JPS6091695U

JPS6091695U - Tunnel excavator cut head device

Info

Publication number: JPS6091695U
Application number: JP18303983U
Authority: JP
Inventors: 久我　憲治
Original assignee: 株式会社小松製作所
Priority date: 1983-11-29
Filing date: 1983-11-29
Publication date: 1985-06-22

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図は従来のトンネル掘削機のカッタヘッド装置の正
面図、第２図は同縦断面図、第３図は本考案−実施例の
正面図、第４図は第３図ＩＶ−ＩＶ線に沿う断面図、第
５図は第４図Ｖ部の拡大図、第６図は第４図Ｖｌ−ＶＩ
線に沿う断面図、第７図は第４図■−■線に沿う断面図
である。１はカッタヘッド本体、３はスイングスポーク、４はデ
ィスクカッタ、９はツールピット、１１はシールド本体
、Ｂはスイングスポーク操作機構。第５図１１１１１．７　　　　〈＼　１　／　１１１［１１Ｉ／）シ廁］Fig. 1 is a front view of a cutter head device of a conventional tunnel excavator, Fig. 2 is a vertical sectional view thereof, Fig. 3 is a front view of the present invention-embodiment, and Fig. 4 is a line taken along the line IV-IV of Fig. 3. 5 is an enlarged view of section V in FIG. 4, and FIG. 6 is a cross-sectional view along section V in FIG. 4.
FIG. 7 is a cross-sectional view taken along the line ``---'' in FIG. 4. 1 is a cutter head body, 3 is a swing spoke, 4 is a disc cutter, 9 is a tool pit, 11 is a shield body, and B is a swing spoke operating mechanism. Figure 5 1 1111.7 〈＼ 1 / 11 1 [11I /) し廁]

Claims

[Scope of utility model registration request]

The cutter head body 1 rotatably provided in the shield body 11 is provided with a plurality of openings 37 in the circumferential direction. A swing spoke 3 that swings back and forth with the end as a fulcrum is provided, a plurality of tool bits 9 are fixed to the swing spoke 3, a plurality of disc cutters 4 are provided to the cutter head body 1, and a shield body 11 is provided with a plurality of disc cutters 4. A cutter head device for a tunnel excavator, characterized in that a swing spoke operating mechanism B is provided for swinging the swing spoke 3 in the front-back direction and holding it at a predetermined position.