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EP1600419A4 - Hydraulic control device of hydraulic working machine - Google Patents

Hydraulic control device of hydraulic working machine

Info

Publication number
EP1600419A4
EP1600419A4 EP04715501A EP04715501A EP1600419A4 EP 1600419 A4 EP1600419 A4 EP 1600419A4 EP 04715501 A EP04715501 A EP 04715501A EP 04715501 A EP04715501 A EP 04715501A EP 1600419 A4 EP1600419 A4 EP 1600419A4
Authority
EP
European Patent Office
Prior art keywords
hydraulic
control device
working machine
hydraulic control
hydraulic working
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.)
Withdrawn
Application number
EP04715501A
Other languages
German (de)
French (fr)
Other versions
EP1600419A1 (en
Inventor
Kensuke Sato
Tsukasa Toyooka
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of EP1600419A1 publication Critical patent/EP1600419A1/en
Publication of EP1600419A4 publication Critical patent/EP1600419A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
    • E02F3/433—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude horizontal, e.g. self-levelling
    • 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
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/065—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted
    • B66F9/0655—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted with a telescopic boom
    • 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
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/22—Hydraulic devices or systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP04715501A 2003-02-27 2004-02-27 Hydraulic control device of hydraulic working machine Withdrawn EP1600419A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003051569 2003-02-27
JP2003051569 2003-02-27
PCT/JP2004/002380 WO2004076334A1 (en) 2003-02-27 2004-02-27 Hydraulic control device of hydraulic working machine

Publications (2)

Publication Number Publication Date
EP1600419A1 EP1600419A1 (en) 2005-11-30
EP1600419A4 true EP1600419A4 (en) 2006-12-27

Family

ID=32923369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04715501A Withdrawn EP1600419A4 (en) 2003-02-27 2004-02-27 Hydraulic control device of hydraulic working machine

Country Status (5)

Country Link
EP (1) EP1600419A4 (en)
JP (1) JPWO2004076334A1 (en)
KR (1) KR20050101351A (en)
CN (1) CN1753831A (en)
WO (1) WO2004076334A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100866633B1 (en) * 2007-05-30 2008-11-03 강남국 A oil pressure device and a alignment circling system thereof
JP5300448B2 (en) * 2008-12-12 2013-09-25 カヤバ工業株式会社 Work machine control circuit with traveling mechanism
KR101088752B1 (en) * 2009-05-22 2011-12-01 볼보 컨스트럭션 이큅먼트 에이비 hydraulic system with improvement complex operation
CN102030293B (en) * 2010-12-10 2012-09-19 徐州重型机械有限公司 Elevated operation vehicle and platform leveling hydraulic system thereof
CN102616707B (en) * 2011-01-30 2014-10-29 长沙中联消防机械有限公司 Work bucket leveling control device
CN103046590A (en) * 2013-01-30 2013-04-17 江苏柳工机械有限公司 Control method of hydraulic working system of loading machine
CN103629175B (en) * 2013-11-28 2016-05-04 长沙中联消防机械有限公司 working bucket hydraulic control system and engineering vehicle
CN104728200B (en) * 2013-12-24 2018-05-15 卡特彼勒（青州）有限公司 Hydraulic system and the loading machine including the hydraulic system
JP6317656B2 (en) 2014-10-02 2018-04-25 日立建機株式会社 Hydraulic drive system for work machines
JP6291394B2 (en) * 2014-10-02 2018-03-14 日立建機株式会社 Hydraulic drive system for work machines
JP6618366B2 (en) * 2016-01-14 2019-12-11 日立建機株式会社 Wheel loader cargo handling equipment
CN106460363B (en) * 2016-05-31 2019-11-08 株式会社小松制作所 Control system, the control method of Work machine and Work machine of Work machine
ES2883336T3 (en) 2016-08-30 2021-12-07 Clark Equipment Co Power booster
CN107061388B (en) * 2017-04-07 2018-05-01 临工集团济南重机有限公司 It is a kind of to prevent descending from shaking and turning to the lifting working platform Ye Qu mechanisms being emptied
KR101980909B1 (en) * 2018-02-13 2019-05-21 강남국 Incoming auxiliary apparatus for high place working vehicle
CN109610537A (en) * 2018-11-20 2019-04-12 江苏徐工工程机械研究院有限公司 Engineering vehicle scraper bowl levelling mechanism
DE102019129300A1 (en) * 2019-10-30 2021-05-06 Kramer-Werke Gmbh Power machine with a frame and a pivotable boom
JP7165155B2 (en) * 2020-03-11 2022-11-02 株式会社日立建機ティエラ working machine
CN112064698A (en) * 2020-08-21 2020-12-11 中联重科股份有限公司 Bucket automatic leveling control method and system based on angle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3545185C1 (en) * 1985-12-20 1987-07-23 Krupp Gmbh Luffing-crane jib
DE4331777A1 (en) * 1993-09-18 1995-03-30 Schaeff Karl Gmbh & Co Wide-angle swivel drive for the basic jib of a loading machine
FR2731729A1 (en) * 1995-03-16 1996-09-20 Soc Et Et D Innovation Dans Le Hydraulic control circuit for loading arms on tractors
EP1195470A1 (en) * 2000-10-03 2002-04-10 NEW HOLLAND ITALIA S.p.A. Earth-moving machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822237A (en) * 1985-11-21 1989-04-18 The Gradall Company Extended reach materials handling apparatus
JPH0365765U (en) * 1989-10-27 1991-06-26
JP2566631Y2 (en) * 1992-06-10 1998-03-30 株式会社タダノ Leveling equipment for aerial work vehicles
JP2003034494A (en) * 2001-07-19 2003-02-07 Aichi Corp Leveling device for high lift work vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3545185C1 (en) * 1985-12-20 1987-07-23 Krupp Gmbh Luffing-crane jib
DE4331777A1 (en) * 1993-09-18 1995-03-30 Schaeff Karl Gmbh & Co Wide-angle swivel drive for the basic jib of a loading machine
FR2731729A1 (en) * 1995-03-16 1996-09-20 Soc Et Et D Innovation Dans Le Hydraulic control circuit for loading arms on tractors
EP1195470A1 (en) * 2000-10-03 2002-04-10 NEW HOLLAND ITALIA S.p.A. Earth-moving machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2004076334A1 *

Also Published As

Publication number Publication date
WO2004076334A1 (en) 2004-09-10
KR20050101351A (en) 2005-10-21
EP1600419A1 (en) 2005-11-30
CN1753831A (en) 2006-03-29
JPWO2004076334A1 (en) 2006-06-01

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20050902

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): DE FR GB IT NL SE

A4 Supplementary search report drawn up and despatched

Effective date: 20061128

RIC1 Information provided on ipc code assigned before grant

Ipc: E02F 3/43 20060101ALI20061122BHEP

Ipc: B66F 9/065 20060101ALI20061122BHEP

Ipc: B66F 9/22 20060101AFI20040913BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20070227