JPS6333559B2 - - Google Patents
Info
- Publication number
- JPS6333559B2 JPS6333559B2 JP57088791A JP8879182A JPS6333559B2 JP S6333559 B2 JPS6333559 B2 JP S6333559B2 JP 57088791 A JP57088791 A JP 57088791A JP 8879182 A JP8879182 A JP 8879182A JP S6333559 B2 JPS6333559 B2 JP S6333559B2
- Authority
- JP
- Japan
- Prior art keywords
- sheave
- depth
- wire rope
- movement
- switches
- 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
- 238000001514 detection method Methods 0.000 claims description 31
- 238000009412 basement excavation Methods 0.000 claims description 14
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000005553 drilling Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 244000145845 chattering Species 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57088791A JPS58207486A (ja) | 1982-05-27 | 1982-05-27 | 竪孔掘削機用深度検出方法およびその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57088791A JPS58207486A (ja) | 1982-05-27 | 1982-05-27 | 竪孔掘削機用深度検出方法およびその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58207486A JPS58207486A (ja) | 1983-12-02 |
| JPS6333559B2 true JPS6333559B2 (enrdf_load_stackoverflow) | 1988-07-06 |
Family
ID=13952662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57088791A Granted JPS58207486A (ja) | 1982-05-27 | 1982-05-27 | 竪孔掘削機用深度検出方法およびその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58207486A (enrdf_load_stackoverflow) |
-
1982
- 1982-05-27 JP JP57088791A patent/JPS58207486A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58207486A (ja) | 1983-12-02 |
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