JPS6381996U - - Google Patents
Info
- Publication number
- JPS6381996U JPS6381996U JP17439486U JP17439486U JPS6381996U JP S6381996 U JPS6381996 U JP S6381996U JP 17439486 U JP17439486 U JP 17439486U JP 17439486 U JP17439486 U JP 17439486U JP S6381996 U JPS6381996 U JP S6381996U
- Authority
- JP
- Japan
- Prior art keywords
- shield
- outer shell
- shell structure
- cylindrical
- tunnel excavator
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の縦断側面図、第２図は第１図
Ａ―Ａ線の断面図、第３図は第１図Ｂ―Ｂ線の断
面図、第４図は従来例の縦断側面図、第５図は第
４図Ｃ―Ｃ線の断面図、第６図ａ，ｂ，ｃ，ｄは
同上掘削工程を示す流れ説明図である。
１１……カツターデイスク、１２……ローラカ
ツタ、１３……前方シールド、１４……モータ、
１５……中間胴、１６……中折シール、１７……
後方シールド、１８……推進ジヤツキ（推進装置
）、１９，２０……アンカー装置、２１……切欠
部。
Fig. 1 is a longitudinal side view of the present invention, Fig. 2 is a sectional view taken along line A-A in Fig. 1, Fig. 3 is a sectional view taken along line B-B in Fig. 1, and Fig. 4 is a longitudinal side view of the conventional example. 5 are cross-sectional views taken along line CC in FIG. 4, and FIGS. 6 a, b, c, and d are flow explanatory diagrams showing the same excavation process. 11... Cutter disk, 12... Roller cutter, 13... Front shield, 14... Motor,
15... Intermediate body, 16... Half-fold sticker, 17...
Rear shield, 18... Propulsion jack (propulsion device), 19, 20... Anchor device, 21... Notch.
Claims (1)
デイスクと、複数の円筒状シールドよりなる外殻
構造体とからなり、外殻構造体を構成するアンカ
ー装置をもつ前方シールドと後方シールドとを推
進装置にて接続し、外殻構造体の伸縮動作により
掘削推進が行われるようにしたシールド式円筒形
トンネル掘削機において、 (b) 上記外殻構造体を構成する全ての円筒状シ
ールド、または、前方シールドを除いた他の円筒
状シールドの下部に、切欠部を形成したことを特
徴とするシールド式円筒形トンネル掘削機。[Claims for Utility Model Registration] (a) A front panel consisting of a cutter disk with a large number of roller cutters on the front side and an outer shell structure consisting of a plurality of cylindrical shields, with an anchor device constituting the outer shell structure. In a shield type cylindrical tunnel excavator in which the shield and the rear shield are connected by a propulsion device, and excavation is propelled by the expansion and contraction movement of the outer shell structure, (b) all of the components that constitute the outer shell structure; A shield-type cylindrical tunnel excavator characterized in that a cutout is formed at the bottom of the cylindrical shield or other cylindrical shields other than the front shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17439486U JPH0349192Y2 (en) | 1986-11-13 | 1986-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17439486U JPH0349192Y2 (en) | 1986-11-13 | 1986-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6381996U true JPS6381996U (en) | 1988-05-30 |
| JPH0349192Y2 JPH0349192Y2 (en) | 1991-10-21 |
Family
ID=31112736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17439486U Expired JPH0349192Y2 (en) | 1986-11-13 | 1986-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0349192Y2 (en) |
-
1986
- 1986-11-13 JP JP17439486U patent/JPH0349192Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0349192Y2 (en) | 1991-10-21 |