JPH0473086U - - Google Patents
Info
- Publication number
- JPH0473086U JPH0473086U JP11656390U JP11656390U JPH0473086U JP H0473086 U JPH0473086 U JP H0473086U JP 11656390 U JP11656390 U JP 11656390U JP 11656390 U JP11656390 U JP 11656390U JP H0473086 U JPH0473086 U JP H0473086U
- Authority
- JP
- Japan
- Prior art keywords
- body part
- center
- arc surface
- circular arc
- folding type
- 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.)
- Granted
Links
- 238000005452 bending Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
簡略縦断側面図、第２図はその縦断正面図、第３
図は屈折部の拡大縦断側面図、第４図はその平面
図、第５図は本考案の別な実施例を示す屈折部の
拡大縦断側面図、第６図はその平面図である。
１……シールド本体、１ａ……前胴部、１ｂ…
…後胴部、５……受圧部材、６，１０……円弧面
、９……押圧部材、１１……中折れジヤツキ、１
５……ローリング防止用ピン、１６……ピン保持
部材、１７……ピン穴。
The drawings show an embodiment of the present invention, and FIG. 1 is a simplified vertical side view, FIG. 2 is a vertical front view, and FIG.
4 is an enlarged longitudinal sectional side view of the refracting section, FIG. 4 is a plan view thereof, FIG. 5 is an enlarged longitudinal sectional side view of the refracting section showing another embodiment of the present invention, and FIG. 6 is a plan view thereof. 1...Shield body, 1a...Front body part, 1b...
... Rear body part, 5 ... Pressure receiving member, 6, 10 ... Arc surface, 9 ... Pressing member, 11 ... Center bending jack, 1
5... Rolling prevention pin, 16... Pin holding member, 17... Pin hole.
Claims (1)
ールド本体を前胴部と後胴部とに分割すると共に
、前胴部の後端に後胴部の前端を屈折自在に接合
し、これらの前後胴部を互いに屈折させる中折れ
ジヤツキ等の屈折作動手段を配設してなる中折れ
式シールド掘削機において、前端面が屈折点を中
心とする円弧面に形成された押圧部材を後胴部に
一体に固着し、前胴部に該押圧部材の前記円弧面
を摺動自在に受止する円弧面を設けた受圧部材を
固着していることを特徴とする中折れ式シールド
掘削機。 A cylindrical shield body with an excavation cutter disposed at the front end is divided into a front body part and a rear body part, and the front end of the rear body part is refractably joined to the rear end of the front body part. In a center-folding type shield excavator that is equipped with a bending actuating means such as a center-folding jack that bends the front and rear body parts of the 1. A center-folding type shield excavator, characterized in that a pressure receiving member is fixed to the front body part and has a circular arc surface that slidably receives the circular arc surface of the pressing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11656390U JPH0739993Y2 (en) | 1990-11-05 | 1990-11-05 | Center-break type shield excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11656390U JPH0739993Y2 (en) | 1990-11-05 | 1990-11-05 | Center-break type shield excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0473086U true JPH0473086U (en) | 1992-06-26 |
| JPH0739993Y2 JPH0739993Y2 (en) | 1995-09-13 |
Family
ID=31864400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11656390U Expired - Lifetime JPH0739993Y2 (en) | 1990-11-05 | 1990-11-05 | Center-break type shield excavator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0739993Y2 (en) |
-
1990
- 1990-11-05 JP JP11656390U patent/JPH0739993Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0739993Y2 (en) | 1995-09-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |