JPS6436895A - Excavating head for small-bore pipe underground burying machine - Google Patents
Excavating head for small-bore pipe underground burying machineInfo
- Publication number
- JPS6436895A JPS6436895A JP19032287A JP19032287A JPS6436895A JP S6436895 A JPS6436895 A JP S6436895A JP 19032287 A JP19032287 A JP 19032287A JP 19032287 A JP19032287 A JP 19032287A JP S6436895 A JPS6436895 A JP S6436895A
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- pipe
- small
- sand
- earth
- 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
- 239000004576 sand Substances 0.000 abstract 5
- 239000011800 void material Substances 0.000 abstract 3
- 239000002002 slurry Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
PURPOSE: To prevent the flowing in of earth and sand more than needed by attaching a cutter to the front face of a drilling head which excavates the natural ground in front of a small-diameter pipe underground and a plate to the rear side of the cutter so as to eliminate the void produced by the thickness of the cutter. CONSTITUTION: A pilot pipe 5 is buried by driving the pipe 5 by means of an excavator 1 and a small-diameter underground pipe 6 is connected to the rear end of the pipe 5 and buried while the natural ground is excavated by means of an excavating head 8. The excavated earth and sand taken in the head 8 are slurrified and made to flow to an earth and sand tank through a slurry pipe 13. The slurry flowing in the tank is pumped up to an earth/sand separating tank device 10. In addition, a cutter 21 is attached to the front end of a cutter drum 8b provided in front of the excavator body and a plate 23 which is thinner in thickness than the cutter 21 is attached to the rear side of the cutter 21 so as to prevent the formation of a void on the rear side of the cutter and flowing in of excavated earth and sand in the void when the cutter 21 excavates the natural ground. Therefore, the burying work of the small- diameter pipe 6 can be executed easily and inexpensively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19032287A JPH07116916B2 (en) | 1987-07-31 | 1987-07-31 | Excavation head of small diameter pipe underground burial machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19032287A JPH07116916B2 (en) | 1987-07-31 | 1987-07-31 | Excavation head of small diameter pipe underground burial machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6436895A true JPS6436895A (en) | 1989-02-07 |
| JPH07116916B2 JPH07116916B2 (en) | 1995-12-18 |
Family
ID=16256248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19032287A Expired - Lifetime JPH07116916B2 (en) | 1987-07-31 | 1987-07-31 | Excavation head of small diameter pipe underground burial machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07116916B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010517439A (en) * | 2007-01-24 | 2010-05-20 | イマコー・エルエルシー | Simplified control for implementing depth-based gain control in ultrasonic equipment |
-
1987
- 1987-07-31 JP JP19032287A patent/JPH07116916B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010517439A (en) * | 2007-01-24 | 2010-05-20 | イマコー・エルエルシー | Simplified control for implementing depth-based gain control in ultrasonic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07116916B2 (en) | 1995-12-18 |
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