WO2003037773A1 - Dispositif elevateur - Google Patents

Dispositif elevateur Download PDF

Info

Publication number
WO2003037773A1
WO2003037773A1 PCT/JP2001/009515 JP0109515W WO03037773A1 WO 2003037773 A1 WO2003037773 A1 WO 2003037773A1 JP 0109515 W JP0109515 W JP 0109515W WO 03037773 A1 WO03037773 A1 WO 03037773A1
Authority
WO
WIPO (PCT)
Prior art keywords
car
vibration
friction
elevator
frictional force
Prior art date
Application number
PCT/JP2001/009515
Other languages
English (en)
Japanese (ja)
Inventor
Kiyoshi Funai
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
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 Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to EP01978950A priority Critical patent/EP1460021A4/fr
Priority to JP2003533382A priority patent/JPWO2003037773A1/ja
Priority to PCT/JP2001/009515 priority patent/WO2003037773A1/fr
Priority to KR10-2003-7008630A priority patent/KR20040019269A/ko
Priority to CNA018212301A priority patent/CN1482994A/zh
Publication of WO2003037773A1 publication Critical patent/WO2003037773A1/fr

Links

Classifications

    • 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
    • B66B7/04—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes
    • 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
    • B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
    • B66B11/028—Active systems

Definitions

  • the present invention relates to an elevator apparatus in which a car is guided by guide rails and moves up and down in a hoistway.
  • the car is raised and lowered by a guide rail installed in the hoistway during the elevator. That is, a guide device (a mouth guide device or a slide guide device) that engages with the guide rail is provided on each of the upper and lower sides of the car.
  • a guide device a mouth guide device or a slide guide device
  • a rope-type elevator device with a long up-and-down stroke or a 2: 1 roving-type elevator device has a long mouth-to-mouth length, so that the supporting rigidity of the car is low and vibration is likely to occur.
  • the relative elastic modulus is lower than that of the current ropes, so it is expected that the car will be more likely to shake.
  • FIG. 5 is an explanatory diagram showing the vibration of the car when the car stops in the conventional rope-type elevator system.
  • we analyze the vibration displacement of the car floor assuming a load change when one passenger (75 kg) enters a car with a car mass of about 2 ⁇ 00 kg and a car capacity of 12 people. The results obtained in the following are shown.
  • Japanese Patent Application Laid-Open No. 2001-1066456 discloses that when a car is stopped, a friction shoe having a high friction coefficient is pressed against a guide rail by an electromagnetic coil to fix the car to the guide rail. A hydraulic elevator is shown. However, if the car is completely fixed to the rails when the car stops, the position of the car does not change in response to load fluctuations caused by passengers getting on and off, and the change in the car position causes a negative load fluctuation during the car stop. Cannot be detected.
  • the present invention has been made to solve the above-described problems, and an elevator capable of reducing a vibration of a car accompanying a passenger getting on and off when the car is stopped while suppressing cost increase and size increase.
  • the purpose is to obtain an overnight device.
  • the elevator apparatus includes a hoistway and a car that is moved up and down the hoistway.
  • the car is engaged with a fixed portion in the hoistway when the car stops.
  • a vibration reduction device for damping the vibration of the car is mounted.
  • FIG. 1 is a schematic configuration diagram showing an elevator apparatus according to an embodiment of the present invention
  • FIG. 2 is an enlarged view showing a main part of FIG.
  • FIG. 3 is a plan view showing the vibration damping device of FIG. 1,
  • FIG. 4 is an explanatory view showing the vibration of the car when the car stops in the rope type elevator system to which the vibration reduction device according to the first embodiment is applied,
  • FIG. 5 is an explanatory diagram showing the vibration of the car when the car stops in the conventional rope-type elevator system.
  • FIG. 1 is a schematic configuration diagram showing an elevator apparatus according to an example of an embodiment of the present invention.
  • a machine room 2 is provided above a hoistway 1.
  • a hoist 3 having a drive sheave 3a is installed via a plurality of hoist vibration isolating rubber members 4.
  • a rope (main rope) 5 is wound around the drive sheave 3a.
  • the rope 5 can be regarded as a spring having a spring constant determined by its material. In particular, when the up-and-down stroke is long and the rope length is long, the spring constant of the rope 5 becomes small.
  • a cage 6 is suspended from one end of the rope 5.
  • a counterweight 7 is suspended from the other end of the rope 5.
  • a pair of guide rails 8 is installed as a fixed part for guiding the car 6 up and down.
  • the car 6 includes a car frame 9, a car room 10 supported by the car frame 9, a plurality of underfloor anti-vibration rubber members 11 interposed between the car frame 9 and the car room 10, and a car.
  • the frame 9 has a plurality of roller guide devices (or slide guide devices) 12 that engage with the guide rails 8.
  • the car frame 9 is connected to the mouthpiece 5 via a shirt loop spring device 13.
  • FIG. 2 is an enlarged view showing a main part of FIG.
  • the vibration damping device 14 is mounted on an upper part of the car frame 9 via a mounting member 15.
  • the vibration damping device 14 is arranged above the roller guide device 12 so as not to interfere with the guide rollers of the roller guide device 12.
  • FIG. 3 is a plan view showing the vibration reduction device 14 of FIG.
  • the vibration reducing device 14 has an opening / closing mechanism 16, a pair of friction screws 17, an electromagnetic actuator 18 and a return spring 19.
  • the friction shoe 17 is mounted on the opening / closing mechanism 16 so as to face the guide rail 8. Further, the friction shoe 17 is pressed against the guide rail 8 via the opening / closing mechanism 16 by the electromagnetic force of the electromagnetic actuator 18. When the electromagnetic actuator 18 is driven, the guide rail 8 is sandwiched by a pair of friction shoes 17. When the friction shoe 17 is pressed against the guide rail 8, the vibration of the car 6 is attenuated by the frictional force.
  • the opening / closing mechanism 16 is constantly urged by a return spring 19 in a direction in which the friction shoe 17 is separated from the guide rail 8. Therefore, when the electromagnetic actuator 18 is not driven, the friction switch 17 is separated from the guide rail 8.
  • the electromagnetic actuating device 18 is connected to a vibration reduction control device 20 that drives the electromagnetic actuating device 18 and activates the vibration reducing device 14 when the car 6 is stopped and the door is open. I have.
  • the friction shoe 17 is made of, for example, a polymer material such as polyurethane or polyethylene.
  • the car 6 When the car 6 stops on the floor and the passengers get on and off with the doors open, the position of the car 6 moves up and down due to the load fluctuation, and the car 6 vibrates. At this time, the car 6 has a spring constant of the entire spring element supporting the car 6 (a spring obtained by synthesizing the spring constants of the hoisting machine vibration isolating rubber member 4, the underfloor rubber isolating rubber member 11, the shirtle spring 13 and the rope 5). Displaced based on the constant).
  • the electromagnetic reduction controller 18 drives the electromagnetic actuator 18 by the vibration reduction controller 20. Is done.
  • the friction shoe 17 is pressed against the guide rail 8 against the return spring 19, and a friction force is generated in the sliding direction of the friction shoe 17 (the vibration direction of the car 6).
  • the vibration of the car 6 is attenuated by the frictional force of the friction sleeve 17.
  • the magnitude of the friction force of the friction show 17 is approximately equal to the product of the pressing force P and the coefficient of friction between the friction show 17 and the guide rail 8. Therefore, by appropriately setting the pressing force P, the vibration level of the car 6 can be rapidly attenuated.
  • the magnetic actuator 18 is deenergized, so that the friction spring 17 is separated from the sliding surface of the guide rail 8 by the return spring 19.
  • FIG. 4 is an explanatory diagram showing the vibration of the car when the car stops in the rope-type elevator apparatus to which the vibration reduction device 14 according to the first embodiment is applied.
  • the vibration displacement of the car floor is calculated. The results obtained analytically are shown.
  • a vibration reduction device 14 capable of generating a friction force in the sliding direction of 15 ON is used.
  • a vibration of both amplitudes of about 10 mm is generated on the car floor by a passenger of 75 kg getting in at 1.0 seconds. It can be seen that this vibration is attenuated by the frictional force generated by the vibration reduction device 14, and is eliminated in less than 2 seconds.
  • the vibration of the car 6 can be sufficiently reduced by the friction force of 15 ON.
  • the optimal value of the frictional force for reducing the vibration varies depending on the rope spring constant determined by the number and thickness of the ropes 5 and the weight of the car 6.
  • the total frictional force generated by the vibration reduction device 14 should be less than 600 N (approximately 60 kgf) corresponding to the weight of one passenger. If so, the load fluctuation can be detected by the weighing device, and the vibration of the car 6 at the time of departure can be avoided.
  • the frictional force is set in consideration of obtaining a sufficient damping force.
  • a step may occur between the car threshold and the floor.
  • the car 6 since the car 6 is not fixed to the guide rail 8, the car 6 can be moved by the hoisting machine 3 in a direction to eliminate the step as in the case of a normal elevator system (relevel operation). .
  • the vibration reduction device 14 the vibration of the car 6 due to the load fluctuation at the time of stoppage can be suppressed, and the passengers can be prevented from feeling uncomfortable. Also, compared to the method of completely fixing the car 6, the vibration can be reduced with a small pressing force, so that the electromagnetic actuator 18 can be downsized. Further, since a change in the load of the car 6 can be detected and an appropriate torque can be given to the hoisting machine 3, vibration at the time of departure of the car 6 can also be prevented.
  • the vibration reducing device 14 is engaged with the guide rail 8 which is a fixing portion.
  • a dedicated friction member to which the friction shoe is brought in and out may be fixed in the hoistway.
  • a material suitable for vibration reduction can be freely selected, and vibration can be reduced more efficiently.
  • the friction member is used only when the car is stopped, it is not necessary to provide the friction member continuously throughout the hoistway, but can be provided intermittently only at the corresponding location.
  • the vibration reducing device 14 is disposed above the car 6, but the mounting position is not limited, and for example, it may be provided below the car 6.
  • the vibration reduction devices 14 are provided on both sides of the car 6, but may be provided on only one side.
  • the vibration reducing device 14 having the structure in which the guide rail 8 is sandwiched by the pair of friction shoes 17 has been described, but a device in which one friction shoe is pressed may be used. Good.
  • the vibration reducing device 14 for bringing the friction shoe 14 into frictional contact with the guide rail 8 is shown, but the vibration reducing device is not limited to this.
  • a roller to which an appropriate resistance force has been applied to the rotation may be brought into contact with the guide rail 8 and rolled when the car stops.
  • the electromagnetic actuating unit 18 was used as the actuating unit for bringing the friction housing 14 into and out of contact with the guide rail 8. You may. .
  • the 1: 1 single-buffing type elevator apparatus is shown, but the present invention is also applicable to other roving type apparatus such as a 2: 1 roving method. it can.
  • the elevator device using the electric hoist 3 was shown, but the present invention is also applicable to a direct or indirect (rope type) hydraulic elevator. Can be done.

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)

Abstract

L'invention concerne un dispositif élévateur comprenant un dispositif de réduction de vibration doté de patins de frottement pressés contre des rails de guidage constituant des parties fixes, et des actionneurs électromagnétiques permettant de rapprocher ou d'éloigner lesdits patins de frottement et montés sur une voiture, lesdits actionneurs étant montés sur une voiture afin d'atténuer ses vibrations par coopération des patins avec les parties fixes disposées à l'intérieur d'une gaine lorsque la voiture est arrêtée.
PCT/JP2001/009515 2001-10-30 2001-10-30 Dispositif elevateur WO2003037773A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP01978950A EP1460021A4 (fr) 2001-10-30 2001-10-30 Dispositif elevateur
JP2003533382A JPWO2003037773A1 (ja) 2001-10-30 2001-10-30 エレベータ装置
PCT/JP2001/009515 WO2003037773A1 (fr) 2001-10-30 2001-10-30 Dispositif elevateur
KR10-2003-7008630A KR20040019269A (ko) 2001-10-30 2001-10-30 엘리베이터 장치
CNA018212301A CN1482994A (zh) 2001-10-30 2001-10-30 电梯装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2001/009515 WO2003037773A1 (fr) 2001-10-30 2001-10-30 Dispositif elevateur

Publications (1)

Publication Number Publication Date
WO2003037773A1 true WO2003037773A1 (fr) 2003-05-08

Family

ID=11737885

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/009515 WO2003037773A1 (fr) 2001-10-30 2001-10-30 Dispositif elevateur

Country Status (5)

Country Link
EP (1) EP1460021A4 (fr)
JP (1) JPWO2003037773A1 (fr)
KR (1) KR20040019269A (fr)
CN (1) CN1482994A (fr)
WO (1) WO2003037773A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006206217A (ja) * 2005-01-26 2006-08-10 Mitsubishi Electric Corp レール把持機構ならびにそれを用いたエレベータの安全装置
JP2007532448A (ja) * 2004-04-16 2007-11-15 ティッセン エレベーター キャピタル コーポレーション エレベータの高さ調整動作を改善する方法および装置
JP2009046211A (ja) * 2007-08-14 2009-03-05 Yokohama Elevator Kk テレスコフレーム方式の中層用エレベータ
JP2012218897A (ja) * 2011-04-11 2012-11-12 Toshiba Elevator Co Ltd エレベータ
JP2014162575A (ja) * 2013-02-22 2014-09-08 Fujitec Co Ltd 共振軽減装置、及び共振軽減方法
CN104176583A (zh) * 2014-08-18 2014-12-03 李洪彦 一种垂直升降电梯的安全装置
US10501287B2 (en) 2014-12-17 2019-12-10 Inventio Ag Damper unit for an elevator
US11130655B2 (en) 2018-01-10 2021-09-28 Otis Elevator Company Elevator car dynamic sag damping system

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG126045A1 (en) * 2005-03-24 2006-10-30 Inventio Ag Elevator with vertical vibration compensation
CN100460303C (zh) * 2006-09-20 2009-02-11 宁波申菱电梯配件有限公司 电梯开门机
TWI394705B (zh) * 2007-02-02 2013-05-01 Inventio Ag 升降機及監視此升降機之方法
US9321610B2 (en) * 2010-12-22 2016-04-26 Otis Elevator Company Frictional damper for reducing elevator car movement
JP2013086933A (ja) * 2011-10-19 2013-05-13 Hitachi Ltd エレベーター装置
EP3083475B1 (fr) * 2013-12-19 2018-01-03 Inventio AG Frein à sabot pour systèmes d'ascenseur
CN104724575A (zh) * 2013-12-23 2015-06-24 三菱电机上海机电电梯有限公司 具有停层减振功能的滚动导靴
JP6416037B2 (ja) * 2015-04-20 2018-10-31 株式会社日立製作所 エレベーター
CN105565122B (zh) * 2016-03-18 2018-03-23 杭州临安众方机电有限公司 电梯轿厢的稳定机构
KR101887142B1 (ko) * 2017-10-23 2018-08-09 주식회사 송산특수엘리베이터 초대형 고하중용 엘리베이터의 안전장치
KR102007089B1 (ko) * 2017-10-31 2019-08-02 현대엘리베이터주식회사 엘리베이터의 저층부 탑승 시 종진동 저감장치
US11834300B2 (en) * 2021-08-10 2023-12-05 Tk Elevator Innovation And Operations Gmbh Stabilizing assemblies and methods of use thereof
CN114751277A (zh) * 2022-04-19 2022-07-15 日立电梯（中国）有限公司 一种电梯平衡救援系统及电梯

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0318577A (ja) * 1989-06-13 1991-01-28 Mitsubishi Electric Corp エレベータ装置
JPH0769558A (ja) * 1993-09-07 1995-03-14 Toshiba Corp 油圧エレベータ
JPH0925065A (ja) * 1995-07-12 1997-01-28 Hitachi Ltd エレベータ乗りかごの停止装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001019292A (ja) * 1999-06-25 2001-01-23 Inventio Ag 鉛直搬送装置の荷重支持手段の鉛直方向変位と鉛直方向振動とを防止する装置および方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0318577A (ja) * 1989-06-13 1991-01-28 Mitsubishi Electric Corp エレベータ装置
JPH0769558A (ja) * 1993-09-07 1995-03-14 Toshiba Corp 油圧エレベータ
JPH0925065A (ja) * 1995-07-12 1997-01-28 Hitachi Ltd エレベータ乗りかごの停止装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1460021A4 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007532448A (ja) * 2004-04-16 2007-11-15 ティッセン エレベーター キャピタル コーポレーション エレベータの高さ調整動作を改善する方法および装置
JP2006206217A (ja) * 2005-01-26 2006-08-10 Mitsubishi Electric Corp レール把持機構ならびにそれを用いたエレベータの安全装置
JP4520319B2 (ja) * 2005-01-26 2010-08-04 三菱電機株式会社 レール把持機構ならびにそれを用いたエレベータの安全装置
JP2009046211A (ja) * 2007-08-14 2009-03-05 Yokohama Elevator Kk テレスコフレーム方式の中層用エレベータ
JP2012218897A (ja) * 2011-04-11 2012-11-12 Toshiba Elevator Co Ltd エレベータ
JP2014162575A (ja) * 2013-02-22 2014-09-08 Fujitec Co Ltd 共振軽減装置、及び共振軽減方法
CN104176583A (zh) * 2014-08-18 2014-12-03 李洪彦 一种垂直升降电梯的安全装置
US10501287B2 (en) 2014-12-17 2019-12-10 Inventio Ag Damper unit for an elevator
US11130655B2 (en) 2018-01-10 2021-09-28 Otis Elevator Company Elevator car dynamic sag damping system

Also Published As

Publication number Publication date
EP1460021A4 (fr) 2008-11-12
EP1460021A1 (fr) 2004-09-22
CN1482994A (zh) 2004-03-17
KR20040019269A (ko) 2004-03-05
JPWO2003037773A1 (ja) 2005-02-17

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