JPH0446188U - - Google Patents
Info
- Publication number
- JPH0446188U JPH0446188U JP8706590U JP8706590U JPH0446188U JP H0446188 U JPH0446188 U JP H0446188U JP 8706590 U JP8706590 U JP 8706590U JP 8706590 U JP8706590 U JP 8706590U JP H0446188 U JPH0446188 U JP H0446188U
- Authority
- JP
- Japan
- Prior art keywords
- earth
- shield
- inner cylinder
- outer cylinder
- chamber
- 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
- 239000004576 sand Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図はこの考案の一実施例になるシールド掘
進機の断面図、第２図は第１図方向からの矢視
図、第３図は他の実施例を示す説明図である。
１……シールド本体、１ｂ……チヤンバ、３…
…カツタヘツド、４……スクリユウコンベヤ、４
ａ……ケーシング、４ｂ……スクリユウ、４ｃ…
…内筒、４ｄ……外筒、６……スライドシリンダ
、１０……シールドジヤツキ。
FIG. 1 is a sectional view of a shield tunneling machine according to an embodiment of this invention, FIG. 2 is a view taken from the direction of FIG. 1, and FIG. 3 is an explanatory diagram showing another embodiment. 1...Shield body, 1b...Chamber, 3...
...Katsuta head, 4...Screw conveyor, 4
a...Casing, 4b...Screw, 4c...
...Inner cylinder, 4d...Outer cylinder, 6...Slide cylinder, 10...Shield jack.
Claims (1)
シールド本体１の前部に設けられたカツタヘツド
３が掘削した土砂を、シールド本体１の前部に設
けられたチヤンバ１ｂ内へ取込むと共に、チヤン
バ１ｂ内へ取込まれた土砂をスクリユウコンベヤ
４により搬出するようにした土圧系シールド掘進
機において、上記スクリユウコンベヤ４のケーシ
ング４ａをシールド本体１側に固定された内筒４
ｃと、この内筒４ｃの後端に摺動自在に嵌合され
た外筒４ｄより構成し、かつこれら内筒４ｃと外
筒４ｄの間にほぼ八字形に複数のスライドシリン
ダ６を設けて、これらスライドシリンダ６により
外筒４ｄを前後方向へスライドさせることにより
、内筒４ｃの先端よりチヤンバ１ｂ内へ突出する
スクリユウ４ｂの突出量が調整できるようにして
なる土圧系シールド掘進機。 The cutter head 3 provided at the front of the shield body 1, which is propelled underground by the shield jack 10, takes in the excavated earth and sand into the chamber 1b provided at the front of the shield body 1. In an earth pressure type shield excavator in which the earth and sand taken into the earth are carried out by a screw conveyor 4, a casing 4a of the screw conveyor 4 is connected to an inner cylinder 4 fixed to the shield main body 1 side.
c and an outer cylinder 4d slidably fitted to the rear end of the inner cylinder 4c, and a plurality of slide cylinders 6 are provided in a substantially eight-shape between the inner cylinder 4c and the outer cylinder 4d. , an earth pressure type shield excavator in which the amount of protrusion of the screw 4b protruding from the tip of the inner cylinder 4c into the chamber 1b can be adjusted by sliding the outer cylinder 4d in the front-rear direction using these slide cylinders 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8706590U JPH0750475Y2 (en) | 1990-08-22 | 1990-08-22 | Earth pressure shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8706590U JPH0750475Y2 (en) | 1990-08-22 | 1990-08-22 | Earth pressure shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0446188U true JPH0446188U (en) | 1992-04-20 |
| JPH0750475Y2 JPH0750475Y2 (en) | 1995-11-15 |
Family
ID=31819113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8706590U Expired - Lifetime JPH0750475Y2 (en) | 1990-08-22 | 1990-08-22 | Earth pressure shield machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0750475Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014051813A (en) * | 2012-09-07 | 2014-03-20 | Hitachi Zosen Corp | Reception-side shield machine for excavation facility for underground junction |
-
1990
- 1990-08-22 JP JP8706590U patent/JPH0750475Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014051813A (en) * | 2012-09-07 | 2014-03-20 | Hitachi Zosen Corp | Reception-side shield machine for excavation facility for underground junction |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0750475Y2 (en) | 1995-11-15 |
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