JPH0453886U - - Google Patents
Info
- Publication number
- JPH0453886U JPH0453886U JP9551490U JP9551490U JPH0453886U JP H0453886 U JPH0453886 U JP H0453886U JP 9551490 U JP9551490 U JP 9551490U JP 9551490 U JP9551490 U JP 9551490U JP H0453886 U JPH0453886 U JP H0453886U
- Authority
- JP
- Japan
- Prior art keywords
- conveyor
- earth
- screw
- screw conveyor
- pressure 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.)
- Pending
Links
- 239000002689 soil Substances 0.000 claims 3
- 239000004576 sand Substances 0.000 claims 2
- 230000032258 transport Effects 0.000 claims 1
- 239000013049 sediment Substances 0.000 description 1
Description
第１図はこの考案にかかるスクリユーコンベア
を設けた土圧系シールド掘進機の全体構成を示す
断面図、第２図はこの考案の要部を示すスクリユ
ーコンベアの断面図である。
１……土圧系シールド掘進機、２……カツター
ドラム、２ｃ……土圧室、９……スクリユーコン
ベア、２０……コンベアケーシング、２０ａ……
土砂取入れ口、２０ｂ……排土口、２２……コン
ベア軸、２４……羽根、Ｐ１〜Ｐｎ……ピツチ。
FIG. 1 is a sectional view showing the overall structure of an earth pressure type shield excavator equipped with a screw conveyor according to this invention, and FIG. 2 is a sectional view of the screw conveyor showing the main parts of this invention. 1...Earth pressure system shield excavator, 2...Cutter drum, 2c...Earth pressure chamber, 9...Screw conveyor, 20...Conveyor casing, 20a...
Sediment intake port, 20b...earth discharge port, 22...conveyor shaft, 24...blade, P1 to Pn...pitch.
Claims (1)
充満させるとともに、前記土砂をスクリユーコン
ベアで土圧室の後方に搬出するシールド掘進機に
おいて、 前記スクリユーコンベアは、一端に土砂取入れ
口、他端に排土口を有する筒状のコンベアケーシ
ングと、該コンベアケーシング内を回転可能に縦
通したコンベア軸と、該軸の外周に固定された螺
旋状の羽根とを備え、かつ前記スクリユーのピツ
チを前記排土口側に向けて順次狭めてあることを
特徴とするシールド掘進機用スクリユーコンベア
。[Scope of Claim for Utility Model Registration] In a shield excavator that fills an earth pressure chamber with earth and sand cut from a face with a cutter and transports the earth and sand to the rear of the earth pressure chamber by a screw conveyor, the screw conveyor comprises: A cylindrical conveyor casing having a soil intake port at one end and a soil discharge port at the other end, a conveyor shaft rotatably passing longitudinally through the conveyor casing, and a spiral blade fixed to the outer periphery of the shaft. 1. A screw conveyor for a shield excavator, characterized in that the pitch of the screw is gradually narrowed toward the soil discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9551490U JPH0453886U (en) | 1990-09-13 | 1990-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9551490U JPH0453886U (en) | 1990-09-13 | 1990-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0453886U true JPH0453886U (en) | 1992-05-08 |
Family
ID=31834277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9551490U Pending JPH0453886U (en) | 1990-09-13 | 1990-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453886U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53135657A (en) * | 1977-04-30 | 1978-11-27 | Minolta Camera Co Ltd | Eye lens in eyepiece system |
-
1990
- 1990-09-13 JP JP9551490U patent/JPH0453886U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53135657A (en) * | 1977-04-30 | 1978-11-27 | Minolta Camera Co Ltd | Eye lens in eyepiece system |
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