| 摘要 |
<p>Disclosed is a hydrostatic pile driver of full-stroke hole guiding at pile centre, comprising a pile driving mechanism and a hole drilling device (2) both provided on the hydrostatic pile driver (1). The pile driving mechanism comprises a pile-driving platform (14) provided on the hydrostatic pile driver (1), a pile-clamping box provided on the pile-driving platform (14) and a pile-driving oil cylinder provided on the pile-clamping box. The hole drilling device (2) comprises a mast (3), a drilling rod, a power head (6) and a pick-up and clamping mechanism. The mast (3) is fitted on a platform of the body of the hydrostatic pile driver (1) via a base (11), the drilling rod is fitted on the mast (3) via the pick-up and clamping mechanism, the drilling rod is fixedly connected to the power head (6) and clamped by the power head (6) and the pick-up and clamping mechanism while sliding vertically along the mast (3), and the power head (6), the pick-up and clamping mechanism and the pile-clamping box are coaxial.</p> |
