EP1312573B1 - Elevator device - Google Patents

Elevator device Download PDF

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Publication number
EP1312573B1
EP1312573B1 EP00953535A EP00953535A EP1312573B1 EP 1312573 B1 EP1312573 B1 EP 1312573B1 EP 00953535 A EP00953535 A EP 00953535A EP 00953535 A EP00953535 A EP 00953535A EP 1312573 B1 EP1312573 B1 EP 1312573B1
Authority
EP
European Patent Office
Prior art keywords
driving machine
car
disposed
counterweight
hoistway
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
EP00953535A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1312573A4 (en
EP1312573A1 (en
Inventor
Shuki Mitsubishi Denki Kabushiki Kaisha HAMAGUCHI
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 EP1312573A1 publication Critical patent/EP1312573A1/en
Publication of EP1312573A4 publication Critical patent/EP1312573A4/en
Application granted granted Critical
Publication of EP1312573B1 publication Critical patent/EP1312573B1/en
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
    • B66B11/0065—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 hoisting machine is disposed at an upper portion in a hoistway.
  • EP 1 018 480 A2 discloses an elevator system which can be installed in a shaft accommodated within the height of the top floor of a building and in which a hoisting machine can be disposed within the shaft.
  • a couple of turning pulleys for changing a main cable extending between a car and a counterweight from a vertical direction to a horizontal direction are provided in a space between the edge of the car and the interior wall surface of a shaft.
  • the present invention is made to solve the problem mentioned above, and an object of the present invention is to provide an elevator apparatus wherein the number of component parts can be reduced and the layout can be simplified.
  • an elevator apparatus comprising: a driving machine disposed at an upper portion in a hoistway and having a driving sheave; a main rope wound around the driving sheave; and a car and a counterweight suspended in the hoistway by the main rope to be raised and lowered by the driving machine, wherein the car and the counterweight are suspended in the hoistway in a 1:1 roping method, the driving machine is disposed horizontally so that an axis of the driving sheave extends along a vertical direction, and a first turning deflector sheave for guiding the main rope from the driving machine to the car and a second turning deflector sheave for guiding the main rope from the driving machine to the counterweight are disposed at the upper portion in the hoistway.
  • Fig. 1 is a plan view showing a machine-room-less type elevator apparatus according to a first embodiment of the present invention
  • Fig. 2 is a front view showing essential portions of the elevator apparatus in Fig. 1 .
  • a pair of car guide rails 2 and a pair of counterweight guide rails 3 are installed in a hoistway 1.
  • a car 4 is guided by the car guide rails 2 to be raised and lowered in the hoistway 1.
  • a counterweight 5 is guided by the counterweight guide rails 3 to be raised and lowered in the hoistway 1.
  • a plurality of car guide shoes 6 which engage with the car guide rails 2 are provided at the car 4.
  • a plurality of counterweight guide shoes 7 which engage with the counterweight guide rails 3 are provided at the counterweight 5.
  • a supporting pedestal 8 is attached to the upper end portions of the guide rails 2 and 3.
  • a driving machine (hoisting machine) 9 is mounted on the supporting pedestal 8.
  • the driving machine 9 has a motor 10 and a driving sheave 11 rotated by the motor 10.
  • driving machine 9 has a thin configuration in which its length in the axial direction is shorter than its diameter. Further, the driving machine 9 is disposed so that the axis of the driving sheave 11 extends in a vertical direction. Furthermore, the driving machine 9 is disposed above the corner portion of the car 4.
  • a main rope 12 composed of a synthetic fiber rope is wound around the driving sheave 11.
  • the car 4 is suspended at one end portion of the main rope 12.
  • the counterweight 5 is suspended at the other end portion of the main rope 12. In other words, the car 4 and the counterweight 5 are suspended in the hoistway 1 in a 1:1 roping method.
  • One end portion of the main rope 12 is connected to an upper beam 4a of the car 4 through a rope shackle 13 and a buffer 14.
  • the other end portion of the main rope 12 is connected to an upper beam 5a of the counterweight 5 through a rope shackle 15 and a buffer 16.
  • a first turning deflector sheave 17 guiding the main rope 12 from the driving machine 9 to the car 4 and a second turning deflector sheave 18 guiding the main rope 12 from the driving machine 9 to the counterweight 5 are supported by the supporting pedestal 8.
  • the first and second turning deflector sheaves 17 and 18 are disposed so that their rotation axes extend along the horizontal direction. Also, the first and second turning deflector sheaves 17 and 18 are disposed so as to overlap the car 4 and the counterweight 5, respectively, in a vertically projected surface.
  • first and second turning deflector sheaves 17 and 18 are shorter than the thickness of the driving machine 9. Therefore, the first and second turning deflector sheaves 17 and 18 and the supporting pedestal 8 are disposed within the vertical dimensions of the driving machine 9.
  • Fig. 3 is a perspective view showing the construction of the main rope 12 in Fig. 1 .
  • an inner strand layer 24 having a plurality of inner strands 22 and filling strands 23 disposed in gaps between the inner strands 22 is disposed around a core rope 21.
  • Each inner strand 22 is composed of a plurality of aramid fibers and an impregnating agent such as polyurethane or the like.
  • the filling strands 23 are composed of, for example, polyamide.
  • An outer strand layer 26 having a plurality of outer strands 25 is disposed around the outer periphery of the inner strand layer 24.
  • Each outer strand 25 is composed of a plurality of aramid fibers and an impregnating agent such as polyurethane or the like just as in the inner strands 22.
  • a friction reducing covering layer 27 for preventing abrasion from friction between strands 22 and 25 at the sheaves such as at the driving sheave 11 or the like is disposed between the inner strand layer 24 and the outer strand layer 26. Further, a protective covering layer 28 is disposed around the outer periphery of the outer strand layer 26.
  • the car 4 and the counterweight 5 are suspended in the hoistway 1 by a plurality of main ropes 12 having the above described construction. Further, in the main rope 12, load is transmitted only by the strands 22 and 25. Furthermore, the synthetic fiber rope has a higher friction coefficient and superior flexibility in comparison to a steel rope.
  • D/d sheave diameter/rope diameter
  • the first and second turning deflector sheaves 17 and 18 can be disposed above the car 4 and the counterweight 5 to overlap them without increasing the height dimension of the upper portion of the hoistway 1, and the layout can be simplified.
  • the counterweight 5 is disposed behind the car 4 in the hoistway 1
  • this invention is also applicable to an elevator apparatus where the counterweight 5 is disposed beside the car 4 in the hoistway 1, for example, as shown in Fig. 4 .
  • the driving machine 9 and the first and second turning deflector sheaves 17 and 18 are supported by the guide rails 2 and 3 through the supporting pedestal 8 in the first and second embodiments, it is also possible that they be supported by wall portions of the hoistway 1 or a building.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
EP00953535A 2000-08-21 2000-08-21 Elevator device Expired - Lifetime EP1312573B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/005585 WO2002016247A1 (fr) 2000-08-21 2000-08-21 Dispositif ascenseur

Publications (3)

Publication Number Publication Date
EP1312573A1 EP1312573A1 (en) 2003-05-21
EP1312573A4 EP1312573A4 (en) 2008-09-03
EP1312573B1 true EP1312573B1 (en) 2009-11-11

Family

ID=11736378

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00953535A Expired - Lifetime EP1312573B1 (en) 2000-08-21 2000-08-21 Elevator device

Country Status (5)

Country Link
EP (1) EP1312573B1 (zh)
JP (1) JP4675548B2 (zh)
CN (1) CN1184130C (zh)
DE (1) DE60043310D1 (zh)
WO (1) WO2002016247A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1297468C (zh) * 2002-09-03 2007-01-31 三菱电机株式会社 电梯装置
WO2004080875A1 (ja) 2003-03-10 2004-09-23 Mitsubishi Denki Kabushiki Kaisha エレベータ装置
DE60333795D1 (de) 2003-03-12 2010-09-23 Mitsubishi Electric Corp Aufzugsvorrichtung
JPWO2007039926A1 (ja) * 2005-09-30 2009-04-16 三菱電機株式会社 エレベータ装置
EP2014597A1 (en) * 2006-05-01 2009-01-14 Mitsubishi Denki Kabushiki Kaisha Elevator device
CN101622186B (zh) * 2007-06-01 2011-06-22 三菱电机株式会社 电梯装置
JP4595011B2 (ja) * 2008-10-31 2010-12-08 三菱電機ビルテクノサービス株式会社 既設エレベータの改修方法及びエレベータ装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2169431C (en) * 1995-03-06 2005-07-12 Claudio De Angelis Equipment for recognising when synthetic fibre cables are ripe for being discarded
ATE273916T1 (de) * 1996-11-11 2004-09-15 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

Also Published As

Publication number Publication date
WO2002016247A1 (fr) 2002-02-28
DE60043310D1 (de) 2009-12-24
CN1184130C (zh) 2005-01-12
JP4675548B2 (ja) 2011-04-27
EP1312573A4 (en) 2008-09-03
CN1382098A (zh) 2002-11-27
EP1312573A1 (en) 2003-05-21

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