EP1314680B1 - Dispositif d'ascenseur - Google Patents

Dispositif d'ascenseur Download PDF

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Publication number
EP1314680B1
EP1314680B1 EP00955089A EP00955089A EP1314680B1 EP 1314680 B1 EP1314680 B1 EP 1314680B1 EP 00955089 A EP00955089 A EP 00955089A EP 00955089 A EP00955089 A EP 00955089A EP 1314680 B1 EP1314680 B1 EP 1314680B1
Authority
EP
European Patent Office
Prior art keywords
car
sheave
disposed
counterweight
drive sheave
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
EP00955089A
Other languages
German (de)
English (en)
Other versions
EP1314680A1 (fr
EP1314680A4 (fr
Inventor
Akihiro Mitsubishi Denki Kabushiki Kaisha KADOI
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
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1314680A1 publication Critical patent/EP1314680A1/fr
Publication of EP1314680A4 publication Critical patent/EP1314680A4/fr
Application granted granted Critical
Publication of EP1314680B1 publication Critical patent/EP1314680B1/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
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave

Definitions

  • the present invention relates to an elevator apparatus in which a driving machine is disposed in an upper portion inside a hoistway.
  • a conventional elevator apparatus in which a driving machine is disposed in an upper portion inside a hoistway without disposing a machine room above the hoistway also known as a "machine-roomless" elevator, is shown in Japanese Patent Laid-Open No. HEI 10-139321 , for example.
  • HEI 10-139321 Japanese Patent Laid-Open No. HEI 10-139321
  • the height of a building can be made lower using an elevator apparatus of this kind than in cases where the machine room is disposed above the hoistway separately, with the conventional construction, it is necessary to adjust the positions of return sheaves and a driving sheave on the driving machine in response to changes in elevator car dimensions at the design stage, and installation work has also not been easy.
  • EP 1 018 480 A2 discloses an elevator system having a deflector wheel, that pulls the main cable, which deflector wheel extends within the drive sheave and the car side turning pulley in the horizontal direction toward the interior surface of the shaft. According to such an arrangement, the side surface of the car-side turning pulley can be provided in parallel with the interior surface of the shaft.
  • the present invention aims to solve the above problems and an object of the present invention is to provide an elevator apparatus for which installation work is easy, capable of being easily adapted to changes in a frontage dimension of a car while utilizing space inside a hoistway efficiently.
  • an elevator apparatus according to claim 1.
  • Figure 1 is a general plan showing an elevator apparatus according to Embodiment 1 of the present invention
  • Figure 2 is a partial cross section taken along line II - II in Figure 1
  • Figure 3 is a partial cross section taken along line III - III in Figure 1 .
  • a pair of car guide rails 2 and a pair of counterweight guide rails 3 are installed inside a hoistway 1.
  • a car 4 is guided by the car guide rails 2 so as to be raised and lowered inside the hoistway 1.
  • a counterweight 5 is disposed behind the car 4 and is guided by the counterweight guide rails 3 so as to be raised and lowered inside the hoistway 1.
  • a mounting frame 6 is secured in a vicinity of upper end portions of the car guide rails 2 and the counterweight guide rails 3.
  • the mounting frame 6 has a plurality of beams 7 and a plurality of rubber vibration isolators 8.
  • a driving machine 9 for raising and lowering the car 4 and the counterweight 5 is mounted on the mounting frame 6.
  • the driving machine 9 has: a driving machine body 10 including a motor and a brake; and a drive sheave 11 turned by the driving machine body 10.
  • the driving machine 9 is disposed horizontally such that an axis of the drive sheave 11 extends in a vertical direction.
  • a plurality of main ropes 12 (only one is shown in the figures) for suspending the car 4 and the counterweight 5 inside the hoistway 1 are wound around the drive sheave 11.
  • First end portions of the main ropes 12 are connected to the mounting frame 6 by means of counterweight rope fasteners 13.
  • Second end portions of the main ropes 12 are connected to the mounting frame 6 by means of car rope fasteners 14.
  • a pair of car suspension sheaves 15 around which the main ropes 12 are wound are disposed on a lower portion of the car 4.
  • a counterweight suspension sheave 16 around which the main ropes 12 are wound is disposed on an upper portion of the counterweight 5.
  • a rotatable car return sheave 17 for guiding the main ropes 12 from the drive sheave 11 to the car 4 and a rotatable counterweight return sheave 18 for guiding the main ropes 12 from the drive sheave 11 to the counterweight 5 are mounted to the mounting frame 6. These return sheaves 17 and 18 are disposed such that axes thereof extend in a horizontal direction. Furthermore, the car return sheave 17 is disposed so as to overlap with the car 4 within a vertical plane of projection.
  • the first end portions of the main ropes 12 are connected to the counterweight rope fasteners 13, the main ropes 12 are wound in sequence around the counterweight suspension sheave 16, the counterweight return sheave 18, the drive sheave 11, the car return sheave 17, and the suspension sheaves 15, and the second end portions of the main ropes 12 are connected to the car rope fasteners 14.
  • the car return sheave 17 is disposed such that the main ropes 12 extend parallel to a frontage direction of the car 4 (to the left and right in Figure 1 ) between the car return sheave 17 and the drive sheave 11.
  • the main ropes 12 are disposed such that portions extending from the drive sheave 11 to the counterweight return sheave 18 are inclined relative to portions extending from the drive sheave 11 to the car return sheave 17.
  • 130 degrees to 180 degrees is a suitable contact angle of the main ropes 12 onto the drive sheave 11.
  • the main ropes 12 are disposed at a distance from and parallel to a center line C joining an interval between the car guide rails 2. 300mm or less is suitable for this distance.
  • FIG 4 is a perspective showing a construction of a main rope 12 from Figure 1 .
  • an inner strand layer 24 having a plurality of inner strands 22 and filler strands 23 disposed in gaps between these inner strands 22 is disposed around a core wire 21.
  • Each of the inner strands 22 is composed of a plurality of aramid fibers and an impregnating material such as a polyurethane or the like.
  • the filler strands 23 are composed of a polyamide, for example.
  • An outer strand layer 26 having a plurality of outer strands 25 is disposed around an outer circumference of the inner strand layer 24.
  • Each of the outer strands 25 is composed of a plurality of aramid fibers and an impregnating material such as a polyurethane or the like in a similar manner to the inner strands 22.
  • a protective coating layer 28 is also disposed on an outer circumferential portion of the outer strand layer 26.
  • a synthetic fiber rope of this kind has a high coefficient of friction compared to a steel rope and is superior in flexibility.
  • the driving machine 9 is disposed horizontally such that the axis of the drive sheave 11 extends in a vertical direction, and the car return sheave 17 for guiding the main ropes 12 from the drive sheave 11 to the car 4 and the counterweight return sheave 18 for guiding the main ropes 12 from the drive sheave 11 to the counterweight 5 are disposed in the upper portion inside the hoistway, space inside the hoistway 1 is utilized efficiently, enabling height dimensions of the hoistway 1 to be kept small.
  • the car return sheave 17 is disposed such that the main ropes 12 extend parallel to the frontage direction of the car 4 (to the left and right in Figure 1 ) between the car return sheave 17 and the drive sheave 11, changes in frontage dimensions of the car 4 can be adapted to easily.
  • changes in depth dimensions of the car 4 can also be adapted to easily, simply by adjusting the angle of the counterweight return sheave 18. Consequently, installation work is facilitated, and standardization of equipment is enabled.
  • main ropes 12 are composed of a synthetic fiber rope having a high coefficient of friction and superior flexibility, diameters of the drive sheave 11 and the return sheaves 17 and 18 can be reduced, enabling installation space for these to be reduced. Consequently, space inside the hoistway 1 is utilized even more efficiently, enabling height dimensions of the hoistway 1 to be kept small.
  • the driving machine 9 is disposed horizontally such that that the drive sheave 11 is on top, maintenance work on the driving machine body 10 such as on the brake, etc., can be performed easily from on top of the car 4, enabling workability to be improved. Height dimensions required for installing the driving machine 9 and the return sheaves 17 and 18 can also be reduced.
  • FIG 5 is a general plan showing an elevator apparatus according to Embodiment 2 of the present invention
  • Figure 6 is a partial cross section taken along line VI - VI in Figure 5 .
  • the counterweight 5 is disposed beside the car 4.
  • the counterweight return sheave 18 is disposed above a side portion of the car 4.
  • the counterweight return sheave 18 is disposed such that an axis thereof extends parallel to an axis of the car return sheave 17.
  • the main ropes 12 are disposed such that portions extending from the drive sheave 11 to the counterweight return sheave 18 are parallel to portions extending from the drive sheave 11 to the car return sheave 17.
  • the rest of the construction is similar to that of Embodiment 1.
  • Figure 7 is a general plan showing an elevator apparatus according to Embodiment 3 of the present invention
  • Figure 8 is a partial cross section taken along line VIII - VIII in Figure 7
  • Figure 9 is a partial cross section taken along line IX - IX in Figure 7 .
  • the counterweight 5 is disposed behind the car 4.
  • a rotatable deflection sheave 31 is disposed in an upper portion inside the hoistway 1.
  • the main ropes 12 are wound around the deflection sheave 31 between the drive sheave 11 and the counterweight return sheave 18.
  • the deflection sheave 31 is disposed such that an axis thereof extends in a vertical direction.
  • the main ropes 12 are disposed such that portions extending from the drive sheave 11 to the deflection sheave 31 are parallel to portions extending from the drive sheave 11 to the car return sheave 17.
  • the rest of the construction is similar to that of Embodiment 1.
  • the contact angle of the main ropes 12 onto the drive sheave 11 can be kept uniform irrespective of the dimensions of the car 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

L'invention concerne un dispositif d'ascenseur dans lequel un dispositif d'entraînement (9) est disposé horizontalement au niveau de la partie intérieure supérieure d'un puits (1) de telle manière que l'axe de la poulie d'entraînement (11) s'étende le long d'un sens vertical, une roue d'inversion (17) de sens côté cabine conduisant un câble principal (12) de la poulie d'entraînement (11) à une cabine (4) ainsi qu'une roue d'inversion (18) de sens côté contrepoids conduisant le câble principal (12) de la poulie d'entraînement (11) vers le contrepoids (5) sont disposées au niveau de la partie intérieure supérieure du puits (1), et la roue d'inversion (17) de sens côté cabine est disposée de manière que le câble principal (12) s'étende parallèlement au sens de façade de la cabine entre la roue d'inversion (17) de sens côté cabine et la poulie d'entraînement (11).

Claims (10)

  1. Dispositif d'ascenseur comprenant :
    une cage (1) ;
    une paire de rails (2) de guidage d'une cabine et une paire de rails (3) de guidage d'un contrepoids, logés à l'intérieur de ladite cage (1) ;
    une cabine (4) guidée par lesdits rails de guidage (2), afin d'être soulevée et abaissée à l'intérieur de ladite cage (1) ;
    un contrepoids (5) guidé par lesdits rails de guidage (3), afin d'être soulevé et abaissé à l'intérieur de ladite cage (1) ;
    une machine d'entraînement (9) conçue pour soulever et abaisser ladite cabine (4) et ledit contrepoids (5), ladite machine d'entraînement (9) comportant un corps de machine d'entraînement (10) situé en partie haute, à l'intérieur de ladite cage (1), et une poulie d'entraînement (11) à laquelle ledit corps (10) de la machine d'entraînement imprime des rotations ; et
    un câble principal (12) enroulé sur ladite poulie d'entraînement (11), afin de suspendre ladite cabine (4) et ledit contrepoids (5) à l'intérieur de ladite cage (1), dans lequel
    ladite machine d'entraînement (9) est disposée de telle sorte qu'un axe de ladite poulie d'entraînement (11) s'étende dans une direction verticale,
    une poulie (17) de retour de cabine, dévolue au guidage dudit câble principal (12) depuis ladite poulie d'entraînement (11) jusqu'à ladite cabine (4), et une poulie (18) de retour de contrepoids, affectée au guidage dudit câble principal (12) depuis ladite poulie d'entraînement (11) jusqu'audit contrepoids (5), sont placées en partie haute à l'intérieur de ladite cage (1), et
    ladite poulie (17) de retour de la cabine est disposée de façon telle que ledit câble principal (12) s'étende parallèlement à la direction d'un fronton de ladite cabine (4), entre ladite poulie (17) de retour de la cabine et ladite poulie d'entraînement (11),
    caractérisé par le fait qu'un angle de contact dudit câble principal (12), sur ladite poulie d'entraînement (11), mesure de 130 degrés à 180 degrés.
  2. Dispositif d'ascenseur selon la revendication 1, dans lequel ladite poulie (17) de retour de la cabine est disposée de manière à chevaucher ladite cabine (4) à l'intérieur d'un plan vertical de projection.
  3. Dispositif d'ascenseur selon la revendication 1, dans lequel ladite machine d'entraînement (9) est placée horizontalement, de façon telle que ladite poulie d'entraînement (11) se trouve au sommet.
  4. Dispositif d'ascenseur selon la revendication 1, dans lequel ledit câble principal (12) est placé, entre ladite poulie (17) de retour de la cabine et ladite poulie d'entraînement (11), à distance de, et parallèlement à une ligne passant par le centre d'un intervalle reliant lesdits rails (2) de guidage de la cabine.
  5. Dispositif d'ascenseur selon la revendication 1, dans lequel ledit câble principal (12) est placé, entre ladite poulie (17) de retour de la cabine et ladite poulie d'entraînement (11) et à une distance de 300 mm ou moins parallèlement à une ligne passant par le centre d'un intervalle reliant lesdits rails (2) de guidage de la cabine.
  6. Dispositif d'ascenseur selon la revendication 1, dans lequel ledit contrepoids (5) est placé derrière ladite cabine (4), ledit câble principal (12) étant agencé de telle sorte qu'un tronçon, s'étendant depuis ladite poulie d'entraînement (11) jusqu'à ladite poulie (18) de retour du contrepoids, soit incliné par rapport à un tronçon s'étendant depuis ladite poulie d'entraînement (11) jusqu'à ladite poulie (17) de retour de la cabine.
  7. Dispositif d'ascenseur selon la revendication 1, dans lequel ledit contrepoids (5) est placé à côté de ladite cabine (4), ledit câble principal (12) étant agencé de telle sorte qu'un tronçon, s'étendant depuis ladite poulie d'entraînement (11) jusqu'à ladite poulie (18) de retour du contrepoids, soit parallèle à un tronçon s'étendant depuis ladite poulie d'entraînement (11) jusqu'à ladite poulie (17) de retour de la cabine.
  8. Dispositif d'ascenseur selon la revendication 1, comprenant en outre une poulie de renvoi (31) autour de laquelle ledit câble principal (12) est enroulé entre ladite poulie d'entraînement (11) et ladite poulie (18) de retour du contrepoids, et qui est située en partie haute, à l'intérieur de ladite cage (1), de telle sorte qu'un axe s'étende dans une direction verticale.
  9. Dispositif d'ascenseur selon la revendication 8, dans lequel ledit contrepoids (5) est placé derrière ladite cabine (4), ledit câble principal (12) étant agencé de telle sorte qu'un tronçon, s'étendant depuis ladite poulie d'entraînement (11) jusqu'à ladite poulie de renvoi (31), soit parallèle à un tronçon s'étendant depuis ladite poulie d'entraînement (11) jusqu'à ladite poulie (17) de retour de la cabine.
  10. Dispositif d'ascenseur selon la revendication 1, dans lequel ledit câble principal (12) est constitué d'un câble en fibres synthétiques.
EP00955089A 2000-08-29 2000-08-29 Dispositif d'ascenseur Expired - Lifetime EP1314680B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/005822 WO2002018257A1 (fr) 2000-08-29 2000-08-29 Dispositif d'ascenseur

Publications (3)

Publication Number Publication Date
EP1314680A1 EP1314680A1 (fr) 2003-05-28
EP1314680A4 EP1314680A4 (fr) 2008-09-03
EP1314680B1 true EP1314680B1 (fr) 2011-06-15

Family

ID=11736403

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00955089A Expired - Lifetime EP1314680B1 (fr) 2000-08-29 2000-08-29 Dispositif d'ascenseur

Country Status (3)

Country Link
EP (1) EP1314680B1 (fr)
CN (1) CN1184131C (fr)
WO (1) WO2002018257A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1972592B1 (fr) 2000-09-20 2010-04-07 Mitsubishi Denki Kabushiki Kaisha Ascenseur
US8302740B2 (en) 2003-01-31 2012-11-06 Otis Elevator Company Integrated support for elevator machine, sheaves and terminations
JP5078998B2 (ja) * 2007-06-01 2012-11-21 三菱電機株式会社 エレベータ装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI96198C (fi) * 1994-11-03 1996-05-27 Kone Oy Vetopyörähissi
CA2169431C (fr) * 1995-03-06 2005-07-12 Claudio De Angelis Materiel servant a indiquer quand des cables a fibres synthetiques doivent etre mis au rebut
DE59711862D1 (de) 1996-11-11 2004-09-23 Inventio Ag Aufzugsanlage mit im Aufzugsschacht angeordneter Antriebseinheit
JP4191331B2 (ja) * 1999-01-08 2008-12-03 三菱電機株式会社 エレベーター装置
JP2000211851A (ja) * 1999-01-22 2000-08-02 Hitachi Building Systems Co Ltd エレベ―タ

Also Published As

Publication number Publication date
CN1184131C (zh) 2005-01-12
EP1314680A1 (fr) 2003-05-28
WO2002018257A1 (fr) 2002-03-07
EP1314680A4 (fr) 2008-09-03
CN1382099A (zh) 2002-11-27

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