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)
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JP6231949B2 (ja
JP2016008625A (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 EP15811218.5A priority patent/EP3159550B1/en
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 KR1020167023314A priority patent/KR101876895B1/ko
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
EP15811218.5A EP3159550B1 (en) 2014-06-23 2015-06-10 Hydraulic driving system for a construction machine
KR1020167023314A KR101876895B1 (ko) 2014-06-23 2015-06-10 건설 기계의 유압 구동 장치

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 (https=) 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 (https=)
EP (1) EP3159550B1 (https=)
JP (1) JP6231949B2 (https=)
KR (1) KR101876895B1 (https=)
CN (1) CN106133333B (https=)
WO (1) WO2015198868A1 (https=)

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
EP3591239B1 (en) * 2018-03-28 2022-01-12 Hitachi Construction Machinery Tierra Co., Ltd. Hydraulic drive device for construction machine
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
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
JP7096425B2 (ja) * 2019-03-27 2022-07-05 日立建機株式会社 作業機械
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
EP0379595B1 (en) * 1988-07-08 1993-09-29 Hitachi Construction Machinery Co., Ltd. Hydraulic driving apparatus
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
US9835180B2 (en) * 2013-01-25 2017-12-05 Hitachi Construction Machinery Tierra Co., Ltd Hydraulic drive system for construction machine
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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