JPH0552380B2 - - Google Patents
Info
- Publication number
- JPH0552380B2 JPH0552380B2 JP9842587A JP9842587A JPH0552380B2 JP H0552380 B2 JPH0552380 B2 JP H0552380B2 JP 9842587 A JP9842587 A JP 9842587A JP 9842587 A JP9842587 A JP 9842587A JP H0552380 B2 JPH0552380 B2 JP H0552380B2
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- switching valve
- working device
- pressure
- valve
- 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
- 239000003921 oil Substances 0.000 claims description 29
- 238000010276 construction Methods 0.000 claims description 13
- 230000001629 suppression Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000725 suspension 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
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
- E02F9/2207—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations
-
- 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
- E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9842587A JPS63265026A (ja) | 1987-04-20 | 1987-04-20 | 車輪式建設機械の自動振動抑制装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9842587A JPS63265026A (ja) | 1987-04-20 | 1987-04-20 | 車輪式建設機械の自動振動抑制装置 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1196210A Division JPH0672447B2 (ja) | 1989-07-27 | 1989-07-27 | 車輪式建設機械の自動振動抑制装置 |
| JP19621189A Division JPH0280721A (ja) | 1989-07-27 | 1989-07-27 | 車輪式建設機械の自動振動抑制装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63265026A JPS63265026A (ja) | 1988-11-01 |
| JPH0552380B2 true JPH0552380B2 (US07541385-20090602-C00001.png) | 1993-08-05 |
Family
ID=14219455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9842587A Granted JPS63265026A (ja) | 1987-04-20 | 1987-04-20 | 車輪式建設機械の自動振動抑制装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63265026A (US07541385-20090602-C00001.png) |
-
1987
- 1987-04-20 JP JP9842587A patent/JPS63265026A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63265026A (ja) | 1988-11-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20070805 Year of fee payment: 14 |