Pile driving apparatus

Details Pile driving apparatus Pile driving apparatus

E - Fixed Constructions

21

B

61/87

E21B 1/00 (2006.01)

Patent

CA 1339457

A pile driving apparatus comprises a base frame having a platform for supporting ballast. The base frame is equipped with a levelling device. The pile driving apparatus comprises a column positioned perpendicular with respect to the base frame and supported by steel supports. At the top of the column is provided a lifting point. A pile loading device consists of a cradle arm which is pivotally mounted to the base frame at the lower end of the column. A hydraulic jack is operative for moving the cradle arm for loading piles onto the device. A hydraulic piston bears a load onto a jack thrust plate, which plate is connected to a transmission plate by means of a shaped plate. The higher end of the transmission plate is ridgedly connected to a pile thrust plate means of another shape. The column is provided with an elongate slit so that when the hydraulic piston edges downwardly against the thrust plate correspondingly downward thrust is applied to the transmission plate. This enables piles having a length substantially the same as the column to be driven into the ground. The base frame levelling device comprises levelling jacks operative to adjust the back frame so that the pile can be positioned substantially level.

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