JPH052079B2 - - Google Patents
Info
- Publication number
- JPH052079B2 JPH052079B2 JP5296087A JP5296087A JPH052079B2 JP H052079 B2 JPH052079 B2 JP H052079B2 JP 5296087 A JP5296087 A JP 5296087A JP 5296087 A JP5296087 A JP 5296087A JP H052079 B2 JPH052079 B2 JP H052079B2
- Authority
- JP
- Japan
- Prior art keywords
- fixed sleeve
- drilling
- rotary drive
- drive unit
- outer periphery
- 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.)
- Expired - Lifetime
Links
- 238000005553 drilling Methods 0.000 claims description 41
- 238000005520 cutting process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は削孔装置、特に斜面に垂直に削孔する
ことが出来る削孔装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a drilling device, and particularly to a drilling device capable of drilling a hole perpendicular to a slope.
（従来装置）
従来平坦地を除く斜面状の地形部に基礎杭や山
留め杭等を打ち込む目的で削孔を必要とする場合
には第６図に示すように斜面１に仮設桟橋２を構
築するか或いは第７図に示すように斜面１の土砂
を段切り掘削してその上に回転式又は回転打撃式
の削孔機３を搭載固定して削孔している。(Conventional equipment) When it is necessary to drill holes for the purpose of driving foundation piles, retaining piles, etc. in slope-like topographic areas other than flat areas, a temporary pier 2 is constructed on the slope 1 as shown in Figure 6. Alternatively, as shown in FIG. 7, the earth and sand on the slope 1 is excavated in stages, and a rotary or rotary impact type hole drilling machine 3 is mounted and fixed thereon to drill holes.
この削孔の為の仮設工事は削孔機３の大きさ、
削孔仕様等により規模の大小はあるが工事量全体
の20〜30％を占める場合があり、特に１本当たり
の削孔長が比較的浅い場合はこの割合が更に増加
することになる。 The temporary construction work for this drilling is based on the size of the drilling machine 3,
Although the scale varies depending on the drilling specifications, etc., it may account for 20 to 30% of the total construction work, and this percentage will increase further, especially if the length of each hole to be drilled is relatively shallow.
（発明の目的）
本発明の目的は上記のような欠点を除去した削
孔装置を得るにある。(Object of the Invention) An object of the present invention is to obtain a drilling device that eliminates the above-mentioned drawbacks.
（発明の構成）
本発明の削孔装置は回転駆動部と、この回転駆
動部から下方に延びる回転出力軸と、この回転出
力軸の下端に設けられた削孔用具と、前記回転駆
動部の外周に間隙を介して嵌合される所定長さの
固定スリーブ管と、この固定スリーブ管の下端外
周に突出せしめた固定用突出部と、前記固定スリ
ーブ管の内周面にその上端から下方に延びるよう
に突出して設けた帯状突起と、この帯状突起に係
合するよう前記回転駆動部の外周面に突出して設
けたストツパーとより成ることを特徴とする。(Structure of the Invention) A drilling device of the present invention includes a rotation drive section, a rotation output shaft extending downward from the rotation drive section, a drilling tool provided at the lower end of the rotation output shaft, and a rotation drive section. A fixed sleeve tube of a predetermined length that is fitted to the outer periphery of the fixed sleeve tube through a gap, a fixing protrusion that protrudes from the outer circumference of the lower end of the fixed sleeve tube, and a fixed sleeve tube that extends downwardly from the upper end to the inner circumferential surface of the fixed sleeve tube. It is characterized by comprising a band-shaped protrusion that extends so as to protrude, and a stopper that protrudes and is provided on the outer circumferential surface of the rotary drive unit so as to engage with the band-shaped protrusion.
（発明の実施例） 以下図面によつて本発明の実施例を説明する。(Example of the invention) Embodiments of the present invention will be described below with reference to the drawings.
本発明においては第１図に示すようにクレーン
４を用い、このクレーン４のクレーンブーム５よ
りロープ６を介して削孔装置７を吊下し、この削
孔装置７により削孔を必要とする斜面１に孔を設
けるようにする。 In the present invention, as shown in FIG. 1, a crane 4 is used, and a hole-drilling device 7 is suspended from the crane boom 5 of this crane 4 via a rope 6. A hole is provided on the slope 1.
本発明の削孔装置７は第２図、第３図に示すよ
うにクレーン４のロープ６により吊下される回転
駆動部８と、この回転駆動部８の中心から下方に
延びる回転出力軸９と、この回転出力軸９の下端
に設けられたボタンビツト等の削孔用具１０と、
前記回転駆動部８の外周に若干の間隙を介して嵌
合されるよう前記回転駆動部８の上部から前記削
孔用具部分まで下方に延びる固定スリーブ管１２
と、この固定スリーブ管１２の下端外周に例えば
互いに180°離間した位置から水平方向に延びるよ
うに設けた一対の固定アーム１３と、前記固定ス
リーブ管１２の下部に設けた掘屑吐出口１４と、
前記固定スリーブ管１２の内周面にその上端から
所定ストローク長さだけ下方に延びるよう例えば
互いに180°離間した位置で内方に突出して設けた
帯状突起１５と、この帯状突起１５の側面に係合
するよう前記回転駆動部８の外周面に互いに180°
離間した位置で外方に突出するように設けたスト
ツパー１６とにより構成する。 As shown in FIGS. 2 and 3, the drilling device 7 of the present invention includes a rotary drive section 8 suspended by a rope 6 of a crane 4, and a rotary output shaft 9 extending downward from the center of the rotary drive section 8. and a drilling tool 10 such as a button bit provided at the lower end of the rotation output shaft 9,
A fixed sleeve pipe 12 extends downward from the upper part of the rotary drive part 8 to the drilling tool part so as to be fitted to the outer periphery of the rotary drive part 8 with a slight gap therebetween.
A pair of fixed arms 13 are provided on the outer periphery of the lower end of the fixed sleeve pipe 12 so as to extend horizontally from positions spaced apart from each other by, for example, 180 degrees, and a scrap discharge port 14 is provided at the lower part of the fixed sleeve pipe 12. ,
A band-shaped protrusion 15 is provided on the inner circumferential surface of the fixed sleeve tube 12 so as to extend downward by a predetermined stroke length from the upper end thereof and protrude inwardly at positions spaced apart from each other by, for example, 180°, and a side surface of the band-shaped protrusion 15 is engaged with the inner circumferential surface of the fixed sleeve tube 12. 180° to the outer circumferential surface of the rotary drive unit 8 so as to fit together.
The stopper 16 is provided so as to protrude outward at a spaced apart position.
本発明の削孔装置は上記のような構成であるか
らその使用に際しては先ず斜面１の削孔地点に固
定スリーブ管１２が鉛直に立つ程度のスペースを
手掘りし更に固定アーム１３を斜面１の等高線上
で収容出来る程度の幅で係合溝を手掘りする。 Since the drilling device of the present invention has the above-mentioned configuration, when using it, first, a space is manually dug at the drilling point on the slope 1 such that the fixed sleeve pipe 12 stands vertically, and then the fixed arm 13 is placed on the slope 1. Dig an engagement groove by hand to a width that can be accommodated on the contour line.
次にクレーン４によつてロープ６を介して削孔
装置７を吊下し、削孔用具１０を削孔地点に設置
し、前記係合溝内に削孔装置７の固定アーム１３
を係合せしめ、この状態で回転駆動部８を駆動せ
しめる。 Next, the drilling device 7 is suspended by the crane 4 via the rope 6, the drilling tool 10 is installed at the drilling point, and the fixed arm 13 of the drilling device 7 is placed in the engagement groove.
are engaged, and in this state, the rotation drive unit 8 is driven.
この結果回転出力軸９の回転と共に回転駆動部
８も一体に回転するが、回転駆動部８のストツパ
ー１６が固定スリーブ管１２の帯状突起１５と係
合した状態で回転駆動部８の回動が停止し、回転
出力軸９の回転が削孔用具１０に伝達されるよう
になる。 As a result, the rotary drive unit 8 rotates together with the rotation of the rotary output shaft 9, but the rotation of the rotary drive unit 8 is stopped while the stopper 16 of the rotary drive unit 8 is engaged with the band-shaped protrusion 15 of the fixed sleeve tube 12. Then, the rotation of the rotary output shaft 9 is transmitted to the drilling tool 10.
削孔用具１０の回転によつて削孔が開始され、
削孔に伴う掘屑は固定スリーブ管１２の下端開口
より掘屑吐出口１４を介して水、泥水、又は圧気
と共に吐出される。 Drilling is started by rotation of the drilling tool 10,
The cuttings accompanying the drilling are discharged from the lower end opening of the fixed sleeve pipe 12 through the cuttings discharge port 14 along with water, muddy water, or pressurized air.
削孔の進行によつて削孔用具１０と共に回転駆
動部８も固定スリーブ管１２に相対的に下降し、
固定スリーブ管１２の下部に回転駆動部８が位置
されるようになつて削孔の１ストロークが完了さ
れる。即ち固定スリーブ管１２の長さ及び前記固
定スリーブ管１２の内周面に形成される帯状突起
１５の長さが削孔の１ストロークの長さを決定す
る。 As drilling progresses, the rotary drive unit 8 as well as the drilling tool 10 descend relative to the fixed sleeve pipe 12.
The rotary drive unit 8 is positioned at the lower part of the fixed sleeve tube 12, and one stroke of drilling is completed. That is, the length of the fixed sleeve tube 12 and the length of the band-shaped protrusion 15 formed on the inner peripheral surface of the fixed sleeve tube 12 determine the length of one stroke of drilling.
本発明の他の実施例においては第４図、第５図
に示すように一対の固定アーム１３を固定スリー
ブ管１２の下端部外周に嵌合したリング１７の外
周に固定し、このリング１７の内周面に形成した
凹溝１８を固定スリーブ管１２の下端部外周に軸
方向に設けた突出リブ１９に係合することによつ
て前記リング１７が固定スリーブ管１２と相対的
に円周方向には回動しないが軸方向には所定長さ
だけ摺動自在なるようにする。 In another embodiment of the present invention, as shown in FIGS. 4 and 5, a pair of fixed arms 13 are fixed to the outer periphery of a ring 17 fitted to the outer periphery of the lower end of the fixed sleeve tube 12. By engaging a concave groove 18 formed on the inner peripheral surface with a protruding rib 19 provided axially on the outer periphery of the lower end of the fixed sleeve tube 12, the ring 17 is moved in the circumferential direction relative to the fixed sleeve tube 12. Although it does not rotate in the axial direction, it can slide freely by a predetermined length in the axial direction.
この実施例によれば固定アーム１３を固定スリ
ーブ管１２に相対的に軸方向に所定長さだけ移動
出来るので斜面１に対する削孔装置７の初期設定
が容易となる。 According to this embodiment, since the fixed arm 13 can be moved by a predetermined length in the axial direction relative to the fixed sleeve tube 12, initial setting of the drilling device 7 with respect to the slope 1 is facilitated.
（発明の効果）
上記のように本発明削孔装置によれば仮設桟橋
等を構築する必要がなく、又如何なる地点にも極
めて容易に削孔することが出来る大きな利益があ
る。(Effects of the Invention) As described above, the drilling device of the present invention has the great advantage that it is not necessary to construct a temporary pier or the like, and it can extremely easily drill holes at any location.
第１図は本発明の削孔装置の設置状況説明図、
第２図は本発明削孔装置の正面図、第３図は第２
図のＡ−Ａ断面図、第４図は本発明の他の実施例
における削孔装置の要部の正面図、第５図は第４
図のＢ−Ｂ線断面図、第６図、第７図は夫々従来
装置の説明図である。
１……斜面、２……仮設桟橋、３……削孔機、
４……クレーン、５……クレーンジブ、６……ロ
ープ、７……削孔装置、８……回転駆動部、９…
…回転出力軸、１０……削孔用具、１２……固定
スリーブ管、１３……固定アーム、１４……掘屑
吐出口、１５……帯状突起、１６……ストツパ
ー、１７……リング、１８……凹溝、１９……突
出リブ。
FIG. 1 is an explanatory diagram of the installation situation of the drilling device of the present invention,
Figure 2 is a front view of the drilling device of the present invention, and Figure 3 is a front view of the drilling device of the present invention.
4 is a front view of essential parts of a drilling device according to another embodiment of the present invention, and FIG.
The cross-sectional view taken along the line B--B in the figure, FIGS. 6 and 7 are explanatory diagrams of the conventional device, respectively. 1...Slope, 2...Temporary pier, 3...Drilling machine,
4...Crane, 5...Crane jib, 6...Rope, 7...Drilling device, 8...Rotary drive unit, 9...
... Rotating output shaft, 10 ... Drilling tool, 12 ... Fixed sleeve pipe, 13 ... Fixed arm, 14 ... Cuttings discharge port, 15 ... Band-shaped projection, 16 ... Stopper, 17 ... Ring, 18 ...Concave groove, 19...Protruding rib.
Claims (1)
びる回転出力軸と、この回転出力軸の下端に設け
られた削孔用具と、前記回転駆動部の外周に間隙
を介して嵌合される所定長さの固定スリーブ管
と、この固定スリーブ管の下端外周に突出せしめ
た固定用突出部と、前記固定スリーブ管の内周面
にその上端から下方に延びるように突出して設け
た帯状突起と、この帯状突起に係合するよう前記
回転駆動部の外周面に突出して設けたストツパー
とより成ることを特徴とする削孔装置。 ２ 前記突出部が前記固定スリーブ管の下端部外
周で軸の周りには回動しないが軸方向には移動自
在である特許請求の範囲第１項記載の削孔装置。[Scope of Claims] 1. A rotary drive unit, a rotary output shaft extending downward from the rotary drive unit, a drilling tool provided at the lower end of the rotary output shaft, and a hole-drilling tool provided on the outer periphery of the rotary drive unit with a gap therebetween. a fixed sleeve pipe of a predetermined length to be fitted with the fixed sleeve pipe; a fixing protrusion projecting from the outer periphery of the lower end of the fixed sleeve pipe; 1. A drilling device comprising: a band-shaped protrusion; and a stopper protruding from the outer circumferential surface of the rotary drive unit so as to engage with the band-shaped protrusion. 2. The drilling device according to claim 1, wherein the protrusion does not rotate around an axis on the outer periphery of the lower end of the fixed sleeve tube, but is movable in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5296087A JPS63219787A (en) | 1987-03-10 | 1987-03-10 | Drilling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5296087A JPS63219787A (en) | 1987-03-10 | 1987-03-10 | Drilling apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63219787A JPS63219787A (en) | 1988-09-13 |
| JPH052079B2 true JPH052079B2 (en) | 1993-01-11 |
Family
ID=12929457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5296087A Granted JPS63219787A (en) | 1987-03-10 | 1987-03-10 | Drilling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63219787A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4011084A1 (en) * | 1990-04-05 | 1991-10-10 | Boehringer Mannheim Gmbh | SACCHARID-MODIFIED, WATER-SOLUBLE PROTEINS |
| JP2981164B2 (en) | 1996-01-18 | 1999-11-22 | 有限会社河野興業 | Drilling rig |
| JP3640371B2 (en) | 1998-09-07 | 2005-04-20 | 株式会社横山基礎工事 | Rotating reaction force support device for drilling method |
-
1987
- 1987-03-10 JP JP5296087A patent/JPS63219787A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63219787A (en) | 1988-09-13 |
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