JPS58146631A - 油圧作業機械の油圧回路 - Google Patents

油圧作業機械の油圧回路

Info

Publication number: JPS58146631A
Authority: JP; Japan
Prior art keywords: control valve; oil; directional; switching valve; hydraulic
Prior art date: 1982-02-25
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

JP57028075A

Other languages

English (en)

Japanese (ja)

Other versions

JPH0143098B2 (mo

Inventor

Shinya Okabe

岡部　信也

Hiroshi Mizushima

水島　宏

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.)

1982-02-25

Filing date

1982-02-25

Publication date

1983-09-01

1982-02-25 Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd

1982-02-25 Priority to JP57028075A priority Critical patent/JPS58146631A/ja

1983-09-01 Publication of JPS58146631A publication Critical patent/JPS58146631A/ja

1989-09-19 Publication of JPH0143098B2 publication Critical patent/JPH0143098B2/ja

Status Granted legal-status Critical Current

Links

238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
239000003292 glue Substances 0.000 claims description 2
239000002131 composite material Substances 0.000 abstract 3
230000001133 acceleration Effects 0.000 description 3
238000010586 diagram Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
MMOXZBCLCQITDF-UHFFFAOYSA-N N,N-diethyl-m-toluamide Chemical compound CCN(CC)C(=O)C1=CC=CC(C)=C1 MMOXZBCLCQITDF-UHFFFAOYSA-N 0.000 description 1
238000005452 bending Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
239000000446 fuel Substances 0.000 description 1
230000008018 melting Effects 0.000 description 1
238000002844 melting Methods 0.000 description 1

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
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
- 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
- F15B2211/20538—Type of pump constant capacity
- 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
- F15B2211/20576—Systems with pumps with multiple pumps
- 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
- F15B2211/30595—Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple output members
- 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40507—Flow control characterised by the type of flow control means or valve with constant throttles or orifices
- 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
- F15B2211/40—Flow control
- F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line
- 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
- F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
- 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
- F15B2211/78—Control of multiple output members
- F15B2211/781—Control of multiple output members one or more output members having priority
- 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
- F15B2211/78—Control of multiple output members
- F15B2211/782—Concurrent control, e.g. synchronisation of two or more actuators

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Fluid-Pressure Circuits (AREA)
Operation Control Of Excavators (AREA)

JP57028075A 1982-02-25 1982-02-25 油圧作業機械の油圧回路 Granted JPS58146631A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP57028075A JPS58146631A (ja)	1982-02-25	1982-02-25	油圧作業機械の油圧回路

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP57028075A JPS58146631A (ja)	1982-02-25	1982-02-25	油圧作業機械の油圧回路

Publications (2)

Publication Number	Publication Date
JPS58146631A true JPS58146631A (ja)	1983-09-01
JPH0143098B2 JPH0143098B2 (mo)	1989-09-19

Family

ID=12238648

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP57028075A Granted JPS58146631A (ja)	1982-02-25	1982-02-25	油圧作業機械の油圧回路

Country Status (1)

Country	Link
JP (1)	JPS58146631A (mo)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH04146336A (ja) *	1990-10-09	1992-05-20	Toshiba Mach Co Ltd	油圧ショベルの油圧回路
EP0798422A3 (en) *	1996-03-28	1998-02-04	Clark Equipment Company	Multifunction valve stack
US6018895A (en) *	1996-03-28	2000-02-01	Clark Equipment Company	Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements
CN105805067A (zh) *	2016-04-29	2016-07-27	上海宏信设备工程有限公司	一种钢支撑轴力多点同步施加装置

1982
- 1982-02-25 JP JP57028075A patent/JPS58146631A/ja active Granted

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH04146336A (ja) *	1990-10-09	1992-05-20	Toshiba Mach Co Ltd	油圧ショベルの油圧回路
EP0798422A3 (en) *	1996-03-28	1998-02-04	Clark Equipment Company	Multifunction valve stack
US6018895A (en) *	1996-03-28	2000-02-01	Clark Equipment Company	Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements
US6029446A (en) *	1996-03-28	2000-02-29	Melroe Company	Multifunction valve stack
CN105805067A (zh) *	2016-04-29	2016-07-27	上海宏信设备工程有限公司	一种钢支撑轴力多点同步施加装置

Also Published As

Publication number	Publication date
JPH0143098B2 (mo)	1989-09-19

Publication	Publication Date	Title
JPH0143097B2 (mo)	1989-09-19
JPS592930A (ja)	1984-01-09	油圧駆動式作業車両の油圧回路
JPH0143098B2 (mo)	1989-09-19
JPS584036A (ja)	1983-01-11	油圧作業機械の油圧回路
JPS584035A (ja)	1983-01-11	油圧作業機械の油圧回路
JPS6315409Y2 (mo)	1988-04-28
JPH0464378B2 (mo)	1992-10-14
JPS60164522A (ja)	1985-08-27	土木・建設機械の油圧回路
JP2942102B2 (ja)	1999-08-30	バックホウの油圧回路構造
JPS60123629A (ja)	1985-07-02	油圧ショベルの油圧回路
JPS637424A (ja)	1988-01-13	建設機械の油圧回路
JPS61165428A (ja)	1986-07-26	建設機械の油圧回路
JPS5891906A (ja)	1983-06-01	油圧作業機械の油圧回路
JPS60133128A (ja)	1985-07-16	油圧掘削機の油圧回路
JPS5935667Y2 (ja)	1984-10-02	油圧掘削機の油圧回路
JPH0429815B2 (mo)	1992-05-20
JPS6317697Y2 (mo)	1988-05-19
JPS60159231A (ja)	1985-08-20	土木・建設機械の油圧回路
JPS6312209Y2 (mo)	1988-04-08
JPS6078022A (ja)	1985-05-02	油圧ショベルの油圧回路
JPS60151406A (ja)	1985-08-09	油圧作業機械の油圧回路
JPH0452288Y2 (mo)	1992-12-09
JPS5923099Y2 (ja)	1984-07-10	圧力流体回路
JPH06116984A (ja)	1994-04-26	建設機械の油圧回路
JPH047412B2 (mo)	1992-02-10