JP4493175B2 - 油圧式掘削車輌 - Google Patents

油圧式掘削車輌 Download PDF

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Publication number
JP4493175B2
JP4493175B2 JP2000229301A JP2000229301A JP4493175B2 JP 4493175 B2 JP4493175 B2 JP 4493175B2 JP 2000229301 A JP2000229301 A JP 2000229301A JP 2000229301 A JP2000229301 A JP 2000229301A JP 4493175 B2 JP4493175 B2 JP 4493175B2
Authority
JP
Japan
Prior art keywords
work mode
pressure compensation
hydraulic cylinder
work
arm
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
JP2000229301A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002038533A (ja
Inventor
洋 澤田
誠一 渕田
公一 川村
登司男 横山
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
Priority to JP2000229301A priority Critical patent/JP4493175B2/ja
Priority to US09/910,851 priority patent/US20020011013A1/en
Priority to KR1020010045018A priority patent/KR100806269B1/ko
Priority to CNB011246529A priority patent/CN1157515C/zh
Publication of JP2002038533A publication Critical patent/JP2002038533A/ja
Application granted granted Critical
Publication of JP4493175B2 publication Critical patent/JP4493175B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/42Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43Control of dipper or bucket position; Control of sequence of drive operations
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2285Pilot-operated systems
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/42Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/435Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
    • E02F3/437Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like providing automatic sequences of movements, e.g. linear excavation, keeping dipper angle constant
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/965Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2221Control of flow rate; Load sensing arrangements
    • E02F9/2225Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2221Control of flow rate; Load sensing arrangements
    • E02F9/2232Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2296Systems with a variable displacement pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP2000229301A 2000-07-28 2000-07-28 油圧式掘削車輌 Expired - Fee Related JP4493175B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2000229301A JP4493175B2 (ja) 2000-07-28 2000-07-28 油圧式掘削車輌
US09/910,851 US20020011013A1 (en) 2000-07-28 2001-07-24 Hydraulic excavating mobile machine
KR1020010045018A KR100806269B1 (ko) 2000-07-28 2001-07-26 유압식 굴삭차량
CNB011246529A CN1157515C (zh) 2000-07-28 2001-07-27 油压式挖掘车辆

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000229301A JP4493175B2 (ja) 2000-07-28 2000-07-28 油圧式掘削車輌

Publications (2)

Publication Number Publication Date
JP2002038533A JP2002038533A (ja) 2002-02-06
JP4493175B2 true JP4493175B2 (ja) 2010-06-30

Family

ID=18722445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000229301A Expired - Fee Related JP4493175B2 (ja) 2000-07-28 2000-07-28 油圧式掘削車輌

Country Status (4)

Country Link
US (1) US20020011013A1 (zh)
JP (1) JP4493175B2 (zh)
KR (1) KR100806269B1 (zh)
CN (1) CN1157515C (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10332120A1 (de) * 2003-07-15 2005-02-03 Bosch Rexroth Ag Steueranordnung und Verfahren zur Ansteuerung von wenigstens zwei hydraulischen Verbrauchern
GB2417943B (en) * 2004-09-08 2008-10-15 Bamford Excavators Ltd Material handling vehicle
CN100362247C (zh) * 2004-12-17 2008-01-16 卢永松 带负荷敏感双泵合流型多路比例操纵阀
JP4827789B2 (ja) * 2007-04-18 2011-11-30 カヤバ工業株式会社 油圧アクチュエータ速度制御装置
CN101070707B (zh) * 2007-05-29 2011-06-15 三一重机有限公司 一种挖掘机回转控制方法和系统
US9299247B2 (en) * 2008-01-14 2016-03-29 Caterpillar Inc. System and method for adjusting machine parameters
DE102010023435A1 (de) * 2010-06-11 2011-12-15 Toni Kiesel Verfahren zur Ansteuerung eines hydraulisch bewegbaren Auslegers eines Arbeitsgerätes sowie ein Arbeitsgerät
DE102011106307A1 (de) * 2011-07-01 2013-01-03 Robert Bosch Gmbh Steueranordnung und Verfahren zum Ansteuern von mehreren hydraulischen Verbrauchern
CN103857844B (zh) * 2011-10-05 2016-11-23 沃尔沃建造设备有限公司 用于控制使用挖掘机的土地平整工作的系统
WO2019187519A1 (ja) * 2018-03-30 2019-10-03 住友建機株式会社 ショベル、情報処理装置
DE102018206271A1 (de) * 2018-04-24 2019-10-24 Putzmeister Engineering Gmbh Verfahren zur Bewegungssteuerung eines Masts und Arbeitsmaschine
JP7123735B2 (ja) * 2018-10-23 2022-08-23 ヤンマーパワーテクノロジー株式会社 建設機械及び建設機械の制御システム
CN110230334A (zh) * 2019-06-11 2019-09-13 徐州徐工挖掘机械有限公司 一种液压挖掘机智能平地装置及其控制方法
JP7149917B2 (ja) * 2019-09-30 2022-10-07 日立建機株式会社 作業機械

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0437974Y2 (zh) * 1986-01-10 1992-09-07
JPH0776862A (ja) * 1993-09-06 1995-03-20 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
JP2615207B2 (ja) * 1988-07-08 1997-05-28 日立建機株式会社 油圧駆動装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2863599B2 (ja) * 1990-04-09 1999-03-03 油谷重工株式会社 油圧式作業用機械の制御装置
JPH07190004A (ja) * 1993-12-28 1995-07-28 Hitachi Constr Mach Co Ltd 建設機械の油圧制御装置
JP3394581B2 (ja) * 1994-02-21 2003-04-07 日立建機株式会社 建設機械の油圧制御装置
KR0145446B1 (ko) * 1994-07-07 1998-07-15 안시환 이축배향 폴리에스테르 필름
JPH11315806A (ja) * 1998-03-04 1999-11-16 Komatsu Ltd 油圧駆動装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0437974Y2 (zh) * 1986-01-10 1992-09-07
JP2615207B2 (ja) * 1988-07-08 1997-05-28 日立建機株式会社 油圧駆動装置
JPH0776862A (ja) * 1993-09-06 1995-03-20 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置

Also Published As

Publication number Publication date
CN1157515C (zh) 2004-07-14
JP2002038533A (ja) 2002-02-06
US20020011013A1 (en) 2002-01-31
CN1336469A (zh) 2002-02-20
KR20020010515A (ko) 2002-02-04
KR100806269B1 (ko) 2008-02-22

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