JPH02120589U - - Google Patents
Info
- Publication number
- JPH02120589U JPH02120589U JP2709989U JP2709989U JPH02120589U JP H02120589 U JPH02120589 U JP H02120589U JP 2709989 U JP2709989 U JP 2709989U JP 2709989 U JP2709989 U JP 2709989U JP H02120589 U JPH02120589 U JP H02120589U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- tube
- bearing block
- rotatable
- axial direction
- 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
- 238000005553 drilling Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の装置の一実施例の断面図、第
２図は第１図における部詳細図、第３図は第１
図に示した装置による方向修正状態を示す図、第
４図は従来の穿孔機の方向修正装置の一例を示す
断面図、第５図は第４図に示した装置による方向
修正状態を示す図である。
１は外管、２はテーパ部、３は傾斜円筒部、４
は外側軸受ブロツク、５は内側軸受ブロツク、６
は円筒状軸受、７はカツタ、８は内管を示す。
Fig. 1 is a sectional view of one embodiment of the device of the present invention, Fig. 2 is a detailed view of the part in Fig. 1, and Fig. 3 is a sectional view of an embodiment of the device of the present invention.
FIG. 4 is a sectional view showing an example of a direction correction device for a conventional drilling machine; FIG. 5 is a view showing a direction correction state by the device shown in FIG. 4. It is. 1 is an outer tube, 2 is a tapered part, 3 is an inclined cylindrical part, 4
is the outer bearing block, 5 is the inner bearing block, and 6 is the outer bearing block.
indicates a cylindrical bearing, 7 indicates a cutter, and 8 indicates an inner tube.
Claims (1)
テーパ部を形成し、該外管の先端部内周に前記テ
ーパ部の軸線と平行な軸線を有する傾斜円筒部を
形成し、先端にカツタを有し且つ回転可能に外管
内に設けた内管の先端部近傍外周に、該内管と同
心で一体に回転する内側軸受ブロツクを設け、該
内側軸受ブロツクの外周に、該内側軸受ブロツク
に対して回転が自在で軸方向への移動が拘束され
且つ外周面が前記傾斜円筒部の軸方向に摺動可能
に嵌合した外側軸受ブロツクを設けたことを特徴
とする穿孔機の方向制御装置。 A tapered part is formed on a part of the outer periphery of the tip of the rotatable outer tube, an inclined cylindrical part having an axis parallel to the axis of the tapered part is formed on the inner periphery of the tip of the outer tube, and a cutter is formed at the tip. An inner bearing block that rotates concentrically and integrally with the inner tube is provided on the outer periphery near the tip of the inner tube, which is rotatably provided in the outer tube. A direction control device for a drilling machine, characterized in that it is provided with an outer bearing block which is rotatable but restrained from moving in the axial direction, and whose outer peripheral surface is slidably fitted in the axial direction of the inclined cylindrical part. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2709989U JPH069108Y2 (en) | 1989-03-09 | 1989-03-09 | Direction control device for punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2709989U JPH069108Y2 (en) | 1989-03-09 | 1989-03-09 | Direction control device for punching machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02120589U true JPH02120589U (en) | 1990-09-28 |
| JPH069108Y2 JPH069108Y2 (en) | 1994-03-09 |
Family
ID=31249313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2709989U Expired - Lifetime JPH069108Y2 (en) | 1989-03-09 | 1989-03-09 | Direction control device for punching machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH069108Y2 (en) |
-
1989
- 1989-03-09 JP JP2709989U patent/JPH069108Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH069108Y2 (en) | 1994-03-09 |
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