Drill hole peeping instrument pushing device
The utility model discloses a drilling peeping instrument pushing device, and relates to the technical field of coal mining, the drilling peeping instrument pushing device comprises a probe fixer and a pushing rod, the probe fixer and the pushing rod are both hollow structures, the probe fixer is fi...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a drilling peeping instrument pushing device, and relates to the technical field of coal mining, the drilling peeping instrument pushing device comprises a probe fixer and a pushing rod, the probe fixer and the pushing rod are both hollow structures, the probe fixer is fixedly connected to one end of the pushing rod and is communicated with the pushing rod, and a peeping instrument probe can be installed in the probe fixer. The drilling peeping instrument has the advantages that the probe is centered in the pushing process of the drilling peeping instrument, and friction between the probe and the hole wall in the pushing process is avoided; the pushing rod does not need to be rotated for many times in the peeping process, peeping time is shortened, and efficiency is improved; the total sectional area of the pushing rod and the transmission line is reduced, so that the device can push the drill hole smoothly; friction between the transmission line and the drilling wall is avoided, i |
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