JPS6244995U

JPS6244995U -

Info

Publication number: JPS6244995U
Application number: JP13607585U
Authority: JP
Priority date: 1985-09-05
Filing date: 1985-09-05
Publication date: 1987-03-18

Description

[Brief explanation of the drawing]

第１図は本考案に関する削進用ケーシング管の
実施の一例を示す一部を切り欠いた半断面図。第
２図は同上における内管に設けた継ぎ手用の噛み
合い凹凸の形成状態を示す斜視図。第３図は同上
における内管の着脱継ぎ手の一例を示す一部分の
半断面図。第４図は同上継ぎ手の他の例を示す一
部分の半断面図。第５図は同上継ぎ手の更に他の
例を示す一部分の半断面図。第６図及び第７図は
同上継ぎ手の止め部材を示す断面図。第８図は第
７図の止め部材を案内環を切除して示す正面図。
第９図及び第１０図はケーシング管の先端に結合
した先導管を示す正面図で、第９図は方向修正用
の傾斜部を有する非回転削進用を、第１０図は岩
盤の切削刃を有する回転削進用を示す。第１１図
は削進機によつてケーシング管を圧入する状態を
示す部分を切り欠いた半断面図。第１２図は従来
のケーシング管とその圧入する状態を示す一部分
を切り欠いた半断面図である。図中１は外管、３は内管、Ｂは着脱継ぎ手、１
４は先導管である。 FIG. 1 is a partially cutaway half-sectional view showing an example of the implementation of a casing pipe for cutting according to the present invention. FIG. 2 is a perspective view showing the state of formation of interlocking projections and recesses for a joint provided on the inner tube in the same as above. FIG. 3 is a partial half-sectional view showing an example of the attachment/detachment joint of the inner tube in the same as above. FIG. 4 is a partial half-sectional view showing another example of the above joint. FIG. 5 is a partial half-sectional view showing still another example of the above joint. FIG. 6 and FIG. 7 are sectional views showing a stop member of the same joint. FIG. 8 is a front view showing the stop member of FIG. 7 with the guide ring removed.
Figures 9 and 10 are front views showing the leading pipe connected to the tip of the casing pipe, Figure 9 is for non-rotating cutting with an inclined part for direction correction, and Figure 10 is for cutting the rock. Indicates a rotary milling application with . FIG. 11 is a partially cutaway half-sectional view showing a state in which a casing pipe is press-fitted by a cutting machine. FIG. 12 is a partially cutaway half-sectional view showing a conventional casing pipe and its press-fitted state. In the figure, 1 is the outer pipe, 3 is the inner pipe, B is the detachable joint, 1
4 is a leading pipe.

Claims

[Scope of utility model registration request]

An outer pipe that is sequentially joined by welding or the like and inserted into the ground, an inner pipe that is rotatably housed inside the outer pipe and sequentially joined by a detachable joint, and attached to the tips of the outer pipe and the inner pipe. A casing pipe for cutting, characterized in that it is equipped with a lead pipe.