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 PDFInfo
- 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
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- oil
- cylinder
- valve
- oil passage
- 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.)
- Active
Links
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Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
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)
Country | Link |
---|---|
JP (1) | JP6434504B2 (zh) |
CN (1) | CN106460877B (zh) |
WO (1) | WO2015178317A1 (zh) |
Families Citing this family (5)
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)
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 |
-
2015
- 2015-05-15 JP JP2016521080A patent/JP6434504B2/ja active Active
- 2015-05-15 CN CN201580025527.2A patent/CN106460877B/zh not_active Expired - Fee Related
- 2015-05-15 WO PCT/JP2015/064092 patent/WO2015178317A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN106460877B (zh) | 2019-05-10 |
CN106460877A (zh) | 2017-02-22 |
JPWO2015178317A1 (ja) | 2017-04-20 |
WO2015178317A1 (ja) | 2015-11-26 |
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Legal Events
Date | Code | Title | Description |
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A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170413 |
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