JP6434504B2 - ショベル及びその制御方法 - Google Patents

ショベル及びその制御方法 Download PDF

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Publication number
JP6434504B2
JP6434504B2 JP2016521080A JP2016521080A JP6434504B2 JP 6434504 B2 JP6434504 B2 JP 6434504B2 JP 2016521080 A JP2016521080 A JP 2016521080A JP 2016521080 A JP2016521080 A JP 2016521080A JP 6434504 B2 JP6434504 B2 JP 6434504B2
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Japan
Prior art keywords
hydraulic
oil
cylinder
valve
oil passage
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JP2016521080A
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English (en)
Japanese (ja)
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JPWO2015178317A1 (ja
Inventor
宏治 川島
宏治 川島
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.)
Sumitomo Heavy Industries Ltd
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Sumitomo Heavy Industries Ltd
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Publication of JPWO2015178317A1 publication Critical patent/JPWO2015178317A1/ja
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
JP2016521080A 2014-05-19 2015-05-15 ショベル及びその制御方法 Active JP6434504B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014103711 2014-05-19
JP2014103711 2014-05-19
PCT/JP2015/064092 WO2015178317A1 (ja) 2014-05-19 2015-05-15 ショベル及びその制御方法

Publications (2)

Publication Number Publication Date
JPWO2015178317A1 JPWO2015178317A1 (ja) 2017-04-20
JP6434504B2 true JP6434504B2 (ja) 2018-12-05

Family

ID=54553988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016521080A Active JP6434504B2 (ja) 2014-05-19 2015-05-15 ショベル及びその制御方法

Country Status (3)

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JP (1) JP6434504B2 (zh)
CN (1) CN106460877B (zh)
WO (1) WO2015178317A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019094609A (ja) * 2016-03-30 2019-06-20 住友重機械工業株式会社 ショベル
JP2017180045A (ja) * 2016-03-31 2017-10-05 住友重機械工業株式会社 ショベルのシリーズ、ショベルの油圧回路、及びショベル
EP3608548B1 (en) * 2018-03-19 2023-10-25 Hitachi Construction Machinery Co., Ltd. Construction machine
JP7171475B2 (ja) * 2019-03-11 2022-11-15 日立建機株式会社 作業機械
CN110541447A (zh) * 2019-09-06 2019-12-06 上海三一重机股份有限公司 动臂下降回油再用控制装置、方法和挖掘机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04194129A (ja) * 1990-11-27 1992-07-14 Komatsu Ltd ロードセンシングシステムにおける油圧再生回路
JP2001295813A (ja) * 2000-04-12 2001-10-26 Yanmar Diesel Engine Co Ltd 作業機の油圧回路
JP3846776B2 (ja) * 2001-02-06 2006-11-15 新キャタピラー三菱株式会社 作業機械におけるブームシリンダの油圧制御回路
US6892535B2 (en) * 2002-06-14 2005-05-17 Volvo Construction Equipment Holding Sweden Ab Hydraulic circuit for boom cylinder combination having float function
JP4446851B2 (ja) * 2004-09-27 2010-04-07 日立建機株式会社 作業機械の油圧駆動装置
JP4815338B2 (ja) * 2006-12-18 2011-11-16 日立建機株式会社 油圧ショベルの油圧駆動装置
JP5296570B2 (ja) * 2009-02-16 2013-09-25 株式会社神戸製鋼所 作業機械の油圧制御装置及びこれを備えた作業機械
JP5356477B2 (ja) * 2011-09-06 2013-12-04 住友建機株式会社 建設機械

Also Published As

Publication number Publication date
WO2015178317A1 (ja) 2015-11-26
CN106460877A (zh) 2017-02-22
CN106460877B (zh) 2019-05-10
JPWO2015178317A1 (ja) 2017-04-20

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