WO2004076325A1 - Equipement de dispositif elevateur - Google Patents

Equipement de dispositif elevateur Download PDF

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Publication number
WO2004076325A1
WO2004076325A1 PCT/JP2003/002242 JP0302242W WO2004076325A1 WO 2004076325 A1 WO2004076325 A1 WO 2004076325A1 JP 0302242 W JP0302242 W JP 0302242W WO 2004076325 A1 WO2004076325 A1 WO 2004076325A1
Authority
WO
WIPO (PCT)
Prior art keywords
counterweight
drive
hoistway
car
rope
Prior art date
Application number
PCT/JP2003/002242
Other languages
English (en)
Japanese (ja)
Inventor
Atsushi Mitsui
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 PCT/JP2003/002242 priority Critical patent/WO2004076325A1/fr
Priority to KR1020047016077A priority patent/KR100645666B1/ko
Priority to EP03816061.0A priority patent/EP1598299B1/fr
Priority to CNB038092379A priority patent/CN100372753C/zh
Priority to JP2004566467A priority patent/JP4312721B2/ja
Publication of WO2004076325A1 publication Critical patent/WO2004076325A1/fr

Links

Classifications

    • 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
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B66B5/185—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on main ropes or main cables
    • 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

Definitions

  • the present invention provides an elevator in which a car is suspended in a hoistway by a main rope wound around a drive sheave, and the car is raised and lowered by a traction force between the drive sheave and the main rope. It concerns the device. Background art
  • Japanese Patent Application Laid-Open No. 2000-262482 discloses an elevator apparatus in which a resin is coated on an outer periphery of a main rope.
  • a resin is coated on an outer periphery of a main rope.
  • the frictional force between the drive sheave and the main rope can be increased to improve the traction capacity.
  • the reduction in the traction force is small and the car may not stop smoothly.
  • the present invention has been made to solve the above-described problems. Usually, a sufficient traction capacity can be secured, and furthermore, a counterweight or a normal weight It is an object of the present invention to obtain an elevator device capable of appropriately reducing the traction force when moving downward.
  • An elevator apparatus includes: a driving device having a driving sheave and a driving device main body for rotating the driving sheave; a main rope wound around the driving sheave; The car is suspended in the hoistway by the main rope, and is lifted and lowered in the hoistway by the driving force of the driving device, and the car is suspended in the hoistway by the main rope on the other side with respect to the drive sheave. Equipped with a counterweight that can be raised and lowered in the hoistway by the driving force.On the counterweight side of the drive sheave, by gripping the main rope when the counterweight moves down below the normal lifting stroke A rope brake device is provided to prevent the car from being raised by the driving device.
  • an elevator apparatus includes a driving device having a driving sheave and a driving device main body for rotating the driving sheave, a main cable wound around the driving sheave, and a vertical movement by the main cable.
  • a car and a counterweight are suspended in the road and raised and lowered in the hoistway by the driving force of the driving device.
  • the main rope is used when the car and the counterweight are moved up and down the normal ascent and descent path.
  • the second portion is covered with a high-friction resin material, and a friction coefficient of an outer periphery of the second portion is smaller than a friction coefficient of the high-friction resin material.
  • an elevator apparatus is a drive device having a drive sheave and a drive device main body for rotating the drive sheave, a main cable wound around the drive sheave, and a drive sheave.
  • the car is suspended in the hoistway by the main rope on the side, and is lifted and lowered in the hoistway by the driving force of the driving device, and the car is suspended in the hoistway by the main rope on the other side with respect to the drive sheep.
  • a counterweight that can be raised and lowered in the hoistway by the driving force of the drive sheave, and the car side of the drive sheave grasps the main rope when the car moves below the normal hoisting stroke.
  • a rope brake device is provided to prevent the balance weight from being raised by the drive device.
  • FIG. 1 is a configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention
  • FIG. 2 is an enlarged cross-sectional view showing a contact portion of the drive sheave of FIG. 1 with a main cable, and a main cable.
  • FIG. 3 is a side view showing a drive sheave, a deflecting car, and a main rope of the elevator apparatus according to Embodiment 2 of the present invention
  • FIG. 4 is a plan view showing the drive sheave, the deflector and the main rope of FIG. 3,
  • FIG. 5 is a configuration diagram showing an elevator apparatus according to Embodiment 3 of the present invention.
  • FIG. 1 is a configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention.
  • a machine room 2 is disposed above a hoistway 1.
  • a machine table 3 is installed in the machine room 2.
  • the drive unit 4 is mounted on the machine base 3.
  • the driving device 4 includes a driving ship 5 and a driving device main body 6 for rotating the driving sheave 5.
  • a rotatable deflector 7 is mounted on the machine base 3 at a distance from the drive sheave 5.
  • a plurality of (only one is shown in FIG. 1) main ropes 8 are wound around the drive sheave 5 and the deflector 7 in a half-wrapped manner. That is, the winding angle of the main rope 8 around the drive sheep 5 and the deflector wheel ⁇ ⁇ ⁇ ⁇ is less than 180 °, respectively.
  • the car 9 is suspended by a main rope 8 on one side of the drive sheave 5.
  • One end of the main cable 8 is connected to the upper beam 9 a of the car 9 via the car-side cleat device 10.
  • the counterweight 11 is suspended from the drive sheave 5 on the other side by a main rope 8.
  • the other end of the main rope 8 is connected to the counterweight 11 via a counterweight side cleat device 12.
  • the car 9 and the counterweight 11 are moved up and down in the hoistway 1 by the driving force of the driving device 4.
  • a car cage buffer 13 and a counterweight buffer 14 are provided.
  • the counterweight buffer 14 has a detection switch 15 for detecting the buffering operation of the counterweight buffer 14. Is provided.
  • a smoke detector 16 as a fire detector for detecting smoke is installed on the ceiling of the hoistway 1.
  • the machine base 3 is provided with a rope brake device 17 that holds the main cable 8 to prevent the drive device 5 from moving the car 9 up and down.
  • the rope brake device 17 grips the main rope 8 on the counterweight 11 side of the drive sheave 5.
  • the mouth brake device 17 is controlled by the control device 18.
  • the operation detection signal from the detection switch 15 and the fire detection signal from the smoke detector 16 are input to the control device 18. That is, when the operation detection signal from the detection switch 15 is input to the control device 18 and the fire detection signal from the smoke detector 16 is input to the control device 18, the rope brake device 17 First, the main rope 8 is gripped and braked.
  • control device 18 performs the braking operation of the rope brake device 17 after performing the fire control operation.
  • FIG. 2 is an enlarged cross-sectional view showing a portion of the drive sheave 5 in contact with the main cable 8 and the main cable 8 in FIG.
  • the drive sheave 5 is provided with a plurality of opening grooves 5a into which the main ropes 8 are inserted.
  • the cross-sectional shape of the bottom of the rope groove 5a is arc-shaped (semicircular). That is, no undercut groove is provided at the bottom of the mouth groove 5a.
  • Each of the main ropes 8 includes a core rope 21, a resin core rope covering 22 coated on the outer periphery of the core rope 21, and an outer layer 23 disposed on the outer periphery of the core rope covering 22. And a resin outer layer covering 24 coated on the outer periphery of the outer layer 23.
  • the core rope 21 has a plurality of core strands 25 twisted with each other.
  • Each core strand 25 has a plurality of steel core strands 26 twisted with each other.
  • the outer layer 23 has a plurality of outer strands 27 twisted around the outer periphery of the core rope covering 22.
  • Each outer strand 27 has a plurality of steel outer strands 28 twisted with each other.
  • the core rope covering 22 is made of, for example, a polyethylene resin.
  • the outer layer covering 24 is made of a high friction resin forest having a friction coefficient of 0.2 or more, for example, a polyurethane resin.
  • the main rope 8 is half-hung. Even if it is wound around the drive sheave 5 and the deflecting wheel 7 and the cross-sectional shape of the bottom of the rope groove 5a is arc-shaped, sufficient traction capability can be ensured. Further, since there is no need to provide an undercut groove at the bottom of the rope groove 5a, it is possible to prevent the outer cover 24 from being damaged by the undercut groove.
  • the drive device 4 can be downsized.
  • the truncation ability is calculated by the following equation.
  • the friction coefficient required to secure the same traction capability with the elevator apparatus according to the first embodiment is obtained by the following equation.
  • the outer coating 2
  • the friction coefficient between the drive sheave 4 and the drive sheave 5 is 0.25 or more, the traction capability can be more reliably secured.
  • the operation detection signal from the detection switch 15 When it is input to 8, the main weight 8 of the counterweight 1 1 is gripped and braked by the counterweight 1 1 by the rope brake device 17, so that the weight of the main rope 8 of the counterweight 1 1 is applied to the rope brake device 17. Supported by Also, since the counterweight 11 is supported by the counterweight buffer 14, the load on the counterweight 11 side is reduced, and the traction force at the drive sheave 5 is appropriately reduced. Can be. Therefore, when the counterweight 11 collides with the counterweight shock absorber 14, the drive sheave 5 can idle and the car 9 can be stopped smoothly.
  • Such a system can also be applied to an elevator system using steel ropes without an outer layer covering, and is particularly effective for a high-elevator system with a high main line weight.
  • the main ropes 8 are gripped and braked by the rope brake device 17, and the outer layer is covered by the heat of the fire. Even if the body 24 is melted and the traction force is reduced, the car 9 can be prevented from moving due to the main rope 8 slipping with respect to the drive sheave 5.
  • control device 18 when a fire detection signal is input, the control device 18 performs a fire control operation and then performs a braking operation of the rope brake device 17 so that passengers in the car 9 can be evacuated smoothly in the event of a fire. Can be.
  • the fire detector is not limited to the smoke detector 16, but may be another type such as a heat detector.
  • the fire detector may be arranged in the hoistway 1 exclusively for the elevator device, or may be arranged in the building side, for example, at a landing.
  • Embodiment 2
  • FIG. 3 is a side view showing a drive sheave, a deflecting vehicle, and a main rope of the elevator apparatus according to Embodiment 2 of the present invention
  • FIG. It is a top view which shows and.
  • FIGS. 3 and 4 show the relationship between the drive sheave and the deflector and the main rope when the counterweight reaches the counterweight shock absorber.
  • the outer periphery of the main rope 31 is covered with an outer layer covering 32 made of resin.
  • the outer covering 3 2 has a cage 9 and a counterweight 11 (see FIG. 1) which are normally moved up and down.
  • High friction coating part 3 3 located at the part passing through the drive sheep 5 when the ascending and descending is in contact with the drive sheave 5 when the counterweight 11 moves below the normal ascending and descending strokes
  • a low-friction coating portion 34 located at a portion to be covered.
  • the main rope 31 has a first part which passes through the drive sheave 5 when the car 9 and the counterweight 11 are being raised and lowered on the normal up-and-down stroke, and the counterweight 11 is normally And a second portion that comes into contact with the drive sheave 5 when the drive sheave 5 moves below the ascending / descending stroke.
  • the outer periphery of the first portion is covered with the high friction covering portion 33, and the outer periphery of the second portion is covered with the low friction covering portion 34.
  • the high friction coating portion 33 is made of, for example, a high friction resin material such as polyurethane. As described above, if the friction coefficient between the high friction coating portion 33 and the drive sheave 5 is set to 0.2 or more, almost sufficient traction capability can be secured. Further, if the coefficient of friction between the high friction coating portion 33 and the drive sheave 5 is 0.25 or more, the traction capability can be more reliably ensured.
  • the low friction coating portion 34 is made of a resin material having a small friction coefficient, such as polyethylene, nylon, silicon, polypropylene, or polyvinyl chloride, etc. ing. Further, the high-friction coating portion 33 and the low-friction coating portion 34 are colored differently from each other. Other configurations are the same as those of the first embodiment.
  • the low-friction covering part 34 is driven. It comes into contact with the sheave 5, and the frictional force between the driving sheave 5 and the main rope 31 is reduced as compared with usual.
  • the provision of the low-friction coating portion 34 on the outer layer coating body 34 allows the first embodiment to be improved. It is also possible to omit the detection switch 15 in.
  • the orientation of the main cable 31 can be easily determined at the time of installation or replacement of the main cable 31. At the same time, it is possible to easily confirm whether or not the low-friction coating portion 34 is in contact with the drive sheave 5 when the counterweight 11 moves below the normal ascent / descent stroke.
  • the outer periphery of the second portion of the main rope 31 is covered with the low-friction coating portion 34, but the friction coefficient of the outer periphery of the second portion is calculated from the friction coefficient of the high-friction coating portion.
  • the strands may be exposed without the resin being used to cover the outer periphery of the second portion.
  • FIG. 5 is a configuration diagram showing an elevator apparatus according to Embodiment 3 of the present invention.
  • the machine base 3 is provided with a rope brake device 19 that holds the main rope 8 to prevent the counterweight 11 from moving up and down by the driving device 5.
  • the rope brake device 19 grips the main rope 8 on the car 9 side of the drive ship 5.
  • the car buffer 13 is provided with a detection switch 20 for detecting the buffer operation of the car buffer 13.
  • the rope brake device 19 is controlled by the control device 18.
  • the operation detection signal from the detection switch 20 is input to the control device 18. That is, when the operation detection signal from the detection switch 15 is input to the controller 18, the rope brake device 1 grips and brakes the main rope 8.
  • Other configurations and operations are the same as those of the first embodiment.
  • Weight 1 1 1 can be stopped smoothly. As a result, it is possible to prevent the counterweight 11 from colliding with the ceiling of the hoistway 1 and prevent damage to the equipment.
  • the rope brake devices 17 and 19 are used in combination.
  • the mouth brake device 19 may be used, and the car 9 may be prevented from being pushed up by another type of brake device.
  • the cross-sectional structure of the main rope inside the outer layer covering is not limited to the structure shown in FIG. 2, and various changes can be made in the number of layers, the arrangement of strands, and the like. It is.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

L'invention concerne un équipement de dispositif élévateur dans lequel une corde principale est enroulée autour de la poulie motrice d'un dispositif d'entraînement, une cabine et un contrepoids sont suspendus à l'aide de la corde principale, et un dispositif de freinage de corde, stoppant la montée de la cabine à l'aide du dispositif d'entraînement par retenue de la corde principale lorsque le contrepoids est déplacé vers le bas au-delà de la limite inférieure d'une course de levage normale, est installé sur le côté du contrepoids de la poulie motrice.
PCT/JP2003/002242 2003-02-27 2003-02-27 Equipement de dispositif elevateur WO2004076325A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/JP2003/002242 WO2004076325A1 (fr) 2003-02-27 2003-02-27 Equipement de dispositif elevateur
KR1020047016077A KR100645666B1 (ko) 2003-02-27 2003-02-27 엘리베이터 장치
EP03816061.0A EP1598299B1 (fr) 2003-02-27 2003-02-27 Equipement de dispositif elevateur
CNB038092379A CN100372753C (zh) 2003-02-27 2003-02-27 电梯装置
JP2004566467A JP4312721B2 (ja) 2003-02-27 2003-02-27 エレベータ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2003/002242 WO2004076325A1 (fr) 2003-02-27 2003-02-27 Equipement de dispositif elevateur

Publications (1)

Publication Number Publication Date
WO2004076325A1 true WO2004076325A1 (fr) 2004-09-10

Family

ID=32923100

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/002242 WO2004076325A1 (fr) 2003-02-27 2003-02-27 Equipement de dispositif elevateur

Country Status (5)

Country Link
EP (1) EP1598299B1 (fr)
JP (1) JP4312721B2 (fr)
KR (1) KR100645666B1 (fr)
CN (1) CN100372753C (fr)
WO (1) WO2004076325A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007008611A (ja) * 2005-06-28 2007-01-18 Mitsubishi Electric Corp エレベータ装置及びエレベータの検査方法
JP2017149525A (ja) * 2016-02-24 2017-08-31 株式会社日立ビルシステム エレベーターのロープブレーキ点検方法
CN108498962A (zh) * 2018-03-28 2018-09-07 董云涛 一种高层建筑消防救援设备
WO2019175398A1 (fr) * 2018-03-16 2019-09-19 Inventio Ag Agencement d'ascenseur autorisant des procédés pour déterminer et contrôler un contrepoids minimum à une certaine distance d'un amortisseur
US20210139277A1 (en) * 2019-11-08 2021-05-13 Kone Corporation Elevator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6226369U (fr) * 1985-07-31 1987-02-18
JPH08259140A (ja) * 1995-03-22 1996-10-08 Mitsubishi Electric Corp エレベーターの安全装置
JP2001139267A (ja) * 1999-10-29 2001-05-22 Inventio Ag 合成繊維ロープを駆動するためのロープ駆動要素
JP2001262482A (ja) * 2000-03-15 2001-09-26 Hitachi Ltd ワイヤロープとそれを用いたエレベータ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD212242A1 (de) * 1982-12-09 1984-08-08 Hartmut Mauer Seilklemmeinrichtung fuer mehrere tragseile
US5228540A (en) * 1992-07-24 1993-07-20 Hollister-Whitney Elevator Corp. Elevator car brake with shoes actuated by springs
WO2000078660A1 (fr) * 1999-06-19 2000-12-28 Kisan Information System Corp. Dispositif de freinage de secours a corde pour systemes elevateurs
KR200221450Y1 (ko) * 2000-10-21 2001-04-16 편준기 엘리베이터용 로프 제동장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6226369U (fr) * 1985-07-31 1987-02-18
JPH08259140A (ja) * 1995-03-22 1996-10-08 Mitsubishi Electric Corp エレベーターの安全装置
JP2001139267A (ja) * 1999-10-29 2001-05-22 Inventio Ag 合成繊維ロープを駆動するためのロープ駆動要素
JP2001262482A (ja) * 2000-03-15 2001-09-26 Hitachi Ltd ワイヤロープとそれを用いたエレベータ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1598299A4 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007008611A (ja) * 2005-06-28 2007-01-18 Mitsubishi Electric Corp エレベータ装置及びエレベータの検査方法
JP2017149525A (ja) * 2016-02-24 2017-08-31 株式会社日立ビルシステム エレベーターのロープブレーキ点検方法
WO2019175398A1 (fr) * 2018-03-16 2019-09-19 Inventio Ag Agencement d'ascenseur autorisant des procédés pour déterminer et contrôler un contrepoids minimum à une certaine distance d'un amortisseur
CN108498962A (zh) * 2018-03-28 2018-09-07 董云涛 一种高层建筑消防救援设备
US20210139277A1 (en) * 2019-11-08 2021-05-13 Kone Corporation Elevator
US11897728B2 (en) * 2019-11-08 2024-02-13 Kone Corporation Elevator having free fall protection system

Also Published As

Publication number Publication date
EP1598299A1 (fr) 2005-11-23
KR100645666B1 (ko) 2006-11-14
EP1598299B1 (fr) 2015-12-02
CN100372753C (zh) 2008-03-05
JPWO2004076325A1 (ja) 2006-06-01
JP4312721B2 (ja) 2009-08-12
KR20040104565A (ko) 2004-12-10
EP1598299A4 (fr) 2009-09-02
CN1649789A (zh) 2005-08-03

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