DE69029633D1 - Hydraulisches antriebssystem für das bauwesen und für baumaschinen - Google Patents

Hydraulisches antriebssystem für das bauwesen und für baumaschinen

Info

Publication number
DE69029633D1
DE69029633D1 DE69029633T DE69029633T DE69029633D1 DE 69029633 D1 DE69029633 D1 DE 69029633D1 DE 69029633 T DE69029633 T DE 69029633T DE 69029633 T DE69029633 T DE 69029633T DE 69029633 D1 DE69029633 D1 DE 69029633D1
Authority
DE
Germany
Prior art keywords
construction
drive system
hydraulic drive
machinery
construction machinery
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 - Fee Related
Application number
DE69029633T
Other languages
English (en)
Other versions
DE69029633T2 (de
Inventor
Hideaki - Tanaka
Toichi - Hirata
Genroku Sugiyama
Masakazu Chiyoda-House - Haga
Yusuke Kawaraba-Apartme Kajita
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
Application granted granted Critical
Publication of DE69029633D1 publication Critical patent/DE69029633D1/de
Publication of DE69029633T2 publication Critical patent/DE69029633T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps 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
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves 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
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2285—Pilot-operated systems
    • 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
    • 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
    • E02F9/2296—Systems with a variable displacement pump

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)
DE69029633T 1989-03-22 1990-03-20 Hydraulisches antriebssystem für das bauwesen und für baumaschinen Expired - Fee Related DE69029633T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6762089 1989-03-22
PCT/JP1990/000375 WO1990011413A1 (en) 1989-03-22 1990-03-20 Hydraulic drive unit for civil engineering and construction machinery

Publications (2)

Publication Number Publication Date
DE69029633D1 true DE69029633D1 (de) 1997-02-20
DE69029633T2 DE69029633T2 (de) 1997-05-07

Family

ID=13350200

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69029633T Expired - Fee Related DE69029633T2 (de) 1989-03-22 1990-03-20 Hydraulisches antriebssystem für das bauwesen und für baumaschinen

Country Status (5)

Country Link
US (1) US5062350A (de)
EP (1) EP0419673B1 (de)
KR (1) KR940009215B1 (de)
DE (1) DE69029633T2 (de)
WO (1) WO1990011413A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940009219B1 (ko) * 1989-03-30 1994-10-01 히다찌 겐끼 가부시기가이샤 장궤식차량의 유압구동장치
US5209063A (en) * 1989-05-24 1993-05-11 Kabushiki Kaisha Komatsu Seisakusho Hydraulic circuit utilizing a compensator pressure selecting value
DE69029904T2 (de) * 1989-08-16 1997-05-22 Komatsu Mfg Co Ltd Hydraulische schaltungsanordnung
US5267440A (en) * 1990-09-11 1993-12-07 Hitachi Construction Machinery Co., Ltd. Hydraulic control system for construction machine
GB2251232B (en) * 1990-09-29 1995-01-04 Samsung Heavy Ind Automatic actuating system for actuators of excavator
GB2250611B (en) * 1990-11-24 1995-05-17 Samsung Heavy Ind System for automatically controlling quantity of hydraulic fluid of an excavator
JP3216815B2 (ja) * 1991-01-23 2001-10-09 株式会社小松製作所 圧力補償弁を有する油圧回路
JP2568507Y2 (ja) * 1991-09-27 1998-04-15 株式会社小松製作所 建設機械の微操作モード制御装置
DE4229950C2 (de) * 1992-09-08 1996-02-01 Hemscheidt Maschtech Schwerin Verfahren und Einrichtung zur Steuerung und Regelung eines Druckstromerzeugers für mehrere parallel geschaltete unterschiedliche hydraulische Verbraucher
WO1994021925A1 (en) * 1993-03-23 1994-09-29 Hitachi Construction Machinery Co., Ltd. Hydraulic drive for hydraulic work machine
US5447093A (en) * 1993-03-30 1995-09-05 Caterpillar Inc. Flow force compensation
JPH0742705A (ja) * 1993-07-30 1995-02-10 Yutani Heavy Ind Ltd 作業機械の油圧装置
WO1995009282A1 (fr) * 1993-09-28 1995-04-06 Komatsu Ltd. Appareil d'alimentation en huile sous pression
US5575148A (en) * 1993-11-30 1996-11-19 Hitachi Construction Machinery Co., Ltd. Hydraulic pump control system
KR950017622A (ko) * 1993-12-14 1995-07-20 전성원 4륜 조향 시스템
JP3646812B2 (ja) * 1995-05-02 2005-05-11 株式会社小松製作所 移動式破砕機の制御回路
JP3762480B2 (ja) * 1996-04-30 2006-04-05 株式会社不二越 油圧駆動装置
US6050090A (en) * 1996-06-11 2000-04-18 Kabushiki Kaisha Kobe Seiko Sho Control apparatus for hydraulic excavator
JP3777114B2 (ja) * 2001-11-05 2006-05-24 日立建機株式会社 油圧作業機の油圧回路装置
US20050081518A1 (en) * 2003-10-20 2005-04-21 Pengfei Ma Flow-control apparatus for controlling the swing speed of a boom assembly
GB2417943B (en) * 2004-09-08 2008-10-15 Bamford Excavators Ltd Material handling vehicle
CN101824916B (zh) * 2010-03-26 2011-11-09 长沙中联重工科技发展股份有限公司 混凝土布料设备臂架复合运动控制系统、方法和电控系统
EP3514394A1 (de) 2010-05-11 2019-07-24 Parker Hannifin Corp. Druckkompensiertes hydrauliksystem mit differenzdruckregler
WO2012091187A1 (ko) * 2010-12-27 2012-07-05 볼보 컨스트럭션 이큅먼트 에이비 건설기계의 붐-선회 복합구동 유압 제어시스템
JP5562893B2 (ja) * 2011-03-31 2014-07-30 住友建機株式会社 ショベル
US8893490B2 (en) * 2011-10-21 2014-11-25 Caterpillar Inc. Hydraulic system
EP4335981A1 (de) * 2022-09-08 2024-03-13 XCMG European Research Center GmbH Baumaschine mit einem hydrauliksystem

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911942A (en) * 1974-03-28 1975-10-14 Gen Signal Corp Compensated multifunction hydraulic system
US4369625A (en) * 1979-06-27 1983-01-25 Hitachi Construction Machinery Co., Ltd. Drive system for construction machinery and method of controlling hydraulic circuit means thereof
JPS5811235A (ja) * 1981-07-08 1983-01-22 Toshiba Mach Co Ltd 車輌用油圧装置
DE3321483A1 (de) * 1983-06-14 1984-12-20 Linde Ag, 6200 Wiesbaden Hydraulische einrichtung mit einer pumpe und mindestens zwei von dieser beaufschlagten verbrauchern hydraulischer energie
DE3678090D1 (de) * 1985-09-06 1991-04-18 Hitachi Construction Machinery Hydraulisches vorsteuersystem fuer die bedienung von wegeventilen.
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
IN171213B (de) * 1988-01-27 1992-08-15 Hitachi Construction Machinery
EP0379595B1 (de) * 1988-07-08 1993-09-29 Hitachi Construction Machinery Co., Ltd. Hydrodynamische antriebsvorrichtung
JPH02107802A (ja) * 1988-08-31 1990-04-19 Hitachi Constr Mach Co Ltd 油圧駆動装置
JPH0611706A (ja) * 1992-06-26 1994-01-21 Seiko Epson Corp 防眩フィルム及びその製造方法及び防眩フィルムを用いた表示装置

Also Published As

Publication number Publication date
EP0419673A1 (de) 1991-04-03
EP0419673A4 (en) 1991-12-18
US5062350A (en) 1991-11-05
WO1990011413A1 (en) 1990-10-04
KR940009215B1 (ko) 1994-10-01
DE69029633T2 (de) 1997-05-07
KR920700333A (ko) 1992-02-19
EP0419673B1 (de) 1997-01-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee