House building construction foundation pile drilling device

The utility model relates to the technical field of foundation pile drilling, and discloses a house building construction foundation pile drilling device which comprises an adjusting rod installed on a bottom plate, the top of the bottom plate is provided with an arc-shaped groove capable of being connected with a clamping block in a clamping mode, and the outer surface of the clamping block is fixedly connected with a protective shell capable of preventing stones from splashing. Sound insulation cotton capable of reducing noise is fixedly connected to the inner wall of the protective shell, a base with a supporting function is clamped to the bottom of the adjusting rod, and a supporting rod capable of being supported is fixedly connected to the top of the bottom plate. According to the house building construction foundation pile drilling device, through cooperative arrangement of a bottom plate, an arc-shaped groove, a clamping block, a protective shell and sound insulation cotton, an operator can clamp the