JPS59150838A - 掘削機の制御機構 - Google Patents
掘削機の制御機構Info
- Publication number
- JPS59150838A JPS59150838A JP2235083A JP2235083A JPS59150838A JP S59150838 A JPS59150838 A JP S59150838A JP 2235083 A JP2235083 A JP 2235083A JP 2235083 A JP2235083 A JP 2235083A JP S59150838 A JPS59150838 A JP S59150838A
- Authority
- JP
- Japan
- Prior art keywords
- base
- solenoid
- circuit
- swivel
- slewing
- 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
- 238000009412 basement excavation Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 244000145845 chattering Species 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 239000002828 fuel tank Substances 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010959 steel 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
- E02F9/08—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°
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 |
---|---|---|---|
JP2235083A JPS59150838A (ja) | 1983-02-12 | 1983-02-12 | 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 |
---|---|---|---|
JP2235083A JPS59150838A (ja) | 1983-02-12 | 1983-02-12 | 掘削機の制御機構 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59150838A true JPS59150838A (ja) | 1984-08-29 |
JPH031446B2 JPH031446B2 (enrdf_load_stackoverflow) | 1991-01-10 |
Family
ID=12080207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2235083A Granted JPS59150838A (ja) | 1983-02-12 | 1983-02-12 | 掘削機の制御機構 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59150838A (enrdf_load_stackoverflow) |
-
1983
- 1983-02-12 JP JP2235083A patent/JPS59150838A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH031446B2 (enrdf_load_stackoverflow) | 1991-01-10 |
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