10-25 |
BR0016185A (pt) | 2002-08-13 |
DE50004376D1 (de) | 2003-12-11 |
EP1237809B1 (de) | 2003-11-05 |
KR20020062319A (ko) | 2002-07-25 |
ATE253525T1 (de) | 2003-11-15 |
WO2001042122A1 (de) | 2001-06-14 |
SK7952002A3 (en) | 2002-10-08 |
JP2003516290A (ja) | 2003-05-13 |
ES2208432T3 (es) | 2004-06-16 |
RU2247069C2 (ru) | 2005-02-27 |
KR100478988B1 (ko) | 2005-03-31 |
HK1051352A1 (en) | 2003-08-01 |
CN1407946A (zh) | 2003-04-02 |
CN1269721C (zh) | 2006-08-16 |
HU224594B1 (hu) | 2005-11-28 |
RU2002118109A (ru) | 2004-01-27 |
HUP0203344A2 (en) | 2003-05-28 |
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