KR900011947A - 유압식 쇼블용 오일 유압회로 - Google Patents

유압식 쇼블용 오일 유압회로

Info

Publication number
KR900011947A
KR900011947A KR1019900000571A KR900000571A KR900011947A KR 900011947 A KR900011947 A KR 900011947A KR 1019900000571 A KR1019900000571 A KR 1019900000571A KR 900000571 A KR900000571 A KR 900000571A KR 900011947 A KR900011947 A KR 900011947A
Authority
KR
South Korea
Prior art keywords
hydraulic
shovel
oil
circuit
hydraulic circuit
Prior art date
Application number
KR1019900000571A
Other languages
English (en)
Other versions
KR940008633B1 (ko
Inventor
가즈히꼬 후지이
와타루 구보모도
히로시 시모가끼우찌
스미오 고우찌
Original Assignee
가부시끼가이샤 고오베 세이꼬오쇼
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 가부시끼가이샤 고오베 세이꼬오쇼 filed Critical 가부시끼가이샤 고오베 세이꼬오쇼
Publication of KR900011947A publication Critical patent/KR900011947A/ko
Application granted granted Critical
Publication of KR940008633B1 publication Critical patent/KR940008633B1/ko

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
    • E02F3/08—Dredgers; Soil-shifting machines mechanically-driven with digging elements on an endless chain
    • E02F3/12—Component parts, e.g. bucket troughs
    • E02F3/16—Safety or control devices
    • 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E02F9/2242—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance including an electronic controller
    • 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
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
KR1019900000571A 1989-01-31 1990-01-18 유압식 쇼블용 오일 유압회로 KR940008633B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1023470A JPH07116721B2 (ja) 1989-01-31 1989-01-31 油圧ショベルの油圧回路
JP1-23470 1989-01-31

Publications (2)

Publication Number Publication Date
KR900011947A true KR900011947A (ko) 1990-08-02
KR940008633B1 KR940008633B1 (ko) 1994-09-24

Family

ID=12111417

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900000571A KR940008633B1 (ko) 1989-01-31 1990-01-18 유압식 쇼블용 오일 유압회로

Country Status (6)

Country Link
US (1) US5101627A (ko)
EP (1) EP0381328B1 (ko)
JP (1) JPH07116721B2 (ko)
KR (1) KR940008633B1 (ko)
DE (1) DE69009073T2 (ko)
ES (1) ES2056370T3 (ko)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2702646B2 (ja) * 1992-08-07 1998-01-21 株式会社クボタ バックホウ装置の油圧回路構造
US5335494A (en) * 1993-01-21 1994-08-09 Deere & Company Hydraulic system for reel mower vehicles
KR0185418B1 (ko) * 1993-06-30 1999-04-01 토니헬샴 휠타입 굴삭기의 변속장치
KR0184512B1 (ko) * 1993-07-05 1999-04-15 토니헬샴 유압작동기의 방향 및 속도 제어장치
JP2892939B2 (ja) * 1994-06-28 1999-05-17 日立建機株式会社 油圧掘削機の油圧回路装置
KR960021784A (ko) * 1994-12-28 1996-07-18 김무 중장비의 직진주행장치
JPH08246913A (ja) * 1995-03-03 1996-09-24 Toyota Motor Corp 自動変速機の制御装置
JP3153096B2 (ja) * 1995-04-27 2001-04-03 株式会社クボタ 芝刈機の昇降用バルブ構造
WO1996036776A1 (fr) * 1995-05-17 1996-11-21 Komatsu Ltd. Circuit hydraulique pour engins de travaux publics a commande hydraulique
JP3183815B2 (ja) * 1995-12-27 2001-07-09 日立建機株式会社 油圧ショベルの油圧回路
JP3497947B2 (ja) * 1996-06-11 2004-02-16 日立建機株式会社 油圧駆動装置
JPH1113091A (ja) * 1997-06-23 1999-01-19 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
US7138103B2 (en) * 1998-06-22 2006-11-21 Immunomedics, Inc. Use of bi-specific antibodies for pre-targeting diagnosis and therapy
JP4111286B2 (ja) * 1998-06-30 2008-07-02 コベルコ建機株式会社 建設機械の走行制御方法及び同装置
US6220754B1 (en) 1998-09-09 2001-04-24 The Glad Products Company Closure device and slider
JP3491600B2 (ja) 2000-04-13 2004-01-26 コベルコ建機株式会社 建設機械の油圧制御回路
JP4290861B2 (ja) * 2000-07-28 2009-07-08 コベルコクレーン株式会社 クレーンの油圧回路
US6612109B2 (en) * 2001-12-20 2003-09-02 Case Corporation Hydraulic power boost system for a work vehicle
US6618659B1 (en) 2003-01-14 2003-09-09 New Holland North America, Inc. Boom/bucket hydraulic fluid sharing method
US6901754B2 (en) * 2003-10-01 2005-06-07 Husco International, Inc. Power conserving hydraulic pump bypass compensator circuit
JP4232784B2 (ja) * 2006-01-20 2009-03-04 コベルコ建機株式会社 作業機械の油圧制御装置
JP5066987B2 (ja) * 2007-04-10 2012-11-07 コベルコ建機株式会社 油圧ショベルの油圧制御装置
CN103640974B (zh) * 2013-11-25 2015-07-22 无锡纳润特科技有限公司 船用起重机远程液压控制系统
US9805618B2 (en) * 2015-02-06 2017-10-31 Caterpillar Inc. Real time evaluation and coaching system
US9441348B1 (en) 2015-03-31 2016-09-13 Caterpillar Inc. Hydraulic system with operator skill level compensation
JP7245581B2 (ja) * 2018-10-10 2023-03-24 株式会社小松製作所 運搬車両に素材を積み込む作業機械を制御するためのシステム及び方法
US11105653B2 (en) 2019-02-05 2021-08-31 Caterpillar Inc. System for generating map with instructional tips
DE102019109773A1 (de) * 2019-04-12 2020-10-15 Wirtgen Gmbh Baumaschine und Verfahren zum Steuern einer Baumaschine
JP7324717B2 (ja) * 2020-01-14 2023-08-10 キャタピラー エス エー アール エル 油圧制御システム

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE209881C (ko) *
US3704800A (en) * 1970-04-21 1972-12-05 Interlake Steel Corp Hydraulic load carrier
DE2435602C3 (de) * 1974-07-24 1980-06-12 International Harvester Company Mbh, 4040 Neuss Selbsttätige Steuereinrichtung zur Verteilung des Druckmittels auf zwei Hydrauliksysteme
US3972185A (en) * 1975-02-28 1976-08-03 Caterpillar Tractor Co. Hydraulic system for a pipelayer
US3987704A (en) * 1976-02-27 1976-10-26 Caterpillar Tractor Co. Fluid system of a work vehicle having fluid combining means
US3998053A (en) * 1976-03-15 1976-12-21 Caterpillar Tractor Co. Three-pump - three-circuit fluid system of a work vehicle having controlled fluid-combining means
US4210061A (en) * 1976-12-02 1980-07-01 Caterpillar Tractor Co. Three-circuit fluid system having controlled fluid combining
US4112821A (en) * 1976-12-03 1978-09-12 Caterpillar Tractor Co. Fluid control system for multiple circuited work elements
US4070857A (en) * 1976-12-22 1978-01-31 Towmotor Corporation Hydraulic priority circuit
US4142445A (en) * 1977-03-17 1979-03-06 Caterpillar Tractor Co. Crossover plural circuit fluid system
US4121501A (en) * 1977-07-11 1978-10-24 Caterpillar Tractor Co. Flow combining system for dual pumps
KR870000506B1 (ko) * 1981-05-02 1987-03-12 니시모도 후미히라(西元文平) 토목 건설기계의 유압회로 시스템
DE3221160C2 (de) * 1982-06-04 1986-05-07 Mannesmann Rexroth GmbH, 8770 Lohr Aus zwei Steuerblöcken bestehende Steuerventileinrichtung für mehrere hydraulische Antriebe, insbesondere von Mobilgeräten
DD209881A1 (de) * 1982-09-22 1984-05-23 Peter Prusseit Summierung fuer ein mehrkreishydrauliksystem
DE3406228A1 (de) * 1984-02-21 1985-08-29 Mannesmann Rexroth GmbH, 8770 Lohr Hydrauliksystem fuer einen landwirtschaftlichen schlepper
JPS62284835A (ja) * 1986-06-03 1987-12-10 Sumitomo Heavy Ind Ltd 油圧シヨベルの油圧回路
JPH076530B2 (ja) * 1986-09-27 1995-01-30 日立建機株式会社 油圧ショベルの油圧回路
DE3703297A1 (de) * 1987-02-04 1988-08-18 Fendt & Co Xaver Hydraulikanlage zur betaetigung von arbeitsgeraeten an fahrzeugen

Also Published As

Publication number Publication date
KR940008633B1 (ko) 1994-09-24
EP0381328A3 (en) 1991-04-24
DE69009073T2 (de) 1994-09-15
DE69009073D1 (de) 1994-06-30
JPH07116721B2 (ja) 1995-12-13
ES2056370T3 (es) 1994-10-01
US5101627A (en) 1992-04-07
EP0381328B1 (en) 1994-05-25
JPH02204532A (ja) 1990-08-14
EP0381328A2 (en) 1990-08-08

Similar Documents

Publication Publication Date Title
KR900011947A (ko) 유압식 쇼블용 오일 유압회로
DE3769260D1 (de) Hydraulikkreislauf fuer hydraulisch betaetigte erdbewegungsmaschinen.
DK0421616T3 (da) Hydraulisk indretning
DE69129297D1 (de) Hydraulikkreislauf
DE69008447D1 (de) Hydraulische Antischwingungsvorrichtungen.
DE68906824D1 (de) Hydraulischer kreislauf fuer schaufelbagger.
DE59002832D1 (de) Hydraulikaggregat.
DE69008335D1 (de) Ölzusammensetzung.
DK178891D0 (da) Hydraulisk kredsloeb
FR2630495B1 (fr) Foreuse hydraulique
KR920701693A (ko) 유압 회로장치
DE69028291D1 (de) Hydraulische schaltung
DE69003544D1 (de) Aenderungen an hydraulischen antischwingungsvorrichtungen.
DE69009081D1 (de) Hydraulische Turbine.
DE69002135D1 (de) Hydraulischer bremskreis.
FR2631077B1 (fr) Foreuse hydraulique
DE69005633D1 (de) Hydraulischer stössel.
DE69001950D1 (de) Hydraulischer stoessel.
DE58907963D1 (de) Hydraulische schaltungsanordnung.
DE69025462D1 (de) Hydraulische schaltungsvorrichtung
DE69000068D1 (de) Hydraulischer stoessel.
DE69001952D1 (de) Hydraulischer stoessel.
ATA198189A (de) Loeffelbagger
FR2643423B1 (fr) Automatisme hydraulique
ATA272689A (de) Oelbindemittel

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20000915

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee