EP1748104B1 - Régulateur de vitesse d'ascenseurs - Google Patents

Régulateur de vitesse d'ascenseurs Download PDF

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Publication number
EP1748104B1
EP1748104B1 EP04742059A EP04742059A EP1748104B1 EP 1748104 B1 EP1748104 B1 EP 1748104B1 EP 04742059 A EP04742059 A EP 04742059A EP 04742059 A EP04742059 A EP 04742059A EP 1748104 B1 EP1748104 B1 EP 1748104B1
Authority
EP
European Patent Office
Prior art keywords
rope
sheave
belt
speed governor
governor
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.)
Not-in-force
Application number
EP04742059A
Other languages
German (de)
English (en)
Other versions
EP1748104A1 (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
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 Orona S Coop filed Critical Orona S Coop
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 speed governor comprising a belt which is 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 belt comprises ropes with 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 (belts), and generally smaller, lighter and less expensive governor systems, are used.
  • the 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 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.
  • 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).
  • EP-A-1213250 discloses a traction rope and also suggests that a rope of identical structure can optionally be used for the speed governor.
  • 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 includes a high-strength steel wire 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 present invention contemplates the belt 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 of less than 100 mm in the case of belts of any type.
  • the coefficient of friction between the materials of the belt and sheave is much greater than in traditional systems, being able to use planar surfaces for the belts, obtaining internal pressures in the belt which are clearly less than those of a traditional system.
  • 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 belt + 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 belt and sheave to levels which imply a maintenance-free system in practice.
  • the sheaves for use with the belt can have a planar, concave or convex surface.
  • Figure 1 shows a non-claimed 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 another non-claimed rope is shown in which 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 non-claimed rope shown in Figure 1 as it passes through the grooves (5, 5') of different metallic sheaves (2, 2') belonging to a 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.
  • the weight of a 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 belt in the acceleration and deceleration of the elevator.

Claims (5)

  1. Régulateur de vitesse d'ascenseurs comportant une courroie,
    caractérisé en ce que
    cette courroie comporte au moins deux câbles métalliques comprenant des fils d'acier (1) très résistants, ayant une résistance supérieure à 2000 N/mm2, rassemblés en faisceaux de câbles toronnés (3) qui forment des noyaux métalliques correspondants ayant un diamètre compris entre 0,01 mm et 2 mm et qui sont complètement revêtus d'un matériau polymère (2).
  2. Régulateur de vitesse conforme à la revendication 1,
    caractérisé en ce que
    la surface externe du matériau polymère de la courroie est une surface plane.
  3. Régulateur de vitesse conforme à la revendication 1,
    caractérisé en ce que
    la surface externe du matériau polymère de la courroie est une surface ondulée.
  4. Régulateur de vitesse conforme à l'une des revendications 1 à 3,
    caractérisé en ce qu'
    il comporte en outre une poulie ayant un diamètre de cercle primitif de fonctionnement inférieur ou égal à 100 mm.
  5. Ascenseur équipé d'un régulateur de vitesse conforme à l'une des revendications précédentes.
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 EP1748104A1 (fr) 2007-01-31
EP1748104B1 true 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)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
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
ES2341930B1 (es) * 2007-08-03 2011-05-25 Orona, S. Coop Elemento de fijacion compacto para cables de elevadores y aparato elevador que incorpora dichos elementos de fijacion.
ES2341743B1 (es) * 2007-08-03 2011-04-28 Orona, S. Coop. Cable para aparattos elevadores y aparato elevador que comprende dicho cable.
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
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
FI125134B (fi) * 2010-04-12 2015-06-15 Kone Corp Hissi
FI125113B (fi) * 2010-04-30 2015-06-15 Kone Corp Hissi
JP5409905B2 (ja) * 2010-05-26 2014-02-05 三菱電機株式会社 エレベータ用ロープ
DE212010000222U1 (de) * 2010-10-01 2013-02-25 Jean Mosettig Flexibles Band zusammengesetzt aus kunststoffumhüllten Drahtlitzen
WO2013051043A2 (fr) * 2011-10-04 2013-04-11 Gamba Davide Câble composite haute performance et système d'ancrage et de sécurité l'utilisant
FI124486B (fi) 2012-01-24 2014-09-30 Kone Corp Nostolaitteen köysi, köysijärjestely, hissi ja nostolaitteen köyden kunnonvalvontamenetelmä
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
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
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
EP3153446B1 (fr) * 2015-10-09 2018-10-03 KONE Corporation Dispositif de sécurité d'ascenseur
ITUB20154764A1 (it) 2015-10-27 2017-04-27 Davide Gamba Nuovo dispositivo di sicurezza a cavo scorrevole per condutture in pressione o sistemi o apparecchiature simili
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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Also Published As

Publication number Publication date
US20070221452A1 (en) 2007-09-27
ES2253981A1 (es) 2006-06-01
KR20070047242A (ko) 2007-05-04
CN1973082A (zh) 2007-05-30
CN1973082B (zh) 2011-01-19
ATE546583T1 (de) 2012-03-15
RU2006143639A (ru) 2008-06-20
PT1748104E (pt) 2012-03-15
JP2007536186A (ja) 2007-12-13
EP1748104A1 (fr) 2007-01-31
MXPA06012983A (es) 2007-05-04
BRPI0418768A (pt) 2007-10-09
ES2379353T3 (es) 2012-04-25
WO2005108672A1 (fr) 2005-11-17
ES2253981B1 (es) 2007-06-16
BRPI0418768B1 (pt) 2015-01-20

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