CA1001526A - Hydraulic circuit of cylinder for moving heavy article - Google Patents

Hydraulic circuit of cylinder for moving heavy article

Info

Publication number
CA1001526A
CA1001526A CA186,478A CA186478A CA1001526A CA 1001526 A CA1001526 A CA 1001526A CA 186478 A CA186478 A CA 186478A CA 1001526 A CA1001526 A CA 1001526A
Authority
CA
Canada
Prior art keywords
cylinder
hydraulic circuit
heavy article
moving heavy
moving
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
CA186,478A
Other languages
English (en)
Other versions
CA186478S (en
Inventor
Kazuo Inoue
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Application granted granted Critical
Publication of CA1001526A publication Critical patent/CA1001526A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/18—Counterweights
    • 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
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Operation Control Of Excavators (AREA)
CA186,478A 1972-11-24 1973-11-22 Hydraulic circuit of cylinder for moving heavy article Expired CA1001526A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47117124A JPS4976252A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-11-24 1972-11-24

Publications (1)

Publication Number Publication Date
CA1001526A true CA1001526A (en) 1976-12-14

Family

ID=14704013

Family Applications (1)

Application Number Title Priority Date Filing Date
CA186,478A Expired CA1001526A (en) 1972-11-24 1973-11-22 Hydraulic circuit of cylinder for moving heavy article

Country Status (3)

Country Link
US (1) US3945518A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4976252A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1001526A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1027363B (it) * 1975-01-24 1978-11-20 Fiat Allis Macch Movi Trattore cingolato con gru a braccio mobile inclinabile lateralmente
JPS5533128Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1975-12-26 1980-08-07
US4132317A (en) * 1977-04-12 1979-01-02 Spetsialnoe Konstruktorskoe Bjuro Gazstroimashina Pipe laying crane
GB8430389D0 (en) * 1984-12-01 1985-01-09 Bamford Excavators Ltd Earth moving machine
US5222613A (en) * 1991-09-24 1993-06-29 Mcghie James R Pivotally-mounted reeved counterweight system
US20070221600A1 (en) * 2003-03-11 2007-09-27 Davis Daniel E Pipelayer and method of loading pipelayer or excavator for transportation
JP5122786B2 (ja) * 2005-11-18 2013-01-16 株式会社小松製作所 カウンタウェイトの着脱装置
US7967158B2 (en) 2006-10-27 2011-06-28 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight
US8069592B2 (en) * 2009-01-20 2011-12-06 Ellett William Anthony Heavy equipment vehicle for laying pipe
US9278834B2 (en) 2009-08-06 2016-03-08 Manitowoc Crane Group, LLC Lift crane with moveable counterweight
EP3099622B1 (en) 2014-01-27 2019-07-17 Manitowoc Crane Companies LLC Lift crane with improved movable counterweight
EP3099620A4 (en) 2014-01-27 2017-10-11 Manitowoc Crane Companies, Inc. Height adjustment mechanism for an auxiliary member on a crane
CN104528553B (zh) * 2015-01-28 2017-01-18 徐州重型机械有限公司 一种起重机械的移动式配重机构及起重机械
JP6455203B2 (ja) * 2015-02-10 2019-01-23 コベルコ建機株式会社 クローラクレーンのカーボディウエイト支持装置
KR101692313B1 (ko) * 2015-07-07 2017-01-04 박성식 필러지브크레인의 지렛대와 균형추 장치
KR101941485B1 (ko) * 2016-12-28 2019-01-24 박성식 부하(荷重)를 제어(制御)하는 복수(複數)의 지렛대와 균형추(4)장치
KR102162363B1 (ko) 2020-03-02 2020-10-06 현대건설기계 주식회사 카운터 웨이트 장착 장치 및 이를 포함하는 작업기계
CN111689411B (zh) * 2020-06-24 2022-05-31 三一汽车起重机械有限公司 配重变位机构和起重机

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474681A (en) * 1945-06-18 1949-06-28 Vickers Inc Flow control circuit
US2811136A (en) * 1955-10-27 1957-10-29 Cleveland Pneumatic Tool Co Lock mechanism for fluid motors
US3265218A (en) * 1963-02-07 1966-08-09 Giovannetti Macchine S P A Side boom pipe layer
US3236391A (en) * 1964-02-24 1966-02-22 Superior Equipment Company Counterweight system for tractors having side-mounted attachments

Also Published As

Publication number Publication date
US3945518A (en) 1976-03-23
JPS4976252A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-07-23

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