JPH0128174B2 - - Google Patents
Info
- Publication number
- JPH0128174B2 JPH0128174B2 JP56079350A JP7935081A JPH0128174B2 JP H0128174 B2 JPH0128174 B2 JP H0128174B2 JP 56079350 A JP56079350 A JP 56079350A JP 7935081 A JP7935081 A JP 7935081A JP H0128174 B2 JPH0128174 B2 JP H0128174B2
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- switching valve
- right travel
- valve
- switching
- 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
Links
- 239000003921 oil Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7935081A JPS57197333A (en) | 1981-05-27 | 1981-05-27 | Oil-pressure circuit for oil-pressure shovel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7935081A JPS57197333A (en) | 1981-05-27 | 1981-05-27 | Oil-pressure circuit for oil-pressure shovel |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57197333A JPS57197333A (en) | 1982-12-03 |
JPH0128174B2 true JPH0128174B2 (de) | 1989-06-01 |
Family
ID=13687447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7935081A Granted JPS57197333A (en) | 1981-05-27 | 1981-05-27 | Oil-pressure circuit for oil-pressure shovel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57197333A (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61165428A (ja) * | 1985-01-17 | 1986-07-26 | Yutani Juko Kk | 建設機械の油圧回路 |
JPS61165429A (ja) * | 1985-01-17 | 1986-07-26 | Yutani Juko Kk | 建設機械の油圧回路 |
JPH0352275Y2 (de) * | 1985-10-16 | 1991-11-12 | ||
JPS62117923A (ja) * | 1985-11-15 | 1987-05-29 | Kobe Steel Ltd | 建設機械の走行制御回路 |
JPH086354B2 (ja) * | 1989-10-31 | 1996-01-24 | 株式会社小松製作所 | 油圧式掘削機の油圧回路 |
JP5528276B2 (ja) | 2010-09-21 | 2014-06-25 | 株式会社クボタ | 作業機の油圧システム |
CN103597218B (zh) * | 2011-06-09 | 2016-04-06 | 沃尔沃建造设备有限公司 | 用于工程机械的液压系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5323916U (de) * | 1976-08-06 | 1978-02-28 | ||
JPS5437036U (de) * | 1977-08-19 | 1979-03-10 | ||
JPS5437038U (de) * | 1977-08-18 | 1979-03-10 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5152190U (de) * | 1974-10-19 | 1976-04-20 | ||
JPS585734Y2 (ja) * | 1977-11-11 | 1983-01-31 | 株式会社クボタ | バックホウ兼ド−ザ作業車の流体圧回路 |
JPS5830865Y2 (ja) * | 1978-01-12 | 1983-07-07 | 株式会社クボタ | ド−ザ作業車の回路 |
-
1981
- 1981-05-27 JP JP7935081A patent/JPS57197333A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5323916U (de) * | 1976-08-06 | 1978-02-28 | ||
JPS5437038U (de) * | 1977-08-18 | 1979-03-10 | ||
JPS5437036U (de) * | 1977-08-19 | 1979-03-10 |
Also Published As
Publication number | Publication date |
---|---|
JPS57197333A (en) | 1982-12-03 |
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