EP1886956A1 - Aufzugsvorrichtung - Google Patents

Aufzugsvorrichtung Download PDF

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Publication number
EP1886956A1
EP1886956A1 EP05746005A EP05746005A EP1886956A1 EP 1886956 A1 EP1886956 A1 EP 1886956A1 EP 05746005 A EP05746005 A EP 05746005A EP 05746005 A EP05746005 A EP 05746005A EP 1886956 A1 EP1886956 A1 EP 1886956A1
Authority
EP
European Patent Office
Prior art keywords
hoistway
heat insulator
heat
elevator apparatus
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.)
Withdrawn
Application number
EP05746005A
Other languages
English (en)
French (fr)
Other versions
EP1886956A4 (de
Inventor
Naoki c/o Mitsubishi Denki K. K. HASHIGUCHI
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 EP1886956A1 publication Critical patent/EP1886956A1/de
Publication of EP1886956A4 publication Critical patent/EP1886956A4/de
Withdrawn legal-status Critical Current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

Definitions

  • the present invention relates to an elevator apparatus in which a driving machine for raising and lowering a car is arranged in a top portion of a hoistway.
  • a driving machine for raising and lowering a car is arranged in a top portion of a hoistway.
  • the driving machine is arranged above the car such that the driving machine overlaps the car in a vertical projection plane (see, for example, Patent Document 1).
  • Patent Document 1 JP 2000-255933 A
  • the present invention has been made with a view toward solving the above-mentioned problem in the prior art. It is an object of the present invention to provide an elevator apparatus capable of reducing, with a simple structure, an influence of heat on the driving machine that is arranged in the top portion of the hoistway.
  • An elevator apparatus comprises: a car that is raised and lowered within a hoistway; a frame body that is arranged in a top portion of the hoistway; a driving machine supported by the frame body and for raising and lowering the car; a heat insulator provided on the frame body and adapted to cut off heat conducted to the driving machine from outside the frame body.
  • an elevator apparatus according to the present invention comprises: a car that is raised and lowered within a hoistway; a driving machine arranged in a top portion of the hoistway, for raising and lowering the car; and a ceiling heat insulator provided on a ceiling surface of the hoistway, for cutting off heat conducted to interior of the hoistway from outside the hoistway.
  • an elevator apparatus comprises: a car that is raised and lowered within a hoistway; a driving machine arranged in a top portion of the hoistway, for raising and lowering the car; and an elevator roof heat insulator provided in a region of a roof of a building right above the hoistway, for enhancing a heat insulating property of the region as compared with a heat insulating property of the other regions of the roof.
  • Fig. 1 is a plan view of a main portion of an elevator apparatus according to Embodiment 1 of the present invention.
  • a hoistway 1 there are installed a pair of car guide rails 2a, 2b and a pair of counterweight guide rails 3a, 3b.
  • a car 4 is raised and lowered within the hoistway 1 while guided by the car guide rails 2a, 2b.
  • a counterweight 5 is raised and lowered within the hoistway 1 while guided by the counterweight guide rails 3a, 3b.
  • the car 4 has a car frame (not shown) and a cage 6 supported by the car frame.
  • the cage 6 has a front surface 6a in which a car entrance is provided, a back surface 6b opposed to the front surface 6a, first and second side surfaces 6c, 6d opposed to each other, a top surface 6e, and a bottom surface (not shown).
  • the counterweight 5 is arranged beside the car 4 such that when the counterweight 5 is at the same height as the car 4, it is opposed to the second side surface 6d.
  • the extensions of the central lines of the guide rails 2a, 2b in the vertical projection plane are parallel to and spaced apart from each other in the depth direction of the car 4. That is, the guide rails 2a, 2b are offset with respect to each other in the depth direction of the car 1.
  • the car guide rail 2a is opposed to the first side surface 6c on the rear side of the center of gravity G of the car 4.
  • the car guide rail 2b is opposed to the second side surface 6d on the front side of the center of gravity G of the car 4.
  • the counterweight 5 is arranged in the space within the hoistway 1 and at the rear of the guide rail 2b.
  • the driving machine 7 for raising and lowering the car 4 and the counterweight 5.
  • the driving machine 7 has a driving machine main body 8 including a motor and a brake, and a driving sheave 9 that is rotated by the motor.
  • a thin hoisting machine whose axial dimension is smaller than whose dimension perpendicular to the axial direction thereof.
  • the driving machine 7 is arranged such that the rotation axis of the driving sheave 9 is vertical or substantially vertical.
  • first ropes 11 Looped around the driving sheave 9 are a plurality of first ropes 11 (of which only one is shown in the figure) and a plurality of second ropes 12 (of which only one is shown in the figure).
  • the first and second ropes 11, 12 have car connection end portions connected to the top portion of the car 4, and counterweight connection end portions connected to the top portion of the counterweight 5, respectively. That is, the car 4 and the counterweight 5 are suspended within the hoistway 1 by the first and second ropes 11, 12 by utilizing a 1:1 roping system.
  • the connecting portions of the first ropes 11 on the car 4 and the connecting portions of the second ropes 12 on the car 4 are preferably arranged symmetrically with respect to a center of gravity G within the vertical projection plane. With this arrangement, it is possible to match a suspension center of the car 4 with the center of gravity G.
  • a first car deflector sheave 13 for guiding the first ropes 11 to the top portion of the car 4
  • a first counterweight deflector sheave 14 for guiding the first ropes 11 to the top portion of the counterweight 5
  • a second car deflector sheave 15 for guiding the second ropes 12 to the top portion of the car 4
  • a second counterweight deflector sheave 16 for guiding the second ropes 12 to the top portion of the counterweight 5
  • a direction change pulley 17 for turning over the first ropes 11 from the driving sheave 9 toward the first car deflector sheave 13.
  • the deflector sheaves 13 through 16 are arranged such that their rotation axes are horizontal.
  • the direction change pulley 17 is arranged such that its rotation axis is vertical or substantially vertical.
  • Fig. 2 is a schematic front view showing the top portion of the hoistway 1 of Fig. 1 .
  • a metal frame body 18 supporting the driving machine 7. While not shown in Fig. 2 , the frame body 18 also supports the deflector sheaves 13 through 16 and the direction change pulley 17.
  • the frame body 18 is a structure combining a plurality of structural members including beams and vertical members, and does not cover the driving machine 7, etc.
  • the frame body 18 is equipped with an upper heat insulator 19 as an insulator for cutting off the heat conducted to the driving machine 7 from the exterior of the frame body 18.
  • the upper heat insulator 19 is horizontally fixed to the top portion of the frame body 18 so as to be opposed to a ceiling surface 1a of the hoistway 1.
  • the upper heat insulator 19 may be provided so as to overlap the entire car 4 in a vertical projection plane, or so as to overlap solely a portion around the driving machine 7; it should be noted, however, that the larger the area of the heat insulator is, the higher the heat insulating effect for the driving machine 7 becomes.
  • the frame body 18 and the upper heat insulator 19 are omitted.
  • Fig. 3 is a schematic front view of the top portion of the hoistway 1 of an elevator apparatus according to Embodiment 2 of the present invention.
  • a side heat insulator 20 serving as a heat insulator is fixed to the side surfaces of the frame body 18 so as to be opposed to the hoistway walls 1b.
  • this embodiment is of the same construction as Embodiment 1.
  • the side heat insulator 20 is also fixed to the frame body 18 in addition to the upper heat insulator 19, so it is possible to reduce the influence of heat on the driving machine 7 more reliably. Further, the operation of mounting the side heat insulator 20 to the frame body 18 can also be conducted in the plant prior to the shipment of the product.
  • Fig. 4 is a schematic front view of the top portion of the hoistway 1 of an elevator apparatus according to Embodiment 3 of the present invention.
  • a lower heat insulator 21 serving as the heat insulator is fixed to a lower portion of the frame body 18 so as to be opposed to the top surface 6e of the car 4.
  • this embodiment is of the same construction as Embodiment 2.
  • the lower heat insulator 21 is also fixed to the frame body 18 in addition to the upper heat insulator 19 and the side heat insulator 20, so it is possible to reduce the influence of heat on the driving machine 7 more reliably. Further, the operation of mounting the lower heat insulator 21 to the frame body 18 can also be conducted in the plant prior to the shipment of the product.
  • Fig. 5 is a schematic front view of the top portion of the hoistway 1 of an elevator apparatus according to Embodiment 4 of the present invention.
  • the heat insulators 19, 20, 21 on the frame body 18 side are metal members 22, 23, 24 reflecting heat conducted to the driving machine 7 from the exterior of the frame body 18.
  • the metal members 22, 23, 24 have undergone a surface treatment to enhance their heat reflectance.
  • this embodiment is of the same construction as Embodiment 3.
  • the heat transmitted through the heat insulators 19, 20, 21 to enter the frame body 18 is reflected by the metal members 22, 23, 24, and at the same time, heat rays radiated from the heat insulators 19, 20, 21 are also reflected by the metal members 22, 23, 24.
  • intrusion of dust into the frame body 18 from the heat insulators 19, 20, 21 is interrupted by the metal members 22, 23, 24, making it possible to keep the driving machine 7 clean.
  • a surface treatment is performed on the metal members 22, 23, 24, so it is possible to achieve an improvement in terms of heat reflection efficiency and to more reliably reduce the influence of heat on the driving machine 7.
  • Fig. 6 is a schematic front view of the top portion of the hoistway 1 of an elevator apparatus according to Embodiment 5 of the present invention.
  • a metal member 25 reflecting heat that is conducted to the driving machine 7 from the exterior of the frame body 18 is superimposed on the upper surface of the upper heat insulator 19 so as to be opposed to the ceiling surface 1a of the hoistway 1.
  • a large number of protrusions and recesses are provided on the metal member 25 so as to increase the surface area thereof.
  • this embodiment is of the same construction as Embodiment 3.
  • Fig. 7 is a schematic front view of the top portion of the hoistway 1 of an elevator apparatus according to Embodiment 6 of the present invention.
  • a ceiling heat insulator 26 for cutting off heat that is conducted to the interior of the hoistway 1 from the exterior of the hoistway 1 through the ceiling portion thereof.
  • a wall surface heat insulator 27 for cutting off heat conducted to the interior of the hoistway 1 from the exterior of the hoistway 1.
  • the ceiling heat insulator 26 of Embodiment 6 may be provided on the elevator apparatuses of Embodiments 1 through 5. Further, it is also possible to superimpose a metal member as that of Embodiments 4, 5 on the ceiling heat insulator.
  • Fig. 8 is a schematic front view of the top portion of the hoistway 1 of an elevator apparatus according to Embodiment 7 of the present invention.
  • an elevator roof heat insulator 28 fixed to a region of a roof of the building right above the hoistway 1 is an elevator roof heat insulator 28 for enhancing the heat insulation property of that region of the roof as compared with that of the other regions of the roof.
  • the elevator roof heat insulator 28 is added solely to the region right above the hoistway 1. Otherwise, this embodiment is of the same construction as Embodiment 4.
  • the elevator roof heat insulator 28 is fixed to the roof of the building, so it is possible to efficiently suppress an increase in temperature in the top portion of the hoistway 1, thereby making it possible to reduce the influence of heat on the driving machine 7.
  • Fig. 9 is a schematic front view of the hoistway 1 of an elevator apparatus according to Embodiment 7 of the present invention.
  • a metal member 29 reflecting heat is superimposed on the lower surface of the elevator roof heat insulator 28.
  • the laminated structure formed of the elevator roof heat insulator 28 and the metal member 29 is provided on the roof through the intermediation of a plurality of support legs 30 so as to be spaced apart from the roof by a gap.
  • this embodiment is of the same construction as Embodiment 7.
  • the counterweight 5 is arranged beside the car 4, it is also possible for the counterweight to be arranged behind the car such that when it is at the same height as the car, it is opposed to the back surface of the car.
  • the layout of the elevator apparatus as a whole is not restricted to that of the above embodiments; for example, the present invention is also applicable to an elevator apparatus using the 2:1 roping system.
  • the above embodiments have only been described in relation to a heat insulating structure, it is also naturally possible to add a cooling means for forcibly cooling the driving machine during operation of the elevator apparatus.
  • heat insulator it is possible to use, for example, a flat plate type heat insulator, a sheet-like heat insulator, or a layered heat insulator.
  • metal member it is possible to use, for example, a flat plate type metal member, or a film-like metal member.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
EP05746005A 2005-06-02 2005-06-02 Aufzugsvorrichtung Withdrawn EP1886956A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/010126 WO2006129358A1 (ja) 2005-06-02 2005-06-02 エレベータ装置

Publications (2)

Publication Number Publication Date
EP1886956A1 true EP1886956A1 (de) 2008-02-13
EP1886956A4 EP1886956A4 (de) 2013-01-16

Family

ID=37481295

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05746005A Withdrawn EP1886956A4 (de) 2005-06-02 2005-06-02 Aufzugsvorrichtung

Country Status (3)

Country Link
EP (1) EP1886956A4 (de)
JP (1) JPWO2006129358A1 (de)
WO (1) WO2006129358A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1905719A1 (de) * 2005-07-15 2008-04-02 Mitsubishi Denki Kabushiki Kaisha Aufzugsvorrichtung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008146403A1 (ja) * 2007-06-01 2008-12-04 Mitsubishi Electric Corporation エレベータ装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01247384A (ja) * 1988-03-28 1989-10-03 Hitachi Ltd 個人住宅用エレベータ昇降路装置
JPH09125547A (ja) * 1995-11-02 1997-05-13 Sekisui Chem Co Ltd 二重断熱部材
JP2000073485A (ja) * 1998-09-02 2000-03-07 Misawa Homes Co Ltd 建物のエレベータの設置構造
EP1327597A1 (de) * 2000-09-20 2003-07-16 Mitsubishi Denki Kabushiki Kaisha Aufzugsanordnung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001335262A (ja) * 2000-05-23 2001-12-04 Dainippon Printing Co Ltd エレベータ
JP2002265167A (ja) * 2001-03-07 2002-09-18 Hitachi Ltd エレベータ装置
JP2002265170A (ja) * 2001-03-08 2002-09-18 Toshiba Elevator Co Ltd エレベータ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01247384A (ja) * 1988-03-28 1989-10-03 Hitachi Ltd 個人住宅用エレベータ昇降路装置
JPH09125547A (ja) * 1995-11-02 1997-05-13 Sekisui Chem Co Ltd 二重断熱部材
JP2000073485A (ja) * 1998-09-02 2000-03-07 Misawa Homes Co Ltd 建物のエレベータの設置構造
EP1327597A1 (de) * 2000-09-20 2003-07-16 Mitsubishi Denki Kabushiki Kaisha Aufzugsanordnung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006129358A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1905719A1 (de) * 2005-07-15 2008-04-02 Mitsubishi Denki Kabushiki Kaisha Aufzugsvorrichtung
EP1905719A4 (de) * 2005-07-15 2013-02-27 Mitsubishi Electric Corp Aufzugsvorrichtung

Also Published As

Publication number Publication date
WO2006129358A1 (ja) 2006-12-07
JPWO2006129358A1 (ja) 2008-12-25
EP1886956A4 (de) 2013-01-16

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