Title:
PILE DRIVER
Document Type and Number:
Japanese Patent JP2016151167
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a pile driver capable of reducing weight of the same.SOLUTION: A pile driver comprises: a carrier; a vehicle body disposed on the carrier; and a pile driving machine 50, which is connected to a vehicle frame 31 of the vehicle body. The pile driving machine 50 comprises: a link 54, which is connected to the vehicle frame 31 through spherical bearing; a swing cylinder 55, whose one end is connected to the vehicle frame 31 through the spherical bearing 57 and whose other end is connected to the link 54; a leader 51, which has fulcrum positions P1, P2 arranged on the right and left and is connected to the vehicle frame 31 through the spherical bearing 58 at the fulcrum position P1 and to the link 54 through the spherical bearing 59 at the fulcrum position P2; a back-stay cylinder, whose one end is connected to the vehicle frame 31 through the spherical bearing and whose other end is connected to the leader 51 through the spherical bearing; and a driving device, which is supported by the leader 51.SELECTED DRAWING: Figure 9
Inventors:
OMOTERA KAZUMASA
Application Number:
JP2015030831A
Publication Date:
August 22, 2016
Filing Date:
February 19, 2015
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY
International Classes:
E02D7/06; E21B15/00
Attorney, Agent or Firm:
Kaichi International Patent Office
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