JPS61159489U - - Google Patents

Info

Publication number
JPS61159489U
JPS61159489U JP4231385U JP4231385U JPS61159489U JP S61159489 U JPS61159489 U JP S61159489U JP 4231385 U JP4231385 U JP 4231385U JP 4231385 U JP4231385 U JP 4231385U JP S61159489 U JPS61159489 U JP S61159489U
Authority
JP
Japan
Prior art keywords
hydraulic jack
collapse
ace
cutter
ground
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.)
Pending
Application number
JP4231385U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP4231385U priority Critical patent/JPS61159489U/ja
Publication of JPS61159489U publication Critical patent/JPS61159489U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Description

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

第1図は本考案密閉形トンネル掘削機の切羽崩
壊検知装置の実施例における構造及び油圧回路を
示し、第2図は作動状態を示す。 1……カツタフエース、2……油圧ジヤツキ、
3……スプリング、4……ローラ、15……油量
計。
FIG. 1 shows the structure and hydraulic circuit of an embodiment of the face collapse detection device for a closed tunnel excavator according to the present invention, and FIG. 2 shows the operating state. 1...Katsutafu Ace, 2...Hydraulic jack,
3...Spring, 4...Roller, 15...Oil gauge.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] カツタフエース内に半径方向に油圧ジヤツキを
設け、該油圧ジヤツキのピストンの先端にローラ
を取付け、シリンダ内に該ピストンを外方に押圧
するスプリングを設け、該ローラを地山に押付け
た状態でカツタフエースを回転させ、油圧ジヤツ
キの上下ストロークを油圧回路中の油量計で検出
し、地山の崩壊高さ及び崩壊範囲を検出するよう
にしたことを特徴とする密閉形トンネル掘削機の
切羽崩壊検知装置。
A hydraulic jack is provided in the radial direction within the cutter ace, a roller is attached to the tip of the piston of the hydraulic jack, a spring is provided in the cylinder to press the piston outward, and the cutter ace is pressed with the roller pressed against the ground. A face collapse detection device for a closed type tunnel excavator, characterized in that the vertical stroke of a hydraulic jack is detected by an oil gauge in a hydraulic circuit, and the collapse height and collapse range of the ground are detected. .
JP4231385U 1985-03-26 1985-03-26 Pending JPS61159489U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4231385U JPS61159489U (en) 1985-03-26 1985-03-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4231385U JPS61159489U (en) 1985-03-26 1985-03-26

Publications (1)

Publication Number Publication Date
JPS61159489U true JPS61159489U (en) 1986-10-02

Family

ID=30552952

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4231385U Pending JPS61159489U (en) 1985-03-26 1985-03-26

Country Status (1)

Country Link
JP (1) JPS61159489U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07198367A (en) * 1993-12-28 1995-08-01 Daido Kikai Seisakusho:Kk Size measuring apparatus of material in rolling mill

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07198367A (en) * 1993-12-28 1995-08-01 Daido Kikai Seisakusho:Kk Size measuring apparatus of material in rolling mill

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