JPS5754635A - Hydraulic circuit for civil engineering and construction equipment - Google Patents

Hydraulic circuit for civil engineering and construction equipment

Info

Publication number
JPS5754635A
JPS5754635A JP55127126A JP12712680A JPS5754635A JP S5754635 A JPS5754635 A JP S5754635A JP 55127126 A JP55127126 A JP 55127126A JP 12712680 A JP12712680 A JP 12712680A JP S5754635 A JPS5754635 A JP S5754635A
Authority
JP
Japan
Prior art keywords
hydraulic
hydraulic circuit
civil engineering
construction equipment
actuators
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
JP55127126A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6337216B2 (de
Inventor
Hiroshi Watanabe
Eiki Izumi
Yukio Aoyanagi
Kazuo Honma
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 JP55127126A priority Critical patent/JPS5754635A/ja
Publication of JPS5754635A publication Critical patent/JPS5754635A/ja
Publication of JPS6337216B2 publication Critical patent/JPS6337216B2/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

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)
JP55127126A 1980-09-16 1980-09-16 Hydraulic circuit for civil engineering and construction equipment Granted JPS5754635A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55127126A JPS5754635A (en) 1980-09-16 1980-09-16 Hydraulic circuit for civil engineering and construction equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55127126A JPS5754635A (en) 1980-09-16 1980-09-16 Hydraulic circuit for civil engineering and construction equipment

Publications (2)

Publication Number Publication Date
JPS5754635A true JPS5754635A (en) 1982-04-01
JPS6337216B2 JPS6337216B2 (de) 1988-07-25

Family

ID=14952246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55127126A Granted JPS5754635A (en) 1980-09-16 1980-09-16 Hydraulic circuit for civil engineering and construction equipment

Country Status (1)

Country Link
JP (1) JPS5754635A (de)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6231705A (ja) * 1985-08-02 1987-02-10 Komatsu Ltd 液圧式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
CN101929489A (zh) * 2009-06-26 2010-12-29 安钛医疗设备股份有限公司 手术台双向油压系统
WO2013027618A1 (ja) * 2011-08-24 2013-02-28 株式会社小松製作所 油圧ショベル
WO2013048796A1 (en) * 2011-09-30 2013-04-04 Caterpillar Inc. Meterless hydraulic system having multi-actuator circuit
WO2013059110A2 (en) * 2011-10-21 2013-04-25 Caterpillar Inc. Meterless hydraulic system having sharing and combining functionality
WO2013059536A1 (en) * 2011-10-21 2013-04-25 Caterpillar Inc. Hydraulic system having multiple closed-loop circuits
WO2013059033A1 (en) * 2011-10-21 2013-04-25 Caterpillar Inc. Closed-loop system having multi-circuit flow sharing
CN104011405A (zh) * 2011-10-21 2014-08-27 卡特彼勒公司 具有多个闭环回路的液压系统
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
WO2015076130A1 (ja) * 2013-11-21 2015-05-28 日立建機株式会社 作業機械の駆動装置
JP2015178864A (ja) * 2014-03-19 2015-10-08 日立建機株式会社 作業機械の駆動装置
WO2016157531A1 (ja) * 2015-04-03 2016-10-06 日立建機株式会社 作業機械の油圧制御装置
JP2017053383A (ja) * 2015-09-07 2017-03-16 日立建機株式会社 作業機械の駆動装置
CN115210432A (zh) * 2020-02-27 2022-10-18 现代斗山英维高株式会社 工程机械
WO2023248579A1 (ja) * 2022-06-23 2023-12-28 川崎重工業株式会社 液圧駆動装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5473402A (en) * 1977-11-22 1979-06-12 Hitachi Construction Machinery Hydraulic circuit for hydraulic shovel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5473402A (en) * 1977-11-22 1979-06-12 Hitachi Construction Machinery Hydraulic circuit for hydraulic shovel

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6231705A (ja) * 1985-08-02 1987-02-10 Komatsu Ltd 液圧式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
CN101929489A (zh) * 2009-06-26 2010-12-29 安钛医疗设备股份有限公司 手术台双向油压系统
US9328480B2 (en) 2011-08-24 2016-05-03 Komatsu Ltd. Hydraulic excavator
WO2013027618A1 (ja) * 2011-08-24 2013-02-28 株式会社小松製作所 油圧ショベル
WO2013048796A1 (en) * 2011-09-30 2013-04-04 Caterpillar Inc. Meterless hydraulic system having multi-actuator circuit
US9057389B2 (en) 2011-09-30 2015-06-16 Caterpillar Inc. Meterless hydraulic system having multi-actuator circuit
WO2013059110A2 (en) * 2011-10-21 2013-04-25 Caterpillar Inc. Meterless hydraulic system having sharing and combining functionality
WO2013059110A3 (en) * 2011-10-21 2013-07-11 Caterpillar Inc. Meterless hydraulic system having sharing and combining functionality
CN103998795A (zh) * 2011-10-21 2014-08-20 卡特彼勒公司 具有多个闭环回路的液压系统
CN104011405A (zh) * 2011-10-21 2014-08-27 卡特彼勒公司 具有多个闭环回路的液压系统
WO2013059033A1 (en) * 2011-10-21 2013-04-25 Caterpillar Inc. Closed-loop system having multi-circuit flow sharing
WO2013059536A1 (en) * 2011-10-21 2013-04-25 Caterpillar Inc. Hydraulic system having multiple closed-loop circuits
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
JP2015102107A (ja) * 2013-11-21 2015-06-04 日立建機株式会社 作業機械の駆動装置
EP3073125A4 (de) * 2013-11-21 2017-06-28 Hitachi Construction Machinery Co., Ltd. Arbeitsmaschinenansteuerungsvorrichtung
CN105531485A (zh) * 2013-11-21 2016-04-27 日立建机株式会社 作业机械的驱动装置
WO2015076130A1 (ja) * 2013-11-21 2015-05-28 日立建機株式会社 作業機械の駆動装置
US9903094B2 (en) 2013-11-21 2018-02-27 Hitachi Construction Machinery Co., Ltd. Work machine driving device
JP2015178864A (ja) * 2014-03-19 2015-10-08 日立建機株式会社 作業機械の駆動装置
CN107429713A (zh) * 2015-04-03 2017-12-01 日立建机株式会社 作业机械的液压控制装置
JPWO2016157531A1 (ja) * 2015-04-03 2017-12-07 日立建機株式会社 作業機械の油圧制御装置
WO2016157531A1 (ja) * 2015-04-03 2016-10-06 日立建機株式会社 作業機械の油圧制御装置
CN107429713B (zh) * 2015-04-03 2019-08-06 日立建机株式会社 作业机械的液压控制装置
US10400797B2 (en) 2015-04-03 2019-09-03 Hitachi Construction Machinery Co., Ltd. Hydraulic control system for working machine
JP2017053383A (ja) * 2015-09-07 2017-03-16 日立建機株式会社 作業機械の駆動装置
CN115210432A (zh) * 2020-02-27 2022-10-18 现代斗山英维高株式会社 工程机械
WO2023248579A1 (ja) * 2022-06-23 2023-12-28 川崎重工業株式会社 液圧駆動装置

Also Published As

Publication number Publication date
JPS6337216B2 (de) 1988-07-25

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