WO2021070318A1 - Dispositif de contrepoids d'ascenseur - Google Patents

Dispositif de contrepoids d'ascenseur Download PDF

Info

Publication number
WO2021070318A1
WO2021070318A1 PCT/JP2019/039995 JP2019039995W WO2021070318A1 WO 2021070318 A1 WO2021070318 A1 WO 2021070318A1 JP 2019039995 W JP2019039995 W JP 2019039995W WO 2021070318 A1 WO2021070318 A1 WO 2021070318A1
Authority
WO
WIPO (PCT)
Prior art keywords
upper frame
slit
suspension wheel
holding
fixed
Prior art date
Application number
PCT/JP2019/039995
Other languages
English (en)
Japanese (ja)
Inventor
知洋 浅村
泰央 渡部
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2021551034A priority Critical patent/JP7134366B2/ja
Priority to CN201980100912.7A priority patent/CN114450242B/zh
Priority to PCT/JP2019/039995 priority patent/WO2021070318A1/fr
Publication of WO2021070318A1 publication Critical patent/WO2021070318A1/fr

Links

Images

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

Definitions

  • the present invention relates to an elevator balancing weight device having a suspension wheel holding member.
  • a thick plate is fixed to the upper frame of the weight frame.
  • a U-shaped plate is fixed to the thick plate by a plurality of bolts.
  • a bracket body is fixed to the U-shaped plate.
  • a weight pulley is held in the bracket body (see, for example, Patent Document 1).
  • the present invention has been made to solve the above problems, and an object of the present invention is to obtain an elevator balancing weight device capable of more firmly connecting the suspension wheel holding member and the upper frame. ..
  • the balance weight device for an elevator has an upper frame provided with a slit, a horizontal portion applied to the lower surface of the upper frame, and a protruding portion protruding downward from the horizontal portion.
  • the connecting bracket fixed to the upper frame, the holding part that is located on the upper frame and holds the balanced weight suspension wheel, and the intermediate part that is passed through the slit and penetrates the upper frame in the vertical direction.
  • the suspension wheel holding member which protrudes downward from the upper frame and has a fixing portion overlapped with the protruding portion, and the protruding portion and the fixing portion are penetrated to fix the fixing portion to the protruding portion. It is equipped with a fixture.
  • the balance weight device of the elevator is located on an upper frame provided with a linear slit and above the upper frame, and has a holding portion for holding the balance weight suspension vehicle and an upper portion.
  • a suspension wheel holding member having a fixing portion is provided, the penetrating portion and the fixing portion can pass through the slit, and the upper frame is provided with a relief hole connected to the slit, and the relief hole is provided. Allows rotation of the penetrating portion in the horizontal plane before the fixing portion is fixed to the upper frame.
  • the suspension wheel holding member and the upper frame can be more firmly connected.
  • FIG. It is a schematic block diagram which shows the elevator by Embodiment 1.
  • FIG. It is a front view which shows the balance weight device of FIG. It is a side view which shows the balance weight device of FIG. It is a perspective view which shows the balance weight device of FIG. It is a perspective view which shows the upper frame of FIG. It is a top view which shows the upper frame of FIG. It is a front view which shows the upper frame of FIG. It is a front view which shows one of the pair of pulling plates of FIG. 2 and a balance weight suspension wheel. It is a perspective view which shows the pair of pulling plates of FIG. 2 and the balance weight suspension wheel. It is a perspective view which shows the main part of FIG. It is a perspective view which looked at the main part of FIG. 2 from diagonally above.
  • FIG. 2 It is a perspective view which looked at the main part of FIG. 2 from diagonally below. It is a perspective view which shows the main part of the balance weighting apparatus according to Embodiment 2.
  • FIG. It is a perspective view which shows the holding body of FIG. 13 and the balance weight suspension wheel. It is a perspective view which shows the upper frame main body of FIG. It is a perspective view which shows the state in the process of attaching to the upper frame of the holding body of FIG.
  • FIG. 1 is a schematic configuration diagram showing an elevator according to the first embodiment.
  • the elevator of the first embodiment is a machine roomless elevator.
  • a hoisting machine 2 is installed at the top of the hoistway 1.
  • the hoisting machine 2 has a drive sheave 3, a motor (not shown), and a brake (not shown).
  • the motor rotates the drive sheave 3.
  • the brake keeps the drive sheave 3 stationary.
  • the brake also brakes the rotation of the drive sheave 3.
  • the suspension body 4 is wound around the drive sheave 3.
  • a plurality of ropes or a plurality of belts are used as the suspension body 4.
  • the car 5 and the balancing weight device 6 are suspended in the hoistway 1 by the suspension body 4. Further, the car 5 and the balancing weight device 6 move up and down in the hoistway 1 by rotating the drive sheave 3.
  • a first car suspension wheel 7a and a second car suspension wheel 7b are provided at the lower part of the car 5.
  • a counterweight suspension wheel 8 is provided above the counterweight weight device 6.
  • a first rope stopper 9 and a second rope stopper 10 are provided at the top of the hoistway 1.
  • the first end of the suspension body 4 is connected to the first rope stopper 9.
  • the second end of the suspension body 4 is connected to the second rope stopper 10.
  • the suspension body 4 is wound around the first car suspension wheel 7a, the second car suspension wheel 7b, the drive sheave 3, and the balance weight suspension wheel 8 in this order from the first end side.
  • the elevator roping method of the first embodiment is a 2: 1 roping method.
  • FIG. 2 is a front view showing the balance weight device 6 of FIG.
  • FIG. 3 is a side view showing the balancing weight device 6 of FIG.
  • FIG. 4 is a perspective view showing the balancing weight device 6 of FIG.
  • the balancing weight device 6 has a frame body 21, a weight body 22, and a holding body 23.
  • the frame body 21 has a first vertical frame 24, a second vertical frame 25, a lower frame 26, and an upper frame 27.
  • the first vertical frame 24 and the second vertical frame 25 are arranged parallel to each other.
  • the lower frame 26 is connected between the lower end of the first vertical frame 24 and the lower end of the second vertical frame 25.
  • the upper frame 27 is connected between the upper end portion of the first vertical frame 24 and the upper end portion of the second vertical frame 25.
  • the weight body 22 is held by the frame body 21. Further, although not shown, the weight body 22 has a plurality of weight pieces stacked in the vertical direction. Further, the weight main body 22 is supported on the lower frame 26. Further, the weight main body 22 is arranged between the first vertical frame 24 and the second vertical frame 25. The upper ends of the weight body 22 face the upper frame 27 at intervals.
  • the holding body 23 holds the balanced weight suspension wheel 8. Further, the holding body 23 has a connecting metal fitting 31, a pair of pulling plates 32 as a suspension wheel holding member, and a plurality of fixing tools 33.
  • the connecting metal fitting 31 is fixed to the lower part of the upper frame 27.
  • the pair of pulling plates 32 face each other with the balance weight suspension wheel 8 interposed therebetween.
  • the counterweight suspension wheel 8 is rotatably held by a pair of pulling plates 32.
  • each pulling plate 32 is fixed to the connecting metal fitting 31 by a plurality of fixing tools 33. A combination of bolts and nuts is used as each fixture 33.
  • FIG. 5 is a perspective view showing the upper frame 27 of FIG.
  • FIG. 6 is a plan view showing the upper frame 27 of FIG.
  • FIG. 7 is a front view showing the upper frame 27 of FIG.
  • the upper frame 27 has an upper frame main body 28 and a reinforcing plate 29.
  • the cross-sectional shape of the upper frame main body 28 is U-shaped.
  • the upper frame main body 28 has an upper surface portion 28a, a front surface portion 28b, and a back surface portion 28c.
  • the front surface portion 28b and the back surface portion 28c project downward at right angles from the upper surface portion 28a. Further, the front surface portion 28b and the back surface portion 28c face each other.
  • the reinforcing plate 29 is fixed to the lower end of the front surface portion 28b and the lower end portion of the back surface portion 28c by welding, for example. Further, the reinforcing plate 29 faces the lower surface of the upper surface portion 28a.
  • the upper surface portion 28a is provided with a pair of linear upper slits 28d.
  • the pair of upper slits 28d are parallel to each other and are inclined with respect to the longitudinal direction of the upper frame 27.
  • the longitudinal direction of the upper frame 27 is a direction parallel to the width direction of the balancing weight device 6, and is the left-right direction of FIGS. 2 and 6.
  • FIG. 8 is a front view showing one of the pair of pulling plates 32 of FIG. 2 and the counterweight suspension wheel 8.
  • FIG. 9 is a perspective view showing the pair of pulling plates 32 of FIG. 2 and the counterweight suspension wheel 8.
  • Each pulling plate 32 has a holding portion 32a, an intermediate portion 32b, and a fixing portion 32c.
  • the holding portion 32a supports the rotating shaft of the counterweight suspension wheel 8. As a result, the holding portion 32a holds the balanced weight suspension wheel 8.
  • the intermediate portion 32b is located below the holding portion 32a.
  • the fixed portion 32c is located below the intermediate portion 32b.
  • FIG. 10 is a perspective view showing a main part of FIG.
  • FIG. 11 is a perspective view of the main part of FIG. 2 viewed from diagonally above.
  • FIG. 12 is a perspective view of the main part of FIG. 2 as viewed from diagonally below.
  • 10 to 12 show the upper frame 27, the holding body 23, and the counterweight suspension wheel 8, respectively.
  • FIGS. 10 to 12 show a state in which the bolts of the fixtures 33 are removed.
  • the connecting metal fitting 31 has a horizontal portion 31a and a plurality of protruding portions 31b.
  • the horizontal portion 31a is applied to the lower surface of the upper frame 27.
  • the lower surface of the upper frame 27 is the lower surface of the reinforcing plate 29.
  • Each protruding portion 31b projects downward at a right angle from the horizontal portion 31a.
  • the reinforcing plate 29 is provided with a pair of linear lower slits 29a.
  • the pair of lower slits 29a are located directly below the pair of upper slits 28d. Further, each lower slit 29a overlaps with the corresponding upper slit 28d when viewed from directly above.
  • each pulling plate 32 is located on the upper frame 27.
  • the intermediate portion 32b of each pull-up plate 32 is passed through the corresponding upper slit 28d and the corresponding lower slit 29a, and penetrates the upper frame 27 in the vertical direction.
  • each pulling plate 32 projects downward from the upper frame 27. Further, the fixing portion 32c of each pulling plate 32 is overlapped with the corresponding protruding portion 31b. Each fixture 33 penetrates the corresponding protrusion 31b and the corresponding fixing portion 32c, and fixes the corresponding fixing portion 32c to the corresponding protrusion 31b.
  • a pair of pulling plates 32 are frictionally supported by a connecting metal fitting 31 by a plurality of fixtures 33. Further, the connecting metal fitting 31 is applied to the lower surface of the upper frame 27 and fixed to the upper frame 27. Therefore, no tensile load acts on the plurality of fixtures 33, and the pair of pulling plates 32 and the upper frame 27 can be more firmly connected.
  • FIG. 13 is a perspective view showing a main part of the balancing weight device according to the second embodiment.
  • the upper frame 27 of the second embodiment is composed of only the upper frame main body 28.
  • the holding body 41 of the second embodiment has a pair of pulling plates 42 as a suspension wheel holding member.
  • FIG. 14 is a perspective view showing the holding body 41 of FIG. 13 and the counterweight suspension wheel 8.
  • Each pull-up plate 42 has a holding portion 42a, a penetrating portion 42b, and a pair of fixing portions 42c.
  • the holding portion 42a is located above the upper frame 27.
  • the holding portion 42a supports the rotation shaft of the counterweight suspension wheel 8. As a result, the holding portion 42a holds the balanced weight suspension wheel 8.
  • the penetrating portion 42b is located below the holding portion 42a. Further, the penetrating portion 42b penetrates the upper frame 27 in the vertical direction.
  • the pair of fixed portions 42c are located below the penetrating portion 42b. Further, the pair of fixing portions 42c project to both sides of the penetrating portion 42b in the width direction.
  • the width direction of the penetrating portion 42b is a direction perpendicular to and horizontal to the rotation axis of the counterweight suspension wheel 8.
  • the pair of fixing portions 42c are fixed to the upper frame 27 under the upper frame 27.
  • the pair of fixing portions 42c are applied to the lower surface of the upper frame main body 28 and fixed to the upper frame main body 28 by welding, for example.
  • each pull-up plate 42 When viewed from directly above, each pull-up plate 42 is inclined and intersects with respect to the corresponding slit 28e. As a result, the rotation axis of the balance weight suspension wheel 8 is inclined with respect to the width direction of the balance weight device.
  • FIG. 15 is a perspective view showing the upper frame main body 28 of FIG.
  • the upper surface portion 28a of the upper frame main body 28 of the second embodiment is provided with a pair of linear slits 28e and a pair of relief holes 28f instead of the pair of upper slits 28d of the first embodiment. ..
  • the pair of slits 28e are provided along the direction parallel to the width direction of the balancing weight device.
  • Each relief hole 28f is provided in the center of the corresponding slit 28e and is connected to the corresponding slit 28e.
  • each pulling plate 42 can pass through the corresponding slit 28e.
  • Each relief hole 28f allows the penetration portion 42b to rotate in a horizontal plane in a state before the fixing portion 42c is fixed to the upper frame main body 28.
  • FIG. 16 is a perspective view showing a state in which the holding body 41 of FIG. 13 is being attached to the upper frame 27.
  • the penetrating portion 42b and the pair of fixing portions 42c of each pulling plate 42 are passed through the corresponding slits 28e.
  • the holding body 41 is rotated in the horizontal plane within the range allowed by the relief hole 28f, and the angle of the counterweight suspension wheel 8 with respect to the upper frame 27 is adjusted. Then, the pair of pulling plates 42 are fixed to the upper frame main body 28.
  • angle of the counterweight suspension wheel 8 with respect to the upper frame 27 can be adjusted, and it can be applied to a machine roomless elevator having a different layout, and the number of parts types can be reduced.
  • a reinforcing plate may be fixed to the lower part of the upper frame main body of the second embodiment, slits and relief holes may be provided in the reinforcing plate, and each fixing portion may be fixed to the lower surface of the reinforcing plate.
  • the same connecting metal fittings as in the first embodiment may be fixed to the reinforcing plate, and each fixing portion may be fixed to the connecting metal fittings via a plurality of fixing tools.
  • the layout of the entire machine room-less elevator is not limited to the layout shown in FIG.
  • the hoist may be located below the middle floor of the hoistway.
  • the roping method is not limited to the 2: 1 roping method, and may be, for example, a 4: 1 roping method.
  • the elevator is not limited to a machine room-less elevator, and may be an elevator having a machine room, a double deck elevator, a one-shaft multicar type elevator, or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

L'invention concerne un dispositif de contrepoids d'ascenseur, présentant une fente disposée sur un cadre supérieur. Un élément de raccordement est fixé au cadre supérieur et a une partie horizontale qui bute contre la face inférieure du cadre supérieur et une partie saillante qui fait saillie vers le bas à partir de la partie horizontale. Un élément de retenue de poulie comporte une section de retenue qui retient une poulie de contrepoids, une section intermédiaire qui pénètre dans le cadre supérieur dans la direction verticale en passant à travers la fente, et une section de fixation qui fait saillie vers le bas sous le cadre supérieur. La section de fixation est fixée à la partie saillante par un élément de fixation.
PCT/JP2019/039995 2019-10-10 2019-10-10 Dispositif de contrepoids d'ascenseur WO2021070318A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2021551034A JP7134366B2 (ja) 2019-10-10 2019-10-10 エレベータの釣合おもり装置
CN201980100912.7A CN114450242B (zh) 2019-10-10 2019-10-10 电梯的对重装置
PCT/JP2019/039995 WO2021070318A1 (fr) 2019-10-10 2019-10-10 Dispositif de contrepoids d'ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/039995 WO2021070318A1 (fr) 2019-10-10 2019-10-10 Dispositif de contrepoids d'ascenseur

Publications (1)

Publication Number Publication Date
WO2021070318A1 true WO2021070318A1 (fr) 2021-04-15

Family

ID=75438105

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/039995 WO2021070318A1 (fr) 2019-10-10 2019-10-10 Dispositif de contrepoids d'ascenseur

Country Status (3)

Country Link
JP (1) JP7134366B2 (fr)
CN (1) CN114450242B (fr)
WO (1) WO2021070318A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1160113A (ja) * 1997-08-27 1999-03-02 Toshiba Corp エレベータのつり合いおもり
JP2001151439A (ja) * 1999-12-01 2001-06-05 Hitachi Ltd エレべータ釣合い錘構造
JP2006290496A (ja) * 2005-04-07 2006-10-26 Mitsubishi Electric Corp エレベータの釣合い重り装置
US20180086602A1 (en) * 2015-04-20 2018-03-29 Inventio Ag Support unit for elevator installation
WO2018100615A1 (fr) * 2016-11-29 2018-06-07 株式会社日立製作所 Contrepoids destiné à dispositif ascenseur, et dispositif ascenseur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201309786Y (zh) * 2008-09-27 2009-09-16 宁波宏大电梯有限公司 电梯轿顶轮装置
CN202729529U (zh) * 2012-07-08 2013-02-13 浙江飞亚电梯有限公司 一种电梯轿顶装置
JP6253279B2 (ja) * 2013-07-03 2017-12-27 三菱電機株式会社 エレベータの吊り車装置及び改修方法
CN203938309U (zh) * 2014-05-16 2014-11-12 江苏展博电扶梯成套部件股份有限公司 电梯单轿顶轮悬挂装置
CN204400395U (zh) * 2014-12-29 2015-06-17 天津市奥瑞克电梯有限公司 一种无机房观光梯用上悬挂结构
WO2018146812A1 (fr) * 2017-02-13 2018-08-16 株式会社日立製作所 Appareil du type ascenseur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1160113A (ja) * 1997-08-27 1999-03-02 Toshiba Corp エレベータのつり合いおもり
JP2001151439A (ja) * 1999-12-01 2001-06-05 Hitachi Ltd エレべータ釣合い錘構造
JP2006290496A (ja) * 2005-04-07 2006-10-26 Mitsubishi Electric Corp エレベータの釣合い重り装置
US20180086602A1 (en) * 2015-04-20 2018-03-29 Inventio Ag Support unit for elevator installation
WO2018100615A1 (fr) * 2016-11-29 2018-06-07 株式会社日立製作所 Contrepoids destiné à dispositif ascenseur, et dispositif ascenseur

Also Published As

Publication number Publication date
CN114450242A (zh) 2022-05-06
JPWO2021070318A1 (fr) 2021-04-15
CN114450242B (zh) 2023-11-24
JP7134366B2 (ja) 2022-09-09

Similar Documents

Publication Publication Date Title
JP5805212B2 (ja) エレベータ装置
US7117977B2 (en) Elevator apparatus including car with suspending pulley devices on opposite sides of the car
EP1961688A1 (fr) Dispositif pour ascenseur
JP2006264862A (ja) マシンルームレスエレベータ
JP2015182845A (ja) エレベータの釣合おもり装置及びその改修方法
JP5554254B2 (ja) エレベータ
WO2021070318A1 (fr) Dispositif de contrepoids d'ascenseur
EP1717474B1 (fr) Dispositif de freinage et de levage pour ascenseur
WO2014064752A1 (fr) Dispositif de poulie d'ascenseur
JP5930813B2 (ja) エレベータ装置及びその改修方法
JP4474306B2 (ja) エレベーター装置
JP5541357B2 (ja) エレベータの非常停止装置
JP6261418B2 (ja) エレベータの釣合おもり装置及びその改修方法
WO2021070362A1 (fr) Dispositif de réglage de treuil et procédé d'installation de treuil pour ascenseur sans salle des machines
JPWO2005056457A1 (ja) エレベータ装置
JPWO2004000711A1 (ja) エレベータ装置
JP6892835B2 (ja) 非常救出用器具及びエレベーター装置
WO2023233592A1 (fr) Dispositif d'ascenseur
JP6345085B2 (ja) エレベータの釣合おもり装置及びその積層おもり押さえ具
WO2020194523A1 (fr) Dispositif ascenseur et base mécanique destinée à un tel dispositif ascenseur
JPWO2019116467A1 (ja) 機械室レスエレベータ
JP4656107B2 (ja) エレベーター装置
WO2022130453A1 (fr) Dispositif antisismique de poids pour ascenseur et dispositif de poids d'équilibrage
CN117068906A (zh) 电梯装置
WO2016121057A1 (fr) Ascendeur, dispositif d'accouplement de levier de levage pour ascenseur et procédé de réparation pour ascenseur

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19948794

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2021551034

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19948794

Country of ref document: EP

Kind code of ref document: A1