JPS58140299U - tail seal - Google Patents
tail sealInfo
- Publication number
- JPS58140299U JPS58140299U JP3586882U JP3586882U JPS58140299U JP S58140299 U JPS58140299 U JP S58140299U JP 3586882 U JP3586882 U JP 3586882U JP 3586882 U JP3586882 U JP 3586882U JP S58140299 U JPS58140299 U JP S58140299U
- Authority
- JP
- Japan
- Prior art keywords
- seal
- tail
- seal body
- tail seal
- segment
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係るテールシールの使用状態を示す縦
断面図、第２図は第１図の■−■線矢視した各シール体
内周面の一部分を示す展開図、第３図は第２図の一部の
作用状態を示す拡大図、第４図は第１図の一部分拡大図
、第５図は第１図のｖ−ｖ線矢親図である。
図中、１はシールド掘進機のシールドフレーム、２はシ
ールドフレームの後端部、Ｔはトンネルの内周面、３は
テールシール、３Ｃはテールシールの自由端部、３ｅは
テールシールの最自由端部、Ｓａはセグメント外周面、
？、 ８． ９は千鳥状に設けられた小面群からなる
第１のシール体、１６は棒状シールからなる第２のシー
ル体、１８゜１９は環状に形成されたりツブシールから
なる第３のシール体である。Fig. 1 is a longitudinal cross-sectional view showing the usage state of the tail seal according to the present invention, Fig. 2 is a developed view showing a part of the inner circumferential surface of each seal as viewed from the line ■-■ in Fig. 1, and Fig. 3 is a FIG. 4 is an enlarged view of a part of FIG. 1 showing an operating state, FIG. 5 is an enlarged view of a portion of FIG. 1, and FIG. 5 is a v-v line arrow diagram of FIG. In the figure, 1 is the shield frame of the shield tunneling machine, 2 is the rear end of the shield frame, T is the inner peripheral surface of the tunnel, 3 is the tail seal, 3C is the free end of the tail seal, and 3e is the freemost part of the tail seal. The end, Sa is the segment outer peripheral surface,
? , 8. 9 is a first seal body consisting of a group of facets arranged in a staggered manner, 16 is a second seal body consisting of a rod-shaped seal, and 18° and 19 are third seal bodies formed in an annular shape or consisting of a knob seal. .
Claims (1)
の自由端部が延出され、掘削されたトンネル内周面に沿
って張設されるセグメント外周面に接触しつつシールす
る弾性を有するテールシールにおいて、上記テールシー
ルのセグメント接触面に、その最自由端部側に千鳥状に
隆起して設けられた第１のシール体と、該第１のシール
体の上記掘進機側にその軸方向に沿って所定の長さを有
すると共に周方向に所定間隔を隔てて設けられた第２の
シール体と、該第２のシール体の上記掘進機側に周方向
に沿って環状に形成された第３のシール体とをそれぞれ
設けたことを特徴とするテールシール。A tail whose free end extends into the tunnel excavated from the rear end of the shield excavator, and has elasticity to contact and seal the outer peripheral surface of the segment stretched along the inner peripheral surface of the excavated tunnel. In the seal, a first seal body is provided on the segment contact surface of the tail seal in a staggered manner on the freemost end side thereof, and a first seal body is provided on the segment contact surface of the tail seal in a zigzag manner on the side of the excavator. a second seal body having a predetermined length along the circumferential direction and provided at a predetermined interval in the circumferential direction; A tail seal characterized in that a third seal body is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3586882U JPS58140299U (en) | 1982-03-16 | 1982-03-16 | tail seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3586882U JPS58140299U (en) | 1982-03-16 | 1982-03-16 | tail seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58140299U true JPS58140299U (en) | 1983-09-21 |
Family
ID=30047330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3586882U Pending JPS58140299U (en) | 1982-03-16 | 1982-03-16 | tail seal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58140299U (en) |
-
1982
- 1982-03-16 JP JP3586882U patent/JPS58140299U/en active Pending
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