JPS63156294U - - Google Patents
Info
- Publication number
- JPS63156294U JPS63156294U JP4901087U JP4901087U JPS63156294U JP S63156294 U JPS63156294 U JP S63156294U JP 4901087 U JP4901087 U JP 4901087U JP 4901087 U JP4901087 U JP 4901087U JP S63156294 U JPS63156294 U JP S63156294U
- Authority
- JP
- Japan
- Prior art keywords
- diameter pipe
- excavation head
- fixing rings
- small
- main body
- 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 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
図面はこの考案の一実施例を示し、第１図は掘
削ヘツド本体の断面図、第２図は同分割状態の断
面図、第３図は連結装置部分の拡大図、第４図は
同斜視図、第５図は作用説明図、第６図イないし
ホ、第７図及び第８図は従来の説明図である。
１……掘削ヘツド本体、２ないし５……部材、
６……連結装置、６ａ，６ｂ……フランジ部、６
ｃ……固定リング、７……固着具。
The drawings show one embodiment of this invention; Fig. 1 is a sectional view of the excavation head main body, Fig. 2 is a sectional view of the same divided state, Fig. 3 is an enlarged view of the coupling device part, and Fig. 4 is a perspective view of the same. 5 are explanatory diagrams of the operation, and FIGS. 6 A to 6, and FIGS. 7 and 8 are conventional explanatory diagrams. 1...Drilling head main body, 2 to 5...Members,
6... Connection device, 6a, 6b... Flange part, 6
c...Fixing ring, 7...Fixing tool.
Claims (1)
ド本体１を、複数個の部材２ないし５により構成
すると共に、各部材２ないし５の間を部材端部に
形成されたフランジ部６ａ，６ｂと、これらフラ
ンジ部６ａ，６ｂを挾着する複数分割された固定
リング６ｃと、これら固定リング６ｃに、各部材
２ないし５の中心方向へ向けて挿通された固定具
７とよりなる連結装置６により切離し自在に連結
してなる小口径管地中埋設機の掘削ヘツド。 The excavation head main body 1, which is propelled into the ground in advance of the small diameter pipe, is composed of a plurality of members 2 to 5, and between each member 2 to 5 is a flange portion 6a formed at the end of the member. 6b, a plurality of divided fixing rings 6c that clamp these flange parts 6a and 6b, and a fixing device 7 that is inserted through these fixing rings 6c toward the center of each member 2 to 5. An excavation head for a small-diameter pipe underground burying machine, which is detachably connected by 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4901087U JPS63156294U (en) | 1987-04-02 | 1987-04-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4901087U JPS63156294U (en) | 1987-04-02 | 1987-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63156294U true JPS63156294U (en) | 1988-10-13 |
Family
ID=30871071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4901087U Pending JPS63156294U (en) | 1987-04-02 | 1987-04-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63156294U (en) |
-
1987
- 1987-04-02 JP JP4901087U patent/JPS63156294U/ja active Pending
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