JPH0441594U - - Google Patents
Info
- Publication number
- JPH0441594U JPH0441594U JP8437190U JP8437190U JPH0441594U JP H0441594 U JPH0441594 U JP H0441594U JP 8437190 U JP8437190 U JP 8437190U JP 8437190 U JP8437190 U JP 8437190U JP H0441594 U JPH0441594 U JP H0441594U
- Authority
- JP
- Japan
- Prior art keywords
- tail frame
- auxiliary
- rear end
- auxiliary tail
- frame
- 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
- 238000010276 construction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
図のうち、第１図〜第６図は、本考案の実施例
を説明するための図面であつて、第１図は場所打
ちライニング工法用シールド機の概略縦断面図、
第２図はシールド機テール部の要部縦断面図、第
３図ａ，ｂは膨張シールの配置要領図、第４図ａ
，ｂは膨張シールの動作図、第５図はエアバツグ
と膨張シールの流体圧供給系統図、第６図ａ〜ｆ
は１リング施工を行う間のシールド機テール部の
動作を経時的に示した図面である。第７図及び第
８図は従来の場所打ちコンクリートライニング工
法用シールド掘進機のテール部の要部断面図と横
断面図である。
１……テールフレーム、２……弾性体（エアバ
ツグ）、３……補助テールフレーム、３ａ……補
助テールジヤツキ、４……膨張シール、５……内
型枠、６……妻枠、７……現打設コンクリート、
８……既打設コンクリート、９……テールボイド
、１４……コンクリート打設管、Ｓ……打継ぎ面
。
Among the figures, FIGS. 1 to 6 are drawings for explaining an embodiment of the present invention, and FIG. 1 is a schematic longitudinal sectional view of a shielding machine for cast-in-place lining construction method;
Figure 2 is a vertical cross-sectional view of the main part of the tail section of the shield machine, Figures 3a and b are layout diagrams of the expansion seal, and Figure 4a is
, b is an operation diagram of the inflatable seal, Fig. 5 is a fluid pressure supply system diagram of the air bag and the inflatable seal, and Fig. 6 a to f.
1 is a diagram showing the operation of the tail section of the shielding machine over time during the construction of one ring. FIGS. 7 and 8 are a sectional view and a cross-sectional view of the main part of the tail portion of a conventional shield excavator for cast-in-place concrete lining construction method. 1... Tail frame, 2... Elastic body (air bag), 3... Auxiliary tail frame, 3a... Auxiliary tail jack, 4... Expansion seal, 5... Inner formwork, 6... End frame, 7... Currently poured concrete,
8... Existing poured concrete, 9... Tail void, 14... Concrete pouring pipe, S... Pour joint surface.
Claims (1)
同心円状に設け、該テールフレームと該補助テー
ルフレームとの間にエアバツグ等の弾性体を介装
した場所打ちコンクリートライニング工法用シー
ルド掘進機において、前記補助テールフレームに
補助テールジヤツキを連結し、しかも該補助テー
ルフレームの後端を前記テールフレームの後端近
傍まで延設するとともに、該テールフレームと該
補助テールフレームとの間にあつて、前記弾性体
の後方の補助テールフレームの末端部位に膨拡可
能な膨張シールを円周状に配装したことを特徴と
するシールド掘進機。 In a shield excavator for cast-in-place concrete lining construction, the auxiliary tail frame is provided concentrically inside the tail frame, and an elastic body such as an air bag is interposed between the tail frame and the auxiliary tail frame. An auxiliary tail jack is connected to the auxiliary tail frame, and the rear end of the auxiliary tail frame is extended to the vicinity of the rear end of the tail frame, and the rear end of the auxiliary tail frame is connected to the rear end of the elastic body. A shield excavator characterized in that an expandable expansion seal is disposed circumferentially at the end of an auxiliary tail frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8437190U JP2501077Y2 (en) | 1990-08-07 | 1990-08-07 | Shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8437190U JP2501077Y2 (en) | 1990-08-07 | 1990-08-07 | Shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0441594U true JPH0441594U (en) | 1992-04-08 |
| JP2501077Y2 JP2501077Y2 (en) | 1996-06-12 |
Family
ID=31632802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8437190U Expired - Lifetime JP2501077Y2 (en) | 1990-08-07 | 1990-08-07 | Shield machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2501077Y2 (en) |
-
1990
- 1990-08-07 JP JP8437190U patent/JP2501077Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2501077Y2 (en) | 1996-06-12 |
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