JPH0293392U - - Google Patents
Info
- Publication number
- JPH0293392U JPH0293392U JP86189U JP86189U JPH0293392U JP H0293392 U JPH0293392 U JP H0293392U JP 86189 U JP86189 U JP 86189U JP 86189 U JP86189 U JP 86189U JP H0293392 U JPH0293392 U JP H0293392U
- Authority
- JP
- Japan
- Prior art keywords
- shield
- cutter head
- cutter
- overcut
- excavation
- 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 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図は第１図の矢視図、第３図はオーバカツタ
をオーバ切削位置にした縦断面図、第４図はオー
バカツタの斜視図、第５図はオーバカツタの局部
切断図、第６図は従来例の縦断面図である。
１１：シールド機体、１２：隔壁、１５：カツ
タヘツド、２１：オーバカツタ、２２：枢着、２
３：油圧シリンダ。
Fig. 1 is a longitudinal sectional view showing an embodiment of the present invention, Fig. 2 is a view taken in the direction of the arrow in Fig. 1, Fig. 3 is a longitudinal sectional view with the overcut cutter in the overcutting position, and Fig. 4 is a perspective view of the overcut cutter. 5 is a partially cutaway view of an overcut, and FIG. 6 is a longitudinal sectional view of a conventional example. 11: Shield aircraft, 12: Bulkhead, 15: Katsuta head, 21: Overkatsuta, 22: Pivot, 2
3: Hydraulic cylinder.
Claims (1)
成して配設されたカツタヘツドの回転によりシー
ルド掘削するシールド掘削機において、前記カツ
タヘツド内に枢着された油圧シリンダによつて後
退した通常のシールド掘削位置とカツタヘツド前
側の放射方向に突出したオーバ切削位置に回動し
て配置されるオーバカツタを設けたことを特徴と
するシールド掘削機の障害物切削装置。 In a shield excavator that performs shield excavation by rotating a cutter head that is arranged to form a cutter chamber in front of a bulkhead in the shield machine body, the conventional shield excavation position and the cutter head are retreated by a hydraulic cylinder pivotally mounted in the cutter head. An obstacle cutting device for a shield excavator, characterized by being provided with an overcut that is rotated and arranged at an overcutting position protruding in a radial direction on the front side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP86189U JPH0293392U (en) | 1989-01-10 | 1989-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP86189U JPH0293392U (en) | 1989-01-10 | 1989-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0293392U true JPH0293392U (en) | 1990-07-25 |
Family
ID=31200247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP86189U Pending JPH0293392U (en) | 1989-01-10 | 1989-01-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0293392U (en) |
-
1989
- 1989-01-10 JP JP86189U patent/JPH0293392U/ja active Pending