JPH0235121A - パイロット操作方式の油圧ショベル用油圧回路 - Google Patents
パイロット操作方式の油圧ショベル用油圧回路Info
- Publication number
- JPH0235121A JPH0235121A JP14031189A JP14031189A JPH0235121A JP H0235121 A JPH0235121 A JP H0235121A JP 14031189 A JP14031189 A JP 14031189A JP 14031189 A JP14031189 A JP 14031189A JP H0235121 A JPH0235121 A JP H0235121A
- Authority
- JP
- Japan
- Prior art keywords
- pilot
- operating
- valves
- directional
- 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.)
- Granted
Links
- 238000011017 operating method Methods 0.000 abstract description 26
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 239000004744 fabric Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000007935 neutral effect 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
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)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14031189A JPH0235121A (ja) | 1989-06-02 | 1989-06-02 | パイロット操作方式の油圧ショベル用油圧回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14031189A JPH0235121A (ja) | 1989-06-02 | 1989-06-02 | パイロット操作方式の油圧ショベル用油圧回路 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2268684A Division JPS60168904A (ja) | 1984-02-09 | 1984-02-09 | パイロット操作方式の油圧ショベル用油圧回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0235121A true JPH0235121A (ja) | 1990-02-05 |
| JPH0333860B2 JPH0333860B2 (tr) | 1991-05-20 |
Family
ID=15265847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14031189A Granted JPH0235121A (ja) | 1989-06-02 | 1989-06-02 | パイロット操作方式の油圧ショベル用油圧回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235121A (tr) |
-
1989
- 1989-06-02 JP JP14031189A patent/JPH0235121A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0333860B2 (tr) | 1991-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20010033699A (ko) | 작업기계에 있어서의 유압제어장치 | |
| JPH0361811B2 (tr) | ||
| JP3775687B2 (ja) | ３関節型掘削機の操作制御装置 | |
| JPH0336334A (ja) | 油圧式掘削機の操作パターン変換モニタ装置 | |
| JPH0332660B2 (tr) | ||
| JPH0235120A (ja) | パイロット操作方式の油圧ショベル用油圧回路 | |
| JPH0235123A (ja) | パイロット操作方式の油圧ショベル用油圧回路 | |
| JP3779825B2 (ja) | 油圧式走行車両の走行操作装置 | |
| JPH0235122A (ja) | パイロット操作方式の油圧ショベル用油圧回路 | |
| AU720849B2 (en) | Multifunction valve stack | |
| JPH0235124A (ja) | パイロット操作方式の油圧ショベル用油圧回路 | |
| JP2001262616A (ja) | 建設機械の切換弁配置構造 | |
| JPH0333862B2 (tr) | ||
| JPH0333860B2 (tr) | ||
| JPH05222745A (ja) | 建設機械の自動制御装置 | |
| JP2619128B2 (ja) | バックホウの油圧回路構造 | |
| JP2000145713A (ja) | 作業機械における吊り作業制御方法、その装置および作業機械 | |
| JPH09156875A (ja) | 建設機械の油圧制御装置 | |
| JPH1037232A (ja) | ２ピースブーム型作業機の操作駆動装置 | |
| US20240327174A1 (en) | Mobile equipment | |
| JP2619117B2 (ja) | バックホウの油圧回路構造 | |
| JPH085362Y2 (ja) | ４方向切換バルブ | |
| JPH0995966A (ja) | ２ピースブーム式建設作業機械 | |
| SU763539A1 (ru) | Система сервоуправлени гидроприводом экскаватора | |
| JP2619115B2 (ja) | バックホウの油圧回路構造 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |