WO2020060270A1 - 엘리베이터용 2:1 로프 체결방식에 적용되는 매달림 시브 - Google Patents

엘리베이터용 2:1 로프 체결방식에 적용되는 매달림 시브 Download PDF

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Publication number
WO2020060270A1
WO2020060270A1 PCT/KR2019/012211 KR2019012211W WO2020060270A1 WO 2020060270 A1 WO2020060270 A1 WO 2020060270A1 KR 2019012211 W KR2019012211 W KR 2019012211W WO 2020060270 A1 WO2020060270 A1 WO 2020060270A1
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WO
WIPO (PCT)
Prior art keywords
sheave
rope
mounting shaft
split
wound
Prior art date
Application number
PCT/KR2019/012211
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English (en)
French (fr)
Korean (ko)
Inventor
전병수
Original Assignee
전병수
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 전병수 filed Critical 전병수
Priority to CN201980076665.1A priority Critical patent/CN113165842B/zh
Publication of WO2020060270A1 publication Critical patent/WO2020060270A1/ko

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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
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/32—Friction members
    • F16H55/36—Pulleys

Definitions

  • the present invention relates to a suspension sheave that is provided on the upper part of the car and the upper part of the elevator, and more specifically, the movement of each rope by the amount of tensile change according to the tensile change amount of each rope while each rope is wound on the suspension sheave. It relates to a suspension sheave applied to a 2: 1 rope fastening method for an elevator so that this can be made freely.
  • an elevator is a type of transportation that quickly and smoothly moves passengers between floors by vertically elevating a car installed on a hoistway inside a structure by driving a hoisting machine.
  • a plurality of ropes are connected and elevated by various methods based on a hoisting machine as a driving means, and an embodiment in which a 2: 1 rope fastening method is applied herein is applied.
  • the 2: 1 rope fastening method in an elevator means a drive sheave 110 rotated by a hoisting machine 100 and a plurality of ropes wound around the drive sheave 110 for lifting as shown in FIG. 7.
  • one end of the rope based on the driving sheave 110 is connected to a known tension control means 120 and wound around the car sheave 130 located on the top of the car 132, the The other end is connected to a known tension control means (120A) has a technical configuration that is connected to wind on the weight sheave 140 located on the upper portion of the weight (142).
  • Each of the sheave grooves and the sheave and weight sheaves are integrally formed with respective sheave grooves in which a plurality of ropes are wound.
  • the passive sheave 130 and the weight sheave 140 are defined as "hanging sheave 1" in the elevator glossary.
  • the lifting and lowering of the car as well as the lifting sheaves and the weight sheaves are suspended as the car is lowered or raised.
  • the rope section (hereinafter referred to as 'A section') connected between the tension adjusting means and the cassive, and the rope section (hereinafter referred to as 'B section') connected between the weight sheave and the tension adjusting means are each tension.
  • a section capable of adjusting the tension of the rope can be secured by the adjusting means.
  • the rope section between the car sheave and the drive sheave (hereinafter referred to as the 'C section') and the rope section between the drive sheave and the weight sheave (hereinafter referred to as the 'D section') are sections in which tension cannot be adjusted.
  • the sheave which is the suspension sheave in which each rope is wound, as well as the weight sheave, is the sheave in which the rope is wound. It should be slipped from the groove, but due to the integral formation, the rope cannot work independently in the intended direction.
  • the rope in the 2: 1 rope fastening method not only provides a cause for the breakage, but also frequently breaks.
  • the prior art related to the elevator driving sheave, the casing, or the weight sheave is the number of ropes as disclosed in Korean Utility Model Publication No. 20-2000-0017773 (hereinafter referred to as 'prior art document 1').
  • 'prior art document 1' Korean Utility Model Publication No. 20-2000-0017773
  • Patent Document 1 Republic of Korea Utility Model Publication No. 20-2000-0017773
  • Patent Document 2 Republic of Korea Patent Publication No. 10-2007-0039054
  • Patent Document 3 Korean Patent Registration No. 10-0865653
  • each of the sheave grooves formed on the hanging sheave in which a plurality of ropes are wound has an integral problem, and thus has a problem as a result.
  • Prior art document 3 is used by arranging a belt instead of a rope, but it also has a disadvantage of not individually controlling the tension of the roller structure.
  • each rope can be freely moved by the amount of tensile change according to the tensile change amount of each rope while each rope is wound on the hanging sieve. It is to provide a suspension sheave applied to a 2: 1 rope fastening method for an elevator.
  • Another specific technical problem of the present invention is to provide various embodiments that allow the movement of each rope of the hanging sheave to be freely made depending on the application.
  • a specific technical solution of the present invention for solving the above technical problems is a suspension sheave in which each rope to which a 2: 1 rope fastening method is applied is wound for lifting a car in an elevator, wherein the suspension sheave is a mounting shaft; And a plurality of divided sheaves in which the respective sheave grooves in which each rope is wound are formed on the mounting shaft and are rotatably provided so that the movement of each rope is free according to the tensile change amount of each wound rope.
  • Rotation of each divided sieve on the mounting shaft is formed by a fastening flange on one surface and rotatably provided on the mounting shaft, a fixed sieve fixed to the fastening flange and rotated together with the rotating body, the rotating body It includes a plurality of split sheaves that are rotatably provided on the fixed flange that is fastened and fixed to the rotating body to prevent the separation sheaves from being detached from the other end of the rotating body on which the fastening flange is formed.
  • Each bushing further includes interposing a bushing for preventing interference between the split sheaves.
  • each split sheave on the mounting shaft is a plurality of split sheaves rotatably provided on the mounting shaft, and each split sheave fixed to each fixing plate rotatably provided on a mounting shaft on both sides of the plurality of split sheaves. It includes.
  • the divided sheave fixed to each fixed plate is inserted into the shaft portion formed in the fixed plate and fixed to the fixed plate by a plurality of fasteners.
  • each split sheave on the mounting shaft is rotatably provided on the mounting shaft, one split sheave fastened to the mounting flange of the drum housing, and a plurality of rotatably provided on the drum housing
  • the separation sheave and the other end of the drum housing on which the mounting flange is formed include an anti-separation plate fixed to the drum housing to prevent separation of the division sheave.
  • the drum housing includes an insertion tube portion rotatably formed on a mounting shaft, a side surface integrally connected to one surface of the insertion tube portion, and a mounting pipe portion integrally connected to the side surface and coupled to the divided sheave.
  • the present invention allows the movement of each rope to be free as much as the tensile change amount according to the tensile change amount of each rope in the state where each rope is wound on the hanging sieve, thereby breaking the rope in the 2: 1 rope fastening method for elevators. Not only can it be prevented, it also has the effect of stably elevating the car and securing a long service life.
  • each rope of the suspension sheave according to the application to be made freely, it also has the effect of selectively using an appropriate suspension sheave according to the purpose of use.
  • FIG. 1 is an exploded perspective view for explaining a first embodiment of the present invention
  • Figure 2 is an exploded cross-sectional view and a combined cross-sectional view according to Figure 1,
  • FIG. 3 is an exploded perspective view for explaining a second embodiment of the present invention
  • Figure 4 is an exploded cross-sectional view and a combined cross-sectional view according to Figure 3,
  • FIG. 5 is an exploded perspective view for explaining a third embodiment of the present invention.
  • Figure 6 is an exploded cross-sectional view and a combined cross-sectional view according to Figure 5,
  • FIG. 7 is a conceptual diagram for explaining an elevator to which a conventional 2: 1 rope fastening method is applied.
  • FIG. 1 is an exploded perspective view for explaining a first embodiment of the present invention
  • FIG. 2 is an exploded cross-sectional view and a combined cross-sectional view according to FIG. 1.
  • a 2: 1 rope fastening method in an elevator is commonly referred to as a driving sheave 110 rotated by a hoisting machine 100 and wound for lifting on the driving sheave 110.
  • a plurality of ropes (R) and one end of the rope based on the driving sheave 110 are connected to a known tension control means 120 and wound around a car sheave 130 located above the car 132.
  • the other end of the rope has a technical configuration that is connected to a known tension control means (120A) to be wound around the weight sheave 140 located on the top of the weight (142).
  • Each of the sheave grooves and the sheave and weight sheaves are integrally formed with respective sheave grooves in which a plurality of ropes are wound.
  • the casing 130 and the weight sheave 140 are defined as "hanging sheave (1)" in the elevator glossary.
  • the rope section between the cascade and the drive sheave (hereinafter referred to as the 'C section') and the rope section between the drive sheave and the weight sheave, as described in the background art of the invention, between the suspension sheave and the drive sheave, as described above.
  • 'D section' is a section in which the tension cannot be adjusted.
  • the sheave which is the suspension sheave in which each rope is wound, as well as the weight sheave, is the sheave in which the rope is wound. It should be slipped from the groove, but due to the integral formation, the rope cannot work independently in the intended direction.
  • the rope in the 2: 1 rope fastening method not only provides a cause for the breakage, but also frequently breaks.
  • the present invention is to allow the movement of each rope to be free as much as the tensile change amount according to the tensile change amount of each rope in a state where each rope is wound on the hanging sieve.
  • the hanging sieve 1 to which each rope R to which a 2: 1 rope fastening method is applied is wound is mounted shaft 10; And each sheave groove 1a in which each rope R is wound on the mounting shaft 10 is rotatable so that the movement of each rope R is free according to the tensile change amount of each wound rope R And a plurality of divided sheaves 1A.
  • the mounting shaft 10 is mounted on the top of the car 132 or the weight 142 by a conventional bracket or frame.
  • a plurality of split sheaves (1A) is a conventional pulley form, can be appropriately selected and applied according to the number of ropes.
  • each split sheave 1A on the mounting shaft 10 which is the first embodiment of the present invention, is provided with a fastening flange 22 formed on one surface so as to be rotatable by a conventional bearing or the like on the mounting shaft 10
  • the fastening flange 22 is fastened and fixed by a conventional bolt or the like, and one split sheave 1A rotated with the rotating body 20, and on the rotating body 20
  • the rotating body ( 20) includes a fixing flange 24 that is fastened and fixed by screws or bolts.
  • each of the divided sheaves (1A) further includes that each of the bushing (bushing, 26) in the form of a conventional disk for preventing interference between the divided sheave (1A).
  • a conventional snap ring 12 for preventing flow is fixedly coupled to both mounting shafts 10 of the split sheave 1A.
  • the state in which the fixing flange is fixed to the rotating body is a conventional circular bobbin shape.
  • the rope wound around the rotating body and one split sheave fastened to the rotating body on the mounting shaft or the rope wound around the plurality of split sheaves rotatably provided in the rotating body is reduced or stretched, or in each of the sheave grooves in the driving sheave
  • the ropes operate independently in the direction in which the ropes are to operate as the divided sheaves wound by each rope have a condition that can be individually rotated.
  • the present invention can be easily applied to an existing elevator as it can be realized by a simple technical configuration rather than a complicated technical configuration.
  • FIG. 3 is an exploded perspective view for explaining a second embodiment of the present invention
  • FIG. 4 is an exploded cross-sectional view and a combined cross-sectional view according to FIG. 3.
  • each split sheave 1A on the mounting shaft 10 is a plurality of split sheaves 1A rotatably provided on the mounting shaft 10 by a conventional bearing or the like, and the plurality of split sheaves 1A On each side of the mounting shaft 10, each of the divided sheaves 1A is fixed to each fixed plate 30 that is rotatably provided by a conventional bearing or the like.
  • the divided sieve 1A fixed to each fixing plate 30 is inserted into the shaft portion 32 formed in the fixing plate 30 and fixed by a fastener 34 such as a plurality of bolts or screws. It is fixed to the plate 30.
  • the second embodiment is not only excellent in assembling performance as compared to the first embodiment described above, but also has conditions suitable for high loads.
  • FIG. 5 is an exploded perspective view for explaining a third embodiment of the present invention
  • FIG. 6 is an exploded cross-sectional view and a combined cross-sectional view according to FIG. 5.
  • each divided sieve 1A on the mounting shaft 10 is a drum housing 40 manufactured by a conventional molding method or press processing or the like provided rotatably on a mounting shaft 10 by a conventional bearing or the like.
  • One split sheave (1A) fastened and fixed to the mounting flange (42) of the drum housing (40) by a bolt or the like, and rotatable by a common bearing or the like on the drum housing (40)
  • screws or bolts common to the drum housing 40 are provided. It includes a departure prevention plate 44 fixed by, for example.
  • the drum housing 40 includes an insertion tube portion 40A rotatably formed on a mounting shaft 10, and a side surface 40B and the side surface 40B integrally connected with one surface of the insertion tube portion 40A. It is integrally connected and includes a mounting pipe portion 40C to which the split sheave 1A is coupled.
  • the divided sieve 1A is formed in a conventional ring shape mounted on the mounting pipe portion 40C of the drum housing 40.
  • the lightweight drum housing can be rotated at a high speed by a rope, and the divided sheaves rotatably provided in the drum housing operate independently when the transport gap of the rope occurs.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
PCT/KR2019/012211 2018-09-21 2019-09-20 엘리베이터용 2:1 로프 체결방식에 적용되는 매달림 시브 WO2020060270A1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201980076665.1A CN113165842B (zh) 2018-09-21 2019-09-20 适用于电梯用2：1绳索连接方法的悬吊滑轮

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180113813A KR102092078B1 (ko) 2018-09-21 2018-09-21 엘리베이터용 2:1 로프 체결방식에 적용되는 매달림 시브
KR10-2018-0113813 2018-09-21

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WO2020060270A1 true WO2020060270A1 (ko) 2020-03-26

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CN (1) CN113165842B (zh)
WO (1) WO2020060270A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102523904B1 (ko) 2023-03-22 2023-04-20 주식회사 한림기업 엘리베이터의 로프파단 검출에 의한 이중 안전운행 시스템 및 상기 시스템을 이용한 안전운행 방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05278974A (ja) * 1992-03-31 1993-10-26 Hitachi Building Syst Eng & Service Co Ltd エレベーター用従動綱車
JPH107351A (ja) * 1996-06-20 1998-01-13 Hitachi Ltd エレベータ
KR20000017773U (ko) * 1999-03-04 2000-10-05 장병우 엘리베이터의 권상시브/풀리 구조
JP2005534592A (ja) * 2002-08-06 2005-11-17 ティッセン エレベーター キャピタル コーポレーション モジュール式シーブアセンブリ
JP2012020820A (ja) * 2010-07-13 2012-02-02 Toshiba Elevator Co Ltd エレベータ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5049125B2 (ja) 2004-07-12 2012-10-17 インベンテイオ・アクテイエンゲゼルシヤフト 昇降機および昇降機に使用するためのプーリ組み立て体
EP1783088A4 (en) * 2004-08-25 2012-09-05 Mitsubishi Electric Corp LIFT DEVICE
ITMI20062542A1 (it) * 2006-12-29 2008-06-30 L A Consulting S A S Ascensore con doppia puleggia di trazione
KR20070039054A (ko) 2007-01-19 2007-04-11 미쓰비시덴키 가부시키가이샤 엘리베이터 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05278974A (ja) * 1992-03-31 1993-10-26 Hitachi Building Syst Eng & Service Co Ltd エレベーター用従動綱車
JPH107351A (ja) * 1996-06-20 1998-01-13 Hitachi Ltd エレベータ
KR20000017773U (ko) * 1999-03-04 2000-10-05 장병우 엘리베이터의 권상시브/풀리 구조
JP2005534592A (ja) * 2002-08-06 2005-11-17 ティッセン エレベーター キャピタル コーポレーション モジュール式シーブアセンブリ
JP2012020820A (ja) * 2010-07-13 2012-02-02 Toshiba Elevator Co Ltd エレベータ

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Publication number Publication date
CN113165842A (zh) 2021-07-23
KR102092078B1 (ko) 2020-03-23
CN113165842B (zh) 2023-02-03

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