ATE209340T1 - METHOD AND DEVICE FOR DETECTING LOADS ON LIFTING AND TOWING DEVICES - Google Patents

METHOD AND DEVICE FOR DETECTING LOADS ON LIFTING AND TOWING DEVICES

Info

Publication number
ATE209340T1
ATE209340T1 AT96250084T AT96250084T ATE209340T1 AT E209340 T1 ATE209340 T1 AT E209340T1 AT 96250084 T AT96250084 T AT 96250084T AT 96250084 T AT96250084 T AT 96250084T AT E209340 T1 ATE209340 T1 AT E209340T1
Authority
AT
Austria
Prior art keywords
time periods
load ranges
forces
appts
summed
Prior art date
Application number
AT96250084T
Other languages
German (de)
Inventor
Hans-G Kupferschmidt
Original Assignee
Bruger & Fischer Krananlagen U
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 & Fischer Krananlagen U filed Critical Bruger & Fischer Krananlagen U
Application granted granted Critical
Publication of ATE209340T1 publication Critical patent/ATE209340T1/en

Links

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

Abstract

The method involves measuring the forces acting on the appts. and their duration as time periods. Predetermined load ranges are allocated to the measured forces. Within definite time periods the individual time periods in the predetermined load ranges are summed and stored. The time periods summed in the defined time periods as well as the associated load ranges are used to determine the expiry of the life time of the appts. A sensor arrangement (1) involving piezoelectric or strain-gauge elements measures the forces on the appts., and a timer determines the duration over which the forces act. A device (4) is provided to classify the individual measurement values in the load ranges and to sum the individual time periods. A memory arrangement (6,7) stores the summed time periods in different load ranges.
AT96250084T 1995-04-13 1996-04-15 METHOD AND DEVICE FOR DETECTING LOADS ON LIFTING AND TOWING DEVICES ATE209340T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19514050A DE19514050C2 (en) 1995-04-13 1995-04-13 Method and device for detecting loads on lifting and pulling devices

Publications (1)

Publication Number Publication Date
ATE209340T1 true ATE209340T1 (en) 2001-12-15

Family

ID=7759665

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96250084T ATE209340T1 (en) 1995-04-13 1996-04-15 METHOD AND DEVICE FOR DETECTING LOADS ON LIFTING AND TOWING DEVICES

Country Status (4)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19806816B4 (en) * 1998-02-18 2005-04-14 Rohr Gmbh Motor underwater gripper with monitoring device
DE19956265B4 (en) * 1999-11-23 2005-06-30 Liebherr-Werk Ehingen Gmbh Device for monitoring the operation of hoisting winches
SE0001608L (en) * 2000-04-28 2001-06-11 Hiab Ab Hydraulic crane with means for registration of lifting and reduction of load, procedure for such registration and method for calculating the fatigue load of such crane
DE10025603A1 (en) * 2000-05-24 2001-11-29 Pat Gmbh Monitoring and control device for construction or industrial vehicles has associated data memory in which operating parameters and/or control parameters can be stored
ITMI20020891A1 (en) * 2002-04-24 2003-10-24 Cifa Spa SYSTEM FOR THE CONTROL AND SURVEILLANCE OF THE OPERATION OF SELF-PROPELLED ARTICULATED ARM MACHINERY SUCH AS CONCRETE AND METAL PUMPS
DE102004007504B4 (en) * 2004-02-13 2009-11-05 Demag Cranes & Components Gmbh Hoist, in particular chain hoist or cable pull
PL1785703T3 (en) 2005-11-15 2012-07-31 Mettler Toledo Gmbh Method for monitoring and/or determining the condition of a force measuring device and force measuring device
DE102008024215B4 (en) 2008-05-19 2015-08-20 Manitowoc Crane Group France Sas Determination and reconstruction of load changes on hoists
WO2014169029A1 (en) * 2013-04-09 2014-10-16 Anvil Attachments Monitoring a grabbing mechanism
RU182820U1 (en) * 2017-11-30 2018-09-04 Дмитрий Александрович Овруцкий Device for determining the optimal period of maintenance and repair of the product

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5342875A (en) * 1976-09-30 1978-04-18 Komatsu Mfg Co Ltd Apparatus for measuring pressure
FR2443419A1 (en) * 1978-12-04 1980-07-04 Ferodo Sa DYNAMOMETRIC DEVICE FOR BOOM MACHINE, PARTICULARLY FOR TILTING CONTROL THEREOF
DE3121461A1 (en) * 1981-05-29 1982-12-16 Westinghouse Electric Corp., 15222 Pittsburgh, Pa. Method for monitoring the service life of at least one tool used in a machine tool, and device for carrying out the method
US4677855A (en) * 1985-12-19 1987-07-07 Electric Power Research Institute, Inc. Method for measuring damage to structural components
US4947341A (en) * 1988-03-15 1990-08-07 Digital Equipment Corporation Method of predicting fatigue lifetimes of metallic structures
JPH0447260A (en) * 1990-06-14 1992-02-17 Hitachi Ltd Estimating method for stress-corrosion cracking lifetime and crack development speed
JP3185066B2 (en) * 1991-08-12 2001-07-09 黒田精工株式会社 Ball screw life monitoring device
DE4226010A1 (en) * 1992-08-06 1994-02-10 Porsche Ag Monitoring lifetime of vehicle components - involves continuously measuring and monitoring load on components with strain gauges feeding evaluation unit
DE29503416U1 (en) * 1995-03-02 1995-07-20 Sudhop Helmut Dipl Ing Device for determining the dynamic stress on components, systems and machines

Also Published As

Publication number Publication date
DE19514050A1 (en) 1996-10-24
EP0737851A2 (en) 1996-10-16
EP0737851A3 (en) 1997-04-09
DE59608232D1 (en) 2002-01-03
DE19514050C2 (en) 1999-06-02
EP0737851B1 (en) 2001-11-21
DK0737851T3 (en) 2002-05-13

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Legal Events

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