JPS6233950A - 油圧機械の油圧回路 - Google Patents

油圧機械の油圧回路

Info

Publication number
JPS6233950A
JPS6233950A JP60171887A JP17188785A JPS6233950A JP S6233950 A JPS6233950 A JP S6233950A JP 60171887 A JP60171887 A JP 60171887A JP 17188785 A JP17188785 A JP 17188785A JP S6233950 A JPS6233950 A JP S6233950A
Authority
JP
Japan
Prior art keywords
cylinder
switching valve
directional
valve
oil
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
JP60171887A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0374291B2 (enrdf_load_stackoverflow
Inventor
Genroku Sugiyama
玄六 杉山
Toichi Hirata
東一 平田
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 JP60171887A priority Critical patent/JPS6233950A/ja
Publication of JPS6233950A publication Critical patent/JPS6233950A/ja
Publication of JPH0374291B2 publication Critical patent/JPH0374291B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP60171887A 1985-08-06 1985-08-06 油圧機械の油圧回路 Granted JPS6233950A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60171887A JPS6233950A (ja) 1985-08-06 1985-08-06 油圧機械の油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60171887A JPS6233950A (ja) 1985-08-06 1985-08-06 油圧機械の油圧回路

Publications (2)

Publication Number Publication Date
JPS6233950A true JPS6233950A (ja) 1987-02-13
JPH0374291B2 JPH0374291B2 (enrdf_load_stackoverflow) 1991-11-26

Family

ID=15931637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60171887A Granted JPS6233950A (ja) 1985-08-06 1985-08-06 油圧機械の油圧回路

Country Status (1)

Country Link
JP (1) JPS6233950A (enrdf_load_stackoverflow)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5382004A (en) * 1976-12-28 1978-07-20 Komatsu Mfg Co Ltd Hydraulic circuit for top turning type hydraulic excavator
JPS5810960U (ja) * 1981-07-10 1983-01-24 日立建機株式会社 油圧ショベルの油圧回路
JPS58146629A (ja) * 1982-02-24 1983-09-01 Hitachi Constr Mach Co Ltd 土木・建設機械の油圧回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5382004A (en) * 1976-12-28 1978-07-20 Komatsu Mfg Co Ltd Hydraulic circuit for top turning type hydraulic excavator
JPS5810960U (ja) * 1981-07-10 1983-01-24 日立建機株式会社 油圧ショベルの油圧回路
JPS58146629A (ja) * 1982-02-24 1983-09-01 Hitachi Constr Mach Co Ltd 土木・建設機械の油圧回路

Also Published As

Publication number Publication date
JPH0374291B2 (enrdf_load_stackoverflow) 1991-11-26

Similar Documents

Publication Publication Date Title
CN101676495B (zh) 用于施工设备的液压系统
JPS6383405A (ja) 油圧ショベルの油圧回路
JPS61142235A (ja) 油圧ショベル等の建設機械の油圧回路
JP2602695B2 (ja) 油圧ショベルの油圧回路並びに油圧切換弁
JPS5821006A (ja) 油圧回路
JPS6233950A (ja) 油圧機械の油圧回路
JP2005068718A (ja) 建設機械の油圧駆動装置
JPH116174A (ja) 建設車両のアクチュエータ作動回路
JP3142640B2 (ja) 油圧作業機の油圧回路
JPH0813545A (ja) 建設機械における油圧回路
JP2556838Y2 (ja) 荷役車両の油圧回路
JPH0649644Y2 (ja) クローラ式油圧ショベルの油圧回路
JP3119293B2 (ja) 作業機械の油圧回路
JPS5961633A (ja) 油圧作業機の油圧回路
JPS5935668Y2 (ja) 油圧ショベルの油圧回路
JPS6233949A (ja) 油圧機械の油圧回路
JPS60123629A (ja) 油圧ショベルの油圧回路
JPH0751797B2 (ja) バックホウの油圧回路
JPS5830855Y2 (ja) 油圧ショベルの油圧回路
JPH09165791A (ja) 作業機械の油圧回路
JPS6145248Y2 (enrdf_load_stackoverflow)
JPH06341405A (ja) 油圧回路の弁ブロック構造
JPS60164522A (ja) 土木・建設機械の油圧回路
JPH0735884Y2 (ja) 作業機の油圧装置
JPH0687467U (ja) 建設車両の油圧回路

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term