JPS646501A - Control apparatus for load sensing hydraulic drive circuit - Google Patents

Control apparatus for load sensing hydraulic drive circuit

Info

Publication number
JPS646501A
JPS646501A JP16270287A JP16270287A JPS646501A JP S646501 A JPS646501 A JP S646501A JP 16270287 A JP16270287 A JP 16270287A JP 16270287 A JP16270287 A JP 16270287A JP S646501 A JPS646501 A JP S646501A
Authority
JP
Japan
Prior art keywords
control apparatus
differential pressure
pressure
flow rate
hydraulic
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
JP16270287A
Other languages
English (en)
Other versions
JPH076521B2 (ja
Inventor
Eiki Izumi
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 JP62162702A priority Critical patent/JPH076521B2/ja
Publication of JPS646501A publication Critical patent/JPS646501A/ja
Publication of JPH076521B2 publication Critical patent/JPH076521B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
JP62162702A 1987-06-30 1987-06-30 ロ−ドセンシング油圧駆動回路の制御装置 Expired - Fee Related JPH076521B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62162702A JPH076521B2 (ja) 1987-06-30 1987-06-30 ロ−ドセンシング油圧駆動回路の制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62162702A JPH076521B2 (ja) 1987-06-30 1987-06-30 ロ−ドセンシング油圧駆動回路の制御装置

Publications (2)

Publication Number Publication Date
JPS646501A true JPS646501A (en) 1989-01-11
JPH076521B2 JPH076521B2 (ja) 1995-01-30

Family

ID=15759677

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62162702A Expired - Fee Related JPH076521B2 (ja) 1987-06-30 1987-06-30 ロ−ドセンシング油圧駆動回路の制御装置

Country Status (1)

Country Link
JP (1) JPH076521B2 (ja)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01312202A (ja) * 1988-01-27 1989-12-18 Hitachi Constr Mach Co Ltd ロードセンシング油圧駆動回路の制御装置
JPH02275101A (ja) * 1989-04-17 1990-11-09 Hitachi Constr Mach Co Ltd ロードセンシング油圧駆動回路の制御装置
JPH06221301A (ja) * 1993-01-19 1994-08-09 Samsung Heavy Ind Co Ltd 油圧ポンプの吐出流量制御装置
WO2004007973A1 (ja) * 2002-07-11 2004-01-22 Nabtesco Corporation 電気流体圧アクチュエーションシステム
JP2008224038A (ja) * 2008-04-07 2008-09-25 Komatsu Ltd 油圧駆動機械の制御装置
WO2008116515A1 (de) * 2007-03-27 2008-10-02 Hydac Filtertechnik Gmbh Ventilanordnung
JP2010539411A (ja) * 2007-09-13 2010-12-16 キャタピラー インコーポレイテッド 適応流量制御を実施するアクチュエータ制御システム
WO2014061507A1 (ja) * 2012-10-17 2014-04-24 日立建機株式会社 建設機械の油圧駆動装置
WO2014068973A1 (ja) 2012-10-30 2014-05-08 川崎重工業株式会社 液圧制御装置
WO2019188061A1 (ja) * 2018-03-27 2019-10-03 ヤンマー株式会社 作業車両の油圧回路
JP2024025121A (ja) * 2022-08-10 2024-02-26 株式会社クボタ 作業機の油圧システム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011706A (ja) * 1983-06-14 1985-01-22 リンデ・アクチエンゲゼルシヤフト １つのポンプとこのポンプによつて負荷される少なくとも２つの液力作業装置とを有する液力式装置
JPS6244105U (ja) * 1985-09-06 1987-03-17
JPS6275107A (ja) * 1985-09-30 1987-04-07 Komatsu Ltd 流量制御方法及び装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011706A (ja) * 1983-06-14 1985-01-22 リンデ・アクチエンゲゼルシヤフト １つのポンプとこのポンプによつて負荷される少なくとも２つの液力作業装置とを有する液力式装置
JPS6244105U (ja) * 1985-09-06 1987-03-17
JPS6275107A (ja) * 1985-09-30 1987-04-07 Komatsu Ltd 流量制御方法及び装置

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01312202A (ja) * 1988-01-27 1989-12-18 Hitachi Constr Mach Co Ltd ロードセンシング油圧駆動回路の制御装置
JPH02275101A (ja) * 1989-04-17 1990-11-09 Hitachi Constr Mach Co Ltd ロードセンシング油圧駆動回路の制御装置
JPH06221301A (ja) * 1993-01-19 1994-08-09 Samsung Heavy Ind Co Ltd 油圧ポンプの吐出流量制御装置
WO2004007973A1 (ja) * 2002-07-11 2004-01-22 Nabtesco Corporation 電気流体圧アクチュエーションシステム
WO2008116515A1 (de) * 2007-03-27 2008-10-02 Hydac Filtertechnik Gmbh Ventilanordnung
US8479636B2 (en) 2007-03-27 2013-07-09 Hydac Filtertechnik Gmbh Valve arrangement
JP2010539411A (ja) * 2007-09-13 2010-12-16 キャタピラー インコーポレイテッド 適応流量制御を実施するアクチュエータ制御システム
JP2008224038A (ja) * 2008-04-07 2008-09-25 Komatsu Ltd 油圧駆動機械の制御装置
WO2014061507A1 (ja) * 2012-10-17 2014-04-24 日立建機株式会社 建設機械の油圧駆動装置
JPWO2014061507A1 (ja) * 2012-10-17 2016-09-05 日立建機株式会社 建設機械の油圧駆動装置
US9828746B2 (en) 2012-10-17 2017-11-28 Hitachi Construction Machinery Tierra Co., Ltd. Hydraulic driving system for construction machine
WO2014068973A1 (ja) 2012-10-30 2014-05-08 川崎重工業株式会社 液圧制御装置
CN104302931A (zh) * 2012-10-30 2015-01-21 川崎重工业株式会社 液压控制装置
WO2019188061A1 (ja) * 2018-03-27 2019-10-03 ヤンマー株式会社 作業車両の油圧回路
JP2019173803A (ja) * 2018-03-27 2019-10-10 ヤンマー株式会社 作業車両の油圧回路
KR20200135275A (ko) * 2018-03-27 2020-12-02 얀마 파워 테크놀로지 가부시키가이샤 작업 차량의 유압 회로
JP2024025121A (ja) * 2022-08-10 2024-02-26 株式会社クボタ 作業機の油圧システム

Also Published As

Publication number Publication date
JPH076521B2 (ja) 1995-01-30

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees