Title:
杭打機
Document Type and Number:
Japanese Patent JP7432420
Kind Code:
B2
Abstract:
To provide a pile driver provided with a leader support structure capable of realizing safe and smooth transportation when moving at a site.SOLUTION: A leader placed on a front part of a base machine comprises a plurality of flange connection parts detachably connecting a plurality of leader members to each other and fastening to each other connection flanges 28a of upper second leader members 27 vertically adjacent to each other. A leader ladder 21 is provided with: a plurality of ladder members 21a vertically and successively arranged on a side surface of the leader in a state where the plurality of leader members are connected; and a pair of flange projecting end parts 36 arranged in both of vertical and lateral direction and projected by predetermined projecting lengths at flange end parts 28b of the connected flange on a rear surface side of the leader member, wherein a flange gap C1 is arranged between a reference flat surface S in contact with each of the flange projecting end parts 36 and the flange end parts 28b, and a ladder gap C2 is arranged between the ladder members 21a and the reference flat surface S.SELECTED DRAWING: Figure 2
More Like This:
| JP7423729 | Construction position guidance system |
| JP2015229867 | PILE DRIVER |
| JP4824678 | Equipment and methods for installing building components |
Inventors:
Hiroyuki Makino
Takaaki Isogai
Takaaki Isogai
Application Number:
JP2020057852A
Publication Date:
February 16, 2024
Filing Date:
March 27, 2020
Export Citation:
Assignee:
Nippon Vehicle Manufacturing Co., Ltd.
International Classes:
E02D7/14; E02D7/16
Domestic Patent References:
| JP2015129376A | ||||
| JP2007217953A | ||||
| JP2019027046A | ||||
| JP2000226848A |
Foreign References:
| KR1020140030084A |
Attorney, Agent or Firm:
Yoshihiko Kido
Kazuhiko Kido
Kazuhiko Kido