JPS6329079B2 - - Google Patents
Info
- Publication number
- JPS6329079B2 JPS6329079B2 JP57088790A JP8879082A JPS6329079B2 JP S6329079 B2 JPS6329079 B2 JP S6329079B2 JP 57088790 A JP57088790 A JP 57088790A JP 8879082 A JP8879082 A JP 8879082A JP S6329079 B2 JPS6329079 B2 JP S6329079B2
- Authority
- JP
- Japan
- Prior art keywords
- depth
- switch
- sheave
- wire rope
- bracket
- 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
- 238000005553 drilling Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 15
- 238000013459 approach Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 description 11
- 238000007792 addition Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 244000145845 chattering Species 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- YAHRDLICUYEDAU-UHFFFAOYSA-N methylhexaneamine Chemical compound CCC(C)CC(C)N YAHRDLICUYEDAU-UHFFFAOYSA-N 0.000 description 1
- 229950000752 methylhexaneamine Drugs 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000035939 shock 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 |
---|---|---|---|
JP57088790A JPS58207485A (ja) | 1982-05-27 | 1982-05-27 | 竪孔掘削機用深度検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57088790A JPS58207485A (ja) | 1982-05-27 | 1982-05-27 | 竪孔掘削機用深度検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58207485A JPS58207485A (ja) | 1983-12-02 |
JPS6329079B2 true JPS6329079B2 (cs) | 1988-06-10 |
Family
ID=13952632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57088790A Granted JPS58207485A (ja) | 1982-05-27 | 1982-05-27 | 竪孔掘削機用深度検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58207485A (cs) |
-
1982
- 1982-05-27 JP JP57088790A patent/JPS58207485A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58207485A (ja) | 1983-12-02 |
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