EP1777191A1 - Système de porte d'ascenseur - Google Patents

Système de porte d'ascenseur Download PDF

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Publication number
EP1777191A1
EP1777191A1 EP06121962A EP06121962A EP1777191A1 EP 1777191 A1 EP1777191 A1 EP 1777191A1 EP 06121962 A EP06121962 A EP 06121962A EP 06121962 A EP06121962 A EP 06121962A EP 1777191 A1 EP1777191 A1 EP 1777191A1
Authority
EP
European Patent Office
Prior art keywords
door
force transmission
transmission means
vertical axis
door system
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
EP06121962A
Other languages
German (de)
English (en)
Other versions
EP1777191B1 (fr
Inventor
Peter A. Spiess
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.)
Inventio AG
Original Assignee
Inventio AG
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 Inventio AG filed Critical Inventio AG
Priority to EP06121962A priority Critical patent/EP1777191B1/fr
Publication of EP1777191A1 publication Critical patent/EP1777191A1/fr
Application granted granted Critical
Publication of EP1777191B1 publication Critical patent/EP1777191B1/fr
Not-in-force 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
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors
    • B66B13/08—Door or gate operation of sliding doors guided for horizontal movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices

Definitions

  • the invention relates to elevator doors systems and, in particular, to an elevator door system comprising a door that is wound upon a vertical axis during an opening operation.
  • Each elevator door is generally formed from a stainless steel sheet or interconnected vertical rigid panels, typically manufactured from a metal.
  • the plurality of panels or sheet is wound onto and unwound from a vertical axis in the form of a motorised reel whereby the driving force from the motor is transmitted through the reel and onto the door to provide lateral movement thereof.
  • the door is biased to its closed position by a weight or spring. Accordingly, to open the door, the motor must develop a force which must overcome the inherent friction and also the counteracting biasing force of the weight or spring to provide the necessary acceleration.
  • the objective of the present invention is to make more efficient use of the motor, thereby enabling savings in both cost and space requirement.
  • an elevator door system comprising, a motor, a vertical axis, a door attached at a first end to the vertical axis for winding and unwinding thereupon CHARACTERISED IN further comprising force transmission means interconnecting a second end of the door and compensation means whereby the motor simultaneously drives the vertical axis and the compensation means and wherein the compensation means has a variable diameter.
  • the force transmission means is simultaneously wound upon the compensation means.
  • the compensation means has a variable diameter to compensate for, amongst other things, the changes in the diameter the door wound on the vertical axis.
  • the compensation means is a cone whereby the force transmission means is attached to a large diameter portion thereof and, in use, is wound successively in decreasing diameter thereupon.
  • the current diameter at which the force transmission means is being wound around the cone corresponds with the diameter that the outermost layer of the door is wound around the vertical axis.
  • the pitch between successive windings of the force transmission means on the cone is substantially equal to the depth of the door. Accordingly, the tension in the force transmission means and the door can be kept relatively constant during operation even though the depth dimension of the force transmission means is considerably smaller than that of the door.
  • a wire, a rope or a cable is suitable for use as the force transmission means.
  • the compensation means is mounted on the vertical axis. According, the motor need only drive one of the compensation means and the vertical axis to ensure simultaneous rotation of the other.
  • resilient means interconnects the cone and the vertical axis. It is beneficial to provide some resilience in the system to absorb energy therefrom if, for example, the door engages with an obstruction during a closing operation.
  • the vertical axis and the compensation means are disposed on one side of the doorway and the force transmission means is deflected by a pulley disposed on an opposite side of the doorway.
  • a door system according to any preceding claim wherein the tension in the force transmission means is greater than or equal to a combination of the acceleration and friction forces acting on the door. Accordingly, the force transmission means will never go slack during operation of the door system.
  • a first force transmission means is provided at an upper part of the door and coupled to a first compensation means
  • a second force transmission means is provided at a lower part of the door and coupled to a second compensation means.
  • the tension of the second force transmission means should be at least mgs/h greater than the tension of the first force transmission where m is the mass of the door panel, g is the gravitational force, s is horizontal displacement of the upper end of the panel relative to the lower end of the panel and h is the height of the panel.
  • Fig. 1 is a general perspective view of an elevator door system 1 according to the present invention incorporating a car door 2 which, in use, is used to control access to an elevator car (not shown) through a doorway from a landing within a building.
  • the door 2 is composed of a plurality of vertically aligned panels 4 each of which is preferably extruded from aluminium for its superior strength to weight ratio.
  • the panels 4 are bound at their upper and lower extremities by flexible belts 6 and guided in upper and lower guide channels (not shown).
  • the belts 6 are attached at one end to a reel 10 mounted at one side of the doorway, rotation of which is controlled by a motor 12 to open and close the door 2.
  • the opposing ends of the belts 6 are attached to cables 14 which are deflected by diverting pulleys 16 mounted at the other side of the doorway and connected to conical spools 20 which are also rotated by the motor 12.
  • cables 14 which are deflected by diverting pulleys 16 mounted at the other side of the doorway and connected to conical spools 20 which are also rotated by the motor 12.
  • the door 2 In a closing operation, the door 2 is unwound or paid-out from the reel 10 whereas the cables 14 are simultaneously wound or drawn upon the conical spools 20.
  • an opening operation the door 2 is wound onto the reel 10 while the cables 14 are unwound from the conical spools 20.
  • Fig. 2 is a cross-section through an upper portion of the reel 10 of Fig. 1. It will be readily appreciated that the lower portion of the reel 10 corresponds.
  • the reel 10 is provided with a central axle 18 which, in use, is driven by the motor 12.
  • the reel 10 and central axle 18 are rotatably supported by bearings 32 on a fixation bracket 30 which is securely mounted to the elevator car.
  • the conical spool 20 is rotatably mounted on the central axle 18 and connected thereto by a helical spring 24.
  • the cable 14 is attached to the conical spool 20 at a point 14a on the widest diameter of the spool 20. In the diagram, both the cable 14 and the door 2 extend from the plane of the page.
  • the door 2 In the fully open position, the door 2 is completely wound in layers on the reel 10 while the cable 14 is completely unwound from the conical spool 20 and attached thereto only at point 14a.
  • the diameter of the spool 20 at point 14a corresponds to the diameter the outer layer of the door 2 makes on the reel 10.
  • a closing operation indicated by arrow C in Fig. 2
  • the door 2 is sequentially unwound from the reel 10, whereas the cable 14 is sequentially wound onto a spiral groove 22 on the conical spool 20.
  • the spiral groove 22 has decreasing diameter and preferably its pitch P corresponds to the depth D of the door 2.
  • the instantaneous diameter the cable 14 makes on the conical spool 20 is substantially the same as the diameter of the outer layer door 2 on the reel 10 and the pitch P of the spiral groove 22 corresponds to the depth D of the door 2, it will be readily understood that the same effect of constant tension can be achieved using differing diameters and pitches.
  • Fig. 3 shows an analysis of the tensioning forces required in the door system 1. Due to the inherent nature of the panels 4 which make up the door 2, there is a tendency for the panels 4 to tilt under the force of gravity. To counteract this tendency, the tension F t2 in the lower cable 14 is mgs/h greater than the tension F t1 in the upper cable 14; where m is the mass of the door panel 4, g is the gravitational force, s is horizontal displacement of the upper end of the panel 4 relative to the lower end of the panel 4 due to tilt and h is the height of the panel 4.
  • the tension F t in both of the cables 14 should be at least equal to the acceleration and friction forces acting on the door 2: F t ⁇ m (a + ⁇ g), where ⁇ is the coefficient of friction.
  • the invention has been described with specific reference to a door 2 comprising a plurality of vertically aligned panels 4, it will be appreciated that the invention is equally applicable for any door which is capable of being wound upon and unwound from the reel 10.
  • the door can be in the form of sheet material as disclosed in WO-A2-2005/070807 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Door Apparatuses (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
EP06121962A 2005-10-21 2006-10-09 Système de porte d'ascenseur Not-in-force EP1777191B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06121962A EP1777191B1 (fr) 2005-10-21 2006-10-09 Système de porte d'ascenseur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05109847 2005-10-21
EP06121962A EP1777191B1 (fr) 2005-10-21 2006-10-09 Système de porte d'ascenseur

Publications (2)

Publication Number Publication Date
EP1777191A1 true EP1777191A1 (fr) 2007-04-25
EP1777191B1 EP1777191B1 (fr) 2010-12-29

Family

ID=35811671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06121962A Not-in-force EP1777191B1 (fr) 2005-10-21 2006-10-09 Système de porte d'ascenseur

Country Status (9)

Country Link
US (1) US20070181269A1 (fr)
EP (1) EP1777191B1 (fr)
KR (1) KR20070043645A (fr)
CN (1) CN1966382A (fr)
AT (1) ATE493363T1 (fr)
AU (1) AU2006230734A1 (fr)
CA (1) CA2564586A1 (fr)
DE (1) DE602006019189D1 (fr)
NO (1) NO20064746L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013151555A1 (fr) * 2012-04-06 2013-10-10 Four Marshall Family Limited Partnership Système de fermeture de porte de cage d'ascenseur

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080141599A1 (en) * 2006-12-15 2008-06-19 Donovan Advanced Hurricane Protection Inc. Deployment apparatus and system for flexible protective covering
CA2948904C (fr) 2008-08-26 2019-09-10 Hunter Douglas Inc. Couverture retractable par enroulement pour ouvertures architecturales
CN102849586B (zh) * 2012-08-30 2014-04-30 徐州市工大三森科技有限公司 自动罐帘门
DE102014017406A1 (de) * 2014-11-26 2016-06-02 Thyssenkrupp Ag Fahrkorbtür
DE102016111664A1 (de) * 2016-06-24 2017-12-28 Gordon DUBAU Roll-Markise
CN110467097A (zh) * 2019-08-17 2019-11-19 成都红旗油脂有限公司 一种电梯轿厢
CN114014131B (zh) * 2021-11-03 2023-04-18 湖州锐格物流科技有限公司 一种洁净室提升机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2686372A1 (fr) * 1992-01-21 1993-07-23 Mariton Mecanisme de compensation pour stores de toiture.
GB2369146A (en) * 2000-09-23 2002-05-22 Hart Door Systems Ltd Roller door tensioning system
US20040206462A1 (en) * 2003-04-15 2004-10-21 Innovative Product Achievements, Inc. Reduced friction flexible door
WO2005070808A2 (fr) * 2004-01-21 2005-08-04 Inventio Ag Porte de cabine d'ascenseur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US262398A (en) * 1882-08-08 gxraed
US490448A (en) * 1893-01-24 Flexible door
US4494256A (en) * 1982-10-04 1985-01-22 Ibg International Motorized pool cover
US6883577B2 (en) * 2003-02-24 2005-04-26 Albany International Corp. Rollup door with rollable door leaf

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2686372A1 (fr) * 1992-01-21 1993-07-23 Mariton Mecanisme de compensation pour stores de toiture.
GB2369146A (en) * 2000-09-23 2002-05-22 Hart Door Systems Ltd Roller door tensioning system
US20040206462A1 (en) * 2003-04-15 2004-10-21 Innovative Product Achievements, Inc. Reduced friction flexible door
WO2005070808A2 (fr) * 2004-01-21 2005-08-04 Inventio Ag Porte de cabine d'ascenseur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013151555A1 (fr) * 2012-04-06 2013-10-10 Four Marshall Family Limited Partnership Système de fermeture de porte de cage d'ascenseur

Also Published As

Publication number Publication date
CA2564586A1 (fr) 2007-04-21
NO20064746L (no) 2007-04-23
KR20070043645A (ko) 2007-04-25
DE602006019189D1 (de) 2011-02-10
CN1966382A (zh) 2007-05-23
AU2006230734A1 (en) 2007-05-10
ATE493363T1 (de) 2011-01-15
EP1777191B1 (fr) 2010-12-29
US20070181269A1 (en) 2007-08-09

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