EP2065328A1 - Fördersystem zum Transport von Passagieren oder Waren - Google Patents

Fördersystem zum Transport von Passagieren oder Waren Download PDF

Info

Publication number: EP2065328A1
Authority: EP; European Patent Office
Prior art keywords: drive; chain; engagement; links; transport
Prior art date: 2007-11-28
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

EP07380331A

Other languages

English (en)

French (fr)

Other versions

EP2065328B1 (de

Inventor

Miguel Gonzalez Alemany

Jose Ojeda Arenas

Juan Domingo Gonzalez Pantiga

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.)

ThyssenKrupp Elevator ES PBB Ltd

Original Assignee

ThyssenKrupp Elevator ES PBB Ltd

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.)

2007-11-28

Filing date

2007-11-28

Publication date

2009-06-03

2007-11-28 Application filed by ThyssenKrupp Elevator ES PBB Ltd filed Critical ThyssenKrupp Elevator ES PBB Ltd

2007-11-28 Priority to EP20070380331 priority Critical patent/EP2065328B1/de

2007-11-28 Priority to ES07380331T priority patent/ES2446070T3/es

2009-06-03 Publication of EP2065328A1 publication Critical patent/EP2065328A1/de

2013-11-13 Application granted granted Critical

2013-11-13 Publication of EP2065328B1 publication Critical patent/EP2065328B1/de

Status Not-in-force legal-status Critical Current

2027-11-28 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

Definitions

the invention relates to a passenger or goods conveyor system and, more particularly to a moving walkway pallet actuation system.
Conventional passenger conveyor devices such as mechanical stairs or moving walkways include a chain of steps or pallets which shift in a loop to provide continuous movement along a specific trajectory.
the steps or pallets are connected to said chain link loop of steps or pallets acting together with an actuation system.
the actuation system normally consists of a chain of steps or pallets, actuation gear wheels, a shaft and an electric drive motor.
the drive motor actuates the drive gear wheel which conveys movement to the links of the chain of steps or pallets. While the links of this chain move, the steps or the pallets move as desired.
a conveyor system such as a moving walkway designed according to this invention, which can operate in both directions of transport improves the comfort and safety of the passenger, reduces the height of the upper and lower end sections of the conveyor system, reduces the cost of the conveyor system, eliminates the need for extensive civil construction job to create a pit and enable a portable moving walkway system.
the pallet actuation system for the proposed moving walkway includes a small horizontally arranged geared motor, short pallets specially designed with upper grooves, small actuation gear wheels, actuation shafts and a drive chain formed by transmission chains and a plurality of separate deformable rollers.
the drive chain directly meshes with a claw or first arc-shaped engagement means designed under each of the traction links.
the short pallet allows the radius of the return section to be small and therefore the upper and lower heads of the conveyor system can be designed with a smaller height in comparison with solutions in the state of the art.
the small teeth and the claw are designed under each traction link.
the pallets can be part of the traction chain and its linkage is located close to the bearing surface, allowing a small transition radius for inclined walkways.
the deformable drive roller meshes with the claw under the traction link.
the lower teeth can mesh with the drive chain.
Such design assures that the high force is shared between the deformable drive rollers and the drive chain. Furthermore if the shaft-pin or rod of the drive rollers breaks for any reason, the actuation system will continue to operate safely.
actuation modules can be used in larger moving walkways, whereby one can be located at the upper end and the other one at the lower end.
steps of a mechanical stair are also included as pallets.
the invention relates to a conveyor system for the transport of passengers/goods comprising:
the system of the invention can comprise a plurality of load conveyor pallets having:
the system of the invention contemplates that the engagement between the drive chains and the traction chain can occur on one side or on both. Therefore the drive means can comprise:
the drive means can comprise:
the drive rollers can have a length substantially equal to a space between the drive chains of each pair.
the system of the invention can likewise comprise a drive roller for each link of the traction chain.
the drive means can comprise at least one drive chain formed by links and bushings, a plurality of cavities configured such that the teeth mesh with the chain in said cavity being defined between the links and bushings.
the first engagement means i.e. the teeth or the claw
the first outer layer comprising materials selected from deformable and resilient materials.
the drive rollers can be made of materials selected from deformable and resilient materials.
the drive rollers can be laminated with a second outer layer comprising materials selected from deformable and resilient materials.
the drive rollers can be made of polymer materials.
the drive rollers can alternatively be laminated with a second outer layer made of polymer materials.
the polymer materials can be selected from elastomers, polyurethanes and combinations thereof.
bushings of the chain can have a third outer layer comprising materials selected from deformable and resilient materials.
This third outer layer can be made of polymer materials.
the polymer materials can be selected from elastomers, polyurethanes and combinations thereof.
first, second and third outer layers allow the gears between the different elements involved in transmitting movement to be much smoother than with metal-metal contact, which involves quieter operation and with dampened contacts between starting and end engagement moments in addition to elongating the useful life of said elements.
connection between pallets through the shafts-pins is lubricated by means of lubricants selected from dry and wet lubricants.
connection between the shafts of the drive roller and the drive rollers can be carried out by means of ball or friction bearings.
the drive chains can have, coaxially to each of its linkages, a guide roller completely defining, by means of a guide and a counter-guide, the path to be followed by the chain, allowing the chain to work by being pushed and preventing the necessary tension in the tension shaft of said chain so that it can work by being pulled.
the invention relates to a pallet actuation system moving the pallets of a moving walkway through drive chains directly engaging the lower part of the traction chains.
the drive chain has separate drive rollers which are made of deformable and elastic materials.
the links of the traction chain are designed with teeth and claws in the lower part to mesh with the drive chain and the rollers.
the short pallet and the traction system allow a small radius in the return section and, therefore, reduce the height of the heads of the walkway.
the connecting shaft is located close to the surface of the pallet, it is possible to design inclined moving walkways with smaller transition radiuses without opening large gaps between the pallets, reducing the total length of the moving walkway for a specific elevation and allowing the gaps existing between pallets to be decreased.
This system allows more than one actuation to be located in different parts of the walkway. The total dimensions of the moving walkway are reduced with this invention and low noise and vibration levels are assured, improving user comfort.
Figure 1 shows a moving walkway having a supporting structure comprising an upper end section or head (1), a lower end section or head (2) and an intermediate section (3).
a worm belt is made up of a series of links (100) which are connected by shafts-pins (4). These links (100) are held by bearing rollers (200) which are led by means of guides (230) designed in the bearing profile of the moving walkway.
the guides (230) comprise an upper return section (211) and a lower return section (210) leading the links (100) at both ends of the system.
the radiuses of the upper return section (211) and of the lower return section (210) can be small, greatly reducing the height of the heads in comparison with walkways according to the current state of the art.
the traction chain (100) is driven by the drive means formed by at least two drive chains (300) provided with deformable drive rollers (330) configured to mesh with the first arc-shaped contact means (130) of the lower portion of the links of the chain (100).
the traction chains are also driven through the second teeth-shaped contact means (131) of the lower portion of the links (100). These teeth (131) are configured to mesh with the cavities defined between the links and bushings of the drive chains (300).
the system further comprises a fixed part (500) configured to make contact in one side of the drive chain (300) opposite to that of the engagement with the traction links (100) in order to push the drive chain (300) against the traction links (100) in the engagement area to prevent a disengagement between the drive chain (300) and the traction links (100).
a fixed part (500) configured to make contact in one side of the drive chain (300) opposite to that of the engagement with the traction links (100) in order to push the drive chain (300) against the traction links (100) in the engagement area to prevent a disengagement between the drive chain (300) and the traction links (100).
the drive chain (300) is actuated by small drive gear wheels (310, 320), a leading wheel, the leading drive wheel (310) and a follower wheel, the follower drive wheel (320), which are held by drive shafts (311, 321), a motor shaft, the motor drive shaft (311) and a follower shaft, the follower drive shaft (321).
the motor drive shaft (311) is actuated by actuation means formed by an actuation chain (400) actuated by a geared motor (410) horizontally located in the upper end section (1) of the moving walkway.
Figure 5 shows the basic configuration of the pallet actuation system (100) showing small actuation gear wheels (310, 320) and shafts (311, 321) actuating the drive chain (300) and its deformable drive rollers (330).
Figure 6 shows the enlarged view of the drive chain (300) with separate deformable drive rollers (330).
the drive rollers (330) can be made of or can have a second laminated outer layer (340) made of deformable or elastic materials, such as polyurethane, elastomer or any form of polymer.
the bushings (350) and the third outer layer (351) coating said bushings can also be seen in said figure.
Figure 7 shows a detail of the first arc-shaped contact means or claw (130) and of the second teeth-shaped contact means (131) under a traction link (100).
a number of deformable drive rollers (330) will mesh with the same number of claws (130) under the links (100).
an excessively high contact force is experienced by the deformable drive rollers (330), which could be due to the lengthening of the traction chain (100) or of the drive chain (300) caused by wear, more deformation than expected will occur in the deformable drive rollers (330).
a situation of this type will make the teeth (131) under the traction link mesh with the cavities defined between the links and bushings of the drive chain (300).
Figure 8 shows a section of the traction link with the claws (130) and with the teeth (131) of the traction link coated by a layer of deformable or elastic materials such as elastomers, polyurethane, or any form of polymer materials (190, 191).
the first (190, 191), second (340) and third (351) outer layers allow engagement between the different elements involved in the transmission of the movement to be much smoother than with a metal-metal contact, which means a much quieter operation and dampened contacts between starting and end engagement moments in addition to elongating the useful life of said elements, i.e., of the first engagement means formed by the concave arc (130) and the teeth (131), of the second engagement means formed by the drive roller (330) and the housings (331) defined between the bushings (350) and the links (360) of the drive chain (300).
Figure 1 shows a detail of an inclined conveyor with transition areas (240, 241, 242, 243). Due to the position of the shafts-pins or rods (4) connecting the traction links (100), the transition radius can be reduced such that the overall dimensions of the conveyor are smaller than in the constructions of the state of the art.
Figure 9 shows a detail of the drive chain (300) with the guide rollers (370) circulating through a guide and counter-guide path (400), allowing the upper branch of the drive chain (300A) to work by being pushed to move the traction links (100).
the guide rollers (370) are assembled on the side of the drive chains by means of an elongated shaft (355) as indicated in Figure 10 .
system further comprises:

Landscapes

Escalators And Moving Walkways (AREA)

EP20070380331 2007-11-28 2007-11-28 Fördersystem zum Transport von Passagieren oder Waren Not-in-force EP2065328B1 (de)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
EP20070380331 EP2065328B1 (de)	2007-11-28	2007-11-28	Fördersystem zum Transport von Passagieren oder Waren
ES07380331T ES2446070T3 (es)	2007-11-28	2007-11-28	Sistema de transporte para desplazamiento de pasajeros/mercancías

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP20070380331 EP2065328B1 (de)	2007-11-28	2007-11-28	Fördersystem zum Transport von Passagieren oder Waren

Publications (2)

Publication Number	Publication Date
EP2065328A1 true EP2065328A1 (de)	2009-06-03
EP2065328B1 EP2065328B1 (de)	2013-11-13

Family

ID=39332137

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20070380331 Not-in-force EP2065328B1 (de)	2007-11-28	2007-11-28	Fördersystem zum Transport von Passagieren oder Waren

Country Status (2)

Country	Link
EP (1)	EP2065328B1 (de)
ES (1)	ES2446070T3 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES2342532A1 (es) *	2009-12-29	2010-07-07	Thyssenkrupp Elevator Innovation Center S.A.	Sistema de accionamiento para escaleras y pasillos moviles.
CN102001571A (zh) *	2009-09-02	2011-04-06	东芝电梯株式会社	输送机装置
WO2012013520A1 (de) *	2010-07-26	2012-02-02	Mertl, Daniel	Beförderungsmittel, insbesondere rolltreppe, rollsteig, oder dergleichen
DE102012009330A1 (de) *	2012-05-10	2013-11-14	Remmert Gmbh & Co. Kg	Antriebskette, Antriebsanordnung und damit gebildete Lagereinheit

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB272016A (en) *	1926-05-03	1927-06-09	Express Lift Co Ltd	Improvements in or relating to endless conveyors
US3365051A (en) *	1964-06-25	1968-01-23	Westinghouse Electric Corp	Moving walk
US3677388A (en)	1970-11-23	1972-07-18	Westinghouse Electric Corp	Modular drive unit for a conveyor
NL7706320A (nl)	1976-06-10	1977-12-13	Otis Elevator Co	Aandrijfeenheid voor een eindloze transporteur.
US20020104735A1 (en)	2001-02-02	2002-08-08	Otis Elevator Company	Belt drive back up device for escalator drive
WO2004054919A1 (en)	2002-12-13	2004-07-01	Otis Elevator Company	Stepchain link for a passenger conveyor system
WO2004063078A1 (en)	2003-01-07	2004-07-29	Otis Elevator Company	Passenger conveyor drive module arrangement

2007
- 2007-11-28 EP EP20070380331 patent/EP2065328B1/de not_active Not-in-force
- 2007-11-28 ES ES07380331T patent/ES2446070T3/es active Active

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB272016A (en) *	1926-05-03	1927-06-09	Express Lift Co Ltd	Improvements in or relating to endless conveyors
US3365051A (en) *	1964-06-25	1968-01-23	Westinghouse Electric Corp	Moving walk
US3677388A (en)	1970-11-23	1972-07-18	Westinghouse Electric Corp	Modular drive unit for a conveyor
NL7706320A (nl)	1976-06-10	1977-12-13	Otis Elevator Co	Aandrijfeenheid voor een eindloze transporteur.
US20020104735A1 (en)	2001-02-02	2002-08-08	Otis Elevator Company	Belt drive back up device for escalator drive
WO2004054919A1 (en)	2002-12-13	2004-07-01	Otis Elevator Company	Stepchain link for a passenger conveyor system
WO2004063078A1 (en)	2003-01-07	2004-07-29	Otis Elevator Company	Passenger conveyor drive module arrangement

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102001571A (zh) *	2009-09-02	2011-04-06	东芝电梯株式会社	输送机装置
ES2342532A1 (es) *	2009-12-29	2010-07-07	Thyssenkrupp Elevator Innovation Center S.A.	Sistema de accionamiento para escaleras y pasillos moviles.
WO2012013520A1 (de) *	2010-07-26	2012-02-02	Mertl, Daniel	Beförderungsmittel, insbesondere rolltreppe, rollsteig, oder dergleichen
DE102012009330A1 (de) *	2012-05-10	2013-11-14	Remmert Gmbh & Co. Kg	Antriebskette, Antriebsanordnung und damit gebildete Lagereinheit
DE102012009330B4 (de) *	2012-05-10	2017-08-24	Remmert Gmbh & Co. Kg	Antriebskette, Antriebsanordnung und damit gebildete Lagereinheit

Also Published As

Publication number	Publication date
ES2446070T3 (es)	2014-03-06
EP2065328B1 (de)	2013-11-13

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