JPH0218592U

JPH0218592U -

Info

Publication number: JPH0218592U
Application number: JP9507388U
Authority: JP
Priority date: 1988-07-20
Filing date: 1988-07-20
Publication date: 1990-02-07
Anticipated expiration: 2003-07-20
Also published as: JPH0621995Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す縦断正面図
、第２図Ａは第１図のＡ−Ａ線に沿う拡大縦断側
面正面図、同図Ｂは牽引力伝達棒の拡大正面図、
第３図Ａは外装管の製作過程を説明する縦断正面
図、同図Ｂはその平面図、第４，５図は外装管の
受口の変形例を示す縦断正面図、第６図は牽引力
伝達棒の変形例を示す正面図、第７図は別の実施
例を示す縦断正面図、第８図Ａは係合リングの拡
大側面図、同図Ｂはその縦断正面図、第９図Ａは
Ｐ．Ａ．Ｐ工法を示す概略断面図、同図Ｂは牽引
工法を示す概略断面図、第１０図は第９図に示す
工法に使用される従来の新管の一例を示す縦断正
面図である。１……コンクリート外装管、１ａ……受口、１
ｂ……挿口、２……パイプ、３……鉄製管体、５
……外装充填材、７……タツプ穴、８……牽引力
伝達棒、１０……おねじ、１１……係合球部、１
２……係合ケース、１３……係合穴。 Fig. 1 is a longitudinal sectional front view showing an embodiment of this invention, Fig. 2 A is an enlarged longitudinal sectional side elevational view taken along line A-A in Fig. 1, and Fig. 2 B is an enlarged front view of the traction force transmission rod.
Figure 3A is a longitudinal front view explaining the manufacturing process of the armored pipe, Figure B is its plan view, Figures 4 and 5 are longitudinal front views showing modified examples of the socket of the armored pipe, and Figure 6 is the traction force. 7 is a front view showing a modified example of the transmission rod, FIG. 7 is a longitudinal sectional front view showing another embodiment, FIG. 8A is an enlarged side view of the engagement ring, FIG. 9B is a longitudinal sectional front view thereof, and FIG. 9A is is P. A. FIG. 10 is a longitudinal sectional view showing an example of a conventional new pipe used in the construction method shown in FIG. 9. 1... Concrete exterior pipe, 1a... Socket, 1
b...Socket, 2...Pipe, 3...Iron pipe body, 5
... Exterior filling material, 7 ... Tap hole, 8 ... Traction force transmission rod, 10 ... Male thread, 11 ... Engagement ball part, 1
2...Engagement case, 13...Engagement hole.

Claims

[Scope of utility model registration request]

In a pipe for a lead-in construction method, a plurality of armored pipes having approximately the same outer diameter in the axial direction and a smooth outer surface are joined and laid by inserting the tip of the trailing pipe into the rear end of the leading pipe, A plurality of traction force transmission rods are circumferentially connected to connect the rear end surface of the leading pipe and the distal end surface of the trailing pipe to transmit traction force, and one end thereof is attached to a threaded portion provided on the rear end surface or the distal end surface of the sheathing pipe. 1. A pipe for a lead-in construction method, characterized in that the pipe is screwed and fixed, and the other end is movably engaged in an axial and radial direction with an engaging part provided on a front end surface or a rear end surface.