JPH0681593A - Segment joint - Google Patents
Segment jointInfo
- Publication number
- JPH0681593A JPH0681593A JP4234769A JP23476992A JPH0681593A JP H0681593 A JPH0681593 A JP H0681593A JP 4234769 A JP4234769 A JP 4234769A JP 23476992 A JP23476992 A JP 23476992A JP H0681593 A JPH0681593 A JP H0681593A
- Authority
- JP
- Japan
- Prior art keywords
- segment
- joint
- fastener
- convex
- fastener joint
- 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
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はシールド工法において、
シールド掘進機の掘進した後に組付けられるセグメント
の継手に係るものである。The present invention relates to a shield construction method,
The present invention relates to a joint of a segment that is assembled after the shield machine is excavated.
【０００２】[0002]
【従来の技術】従来のセグメントの組立は１ピース宛、
継手部に設けられたボルト穴を合わせて１本宛ボルトを
挿貫、緊結して行なわれている。2. Description of the Related Art Conventional segment assembly is for one piece
This is done by inserting and tightening a single bolt with the bolt holes provided in the joint portion aligned.
【０００３】[0003]
【発明が解決しようとする課題】このため、前記従来の
セグメント組立には多大の労力と時間を要し、工期が長
びくという問題があった。本発明は前記従来技術の有す
る問題に鑑みて提案されたもので、その目的とする処
は、セグメント組立手間と時間が大幅に短縮されるセグ
メント継手を提供する点にある。For this reason, there has been a problem that the conventional segment assembly requires a great deal of labor and time and the construction period is long. The present invention has been proposed in view of the above problems of the prior art, and an object thereof is to provide a segment joint in which the labor and time for assembling the segment are significantly reduced.
【０００４】[0004]
【課題を解決するための手段】前記の目的を達成するた
め、本発明に係るセグメント継手は、円周方向に相隣る
弧状セグメントのうち、一方のセグメントの接合端面
に、先細り状の凸型ファスナー継手を突設するととも
に、他方のセグメントの接合端面に前記凸型ファスナー
継手部と係合する先細り状の凹型ファスナー継手部を穿
設して構成されている。In order to achieve the above-mentioned object, a segment joint according to the present invention has a tapering convex type on a joining end face of one of arc-shaped segments adjacent to each other in the circumferential direction. A fastener joint is provided so as to project, and a tapered concave fastener joint portion that engages with the convex fastener joint portion is bored on the joint end surface of the other segment.
【０００５】[0005]
【作用】本発明は前記したように構成されているので、
セグメントリングの組立に継手ボルトを使用しないで、
接合すべきセグメントのうち、一方のセグメントの接合
端面に設けられた先細り状の凹型または凸型ファスナー
に、他方のセグメントの先細り状の凸型または凹型ファ
スナーを差し込んで両ファスナーを楔止するだけで前記
セグメントが簡単に接合され、セグメントリングが完成
される。Since the present invention is constructed as described above,
Do not use joint bolts to assemble the segment ring,
Of the segments to be joined, simply insert the tapered convex or concave fastener of the other segment into the tapered concave or convex fastener provided on the joining end surface of one segment, and wedge both fasteners together. The segments are simply joined to complete the segment ring.
【０００６】[0006]
【実施例】以下本発明を図示の実施例について説明す
る。Ａは円弧状のセグメントで、その一端接合面には先
細り状の凸型ファスナー継手部１が突設され、他端接合
面には先細り状の凹型ファスナー継手部２が穿設されて
いる。The present invention will be described below with reference to the illustrated embodiments. Reference numeral A denotes an arc-shaped segment, one end joining surface of which is provided with a tapered convex fastener joint portion 1 and the other end joining surface thereof being provided with a tapered concave fastener joint portion 2.
【０００７】図示の実施例は前記したように構成されて
いるので、シールド掘進機のテール部において、坑口側
より１ピース目のセグメントＡの凹型ファスナー継手部
２に、２ピース目のセグメントＡの凸型ファスナー継手
部１を差し込み、以下前記の動作を１リング組立に必要
なピース分繰り返えす。Since the illustrated embodiment is constructed as described above, in the tail portion of the shield machine, the concave fastener joint portion 2 of the segment A of the first piece from the wellhead side is connected to the concave fastener joint portion 2 of the second piece of the segment A. The convex fastener joint portion 1 is inserted, and the above operation is repeated for one piece required for one ring assembly.
【０００８】[0008]
【発明の効果】本発明によれば前記したように、接合す
べきセグメントの接合面に、互いに係合すべき先細り状
の凸型ファスナー及び凹型ファスナーを設けたことによ
って、セグメントの組立手間、時間が大幅に短縮され、
セグメント接合用の縦ボルトが不要となり、施工性が向
上され、施工時間が大幅に節減される。As described above, according to the present invention, the taper-shaped convex fastener and concave fastener to be engaged with each other are provided on the joint surfaces of the segments to be joined. Is greatly shortened,
Longitudinal bolts for segment joining are not required, workability is improved, and construction time is greatly reduced.
【図１】本発明に係るセグメント継手の一実施例を示す
斜視図である。FIG. 1 is a perspective view showing an embodiment of a segment joint according to the present invention.
【図２】セグメントの凸型ファスナー継手部の端面を示
す正面図である。FIG. 2 is a front view showing an end face of a convex fastener joint portion of a segment.
【図３】図２の縦断面である。FIG. 3 is a vertical cross section of FIG.
【図４】セグメントの凹型ファスナー継手部の端面を示
す正面図である。FIG. 4 is a front view showing an end face of a concave fastener joint portion of a segment.
【図５】図４の縦断面図である。5 is a vertical cross-sectional view of FIG.
Ａ セグメント １ 凸型ファスナー継手部 ２ 凹型ファスナー継手部 A segment 1 Convex fastener joint 2 Concave fastener joint
フロントページの続き (72)発明者 蒔田 充男 東京都渋谷区千駄ヶ谷四丁目６番15号 株 式会社フジタ内 (72)発明者 檜垣 和弘 東京都渋谷区千駄ヶ谷四丁目６番15号 株 式会社フジタ内 (72)発明者 吉野 広司 東京都渋谷区千駄ヶ谷四丁目６番15号 株 式会社フジタ内 (72)発明者 和気 輝幸 東京都渋谷区千駄ヶ谷四丁目６番15号 株 式会社フジタ内Front page continuation (72) Inventor Mitsuo Makita 4-6-15 Sendagaya, Shibuya-ku, Tokyo Inside Fujita Co., Ltd. (72) Inventor Kazuhiro Higaki 4-6-15 Sendagaya, Shibuya-ku, Tokyo Inside Fujita Co., Ltd. (72) Inventor Koji Yoshino 4-6-15 Sendagaya, Shibuya-ku, Tokyo Within Fujita Co., Ltd. (72) Inventor Teruyuki Wake 4-6-15 Sendagaya, Shibuya-ku, Tokyo Within Fujita Co., Ltd.
Claims (1)
ち、一方のセグメントの接合端面に、先細り状の凸型フ
ァスナー継手を突設するとともに、他方のセグメントの
接合端面に前記凸型ファスナー継手部と係合する先細り
状の凹型ファスナー継手部を穿設してなることを特徴と
するセグメント継手。1. An arcuate segment adjacent to each other in the circumferential direction is provided with a taper-shaped convex fastener joint projecting on the joint end surface of one segment and the convex fastener joint on the joint end surface of the other segment. A segment joint characterized in that a tapered concave fastener joint portion that engages with the portion is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4234769A JPH0681593A (en) | 1992-09-02 | 1992-09-02 | Segment joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4234769A JPH0681593A (en) | 1992-09-02 | 1992-09-02 | Segment joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0681593A true JPH0681593A (en) | 1994-03-22 |
Family
ID=16976080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4234769A Pending JPH0681593A (en) | 1992-09-02 | 1992-09-02 | Segment joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0681593A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006207754A (en) * | 2005-01-31 | 2006-08-10 | Takiron Co Ltd | Existing pipeline repairing structure |
| JP2013124523A (en) * | 2011-12-16 | 2013-06-24 | Nippon Hume Corp | Segment joint structure |
| JP2019199795A (en) * | 2018-05-11 | 2019-11-21 | Ｎｅｘｔ Ｉｎｎｏｖａｔｉｏｎ合同会社 | Fitting |
-
1992
- 1992-09-02 JP JP4234769A patent/JPH0681593A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006207754A (en) * | 2005-01-31 | 2006-08-10 | Takiron Co Ltd | Existing pipeline repairing structure |
| JP2013124523A (en) * | 2011-12-16 | 2013-06-24 | Nippon Hume Corp | Segment joint structure |
| JP2019199795A (en) * | 2018-05-11 | 2019-11-21 | Ｎｅｘｔ Ｉｎｎｏｖａｔｉｏｎ合同会社 | Fitting |
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