JPH0184399U - - Google Patents
Info
- Publication number
- JPH0184399U JPH0184399U JP1988124117U JP12411788U JPH0184399U JP H0184399 U JPH0184399 U JP H0184399U JP 1988124117 U JP1988124117 U JP 1988124117U JP 12411788 U JP12411788 U JP 12411788U JP H0184399 U JPH0184399 U JP H0184399U
- Authority
- JP
- Japan
- Prior art keywords
- rear end
- shield
- casing
- ribbon screw
- cylindrical casing
- 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
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims 2
- 238000003756 stirring Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の一実施例を示す全体縦断側面
図、第２図は従来の泥水加圧シールド、圧力保持
シールドの適応限界を示す線図、第３図は本考案
の他の実施例を示す全体概略縦断側面図である。
１……シールド、２……カツターヘツド、３…
…隔壁、７……カツターヘツド駆動モータ、９…
…円筒ケーシング、１０……延長ケーシング、１
２……掘削土砂取込室、１３……攪拌用スクリユ
ー、１４……円筒ケーシング内通路、１５……リ
ボンスクリユー、１５Ａ……後端延設部、１６…
…攪拌用スクリユー回転軸、１７……筒体、１９
……回転駆動機構、２０……モータ、２１……ギ
ヤ機構、２２……導管、２４……注入管、２５…
…注入路、２６……バルブ、２９……シリンダ、
３０……排土機構、３３……固定注入管、３６…
…スライドゲート、３７……ポンピングチユーブ
、３８……ローラ。
Fig. 1 is an overall longitudinal sectional side view showing one embodiment of the present invention, Fig. 2 is a diagram showing the adaptability limits of a conventional muddy water pressure shield and pressure holding shield, and Fig. 3 is another embodiment of the present invention. FIG. 1...shield, 2...cutter head, 3...
...Bulkhead, 7...Cutter head drive motor, 9...
...Cylindrical casing, 10...Extension casing, 1
2... Excavation soil intake chamber, 13... Stirring screw, 14... Cylindrical casing inner passage, 15... Ribbon screw, 15A... Rear end extension part, 16...
... Screw rotating shaft for stirring, 17 ... Cylindrical body, 19
... Rotation drive mechanism, 20 ... Motor, 21 ... Gear mechanism, 22 ... Conduit, 24 ... Injection pipe, 25 ...
...Injection path, 26...Valve, 29...Cylinder,
30...Earth removal mechanism, 33...Fixed injection pipe, 36...
...Slide gate, 37...Pumping tube, 38...Roller.
Claims (1)
部に、隔壁で囲まれた掘削土砂取込室を形成し、
この隔壁の大気圧室側から掘削土砂に塑性化改良
材を注入するための注入管を設け、前記隔壁に、
これを貫通して螺旋帯体よりなるリボンスクリユ
ーが回転自在に設けられた円筒ケーシングを連設
し、この円筒ケーシングの後端位置に、前記リボ
ンスクリユーが嵌合固着された回転自在の筒体を
設け、この筒体の後端位置に、前記リボンスクリ
ユーの後端延設部が所定長さだけ突入されかつ後
端の排土口に開閉装置を有する延長ケーシングを
設け、前記筒体を回転するための回転駆動機構を
設けたことを特徴とするシールド掘進機。 At the back of the cutter head, which is pivotally supported at the tip of the shield, an excavated soil intake chamber surrounded by a partition wall is formed.
An injection pipe for injecting a plasticizing improver into the excavated soil from the atmospheric pressure chamber side of the partition wall is provided,
A cylindrical casing in which a ribbon screw made of a helical band is rotatably provided through the cylindrical casing is connected, and a rotatable cylinder in which the ribbon screw is fitted and fixed is connected to the rear end of the cylindrical casing. An extension casing is provided at the rear end of the cylindrical body, into which the rear end extending portion of the ribbon screw is inserted by a predetermined length, and the extension casing has an opening/closing device at the soil discharge port at the rear end. A shield excavator characterized by being provided with a rotational drive mechanism for rotating the shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12411788U JPH0332640Y2 (en) | 1988-09-22 | 1988-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12411788U JPH0332640Y2 (en) | 1988-09-22 | 1988-09-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0184399U true JPH0184399U (en) | 1989-06-05 |
| JPH0332640Y2 JPH0332640Y2 (en) | 1991-07-10 |
Family
ID=31373573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12411788U Expired JPH0332640Y2 (en) | 1988-09-22 | 1988-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332640Y2 (en) |
-
1988
- 1988-09-22 JP JP12411788U patent/JPH0332640Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0332640Y2 (en) | 1991-07-10 |
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