EP0737851A2 - Méthode et dispositif pour déterminer des charges des équipements d'élévation et de tension - Google Patents

Méthode et dispositif pour déterminer des charges des équipements d'élévation et de tension Download PDF

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Publication number
EP0737851A2
EP0737851A2 EP96250084A EP96250084A EP0737851A2 EP 0737851 A2 EP0737851 A2 EP 0737851A2 EP 96250084 A EP96250084 A EP 96250084A EP 96250084 A EP96250084 A EP 96250084A EP 0737851 A2 EP0737851 A2 EP 0737851A2
Authority
EP
European Patent Office
Prior art keywords
load
time
load ranges
lifting
time periods
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
EP96250084A
Other languages
German (de)
English (en)
Other versions
EP0737851A3 (fr
EP0737851B1 (fr
Inventor
Hans-G. Kupferschmidt
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.)
Bruger and Fischer Krananlagen und Hebezeuge GmbH
Original Assignee
Bruger and Fischer Krananlagen und Hebezeuge 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 Bruger and Fischer Krananlagen und Hebezeuge GmbH filed Critical Bruger and Fischer Krananlagen und Hebezeuge GmbH
Publication of EP0737851A2 publication Critical patent/EP0737851A2/fr
Publication of EP0737851A3 publication Critical patent/EP0737851A3/fr
Application granted granted Critical
Publication of EP0737851B1 publication Critical patent/EP0737851B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00—Safety gear

Definitions

  • the invention relates to a method and a device for detecting loads on lifting and pulling devices.
  • Crane systems, hoists, pulling devices, winches or similar devices have a predetermined service life, which depends on the load.
  • it is known to keep a hoist diary in which all lifting movements are documented. For this, a person must be parked. With such a registration of the load, it is provided by law that after a certain number of years a general overhaul of the system must be carried out, regardless of whether the specified service life or useful life has expired or not, since the documentation is not evidence of the real loads applies.
  • the invention is therefore based on the object of providing a method and a device for detecting the loads on lifting and pulling devices which permit automatic registration of the loads and enable utilization of the entire predetermined service life and thus contribute to reducing the costs.
  • the single figure shows a block diagram of the device according to the invention.
  • the device shown in the figure which can be referred to as a “load collective store”, is used for measuring and storing load conditions, for example a crane system.
  • the device shown is attached to the crane system and connected to at least one force sensor 1.
  • the force sensor is designed, for example, as a strain gauge sensor (strain gauge sensor), although all other sensors used for force measurement can be used.
  • the strain gauge sensors are e.g. attached as load measuring bolts in the suspensions of the crane cables. They give an electrical output signal that is proportional to the crane hook load.
  • the sensors which are arranged in a bridge circuit and have associated differential amplifiers, are connected to an A / D converter 2, which converts the supplied analog signals into digital signals and delivers them to a bus 3.
  • the bus line 3 is connected to a microprocessor 4, a clock 5, an EEPROM 6 as a long-term memory, a RAM 7 as a buffer and a display unit 8 for the data of interest.
  • an interface 9 is connected to the microprocessor 4, which is directly connected to a monitoring unit 12 with alarm device 10.
  • An interface 13 is also provided, via which a personal computer 11 can be connected for evaluating the data.
  • An input unit 14 designed as a button, which is connected to the microprocessor, enables the input of necessary control signals and other commands.
  • the maximum load range from 0 to 100% is divided into a plurality of load ranges, namely load ranges from 0 to 10, 11 to 20, 21 to 40, 41 to 60, 61 to 80, 81 to 100 and greater than 100 , where the figures are percentages.
  • the measured values detected by the sensors 1 and converted into digital signals by the A / D converter 2 are converted into percentages by the microprocessor 4, taking into account the zero value and the maximum value, and classified into one of the load ranges according to this percentage.
  • the duration of the respective measured value indicating the load of the crane system is determined via the clock 5 and the respective time is stored and stored in the RAM 7, for example in fractions of a minute under the respective load ranges.
  • the reliable operation of the device according to the invention can be indicated by a monitoring unit 12 which has a power supply which is separate from the other components and is connected to the rest of the interface 9 by a data line. Should the device shown in FIG. 1 fail, the monitoring unit 12 triggers a siren alarm via the alarm device 10.
  • the microprocessor 4 regularly generates clock signals which are supplied to the monitoring unit 12 via the interface 9. If the clock signals fail to appear, which can occur, for example, when the power supply to the microprocessor 4 is interrupted or in the event of another failure, the monitoring unit detects the absence and controls the alarm device 10.
  • the current measured values from each individual sensor 1 are displayed by the display unit 8, which can simultaneously display the calendar week, the time with hours, minutes and seconds and the date.
  • the microprocessor 4 determines whether the measured value is over 100%, i.e. Above the maximum load, a signal is output to the transmission unit 12 via the interface 9, which activates the alarm device 10.
  • the overloads with date and time are stored in the EEPROM 6. The overload condition is only registered as finished when the load hanging on the hook is below 50%.
  • a suitable computer 11 can also be connected via the interface 13, which can read out the data stored in the EEPROM 6 and can print a log of the loads in the form of times for the different load ranges and the different calendar weeks. Furthermore, the data can be used to calculate the crane service life, the mathematical method for the calculation being predetermined by regulations and can be determined via the computer program.
  • the storage medium in the form of the EEPROM 6 can, however, also be removed from the device and serve as a document or be inserted into a separate reading device, so that a computer 11 does not have to be connected directly to the device according to FIG. 1.
  • any other non-volatile memory can be used.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control And Safety Of Cranes (AREA)
  • Jib Cranes (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Electric Cable Installation (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
EP96250084A 1995-04-13 1996-04-15 Méthode et dispositif pour déterminer des charges des équipements d'élévation et de tension Expired - Lifetime EP0737851B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19514050A DE19514050C2 (de) 1995-04-13 1995-04-13 Verfahren und Vorrichtung zum Erfassen von Belastungen von Hub- und Zugeinrichtungen
DE19514050 1995-04-13

Publications (3)

Publication Number Publication Date
EP0737851A2 true EP0737851A2 (fr) 1996-10-16
EP0737851A3 EP0737851A3 (fr) 1997-04-09
EP0737851B1 EP0737851B1 (fr) 2001-11-21

Family

ID=7759665

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96250084A Expired - Lifetime EP0737851B1 (fr) 1995-04-13 1996-04-15 Méthode et dispositif pour déterminer des charges des équipements d'élévation et de tension

Country Status (4)

Country Link
EP (1) EP0737851B1 (fr)
AT (1) ATE209340T1 (fr)
DE (2) DE19514050C2 (fr)
DK (1) DK0737851T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1103511A2 (fr) * 1999-11-23 2001-05-30 Liebherr-Werk Ehingen GmbH Méthode et dispositif pour contrôler l'entraínement d'un treuil d' un appareil de levage
EP1150019A1 (fr) * 2000-04-28 2001-10-31 Hiab AB Compteur pour totaliser le nombre de levages d'une grue
EP1356910A1 (fr) * 2002-04-24 2003-10-29 Cifa S.p.A. Dispositif de commande et de controle d'exploitation d'une machine autotractée avec un bras articulé tel que des pompes à béton et procédé de maintenance pour une telle machine
EP1785703A1 (fr) * 2005-11-15 2007-05-16 Mettler-Toledo AG Procédé destiné à la surveillance et/ou la détermination de l'état d'un dispositif de mesure de force et dispositif de mesure de force
EP2123589A1 (fr) 2008-05-19 2009-11-25 Manitowoc Crane Group France SAS Détermination et reconstruction de modifications de charge sur des engins de levage
RU182820U1 (ru) * 2017-11-30 2018-09-04 Дмитрий Александрович Овруцкий Устройство для определения оптимального периода технического обслуживания и ремонта изделия

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19806816B4 (de) * 1998-02-18 2005-04-14 Rohr Gmbh Motor-Unterwassergreifer mit Überwachungseinrichtung
DE10025603A1 (de) * 2000-05-24 2001-11-29 Pat Gmbh Überwachungs- und Steuereinrichtung für Bau- oder Industriefahrzeuge
DE102004007504B4 (de) * 2004-02-13 2009-11-05 Demag Cranes & Components Gmbh Hebezeug, insbesondere Kettenzug oder Seilzug
WO2014169029A1 (fr) * 2013-04-09 2014-10-16 Anvil Attachments Surveillance d'un mécanisme de saisie

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116050A (en) * 1976-09-30 1978-09-26 Kabushiki Kaisha Komatsu Seisakusho Press load meter
DE2948774A1 (de) * 1978-12-04 1980-06-19 Ferodo Sa Kraftmesseinrichtung fuer maschine mit ausleger, insbesondere zur ueberwachung der abkippung hiervon
DE3121461A1 (de) * 1981-05-29 1982-12-16 Westinghouse Electric Corp., 15222 Pittsburgh, Pa. Verfahren zur ueberwachung der lebensdauer von zumindest einem in einer werkzeugmaschine benutzten werkzeugs und vorrichtung zur durchfuehrung des verfahrens
EP0228014A1 (fr) * 1985-12-19 1987-07-08 General Electric Company Procédé de mesure des dommages occasionnés à des éléments structuraux
US4947341A (en) * 1988-03-15 1990-08-07 Digital Equipment Corporation Method of predicting fatigue lifetimes of metallic structures
JPH0447260A (ja) * 1990-06-14 1992-02-17 Hitachi Ltd 応力腐食割れ寿命及びき裂進展速度予測方法
JPH05187965A (ja) * 1991-08-12 1993-07-27 Kuroda Precision Ind Ltd ボールねじの寿命監視装置
DE4226010A1 (de) * 1992-08-06 1994-02-10 Porsche Ag Verfahren und Vorrichtung zum Überwachen der Lebensdauer von Fahrzeugbauteilen
EP0749934A2 (fr) * 1995-03-02 1996-12-27 Brandmaier Messen, Steuern, Software Procédé et appareil pour la détermination des contraintes dynamiques dans les pièces, équipements et machines

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116050A (en) * 1976-09-30 1978-09-26 Kabushiki Kaisha Komatsu Seisakusho Press load meter
DE2948774A1 (de) * 1978-12-04 1980-06-19 Ferodo Sa Kraftmesseinrichtung fuer maschine mit ausleger, insbesondere zur ueberwachung der abkippung hiervon
DE3121461A1 (de) * 1981-05-29 1982-12-16 Westinghouse Electric Corp., 15222 Pittsburgh, Pa. Verfahren zur ueberwachung der lebensdauer von zumindest einem in einer werkzeugmaschine benutzten werkzeugs und vorrichtung zur durchfuehrung des verfahrens
EP0228014A1 (fr) * 1985-12-19 1987-07-08 General Electric Company Procédé de mesure des dommages occasionnés à des éléments structuraux
US4947341A (en) * 1988-03-15 1990-08-07 Digital Equipment Corporation Method of predicting fatigue lifetimes of metallic structures
JPH0447260A (ja) * 1990-06-14 1992-02-17 Hitachi Ltd 応力腐食割れ寿命及びき裂進展速度予測方法
JPH05187965A (ja) * 1991-08-12 1993-07-27 Kuroda Precision Ind Ltd ボールねじの寿命監視装置
DE4226010A1 (de) * 1992-08-06 1994-02-10 Porsche Ag Verfahren und Vorrichtung zum Überwachen der Lebensdauer von Fahrzeugbauteilen
EP0749934A2 (fr) * 1995-03-02 1996-12-27 Brandmaier Messen, Steuern, Software Procédé et appareil pour la détermination des contraintes dynamiques dans les pièces, équipements et machines

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 225 (P-1360), 26.Mai 1992 & JP 04 047260 A (HITACHI LTD), 17.Februar 1992, *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 609 (P-1640), 9.November 1993 & JP 05 187965 A (KURODA PRECISION IND LTD), 27.Juli 1993, *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1103511A2 (fr) * 1999-11-23 2001-05-30 Liebherr-Werk Ehingen GmbH Méthode et dispositif pour contrôler l'entraínement d'un treuil d' un appareil de levage
EP1103511A3 (fr) * 1999-11-23 2001-07-18 Liebherr-Werk Ehingen GmbH Méthode et dispositif pour contrôler l'entraínement d'un treuil d' un appareil de levage
EP1150019A1 (fr) * 2000-04-28 2001-10-31 Hiab AB Compteur pour totaliser le nombre de levages d'une grue
EP1356910A1 (fr) * 2002-04-24 2003-10-29 Cifa S.p.A. Dispositif de commande et de controle d'exploitation d'une machine autotractée avec un bras articulé tel que des pompes à béton et procédé de maintenance pour une telle machine
EP1785703A1 (fr) * 2005-11-15 2007-05-16 Mettler-Toledo AG Procédé destiné à la surveillance et/ou la détermination de l'état d'un dispositif de mesure de force et dispositif de mesure de force
EP2123589A1 (fr) 2008-05-19 2009-11-25 Manitowoc Crane Group France SAS Détermination et reconstruction de modifications de charge sur des engins de levage
KR101108325B1 (ko) 2008-05-19 2012-01-25 매니토웍 크레인 그룹 프랑스 에스에이에스 리프팅 기어에 대한 부하 변화의 결정 방법 및 재구성 방법
US8200401B2 (en) 2008-05-19 2012-06-12 Manitowoc Crane Group France Sas Determining and reconstructing changes in load on lifting gear
CN101585485B (zh) * 2008-05-19 2013-05-29 马尼托沃克起重机集团（法国）公司 确定和重建提升齿轮上的载荷变化
RU182820U1 (ru) * 2017-11-30 2018-09-04 Дмитрий Александрович Овруцкий Устройство для определения оптимального периода технического обслуживания и ремонта изделия

Also Published As

Publication number Publication date
DE19514050C2 (de) 1999-06-02
DK0737851T3 (da) 2002-05-13
DE19514050A1 (de) 1996-10-24
EP0737851A3 (fr) 1997-04-09
DE59608232D1 (de) 2002-01-03
EP0737851B1 (fr) 2001-11-21
ATE209340T1 (de) 2001-12-15

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