JPS637424A - 建設機械の油圧回路 - Google Patents
建設機械の油圧回路Info
- Publication number
- JPS637424A JPS637424A JP61150989A JP15098986A JPS637424A JP S637424 A JPS637424 A JP S637424A JP 61150989 A JP61150989 A JP 61150989A JP 15098986 A JP15098986 A JP 15098986A JP S637424 A JPS637424 A JP S637424A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valves
- oil
- pump
- actuators
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims description 20
- 238000004891 communication Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 76
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002689 soil Substances 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
- E02F9/2221—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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61150989A JPS637424A (ja) | 1986-06-26 | 1986-06-26 | 建設機械の油圧回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61150989A JPS637424A (ja) | 1986-06-26 | 1986-06-26 | 建設機械の油圧回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS637424A true JPS637424A (ja) | 1988-01-13 |
JPH0464377B2 JPH0464377B2 (US20050271598A1-20051208-C00001.png) | 1992-10-14 |
Family
ID=15508852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61150989A Granted JPS637424A (ja) | 1986-06-26 | 1986-06-26 | 建設機械の油圧回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS637424A (US20050271598A1-20051208-C00001.png) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0452603U (US20050271598A1-20051208-C00001.png) * | 1990-09-13 | 1992-05-06 | ||
CN102575691A (zh) * | 2009-09-02 | 2012-07-11 | 日立建机株式会社 | 液压作业机的液压驱动装置 |
-
1986
- 1986-06-26 JP JP61150989A patent/JPS637424A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0452603U (US20050271598A1-20051208-C00001.png) * | 1990-09-13 | 1992-05-06 | ||
CN102575691A (zh) * | 2009-09-02 | 2012-07-11 | 日立建机株式会社 | 液压作业机的液压驱动装置 |
CN102575691B (zh) * | 2009-09-02 | 2015-06-10 | 日立建机株式会社 | 液压作业机的液压驱动装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0464377B2 (US20050271598A1-20051208-C00001.png) | 1992-10-14 |
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