EP2189412B1 - Escalator or travelator - Google Patents

Escalator or travelator Download PDF

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Publication number
EP2189412B1
EP2189412B1 EP09174572A EP09174572A EP2189412B1 EP 2189412 B1 EP2189412 B1 EP 2189412B1 EP 09174572 A EP09174572 A EP 09174572A EP 09174572 A EP09174572 A EP 09174572A EP 2189412 B1 EP2189412 B1 EP 2189412B1
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EP
European Patent Office
Prior art keywords
escalator
frame
chain
tensioning station
moving walkway
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
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EP09174572A
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German (de)
French (fr)
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EP2189412A1 (en
Inventor
Jens Böge
Reiner Ludwig
Frank Neerhut
Michael Dr.-Ing. Tilkorn
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TK Elevator Innovation Center SA
Original Assignee
ThyssenKrupp Elevator Innovation Center SA
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Publication of EP2189412A1 publication Critical patent/EP2189412A1/en
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/16—Means allowing tensioning of the endless member
    • B66B23/18—Means allowing tensioning of the endless member for carrying surfaces

Definitions

  • the invention relates to an escalator or moving walk, according to the preamble of claim 1.
  • Escalators and moving walks have tensioning chains on which step belts or pallet belts circulate. Although the clamping chains are extremely solid and dimensioned with sufficient reserves of sickle reserve, they are subject to wear that leads to elongation of the chains.
  • an escalator safety circuit in which the monitoring of the chain tensioning device is to be achieved by a potentiometer or an optical sensor, which responds to corresponding optical markings and triggers a calibratable switching cam switch.
  • EP 0547 737 A2 discloses an escalator hydraulic tensioner arranged on a diverter rail assembly together with the tracks for the track rollers and the tracks for the tow rollers, and slidable relative to the frame and the shoring but operatively connected to the latter.
  • US 3,419,127 has a clamping carriage for escalators to the subject, which is acted upon by means connected to the support frame tension springs with a chain tensioning force.
  • an escalator which has a tensioning station for the step chain, which is movably mounted with respect to a frame of the escalator
  • the relative movement between a bearing carriage and the frame is detected continuously by means of a displacement sensor.
  • the displacement sensor then outputs an analog output signal as a function of the currently present position at an evaluation unit, which serves to convert the detected voltage value into the chain elongation in question, that is to say the displacement of the bearing carriage.
  • the tensioning station has a compression spring, by which the step chain is kept under tension.
  • the invention is therefore an object of the invention to provide an escalator or a moving walk according to the preamble of claim 1, which or can be produced with the least possible manufacturing effort and cost, with a simplified installation.
  • An essential point of the invention is to integrate the tensioning station in guide system components and thus reduce the effort by reducing the use of material and alignment work.
  • the chain roller rails are resiliently guided in the deflection area to maintain the chain tension.
  • the towing roller rails are fixed and therefore not movable to rail components, such as side panels, which are connected to the frame of the escalator or the moving walk attached.
  • the chain roller rails and thus the running surface of the chain rollers are designed to be movable between a frame-fixed side part and the drag roller rails for tensioning the chain.
  • the tensioning station with which the chain roller rails are connected, is integrated into lateral components, via which the rails of the escalator or of the moving walkway are connected to the frame of the escalator or moving walk, which leads to a substantial reduction of material usage.
  • the tow rails Due to the fact that according to the invention only the chain roller rails are designed to be movable and the track roller rails firmly connected to the frame of the escalator or the moving walk rail components, such as side panels, the tow rails have no interruption, which could affect the smoothness and safety.
  • the chain roller rails with components of a tensioning station, which is slidingly mounted relative to the frame of the escalator or the moving walk, connected.
  • the weight and clamping forces as well as the horizontal and vertical guide forces for aligning the tensioning station are taken over by the lateral components of the rails in which the tensioning station is integrated.
  • the clamping station via a bearing, in particular a plain bearing, mounted on the frame-fixed side part.
  • the plain bearing is attached to a provided for the tensioning station in the frame-fixed side part recess, which ensures the compact design of the tensioning station.
  • the clamping station is designed such that it has a frame which is mounted on the slide bearing, and with which the tension spring and a safety switch, in particular a switching cam switch, for monitoring step chain elongation or pallet chain elongation in connection ,
  • the safety switch for monitoring the step chain elongation or the Paiettenketteni Kunststoffung is mounted on the frame of the tensioning station, so that it is moved with a retightening of the chains. This eliminates the subsequent adjustment of the switch position.
  • the tensioning station on a side part on which the chain roller rail is mounted, wherein the side part is fixedly connected to the frame of the tensioning station.
  • the chain roller rail is provided with laterally mounted pins, which are provided for positioning the chain roller rail on the side part of the tensioning station.
  • the side part of the clamping station has corresponding recesses in which engage the pins in the attachment of the chain roller rail on the side part.
  • the components of the tensioning station are permanently connected to each other and preferably joined by laser welding.
  • the shaping of the individual parts is preferably carried out by laser cutting.
  • Fig. 1 shows an external perspective view of a deflection region 10 of an escalator or moving walk.
  • the deflection region 10 has a side part 12, which is fastened to a frame, not shown here, and to which chain roller rails 14 and drag roller rails 16 are fastened for escalator steps or moving walkway pallets, not shown here.
  • the side part 12 is formed as a side plate.
  • the side part 12 has a recess 12 ', in which a tensioning station 18 is mounted.
  • the side part 12 is extended so far that it can accommodate the tensioning station. Thus, a recording and alignment of the tensioning station on the support frame of the escalator or the moving walk is unnecessary.
  • the clamping station 18 has a tension spring 20 which abuts with one end on the frame-fixed side part 12, wherein the other end of the tension spring 20 extends freely from the recess 12 'of the side part 12 in the longitudinal direction, so that the clamping force can be adjusted.
  • the storage of the tensioning station 18 takes place on a sliding bearing 26, which is attached to the frame-fixed side part 12 in the region of the recess 12 '.
  • the frame 22 of the tensioning station 18 is inextricably connected at its rail-side part with a side part 30.
  • the individual parts of the clamping station 18 are joined by high-precision joining methods, in particular by laser welding, wherein the shaping of the individual parts is preferably carried out by laser cutting.
  • the side part 30 of the tensioning station 18 is, as well as from Fig. 2 can be seen, connected to the chain roller rail 14 and formed such that it follows the course of the chain roller rail in the deflection. When a chain elongation occurs, the clamping force of the tension spring is adapted to the elongation.
  • the running surface of the chain rollers is designed to be movable.
  • pins are provided on the chain roller rail 14, which engage in the joining with the side part 30 in there introduced recesses.
  • FIG. 2 it can be seen, the towing roller rails 16, for guiding and holding down the tow wheels, firmly connected to the frame-fixed side part 12 and have no interruption, which could affect the smoothness and safety.
  • a switching cam switch 28 is provided for monitoring the step chain elongation or the pallet chain elongation.
  • the cam switch 28 is as shown Fig. 1 can be seen, movably mounted on the frame 22 of the clamping station 18, so that when retightening the chains and the switch is moved with. This eliminates subsequent adjustment of the switch position.
  • the staircase is switched off, so that the maintenance personnel by retightening the tension spring 20, this elongation can compensate. If a longer chain length occurs, there is a risk that the step chain will jump off the sprockets. Then a stop signal is output, which shuts off the escalator or moving walk.

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  • Escalators And Moving Walkways (AREA)

Description

Die Erfindung betrifft eine Fahrtreppe oder einen Fahrsteig, gemäß dem Oberbegriff von Anspruch 1.The invention relates to an escalator or moving walk, according to the preamble of claim 1.

Fahrtreppen und Fahrsteige weisen Spannketten auf, an denen Stufenbänder bzw. Palettenbänder umlaufen. Die Spannketten sind zwar ausgesprochen solide und mit genügenden Sichemeltsreserven dimensioniert ausgelegt, jedoch unterliegen sie einem Verschleiß, der zur Längung der Ketten führt.Escalators and moving walks have tensioning chains on which step belts or pallet belts circulate. Although the clamping chains are extremely solid and dimensioned with sufficient reserves of sickle reserve, they are subject to wear that leads to elongation of the chains.

Es sind allgemein Kettenspannvorrichtungen bekannt, die im Umlenkbereich von Fahrtreppen und Fahrsteigen eingebaut werden, um die Kette auch bei einer unerwünschten Längung im gespannten Zustand zu halten und somit verhindern sollen, dass die Kette von den Kettenrädern abspringt und infolgedessen, dass eine Kollision von Stufen bzw. von Stufeneinlaufteilen auftritt.There are generally known chain tensioning devices, which are installed in the deflection of escalators and moving walks to keep the chain even with an undesirable elongation in the tensioned state and thus to prevent the chain from jumping off the sprockets and consequently that a collision of stages or ., occurs by step inlet parts.

Es ist seit recht langer Zeit bekannt geworden, Sicherheltsschalter einzusetzen, die die Fahrtreppe, beim Überschreiten einer vorgegebenen Längung, abschalten sollen.It has been known for quite some time to use safety switches, which should shut down the escalator, when exceeding a predetermined lengthening.

Eine solche Fahrtreppe ist aus der DE-GM 298 09 268 bekannt. Bei dieser Lösung ist eine Siciherheitsschaltung für Fahrtreppen vorgesehen, bei welcher durch einen Potentiometer oder einen optischen Fühler, der auf entsprechende optische Markierungen anspricht und einen kalibrierbaren Schaltnocken-Schalter auslöst, die Überwachung der Kettenspannvorrichtung erreicht werden soll.Such an escalator is out of the DE-GM 298 09 268 known. In this solution, an escalator safety circuit is provided in which the monitoring of the chain tensioning device is to be achieved by a potentiometer or an optical sensor, which responds to corresponding optical markings and triggers a calibratable switching cam switch.

EP 0547 737 A2 offenbart eine hydraulische Spannvorrichtung für Fahrtreppen, die auf einer Umlenkschienenbaugruppe zusammen mit den Schienen für die Kettenrollen und den Schienen für die Schlepprollen angeordnet, sowie verschieblich, gegenüber dem Rahmen und dem Traggerüst, jedoch funktionell mit letzterem verbunden, ausgeführt ist. EP 0547 737 A2 discloses an escalator hydraulic tensioner arranged on a diverter rail assembly together with the tracks for the track rollers and the tracks for the tow rollers, and slidable relative to the frame and the shoring but operatively connected to the latter.

US 3,419,127 hat einen Spannschlitten für Fahrtreppen zum Gegenstand, der mittels mit dem Traggerüst verbundener Spannfedern mit einer Kettenspannkraft beaufschlagt wird. US 3,419,127 has a clamping carriage for escalators to the subject, which is acted upon by means connected to the support frame tension springs with a chain tensioning force.

Aus DE 103 22 955 B4 ist eine Fahrtreppe bekannt, die eine Spannstation für die Stufenkette aufweist, welche schiebebeweglich gegenüber einem Rahmen der Fahrtreppe gelagert ist Die Relativbewegung zwischen einem Lagerschlitten und dem Rahmen wird mittels eines Wegsensors kontinuierlich erfasst. Der Wegsensor gibt dann ein analoges Ausgangssignal in Abhängigkeit von der gerade vorliegenden Position an einer Auswerteeinheit ab, die dazu dient, den erfassten Spannungswert in die betreffende Kettenlängung, also die Verlagerung des Lagerschlittens, umzusetzen. Die Spannstation weist eine Druckfeder auf, durch die die Stufenkette unter Spannung gehalten wird.Out DE 103 22 955 B4 an escalator is known, which has a tensioning station for the step chain, which is movably mounted with respect to a frame of the escalator The relative movement between a bearing carriage and the frame is detected continuously by means of a displacement sensor. The displacement sensor then outputs an analog output signal as a function of the currently present position at an evaluation unit, which serves to convert the detected voltage value into the chain elongation in question, that is to say the displacement of the bearing carriage. The tensioning station has a compression spring, by which the step chain is kept under tension.

Die bisher bekannten Fahrtreppen und Fahrsteige weisen jedoch alle den Nachteil auf, dass die Spannstation am Traggerüst aufgenommen und ausgerichtet wird. Es werden auch zusätzliche seitlich angeordnete Bauteile zur Abstützung und Führung der Spannstation bei den bisher bekannten Lösungen benötigt. Dies führt zu einem erhöhten Materialaufwand und einer zeit- und kostenaufwendigen Montage.However, the previously known escalators and moving walks all have the disadvantage that the tensioning station is received and aligned on the support frame. It also requires additional laterally arranged components for supporting and guiding the tensioning station in the previously known solutions. This leads to an increased cost of materials and a time-consuming and costly installation.

Die Hersteller von Fahrtreppen und Fahrsteige sind aber ständig bemüht, die Kosten nicht nur für die Montage solcher, sondern auch für die Fertigung von Fahrtreppen und Fahrsteigen zu reduzieren. Des Weiteren erfordert der Wettbewerb eine kurze Lieferzeit von Fahrtreppen und Fahrsteige und somit - eine möglichst rasche Herstellung.The manufacturers of escalators and moving walks are constantly striving to reduce costs not only for the installation of such, but also for the production of escalators and moving walks. Furthermore, the competition requires a short delivery time of escalators and moving walks and thus - the fastest possible production.

Daher liegt der Erfindung die Aufgabe zugrunde, eine Fahrtreppe oder einen Fahrsteig gemäß dem Oberbegriff von Anspruch 1 zu schaffen, die bzw. der mit möglichst geringem Fertigungsaufwand und kostengünstig hergestellt werden kann, bei einer vereinfachten Montage.The invention is therefore an object of the invention to provide an escalator or a moving walk according to the preamble of claim 1, which or can be produced with the least possible manufacturing effort and cost, with a simplified installation.

Diese Aufgabe wird erfindungsgemäß durch Anspruch 1 gelöst. Vorteilhafte Weiterbildungen ergeben sich aus den Unteransprüchen.This object is achieved by claim 1. Advantageous developments emerge from the subclaims.

Ein wesentlicher Punkt der Erfindung besteht darin, die Spannstation in Führungssystembauelemente zu integrieren und somit den Aufwand durch die Reduzierung von Materialeinsatz und Ausrichtarbeiten zu senken.An essential point of the invention is to integrate the tensioning station in guide system components and thus reduce the effort by reducing the use of material and alignment work.

Erfindungsgemäß besonders günstig ist es, dass im Umlenkbereich der Fahrtreppe oder des Fahrsteigs, die Kettenrollenschienen im Umlenkbereich federnd zur Aufrechterhaltung der Kettenspannung geführt sind. Dabei sind die Schlepprollenschienen fest und daher nicht beweglich an Schienenbauelemente, wie Seitenbleche, die mit dem Rahmen der Fahrtreppe bzw. des Fahrsteigs verbunden werden, angebracht. Die Kettenrollenschienen und damit die Lauffläche der Kettenrollen werden zwischen einem rahmenfesten Seitenteil und den Schlepprollenschienen zum Spannen der Kette beweglich ausgeführt.According to the invention it is particularly favorable that in the deflection of the escalator or the moving walk, the chain roller rails are resiliently guided in the deflection area to maintain the chain tension. The towing roller rails are fixed and therefore not movable to rail components, such as side panels, which are connected to the frame of the escalator or the moving walk attached. The chain roller rails and thus the running surface of the chain rollers are designed to be movable between a frame-fixed side part and the drag roller rails for tensioning the chain.

Durch die federnde Ausbildung der Kettenrollenschienen wird erreicht, dass bei einer auftretenden Stufenkettenlängung bzw. Palettenkettenlängung, ein Nachspannen der Ketten auf einfache und Platz sparende Weise realisierbar ist. Die Spannstation, mit der die Kettenrollenschienen in Verbindung stehen, ist in seitliche Bauelemente, über welche die Schienen der Fahrtreppe bzw. des Fahrsteigs mit dem Rahmen der Fahrtreppe oder des Fahrsteigs verbunden sind, integriert, was zu einer wesentlichen Reduzierung von Materialeinsatz führt.Due to the resilient design of the chain roller rails it is achieved that, in the event of a step chain elongation or pallet chain elongation, retensioning of the chains can be achieved in a simple and space-saving manner. The tensioning station, with which the chain roller rails are connected, is integrated into lateral components, via which the rails of the escalator or of the moving walkway are connected to the frame of the escalator or moving walk, which leads to a substantial reduction of material usage.

Dadurch, dass erfindungsgemäß nur die Kettenrollenschienen zum Spannen beweglich ausgeführt werden und die Schlepprollenschienen fest mit an den Rahmen der Fahrtreppe bzw. des Fahrsteigs angebrachten Schienenbauelementen, wie Seitenbleche, verbunden werden, weisen die Schlepprollenschienen keine Unterbrechung auf, die die Laufruhe und Sicherheit beeinträchtigen könnte.Due to the fact that according to the invention only the chain roller rails are designed to be movable and the track roller rails firmly connected to the frame of the escalator or the moving walk rail components, such as side panels, the tow rails have no interruption, which could affect the smoothness and safety.

Vorzugsweise sind die Kettenrollenschienen mit Bauelementen einer Spannstation, welche schiebebeweglich gegenüber dem Rahmen der Fahrtreppe oder des Fahrsteigs gelagert ist, verbunden. Die Gewichts- und die Spannkräfte sowie die horizontalen und vertikalen Führungskräfte zur Ausrichtung der Spannstation werden durch die seitlichen Bauelemente der Schienen, in denen die Spannstation integriert ist, übernommen.Preferably, the chain roller rails with components of a tensioning station, which is slidingly mounted relative to the frame of the escalator or the moving walk, connected. The weight and clamping forces as well as the horizontal and vertical guide forces for aligning the tensioning station are taken over by the lateral components of the rails in which the tensioning station is integrated.

Vorzugsweise ist die Spannstation über ein Lager, insbesondere ein Gleitlager, an dem rahmenfesten Seitenteil gelagert. Das Gleitlager ist dabei an eine für die Spannstation in dem rahmenfesten Seitenteil vorgesehene Ausnehmung angebracht, was für die kompakte Ausführung der Spannstation sorgt.Preferably, the clamping station via a bearing, in particular a plain bearing, mounted on the frame-fixed side part. The plain bearing is attached to a provided for the tensioning station in the frame-fixed side part recess, which ensures the compact design of the tensioning station.

Besonders günstig ist es, dass die Spannstation derart ausgebildet ist, dass sie einen Rahmen aufweist, der auf dem Gleitlager angebracht ist, und mit welchem die Spannfeder und ein Sicherheitsschalter, insbesondere ein Schaltnocken-Schalter, zur Überwachung von Stufenkettenlängung bzw. Palettenkettenlängung in Verbindung stehen.It is particularly favorable that the clamping station is designed such that it has a frame which is mounted on the slide bearing, and with which the tension spring and a safety switch, in particular a switching cam switch, for monitoring step chain elongation or pallet chain elongation in connection ,

Vorzugsweise ist der Sicherheitsschalter zur Überwachung der Stufenkettenlängung bzw. der Paiettenketteniängung auf den Rahmen der Spannstation gelagert, so dass er bei einem Nachspannen der Ketten mit verschoben wird. Dadurch entfällt das nachträgliche Anpassen der Schalterposition.Preferably, the safety switch for monitoring the step chain elongation or the Paiettenketteniängung is mounted on the frame of the tensioning station, so that it is moved with a retightening of the chains. This eliminates the subsequent adjustment of the switch position.

Vorteilhafterweise weist die Spannstation ein Seitenteil auf, auf dem die Kettenrollenschiene angebracht ist, wobei das Seitenteil mit dem Rahmen der Spannstation fest verbunden ist. Somit wird beim Einstellen der Spannkraft der Spannfeder sowohl das Seitenteil der Spannstation als auch die mit ihm verbundene Kettenrollenschiene mit verschoben, um die Ketten bei einer auftretenden Längung nachzuspannen.Advantageously, the tensioning station on a side part on which the chain roller rail is mounted, wherein the side part is fixedly connected to the frame of the tensioning station. Thus, when adjusting the clamping force of the tension spring, both the side part of the tensioning station and the chain roller rail connected to it are also displaced in order to retighten the chains when an elongation occurs.

Vorzugsweise ist die Kettenrollenschiene mit seitlich angebrachten Zapfen versehen, welche zur Positionierung der Kettenrollenschiene auf dem Seitenteil der Spannstation vorgesehen sind. Das Seitenteil der Spannstation weist korrespondierende Aussparungen auf, in denen die Zapfen bei dem Anbringen der Kettenrollenschiene an dem Seitenteil eingreifen. Somit wird auf einfache Weise die Montage der beweglichen Kettenrollenschiene und die Verbindung der Kettenrollenschiene mit der Spannstation realisiert.Preferably, the chain roller rail is provided with laterally mounted pins, which are provided for positioning the chain roller rail on the side part of the tensioning station. The side part of the clamping station has corresponding recesses in which engage the pins in the attachment of the chain roller rail on the side part. Thus, the assembly of the movable chain roller rail and the connection of the chain roller rail is realized with the tensioning station in a simple manner.

Gemäß einer weiteren, ebenfalls günstigen Ausgestaltung werden die Bauelemente der Spannstation unlösbar miteinander verbunden und vorzugsweise durch Laserschweißen gefügt. Die Formgebung der Einzelteile erfolgt vorzugsweise durch Laserschneiden.According to another, likewise favorable embodiment, the components of the tensioning station are permanently connected to each other and preferably joined by laser welding. The shaping of the individual parts is preferably carried out by laser cutting.

Weitere Vorteile, Einzelheiten und Merkmale ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der Zeichnungen.Further advantages, details and features will become apparent from the following description of an embodiment with reference to the drawings.

Es zeigen:

Fig. 1
eine perspektivische Außenansicht eines rahmenfesten Seitenteils für Kettenrollen- und Schlepprollenschienen mit integrierter Spannstation, gemäß einer Ausführungsform einer erfindungsgemäßen Fahrtreppe oder eines erfindungsgemäßen Fahrsteigs,
Fig. 2
eine perspektivische Innenansicht eines rahmenfesten Seitenteils für Kettenrollen- und Schlepprollenschienen mit integrierter Spannstation, gemäß einer Ausführungsform einer erfindungsgemäßen Fahrtreppe oder eines erfindungsgemäßen Fahrsteigs.
Show it:
Fig. 1
an external perspective view of a frame-fixed side part for chain roller and tractor tracks with integrated tensioning station, according to an embodiment of an escalator according to the invention or a moving walkway according to the invention,
Fig. 2
an interior perspective view of a frame-fixed side part for chain roller and tractor tracks with integrated tensioning station, according to an embodiment of an escalator according to the invention or a moving walkway according to the invention.

Gleiche Bezugszeichen weisen in den Figuren 1 und 2 auf gleiche oder entsprechende Teile hin, so dass eine nähere Erläuterung entbehrlich ist.Same reference numerals in the FIGS. 1 and 2 to the same or corresponding parts, so that a more detailed explanation is unnecessary.

Fig. 1 zeigt eine perspektivische Außenansicht eines Umlenkbereichs 10 einer Fahrtreppe oder eines Fahrsteigs. Der Umlenkbereich 10 weist ein Seitenteil 12 auf, der an einem hier nicht dargestellten Rahmen befestigt wird und an welchem Kettenrollenschienen 14 und Schlepprollenschienen 16 für hier nicht gezeigte Ketten- und Schlepprollen für Fahrtreppen-Stufen oder Fahrsteig-Paletten befestigt werden. Das Seitenteil 12 ist als ein Seitenblech ausgebildet.
Das Seitenteil 12 weist eine Ausnehmung 12' auf, in welcher eine Spannstation 18 angebracht ist. Das Seitenteil 12 wird dabei so weit verlängert, dass es die Spannstation aufnehmen kann. Somit erübrigt sich eine Aufnahme und Ausrichtung der Spannstation am Traggerüst der Fahrtreppe oder des Fahrsteigs.
Die Spannstation 18 weist eine Spannfeder 20 auf, die mit einem Ende an dem rahmenfesten Seitenteil 12 anschlägt, wobei das andere Ende der Spannfeder 20 sich frei von der Ausnehmung 12' des Seitenteils 12 in Längsrichtung hinerstreckt, so dass die Spannkraft eingestellt werden kann.
Die Lagerung der Spannstation 18 erfolgt auf einem Gleitlager 26, das an dem rahmenfesten Seitenteil 12 im Bereich der Ausnehmung 12' angebracht ist. Fig. 1 shows an external perspective view of a deflection region 10 of an escalator or moving walk. The deflection region 10 has a side part 12, which is fastened to a frame, not shown here, and to which chain roller rails 14 and drag roller rails 16 are fastened for escalator steps or moving walkway pallets, not shown here. The side part 12 is formed as a side plate.
The side part 12 has a recess 12 ', in which a tensioning station 18 is mounted. The side part 12 is extended so far that it can accommodate the tensioning station. Thus, a recording and alignment of the tensioning station on the support frame of the escalator or the moving walk is unnecessary.
The clamping station 18 has a tension spring 20 which abuts with one end on the frame-fixed side part 12, wherein the other end of the tension spring 20 extends freely from the recess 12 'of the side part 12 in the longitudinal direction, so that the clamping force can be adjusted.
The storage of the tensioning station 18 takes place on a sliding bearing 26, which is attached to the frame-fixed side part 12 in the region of the recess 12 '.

Der Rahmen 22 der Spannstation 18 ist an seinem schienenseitigen Teil mit einem Seitenteil 30 unlösbar verbunden. Die einzelnen Teile der Spannstation 18 werden durch hochgenaue Fügeverfahren, insbesondere durch Laserschweißen gefügt, wobei die Formgebung der Einzelteile vorzugsweise durch Laserschneiden erfolgt.
Das Seitenteil 30 der Spannstation 18 ist, wie auch aus der Fig. 2 ersichtlich ist, mit der Kettenrollenschiene 14 verbunden und derart ausgebildet, dass es den Verlauf der Kettenrollenschiene im Umlenkbereich folgt. Beim Auftreten einer Kettenlängung wird die Spannkraft der Spannfeder an die Längung angepasst. Zum Nachspannen der Kette wird erfindungsgemäß ausschließlich die Lauffläche der Kettenrollen beweglich ausgeführt. Zur Positionierung der Kettenrollenschiene 14 auf dem Seitenteil 30 der Spannstation 18 sind, hier nicht dargestellte, Zapfen an der Kettenrollenschiene 14 vorgesehen, die beim Fügen mit dem Seitenteil 30 in dort eingebrachte Aussparungen, eingreifen.The frame 22 of the tensioning station 18 is inextricably connected at its rail-side part with a side part 30. The individual parts of the clamping station 18 are joined by high-precision joining methods, in particular by laser welding, wherein the shaping of the individual parts is preferably carried out by laser cutting.
The side part 30 of the tensioning station 18 is, as well as from Fig. 2 can be seen, connected to the chain roller rail 14 and formed such that it follows the course of the chain roller rail in the deflection. When a chain elongation occurs, the clamping force of the tension spring is adapted to the elongation. For retightening the chain, according to the invention, only the running surface of the chain rollers is designed to be movable. For positioning the chain roller rail 14 on the side part 30 of the clamping station 18, not shown here, pins are provided on the chain roller rail 14, which engage in the joining with the side part 30 in there introduced recesses.

Dagegen sind, wie aus Figur 2 ersichtlich ist, die Schlepprollenschienen 16, zur Führung und Niederhaltung der Schlepprollen, fest mit dem rahmenfesten Seitenteil 12 verbunden und weisen keine Unterbrechung auf, die die Laufruhe und Sicherheit beeinträchtigen könnte.On the other hand, how are FIG. 2 it can be seen, the towing roller rails 16, for guiding and holding down the tow wheels, firmly connected to the frame-fixed side part 12 and have no interruption, which could affect the smoothness and safety.

Zur Überwachung der Stufenkettenlängung bzw. der Palettenkettenlängung ist ein Schaltnocken-Schalter 28 vorgesehen. Der Schaltnocken-Schalter 28 ist, wie aus Fig. 1 ersichtlich, auf den Rahmen 22 der Spannstation 18 beweglich gelagert, so dass beim Nachspannen der Ketten auch der Schalter mit verschoben wird. Somit entfällt ein nachträgliches Anpassen der Schalterposition.For monitoring the step chain elongation or the pallet chain elongation, a switching cam switch 28 is provided. The cam switch 28 is as shown Fig. 1 can be seen, movably mounted on the frame 22 of the clamping station 18, so that when retightening the chains and the switch is moved with. This eliminates subsequent adjustment of the switch position.

Bei einer erfassten Kettenlängung, die jedoch in einem zulässigen Bereich liegt, wird die Treppe abgeschaltet, so dass das Wartungspersonal durch Nachspannen der Spannfeder 20, diese Längung ausgleichen kann. Falls eine größere Kettenlängung auftritt, besteht die Gefahr, dass die Stufenkette von den Kettenrädern abspringt. Dann wird ein Stopsignal ausgegeben, das die Fahrtreppe oder Fahrsteig abschaltet.At a detected chain elongation, but which is within a permissible range, the staircase is switched off, so that the maintenance personnel by retightening the tension spring 20, this elongation can compensate. If a longer chain length occurs, there is a risk that the step chain will jump off the sprockets. Then a stop signal is output, which shuts off the escalator or moving walk.

Claims (8)

  1. An escalator or moving walkway, comprising a frame, and a turn-around area (10) for chains of the escalator or the moving walkway, which turn-around area comprises a tensioning station (18) for the chains, wherein at the frame, in particular via side plates, rails (14) for the chain rollers and rails (16) for the idling rollers are fixedly attached, characterized in that the tensioning station (18) is guided by and supported on a side part (12) which is fixedly mounted on the frame, independently of the support structure.
  2. The escalator or moving walkway according to claim 1, characterized in that the tensioning station (18) is provided with a tension spring (20) which abuts against the side part (12) which is fixedly mounted on the frame.
  3. The escalator or moving walkway according to any of the previous claims, characterized in that the tensioning station (18) is mounted on the side part (12) which is fixedly mounted on the frame via a bearing, in particular a slide bearing (26).
  4. The escalator or moving walkway according to any of the previous claims, characterized in that the tensioning station (18) is provided with a frame (22), with which the tension spring (20) and a safety switch (28), in particular a trip cam switch, are connected for monitoring the elongation of a step chain or a pallet chain.
  5. The escalator or moving walkway according to any of the previous claims, characterized in that the safety switch (28) is disposed in such a way that it is also shifted along during a retensioning of the chains via the tensioning station (18) and therefore does not have to be readjusted.
  6. The escalator or moving walkway according to any of the previous claims, characterized in that the rail for chain rollers (14) is provided with laterally attached pins for positioning the chain roller rail on the side part (30) of the tensioning station (18) which is provided with corresponding recesses.
  7. The escalator or moving walkway according to any of the previous claims, characterized in that the components of the tensioning station are fixedly connected to one another and are preferably joined by laser welding.
  8. The escalator or moving walkway according to any of the previous claims, characterized in that in the turn-around area (10), between idling roller rails (16) fixedly mounted on the frame and a side part (12) fixedly mounted on the frame, the chain roller rails (14) are resiliently guided to maintain chain tension.
EP09174572A 2008-11-20 2009-10-30 Escalator or travelator Not-in-force EP2189412B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202008015410U DE202008015410U1 (en) 2008-11-20 2008-11-20 Escalator or moving walk

Publications (2)

Publication Number Publication Date
EP2189412A1 EP2189412A1 (en) 2010-05-26
EP2189412B1 true EP2189412B1 (en) 2013-02-13

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Application Number Title Priority Date Filing Date
EP09174572A Not-in-force EP2189412B1 (en) 2008-11-20 2009-10-30 Escalator or travelator

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US (1) US8079455B2 (en)
EP (1) EP2189412B1 (en)
CN (1) CN101927938B (en)
DE (1) DE202008015410U1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2370896B1 (en) * 2011-09-19 2012-08-03 Thyssenkrupp Elevator Innovation Center, S.A. BIDIRECTIONAL MOBILE HALL.
CN106494984A (en) * 2016-11-17 2017-03-15 日立电梯（广州）自动扶梯有限公司 For the assembling structure of chain revolution, escalator and installation method
DE102017130730A1 (en) * 2017-12-20 2019-06-27 Thyssenkrupp Ag Bypass for external roller chains of a passenger transport device
EP3569559B1 (en) 2018-05-16 2021-03-24 Otis Elevator Company People coonveyor with a belt safety device
CN108975139A (en) * 2018-08-16 2018-12-11 永大电梯设备（中国）有限公司 A kind of escalator step chain synchronous sprocket wheel tensioning apparatus

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Publication number Priority date Publication date Assignee Title
US1741842A (en) * 1926-04-17 1929-12-31 Holtschmit Friedrich Moving staircase
US3419127A (en) * 1966-07-11 1968-12-31 Otis Elevator Co Tension carriage for passenger conveyors
US4576276A (en) * 1984-06-08 1986-03-18 Westinghouse Electric Corp. Escalator
CN85105326A (en) * 1985-07-11 1987-01-07 西屋电气公司 Staircase
JPS631877U (en) * 1986-06-23 1988-01-08
US5020654A (en) * 1990-08-31 1991-06-04 Otis Elevator Company Curved escalator step chain turnaround zone
TW215071B (en) * 1991-12-17 1993-10-21 Montgomery Elevator
DE29809268U1 (en) 1998-05-22 1998-09-24 Thyssen Aufzuege Gmbh Escalator or moving walk
JP4810030B2 (en) * 2001-09-26 2011-11-09 三菱電機株式会社 Inclined part high-speed escalator
DE20210210U1 (en) 2002-07-02 2003-01-09 Thyssen Fahrtreppen Gmbh Escalator or moving pavement has inductive or capacitive travel sensor transmitting output signal continuously in dependence upon distance covered from bearing of chain wheel

Also Published As

Publication number Publication date
EP2189412A1 (en) 2010-05-26
US20100122889A1 (en) 2010-05-20
CN101927938A (en) 2010-12-29
US8079455B2 (en) 2011-12-20
CN101927938B (en) 2014-06-11
DE202008015410U1 (en) 2009-02-05

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