JPS5816290U - Expanding pile hole drilling equipment - Google Patents
Expanding pile hole drilling equipmentInfo
- Publication number
- JPS5816290U JPS5816290U JP10588681U JP10588681U JPS5816290U JP S5816290 U JPS5816290 U JP S5816290U JP 10588681 U JP10588681 U JP 10588681U JP 10588681 U JP10588681 U JP 10588681U JP S5816290 U JPS5816290 U JP S5816290U
- Authority
- JP
- Japan
- Prior art keywords
- cam
- axial direction
- hole drilling
- outer tube
- pile hole
- 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
Landscapes
- 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図と第２図はこの考案の実施例である拡底杭孔掘削
装置を、拡底翼ビットの収縮状態と拡大状態とに分けて
示す正面図、第３図Ａ、 Ｂは内管と外管の回転力伝達
構造を示す斜視図、第４図は第２図のＩＶ−ＩＶ断面図
、第５図は第２図の■−■断面図、第６図は第２図のＶ
Ｉ−ＶＩ断面図である。
１・・・・・・内管、５・・・・・・フィッシュテイル
刃、６・・・ −・・・先端ビット、３・・・・
・・外管、７・・・・・・雄スプライン、８・・・・・
・スプライン溝、９・・・・・・雌スプライン部材、１
０・・・・・・段部、１１・・・・・・カムプレート、
１２・・・・・・スライドボックス、１３・・・・・・
ブラケット、１４・・・・・・・拡底翼ビット、１８・
・・・・・ローラアーム、１９・・・・・・カムローラ
、２０・・・・・・クロスヘッド、２３・・・・・・連
結ロンド。
第１図
第３図Figures 1 and 2 are front views showing the expanding pile hole drilling equipment which is an embodiment of this invention, with the expanding blade bit in the contracted state and the expanded state, and Figures 3 A and B show the inner and outer pipes. A perspective view showing the rotational force transmission structure of the tube, FIG. 4 is a sectional view taken along IV-IV in FIG. 2, FIG. 5 is a sectional view taken along ■--■ in FIG.
It is a sectional view taken along I-VI. 1...Inner tube, 5...Fishtail blade, 6...--Tip bit, 3...
...Outer tube, 7...Male spline, 8...
・Spline groove, 9...Female spline member, 1
0...Step part, 11...Cam plate,
12...Slide box, 13...
Bracket, 14... Expanded wing bit, 18.
...Roller arm, 19...Cam roller, 20...Cross head, 23...Connection rond. Figure 1 Figure 3
Claims (1)
下端部にフィッシュテイル刃及び先端ピッ−トを取り付
けた外管とを軸方向に滑動可能に、かつ、相互に回転力
を伝達可能に嵌合する。 （ロ）外管の外面軸方向に下方にカムリフトが大となる
形状のカムプレートを固着する。−（ハ）外管及び前記
カムプレートに沿ってその軸方向に昇降自在のスライド
ボックスを嵌挿する。 に）スライドボックスのブラケットに拡底翼ビットを回
動可能に取り付け、拡底翼ビットにおけるローラアーム
先端部のカムローラをカムプレートのカム面に当接させ
る。 （ホ）内管上端部に固着したクロスヘッドと前記拡底翼
ビットの外寄り位置とを連結ロッドで連結する。 一上記（イ）〜（ホ）のとおり構成された拡底杭孔掘削
装置。[Scope of claims for utility model registration] (a) An inner pipe connected to a drive pipe and driven to rotate;
An outer tube having a fishtail blade and a tip pit attached to the lower end is fitted to be slidable in the axial direction and to be able to mutually transmit rotational force. (b) A cam plate with a shape that increases the cam lift is fixed downward in the axial direction on the outer surface of the outer tube. - (c) A slide box that can be raised and lowered in the axial direction is fitted along the outer tube and the cam plate. b) Rotatably attach the expanded wing bit to the bracket of the slide box, and bring the cam roller at the tip of the roller arm of the expanded wing bit into contact with the cam surface of the cam plate. (e) Connect the crosshead fixed to the upper end of the inner tube and the outer position of the expanded wing bit with a connecting rod. 1. A bottom-expanding pile hole drilling device configured as described in (a) to (e) above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10588681U JPS5816290U (en) | 1981-07-16 | 1981-07-16 | Expanding pile hole drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10588681U JPS5816290U (en) | 1981-07-16 | 1981-07-16 | Expanding pile hole drilling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5816290U true JPS5816290U (en) | 1983-02-01 |
| JPS621342Y2 JPS621342Y2 (en) | 1987-01-13 |
Family
ID=29900402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10588681U Granted JPS5816290U (en) | 1981-07-16 | 1981-07-16 | Expanding pile hole drilling equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5816290U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6632087B2 (en) * | 2018-09-20 | 2020-01-15 | 株式会社アクティブ | Hole expanding device |
-
1981
- 1981-07-16 JP JP10588681U patent/JPS5816290U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS621342Y2 (en) | 1987-01-13 |
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