EP1876135B1 - Système d'actionnement pour acheminement de passagers - Google Patents

Système d'actionnement pour acheminement de passagers Download PDF

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Publication number
EP1876135B1
EP1876135B1 EP07110713A EP07110713A EP1876135B1 EP 1876135 B1 EP1876135 B1 EP 1876135B1 EP 07110713 A EP07110713 A EP 07110713A EP 07110713 A EP07110713 A EP 07110713A EP 1876135 B1 EP1876135 B1 EP 1876135B1
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EP
European Patent Office
Prior art keywords
chain
pitch
pins
circle
driving
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
EP07110713A
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German (de)
English (en)
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EP1876135A1 (fr
Inventor
Thomas Illedits
Lukas Dr. Kräuter
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Inventio AG
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Inventio AG
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Priority to EP07110713A priority Critical patent/EP1876135B1/fr
Publication of EP1876135A1 publication Critical patent/EP1876135A1/fr
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Publication of EP1876135B1 publication Critical patent/EP1876135B1/fr
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/02—Driving gear
    • B66B23/022—Driving gear with polygon effect reduction means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/02—Driving gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/02—Driving gear
    • B66B23/026—Driving gear with a drive or carrying sprocket wheel located at end portions

Definitions

  • the present invention relates to a drive and / or deflection element for a chain, in particular a drive and / or conveyor chain of a continuous conveyor for passenger transport or passenger transport plus their hand luggage.
  • Chains are used today in machine and plant construction in innumerable variants, for example as drive chains of continuous conveyors in passenger transport, especially in escalators or conveyors or moving walks.
  • Drive elements drive the chain or step chain or pallet chain in the direction of rotation, while deflecting elements convert their individual translatory track sections into one another by means of rotation.
  • fall driving and deflecting elements together and are designed for example in the form of sprockets or wedge wheels.
  • engagement elements that are in positive and / or non-positive engagement with the chain or step chain and drive and / or redirect.
  • Such engaging elements cause variations in the speed of the chain strand both in the longitudinal direction (i.e., in the direction of movement of the chain) and in the transverse direction normal thereto due to the so-called polygon effect.
  • Fig. 1 explains: in a conventional engagement element 100, which in Fig. 1 is shown schematically, the chain 200 runs tangentially in the pitch circle 500 such that the chain pins 300 then rotate on the pitch circle 500 with the radius R 500 .
  • Its velocity L v ⁇ cos ( ⁇ ) in the longitudinal direction of the load strand (in the plane of the drawing) Fig.
  • the engagement element is designed as a sprocket 110 with a constant pitch circle 510.
  • a disadvantage it can be seen that lift the chain rollers in the curved guide rail from the tooth root of the sprocket, ie they move relative to the engagement element on the pitch circle, which leads equally to noise and premature wear.
  • Fig. 2 the engagement situation in which the chain pin 310 run in at the lowest point in the tooth base, located.
  • the earlier due to the real contact geometry is Neglected intervention without this affecting the basic principles.
  • the chain pin 310 travels from the smaller active circle to the larger pitch circle 510 and thereby slides upwards, in contrast to the teeth of the sprocket 110.
  • Fig. 14 of US 4930622 Semicircles of different diameters are provided on the periphery of the sprocket. As can be clearly seen from Fig. 14, the centers are all on one and the same circle, only the lowest points of the semicircles have (because of the different diameters) different distance to the center of the sprocket. Thus, according to this document, only one pitch circle is provided, and the polygon effect occurs unabated.
  • Object of the present invention is therefore to provide a drive and / or deflection for a chain or step chain or pallet chain available, which has no polygon effect and / or induces only a small shock and avoids the disadvantages mentioned above.
  • the engagement element or sprocket has a first pitch circle and a second pitch circle with different diameters such that alternately first chain pins on the first pitch circle and second chain pins on the second pitch circle come into engagement with the engagement element.
  • Alternating refers to any predefined sequence of chain pins, which can come alternately or mixed into engagement with the engagement element.
  • a first chain pin on the first pitch circle and the following chain pin of the chain on the second pitch circle engage. (1-2-1-2 order .7)
  • each chain pin engages first on the smaller circle of action and then slides in the tooth space on the larger pitch circle, engage according to the present invention, the chain pins alternately in different pitch circles. They must therefore not slide relative to the engagement element or sprocket to the outside or in the amount, but remain in the different pitch circles, which reduces both the wear and tear as well as the noise or noise due to the relative movement between the chain pin and engagement element.
  • the chain pins are supported during the entire deflection at the tooth base of the engagement element formed as a sprocket. This not only causes a more stable guidance, but also dampens and lowers vertical and vertical vibrations of the chain.
  • the noise and wear behavior of a chain drive with engagement elements according to the invention is greatly improved. Since the polygonal effect is approximately proportional to the chain pitch (distance between the chain pins), due to the reduced or eliminated polygon effect, larger pitches or smaller engagement element diameters or sprocket diameters can now also be realized. For sprockets, their diameter is proportional to their number of teeth, i. directly proportional to the pitch, larger pitches thus correspond to fewer teeth and simpler or easier to produce sprockets. This results in advantages in terms of material costs, the fabrication and mass production.
  • the chain pins comprise, in a manner known per se, rotatably mounted chain rollers or steel or plastic rollers or bushes via which they engage with the engagement element. Whenever reference is made of chain pins, so are also addressed surrounding these chain rollers or chain sleeves, which contribute due to the rolling instead of the sliding friction to reduce friction and wear.
  • the engagement element is formed in a preferred embodiment of the present invention as a sprocket with a toothing, wherein the chain pins engage in tooth gaps of the sprocket.
  • the toothing then advantageously has alternating first tooth gaps on the first pitch circle and second tooth gaps on the second pitch circle. Alternating refers to any predefined sequence of tooth gaps, which can be arranged alternately or mixed in any desired order.
  • the engagement member may be formed in an alternative embodiment as a pair of wedge disks, the chain pins come into frictional contact with the wedge disks.
  • the wedge disks can alternately first areas with a first wedge angle and second Regions having a different second wedge angle, wherein the first pitch circle is defined by the contact points of the first chain pin with the first areas and the second pitch circle through the contact points of the second chain pin with the second areas.
  • an inventive engagement element may have a third pitch circle such that alternately first chain pins on the first pitch circle, second chain pin on the second pitch circle and third chain pin on the third pitch circle are engaged with the engagement element.
  • the third or even further pitch circles thus represent intermediate stages, which allow a finer division of the chain while maintaining the basic principle of the alternating pitch circles.
  • an engagement element comprises a first and / or second guide rail, which guides the first and second chain pins on the first and second pitch circle.
  • that guide rail which guides the chain pins onto the larger pitch circle imparts to this chain pin an additional vertical speed perpendicular to the longitudinal speed and thus compensates for the decreasing longitudinal component of the preceding chain pin.
  • the chain pins can also be guided by the engagement element itself, such as the tooth gaps of a sprocket on the corresponding pitch circles, then depending on the geometry a small polygon effect remains, which is significantly reduced compared to conventional systems. A sliding of the chain pin relative to the engagement element can continue to be prevented.
  • the first or second guide rail guides the first and second chain pins on the first and second pitch circle, respectively, until they come out of engagement with the engagement element.
  • a rolling of the chain can be avoided or at least reduced.
  • a sliding of the chain pin relative to the engagement element is also reduced or eliminated.
  • an above-explained guidance of the chain pins on the pitch circles is preferably realized in a known manner in an inventive engagement element in that the first and / or second chain pins run on the first and second guide rail.
  • a two-part in the circumferential plane of the chain strand guide is provided, wherein a first half, the first, one of these opposite second half forms the second guide rail.
  • the first chain pins have on the first half of the facing side a larger diameter, in particular for a first chain roller, and thus run on the first guide rail, while analogously, the second chain pin on the opposite side have a smaller diameter, in particular for a second chain roller and thus run on the second guide rail.
  • an engagement element according to the invention is preferably designed such that the chain runs tangentially onto the first and / or second pitch circle and / or runs out tangentially from the first and / or second pitch circle.
  • Fig. 4 shows an engagement element according to an embodiment of the present invention in the form of a sprocket 1 from one side.
  • the opposite page is also drawn in unfilled outline.
  • the sprocket 1 deflects a chain 2 between an upper load and a lower slack side by 180 ° and thereby drives them by means of a (not shown) drive, the engagement member to.
  • Deflection and wrap angles as well as entry and exit direction are purely exemplary, other angles and directions can be realized equally by engagement elements according to the invention.
  • the sprocket has a first pitch circle 5 and a second pitch circle 6 with different diameters.
  • the second pitch diameter is the larger by way of example.
  • the sprocket can be designed, for example, as involute toothing 7 with alternating tooth space depths, wherein first tooth gaps 8A, 8C define the first pitch circle 5, second tooth gaps 8B, 8D define the second pitch circle 6, which at a different radial distance from the axis or center of the chain wheel, Otherwise, however, with similar or the same tooth geometry (for example, with respect to undercut, head rounding and the like) are formed.
  • the chain 2 comprises chain pins with chain rollers or skids or runners 3A, 3B, 3C, 3D, which are rotatably or slidably mounted on them, or sledges or chain runners 3, which are connected to one another via link plates or chain links 4.
  • the first chain pins 3A, 3C only comprise chain rollers on the first side, while with these alternating second chain pins 3B, 3D have chain rollers only on the second side.
  • first guide rail 9 which is arranged on the first side of the central longitudinal plane of the chain and the engagement element (in Fig. 4 Below the plane of the drawing and therefore shown in outline) on which the first chain pins 3A, 3C run
  • these first chain pins are tangentially fed to the first pitch circle 5 and from the vertical center plane of the engagement element 1 with this engaged.
  • You will experience a constant circumferential speed v R 5 ⁇ ⁇ , where R 5 denotes the radius of the first pitch circle 5 and ⁇ the rotational speed of the sprocket 1.
  • the chain pins 3A, 3B, 3C, 3D have continuous or divided chain rollers within the link plates 4.
  • the first chain pins 3A, 3C protrude to the first, the second chain pins 3B, 3D to the second side.
  • the tabs 4 alternately inside each roll. These run on the first or second guide rail 9 or 10 arranged there.
  • first and second tooth spaces 8A, 8C and 8B, 8D are successively equipped with first and second chain pins or chain rollers 3A, 3B, 3C, 3D.
  • first and second chain pins or chain rollers 3A, 3B, 3C, 3D come by means of the guide rails 9, 10 tangentially to the respective pitch circle 5 and 6 in or to engage, without in the sequence in to slide or push the tooth spaces. They are advantageously based continuously in the tooth base and thus reduce vertical or vertical vibrations, upwards or downwards to the direction of movement of the chain strand 2.
  • the inner chain pins 3A, 3C are retracted by the respective preceding outer chain pin 3 B, 3D with constant longitudinal speed on the first guide rail 9 in the sprocket, since the preceding outer chain pins 3 B, 3D are deflected on the outer pitch circle 6.
  • the outer chain pins 3B, 3D, being brought onto the outer pitch circle 6, are also accelerated in the vertical direction so that their total speed along the guide rail (s) 6 remains constant, although the longitudinal component of the inner chain pins 3A and 3C pulling them decreases with increasing sprocket rotation.

Landscapes

  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Escalators And Moving Walkways (AREA)
  • Gears, Cams (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • Gear Transmission (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Transmission Devices (AREA)
  • Chain Conveyers (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Liquid Crystal (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Structure Of Belt Conveyors (AREA)

Claims (12)

  1. Système de chaîne, en particulier pour un transporteur continu pour le transport de personnes, avec une chaîne d'entraînement et/ou de transport (2) et un élément d'entraînement et/ou de déviation (1) pour cette chaîne (2) qui présente une multiplicité de premiers et deuxièmes tourillons ou galets ou patins de chaîne (3A, 3B, 3C, 3D) et de maillons ou chaînons (4) reliant ceux-ci, ces tourillons ou galets ou patins de chaîne (3A, 3B, 3C, 3D) reliant de manière articulée les maillons ou chaînons (4),
    caractérisé en ce que l'élément d'entraînement et/ou de déviation présente un premier cercle primitif (5) et un deuxième cercle primitif (6) de telle sorte que des premiers tourillons de chaîne (3A, 3C) et des deuxièmes tourillons de chaîne (3B, 3D) sont en prise avec l'élément d'entraînement et/ou de déviation en alternance respectivement sur le premier cercle primitif (5) et sur le deuxième cercle primitif (6).
  2. Système de chaîne selon la revendication 1, dans lequel les tourillons de chaîne comprennent des galets ou patins de chaîne montés rotatifs, coulissants ou pivotants, par l'intermédiaire desquels ils viennent en prise avec l'élément d'entraînement et/ou de déviation.
  3. Système de chaîne selon l'une des revendications précédentes, dans lequel l'élément d'entraînement et/ou de déviation est conçu comme une roue à chaîne avec une denture (7), les tourillons ou galets de chaîne venant en prise dans des entredents (8A, 8B, 8C, 8D) de la roue à chaîne.
  4. Système de chaîne selon la revendication 3, dans lequel la denture présente en alternance des premiers entredents (8A, 8C) sur le premier cercle primitif (5) et des deuxièmes entredents (8B, 8D) sur le deuxième cercle primitif (6).
  5. Système de chaîne selon la revendication 1 ou 2, dans lequel l'élément d'entraînement et/ou de déviation est conçu comme une paire de roues à coins, les tourillons ou galets de chaîne venant en contact par force avec les roues à coins.
  6. Système de chaîne selon la revendication 5, dans lequel les roues à coins présentent en alternance des premières zones avec un premier angle de coin, et des deuxièmes zones avec un deuxième angle de coin, différent, le premier cercle primitif (5) étant défini par les points de contact des premiers tourillons de chaîne avec les premières zones, et le deuxième cercle primitif (6) étant défini par les points de contact des deuxièmes tourillons de chaîne avec les deuxièmes zones.
  7. Système de chaîne selon l'une des revendications précédentes, dans lequel l'élément d'entraînement et/ou de déviation comporte également un troisième cercle primitif de telle sorte que des premiers tourillons de chaîne (3A, 3C), des deuxièmes tourillons de chaîne (3B, 3D) et des troisièmes tourillons de chaîne sont en prise avec l'élément d'entraînement et/ou de déviation en alternance respectivement sur le premier cercle primitif (5), sur le deuxième cercle primitif (6) et sur le troisième cercle primitif.
  8. Système de chaîne selon l'une des revendications précédentes, dans lequel l'élément d'entraînement et/ou de déviation comporte un premier rail de guidage (9) qui amène les premiers tourillons de chaîne sur le premier cercle primitif ; et/ou qui comporte un deuxième rail de guidage (10) qui amène les deuxièmes tourillons de chaîne sur le deuxième cercle primitif.
  9. Système de chaîne selon la revendication 8, dans lequel les premier et deuxième rails de guidage guident les premiers et deuxièmes tourillons de chaîne sur les premier et deuxième cercles primitifs jusqu'à ce qu'ils cessent d'être en prise avec l'élément d'entraînement et/ou de déviation.
  10. Système de chaîne selon la revendication 8 ou 9, dans lequel les premiers et/ou deuxièmes tourillons de chaîne roulent ou glissent sur les premier et deuxième rails de guidage.
  11. Système de chaîne selon l'une des revendications précédentes, dans lequel la chaîne arrive tangentiellement sur le premier et/ou le deuxième cercle primitif.
  12. Système de chaîne selon l'une des revendications précédentes, dans lequel la chaîne sort tangentiellement du premier et/ou du deuxième cercle primitif.
EP07110713A 2006-07-04 2007-06-21 Système d'actionnement pour acheminement de passagers Active EP1876135B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07110713A EP1876135B1 (fr) 2006-07-04 2007-06-21 Système d'actionnement pour acheminement de passagers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06116556 2006-07-04
EP07110713A EP1876135B1 (fr) 2006-07-04 2007-06-21 Système d'actionnement pour acheminement de passagers

Publications (2)

Publication Number Publication Date
EP1876135A1 EP1876135A1 (fr) 2008-01-09
EP1876135B1 true EP1876135B1 (fr) 2011-04-06

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Country Status (17)

Country Link
US (1) US7918326B2 (fr)
EP (1) EP1876135B1 (fr)
JP (1) JP5176223B2 (fr)
KR (1) KR101355224B1 (fr)
CN (1) CN100562480C (fr)
AT (1) ATE504534T1 (fr)
AU (1) AU2007203100B2 (fr)
BR (1) BRPI0702952B1 (fr)
CA (1) CA2592921C (fr)
DE (1) DE502007006870D1 (fr)
ES (1) ES2364433T3 (fr)
HK (1) HK1117122A1 (fr)
MX (1) MX2007008167A (fr)
RU (1) RU2437824C2 (fr)
TW (1) TWI391314B (fr)
UA (1) UA93663C2 (fr)
ZA (1) ZA200705466B (fr)

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WO2015010894A1 (fr) 2013-07-26 2015-01-29 Inventio Ag Palette de tapis roulant et tapis roulant
RU2640374C2 (ru) * 2012-12-07 2017-12-28 Инвенцио Аг Цепное колесо элеваторной цепи или направляющее колесо с увеличенным сроком службы
WO2018041931A1 (fr) 2016-08-31 2018-03-08 Inventio Ag Maillon de chaîne d'une chaîne de transport résistant à des contraintes élevées, destinée à un tapis roulant, un escalier roulant ou un ascenseur
RU2682693C1 (ru) * 2014-05-28 2019-03-20 Инвенцио Аг Шарнирная цепь траволатора или эскалатора

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2640374C2 (ru) * 2012-12-07 2017-12-28 Инвенцио Аг Цепное колесо элеваторной цепи или направляющее колесо с увеличенным сроком службы
WO2015010894A1 (fr) 2013-07-26 2015-01-29 Inventio Ag Palette de tapis roulant et tapis roulant
RU2682693C1 (ru) * 2014-05-28 2019-03-20 Инвенцио Аг Шарнирная цепь траволатора или эскалатора
WO2018041931A1 (fr) 2016-08-31 2018-03-08 Inventio Ag Maillon de chaîne d'une chaîne de transport résistant à des contraintes élevées, destinée à un tapis roulant, un escalier roulant ou un ascenseur

Also Published As

Publication number Publication date
US20080017475A1 (en) 2008-01-24
KR101355224B1 (ko) 2014-01-24
JP5176223B2 (ja) 2013-04-03
ATE504534T1 (de) 2011-04-15
CN101100262A (zh) 2008-01-09
RU2437824C2 (ru) 2011-12-27
ES2364433T3 (es) 2011-09-02
UA93663C2 (uk) 2011-03-10
KR20080004399A (ko) 2008-01-09
EP1876135A1 (fr) 2008-01-09
CN100562480C (zh) 2009-11-25
US7918326B2 (en) 2011-04-05
TW200817269A (en) 2008-04-16
MX2007008167A (es) 2009-01-07
BRPI0702952B1 (pt) 2018-11-27
JP2008013370A (ja) 2008-01-24
AU2007203100B2 (en) 2013-04-04
AU2007203100A1 (en) 2008-01-24
ZA200705466B (en) 2008-08-27
DE502007006870D1 (de) 2011-05-19
RU2007125166A (ru) 2009-01-10
TWI391314B (zh) 2013-04-01
HK1117122A1 (en) 2009-01-09
CA2592921A1 (fr) 2008-01-04
CA2592921C (fr) 2014-08-19
BRPI0702952A (pt) 2008-02-26

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