Title:
VIBRATORY PILE DRIVER
Document Type and Number:
WIPO Patent Application WO/2018/139851
Kind Code:
A1
Abstract:
A vibratory pile driver of the present invention comprises: an inner vibration body part having a hollow part into which a pile is inserted; a middle body part which surrounds the outer circumferential surface of the inner vibration body part and is supported by a vibration supporting unit such that an inner vibration body can vibrate; a bearing unit, which is installed between the middle body part and an outer body part, for rotatably supporting the middle body part with respect to the outer body part; a pile clamp unit, which is installed on the bottom of the inner vibration body part, for clamping the pile inserted into the hollow part; a vibration generating unit, which is installed on the bottom of the inner vibration body part, for providing a vibrating force for hammering or withdrawing the pile; a first rotational drive part, which is installed between the middle body part and the outer body part, for enabling the middle body part to rotate or reverse-rotate with respect to the outer body part; a coupling unit which is installed on the outer body part and rotates by means of a bucket hydraulic cylinder installed on a boom of an excavator; and a second rotational drive part, which is installed on the coupling unit and the outer body part, for rotating the outer body part with respect to the coupling unit.
Inventors:
PARK JEONG YEL (KR)
Application Number:
PCT/KR2018/001065
Publication Date:
August 02, 2018
Filing Date:
January 24, 2018
Export Citation:
Assignee:
DAEDONG ENG CO LTD (KR)
International Classes:
E02D7/18; E02F3/96; E02F9/22
Foreign References:
| JP2010255390A | 2010-11-11 | |||
| JPH0782743A | 1995-03-28 | |||
| JP2011226102A | 2011-11-10 | |||
| JPH0657746A | 1994-03-01 | |||
| JPH06136751A | 1994-05-17 |
Attorney, Agent or Firm:
LEE, Jea Ryang (KR)
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