JPS5985046A - 油圧シヨベルの油圧回路 - Google Patents

油圧シヨベルの油圧回路

Info

Publication number
JPS5985046A
JPS5985046A JP57194888A JP19488882A JPS5985046A JP S5985046 A JPS5985046 A JP S5985046A JP 57194888 A JP57194888 A JP 57194888A JP 19488882 A JP19488882 A JP 19488882A JP S5985046 A JPS5985046 A JP S5985046A
Authority
JP
Japan
Prior art keywords
pressure
pump
swing
control valve
variable pump
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
JP57194888A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6338506B2 (en]
Inventor
Takahiro Kobayashi
隆博 小林
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP57194888A priority Critical patent/JPS5985046A/ja
Publication of JPS5985046A publication Critical patent/JPS5985046A/ja
Publication of JPS6338506B2 publication Critical patent/JPS6338506B2/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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • 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

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)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP57194888A 1982-11-05 1982-11-05 油圧シヨベルの油圧回路 Granted JPS5985046A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57194888A JPS5985046A (ja) 1982-11-05 1982-11-05 油圧シヨベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57194888A JPS5985046A (ja) 1982-11-05 1982-11-05 油圧シヨベルの油圧回路

Publications (2)

Publication Number Publication Date
JPS5985046A true JPS5985046A (ja) 1984-05-16
JPS6338506B2 JPS6338506B2 (en]) 1988-08-01

Family

ID=16331989

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57194888A Granted JPS5985046A (ja) 1982-11-05 1982-11-05 油圧シヨベルの油圧回路

Country Status (1)

Country Link
JP (1) JPS5985046A (en])

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01105828A (ja) * 1987-09-11 1989-04-24 Deere & Co 制動システム並びにパイロット制御システム
WO2002066841A1 (fr) * 2001-02-19 2002-08-29 Hitachi Construction Machinery Co., Ltd. Circuit hydraulique pour materiel de travaux publics
WO2008090890A1 (ja) * 2007-01-22 2008-07-31 Hitachi Construction Machinery Co., Ltd. 建設機械のポンプ制御装置
WO2009123134A1 (ja) * 2008-03-31 2009-10-08 株式会社小松製作所 建設機械の旋回駆動制御システム
JP2016145604A (ja) * 2015-02-06 2016-08-12 日立建機株式会社 建設機械の油圧駆動装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0298349A (ja) * 1988-10-04 1990-04-10 Nidek Co Ltd 半導体レーザ治療装置

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01105828A (ja) * 1987-09-11 1989-04-24 Deere & Co 制動システム並びにパイロット制御システム
EP1286057A4 (en) * 2001-02-19 2009-08-19 Hitachi Construction Machinery HYDRAULIC CIRCUIT FOR CONSTRUCTION MACHINES
US7076947B2 (en) 2001-02-19 2006-07-18 Hitachi Construction Machinery Co., Ltd. Hydraulic circuit of construction machinery
US7272928B2 (en) 2001-02-19 2007-09-25 Hitachi Construction Machinery Co., Ltd. Hydraulic circuit of construction machinery
WO2002066841A1 (fr) * 2001-02-19 2002-08-29 Hitachi Construction Machinery Co., Ltd. Circuit hydraulique pour materiel de travaux publics
WO2008090890A1 (ja) * 2007-01-22 2008-07-31 Hitachi Construction Machinery Co., Ltd. 建設機械のポンプ制御装置
JP2008175368A (ja) * 2007-01-22 2008-07-31 Hitachi Constr Mach Co Ltd 建設機械のポンプ制御装置
US8006491B2 (en) 2007-01-22 2011-08-30 Hitachi Construction Machinery Co., Ltd. Pump control apparatus for construction machine
CN101542131B (zh) 2007-01-22 2013-05-01 日立建机株式会社 工程机械的泵控制装置
WO2009123134A1 (ja) * 2008-03-31 2009-10-08 株式会社小松製作所 建設機械の旋回駆動制御システム
JP5130353B2 (ja) * 2008-03-31 2013-01-30 株式会社小松製作所 建設機械の旋回駆動制御システム
US9022749B2 (en) 2008-03-31 2015-05-05 Komatsu Ltd. Swing drive controlling system for construction machine
JP2016145604A (ja) * 2015-02-06 2016-08-12 日立建機株式会社 建設機械の油圧駆動装置

Also Published As

Publication number Publication date
JPS6338506B2 (en]) 1988-08-01

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