JPS58192986A - 油圧回路の制御装置 - Google Patents

油圧回路の制御装置

Info

Publication number
JPS58192986A
JPS58192986A JP57057668A JP5766882A JPS58192986A JP S58192986 A JPS58192986 A JP S58192986A JP 57057668 A JP57057668 A JP 57057668A JP 5766882 A JP5766882 A JP 5766882A JP S58192986 A JPS58192986 A JP S58192986A
Authority
JP
Japan
Prior art keywords
signal
actuator
swash plate
speed
maximum speed
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
JP57057668A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6239296B2 (en, 2012
Inventor
Hiroshi Watanabe
洋 渡邊
Eiki Izumi
和泉　鋭機
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 JP57057668A priority Critical patent/JPS58192986A/ja
Publication of JPS58192986A publication Critical patent/JPS58192986A/ja
Publication of JPS6239296B2 publication Critical patent/JPS6239296B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Fluid Gearings (AREA)
  • Fluid-Pressure Circuits (AREA)
JP57057668A 1982-04-07 1982-04-07 油圧回路の制御装置 Granted JPS58192986A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57057668A JPS58192986A (ja) 1982-04-07 1982-04-07 油圧回路の制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57057668A JPS58192986A (ja) 1982-04-07 1982-04-07 油圧回路の制御装置

Publications (2)

Publication Number Publication Date
JPS58192986A true JPS58192986A (ja) 1983-11-10
JPS6239296B2 JPS6239296B2 (en, 2012) 1987-08-21

Family

ID=13062285

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57057668A Granted JPS58192986A (ja) 1982-04-07 1982-04-07 油圧回路の制御装置

Country Status (1)

Country Link
JP (1) JPS58192986A (en, 2012)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01105986U (en, 2012) * 1987-12-31 1989-07-17
JPH02102903A (ja) * 1988-10-13 1990-04-16 Mitsubishi Heavy Ind Ltd 油圧シリンダの速度制御装置
JP2001241381A (ja) * 2000-02-29 2001-09-07 Tokimec Inc ポンプ回転速度制御システム
EP1126087A4 (en) * 1999-07-29 2003-04-23 Hitachi Construction Machinery CONTROL DEVICE OF A HYDRAULIC CIRCUIT OF A CONSTRUCTION MACHINE

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5659006A (en) * 1979-10-19 1981-05-22 Hitachi Constr Mach Co Ltd Controlling method of hydraulic circuit for controlling pump

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5659006A (en) * 1979-10-19 1981-05-22 Hitachi Constr Mach Co Ltd Controlling method of hydraulic circuit for controlling pump

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01105986U (en, 2012) * 1987-12-31 1989-07-17
JPH02102903A (ja) * 1988-10-13 1990-04-16 Mitsubishi Heavy Ind Ltd 油圧シリンダの速度制御装置
EP1126087A4 (en) * 1999-07-29 2003-04-23 Hitachi Construction Machinery CONTROL DEVICE OF A HYDRAULIC CIRCUIT OF A CONSTRUCTION MACHINE
JP2001241381A (ja) * 2000-02-29 2001-09-07 Tokimec Inc ポンプ回転速度制御システム

Also Published As

Publication number Publication date
JPS6239296B2 (en, 2012) 1987-08-21

Similar Documents

Publication Publication Date Title
US5048293A (en) Pump controlling apparatus for construction machine
JP3112814B2 (ja) 建設機械の領域制限掘削制御装置
JPS6342122B2 (en, 2012)
US5513551A (en) Hydraulic control system
JPS6115306B2 (en, 2012)
JP2010095906A (ja) 建設機械および旋回制御装置
JPS58192986A (ja) 油圧回路の制御装置
JP3586516B2 (ja) 操作制御装置及び操作制御方法
JPH08302753A (ja) 油圧建設機械
JPH05195554A (ja) 土工機における油圧アクチュエータ制御装置
JPS6253725B2 (en, 2012)
JPS6239295B2 (en, 2012)
JPS6213542B2 (en, 2012)
JPS5937307A (ja) 油圧回路の制御装置
JPH06263394A (ja) ブーム付き作業車の制御装置
JP3170329B2 (ja) 油圧作業機械の振動抑制装置
JP3552358B2 (ja) 荷役車両のチルト機構
JPS6245430B2 (en, 2012)
JPH04353130A (ja) 油圧作業機械における作業装置の振動抑制制御装置
JPS6352243B2 (en, 2012)
JPS6139543B2 (en, 2012)
US20220213667A1 (en) Work machine
JPH0754147B2 (ja) 油圧駆動機構制御装置
JPH08128407A (ja) 油圧モータの駆動制御装置
JPH08159104A (ja) 油圧モータの駆動制御装置