JPS59147794U

JPS59147794U - Sealed shield tunneling machine

Info

Publication number: JPS59147794U
Application number: JP2095684U
Authority: JP
Inventors: 勇植田
Original assignee: カヤバ工業株式会社
Priority date: 1984-02-16
Filing date: 1984-02-16
Publication date: 1984-10-02
Also published as: JPS6120153Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は、本考案によるシールド掘進機本体の正面図、
第２図は、第１図の■−■線の縦断正面図、第３図は、
フード部に内装された矢板の一部拡大断面図、第４図は
、中空管５内に内装された　　　　゛スクリューシャフ
トの拡大縦断面図、第５図、第６図は他の実施例を示す
正面図と一部拡断面図゛　である。Figure 1 is a front view of the main body of the shield tunneling machine according to the present invention;
Figure 2 is a longitudinal sectional front view taken along the line ■-■ in Figure 1, and Figure 3 is a
FIG. 4 is a partially enlarged cross-sectional view of the sheet pile installed in the hood part, and FIG. 4 is an enlarged vertical cross-sectional view of the screw shaft installed in the hollow tube 5. FIGS. Fig. 2 shows a front view and a partially enlarged cross-sectional view.

Claims

[Scope of utility model registration request]

A cylindrical shield tunneling machine main body is provided with a shield jack for advancing the main body, and a hood portion is formed in front of the main body, and the hood portion is slidable in the front and rear directions along the entire circumference of the hood portion. Sheet piles were arranged in a row, the tips of these sheet piles were formed sharply, and a propulsion jack for sliding each sheet pile toward the face was attached to the hood part, while the bottom part was opened on the inner surface of the hood part toward the machine side. At least one hopper-shaped partition wall is constructed, a hollow pipe with a dirt discharge port at the rear is connected watertightly to the bottom opening of this partition wall, and a screw shaft whose tip protrudes into the face is inserted into the hollow pipe. 1. A sealed shield excavator, characterized in that the excavator is equipped with a shutoff valve for opening and closing the earth and sand discharge port.