JPS59161528A - 掘削機の制御機構 - Google Patents
掘削機の制御機構Info
- Publication number
- JPS59161528A JPS59161528A JP3544083A JP3544083A JPS59161528A JP S59161528 A JPS59161528 A JP S59161528A JP 3544083 A JP3544083 A JP 3544083A JP 3544083 A JP3544083 A JP 3544083A JP S59161528 A JPS59161528 A JP S59161528A
- Authority
- JP
- Japan
- Prior art keywords
- rotation angle
- circuit
- base
- slewing
- rotation
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract 1
- 238000009412 basement excavation Methods 0.000 description 15
- 244000145845 chattering Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 239000002828 fuel tank Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 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
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
- E02F9/123—Drives or control devices specially adapted therefor
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)
- Shovels (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3544083A JPS59161528A (ja) | 1983-03-04 | 1983-03-04 | 掘削機の制御機構 |
EP84300864A EP0116474B1 (en) | 1983-02-12 | 1984-02-10 | Earth-working machine |
DE8484300864T DE3461666D1 (en) | 1983-02-12 | 1984-02-10 | Earth-working machine |
US06/920,924 US4746264A (en) | 1983-02-12 | 1986-10-16 | Earth-working machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3544083A JPS59161528A (ja) | 1983-03-04 | 1983-03-04 | 掘削機の制御機構 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59161528A true JPS59161528A (ja) | 1984-09-12 |
JPH031447B2 JPH031447B2 (en, 2012) | 1991-01-10 |
Family
ID=12441899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3544083A Granted JPS59161528A (ja) | 1983-02-12 | 1983-03-04 | 掘削機の制御機構 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59161528A (en, 2012) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3971124B2 (ja) | 2001-04-26 | 2007-09-05 | Ykk株式会社 | ボタンの取付力設定方法 |
-
1983
- 1983-03-04 JP JP3544083A patent/JPS59161528A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH031447B2 (en, 2012) | 1991-01-10 |
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