JP6308859B2 - 油圧駆動装置 - Google Patents

油圧駆動装置 Download PDF

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Publication number
JP6308859B2
JP6308859B2 JP2014093078A JP2014093078A JP6308859B2 JP 6308859 B2 JP6308859 B2 JP 6308859B2 JP 2014093078 A JP2014093078 A JP 2014093078A JP 2014093078 A JP2014093078 A JP 2014093078A JP 6308859 B2 JP6308859 B2 JP 6308859B2
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JP
Japan
Prior art keywords
hydraulic
hydraulic oil
flow rate
pressure
flow path
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.)
Expired - Fee Related
Application number
JP2014093078A
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English (en)
Japanese (ja)
Other versions
JP2015209943A (ja
JP2015209943A5 (enExample
Inventor
自由理 清水
自由理 清水
麻里子 水落
麻里子 水落
哲平 齋藤
哲平 齋藤
平工　賢二
賢二 平工
啓範 石井
啓範 石井
宏政 高橋
宏政 高橋
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
Priority to JP2014093078A priority Critical patent/JP6308859B2/ja
Publication of JP2015209943A publication Critical patent/JP2015209943A/ja
Publication of JP2015209943A5 publication Critical patent/JP2015209943A5/ja
Application granted granted Critical
Publication of JP6308859B2 publication Critical patent/JP6308859B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP2014093078A 2014-04-28 2014-04-28 油圧駆動装置 Expired - Fee Related JP6308859B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2014093078A JP6308859B2 (ja) 2014-04-28 2014-04-28 油圧駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014093078A JP6308859B2 (ja) 2014-04-28 2014-04-28 油圧駆動装置

Publications (3)

Publication Number Publication Date
JP2015209943A JP2015209943A (ja) 2015-11-24
JP2015209943A5 JP2015209943A5 (enExample) 2017-03-02
JP6308859B2 true JP6308859B2 (ja) 2018-04-11

Family

ID=54612291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014093078A Expired - Fee Related JP6308859B2 (ja) 2014-04-28 2014-04-28 油圧駆動装置

Country Status (1)

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JP (1) JP6308859B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7023886B2 (ja) 2019-03-20 2022-02-22 武蔵精密工業株式会社 中空シャフト

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2554683B (en) * 2016-10-03 2022-01-26 Bamford Excavators Ltd Hydraulic systems for construction machinery
GB2554682B (en) 2016-10-03 2022-01-19 Bamford Excavators Ltd Hydraulic systems for construction machinery
JP6975102B2 (ja) 2018-06-26 2021-12-01 日立建機株式会社 建設機械
KR102794315B1 (ko) * 2021-02-25 2025-04-11 히다치 겡키 가부시키 가이샤 작업 기계
KR20250047736A (ko) * 2022-09-29 2025-04-04 히다치 겡키 가부시키 가이샤 작업 기계

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005076781A (ja) * 2003-09-01 2005-03-24 Shin Caterpillar Mitsubishi Ltd 作業機械の駆動装置
JP2005351430A (ja) * 2004-06-14 2005-12-22 Kubota Corp 差圧制御用ブロック
DE102008034301B4 (de) * 2007-12-04 2019-02-14 Robert Bosch Gmbh Hydraulisches System mit einem verstellbaren Schnellsenkventil
WO2014045672A1 (ja) * 2012-09-20 2014-03-27 日立建機株式会社 作業機械の駆動装置及びこれを備えた作業機械

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7023886B2 (ja) 2019-03-20 2022-02-22 武蔵精密工業株式会社 中空シャフト

Also Published As

Publication number Publication date
JP2015209943A (ja) 2015-11-24

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