JPH01105695U - - Google Patents
Info
- Publication number
- JPH01105695U JPH01105695U JP150288U JP150288U JPH01105695U JP H01105695 U JPH01105695 U JP H01105695U JP 150288 U JP150288 U JP 150288U JP 150288 U JP150288 U JP 150288U JP H01105695 U JPH01105695 U JP H01105695U
- Authority
- JP
- Japan
- Prior art keywords
- shield
- spherical convex
- circumferential direction
- convex portion
- front body
- 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
- 238000005452 bending Methods 0.000 claims 1
- 230000005641 tunneling Effects 0.000 description 3
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の一実施例におけるシールド掘
進機の要部水平断面図、第２図は同シールド掘進
機の概略断面図、第３図は従来のシールド掘進機
の要部水平断面図である。
１…シールド本体、２…前胴、３…後胴、４…
球状凸部、７…半球面状凹部。
Figure 1 is a horizontal sectional view of the main parts of a shield tunneling machine according to an embodiment of the present invention, Figure 2 is a schematic sectional view of the same shield tunneling machine, and Figure 3 is a horizontal sectional view of the main parts of a conventional shield tunneling machine. be. 1... Shield body, 2... Front body, 3... Rear body, 4...
Spherical convex part, 7... Hemispherical concave part.
Claims (1)
ルド掘進機であつて、シールド本体の前胴または
後胴の一方の周方向複数箇所に、球状凸部を設け
、他方の後胴または前胴に、上記球状凸部に当接
離間可能にされるとともに球状凸部の周方向の移
動を規制する球面状凹部を設け、かつ上記前胴と
後胴とを連結するとともに互いに傾動させる屈折
用ジヤツキを、シールド本体の内周に沿つて複数
個配置したことを特徴とするシールド掘進機。 A shield excavator in which the shield body is divided into a front body and a rear body, in which spherical convex portions are provided at multiple locations in the circumferential direction of one of the front body or the rear body of the shield body, and a bending jack which is provided with a spherical concave portion that can come into contact with and separate from the spherical convex portion and that restricts movement of the spherical convex portion in the circumferential direction, and that connects the front body and the rear body and tilts them relative to each other; A shield excavator characterized in that a plurality of the following are arranged along the inner circumference of the shield body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP150288U JPH01105695U (en) | 1988-01-08 | 1988-01-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP150288U JPH01105695U (en) | 1988-01-08 | 1988-01-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105695U true JPH01105695U (en) | 1989-07-17 |
Family
ID=31201442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP150288U Pending JPH01105695U (en) | 1988-01-08 | 1988-01-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105695U (en) |
-
1988
- 1988-01-08 JP JP150288U patent/JPH01105695U/ja active Pending