JPS623894U

JPS623894U -

Info

Publication number: JPS623894U
Application number: JP9192385U
Authority: JP
Priority date: 1985-06-18
Filing date: 1985-06-18
Publication date: 1987-01-10

Description

[Brief explanation of the drawing]

第１図は本考案の二段中折れ型のシールド掘進
機の縦断面図、第２図は曲進状態における平面的
に見た縦断面図、第３図は第１図の―線矢視
断面図、第４図は曲進中の全体図、第５図は先行
する二段中折れ型のシールド掘進機の概略図であ
る。１０……シールド掘進機、１１……前胴、１２
……中胴、１３……後胴、１４Ａ，１４Ｂ……連
結ピン、１５……シールドジヤツキ、１６……組
立てセグメント、１７，１７Ａ，１７Ｂ……フロ
ントベンデイングジヤツキ、２０，２０Ａ，２０
Ｂ……リヤベンデイングジヤツキ。 Fig. 1 is a longitudinal cross-sectional view of the two-stage center-folding type shield tunneling machine of the present invention, Fig. 2 is a longitudinal cross-sectional view as seen from a plane in a curved state, and Fig. 3 is a view taken along the line arrow in Fig. 1. A cross-sectional view, FIG. 4 is an overall view of the machine in progress, and FIG. 5 is a schematic diagram of the preceding two-stage, center-fold type shield tunneling machine. 10... Shield excavator, 11... Front torso, 12
... Middle body, 13 ... Rear body, 14A, 14B ... Connection pin, 15 ... Shield jack, 16 ... Assembly segment, 17, 17A, 17B ... Front bending jack, 20, 20A, 20
B... Rear bending jack.

Claims

[Claim for Utility Model Registration] In a shield excavator that consists of a front body, a middle body, and a rear body and can bend in two stages and move forward, the front The torso and middle torso, and the middle torso to the rear torso are connected to each other, and a shield jack is installed that presses the assembled segments in the rear torso and directly applies propulsion to the front torso, so that when the excavator makes a turn, each torso is connected. A shield excavator characterized by being equipped with a front bending jack and a rear bending jack that extend over the front and middle shells, and between the middle and rear shells, respectively, in order to promote bending in the middle.