JPS6132300U

JPS6132300U - Segment roundness holding device

Info

Publication number: JPS6132300U
Application number: JP11469384U
Authority: JP
Inventors: 幸男藤本; 哲史本多
Original assignee: 石川島播磨重工業株式会社
Priority date: 1984-07-27
Filing date: 1984-07-27
Publication date: 1986-02-26

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図ないし第３図は本考案の一実施例を示すもので第
１図は第２図のＩ−Ｉ線における縦断正面図、第２図は
第１図の縦断側面図、第３図は第２図の■一■線におけ
る平面図、第４図は従来装置の縦断側面図である。図中、１はシールド掘進機本体、２は作業台、３はセグ
メント、４は溝、５は水平面、７はサイドローラーガイ
ド、８は支柱外筒、１０はスライドローラー、１１はサ
イドローラー、１２はスライドジャッキ、１３は上部支
柱内筒、１４は下部支柱内筒、１５はジャッキ、１６は
上部グリッパーシュー、１７は下部グリッパーシューを
示す。Figures 1 to 3 show one embodiment of the present invention, in which Figure 1 is a longitudinal sectional front view taken along line I-I in Figure 2, Figure 2 is a longitudinal sectional side view of Figure 1, and Figure 3 is a longitudinal sectional front view taken along line I-I in Figure 2. 2 is a plan view taken along line 1 and 2 in FIG. 2, and FIG. 4 is a longitudinal sectional side view of the conventional device. In the figure, 1 is the shield excavator main body, 2 is the workbench, 3 is the segment, 4 is the groove, 5 is the horizontal surface, 7 is the side roller guide, 8 is the column outer cylinder, 10 is the slide roller, 11 is the side roller, 12 13 is a slide jack, 13 is an upper support inner cylinder, 14 is a lower support inner cylinder, 15 is a jack, 16 is an upper gripper shoe, and 17 is a lower gripper shoe.

Claims

[Scope of utility model registration request]

A workbench installed horizontally at the rear of the shield tunneling machine main body, a vertical column outer tube located on both sides of the workbench, and a side that is attached to the column outer tube and rolls along the side roller guide. a roller, a slide roller that is attached to the support outer cylinder and rolls on a hollow horizontal surface within the workbench, an upper support inner cylinder that is slidably fitted from above the support support outer cylinder, and the support support outer cylinder. a lower support inner cylinder slidably fitted from below, a jack provided inside the support outer cylinder and connected at both ends to the upper support inner cylinder and the lower support inner cylinder, and both sides of the workbench. an upper gripper shoe fixed to the upper end of the upper inner column of the upper column and pressed against the upper inner surface of the segment assembled in a circular shape; A device for holding a segment in a perfect circle, comprising: a lower gripper shoe that is fixed to a lower end of a column inner cylinder and presses against a lower inner surface of the segment assembled in a circular shape.