KR950701032A - 건설기계의 유압구동 장치 - Google Patents

건설기계의 유압구동 장치

Info

Publication number
KR950701032A
KR950701032A KR1019940703211A KR19940703211A KR950701032A KR 950701032 A KR950701032 A KR 950701032A KR 1019940703211 A KR1019940703211 A KR 1019940703211A KR 19940703211 A KR19940703211 A KR 19940703211A KR 950701032 A KR950701032 A KR 950701032A
Authority
KR
South Korea
Prior art keywords
driving device
construction machinery
hydraulic driving
hydraulic
machinery
Prior art date
Application number
KR1019940703211A
Other languages
English (en)
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
Priority claimed from JP5021344A external-priority patent/JP2709012B2/ja
Priority claimed from JP05087425A external-priority patent/JP3088584B2/ja
Application filed filed Critical
Publication of KR950701032A publication Critical patent/KR950701032A/ko

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
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • 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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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
    • 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
    • E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools

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)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Component Parts Of Construction Machinery (AREA)
KR1019940703211A 1993-02-09 1994-09-14 건설기계의 유압구동 장치 KR950701032A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5021344A JP2709012B2 (ja) 1993-02-09 1993-02-09 建設機械の油圧駆動装置
JP05087425A JP3088584B2 (ja) 1993-04-14 1993-04-14 建設機械の油圧駆動装置

Publications (1)

Publication Number Publication Date
KR950701032A true KR950701032A (ko) 1995-02-20

Family

ID=26358383

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019940703211A KR0135625B1 (ko) 1993-02-09 1994-02-09 건설기계의 유압구동장치
KR1019940703211A KR950701032A (ko) 1993-02-09 1994-09-14 건설기계의 유압구동 장치

Family Applications Before (1)

Application Number Title Priority Date Filing Date
KR1019940703211A KR0135625B1 (ko) 1993-02-09 1994-02-09 건설기계의 유압구동장치

Country Status (5)

Country Link
US (1) US5488787A (ko)
EP (1) EP0638690B1 (ko)
KR (2) KR0135625B1 (ko)
DE (1) DE69420491T2 (ko)
WO (1) WO1994018399A1 (ko)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5784812A (en) * 1994-07-13 1998-07-28 O&K Orenstein & Koppel Ag Method of controlling the positioning of an outfit tilting cylinder mounted on the descending lift frame of movable construction machines
JP3091667B2 (ja) * 1995-06-09 2000-09-25 日立建機株式会社 建設機械の領域制限掘削制御装置
DE29520328U1 (de) * 1995-12-22 1996-02-08 Hydac System Gmbh Steuerungsvorrichtung
KR100231757B1 (ko) * 1996-02-21 1999-11-15 사쿠마 하지메 건설기계의 작업기 제어방법 및 그 장치
US5722190A (en) * 1996-03-15 1998-03-03 The Gradall Company Priority biased load sense hydraulic system for hydraulic excavators
JPH101978A (ja) * 1996-06-13 1998-01-06 Yutani Heavy Ind Ltd バッテリ駆動の作業機械
US6078855A (en) * 1996-06-19 2000-06-20 Kabushiki Kaisha Kobe Seiko Sho Battery-driven hydraulic excavator
JP3339821B2 (ja) * 1998-06-29 2002-10-28 新キャタピラー三菱株式会社 作業機械のロック方法およびそのロック装置
US6106082A (en) * 1998-12-21 2000-08-22 Caterpillar Paving Products Inc. Track tension system
US6202014B1 (en) * 1999-04-23 2001-03-13 Clark Equipment Company Features of main control computer for a power machine
US6357231B1 (en) 2000-05-09 2002-03-19 Clark Equipment Company Hydraulic pump circuit for mini excavators
US6568898B2 (en) * 2000-05-26 2003-05-27 Komatsu Limited Hydraulic shovel with hoisting hook
DE60139154D1 (de) * 2001-01-19 2009-08-13 Hitachi Construction Machinery Hydraulikmotor-störungsdetektor und hydraulisch angetriebenes fahrzeug
JP3859982B2 (ja) * 2001-04-27 2006-12-20 株式会社神戸製鋼所 ハイブリッド建設機械の電力制御装置
JP2004011168A (ja) * 2002-06-04 2004-01-15 Komatsu Ltd 建設機械
JP4082935B2 (ja) * 2002-06-05 2008-04-30 株式会社小松製作所 ハイブリッド式建設機械
JP2009511786A (ja) * 2005-10-14 2009-03-19 ボルボ コンストラクション イクイップメント アーベー 作業機械および作業機械の操作方法
US20080223631A1 (en) * 2005-10-14 2008-09-18 Volvo Construction Equipment Ab Working Machine
DE102006009063A1 (de) * 2006-02-27 2007-08-30 Liebherr-Werk Nenzing Gmbh, Nenzing Verfahren sowie Vorrichtung zur Regelung eines hydraulischen Antriebssystems
US7857070B2 (en) * 2006-04-18 2010-12-28 Deere & Company Control system using a single proportional valve
JP5095754B2 (ja) * 2007-12-13 2012-12-12 株式会社小松製作所 リッパの操作装置
DE602008004099D1 (de) * 2008-04-29 2011-02-03 Parker Hannifin Ab Anordnung zum Bedienen einer hydraulischen Vorrichtung
EP2592189A1 (en) * 2010-07-06 2013-05-15 Volvo Construction Equipment AB Horsepower control system of a hybrid excavator and control method therefor
DE102012020984A1 (de) * 2012-10-25 2014-04-30 Liebherr-Hydraulikbagger Gmbh Vorrichtung zur Fahrgeschwindigkeitssteuerung/-regelung eines Arbeitsfahrzeugs und Verfahren hierzu
CN104838073B (zh) * 2012-11-23 2017-03-08 沃尔沃建造设备有限公司 用于控制工程机械的优先功能的设备和方法
US10161112B2 (en) * 2015-05-22 2018-12-25 Philip Paull Valve systems and method for enhanced grading control
US11327512B1 (en) * 2020-10-22 2022-05-10 Zoomlion Heavy Industry Na, Inc. Hydraulic lockout lever failure detection system

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3461666D1 (en) * 1983-02-12 1987-01-22 Hikoma Seisakusho Kk Earth-working machine
FR2570372B1 (fr) * 1984-09-20 1986-11-28 Rhone Poulenc Sante Tetrachloro-1,7,11,15 tetramethyl-3,7,11,15 hexadecene-2, sa preparation et son emploi
JPS61112069U (ko) * 1984-12-25 1986-07-15
US4744285A (en) * 1987-03-10 1988-05-17 Applied Power Inc. Alternating valve
JP2503227B2 (ja) * 1987-04-06 1996-06-05 日産自動車株式会社 車両用油圧供給装置
US4809586A (en) * 1987-09-11 1989-03-07 Deere & Company Hydraulic system for a work vehicle
JPS6475604A (en) * 1987-09-16 1989-03-22 Honda Motor Co Ltd Method for molding aluminum alloy powder
JPH0175604U (ko) * 1987-11-09 1989-05-23
JPH0313364A (ja) * 1989-06-12 1991-01-22 Brother Ind Ltd 印字装置
JPH0745655Y2 (ja) * 1989-06-27 1995-10-18 株式会社小松製作所 油圧式掘削機のロック装置
JPH0430038A (ja) * 1990-05-25 1992-02-03 Hitachi Constr Mach Co Ltd 建設機械用アクチュエータ駆動回路
GB2250108B (en) * 1990-10-31 1995-02-08 Samsung Heavy Ind Control system for automatically controlling actuators of an excavator
US5195864A (en) * 1991-08-28 1993-03-23 Case Corporation Hydraulic system for a wheel loader
JP3126983B2 (ja) * 1991-12-24 2001-01-22 日立建機株式会社 建設機械の油圧駆動装置
US5425431A (en) * 1994-02-18 1995-06-20 Clark Equipment Company Interlock control system for power machine

Also Published As

Publication number Publication date
EP0638690A4 (en) 1997-03-05
DE69420491D1 (de) 1999-10-14
EP0638690A1 (en) 1995-02-15
DE69420491T2 (de) 1999-12-23
KR0135625B1 (ko) 1998-04-24
WO1994018399A1 (en) 1994-08-18
EP0638690B1 (en) 1999-09-08
US5488787A (en) 1996-02-06

Similar Documents

Publication Publication Date Title
KR950701032A (ko) 건설기계의 유압구동 장치
DE69328026D1 (de) Kupplungsvorrichtung für schwere erdbewegungsmaschinen
DE69306738D1 (de) Hydraulisches antriebsystem
KR950701042A (ko) 유압작업기의 유압구동장치
DE59402917D1 (de) Hydraulikaggregat
DE69311239D1 (de) Hydraulisches antriebsystem
DE69727209D1 (de) Hydraulische antriebsvorrichtung
DE69400294D1 (de) Hydraulische Steuereinrichtung für Baumaschinen
KR940024342U (ko) 유압 펀처
FI941710A0 (fi) Hydraulinen moottori
DE69727659T2 (de) Hydraulische antriebsvorrichtung
DE69610808D1 (de) Hydraulischer Antrieb
ID17933A (id) Mesin hidraulik
DE69218180D1 (de) Hydraulischer antrieb für baumaschinen
DE69400016D1 (de) Hydraulische Kraftlenkvorrichtung.
DE69414547D1 (de) Hydraulik-kupplung
DK25592D0 (da) Slaamaskine for graesafgroeder
FI932210A0 (fi) Hydraulisk drivanordning foer en fartygslastlucka
NO931797L (no) Hydraulisk kobling
KR920701584A (ko) 토목·건설기계의 유압구동장치
DK137093D0 (da) Hydraulisk tromlemotor
DE4499555T1 (de) Hydraulische Kolbenmaschine
DE69423511D1 (de) Hydraulischer schlagantrieb
ITMI932340A0 (it) Dispositivo di idromaddaggio localizzato
DE59405062D1 (de) Hydraulische Steuereinrichtung

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20070110

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee