JPS6238494B2 - - Google Patents
Info
- Publication number
- JPS6238494B2 JPS6238494B2 JP53030309A JP3030978A JPS6238494B2 JP S6238494 B2 JPS6238494 B2 JP S6238494B2 JP 53030309 A JP53030309 A JP 53030309A JP 3030978 A JP3030978 A JP 3030978A JP S6238494 B2 JPS6238494 B2 JP S6238494B2
- Authority
- JP
- Japan
- Prior art keywords
- excavation
- rotation angle
- boom
- arm
- angle
- 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
Links
- 238000009412 basement excavation Methods 0.000 claims description 55
- 238000001514 detection method Methods 0.000 claims 4
- 239000004576 sand Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3030978A JPS54123203A (en) | 1978-03-16 | 1978-03-16 | Excavation controller of oil pressure backkhoe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3030978A JPS54123203A (en) | 1978-03-16 | 1978-03-16 | Excavation controller of oil pressure backkhoe |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54123203A JPS54123203A (en) | 1979-09-25 |
JPS6238494B2 true JPS6238494B2 (nl) | 1987-08-18 |
Family
ID=12300165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3030978A Granted JPS54123203A (en) | 1978-03-16 | 1978-03-16 | Excavation controller of oil pressure backkhoe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54123203A (nl) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49132801A (nl) * | 1973-04-25 | 1974-12-20 | ||
JPS5148503A (en) * | 1974-10-23 | 1976-04-26 | Hitachi Construction Machinery | Kutsusakukino chokusenkutsusakuseigyosochi |
JPS5264105A (en) * | 1975-11-25 | 1977-05-27 | Komatsu Mfg Co Ltd | Automatic excavation controller for power shovel |
-
1978
- 1978-03-16 JP JP3030978A patent/JPS54123203A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49132801A (nl) * | 1973-04-25 | 1974-12-20 | ||
JPS5148503A (en) * | 1974-10-23 | 1976-04-26 | Hitachi Construction Machinery | Kutsusakukino chokusenkutsusakuseigyosochi |
JPS5264105A (en) * | 1975-11-25 | 1977-05-27 | Komatsu Mfg Co Ltd | Automatic excavation controller for power shovel |
Also Published As
Publication number | Publication date |
---|---|
JPS54123203A (en) | 1979-09-25 |
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