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EP1914186B1 - Méthode et dispositif pour tester les moyens de suspension d'appareils élévateur - Google Patents

Méthode et dispositif pour tester les moyens de suspension d'appareils élévateur Download PDF

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Publication number
EP1914186B1
EP1914186B1 EP06021859A EP06021859A EP1914186B1 EP 1914186 B1 EP1914186 B1 EP 1914186B1 EP 06021859 A EP06021859 A EP 06021859A EP 06021859 A EP06021859 A EP 06021859A EP 1914186 B1 EP1914186 B1 EP 1914186B1
Authority
EP
European Patent Office
Prior art keywords
sensor
sensor device
unit
lift
lift cage
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
EP06021859A
Other languages
German (de)
English (en)
Other versions
EP1914186A1 (fr
Inventor
Hans-Ferdinand V. Scholley
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.)
ThyssenKrupp Aufzugswerke GmbH
Original Assignee
ThyssenKrupp Aufzugswerke 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 ThyssenKrupp Aufzugswerke GmbH filed Critical ThyssenKrupp Aufzugswerke GmbH
Priority to ES06021859T priority Critical patent/ES2348376T3/es
Priority to AT06021859T priority patent/ATE478821T1/de
Priority to EP06021859A priority patent/EP1914186B1/fr
Priority to DE502006007741T priority patent/DE502006007741D1/de
Publication of EP1914186A1 publication Critical patent/EP1914186A1/fr
Application granted granted Critical
Publication of EP1914186B1 publication Critical patent/EP1914186B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
    • B66B7/1207—Checking means
    • B66B7/1215—Checking means specially adapted for ropes or cables
    • B66B7/123—Checking means specially adapted for ropes or cables by analysing magnetic variables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/001—Arrangement of controller, e.g. location
    • B66B11/002—Arrangement of controller, e.g. location in the hoistway
    • B66B11/0025—Arrangement of controller, e.g. location in the hoistway on the car

Definitions

  • the present invention relates to a method and a car unit with a device for supporting means testing of hoists according to the preambles of the independent claims 1 and 4, respectively.
  • Lifting means of lifting equipment in particular hoisting ropes of elevator installations, do not constitute durable components. Rather, they have only a limited service life. For this reason, the condition of the suspension elements in hoists must be checked at regular intervals.
  • a visual inspection includes the counting of externally visible wire breaks and their evaluation regarding the detection of the Ablegereife the suspension means according to DIN 15020.
  • Counting the wire breaks proves to be extremely time-consuming, depending on the delivery height. Moreover, due to poorly detectable wire breaks, the result depends on the particular accuracy of the examining expert, which may be, for example, conditional can by its visual acuity or care. The visual inspection is made even more difficult in today's engine-room-less elevators, that it must be performed in the shaft pit or from the car roof in the shaft in low light conditions.
  • metrological test methods are known from the mountain railway sector which make it possible to evaluate a rope condition by means of a sensor system. Magnetic-inductive measurements should be mentioned in this context in particular.
  • the wire ropes go through a magnetic field, which undergoes a change in the occurrence of wire breaks. These changes are detected by means of measuring coils or Hall sensors, and evaluated in an evaluation unit.
  • the known measuring techniques are very expensive and require a high metrological effort.
  • the WO 2005/040028 A1 shows an apparatus for testing aramid fiber elevator ropes.
  • the device comprises a transmitter for outputting acoustic waves and at least two receivers for receiving the waves.
  • the transmitter which gives vibrations to the rope, is placed on the rope at one point.
  • one or more receivers are placed on the rope, which evaluate the vibrations transmitted via the rope. From the determined transfer duration and the rope length a residual strength of the rope can be calculated. A test of steel cables is not possible with the device shown.
  • sensitive and costly sensor units for measuring wire breaks only have to be installed temporarily on an elevator installation, while an evaluation unit, which can be integrated in an elevator control, is permanently kept at the elevator installation. This minimizes the expense of an expert testing a lift installation, as he only has to position the sensor device at a designated location on the lift installation.
  • the maintenance costs for elevator installations are minimized overall since one sensor unit can be used for a plurality of individual elevator installations.
  • a holder is permanently held on the hoist, to which the sensor device to be temporarily positioned can be attached. With such a holder, the position of the sensor device can be clearly specified, whereby the effort for an operator or a elevator expert is reduced.
  • the sensor signals are transmitted in un-evaluated and / or at least partially evaluated form, as well as additionally or alternatively the information regarding the Ablegereife the suspension means to a provided remote from the hoist service center.
  • a remote diagnosis from a maintenance center is possible in addition to or as an alternative to an on-site inspection.
  • determined data can be stored there centrally, or in case of doubt by a specialist to be evaluated.
  • the sensor unit uses a magnetically inductive method to provide the sensor signals.
  • Such methods are relatively inexpensive to perform appropriately usable sensor devices prove to be in practice as inexpensive, robust and reliable.
  • the evaluation unit is integrated in a microprocessor control of the hoist.
  • the evaluation device can thus be designed essentially in terms of software, whereby additional costs can be minimized.
  • the microprocessor control of a hoist designed as an elevator system is mounted on or in a car unit of the elevator installation, wherein the car unit is further formed with the holder and at least one interface for connecting the sensor device to the evaluation unit.
  • An embodiment of the holder on the car proves to be very favorable for a variety of cable guides of elevator systems, since in this case a particularly large part of the total cable length can be guided past the sensor device.
  • the inventively usable sensor devices are hinged, divisible or partially openable formed.
  • the introduction of cables to be tested, in particular a plurality of simultaneously to be tested ropes, in the sensor devices in a particularly simple manner bewerkstelligbar.
  • the sensor devices which can be used according to the invention have a number of sensors, so that a corresponding number of cables of an elevator installation can be tested simultaneously.
  • the sensor device or individual sensors of the sensor device are mounted horizontally movably on the holder permanently provided on the hoist.
  • ropes can be tested, which have a variable distance to the car along the length of an elevator shaft.
  • an elevator system is generally designated 10.
  • the elevator installation 10 has an engine compartment 14 provided above an elevator shaft 12.
  • a drive 16 is provided, which via a traction sheave 18 and elevator cables 20 a car and a counterweight (in the illustration of the FIG. 1 not shown) drives.
  • a control cabinet 22 is further provided, in which a control device 24 of the elevator system is provided.
  • the control device comprises an evaluation unit 2, which serves to evaluate signals of a sensor device 1.
  • the sensor unit 1 is used, as will be explained further below, to check the discard condition of the elevator ropes 20.
  • evaluation unit 2 is also independent of the control device 24, d. H. as a separate component can be provided.
  • the sensor device 1 is attachable to a permanently mounted in the engine room 14 bracket 4.
  • the holder 4 may, for example, on the housing of the drive Be provided 16, or on the floor 14a of the engine compartment 14, in particular in the immediate vicinity of a bottom opening 14b, through which the driven by the traction sheave 18 elevator cables 20 extend.
  • the transmission of measured data determined by the sensor device 1 to the evaluation unit 2 can take place via a correspondingly formed line in the engine room (not shown) or also wirelessly.
  • corresponding interfaces or interfaces can be provided on the sensor device 1 and the evaluation unit 2.
  • FIG. 2 an efindungshunt positioning of a sensor device 1 and an evaluation unit 2 is shown on or in a designated 30 car.
  • the car 30 can be moved by being acted upon by the elevator cables 20 in an elevator shaft which is again denoted by 12.
  • the elevator cables 20 are guided below the car, and extend along the side walls of the car 30 upwards.
  • the sensor device 1 is (temporarily) attachable to a holder 4 permanently held on the car 30.
  • the holder is preferably attached to the roof 30a of the car in the region of one of the side edges 30b, 30c, where the ropes 20 pass by.
  • the holder 4 protrudes more or less over the edge 30b in order to enable a positioning of the sensor device 1 directly to the elevator cables.
  • the sensor device 1 expediently has a number of sensors corresponding to the number of elevator cables 20, as described below with reference to FIGS FIGS. 5 to 7 will be explained.
  • the evaluation unit 2 is provided in a control cabinet 22 which is mounted here within the car 30.
  • the evaluation unit 2 is again preferably designed as part of a control device or microprocessor control 24 of the elevator.
  • FIG. 2 illustrated embodiment is particularly, but not only, for engine roomless elevators.
  • FIG. 3 shows a partial view of an elevator shaft 12, wherein the drive 16 is mounted on a shaft wall 12a. As in the previously described embodiments, the drive 16 drives a traction sheave 18, via which cables 20 of the elevator are driven.
  • a holder permanently held in the elevator shaft 12, for example on the shaft wall 12a or the drive 16, serves for the temporary mounting of a sensor device 1 in the immediate vicinity of the elevator cables 20.
  • the sensor device 1 expediently again has a number of sensors which corresponds to the number of sensors Ropes 20 corresponds.
  • the evaluation unit 2 is in accordance with the embodiment FIG. 3 attached to the shaft wall 12a. As with the embodiments described above, this evaluation unit is provided in a control cabinet 22, and conveniently integrated in the control 24 of the elevator. The transmission of the measurement data of the sensor device 1 can in turn be accomplished via a corresponding line extending through the shaft 12, or wirelessly.
  • the arrangement of in FIG. 3 shown elevator components corresponds to that of a machine roomless elevator.
  • the positioning of the sensor unit 1 according to the embodiment of the FIG. 2 is, as mentioned, both for engine roomless lifts as well as with engine room trained elevators.
  • the invention is usable not only for traction sheave elevators, but rather for elevator systems using all types of ropes.
  • FIG. 4 is shown in a simplified schematic manner, a magnetic inductive sensor 40.
  • the sensor 40 has means 41 for generating a magnetic field and measuring means 42 for measuring a magnetic field change.
  • the magnetic field generating means 41 may comprise coils or permanent magnets.
  • As measuring means 42 are also coils, or Hall sensors can be used.
  • the magnetic field generating means have two parts 41a, 41b which can be positioned against one another, which are each formed with a semicircular recess.
  • the measuring means 42 are shaped according to the shape of these recesses.
  • the illustrated sensor 40 is used to perform a magnetic inductive test method. It should be noted that optical, high-frequency or fluoroscopic Test method can be used with appropriately trained sensors in the context of the present invention.
  • the magnetic field generating means 41 and the measuring means 42 are shaped such that an elevator cable 20 can be guided past the sensor 40 in the greatest possible proximity.
  • the sensor 40 has a through hole 44 through which an elevator rope can pass. The hole is formed by positioning the two semicircular recesses of the parts 41a, 41b against each other.
  • the through hole 44 may be dimensioned such that it can accommodate several or all lift cables of an elevator installation. However, it is preferred to dimension the through hole 44 such that its diameter is slightly larger than a diameter of one of the cables 20 to be tested.
  • a plurality of sensors 44 are expediently combined to form a sensor device or a sensor head 1.
  • Various embodiments of such sensor units are in the FIGS. 5 to 7 shown.
  • the magnetic field generating means 41 are shown here.
  • the measuring means 42 has been omitted.
  • the sensor unit 1 divisible into two parts 1a, 1b.
  • FIG. 5a shows a test position, in which both parts 1a, 1b abut each other.
  • FIG. 5b the two parts 1a, 1b are shown in their mounting position, in which ropes 20 in the individual holes 44 and recesses can be introduced.
  • An assembly of the sensor unit 1 on the respective holder 4 can in this case be configured such that first of all the first part 1a is fastened to the holder. Subsequently, the ropes are introduced into the respective recesses, whereafter the second part 1b, including the ropes in the recesses or the holes 44 formed by them, is brought to the first part.
  • FIGS. 6a, 6b show a corresponding sensor unit 1, in which the two parts 1a, 1b are formed against each other hinged.
  • the parts 1a, 1b are pivotally mounted at one end to a bracket 43.
  • the magnetic field generating means comprises a first part 1a and a number of further parts 1b 'to 1b'''.
  • This embodiment of a sensor device proves to be particularly useful when used in confined spaces. Furthermore, here the effort for mounting the sensor unit and for attaching elevator cables in the respective holes 44th be minimized according to a number of concrete elevator ropes.
  • the individual parts 1a, 1b, 1b '- 1b "" are by suitable means, for. B. screws or clamps can be fixed together.
  • the two parts 1a, 1b of the sensor unit 1 are, as in the Figures 8a, 8b shown, brought from opposite sides of the elevator cables 20 so that the cables 20 pass through the thus formed through holes 44, and attached to an end face on the holder 4. With this holder 4, a precise positioning of the sensor unit 1 with respect to the ropes 20 in a simple manner can be realized.
  • the sensor device 1 and / or individual sensors 40 of a sensor device to the permanently held holder 4 to mount horizontally movable, so that the sensor unit 1 and the individual sensors can follow the rope course.
  • the holder 4 may be formed for example with a rail guide.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Vehicle Body Suspensions (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Claims (11)

  1. Procédé pour tester des moyens de suspension, en particulier des câbles (20), d'un mécanisme de levage conçu sous la forme d'une installation d'ascenseur munie d'une unité de cabine (30), comportant les étapes suivantes consistant à :
    - agencer une unité d'évaluation (2) de manière permanente sur le mécanisme de levage, l'unité d'évaluation (2) étant conçue de manière intégrée dans une commande par microprocesseur, dans lequel la commande par microprocesseur est montée sur ou dans l'unité de cabine (30) de l'installation d'ascenseur,
    - agencer un dispositif de capteur (1) comportant au moins un capteur (40) de manière temporaire sur un support (4) prévu de manière permanente sur l'unité de cabine (30) afin de détecter des signaux de capteur servant de base pour un test de l'état d'usure des moyens de suspension sur le mécanisme de levage, dans lequel l'unité de cabine (30) est en outre conçue avec une interface de liaison entre le dispositif de capteur (1) et l'unité d'évaluation (2),
    - établir une interaction entre l'unité d'évaluation (2) agencée de manière permanente et le dispositif de capteur (1) agencé de manière temporaire afin d'évaluer les signaux de capteur détectés pour fournir une information concernant l'état d'usure des moyens de suspension.
  2. Procédé selon la revendication 1, dans lequel les signaux de capteur sont transmis sous une forme non évaluée et/ou au moins partiellement évaluée à un centre de services prévu à distance du mécanisme de levage, ainsi que, en plus ou en variante, l'information concernant l'état d'usure.
  3. Procédé selon l'une quelconque des revendications précédentes, dans lequel le dispositif de capteur (1) met en oeuvre un procédé magnéto-inductif pour détecter les signaux de capteur.
  4. Procédé selon l'une quelconque des revendications précédentes, dans lequel l'unité d'évaluation (2) est conçue de manière intégrée dans la commande d'ascenseur.
  5. Unité de cabine comportant un dispositif pour tester des moyens de suspension, en particulier de câbles (20), d'un mécanisme de levage conçu sous la forme d'une installation d'ascenseur avec l'unité de cabine (30), comportant :
    - une unité d'évaluation (2) agencée de manière permanente sur le mécanisme de levage, l'unité d'évaluation (2) étant conçue de manière intégrée dans une commande par microprocesseur, dans lequel la commande par microprocesseur est montée sur ou dans l'unité de cabine (30) de l'installation d'ascenseur,
    - un dispositif de capteur (1) comportant au moins un capteur (40) pouvant être temporairement agencé sur le mécanisme de levage afin de détecter des signaux de capteur servant de base pour un test de l'état d'usure de moyens de suspension du mécanisme de levage,
    - un support (4) conçu de manière permanente sur l'unité de cabine (30) pour une fixation temporaire du dispositif de capteur (1), dans lequel l'unité de cabine (30) est en outre conçue avec une interface de liaison entre le dispositif de capteur (1) et l'unité d'évaluation (2),
    - des moyens prévus dans l'unité d'évaluation (2) pour évaluer les signaux de capteur détectés afin de fournir une information concernant l'état d'usure des moyens de suspension lors de la mise en interaction de l'unité d'évaluation (2) et du dispositif de capteur (1).
  6. Unité de cabine selon la revendication 5, caractérisée par un bus de données, au moyen duquel des signaux de capteur non évalués ou au moins partiellement évalués peuvent être transmis à un centre de services, ainsi que, en plus ou en variante, des informations concernant le l'état d'usure des moyens de suspension.
  7. Unité de cabine selon l'une quelconque des revendications 5 ou 6, dans laquelle le dispositif de capteur (1) comporte au moins un capteur magnéto-inductif (40).
  8. Unité de cabine selon l'une quelconque des revendications 5 à 7, dans laquelle le dispositif de capteur (1) est conçu de manière à pouvoir se déplier, se séparer ou s'ouvrir partiellement.
  9. Unité de cabine selon l'une quelconque des revendications 5 à 8, dans laquelle une pluralité de capteurs (40) est agencée dans un dispositif de capteur (1) conçu sous la forme d'une tête de capteur, de telle sorte qu'un nombre correspondant de câbles d'une installation d'ascenseur peut être testé simultanément.
  10. Unité de cabine selon l'une quelconque des revendications 5 à 9 précédentes, dans laquelle le dispositif de capteur (1) et/ou des capteurs individuels (40) du dispositif de capteur (1) peuvent être montés de manière horizontalement mobile sur le support (4) prévu de manière permanente sur le mécanisme de levage.
  11. Unité de cabine selon l'une quelconque des revendications 5 à 10 précédentes, dans laquelle l'unité d'évaluation (2) est conçue de manière intégrée dans la commande d'ascenseur.
EP06021859A 2006-10-18 2006-10-18 Méthode et dispositif pour tester les moyens de suspension d'appareils élévateur Not-in-force EP1914186B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES06021859T ES2348376T3 (es) 2006-10-18 2006-10-18 Método y dispositivo para la comprobación de medios de suspensión de mecanismos de elevación.
AT06021859T ATE478821T1 (de) 2006-10-18 2006-10-18 Verfahren und vorrichtung zur tragmittelprüfung von hebezeugen
EP06021859A EP1914186B1 (fr) 2006-10-18 2006-10-18 Méthode et dispositif pour tester les moyens de suspension d'appareils élévateur
DE502006007741T DE502006007741D1 (de) 2006-10-18 2006-10-18 Verfahren und Vorrichtung zur Tragmittelprüfung von Hebezeugen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06021859A EP1914186B1 (fr) 2006-10-18 2006-10-18 Méthode et dispositif pour tester les moyens de suspension d'appareils élévateur

Publications (2)

Publication Number Publication Date
EP1914186A1 EP1914186A1 (fr) 2008-04-23
EP1914186B1 true EP1914186B1 (fr) 2010-08-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06021859A Not-in-force EP1914186B1 (fr) 2006-10-18 2006-10-18 Méthode et dispositif pour tester les moyens de suspension d'appareils élévateur

Country Status (4)

Country Link
EP (1) EP1914186B1 (fr)
AT (1) ATE478821T1 (fr)
DE (1) DE502006007741D1 (fr)
ES (1) ES2348376T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112007003707T5 (de) 2007-11-13 2010-09-23 Mitsubishi Electric Corp. Seiltestvorrichtung
DE102019004240B4 (de) 2019-06-18 2024-04-25 Mike Pfennig Gerät zur Prüfung von Stahldrahtseilen und Verfahren zu dessen Anwendung
CN112173912B (zh) * 2020-11-12 2024-05-24 山东科技大学 一种电梯制动轮磨损程度监测系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2521552A1 (de) * 1975-05-15 1976-12-02 Westfaelische Berggewerkschaft Geraet fuer die betriebliche pruefung von drahtseilen, insbesondere des untertagebergbaus, z.b. von foerderseilen
US5036277A (en) * 1987-11-23 1991-07-30 Crucible Societe Anonyme Method of and apparatus for detecting cross sectional area variations in an elongate object by the non-inductive measurement of radial flux variations
JPH06286957A (ja) * 1993-03-31 1994-10-11 Mitsubishi Denki Bill Techno Service Kk エレベーター用ロープの劣化検出方法
US6633159B1 (en) * 1999-03-29 2003-10-14 Otis Elevator Company Method and apparatus for magnetic detection of degradation of jacketed elevator rope
ITTS20000006A1 (it) * 2000-08-22 2002-02-22 Security Control Srl Controlli Dispositivo magneto-induttivo per il controllo delle funi multiple d'acciaio
US20020104715A1 (en) * 2001-02-07 2002-08-08 Vlad Zaharia Strategic placement of an elevator inspection device based upon system and component arrangement arrangement
US6923065B2 (en) * 2001-09-17 2005-08-02 Thyssen Elevator Capital Corp. Apparatus for testing aramid fiber elevator cables

Also Published As

Publication number Publication date
ES2348376T3 (es) 2010-12-03
EP1914186A1 (fr) 2008-04-23
DE502006007741D1 (de) 2010-10-07
ATE478821T1 (de) 2010-09-15

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