EP3722243B1 - Rail d'entrée pour escaliers mécaniques ou trottoirs roulants ainsi que dispositif de transport des personnes doté d'un tel rail d'entrée - Google Patents

Rail d'entrée pour escaliers mécaniques ou trottoirs roulants ainsi que dispositif de transport des personnes doté d'un tel rail d'entrée Download PDF

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Publication number
EP3722243B1
EP3722243B1 EP20163857.4A EP20163857A EP3722243B1 EP 3722243 B1 EP3722243 B1 EP 3722243B1 EP 20163857 A EP20163857 A EP 20163857A EP 3722243 B1 EP3722243 B1 EP 3722243B1
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EP
European Patent Office
Prior art keywords
support surface
rollers
rail
entry
chain
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.)
Active
Application number
EP20163857.4A
Other languages
German (de)
English (en)
Other versions
EP3722243A1 (fr
Inventor
Reinhardt Krämer
Gerrit Brand
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.)
TK Elevator Innovation and Operations GmbH
Original Assignee
TK Elevator Innovation and Operations GmbH
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.)
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Publication date
Application filed by TK Elevator Innovation and Operations GmbH filed Critical TK Elevator Innovation and Operations GmbH
Publication of EP3722243A1 publication Critical patent/EP3722243A1/fr
Application granted granted Critical
Publication of EP3722243B1 publication Critical patent/EP3722243B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B21/00—Kinds or types of escalators or moving walkways
    • B66B21/02—Escalators
    • B66B21/04—Escalators linear type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B21/00—Kinds or types of escalators or moving walkways
    • B66B21/10—Moving walkways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/14—Guiding means for carrying surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/14—Guiding means for carrying surfaces
    • B66B23/145—Roller assemblies
    • 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
    • B66B23/024—Chains therefor
    • 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

Definitions

  • the invention relates to an entry rail for escalators or moving walks, which is designed to support a step chain with protective rollers arranged on the inside and running rollers arranged on the outside when it enters a sprocket wheel.
  • the invention also relates to a passenger conveyor device, in particular an escalator or a moving walkway, with at least one step chain, at least one chain wheel and at least one entry rail, the step chain comprising protective rollers arranged on the inside and rollers arranged on the outside.
  • rollers arranged outside of the chain links are also not used for engaging with the sprockets. This is done by means of the internal protective rollers.
  • the wear on the inner protective rollers of a step chain is advantageously reduced by the additional rollers outside the chain links.
  • Such a step chain with rollers arranged on the outside and protective rollers arranged on the inside which can be used particularly advantageously together with the present invention, is, for example, in DE 10 2015 212 031 A1 described.
  • Chain links advantageously reduce the wear on the inner protective rollers of a step chain.
  • a step chain with rollers arranged on the outside and protective rollers arranged on the inside which can be used particularly advantageously together with the present invention, is, for example, in DE 10 2015 212 031 A1 described.
  • a passenger conveyor device is disclosed in which a step chain with protective rollers arranged on the inside and track rollers arranged on the outside is supported when entering a sprocket.
  • a first running surface is provided, on which the rollers roll between the sprockets.
  • an entry rail is provided which has a second running surface which supports the protective rollers when they enter the sprocket.
  • WO 2019/120916 A1 relates to a passenger transport device, in particular an escalator or a moving walkway, having: a large number of steps; two lateral transport chains, one on each side, for transporting the plurality of stages, each chain having two chain flanks; a variety of chain pins that interact with bushings, the bushes are each provided with a protective roller located inside the transport chain; each chain pin for each transport chain and tread being provided with a respective holder for the treads and additionally with a respective chain roller located outside the transport chain for guiding the transport chain and treads on a rail; and a chain tensioning station around which the transport chains and running surfaces can be guided at one end of the passenger transport device, the end facing away from a drive of the passenger transport device, the chain tensioning station having two lateral guide tracks around which the transport chains and running surfaces can be guided, the protective rollers be led to it.
  • a roller is usually not arranged at every connection point of the chain links and the number of rollers is therefore less than the number of protective rollers. If the rollers were only supported, the step chain would therefore be in vibrate comparatively strongly in the area between two rollers. In particular, this leads to an unsteady entry of the step chain into the sprocket.
  • the first support surface thus ensures a reduction in vibrations and improved running smoothness.
  • the protective rollers were only supported, they would be subjected to greater stress. It is therefore advantageous that the rollers are also supported when entering the sprocket.
  • the first support surface is made of a first material and the second support surface is made of a second material.
  • the first material is advantageously elastically more flexible than the second material.
  • the first material preferably has better damping properties than the second material.
  • the first support surface is made of a plastic and the second support surface is made of metal, in particular steel.
  • polyamide is provided as the first material.
  • a nylon plastic is particularly advantageous as the first material.
  • Nylatron ® GSM which is available on the market, has proved to be the first material to be particularly advantageous, in particular due to its high mechanical damping capacity and good sliding properties.
  • a further advantageous embodiment provides for a multi-part design of the run-in rail.
  • a first piece of the run-in rail is a first component, which has the first support surface
  • a second piece of the run-in rail is a second component, which has the second support surface.
  • this can result in simplifications when installing the run-in rail.
  • the respective component can also advantageously be replaced individually.
  • a further advantage can be seen in the fact that the height offset described above can be easily adjusted due to the different diameters of the protective rollers and the rollers.
  • the first component and the second component are free of connections. In such a configuration, it is provided in particular that the first component and the second component are not directly connected to one another.
  • the first component is arranged on an element of a passenger conveyor and the second component is arranged on an element of this passenger conveyor.
  • the first component is arranged on the second component, in particular by means of a screw connection.
  • the run-in rail has a first height profile of the first support surface that changes over the longitudinal extension direction of the run-in rail.
  • the first support surface is in particular not flat.
  • the first height profile is also non-linear.
  • the first height profile corresponds to a curve, it being possible for the curve to be continuous.
  • a discontinuous curve is also provided as the first height profile.
  • the first height profile which changes over the direction of longitudinal extent, is advantageously adapted to the movement of the protective rollers, which are supported by the first support surface.
  • the first height profile is determined as a function of the chain pitch of the step chain.
  • the additional first height profile of the first support surface is advantageously determined in such a way that it advantageously remains below the simulated curve, preferably 0 mm to 15 mm (mm: millimeters) below the simulated curve.
  • essentially only the dead weight of the protective roller is supported by the first support surface.
  • the weight of the step chain is also supported.
  • An additional load effect on the first support surface due to the so-called polygon effect is advantageously prevented by the design.
  • the supported by the first support surface protective rollers are thus advantageously not with the weight of the link plates and bolts Step chain loaded.
  • the second height profile is advantageously determined in such a way that the second height profile has a maximum.
  • This maximum is advantageously in an area around a vertical projection of the dead center of the sprocket onto the second support surface.
  • This area advantageously begins up to 10 mm, in particular up to 5 mm, before the vertical projection of the dead center of the sprocket onto the second support surface. Further advantageously, this area ends up to 10 mm, in particular up to 5 mm, behind the vertical projection of the dead center of the sprocket onto the second support surface. This advantageously improves the onset of engagement of the protective rollers in the sprocket.
  • This configuration is particularly advantageous if damping elements are inserted between the teeth of the chain wheel. The damping elements are loaded more evenly and wear out more evenly. This further contributes to improved running smoothness.
  • the second height profile of the second support surface describes a falling curve, starting from the maximum over the vertical projection of the dead center, i.e. in particular over the area around the vertical projection of the dead center, with the falling curve following in particular the circular path which a roller of the driven step chain travels, in particular theoretically would travel without support from the entry rail, in particular in the corresponding area in which the second support surface is arranged. This advantageously further improves the smooth running of the step chain.
  • first height profile and/or the second height profile is mirror-symmetrical with respect to a perpendicular running through the entry rail.
  • first height profile of the first support surface of the run-in rail is embodied symmetrically with respect to a perpendicular running through the center of the first support surface of the run-in rail.
  • second height profile of the second support surface of the run-in rail is embodied symmetrically with respect to a perpendicular running through the center of the second support surface.
  • the symmetrical design has the advantage that the run-in rail can be designed to be flexible.
  • the first support surface can be arranged in relation to the second support surface in such a way that the entry rail on each chain wheel of a passenger conveyor device can be used to support the step chain when it enters the chain wheel.
  • the run-in rail is designed symmetrically as such.
  • the passenger conveyor device proposed to solve the problem mentioned at the outset which is in particular an escalator or a moving walkway, comprises at least one step chain with protective rollers arranged on the inside and rollers arranged on the outside, at least one chain wheel and an infeed rail designed according to the invention, in particular an infeed rail according to one Configuration as described above or in the claims of the application.
  • the passenger conveyor has an endless conveyor belt formed from a large number of tread elements.
  • the tread elements of the conveyor belt are connected to the step chain.
  • a step chain is connected to the conveyor belt for driving the conveyor belt.
  • the step chains of the passenger conveyor device comprise, in particular, a large number of chain links which can be moved relative to one another, with protective rollers arranged inside the chain links and running rollers arranged outside the chain links.
  • the passenger conveyor device comprises in particular chain wheels for driving and deflecting the step chains, it being provided in particular that the protective rollers are in each case intermittently in engagement with one of the chain wheels when driving the step chains.
  • two sprockets each drive and deflect a step chain.
  • One chain wheel is preferably connected to another chain wheel via an axle, with these chain wheels in particular driving and deflecting a step chain arranged to the left and right next to the conveyor belt, with the conveyor belt being driven by means of the step chains.
  • the proposed passenger conveyor device comprises first treads on which roll the rollers of the driven step chains, in particular along the conveyor line.
  • the first running surfaces are advantageously each arranged and dimensioned in such a way that they guide the rollers of the step chains between the chain wheels driving a step chain along the conveying path, but in particular no longer when the step chain enters a chain wheel.
  • metal rails are provided as the first running surfaces.
  • a respective run-in rail connects to a respective first running surface.
  • a further advantageous embodiment of the proposed passenger conveyor device provides that the step chains each have a chain pitch of at least 100 mm (mm: millimeters).
  • the step chains of the passenger conveyor device each have a chain pitch of 135 mm.
  • the chain pitch should advantageously be less than 200 mm.
  • the chain wheels of the passenger conveyor device have a maximum pitch circle diameter of 750 mm, in particular a pitch circle diameter of less than 700 mm.
  • the chain wheels of the passenger conveyor advantageously each have a maximum number of 20 teeth, preferably 16 teeth.
  • the respective entry rail is arranged in the entry area of a respective chain wheel of the passenger conveyor device, but not in the return, ie not in the lower area of a chain wheel.
  • legs of the passenger conveyor are usually provided with four sprockets and a running rail.
  • the step chains will also support a passenger conveyor when exiting a sprocket, thereby further reducing vibration.
  • the run-in rail 10 is formed in several pieces.
  • the run-in rail 10 thus comprises a number of individual components which are connected to one another to form the run-in rail 10 .
  • the run-in rail 10 has in particular a first component 13 and a second component 14 .
  • the first component 13 includes the first support surface 11.
  • the second component 14 includes the second support surface 12.
  • the first component 13 is made of a different material than the second component 14, with the first component 13 having better mechanical damping properties than the second component 14.
  • the second component 14 is in particular made of steel and the first component 13 is made of a plastic, in particular a nylon plastic, such as in particular the plastic material sold under the name Nylatron ® GSM at the time of the application.

Landscapes

  • Escalators And Moving Walkways (AREA)

Claims (13)

  1. Rail d'entrée (10) pour escaliers mécaniques ou trottoirs roulants conçu pour soutenir une chaîne de marches (20) avec des galets de protection (21) disposés à l'intérieur et des galets de roulement (22) disposés à l'extérieur lors de l'entrée dans une roue dentée (30), avec une première surface d'appui (11) pour soutenir les galets de protection (21), avec une deuxième surface d'appui (12) disposée à côté de la première surface d'appui (11) pour soutenir les galets de roulement (22), caractérisée en ce que la première surface d'appui (11) présente un premier profil en hauteur (15) variant dans le sens de l'extension longitudinale (L) du rail d'entrée (10), le premier profil en hauteur (15) étant déterminé en fonction du pas de chaîne de la chaîne de marches (20).
  2. Rail d'entrée (10) selon la revendication 1, caractérisé en ce que la première surface de support (11) est constituée d'un premier matériau et la deuxième surface de support (12) est constituée d'un deuxième matériau, le premier matériau étant élastiquement plus souple que le deuxième matériau.
  3. Rail d'entrée (10) selon la revendication 2, caractérisé en ce que la première surface de support (11) est en matière plastique et la deuxième surface de support (12) est en métal.
  4. Rail d'entrée (10) selon l'une des revendications précédentes, caractérisé en ce que la première surface d'appui (11) et la deuxième surface d'appui (12) sont décalées en hauteur (H) l'une par rapport à l'autre.
  5. Rail d'entrée (10) selon l'une des revendications précédentes, caractérisé par une réalisation en plusieurs pièces, une première pièce du rail d'entrée (10) étant un premier composant (13) qui présente la première surface de support (11), et une deuxième pièce du rail d'entrée (10) étant un deuxième composant (14) qui présente la deuxième surface de support (12).
  6. Rail d'entrée (10) selon la revendication 5, caractérisé en ce que le premier composant (13) est disposé au le deuxième composant (14).
  7. Rail d'entrée (10) selon la revendication 1, caractérisé en ce que, sur la base d'une position d'assemblage conforme du rail d'entrée pour soutenir la chaîne de marches (20) lors de l'entrée dans une roue dentée (30), le premier profil en hauteur (15) est conçu de telle sorte qu'il décrit, en négligeant le poids propre de la chaîne de marches (20), les points bas (50) du au moins un galet de protection (21) disposé entre deux galets de roulement (22) lors de l'entrée dans la roue dentée (30).
  8. Rail d'entrée (10) selon l'une des revendications précédentes, caractérisé par un deuxième profil en hauteur (16) de la deuxième surface d'appui (12) variant dans le sens de l'extension longitudinale (L) du rail d'entrée (10).
  9. Rail d'entrée (10) selon la revendication 8, caractérisé en ce que, sur la base d'une position d'assemblage conforme du rail d'entrée (10) pour soutenir la chaîne de marche (20) lors de l'entrée dans une roue dentée (30), le deuxième profil en hauteur (16) est déterminé de telle sorte que le deuxième profil en hauteur (16) présente un maximum (17) qui se situe dans une zone (18) autour d'une projection verticale (60) du point mort (31) de la roue dentée (30) sur la deuxième surface d'appui (12), la zone (18) commençant jusqu'à 10 mm devant la projection verticale (60) et se terminant jusqu'à 10 mm derrière la projection verticale (60).
  10. Rail d'entrée (10) selon la revendication 9, caractérisé en ce que le deuxième profil en hauteur (16) de la deuxième surface d'appui (12) décrit une courbe descendante à partir du maximum (17) au-delà de la projection verticale (60) du point mort (31), la courbe descendante suivant notamment la trajectoire circulaire (56) que parcourt un galet de roulement (22) de la chaîne de marches entraînée (20) dans cette section de rail d'entrée.
  11. Rail d'entrée (10) selon l'une des revendications précédentes, caractérisé en ce que le premier profil en hauteur (15) et/ou le deuxième profil en hauteur (16) est symétrique par rapport à une perpendiculaire (65) passant par le rail d'entrée (10).
  12. Dispositif de transport de personnes comportant au moins une chaîne de marches (20) avec des galets de protection (21) disposés à l'intérieur et des galets de roulement (22) disposés à l'extérieur et au moins une roue dentée (30), caractérisé par au moins un rail d'entrée (10) selon l'une des revendications précédentes.
  13. Dispositif de transport de personnes selon la revendication 12, caractérisé en ce que le rail d'entrée (10) respectif est disposé par rapport à la roue dentée respective (30) de telle sorte que la première surface de support (11) est tournée vers le roue dentée (33) de sorte que les galets de protection (21) de la chaîne de marches respective (20) sont supportés par la première surface de support (11) dans une zone latérale (25) des galets de protection respectifs pendant l'entrée dans la roue dentée (30), et la deuxième surface d'appui (12) étant détournée de la roue dentée (30) de sorte que les galets de roulement (22) de cette chaîne de marches (20) sont soutenus par la deuxième surface d'appui (12) pendant l'entrée dans la roue dentée (30).
EP20163857.4A 2019-04-11 2020-03-18 Rail d'entrée pour escaliers mécaniques ou trottoirs roulants ainsi que dispositif de transport des personnes doté d'un tel rail d'entrée Active EP3722243B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019205244.4A DE102019205244A1 (de) 2019-04-11 2019-04-11 Einlaufschiene für Fahrtreppen oder Fahrsteige sowie Personenfördervorrichtung mit einer solchen Einlaufschiene

Publications (2)

Publication Number Publication Date
EP3722243A1 EP3722243A1 (fr) 2020-10-14
EP3722243B1 true EP3722243B1 (fr) 2023-05-03

Family

ID=69903016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20163857.4A Active EP3722243B1 (fr) 2019-04-11 2020-03-18 Rail d'entrée pour escaliers mécaniques ou trottoirs roulants ainsi que dispositif de transport des personnes doté d'un tel rail d'entrée

Country Status (6)

Country Link
US (1) US10974931B2 (fr)
EP (1) EP3722243B1 (fr)
CN (1) CN111807201B (fr)
DE (1) DE102019205244A1 (fr)
ES (1) ES2946417T3 (fr)
FI (1) FI3722243T3 (fr)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
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US2656031A (en) * 1950-07-07 1953-10-20 Multiscope Inc Moving stairway
US2940578A (en) * 1959-07-27 1960-06-14 Erling A Clemetsen Escalator
JPS5233279A (en) * 1975-09-10 1977-03-14 Hitachi Ltd Main frame of man conveyer
JPS54132990A (en) * 1978-04-05 1979-10-16 Hitachi Ltd Escalator
US5697486A (en) * 1994-11-14 1997-12-16 Investio Ag Device for the guidance of an endless belt for escalators or moving walkways
US7296671B2 (en) * 2000-12-21 2007-11-20 Kone Corporation Drive system for escalators or moving walkways
DE10138462B4 (de) * 2001-08-04 2004-09-30 Kone Corp. Verfahren zum Führen von Laschenketten im Bereich von Umlenkeinrichtungen einer Personenförderanlage
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
JP4458770B2 (ja) * 2002-11-25 2010-04-28 東芝エレベータ株式会社 コンベア装置
CN101407302B (zh) * 2007-08-22 2011-02-02 东芝电梯株式会社 输送装置
CN103771241A (zh) * 2012-10-24 2014-05-07 苏州新达电扶梯部件有限公司 一种大宽度自动人行道驱动总成
TWI612241B (zh) * 2012-12-07 2018-01-21 伊文修股份有限公司 具有梯級帶之升降梯及具有板帶之移動步道
AU2015266278C1 (en) 2014-05-28 2019-02-28 Inventio Ag Link chain of a moving walkway or an escalator
DE102015212031A1 (de) * 2015-06-29 2016-12-29 Thyssenkrupp Ag Stufenkette für Fahrtreppen sowie Personenfördervorrichtung mit einer solchen Stufenkette
DE102017217721A1 (de) * 2017-10-05 2019-04-11 Thyssenkrupp Ag Personenfördervorrichtung mit Laufrollen- und Schonrollenführung der Stufenkette sowie Verfahren zum Führen einer Stufenkette mit Laufrollen und Schonrollen
DE102017130730A1 (de) * 2017-12-20 2019-06-27 Thyssenkrupp Ag Umführung für Außenrollenketten einer Personenbeförderungsvorrichtung

Also Published As

Publication number Publication date
CN111807201A (zh) 2020-10-23
US20200325004A1 (en) 2020-10-15
ES2946417T3 (es) 2023-07-18
FI3722243T3 (fi) 2023-08-01
US10974931B2 (en) 2021-04-13
EP3722243A1 (fr) 2020-10-14
DE102019205244A1 (de) 2020-10-15
CN111807201B (zh) 2023-01-24

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