JPS58172585U - Drilling rod for underground excavator - Google Patents
Drilling rod for underground excavatorInfo
- Publication number
- JPS58172585U JPS58172585U JP6874882U JP6874882U JPS58172585U JP S58172585 U JPS58172585 U JP S58172585U JP 6874882 U JP6874882 U JP 6874882U JP 6874882 U JP6874882 U JP 6874882U JP S58172585 U JPS58172585 U JP S58172585U
- Authority
- JP
- Japan
- Prior art keywords
- drilling rod
- tip
- underground excavator
- hollow pile
- 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.)
- Pending
Links
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例を示す構成説明図、第２図および第３図
は本考案の実施例を示す構成および作用説明図である。
１は中空杭、２は穿孔用ロッド、４はスクリュウ、６は
大径部、８はカッタ。FIG. 1 is an explanatory diagram of the configuration of a conventional example, and FIGS. 2 and 3 are explanatory diagrams of the configuration and operation of an embodiment of the present invention. 1 is a hollow pile, 2 is a drilling rod, 4 is a screw, 6 is a large diameter part, and 8 is a cutter.
Claims (1)
り先端部に設けたカッタ８にて中空杭１の先端より下方
を掘削し、この掘削土砂を外周面に設けたスクリュウ４
にて中空杭１内を上方へ搬送するようにした地中掘削機
の穿孔用ロッドにおいて、先端部に、中間の搬送部より
大径にした大径部６を設けたことを特徴とする地中掘削
機の穿孔用ロッド。A screw 4 is inserted into a hollow pile 1 driven into the ground and rotated to excavate the area below the tip of the hollow pile 1 with a cutter 8 provided at the tip, and the excavated earth and sand are provided on the outer peripheral surface of the screw 4.
A drilling rod for an underground excavator, which is adapted to be conveyed upwardly within a hollow pile 1, is characterized in that a large-diameter portion 6 having a larger diameter than an intermediate conveying portion is provided at the tip. Drilling rod for medium excavator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6874882U JPS58172585U (en) | 1982-05-13 | 1982-05-13 | Drilling rod for underground excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6874882U JPS58172585U (en) | 1982-05-13 | 1982-05-13 | Drilling rod for underground excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58172585U true JPS58172585U (en) | 1983-11-18 |
Family
ID=30078500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6874882U Pending JPS58172585U (en) | 1982-05-13 | 1982-05-13 | Drilling rod for underground excavator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58172585U (en) |
-
1982
- 1982-05-13 JP JP6874882U patent/JPS58172585U/en active Pending
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