CA1041918A - Overload control for lifting boom - Google Patents

Overload control for lifting boom

Info

Publication number
CA1041918A
CA1041918A CA245,020A CA245020A CA1041918A CA 1041918 A CA1041918 A CA 1041918A CA 245020 A CA245020 A CA 245020A CA 1041918 A CA1041918 A CA 1041918A
Authority
CA
Canada
Prior art keywords
boom
anchors
plate
movement
overload
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
CA245,020A
Other languages
English (en)
French (fr)
Inventor
John L. Grove
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.)
JLG Industries Inc
Original Assignee
JLG Industries Inc
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 JLG Industries Inc filed Critical JLG Industries Inc
Application granted granted Critical
Publication of CA1041918A publication Critical patent/CA1041918A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)
CA245,020A 1975-02-14 1976-02-04 Overload control for lifting boom Expired CA1041918A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/550,073 US3952879A (en) 1975-02-14 1975-02-14 Overload control for lifting boom

Publications (1)

Publication Number Publication Date
CA1041918A true CA1041918A (en) 1978-11-07

Family

ID=24195628

Family Applications (1)

Application Number Title Priority Date Filing Date
CA245,020A Expired CA1041918A (en) 1975-02-14 1976-02-04 Overload control for lifting boom

Country Status (11)

Country Link
US (1) US3952879A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS51106944A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU498790B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE838519A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1041918A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2605599A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2300737A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1532826A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1055227B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7601388A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE401664B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4355307A (en) * 1976-11-26 1982-10-19 Beck Darrel R Safety stress shutdown switch
GB2060554B (en) * 1979-10-08 1984-05-10 Aerial Platforms Uk Ltd Apparatus for lifting or lowering a load
DE3101616C2 (de) * 1981-01-20 1983-02-10 G. Siempelkamp Gmbh & Co, 4150 Krefeld Holmverformungsmeßeinrichtung für Plattenpressen zur Herstellung von Spanplatten, Faserplatten, Laminatplatten u.dgl.
US4732286A (en) * 1985-03-01 1988-03-22 Rawson-Koenig, Inc. Crane with overload sensor
US4660729A (en) * 1985-09-16 1987-04-28 Hugh E. Carbert Method and apparatus for preventing boom overload
DE9312286U1 (de) * 1993-06-22 1993-10-28 Slift Hebezeug Gmbh, 75233 Tiefenbronn Hebebühne mit mehreren Tragarmen
US6439341B1 (en) 2001-02-14 2002-08-27 Snorkel International, Inc. Apparatus for monitoring loading of a lift
DE102004031248A1 (de) * 2004-06-29 2006-02-09 Plustech Oy Ladegerät
GB2463915B (en) * 2008-09-30 2012-06-20 Niftylift Ltd Load monitoring system
RU2414413C1 (ru) * 2009-12-08 2011-03-20 Закрытое акционерное общество "Инженерно-технический центр "КРОС" Модуль встройки датчика нагрузки ограничителя предельного груза
DE102010050930B4 (de) * 2010-11-11 2014-10-09 Gerhard Finkbeiner Mobile Hebebühne sowie Verfahren zur Überwachung eines Fahrwerks der mobilen Hebebühne
DE102011010709A1 (de) * 2011-02-09 2012-08-09 Jungheinrich Aktiengesellschaft Gegengewichtsflurförderfahrzeug mit einer Vorrichtung zur Bestimmung des Lastmoments
US11142434B1 (en) * 2014-02-18 2021-10-12 Link-Belt Cranes, L.P., Lllp Apparatus and methods for sensing boom side deflection or twist
CN112938853B (zh) * 2021-03-10 2022-05-27 湖南星邦智能装备股份有限公司 高空作业平台实施稳定作业的优化控制方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB376282A (en) * 1930-12-29 1932-06-29 Archibald Frazer Nash Improvements in and relating to safety devices for cranes and the like
DE675018C (de) * 1932-12-18 1939-04-27 Kloeckner Humboldt Deutz Akt G Kippsicherung fuer Kraftfahrdrehleitern
US2319299A (en) * 1939-10-18 1943-05-18 Frederick J Converse Means of measuring loads
GB852082A (en) * 1958-02-14 1960-10-26 Robert Loudon Aitken Improvements in safe-load indicating devices for cranes or the like
DE1156211B (de) * 1961-03-18 1963-10-24 Ernst Henkel Vorrichtung zum Messen und UEberwachen des Lastmomentes an Krananlagen od. dgl.
US3199685A (en) * 1964-03-02 1965-08-10 Greater Iowa Corp Overload safety device for material handling mechanism
GB1045547A (en) * 1964-05-27 1966-10-12 Ruston Bucyrus Ltd Automatic safe load indicator
FR2082475A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1970-03-17 1971-12-10 Ppm Sa
US3756423A (en) * 1971-12-21 1973-09-04 Bucyrus Erie Co Overload warning apparatus
FR2170903B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-02-08 1976-10-29 Gottwald Kg Leo

Also Published As

Publication number Publication date
BE838519A (nl) 1976-05-28
NL7601388A (nl) 1976-08-17
SE401664B (sv) 1978-05-22
JPS51106944A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-09-22
FR2300737B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-12-11
AU1096276A (en) 1977-08-18
AU498790B2 (en) 1979-03-22
US3952879A (en) 1976-04-27
DE2605599A1 (de) 1976-08-26
SE7601622L (sv) 1976-08-16
IT1055227B (it) 1981-12-21
FR2300737A1 (fr) 1976-09-10
GB1532826A (en) 1978-11-22

Similar Documents

Publication Publication Date Title
CA1041918A (en) Overload control for lifting boom
US3680714A (en) Safety device for mobile cranes
US20070090612A1 (en) Moveable working device with supporting extension arms
US4976361A (en) Mobile crane comprising a telescopic boom
KR900007655A (ko) 가동균형추를 가진 인양능력향상비임 부착장치와 이를 가진 크레인
US7014054B2 (en) Overturning moment measurement system
DE3711239C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP1392594B1 (en) Pothole protection mechanism
CN114408776B (zh) 起重机及其起臂方法
DE2232536B2 (de) Überlastsicherung für Auslegerkrane, insbesondere Teleskopkrane
US3445004A (en) Telescopic cantilevered boom
AU2002303968A1 (en) Pothole Protection Mechanism
JP3572563B2 (ja) クレーンの転倒防止装置および方法
US3796335A (en) Bucket position indicator
US2743606A (en) Hydraulic tension sensing and indicating means
US3547278A (en) Mobile cranes
US4134500A (en) Actuator linkage for mobile derricks and the like
US3854699A (en) Means for protecting the rod of a hydraulic lift jack from damage by the lift chain
GB2187708A (en) An apparatus for monitoring the forces acting during operation on a working cage
EP3489419B1 (en) Stabilizer leg arrangement and mobile working machine comprising such a stabilizer leg arrangement
CA2589723C (en) Drop mass soil compaction apparatus
US4141454A (en) Crane with "Z" configured boom
EP0058912B1 (en) Front end loader
EP0713455B1 (en) A device in a vehicle loading ramp
JPH01141153A (ja) Ｘ型アウトリガ装置