FIELD: construction.
SUBSTANCE: device for erection of drilled pile consists of metal frame, roller with cone rolls, hollow drill column with tip, roller is rigidly connected to metal frame. Upper part of roller is shaped as truncated cone, generatrix of which is arranged in the form of second order curve. Tip is rigidly connected to hollow drill column and is arranged on its lower end. Reinforced bars of metal frame are rigidly connected to mount rings.
EFFECT: invention provides for the possibility to erect drilled pipe, also with application of small drilling equipment in constrained conditions.
4 cl, 3 dwg
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