JPH0193288U - - Google Patents
Info
- Publication number
- JPH0193288U JPH0193288U JP18805187U JP18805187U JPH0193288U JP H0193288 U JPH0193288 U JP H0193288U JP 18805187 U JP18805187 U JP 18805187U JP 18805187 U JP18805187 U JP 18805187U JP H0193288 U JPH0193288 U JP H0193288U
- Authority
- JP
- Japan
- Prior art keywords
- packing
- tightening
- wellhead
- shield machine
- short guide
- 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
- 238000012856 packing Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案を実施したシールド機による掘
削の状態を示す縦断側面図、第２図は坑口におけ
るパツキング取付部の拡大断面図、第３図は坑口
部におけるパツキング片の絞締状態を示す正面図
、第４図はガイド短管部の拡大断面図である。
１……シールド機本体、２……パツキング片、
３……パツキング押え片、４……ガイド短管、５
……ワイヤー、６……ボルト・ナツト、Ａ……シ
ールド機、Ｂ……坑口。
Fig. 1 is a longitudinal side view showing the state of excavation by the shield machine implementing the present invention, Fig. 2 is an enlarged sectional view of the packing attachment part at the wellhead, and Fig. 3 shows the state of tightening of the packing piece at the wellhead. The front view and FIG. 4 are enlarged sectional views of the short guide tube section. 1... Shield machine body, 2... Packing piece,
3... Packing presser piece, 4... Short guide tube, 5
...Wire, 6...Bolt/Natsuto, A...Shield machine, B...Digital.
Claims (1)
機本体１の円筒部外周面に摺接するように屈曲自
在な弾性体からなるパツキング片２を設けた装置
において、前記パツキング片２の外面に板ばね金
属等の小片からなる複数のパツキング押え片３，
３……を全周円形配列に設けると共にこの各パツ
キング押え片３の先端又は先端に近い位置にワイ
ヤー締付用のガイド短管４を取付けてこのガイド
短管に締付用ワイヤー５を挿通し絞締めしてなる
ことを特徴とするシールド機用坑口パツキング締
付装置。 (2) 前記ガイド短管４を２連に設けて２段締め
するようにした前記実用新案登録請求の範囲第１
項記載のシールド機用坑口パツキング締付装置。[Claims for Utility Model Registration] (1) In a device in which a packing piece 2 made of a bendable elastic body is provided at the wellhead through which the shield machine A passes, so as to be in sliding contact with the outer peripheral surface of the cylindrical part of the shield machine body 1, A plurality of packing presser pieces 3 made of small pieces of leaf spring metal etc. are provided on the outer surface of the packing piece 2,
3... are provided in a circular arrangement around the entire circumference, and a short guide tube 4 for tightening the wire is attached to the tip or near the tip of each packing presser piece 3, and the tightening wire 5 is inserted into the short guide tube. A wellhead packing tightening device for shield machines, which is characterized by tightening. (2) Claim 1 of the above-mentioned utility model registration, in which the short guide pipes 4 are provided in two series and tightened in two stages.
A wellhead packing tightening device for a shield machine as described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987188051U JPH0630954Y2 (en) | 1987-12-09 | 1987-12-09 | Wellhead packing tightening device for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987188051U JPH0630954Y2 (en) | 1987-12-09 | 1987-12-09 | Wellhead packing tightening device for shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0193288U true JPH0193288U (en) | 1989-06-19 |
| JPH0630954Y2 JPH0630954Y2 (en) | 1994-08-22 |
Family
ID=31479172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987188051U Expired - Lifetime JPH0630954Y2 (en) | 1987-12-09 | 1987-12-09 | Wellhead packing tightening device for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0630954Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014105469A (en) * | 2012-11-27 | 2014-06-09 | Taisei Corp | Tail seal structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60111990U (en) * | 1983-12-29 | 1985-07-29 | 株式会社 奥村組 | Shield machine arrival at the wellhead packing |
-
1987
- 1987-12-09 JP JP1987188051U patent/JPH0630954Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60111990U (en) * | 1983-12-29 | 1985-07-29 | 株式会社 奥村組 | Shield machine arrival at the wellhead packing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014105469A (en) * | 2012-11-27 | 2014-06-09 | Taisei Corp | Tail seal structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0630954Y2 (en) | 1994-08-22 |
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