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EP1302430A1 - Dispositif d'ascenseur - Google Patents

Dispositif d'ascenseur Download PDF

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Publication number
EP1302430A1
EP1302430A1 EP00929880A EP00929880A EP1302430A1 EP 1302430 A1 EP1302430 A1 EP 1302430A1 EP 00929880 A EP00929880 A EP 00929880A EP 00929880 A EP00929880 A EP 00929880A EP 1302430 A1 EP1302430 A1 EP 1302430A1
Authority
EP
European Patent Office
Prior art keywords
car
traction
machine
hoistway
traction machine
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.)
Granted
Application number
EP00929880A
Other languages
German (de)
English (en)
Other versions
EP1302430B1 (fr
EP1302430A4 (fr
Inventor
Syuki 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 EP1302430A1 publication Critical patent/EP1302430A1/fr
Publication of EP1302430A4 publication Critical patent/EP1302430A4/fr
Application granted granted Critical
Publication of EP1302430B1 publication Critical patent/EP1302430B1/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
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides
    • B66B7/023—Mounting means therefor
    • B66B7/027—Mounting means therefor for mounting auxiliary devices
    • 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
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides

Definitions

  • the present invention relates to a machine room-less type elevator in which a traction machine is disposed at a top portion of a hoistway.
  • Figs. 6 and 7 show a conventional machine room-less type elevator described in Japanese Patent No. 2593288.
  • reference numeral 1 denotes a hoistway; 2, a pit portion; and 3, a hoistway top portion.
  • Reference numeral 4 denotes a traction machine, which is disposed at the hoistway top portion 3, and includes a traction sheave 5 and a motor portion 6.
  • Reference numeral 7 denotes a car adapted to ascend/descend in the hoistway
  • reference numeral 8 denotes a counterweight adapted to ascend/descend in the hoistway.
  • Reference numeral 9 denotes two car guide rails for guiding the ascent/descent of the car 7
  • reference numeral 10 denotes two counterweight guide rails for guiding the ascent/descent of the counterweight 8.
  • Reference numeral 11 denotes two suspension sheaves located under the car 7 and provided in the vicinity of the car guide rails 9.
  • Reference numeral 12 is a suspension sheave provided on the upper portion of the counterweight 8.
  • Reference numeral 13 denotes a wire rope, which is fixed at one end thereof to a car rope retaining portion 14 at the hoistway top portion 3, and extends upward via the two suspension sheaves 11. Furthermore, the wire rope 13, which is wound around the traction sheave 5 of the traction machine 4, drops as far as the suspension sheave 12, and then extends upwards via the suspension sheave 12 until the wire rope 13 is fixed at the other end thereof to a counterweight rope retaining portion 15. The driving force of the traction machine 4 is transmitted by means of this wire rope 13.
  • the traction machine 4 is disposed above the car guide rails 10 such that the traction sheave 5 and the motor portion 6 face the car and a wall of the hoistway 1, respectively. Additionally, as shown in Fig. 7, the traction machine 4 is disposed within a space between the wall of the hoistway 1 and a hoist passage for the car 1.
  • the present invention has been made to solve the above-mentioned problems inherent in the conventional machine room-less type elevator, and an object thereof is to reduce the space for the hoistway without being affected by the size of the traction machine. Another object of the present invention is to facilitate the maintenance and inspection of the elevator.
  • an elevator apparatus having: a car adapted to ascend/descend within a hoistway of the elevator apparatus; car guide rails for guiding the ascent/descent of the car; a counterweight adapted to ascend/descend within the hoistway in a direction opposite that in which the car descends/ascends; counterweight guide rails for guiding the ascent/descent of the counterweight; and a traction machine disposed at a top portion within the hoistway, having a traction sheave around which a rope is wound and adapted to raise/lower the car and the counterweight via the rope by rotating the traction sheave, wherein the traction machine is disposed above a hoist passage for the car and the traction machine partially overlaps the car when viewed from the top thereof.
  • the traction machine is disposed so that the traction sheave faces a wall of the hoistway, the traction sheave being located within a gap between the wall of the hoistway and the car.
  • the traction machine includes the traction sheave and a motor portion for rotating the traction sheave, the motor portion being located so as to partially or totally overlap the car when viewed from the top thereof.
  • the elevator apparatus has a machine base that is fixed to top portions of the car guide rails, wherein the traction machine is fixed onto the machine base.
  • the elevator apparatus has a machine base to which the traction machine is fixed and a first supporting member disposed between the machine base and the traction machine for elastically supporting a vertical load of the traction machine.
  • a machine base to which the traction machine is fixed and a brace mounted on the machine base for preventing the rolling of the traction machine.
  • the elevator apparatus has a second supporting member disposed between the brace and the traction machine for elastically supporting a horizontal load of the traction machine.
  • Fig. 1 is a perspective view showing a machine room-less type elevator apparatus according to the first embodiment of the present invention
  • Fig. 2 is a plan view showing the machine room-less type elevator apparatus according to the first embodiment
  • Fig. 3 is a detail view showing the traction machine fixing portion according to the first embodiment as viewed in a direction designated by an arrow A of Fig. 2.
  • reference numerals like to those used in the description of the conventional example indicate identical or corresponding parts of the conventional example.
  • Reference numeral 16 denotes a machine base on which a traction machine 4 is disposed.
  • This machine base 16 is fixed to top portions of car guide rails 9. As shown in Fig. 2, the machine base 16 partially overlaps a car 7 when viewed from the top thereof.
  • This machine base 16 may be constructed so as to be fixed to counterweight guide rails 10, as well.
  • the traction machine 4 is constructed so that a traction sheave 5 is disposed to face a wall of a hoistway 1, while a motor portion 6 is disposed to face the car 7 side of the hoistway 1.
  • the traction sheave 5 when viewed from the top, the traction sheave 5 is located in a gap between the wall of the hoistway and the car, and the motor portion 6 is located so as to overlap the car.
  • Reference numeral 17 denotes vibration isolators provided between the traction machine 4 and the machine base 16 for elastically supporting a vertical load of the traction machine.
  • Reference numeral 18 denotes a brace fixed to the machine base 16 for suppressing the rolling of the traction machine when in operation.
  • This brace 18 is made to be integral with the machine base 16 and the car guide rails 9.
  • the brace 18 is then made to be integral with the machine base 16, the car guide rails 9 and the counterweight guide rails 10.
  • Reference numeral 19 denotes vibration isolators provided between the traction machine 4 and the brace 18 for elastically supporting a horizontal load of the traction machine 4 generated when the traction machine 4 rolls.
  • An elastic body such as rubber is used for these vibration isolators.
  • the brace 18 is formed by an L-shaped member and is adapted to surround the back, top and front sides of the motor portion 6 of the traction machine 4. Then, the vibration isolators 19 are disposed between the back side of the motor portion 6 and the brace 18 and between the front side of the motor portion 6 and the brace 18, respectively. Such a structure is suitable for supporting the rolling of the traction machine 4.
  • One end of a rope 13 drops from the traction sheave 5 as far as suspension sheaves 11, then extends upwards via the suspension sheaves 11 and is connected to a rope retaining portion 14 at a top portion of the car guide rail 9.
  • the other end of the rope 13 drops from the traction sheave 5 as far as a suspension sheave 12 of the counterweight, then extends upwards via the suspension sheave 12, and is connected to a rope retaining portion 15 at a top portion of the counterweight guide rail 10.
  • the gap required between the car 7 and the wall of the hoistway need only be one corresponding to at least the thickness of the traction sheave 5, the cross-sectional area of the hoistway when viewed from the top can therefore be reduced.
  • the effect of this structure is related to the traction sheave 5 of the traction machine 4 being disposed so as to face the wall of the hoistway 1, while the traction machine 4 is disposed at a top portion of the hoist passage for the car 7.
  • the motor portion 6 of the traction machine 4 is disposed so as to face the car 7 side of the hoistway 1, the maintenance and inspection of the motor 6 and the brake device mounted in the vicinity of the motor portion 6 becomes easier.
  • this structure is advantageous when maintenance personnel perform maintenance and inspections when standing on top side of the car 7.
  • the traction machine 4 is not disposed between the car 7 and the wall of the hoistway, but, as shown in Fig. 2, is inherently disposed so as to partially overlap the car 7. Even when the size of the traction machine 4 needs to be increased as the size of the car 7 increases, there is no need to increase the size of the gap between the car 7 and the wall of the hoistway.
  • the gap between the hoist passage of the car 7 and the wall of the hoistway needs to be increased, and this requires in turn an increases in cross-sectional area of the hoistway, resulting in an increase in cross-sectional area of the overall elevator apparatus.
  • the cross-sectional area of the car 7 needs to be increased when the size of the car 7 increases.
  • the cross-sectional area of the overall elevator apparatus can be designed smaller than with the conventional example.
  • Fig. 4 shows an elevator apparatus according to a second embodiment of the present invention.
  • the machine base 16 for the traction machine 4 is constructed so as to be supported both on car guide rails 9 and counterweight guide rails 10. According to this embodiment, not only can the effectiveness provided by the first embodiment be provided but also the traction machine can be supported more securely, whereby a stable elevator apparatus can be provided.
  • Fig. 5 shows an elevator apparatus according to a third embodiment of the present invention.
  • Reference numeral 20 denotes fixing hardware, that fixes part of machine base 16 partially to the walls of the hoistway. This allows bending loads applied to the car guide rails 9 to be transformed into buckling loads, thereby making it possible to reduce the size of the guide rails 9.
  • the traction sheave 5 is disposed so that its rotating side becomes parallel to the wall surface of the hoistway which the rotating side confronts, but the traction sheave 5 may be disposed so that its rotating side becomes inclined relative to the wall surface of the hoistway.
  • the counterweight 8 and the traction machine 4 are disposed close to the same wall of the hoistway, but they may be disposed close to separate walls of the hoistway.
  • a gearless or geared traction machine may be adopted as the hoist machine 4 described in the above embodiments.
  • the traction machine 4 is described as including the traction sheave 5 and the motor portion 6, a brake device or the like provided in the vicinity of the motor portion 6 for braking the rotation of the traction sheave 5, may also be included in the traction machine 4.
  • an elevator apparatus having: a car adapted to ascend/descend within the hoistway of the elevator apparatus; car guide rails for guiding the ascent/descent of the car; a counterweight adapted to ascend/descend within the hoistway in a direction opposite that in which the car descends and/or ascends; counterweight guide rails for guiding the ascent/descent of the counterweight; and a traction machine disposed at the top portion within the hoistway, having the traction sheave around which the rope is wound and adapted to raise/lower the car and the counterweight via the rope by rotating the traction sheave, wherein the traction machine is disposed above the hoist passage for the car and the traction machine partially overlaps the car when viewed from the top thereof. Therefore, even when the size of the traction machine needs to be increased, there is no need to modify the size of the gap between the car 7 and the wall of the hoistway, thereby making it possible to reduce the space for the
  • the traction machine is disposed so that the traction sheave faces the wall of the hoistway, the traction sheave being located within a gap between the wall of the hoistway and the car. Therefore, the cross-sectional area of the hoistway can be reduced.
  • the traction machine includes the traction sheave and the motor portion for rotating the traction sheave, the motor portion being located so as to partially or totally overlap the car when viewed from the top thereof. Therefore, even when the size of the motor portion needs to be increased, there is no need to modify the size of the gap between the car 7 and the wall of the hoistway, thereby making it possible to reduce the space for the hoistway.
  • the elevator apparatus has the machine base that is fixed to the top portions of the car guide rails, and the traction machine is fixed onto the machine base. Therefore, the positional relationship between the traction sheave and the car can be maintained.
  • the elevator apparatus has the machine base to which the traction machine is fixed and the first supporting member disposed between the machine base and the traction machine for elastically supporting the vertical load of the traction machine. Therefore vertical vibrations can be prevented.
  • the elevator apparatus has the second supporting member disposed between the brace and the traction machine for elastically supporting a horizontal load of the traction machine. Therefore the horizontal vibrations can be prevented.
  • the elevator apparatus is a machine room-less type elevator apparatus in which a traction machine is disposed at a top portion of a hoistway and can be applied to an elevator apparatus in which the effective utilization of the cross-sectional space of the hoistway is required.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Types And Forms Of Lifts (AREA)
EP00929880A 2000-05-26 2000-05-26 Dispositif d'ascenseur Expired - Lifetime EP1302430B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/003408 WO2001089975A1 (fr) 2000-05-26 2000-05-26 Dispositif d'ascenseur

Publications (3)

Publication Number Publication Date
EP1302430A1 true EP1302430A1 (fr) 2003-04-16
EP1302430A4 EP1302430A4 (fr) 2006-05-17
EP1302430B1 EP1302430B1 (fr) 2009-04-08

Family

ID=11736077

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00929880A Expired - Lifetime EP1302430B1 (fr) 2000-05-26 2000-05-26 Dispositif d'ascenseur

Country Status (5)

Country Link
EP (1) EP1302430B1 (fr)
KR (1) KR100444936B1 (fr)
CN (1) CN1183025C (fr)
DE (1) DE60041991D1 (fr)
WO (1) WO2001089975A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005092771A2 (fr) * 2004-03-26 2005-10-06 Kone Corporation Ascenseur
US7383921B2 (en) 2002-10-28 2008-06-10 Toshiba Elevator Kabushiki Kaisha Elevator with a support for a hoisting machine

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10205170B4 (de) * 2002-02-07 2005-07-21 Wittur Ag Treibscheibenaufzug
KR20040024094A (ko) * 2002-09-13 2004-03-20 현대엘리베이터주식회사 엘리베이터 권상기의 설치 구조
WO2004080876A1 (fr) * 2003-03-12 2004-09-23 Mitsubishi Denki Kabushiki Kaisha Appareil d'ascenseur
JP4656107B2 (ja) * 2007-08-16 2011-03-23 株式会社日立製作所 エレベーター装置
WO2012172671A1 (fr) * 2011-06-16 2012-12-20 株式会社日立製作所 Elévateur
CN102951526A (zh) * 2011-08-25 2013-03-06 康力电梯股份有限公司 用于家用电梯的驱动系统
JP6238262B2 (ja) 2014-08-25 2017-11-29 三菱電機株式会社 エレベータ用巻上機設置装置
US9758347B2 (en) * 2014-12-02 2017-09-12 ThyssenKrupp Elevator AG; ThyssenKrupp AG Arrangement and method to move at least two elevator cars independently in at least one hoistway
CN105084171B (zh) * 2015-08-27 2018-02-09 苏州富士电梯有限公司 一种电梯
CN107539866A (zh) * 2016-06-29 2018-01-05 日立电梯（中国）有限公司 一种电梯驱动机的固定结构
WO2018016042A1 (fr) * 2016-07-21 2018-01-25 三菱電機株式会社 Procédé de modification d'ascenseur
CN108203044B (zh) * 2016-12-16 2019-10-18 上海三菱电梯有限公司 电梯系统
CN110546100B (zh) * 2017-04-26 2021-12-10 三菱电机株式会社 电梯装置
JP6714905B2 (ja) * 2018-01-15 2020-07-01 フジテック株式会社 エレベータ
CN108843592A (zh) * 2018-06-20 2018-11-20 温州市爱光机电设备有限公司 一种风机
CN109019271B (zh) * 2018-08-21 2021-02-02 日立电梯（中国）有限公司 一种电梯驱动主机的固定结构及固定方法
CN109795928A (zh) * 2019-03-13 2019-05-24 日立电梯（中国）有限公司 电梯轿厢、运行控制方法和电梯

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01267286A (ja) * 1988-04-20 1989-10-25 Hitachi Ltd ホームエレベータ
FI96198C (fi) * 1994-11-03 1996-05-27 Kone Oy Vetopyörähissi
JP4255525B2 (ja) * 1997-11-05 2009-04-15 東芝エレベータ株式会社 エレベーター
SG102530A1 (en) 1997-09-26 2004-03-26 Toshiba Kk Elevator

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *
See also references of WO0189975A1 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7383921B2 (en) 2002-10-28 2008-06-10 Toshiba Elevator Kabushiki Kaisha Elevator with a support for a hoisting machine
AU2003301535B2 (en) * 2002-10-28 2008-08-21 Toshiba Elevator Kabushiki Kaisha Elevator device
WO2005092771A2 (fr) * 2004-03-26 2005-10-06 Kone Corporation Ascenseur
WO2005092771A3 (fr) * 2004-03-26 2006-04-06 Kone Corp Ascenseur

Also Published As

Publication number Publication date
EP1302430B1 (fr) 2009-04-08
KR100444936B1 (ko) 2004-08-18
EP1302430A4 (fr) 2006-05-17
DE60041991D1 (de) 2009-05-20
WO2001089975A1 (fr) 2001-11-29
CN1382097A (zh) 2002-11-27
CN1183025C (zh) 2005-01-05
KR20020021160A (ko) 2002-03-18

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