JP7624505B2 - 作業機械 - Google Patents

作業機械 Download PDF

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Publication number
JP7624505B2
JP7624505B2 JP2023509991A JP2023509991A JP7624505B2 JP 7624505 B2 JP7624505 B2 JP 7624505B2 JP 2023509991 A JP2023509991 A JP 2023509991A JP 2023509991 A JP2023509991 A JP 2023509991A JP 7624505 B2 JP7624505 B2 JP 7624505B2
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Japan
Prior art keywords
pressure
target
meter
boom
cylinder
Prior art date
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JP2023509991A
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English (en)
Japanese (ja)
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JPWO2022208694A1 (https=
JPWO2022208694A5 (https=
Inventor
裕昭 天野
賢人 熊谷
真司 西川
昭広 楢▲崎▼
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
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Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of JPWO2022208694A1 publication Critical patent/JPWO2022208694A1/ja
Publication of JPWO2022208694A5 publication Critical patent/JPWO2022208694A5/ja
Application granted granted Critical
Publication of JP7624505B2 publication Critical patent/JP7624505B2/ja
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    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
JP2023509991A 2021-03-30 2021-03-30 作業機械 Active JP7624505B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/013702 WO2022208694A1 (ja) 2021-03-30 2021-03-30 作業機械

Publications (3)

Publication Number Publication Date
JPWO2022208694A1 JPWO2022208694A1 (https=) 2022-10-06
JPWO2022208694A5 JPWO2022208694A5 (https=) 2023-12-27
JP7624505B2 true JP7624505B2 (ja) 2025-01-30

Family

ID=83458429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023509991A Active JP7624505B2 (ja) 2021-03-30 2021-03-30 作業機械

Country Status (2)

Country Link
JP (1) JP7624505B2 (https=)
WO (1) WO2022208694A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7346647B1 (ja) 2022-03-31 2023-09-19 日立建機株式会社 作業機械
WO2026070081A1 (ja) * 2024-09-27 2026-04-02 株式会社小松製作所 作業機械

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000009102A (ja) 1998-06-22 2000-01-11 Kobe Steel Ltd 油圧アクチュエータの制御装置
JP2003172302A (ja) 2001-12-06 2003-06-20 Yuken Kogyo Co Ltd インバータ駆動油圧ユニット
JP2003184811A (ja) 2001-12-21 2003-07-03 Toyooki Kogyo Co Ltd 液圧駆動装置
JP2007064446A (ja) 2005-09-01 2007-03-15 Kobelco Contstruction Machinery Ltd 建設機械の油圧制御装置
JP2012007694A (ja) 2010-06-25 2012-01-12 Caterpillar Sarl 作業機械の制御装置
WO2013171801A1 (ja) 2012-05-18 2013-11-21 Yamaji Kenpei 油圧制御システム
WO2018092582A1 (ja) 2016-11-16 2018-05-24 日立建機株式会社 作業機械
WO2018164263A1 (ja) 2017-03-10 2018-09-13 住友建機株式会社 ショベル
JP2019027009A (ja) 2017-07-25 2019-02-21 住友重機械工業株式会社 ショベル
JP2019120024A (ja) 2017-12-28 2019-07-22 日立建機株式会社 ホイール式作業車両
WO2020039834A1 (ja) 2018-08-23 2020-02-27 株式会社神戸製鋼所 掘削作業機械の油圧駆動装置
WO2020067326A1 (ja) 2018-09-27 2020-04-02 住友重機械工業株式会社 ショベル
WO2020203851A1 (ja) 2019-03-29 2020-10-08 住友重機械工業株式会社 ショベル

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2811200B2 (ja) * 1989-05-19 1998-10-15 株式会社不二越 可変容量型ポンプの閉ループ制御方法及びその制御装置
JPH0599121A (ja) * 1991-10-09 1993-04-20 Tokimec Inc 可変容量形油圧ポンプによる流量・圧力制御装置
JPH06173904A (ja) * 1992-12-08 1994-06-21 Komatsu Ltd 旋回用油圧回路
JP3653289B2 (ja) * 1994-06-27 2005-05-25 カヤバ工業株式会社 油圧制御装置
JP3500201B2 (ja) * 1994-10-31 2004-02-23 日立建機株式会社 油圧駆動装置
JP3781551B2 (ja) * 1998-04-17 2006-05-31 油研工業株式会社 可変容量形ポンプ及びその制御方法
JP3781552B2 (ja) * 1998-04-17 2006-05-31 油研工業株式会社 可変容量形ポンプ

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000009102A (ja) 1998-06-22 2000-01-11 Kobe Steel Ltd 油圧アクチュエータの制御装置
JP2003172302A (ja) 2001-12-06 2003-06-20 Yuken Kogyo Co Ltd インバータ駆動油圧ユニット
JP2003184811A (ja) 2001-12-21 2003-07-03 Toyooki Kogyo Co Ltd 液圧駆動装置
JP2007064446A (ja) 2005-09-01 2007-03-15 Kobelco Contstruction Machinery Ltd 建設機械の油圧制御装置
JP2012007694A (ja) 2010-06-25 2012-01-12 Caterpillar Sarl 作業機械の制御装置
WO2013171801A1 (ja) 2012-05-18 2013-11-21 Yamaji Kenpei 油圧制御システム
WO2018092582A1 (ja) 2016-11-16 2018-05-24 日立建機株式会社 作業機械
WO2018164263A1 (ja) 2017-03-10 2018-09-13 住友建機株式会社 ショベル
JP2019027009A (ja) 2017-07-25 2019-02-21 住友重機械工業株式会社 ショベル
JP2019120024A (ja) 2017-12-28 2019-07-22 日立建機株式会社 ホイール式作業車両
WO2020039834A1 (ja) 2018-08-23 2020-02-27 株式会社神戸製鋼所 掘削作業機械の油圧駆動装置
WO2020067326A1 (ja) 2018-09-27 2020-04-02 住友重機械工業株式会社 ショベル
WO2020203851A1 (ja) 2019-03-29 2020-10-08 住友重機械工業株式会社 ショベル

Also Published As

Publication number Publication date
JPWO2022208694A1 (https=) 2022-10-06
WO2022208694A1 (ja) 2022-10-06

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