EP1334943B1 - Aufzugssystem - Google Patents

Aufzugssystem Download PDF

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Publication number
EP1334943B1
EP1334943B1 EP00948243A EP00948243A EP1334943B1 EP 1334943 B1 EP1334943 B1 EP 1334943B1 EP 00948243 A EP00948243 A EP 00948243A EP 00948243 A EP00948243 A EP 00948243A EP 1334943 B1 EP1334943 B1 EP 1334943B1
Authority
EP
European Patent Office
Prior art keywords
strand
main cable
layer
wires
cross
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
EP00948243A
Other languages
English (en)
French (fr)
Other versions
EP1334943A4 (de
EP1334943A1 (de
Inventor
Takenobu Mitsubishi Denki Kabushiki Kaisha 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 EP1334943A1 publication Critical patent/EP1334943A1/de
Publication of EP1334943A4 publication Critical patent/EP1334943A4/de
Application granted granted Critical
Publication of EP1334943B1 publication Critical patent/EP1334943B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • 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
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/02—Machine details; Auxiliary devices
    • D07B7/14—Machine details; Auxiliary devices for coating or wrapping ropes, cables, or component strands thereof
    • D07B7/145—Coating or filling-up interstices
    • 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
    • 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
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2083—Jackets or coverings
    • D07B2201/2088—Jackets or coverings having multiple layers
    • 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
    • D07B2201/2089—Jackets or coverings comprising wrapped structures
    • 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 an elevator system, wherein a vertically-movable member is supported by a main cable made of a synthetic fiber rope, the rope comprising a plurality of strands made of twisted synthetic resin fibers.
  • a cable made of a synthetic fiber rope the rope being produced from synthetic resin fiber such as that described in, e.g., Japanese Patent Application Laid-Open No. 267534/1995 or EP 0672781 A1 , has hitherto been known as a cable for supporting a vertically-movable member of an elevator system.
  • a synthetic fiber rope made of strands each of the strands being constituted by twisting wires made of synthetic resin fiber, vacant spaces occupied by no wires arise among cross-sectional profiles of strands arranged adjacent to each other when viewed in cross section. These spaces pose a problem in terms of a synthetic fiber rope possessing required strength.
  • a vertically-movable member of an elevator system is supported by means of a main cable.
  • the main cable is constituted of a synthetic fiber rope having wires made of synthetic resin fiber provided therein with a high filling factor when viewed in cross section.
  • the main cable of the present invention is constituted, by means of forming a strand from an inner-layer sleeve-shaped strand which is to constitute the cross-sectional center of a main cable and surroundings thereof and from an outer-layer sleeve-shaped strand which is to be disposed fittingly outside the inner-layer sleeve-shaped strand, and by means of making the outer-layer sleeve-shaped strand thinner than the inner-layer sleeve-shaped strand.
  • wires made of synthetic resin fiber are provided in a strand with a high filling factor when viewed in cross section, and the cross-sectional strength of the main cable per unit area can be increased.
  • the number of main cables used for supporting the vertically-movable element can be reduced.
  • Equipment related to support of a main cable, such as a sheave can also be made compact.
  • the outer-layer sleeve-shaped strand is formed so as to become thinner than the inner-layer sleeve-shaped strand. As a result , the surface bending stress of the sleeve-shaped strands in respective layers when wound around a sheave can be made uniform, thereby elongating the life of the synthetic fiber rope.
  • the present invention relates to a main cable which is constituted by means of twisting wires and molding the thus-twisted wires with fiber adhesive resin material, thereby forming a sleeve-shaped strand.
  • a main cable which is constituted by means of twisting wires and molding the thus-twisted wires with fiber adhesive resin material, thereby forming a sleeve-shaped strand.
  • reference numeral 1 designates a drive sheave of a hoisting machine installed in an elevated position within a hoistway of an elevator system; and 2 designates a main cable.
  • the main cable is made of a synthetic fiber rope wound around the drive sheave 1, supports at one end a first vertically-movable member 3 constituting of a car, and supports at the other end a second vertically-movable member 4 constituting a counterweight.
  • Reference numeral 5 designates an inner-layer strand made of a plurality of twisted wires 6 consisting of synthetic resin fiber. A plurality of inner-layer strands 5 are twisted in a circular pattern when viewed in cross section, thereby forming core material of a synthetic fiber rope constituting the main cable 2.
  • Reference numeral 7 designates a filler strand of a synthetic fiber rope which has been twisted along with the inner-layer strand 5.
  • the filler strand 7 is made of a plurality of twisted wires 6 and is interposed between outer peripheries of the inner-layer strands 5 which constitute a circular outer periphery of the core material.
  • Reference numeral 8 designates inner-layer cladding material of a synthetic fiber rope.
  • the inner-layer cladding material is made of low-friction synthetic resin material reinforced by addition of reinforced fiber and is provided so as to surround the inner-layer strands 5 and the filler strands 7 when viewed in cross section.
  • Reference numeral 9 designates an outer-layer strand of a synthetic fiber rope.
  • the outer-layer strand is made of a plurality of twisted wires 6 and is formed from a fiber adhesive resin material into the shape of a sector when viewed in cross section.
  • a plurality of outer-layer strands 9 are twisted and arranged into a circular pattern such that surfaces of a sector aligned with the radii of the included arc remain in contact with those of adjacent sectors, thus forming an outer-layer section of a synthetic fiber rope constituting the main cable 2.
  • Reference numeral 10 designates outer-layer cladding material.
  • the outer-layer cladding material 10 is made of flexible synthetic resin reinforced by addition of reinforced fiber.
  • the outer-layer cladding material 10 is provided so as to surround the outer-layer strands 9 when viewed in cross section.
  • the cross-sectional profile of the outer-layer strand 9 formed from a plurality of wires 6, the wire being made of synthetic resin fiber, is made in the form of a sector.
  • a plurality of outer-layer strands 9 are twisted and arranged in such a pattern as shown in Fig. 2 such that surfaces of a sector aligned with the radii of the included arc remain in contact with those of adjacent sectors.
  • the wires 6 are provided in the outer-layer strand 9 with a high filling factor when viewed in the cross section of the synthetic fiber rope. Further, the inner-layer cladding material 8 and the outer-layer cladding material 10 are reinforced by addition of reinforced fiber. As a result, the cross-sectional strength of the main cable 2 per unit area can be increased. Consequently, the diameter of the main cable 2 supporting the vertically-movable member 3 or a like can be reduced, and the number of main cables can also be reduced, thereby curtailing manufacturing costs. Further, equipment related to support of the main cable 2, such as a sheave, can be made compact, thereby curtailing manufacturing costs.
  • reference numeral 11 designates a core material strand.
  • the core material is formed by means of twisting a plurality of wires 6 made of synthetic resin fiber and forms a core material of a synthetic resin rope constituting the main cable 2.
  • Reference numeral 12 designates an inner-layer sleeve-shaped strand.
  • the inner-layer sleeve-shaped strand is formed by means of twisting a plurality of wires 6 made of synthetic resin fiber.
  • the inner-layer sleeve-shaped strand 12 is arranged so as to fit the outer periphery of the core material strand 11 when viewed in cross section.
  • Reference numeral 13 designates an outer-layer sleeve-shaped strand.
  • the outer-layer sleeve-shaped strand is formed by means of twisting a plurality of wires 6 made of synthetic resin fiber.
  • the outer-layer sleeve-shaped strand 13 is arranged so as to fit the outer periphery of the inner-layer sleeve-shaped strand 12 when viewed in cross section.
  • Reference numeral 14 designates a sleeve-shaped surface strand.
  • the sleeve-shaped surface strand 14 is formed by means of twisting a plurality of wires 6 made of synthetic resin fiber and is arranged so as to fit around the outer periphery of the outer-layer sleeve-shaped strand 13 when viewed in cross section.
  • the main cable 2 made of the synthetic fiber rope is constructed by means of stacking sleeve-shaped strands, such as the inner-layer sleeve-shaped strand 12, into a multilayer when viewed in cross section.
  • the wires 6 are arranged with a high filling factor when viewed in cross section of the synthetic fiber rope.
  • the embodiment shown in Fig. 3 yields the same working operation as that yielded in the example shown in Fig. 2 , although its detailed explanation is omitted.
  • the sleeve-shaped multilayered stands are not fixed to each other and are arranged slidable so as to cause relative displacement, so as to prevent occurrence of an increase in flexion resistance in the main cable 2 wound around the sheave.
  • Adjacent sleeve-shaped strands are manufactured from resin materials which greatly differ in fusing temperature. As a result, there can be prevented occurrence of an anomalous state attributable to a temperature rise due to flexion resistance of the main cable 2.
  • the sleeve of the outer-layer strand is formed so as to become thinner than that of the inner-layer strand.
  • the surface bending stress of the sleeve-shaped strands in respective layers can be made uniform, thereby elongating the life of the synthetic fiber rope.
  • reference numeral 15 designates a main cable having a flat cross-sectional profile.
  • the main cable is made of a synthetic fiber rope wound around the drive sheave 1 to be described in detail later.
  • the main cable supports at one end the vertically-movable member 3 and at the other end the second vertically-movable member 4.
  • Reference numeral 16 designates a strand.
  • a plurality of strands are arranged side by side within a cross section of the main cable 15, thereby constituting a rectangular cross section of the main cable 15.
  • Reference numeral 17 designates an inner-layer strand.
  • the inner-layer strand 17 is formed by means of twisting a plurality of wires 6 made of synthetic resin fiber.
  • the inner-layer strands 17 constitutes a center section of each strand 16 in the direction of a short side of the rectangular cross section of the main cable 15.
  • Reference numeral 18 designates an outer-layer strand.
  • the outer-layer strand 18 is formed by means of twisting a plurality of wires 6 made of synthetic resin fiber.
  • the outer-layer strand 18 is disposed on either side of the inner-layer strand 17 and in line with a long side of the rectangular cross section of the main cable 15.
  • Reference numeral 19 designates outer-layer cladding material.
  • the outer-layer cladding material 19 is formed from flexible synthetic resin material which has been reinforced by addition of reinforced fiber.
  • the outer-layer cladding materials 19 surrounds the strands 16 disposed side by side when viewed in cross section, thereby constituting a surface of the main cable 15 in the direction of cross section.
  • the main cable 15 made of a synthetic fiber rope is constructed such that strands, such as inner-layer strands 17, are stacked in layers within the strand 16.
  • the wires 6 are provided with a high filling factor when viewed in cross section of the synthetic fiber rope.
  • strands within the strands 16 are not fixed to each other and are arranged to be slidable so as to cause relative displacement, so that there can be prevented occurrence of an increase in flexion resistance in the main cable 15 wound around the sheave.
  • Adjacent strands within the strands 16 are manufactured from resin materials which greatly differ in fusing temperature. As a result, there can be prevented occurrence of an anomalous state attributable to a temperature rise due to flexion resistance of the main cable 15.
  • the outer-layer strand 18 is formed so as to become thinner than the inner-layer strand 17.
  • the surface bending stress of the strands can be made uniform, thereby elongating the life of the synthetic fiber rope.
  • the cross-sectional profile of the main cable 15 is formed into the shape of a flat rectangle, the diameter of a sheave around which the main cable 15 is wound can be made smaller than that of a sheave around which a main cable having a circular cross-sectional profile is wound. As a result, the life of the main cable 15 can be elongated, and equipment relevant to suspension of the main cable 15. such as a sheave, can be made compact, thereby curtailing manufacturing costs.
  • the number of strands 16 arranged side by side, the number of outer-layer strands 18 stacked in layers in each strand 16, and the size of each strand 16 in the longitudinal direction of the rectangular cross section of the main cable 15 of the strand 16 are set, as required. Thereby, the required strength of the main cable 15 and the required bend radius of the main cable 15 can be readily satisfied.
  • reference numeral 20 designates a heating/thermal-insulating device; and 21 designates feeders disposed on one side of the heating/thermal-insulating device 20.
  • the feeders 21 supply fiber adhesive resin material or synthetic resin material for the outer-layer cladding material 10.
  • Reference numeral 22 designates a molding die disposed on the other side of the heating/thermal-insulating device 20 so as to oppose the feeders 21.
  • Reference numeral 23 designates pressure rollers interposed between the feeders 21 provided in the heating/thermal-insulating device 20 and the molding die 22.
  • Reference numeral 24 designates a cooler disposed adjacent to the heating/thermal-insulating device 20.
  • a chilled water feeder 25 is provided at a position in the cooler 24 opposing the molding die 22. Chilled water 26 is reserved in the cooler 24.
  • Reference numeral 27 designates strand core material to be supplied to the molding die 22; 6 designates wires corresponding to the previously-described. The wires 6 are supplied to the molding die 22 via the feeders 21 and the pressure rollers 23.
  • the strand core material 27 and the wires 6 are supplied to the molding die 22 via the feeders 21 for supplying fiber adhesive resin material and the pressure rollers 23.
  • the main cable is constituted of a synthetic fiber rope having wires made of synthetic resin fiber provided therein with a high filling factor when viewed in cross section.
  • the cross-sectional strength of the main cable per unit area can be increased, and the resultant main cable is useful as a cable to be wound around a drive sheave for supporting a vertically-movable member.
  • the present invention enables a reduction in the diameter of a main cable and the number of main cables to be used and is suitable for making equipment related to support of a main cable, such as a sheave, compact.
  • a strand is constituted of an inner-layer sleeve-shaped strand which is to constitute the cross-sectional center of a main cable and surroundings thereof, as well as of an outer-layer sleeve-shaped strand which is to be disposed fittingly outside the inner-layer sleeve-shaped strand.
  • the outer-layer sleeve-shaped strand is made thinner than the inner-layer sleeve-shaped strand, thus constituting a main cable.
  • wires made of synthetic resin fiber are provided in a strand with a high filling factor when viewed in cross section, and the cross-sectional strength of the main cable per unit area can be increased.
  • the resultant main cable is useful as a cable to be wound around a drive sheave for supporting a vertically-movable member.
  • the present invention enables a reduction in the diameter of a main cable and the number of main cables to be used and is suitable for making equipment related to support of a main cable, such as a sheave, compact.
  • the outer-layer sleeve-shaped strand is formed so as to become thinner than the inner-layer sleeve-shaped strand.
  • the present invention relates to a main cable which is constituted by means of twisting wires and molding the thus-twisted wires with fiber adhesive resin material thereby forming a sleeve-shaped strand.
  • a main cable which is constituted by means of twisting wires and molding the thus-twisted wires with fiber adhesive resin material thereby forming a sleeve-shaped strand.

Claims (2)

  1. Aufzugsystem, aufweisend:
    ein vertikal-bewegbares Element (3, 4), und
    ein Hauptseil (2), das aus einer synthetischen Faserleine ausgebildet ist und das vertikal-bewegbare Element (3, 4) trägt, wobei das Hauptseil (2) aufweist:
    einen Kernmaterialstrang (11),
    einen innenlagigen, mantelförmigen Strang (12), der die Querschnittsmitte des Hauptseils (2) bildet und derart eingerichtet ist, dass er zum Außenumfang des Kernmaterialstrangs (11) passt, und
    einen außenlagigen, mantelförmigen Strang (13), der außerhalb des innenlagigen, mantelförmigen Strangs (12) passend anzuordnen ist und dünner ausgeführt ist als der innenlagige, mantelförmige Strang (12), und bei dem
    sowohl der Kernmaterialstrang (11), der innenlagige, mantelförmige Strang (12) als auch der außenlagige, mantelförmige Strang (13) durch Verdrillen von aus einer synthetischen Harzfaser hergestellten Adern (6) hergestellt ist, und die Adern (6) mit einem hohem Füllfaktor innerhalb eines Querschnitts der synthetischen Faserleine vorgesehen sind.
  2. Aufzugsystem gemäß Anspruch 1, bei dem sowohl der innenlagige, mantelförmige Strang (12) als auch der außenlagige, mantelförmige Strang (13) durch Ausformen der Adern (6) mit einem faseranhaftenden Harzmaterial ausgebildet ist.
EP00948243A 2000-07-27 2000-07-27 Aufzugssystem Expired - Lifetime EP1334943B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/005013 WO2002010050A1 (fr) 2000-07-27 2000-07-27 Dispositif elevateur, et procede permettant de produire des cables principaux destines a des dispositifs elevateurs

Publications (3)

Publication Number Publication Date
EP1334943A1 EP1334943A1 (de) 2003-08-13
EP1334943A4 EP1334943A4 (de) 2007-02-14
EP1334943B1 true EP1334943B1 (de) 2011-03-09

Family

ID=11736297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00948243A Expired - Lifetime EP1334943B1 (de) 2000-07-27 2000-07-27 Aufzugssystem

Country Status (4)

Country Link
EP (1) EP1334943B1 (de)
CN (1) CN1189380C (de)
DE (1) DE60045717D1 (de)
WO (1) WO2002010050A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9725282B2 (en) 2005-11-02 2017-08-08 Otis Elevator Company Elevator load bearing assembly including different sized load bearing members

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KR100837466B1 (ko) * 2006-09-06 2008-06-12 미쓰비시덴키 가부시키가이샤 엘리베이터용 로프 및 그 제조 방법
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CN108046083B (zh) 2010-04-22 2020-02-21 蒂森克虏伯电梯股份有限公司 升降机悬架和传输条带
US9731938B2 (en) 2011-04-14 2017-08-15 Otis Elevator Company Coated rope or belt for elevator systems
FI123534B (fi) * 2012-02-13 2013-06-28 Kone Corp Nostolaitteen köysi, hissi ja menetelmä köyden valmistamiseksi
ES2609467T3 (es) * 2013-10-10 2017-04-20 Kone Corporation Cable para un dispositivo de elevación y ascensor
EP3015413B1 (de) * 2014-11-03 2017-08-09 KONE Corporation Hubseil und Hubvorrichtung
US10464249B2 (en) 2016-07-22 2019-11-05 Ehc Canada, Inc. Articles having composite member for inhibiting longitudinal stretch
WO2018198240A1 (ja) * 2017-04-26 2018-11-01 三菱電機株式会社 エレベータ、その懸架体、及びその製造方法
EP3677723A4 (de) * 2017-08-29 2021-05-26 Tokyo Rope Manufacturing Co., Ltd. Drahtseil, seilscheibe und trommel
US20200407911A1 (en) * 2018-03-15 2020-12-31 Future Fibres, LLC Multi-strand composite fiber tensioning cable
DE102018113466A1 (de) * 2018-06-06 2019-12-12 Aerodyn Consulting Singapore Pte Ltd Seil, insbesondere zur Abspannung von Komponenten einer Windenergieanlage
CN110282535A (zh) * 2019-07-11 2019-09-27 广东迈诺工业技术有限公司 一种新型耐久型热挤聚乙烯钢丝绳密闭式吊索
CN116323459A (zh) * 2020-10-20 2023-06-23 三菱电机株式会社 高强度纤维集合体、绳索、绳索结构体

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9725282B2 (en) 2005-11-02 2017-08-08 Otis Elevator Company Elevator load bearing assembly including different sized load bearing members

Also Published As

Publication number Publication date
DE60045717D1 (de) 2011-04-21
CN1376132A (zh) 2002-10-23
CN1189380C (zh) 2005-02-16
WO2002010050A1 (fr) 2002-02-07
EP1334943A4 (de) 2007-02-14
EP1334943A1 (de) 2003-08-13

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