JPH0254893U - - Google Patents
Info
- Publication number
- JPH0254893U JPH0254893U JP13203188U JP13203188U JPH0254893U JP H0254893 U JPH0254893 U JP H0254893U JP 13203188 U JP13203188 U JP 13203188U JP 13203188 U JP13203188 U JP 13203188U JP H0254893 U JPH0254893 U JP H0254893U
- Authority
- JP
- Japan
- Prior art keywords
- flexible member
- seal ring
- annular
- attached
- shield
- 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
- 238000007789 sealing Methods 0.000 claims description 2
- 230000005641 tunneling Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
Description
第１図はこの考案の一実施例に係るシールド掘
進機の概略縦断面図、第２図は第１図の要部の拡
大図、第３図は緊急用止水シール装置の詳細を示
す拡大縦断面図、第４図はシールリングおよび可
撓性部材の関連構成を示す半断面側面図、第５図
は第４図の要部の拡大縦断面図である。
５……テールプレート、７……セグメント、９
……円環状の可撓性部材、９ｂ……膨出部、１１
……環状のシールリング、１１ａ……前端部、１
１ｂ……後端部。
Fig. 1 is a schematic vertical cross-sectional view of a shield tunneling machine according to an embodiment of this invention, Fig. 2 is an enlarged view of the main parts of Fig. 1, and Fig. 3 is an enlarged view showing details of an emergency water-stop sealing device. 4 is a half-sectional side view showing the related structure of the seal ring and the flexible member, and FIG. 5 is an enlarged vertical sectional view of the main part of FIG. 4. 5...Tail plate, 7...Segment, 9
...Annular flexible member, 9b...Bulging portion, 11
...Annular seal ring, 11a...front end, 1
1b... Rear end.
Claims (1)
取り付けられ、流体により加圧されて径方向の内
側へ膨らむ円環状の可撓性部材と、この可撓性部
材の膨出部よりも切羽側の前方において、かつ、
その前端部において起倒自在に取り付けられ、上
記可撓性部材が内側へ膨らむことにより、トンネ
ルを構成するセグメントの外周に後端部が押し付
けられる環状のシールリングとを備え、上記可撓
性部材とシールリングとが別体に形成されたシー
ルド掘進機の緊急用止水シール装置。 An annular flexible member that is attached to the annular tail plate at the rear of the shield tunneling machine and expands radially inward when pressurized by fluid, and in front of the bulging part of this flexible member on the face side. ,and,
an annular seal ring that is attached to the front end of the flexible member so as to be able to freely rise and fall, and whose rear end is pressed against the outer periphery of the segment forming the tunnel when the flexible member swells inward; An emergency water-stop sealing device for shield excavators in which a seal ring and a seal ring are formed separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988132031U JPH0630958Y2 (en) | 1988-10-07 | 1988-10-07 | Emergency water seal device for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988132031U JPH0630958Y2 (en) | 1988-10-07 | 1988-10-07 | Emergency water seal device for shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0254893U true JPH0254893U (en) | 1990-04-20 |
| JPH0630958Y2 JPH0630958Y2 (en) | 1994-08-22 |
Family
ID=31388630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988132031U Expired - Fee Related JPH0630958Y2 (en) | 1988-10-07 | 1988-10-07 | Emergency water seal device for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0630958Y2 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS552520A (en) * | 1978-06-15 | 1980-01-10 | Toshiaki Kobayashi | Builttup 44leg support body for winch suspension |
| JPS566550A (en) * | 1979-06-27 | 1981-01-23 | Mitsubishi Electric Corp | Data transmission system |
| JPS57128697U (en) * | 1981-02-02 | 1982-08-11 | ||
| JPS6136000U (en) * | 1984-07-31 | 1986-03-05 | 株式会社 奥村組 | Tail seal device of shield machine |
| JPS6214237U (en) * | 1985-07-10 | 1987-01-28 |
-
1988
- 1988-10-07 JP JP1988132031U patent/JPH0630958Y2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS552520A (en) * | 1978-06-15 | 1980-01-10 | Toshiaki Kobayashi | Builttup 44leg support body for winch suspension |
| JPS566550A (en) * | 1979-06-27 | 1981-01-23 | Mitsubishi Electric Corp | Data transmission system |
| JPS57128697U (en) * | 1981-02-02 | 1982-08-11 | ||
| JPS6136000U (en) * | 1984-07-31 | 1986-03-05 | 株式会社 奥村組 | Tail seal device of shield machine |
| JPS6214237U (en) * | 1985-07-10 | 1987-01-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0630958Y2 (en) | 1994-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |