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WO1992006349A3 - Process and device for acquiring and transmitting information with electrical conductors movable relatively to one another or the like - Google Patents

Process and device for acquiring and transmitting information with electrical conductors movable relatively to one another or the like Download PDF

Info

Publication number
WO1992006349A3
WO1992006349A3 PCT/EP1991/001852 EP9101852W WO9206349A3 WO 1992006349 A3 WO1992006349 A3 WO 1992006349A3 EP 9101852 W EP9101852 W EP 9101852W WO 9206349 A3 WO9206349 A3 WO 9206349A3
Authority
WO
WIPO (PCT)
Prior art keywords
electrical conductors
another
conductor
acquiring
electrical
Prior art date
Application number
PCT/EP1991/001852
Other languages
German (de)
French (fr)
Other versions
WO1992006349A2 (en
Inventor
Andreas Stiehl-Wolf
Peter Subke
Original Assignee
Dotronic Mikroprozessortechnik
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
Priority claimed from DE19904031839 external-priority patent/DE4031839A1/en
Priority claimed from DE19904031840 external-priority patent/DE4031840A1/en
Application filed by Dotronic Mikroprozessortechnik filed Critical Dotronic Mikroprozessortechnik
Priority to EP91916916A priority Critical patent/EP0552181B1/en
Priority to DE59102869T priority patent/DE59102869D1/en
Publication of WO1992006349A2 publication Critical patent/WO1992006349A2/en
Publication of WO1992006349A3 publication Critical patent/WO1992006349A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear
    • B66C23/90—Devices for indicating or limiting lifting moment
    • B66C23/905—Devices for indicating or limiting lifting moment electrical
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Jib Cranes (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

With a process and device for acquiring and transmitting electronic information with components movable relative to each other, especially electrical conductors for telescopic crane booms, both the position of a conductor in relation to another is to be acquirable and power made available to consumers in the telescopic booms. This is achieved in that the electrical conductors are interconnected for length measurement in such a way that through electrical conduction is provided to the end of the line for a voltage jump given for a defined position of the conductor. The length is measured by means of the reflection time and the electrical conductors take the form of electrically insulated conductor tracks applied to each section of the crane boom specifically for the transmission of electronic information. An electrical connection exists from one conductor track section to another and with connection to a data acquisition and/or evaluation and/or transmission device.
PCT/EP1991/001852 1990-10-08 1991-09-27 Process and device for acquiring and transmitting information with electrical conductors movable relatively to one another or the like WO1992006349A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP91916916A EP0552181B1 (en) 1990-10-08 1991-09-27 Process and device for acquiring and transmitting information with electrical conductors movable relatively to one another or the like
DE59102869T DE59102869D1 (en) 1990-10-08 1991-09-27 METHOD AND DEVICE FOR DETECTING AND TRANSMITTING INFORMATION WITH RELATIVELY MOVABLE ELECTRICAL LADDERS OD. DGL.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEP4031840.0 1990-10-08
DE19904031839 DE4031839A1 (en) 1990-10-08 1990-10-08 Length measurement of relatively movable electrical conductors - uses reflection or step voltages and measurement of reflection times
DE19904031840 DE4031840A1 (en) 1990-10-08 1990-10-08 Signal transmission appts. for telescopic extension of crane - has conductive rails forming bus=bar between sections allowing transmission of control data
DEP4031839.7 1990-10-08

Publications (2)

Publication Number Publication Date
WO1992006349A2 WO1992006349A2 (en) 1992-04-16
WO1992006349A3 true WO1992006349A3 (en) 1992-09-03

Family

ID=25897531

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1991/001852 WO1992006349A2 (en) 1990-10-08 1991-09-27 Process and device for acquiring and transmitting information with electrical conductors movable relatively to one another or the like

Country Status (4)

Country Link
EP (1) EP0552181B1 (en)
AU (1) AU8616491A (en)
DE (1) DE59102869D1 (en)
WO (1) WO1992006349A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004008083U1 (en) 2004-05-19 2005-11-10 Liebherr-Werk Ehingen Gmbh mobile crane
EP1772415A3 (en) * 2005-10-04 2008-09-03 Liebherr-Werk Ehingen GmbH Support device for a mobile crane
DE102006025002A1 (en) * 2006-05-30 2007-12-06 Pat Gmbh Mobile or stationary working device with telescopic boom elements whose position is detected by RFID technology
DE102012208635A1 (en) * 2012-05-23 2013-11-28 Hirschmann Automation And Control Gmbh Measuring the boom length of a crane by measuring transit time
ITUA20161449A1 (en) * 2016-03-08 2017-09-08 Fassi Gru S P A Crane comprising an extendable arm and a device for measuring the extension of this extensible arm

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1803457A1 (en) * 1968-10-16 1970-05-21 Pietzsch Ludwig Overload protection for jib cranes
US3833130A (en) * 1973-04-20 1974-09-03 Krupp Gmbh Safety device for a top boom pivotally mounted on a crane boom
DE2836108A1 (en) * 1978-08-17 1980-02-28 Krupp Gmbh Telescopic jib crane with load sensing transducer - has signal converters with amplitude modulators with different carrier frequencies
US4368824A (en) * 1979-05-18 1983-01-18 Coles Cranes Limited Safe load indicator
GB2136241A (en) * 1983-02-24 1984-09-12 Standard Oil Co Measuring cable length
DE3420596A1 (en) * 1984-06-01 1985-12-05 Dr.-Ing. Ludwig Pietzsch Gmbh & Co, 7505 Ettlingen MONITORING AND CONTROL SYSTEM FOR JUMPER CRANES
DE3606590A1 (en) * 1986-02-28 1987-09-03 Oelsch Kg Device for position (displacement) measurement in telescopic booms

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1803457A1 (en) * 1968-10-16 1970-05-21 Pietzsch Ludwig Overload protection for jib cranes
US3833130A (en) * 1973-04-20 1974-09-03 Krupp Gmbh Safety device for a top boom pivotally mounted on a crane boom
DE2836108A1 (en) * 1978-08-17 1980-02-28 Krupp Gmbh Telescopic jib crane with load sensing transducer - has signal converters with amplitude modulators with different carrier frequencies
US4368824A (en) * 1979-05-18 1983-01-18 Coles Cranes Limited Safe load indicator
GB2136241A (en) * 1983-02-24 1984-09-12 Standard Oil Co Measuring cable length
DE3420596A1 (en) * 1984-06-01 1985-12-05 Dr.-Ing. Ludwig Pietzsch Gmbh & Co, 7505 Ettlingen MONITORING AND CONTROL SYSTEM FOR JUMPER CRANES
DE3606590A1 (en) * 1986-02-28 1987-09-03 Oelsch Kg Device for position (displacement) measurement in telescopic booms

Also Published As

Publication number Publication date
EP0552181B1 (en) 1994-09-07
DE59102869D1 (en) 1994-10-13
EP0552181A1 (en) 1993-07-28
WO1992006349A2 (en) 1992-04-16
AU8616491A (en) 1992-04-28

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