JPS6139480B2 - - Google Patents
Info
- Publication number
- JPS6139480B2 JPS6139480B2 JP9428278A JP9428278A JPS6139480B2 JP S6139480 B2 JPS6139480 B2 JP S6139480B2 JP 9428278 A JP9428278 A JP 9428278A JP 9428278 A JP9428278 A JP 9428278A JP S6139480 B2 JPS6139480 B2 JP S6139480B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder device
- cutter frame
- cutter
- solenoid valve
- relay
- 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
- 230000007935 neutral effect Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9428278A JPS5520886A (en) | 1978-08-01 | 1978-08-01 | Method of controlling cutter of shielded excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9428278A JPS5520886A (en) | 1978-08-01 | 1978-08-01 | Method of controlling cutter of shielded excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5520886A JPS5520886A (en) | 1980-02-14 |
| JPS6139480B2 true JPS6139480B2 (enrdf_load_stackoverflow) | 1986-09-04 |
Family
ID=14105894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9428278A Granted JPS5520886A (en) | 1978-08-01 | 1978-08-01 | Method of controlling cutter of shielded excavator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5520886A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57133998A (en) * | 1981-02-13 | 1982-08-18 | Hitachi Construction Machinery | Monitor/controller for shielded excavator |
| JPS6149099A (ja) * | 1984-08-13 | 1986-03-10 | 三井建設株式会社 | 楕円シ−ルド掘削機 |
| JPS63109233U (enrdf_load_stackoverflow) * | 1987-01-09 | 1988-07-14 | ||
| JPH0367233U (enrdf_load_stackoverflow) * | 1989-11-07 | 1991-07-01 |
-
1978
- 1978-08-01 JP JP9428278A patent/JPS5520886A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5520886A (en) | 1980-02-14 |
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