EP1329410B1 - Elevateur et dispositif correspondant de confirmation de la position d'une voiture - Google Patents

Elevateur et dispositif correspondant de confirmation de la position d'une voiture Download PDF

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Publication number
EP1329410B1
EP1329410B1 EP00964755A EP00964755A EP1329410B1 EP 1329410 B1 EP1329410 B1 EP 1329410B1 EP 00964755 A EP00964755 A EP 00964755A EP 00964755 A EP00964755 A EP 00964755A EP 1329410 B1 EP1329410 B1 EP 1329410B1
Authority
EP
European Patent Office
Prior art keywords
elevator
hoistway
wire
disposed
landing
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.)
Expired - Lifetime
Application number
EP00964755A
Other languages
German (de)
English (en)
Other versions
EP1329410A4 (fr
EP1329410A1 (fr
Inventor
Makoto Tomidokoro
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1329410A1 publication Critical patent/EP1329410A1/fr
Publication of EP1329410A4 publication Critical patent/EP1329410A4/fr
Application granted granted Critical
Publication of EP1329410B1 publication Critical patent/EP1329410B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
    • B66B3/02—Position or depth indicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
    • B66B3/02—Position or depth indicators
    • B66B3/026—Mechanical devices that can be illuminated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators

Definitions

  • the present invention relates to an elevator car position checking apparatus for checking a position of an elevator car from a landing when the elevator car is moved manually, and to an elevator making use thereof.
  • FIG. 6 is a perspective showing a conventional elevator similar to that shown in Federal Republic of Germany Utility Model Publication No. DE29615921U1 , for example.
  • a pair of car guide rails 2 and a pair of counterweight guide rails 3 are installed in a hoistway 1.
  • An elevator car 4 is raised and lowered inside the hoistway 1 along the car guide rails 2.
  • a counterweight 5 is raised and lowered inside the hoistway 1 along the counterweight guide rails 3.
  • a driving machine (a hoisting machine) 6 for raising and lowering the elevator car 4 and the counterweight 5 is installed in a pit (a bottom portion) 1a of the hoistway 1.
  • a main rope 7 is wound around a driving sheave 6a of the driving machine 6.
  • the elevator car 4 and the counterweight 5 are suspended inside the hoistway 1 by the main rope 7.
  • a pair of car suspension sheaves 8 are disposed on a lower portion of the elevator car 4.
  • a counterweight suspension sheave 9 is disposed on an upper portion of the counterweight 5.
  • Car and counterweight return pulleys 10a and 10b are disposed in an upper portion inside the hoistway 1. Both end portions of the main rope 7 are secured to an upper portion inside the hoistway 1.
  • An intermediate portion of the main rope 7 is wound in sequence around the pair of car suspension sheaves 8, the car return pulley 10a, the driving sheave 6a, the counterweight return pulley 10b, and the counterweight suspension sheave 9.
  • a control board 11 for controlling operation of the elevator; a car buffer 12 for receiving the elevator car 4 if the elevator car 4 falls; and a counterweight buffer 13 for receiving the counterweight 13 if the counterweight 13 falls.
  • Figure 7 is a plan showing part of the elevator in Figure 6 .
  • a pair of landing doors 15 are disposed on a landing 14.
  • a landing inspection panel 16 is also disposed on the landing 14.
  • FIG 8 is a front elevation showing the landing inspection panel 16 in Figure 7
  • Figure 9 is a cross section taken along line IX - IX in Figure 8
  • the landing inspection panel 16 has: a case 17 in which an inspection window 17a for viewing inside the hoistway 1 is disposed; a cover 18 for opening and closing a front surface of this case 17; a lock portion 19 disposed in this cover 18; a switch portion 20 accommodated inside the case 17; a manual operation portion 21 for moving the elevator car 4 manually disposed below this switch portion 20; and a brake release lever 22 held by the cover 18.
  • the inspection window 17a is normally closed by means of a cover 23. Disposed in the switch portion 20 are: a manual/automatic select switch for emergency operation, UP/DOWN buttons, a light switch for illuminating the inside of the hoistway 1 in front of the inspection window 17a by battery during power outages, etc.
  • a brake release plate 25 operated by means of the brake release lever 22 so as to pivot around a shaft 24 is disposed in the manual operation portion 21.
  • Brake release wires 26 are connected between the brake release plate 25 and the driving machine 6.
  • the switch portion 20 is operated to switch the operating mode to manual operation and to switch on battery-powered lighting, illuminating the main rope 7 positioned in front of the inspection window 17a.
  • the inspection window 17a is opened by removing the cover 23.
  • the operator moves the elevator car 4 while checking the markings on the main rope 7 through the inspection window 17a.
  • the elevator car 4 is moved manually until the markings reach a predetermined position, then the operator moves to the landing 14 where the elevator car 4 is positioned, manually opens the landing doors 15 on that landing 14 and elevator car doors, and rescues the passenger inside the elevator car 4.
  • Figure 10 is a plan showing a situation in which two of the elevators in Figure 7 are installed in parallel
  • Figure 11 is a front elevation showing the landing of the elevators in Figure 10 .
  • This example is a construction in which two elevator having the same layout as in Figure 7 are merely lined up. Consequently, the landing inspection panels 16 are disposed on the same side of the landing doors 15 (on the left in the diagram).
  • a hall button 27 is disposed between the two sets of landing doors 15.
  • Figure 12 is a plan showing part of conventional elevators in which two landing inspection panels are disposed outside two sets of landing doors
  • Figure 13 is a front elevation showing the landing of the elevators in Figure 12 .
  • the elevator on the left in the figure has the same layout as Figure 7 and the elevator on the right has a symmetrical layout to the one on the left.
  • the two landing inspection panels 16 are disposed outside the two sets of landing doors 15, improving the design.
  • the degree of freedom in the positioning of the landing inspection panels 16 increases, but it is necessary to use an emergency electric power source and to monitor the velocity of the elevator car for safety, etc, requiring countermeasures against failure of those mechanisms, thereby increasing costs.
  • Figure 14 is a plan showing part of an example of conventional observation elevators
  • Figure 15 is a front elevation showing the landing of the elevators in Figure 14 .
  • the hoistway walls 1b behind the elevator cars 4 are each composed of transparent glass.
  • Rear portions of the elevator cars 4 are also composed of transparent glass for observation.
  • the two counterweights 5 are disposed between the two elevator cars 4 such that passengers inside the elevator cars 4 can easily see outside.
  • the two landing inspection panels 16 must be disposed between the two sets of landing doors 15, reducing the degree of freedom in the installation positions of the landing inspection panels 16.
  • US 5,971,109 discloses an arrangement for releasing the brake of an elevator machinery, wherein an arrival of the elevator car at one of the landing zones is indicated in a manner allowing it to be perceived from a position near the actuator.
  • the elevator may comprise a signal device, or the position of the elevator car can be indicated by painted markings made on the hoisting ropes or the overspeed governor rope, which markings a person can watch through a window while observing the movement of the elevator.
  • JP 07 330 235 A discloses an elevator having an elevator car position recognition device, wherein a mark is provided on a governor rope so that a worker in a machine room can visually recognize that a top surface of the car nearly coincides with a floor surface of a story.
  • the present invention aims to solve the above problems and an object of the present invention is to provide an elevator having an elevator car position confirming apparatus enabling a degree of freedom in an installation position of an inspection window to be increased while suppressing increases in cost.
  • an elevator according to claim 1 there is provided an elevator according to claim 1.
  • an elevator including: two hoistways disposed adjacently; two elevator cars raised and lowered inside the hoistways; and an elevator car position checking apparatus as described above.
  • Figure 1 is a perspective showing an elevator according to Embodiment 1 of the present invention
  • Figure 2 is a plan showing part of the elevator in Figure 1
  • Figure 3 is a side elevation showing part of the elevator in Figure 1 .
  • a pair of car guide rails 2 and a pair of counterweight guide rails 3 are installed in a hoistway 1.
  • a elevator car 4 is raised and lowered inside the hoistway 1 along the car guide rails 2.
  • a counterweight 5 is raised and lowered inside the hoistway 1 along the counterweight guide rails 3.
  • a driving machine (a hoisting machine) 6 for raising and lowering the elevator car 4 and the counterweight 5 is installed in a pit (a bottom portion) 1a of the hoistway 1.
  • a main rope 7 is wound around a driving sheave 6a of the driving machine 6.
  • the elevator car 4 and the counterweight 5 are suspended inside the hoistway 1 by the main rope 7.
  • a pair of car suspension sheaves 8 are disposed on a lower portion of the elevator car 4.
  • a counterweight suspension sheave 9 is disposed on an upper portion of the counterweight 5.
  • Car and counterweight return pulleys 10a and 10b are disposed in an upper portion inside the hoistway 1. Both end portions of the main rope 7 are secured to an upper portion inside the hoistway 1.
  • An intermediate portion of the main rope 7 is wound in sequence around the pair of car suspension sheaves 8, the car return pulley 10a, the driving sheave 6a, the counterweight return pulley 10b, and the counterweight suspension sheave 9.
  • a control board 11 for controlling operation of the elevator; a car buffer 12 for receiving the elevator car 4 if the elevator car 4 falls; and a counterweight buffer 13 for receiving the counterweight 13 if the counterweight 13 falls.
  • a pair of landing doors 15 are disposed on a landing 14.
  • a landing inspection panel 16 is also disposed on the landing 14. The construction of the landing inspection panel 16 is similar to that in Figures 8 and 9 .
  • a rotatable upper portion pulley 31 is disposed in an upper portion inside the hoistway 1.
  • the upper portion pulley 31 is supported in one of the car guide rails 2 by means of an upper portion arm 32.
  • a rotatable lower portion pulley 33 is disposed in a lower portion inside the hoistway 1.
  • the lower portion pulley 33 is supported in one of the car guide rails 2 by means of a lower portion arm 34.
  • the lower portion arm 34 is pivotable around a pin 35.
  • An upper end portion of a loop-shaped wire 36 is wound around the upper portion pulley 31, and a lower end portion of the wire 36 is wound around the lower portion pulley 33.
  • a portion of the wire 36 is connected to the elevator car 4 by means of a connecting arm 37.
  • Tension is applied to the wire 36 by means of deadweight from the pivotable lower portion arm 34 and the lower portion pulley 33. Consequently, the wire 36 is cycled together with the raising and lowering of the elevator car 4.
  • markings are applied to the wire 36 using paint, etc., to indicate when the elevator car 4 has moved to a position close to a landing 14.
  • the wire 36 is disposed in a position which is visible through the inspection window 17a of the landing inspection panel 16 ( Figures 8 and 9 ) from the landing 14.
  • a wire apparatus 38 according to Embodiment 1 includes the upper portion pulley 31, the upper portion arm 32, the lower portion pulley 33, the lower portion arm 34, the pin 35, the wire 36, and the connecting arm 37.
  • An elevator car position checking apparatus according to Embodiment 1 includes the inspection window 17a and the wire apparatus 38.
  • an elevator car position checking apparatus of this kind because a wire 36 specifically for checking elevator car position is disposed separately from the main rope 7 inside the hoistway 1 along the raising and lowering direction of the elevator car 4, the position of the inspection window 17a can be set independently from the layout of the counterweight 5 and the driving machine 6, enabling the degree of freedom in the installation position of the inspection window 17a to be increased. Furthermore, since it is sufficient that a wire apparatus 38 having a simple construction be disposed, increases in cost can also be suppressed.
  • the inspection window 17a is disposed inside the landing inspection panel 16, the degree of freedom in the installation position of the landing inspection panel 16 can also be increased, enabling the design of the landing 14 to be improved. Furthermore, since the lower portion arm 34 supporting the lower portion pulley 33 is pivotable around the pin 35, tension can be applied to the wire 36 by a simple construction.
  • Figure 4 is a plan showing part of elevators according to Embodiment 2 of the present invention.
  • two elevators are installed in parallel.
  • the layout of major equipment such as the elevator car 4, the counterweight 5, the driving machine 6, the control board 11, etc., is the same in both the left and right elevators.
  • the landing inspection panels 16 are disposed outside the two sets of landing doors 15.
  • Embodiment 2 by using a wire apparatus 38 similar to that of Embodiment 1 in the elevator on the right in the figure, it is possible to simply make the arrangement of the landing inspection panels 16 symmetrical while keeping the layout of major equipment the same on the left and right. Consequently, the degree of freedom in the installation positions of the inspection windows 17a and the landing inspection panels 16 can be increased while suppressing increases in cost.
  • FIG. 5 is a plan showing observation elevators according to Embodiment 3 of the present invention.
  • the hoistway walls 1b behind the elevator cars 4 are each composed of transparent glass.
  • Rear portions of the elevator cars 4 (portions facing the hoistway walls 1b) are also composed of transparent glass for observation.
  • the two counterweights 5 are disposed between the two elevator cars 4 such that passengers inside the elevator cars 4 can easily see outside.
  • the landing inspection panels 16 are disposed outside the two sets of landing doors 15.
  • the two landing inspection panels 16 were disposed between the two sets of landing doors 15, as shown in Figure 14 .
  • the wire apparatus 38 by disposing the wire apparatus 38 on an opposite side of the elevator car 4 from the counterweight 5 in both the left and right elevators, it is possible to position the inspection windows 17a outside the two sets of landing doors 15. Consequently, the degree of freedom in the installation positions of the inspection windows 17a and the landing inspection panels 16 can be increased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Claims (6)

  1. Ascenseur comprenant :
    une cage d'ascenseur (1),
    un couple de rails de guidage de cabine (2),
    une cabine d'ascenseur (4) qui monte et qui descend à l'intérieur de ladite cage d'ascenseur (1) et suspendue à l'intérieur de la cage d'ascenseur (1) par un câble principal (7), caractérisé en ce qu'il comprend
    un appareil de vérification de position de cabine d'ascenseur comprenant :
    un appareil à fil (38) disposé à l'intérieur d'une cage d'ascenseur (1) le long d'une direction de montée et de descente d'une cabine d'ascenseur (4), ledit appareil à fil (38) ayant un fil en forme de boucle (36) disposé séparément d'un câble principal (7) à l'intérieur la cage d'ascenseur (1), lequel fil en forme de boucle (36) subit un cycle en même temps que la montée et la descente de ladite cabine d'ascenseur (4), dans lequel ledit appareil à fil (38) comprend en outre une poulie de partie supérieure (31) autour de laquelle une partie d'extrémité supérieure dudit fil (36) est enroulée ; et
    une poulie de partie inférieure (33) autour de laquelle une partie d'extrémité inférieure dudit fil (36) est enroulée et des repères étant appliqués audit fil (36) pour indiquer lorsque ladite cabine d'ascenseur (4) s'est déplacée jusqu'à une position proche d'un palier (14), caractérisé en ce qu'une fenêtre d'inspection (17a) pour voir ledit fil (36) est prévue, ladite fenêtre d'inspection (17a) étant disposée sur un palier de façon à faire face audit fil (36), et en ce que la poulie de partie supérieure (31) est supportée sur un des rails de guidage de cabine (2) au moyen d'un bras de partie supérieure (32), et la poulie de partie inférieure (33) est supportée sur le même rail de guidage de cabine (2) au moyen d'un bras de partie inférieure (34).
  2. Ascenseur selon la revendication 1, dans lequel ladite poulie de partie inférieure (33) est supportée au moyen d'un bras de partie inférieure (34) monté de manière pivotante à l'intérieur de ladite cage d'ascenseur (1), une tension étant appliquée audit fil (36) au moyen d'un poids mort à partir dudit bras de partie inférieure (34) et de ladite poulie de partie inférieure (33).
  3. Ascenseur selon la revendication 1, dans lequel ladite fenêtre d'inspection (17a) est disposée à l'intérieur d'un panneau d'inspection de palier (16), une partie de mise en oeuvre manuelle (21) pour déplacer ladite cabine d'ascenseur (4) manuellement étant disposée dans ledit panneau d'inspection de palier (16).
  4. Ascenseur selon l'une quelconque des revendications précédentes, comprenant :
    deux cages d'ascenseur (1) disposées de manière adjacente ;
    deux cabines d'ascenseur (4) qui montent et qui descendent à l'intérieur desdites cages d'ascenseur (1) ; et
    un appareil de vérification de position de cabine d'ascenseur disposé à l'intérieur d'au moins une cage d'ascenseur (1).
  5. Ascenseur selon la revendication 4, dans lequel un contrepoids (5) est disposé sur un côté similaire de chacune desdites cabines d'ascenseur (4) respectivement à l'intérieur de chacune desdites cages d'ascenseur (1), une machine d'entraînement (6) pour monter et descendre chacune desdites cabines d'ascenseur (4) étant disposée à l'intérieur de chacune desdites cages d'ascenseur (1) de sorte que lesdites machines d'entraînement (6) se font face dans une direction similaire.
  6. Ascenseur selon la revendication 4, dans lequel une paroi de cage d'ascenseur derrière lesdites cabines d'ascenseur (4) et une partie arrière desdites cabines d'ascenseur (4) sont chacune construites de façon à être transparentes, un contrepoids (5) étant disposé à l'intérieur de chacune desdites cages d'ascenseur (1) respectivement entre une cage d'ascenseur adjacente (1) et lesdites cabines d'ascenseur (4), lesdits appareils (38) à fil (36) étant respectivement disposés à l'intérieur de chacune desdites cages d'ascenseur (1) sur un côté opposé de chacune desdites cabines d'ascenseur (4) par rapport à une cage d'ascenseur adjacente (1).
EP00964755A 2000-10-10 2000-10-10 Elevateur et dispositif correspondant de confirmation de la position d'une voiture Expired - Lifetime EP1329410B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/007028 WO2002030800A1 (fr) 2000-10-10 2000-10-10 Elevateur et dispositif correspondant de confirmation de la position d'une voiture

Publications (3)

Publication Number Publication Date
EP1329410A1 EP1329410A1 (fr) 2003-07-23
EP1329410A4 EP1329410A4 (fr) 2006-06-07
EP1329410B1 true EP1329410B1 (fr) 2013-03-13

Family

ID=11736577

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00964755A Expired - Lifetime EP1329410B1 (fr) 2000-10-10 2000-10-10 Elevateur et dispositif correspondant de confirmation de la position d'une voiture

Country Status (3)

Country Link
EP (1) EP1329410B1 (fr)
JP (1) JPWO2002030800A1 (fr)
WO (1) WO2002030800A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4299043B2 (ja) * 2003-04-09 2009-07-22 東芝エレベータ株式会社 エレベータ巻上機のブレーキ開放装置およびその操作方法
WO2012073065A1 (fr) * 2010-12-02 2012-06-07 Otis Elevator Company Système d'ascenseur à actionnement d'urgence et alimentation de secours au même emplacement que l'entraînement de l'ascenseur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0597338A (ja) * 1991-10-08 1993-04-20 Toshiba Corp エレベータの脱出装置
JPH07330235A (ja) * 1994-06-10 1995-12-19 Hitachi Building Syst Eng & Service Co Ltd エレベータのかご位置視認装置
JP3626787B2 (ja) * 1995-04-20 2005-03-09 三菱電機ビルテクノサービス株式会社 エレベーターの非常運転装置
FI103498B (fi) 1996-09-05 1999-07-15 Kone Corp Järjestely hissikoneiston jarrun avaamiseen
JPH1095580A (ja) * 1996-09-24 1998-04-14 Hitachi Ltd エレベータの非常運転装置

Also Published As

Publication number Publication date
JPWO2002030800A1 (ja) 2004-02-19
WO2002030800A1 (fr) 2002-04-18
EP1329410A4 (fr) 2006-06-07
EP1329410A1 (fr) 2003-07-23

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