JPH0329931B2 - - Google Patents
Info
- Publication number
- JPH0329931B2 JPH0329931B2 JP16936883A JP16936883A JPH0329931B2 JP H0329931 B2 JPH0329931 B2 JP H0329931B2 JP 16936883 A JP16936883 A JP 16936883A JP 16936883 A JP16936883 A JP 16936883A JP H0329931 B2 JPH0329931 B2 JP H0329931B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- valve
- hydraulic
- cylinder
- boom
- 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
- 238000010586 diagram Methods 0.000 description 7
- 238000009412 basement excavation Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004576 sand 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
- E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
Landscapes
- Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Jib Cranes (AREA)
- Operation Control Of Excavators (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16936883A JPS6062341A (ja) | 1983-09-16 | 1983-09-16 | クレ−ン兼用の油圧シヨベルの油圧回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16936883A JPS6062341A (ja) | 1983-09-16 | 1983-09-16 | クレ−ン兼用の油圧シヨベルの油圧回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6062341A JPS6062341A (ja) | 1985-04-10 |
| JPH0329931B2 true JPH0329931B2 (enrdf_load_html_response) | 1991-04-25 |
Family
ID=15885287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16936883A Granted JPS6062341A (ja) | 1983-09-16 | 1983-09-16 | クレ−ン兼用の油圧シヨベルの油圧回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6062341A (enrdf_load_html_response) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2851592B1 (fr) * | 2003-02-21 | 2005-04-15 | Hydrokit | Chargeur frontal pour vehicule de travaux publics ou agricoles et vehicule equipe d'un tel chargeur |
| JP6982517B2 (ja) * | 2018-02-27 | 2021-12-17 | Kyb−Ys株式会社 | 流体圧制御装置 |
-
1983
- 1983-09-16 JP JP16936883A patent/JPS6062341A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6062341A (ja) | 1985-04-10 |
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