JPH0571122A - Inclination control method for multi shaft excavator - Google Patents
Inclination control method for multi shaft excavatorInfo
- Publication number
- JPH0571122A JPH0571122A JP26053891A JP26053891A JPH0571122A JP H0571122 A JPH0571122 A JP H0571122A JP 26053891 A JP26053891 A JP 26053891A JP 26053891 A JP26053891 A JP 26053891A JP H0571122 A JPH0571122 A JP H0571122A
- Authority
- JP
- Japan
- Prior art keywords
- excavator
- auger
- tilt
- augers
- axis
- 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
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】この発明は、アースオーガ等の回
転掘削軸を複数本用いて地盤を掘削する多軸掘削機の傾
きおよび傾きの方向を管理するための多軸掘削機の傾斜
管理方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tilt control method for a multi-axis excavator for controlling the tilt and the direction of the tilt of a multi-axis excavator that excavates the ground by using a plurality of rotary excavating shafts such as an earth auger. Regarding
【0002】[0002]
【従来の技術】例えば大深度地下ダム等にあっては、オ
ーガロッドによって削孔しつつ固化材を注入し、多数の
ソイル柱列からなる止水壁を地下に構築する工法が採用
されている。この工法にあっては、工期の短縮等を考慮
して、一回の削孔によって複数のソイル柱を構築するた
めに、複数のオーガロッド等の回転軸を有する多軸掘削
機を使用することが多い。2. Description of the Related Art For example, in a deep underground dam, a construction method is employed in which a solidifying material is injected while drilling holes with an auger rod to construct a water stop wall consisting of many columns of soil underground. .. In this construction method, in consideration of shortening the construction period, etc., use a multi-axis excavator with multiple auger rods and other rotating shafts to construct multiple soil columns by drilling once. There are many.
【0003】一方、このような地下ダムの構築では、止
水壁の連続性、止水性能など品質管理が特に重要であ
る。On the other hand, in the construction of such an underground dam, quality control such as continuity of water blocking wall and water blocking performance is particularly important.
【0004】この品質を十分に確保するには、地盤削孔
中の掘削孔の鉛直度などの孔精度を管理することが必要
である。In order to sufficiently secure this quality, it is necessary to control the hole accuracy such as the verticality of the excavation hole during ground drilling.
【0005】このために従来では、複数のオーガロッド
の内の1本に(例えば3軸掘削機の場合では中央の回転
軸に)傾斜計を設置して得られた傾斜データに基づく鉛
直度管理を行っていた。For this reason, conventionally, verticality control based on tilt data obtained by installing an inclinometer on one of a plurality of auger rods (for example, on a central rotating shaft in the case of a three-axis excavator) Was going on.
【0006】しかしながら、このように複数の回転軸を
代表する1本の回転軸に傾斜計を設置して掘削機全体の
傾斜を管理する方法には、以下に説明する技術的課題が
あった。[0006] However, the method of managing the inclination of the entire excavator by installing the inclinometer on one rotary shaft representing a plurality of rotary shafts as described above has the following technical problems.
【0007】[0007]
【発明が解決しようとする課題】すなわち、複数の回転
軸のうちのそれらを代表する1軸にのみ傾斜計を設置し
ていたため、前記のような大深度の掘削になると、必ず
しも傾斜計が設置された1軸の傾きがすべての回転軸の
傾きを代表して表現しているとはいえず、傾斜計が設置
された1軸と他の回転軸との間に傾きの偏差が生じ、ソ
イル柱列の各ソイル柱間に強度的に充分でない部位が生
じる恐れがあった。That is, since the inclinometer is installed only on one axis that represents them among the plurality of rotary shafts, the inclinometer is not always installed when the deep drilling is performed as described above. It cannot be said that the tilt of one axis that is set represents all the tilts of the rotation axes, and deviation of the tilt occurs between the one axis where the inclinometer is installed and the other rotation axis. There is a possibility that a portion having insufficient strength may occur between the soil columns of the column row.
【0008】この発明は以上の問題を解決するものであ
って、多軸掘削機全体の傾斜を把握し得る多軸掘削機の
傾斜管理方法を提供することを目的としている。The present invention has been made to solve the above problems, and an object of the present invention is to provide a tilt management method for a multi-axis excavator which can grasp the tilt of the entire multi-axis excavator.
【0009】[0009]
【課題を解決するための手段】前記目的を達成するた
め、この発明は、複数の回転軸を有する多軸掘削機の傾
きを管理するための多軸掘削機の傾斜管理方法におい
て、前記回転軸のうち、両側部に配置される2軸に傾斜
計が設けられていることを特徴とする。To achieve the above object, the present invention provides a tilt management method for a multi-axis excavator for managing the tilt of a multi-axis excavator having a plurality of rotary shafts. Among them, inclinometers are provided on two axes arranged on both sides.
【0010】[0010]
【作用】以上の構成によれば、多軸掘削機の両側部に配
置される2本の回転軸に傾斜計が設けられているので、
これらの各回転軸の傾き量とその方向に基づいて多軸掘
削機全体の傾きが容易に把握される。With the above construction, since the inclinometers are provided on the two rotary shafts arranged on both sides of the multi-axis excavator,
The tilt of the entire multi-axis excavator can be easily grasped based on the tilt amount and the direction of each of these rotary shafts.
【0011】[0011]
【実施例】以下、この発明の一実施例を図面を用いて詳
細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.
【0012】図1(a),(b)には、本発明に係る傾
斜管理方法を採用した3軸オーガ削孔機のオーガの構成
を示している。FIGS. 1 (a) and 1 (b) show the structure of an auger of a three-axis auger boring machine adopting the inclination control method according to the present invention.
【0013】図1(a)で、中空円筒状の各オーガ10
には、その外周にスパイラル状に連続する移動翼12お
よび板状の混練翼14が適宜位置に形成されている。In FIG. 1A, each hollow cylindrical auger 10 is provided.
In the outer periphery of the blade, a spiral moving blade 12 and a plate-shaped kneading blade 14 are formed at appropriate positions.
【0014】このオーガ10の上端には回転駆動部16
が多軸装置18を介して接続されており、3本のオーガ
10のそれぞれを回転駆動するようになっている。ま
た、回転駆動部16とこれに接続されている3本のオー
ガ10とは、回転駆動部16の上面に設けられているプ
ーリ20を介して、図示を省略しているベースマシンか
ら延伸されているケーブルによって吊り下げられてい
る。At the upper end of the auger 10, a rotary drive unit 16 is provided.
Are connected via a multi-axis device 18, and each of the three augers 10 is rotationally driven. The rotary drive unit 16 and the three augers 10 connected thereto are extended from a base machine (not shown) via a pulley 20 provided on the upper surface of the rotary drive unit 16. Suspended by a cable that
【0015】図1(b)には、図1(a)のB−B断面
で見た3本のオーガ10の概略横断面図を示す。3本の
オーガ10のうち、両側部に配置されているオーガ10
a,10cには、その軸心部に角型管部22が固定配置
されている。セメントミルク等の固化材は、この角型管
部22を通って注入される。FIG. 1 (b) is a schematic cross-sectional view of the three augers 10 taken along the line BB in FIG. 1 (a). Of the three augers 10, the augers 10 arranged on both sides
A rectangular tube portion 22 is fixedly arranged at the axial center portion of each of a and 10c. A solidifying material such as cement milk is injected through the square tube portion 22.
【0016】前記角型管部22の内部には挿入式傾斜計
30が挿通される。An insertion type inclinometer 30 is inserted into the inside of the rectangular tube portion 22.
【0017】この挿入式傾斜計30は、図2に示すよう
に円筒ロッド状をなし、かつ内部に傾斜センサーを内蔵
した本体30aと、本体30aの上下において本体30
aの両側に突出し、かつ、突出方向に図外のバネ材で付
勢されたガイドローラ30bを備え、この各ガイドロー
ラ30bを前記角型管部22の対角線上の内側に当接す
ることで挿入式傾斜計30の周方向の位置決めを行って
いる。As shown in FIG. 2, the insertion type inclinometer 30 has a main body 30a having a cylindrical rod shape and a built-in inclination sensor, and the main body 30 is provided above and below the main body 30a.
A guide roller 30b is provided which protrudes on both sides of a and is urged by a spring material (not shown) in the protruding direction, and each guide roller 30b is inserted by abutting on the diagonal inner side of the square tube portion 22. The inclinometer 30 is positioned in the circumferential direction.
【0018】挿入式傾斜計30にはケーブル40が設け
られており、その上げ下ろしにより深度方向の任意位置
に設置して測定する。The insertion type inclinometer 30 is provided with a cable 40, which is raised and lowered to be installed at an arbitrary position in the depth direction for measurement.
【0019】次に、前記構成を有する本実施例の作用に
ついて述べると、3軸オーガ削孔機の両側部に配置され
た2本のオーガ10a,10cのそれぞれの軸心に角型
管部22を固定配置し、この角型管部22に挿入式傾斜
計30を挿通させてそれぞれのオーガ10a,10cの
傾きを測定するようにしたので、従来中心軸となるオー
ガ10bの傾きを測定するのみでは把握できなかったオ
ーガ削孔機全体の傾きが把握できる。Next, the operation of the present embodiment having the above-mentioned structure will be described. The rectangular pipe portion 22 is provided at each of the axes of the two augers 10a and 10c arranged on both sides of the triaxial auger drilling machine. Is fixedly arranged, and the inclination of each of the augers 10a and 10c is measured by inserting the insertion type inclinometer 30 into the rectangular tube portion 22, so that only the inclination of the auger 10b, which is the conventional central axis, is measured. The tilt of the whole auger drilling machine, which could not be grasped with, can be grasped.
【0020】すなわち、図3に示すように、3軸オーガ
削孔機が変位している場合には、中心軸となるオーガ1
0bの変位のみでは、3本のオーガ10a,10b,1
0cの全体の変位を知ることはできないが、両側部に位
置する2本のオーガ10a,10cの変位が測定されれ
ば、中心軸となるオーガ10bの変位も前記2本のオー
ガ10a,10cの変位を補間することで得られるの
で、3軸オーガ削孔機全体の変位を知ることができる。That is, as shown in FIG. 3, when the triaxial auger boring machine is displaced, the auger 1 serving as the central axis is formed.
With only 0b displacement, three augers 10a, 10b, 1
It is not possible to know the total displacement of 0c, but if the displacements of the two augers 10a, 10c located on both sides are measured, the displacement of the central auger 10b will also be the same as that of the two augers 10a, 10c. Since it is obtained by interpolating the displacement, the displacement of the entire triaxial auger drilling machine can be known.
【0021】なお、これは、本実施例で述べた3軸の場
合を含む2軸以上のオーガ削孔機あるいは他の回転式多
軸削孔機についても同様に適用し得るものである。This is also applicable to a biaxial or more auger boring machine including the triaxial boring machine described in this embodiment or other rotary multi-axis boring machine.
【0022】また、本実施例にあっては挿入式傾斜計3
0を用いているが、固定式傾斜計としてもよい。さら
に、傾斜計からの測定ケーブルを地上に立ち上げる管路
は本実施例に示す角型断面の管路でなく他の適当な断面
を有する断面の管路とし、また、この管路は回転軸の軸
心以外の適当な位置に配設されてよい。Further, in this embodiment, the insertion type inclinometer 3 is used.
Although 0 is used, a fixed inclinometer may be used. Further, the conduit for raising the measurement cable from the inclinometer to the ground is not the conduit of the rectangular cross section shown in the present embodiment, but the conduit of the cross section having other suitable cross section, and this conduit is the rotary shaft. It may be disposed at an appropriate position other than the axis center of.
【0023】[0023]
【発明の効果】以上実施例によって詳細に説明したよう
に、この発明に係る多軸掘削機の傾斜管理方法にあって
は、多軸掘削機の両側部に配置される2本の回転軸の各
々に傾斜計が設けられているので、これらの各回転軸の
傾き量とその方向が正確に測定でき、多軸掘削機全体の
傾きが容易に把握され、ソイル柱列の直進性を高精度で
管理することができる。As described above in detail with reference to the embodiments, in the tilt management method for a multi-axis excavator according to the present invention, two rotary shafts arranged on both sides of the multi-axis excavator are used. Since each is equipped with an inclinometer, the tilt amount and direction of each of these rotary shafts can be accurately measured, the tilt of the entire multi-axis excavator can be easily grasped, and the straightness of the soil column can be accurately measured. Can be managed at.
【図1】(a)は本発明の一実施例の3軸オーガ削孔機
の要部を示す正面図、(b)は(a)のB−B断面で見
た概略横断面図である。FIG. 1 (a) is a front view showing a main part of a triaxial auger boring machine according to an embodiment of the present invention, and FIG. 1 (b) is a schematic cross-sectional view taken along the line BB of FIG. ..
【図2】挿入式傾斜計を角型管部に挿通させた状態を示
す概略側面図である。FIG. 2 is a schematic side view showing a state in which an insertion type inclinometer is inserted into a rectangular tube portion.
【図3】3軸オーガ削孔機のオーガの変位を示す模式平
面図である。FIG. 3 is a schematic plan view showing displacement of an auger of a triaxial auger boring machine.
10,10a,10b,10c オーガ 22 角型管部 30 挿入式傾斜計 10, 10a, 10b, 10c Auger 22 Square tube 30 Insert type inclinometer
───────────────────────────────────────────────────── フロントページの続き (72)発明者 河野 郁雄 東京都千代田区神田岩本町2番地 成幸工 業株式会社内 (72)発明者 秋田 順一 東京都千代田区神田岩本町2番地 成幸工 業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ikuo Kono 2 Kanda Iwamotocho, Chiyoda-ku, Tokyo Naruyuki Industrial Co., Ltd. (72) Inventor Junichi Akita Kanda Iwamotocho, Chiyoda-ku, Tokyo Naruyuki Industrial Co., Ltd. Within
Claims (1)
を管理するための多軸掘削機の傾斜管理方法において、 前記回転軸のうち、両側部に配置される2軸に傾斜計が
設けられている、 ことを特徴とする多軸掘削機の傾斜管理方法。1. A tilt management method for a multi-axis excavator for managing the tilt of a multi-axis excavator having a plurality of rotary shafts, wherein an inclinometer is provided on each of the two shafts of the rotary shaft. An inclination management method for a multi-axis excavator, which is provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3260538A JP2714285B2 (en) | 1991-09-12 | 1991-09-12 | Multi-axis excavator tilt management method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3260538A JP2714285B2 (en) | 1991-09-12 | 1991-09-12 | Multi-axis excavator tilt management method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0571122A true JPH0571122A (en) | 1993-03-23 |
JP2714285B2 JP2714285B2 (en) | 1998-02-16 |
Family
ID=17349357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3260538A Expired - Lifetime JP2714285B2 (en) | 1991-09-12 | 1991-09-12 | Multi-axis excavator tilt management method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2714285B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010150810A (en) * | 2008-12-25 | 2010-07-08 | Nishimatsu Constr Co Ltd | Implement and method for measuring inclination |
EP2410092A1 (en) * | 2010-07-20 | 2012-01-25 | Bauer Spezialtiefbau GmbH | Device and method for manufacturing vertical walls in a foundation soil |
CN115853501A (en) * | 2022-12-28 | 2023-03-28 | 基康仪器股份有限公司 | Detachable flexible inclinometer positioning guide wheel assembly structure |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01278687A (en) * | 1988-04-29 | 1989-11-09 | Aoki Corp | Measuring method for auger in soil |
-
1991
- 1991-09-12 JP JP3260538A patent/JP2714285B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01278687A (en) * | 1988-04-29 | 1989-11-09 | Aoki Corp | Measuring method for auger in soil |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010150810A (en) * | 2008-12-25 | 2010-07-08 | Nishimatsu Constr Co Ltd | Implement and method for measuring inclination |
EP2410092A1 (en) * | 2010-07-20 | 2012-01-25 | Bauer Spezialtiefbau GmbH | Device and method for manufacturing vertical walls in a foundation soil |
CN115853501A (en) * | 2022-12-28 | 2023-03-28 | 基康仪器股份有限公司 | Detachable flexible inclinometer positioning guide wheel assembly structure |
Also Published As
Publication number | Publication date |
---|---|
JP2714285B2 (en) | 1998-02-16 |
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