ES474744A1 - Ÿun sistema indicador de la longitud del brazo o aguilon de una gruaÿ - Google Patents

Ÿun sistema indicador de la longitud del brazo o aguilon de una gruaÿ

Info

Publication number
ES474744A1
ES474744A1 ES474744A ES474744A ES474744A1 ES 474744 A1 ES474744 A1 ES 474744A1 ES 474744 A ES474744 A ES 474744A ES 474744 A ES474744 A ES 474744A ES 474744 A1 ES474744 A1 ES 474744A1
Authority
ES
Spain
Prior art keywords
boom
indicator
changes
sensed
length
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
Application number
ES474744A
Other languages
English (en)
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.)
Koehring Co
Original Assignee
Koehring Co
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 Koehring Co filed Critical Koehring Co
Publication of ES474744A1 publication Critical patent/ES474744A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01B7/04—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • G01B7/042—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Jib Cranes (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

Un sistema indicador de la longitud del brazo o aguilón de una grúa que tiene un brazo extensible y un puesto de operario que incluye un indicador de longitud de brazo montado en el puesto de operario, y tiene un cuadrante que es movible para indicar la longitud en que el brazo que se ha entendido, caracterizado por medios perceptores adaptados para ser montados en el brazo de la grúa para percibir cambios en la longitud en que el brazo se ha extendido y general una señal representativa de los cambios percibidos; medios propulsores conectados con el indicador para recibir la señal generada representativa de los cambios percibidos; y medios sincronizadores que cooperan con el indicador para compensar errores entre la longitud real en que el brazo se ha extendido y la señal generada en virtud de ella.
ES474744A 1977-12-16 1978-11-02 Ÿun sistema indicador de la longitud del brazo o aguilon de una gruaÿ Expired ES474744A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/861,370 US4130940A (en) 1977-12-16 1977-12-16 Boom length sensing and indicating system with self-synchronization

Publications (1)

Publication Number Publication Date
ES474744A1 true ES474744A1 (es) 1979-03-16

Family

ID=25335611

Family Applications (1)

Application Number Title Priority Date Filing Date
ES474744A Expired ES474744A1 (es) 1977-12-16 1978-11-02 Ÿun sistema indicador de la longitud del brazo o aguilon de una gruaÿ

Country Status (4)

Country Link
US (1) US4130940A (es)
BR (1) BR7807018A (es)
DE (1) DE2854255A1 (es)
ES (1) ES474744A1 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3913516A1 (de) * 1989-04-25 1990-10-31 Century Ii Gmbh Mobilkrane Vorrichtung zur messung der ausfahrlaengen von teleskopauslegerschuessen eines kranauslegers
US5560118A (en) * 1994-10-26 1996-10-01 Plummer; Lew E. Linear position transducer
DE19839027C1 (de) * 1998-08-27 2000-02-10 Asm Automation Sensorik Messte Meßseil-Wegsensor
EA012939B1 (ru) * 2008-02-18 2010-02-26 Закрытое Акционерное Общество "Критерий" Устройство для измерения вылета двухсекционной телескопической стрелы грузоподъемной машины
EA012940B1 (ru) * 2008-02-18 2010-02-26 Закрытое Акционерное Общество "Критерий" Устройство для измерения вылета телескопической стрелы грузоподъемной машины
CN105444710B (zh) * 2014-08-21 2018-05-25 中联重科股份有限公司 多级伸缩结构行程测量装置和多级伸缩结构
CN108975169A (zh) * 2018-10-18 2018-12-11 徐州市凯诺机械有限公司 一种起重机的限位报警系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3780440A (en) * 1971-07-21 1973-12-25 Ideal Aerosmith Inc Measuring instrument
US3812589A (en) * 1972-05-25 1974-05-28 Dillon W & Co Inc Boom length indicator

Also Published As

Publication number Publication date
US4130940A (en) 1978-12-26
DE2854255A1 (de) 1979-06-21
BR7807018A (pt) 1979-08-14

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