JPS62169098U - - Google Patents
Info
- Publication number
- JPS62169098U JPS62169098U JP5765286U JP5765286U JPS62169098U JP S62169098 U JPS62169098 U JP S62169098U JP 5765286 U JP5765286 U JP 5765286U JP 5765286 U JP5765286 U JP 5765286U JP S62169098 U JPS62169098 U JP S62169098U
- Authority
- JP
- Japan
- Prior art keywords
- base material
- bit base
- excavation
- bit
- cylindrical
- 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
- 238000009412 basement excavation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案に係るシールド掘削機の余掘り
装置の一実施例を示す縦断側面図、第２図は第１
図の矢視図、第３図は本考案の他の実施例を示
す部分側面図、第４図は第３図の矢視図、第５
図は従来のシールド掘削機の余掘り装置の縦断側
面図、第６図は第５図の矢視図である。
１……油圧ジヤツキ、４……掘削用ビツト、４
ａ……ビツト母材、４ｂ……土砂掘削用チツプ、
５……ガイド。
FIG. 1 is a vertical side view showing an embodiment of the over-excavation device of a shield excavator according to the present invention, and FIG.
Fig. 3 is a partial side view showing another embodiment of the present invention; Fig. 4 is a view taken in the direction of Fig. 3;
The figure is a longitudinal sectional side view of an over-digging device of a conventional shield excavator, and FIG. 6 is a view taken in the direction of the arrow in FIG. 5. 1...Hydraulic jack, 4...Drilling bit, 4
a... Bit base material, 4b... Chip for earth and sand excavation,
5...Guide.
Claims (1)
端に、円柱形ビツト母材の先端面に同母材の軸回
りに対称に土砂掘削用チツプが配設された掘削用
ビツトを連結し、前記ビツト母材の外周に円環状
のガイドを配設してなることを特徴とするシール
ド掘削機の余掘り装置。 An excavation bit having an earth and sand excavation tip disposed symmetrically around the axis of the cylindrical bit base material on the tip surface of the cylindrical bit base material is connected to the other end of the telescopic hydraulic jack with one end fixed. An over-digging device for a shield excavator, characterized in that an annular guide is arranged around the outer periphery of a bit base material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5765286U JPS62169098U (en) | 1986-04-18 | 1986-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5765286U JPS62169098U (en) | 1986-04-18 | 1986-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62169098U true JPS62169098U (en) | 1987-10-27 |
Family
ID=30887558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5765286U Pending JPS62169098U (en) | 1986-04-18 | 1986-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62169098U (en) |
-
1986
- 1986-04-18 JP JP5765286U patent/JPS62169098U/ja active Pending
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