EP2346770A1 - Système de traction pour un ascenseur - Google Patents

Système de traction pour un ascenseur

Info

Publication number
EP2346770A1
EP2346770A1 EP09783462A EP09783462A EP2346770A1 EP 2346770 A1 EP2346770 A1 EP 2346770A1 EP 09783462 A EP09783462 A EP 09783462A EP 09783462 A EP09783462 A EP 09783462A EP 2346770 A1 EP2346770 A1 EP 2346770A1
Authority
EP
European Patent Office
Prior art keywords
traction
traction system
individual cables
diameter
individual
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.)
Granted
Application number
EP09783462A
Other languages
German (de)
English (en)
Other versions
EP2346770B1 (fr
Inventor
Hubert Göser
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.)
ContiTech Antriebssysteme GmbH
Original Assignee
ContiTech Antriebssysteme GmbH
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 ContiTech Antriebssysteme GmbH filed Critical ContiTech Antriebssysteme GmbH
Publication of EP2346770A1 publication Critical patent/EP2346770A1/fr
Application granted granted Critical
Publication of EP2346770B1 publication Critical patent/EP2346770B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B15/00—Main component parts of mining-hoist winding devices
    • B66B15/02—Rope or cable carriers
    • B66B15/04—Friction sheaves; "Koepe" pulleys
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/39—Cord and rope holders
    • Y10T24/3909—Plural-strand cord or rope

Definitions

  • the invention relates to a traction system, in particular for an elevator installation, wherein the traction system has at least the following constituent parts, namely at least one traction means and at least one traction sheave and an elevator installation.
  • Traction systems for elevator systems are known per se.
  • a pulling means ropes but also belts are used, being used as belt both flat belt and V-ribbed belt or toothed belt.
  • each individual rope is uniquely assigned its own rope groove on the traction sheave. Each rope dives at least in part of its diameter in the corresponding rope groove. Each individual rope is an independent tension element and can also be operated individually. For higher outputs, either several ropes can be used in parallel, or the rope diameter is increased accordingly.
  • the single rope is thus not only traction means for transmitting the tensile forces, but is also directly involved in the transmission of traction forces.
  • Traction disc is transferable to the ropes.
  • the belt technology is still the connecting elastomeric material between the actual tension members and the traction disc.
  • the tension elements are thus exclusively responsible for transmitting the tensile forces.
  • wider belts or belts of higher performance class with larger belt pitch and stronger tension elements can be used.
  • the belts are generally wider than they are high to ensure a stable belt run on the pulley.
  • EP 1 396 458 A2 describes an elevator device in which a flat belt of elastomeric material reinforced with reinforcements is used as the traction means.
  • EP 1 555 234 B1 shows an elevator installation with a V-ribbed belt.
  • Belts offer over the ropes the advantage that on the one hand the handling is easier, because not individual ropes must be placed on corresponding grooves of the traction sheave, and that also small traction sheave diameter can be used without problems, since the embedded tension members usually have relatively small diameter.
  • belts are virtually maintenance-free as traction means, since no lubrication is erfoderlich.
  • the transferable force is but in addition to the friction between the traction disc and
  • Elastomer also on the quality of the embedding of the tension members in the elastomer, d. h., Depending on the adhesion between elastomer and tensile and the shear strength of the elastomer dependent.
  • a traction means for an elevator system which is formed as a profiled flat belt, so that the friction surface between the traction disc and belt available surface is slightly larger.
  • the transferable force is thus slightly higher than in a non-profiled flat belt, but here is the zone of power transmission between the traction sheave and traction means still clearly spaced from the tension members, so that the elastomeric material of the flat belt is relatively heavily subjected to shear.
  • the invention has for its object to provide a traction system of the type described, which is easy to handle, with high tensile forces are transferable and the traction means compared to the known belt technology allows a less broad-based drive unit.
  • the traction device of the traction system is designed as a composite rope, are sheathed in the parallel single ropes with a first diameter, each with an elastomer layer of a predetermined thickness to tensile carriers each having an overall diameter and the tension members by a one-sided elastomeric connector layer substantially are interconnected over their entire length, wherein the elastomeric connector layer is disposed on the side of the tension members which faces away from the groove engaging in the grooves of the traction sheave side, and the tensile carriers engage in corresponding grooves of the traction disc such that the immersion depth of the individual cables of the tension members in the grooves of the traction sheave is at least 25% of the diameter of the single ropes.
  • the composite rope is so easy to handle and is almost maintenance-free like a belt. Because of the directly into the grooves of the traction disc engaging traction carrier contacts at least the traction disc closest to the vertex of each tension member the traction sheave. The zone of power transmission between traction sheave and traction means is located directly in the engagement zone, whereby a high power transmission is given. Due to their small thickness, the shear strength of the sheath is of very little importance.
  • Thin ropes can be used so that small traction disc diameters and narrow traction discs are possible. For each compound rope only one connecting element for connection to the example to be lifted elements is necessary.
  • the thickness of the sheathing of the individual cables in the range of 0.2 - 2 mm.
  • the thickness of the sheathing of the individual ropes in the range of 0.5 - 1 mm.
  • the diameter of the individual ropes is between 1, 5mm and 8mm.
  • the diameter of the individual cables is between 1.8 and 5.5 mm.
  • the ratio of the diameter d of the individual cables to the thickness u of the sheathing d / u is greater than or equal to 3.
  • the thickness of the casing is so thin in relation to the diameter of the individual ropes that the properties of the casing play a particularly small role.
  • the sheath is formed of an elastomer which differs from the elastomer of the connector layer.
  • the elastomer or the elastomers is preferably a polyurethane or polyurethane.
  • Polyurethane has both good friction and good adhesion properties and is relatively insensitive to shear.
  • the sheathing of the individual cables has an outer contour facing the traction sheave whose cross-section is deviating from a partial circle shape.
  • the cross section of the outer contour is trapezoidal.
  • the cross section of the outer contour is square.
  • the cross section of the outer contour is conical.
  • the configuration of the cross sections of the casing in different geometries has the advantage that the composite rope is therefore adaptable to a large number of traction disk profiles.
  • the connector layer on its side facing away from the traction disc on a profiled surface.
  • This profiling is used to better guide the composite ropes when they must be performed over their back to pulleys.
  • each composite rope has at least four individual ropes.
  • the individual cables are arranged alternately between S and Z impact.
  • the number of individual ropes per compound rope is even.
  • the individual cables are made of steel.
  • Such an elevator system has the advantage that on the one hand the assembly is facilitated due to the good handling of the composite cables according to the invention, on the other hand, no wide-build traction drum is required.
  • the composite cable 1 shown in cross-section in FIG. 1 has four individual cables 2 with a diameter d, which are each sheathed with a sheath 3 with a thickness u of an elastomer to form tension members 4.
  • the tension members 4 are fixedly connected to one another with a connector layer 5, the connection being produced by vulcanization of the elastomeric jacket 3 to the connector layer 4 and the individual cables 2.
  • the composite rope 1 rests on a traction sheave 6, wherein the tension members 4 engage in grooves 7 of the traction sheave 6.
  • the connector layer 5 is arranged on the side of the tension members 4, which faces away from the traction sheave 6.
  • the tension members 4 engage in the grooves 7 of the traction sheave 6 in such a way that the individual cables 2 of the tension members 4 dip into the grooves 7 about 50% of their diameter.
  • 3 and 4 composite cables 1 are shown, the sheath 3 of the individual cables 2 have a deviating from the circular geometry. These Geometries improve the engagement of the composite ropes 1 in traction discs, not shown here, which have a different profile from the round shape.
  • correspondingly shaped composite cables 1 can also be used on traction discs of V-ribbed belts.
  • FIG. 5 shows a composite cable 8 which, on a back side remote from the traction sheave (not shown here), has a rib profile 9 consisting of spaced-apart longitudinal ribs 10. If required, the longitudinal ribs can engage corresponding deflection rollers (not shown here) and thus improve the guidance of the composite rope 8.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Ropes Or Cables (AREA)

Abstract

Système de traction comportant un moyen de traction (1), en particulier pour un ascenseur, le moyen de traction (1) pouvant être entraîné par une poulie de traction (6). L'objet de la présente invention est la mise au point d'un système de traction dont le moyen de traction est simple à manoeuvrer, et qui permet la transmission de forces de traction élevées, ledit moyen de traction permettant en outre l'utilisation d'une unité d'entraînement moins large par rapport à la technique de courroie connue. A cet effet, ledit moyen de traction est conçu sous forme de câble composite (1) dans lequel des éléments de traction (4) individuels, disposés parallèlement et gainés avec un matériau élastomère, sont reliés les uns aux autres par une couche de liaison élastomère (5) située d'un seul côté et les éléments de traction (4) s'engagent dans des rainures correspondantes (7) de la poulie de traction (6), la profondeur d'introduction des câbles individuels (2) des éléments de traction (4) dans les rainures (7) de la poulie de traction (6) correspondant à au moins 25 % du diamètre total (d) des câbles individuels (2).
EP09783462.6A 2008-11-10 2009-09-28 Système de traction pour un ascenseur Active EP2346770B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008037538A DE102008037538A1 (de) 2008-11-10 2008-11-10 Traktionssystem für eine Aufzugsanlage
PCT/EP2009/062503 WO2010052067A1 (fr) 2008-11-10 2009-09-28 Système de traction pour un ascenseur

Publications (2)

Publication Number Publication Date
EP2346770A1 true EP2346770A1 (fr) 2011-07-27
EP2346770B1 EP2346770B1 (fr) 2014-05-21

Family

ID=41338480

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09783462.6A Active EP2346770B1 (fr) 2008-11-10 2009-09-28 Système de traction pour un ascenseur

Country Status (5)

Country Link
US (1) US8794387B2 (fr)
EP (1) EP2346770B1 (fr)
CN (1) CN102209679B (fr)
DE (1) DE102008037538A1 (fr)
WO (1) WO2010052067A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007021434B4 (de) * 2007-05-08 2018-10-18 Contitech Antriebssysteme Gmbh Aufzugsanlagenzugmittel
ES2476260T3 (es) * 2008-11-14 2014-07-14 Otis Elevator Company Correa de ascensor y procedimiento de fabricación de la misma correspondiente
DE102010016872A1 (de) 2010-05-11 2011-11-17 Contitech Antriebssysteme Gmbh Riemen für die Antriebstechnik, insbesondere riemenartiges Zugelement für die Aufzugstechnik, mit brandhemmenden Eigenschaften
DE102012110769A1 (de) 2012-11-09 2014-05-15 Contitech Antriebssysteme Gmbh Riemen für die Antriebstechnik, insbesondere riemenartiges Zugelement für die Aufzugstechnik, mit brandhemmenden Eigenschaften
CN103835170A (zh) * 2013-01-18 2014-06-04 洛阳百克特工贸有限公司 一种加有倒钉的矿用扁钢丝绳尾绳
EP2985255B1 (fr) * 2014-08-11 2021-11-17 KONE Corporation Élévateur
CN105347136B (zh) * 2015-11-23 2018-09-18 江苏赛福天钢索股份有限公司 一种电梯用耐磨的提拉件
US10556775B2 (en) 2016-02-09 2020-02-11 Otis Elevator Company Surface construction of elevator belt
CN105752809A (zh) * 2016-03-29 2016-07-13 江南嘉捷电梯股份有限公司 一种曳引悬挂电梯
EP3243785B1 (fr) * 2016-05-11 2021-04-07 KONE Corporation Corde, agencement d'ascenseur et ascenseur
EP3323769A1 (fr) * 2016-11-16 2018-05-23 "Brugg" Drahtseil AG Entraînement par câble comprenant un élément de traction gainé
CN111201193A (zh) * 2017-10-17 2020-05-26 因温特奥股份公司 包括具备不同的沟槽几何形状的转向元件的电梯设备
US11814788B2 (en) * 2019-04-08 2023-11-14 Otis Elevator Company Elevator load bearing member having a fabric structure

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US3673883A (en) * 1971-02-03 1972-07-04 Uniroyal Inc Toothed power transmission belt and method of manufacturing the same
US3977265A (en) * 1975-06-02 1976-08-31 The Gates Rubber Company Positive drive belt system
US4151755A (en) * 1977-06-06 1979-05-01 Borg-Warner Corporation Power transmission belt
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Also Published As

Publication number Publication date
WO2010052067A1 (fr) 2010-05-14
DE102008037538A1 (de) 2010-05-12
CN102209679B (zh) 2015-06-17
CN102209679A (zh) 2011-10-05
US20110226562A1 (en) 2011-09-22
US8794387B2 (en) 2014-08-05
EP2346770B1 (fr) 2014-05-21

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