JPH0258412B2 - - Google Patents
Info
- Publication number
- JPH0258412B2 JPH0258412B2 JP57027522A JP2752282A JPH0258412B2 JP H0258412 B2 JPH0258412 B2 JP H0258412B2 JP 57027522 A JP57027522 A JP 57027522A JP 2752282 A JP2752282 A JP 2752282A JP H0258412 B2 JPH0258412 B2 JP H0258412B2
- Authority
- JP
- Japan
- Prior art keywords
- switching valve
- directional switching
- valve
- directional
- running
- 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 - Lifetime
Links
- 238000010276 construction Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 7
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
- E02F9/2292—Systems with two or more pumps
-
- 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
- E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57027522A JPS58146629A (ja) | 1982-02-24 | 1982-02-24 | 土木・建設機械の油圧回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57027522A JPS58146629A (ja) | 1982-02-24 | 1982-02-24 | 土木・建設機械の油圧回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58146629A JPS58146629A (ja) | 1983-09-01 |
JPH0258412B2 true JPH0258412B2 (US20030157376A1-20030821-M00001.png) | 1990-12-07 |
Family
ID=12223451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57027522A Granted JPS58146629A (ja) | 1982-02-24 | 1982-02-24 | 土木・建設機械の油圧回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58146629A (US20030157376A1-20030821-M00001.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6233950A (ja) * | 1985-08-06 | 1987-02-13 | Hitachi Constr Mach Co Ltd | 油圧機械の油圧回路 |
JPS6255665U (US20030157376A1-20030821-M00001.png) * | 1985-09-25 | 1987-04-07 | ||
KR102571079B1 (ko) | 2016-09-06 | 2023-09-06 | 에이치디현대인프라코어 주식회사 | 굴삭기의 메인 컨트롤 밸브 제어 방법 및 이를 수행하기 위한 장치 |
-
1982
- 1982-02-24 JP JP57027522A patent/JPS58146629A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58146629A (ja) | 1983-09-01 |