Auger drill machine drill utensil fishing device
The utility model discloses an auger drill machine drill utensil fishing device, it includes first wedge, second wedge and spring, and first wedge, second wedge are cylindricly, and a terminal surfaceis the plane, and another terminal surface is the inclined plane, and the spring both ends are conne...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an auger drill machine drill utensil fishing device, it includes first wedge, second wedge and spring, and first wedge, second wedge are cylindricly, and a terminal surfaceis the plane, and another terminal surface is the inclined plane, and the spring both ends are connected with the cylindrical boss that the plane terminal surface of first wedge, second wedge was equipped with respectively, have offered the pinhole on first wedge, the second wedge. The utility model discloses the operation of being convenient for, it is high to salvage the success rate, and high-efficient quick salvage drilling tool can not lead to the fact destruction to the precision of the fitting surface of equipment own simultaneously in the time of can be in mud or other not visual environment are fallen into to auger drill machine drill utensil, can not lead to the fact the damage to equipment and drilling tool, can one -offly salvage out and can not lead to the fact too big influence to subsequent constru |
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