JPS6452995A - Shield excavator - Google Patents
Shield excavatorInfo
- Publication number
- JPS6452995A JPS6452995A JP20657087A JP20657087A JPS6452995A JP S6452995 A JPS6452995 A JP S6452995A JP 20657087 A JP20657087 A JP 20657087A JP 20657087 A JP20657087 A JP 20657087A JP S6452995 A JPS6452995 A JP S6452995A
- Authority
- JP
- Japan
- Prior art keywords
- sand
- excavated earth
- earth
- chamber
- driven
- 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)
Abstract
PURPOSE: To prevent the closure of excavated earth and sand in a chamber to facilitate the earth-removal of the excavated earth and sand by providing ultrasonic wave transmitters to a wall partioning the chamber on the rear side of a cutter disc. CONSTITUTION: A shield jack 48 is extended while rotationally driving a cutter disc 12 by a cutter motor 32, and a shield boring machine is driven while taking the excavated earth and sand into a chamber 28 from a slit hole 16. In that case, ultrasonic wave transmitters 52 respectively mounted on the inclined surface 18 of a cylindrical body 20 and the circumferential surface of a screw conveyor 26 are driven. When the ultrasonic wave transmitters are driven, ultrasonic oscillation is transferred to the inclined surface 18 through a diaphragm 56, and the excavated earth and sand is smoothly moved, An additive is supplied from a grouting device 33 in accordance with a state of an earth- moving of the screw conveyor 26 to mix it with the excavated earth and sand to stir, and flowability and cut-off efficiency are provided to the excavated earth and sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20657087A JPS6452995A (en) | 1987-08-21 | 1987-08-21 | Shield excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20657087A JPS6452995A (en) | 1987-08-21 | 1987-08-21 | Shield excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6452995A true JPS6452995A (en) | 1989-03-01 |
Family
ID=16525585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20657087A Pending JPS6452995A (en) | 1987-08-21 | 1987-08-21 | Shield excavator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6452995A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2297728A (en) * | 1994-07-21 | 1996-08-14 | Mitsui Shipbuilding Eng | Semi-submerged catamaran |
| JP2009228261A (en) * | 2008-03-21 | 2009-10-08 | Ihi Corp | Shield machine |
| CN109882190A (en) * | 2019-04-11 | 2019-06-14 | 中铁工程装备集团有限公司 | A kind of multimode enclosed TBM and its construction method suitable for long mountain tunnel |
| FR3093126A1 (en) * | 2019-02-27 | 2020-08-28 | Bouygues Travaux Publics | Unclogging an evacuation opening of a tunnel boring machine using ultrasonic waves |
-
1987
- 1987-08-21 JP JP20657087A patent/JPS6452995A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2297728A (en) * | 1994-07-21 | 1996-08-14 | Mitsui Shipbuilding Eng | Semi-submerged catamaran |
| JP2009228261A (en) * | 2008-03-21 | 2009-10-08 | Ihi Corp | Shield machine |
| FR3093126A1 (en) * | 2019-02-27 | 2020-08-28 | Bouygues Travaux Publics | Unclogging an evacuation opening of a tunnel boring machine using ultrasonic waves |
| EP3715583A1 (en) * | 2019-02-27 | 2020-09-30 | Bouygues Travaux Publics | Cleaning of a discharge opening of a tunnel-boring machine by ultrasonic waves |
| US10851650B2 (en) | 2019-02-27 | 2020-12-01 | Bouygues Travaux Publics | Unclogging of a discharge opening of a tunnel boring machine by ultrasonic waves |
| AU2020201411B2 (en) * | 2019-02-27 | 2025-03-13 | Bouygues Travaux Publics | Unclogging of a discharge opening of a tunnel boring machine by ultrasonic waves |
| CN109882190A (en) * | 2019-04-11 | 2019-06-14 | 中铁工程装备集团有限公司 | A kind of multimode enclosed TBM and its construction method suitable for long mountain tunnel |
| CN109882190B (en) * | 2019-04-11 | 2020-06-19 | 中铁工程装备集团有限公司 | Multi-mode closed TBM suitable for long and large mountain tunnel and construction method thereof |
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