Title:
ボーリング装置の位置決め装置
Document Type and Number:
Japanese Patent JP6654452
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a positioning device of boring equipment in which a horizontal position of a guide tube can satisfactorily be adjusted even if a pore wall of a dry moat hole is fragile or not smooth.SOLUTION: Check boring equipment 100 includes: a cylindrical guide tube 20 which is positioned in a dry moat hole A, with a casing pipe 11 of a boring device body 10 inserted in the inside; guide tube regulation means 30 positioned outside from the outer circumference of the guide tube 20, and regulating the guide tube; guide tube holding means 40 plurally provided in the guide tube regulation means 30, expanded when a fluid flows into an inner space, and capable of holding the guide tube regulation means 30 in the dry moat hole A; and fluid volume adjustment means 50 for adjusting the volume of the fluid existing in the inner space of each guide tube holding means 40.SELECTED DRAWING: Figure 1
Inventors:
Katsuhisa Teraguchi
Kazuhiro Kano
Mitsuo Joii
Koichi Hiura
Kazuhiro Kano
Mitsuo Joii
Koichi Hiura
Application Number:
JP2016020230A
Publication Date:
February 26, 2020
Filing Date:
February 04, 2016
Export Citation:
Assignee:
Okumura Gumi Co., Ltd.
International Classes:
E21B23/06; E21B15/00; E21B25/00
Domestic Patent References:
| JP2009235810A | ||||
| JP9041869A | ||||
| JP2003097172A | ||||
| JP11193683A | ||||
| JP51068401A | ||||
| JP49065001U | ||||
| JP2058690A |
Foreign References:
| US20160348438 |
Attorney, Agent or Firm:
Creation International Patent Office