Umbrella drill that pitshaft driving used

The utility model discloses an umbrella drill that pitshaft driving used belongs to mine well drilling field. Including the propeller, before including, holds up by the propeller borer ware, before hold up the borer ware to include the base, the clamping part of setting on the base, the clamping par...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LU XINJING, XIONG JIANQING, HUANG XIDING, LI HONGLIANG, ZHANG CHUNSHENG, YANG ENWEN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model discloses an umbrella drill that pitshaft driving used belongs to mine well drilling field. Including the propeller, before including, holds up by the propeller borer ware, before hold up the borer ware to include the base, the clamping part of setting on the base, the clamping part includes two criss -cross supporting rods, the pneumatic cylinder, the hydraulic stem of being connected with the pneumatic cylinder, fix two supporting rods on the base through first bolt two criss -cross parts of supporting rod, and two supporting rods can wind first bolt relative rotation, that one end that the base was kept away from to two supporting rods is the arc, and enclose and establish the fixed orifices that becomes fixed drill rod, the hydraulic stem welds with the one end that the fixed orifices was kept away from to one of them supporting rod, the pneumatic cylinder welds with the one end that the fixed orifices was kept away from to another supporting rod, along with stretching out and drawing ba