EP1412277A1 - Method for guiding plate link chains in the area of reversing devices of a pedestrian conveyor system - Google Patents

Method for guiding plate link chains in the area of reversing devices of a pedestrian conveyor system

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Publication number
EP1412277A1
EP1412277A1 EP02792561A EP02792561A EP1412277A1 EP 1412277 A1 EP1412277 A1 EP 1412277A1 EP 02792561 A EP02792561 A EP 02792561A EP 02792561 A EP02792561 A EP 02792561A EP 1412277 A1 EP1412277 A1 EP 1412277A1
Authority
EP
European Patent Office
Prior art keywords
chain
guide
area
plate link
sprocket
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
EP02792561A
Other languages
German (de)
French (fr)
Other versions
EP1412277B1 (en
Inventor
Alexander Pietz Dr.
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
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Filing date
Publication date
Application filed by Kone Corp filed Critical Kone Corp
Publication of EP1412277A1 publication Critical patent/EP1412277A1/en
Application granted granted Critical
Publication of EP1412277B1 publication Critical patent/EP1412277B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66B23/026—Driving gear with a drive or carrying sprocket wheel located at end portions
    • 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

Definitions

  • the invention relates to a method for guiding a drive chain containing link plates, guide rollers and connecting elements in the region of a deflection device of a passenger conveyor system formed by a chain wheel, in particular an escalator or a moving walkway, the guide rollers being supported on a guide profile at least on the chain wheel side.
  • EP-A 0 71 1 725 describes a device for guiding a belt continuum for escalators or moving walks, consisting of steps or pallets, of chain links which are connected to the adjacent chain links by means of chain pins and of chain rollers held by the chain pins, the Chain rollers on a track of a support rail and on a track of a compensation rail move and be deflected by a sprocket.
  • the raceway of the support rail and the raceway of the compensating rail are arranged outside a tangent extending in the running direction of the belt continuum to a sprocket circle of the sprocket, the raceway of the compensating rail being guided towards the sprocket circle at one end.
  • the chain here contains chain rollers provided in the end regions of the link plates.
  • DE-A 198 49 236 shows a method and a device for guiding a chain in the area of chain wheels of a continuous conveyor, in that the chain is fed straight to the respective chain or drive wheel, after the engagement of a first element of a first chain link of the chain space in the chain or drive wheel a constant adjustment of the effective chain radius is brought about by setting a constant speed in the chain center.
  • DE-A 1 7 56 81 3 shows a roller-step chain connection of escalators, in which the step pin lies between two joints of the drive chain of an escalator.
  • the rollers can be provided between two joints of the drive chain inside or outside the inner link plates or outer link plates.
  • the aim of the subject matter of the invention is to design a method and a device by means of which the polygon and circulation effects can be effectively reduced, so that the smooth running of the passenger conveyor system, in particular an escalator or a moving walkway, can be improved.
  • the goal is also achieved in that in those drive chains which have connecting elements in the articulation areas of the link plates and a guide roller mounted between the link plates is provided in the remaining free space, the guide profile is guided so far in the direction of the chain wheel that - seen in the running direction -
  • the connecting element of a front tab element first in one associated recording area is stored before the following guide role leaves the guide profile.
  • the method according to the invention ensures that, in the case of a drive chain, as is generally described in DE-A 17 56 813, when inserting and deflecting the drive chain in the area of the sprocket, no or no only insignificant polygon effects occur. Since the following guide roller, as seen in the direction of travel, is supported on the guide profile until, on the one hand, the preceding guide roller is elastically damped in the spherical cap and, on the other hand, the connecting element forming the end region of the preceding or initial region of the subsequent tabs is supported in the associated receptacle, Chain slack more, which would also lead to blows when the respective connecting element is introduced into the associated receiving area.
  • the selected technical adaptations to the chain and the sprocket bring about excellent running properties with the associated reduction in the polygon effect.
  • the drive chain can thus be easily guided horizontally into the area of the chain wheel.
  • Complex, possibly curve-like or tangentially provided guide elements for transporting the guide rollers into the area of the chain wheel are just as unnecessary as profiled raceways of compensating rails or the like.
  • the schematic diagram shows a deflection area 1 for a link chain 2.
  • the link chain 2 in this case contains parallel links 3 which are operatively connected to one another in their link areas 4, 5 via connecting elements 6, 7, forming link elements 3 '.
  • the connecting elements 6, 7 are formed by bolts 8, 9 and guide bushes 10, 1.
  • guide rollers 12 are provided approximately halfway up and are rotatable about an axis 13.
  • the link chain 2 is to be deflected in the deflection area 1, for example an escalator or a moving walk, not shown, around a sprocket 21 provided there, if possible without the known polygon and circulation effects.
  • the sprocket 21 has domes 14 for receiving the guide rollers 1 2.
  • a guide profile 16 is positioned, which is arranged so that a horizontal running of the link chain 2 is ensured up to the area of the sprocket 21.
  • the guide profile 16 On the sprocket side, the guide profile 16 has a beveled area 18 for the guide rollers 1 2 outside the raceway 17, by means of which it is made possible for the guide profile 16 to be provided with Predeterminable small distance from the teeth 19 of the sprocket 21 in the direction of the sprocket 21, or the teeth 19, respectively.
  • one of the connecting elements 7, or the socket 11 is first inserted into the associated receiving region 15 of the chain wheel 21 (A).
  • Each link element 3 ' is considered here separately, the method applying to the entire chain strand.
  • the guide roller 12 which is provided with an elastic profile (not shown) is then introduced into the associated calotte 14 (B).
  • the adjoining connecting element 6, or the socket 10 is only introduced into the associated receiving area 15 (C) when the present guide roller 12 is supported elastically.
  • the next guide roller 12 is guided on the guide profile 16 or the tip 20 of the same until the preceding bush 10 is noiseless or noiseless in the associated receiving area 1 5 is placed.
  • Each tab element 3 'thus seen in the running direction, forms a lever arm of length A-C formed about the respective pin axis 9'.

Abstract

A method and arrangement are provided for guiding a drive chain in an area of a reversing chain wheel of a pedestrian conveyor system. The drive chain contains plate link elements, connecting elements connecting the plate link elements in leading and trailing coupling areas of the respective plate link elements, and guide rolls respectively located in the spaces between the coupling areas. The arrangement is such that the drive chain is guided into the chain wheel so that, as seen in the direction of movement, the connecting element in a leading coupling area of one plate link element is guided into an associated reception area of the chain wheel. The guiding roll of that plate link element is then brought into a corresponding cap-shaped indentation of the reversing wheel. The connecting element of the trailing coupling area of same plate link element is guided into an associated reception area of the reversing wheel after the guiding roll of that plate link element is supported by the cap-shaped indentation in an elastically cushioned manner. The guiding roll of a subsequent plate link element, as seen in the direction of movement, is supported on a guiding profile until the connecting element in the trailing coupling area of the preceding plate link element is introduced into the associated reception area.

Description

Verfahren zum Führen von Laschenketten im Bereich von Umlenkeinrichtungen einer Personenförderanlage Method for guiding link chains in the area of deflection devices of a passenger conveyor system
Die Erfindung betrifft ein Verfahren zum Führen einer Laschen, Führungsrollen und Verbindungselemente beinhaltenden Antriebskette im Bereich einer durch ein Kettenrad gebildeten Umlenkeinrichtung einer Personenförderanlage, insbesondere einer Rolltreppe oder eines Rollsteiges, wobei die Führungsrollen zumindest kettenradseitig auf einem Führungsprofil abgestützt werden.The invention relates to a method for guiding a drive chain containing link plates, guide rollers and connecting elements in the region of a deflection device of a passenger conveyor system formed by a chain wheel, in particular an escalator or a moving walkway, the guide rollers being supported on a guide profile at least on the chain wheel side.
Bei der Umlenkung der Antriebsketten von Personenförderanlagen durch eine ein Kettenrad beinhaltende Umlenkeinrichtung treten unerwünschte Polygon- und Umlaufeffekte auf, die sich insbesondere auf die Laufruhe der Personenförderanlage negativ auswirken. Der Polygoneffekt entsteht durch die vieleckförmige Auflage der Kette auf dem Kettenrad. Mit wachsendem Drehwinkel variiert der wirksame Radius am Kettenrad, wodurch die Kettengeschwindigkeit zwischen einem Maximal- und einem Minimalwert schwankt. Beim Kettenradeingriff weisen die Kettenrollen und die Zähne des Kettenrades unterschiedliche Geschwindigkeiten auf, was Stöße zur Folge hat. Der Umlaufeffekt ist eine Folge des Drehimpulses der vom Kettenrad auf die Kettenglieder und somit die Stufen oder Paletten bei einer Rolltreppe oder einem Rollsteig übertragen wird. In der Vergangenheit wurde durch unterschiedlichste Lösungsansätze versucht, das Problem des Polygoneffektes bei der Umlenkung von Antriebsketten um Kettenräder zumindest zu mildern.When the drive chains of passenger conveyor systems are deflected by a deflection device that includes a chain wheel, undesirable polygon and circulation effects occur, which have a negative effect in particular on the smooth running of the passenger conveyor system. The polygon effect is created by the polygonal 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 sprocket to the chain links and thus the steps or pallets on an escalator or moving walk. In the past, various solutions have been used to at least alleviate the problem of the polygon effect when deflecting drive chains around sprockets.
In der EP-A 0 71 1 725 wird eine Einrichtung zur Führung eines Bandkontinuums für Fahrtreppen oder Fahrsteige beschrieben, bestehend aus Stufen oder Paletten, aus Kettengliedern, die mit den benachbarten Kettengliedern mittels Kettenbolzen verbunden sind und aus von den Kettenbolzen gehaltenen Kettenrollen, wobei die Kettenrollen auf einer Laufbahn einer Stützschiene und auf einer Laufbahn einer Ausgleichsschiene verfahren und von einem Kettenrad umgelenkt werden. Die Laufbahn der Stützschiene und die Laufbahn der Ausgleichsschiene sind außerhalb einer sich in Laufrichtung des Bandkontinuums erstreckenden Tangente an einen Kettenradkreis des Kettenrades angeordnet, wobei die Laufbahn der Ausgleichsschiene an einem Ende zum Kettenradkreis hin geführt ist. Die Kette beinhaltet hierbei in den Endbereichen der Laschen vorgesehene Kettenrollen.EP-A 0 71 1 725 describes a device for guiding a belt continuum for escalators or moving walks, consisting of steps or pallets, of chain links which are connected to the adjacent chain links by means of chain pins and of chain rollers held by the chain pins, the Chain rollers on a track of a support rail and on a track of a compensation rail move and be deflected by a sprocket. The raceway of the support rail and the raceway of the compensating rail are arranged outside a tangent extending in the running direction of the belt continuum to a sprocket circle of the sprocket, the raceway of the compensating rail being guided towards the sprocket circle at one end. The chain here contains chain rollers provided in the end regions of the link plates.
Der DE-A 198 49 236 ist ein Verfahren und eine Einrichtung zum Führen einer Kette im Bereich von Kettenrädern eines Stetigförderers zu entnehmen, indem die Kette dem jeweiligen Ketten- bzw. Antriebsrad geradlinig zugeführt wird, wobei nach dem Eingriff eines ersten Elementes eines ersten Kettengliedes des Kettenrums in das Ketten- bzw. Antriebsrad eine stetige Anpassung des wirksamen Kettenradius bei Einstellung einer konstanten Geschwindigkeit im Kettentrum herbeigeführt wird. Alternativ wird vorgeschlagen, die Kette dem jeweiligen Ketten- bzw. Antriebsrad geradlinig zuzuführen und zunächst ein erstes Element eines ersten Kettengliedes des Kettentrums in Eingriff mit dem Ketten- bzw. Antriebsrad zu bringen, wobei die Umlenkung des ersten Kettengliedes durch das Kettenrad erst dann erfolgt, nachdem ein zweites Element des ersten Kettengliedes durch Eingriff in das Kettenrad positioniert worden ist und wobei die weiteren Kettenglieder des Kettentrums in gleicher Weise in das Kettenrad eingebracht und umgelenkt werden. Die Kettenrollen können hierbei ähnlich, wie vorab beschriebenen, im Anlenkbereich einzelner Laschen, zwischen selbigen geführt, vorgesehen oder aber außerhalb der Laschen positioniert werden.DE-A 198 49 236 shows a method and a device for guiding a chain in the area of chain wheels of a continuous conveyor, in that the chain is fed straight to the respective chain or drive wheel, after the engagement of a first element of a first chain link of the chain space in the chain or drive wheel a constant adjustment of the effective chain radius is brought about by setting a constant speed in the chain center. Alternatively, it is proposed to feed the chain to the respective chain or drive wheel in a straight line and first to bring a first element of a first chain link of the chain center into engagement with the chain or drive wheel, the deflection of the first chain link by the chain wheel only then taking place, after a second element of the first chain link has been positioned by engagement in the chain wheel and the further chain links of the chain center are introduced and deflected in the chain wheel in the same way. The chain rollers can be guided, provided in the articulation area of individual plates, between the same, as described above, or else positioned outside the plates.
Der DE-A 1 7 56 81 3 ist eine Laufrollen-Stufenketten-Verbindung von Fahrtreppen zu entnehmen, bei der der Stufenbolzen zwischen zwei Gelenken der Antriebskette einer Fahrtreppe liegt. Die Laufrollen können zwischen zwei Gelenken der Antriebskette innerhalb oder außerhalb der Innenlaschen oder Außenlaschen vorgesehen werden. Eine derartige Lösung ist im Hinblick auf gewünschte Vergrößerungen der Kettenteilung nicht realisierbar, ohne auch Änderungen am Kettenrad vorzunehmen. Ohne selbige würden die sich dann einstellenden Polygon- und Umlenkeffekte kaum mehr beherrschbar sein.DE-A 1 7 56 81 3 shows a roller-step chain connection of escalators, in which the step pin lies between two joints of the drive chain of an escalator. The rollers can be provided between two joints of the drive chain inside or outside the inner link plates or outer link plates. Such a solution is with regard to Desired enlargements of the chain pitch cannot be achieved without making changes to the chain wheel. Without it, the resulting polygon and redirection effects would hardly be manageable.
Ziel des Erfindungsgegenstandes ist es, ein Verfahren und eine Einrichtung zu konzipieren, mittels welchen die Polygon- und Umlaufeffekte wirksam verringert werden können, so daß die Laufruhe der Personenförderanlage, wie insbesondere einer Rolltreppe oder eines Rollsteiges, verbessert werden kann.The aim of the subject matter of the invention is to design a method and a device by means of which the polygon and circulation effects can be effectively reduced, so that the smooth running of the passenger conveyor system, in particular an escalator or a moving walkway, can be improved.
Dieses Ziel wird verfahrensgemäß dadurch erreicht, daß bei denjenigen Antriebsketten, die in den Anlenkbereichen der Laschen Verbindungselemente aufweisen und im verbleibenden Freiraum eine zwischen den Laschen gelagerte Führungsrolle vorgesehen ist, die Antriebskette dergestalt in das Kettenrad eingeführt wird, daß - in Laufrichtung gesehen - zunächst das vordere Verbindungselement eines jeden Laschenelementes in einen zugehörigen Aufnahmebereich und anschließend die Führungsrolle in eine korrespondierende Kalotte eingebracht wird und das hintere Verbindungselement erst dann in den zugehörigen Aufnahmebereich eingeführt wird, wenn die Führungsrolle elastisch gedämpft in der Kalotte abgestützt ist.This goal is achieved according to the method in that in those drive chains which have connecting elements in the articulation areas of the link plates and a guide roller mounted between the link plates is provided in the remaining free space, the drive chain is introduced into the chain wheel in such a way that - as seen in the direction of travel - initially that front connecting element of each tab element in an associated receiving area and then the guide roller is introduced into a corresponding calotte and the rear connecting element is only inserted into the associated receiving area when the guide roller is supported in the calotte in an elastically damped manner.
Vorteilhafte Weiterbildungen des erfindungsgemäßen Verfahrens sind den zugehörigen Unteransprüchen zu entnehmen.Advantageous developments of the method according to the invention can be found in the associated subclaims.
Einrichtungsgemäß wird das Ziel auch dadurch erreicht, daß bei denjenigen Antriebsketten, die in den Anlenkbereichen der Laschen Verbindungselemente aufweisen und im verbleibenden Freiraum eine zwischen den Laschen gelagerte Führungsrolle vorgesehen ist, das Führungsprofil so weit in Richtung des Kettenrades geführt ist, daß - in Laufrichtung gesehen - das Verbindungselement eines vorderen Laschenelementes zunächst in einem zugehörigen Aufnahmebereich abgelegt ist, ehe die folgende Führungsrolle das Führungsprofil verläßt.In terms of equipment, the goal is also achieved in that in those drive chains which have connecting elements in the articulation areas of the link plates and a guide roller mounted between the link plates is provided in the remaining free space, the guide profile is guided so far in the direction of the chain wheel that - seen in the running direction - The connecting element of a front tab element first in one associated recording area is stored before the following guide role leaves the guide profile.
Vorteilhafte Weiterbildungen der erfindungsgemäßen Einrichtung sind den zugehörigen Unteransprüchen zu entnehmen.Advantageous developments of the device according to the invention can be found in the associated subclaims.
Durch das erfindungsgemäße Verfahren, respektive die erfindungsgemäße Einrichtung, wird abweichend zum Stand der Technik sichergestellt, daß bei einer Antriebskette, wie sie allgemein in der DE-A 17 56 813 beschrieben wird, beim Einführen und Umlenken der Antriebskette im Bereich des Kettenrades nun keine oder nur noch unwesentliche Polygoneffekte auftreten. Da die in Laufrichtung gesehen folgende Führungsrolle so lange auf dem Führungsprofil abgestützt ist, bis einerseits die vorangehende Führungsrolle elastisch gedämpft in der Kalotte und andererseits das den Endbereich der vorangehenden, respektive Anfangsbereich der nachfolgenden Laschen bildende Verbindungselement in der zugehörigen Aufnehmung abgestützt ist, findet u.a. kein Kettendurchhang mehr statt, der auch zu Schlägen bei der Einbringung des jeweiligen Verbindungselementes in den zugehörigen Aufnahmebereich führen würde. Durch den Erfindungsgegenstand werden durch die gewählten technischen Anpassungen an der Kette sowie dem Kettenrad, bezüglich der gegebenen unterschiedlichen Geschwindigkeiten von Kette und Kettenrad, hervorragende Laufeigenschaften mit der damit einhergehenden Reduzierung des Polygoneffektes herbeigeführt. Die Antriebskette kann somit in einfacher Weise horizontal bis in den Bereich des Kettenrades geführt werden. Aufwendige, ggf. kurvenartige oder tangential vorgesehene Führungselemente zum Transportieren der Führungsrollen in den Bereich des Kettenrades sind ebenso entbehrlich, wie profiliert ausgebildete Laufbahnen von Ausgleichsschienen oder dergleichen. Durch den Erfindungsgegenstand werden die mit der Umlenkung von Antriebsketten von Personenförderanlagen, wie z.B. Rolltreppen oder Rollsteigen, durch ein Kettenrad auftretenden Polygon- und Umlaufeffekte ohne größeren konstruktiven Aufwand nun auch bei Antriebsketten mit mittig zwischen einzelnen Laschenelementen geführten Führungsrollen wirksam gemindert, so daß die Laufruhe der Personenförderanlage erhöht werden kann.In contrast to the prior art, the method according to the invention, or the device according to the invention, ensures that, in the case of a drive chain, as is generally described in DE-A 17 56 813, when inserting and deflecting the drive chain in the area of the sprocket, no or no only insignificant polygon effects occur. Since the following guide roller, as seen in the direction of travel, is supported on the guide profile until, on the one hand, the preceding guide roller is elastically damped in the spherical cap and, on the other hand, the connecting element forming the end region of the preceding or initial region of the subsequent tabs is supported in the associated receptacle, Chain slack more, which would also lead to blows when the respective connecting element is introduced into the associated receiving area. Through the subject of the invention, the selected technical adaptations to the chain and the sprocket, with regard to the different speeds of the chain and sprocket, bring about excellent running properties with the associated reduction in the polygon effect. The drive chain can thus be easily guided horizontally into the area of the chain wheel. Complex, possibly curve-like or tangentially provided guide elements for transporting the guide rollers into the area of the chain wheel are just as unnecessary as profiled raceways of compensating rails or the like. The subject of the invention, the polygon and rotating effects occurring with the deflection of drive chains of passenger conveyor systems, such as escalators or moving walkways, by a chain wheel, are now effectively reduced even with drive chains with guide rollers guided centrally between individual link elements, so that the running smoothness of the Passenger conveyor system can be increased.
Der Erfindungsgegenstand ist anhand eines Ausführungsbeispiels in der Zeichnung dargestellt und wird wie folgt beschrieben.The subject matter of the invention is illustrated in the drawing using an exemplary embodiment and is described as follows.
Die Prinzipskizze zeigt einen Umlenkbereich 1 für eine Laschenkette 2. Die Laschenkette 2 beinhaltet hierbei parallel geführte einzelne Laschen 3, die in ihren Anlenkbereichen 4,5 über Verbindungselemente 6,7, Laschenelemente 3' bildend, miteinander in Wirkverbindung stehen. Die Verbindungselemente 6,7 werden hierbei gebildet durch Bolzen 8,9 sowie Führungsbuchsen 10,1 1 . Zwischen den Anlenkbereichen 4,5 der parallelen einzelnen Laschen 3 sind etwa auf halber Höhe Führungsrollen 12 vorgesehen, die um eine Achse 13 drehbar sind. Die Laschenkette 2 soll im Umlenkbereich 1 , beispielsweise einer nicht weiter dargestellten Rolltreppe oder eines Rollsteiges, um ein dort vorgesehenes Kettenrad 21 , möglichst ohne die bekannten Polygon- und Umlaufeffekte, umgelenkt werden. Das Kettenrad 21 verfügt über Kalotten 14 zur Aufnahme der Führungsrollen 1 2. Zwischen den Kalotten 14 sind Aufnahmebereiche 1 5 zur Aufnahme und Führung der Verbindungselemente 6,7, respektive der Buchsen 10,1 1 , vorgesehen. Die Laufrichtung der Laschenkette 2 ist durch einen Pfeil angedeutet, gleiches gilt für das Kettenrad 21 . Vor dem Kettenrad 21 ist ein Führungsprofil 1 6 positioniert, das so angeordnet ist, daß ein horizontaler Lauf der Laschenkette 2 bis in den Bereich des Kettenrades 21 sichergestellt ist. Kettenradseitig weist das Führungsprofil 16 außerhalb der Laufbahn 17 für die Führungsrollen 1 2 einen abgeschrägten Bereich 18 auf, durch den es ermöglicht wird, daß das Führungsprofil 16 mit vorgebbarem geringen Abstand zu den Zähnen 19 des Kettenrades 21 in Richtung des Kettenrades 21 , respektive der Zähne 19, vorgeschoben werden kann. Vom Verfahrensablauf her geschieht erfindungsgemäß folgendes:The schematic diagram shows a deflection area 1 for a link chain 2. The link chain 2 in this case contains parallel links 3 which are operatively connected to one another in their link areas 4, 5 via connecting elements 6, 7, forming link elements 3 '. The connecting elements 6, 7 are formed by bolts 8, 9 and guide bushes 10, 1. Between the articulation areas 4, 5 of the parallel individual tabs 3, guide rollers 12 are provided approximately halfway up and are rotatable about an axis 13. The link chain 2 is to be deflected in the deflection area 1, for example an escalator or a moving walk, not shown, around a sprocket 21 provided there, if possible without the known polygon and circulation effects. The sprocket 21 has domes 14 for receiving the guide rollers 1 2. Between the domes 14 there are receiving regions 15 for receiving and guiding the connecting elements 6, 7, or the bushes 10, 1, 1. The running direction of the link chain 2 is indicated by an arrow, the same applies to the sprocket 21. In front of the sprocket 21, a guide profile 16 is positioned, which is arranged so that a horizontal running of the link chain 2 is ensured up to the area of the sprocket 21. On the sprocket side, the guide profile 16 has a beveled area 18 for the guide rollers 1 2 outside the raceway 17, by means of which it is made possible for the guide profile 16 to be provided with Predeterminable small distance from the teeth 19 of the sprocket 21 in the direction of the sprocket 21, or the teeth 19, respectively. In terms of the procedure, the following occurs according to the invention:
In Laufrichtung der Laschenkette 2 gesehen wird zunächst eines der Verbindungselemente 7, respektive die Buchse 1 1 , in den zugehörigen Aufnahmebereich 1 5 des Kettenrades 21 eingeführt (A). Betrachtet wird hier ein jedes Laschenelement 3' für sich, wobei das Verfahren für den gesamten Kettenstrang gilt. Im weiteren Verlauf der Umlenkung wird anschließend die mit einem elastischen Profil (nicht dargestellt) versehene Führungsrolle 12 in die zugehörige Kalotte 14 eingebracht (B). Das sich daran anschließende Verbindungselement 6, respektive die Buchse 10, wird erst dann in den zugehörigen Aufnahmebereich 1 5 eingebracht (C), wenn die vorliegende Führungsrolle 12 elastisch abgestützt ist. Zur Vermeidung eines möglichen Kettendurchhanges zwischen dem Führungsprofil 16 und der folgenden Kalotte 14 wird die nächste Führungsrolle 12 so lange auf dem Führungsprofil 1 6 bzw. der Spitze 20 desselben geführt (D), bis die vorangehende Buchse 10 geräuscharm bzw. geräuschlos im zugehörigen Aufnahmebereich 1 5 plaziert ist. Ein jedes Laschenelement 3' bildet somit, in Laufrichtung gesehen, einen um die jeweilige Bolzenachse 9' gebildeten Hebelarm der Länge A-C.Seen in the running direction of the link chain 2, one of the connecting elements 7, or the socket 11, is first inserted into the associated receiving region 15 of the chain wheel 21 (A). Each link element 3 'is considered here separately, the method applying to the entire chain strand. In the further course of the deflection, the guide roller 12, which is provided with an elastic profile (not shown), is then introduced into the associated calotte 14 (B). The adjoining connecting element 6, or the socket 10, is only introduced into the associated receiving area 15 (C) when the present guide roller 12 is supported elastically. To avoid a possible chain sag between the guide profile 16 and the following cap 14, the next guide roller 12 is guided on the guide profile 16 or the tip 20 of the same until the preceding bush 10 is noiseless or noiseless in the associated receiving area 1 5 is placed. Each tab element 3 'thus, seen in the running direction, forms a lever arm of length A-C formed about the respective pin axis 9'.
Infolge der gewählten Ausführung werden Polygon- und Umlenkeffekte wirksam reduziert, wodurch eine erhebliche Steigerung der Laufruhe bewirkt wird. As a result of the selected design, polygon and deflection effects are effectively reduced, which results in a significant increase in smoothness.

Claims

P a t e n t a n s p r ü c h e Patent claims
1 . Verfahren zum Führen einer Laschen (3), Führungsrollen (1 2) und Verbindungselemente (6,7) beinhaltenden Antriebskette (2) im Bereich einer durch ein Kettenrad (21 ) gebildeten Umlenkeinrichtung (1 ) einer Personenförderanlage, insbesondere einer Rolltreppe oder eines Rollsteiges, wobei die Führungsrollen (12) zumindest kettenradseitig auf einem Führungsprofil (16) abgestützt werden, dadurch gekennzeichnet, daß bei denjenigen Antriebsketten (2), die in den Anlenkbereichen (4,5) der Laschen (3) Verbindungselemente (6,7) aufweisen und in den verbleibenden Freiraum eine zwischen den Laschen (3) gelagerte Führungsrolle (12) vorgesehen ist, die Antriebskette (2) dergestalt in das Kettenrad (21 ) eingeführt wird, daß - in Laufrichtung gesehen - zunächst das vordere Verbindungselement (7) eines jeden Laschenelementes (3') in. einen zugehörigen Aufnahmebereich (1 5) und anschließend die Führungsrolle (12) in eine korrespondierende Kalotte (14) eingebracht wird und das hintere Verbindungselement (6) erst dann in den zugehörigen Aufnahmebereich (1 5) eingeführt wird, wenn die Führungsrolle (1 2) elastisch gedämpft in der Kalotte (14) abgestützt ist.1 . Method for guiding a link plate (3), drive chain (2) containing guide rollers (1 2) and connecting elements (6, 7) in the area of a deflection device (1) formed by a chain wheel (21) of a passenger conveyor system, in particular an escalator or a moving walkway, wherein the guide rollers (12) are supported at least on the sprocket side on a guide profile (16), characterized in that those drive chains (2) which have connecting elements (6, 7) in the articulation areas (4, 5) of the plates (3) and In the remaining free space between the brackets (3) mounted guide roller (12) is provided, the drive chain (2) is inserted into the sprocket (21) in such a way that - seen in the direction of travel - first the front connecting element (7) of each bracket element (3 ') in. An associated receiving area (1 5) and then the guide roller (12) is introduced into a corresponding calotte (14) and the rear Ver Binding element (6) is only introduced into the associated receiving area (1 5) when the guide roller (1 2) is supported in the calotte (14) in an elastically damped manner.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, daß die Führungsrolle (12) des, in Laufrichtung gesehenen, folgenden Laschenelementes (3') so lange auf dem Führungsprofil (16) abgestützt wird, bis das hintere Verbindungselement (6) des davor liegenden Laschenelementes (3') im zugehörigen Aufnahmebereich (15) eingebracht ist.2. The method according to claim 1, characterized in that the guide roller (12), seen in the running direction, the following tab element (3 ') is supported on the guide profile (16) until the rear connecting element (6) of the tab element in front (3 ') in the associated receiving area (15).
3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Antriebskette (2) horizontal in das Kettenrad (21 ) eingeführt wird. 3. The method according to claim 1 or 2, characterized in that the drive chain (2) is inserted horizontally into the sprocket (21).
. Einrichtung zum Führen einer Laschen (3), Führungsrollen (12) und Verbindungselemente (6,7) beinhaltenden Antriebskette (2) im Bereich einer durch ein Kettenrad (21 ) gebildeten Umlenkeinrichtung (1 ) einer Personenförderanlage, insbesondere einer Rolltreppe oder eines Rollsteiges, wobei die Führungsrollen (12) zumindest kettenradseitig auf einem Führungsprofil (16) abgestützt sind, dadurch gekennzeichnet, daß bei denjenigen Antriebsketten (2), die in den Anlenkbereichen (4,5) der Laschen (3) Verbindungselemente (6,7) aufweisen und im verbleibenden Freiraum eine zwischen den Laschen (3) gelagerte Führungsrolle (12) vorgesehen ist, das Führungsprofil (16) so weit in Richtung des Kettenrades (21 ) geführt ist, daß - in Laufrichtung gesehen - das Verbindungselement (7) eines vorderen Laschenelementes (3') zunächst in einem zugehörigen Aufnahmebereich (1 5) abgelegt ist, ehe die folgende Führungsrolle (1 2) das Führungsprofil (16) verläßt., Device for guiding a link (3), guide rollers (12) and connecting elements (6, 7) containing drive chain (2) in the area of a deflection device (1) formed by a chain wheel (21) of a passenger conveyor system, in particular an escalator or a moving walkway, wherein the guide rollers (12) are supported at least on the sprocket side on a guide profile (16), characterized in that in those drive chains (2) which have connecting elements (6, 7) in the articulation areas (4, 5) of the plates (3) and in The remaining free space is a guide roller (12) mounted between the tabs (3), the guide profile (16) is guided so far in the direction of the chain wheel (21) that - seen in the direction of travel - the connecting element (7) of a front link element (3 ') is first stored in an associated receiving area (1 5) before the following guide roller (1 2) leaves the guide profile (16).
5. Einrichtung nach Anspruch 4, dadurch gekennzeichnet, daß das Führungsprofil (16) kettenradseitig außerhalb der Laufbahn (17) der Führungsrollen (12) einen sich verjüngenden Bereich (1 8) aufweist.5. Device according to claim 4, characterized in that the guide profile (16) on the sprocket side outside the raceway (17) of the guide rollers (12) has a tapering region (1 8).
6. Einrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß das Führungsprofil (16) horizontal in Richtung des Kettenrades (21 ) mit geringem Abstand zu den Zähnen (19) desselben verläuft.6. Device according to claim 4 or 5, characterized in that the guide profile (16) extends horizontally in the direction of the sprocket (21) with a small distance to the teeth (19) of the same.
7. Einrichtung nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, daß die Führungsrollen (12) zumindest laufflächenseitig mit einem elastisch dämpfenden Profil vorgebbarer Shore-Härte versehen sind. 7. Device according to one of claims 4 to 6, characterized in that the guide rollers (12) are provided at least on the tread side with an elastically damping profile of a predetermined Shore hardness.
EP02792561A 2001-08-04 2002-07-13 Method for guiding plate link chains in the area of reversing devices of a pedestrian conveyor system Expired - Lifetime EP1412277B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10138462 2001-08-04
DE10138462A DE10138462B4 (en) 2001-08-04 2001-08-04 Method for guiding link chains in the area of deflection devices of a passenger conveyor system
PCT/EP2002/007811 WO2003013997A1 (en) 2001-08-04 2002-07-13 Method for guiding plate link chains in the area of reversing devices of a pedestrian conveyor system

Publications (2)

Publication Number Publication Date
EP1412277A1 true EP1412277A1 (en) 2004-04-28
EP1412277B1 EP1412277B1 (en) 2006-10-11

Family

ID=7694493

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02792561A Expired - Lifetime EP1412277B1 (en) 2001-08-04 2002-07-13 Method for guiding plate link chains in the area of reversing devices of a pedestrian conveyor system

Country Status (8)

Country Link
US (1) US6834754B2 (en)
EP (1) EP1412277B1 (en)
JP (1) JP4122288B2 (en)
CN (1) CN1241817C (en)
AT (1) ATE342221T1 (en)
DE (2) DE10138462B4 (en)
ES (1) ES2269795T3 (en)
WO (1) WO2003013997A1 (en)

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Also Published As

Publication number Publication date
US20040168891A1 (en) 2004-09-02
JP2004536755A (en) 2004-12-09
CN1538932A (en) 2004-10-20
DE10138462A1 (en) 2003-02-27
EP1412277B1 (en) 2006-10-11
JP4122288B2 (en) 2008-07-23
DE50208424D1 (en) 2006-11-23
US6834754B2 (en) 2004-12-28
ES2269795T3 (en) 2007-04-01
ATE342221T1 (en) 2006-11-15
WO2003013997A1 (en) 2003-02-20
CN1241817C (en) 2006-02-15
DE10138462B4 (en) 2004-09-30

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