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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JP
Japan
Prior art keywords
pressure
target
meter
boom
cylinder
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.)
Active
Application number
JP2023509991A
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English (en)
Japanese (ja)
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JPWO2022208694A1 (enrdf_load_stackoverflow
JPWO2022208694A5 (enrdf_load_stackoverflow
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
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
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 (enrdf_load_stackoverflow) 2022-10-06
JPWO2022208694A5 JPWO2022208694A5 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)
WO (1) WO2022208694A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* 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

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
JP3781552B2 (ja) * 1998-04-17 2006-05-31 油研工業株式会社 可変容量形ポンプ
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

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

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

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