Title:
TUBING DEVICE
Document Type and Number:
Japanese Patent JP2022028219
Kind Code:
A
Abstract:
To provide a tubing device equipped with a reaction guide capable of ensuring safety and efficiency of pile construction by limiting arrangement replacement to a minimum.SOLUTION: A base frame 13 of this tubing device is provided with a plurality of reaction guides 29 engaged with a rail 12 to obtain reaction to an operation given to a cylindrical body. Each reaction guide 29 comprises a base member 30 attached to the side surface of the base frame 13, an engaging claw 32 attached to the base member by means of a connection arm 31, a swing shaft 33 that connects the base member 30 and the connection arm 31 and swings the engaging claw inside and outside with a vertical surface S passing through the side surface of the base frame 13 as a boundary, and swing locking means 34 for holding the engaging claw on one of the inside and the outside of the vertical surface S. The base member 30 comprises an attachment surface 30c opposite to the side surface of the base frame 13, and the lower end of the attachment surface 30c is positioned below the lower end of a track wheel 14.SELECTED DRAWING: Figure 5
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Inventors:
TAKAYAMA KOJI
Application Number:
JP2020131509A
Publication Date:
February 16, 2022
Filing Date:
August 03, 2020
Export Citation:
Assignee:
NIPPON SHARYO SEIZO KK
International Classes:
E02D7/00
Attorney, Agent or Firm:
Yoshihiko Kido
Kido Kazuhiko
Kido Kazuhiko