JPS59167895U

JPS59167895U - shield tunneling machine

Info

Publication number: JPS59167895U
Application number: JP6185583U
Authority: JP
Inventors: 萩本　博美; 豊加島; 紀夫近藤; 井上　正己
Original assignee: 大豊建設株式会社
Priority date: 1983-04-25
Filing date: 1983-04-25
Publication date: 1984-11-10
Also published as: JPS6141839Y2

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図は従来のシールド掘進機を示すもの
で、第１図は要部の縦断面図、第２図は回転掘削具の正
面図、第３図は動作時における第′　２図のＡ−Ａ拡大
断面図、第４図ないし第８図は本考案の第１実施例を示
しており、第４図は要部の縦断面図、第５図は回転掘削
具の正面図、第６図は動作時における第５図のＢ−Ｂ拡
大断面図、第７図および第８図は夫々掘削刃の他の実施
例を示す斜視図、第９図は本考案の第２実施例を示す回
転掘削具の正面図、第１０図および第１１図は本考案の
第３実施例を示すもので、第１０図は回転掘削具の正面
図、第１１図は動作時における第１０図のＤ−Ｄ拡大断
面図である。Ｃ，Ｃｓ、　Ｃ２・・・・・・回転掘削具、４・・・・
・・回転駆動軸、５・・・・・・カッターウィング、６
・・・・・・掘削刃、６ａ、　６ａ１．６ａ２−−−−
−−超硬チップ、６ｂ、　６ｂｉ。６ｂ２・・・・・・母材。Figures 1 to 3 show a conventional shield excavator, in which Figure 1 is a vertical cross-sectional view of the main parts, Figure 2 is a front view of the rotary excavator, and Figure 3 is a view of the rotary excavator during operation. The A-A enlarged sectional view in the figure, and Figures 4 to 8 show the first embodiment of the present invention. Figure 4 is a longitudinal sectional view of the main part, and Figure 5 is a front view of the rotary excavation tool. , FIG. 6 is an enlarged sectional view taken along line BB in FIG. 5 during operation, FIGS. 7 and 8 are perspective views showing other embodiments of the excavating blade, and FIG. 9 is a second embodiment of the present invention. 10 and 11 show a front view of a rotary excavator according to an example, and FIGS. 10 and 11 show a third embodiment of the present invention. FIG. 10 is a front view of the rotary excavator, and FIG. FIG. 3 is an enlarged sectional view taken along line DD in the figure. C, Cs, C2...Rotating drilling tool, 4...
... Rotation drive shaft, 5 ... Cutter wing, 6
・・・・・・Drilling blade, 6a, 6a1.6a2---
--Carbide tip, 6b, 6bi. 6b2...Base material.

Claims

[Scope of utility model registration request]

A plurality of cutters and a plurality of cutter wings are disposed at the tip of a rotary drive shaft capable of forward and reverse rotation, and a plurality of excavation blades are disposed in front of these cutter wings so as not to be adjacent to each other along the rotation direction of the cutter wings. What is claimed is: 1. A shield excavator comprising: a rotary excavator in which each of the excavating blades is configured to be capable of excavating in both forward and reverse directions;