EP2952465A1 - Transmission continue de la main courante - Google Patents

Transmission continue de la main courante Download PDF

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Publication number
EP2952465A1
EP2952465A1 EP15170123.2A EP15170123A EP2952465A1 EP 2952465 A1 EP2952465 A1 EP 2952465A1 EP 15170123 A EP15170123 A EP 15170123A EP 2952465 A1 EP2952465 A1 EP 2952465A1
Authority
EP
European Patent Office
Prior art keywords
handrail
belt
drive
transport device
passenger transport
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
EP15170123.2A
Other languages
German (de)
English (en)
Other versions
EP2952465B1 (fr
Inventor
Detlev Lindemeier
Reiner Ludwig
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 GmbH
Original Assignee
ThyssenKrupp Elevator Innovation GmbH
ThyssenKrupp Elevator Innovation Center SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ThyssenKrupp Elevator Innovation GmbH, ThyssenKrupp Elevator Innovation Center SA filed Critical ThyssenKrupp Elevator Innovation GmbH
Publication of EP2952465A1 publication Critical patent/EP2952465A1/fr
Application granted granted Critical
Publication of EP2952465B1 publication Critical patent/EP2952465B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66B23/04—Driving gear for handrails
    • 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
    • B66B23/04—Driving gear for handrails
    • B66B23/06—Driving gear for handrails with means synchronising the operation of the steps or the carrying belts and the handrails

Definitions

  • the present invention relates to a passenger transport device according to the preamble of patent claim 1.
  • Conveying devices for transporting people, in particular escalators, moving walks or conveyor belts, in various designs are known from the prior art.
  • Such devices are used for example for transporting people between levels of a building (escalators) or along a level path (moving walks).
  • an escalator includes a plurality of steps or a belt on which people to be conveyed are to be carried from one location to another.
  • a handrail is usually provided, which runs over a balustrade and provides a surface on which carried people can hold for example.
  • Such a handrail typically has two handrail bands each having a flat surface which is aligned parallel to the floor or to the direction of movement of the conveyor.
  • a segmented belt or pallet belt is conventionally driven by means of a drive.
  • the handrail must in this case be driven in such a way that it moves uniformly with the pallet band.
  • the drive of the pallet belt via appropriate transmission, such as chain drive also drives the handrail.
  • the movement of the handrail is rigidly coupled to the movement of the pallet belt.
  • this rigid coupling of the handrail or the handrail with the pallet band is associated with a number of disadvantages in terms of energy consumption and wear.
  • the energy consumption of a typical escalator with no load about 400 W, of which about 80% fall on the drive of the handrail. Only the remaining 20% fall on the drive of the pallet belt.
  • the life of a handrail is substantially determined by the number of its turns, and thus can be increased if the number of turns can be reduced.
  • the aim is to provide a passenger transportation device which can be operated in an energy-efficient and user-friendly manner at the same time.
  • the present invention proposes a passenger transport device with the features of claim 1.
  • the drive of a segmented belt or pallet belt can be coupled in a simple manner with a mechanism for moving the handrail, or decoupled from this. It is according to the invention only a single drive for driving the segmented belt and the pallet belt needed. According to the invention, the operation of a passenger transport device is possible in a particularly energy-saving manner, since the handrail is not necessarily moved during a movement of the segmented belt. At the same time, a passenger approaching the passenger transport device can easily be signaled by the movement of the segmented belt that the passenger transport device is in operation. Conveniently, the handrail is coupled with the belt drive of the segmented belt only when an actual need exists, so for example, a passenger enters the passenger transport device.
  • the coupling device comprises a continuously variable transmission for stepless adjustment of the speed of the handrail relative to the speed of the segmented belt.
  • control the coupling device by means of a control device, in particular as a function of a detected presence of at least one passenger in the surroundings or on the passenger transport device.
  • a suitable sensor system for example a light barrier, can be provided, by means of which a signal can be given to a control device, which is expedient for its coupling of the handrail to the segmented band.
  • the coupling device is designed as an electromagnetic, hydraulic, pneumatic or mechanical coupling. Such couplings require little space, work very quietly and prove to be robust and reliable in practice.
  • magnetorheological or electrorheological couplings can be precisely and quickly controlled by appropriate application of a suitable magnetic or electric field in a simple manner, working very quietly.
  • a magnetorheological or electrorheological fluid used in this case alters its consistency, for example from liquid to gel, to solid under the influence of the magnetic field or the electric field.
  • These liquids can be sealed in a very good way to the outside, wherein they have a low internal friction in the separated state. Further, they have a better heat dissipation, whereby operation in a slip state over long periods can be easily maintained.
  • the formation of the coupling device as a multi-plate clutch.
  • two handrail bands of a handrail can be coupled independently of one another by the segmented band.
  • This measure can be achieved, for example, that only a handrail, conveniently the handrail on which a user or passenger is supported, is moved with the segmented band.
  • the second handrail can in this case remain in its decoupled with respect to the segmented band state and thus stand still.
  • the energy consumption of a Wegbelieseinreichtung invention is further optimized.
  • the passenger transport device is designed as an escalator, moving walk or as a conveyor belt.
  • FIG. 1 shows the drive of a trained example as an escalator passenger transport device according to the prior art in a schematic representation.
  • the escalator has a drive unit 102, a main drive chain 104, a main drive sprocket 106, two drive wheels 108 (left) and 108 '(right) for a segmented belt, in the case of an escalator so a step belt (not shown), a main drive shaft 110, a drive pinion 112 for a handrail having two handrail bands (not shown), a handrail drive chain 114, a sprocket 116, a handrail drive shaft 118, and a handrail 120, 120 'for the handrail bands of the handrail, respectively.
  • the drive unit 102 drives the main drive chain, which drives the two drive wheels 108, 108 'connected to the main drive shaft 110 for the step belt.
  • the step belt is driven by and supported by the drive wheels 108, 108 '.
  • the main drive shaft 110 also drives the drive pinion 112.
  • the rotation of the drive pinion 112 is transmitted via the drive chain 114 and the sprocket 116, to the drive shaft 118 of the handrail.
  • FIG. 2 is a first preferred embodiment of the invention (for example, also designed as an escalator) passenger transport device according to the invention shown in a corresponding representation purely schematically. Same or similar components, as in FIG. 1 have been described are provided with the same reference numerals.
  • the escalator here designated 200, has two clutches 222, 222 'for the two handrail straps of the handrail, a handrail control unit 224 and a main control unit 226 for the escalator as a whole.
  • the couplings 222, 222 ' are detachably formed. This makes it possible to jointly drive the step belt and the handrail by means of the drive unit 102 in a first, coupled operating state. In a second, decoupled operating state However, it is also possible to decouple the handrail from the step band, and so for example to let the handrail stand still while the step band is kept in motion. This is a particularly energy-efficient operation of escalators realized.
  • the clutches 222, 222 ' are individually and independently controllable by the control unit 224.
  • the speed of the handrail can be adjusted differently from the speed of the step belt.
  • the main control unit 226 is adapted to control the movement of the escalator in response to a desired speed as well as, for example, a carried load, ie, in particular, the entirety of the passengers being carried.
  • the handrail control unit 224 communicates with the main control unit via a suitable communication channel, and is particularly designed to control the clutches 222, 222 '.
  • FIG. 3 is a further embodiment of the passenger transport device according to the invention (hereby designated by 300) shown in a corresponding representation. Again, components already described are provided with the same reference numerals.
  • the embodiment according to FIG. 3 is different from the one of FIG. 2 in that the coupling elements of the coupling 316 can only be actuated together, a movement of the handrail bands 120, 120 'independently of one another is therefore not possible. This control is characterized by a particular simplicity, and is suitable for a variety of applications or situations.
  • coupling device of a passenger transport device 400 is formed as a viscous coupling and 422, 422 'designated.
  • a viscous coupling the rotational movement of the shaft 118 (input side) is transmitted to a first disc or lamella 423, which transmits them to a fluid provided between this disc and a further disc 424, which in turn the second disc 424 (output side) drives.
  • the viscous coupling is designed as a magnetorheological or electrorheological coupling.
  • FIG. 5 is shown as passenger transport means an escalator 500 schematically, in which the movement of the handrail is coupled via a continuously variable transmission or CVT gear 502 to the movement of the step band.
  • the CVT transmission 502 Continuous Variable Transmission
  • the CVT transmission 502 has a wedge disk pair 0 on the drive side and a wedge disk pair 0 on the output side.
  • Drive side and output side of the CVT 502 are interconnected via a V-belt 502.
  • the distance between both wedge disk pairs 518, 520 is changeable.
  • the distance of the output-side wedge disks 520 is regulated by a spring 522.
  • the V-belt 502 is circular at both ends.

Landscapes

  • Escalators And Moving Walkways (AREA)
EP15170123.2A 2014-06-04 2015-06-01 Transmission continue de la main courante Active EP2952465B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014210649.4A DE102014210649A1 (de) 2014-06-04 2014-06-04 Personenbeförderungsvorrichtung

Publications (2)

Publication Number Publication Date
EP2952465A1 true EP2952465A1 (fr) 2015-12-09
EP2952465B1 EP2952465B1 (fr) 2016-10-05

Family

ID=53365822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15170123.2A Active EP2952465B1 (fr) 2014-06-04 2015-06-01 Transmission continue de la main courante

Country Status (3)

Country Link
EP (1) EP2952465B1 (fr)
DE (1) DE102014210649A1 (fr)
ES (1) ES2609664T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015145313A (ja) * 2014-02-04 2015-08-13 三菱電機ビルテクノサービス株式会社 乗客コンベヤ
EP3753894A1 (fr) * 2020-01-21 2020-12-23 Thyssenkrupp Elevator Innovation Center, S.A. Système de commande de main-courante pour un escalier roulant

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07252072A (ja) 1994-03-17 1995-10-03 Hitachi Ltd マンコンベア
DE19539796A1 (de) 1995-10-26 1997-04-30 O & K Rolltreppen Gmbh Sicherheitseinrichtung für Personenförderanlagen
JPH1095586A (ja) * 1996-09-24 1998-04-14 Hitachi Ltd 乗客コンベアの運転方法
DE112006004175T5 (de) 2006-12-21 2009-10-15 Otis Elevator Company, Farmington Antriebsvorrichtung für den Handlauf einer Personenbeförderungsvorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07252072A (ja) 1994-03-17 1995-10-03 Hitachi Ltd マンコンベア
DE19539796A1 (de) 1995-10-26 1997-04-30 O & K Rolltreppen Gmbh Sicherheitseinrichtung für Personenförderanlagen
JPH1095586A (ja) * 1996-09-24 1998-04-14 Hitachi Ltd 乗客コンベアの運転方法
DE112006004175T5 (de) 2006-12-21 2009-10-15 Otis Elevator Company, Farmington Antriebsvorrichtung für den Handlauf einer Personenbeförderungsvorrichtung
US7954620B2 (en) 2006-12-21 2011-06-07 Otis Elevator Company Passenger conveyor handrail drive control strategy

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015145313A (ja) * 2014-02-04 2015-08-13 三菱電機ビルテクノサービス株式会社 乗客コンベヤ
EP3753894A1 (fr) * 2020-01-21 2020-12-23 Thyssenkrupp Elevator Innovation Center, S.A. Système de commande de main-courante pour un escalier roulant

Also Published As

Publication number Publication date
EP2952465B1 (fr) 2016-10-05
DE102014210649A1 (de) 2015-12-17
ES2609664T3 (es) 2017-04-21

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