JP2018135913A5 - - Google Patents

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Publication number
JP2018135913A5
JP2018135913A5 JP2017029305A JP2017029305A JP2018135913A5 JP 2018135913 A5 JP2018135913 A5 JP 2018135913A5 JP 2017029305 A JP2017029305 A JP 2017029305A JP 2017029305 A JP2017029305 A JP 2017029305A JP 2018135913 A5 JP2018135913 A5 JP 2018135913A5
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JP
Japan
Prior art keywords
pilot pressure
pilot
pressure
valve
electromagnetic
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Application number
JP2017029305A
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English (en)
Japanese (ja)
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JP2018135913A (ja
JP6683640B2 (ja
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Application filed filed Critical
Priority claimed from JP2017029305A external-priority patent/JP6683640B2/ja
Priority to JP2017029305A priority Critical patent/JP6683640B2/ja
Priority to US16/329,032 priority patent/US10677268B2/en
Priority to KR1020197004291A priority patent/KR102097536B1/ko
Priority to PCT/JP2018/006055 priority patent/WO2018151323A1/ja
Priority to CN201880003186.2A priority patent/CN109642591B/zh
Priority to EP18754729.4A priority patent/EP3492755B1/en
Publication of JP2018135913A publication Critical patent/JP2018135913A/ja
Publication of JP2018135913A5 publication Critical patent/JP2018135913A5/ja
Publication of JP6683640B2 publication Critical patent/JP6683640B2/ja
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2017029305A 2017-02-20 2017-02-20 建設機械 Active JP6683640B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2017029305A JP6683640B2 (ja) 2017-02-20 2017-02-20 建設機械
CN201880003186.2A CN109642591B (zh) 2017-02-20 2018-02-20 工程机械
KR1020197004291A KR102097536B1 (ko) 2017-02-20 2018-02-20 건설 기계
PCT/JP2018/006055 WO2018151323A1 (ja) 2017-02-20 2018-02-20 建設機械
US16/329,032 US10677268B2 (en) 2017-02-20 2018-02-20 Construction machine
EP18754729.4A EP3492755B1 (en) 2017-02-20 2018-02-20 Construction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017029305A JP6683640B2 (ja) 2017-02-20 2017-02-20 建設機械

Publications (3)

Publication Number Publication Date
JP2018135913A JP2018135913A (ja) 2018-08-30
JP2018135913A5 true JP2018135913A5 (enExample) 2019-05-09
JP6683640B2 JP6683640B2 (ja) 2020-04-22

Family

ID=63169924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017029305A Active JP6683640B2 (ja) 2017-02-20 2017-02-20 建設機械

Country Status (6)

Country Link
US (1) US10677268B2 (enExample)
EP (1) EP3492755B1 (enExample)
JP (1) JP6683640B2 (enExample)
KR (1) KR102097536B1 (enExample)
CN (1) CN109642591B (enExample)
WO (1) WO2018151323A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6634363B2 (ja) * 2016-11-16 2020-01-22 日立建機株式会社 作業機械
JP7123735B2 (ja) * 2018-10-23 2022-08-23 ヤンマーパワーテクノロジー株式会社 建設機械及び建設機械の制御システム
JP7110164B2 (ja) * 2019-09-25 2022-08-01 株式会社日立建機ティエラ 建設機械
JP7345386B2 (ja) * 2019-12-25 2023-09-15 株式会社クボタ建設 製管機
CN111794306B (zh) * 2020-07-15 2023-03-24 徐州徐工挖掘机械有限公司 先导油压力控制方法、装置、控制器以及存储介质
JP7681417B2 (ja) * 2021-03-29 2025-05-22 日立建機株式会社 建設機械
EP4074937A1 (en) 2021-04-12 2022-10-19 Bay Shore Systems Inc. Skid-steer loader attachment assemblies and methods for performing earth augering using a skid-steer loader
JP7496910B1 (ja) 2023-03-31 2024-06-07 日立建機株式会社 建設機械の油圧制御システム

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH053364A (ja) * 1991-06-21 1993-01-08 Nippon Telegr & Teleph Corp <Ntt> 半導体レーザ
JP2892939B2 (ja) * 1994-06-28 1999-05-17 日立建機株式会社 油圧掘削機の油圧回路装置
JPH08189502A (ja) * 1995-01-11 1996-07-23 Komatsu Ltd 主切換弁のパイロット操作油圧回路
JP4011234B2 (ja) 1999-06-10 2007-11-21 株式会社加藤製作所 アクチュエータ作動装置
JP3557167B2 (ja) * 2000-11-20 2004-08-25 新キャタピラー三菱株式会社 作業用機械における油圧回路
KR100929420B1 (ko) * 2006-12-28 2009-12-03 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 굴삭기의 붐 충격 완화장치 및 그 제어방법
JP5175870B2 (ja) * 2010-01-13 2013-04-03 川崎重工業株式会社 作業機械の駆動制御装置
JP5548113B2 (ja) * 2010-12-17 2014-07-16 川崎重工業株式会社 作業機械の駆動制御方法
CN202508776U (zh) * 2012-02-28 2012-10-31 三一汽车起重机械有限公司 一种双操控模式的先导控制系统及起重机
JP2014065324A (ja) 2012-09-24 2014-04-17 Hitachi Constr Mach Co Ltd 作業車両
JP6013503B2 (ja) * 2012-11-08 2016-10-25 日立建機株式会社 建設機械
CN203847458U (zh) * 2014-03-10 2014-09-24 杭州科技职业技术学院 一种同时可以电控和手控的先导结构
JP6013389B2 (ja) * 2014-03-24 2016-10-25 日立建機株式会社 作業機械の油圧システム
JP6259371B2 (ja) 2014-07-31 2018-01-10 株式会社クボタ 作業機
WO2016085959A1 (en) * 2014-11-24 2016-06-02 Parker-Hannifin Corporation System architectures for steering and work functions in a wheel loader
CN104595273B (zh) * 2015-01-14 2017-03-01 柳州柳工挖掘机有限公司 工程机械精细化操作液压系统
JP6316776B2 (ja) * 2015-06-09 2018-04-25 日立建機株式会社 作業機械の油圧駆動システム
CN106321541B (zh) * 2016-08-30 2018-03-27 中煤科工集团西安研究院有限公司 一种车载钻机电液双控液压系统及方法
EP3517789B1 (en) * 2016-09-23 2023-09-13 Hitachi Construction Machinery Co., Ltd. Hydraulic energy recovery device for work machine

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