EP1327599B1 - Elevator device - Google Patents

Elevator device Download PDF

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Publication number
EP1327599B1
EP1327599B1 EP00950050A EP00950050A EP1327599B1 EP 1327599 B1 EP1327599 B1 EP 1327599B1 EP 00950050 A EP00950050 A EP 00950050A EP 00950050 A EP00950050 A EP 00950050A EP 1327599 B1 EP1327599 B1 EP 1327599B1
Authority
EP
European Patent Office
Prior art keywords
rope
sheave
driving
main rope
main
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.)
Expired - Lifetime
Application number
EP00950050A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1327599A4 (en
EP1327599A1 (en
Inventor
Takenobu Honda
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
Priority to EP06015383A priority Critical patent/EP1710192A3/en
Publication of EP1327599A1 publication Critical patent/EP1327599A1/en
Publication of EP1327599A4 publication Critical patent/EP1327599A4/en
Application granted granted Critical
Publication of EP1327599B1 publication Critical patent/EP1327599B1/en
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
    • 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
    • B66B7/047—Shoes, sliders
    • 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
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/145—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising elements for indicating or detecting the rope or cable status
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing

Definitions

  • the present invention relates to an elevator apparatus using a main rope a surface of which is covered with a covering member made of a material with a high frictional coefficient.
  • Japanese Patent Application Laid-Open No. Hei 7-267534 or WO 98/16681 shows a main rope for an elevator which is composed of a synthetic fiber rope.
  • the synthetic fiber rope has a rope body and a covering member covering an outer periphery of the rope body.
  • the rope body is constructed by twisting a plurality of strands each of which is composed of aramid fibers and an impregnating agent such as polyurethane.
  • the covering member is made of, for example, polyurethane.
  • the present invention is made to solve the problems mentioned above, and an object of the present invention is to provide an elevator apparatus in which the transmission efficiency of driving force between a driving sheave and a main rope can be further improved, as well as to prolong the life of the main rope.
  • claim 1 solves the above problems, with the preamble of claim 1 being based upon WO 98/16681.
  • Fig. 1 is a side view showing an elevator apparatus according to an embodiment of the present invention
  • Fig. 2 is a cross-sectional view taken along the line II-II in Fig. 1.
  • a pair of car guide rails 2 and a pair of counterweight guide rails 3 are installed in a hoistway 1.
  • the guide rails 2 and 3 are fixed through a plurality of rail brackets 5 to building side fittings 4 fixed to a building.
  • the rail brackets 5 are fixed to the building side fittings 4 by a non-welding process using a plurality of bolts 6 as a fastening device.
  • the guide rails 2 and 3 are fastened to the rail brackets 5 by a plurality of rail clips (not shown).
  • a deflector sheave 7 and a driving machine (hoisting machine) 8 are disposed at an upper portion of the hoistway 1.
  • the driving machine 8 has a driving machine body 9 and a driving sheave 10 rotated by the driving machine body 9.
  • a plurality of main ropes 11 are wound around the driving sheave 10 and the deflector sheave 7.
  • a car 12 is suspended at one end portion of the main ropes 11.
  • a counterweight 13 is suspended at the other end portion of the main ropes 11.
  • the car 12 is guided by the car guide rails 2 to be raised and lowered in the hoistway 1.
  • the counterweight 13 is guided by the counterweight guide rails 3 to be raised and lowered in the hoistway 1.
  • a plurality of car guide shoes 14 and a plurality of counterweight guide shoes 15 as non-lubricated type guiding devices which engage with the guide rails 2 and 3 are attached to the car 12 and the counterweight 13.
  • the guide shoes 14 and 15 are sliding guide shoes which are predominantly composed of wax or polyethylene and do not need to be supplied oil.
  • a car side buffer 16 buffering the shock of an impact by the car 12 and a counterweight side buffer 17 buffering the shock of an impact by the counterweight 13 are installed at a bottom portion (pit) 1a of the hoistway 1.
  • These buffers 16 and 17 are oil buffers.
  • the buffers 16 and 17 are surrounded by flexible covers 18 and 19 to prevent dispersion of oil in the oil buffers 16 and 17 to the surrounding area.
  • Fig. 3 is a cross-sectional view of the main rope 11 in Fig. 1.
  • the main rope 11 has a rope body 21 composed of high strength synthetic fibers, a plurality of conductive members 22 disposed into a spiral on the outer periphery of the rope body 21, and a covering member 23 covering the outer periphery of the rope body 21 and the conductive members 22.
  • the rope body 21 is constructed by twisting a plurality of strands 24 composed of aramid fibers and an impregnating agent such as polyurethane or the like around each other.
  • the conductive members 22 are composed of, for example, carbon fibers, iron or copper. More, the covering member 23 is composed of, for example, polyurethane, polyethylene or the like.
  • Fig. 4 is a cross-sectional view of an essential portion of the driving sheave 10 in Fig. 1.
  • the driving sheave 10 has a sheave body 25 made of metal at the outer peripheral surface of which grooves 25a are formed, rope receiving members 26 provided along the inner surfaces of the grooves 25a, and groove entrance members 27 provided at the edge portions of the opening portions of the grooves 25a.
  • the main ropes 11 are inserted in the grooves 25a.
  • the rope receiving members 26 are made of a material with a higher frictional coefficient than the sheave body 25.
  • the groove entrance members 27 are made of a material with a lower frictional coefficient than the rope receiving members 26. Further, in this embodiment, the rope receiving members 26 are made of the same material as the covering member 23.
  • the rope receiving members 26 having a high frictional coefficient are provided in the grooves 25a of the driving sheave 10, the transmission efficiency of the driving force between the driving sheave 10 and the main ropes 11 can be improved. Further, since the rope receiving members 26 are made of the same material as the covering member 23, the frictional force between the driving sheave 10 and the main ropes 11 can be improved effectively. Furthermore, since the groove entrance members 27 made of low frictional coefficient material are disposed at the edge portions of the opening portions of the grooves 25a, the friction when the main ropes 11 are inserted in and moved out from the grooves 25a is reduced, thereby preventing damage to the main ropes 11 and prolonging the life of the main ropes 11.
  • roller guide shoes which need to be supplied oil are not used, and the non-lubricated and sliding type guide shoes 14 and 15 are used as the guiding devices, the surfaces of the main ropes 11 are prevented from being stained by oil, thereby maintaining the transmission efficiency of the driving force between the driving sheave 10 and the main ropes 11.
  • the buffers 16 and 17 are surrounded by covers 18 and 19, so dispersion of oil in the buffers 16 and 17 to the surrounding area is prevented, to also prevent the surfaces of the main ropes 11 from being stained by oil, thereby maintaining the transmission efficiency of the driving force between the driving sheave 10 and the main ropes 11.
  • the rail brackets 5 are fixed in the hoistway 1 by a non-welding process using the bolts 6, so the main ropes 11 are prevented from being damaged by sparks generated during welding, thereby maintaining the transmission efficiency of the driving force between the driving sheave 10 and the main ropes 11.
  • Fig. 5 is a structural view showing an elevator apparatus useful for understanding the present invention.
  • a machine base 32 is installed at an upper portion of the hoistway 31.
  • a driving machine 33 and a deflector sheave 34 are mounted to the machine base 32.
  • the driving machine 33 has a driving sheave 35.
  • a main rope 36 is wound around the driving sheave 35 and the deflector sheave 34.
  • the cross sectional structure of the main rope 36 is the same as in Fig. 3, and the conductive members 22 are provided inside the covering member 23. Further, the surface portion of the driving sheave 35 contacting the main rope 36 is composed of conductive material.
  • a car 37 and a counterweight 38 are suspended in the hoistway 1 by the main rope 36.
  • a detecting apparatus 39 is installed on the machine base 32. The detecting apparatus 39 is electrically connected to the surface portion of the driving sheave 35 and the conductive members 22 through wires 40, so any damage to the covering member 23 is detected by electrical continuity between the surface portion of the driving sheave 35 and the conductive members 22.
  • Fig. 6 is a structural view showing an elevator apparatus useful for understanding the present invention.
  • a driving machine 42 and a deflector sheave 43 are disposed at an upper portion of a hoistway 41.
  • the driving machine 42 has a driving sheave 44.
  • a main rope 45 is wound around the driving sheave 44 and the deflector sheave 43.
  • the cross sectional structure of the main rope 45 is the same as in Fig. 3, and its surface is covered by the covering member 23 made of high frictional coefficient material.
  • a car 46 is suspended at one end portion of the main rope 45.
  • a counterweight 47 is suspended at the other end portion of the main rope 45.
  • a brake device 48 for braking the car 46 by directly gripping the main rope 45 is disposed at the upper portion of the hoistway 41.
  • lining material having a frictional coefficient of about 0.3 are used in brake devices of conventional elevators, since the covering member 23 made of polyurethane, polyethylene or the like has a frictional coefficient of about 0.4 to 0.6, a reduction in brake device size is possible by using the brake device 48 which directly grips the main rope 45.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
EP00950050A 2000-08-09 2000-08-09 Elevator device Expired - Lifetime EP1327599B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06015383A EP1710192A3 (en) 2000-08-09 2000-08-09 Elevator apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/005335 WO2002012108A1 (fr) 2000-08-09 2000-08-09 Dispositif elevateur

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP06015383A Division EP1710192A3 (en) 2000-08-09 2000-08-09 Elevator apparatus

Publications (3)

Publication Number Publication Date
EP1327599A1 EP1327599A1 (en) 2003-07-16
EP1327599A4 EP1327599A4 (en) 2004-06-30
EP1327599B1 true EP1327599B1 (en) 2007-03-21

Family

ID=11736339

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00950050A Expired - Lifetime EP1327599B1 (en) 2000-08-09 2000-08-09 Elevator device

Country Status (6)

Country Link
EP (1) EP1327599B1 (ko)
JP (1) JP4727123B2 (ko)
KR (2) KR100508558B1 (ko)
CN (1) CN1373733A (ko)
DE (1) DE60034072T2 (ko)
WO (1) WO2002012108A1 (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1508544A4 (en) * 2002-05-30 2008-04-23 Mitsubishi Electric Corp LIFTING APPARATUS
CN100335398C (zh) * 2003-01-24 2007-09-05 三菱电机株式会社 电梯用绳索
JPWO2004080878A1 (ja) * 2003-03-12 2006-06-08 三菱電機株式会社 カウンタ自走式エレベータ
EP1657208B1 (de) 2003-06-19 2013-12-25 Inventio AG Treibrolle mit Beschichtung
JPWO2005082763A1 (ja) * 2004-03-01 2007-08-30 三菱電機株式会社 樹脂製ロープとそれを用いたエレベータの位置検出装置
CN101143677B (zh) * 2004-04-14 2010-06-09 三菱电机株式会社 电梯装置
EP1736431B1 (en) * 2004-04-14 2011-03-23 Mitsubishi Denki Kabushiki Kaisha Elevator apparatus
WO2006038254A1 (ja) * 2004-09-30 2006-04-13 Mitsubishi Denki Kabushiki Kaisha エレベータ装置
EP1803676A4 (en) * 2004-10-20 2012-03-14 Mitsubishi Electric Corp LIFT DEVICE
CN1926052B (zh) * 2004-12-15 2012-06-06 三菱电机株式会社 电梯用曳引机
JP4386371B2 (ja) * 2006-02-10 2009-12-16 株式会社日立製作所 エレベータ装置
ES2341743B1 (es) * 2007-08-03 2011-04-28 Orona, S. Coop. Cable para aparattos elevadores y aparato elevador que comprende dicho cable.
ES2420524T3 (es) * 2008-01-28 2013-08-23 Thyssenkrupp Aufzugswerke Gmbh Instalación de ascensor
JP2010195580A (ja) * 2009-02-27 2010-09-09 Toshiba Elevator Co Ltd 吊支持用ロープ
JP5060567B2 (ja) * 2010-01-22 2012-10-31 株式会社日立製作所 エレベーターのロープ巻き掛け方法、及び部材
CN102491151A (zh) * 2011-12-16 2012-06-13 苏州市东沪电缆有限公司 一种假随行电梯电缆组件
ES2875314T3 (es) * 2016-05-17 2021-11-10 Inventio Ag Procedimiento y dispositivo para detectar daños en un medio soporte para una instalación de elevador
US11111108B2 (en) * 2018-05-04 2021-09-07 Otis Elevator Company Coated sheave
CN111039125A (zh) * 2018-10-15 2020-04-21 潘实 一种液压缓冲装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5844596B2 (ja) * 1976-03-10 1983-10-04 三菱電機株式会社 エレベ−タの非常停止装置
JPS55151479A (en) * 1979-05-09 1980-11-26 Hitachi Ltd Elevator
JPS6055436B2 (ja) * 1981-04-09 1985-12-05 三菱電機株式会社 エレベ−タの巻上装置
JPS594589A (ja) * 1982-06-28 1984-01-11 株式会社日立製作所 駆動用シ−ブ
JPS59164450A (ja) * 1983-03-04 1984-09-17 Toshiba Corp エレベ−タのトラクシヨンシ−ブ
JPS61165978A (ja) * 1985-01-17 1986-07-26 加藤　儀一郎 多機能型低圧避雷器
JPS61165978U (ko) * 1985-04-02 1986-10-15
JPH0781608B2 (ja) * 1989-10-21 1995-09-06 株式会社豊田自動織機製作所 伝導ベルトの劣化検出装置
JP2724510B2 (ja) * 1990-07-09 1998-03-09 日本石油株式会社 油圧作動油組成物
JPH0468082U (ko) * 1990-10-22 1992-06-16
JPH0618371U (ja) * 1992-08-13 1994-03-08 オーチス エレベータ カンパニー エレベーターのロープ用案内輪
MXPA95001137A (es) * 1994-03-02 2004-02-16 Inventio Ag Cable como medio de suspension para un elevador.
CA2154422C (en) * 1994-08-29 2005-05-24 Hans G. Blochle Cable-clamping device for a synthetic fibre cable
JPH09110334A (ja) * 1995-10-16 1997-04-28 Hitachi Building Syst Co Ltd レールブラケット穴あけ位置設定装置
US5881843A (en) * 1996-10-15 1999-03-16 Otis Elevator Company Synthetic non-metallic rope for an elevator
JP4371515B2 (ja) * 1999-01-22 2009-11-25 インベンテイオ・アクテイエンゲゼルシヤフト 合成繊維ロープのロープシースへの損傷の検知
JP3896764B2 (ja) * 2000-04-25 2007-03-22 株式会社日立製作所 ロープの劣化状態判別方法、及びそれを用いたエレベータ

Also Published As

Publication number Publication date
DE60034072T2 (de) 2007-12-13
KR100511850B1 (ko) 2005-09-02
WO2002012108A1 (fr) 2002-02-14
DE60034072D1 (de) 2007-05-03
CN1373733A (zh) 2002-10-09
JP4727123B2 (ja) 2011-07-20
EP1327599A4 (en) 2004-06-30
KR20040071276A (ko) 2004-08-11
EP1327599A1 (en) 2003-07-16
KR100508558B1 (ko) 2005-08-17
KR20020035883A (ko) 2002-05-15

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