Grounded probe
The invention relates to a grounded probe suitable for hard geological environment, which comprises a screw drilling rod, a screw drilling head is provided at the lower end of the screw drilling rod, a drilling rod screwing sleeve is sleeved on the screw drilling rod, the drilling rod screwing sleev...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The invention relates to a grounded probe suitable for hard geological environment, which comprises a screw drilling rod, a screw drilling head is provided at the lower end of the screw drilling rod, a drilling rod screwing sleeve is sleeved on the screw drilling rod, the drilling rod screwing sleeve is screwed with the screw drilling rod, a pedal is fixedly connected at the lower part of the drilling rod screwing sleeve, a threaded hole is opened at the upper part of the screw drilling rod, a screw rod is connected with the thread in the threaded hole, and a crank is fixedly connected on the screw rod. |
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