JPS56141402A - Control method for hydraulic system - Google Patents

Control method for hydraulic system

Info

Publication number
JPS56141402A
JPS56141402A JP4284080A JP4284080A JPS56141402A JP S56141402 A JPS56141402 A JP S56141402A JP 4284080 A JP4284080 A JP 4284080A JP 4284080 A JP4284080 A JP 4284080A JP S56141402 A JPS56141402 A JP S56141402A
Authority
JP
Japan
Prior art keywords
controller
rotational frequency
control
hydraulic system
fuel injection
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.)
Granted
Application number
JP4284080A
Other languages
English (en)
Other versions
JPS6038561B2 (ja
Inventor
Yukio Aoyanagi
Eiki Izumi
Hiroshi Watanabe
Kazuo Honma
Yoshio Nakajima
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
Priority to JP55042840A priority Critical patent/JPS6038561B2/ja
Publication of JPS56141402A publication Critical patent/JPS56141402A/ja
Publication of JPS6038561B2 publication Critical patent/JPS6038561B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E02F9/2246Control 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)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
JP55042840A 1980-04-03 1980-04-03 油圧式建設機械のエンジン回転数の制御方法 Expired JPS6038561B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55042840A JPS6038561B2 (ja) 1980-04-03 1980-04-03 油圧式建設機械のエンジン回転数の制御方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55042840A JPS6038561B2 (ja) 1980-04-03 1980-04-03 油圧式建設機械のエンジン回転数の制御方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP5830085A Division JPS60234101A (ja) 1985-03-25 1985-03-25 油圧式建設機械の油圧系統の制御方法

Publications (2)

Publication Number Publication Date
JPS56141402A true JPS56141402A (en) 1981-11-05
JPS6038561B2 JPS6038561B2 (ja) 1985-09-02

Family

ID=12647176

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55042840A Expired JPS6038561B2 (ja) 1980-04-03 1980-04-03 油圧式建設機械のエンジン回転数の制御方法

Country Status (1)

Country Link
JP (1) JPS6038561B2 (ja)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5732089A (en) * 1980-07-31 1982-02-20 Japan Steel Works Ltd:The Control unit for engine and pump of construction equipment
JPS591845U (ja) * 1982-06-28 1984-01-07 株式会社小松製作所 建設機械のエンジン制御装置
JPS5914939U (ja) * 1982-07-20 1984-01-30 愛知車輌株式会社 高所作業車のエンジン自動停止装置
JPS5948385A (ja) * 1982-09-08 1984-03-19 日本スピンドル製造株式会社 油圧クレ−ンの制御装置
JPS5952308A (ja) * 1982-09-16 1984-03-26 Caterpillar Mitsubishi Ltd 作業装置装備車輛の半自動操縦システム
JPS60131645U (ja) * 1984-02-10 1985-09-03 日立建機株式会社 エンジンの回転数制御装置
JPS60206944A (ja) * 1984-03-30 1985-10-18 Komatsu Ltd オ−トデセル装置
JPS613937U (ja) * 1984-06-14 1986-01-11 株式会社小松製作所 オ−トデセル装置
JPS6131532A (ja) * 1984-07-24 1986-02-14 Kubota Ltd シヨベル作業車
JPS61126388A (ja) * 1984-11-21 1986-06-13 Yunitsuku:Kk 油圧式クレーンの速度制御方法
JPS63142129A (ja) * 1986-12-03 1988-06-14 Komatsu Ltd 被作動体の駆動制御装置
US5967758A (en) * 1995-09-18 1999-10-19 Kabushiki Kaisha Kobe Seiko Sho Controlling device for controlling rotational speed of engine of hydraulic working machine
US6277050B1 (en) 1999-03-01 2001-08-21 Komatsu Ltd. Engine speed control system for work vehicle
WO2005064170A1 (ja) * 2003-12-26 2005-07-14 Komatsu Ltd. 作業車両及び作業車両のエンジン再始動制御方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0411487Y2 (ja) * 1986-04-04 1992-03-23
JP3115887B2 (ja) * 1990-09-28 2000-12-11 株式会社小松製作所 クローズドセンタ・ロードセンシングシステムにおけるポンプの吐出容積の可変回路
JP5053015B2 (ja) * 2007-09-25 2012-10-17 日立建機株式会社 建設機械の排気ガス浄化システム
JP5311907B2 (ja) * 2008-07-15 2013-10-09 Ihi建機株式会社 建設機械のオートデセル装置用作業状況検出装置
JP4990860B2 (ja) * 2008-09-09 2012-08-01 日立建機株式会社 作業機のエンジン制御システム
WO2023188579A1 (ja) 2022-03-28 2023-10-05 株式会社日立建機ティエラ 電動式建設機械の駆動システム

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5732089A (en) * 1980-07-31 1982-02-20 Japan Steel Works Ltd:The Control unit for engine and pump of construction equipment
JPS591845U (ja) * 1982-06-28 1984-01-07 株式会社小松製作所 建設機械のエンジン制御装置
JPS5914939U (ja) * 1982-07-20 1984-01-30 愛知車輌株式会社 高所作業車のエンジン自動停止装置
JPH0329558Y2 (ja) * 1982-07-20 1991-06-24
JPS5948385A (ja) * 1982-09-08 1984-03-19 日本スピンドル製造株式会社 油圧クレ−ンの制御装置
JPH0114445B2 (ja) * 1982-09-08 1989-03-13 Nippon Spindle Mfg Co Ltd
JPS5952308A (ja) * 1982-09-16 1984-03-26 Caterpillar Mitsubishi Ltd 作業装置装備車輛の半自動操縦システム
JPH0561151B2 (ja) * 1982-09-16 1993-09-03 Caterpillar Mitsubishi Ltd
JPS60131645U (ja) * 1984-02-10 1985-09-03 日立建機株式会社 エンジンの回転数制御装置
JPS60206944A (ja) * 1984-03-30 1985-10-18 Komatsu Ltd オ−トデセル装置
JPS613937U (ja) * 1984-06-14 1986-01-11 株式会社小松製作所 オ−トデセル装置
JPS6131532A (ja) * 1984-07-24 1986-02-14 Kubota Ltd シヨベル作業車
JPH0361811B2 (ja) * 1984-07-24 1991-09-24 Kubota Kk
JPS61126388A (ja) * 1984-11-21 1986-06-13 Yunitsuku:Kk 油圧式クレーンの速度制御方法
JPS63142129A (ja) * 1986-12-03 1988-06-14 Komatsu Ltd 被作動体の駆動制御装置
US5967758A (en) * 1995-09-18 1999-10-19 Kabushiki Kaisha Kobe Seiko Sho Controlling device for controlling rotational speed of engine of hydraulic working machine
US6277050B1 (en) 1999-03-01 2001-08-21 Komatsu Ltd. Engine speed control system for work vehicle
WO2005064170A1 (ja) * 2003-12-26 2005-07-14 Komatsu Ltd. 作業車両及び作業車両のエンジン再始動制御方法
GB2425368A (en) * 2003-12-26 2006-10-25 Komatsu Mfg Co Ltd Working vehicle and restart controlling method for working vehicle engine
GB2425368B (en) * 2003-12-26 2008-06-11 Komatsu Mfg Co Ltd Working vehicle and restart controlling method for working vehicle engine

Also Published As

Publication number Publication date
JPS6038561B2 (ja) 1985-09-02

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