JPS61198397U - - Google Patents
Info
- Publication number
- JPS61198397U JPS61198397U JP8349985U JP8349985U JPS61198397U JP S61198397 U JPS61198397 U JP S61198397U JP 8349985 U JP8349985 U JP 8349985U JP 8349985 U JP8349985 U JP 8349985U JP S61198397 U JPS61198397 U JP S61198397U
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- propulsion device
- wall
- cylindrical
- shaft
- 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
- 230000000630 rising effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の一実施例の正面断面図、第２
図は第１図の―矢視図、第３図及び第４図は
この実施例の使用方法を示す断面略図、第５図は
コンクリートセグメントの斜視図、第６図及び第
７図は従来例の使用状況を示す断面略図である。
１…土留部、２…刃先部、３…棚板、７…エレ
メント、８…キイエレメント、１０…壁体、１１
…ジヤツキ。
Fig. 1 is a front cross-sectional view of one embodiment of the present invention;
The figure is a view taken in the direction of the - arrow in Fig. 1, Figs. 3 and 4 are cross-sectional diagrams showing how to use this embodiment, Fig. 5 is a perspective view of a concrete segment, and Figs. 6 and 7 are conventional examples. 2 is a schematic cross-sectional view showing the usage status of DESCRIPTION OF SYMBOLS 1... Retaining part, 2... Cutting edge part, 3... Shelf board, 7... Element, 8... Key element, 10... Wall body, 11
...Jyatsuki.
Claims (1)
の円筒状の刃先部２と、この刃先部２内面に突出
する棚板３とを備え、地中に構築された筒状の壁
体１０の下端に外装され、この壁体１０の下面と
上記棚板３の間に装着されたジヤツキ１１により
壁体１０下側に押し下げられて壁体１０下部を掘
削するための縦坑用推進装置において、上記土留
部１と刃先部２は上下に分割可能に連結され、上
記刃先部２は周方向に複数のエレメント７，８が
分割可能に連結されてなつていることを特徴とす
る縦坑用推進装置。 (2) 上記エレメント７，８の内、少なくとも一
つはその両端部に内側に広がるテーパを有し、内
側に引き出し可能に形成されたキイエレメント８
になつていることを特徴とする実用新案登録請求
の範囲第１項記載の縦坑用推進装置。[Claims for Utility Model Registration] (1) Comprising a cylindrical retaining portion 1, a cylindrical cutting edge portion 2 on the lower side of the retaining portion 1, and a shelf plate 3 protruding from the inner surface of the cutting edge portion 2, The wall 10 is pushed down to the lower side of the wall 10 by a jack 11 mounted on the lower end of the cylindrical wall 10 constructed underground and mounted between the lower surface of the wall 10 and the shelf board 3. In a propulsion device for a shaft for excavating a lower part, the earth retaining part 1 and the cutting edge part 2 are connected so as to be vertically divisible, and the cutting edge part 2 has a plurality of elements 7 and 8 connected in a circumferential direction so as to be divisible. A propulsion device for vertical shafts that is characterized by a rising shape. (2) At least one of the elements 7 and 8 has a taper that spreads inward at both ends thereof, and a key element 8 formed so as to be able to be drawn out inward.
A vertical shaft propulsion device according to claim 1, characterized in that the shaft propulsion device has the following features:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8349985U JPS61198397U (en) | 1985-06-03 | 1985-06-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8349985U JPS61198397U (en) | 1985-06-03 | 1985-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61198397U true JPS61198397U (en) | 1986-12-11 |
Family
ID=30632184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8349985U Pending JPS61198397U (en) | 1985-06-03 | 1985-06-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61198397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0372194A (en) * | 1989-08-12 | 1991-03-27 | Nitsusoo:Kk | Hole excavation method and jig for excavation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59179993A (en) * | 1983-03-30 | 1984-10-12 | 三井建設株式会社 | Method of constructing shaft |
-
1985
- 1985-06-03 JP JP8349985U patent/JPS61198397U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59179993A (en) * | 1983-03-30 | 1984-10-12 | 三井建設株式会社 | Method of constructing shaft |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0372194A (en) * | 1989-08-12 | 1991-03-27 | Nitsusoo:Kk | Hole excavation method and jig for excavation |
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