JPH0179690U - - Google Patents
Info
- Publication number
- JPH0179690U JPH0179690U JP1987173620U JP17362087U JPH0179690U JP H0179690 U JPH0179690 U JP H0179690U JP 1987173620 U JP1987173620 U JP 1987173620U JP 17362087 U JP17362087 U JP 17362087U JP H0179690 U JPH0179690 U JP H0179690U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- cylindrical body
- cylinder
- end surface
- center
- 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
- 238000005553 drilling Methods 0.000 claims 2
Landscapes
- Earth Drilling (AREA)
Description
図面は本考案の一実施例を示すものであつて、
第１図は本考案装置の正面図、第２図は第１図
―線の断面図、第３図は本考案装置の底面図で
ある。
１……筒体、２……切刃部、３……回転軸、４
……内輪、５……取付盤、６……支杆。
The drawings show one embodiment of the present invention,
FIG. 1 is a front view of the device of the present invention, FIG. 2 is a sectional view taken along the line of FIG. 1, and FIG. 3 is a bottom view of the device of the present invention. 1... Cylindrical body, 2... Cutting blade portion, 3... Rotating shaft, 4
... Inner ring, 5 ... Mounting board, 6 ... Support rod.
Claims (1)
、上端面に回転軸３を取りつけた穿孔機において
、前記筒体の上面中央部に形成された軸受９に挿
通した回転軸３の延長線を該筒体内の中心におい
て伸縮自在に垂下させ該回転軸３の先端を尖鋭と
し、かつ、該先端部が前記筒体１の下端面の水平
線より筒外に僅か許り突出させると共に前記回転
軸３を中心として支承形成した内輪４を前記筒体
１内に設け、該回転軸３を軸芯として同一軌跡に
筒体の切刃部を回転させて穿孔するよう構成した
アースオーガにおける穿孔装置。 In a drilling machine in which uneven cutting blades 2 are alternately provided on the lower end surface of a cylinder 1 and a rotating shaft 3 is attached to the upper end surface, the rotating shaft 3 is inserted into a bearing 9 formed in the center of the upper surface of the cylinder. The extension line of the rotary shaft 3 is made to extend and contract freely at the center of the cylindrical body, and the tip of the rotating shaft 3 is made sharp, and the tip protrudes slightly outside the cylinder from the horizontal line of the lower end surface of the cylindrical body 1. In an earth auger, an inner ring 4 supported around the rotating shaft 3 is provided in the cylindrical body 1, and the cutting edge of the cylindrical body is rotated in the same locus with the rotating shaft 3 as the axis to perform drilling. perforation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987173620U JPH0179690U (en) | 1987-11-12 | 1987-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987173620U JPH0179690U (en) | 1987-11-12 | 1987-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0179690U true JPH0179690U (en) | 1989-05-29 |
Family
ID=31465520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987173620U Pending JPH0179690U (en) | 1987-11-12 | 1987-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0179690U (en) |
-
1987
- 1987-11-12 JP JP1987173620U patent/JPH0179690U/ja active Pending