EP1237809A1 - Procede et dispositif pour la reduction de l'effet polygonal dans la zone d'inversion de systemes transporteurs de personnes - Google Patents

Procede et dispositif pour la reduction de l'effet polygonal dans la zone d'inversion de systemes transporteurs de personnes

Info

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
Application number
EP00974476A
Other languages
German (de)
English (en)
Other versions
EP1237809B1 (fr
Inventor
Alexander Pietz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kone Corp
Original Assignee
Kone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kone Corp filed Critical Kone Corp
Publication of EP1237809A1 publication Critical patent/EP1237809A1/fr
Application granted granted Critical
Publication of EP1237809B1 publication Critical patent/EP1237809B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

Procédé permettant de réduire l'effet polygonal se présentant au cours de l'inversion d'une chaîne pouvant être utilisée pour un transporteur de personnes, en particulier pour un escalier roulant ou un trottoir roulant. A cet effet, une vitesse de rotation différente est superposée à la vitesse de rotation de la roue d'inversion par l'intermédiaire d'un entraînement électrique agissant directement ou indirectement sur ladite roue d'inversion
EP00974476A 1999-12-06 2000-10-28 Procede et dispositif pour la reduction de l'effet polygonal dans la zone d'inversion de systemes transporteurs de personnes Expired - Lifetime EP1237809B1 (fr)

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 (fr) 1999-12-06 2000-10-28 Procede et dispositif pour la reduction de l'effet polygonal dans la zone d'inversion de systemes transporteurs de personnes

Publications (2)

Publication Number Publication Date
EP1237809A1 true EP1237809A1 (fr) 2002-09-11
EP1237809B1 EP1237809B1 (fr) 2003-11-05

Family

ID=7931571

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00974476A Expired - Lifetime EP1237809B1 (fr) 1999-12-06 2000-10-28 Procede et dispositif pour la reduction de l'effet polygonal dans la zone d'inversion de systemes transporteurs de personnes

Country Status (15)

Country Link
US (1) US6637579B2 (fr)
EP (1) EP1237809B1 (fr)
JP (1) JP2003516290A (fr)
KR (1) KR100478988B1 (fr)
CN (1) CN1269721C (fr)
AT (1) ATE253525T1 (fr)
AU (1) AU1276801A (fr)
BR (1) BR0016185B1 (fr)
DE (2) DE19958709C2 (fr)
ES (1) ES2208432T3 (fr)
HK (1) HK1051352A1 (fr)
HU (1) HU224594B1 (fr)
RU (1) RU2247069C2 (fr)
SK (1) SK286863B6 (fr)
WO (1) WO2001042122A1 (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
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
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
US7296671B2 (en) 2000-12-21 2007-11-20 Kone Corporation Drive system for escalators or moving walkways
DE10127587A1 (de) * 2001-06-06 2002-12-19 Kone Corp Antriebseinrichtung für Rolltreppen bzw. Rollsteige
EP1381556A1 (fr) 2001-04-27 2004-01-21 Kone Corporation Procede et dispositif pour reduire l'effet polygone dans la zone de renvoi de systemes de transport de passagers
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 (fr) 2009-04-20 2010-10-28 Otis Elevator Company Dispositif et procédé de détection d'absence de plateau mobile d'escalier ou de trottoir roulant
US9599201B2 (en) 2011-05-23 2017-03-21 Otis Elevator Company Polygon compensation coupling for chain and sprocket driven systems
EP2969878B1 (fr) 2013-03-15 2024-02-28 Otis Elevator Company Système de couplage de compensation d'effet polygone pour systèmes entraînés par chaîne et pignon
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 (fr) * 2016-05-10 2020-03-04 Otis Elevator Company Transporteur de passagers
KR102395689B1 (ko) * 2016-08-31 2022-05-06 인벤티오 아게 이동식 보도, 에스컬레이트 또는 리프트의 고 탄성적인 컨베이어 체인을 위한 체인 링크
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

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US4671783A (en) * 1984-11-14 1987-06-09 Seymour Timothy H Wheel and chain power transmission machine
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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
DE59308954D1 (de) * 1992-06-22 1998-10-08 Slide In S A Palettentragschiene sowie einschubregal mit palettentragschienen und transportbahn
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
AU707343B2 (en) * 1995-05-26 1999-07-08 Gilgen Fordersysteme Ag Chain conveyor
ES2179406T3 (es) * 1997-09-08 2003-01-16 Breco Antriebstechnik Breher G Transmision de correa.
NL1008069C2 (nl) * 1998-01-19 1999-07-20 Mcc Nederland Transportmat alsmede systeem voor het transporteren van producten.
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Also Published As

Publication number Publication date
HUP0203344A2 (en) 2003-05-28
RU2247069C2 (ru) 2005-02-27
DE50004376D1 (de) 2003-12-11
HU224594B1 (hu) 2005-11-28
ES2208432T3 (es) 2004-06-16
HK1051352A1 (en) 2003-08-01
US20020153224A1 (en) 2002-10-24
JP2003516290A (ja) 2003-05-13
DE19958709C2 (de) 2001-10-25
EP1237809B1 (fr) 2003-11-05
RU2002118109A (ru) 2004-01-27
AU1276801A (en) 2001-06-18
KR100478988B1 (ko) 2005-03-31
US6637579B2 (en) 2003-10-28
KR20020062319A (ko) 2002-07-25
CN1407946A (zh) 2003-04-02
CN1269721C (zh) 2006-08-16
BR0016185B1 (pt) 2012-12-11
ATE253525T1 (de) 2003-11-15
SK286863B6 (sk) 2009-06-05
SK7952002A3 (en) 2002-10-08
WO2001042122A1 (fr) 2001-06-14
BR0016185A (pt) 2002-08-13
DE19958709A1 (de) 2001-06-13

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