JPH0437281B2 - - Google Patents

Info

Publication number
JPH0437281B2
JPH0437281B2 JP59059583A JP5958384A JPH0437281B2 JP H0437281 B2 JPH0437281 B2 JP H0437281B2 JP 59059583 A JP59059583 A JP 59059583A JP 5958384 A JP5958384 A JP 5958384A JP H0437281 B2 JPH0437281 B2 JP H0437281B2
Authority
JP
Japan
Prior art keywords
pump
pilot pressure
flow rate
valve
switching valve
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
JP59059583A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60205001A (ja
Inventor
Chiharu Matsunaga
Takashi Araya
Toshiaki Tsukimoto
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.)
Shibaura Machine Co Ltd
Original Assignee
Toshiba Machine 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 Toshiba Machine Co Ltd filed Critical Toshiba Machine Co Ltd
Priority to JP5958384A priority Critical patent/JPS60205001A/ja
Publication of JPS60205001A publication Critical patent/JPS60205001A/ja
Publication of JPH0437281B2 publication Critical patent/JPH0437281B2/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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/255—Flow control functions
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6057—Load sensing circuits having valve means between output member and the load sensing circuit using directional control valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/67—Methods for controlling pilot pressure
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
JP5958384A 1984-03-29 1984-03-29 タンデム油圧制御回路 Granted JPS60205001A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5958384A JPS60205001A (ja) 1984-03-29 1984-03-29 タンデム油圧制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5958384A JPS60205001A (ja) 1984-03-29 1984-03-29 タンデム油圧制御回路

Publications (2)

Publication Number Publication Date
JPS60205001A JPS60205001A (ja) 1985-10-16
JPH0437281B2 true JPH0437281B2 (cs) 1992-06-18

Family

ID=13117390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5958384A Granted JPS60205001A (ja) 1984-03-29 1984-03-29 タンデム油圧制御回路

Country Status (1)

Country Link
JP (1) JPS60205001A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6196202A (ja) * 1984-10-16 1986-05-14 Kobe Steel Ltd 複数アクチユエ−タの油圧制御回路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5926603A (ja) * 1982-08-04 1984-02-10 Ishikawajima Harima Heavy Ind Co Ltd 液圧制御装置

Also Published As

Publication number Publication date
JPS60205001A (ja) 1985-10-16

Similar Documents

Publication Publication Date Title
KR100752115B1 (ko) 굴삭기의 유압펌프 제어시스템
JPH0437281B2 (cs)
JPS60123630A (ja) 建設車両の制御回路
JP2639554B2 (ja) 油圧装置
JPH08100770A (ja) 油圧ポンプの吐出流量制御装置
JP2005337388A (ja) 油圧制御装置
JP2004190439A (ja) 建設機械の油圧回路
JP3072804B2 (ja) 車両の走行直進制御回路
JP3662623B2 (ja) ロードセンシング回路
JP3074937B2 (ja) 車両の走行直進制御回路
JPH0674203A (ja) ロードセンシング装置に於けるアンチサチュレーション装置
JPS608162Y2 (ja) 油圧制御装置
JP3604557B2 (ja) 油圧制御装置
JP3667036B2 (ja) 油圧制御回路
JP3186827B2 (ja) 車両の走行直進制御回路
JPH0115534Y2 (cs)
KR970011610B1 (ko) 중장비의 로드센싱형 유압시스템
JPS60199128A (ja) 建設車両の油圧制御回路
JPH07317706A (ja) 建設機械の油圧回路
JPH0526204A (ja) 油圧駆動装置
JP2521656Y2 (ja) 複合制御弁
JPS6322930A (ja) 建設機械の油圧回路
JPS58174703A (ja) アクチエ−タの速度制御装置
JPH0337641B2 (cs)
KR960041766A (ko) 가변우선장치

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees