JPS566901A - Hydraulic circuit for construction equipment - Google Patents

Hydraulic circuit for construction equipment

Info

Publication number
JPS566901A
JPS566901A JP8021279A JP8021279A JPS566901A JP S566901 A JPS566901 A JP S566901A JP 8021279 A JP8021279 A JP 8021279A JP 8021279 A JP8021279 A JP 8021279A JP S566901 A JPS566901 A JP S566901A
Authority
JP
Japan
Prior art keywords
communicated
hydraulic
electromagnetic change
over valve
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
JP8021279A
Other languages
English (en)
Other versions
JPS6225882B2 (ja
Inventor
Kazuo Honma
Katsuro Abe
Masaaki Uno
Eiki Izumi
Yoshio Nakajima
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 JP8021279A priority Critical patent/JPS566901A/ja
Priority to US06/123,087 priority patent/US4369625A/en
Priority to DE19803007011 priority patent/DE3007011A1/de
Priority to GB8006247A priority patent/GB2045360B/en
Priority to SE8001459A priority patent/SE448762B/sv
Priority to FR8004111A priority patent/FR2449751A1/fr
Publication of JPS566901A publication Critical patent/JPS566901A/ja
Publication of JPS6225882B2 publication Critical patent/JPS6225882B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP8021279A 1979-02-26 1979-06-27 Hydraulic circuit for construction equipment Granted JPS566901A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP8021279A JPS566901A (en) 1979-06-27 1979-06-27 Hydraulic circuit for construction equipment
US06/123,087 US4369625A (en) 1979-06-27 1980-02-20 Drive system for construction machinery and method of controlling hydraulic circuit means thereof
DE19803007011 DE3007011A1 (de) 1979-02-26 1980-02-25 Antriebsvorrichtung fuer baumaschine und verfahren zum steuern von deren hydraulikeinrichtung
GB8006247A GB2045360B (en) 1979-02-26 1980-02-25 Drive system for construction machinery
SE8001459A SE448762B (sv) 1979-02-26 1980-02-25 Hydraulisk drivanordning for konstruktionsmaskinerier, innefattande ett flertal slutna hydraulkretsar
FR8004111A FR2449751A1 (fr) 1979-02-26 1980-02-25 Systeme d'actionnement pour des machines de construction et procede pour la commande des circuits hydrauliques d'un tel systeme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8021279A JPS566901A (en) 1979-06-27 1979-06-27 Hydraulic circuit for construction equipment

Publications (2)

Publication Number Publication Date
JPS566901A true JPS566901A (en) 1981-01-24
JPS6225882B2 JPS6225882B2 (ja) 1987-06-05

Family

ID=13712072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8021279A Granted JPS566901A (en) 1979-02-26 1979-06-27 Hydraulic circuit for construction equipment

Country Status (1)

Country Link
JP (1) JPS566901A (ja)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5821505U (ja) * 1981-08-04 1983-02-09 富士レビオ株式会社 瓶
JPS5866262U (ja) * 1981-10-19 1983-05-06 京谷　寿恵男 喫煙用フイルタ−収納箱つきライタ−
JPS59106704A (ja) * 1982-12-09 1984-06-20 Yanmar Diesel Engine Co Ltd 走行駆動油圧回路
JPS60203742A (ja) * 1984-03-27 1985-10-15 Sekitan Rotenbori Kikai Gijutsu Kenkyu Kumiai 油圧シヨベルの油圧操作装置
JPS60203744A (ja) * 1984-03-27 1985-10-15 Sekitan Rotenbori Kikai Gijutsu Kenkyu Kumiai 液圧操作方法
JPS60248466A (ja) * 1984-05-21 1985-12-09 Nissan Motor Co Ltd 車両用制動力制御装置
JPS61151333A (ja) * 1984-12-25 1986-07-10 Komatsu Ltd 建設機械の液圧回路装置
JPS62165003A (ja) * 1986-01-10 1987-07-21 Tech Res Assoc Openair Coal Min Mach 油圧シヨベル等の油圧回路における作動油配分装置
JPS62225633A (ja) * 1986-03-26 1987-10-03 Tech Res Assoc Openair Coal Min Mach 油圧シヨベル等の油圧回路における作動油配分装置
JPH10184605A (ja) * 1996-11-06 1998-07-14 Sms Schloeman Siemag Ag 静圧伝動装置
WO2006132010A1 (ja) * 2005-06-06 2006-12-14 Shin Caterpillar Mitsubishi Ltd. 流体圧回路、エネルギ回生装置、作業機械の流体圧回路
WO2006132031A1 (ja) * 2005-06-06 2006-12-14 Shin Caterpillar Mitsubishi Ltd. 旋回用駆動装置および作業機械
JP2008115989A (ja) * 2006-11-07 2008-05-22 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
JP2008115990A (ja) * 2006-11-07 2008-05-22 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
JP2010150043A (ja) * 2008-11-28 2010-07-08 Kobelco Cranes Co Ltd ホイール式クレーンの流体圧回路
WO2013059033A1 (en) * 2011-10-21 2013-04-25 Caterpillar Inc. Closed-loop system having multi-circuit flow sharing
KR20140044937A (ko) * 2011-09-09 2014-04-15 스미도모쥬기가이고교 가부시키가이샤 쇼벨 및 쇼벨의 제어방법
JP2014205977A (ja) * 2013-04-11 2014-10-30 日立建機株式会社 作業機械の駆動装置
WO2015198644A1 (ja) * 2014-06-26 2015-12-30 日立建機株式会社 作業機械

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2985471B1 (en) * 2013-04-11 2019-03-13 Hitachi Construction Machinery Co., Ltd. Device for driving work machine
JP5973979B2 (ja) 2013-11-21 2016-08-23 日立建機株式会社 作業機械の駆動装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49113067A (ja) * 1973-03-02 1974-10-28
JPS5325774A (en) * 1976-08-24 1978-03-09 Caterpillar Tractor Co Multiple pump hydraulic control system
JPS5471275A (en) * 1977-11-16 1979-06-07 Japan Steel Works Ltd:The Three-pump joining circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49113067A (ja) * 1973-03-02 1974-10-28
JPS5325774A (en) * 1976-08-24 1978-03-09 Caterpillar Tractor Co Multiple pump hydraulic control system
JPS5471275A (en) * 1977-11-16 1979-06-07 Japan Steel Works Ltd:The Three-pump joining circuit

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5821505U (ja) * 1981-08-04 1983-02-09 富士レビオ株式会社 瓶
JPS5866262U (ja) * 1981-10-19 1983-05-06 京谷　寿恵男 喫煙用フイルタ−収納箱つきライタ−
JPH0124922B2 (ja) * 1982-12-09 1989-05-15 Yanmar Diesel Engine Co
JPS59106704A (ja) * 1982-12-09 1984-06-20 Yanmar Diesel Engine Co Ltd 走行駆動油圧回路
JPS60203742A (ja) * 1984-03-27 1985-10-15 Sekitan Rotenbori Kikai Gijutsu Kenkyu Kumiai 油圧シヨベルの油圧操作装置
JPS60203744A (ja) * 1984-03-27 1985-10-15 Sekitan Rotenbori Kikai Gijutsu Kenkyu Kumiai 液圧操作方法
JPS60248466A (ja) * 1984-05-21 1985-12-09 Nissan Motor Co Ltd 車両用制動力制御装置
JPS61151333A (ja) * 1984-12-25 1986-07-10 Komatsu Ltd 建設機械の液圧回路装置
JPS62165003A (ja) * 1986-01-10 1987-07-21 Tech Res Assoc Openair Coal Min Mach 油圧シヨベル等の油圧回路における作動油配分装置
JPS62225633A (ja) * 1986-03-26 1987-10-03 Tech Res Assoc Openair Coal Min Mach 油圧シヨベル等の油圧回路における作動油配分装置
JPH10184605A (ja) * 1996-11-06 1998-07-14 Sms Schloeman Siemag Ag 静圧伝動装置
JP4703796B2 (ja) * 1996-11-06 2011-06-15 エス・エム・エス・ジーマーク・アクチエンゲゼルシャフト 油圧伝動装置における液圧ポンプの調整方法
WO2006132010A1 (ja) * 2005-06-06 2006-12-14 Shin Caterpillar Mitsubishi Ltd. 流体圧回路、エネルギ回生装置、作業機械の流体圧回路
WO2006132031A1 (ja) * 2005-06-06 2006-12-14 Shin Caterpillar Mitsubishi Ltd. 旋回用駆動装置および作業機械
EP1793128A1 (en) * 2005-06-06 2007-06-06 Shin Caterpillar Mitsubishi Ltd. Drive device for rotation, and working machine
EP1793128A4 (en) * 2005-06-06 2009-11-11 Caterpillar Japan Ltd DRIVE DEVICE FOR ROTATION, AND WORKING MACHINE
US7565801B2 (en) 2005-06-06 2009-07-28 Caterpillar Japan Ltd. Swing drive device and work machine
JP2008115989A (ja) * 2006-11-07 2008-05-22 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
JP2008115990A (ja) * 2006-11-07 2008-05-22 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
JP2010150043A (ja) * 2008-11-28 2010-07-08 Kobelco Cranes Co Ltd ホイール式クレーンの流体圧回路
KR20140044937A (ko) * 2011-09-09 2014-04-15 스미도모쥬기가이고교 가부시키가이샤 쇼벨 및 쇼벨의 제어방법
US20140182279A1 (en) * 2011-09-09 2014-07-03 Sumitomo Heavy Industries, Ltd. Shovel and method of controlling shovel
US9574329B2 (en) * 2011-09-09 2017-02-21 Sumitomo Heavy Industries, Ltd. Shovel and method of controlling shovel
WO2013059033A1 (en) * 2011-10-21 2013-04-25 Caterpillar Inc. Closed-loop system having multi-circuit flow sharing
JP2014205977A (ja) * 2013-04-11 2014-10-30 日立建機株式会社 作業機械の駆動装置
WO2015198644A1 (ja) * 2014-06-26 2015-12-30 日立建機株式会社 作業機械
JPWO2015198644A1 (ja) * 2014-06-26 2017-04-20 日立建機株式会社 作業機械
US10378185B2 (en) 2014-06-26 2019-08-13 Hitachi Construction Machinery Co., Ltd. Work machine

Also Published As

Publication number Publication date
JPS6225882B2 (ja) 1987-06-05

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