EP1555233B1 - Cordage pour ascenseur - Google Patents

Cordage pour ascenseur Download PDF

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Publication number
EP1555233B1
EP1555233B1 EP02777961.0A EP02777961A EP1555233B1 EP 1555233 B1 EP1555233 B1 EP 1555233B1 EP 02777961 A EP02777961 A EP 02777961A EP 1555233 B1 EP1555233 B1 EP 1555233B1
Authority
EP
European Patent Office
Prior art keywords
strands
main body
wires
rope
elevator
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
EP02777961.0A
Other languages
German (de)
English (en)
Other versions
EP1555233A4 (fr
EP1555233A1 (fr
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
Publication of EP1555233A1 publication Critical patent/EP1555233A1/fr
Publication of EP1555233A4 publication Critical patent/EP1555233A4/fr
Application granted granted Critical
Publication of EP1555233B1 publication Critical patent/EP1555233B1/fr
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
    • B66B7/06—Arrangements of ropes or cables
    • 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
    • B66B7/062—Belts
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/22—Flat or flat-sided ropes; Sets of ropes consisting of a series of parallel ropes
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2083—Jackets or coverings
    • D07B2201/2087—Jackets or coverings being of the coated type
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2007—Elevators

Definitions

  • the present invention relates to a belt-shaped elevator rope used in an elevator to suspend a car.
  • WO 00/37 738 A1 discloses an elevator rope for suspending an elevator car comprising a belt-shaped rope main body having a plurality of strands in which a plurality of wires are laid parallel, and a coating body made of a resin for covering the strands, the strands being disposed side by side in a cross section perpendicular to a longitudinal direction of the rope main body.
  • the present invention aims to solve the above problems and an object of the present invention is to provide an elevator rope capable of ensuring stable strength and enabling extension of service life.
  • an elevator rope for suspending an elevator car comprising a belt-shaped rope main body, wherein: the rope main body has a plurality of strands in which a plurality of wires are laid parallel; and a coating body made of a resin for covering and integrating the strands; and the strands are disposed side by side in a cross section perpendicular to a longitudinal direction of the rope main body.
  • an elevator rope for suspending an elevator car comprising a belt-shaped rope main body, wherein: the rope main body has: a plurality of strand assemblies including a core member made of a resin extending in a longitudinal direction of the rope main body, and a plurality of strands disposed around the core member and laid together with the core member; and a coating body made of a resin for covering and integrating the strand assemblies; the strands include a plurality of wires laid parallel to each other; and the strand assemblies are disposed side by side in a cross section perpendicular to a longitudinal direction of the rope main body.
  • FIG 1 is a cross section of an elevator rope according to Embodiment 1 of the present invention.
  • a belt-shaped rope main body 1 has: seven strands 2; and a coating body 3 made of a resin for covering and integrating the strands 2.
  • Each of the strands 2 has a plurality of steel wires 4.
  • the wires 4 are laid parallel to each other (See Japanese Industrial Standards (JIS) G 3525 12.2 b). All of the wires 4 are laid parallel in all of the strands 2.
  • the strands 2 are disposed side by side in a cross section perpendicular to a longitudinal direction of the rope main body 1 ( Figure 1 ).
  • the seven strands 2 are disposed so as to line up in a straight line at a distance from each other in a width direction of the rope main body 1 (left-to-right in Figure 1 ) in the cross section perpendicular to the longitudinal direction of the rope main body 1.
  • a diameter of the wires 4 is made approximately 1/400 of a diameter of a sheave (not shown) around which the rope main body 1 is wound. In this manner, bending stresses generated by the sheave are reduced, enabling fatigue resistance to be improved. Furthermore, in order to avoid making the diameter of the wires 4 considerably slenderer, it is preferable for the cross-sectional construction of the strands 2 to be a Warrington type rather than a Seale type or a filler wire type as defined in JIS G 3525.
  • the coating body 3 is composed of a thermoplastic ether-based polyurethane resin, for example.
  • An adhesive 5 is applied to at least an outer peripheral portion of each of the strands 2 to integrate the strands 2 with the coating body 3. That is, the strands 2 and the coating body 3 are bonded to each other by means of the adhesive 5. Timing of the application of the adhesive 5 may be either before or after the laying together of the wires 4.
  • the wires 4 constituting each of the strands 2 are laid parallel to each other, the wires 4 are in line contact with each other and restrain each other. Consequently, contact pressure among the wires 4 is reduced, making internal friction less likely to occur in the strands 2, thereby also enabling stable strength to be ensured and also enabling extension of service life.
  • the strands 2 will break in descending order of magnitude of load burden, or in descending order of severity of damage. In regard to this, even if the number of strands 2 is increased as a preventive measure, a strength increase proportional to the number of strands 2 cannot be expected since it is difficult to make the load burden on each of the strands 2 uniform.
  • the residual strength at the point in time when JIS replacement criteria are reached is in the order of a 5 percent (5%) reduction from a standard value since a safety margin from a standard breaking load is provided.
  • the material of the coating body 3 is not limited to a thermoplastic ether-based polyurethane resin, and appropriate selection in response to service conditions is possible. However, if used in a high-temperature, high-humidity environment, a hard ether-based polyurethane, in which hydrolysis is less likely to occur, is preferable to an ester-based polyurethane, in which hydrolysis occurs easily.
  • FIG. 2 is a cross section of an elevator rope according to Embodiment 2 of the present invention.
  • a belt-shaped rope main body 11 has: seven strand assemblies 12; and a coating body 13 made of a resin for covering and integrating the strand assemblies 12.
  • the strand assemblies 12 are disposed side by side in a cross section perpendicular to a longitudinal direction of the rope main body 11.
  • the seven strand assemblies 12 are disposed so as to line up in a straight line at a distance from each other in a width direction of the rope main body 11 in a cross section perpendicular to the longitudinal direction of the rope main body 11.
  • Each of the strand assemblies 12 respectively includes: a core member 14 made of a resin extending in a longitudinal direction of the rope main body 11; and three strands 15 disposed around the core member 14 and laid together with the core member 14.
  • Each of the strands 15 has a plurality of steel wires 16. The wires 16 are laid parallel to each other. All of the wires 16 are laid parallel in all of the strands 15.
  • each of the strand assemblies 12 the three strands 15 are disposed in a triangular cross-sectional shape around the core member 14.
  • the strand assemblies 12 are disposed such that the disposed cross-sectional shapes of the strands 15 are alternately reversed in direction.
  • thermoplastic resin such as a polypropylene resin, a polyethylene resin, or a vinyl, etc., or synthetic resin fibers such as high-strength aramid fibers or polypropylene fibers, etc., laid together at a high density, for example, can be used for the material of the core member 14.
  • An adhesive 5 is applied to at least an outer peripheral portion of each of the strands 15 to integrate them with the coating body 13. That is, the strands 15 and the coating body 13 are bonded to each other by means of the adhesive 5.
  • the strand assemblies 12 are constituted by a core member 14 and three strands 15, slenderer wires 16 can be used, enabling reductions in a diameter of a sheave to which the present invention is applied.
  • the strand assemblies 12 can be disposed at a high density, enabling strength to be increased while keeping the width of the rope main body 11 small, thereby enabling reductions in a width of a sheave to which the present invention is applied.
  • Figure 3 is a cross section of an elevator rope according to Embodiment 3 of the present invention.
  • strands 18 are used that include: a steel core wire 16 functioning as a wire; and six outer peripheral wires 17 functioning as wires disposed around the core wire 16 and laid parallel to each other. The rest of the construction is similar to that of Embodiment 2.
  • the cross-sectional construction of the strands 18 is simple and stable, it is superior in the shape stability relative to external forces. Furthermore, a diameter of the outer peripheral wires 17 can be made comparatively large, enabling both flexibility and abrasion resistance to be ensured in a well-balanced manner. In addition, because only a single layer of the outer peripheral wires 17 is disposed around the core wire 16, movement among the outer peripheral wires 17 can be suppressed, enabling adhesion stability relative to the coating body 13 also to be improved. Thus, the service life of the outer peripheral wires 17 can be extended and fatigue resistance of portions bonded to the coating body 13 can be improved.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Ropes Or Cables (AREA)

Claims (9)

  1. Cordage pour ascenseur pour suspendre une cabine d'ascenseur, comprenant un corps principal de cordage en forme de courroie (1),
    dans lequel :
    ledit corps principal de cordage (1) a une pluralité de torons (2) dans lequel une pluralité de fils métalliques (4) sont déposés parallèlement ; et un corps de revêtement (3) constitué d'une résine pour recouvrir et intégrer lesdits torons (2) ; et
    lesdits torons (2) sont disposés côte à côte dans une section transversale perpendiculaire à une direction longitudinale dudit corps principal de cordage (1), caractérisé en ce que :
    lesdits torons (2) et ledit corps de revêtement (3) sont liés l'un à l'autre au moyen d'un adhésif (5).
  2. Cordage pour ascenseur selon la revendication 1, caractérisé en ce que tous lesdits fils métalliques (4) de tous lesdits torons (2) sont déposés en parallèle.
  3. Cordage pour ascenseur selon la revendication 1, caractérisé en ce que lesdits fils métalliques (4) sont constitués d'un acier et ledit corps de revêtement (3) est constitué d'une résine de polyuréthane à base d'éther thermoplastique.
  4. Cordage pour ascenseur selon la revendication 1, caractérisé en ce que sept desdits torons (2) sont disposés de manière à s'aligner en ligne droite à une distance l'un de l'autre dans ladite section transversale perpendiculaire à ladite direction longitudinale dudit corps principal de cordage (1).
  5. Cordage pour ascenseur pour suspendre une cabine d'ascenseur, comprenant un corps principal de cordage en forme de courroie (11),
    dans lequel :
    ledit corps principal de cordage (11) a :
    une pluralité d'ensembles de torons (12) comprenant un élément central (14) constitué d'une résine s'étendant dans une direction longitudinale dudit corps principal de cordage (11) et une pluralité de torons (15) disposés autour dudit élément central (14) et déposés conjointement avec ledit élément central (14) ; et un corps de revêtement (13, 21) constitué d'une résine pour recouvrir et intégrer lesdits ensembles de torons (12) ;
    lesdits torons (15) comprennent une pluralité de fils métalliques déposés parallèlement l'un à l'autre ; et
    lesdits ensembles de torons (12) sont disposés côte à côte dans une section transversale perpendiculaire à une direction longitudinale dudit corps principal de cordage (11),
    caractérisé en ce que :
    lesdits torons (15) et ledit corps de revêtement (13, 21) sont liés l'un à l'autre au moyen d'un adhésif (5).
  6. Cordage pour ascenseur selon la revendication 5, caractérisé en ce que ledit élément central (14) est constitué d'une résine de polyéthylène.
  7. Cordage pour ascenseur selon la revendication 5, caractérisé en ce que ledit élément central (14) est constitué d'une fibre de résine synthétique.
  8. Cordage pour ascenseur selon la revendication 5, caractérisé en ce que :
    chacun desdits ensembles de torons (12) a l'un dudit élément central (14) et trois desdits torons (15) disposés autour dudit élément central (14) en forme triangulaire en coupe transversale ; et
    lesdits ensembles de torons (12) sont disposés de sorte que lesdites formes en coupe transversale disposées desdits torons (15) aient un sens inversé en alternance.
  9. Cordage pour ascenseur selon la revendication 5, caractérisé en ce que chacun desdits torons (15) comprend un fil central d'acier (16) opérant comme l'un desdits fils métalliques ; et six fils métalliques périphériques externes (17) opérant comme lesdits fils métalliques disposés autour dudit fil métallique central (16).
EP02777961.0A 2002-10-25 2002-10-25 Cordage pour ascenseur Expired - Lifetime EP1555233B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/011108 WO2004037702A1 (fr) 2002-10-25 2002-10-25 Cordage pour ascenseur

Publications (3)

Publication Number Publication Date
EP1555233A1 EP1555233A1 (fr) 2005-07-20
EP1555233A4 EP1555233A4 (fr) 2011-05-11
EP1555233B1 true EP1555233B1 (fr) 2018-06-06

Family

ID=32170786

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02777961.0A Expired - Lifetime EP1555233B1 (fr) 2002-10-25 2002-10-25 Cordage pour ascenseur

Country Status (5)

Country Link
EP (1) EP1555233B1 (fr)
JP (1) JP4292151B2 (fr)
KR (1) KR100680926B1 (fr)
CN (1) CN1289378C (fr)
WO (1) WO2004037702A1 (fr)

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ES2443891T3 (es) * 2005-11-14 2014-02-20 Otis Elevator Company Miembro de soporte de carga de ascensor que tiene un recubrimiento de conversión sobre un miembro de tensión
JP2008069008A (ja) * 2006-08-11 2008-03-27 Inventio Ag エレベータ装置のベルト、そのようなベルトの製造方法、およびそのようなベルトを備えるエレベータ装置
CN101324033B (zh) * 2007-06-15 2012-09-05 上海三菱电梯有限公司 电梯装置的拉伸组件
CN101343841B (zh) * 2007-07-09 2012-09-05 上海三菱电梯有限公司 电梯装置的拉伸组件及电梯装置
CN101343840B (zh) * 2007-07-09 2012-12-12 上海三菱电梯有限公司 电梯装置的拉伸组件及其电梯装置
CN101372814B (zh) * 2007-08-24 2012-10-03 上海三菱电梯有限公司 电梯装置的缆索及电梯装置
CN101456510B (zh) * 2007-12-14 2010-09-15 上海三菱电梯有限公司 电梯装置
JP2009167545A (ja) * 2008-01-11 2009-07-30 Toshiba Elevator Co Ltd ワイヤロープ
GB2458001B (en) * 2008-01-18 2010-12-08 Kone Corp An elevator hoist rope, an elevator and method
EP2361212B1 (fr) * 2008-12-22 2014-02-12 Inventio AG Moyen porteur d'ascenseur, procédé de fabrication d'un tel moyen porteur et installation d'ascenseur dotée d'un tel moyen porteur d'ascenseur
FI125134B (fi) * 2010-04-12 2015-06-15 Kone Corp Hissi
FI20100223A0 (fi) * 2010-05-28 2010-05-28 Kone Corp Menetelmä ja hissijärjestely
KR20130125797A (ko) * 2010-12-22 2013-11-19 오티스 엘리베이터 컴파니 엘리베이터 서스펜션 및/또는 구동 장치
JP5746416B2 (ja) * 2011-03-21 2015-07-08 オーチス エレベータ カンパニーＯｔｉｓ Ｅｌｅｖａｔｏｒ Ｃｏｍｐａｎｙ エレベータの引張部材
US9731938B2 (en) 2011-04-14 2017-08-15 Otis Elevator Company Coated rope or belt for elevator systems
FI20116190L (fi) * 2011-11-28 2013-05-29 Kone Corp Hissijärjestely ja menetelmä
EP2767496B1 (fr) * 2013-02-14 2017-03-29 KONE Corporation Ascenseur
CN104724577A (zh) * 2013-12-18 2015-06-24 黄立成 带有兼具信号传输和曳引传动的牵引构件的电梯系统
CN104179050B (zh) * 2014-08-19 2016-08-24 浙江西传电气科技有限公司 一种扁平钢丝绳芯提升带
CN104444729A (zh) * 2014-11-04 2015-03-25 黄立成 三位一体的电梯曳引系统
CN104452373A (zh) * 2014-11-26 2015-03-25 胡国良 曳力绳与曳力绳制备方法
EP3243785B1 (fr) * 2016-05-11 2021-04-07 KONE Corporation Corde, agencement d'ascenseur et ascenseur
CN108726318A (zh) * 2017-04-20 2018-11-02 奥的斯电梯公司 具有织物受拉构件的电梯系统带
EP3645785B1 (fr) 2017-06-27 2024-06-19 Bekaert Advanced Cords Aalter NV Toron de renforcement destinée à renforcer un article polymère
EP3645442B1 (fr) 2017-06-27 2024-05-22 Bekaert Advanced Cords Aalter NV Courroie renforcée par des fils d'acier
US10669126B2 (en) 2017-08-28 2020-06-02 Otis Elevator Company Fiber belt for elevator system
US11591186B2 (en) * 2018-08-06 2023-02-28 Otis Elevator Company Belt with layered load bearing elements
CN110130131B (zh) * 2019-05-15 2024-02-06 中国恩菲工程技术有限公司 矿井提升复合带
US20240076164A1 (en) * 2022-09-02 2024-03-07 Otis Elevator Company Elevator load bearing member with conductive adhesive

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Also Published As

Publication number Publication date
CN1289378C (zh) 2006-12-13
WO2004037702A1 (fr) 2004-05-06
KR100680926B1 (ko) 2007-02-08
KR20040068177A (ko) 2004-07-30
JP4292151B2 (ja) 2009-07-08
EP1555233A4 (fr) 2011-05-11
JPWO2004037702A1 (ja) 2006-02-23
EP1555233A1 (fr) 2005-07-20
WO2004037702A9 (fr) 2004-12-02
CN1558865A (zh) 2004-12-29

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