EP1357075B1 - Dispositif de cabine pour ascenseurs a double cabine - Google Patents

Dispositif de cabine pour ascenseurs a double cabine Download PDF

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Publication number
EP1357075B1
EP1357075B1 EP00974827A EP00974827A EP1357075B1 EP 1357075 B1 EP1357075 B1 EP 1357075B1 EP 00974827 A EP00974827 A EP 00974827A EP 00974827 A EP00974827 A EP 00974827A EP 1357075 B1 EP1357075 B1 EP 1357075B1
Authority
EP
European Patent Office
Prior art keywords
car
main frame
lower car
pulley
upper car
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
EP00974827A
Other languages
German (de)
English (en)
Other versions
EP1357075A4 (fr
EP1357075A1 (fr
Inventor
Susumu Mitsubishi Denki Kabushiki Kaisha MORITA
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 EP1357075A1 publication Critical patent/EP1357075A1/fr
Publication of EP1357075A4 publication Critical patent/EP1357075A4/fr
Application granted granted Critical
Publication of EP1357075B1 publication Critical patent/EP1357075B1/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
    • B66B11/02—Cages, i.e. cars
    • B66B11/0206—Car frames
    • 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
    • B66B11/02—Cages, i.e. cars
    • B66B11/0206—Car frames
    • B66B11/0213—Car frames for multi-deck cars
    • B66B11/022—Car frames for multi-deck cars with changeable inter-deck distances
    • 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
    • B66B5/12—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of rope or cable slack

Definitions

  • the present invention relates to a car apparatus for a double-deck elevator in which an upper car and a lower car are supported by a main frame raised and lowered in a hoistway.
  • Fig. 6 is a block diagram showing a conventional car apparatus for a double-deck elevator such as disclosed, for example, in Japanese Patent Application Laid-Open No. Sho 48-76242 .
  • a pair of guide rails 2a and 2b are provided in a main frame 1 which is raised and lowered in a hoistway.
  • An upper car 3 and a lower car 4 are supported by the main frame 1 and raised and lowered along the guide rails 2a and 2b in the main frame 1. Because of this, the distance between the upper car 3 and the lower car 4 can be adjusted.
  • Rotatable first and second sprockets 5 and 6 are disposed at the upper portion of the main frame 1 and spaced from one another in a horizontal direction.
  • First and second chains 7 and 8 are wound around the first and second sprockets 5 and 6.
  • First end portions of the first and second chains 7 and 8 are connected to the upper car 3, and second end portions of the first and second chains 7 and 8 are connected to the lower car 4. That is, the upper car 3 and the lower car 4 are suspended by the first and second chains 7 and 8.
  • Third and fourth sprockets 9 and 10 that rotate with the first and second sprockets 5 and 6 are fixed to the axles of the first and second sprockets 5 and 6.
  • a rotatable fifth sprocket 11 is disposed at the main frame 1 in the vicinity of the fourth sprocket 10.
  • a car position adjusting driving machine 12 for changing the distance between the upper car 3 and the lower car 4 by raising and lowering the upper car 3 and the lower car 4 is mounted to the upper end portion of the main frame 1.
  • the car position adjusting driving machine 12 has a car position adjusting driving sprocket 13.
  • a loop-like third chain 14 is wound around the third to fifth sprockets 9 to 11 and the car position adjusting driving sprocket 13.
  • the lower car 4 Since the upper car 3 and the lower car 4 are suspended by the first and second chains 7 and 8, the lower car 4 is raised while the upper car 3 is lowered, and the upper car 3 is raised while the lower car 4 is lowered. Owing to this, the distance between the upper car 3 and the lower car 4 is changed, and irregular distances between floors can be dealt with.
  • the present invention is made to solve the problem mentioned above, and an object of the present invention is to provide a car apparatus for a double-deck elevator which can prevent an upper car and a lower car from falling when a suspending member suspending the upper car and the lower car is cut.
  • a car apparatus for a double-deck elevator comprising: a main frame having a guide rail, that is raised and lowered in a hoistway; an upper car disposed inside the main frame, the upper car capable of being raised and lowered along the guide rail; a lower car disposed inside the main frame below the upper car, the lower car capable of being raised and lowered along the guide rail; a car position adjusting driving machine mounted to the main frame and having a car position adjusting drive sheave, for changing a distance between the upper car and the lower car by raising and lowering the upper car and the lower car, and a flexible suspending member suspending the upper car and the lower car in relation to the main frame, wound around the car position adjusting drive sheave, wherein the upper car and the lower car are suspended in relation to the main frame by an odd number roping method, and the upper car and the lower car are provided with slack rope safeties for fixing the upper car and the lower car in relation to the guide rail,
  • Fig. 1 is a front view showing a car apparatus for a double-deck elevator according to an embodiment of the present invention
  • Fig. 2 is a cross-sectional view taken along the line II-II in Fig. 1 .
  • a main driving machine (hoisting machine) 21 having a drive sheave 21a, and a deflector sheave 22 are disposed at an upper portion of a hoistway.
  • a main rope 23 is wound around the drive sheave 21a and the deflector sheave 22.
  • a car apparatus 24 is suspended at a first end portion of the main rope 23.
  • a counterweight 25 is suspended at a second end portion of the main rope 23.
  • Amain frame 26 of the car apparatus 24 has a pair of longitudinal columns 27, an upper beam 28, an intermediate beam 29, a lower beam 30, a pair of upper car guide rails 31, and a pair of lower car guide rails 32.
  • the upper beam 28 is horizontally fixed between upper end portions of the longitudinal columns 27.
  • the intermediate beam 29 is horizontally fixed between intermediate portions of the longitudinal columns 27.
  • the lower beam 30 is horizontally fixed between lower end portions of the longitudinal columns 27.
  • the upper car guide rails 31 and the lower car guide rails 32 are fixed inside the main frame 26 in parallel with the longitudinal columns 27.
  • An upper car 33 is disposed between the upper beam 28 and the intermediate beam 29.
  • the upper car 33 is capable of being raised and lowered along the upper car guide rails 31.
  • a lower car 34 is disposed between the intermediate beam 29 and the lower beam 30.
  • the lower car is capable of being raised and lowered along the lower car guide rails 32.
  • a car position adjusting driving machine 35 which changes the distance between the upper car 33 and the lower car 34 by raising and lowering the upper car 33 and the lower car 34 is supported by the upper beam 28.
  • the car position adjusting driving machine 35 has a car position adjusting drive sheave 36.
  • a pair of rotatable upper beam pulleys 37 are mounted to the upper beam 28.
  • a pair of rotatable intermediate beam pulleys 38 are mounted to the intermediate beam 29.
  • a pair of rotatable upper car pulleys 39 are mounted to an upper portion of the upper car 33.
  • a pair of rotatable lower car pulleys 40 are mounted to an upper portion of the lower car 34.
  • the upper car 33 and the lower car 34 are suspended in relation to the main frame 26 by a flexible rope 50 that is a suspending member.
  • the rope 50 is composed of a synthetic fiber rope, for example.
  • a first end portion of the rope 50 is connected to a lower portion of the upper car 33.
  • a second end portion of the rope 50 is connected to a lower portion of the lower car 34.
  • the rope 50 is wound in sequence around, from the first end portion, the upper beam pulleys 37, the upper car pulleys 39, the car position adjusting drive sheave 36, the lower car pulleys 40 and the intermediate beam pulleys 38. Accordingly, the upper car 33 and the lower car 34 are suspended by a 3:1 roping method.
  • Slack rope safeties 51 and 52 which detect slack in the rope 50 to fix the upper car 33 and the lower car 34 in relation to corresponding guide rails 31 and 32 are provided at the lower portions of the upper car 33 and the lower car 34, respectively.
  • Fig. 3 is a front view showing the slack rope safeties 51 and 52 in Fig. 1
  • Fig. 4 is a cross-sectional view taken along the line IV-IV in Fig. 3
  • the end portions of the rope 50 are connected to tip portions of mounting arms 53.
  • the mounting arms 53 are pivotably coupled with the lower portions of the upper car 33 and the lower car 34 about shafts 54.
  • the shafts 54 are disposed at base end portions of the mounting arms 53.
  • the mounting arms 53 are urged downwardly in relation to the upper car 33 and the lower car 34 by compression springs 55.
  • Grip members 56 are fixed to side portions of the upper car 33 and the lower car 34.
  • the grip members 56 are provided with tapered groove portions 56a in which the guide rails 31 and 32 are inserted. Widths of the groove portions 56a broaden in the downward direction.
  • Levers 57 which are mechanically interlocked with pivoting of the mounting arms 53 to be pivoted are attached to the side portions of the upper car 33 and the lower car 34. Rollers 58 are provided at tip portions of the levers 57. When slack occurs in the rope 50 and the mounting arms 53 are pushed down by the compression springs 55, the rollers 58 are pushed between the groove portions 56a and the guide rails 31 and 32.
  • Each of the slack rope safeties 51 and 52 has a mounting arm 53, a shaft 54, a compression spring 55, a grip member 56, a lever 57 and a roller 58.
  • Fig. 5 is a perspective view showing a construction of the rope 50 in Fig. 1 .
  • an inner strand layer 44 having a plurality of inner strands 42 and filler strands 43 disposed in gaps between these inner strands 42 is disposed around a core wire 41.
  • Each of the inner strands 42 is composed of a plurality of aramid fibers and an impregnating material such as a polyurethane or the like.
  • the filler strands 43 are composed of a polyamide, for example.
  • An outer strand layer 46 having a plurality of outer strands 45 is disposed around an outer circumference of the inner strand layer 44.
  • Each of the outer strands 45 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 42.
  • a friction-reducing coating layer 47 for preventing abrasion of the strands 42 and 45 due to friction among the strands 42 and 45 is disposed between the inner strand layer 44 and the outer strand layer 46.
  • a protective coating layer 48 is also disposed on an outer circumferential portion of the outer strand layer 46.
  • a synthetic fiber rope of this kind has a high coefficient of friction compared to a steel rope and is superior in flexibility.
  • the car apparatus 24 and the counterweight 25 are raised and lowered by the driving force of the main driving machine 21.
  • the upper car 33 and the lower car 34 simultaneously reach floors vertically abutting one another, the distances between the floors of the building are not always equal and there are some cases where the distances between the floors are different from each other depending upon the floor.
  • the upper car 33 and the lower car 34 are raised and lowered in relation to the main frame 26 by the car position adjusting driving machine 35 to adjust the distance between the upper car 33 and the lower car 34.
  • the lower car 34 is raised to reduce the distance between the upper car 33 and the lower car 34.
  • the upper car 33 is raised, the lower car 34 is lowered to increase the distance between the upper car 33 and the lower car 34.
  • the slack rope safeties 51 and 52 prevent the upper car 33 and the lower car 34 from falling in the main frame 26.
  • the mounting arms 53 are pushed downwardly by the compression springs 55, and the levers 57 are interlocked and pivoted. Owing to this, the rollers 58 are pushed between the groove portion 56a and the guide rails 31 and 32. Accordingly, even if the rope 50 slackens or is cut, the upper car 33 and the lower car 34 are fixed in relation to the guide rails 31 and 32, thereby preventing the upper car 33 and the lower car 34 from falling in the main frame 26.
  • the car position adjusting driving machine 35 hoists only the difference between the weights of the upper car 33 and the lower car 34, output can be reduced. Additionally, if in the 3:1 roping method, since the car position adjusting driving machine 35 is required to support only one third of the total weight of the upper car 33 and the lower car 34, the car position adjusting driving machine 35 can be reduced in size and weight.
  • the diameters of all the pulleys 37 to 40 can be reduced, and installation space for the pulleys 37 to 40 can be easily secured inside the main frame 26. Also, since the adjustment range between the maximum and minimum distances between the upper car 33 and the lower car 34 can be easily adjusted by only adjusting the length of the rope 50, structural restrictions are decreased.
  • the rope 50 composed of the synthetic fiber rope is shown as a suspending member, ropes composed of other materials may also be used. Further, it is also possible that a belt is used as the suspending member. Furthermore, it is also possible that a chain is used as the suspending member sprockets are used instead of the pulleys.
  • the suspending method of the car apparatus 24 is not limited to this.
  • the present invention is applicable to various types of double-deck elevators such as, for example, hydraulic elevators, roped linear motor elevators, or rope-less linear motor elevators.

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)
  • Elevator Control (AREA)

Claims (4)

  1. Dispositif à cabine (24), pour un ascenseur à double cabine, comprenant :
    une armature principale (26) comprenant un rail de guidage (31, 32) et levé et abaissé dans une cage d'ascenseur ;
    une cabine supérieure (33), disposée à l'intérieur de ladite armature principale (26), ladite cabine supérieure (33) étant capable d'être levée et abaissée le long dudit rail de guidage (31, 32) ;
    une cabine inférieure (34), disposée à l'intérieur de ladite armature principale (26), au-dessous de ladite cabine supérieure (33), ladite cabine inférieure (34) étant capable d'être levée et abaissée le long dudit rail de guidage (31, 32) ;
    une machinerie d'entraînement à ajustement de position de cabine (35), montée sur ladite armature principale (26) et comprenant une poulie d'entraînement à ajustement de position de cabine (36), pour modifier une distance entre ladite cabine supérieure (33) et ladite cabine inférieure (34), par levage et abaissement de ladite cabine supérieure (33) et de ladite cabine inférieure (34) ; et
    ladite cabine supérieure (33) et ladite cabine inférieure (34) sont suspendues par rapport à ladite armature principale (26), à l'aide un procédé de mouflage à nombre impair de brins ;
    caractérisé en ce que ledit dispositif à cabine comprend en outre :
    un organe de suspension (50) flexible, servant à suspendre ladite cabine supérieure (33) et ladite cabine inférieure (34) par rapport à ladite armature principale (26), enroulé autour de ladite poulie d'entraînement à ajustement de position de cabine (36), et
    ladite cabine supérieure (33) et ladite cabine inférieure (34) sont munies de sécurités de mou de câbles (51, 52) pour fixer ladite cabine supérieure (33) et ladite cabine inférieure (34) par rapport audit rail de guidage (31, 32), respectivement, lorsqu'un mou est détecté dans ledit organe de suspension (50).
  2. Dispositif à cabine (24), pour un ascenseur à double cabine selon la revendication 1, dans lequel chaque sécurité de mou de câbles (51, 52) comprend :
    un bras de montage (53), couplé à pivotement, respectivement, à ladite cabine supérieure (33) ou ladite cabine inférieure (34), auquel l'une, des première et deuxième parties d'extrémité dudit organe de suspension (50), est connectée ;
    un ressort (55), sollicitant ledit bras de montage (53) vers le bas par rapport à ladite cabine supérieure (33) et ladite cabine inférieure (34) ;
    un organe de saisie (56), muni d'une partie à gorge (56a) effilée, dans laquelle ledit rail de guidage (31, 32) est inséré ; et
    un galet (58), disposé dans ladite partie à gorge (56a), ledit galet (58) étant poussé entre ladite partie à gorge (56a) et ledit rail de guidage (31, 32) lorsque du mou est généré dans ledit organe de suspension (50), et ledit bras de montage (53) est poussé vers le bas par ledit ressort (55).
  3. Dispositif à cabine (24), pour un ascenseur à double cabine selon la revendication 1 ou 2, dans lequel ledit organe de suspension (50) est composé d'un câble en fibre synthétique.
  4. Dispositif à cabine (24), pour un ascenseur à double cabine selon l'une quelconque des revendications 1 à 3, dans lequel :
    ladite armature principale (26) comprend une paire de colonnes longitudinales (27), une poutre supérieure (28), fixée entre des parties d'extrémité supérieure desdites colonnes longitudinales (27), une poutre intermédiaire (29), fixée entre des parties intermédiaires desdites colonnes longitudinales (27), et une poutre inférieure, fixée entre des parties d'extrémité inférieures desdites colonnes longitudinales (27) ;
    une poulie de poutre supérieure (37) est montée sur ladite poutre supérieure (28) ;
    une poulie de poutre intermédiaire (38) est montée sur ladite poutre intermédiaire (29) ;
    une poulie de cabine supérieure (39) est montée sur ladite cabine supérieure (33) ;
    une poulie de cabine inférieure (40) est montée sur ladite cabine inférieure (34) ;
    une première partie d'extrémité dudit organe de suspension (50) est connectée à ladite cabine supérieure (33) ;
    une deuxième partie d'extrémité dudit organe de suspension (50) est connectée à ladite cabine inférieure (34) ; et
    ledit organe de suspension (50) est enroulé séquentiellement autour de ladite première partie d'extrémité, ladite poulie de poutre supérieure (37), ladite poulie de cabine supérieure (39), ladite poulie d'entraînement à ajustement de position de cabine (36), ladite poulie de cabine inférieure (40) et ladite poulie de poutre intermédiaire (38).
EP00974827A 2000-11-08 2000-11-08 Dispositif de cabine pour ascenseurs a double cabine Expired - Lifetime EP1357075B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/007846 WO2002038482A1 (fr) 2000-11-08 2000-11-08 Dispositif de cabine pour ascenseurs a double cabine

Publications (3)

Publication Number Publication Date
EP1357075A1 EP1357075A1 (fr) 2003-10-29
EP1357075A4 EP1357075A4 (fr) 2008-11-26
EP1357075B1 true EP1357075B1 (fr) 2010-03-10

Family

ID=11736668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00974827A Expired - Lifetime EP1357075B1 (fr) 2000-11-08 2000-11-08 Dispositif de cabine pour ascenseurs a double cabine

Country Status (5)

Country Link
EP (1) EP1357075B1 (fr)
JP (1) JPWO2002038482A1 (fr)
CN (1) CN1239376C (fr)
DE (1) DE60043999D1 (fr)
WO (1) WO2002038482A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11332344B2 (en) 2018-05-16 2022-05-17 Otis Elevator Company Elevator car frame assembly

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FI5925U1 (fi) * 2003-04-02 2003-09-05 Kone Corp Laitteisto double-deck tasolle ajamiseksi
FI116617B (fi) * 2003-08-12 2006-01-13 Kone Corp Menetelmä ja laitteisto kaksoiskorihissin korivälin säätämiseksi
US7353914B2 (en) 2003-10-20 2008-04-08 Inventio Ag Safety system for an elevator
EP1526104B1 (fr) * 2003-10-20 2006-06-07 Inventio Ag Dispositif de sécurité pour un système multi-pont d'ascenseur
SG115739A1 (en) * 2004-03-17 2005-10-28 Inventio Ag Equipment for fine positioning of the cages of a multi-stage cage for a lift
SG115736A1 (en) 2004-03-17 2005-10-28 Inventio Ag Equipment for fine positioning of a cage of a multi-stage cage
FI118335B (fi) 2004-07-30 2007-10-15 Kone Corp Hissi
KR100999098B1 (ko) 2008-08-12 2010-12-08 현대엘리베이터주식회사 층 맞춤 기능을 갖는 더블 데크 엘리베이터
JP5103366B2 (ja) * 2008-11-26 2012-12-19 株式会社日立製作所 エレベーターの駆動装置
JP2011020788A (ja) * 2009-07-15 2011-02-03 Toshiba Elevator Co Ltd エレベータ制御装置
EP2512968B1 (fr) * 2009-12-15 2015-04-29 Inventio AG Installation d'ascenseur à double cabine
KR20120130087A (ko) * 2009-12-15 2012-11-28 인벤티오 아게 이단 승강기 장치
WO2012127683A1 (fr) * 2011-03-24 2012-09-27 三菱電機株式会社 Élévateur à double plateau
WO2012131755A1 (fr) * 2011-03-28 2012-10-04 三菱電機株式会社 Ascenseur à double pont
JP5539268B2 (ja) * 2011-06-22 2014-07-02 株式会社日立製作所 ダブルデッキエレベーターのかご用非常止め復帰方法
KR101494583B1 (ko) 2011-06-27 2015-02-17 미쓰비시덴키 가부시키가이샤 더블-데크 엘리베이터
JP5462843B2 (ja) * 2011-08-04 2014-04-02 株式会社日立製作所 ダブルデッキエレベータおよびその制御方法
KR101700049B1 (ko) * 2012-08-14 2017-01-26 미쓰비시덴키 가부시키가이샤 더블 데크 엘리베이터
CN105189324B (zh) * 2013-05-07 2017-12-05 奥的斯电梯公司 在多轿厢电梯系统中连接轿厢
US10035683B2 (en) * 2013-12-05 2018-07-31 Inventio Ag Elevator system
US10899580B2 (en) 2018-01-15 2021-01-26 Otis Elevator Company Elevator cab suspension assembly for a double deck elevator
JP7003954B2 (ja) 2019-03-15 2022-01-21 フジテック株式会社 ダブルデッキエレベータ
CN111891882B (zh) * 2020-09-09 2023-09-08 金胜昔 一种连续升降机构、连续升降机构的提升方法及竖井
CN117083237A (zh) * 2021-03-26 2023-11-17 因温特奥股份公司 用于双层电梯的行驶篮结构以及双层电梯

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GB191028632A (en) * 1910-12-09 1911-12-11 Oliver George Golding Safety Appliance for Pit and Mine Cages, Hoists, Lifts and the like.
JPS4876242A (fr) * 1972-01-11 1973-10-13
BR9500779A (pt) * 1994-03-02 1995-10-24 Inventio Ag Cabo como meio de suporte para elevadores
JP4262824B2 (ja) * 1999-04-08 2009-05-13 東芝エレベータ株式会社 ダブルデッキエレベータ装置
JP4270642B2 (ja) * 1999-04-23 2009-06-03 東芝エレベータ株式会社 エレベーター装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11332344B2 (en) 2018-05-16 2022-05-17 Otis Elevator Company Elevator car frame assembly

Also Published As

Publication number Publication date
CN1420839A (zh) 2003-05-28
EP1357075A4 (fr) 2008-11-26
JPWO2002038482A1 (ja) 2004-03-18
EP1357075A1 (fr) 2003-10-29
DE60043999D1 (de) 2010-04-22
WO2002038482A1 (fr) 2002-05-16
CN1239376C (zh) 2006-02-01

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