EP1103511B1 - Méthode et dispositif pour contrôler l'entraínement d'un treuil d' un appareil de levage - Google Patents

Méthode et dispositif pour contrôler l'entraínement d'un treuil d' un appareil de levage Download PDF

Info

Publication number
EP1103511B1
EP1103511B1 EP00124423A EP00124423A EP1103511B1 EP 1103511 B1 EP1103511 B1 EP 1103511B1 EP 00124423 A EP00124423 A EP 00124423A EP 00124423 A EP00124423 A EP 00124423A EP 1103511 B1 EP1103511 B1 EP 1103511B1
Authority
EP
European Patent Office
Prior art keywords
monitoring
determining
cable
lifting
lifting winch
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
EP00124423A
Other languages
German (de)
English (en)
Other versions
EP1103511A2 (fr
EP1103511A3 (fr
Inventor
Erwin Morath
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.)
Liebherr Werk Ehingen GmbH
Original Assignee
Liebherr Werk Ehingen 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 Liebherr Werk Ehingen GmbH filed Critical Liebherr Werk Ehingen GmbH
Publication of EP1103511A2 publication Critical patent/EP1103511A2/fr
Publication of EP1103511A3 publication Critical patent/EP1103511A3/fr
Application granted granted Critical
Publication of EP1103511B1 publication Critical patent/EP1103511B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54—Safety gear

Definitions

  • the invention relates to a monitoring device for monitoring the Hoisting winches, in particular cranes, with cable power means of determination for determining the rope forces acting on the hoist winch and an evaluation unit to determine the dynamic load of the hoist winch the rope forces and / or the remaining life according to the preamble of Claim 1.
  • the present invention is therefore based on the object to provide an improved device of the type mentioned, avoid the known from the prior art disadvantages. Especially should provide a simple, accurate and reliable record of the loads occurring achieved and preferably a comprehensive monitoring of Hubwinden ceremoniess be effected.
  • the torque-determining device preferably comprises a pressure detection device for detecting the pressure difference across the hydraulic motor of the hoist winch drive, a swallow volume detecting means and means for determining the torque of the hydraulic motor from the detected pressure difference and the swallow volume.
  • the pressure detection device can in particular have two pressure sensors on the upstream and downstream side of the Hydraulic motor are connected in the corresponding fluid circuit.
  • the fluid circuit can be both closed and open.
  • the swallow volume detector may consist of a block, which is associated with the actuating lever of the hydraulic motor and detects its angular position.
  • the angular position of the control lever is a measure of the displacement of the Hydromotors, which together with the pressure drop at the hydraulic motor Determined torque.
  • the swallow volume detection means from a module that measures the actuating current of a solenoid, with the the adjusting lever is actuated.
  • the actuating current is proportional to the angular position of the Adjusting lever, so that are derived from this, the angular position of the control lever can.
  • the swing angle is therefore determined indirectly and that from the proportional Control current for the lever, which comes from the higher-level crane control comes and is proportional to the swivel angle. Indirect determination of Swivel angle in the manner described is much cheaper to accomplish.
  • a rotary position detection device for the Hoisting winch provided.
  • the monitoring device expediently comprises a memory for Storage of hoist winch parameters, in particular, are in the memory of the Wind diameter, the number of turns per layer and the rope diameter can be stored.
  • a means for determining the lever arm of the rope with respect the hoist winch provided.
  • This can basically be a sensor that the Location of the running of the hoist winch rope detected immediately.
  • the device calculates the lever arm from the respective rotational position the hoist winch and the stored Hubwindenparameters.
  • the monitoring device is characterized in development of the invention thereby from that a real-time clock is provided.
  • the real-time clock is with the evaluation unit connected to the data processing with the real-time values Food.
  • the evaluation unit is designed in accordance with an embodiment of the invention such that the time course of the cable force is determined and stored and from this maximum and minimum cable force values and / or load changes are determined assigned to one of several stored load collectives and to Determination of residual life can be used.
  • the monitoring device provided with a device for monitoring the unwound rope length, which locks the hoist drive and / or actuates a hoist brake as soon as possible are only a predetermined number of turns on the hoist winch.
  • the monitoring device is characterized according to a further aspect the invention characterized in that means for determining the unwinding or Aufspul york provided the hoist rope and for determining the cable acceleration are.
  • these sizes from the detected rotational movement the hoist winch taking into account their geometric parameters, in particular the diameter of the wind and the turns.
  • means are provided for controlling the speed of the hoist winch determine and monitor these and / or the speed of Huboperantriebs.
  • the evaluation unit, the Torque-determining device, the device for determining the lever arm, the device for determining the absolute unwound cable length, the device for determining the unwinding speed, the device for the determination the Abspulbevantung and / or the means for monitoring the Winding speed as a microcomputer with it stored and expiring Software trained.
  • the microcomputer has interfaces to Data transfer to and from a higher-level crane control, from which the determined data including the calculated load collective and the remaining service life are available. The transfer of data or control commands is a matter of course also provided in the opposite direction.
  • the monitoring device stands out according to another aspect of the present invention thereby from that the evaluation unit including an associated data memory are integrated in the hoist winch. So they form an inseparable unity with the hoist winch. If the hoist winch is e.g. replaced for maintenance or replacement, so it becomes together with the evaluation unit and the associated Data memory exchanged, the stored stress values and / or the remaining life. This ensures that the remaining Remaining life is not lost or incorrect calculation data of Remaining life.
  • the single drawing shows a schematic representation of an inventive Monitoring device for monitoring a hydraulically driven Hoist winch.
  • the hoist winch 1 is driven by a hydraulic motor 2, which by means of a corresponding Fluid circuit 3, which may be open or closed, is subjected to the necessary Fuiddruck.
  • a hydraulic motor 2 which by means of a corresponding Fluid circuit 3, which may be open or closed, is subjected to the necessary Fuiddruck.
  • the rope 4 wound On the hoist winch 1 is the rope 4 wound, with which the crane raises or lowers the corresponding lifting loads.
  • To the hoist also includes a hoist brake 5, between the hydraulic motor 2 and the hoist winch 1 is connected in the drive train.
  • a multifunctional acquisition, calculation and Evaluation unit 6 Connected to the hoist winch 1 is a multifunctional acquisition, calculation and Evaluation unit 6, which forms a load collective counter and realizes other functions.
  • the multifunctional computing, computing and Evaluation unit 6 the dynamic stress of the hoist winch 1 and their Remaining life determined.
  • the Abspulmother the rope 4, the Speed and acceleration of the rope 4 and the rope force under consideration the winding layers on the hoist winch 1 and the speed of the hoist winch determined and monitored.
  • the unit 6 is advantageously integrated in the hoist winch 1 and forms with this one unity. It can be flange-mounted or in another suitable way at the Wind 1 be attached.
  • An angle detection unit 7 is assigned to the Hubwindenwelle and digitized the angular position of the hoist winch 1.
  • the angle detection unit 7 is absolutely working formed, i. it detects the angular position of the hoist winch 1 absolutely, even beyond the range of a full turn.
  • the rotation angle values become passed from the converter 7 to the central processing unit 8, which further Processing the values.
  • a real time clock 9 is also connected to the central processing unit 8 connected, so that all their data supplied with the Link real-time values and process them further. This is how the central determines Arithmetic unit 8 from the rotational angle values of the transducer 7, the respective rotational position, the rotational speed and acceleration of the hoist winch. 1
  • the geometric parameters of the hoist winch 1 are stored in the data memory 10, in particular, there are Hubwinden thankmesser, rope diameter and number of turns stored per position on the hoist winch 1, so that the central processing unit 8 in conjunction with the respective angle of rotation values of the hoist winch 1 the absolute Abspulin the rope 4, the speed and acceleration of the rope 4 when unwinding or winding and the lever arm of the rope 4, this with respect to the hoist winch 1, determined. These sizes come with the real-time values linked and stored in the data memory 10, so that the operation crane, e.g. for accident reconstruction can be retrieved later.
  • the respective Torque of the hydraulic motor 2, with which the hoist winch 1 is driven determined.
  • the fluid circuit 3 on the upstream side and on the downstream side of the hydraulic motor 2 are connected, detects the pressure difference across the hydraulic motor 2.
  • the respective ones Pressure values measured by the pressure sensors 11 and 12 are from these also the central processing unit 8 supplied.
  • the central Arithmetic unit 8 In order to determine the torque of the hydraulic motor 2, the central Arithmetic unit 8 also supplied a signal, the angular position of the actuating lever 14 of the hydraulic motor 2 corresponds, which determines the amount of swallowing of the hydraulic motor 2. The amount of displacement of the hydraulic motor 2 determined together with the pressure difference via the hydraulic motor whose torque. The angular position of the rocking lever 14 can be measured directly by means of a corresponding angle sensor. It can also be determined indirectly. As the figure shows, is a building block 13 provided in the multifunction unit 6, which controls the control of a superimposed Crane control 15 measures, with which the lever 14 is controlled. From the block 13 is a proportional to the position of the control lever 14 signal delivered to the central processing unit 8.
  • the central processing unit 8 calculates from the angular position of the actuating lever 14 and the pressure difference across the hydraulic motor 2 whose torque. This can be stored in the memory 10 together with the associated real-time values. In particular, the central processing unit 8 calculates from the respective one Torque of the hydraulic motor 2 and given in each moment Lever arm of the rope 4 with respect to the hoist winch 1, the cable force in the rope. 4
  • the central processing unit 8 calculates the dynamic load of hoist winch 1. To do this determines minimum and maximum extreme values from the chronological course of the cable force, From this load cycles or load changes determined, from which the central processing unit 8 constantly calculates the load spectrum for the hoist winch 1. in principle In this method, the actual load cycles and loads actually occur the winch is divided into n categories and those attributable to the respective categories Summed time shares of the load and stored in the memory 10. Based on the determined dynamic loads, the central processing unit determines 8 according to a method known per se, the remaining life remaining the hoist winch 1.
  • the multifunction unit 6 with a superordinate crane control 15 connected. Via a bus interface 16, the higher-level control 15 access the central processing unit 8 and exchange data. Especially the remaining life can be read out and in one corresponding display 17 are displayed.
  • a safety circuit 18 is provided in the multifunction unit 6, with the prevents that the rope 4 is completely unwound from the hoist winch 1.
  • the central processing unit 8 determine the remaining number of turns on the hoist winch 1.
  • the safety circuit 17 closes itself, so that from the parent crane control 15, a signal for brake control is turned on, so that the brake 5 is activated and the Hubwinden loftung stops. This will ensure that the required minimum number of turns on the hoist winch 1 is not exceeded.
  • All data that are detected in the multifunction unit 6 and / or determined and stored in the data memory 10 are over the serial bus of the superordinated crane control 15 available.
  • the parameterization of the hoist geometry can also be done via the serial Bus done.
  • wind data such as Manufacturing data, identification number, Serial number etc. available via the serial bus.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control And Safety Of Cranes (AREA)

Claims (8)

  1. Dispositif de contrôle pour le contrôle du fonctionnement de treuils de levage de grues et similaires, comprenant des moyens de calcul de la force de câble (7, 8, 10, 11, 12, 13) pour le calcul des forces de câble agissant sur le treuil de levage (1) et une unité d'analyse (8) pour le calcul de la sollicitation dynamique du treuil de levage à partir des forces de câble et/ou de la durée de vie résiduelle, les moyens de calcul de force de câble présentant un appareil de calcul de couple de rotation (8, 11, 12, 13) pour le calcul du couple de rotation d'un entraínement de treuil de levage (2), un appareil (7, 8, 10) pour le calcul du bras de levier du câble (4) par rapport au treuil de levage (1) et un appareil (8) pour le calcul de la force de câble à partir du couple de rotation concerné et du bras de levier correspondant, caractérisé en ce que ce que l'unité d'analyse (8), y compris une mémoire de données (10) spécifique, est intégrée dans le treuil de levage (1) et forme avec celui-ci une unité indissociable, et en ce que l'appareil de calcul du couple de rotation présente un appareil d'enregistrement de pression (11, 12) pour l'enregistrement d'une différence d'une pression sur un moteur hydraulique (2) de l'entraínement du treuil de levage, un appareil d'enregistrement du volume absorbé (13, 14) et un appareil (8) pour le calcul du couple de rotation du moteur hydraulique à partir de la différence de pression enregistrée et du volume absorbé.
  2. Dispositif de contrôle selon la revendication précédente, un appareil (7, 8, 10) étant prévu pour le calcul et le contrôle de la longueur de câble déroulée absolue.
  3. Dispositif de contrôle selon la revendication précédente, l'appareil pour le calcul et le contrôle de la longueur de câble débobinée bloquant l'entraínement de l'appareil de levage et/ou actionnant un frein de l'appareil de levage (5), dès qu'on n'a plus qu'un nombre prédéfini de spires sur le treuil de levage (1).
  4. Dispositif de contrôle pour le contrôle du fonctionnement de treuils de levage selon l'une quelconque des revendications précédentes, un appareil d'enregistrement de position de rotation (7) étant prévu pour le treuil (1), qui est conçu pour un travail absolu.
  5. Dispositif de contrôle pour le contrôle du fonctionnement de treuils de levage selon l'une quelconque des revendications précédentes, une mémoire (10) étant prévue pour le stockage de paramètres de treuils de levage et l'appareil (7, 8, 10) pour le calcul du bras de levier du câble (4) par rapport au treuil de levage (1) calculant le bras de levier du câble à partir de la position de rotation respective du treuil de levage (1) et des paramètres mémorisés du treuil de levage.
  6. Dispositif de contrôle pour le contrôle du fonctionnement de treuils de levage selon l'une quelconque des revendications précédentes, une horloge en temps réel (9) et une mémoire (10) pour le stockage de toutes les données et grandeurs enregistrées et/ou calculées en même temps que des valeurs en temps réel spécifiques étant prévues.
  7. Dispositif de contrôle pour le contrôle du fonctionnement de treuils de levage selon l'une quelconque des revendications précédentes, l'unité d'analyse (8) étant conçue de telle sorte que la variation dans le temps de la force de câble est calculée et mémorisée et que, à partir de celle-ci, des valeurs maximales et minimales de force de câble et/ou des changements de charge sont calculés, lesquels sont attribués à l'un de plusieurs ensembles de charge mémorisés et sont utilisées pour le calcul de la durée de vie restante.
  8. Dispositif de contrôle selon l'une quelconque des revendications précédentes, un appareil (7, 8, 10) étant prévu pour le calcul d'une vitesse de câble et/ou d'une accélération du câble.
EP00124423A 1999-11-23 2000-11-08 Méthode et dispositif pour contrôler l'entraínement d'un treuil d' un appareil de levage Expired - Lifetime EP1103511B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19956265A DE19956265B4 (de) 1999-11-23 1999-11-23 Vorrichtung zur Überwachung des Betriebs von Hubwinden
DE19956265 1999-11-23

Publications (3)

Publication Number Publication Date
EP1103511A2 EP1103511A2 (fr) 2001-05-30
EP1103511A3 EP1103511A3 (fr) 2001-07-18
EP1103511B1 true EP1103511B1 (fr) 2005-04-06

Family

ID=7929999

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00124423A Expired - Lifetime EP1103511B1 (fr) 1999-11-23 2000-11-08 Méthode et dispositif pour contrôler l'entraínement d'un treuil d' un appareil de levage

Country Status (2)

Country Link
EP (1) EP1103511B1 (fr)
DE (2) DE19956265B4 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7489098B2 (en) 2005-10-05 2009-02-10 Oshkosh Corporation System for monitoring load and angle for mobile lift device
US7671547B2 (en) 2005-10-05 2010-03-02 Oshkosh Corporation System and method for measuring winch line pull
US8200401B2 (en) 2008-05-19 2012-06-12 Manitowoc Crane Group France Sas Determining and reconstructing changes in load on lifting gear
DE102012010266A1 (de) * 2012-05-25 2013-11-28 Wessel-Hydraulik Gmbh Hydraulische Schaltungsanordnung

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004007504B4 (de) * 2004-02-13 2009-11-05 Demag Cranes & Components Gmbh Hebezeug, insbesondere Kettenzug oder Seilzug
DE202008011359U1 (de) 2008-07-30 2009-12-03 Liebherr-Werk Ehingen Gmbh Winde, insbesondere Hubwinde
DE102009041661A1 (de) 2009-09-16 2011-03-24 Liebherr-Werk Nenzing Gmbh, Nenzing System zur automatischen Erfassung von Lastzyklen einer Maschine zum Umschlagen von Lasten
CN102381655B (zh) * 2010-08-25 2014-04-09 淮南矿业(集团)有限责任公司 绞车深度指示器失效保护装置
DE202011001846U1 (de) 2011-01-24 2012-04-30 Liebherr-Components Biberach Gmbh Vorrichtung zur Erkennung der Ablegereife eines hochfesten Faserseils beim Einsatz an Hebezeugen
DE102011018535A1 (de) 2011-04-26 2012-10-31 Liebherr-Components Biberach Gmbh Seilprüfstand
DE102011080466A1 (de) * 2011-08-04 2013-02-07 Kässbohrer Geländefahrzeug AG Verfahren zum Analysieren eines Verschleißzustandes eines Windenseiles und Vorrichtung zur Durchführung des Verfahrens
NL2009783C2 (nl) * 2012-11-09 2014-05-12 Pjotter B V Werkwijze, gebruik en inrichting voor het bepalen van een veiligheidsstatus van een lier.
DE102013017110A1 (de) * 2013-08-28 2015-03-05 Liebherr-Components Biberach Gmbh Vorrichtung zur Erkennung der Ablegereife eines hochfesten Faserseils beim Einsatz an Hebezeugen
DE202016002171U1 (de) 2016-04-05 2017-07-07 Liebherr-Werk Biberach Gmbh Vorrichtung zur Überwachung von Betriebsdaten und/oder Bestimmung der Ablegereife eines Seils beim Einsatz an Hebezeugen
DE102017001238A1 (de) 2017-02-09 2018-08-09 Liebherr-Components Biberach Gmbh Hebezeug und Verfahren zum Anfahren des Hubwerks eines solchen Hebezeugs
DE102018123150B4 (de) * 2018-09-20 2021-04-15 Johannes Hübner Fabrik elektrischer Maschinen GmbH Drehgeber und Verfahren zum Betrieb eines Hebezeugs
WO2021083542A1 (fr) * 2019-10-30 2021-05-06 Sew-Eurodrive Gmbh & Co. Kg Procédé pour calculer un facteur de fiabilité opérationnelle d'un moteur à engrenages d'un système de levage, et procédé pour faire fonctionner un système de levage
IT202100032639A1 (it) * 2021-12-24 2023-06-24 Prinoth Spa Gruppo verricello di ausilio alla movimentazione di un veicolo cingolato e relativo metodo di controllo
DE102022105430A1 (de) 2022-03-08 2023-09-14 J.D. Neuhaus Holding Gmbh & Co. Kg Fluidbetriebenes Hebezeug sowie Verfahren zum Erfassen und Speichern von Betriebszuständen und -parametern eines fluidbetriebenen Hebezeugs
DE102022122034A1 (de) 2022-08-31 2024-02-29 Konecranes Global Corporation Verfahren zur Überwachung eines Kettenzugs

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3900783A1 (de) * 1988-04-14 1989-10-26 Rexroth Mannesmann Gmbh Hubeinrichtung fuer schwimmende lasten bei seegang
DE29503416U1 (de) * 1995-03-02 1995-07-20 Höhn, Carsten, Dipl.-Ing, 28832 Achim Gerät zur Ermittlung der dynamischen Beanspruchung an Bauteilen, Anlagen und Maschinen
DE19512103C2 (de) * 1995-04-03 1997-06-05 Rotzler Gmbh Co Seilwinde mit Betriebsdatenerfassung
DE19514050C2 (de) * 1995-04-13 1999-06-02 Bruger & Fischer Krananlagen U Verfahren und Vorrichtung zum Erfassen von Belastungen von Hub- und Zugeinrichtungen
EP0779239B2 (fr) * 1995-12-13 2006-09-13 Liebherr-Werk Ehingen GmbH Commande du système de levage d'une grue
DE19617105C2 (de) * 1996-04-19 1998-07-02 Mannesmann Ag Einrichtung zur Erfassung der momentanen Belastung von Fördermitteln, insbesondere von Hubwerken

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7489098B2 (en) 2005-10-05 2009-02-10 Oshkosh Corporation System for monitoring load and angle for mobile lift device
US7671547B2 (en) 2005-10-05 2010-03-02 Oshkosh Corporation System and method for measuring winch line pull
US7683564B2 (en) 2005-10-05 2010-03-23 Oshkosh Corporation System for monitoring load and angle for mobile lift device
US8200401B2 (en) 2008-05-19 2012-06-12 Manitowoc Crane Group France Sas Determining and reconstructing changes in load on lifting gear
DE102012010266A1 (de) * 2012-05-25 2013-11-28 Wessel-Hydraulik Gmbh Hydraulische Schaltungsanordnung
DE102012010266B4 (de) * 2012-05-25 2015-02-12 Wessel-Hydraulik Gmbh Hydraulische Schaltungsanordnung

Also Published As

Publication number Publication date
EP1103511A2 (fr) 2001-05-30
DE50009977D1 (de) 2005-05-12
EP1103511A3 (fr) 2001-07-18
DE19956265A1 (de) 2001-06-07
DE19956265B4 (de) 2005-06-30

Similar Documents

Publication Publication Date Title
EP1103511B1 (fr) Méthode et dispositif pour contrôler l'entraínement d'un treuil d' un appareil de levage
EP0779239B1 (fr) Commande du système de levage d'une grue
WO2017174191A1 (fr) Dispositif de surveillance de données de fonctionnement et/ou de détermination de l'état d'usure limite d'un câble lors de l'utilisation sur des engins de levage
EP2135834B1 (fr) Grue, notamment grue mobile ou chenillée
EP3038968B1 (fr) Dispositif de détermination du moment de dépose d'un câble de fibres ultra-résistant lorsqu'il est utilisé dans des engins de levage
EP1602617A1 (fr) Appareil de levage et procédé de mesure de la charge d'un tel appareil
EP1607193A2 (fr) Méthode et dispositif pour évaluer l'état d'au moins une articulation de robot
DE19512103C2 (de) Seilwinde mit Betriebsdatenerfassung
DE19832756A1 (de) Überwachungs- und/oder Überlastungseinrichtung
DE10233875B4 (de) Krananlage, insbesondere Containerkran
DE19806816B4 (de) Motor-Unterwassergreifer mit Überwachungseinrichtung
EP1472175B1 (fr) Treuil de levage avec dispositif pour determiner la charge
EP0447511B1 (fr) Procede et systeme pour surveiller une installation, telle qu'une grue automobile, un gros excavateur ou similaire
WO2021037530A1 (fr) Unité de commande et procédé d'actionnement d'un moyen de transport
EP1328461B1 (fr) Systeme et procede de commande d'un dispositif de levage
DE2509641A1 (de) Ueberlastmelder fuer einen kran
DE19923824C5 (de) Verfahren und Vorrichtung zur Bestimmung von Belastungsdaten eines über einen Hydromotor angetriebenen Getriebes
DE4244732C2 (de) Verfahren zur Steuerung eines seilgetriebenen Hebezeuges
DE102018123150B4 (de) Drehgeber und Verfahren zum Betrieb eines Hebezeugs
DE19905020A1 (de) Verfahren zur ständigen Überwachung der ordnungsgemäßen Betriebsfunktion eines Kranes
DE4417608A1 (de) Verfahren und Vorrichtung zur Lastmomentbegrenzung eines Turmdrehkrans
DE4241351C1 (de) Vorrichtung zur Steuerung eines seilgetriebenen Hebezeuges
DE9315641U1 (de) Zusatzeinrichtung an mechanischen Bremsen für rotatorische Bewegungen
DE19604428A1 (de) Steuervorrichtung für ein Hubwerk eines Krans
WO2023046453A1 (fr) Grue

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20011206

AKX Designation fees paid

Free format text: DE FR GB IT

17Q First examination report despatched

Effective date: 20040225

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050406

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 50009977

Country of ref document: DE

Date of ref document: 20050512

Kind code of ref document: P

GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20050406

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

ET Fr: translation filed
26N No opposition filed

Effective date: 20060110

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20141120

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20141122

Year of fee payment: 15

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151108

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20160729

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151130

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20181203

Year of fee payment: 19

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50009977

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200603