EP2123589B1 - Bestimmung und Rekonstruktion von Laständerungen an Hebezeugen - Google Patents

Bestimmung und Rekonstruktion von Laständerungen an Hebezeugen Download PDF

Info

Publication number: EP2123589B1
Authority: EP; European Patent Office
Prior art keywords: load; changes; gradient; determined; data
Prior art date: 2008-05-19
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.): Active

Application number

EP09159387.1A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP2123589A1 (de

Inventor

Thomas Heidrich

Hasko Karge

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.)

Manitowoc Crane Group France SAS

Original Assignee

Manitowoc Crane Group France SAS

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.)

2008-05-19

Filing date

2009-05-05

Publication date

2013-12-18

2009-05-05 Application filed by Manitowoc Crane Group France SAS filed Critical Manitowoc Crane Group France SAS

2009-11-25 Publication of EP2123589A1 publication Critical patent/EP2123589A1/de

2013-12-18 Application granted granted Critical

2013-12-18 Publication of EP2123589B1 publication Critical patent/EP2123589B1/de

Status Active legal-status Critical Current

2029-05-05 Anticipated expiration legal-status Critical

Links

238000000034 method Methods 0.000 claims abstract description 24
230000007704 transition Effects 0.000 claims abstract description 15
230000007717 exclusion Effects 0.000 claims 2
238000001514 detection method Methods 0.000 description 6
238000011156 evaluation Methods 0.000 description 6
238000004364 calculation method Methods 0.000 description 2
230000006870 function Effects 0.000 description 2
238000010521 absorption reaction Methods 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
230000029142 excretion Effects 0.000 description 1
238000005259 measurement Methods 0.000 description 1
230000003068 static effect Effects 0.000 description 1
238000010972 statistical evaluation Methods 0.000 description 1

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services

Definitions

the invention relates to the determination and reconstruction of load changes to lifting equipment.
it relates to the field of hoists used on cranes, especially mobile cranes, and also to the hoist as a whole (e.g., crane / mobile crane), as well as the components directly or indirectly affected by the load change.
the determination and reconstruction of load changes is generally used to log the operation of the hoist. This finds e.g. Application in accident reconstruction or usage-based invoicing. Furthermore, this information forms the basis for calculating the structural load of the hoist.
Such load changes are generally based on the recognition of load absorption and load settling according to the prior art.
This load change detection is done with the help of additional information such as control functions that can be expected to raise or lower a load. If recorded load curves now have to be subdivided for evaluation, this subdivision is done on the basis of such additional information (control information) or by external events, such as the bypassing of a safety device.
additional information control information
external events such as the bypassing of a safety device.
the data sets generated in this way are usually stored in a data logger with the aim of subsequently recording load cases and reconstructing them as needed.
a method and system for measuring load on a crane hoist are known.
the method at least the crane hoist speed and moment are measured and filtered, and the measured and filtered values are compared with each other and a previously determined load value to determine an error value and determine a new measured load value based on this error value.
From the EP 0 737 851 A2 is a continuous measurement of the load of lifting and towing devices of hoists known. In this case, the maximum load range is divided into a plurality of load ranges. Then the time is measured in each case, in which the device is exposed to a load range, these times are added and deduced therefrom on the remaining life of the device.
a reliable reconstruction of the load cases should be made possible so that calculations based on this can be optimized.
a load change at a transition point of the load profile gradient is determined in load profile data. Furthermore, the load curve at the transition points is subdivided into discrete-time viewing intervals.
the present invention discloses a novel method for subdividing load histories, wherein at the transition points a memory pulse is generated as a load change event in the course of load.
the viewing intervals generated in this way enable the generation of data-reduced information, from which subsequently any continuous-time load profiles can be reconstructed, since they do not relate to the detection of the pickup and the setting down of a load.
the use of the load gradient gradient makes it possible to carry out an optimized subdivision and thus evaluation with information that is inherent in the load history, that is, does not have to be determined separately.
the determination according to the method according to the invention can be carried out on the basis of stored load profile data, but also on the basis of real-time load profile data.
the load history is recorded, ie stored, and at transition points, a memory pulse is generated or entered as a load change indication or load change event in the course of load.
the elimination criterion can be, in particular, a time criterion (for example, too short interval) or a criterion that takes into account external influences on the load profile (external events, control information).
the transition point can be determined or entered as a load history transition in the load history, when the load gradient gradient changes the sign or changes to zero. Furthermore, a transition point can then be detected or entered if the gradient is changed consecutively more than once with the same sign, that is, if the load curve continues to rise or fall, but the slope of the curve changes.
the invention further relates, in a somewhat more extensive aspect, to a method for the reconstruction of load cases on hoists, in which a method is used to determine the load changes, as described above in various embodiments.
a method is used to determine the load changes, as described above in various embodiments.
other load changes can be taken into account, which come from operating data of the hoist or were determined to special operating cases.
the present invention may also be characterized as disclosing a method for analyzing load changes on lifting gear for evaluating and reconstructing load cases which is not based mainly or not exclusively on the basis of the detection of lift start and lift end.
An evaluation device divides the course of the load into time-discrete viewing intervals, and each load change can be used to subdivide an evaluation interval.
the subdivision (load change event) is due to gradient changes in the load curve, and specifically, temporally offset load changes with the same gradient sign can also be used to subdivide the evaluation interval.
the Fig. 2b shows here according to the invention a (compared to the Fig. 2a ) greater subdivision of the load profile, taking into account the corresponding gradient changes.
a gradient is thus formed, and from the sweeps of the load gradient, a memory pulse is generated correspondingly, namely at the respective event (transition).
the data used for this purpose are stored or real-time recorded data, which contain direct or indirect information about the current load on the hoist.
the method according to the invention allows the reconstruction of time-continuous load changes basically independent of the detection of a load pick-up or a load release and thus also allows the reconstruction of loads that change during a stroke.
FIG. 1 the load gradient detection and the sequence of events just mentioned above are shown in the upper part, whereby the information about the load gradient as well as about the events during operation is evaluated and stored as a memory pulse in the data memory. This stores raw data or processed data whose validity range is between a previous memory pulse and a new memory pulse.
the Fig. 1 shows that data originating from the operation of the hoist can be processed and additionally used as an input data record for the data memory. Together with the data obtained in accordance with the invention (evaluated gradient detection), this system then requires a higher amount of data to be stored, but allows a more detailed reconstruction of any load profiles as a function of the stored data. In addition, a statistical evaluation of the generated viewing intervals can be used to calculate the structural stress of the hoist and to evaluate it during the reconstruction.

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Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Business, Economics & Management (AREA)
Tourism & Hospitality (AREA)
Strategic Management (AREA)
General Physics & Mathematics (AREA)
General Health & Medical Sciences (AREA)
Human Resources & Organizations (AREA)
Marketing (AREA)
Primary Health Care (AREA)
Health & Medical Sciences (AREA)
Physics & Mathematics (AREA)
General Business, Economics & Management (AREA)
Economics (AREA)
Theoretical Computer Science (AREA)
Automation & Control Theory (AREA)
Control And Safety Of Cranes (AREA)
Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Forklifts And Lifting Vehicles (AREA)
Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Jib Cranes (AREA)

EP09159387.1A 2008-05-19 2009-05-05 Bestimmung und Rekonstruktion von Laständerungen an Hebezeugen Active EP2123589B1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102008024215.2A DE102008024215B4 (de)	2008-05-19	2008-05-19	Bestimmung und Rekonstruktion von Laständerungen an Hebezeugen

Publications (2)

Publication Number	Publication Date
EP2123589A1 EP2123589A1 (de)	2009-11-25
EP2123589B1 true EP2123589B1 (de)	2013-12-18

Family

ID=40942512

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09159387.1A Active EP2123589B1 (de)	2008-05-19	2009-05-05	Bestimmung und Rekonstruktion von Laständerungen an Hebezeugen

Country Status (8)

Country	Link
US (1)	US8200401B2 (ja)
EP (1)	EP2123589B1 (ja)
JP (1)	JP5396148B2 (ja)
KR (1)	KR101108325B1 (ja)
CN (1)	CN101585485B (ja)
CA (1)	CA2666015C (ja)
DE (1)	DE102008024215B4 (ja)
ES (1)	ES2451506T3 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102167259B (zh) *	2010-12-28	2013-02-06	天津天安起重电器有限公司	起重机械载荷质量的测量方法
FR3037681B1 (fr) *	2015-06-18	2017-11-24	Manitowoc Crane Group France	Procede de definition d’une courbe de charges optimisee pour grue, procede et dispositif de controle pour controler la charge suspendue a une grue a partir de la courbe de charges optimisee
DE102021108964B4 (de)	2021-04-11	2022-12-01	Core Sensing Gmbh	Verfahren zum Erfassen von einem Lastkollektiv sowie Lastkollektiverfassungsvorrichtung und Maschinenelement mit einer Lastkollektiverfassungsvorrichtung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3835522A1 (de)	1988-10-19	1990-05-03	Man Ghh Krantechnik	Kransteuerung
US4953053A (en) *	1989-01-31	1990-08-28	Harnischfeger Corporation	Method and apparatus for detecting mechanical overload of a hoist
FI91058C (fi) *	1991-03-18	1996-01-10	Kci Kone Cranes Int Oy	Nosturin ohjausmenetelmä
JPH05273083A (ja) *	1992-03-26	1993-10-22	Matsushita Electric Ind Co Ltd	クリック感を有する部品の検査方法及びその装置
FR2701467B1 (fr)	1993-02-12	1995-05-12	Caillard	Système de contrôle de commande de la vitesse de déplacement d'une charge pendulaire et appareil de levage comprenant un tel système.
FR2708770B1 (fr) *	1993-08-06	1995-10-13	Ainf	Procédé de contrôle d'une machine mobile et dispositif pour sa mise en Óoeuvre.
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
DE19514050C2 (de)	1995-04-13	1999-06-02	Bruger & Fischer Krananlagen U	Verfahren und Vorrichtung zum Erfassen von Belastungen von Hub- und Zugeinrichtungen
DE19956265B4 (de) *	1999-11-23	2005-06-30	Liebherr-Werk Ehingen Gmbh	Vorrichtung zur Überwachung des Betriebs von Hubwinden
JP3673689B2 (ja)	2000-02-29	2005-07-20	独立行政法人科学技術振興機構	歯車動的性能の評価システム及び評価方法
JP2002241079A (ja) *	2001-02-13	2002-08-28	Mitsubishi Heavy Ind Ltd	クレーンの積み付け制御方法および積み付け制御装置
US6527130B2 (en) *	2001-02-16	2003-03-04	General Electric Co.	Method and system for load measurement in a crane hoist
DE20318718U1 (de)	2003-07-10	2004-04-08	Rösch, Michael	Anordnung zur Erkennung und Bestimmung von Fahrprofilen für Hebezeuge insbesondere für Seilaufzüge und hydraulisch betätigte Aufzüge
EP1818308A1 (de)	2006-02-09	2007-08-15	Franke Henning	Kransteuerung

2008
- 2008-05-19 DE DE102008024215.2A patent/DE102008024215B4/de active Active
2009
- 2009-05-05 EP EP09159387.1A patent/EP2123589B1/de active Active
- 2009-05-05 ES ES09159387.1T patent/ES2451506T3/es active Active
- 2009-05-11 CN CN2009101387824A patent/CN101585485B/zh active Active
- 2009-05-15 CA CA2666015A patent/CA2666015C/en not_active Expired - Fee Related
- 2009-05-18 US US12/467,585 patent/US8200401B2/en active Active
- 2009-05-19 KR KR1020090043670A patent/KR101108325B1/ko not_active IP Right Cessation
- 2009-05-19 JP JP2009120627A patent/JP5396148B2/ja active Active

Also Published As

Publication number	Publication date
ES2451506T3 (es)	2014-03-27
JP5396148B2 (ja)	2014-01-22
EP2123589A1 (de)	2009-11-25
CA2666015C (en)	2011-07-26
JP2010006607A (ja)	2010-01-14
DE102008024215B4 (de)	2015-08-20
DE102008024215A1 (de)	2009-12-03
KR101108325B1 (ko)	2012-01-25
CA2666015A1 (en)	2009-11-19
CN101585485B (zh)	2013-05-29
US20090287381A1 (en)	2009-11-19
US8200401B2 (en)	2012-06-12
CN101585485A (zh)	2009-11-25
KR20090120428A (ko)	2009-11-24

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