JPH0433794U - - Google Patents
Info
- Publication number
- JPH0433794U JPH0433794U JP7304690U JP7304690U JPH0433794U JP H0433794 U JPH0433794 U JP H0433794U JP 7304690 U JP7304690 U JP 7304690U JP 7304690 U JP7304690 U JP 7304690U JP H0433794 U JPH0433794 U JP H0433794U
- Authority
- JP
- Japan
- Prior art keywords
- excavation
- drive shaft
- head
- pipe
- connection
- 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 claims description 9
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
図面は本考案に係る推進ユニツトの先端部構造
の実施例を示し、第１図は推進工法用の引き込み
装置及び推進装置を示す全体側面図、第２図は推
進ユニツトの先端部に連結部材を連結した場合の
拡大縦断面図である。第３図は本考案の別実施例
を示す第２図の一部に相当する図である。
５……推進ユニツト、３……掘削管、１５……
掘削ヘツド、１４……駆動軸、１３……埋設管用
連結部材、２０……連結部、１８……連結用穴、
１９……蓋、１４ａ……掘削ヘツド取付部。
The drawings show an embodiment of the tip structure of the propulsion unit according to the present invention, FIG. 1 is an overall side view showing the retraction device and propulsion device for the propulsion method, and FIG. 2 shows a connecting member at the tip of the propulsion unit. FIG. 3 is an enlarged vertical cross-sectional view when connected. FIG. 3 is a diagram corresponding to a part of FIG. 2 showing another embodiment of the present invention. 5... Propulsion unit, 3... Excavation pipe, 15...
Excavation head, 14... Drive shaft, 13... Connection member for buried pipe, 20... Connection portion, 18... Connection hole,
19...Lid, 14a...Drilling head attachment part.
Claims (1)
掘削管３の軸芯周りに回転自在な掘削ヘツド１５
を設け、前記掘削ヘツド１５に対する駆動回転用
の駆動軸１４を、前記掘削管３に内装し、埋設管
用連結部材１３に対する連結部２０を前記駆動軸
１４に設けてある推進ユニツトの先端部構造であ
つて、前記連結部材１３の前記駆動軸１４への連
結時において前記連結部材１３を挿入可能な大き
さに形成した連結用穴１８を、前記掘削ヘツド１
５に形成すると共に、前記連結用穴１８に対する
開閉自在な蓋１９を設け、前記駆動軸１４に前記
掘削ヘツド１５を取り付けた状態で前記連結部材
１３を連結可能に、前記連結部２０を掘削ヘツド
取付部１４ａとは別に前記駆動軸１４に形成して
ある推進ユニツトの先端部構造。 An excavation head 15 rotatable around the axis of the excavation pipe 3 is attached to the excavation pipe 3 at the tip of the propulsion unit 5.
A drive shaft 14 for driving and rotating the excavation head 15 is installed inside the excavation pipe 3, and a connection part 20 for the buried pipe connection member 13 is provided on the drive shaft 14. A connecting hole 18 formed in a size that allows insertion of the connecting member 13 when connecting the connecting member 13 to the drive shaft 14 is inserted into the excavating head 1.
5, and a lid 19 that can be opened and closed for the connection hole 18 is provided, and the connection part 20 is connected to the excavation head so that the connection member 13 can be connected with the excavation head 15 attached to the drive shaft 14. The tip structure of the propulsion unit is formed on the drive shaft 14 separately from the mounting portion 14a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7304690U JPH0433794U (en) | 1990-07-09 | 1990-07-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7304690U JPH0433794U (en) | 1990-07-09 | 1990-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0433794U true JPH0433794U (en) | 1992-03-19 |
Family
ID=31611530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7304690U Pending JPH0433794U (en) | 1990-07-09 | 1990-07-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0433794U (en) |
-
1990
- 1990-07-09 JP JP7304690U patent/JPH0433794U/ja active Pending
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