JPS6180893U - - Google Patents
Info
- Publication number
- JPS6180893U JPS6180893U JP16578284U JP16578284U JPS6180893U JP S6180893 U JPS6180893 U JP S6180893U JP 16578284 U JP16578284 U JP 16578284U JP 16578284 U JP16578284 U JP 16578284U JP S6180893 U JPS6180893 U JP S6180893U
- Authority
- JP
- Japan
- Prior art keywords
- ring body
- spacer
- pivot joints
- foldable
- ring shape
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図Ａ，Ｂは本考案に係るスペーサの平面図
及び側面図、第２図は単位管内における自走推進
装置とスペーサ撒去装置の例を示す縦断面図、第
３図は推進油圧ジヤツキの例を示す側面図、第４
図Ａ，Ｂは本考案のスペーサが適用される推進工
法の直進及び曲進推進の説明図、第４図Ｃは従来
装置の曲進推進の説明図、第５図はスペーサ撒去
装置の部分縦断側面図、第６図は同正面図である
。
１……スペーサ、２……リンクアーム、３……
枢支連結部、４……折曲式リング体、５……スプ
リング、６……ヒンジ、７……スペーサ本体、１
０……単位管、１１……自走推進装置、１２…ス
ペーサ撒去装置。
Figures 1A and B are a plan view and a side view of a spacer according to the present invention, Figure 2 is a longitudinal sectional view showing an example of a self-propelled propulsion device and a spacer scattering device in a unit pipe, and Figure 3 is a propulsion hydraulic jack. Side view showing an example of
Figures A and B are explanatory diagrams of straight and curved propulsion of the propulsion method to which the spacer of the present invention is applied, Figure 4 C is an explanatory diagram of curved propulsion of the conventional device, and Figure 5 is a part of the spacer scattering device. FIG. 6 is a front view of the longitudinal side view. 1... Spacer, 2... Link arm, 3...
Pivotal connection part, 4...Bendable ring body, 5...Spring, 6...Hinge, 7...Spacer body, 1
0... Unit pipe, 11... Self-propelled propulsion device, 12... Spacer scattering device.
Claims (1)
連結されて折曲式リング体が形成され、前記各枢
支連結部の全部若しくは特定のものには前記折曲
式リング体がリング状に広がる方向に前記リンク
アームを付勢するスプリングが設けられ、前記リ
ング体の正面又は背面のいずれか一方には周方向
に１８０°位置を異にしてヒンジ付スペーサ本体
が突設されていることを特徴とする推進工法用単
位管スペーサ。 A plurality of link arms are connected in a ring shape at pivot joints to form a foldable ring body, and the foldable ring body spreads out in a ring shape at all or a specific one of the pivot joints. A spring is provided for biasing the link arm in the direction, and hinged spacer bodies are provided protruding from either the front or back surface of the ring body at different positions by 180 degrees in the circumferential direction. A unit pipe spacer for the propulsion method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16578284U JPH0344874Y2 (en) | 1984-11-02 | 1984-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16578284U JPH0344874Y2 (en) | 1984-11-02 | 1984-11-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6180893U true JPS6180893U (en) | 1986-05-29 |
| JPH0344874Y2 JPH0344874Y2 (en) | 1991-09-20 |
Family
ID=30723622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16578284U Expired JPH0344874Y2 (en) | 1984-11-02 | 1984-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344874Y2 (en) |
-
1984
- 1984-11-02 JP JP16578284U patent/JPH0344874Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0344874Y2 (en) | 1991-09-20 |