| 摘要 |
PURPOSE: A pile driver is provided to efficiently drive a sheet pile or steel pipe pile into the ground by shaking the sheet pile or steel pipe pile using a swing unit. CONSTITUTION: A pile driver comprises a swing unit. The swing unit comprises a cart(110), an outrigger unit, a hydraulic cylinder(130) for swing, a first hydraulic pressure supply unit, a gripper unit(150), and a second hydraulic pressure supply unit. The outrigger unit is fixed to each corner of the cart and securely supports the cart. The hydraulic cylinder is installed on the top of the cart. The first hydraulic pressure supply unit is installed on the top of the cart and supplies hydraulic pressure to the hydraulic cylinder. The gripper unit is installed on the front end of a rod(131) of the hydraulic cylinder and grips a sheet pile(6). The second hydraulic pressure supply unit is installed on the cart and supplies hydraulic pressure to a hydraulic cylinder for grip of the gripper unit. |
