JPH0354896U - - Google Patents
Info
- Publication number
- JPH0354896U JPH0354896U JP11269289U JP11269289U JPH0354896U JP H0354896 U JPH0354896 U JP H0354896U JP 11269289 U JP11269289 U JP 11269289U JP 11269289 U JP11269289 U JP 11269289U JP H0354896 U JPH0354896 U JP H0354896U
- Authority
- JP
- Japan
- Prior art keywords
- cutter head
- core cutter
- cutting blade
- view
- overcutting
- 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
- 238000009412 basement excavation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１〜３図は本考案の実施例を示すものであつ
て、第１図は掘削推進状態を示す断面図、第２図
はその側面図、第３図はコアカツターヘツドを発
進坑に引き戻している状態を示す断面図、第４図
はオーバーカツトができないコアカツターヘツド
を用いた場合の掘削状態を示す断面図、第５図は
オーバーカツトによる掘削状態を示す断面図、第
６図は小口径推進機の使用状態を概略的に示す断
面図である。
１……掘削穴、２……埋設管、３……土、１０
……埋設管、１１……コアカツターヘツド、１２
……スクリユー、１３……切削刃、１４……オー
バーカツト用切削刃、１５，１６……ストツパー
、１７……回動軸、１８……取付ねじ、１９……
切削刃又はリード管、２０……吹付穴、２１……
発進坑、２２……到達坑、２３……小口径推進機
、２４……油圧ユニツト。
Figures 1 to 3 show an embodiment of the present invention, in which Figure 1 is a sectional view showing the excavation propulsion state, Figure 2 is a side view thereof, and Figure 3 is a core cutter head placed in a starting hole. Fig. 4 is a cross-sectional view showing the cutting state when using a core cutter head that cannot overcut, Fig. 5 is a cross-sectional view showing the excavating state by overcutting, Fig. 6 FIG. 2 is a cross-sectional view schematically showing how the small-diameter propulsion device is used. 1...Drilled hole, 2...Buried pipe, 3...Soil, 10
... Buried pipe, 11 ... Core cutter head, 12
... Screw, 13 ... Cutting blade, 14 ... Cutting blade for overcut, 15, 16 ... Stopper, 17 ... Rotating shaft, 18 ... Mounting screw, 19 ...
Cutting blade or lead pipe, 20...Blowing hole, 21...
Starting shaft, 22... Arrival shaft, 23... Small diameter propulsion machine, 24... Hydraulic unit.
Claims (1)
の半径方向に所定の範囲内で回動自在になるよう
コアカツターヘツドの外周に枢着したことを特徴
とする、小口径推進機のコアカツターヘツド。 A core cutter head for a small diameter propulsion machine, characterized in that a cutting blade for overcutting is pivotally attached to the outer periphery of the core cutter head so that it can rotate freely within a predetermined range in the radial direction of the core cutter head. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11269289U JPH0354896U (en) | 1989-09-26 | 1989-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11269289U JPH0354896U (en) | 1989-09-26 | 1989-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0354896U true JPH0354896U (en) | 1991-05-27 |
Family
ID=31661135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11269289U Pending JPH0354896U (en) | 1989-09-26 | 1989-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0354896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020111978A (en) * | 2019-01-15 | 2020-07-27 | 植村 誠 | Open shield machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4815934U (en) * | 1971-07-01 | 1973-02-22 |
-
1989
- 1989-09-26 JP JP11269289U patent/JPH0354896U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4815934U (en) * | 1971-07-01 | 1973-02-22 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020111978A (en) * | 2019-01-15 | 2020-07-27 | 植村 誠 | Open shield machine |