| 摘要 |
According to the present invention, a vibration hammer comprises: a main body; a piston housing installed to be lifted by a hydraulic pressure control valve unit installed in the main body; a main cylinder unit installed between the piston housing and the main body to lift the piston housing; a piston neutral unit maintaining a neutral state of the piston; a hammer guide installed to be slid in the main body coaxially with the piston housing in the main body; and a piston of which both end parts are fixated to the piston housing and the hammer guide and elastically deformed by a predetermined angle with respect to a lifting direction of the piston housing. |
