JPH0552376B2 - - Google Patents

Info

Publication number
JPH0552376B2
JPH0552376B2 JP64986A JP64986A JPH0552376B2 JP H0552376 B2 JPH0552376 B2 JP H0552376B2 JP 64986 A JP64986 A JP 64986A JP 64986 A JP64986 A JP 64986A JP H0552376 B2 JPH0552376 B2 JP H0552376B2
Authority
JP
Japan
Prior art keywords
maximum
rotation speed
engine
control device
discharge volume
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 - Lifetime
Application number
JP64986A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62160334A (ja
Inventor
Masakazu Haga
Toichi Hirata
Hideaki Tanaka
Genroku Sugyama
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 JP64986A priority Critical patent/JPS62160334A/ja
Publication of JPS62160334A publication Critical patent/JPS62160334A/ja
Publication of JPH0552376B2 publication Critical patent/JPH0552376B2/ja
Granted legal-status Critical Current

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
    • E02F9/2221—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
    • E02F9/2278—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)
  • Operation Control Of Excavators (AREA)
  • Motor Power Transmission Devices (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
JP64986A 1986-01-08 1986-01-08 エンジン・油圧ポンプの制御装置 Granted JPS62160334A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP64986A JPS62160334A (ja) 1986-01-08 1986-01-08 エンジン・油圧ポンプの制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP64986A JPS62160334A (ja) 1986-01-08 1986-01-08 エンジン・油圧ポンプの制御装置

Publications (2)

Publication Number Publication Date
JPS62160334A JPS62160334A (ja) 1987-07-16
JPH0552376B2 true JPH0552376B2 (zh) 1993-08-05

Family

ID=11479556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP64986A Granted JPS62160334A (ja) 1986-01-08 1986-01-08 エンジン・油圧ポンプの制御装置

Country Status (1)

Country Link
JP (1) JPS62160334A (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0699948B2 (ja) * 1988-07-14 1994-12-12 株式会社小松製作所 油圧掘削機の自動振動方法及び自動振動装置
JP2670815B2 (ja) * 1988-07-29 1997-10-29 株式会社小松製作所 建設機械の制御装置
IT1241402B (it) * 1990-03-02 1994-01-14 Enichem Sintesi Agenti scivolanti
JPH04319000A (ja) * 1991-04-18 1992-11-10 Fujitsu Ltd シエルフのプリント板ガイド構造
JP4223893B2 (ja) 2002-10-23 2009-02-12 株式会社小松製作所 作業車両の作業機用油圧ポンプの制御方法と制御装置
JP4827180B2 (ja) * 2006-08-29 2011-11-30 ヤンマー株式会社 作業車輌
US7962768B2 (en) 2007-02-28 2011-06-14 Caterpillar Inc. Machine system having task-adjusted economy modes
US8374755B2 (en) 2007-07-31 2013-02-12 Caterpillar Inc. Machine with task-dependent control
JP4978688B2 (ja) * 2009-12-22 2012-07-18 コベルコクレーン株式会社 走行速度制御システム

Also Published As

Publication number Publication date
JPS62160334A (ja) 1987-07-16

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term