JP2016008625A5 - - Google Patents

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Publication number
JP2016008625A5
JP2016008625A5 JP2014128018A JP2014128018A JP2016008625A5 JP 2016008625 A5 JP2016008625 A5 JP 2016008625A5 JP 2014128018 A JP2014128018 A JP 2014128018A JP 2014128018 A JP2014128018 A JP 2014128018A JP 2016008625 A5 JP2016008625 A5 JP 2016008625A5
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JP
Japan
Prior art keywords
pressure
target
spring
unload valve
pgr
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
JP2014128018A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016008625A (ja
JP6231949B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from JP2014128018A external-priority patent/JP6231949B2/ja
Priority to JP2014128018A priority Critical patent/JP6231949B2/ja
Priority to KR1020167023314A priority patent/KR101876895B1/ko
Priority to PCT/JP2015/066779 priority patent/WO2015198868A1/ja
Priority to US15/122,789 priority patent/US10100495B2/en
Priority to CN201580010600.9A priority patent/CN106133333B/zh
Priority to EP15811218.5A priority patent/EP3159550B1/en
Publication of JP2016008625A publication Critical patent/JP2016008625A/ja
Publication of JP2016008625A5 publication Critical patent/JP2016008625A5/ja
Publication of JP6231949B2 publication Critical patent/JP6231949B2/ja
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2014128018A 2014-06-23 2014-06-23 建設機械の油圧駆動装置 Active JP6231949B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2014128018A JP6231949B2 (ja) 2014-06-23 2014-06-23 建設機械の油圧駆動装置
CN201580010600.9A CN106133333B (zh) 2014-06-23 2015-06-10 工程机械的液压驱动装置
PCT/JP2015/066779 WO2015198868A1 (ja) 2014-06-23 2015-06-10 建設機械の油圧駆動装置
US15/122,789 US10100495B2 (en) 2014-06-23 2015-06-10 Hydraulic driving system for construction machine
KR1020167023314A KR101876895B1 (ko) 2014-06-23 2015-06-10 건설 기계의 유압 구동 장치
EP15811218.5A EP3159550B1 (en) 2014-06-23 2015-06-10 Hydraulic driving system for a construction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014128018A JP6231949B2 (ja) 2014-06-23 2014-06-23 建設機械の油圧駆動装置

Publications (3)

Publication Number Publication Date
JP2016008625A JP2016008625A (ja) 2016-01-18
JP2016008625A5 true JP2016008625A5 (enExample) 2016-09-01
JP6231949B2 JP6231949B2 (ja) 2017-11-15

Family

ID=54937959

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014128018A Active JP6231949B2 (ja) 2014-06-23 2014-06-23 建設機械の油圧駆動装置

Country Status (6)

Country Link
US (1) US10100495B2 (enExample)
EP (1) EP3159550B1 (enExample)
JP (1) JP6231949B2 (enExample)
KR (1) KR101876895B1 (enExample)
CN (1) CN106133333B (enExample)
WO (1) WO2015198868A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5878811B2 (ja) * 2012-04-10 2016-03-08 日立建機株式会社 建設機械の油圧駆動装置
JP6625963B2 (ja) * 2016-12-15 2019-12-25 株式会社日立建機ティエラ 作業機械の油圧駆動装置
JP6900897B2 (ja) * 2017-12-25 2021-07-07 コベルコ建機株式会社 建設機械の障害物検出装置
CN108194441B (zh) * 2017-12-28 2024-02-02 江苏徐工工程机械研究院有限公司 多路阀尾联及电液比例多路阀
JP6940447B2 (ja) * 2018-03-28 2021-09-29 株式会社日立建機ティエラ 建設機械の油圧駆動装置
EP3591239B1 (en) 2018-03-28 2022-01-12 Hitachi Construction Machinery Tierra Co., Ltd. Hydraulic drive device for construction machine
DE102018218165A1 (de) * 2018-10-24 2020-04-30 Robert Bosch Gmbh Anordnung für eine Arbeitshydraulik, Verfahren und Arbeitshydraulik
JP7095589B2 (ja) * 2018-12-26 2022-07-05 株式会社豊田自動織機 産業車両の油圧駆動装置
EP3951069B1 (en) * 2019-03-27 2026-01-28 Hitachi Construction Machinery Co., Ltd. Work machine
US11680381B2 (en) * 2021-01-07 2023-06-20 Caterpillar Underground Mining Pty. Ltd. Variable system pressure based on implement position
US11143211B1 (en) * 2021-01-29 2021-10-12 Cnh Industrial America Llc System and method for controlling hydraulic fluid flow within a work vehicle
JP7825413B2 (ja) * 2021-12-07 2026-03-06 キャタピラー エス エー アール エル 作業機械における油圧制御システム
US12523014B2 (en) 2024-04-09 2026-01-13 Cnh Industrial America Llc System and method for controlling hydraulic fluid flow within a work vehicle

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940008638B1 (ko) * 1988-07-08 1994-09-24 히다찌 겐끼 가부시기가이샤 건설기계의 유압구동장치
JPH02107802A (ja) * 1988-08-31 1990-04-19 Hitachi Constr Mach Co Ltd 油圧駆動装置
JP2600928B2 (ja) 1989-11-02 1997-04-16 富士電機株式会社 電磁接触器
JP2600928Y2 (ja) 1993-06-08 1999-11-02 川崎重工業株式会社 建設車両の油圧回路
JP3854027B2 (ja) 2000-01-12 2006-12-06 日立建機株式会社 油圧駆動装置
JP2002323003A (ja) * 2001-04-23 2002-11-08 Nachi Fujikoshi Corp 油圧駆動装置
JP3831222B2 (ja) * 2001-10-01 2006-10-11 日立建機株式会社 油圧駆動装置
JP3981671B2 (ja) * 2003-03-26 2007-09-26 カヤバ工業株式会社 油圧制御装置
JP4139352B2 (ja) * 2004-05-19 2008-08-27 カヤバ工業株式会社 油圧制御装置
JP2007024103A (ja) * 2005-07-13 2007-02-01 Hitachi Constr Mach Co Ltd 油圧駆動装置
JP2008224039A (ja) * 2008-04-07 2008-09-25 Komatsu Ltd 油圧駆動機械の制御装置
KR101719676B1 (ko) * 2012-10-17 2017-03-24 가부시키가이샤 히다치 겡키 티에라 건설 기계의 유압 구동 장치
JP5661084B2 (ja) * 2012-11-13 2015-01-28 株式会社神戸製鋼所 作業機械の油圧駆動装置
CN104956092B (zh) * 2013-01-25 2016-12-28 日立建机株式会社 工程机械的液压驱动装置
CN103754804B (zh) * 2014-01-23 2016-08-24 杭州爱知工程车辆有限公司 一种高空作业车缓冲控制系统

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