JPH0266892U - - Google Patents
Info
- Publication number
- JPH0266892U JPH0266892U JP14498388U JP14498388U JPH0266892U JP H0266892 U JPH0266892 U JP H0266892U JP 14498388 U JP14498388 U JP 14498388U JP 14498388 U JP14498388 U JP 14498388U JP H0266892 U JPH0266892 U JP H0266892U
- Authority
- JP
- Japan
- Prior art keywords
- ribbon
- screws
- soil
- driven
- earth
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図はこの考案の一実施例を示す概略断面図
、第２図はこの考案に係る２条式リボンスクリユ
ーコンベヤの駆動油圧回路の説明図、第３図ａ、
第３図ｂ、第３図ｃ、第３図ｄはそれぞれ駆動油
圧回路の切換え説明図、第４図は他の実施例を示
す。
１……シールド本体、１ａ……気密壁、１ｂ…
…シールドチヤンバ、２……カツタヘツド、３…
…スクリユウコンベヤ、３ａ……リボンスクリユ
ー、３ｂ……リボンスクリユー、４……油圧モー
タ、５……油圧モータ、６……ピニオン、７……
ピニオン、８……ギヤー、９……ギヤー、１０…
…油圧ポンプ、１１……電磁弁、１２……電磁弁
、１３……電磁弁、１４……排出口、１５……薬
剤注入口。
Fig. 1 is a schematic sectional view showing an embodiment of this invention, Fig. 2 is an explanatory diagram of a drive hydraulic circuit for a two-row ribbon screw conveyor according to this invention, Fig. 3a,
3b, 3c, and 3d are explanatory diagrams for switching the driving hydraulic circuit, respectively, and FIG. 4 shows another embodiment. 1...Shield body, 1a...Airtight wall, 1b...
...Shield chamber, 2...Katsuta head, 3...
...Screw conveyor, 3a... Ribbon screw, 3b... Ribbon screw, 4... Hydraulic motor, 5... Hydraulic motor, 6... Pinion, 7...
Pinion, 8...gear, 9...gear, 10...
... Hydraulic pump, 11 ... Solenoid valve, 12 ... Solenoid valve, 13 ... Solenoid valve, 14 ... Discharge port, 15 ... Drug injection port.
Claims (1)
ツタヘツドにより掘削した土砂を排土用スクリユ
ーコンベヤにより汚水と共にシールド本体内に取
り込んで後方へ搬出する土圧バランス式シールド
掘削機において、上記スクリユーコンベヤ内にリ
ボン式スクリユーを２条、互いに組み合わせた状
態で設置し、それぞれ１条のリボン式スクリユー
を単独に正又は逆回転駆動させ得るようにすると
共に、１条を駆動し他の１条を従動させ得るよう
にし、２条のリボン式スクリユーの組合せピツチ
を変化させることによつて、スクリユーコンベヤ
内で土質改良剤等と土砂とを撹拌混合するように
したことを特徴とする土砂混合装置。 In an earth pressure balance type shield excavator, earth and sand excavated by a cutter head rotatably provided at the front part of the shield body is taken into the shield body together with sewage by a screw conveyor for earth removal, and carried out to the rear. Two ribbon-type screws are installed in the interior in combination with each other, and each ribbon-type screw can be independently driven in forward or reverse rotation, and one of the ribbon screws is driven while the other is driven. A soil and sand mixing device characterized in that a soil conditioner, etc. and soil are agitated and mixed in a screw conveyor by changing the combination pitch of two ribbon screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14498388U JPH0266892U (en) | 1988-11-08 | 1988-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14498388U JPH0266892U (en) | 1988-11-08 | 1988-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0266892U true JPH0266892U (en) | 1990-05-21 |
Family
ID=31413174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14498388U Pending JPH0266892U (en) | 1988-11-08 | 1988-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0266892U (en) |
-
1988
- 1988-11-08 JP JP14498388U patent/JPH0266892U/ja active Pending
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