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
Links
- 238000001514 detection method Methods 0.000 claims description 2
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
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)
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. .
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)
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 |
-
1985
- 1985-03-26 JP JP4231385U patent/JPS61159489U/ja active Pending
Cited By (1)
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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