JPH0160684B2 - - Google Patents

Info

Publication number
JPH0160684B2
JPH0160684B2 JP57057322A JP5732282A JPH0160684B2 JP H0160684 B2 JPH0160684 B2 JP H0160684B2 JP 57057322 A JP57057322 A JP 57057322A JP 5732282 A JP5732282 A JP 5732282A JP H0160684 B2 JPH0160684 B2 JP H0160684B2
Authority
JP
Japan
Prior art keywords
value
variable displacement
displacement pump
pressure
discharge amount
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
Application number
JP57057322A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58193909A (ja
Inventor
Eiki Izumi
Hiroshi Watanabe
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 JP57057322A priority Critical patent/JPS58193909A/ja
Publication of JPS58193909A publication Critical patent/JPS58193909A/ja
Publication of JPH0160684B2 publication Critical patent/JPH0160684B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/087—Control strategy, e.g. with block diagram

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
JP57057322A 1982-04-08 1982-04-08 油圧回路の制御装置 Granted JPS58193909A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57057322A JPS58193909A (ja) 1982-04-08 1982-04-08 油圧回路の制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57057322A JPS58193909A (ja) 1982-04-08 1982-04-08 油圧回路の制御装置

Publications (2)

Publication Number Publication Date
JPS58193909A JPS58193909A (ja) 1983-11-11
JPH0160684B2 true JPH0160684B2 (en]) 1989-12-25

Family

ID=13052337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57057322A Granted JPS58193909A (ja) 1982-04-08 1982-04-08 油圧回路の制御装置

Country Status (1)

Country Link
JP (1) JPS58193909A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60249709A (ja) * 1984-05-24 1985-12-10 Hitachi Constr Mach Co Ltd 油圧回路の制御装置
JPS61180001A (ja) * 1985-02-04 1986-08-12 Hitachi Constr Mach Co Ltd 油圧回路の制御装置
JPS6252202A (ja) * 1985-09-02 1987-03-06 Hitachi Constr Mach Co Ltd 油圧回路の制御装置
JPS6252203A (ja) * 1985-09-02 1987-03-06 Hitachi Constr Mach Co Ltd 油圧回路の制御装置

Also Published As

Publication number Publication date
JPS58193909A (ja) 1983-11-11

Similar Documents

Publication Publication Date Title
KR970000491B1 (ko) 유압건설기계의 유압제어장치
KR0175959B1 (ko) 작업기계의 유압장치
US11293163B2 (en) Hydraulic drive device for excavation work machines
JP2657548B2 (ja) 油圧駆動装置及びその制御方法
US6035241A (en) Control device for bulldozer blade and its control method
JPH07139510A (ja) 油圧作業機の油圧駆動装置
JPH02565B2 (en])
JPH0160684B2 (en])
JPH07127493A (ja) 油圧建設機械の原動機回転数制御装置
JPS5826128A (ja) 腕式作業機のバケツト角制御方法
JPH0160683B2 (en])
JP2572946Y2 (ja) 自動制御指令スイッチ装置
JP2633095B2 (ja) 油圧建設機械の油圧制御装置
JPH11181840A (ja) 旋回作業機の旋回制御装置
JPH0384202A (ja) 建設機械の油圧駆動装置
JPS63219735A (ja) 土木建設機械の油圧駆動装置
JP3378472B2 (ja) バックホウ
JPH0417738A (ja) 油圧式建設機械のエンジン回転数制御方法および装置
JP3308073B2 (ja) 油圧建設機械の原動機回転数制御装置
JP2634324B2 (ja) 油圧建設機械の油圧制御装置
JP2839568B2 (ja) 建設機械の油圧駆動装置
JPH0535442B2 (en])
JPH07197486A (ja) 建設機械のブレード制御装置
JPH0556521B2 (en])
JP2525993Y2 (ja) 作業機のエンジン回転数制御装置