JPS6140497U - Shield type rock tunnel excavator - Google Patents

Shield type rock tunnel excavator

Info

Publication number
JPS6140497U
JPS6140497U JP12434884U JP12434884U JPS6140497U JP S6140497 U JPS6140497 U JP S6140497U JP 12434884 U JP12434884 U JP 12434884U JP 12434884 U JP12434884 U JP 12434884U JP S6140497 U JPS6140497 U JP S6140497U
Authority
JP
Japan
Prior art keywords
shield
tunnel excavator
rock tunnel
type rock
shield type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP12434884U
Other languages
Japanese (ja)
Other versions
JPH0324716Y2 (en
Inventor
英和 青木
操 梶原
Original Assignee
株式会社小松製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP12434884U priority Critical patent/JPS6140497U/en
Publication of JPS6140497U publication Critical patent/JPS6140497U/en
Application granted granted Critical
Publication of JPH0324716Y2 publication Critical patent/JPH0324716Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例を示す断面図、第２図は他の実
施例を示す概略的な説明図、第３図は従来例の構造を概
略的に示す説明図である。 １は外シールド、２はシールド本体、４は後シールド。FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is a schematic explanatory view showing another embodiment, and FIG. 3 is an explanatory view schematically showing the structure of a conventional example. 1 is the outer shield, 2 is the shield body, and 4 is the rear shield.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外シールド１の前側にシールド本体２を折り曲げ可能に
連結し、また後側に後シールド４を伸縮動可能に連結し
たシールド式岩盤用トンネル掘削機において、後シール
ド４の径を外シールド１の径より小径にする七井↓二−
後シールド４の軸心を外シールド１の軸心より下側へ偏
心させ、後シールド４の上側面を外シールド１の上側内
面より下側に位置させたことを特徴とするシー ルド式
岩盤用トンネル掘削機。In a shield-type rock tunnel excavator in which a shield main body 2 is bendably connected to the front side of the outer shield 1 and a rear shield 4 is extendably connected to the rear side, the diameter of the rear shield 4 is the same as the diameter of the outer shield 1. Nanai ↓ 2- to make the diameter smaller
A shield type for rock mass, characterized in that the axis of the rear shield 4 is eccentrically lower than the axis of the outer shield 1, and the upper surface of the rear shield 4 is positioned lower than the upper inner surface of the outer shield 1. tunnel boring machine.
JP12434884U 1984-08-16 1984-08-16 Shield type rock tunnel excavator Granted JPS6140497U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12434884U JPS6140497U (en) 1984-08-16 1984-08-16 Shield type rock tunnel excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12434884U JPS6140497U (en) 1984-08-16 1984-08-16 Shield type rock tunnel excavator

Publications (2)

Publication Number Publication Date
JPS6140497U true JPS6140497U (en) 1986-03-14
JPH0324716Y2 JPH0324716Y2 (en) 1991-05-29

Family

ID=30683075

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12434884U Granted JPS6140497U (en) 1984-08-16 1984-08-16 Shield type rock tunnel excavator

Country Status (1)

Country Link
JP (1) JPS6140497U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0359195U (en) * 1989-10-09 1991-06-11

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49134134A (en) * 1973-04-26 1974-12-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49134134A (en) * 1973-04-26 1974-12-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0359195U (en) * 1989-10-09 1991-06-11

Also Published As

Publication number Publication date
JPH0324716Y2 (en) 1991-05-29

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