JP2019173880A5 - - Google Patents

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Publication number
JP2019173880A5
JP2019173880A5 JP2018063053A JP2018063053A JP2019173880A5 JP 2019173880 A5 JP2019173880 A5 JP 2019173880A5 JP 2018063053 A JP2018063053 A JP 2018063053A JP 2018063053 A JP2018063053 A JP 2018063053A JP 2019173880 A5 JP2019173880 A5 JP 2019173880A5
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JP
Japan
Prior art keywords
pressure
actuators
flow rate
hydraulic pump
construction machine
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.)
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Application number
JP2018063053A
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English (en)
Japanese (ja)
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JP6940447B2 (ja
JP2019173880A (ja
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Publication date
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Priority claimed from JP2018063053A external-priority patent/JP6940447B2/ja
Priority to JP2018063053A priority Critical patent/JP6940447B2/ja
Priority to KR1020207005274A priority patent/KR102389763B1/ko
Priority to EP19776046.5A priority patent/EP3660330B1/en
Priority to US16/642,248 priority patent/US10995474B2/en
Priority to PCT/JP2019/000430 priority patent/WO2019187489A1/ja
Priority to CN201980004201.XA priority patent/CN111133204B/zh
Publication of JP2019173880A publication Critical patent/JP2019173880A/ja
Publication of JP2019173880A5 publication Critical patent/JP2019173880A5/ja
Publication of JP6940447B2 publication Critical patent/JP6940447B2/ja
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2018063053A 2018-03-28 2018-03-28 建設機械の油圧駆動装置 Active JP6940447B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2018063053A JP6940447B2 (ja) 2018-03-28 2018-03-28 建設機械の油圧駆動装置
PCT/JP2019/000430 WO2019187489A1 (ja) 2018-03-28 2019-01-10 建設機械
EP19776046.5A EP3660330B1 (en) 2018-03-28 2019-01-10 Construction machine
US16/642,248 US10995474B2 (en) 2018-03-28 2019-01-10 Construction machine
KR1020207005274A KR102389763B1 (ko) 2018-03-28 2019-01-10 건설 기계
CN201980004201.XA CN111133204B (zh) 2018-03-28 2019-01-10 工程机械

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018063053A JP6940447B2 (ja) 2018-03-28 2018-03-28 建設機械の油圧駆動装置

Publications (3)

Publication Number Publication Date
JP2019173880A JP2019173880A (ja) 2019-10-10
JP2019173880A5 true JP2019173880A5 (https=) 2020-07-30
JP6940447B2 JP6940447B2 (ja) 2021-09-29

Family

ID=68058068

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018063053A Active JP6940447B2 (ja) 2018-03-28 2018-03-28 建設機械の油圧駆動装置

Country Status (6)

Country Link
US (1) US10995474B2 (https=)
EP (1) EP3660330B1 (https=)
JP (1) JP6940447B2 (https=)
KR (1) KR102389763B1 (https=)
CN (1) CN111133204B (https=)
WO (1) WO2019187489A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7190933B2 (ja) * 2019-02-15 2022-12-16 日立建機株式会社 建設機械
CN113544340B (zh) * 2019-03-19 2023-08-18 住友建机株式会社 挖土机
JP7400552B2 (ja) * 2020-03-06 2023-12-19 コベルコ建機株式会社 作業機械の油圧駆動装置
JP7572797B2 (ja) * 2020-05-29 2024-10-24 株式会社小松製作所 作業システムおよび制御方法
EP4098810A4 (en) * 2020-06-22 2024-03-06 Hitachi Construction Machinery Co., Ltd. CONSTRUCTION MACHINERY
JP2022096795A (ja) * 2020-12-18 2022-06-30 川崎重工業株式会社 弁ユニットおよび弁装置
JP7633823B2 (ja) * 2021-02-08 2025-02-20 キャタピラー エス エー アール エル 油圧制御システム
CN113775603A (zh) * 2021-02-19 2021-12-10 太原理工大学 一种电液多执行器流量控制系统及方法
JP7614973B2 (ja) 2021-07-30 2025-01-16 川崎重工業株式会社 掘削用液圧モータのレギュレータ
JP7530340B2 (ja) * 2021-08-11 2024-08-07 株式会社クボタ 作業機の油圧システム
WO2023025413A1 (en) * 2021-08-26 2023-03-02 Caterpillar Sarl Hydraulic control system in excavator type construction machine
US11614101B1 (en) * 2021-10-26 2023-03-28 Cnh Industrial America Llc System and method for controlling hydraulic valve operation within a work vehicle
CN117881900A (zh) * 2022-01-21 2024-04-12 日立建机株式会社 作业机械
SE2450786A1 (en) * 2024-07-09 2026-01-10 Steelwrist Ab Self regulating pressure compensated hydraulic system for differential pressure control
CN119244588B (zh) * 2024-09-05 2026-03-17 中联重科股份有限公司 臂架液压系统和混凝土设备

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AU603907B2 (en) * 1987-06-30 1990-11-29 Hitachi Construction Machinery Co. Ltd. Hydraulic drive system
JP2592502B2 (ja) 1987-10-05 1997-03-19 日立建機株式会社 油圧駆動装置及び油圧建設機械
JPH07103883B2 (ja) * 1989-04-17 1995-11-08 日立建機株式会社 ロードセンシング油圧駆動回路の制御装置
CA2035632C (en) * 1990-10-01 1994-05-24 Karsten Solheim Putter
JPH04351301A (ja) * 1991-05-28 1992-12-07 Hitachi Constr Mach Co Ltd 油圧回路の制御装置
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JPH0742705A (ja) 1993-07-30 1995-02-10 Yutani Heavy Ind Ltd 作業機械の油圧装置
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