EP1319627B1 - Dispositif d'ascenseur - Google Patents

Dispositif d'ascenseur Download PDF

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Publication number
EP1319627B1
EP1319627B1 EP00957123A EP00957123A EP1319627B1 EP 1319627 B1 EP1319627 B1 EP 1319627B1 EP 00957123 A EP00957123 A EP 00957123A EP 00957123 A EP00957123 A EP 00957123A EP 1319627 B1 EP1319627 B1 EP 1319627B1
Authority
EP
European Patent Office
Prior art keywords
car
hoistway
counterweight
disposed
main rope
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
EP00957123A
Other languages
German (de)
English (en)
Other versions
EP1319627A1 (fr
EP1319627A4 (fr
Inventor
Atsushi Mitsubishi Denki Kabushiki Kaisha MITSUI
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
Priority to EP09150612A priority Critical patent/EP2042462B1/fr
Publication of EP1319627A1 publication Critical patent/EP1319627A1/fr
Publication of EP1319627A4 publication Critical patent/EP1319627A4/fr
Application granted granted Critical
Publication of EP1319627B1 publication Critical patent/EP1319627B1/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.
  • EP 0 953 538 A2 refers to an elevator apparatus with an elevator path having a restricted height. Under a roping ratio of 1:1, a thin driving unit having a traction sheave and a driving mechanism is disposed between an inner wall of the elevator path and a space occupied by an elevator car rising and falling in the elevator path. On the lower side of the car pitch parts for connection with the suspension rope may be arranged. Further, car return sheaves may be attached on the side walls defining the elevator part so as not to interfere with the occupied space based by the car process of moving upward and downward.
  • EP 1 018 480 A2 refers to an elevator system wherein a drive sheave is provided on the hoisting machine in a rotatable manner such that the rotor axis on the drive sheave is oriented vertically.
  • the present invention aims to solve the above problems and an object of the present invention is to provide an elevator apparatus enabling increases in height dimensions of a hoistway to be suppressed while disposing a driving machine in an upper portion inside the hoistway.
  • an elevator apparatus including: a hoistway having a hoistway wall; a driving machine disposed in an upper portion inside the hoistway, having: a driving machine body; and a drive sheave rotated by the driving machine body around a rotating shaft extending in a vertical direction; a main rope group wound around the drive sheave; and a car and a counterweight suspended inside the hoistway by the main rope group so as to be raised and lowered inside the hoistway by the driving machine, wherein first and second main rope connection portions are disposed on the car so as to be positioned on opposite sides of the car in a vertical plane of projection, first and second car return sheaves are disposed above the first and second main rope connection portions in an upper portion inside the hoistway, a counterweight return sheave is disposed above the counterweight in an upper portion inside the hoistway, and the main rope group has a first main rope, a first end portion of which passes through the first car return sheave and is connected to the first
  • an elevator apparatus including: a hoistway having a hoistway wall; a driving machine disposed in an upper portion inside the hoistway, having: a driving machine body; and a drive sheave rotated by the driving machine body around a rotating shaft extending in a vertical direction; a main rope having a car end portion and a counterweight end portion secured to an upper portion inside the hoistway, an intermediate portion being wound around the drive sheave; a car having mutually opposite first and second side surfaces, being suspended inside the hoistway by the main rope between the drive sheave and the car end portion so as to be raised and lowered inside the hoistway by the driving machine; a counterweight disposed between the first side surface and the hoistway wall, being suspended inside the hoistway by the main rope between the drive sheave and the counterweight end portion so as to be raised and lowered inside the hoistway by the driving machine; a car return sheave disposed in an upper portion inside the hoistway and around which the
  • Figure 1 is a general plan showing an elevator apparatus according to Embodiment 1 of the present invention
  • Figure 2 is a side elevation showing the elevator apparatus in Figure 1 .
  • a hoistway 1 has hoistway walls 1a to 1c.
  • a pair of car guide rails 2 and a pair of counterweight guide rails 3 are installed inside the 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 guided by the counterweight guide rails 3 so as to be raised and lowered inside the hoistway 1.
  • the counterweight 5 is disposed behind the car 4.
  • a driving machine (a hoisting machine) 6 for raising and lowering the car 4 and the counterweight 5 is disposed horizontally in an upper portion inside the hoistway 1.
  • the driving machine 6 is disposed above a first corner portion of a rear portion of the car 4.
  • the driving machine 6 also has a driving machine body 7 and a drive sheave 8.
  • the drive sheave 8 is rotated by the driving machine body 7 around a rotating shaft extending in a vertical direction.
  • First and second main rope connection portions 9 and 10 are disposed on both sides of a lower portion of the car 4.
  • the first and second main rope connection portions 9 and 10 are disposed symmetrically about the position of the center of gravity of the car 4 so as to be positioned on opposite sides of the car 4 in a vertical plane of projection.
  • First and second car return sheaves 11 and 12 are disposed in an upper portion inside the hoistway 1 above the first and second main rope connection portions 9 and 10.
  • a counterweight return sheave 13 is disposed in an upper portion inside the hoistway 1 above the counterweight 5. These return sheaves 11 to 13 are each rotatable around a rotating shaft extending in a horizontal direction.
  • the first and second car return sheaves 11 and 12 are disposed between the hoistway walls 1a and 1b and a region projected vertically from the car 4, and the first and second car return sheaves 11 and 12 are parallel to each of the hoistway walls 1a and 1b.
  • a direction-changing pulley 14 rotatable around a rotating shaft extending in a vertical direction is disposed above a second corner portion of the rear portion of the car 4.
  • a main rope group 15 for suspending the car 4 and the counterweight 5 inside the hoistway 1 is wound around the drive sheave 8.
  • the main rope group 15 has a plurality of first main ropes 16 and a plurality of second main ropes 17. These main ropes 16 and 17 are each composed of a synthetic fiber rope.
  • First end portions of the first main ropes 16 pass through the first car return sheave 11 and are connected to the first main rope connection portion 9, and second end portions pass through the counterweight return sheave 13 and are connected to an upper portion of the counterweight 5.
  • First end portions of the second main ropes 17 pass through the direction-changing pulley 14 and the second car return sheave 12 and are connected to the second main rope connection portion 10, and second end portions pass through the counterweight return sheave 13 and are connected to an upper portion of the counterweight 5.
  • first main ropes 16 and the second main ropes 17 connected to the counterweight 5 are branched off in two directions at the drive sheave 8 and connected to the car 4.
  • FIG 3 is a perspective showing a construction of the first and second main ropes 16 and 17 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 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 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.
  • the car 4 and the counterweight 5 are suspended inside the hoistway 1 by a plurality of main ropes 12 having the above construction.
  • the synthetic fiber rope has a high coefficient of friction compared to a steel rope and is superior in flexibility.
  • the car 4 can be stably suspended at its center of gravity.
  • first and second main rope connection portions 9 and 10 are disposed on both sides of the car 4, it is not necessary to dispose connection portions for the main rope group 15 on an upper portion of the car 4. Consequently, the dimensions of the upper portion of the car 4 can be reduced, enabling suppression of increases in height dimensions of the hoistway 1 while disposing the driving machine 6 in the upper portion inside the hoistway 1.
  • first and second car return sheaves 11 and 12 are disposed between the hoistway walls 1a and 1b and the region projected vertically from the car 4, the first and second car return sheaves 11 and 12 do not come into contact with the car 4. Consequently, increases in height dimensions of the hoistway 1 can be suppressed.
  • Increases in height dimensions of the hoistway 1 can be further suppressed if lower ends of the first and second car return sheaves 11 and 12 are disposed so as to be lower than a car ceiling position when the car 4 is positioned at a maximum point of upward motion, .
  • the equipment can be disposed utilizing space inside the hoistway 1 effectively and can be easily adapted to changes in frontage dimensions and depth dimensions of the car 4.
  • first and second main ropes 16 and 17 composed of a synthetic fiber rope having a high coefficient of friction and superior flexibility are used, diameters of the drive sheave 8, the return sheaves 11 to 13, and the pulley 14 can be reduced, enabling suppression of increases in height dimensions of the hoistway 1.
  • Figure 4 is a general plan showing an elevator apparatus according to Embodiment 2 of the present invention
  • Figure 5 is a side elevation showing the elevator apparatus in Figure 4 .
  • a first direction-changing pulley 18 rotatable around a rotating shaft extending in a vertical direction is disposed above the second corner portion of the rear portion of the car 4.
  • the first and second main ropes 16 and 17 are wound around the first direction-changing pulley 18 and are branched off at the first direction-changing pulley 18.
  • a second direction-changing pulley 19 rotatable around a rotating shaft extending in a vertical direction is disposed between the first direction-changing pulley 18 and the first car return sheave 11.
  • the first main ropes 16 pass from the first direction-changing pulley 18, through the second direction-changing pulley 19 and the first car return sheave 11, and are connected to the first main rope connection portion 9.
  • the rest of the construction is similar to that of Embodiment 1.
  • Figure 6 is a general plan showing an elevator apparatus according to Embodiment 3
  • Figure 7 is a side elevation showing the elevator apparatus in Figure 6 .
  • a hoistway 31 has hoistway walls 31a to 31c.
  • a pair of car guide rails 32 and a pair of counterweight guide rails 33 are installed inside the hoistway 31.
  • a car 34 is guided by the car guide rails 32 so as to be raised and lowered inside the hoistway 31.
  • the car 34 has mutually opposite first and second side surfaces 34a and 34b.
  • a counterweight 35 is guided by the counterweight guide rails 33 so as to be raised and lowered inside the hoistway 31.
  • the counterweight 35 is disposed between the first side surface 34a of the car 34 and the hoistway walls 31a.
  • a driving machine (a hoisting machine) 36 for raising and lowering the car 34 and the counterweight 35 is disposed horizontally in an upper portion inside the hoistway 31.
  • the driving machine 36 is disposed above a first corner portion of a rear portion of the car 34.
  • the driving machine 36 also has a driving machine body 37 and a drive sheave 38.
  • the drive sheave 38 is rotated by the driving machine body 37 around a rotating shaft extending in a vertical direction.
  • the car 34 and the counterweight 35 are suspended inside the hoistway 31 by main ropes 39 composed of a synthetic fiber rope.
  • the main ropes 39 have car end portions 39a and counterweight end portions 39b secured to car and counterweight rope fastener portions 40a and 40b in an upper portion inside the hoistway 31, intermediate portions being wound around the drive sheave 38.
  • the construction of the main ropes 39 is similar to that in Figure 3 .
  • the car 34 is suspended inside the hoistway 31 by the main ropes 39 between the drive sheave 38 and the car end portions 39a.
  • the counterweight 35 is suspended inside the hoistway 31 by the main ropes 39 between the drive sheave 38 and the counterweight end portions 39b.
  • a car return sheave 41 for guiding the main ropes 39 from the drive sheave 38 to the car 34 and a counterweight return sheave 42 for guiding the main ropes 39 from the drive sheave 38 to the counterweight 35 are disposed in upper portions inside the hoistway 31.
  • the car and counterweight return sheaves 41 and 42 are disposed above a space between the first side surface 34a of the car 34 and the hoistway wall 31a.
  • a pair of rotatable car suspension sheaves 43 around which the main ropes 39 are wound are disposed on a lower portion of the car 34.
  • a rotatable counterweight suspension sheave 44 around which the main ropes 39 are wound is disposed on an upper portion of the counterweight 35.

Landscapes

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

Claims (5)

  1. Dispositif d'ascenseur comprenant :
    une gaine (1) ayant une paroi de gaine (la, 1b, 1c) ;
    une machine d'entraînement (6) disposée dans une partie supérieure à l'intérieur de ladite gaine (1), ayant :
    un corps de machine d'entraînement (7) ; et
    une poulie d'entraînement (8) entraînée en rotation par ledit corps de machine d'entraînement (7) ;
    un groupe de câbles principaux (15) enroulé autour de ladite poulie d'entraînement (8) ; et
    une cabine (4) et un contrepoids (5) suspendus à l'intérieur de ladite gaine (1) par ledit groupe de câbles principaux (15) afin d'être levé et abaissé à l'intérieur de ladite gaine (1) par ladite machine d'entraînement (6), dans lequel :
    de première et seconde parties de raccordement de câbles principaux (9, 10) sont disposées sur ladite cabine (4) afin d'être positionnées sur les côtés opposés de ladite cabine (4) dans un plan vertical de saillie, de première et seconde poulies de retour de cabine (11, 12) sont disposées au-dessus desdites première et seconde parties de raccordement de câbles principaux (9, 10) dans une partie supérieure à l'intérieur de ladite gaine (1),
    une poulie de retour de contrepoids (13) est disposée au-dessus dudit contrepoids (5) dans une partie supérieure à l'intérieur de ladite gaine (1), et
    ledit groupe de câbles principaux (15) a :
    un premier câble principal (16), dont une première partie d'extrémité passe à travers ladite première poulie de retour de cabine (11) et est raccordée à ladite première partie de raccordement de câble principal (9) et dont une seconde partie d'extrémité passe à travers ladite poulie de retour de contrepoids (13) et est raccordée audit contrepoids (5) ; et
    un second câble principal (17), dont une première partie d'extrémité passe à travers ladite seconde poulie de retour de cabine (12) et est raccordée à ladite seconde partie de raccordement de câble principal (10) et dont une seconde partie d'extrémité passe à travers ladite poulie de retour de contrepoids (13) et est raccordée audit contrepoids (5),
    caractérisé en ce que la poulie d'entraînement (8) tourne autour d'un arbre rotatif s'étendant dans une direction verticale, et
    (a) en ce que les première et seconde poulies de retour de cabine (11, 12) sont parallèles à chacune des parois de gaine opposées (la, 1b), et/ou en ce que :
    (b) une première poulie de changement de direction (18) pouvant tourner autour d'un arbre rotatif s'étendant dans une direction verticale est disposée dans une partie supérieure à l'intérieur de ladite gaine (1), lesdits premier et second câbles principaux (16, 17) sont enroulés autour de ladite première poulie de changement de direction (18) et bifurqués au niveau de ladite première poulie de changement de direction (18), et une seconde poulie de changement de direction (19) pouvant tourner autour d'un arbre rotatif s'étendant dans une direction verticale autour duquel ledit premier câble principal (16) est enroulé, est disposée entre ladite première poulie de changement de direction (18) et ladite première poulie de retour de cabine (11).
  2. Dispositif d'ascenseur selon la revendication 1, dans lequel lesdites première et seconde poulies de retour de cabine (11, 12) sont disposées entre ladite paroi de gaine (1a, 1b, 1c) et une région en saillie verticalement par rapport à ladite cabine (4).
  3. Dispositif d'ascenseur selon la revendication 2, dans lequel ledit contrepoids (5) est disposé derrière ladite cabine (4) et ladite machine d'entraînement (6) est disposée au-dessus d'une première partie d'angle d'une partie arrière de ladite cabine (4).
  4. Dispositif d'ascenseur selon la revendication 3, dans lequel une poulie de changement de direction (14) pouvant tourner autour d'un arbre rotatif s'étendant dans une direction verticale est disposée dans une partie supérieure à l'intérieur de ladite gaine (1), lesdits premier et seconds câbles principaux (16, 17) sont bifurqués au niveau de ladite poulie d'entraînement (8), et ledit second câble principal (17) est enroulé autour de ladite poulie de changement de direction (14).
  5. Dispositif d'ascenseur selon la revendication 1, dans lequel lesdits premier et second câbles principaux (16, 17) sont composés d'un câble en fibres synthétiques.
EP00957123A 2000-09-12 2000-09-12 Dispositif d'ascenseur Expired - Lifetime EP1319627B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09150612A EP2042462B1 (fr) 2000-09-12 2000-09-12 Appareil d'ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/006230 WO2002022486A1 (fr) 2000-09-12 2000-09-12 Dispositif d'ascenseur

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP09150612A Division EP2042462B1 (fr) 2000-09-12 2000-09-12 Appareil d'ascenseur

Publications (3)

Publication Number Publication Date
EP1319627A1 EP1319627A1 (fr) 2003-06-18
EP1319627A4 EP1319627A4 (fr) 2008-09-03
EP1319627B1 true EP1319627B1 (fr) 2009-12-09

Family

ID=11736454

Family Applications (2)

Application Number Title Priority Date Filing Date
EP00957123A Expired - Lifetime EP1319627B1 (fr) 2000-09-12 2000-09-12 Dispositif d'ascenseur
EP09150612A Expired - Lifetime EP2042462B1 (fr) 2000-09-12 2000-09-12 Appareil d'ascenseur

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09150612A Expired - Lifetime EP2042462B1 (fr) 2000-09-12 2000-09-12 Appareil d'ascenseur

Country Status (5)

Country Link
EP (2) EP1319627B1 (fr)
JP (1) JPWO2002022486A1 (fr)
CN (1) CN1178844C (fr)
DE (1) DE60043516D1 (fr)
WO (1) WO2002022486A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1512652B1 (fr) * 2002-06-10 2010-08-11 Mitsubishi Denki Kabushiki Kaisha Ascenseur
JPWO2004065275A1 (ja) * 2003-01-23 2006-06-22 三菱電機株式会社 エレベータ装置
EP1602612A4 (fr) * 2003-03-10 2009-08-05 Mitsubishi Electric Corp Ascenseur
DE60333795D1 (de) * 2003-03-12 2010-09-23 Mitsubishi Electric Corp Aufzugsvorrichtung
DE10325937B4 (de) * 2003-06-07 2005-06-23 Schmitt Aufzüge GmbH Aufzug mit einer seilgetriebenen Kabine
JPWO2005056456A1 (ja) * 2003-12-11 2007-07-05 三菱電機株式会社 エレベータ装置
US20070170005A1 (en) * 2004-02-19 2007-07-26 Mitsubishi Electric Corporation Machine room-less elevator
CN1812926A (zh) * 2004-04-28 2006-08-02 三菱电机株式会社 电梯装置
WO2005121007A1 (fr) * 2004-06-07 2005-12-22 Mitsubishi Denki Kabushiki Kaisha Appareillage d'ascenseur
CN100590053C (zh) * 2004-09-22 2010-02-17 三菱电机株式会社 电梯装置
WO2006095390A1 (fr) * 2005-03-04 2006-09-14 Mitsubishi Denki Kabushiki Kaisha Machinerie d'ascenseur
KR100752860B1 (ko) * 2005-12-28 2007-08-29 미쓰비시덴키 가부시키가이샤 엘리베이터 장치
KR100804886B1 (ko) * 2006-02-06 2008-02-20 미쓰비시덴키 가부시키가이샤 엘리베이터 장치
DE102006044669A1 (de) 2006-02-09 2008-04-03 Aufzugteile Bt Gmbh Maschinenraumloser Treibkörperaufzug
KR100804887B1 (ko) * 2007-10-12 2008-02-20 미쓰비시덴키 가부시키가이샤 엘리베이터 장치
CN104192673A (zh) * 2014-03-18 2014-12-10 永大电梯设备（中国）有限公司 一种无机房电梯装置
CN113003366B (zh) * 2021-02-01 2024-01-30 泰州威迈机电科技有限公司 一种带电梯曳引钢丝绳打滑侦测装置的牵引装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62197672U (fr) * 1986-06-03 1987-12-16
BR9500779A (pt) * 1994-03-02 1995-10-24 Inventio Ag Cabo como meio de suporte para elevadores
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
DE59709841D1 (de) * 1996-11-11 2003-05-22 Inventio Ag Aufzugsanlage mit im Aufzugsschacht angeordneter Antriebseinheit
MY121775A (en) * 1998-04-28 2006-02-28 Toshiba Kk Traction type elevator apparatus
JP4191331B2 (ja) * 1999-01-08 2008-12-03 三菱電機株式会社 エレベーター装置

Also Published As

Publication number Publication date
DE60043516D1 (de) 2010-01-21
EP2042462A1 (fr) 2009-04-01
EP2042462B1 (fr) 2011-05-18
EP1319627A1 (fr) 2003-06-18
CN1178844C (zh) 2004-12-08
WO2002022486A1 (fr) 2002-03-21
JPWO2002022486A1 (ja) 2004-01-22
CN1387491A (zh) 2002-12-25
EP1319627A4 (fr) 2008-09-03

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