KR20210045302A - 유압 제어 장치 및 건설 기계 - Google Patents
유압 제어 장치 및 건설 기계 Download PDFInfo
- Publication number
- KR20210045302A KR20210045302A KR1020200117637A KR20200117637A KR20210045302A KR 20210045302 A KR20210045302 A KR 20210045302A KR 1020200117637 A KR1020200117637 A KR 1020200117637A KR 20200117637 A KR20200117637 A KR 20200117637A KR 20210045302 A KR20210045302 A KR 20210045302A
- Authority
- KR
- South Korea
- Prior art keywords
- pressure
- hydraulic
- flow path
- unit
- valve
- Prior art date
Links
Images
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
- E02F9/2278—Hydraulic circuits
- E02F9/2285—Pilot-operated systems
-
- 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
- E02F9/2221—Control of flow rate; Load sensing arrangements
-
- 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
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2267—Valves or distributors
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019189386A JP7332424B2 (ja) | 2019-10-16 | 2019-10-16 | 油圧制御装置及び建設機械 |
JPJP-P-2019-189386 | 2019-10-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20210045302A true KR20210045302A (ko) | 2021-04-26 |
Family
ID=75404010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020200117637A KR20210045302A (ko) | 2019-10-16 | 2020-09-14 | 유압 제어 장치 및 건설 기계 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP7332424B2 (zh) |
KR (1) | KR20210045302A (zh) |
CN (1) | CN112664496A (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019052702A (ja) | 2017-09-15 | 2019-04-04 | 川崎重工業株式会社 | 建設機械の油圧駆動システム |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010196266A (ja) * | 2009-02-23 | 2010-09-09 | Caterpillar Japan Ltd | 建設機械の油圧回路における圧力検出システム |
-
2019
- 2019-10-16 JP JP2019189386A patent/JP7332424B2/ja active Active
-
2020
- 2020-09-14 KR KR1020200117637A patent/KR20210045302A/ko active Search and Examination
- 2020-09-15 CN CN202010969259.2A patent/CN112664496A/zh active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019052702A (ja) | 2017-09-15 | 2019-04-04 | 川崎重工業株式会社 | 建設機械の油圧駆動システム |
Also Published As
Publication number | Publication date |
---|---|
JP2021063566A (ja) | 2021-04-22 |
CN112664496A (zh) | 2021-04-16 |
JP7332424B2 (ja) | 2023-08-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10107311B2 (en) | Hydraulic drive system for construction machine | |
EP3305994B1 (en) | Control system for construction machinery and control method for construction machinery | |
US20080300757A1 (en) | Construction Machine Control Mode Switching Device and Construction Machine | |
EP2098437A1 (en) | Steering system for working vehicle | |
JP2007192344A (ja) | 作業機械の油圧制御装置 | |
WO2021039284A1 (ja) | 建設機械の油圧システム | |
US10619632B2 (en) | Hydraulic drive system of construction machine | |
WO2019220954A1 (ja) | 油圧ショベル駆動システム | |
WO2021039282A1 (ja) | 建設機械の油圧システム | |
US11697918B2 (en) | Hydraulic system of construction machine | |
JP2021032319A (ja) | 建設機械の油圧システム | |
US11313390B2 (en) | Hydraulic drive system | |
JP2004197825A (ja) | 液圧駆動装置 | |
KR20210045302A (ko) | 유압 제어 장치 및 건설 기계 | |
KR102246421B1 (ko) | 건설기계의 제어 시스템 및 건설기계의 제어 방법 | |
KR102054519B1 (ko) | 건설기계의 유압시스템 | |
JP2016205451A (ja) | 流体圧回路および作業機械 | |
US11371206B2 (en) | Hydraulic excavator drive system | |
JP2004360898A (ja) | 作業機械の油圧制御装置 | |
JP2017129067A (ja) | フェールセーフ付油圧システム | |
JP4926627B2 (ja) | 電油システム | |
JP2007192347A (ja) | 作業機械の油圧制御装置 | |
CN111373160B (zh) | 油压系统 | |
JP2001280302A (ja) | 油圧制御回路 | |
KR20210041640A (ko) | 다목적용 유압시스템의 펌프 유량 제어를 위한 유압회로 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination |