JPH0514804B2 - - Google Patents

Info

Publication number
JPH0514804B2
JPH0514804B2 JP60191935A JP19193585A JPH0514804B2 JP H0514804 B2 JPH0514804 B2 JP H0514804B2 JP 60191935 A JP60191935 A JP 60191935A JP 19193585 A JP19193585 A JP 19193585A JP H0514804 B2 JPH0514804 B2 JP H0514804B2
Authority
JP
Japan
Prior art keywords
control valve
valve
lever
pressure
control
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
JP60191935A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6252203A (ja
Inventor
Yoshio Nakajima
Kazuo Pponma
Hiroaki Shoji
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 JP19193585A priority Critical patent/JPS6252203A/ja
Priority to US06/825,603 priority patent/US4718329A/en
Priority to DE8686101369T priority patent/DE3660226D1/de
Priority to EP86101369A priority patent/EP0190703B1/de
Publication of JPS6252203A publication Critical patent/JPS6252203A/ja
Publication of JPH0514804B2 publication Critical patent/JPH0514804B2/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
    • E02F9/2225—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
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • 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
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/2207—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations

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)
  • Fluid-Pressure Circuits (AREA)
JP19193585A 1985-02-04 1985-09-02 油圧回路の制御装置 Granted JPS6252203A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP19193585A JPS6252203A (ja) 1985-09-02 1985-09-02 油圧回路の制御装置
US06/825,603 US4718329A (en) 1985-02-04 1986-02-03 Control system for hydraulic circuit
DE8686101369T DE3660226D1 (en) 1985-02-04 1986-02-03 Control system for hydraulic circuit
EP86101369A EP0190703B1 (de) 1985-02-04 1986-02-03 Steuersystem für einen hydraulischen Kreislauf

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19193585A JPS6252203A (ja) 1985-09-02 1985-09-02 油圧回路の制御装置

Publications (2)

Publication Number Publication Date
JPS6252203A JPS6252203A (ja) 1987-03-06
JPH0514804B2 true JPH0514804B2 (de) 1993-02-26

Family

ID=16282897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19193585A Granted JPS6252203A (ja) 1985-02-04 1985-09-02 油圧回路の制御装置

Country Status (1)

Country Link
JP (1) JPS6252203A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007032789A (ja) * 2005-07-29 2007-02-08 Shin Caterpillar Mitsubishi Ltd 流体圧制御装置及び流体圧制御方法
JP2007239968A (ja) * 2006-03-13 2007-09-20 Toyota Industries Corp シリンダ制御装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154505A (en) * 1981-03-13 1982-09-24 Mitsubishi Heavy Ind Ltd Hydraulic system
JPS58193909A (ja) * 1982-04-08 1983-11-11 Hitachi Constr Mach Co Ltd 油圧回路の制御装置
JPS5937307A (ja) * 1982-08-25 1984-02-29 Hitachi Constr Mach Co Ltd 油圧回路の制御装置
JPS6018570A (ja) * 1983-07-11 1985-01-30 Chichibu Cement Co Ltd 軟弱地盤改良用固化材
JPS60191934A (ja) * 1984-03-12 1985-09-30 Canon Inc 紙搬送装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154505A (en) * 1981-03-13 1982-09-24 Mitsubishi Heavy Ind Ltd Hydraulic system
JPS58193909A (ja) * 1982-04-08 1983-11-11 Hitachi Constr Mach Co Ltd 油圧回路の制御装置
JPS5937307A (ja) * 1982-08-25 1984-02-29 Hitachi Constr Mach Co Ltd 油圧回路の制御装置
JPS6018570A (ja) * 1983-07-11 1985-01-30 Chichibu Cement Co Ltd 軟弱地盤改良用固化材
JPS60191934A (ja) * 1984-03-12 1985-09-30 Canon Inc 紙搬送装置

Also Published As

Publication number Publication date
JPS6252203A (ja) 1987-03-06

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