JPS60190895U - Tail seal of shield excavator - Google Patents
Tail seal of shield excavatorInfo
- Publication number
- JPS60190895U JPS60190895U JP7655984U JP7655984U JPS60190895U JP S60190895 U JPS60190895 U JP S60190895U JP 7655984 U JP7655984 U JP 7655984U JP 7655984 U JP7655984 U JP 7655984U JP S60190895 U JPS60190895 U JP S60190895U
- Authority
- JP
- Japan
- Prior art keywords
- tail seal
- shield excavator
- shield
- tunnel
- circumferential surface
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はシールド掘進機の概略断面図、第２図はシール
ド掘進機の後部に設けられたテールシールの従来例を示
す図、第３図は短冊状に形成された従来のテールシール
ピースを示す図、第５図はシールド掘進機後部に設けら
れた複数のテールシールピースから成る本考案のテール
シールを示す図、第６図は本考案のテールシールピース
を示す図、第７図はテールシールピースがシールドフレ
ーム後部に、その周方向に隙間な（配列された図である
。
図中、１はシールドフレーム、２は掘孔、３は先端部、
４は掘孔内周面、５はセグメント、６はテールシール、
７は網板材である。
２３１７
第５図
ｒ３Figure 1 is a schematic sectional view of a shield tunneling machine, Figure 2 is a diagram showing a conventional example of a tail seal provided at the rear of a shield tunneling machine, and Figure 3 is a diagram showing a conventional tail seal piece formed in a strip shape. Figure 5 is a diagram showing the tail seal of the present invention consisting of a plurality of tail seal pieces provided at the rear of the shield tunneling machine, Figure 6 is a diagram showing the tail seal piece of the present invention, and Figure 7 is a diagram showing the tail seal of the present invention. The seal pieces are arranged at the rear of the shield frame with gaps in the circumferential direction. In the figure, 1 is the shield frame, 2 is the hole, 3 is the tip,
4 is the inner peripheral surface of the borehole, 5 is the segment, 6 is the tail seal,
7 is a net plate material. 2317 Figure 5 r3
Claims (1)
ル内後方に先端部が適宜延出され、該先端部をトンネル
内周面に張設されるセグメントの外周面と接触させるテ
ールシールにおいて、該テールシールを弾性を有する網
板材を複数枚積層すると共に、その積層された鋼板材の
一端部を上記シールドフレーム側に取り付けられる端部
としてカシメて成形したことを特徴とするシールド掘進
機のテールシール。A tail seal that is provided at the rear of the shield frame, has a tip portion that extends rearward inside the tunnel, and contacts the outer circumferential surface of a segment that is stretched over the inner circumferential surface of the tunnel. A tail seal for a shield excavator, characterized in that a plurality of elastic net plates are laminated, and one end of the laminated steel plates is caulked and formed as an end to be attached to the shield frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7655984U JPS60190895U (en) | 1984-05-26 | 1984-05-26 | Tail seal of shield excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7655984U JPS60190895U (en) | 1984-05-26 | 1984-05-26 | Tail seal of shield excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60190895U true JPS60190895U (en) | 1985-12-18 |
Family
ID=30618810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7655984U Pending JPS60190895U (en) | 1984-05-26 | 1984-05-26 | Tail seal of shield excavator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60190895U (en) |
-
1984
- 1984-05-26 JP JP7655984U patent/JPS60190895U/en active Pending
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