EP1748104A1 - Cable et courroie pour limitateur de vitesses d'ascenseurs et poulies associees - Google Patents

Cable et courroie pour limitateur de vitesses d'ascenseurs et poulies associees Download PDF

Info

Publication number
EP1748104A1
EP1748104A1 EP04742059A EP04742059A EP1748104A1 EP 1748104 A1 EP1748104 A1 EP 1748104A1 EP 04742059 A EP04742059 A EP 04742059A EP 04742059 A EP04742059 A EP 04742059A EP 1748104 A1 EP1748104 A1 EP 1748104A1
Authority
EP
European Patent Office
Prior art keywords
rope
sheave
speed governor
diameter
belt
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
EP04742059A
Other languages
German (de)
English (en)
Other versions
EP1748104B1 (fr
Inventor
Iñaki ARANBURU AGIRRE
Miguel Angel Madoz Michaus
Juan Manuel PAGALDAY ERAÑA
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.)
Orona S Coop
Original Assignee
Coop Orona S
Orona S Coop
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 Coop Orona S, Orona S Coop filed Critical Coop Orona S
Publication of EP1748104A1 publication Critical patent/EP1748104A1/fr
Application granted granted Critical
Publication of EP1748104B1 publication Critical patent/EP1748104B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D07B1/22—Flat or flat-sided ropes; Sets of ropes consisting of a series of parallel ropes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • 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
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/1004—General structure or appearance
    • D07B2201/1008—Several 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
    • D07B2201/2047—Cores
    • D07B2201/2052—Cores characterised by their structure
    • D07B2201/2055—Cores characterised by their structure comprising filaments or fibers
    • 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
    • D07B2201/2047—Cores
    • D07B2201/2052—Cores characterised by their structure
    • D07B2201/2059—Cores characterised by their structure comprising wires
    • D07B2201/2061—Cores characterised by their structure comprising wires resulting in a twisted structure
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2046—Polyamides, e.g. nylons
    • D07B2205/205—Aramides
    • 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 rope, a belt and their associated sheaves which are applicable in a speed governor system for lifting installations the function of which consists of transmitting stress from the speed governor system to the mechanical means in charge of stopping the elevator with its passengers due to any type of uncontrolled movement.
  • the rope or belt has a high tensile strength so as to reduce the diameter of said rope without compromising the operating reliability of the governor and therefore of the installation, achieving that lighter, less expensive and more manageable tension transmitting elements (ropes or belts), and generally smaller, lighter and less expensive governor systems, are used.
  • the rope or belt has a high fatigue strength under bending cycles such as those occurring when it passes through the sheave or sheaves included in the governor system so as to reduce the diameter of said sheaves and thus reduce the space occupied by the governor, gaining space occupied by the installation in the shaft and hence in the building, reducing the weight of all the components as well as achieving that the reliability of the systems is greater when the sheave rotates at a higher speed.
  • Another object of the invention is that the rope or belt has a coefficient of friction with the sheave of the governor which is clearly greater than that of conventional systems so as to use sheaves with less aggressive grooves maintaining the necessary traction capacity in the sheave, thereby achieving that the rope or belt is affected less by said sheave, increasing its useful life, possibly becoming a maintenance-free system.
  • a speed governor system In a first type of design, which has traditionally been the most used design, a speed governor system is located at a fixed point of the installation.
  • the governor system has a main sheave on which the rope in charge of transmitting the actuation stress circulates, and it may also have deflection sheaves. They also have tension sheaves ensuring tension in the rope of the system. After the rope passes through the entire sheave assembly, it is finally fixed to the moving element the overspeed of which is to be protected.
  • This tension will at least be the minimum required so that in the moment that the system is activated, the rope (usually by friction in the groove of the governor system) is able to transmit the necessary stress to the component in charge of stopping the moving unit (usually a safety gear the activation of which stops the moving unit and keeps it in the elevator guide rails).
  • the rope therefore forms a closed loop which starts and ends in the moving unit such that the linear movement of the moving unit causes the rotation of the sheaves of the governor system and the deflection sheaves.
  • the governor is integrally joined to the element to be controlled (moving unit) and the rope is arranged in a single length with a weight at the lower end which is the weight that will provide tension thereto.
  • the translation of the moving element also makes the speed governor system rotate.
  • This same governor system is able to activate itself the safety gear element, i.e. by means of a rotation and translation which would occur in the governor element in the event of overspeed, translation and/or rotation movements would occur in the governor system which would directly activate the safety gear element.
  • This design allows obtaining a contact angle of the rope on the sheave of values between 180 and 300° increasing the system traction capacity (T1/T2).
  • the activation of the emergency braking elements requires the governor to exert a minimum force on said elements, which is 300 N or twice the force necessary to activate the braking elements.
  • This process is expensive since it requires specific materials due to its very nature and due to the quality control required after it is applied.
  • the present invention relates to a high-strength steel wire rope or belt coated with a polymeric material, for example polyurethane, applicable for speed governors detecting the overspeed in lifting installations and transmitting the necessary stress to activate the emergency braking means associated to said lifting installations.
  • a polymeric material for example polyurethane
  • the wires can be in turn clustered into strands which are clustered around a central strand consisting of wires or of a high-strength textile or synthetic material such as Kevlar.
  • the present invention contemplates them having at least two metallic ropes comprising high-strength steel wires with strength greater than 2000 N/mm 2 clustered into strands forming a metallic core having a diameter comprised between 0.01 and 2 mm and which are completely coated by a polymeric material. It has been provided that the outer surface of polymeric material of the belt can have a planar surface or an undulated surface.
  • the sheave of the safety system can have a reduced diameter.
  • the reduction of the diameter of the sheave of the safety system makes the entire system smaller, occupying less space in the shaft and also in the building.
  • the size reduction further makes all the elements be lighter and less expensive.
  • the present invention operates correctly with acceptable safety levels or safety levels exceeding said traditional systems with sheave pitch diameters that are less than or equal to 150 mm in the case of rope with a circular section and pitch diameters of less than 100 mm in the case of belts of any type.
  • high-strength steel ropes allow a smaller D/d ratio than usual, also maintaining an acceptable safety level, further contributing to the reduction of the sheave pitch diameter D.
  • the present invention makes an assembly formed by rope (or belt) and sheave work with the rope (or belt) provided with polymeric material coating.
  • the coefficient of friction between the materials of the rope (or belt) and sheave is much greater than in traditional systems, being able to use planar surfaces for the belts and sheaves with semicircular grooves for a circular rope, obtaining internal pressures in the rope which are clearly less than those of a traditional system.
  • This allows reducing the D/d parameter to values less than 30, obtaining safety levels which are equal to or greater than conventional systems with ratios between 20 and 30.
  • the lubrication remains inside and is not dispersed by the installation with time and in the course of the cycles of the rope on the sheave, contributing to better lubricating the inner wires and strands, increasing fatigue strength of the rope + governor system.
  • the polymeric coating prevents the outer metallic strands from rubbing against the groove of the sheave, preventing any abrasion and wear of the outer wires as a result of the intermediate layer of elastic material, increasing the life of the rope and sheave to levels which imply a maintenance-free system in practice.
  • circular rope implies the use of a sheave with a planar, convex or concave surface.
  • the mentioned circular rope can be used with different groove geometries, but the fact that it is a rope coated with a polymeric material provides it with a high coefficient of friction with the groove of the sheave of the speed governor element to which it is associated, which means that grooves which are rather non-aggressive with the rope can be used, such as semicircular or perforated semicircular grooves.
  • This type of grooves prolongs the life of the rope given that the pressure between rope and sheave is more uniformly distributed than with other geometries, and pressure concentration areas which can damage the cable after a low number of cycles are not produced. This greatly increases the expected life of the rope and allows reducing or even eliminating the cost of maintenance activities.
  • the sheaves can have a planar, concave or convex surface.
  • the sheave can be made of a metallic material and can have in its groove a synthetic material coating, and that the metallic rope has no coating.
  • Figure 1 shows a metallic wire rope coated with a polymeric material layer.
  • the rope comprises an assembly of metallic wires (1), usually made of steel, clustered according to geometric designs having certain sections which are subsequently rotated to form a helix, forming a strand (3).
  • the wires (1) forming a strand (3) can be identical, as shown in Figure 1, or different. It is common for the wires to be concentrically clustered, forming layers.
  • the different strands (3) are in turn clustered following a clustering scheme parallel to the one described in the previous paragraph, i.e. being arranged in a certain fashion in a section and subsequently rotating to form a helix of strands in the same fashion that a strand is formed by means of a helix of wires.
  • Figure 1 shows the strands of wires distributed around a central strand of wires
  • Figure 2 the central metallic strand has been replaced with a central strand (4) of a textile material or of a high-strength synthetic material such as Kevlar or the like.
  • the metallic core of the rope formed by the cluster of strands (3) is surrounded by a polymeric material coating (2), for example polyurethane, having a circular outer section with a diameter close to but somewhat greater than the larger diameter of the metallic core, and therefore completely coating it without significantly increasing the diameter of the core.
  • a polymeric material coating (2) for example polyurethane
  • Figure 3 represents the rope shown in Figure 1 as it passes through the grooves (5, 5') of different metallic sheaves (2, 2') belonging to an speed governor of the type used in lifting apparatuses.
  • These sheaves can have different groove (5, 5') geometries, although given the features of the rope object of the invention, the use of grooves that are not aggressive, such as semicircular grooves (5) or notched semicircular grooves (5'), is preferred.
  • the grooves normally used in the conventional speed governor element are notched semicircular grooves with BETA groove angles between 100° and 105°, V-shaped grooves with or without surface hardening treatment with a GAMMA groove angle between 35 and 40°.
  • a specific pressure in the cable is provided having a value between 3.5 and 7 N/mm 2 , depending on the tension coming from the tension sheave.
  • the present invention has specific pressures on said inner ropes having a value between 3 to 5 times less under the same use conditions as the previously described practical cases so as to obtain a traction capacity similar to that obtained in said examples.
  • This value is similar to or less than those obtained in traditional systems, and this together with the benefits of being a coated rope would ensure a useful life of the system which is similar to or greater than a conventional governor system.
  • Figures 5 and 6 show a metallic rope of a governor system formed by wires with a strength greater than 2000 N/mm 2 and the outer diameter of which is less than or equal to 5 mm and is not coated with any material.
  • This rope passes through the groove of the sheave of the governor element which is metallic with a coating of a synthetic material, such as polyurethane or resins for example, with a design increasing the coefficient of friction between rope and sheave.
  • the weight of a rope or belt object of the present invention is less than that of conventional ropes and has values between 0.04 and 0.1 kg/m. This reduces the effects of inertia for moving the mass of the rope in the acceleration and deceleration of the elevator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Pulleys (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
EP04742059A 2004-05-10 2004-07-12 Régulateur de vitesse d'ascenseurs Not-in-force EP1748104B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200401118A ES2253981B1 (es) 2004-05-10 2004-05-10 Cable y cinta para limitador de velocidad de ascensores y poleas asociadas.
PCT/ES2004/000331 WO2005108672A1 (fr) 2004-05-10 2004-07-12 Cable et courroie pour limitateur de vitesses d'ascenseurs et poulies associees

Publications (2)

Publication Number Publication Date
EP1748104A1 true EP1748104A1 (fr) 2007-01-31
EP1748104B1 EP1748104B1 (fr) 2012-02-22

Family

ID=35320256

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04742059A Not-in-force EP1748104B1 (fr) 2004-05-10 2004-07-12 Régulateur de vitesse d'ascenseurs

Country Status (12)

Country Link
US (1) US20070221452A1 (fr)
EP (1) EP1748104B1 (fr)
JP (1) JP2007536186A (fr)
KR (1) KR20070047242A (fr)
CN (1) CN1973082B (fr)
AT (1) ATE546583T1 (fr)
BR (1) BRPI0418768B1 (fr)
ES (2) ES2253981B1 (fr)
MX (1) MXPA06012983A (fr)
PT (1) PT1748104E (fr)
RU (1) RU2006143639A (fr)
WO (1) WO2005108672A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2020399A1 (fr) * 2007-08-03 2009-02-04 Orona, S. Coop. Elément de fixation pour un cable d'ascenseur
EP2020398A1 (fr) 2007-08-03 2009-02-04 ORONA S. Coop. Câble pour appareils élévateurs et appareil élévateur comprenant ledit câble
EP2253571A1 (fr) 2009-05-20 2010-11-24 Inventio AG Dispositif de serrage d'ascenseur et installation d'ascenseur dotée d'un tel dispositif de serrage d'ascenseur
WO2012042120A1 (fr) * 2010-10-01 2012-04-05 Jean Mosettig Bande flexible composée de torons métalliques gainés de plastique
WO2013051043A3 (fr) * 2011-10-04 2013-10-10 Gamba Davide Câble composite haute performance et système d'ancrage et de sécurité l'utilisant
EP2807105B1 (fr) 2012-01-24 2016-12-07 Kone Corporation Corde de dispositif de levage, agencement de corde, ascenseur et procédé de vérification de l'état de la corde d'un dispositif de levage
EP3153446A1 (fr) * 2015-10-09 2017-04-12 Kone Corporation Dispositif de sécurité d'ascenseur
US10220225B2 (en) 2014-06-10 2019-03-05 Davide Gamba Sliding rope safety device for roofs and the like, corresponding method for damping the stresses acting on a user of a rope safety device and guard rail with a sliding rope
US10480703B2 (en) 2015-10-27 2019-11-19 Davide Gamba Sliding cable safety device for conduits or similar equipments subject to pressure and corresponding installation including such safety device

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Publication number Priority date Publication date Assignee Title
ES2294944B1 (es) * 2006-09-25 2009-02-16 Orona S. Coop Elemento de suspension y traccion para aparatos elevadores y aparato elevador.
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
CN101349023B (zh) * 2008-08-27 2013-02-06 葛文国 升降电梯曳引带及传动方法
DE102008037536A1 (de) * 2008-11-10 2010-05-12 Contitech Antriebssysteme Gmbh Zugmittel, Zugmitteltrieb mit diesem Zugmittel und Aufzugsanlage
FI125134B (fi) * 2010-04-12 2015-06-15 Kone Corp Hissi
FI125113B (fi) * 2010-04-30 2015-06-15 Kone Corp Hissi
CN102906000B (zh) * 2010-05-26 2014-10-29 三菱电机株式会社 电梯用绳索
CN103434915B (zh) * 2013-08-29 2016-12-28 广州广日电梯工业有限公司 提升钢带以及包含该提升钢带的电梯提升系统
CN104495588B (zh) * 2014-12-19 2017-09-26 宁波永良电梯技术发展有限公司 曳引式电梯
EP3130554B1 (fr) * 2015-08-13 2021-11-24 KONE Corporation Ascenseur
JP2017100865A (ja) * 2015-12-03 2017-06-08 東芝エレベータ株式会社 ガバナ装置及びこれを備えたエレベータ装置
CN107700256A (zh) * 2017-10-12 2018-02-16 海瑞可（武汉）新材料有限公司 一种呈哑铃形电梯用牵引绳
CN114436089A (zh) * 2020-11-06 2022-05-06 奥的斯电梯公司 限速器组件和电梯

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2020399A1 (fr) * 2007-08-03 2009-02-04 Orona, S. Coop. Elément de fixation pour un cable d'ascenseur
EP2020398A1 (fr) 2007-08-03 2009-02-04 ORONA S. Coop. Câble pour appareils élévateurs et appareil élévateur comprenant ledit câble
ES2341743A1 (es) * 2007-08-03 2010-06-25 Orona, S. Coop. Cable para aparattos elevadores y aparatos elevador que comprende dicho cable.
ES2341930A1 (es) * 2007-08-03 2010-06-29 Orona, S. Coop Elemento de fijacion compacto para cables de elevadores y aparato elevador que incorpora dichos elementos de fijacion.
EP2253571A1 (fr) 2009-05-20 2010-11-24 Inventio AG Dispositif de serrage d'ascenseur et installation d'ascenseur dotée d'un tel dispositif de serrage d'ascenseur
WO2012042120A1 (fr) * 2010-10-01 2012-04-05 Jean Mosettig Bande flexible composée de torons métalliques gainés de plastique
WO2013051043A3 (fr) * 2011-10-04 2013-10-10 Gamba Davide Câble composite haute performance et système d'ancrage et de sécurité l'utilisant
US9175437B2 (en) 2011-10-04 2015-11-03 Davide Gamba High-performance composite cable rope and anchoring and safety system including such a composite cable rope
EP2807105B1 (fr) 2012-01-24 2016-12-07 Kone Corporation Corde de dispositif de levage, agencement de corde, ascenseur et procédé de vérification de l'état de la corde d'un dispositif de levage
US10220225B2 (en) 2014-06-10 2019-03-05 Davide Gamba Sliding rope safety device for roofs and the like, corresponding method for damping the stresses acting on a user of a rope safety device and guard rail with a sliding rope
EP3153446A1 (fr) * 2015-10-09 2017-04-12 Kone Corporation Dispositif de sécurité d'ascenseur
US10480703B2 (en) 2015-10-27 2019-11-19 Davide Gamba Sliding cable safety device for conduits or similar equipments subject to pressure and corresponding installation including such safety device

Also Published As

Publication number Publication date
WO2005108672A1 (fr) 2005-11-17
ES2253981B1 (es) 2007-06-16
ATE546583T1 (de) 2012-03-15
ES2253981A1 (es) 2006-06-01
CN1973082B (zh) 2011-01-19
ES2379353T3 (es) 2012-04-25
MXPA06012983A (es) 2007-05-04
PT1748104E (pt) 2012-03-15
US20070221452A1 (en) 2007-09-27
RU2006143639A (ru) 2008-06-20
KR20070047242A (ko) 2007-05-04
CN1973082A (zh) 2007-05-30
BRPI0418768B1 (pt) 2015-01-20
BRPI0418768A (pt) 2007-10-09
JP2007536186A (ja) 2007-12-13
EP1748104B1 (fr) 2012-02-22

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