Improved pile driver

The utility model discloses an improved pile driver which comprises a frame, moving devices arranged at the four corners of the bottom of the frame, a push-pull handrail arranged on one side of the top of the frame, a plurality of connecting rods arranged between transverse rods on the top of the frame, a compression device connected to the tops of the connecting rods, a motor mounting frame connected to the bottoms of the connecting rods, and a rotating motor mounted on the motor mounting frame. A gear is mounted on a rotating shaft of the rotating motor; a piling rod mounting frame is connected into the frame, a piling rod is arranged on the piling rod mounting frame, the top of the piling rod is connected to the bottom of the compression device, a steel bar sleeve is connected to the bottom of the piling rod, a plurality of toothed plates matched with the gear to work are arranged in the middle of the piling rod, and a distribution box is arranged at the top of the frame. The steel bar piling machine is ea