GB1358871A - Crane load indicator arrangement - Google Patents

Crane load indicator arrangement

Info

Publication number
GB1358871A
GB1358871A GB3002471A GB3002471A GB1358871A GB 1358871 A GB1358871 A GB 1358871A GB 3002471 A GB3002471 A GB 3002471A GB 3002471 A GB3002471 A GB 3002471A GB 1358871 A GB1358871 A GB 1358871A
Authority
GB
United Kingdom
Prior art keywords
current
path
input
amplifier
resistor
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
GB3002471A
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.)
Pye Electronic Products Ltd
Original Assignee
Pye Ltd
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 Pye Ltd filed Critical Pye Ltd
Priority to GB3002471A priority Critical patent/GB1358871A/en
Priority to JP6595671A priority patent/JPS5538613B1/ja
Priority to DE2230142A priority patent/DE2230142A1/de
Priority to US265329A priority patent/US3870160A/en
Publication of GB1358871A publication Critical patent/GB1358871A/en
Expired legal-status Critical Current

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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/26—Arbitrary function generators
    • G06G7/28—Arbitrary function generators for synthesising functions by piecewise approximation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
    • B66C2700/084—Protection measures

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Jib Cranes (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
GB3002471A 1971-06-25 1971-06-25 Crane load indicator arrangement Expired GB1358871A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB3002471A GB1358871A (en) 1971-06-25 1971-06-25 Crane load indicator arrangement
JP6595671A JPS5538613B1 (enrdf_load_stackoverflow) 1971-06-25 1971-08-30
DE2230142A DE2230142A1 (de) 1971-06-25 1972-06-21 Vorrichtung zum anzeigen der hoechstzulaessigen last fuer einen kran
US265329A US3870160A (en) 1971-06-25 1972-06-22 Crane safe load indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3002471A GB1358871A (en) 1971-06-25 1971-06-25 Crane load indicator arrangement

Publications (1)

Publication Number Publication Date
GB1358871A true GB1358871A (en) 1974-07-03

Family

ID=10301038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3002471A Expired GB1358871A (en) 1971-06-25 1971-06-25 Crane load indicator arrangement

Country Status (4)

Country Link
US (1) US3870160A (enrdf_load_stackoverflow)
JP (1) JPS5538613B1 (enrdf_load_stackoverflow)
DE (1) DE2230142A1 (enrdf_load_stackoverflow)
GB (1) GB1358871A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418766A1 (fr) * 1978-03-01 1979-09-28 Michel Gutierrez Perfectionnement aux appareils de levage a commande hydraulique
GB2353513A (en) * 1999-07-07 2001-02-28 Liebherr Werk Ehingen Crane lifting capacity optimisation

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4057792A (en) * 1970-01-21 1977-11-08 Ludwig Pietzsch Overload safety device for telescopic cranes
GB1462785A (en) * 1973-05-11 1977-01-26 Pye Ltd Crane load indicating arrangement
DE2400310C3 (de) * 1974-01-04 1981-02-26 Erhard 5509 Kell Kirsten Kippmomentsicherung für einen Teleskop-Auslegerkran
AT343860B (de) * 1975-02-04 1978-06-26 Krueger & Co Kg Vorrichtung zur steuerung eines kranauslegerantriebes
US4054055A (en) * 1976-08-06 1977-10-18 Precilec Device for controlling the load of a lifting appliance
US4236864A (en) * 1978-11-09 1980-12-02 Raymond Couture Safety control system for the boom of a crane
EP0029768B1 (fr) * 1979-11-12 1986-04-23 FMC EUROPE S.A. Société anonyme dite: Procédé et installation de surveillance et de commande d'un bras articulé de transfert de fluide destiné à relier un navire à une plate-forme en mer
KR910002234B1 (ko) * 1982-12-01 1991-04-08 히다찌 겡끼 가부시기가이샤 적하 이송장치의 적하중량 표시장치
US4906981A (en) * 1988-07-20 1990-03-06 Nield Barry J Method and apparatus for monitoring the effective load carried by a crane
GB9326347D0 (en) * 1993-12-23 1994-02-23 Grove Europ Limited Improvements in and relating to telescopic booms
JP4320931B2 (ja) * 2000-03-27 2009-08-26 コベルコクレーン株式会社 クレーンの過負荷防止方法及び過負荷防止装置
US20040200644A1 (en) * 2003-04-08 2004-10-14 Alan Paine Safe load lifting measurement device
FR2884104B1 (fr) * 2005-03-29 2009-07-03 Pierre Dumas Reglage par commutateur
JP6382769B2 (ja) 2014-08-07 2018-08-29 東京エレクトロン株式会社 接合装置、接合システム、接合方法、プログラム及びコンピュータ記憶媒体
JP6177739B2 (ja) 2014-08-07 2017-08-09 東京エレクトロン株式会社 接合装置、接合システム、接合方法、プログラム及びコンピュータ記憶媒体
JP6956645B2 (ja) * 2018-02-06 2021-11-02 住友重機械建機クレーン株式会社 吊荷重演算装置
IT201800010918A1 (it) * 2018-12-10 2020-06-10 Manitou Italia Srl Sistema di sicurezza perfezionato per macchine operatrici semoventi.
US10994970B2 (en) 2019-07-29 2021-05-04 Jim D. Wiethorn Crane risk logic apparatus and system and method for use of same
CN111675103B (zh) * 2020-06-17 2022-04-15 三一海洋重工有限公司 臂架俯仰切换控制方法及控制系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3079080A (en) * 1960-02-12 1963-02-26 Henry L Mason Crane warning system
US3534355A (en) * 1967-03-28 1970-10-13 Dole Valve Co Load warning device
US3641551A (en) * 1968-12-19 1972-02-08 Grove Mfg Co Safe load control system for telescopic crane booms
US3559143A (en) * 1969-07-11 1971-01-26 Clary Corp Apparatus for generating trigonometric functions corresponding to angular movement
US3618064A (en) * 1969-08-20 1971-11-02 Eaton Yale & Towne Crane computer
JPS552342B2 (enrdf_load_stackoverflow) * 1973-08-04 1980-01-19

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418766A1 (fr) * 1978-03-01 1979-09-28 Michel Gutierrez Perfectionnement aux appareils de levage a commande hydraulique
EP0003939A3 (fr) * 1978-03-01 1980-04-16 Michel Gutierrez Perfectionnement aux appareils de levage à commande hydraulique
GB2353513A (en) * 1999-07-07 2001-02-28 Liebherr Werk Ehingen Crane lifting capacity optimisation
GB2353513B (en) * 1999-07-07 2003-09-03 Liebherr Werk Ehingen Lifting capacity optimisation when making crane movements

Also Published As

Publication number Publication date
JPS5538613B1 (enrdf_load_stackoverflow) 1980-10-06
US3870160A (en) 1975-03-11
DE2230142A1 (de) 1973-01-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
433D Application made for revocation (sect. 33/1949)
433A Case decided by the comptroller ** patent amended (sect. 33/1949)
SPA Amended specification published
PCNP Patent ceased through non-payment of renewal fee