JPS62163590U - - Google Patents
Info
- Publication number
- JPS62163590U JPS62163590U JP5102886U JP5102886U JPS62163590U JP S62163590 U JPS62163590 U JP S62163590U JP 5102886 U JP5102886 U JP 5102886U JP 5102886 U JP5102886 U JP 5102886U JP S62163590 U JPS62163590 U JP S62163590U
- Authority
- JP
- Japan
- Prior art keywords
- kelly bar
- steady rest
- arms
- annular body
- slide stopper
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
第１図は本考案に係るアースドリルにおけるケ
リーバーの振れ止め装置の一実施例を示す要部縦
断側面図、第２図はその要部平面図、第３図は第
２図Ａ―Ａ断面図、第４図は部分平面図、第５図
は第４図Ｂ―Ｂ断面図、第６図及び第７図は使用
状態を示す概略図、第８図は従来の施工例図であ
る。
４……ケリーバー、５……フロントアタツチメ
ント、６……ドリルバケツト、８……地中孔、９
……ケーシングチユーブ、１０……角孔、１１…
…回転体、１２……環状体、１３……アーム、１
４……スライドストツパ、１５……軸部、３０…
…振れ止め装置。
Fig. 1 is a vertical sectional side view of the essential parts showing an embodiment of the Kelly bar steady rest device in the earth drill according to the present invention, Fig. 2 is a plan view of the essential parts, and Fig. 3 is a sectional view taken along the line AA in Fig. 2. , FIG. 4 is a partial plan view, FIG. 5 is a sectional view taken along line BB in FIG. 4, FIGS. 6 and 7 are schematic diagrams showing the state of use, and FIG. 8 is a diagram of a conventional construction example. 4...Kelly bar, 5...Front attachment, 6...Drill bucket, 8...Underground hole, 9
...Casing tube, 10...Square hole, 11...
...Rotating body, 12... Annular body, 13... Arm, 1
4...Slide stopper, 15...Shaft part, 30...
... Steady rest device.
Claims (1)
の外周部に環状体を回転可能に嵌合するとともに
、該環状体から半径方向の外方へ所定間隔で複数
本のアームを突設し、該アームには長手方向へ摺
動可能、かつ、所定部位に固定可能なスライドス
トツパを装着してなり、該スライドストツパを地
中に埋設したケーシングチユーブ等の支持枠に係
合させてケリーバーの芯出し及び振れ止めをなす
ようにしたことを特徴とするアースドリルにおけ
るケリーバーの振れ止め装置。 An annular body is rotatably fitted to the outer periphery of a rotary body through which the Kelly bar of the earth drill is inserted, and a plurality of arms are provided radially outwardly from the annular body at predetermined intervals, and each arm has a plurality of arms. It is equipped with a slide stopper that can be slid in the longitudinal direction and fixed at a predetermined location, and the slide stopper is engaged with a support frame such as a casing tube buried underground to center the Kelly bar. A steady rest device for a kelly bar in an earth drill, characterized in that it acts as a steady rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5102886U JPH0419100Y2 (en) | 1986-04-05 | 1986-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5102886U JPH0419100Y2 (en) | 1986-04-05 | 1986-04-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62163590U true JPS62163590U (en) | 1987-10-17 |
| JPH0419100Y2 JPH0419100Y2 (en) | 1992-04-28 |
Family
ID=30874922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5102886U Expired JPH0419100Y2 (en) | 1986-04-05 | 1986-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419100Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0540396U (en) * | 1991-10-31 | 1993-06-01 | 株式会社 東京ピア | Excavator Keliva Axial Fixture |
-
1986
- 1986-04-05 JP JP5102886U patent/JPH0419100Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0540396U (en) * | 1991-10-31 | 1993-06-01 | 株式会社 東京ピア | Excavator Keliva Axial Fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0419100Y2 (en) | 1992-04-28 |
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