JPH0455521A - Widening excavator for excavated ditch - Google Patents

Widening excavator for excavated ditch

Info

Publication number
JPH0455521A
JPH0455521A JP16406490A JP16406490A JPH0455521A JP H0455521 A JPH0455521 A JP H0455521A JP 16406490 A JP16406490 A JP 16406490A JP 16406490 A JP16406490 A JP 16406490A JP H0455521 A JPH0455521 A JP H0455521A
Authority
JP
Japan
Prior art keywords
widening
excavation
bit
excavator
excavated
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
Application number
JP16406490A
Other languages
Japanese (ja)
Other versions
JP2824931B2 (en
Inventor
Masao Arai
政男 荒井
Hiroshi Oya
浩 大矢
Seiichi Harada
誠一 原田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taisei Corp
Original Assignee
Taisei Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Taisei Corp filed Critical Taisei Corp
Priority to JP2164064A priority Critical patent/JP2824931B2/en
Publication of JPH0455521A publication Critical patent/JPH0455521A/en
Application granted granted Critical
Publication of JP2824931B2 publication Critical patent/JP2824931B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/20Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
    • E02F3/205Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

PURPOSE:To improve working efficiency by providing an end excavation bit which rotates about a horizontal axis under the body of an excavator and providing a horizontally movable widening excavation bit which rotates about a horizontal axis in font and in rear of and on the left and right sides of said body. CONSTITUTION:End excavation bits 11 are turned to excavate the ground 3 to form an ordinary excavated ditch 31, after which an extensible rotation axis 21 is extended by a required length so that widening bits 2 are protruded in a horizontal direction to effect widening excavation.

Description

【発明の詳細な説明】 〈産業上の利用分野〉 本発明は掘削溝の前後・左右面を拡幅するための拡幅掘
削機に関するものである。
DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a widening excavator for widening the front, rear, left and right sides of an excavated trench.

〈従来技術の問題点〉 第8図に示すように、連壁剛体基礎の構築等においては
、他方向に壁体を接続する施工方法がある。
<Problems with the Prior Art> As shown in FIG. 8, in the construction of a continuous wall rigid foundation, etc., there is a construction method in which walls are connected in different directions.

〈本発明の目的〉 本発明は上記のような問題点を解決するためになされた
もので、−台で通常掘削と拡幅掘削の両方を行うことが
でき、掘削溝の前後・左右面の拡幅作業の効率及び経済
性の向上を図ることができる掘削溝の拡幅掘削機を提供
することを目的とする。
<Object of the present invention> The present invention was made to solve the above-mentioned problems, and it is possible to perform both normal excavation and widening excavation with a platform, and it is possible to widen the front, rear, left and right sides of the excavated trench. An object of the present invention is to provide an excavator for widening an excavation trench, which can improve work efficiency and economic efficiency.

〈問題点を解決するための手段〉 即ち本発明は、掘削機本体の下部に設けた、水平軸を中
心に回転する先端掘削ビットと、掘削機本体側面の前後
左右に設けた、水平軸を中心に回転し、かつ水平方向に
位置変更可能な拡幅掘削ビットとよりなる、掘削溝の拡
幅掘削機である。
<Means for Solving the Problems> That is, the present invention has a tip drilling bit that rotates around a horizontal axis, which is provided at the bottom of the excavator body, and a horizontal axis that is provided on the front, back, left and right sides of the side of the excavator body. This is a widening excavator for excavating trenches, which consists of a widening excavation bit that rotates centrally and is horizontally repositionable.

〈本発明の説明〉 以下、本発明の詳細な説明する。<Description of the present invention> The present invention will be explained in detail below.

〈イ〉先端ビット(第1図) 本発明の拡幅掘削機は、その本体1の下部に先端ビット
11を装備しである。
<A> Tip bit (FIG. 1) The widening excavator of the present invention is equipped with a tip bit 11 at the bottom of its main body 1.

この先端ビット11は、水平軸を中心に回転するドラム
状部材などの周面に、複数の掘削刃を設けた構造等が考
えられる。
This tip bit 11 may have a structure in which a plurality of digging blades are provided on the circumferential surface of a drum-shaped member or the like that rotates around a horizontal axis.

また、本体1の上部には、掘削土砂を地上部まで排出す
る排泥管12を連通する。
Further, a mud draining pipe 12 for discharging excavated earth and sand to the ground level is connected to the upper part of the main body 1.

〈口〉拡幅ビット 本体1の前後・左右の側面には、複数の拡幅ビット2を
装備する。
<Opening> A plurality of widening bits 2 are equipped on the front, rear, left and right sides of the widening bit main body 1.

この拡幅ビット2は、例えば先端ビット11と同じよう
に、ドラム状部材の周面に複数の掘削刃を設けたものを
使用する。
This widening bit 2 is a drum-shaped member with a plurality of digging blades provided on the circumferential surface, for example, like the tip bit 11.

そして、この拡幅ビット2は、本体1の側面に水平方向
に取り付けた伸縮回転軸21の自由端に固定する。
The widening bit 2 is fixed to the free end of a telescopic rotating shaft 21 horizontally attached to the side surface of the main body 1.

この伸縮回転軸21の基端部は、本体1内に内蔵される
油圧または電動モータ等と連結し、回転可能に構成する
The base end of the telescopic rotation shaft 21 is connected to a hydraulic or electric motor built in the main body 1, and is configured to be rotatable.

また、伸縮回転軸21は、公知の油圧シリンダ機構等に
よって水平方向に伸縮するように構成する。
Further, the telescopic rotary shaft 21 is configured to be horizontally telescopic by a known hydraulic cylinder mechanism or the like.

従って、この伸縮回転軸21を回転、伸縮させることに
よって、拡幅ビット2を回転させ、また水平方向に位置
変更可能とすることができる。
Therefore, by rotating and extending/contracting this telescopic rotary shaft 21, the widening bit 2 can be rotated and its position can be changed in the horizontal direction.

なお、各伸縮回転軸21は、伸縮長さを各々自由に設定
できるように構成する。
Note that each telescopic rotation shaft 21 is configured so that its telescopic length can be set freely.

〈本発明の拡幅掘削機の作動〉 上記のように構成した本発明の拡幅掘削機の作動につい
て説明する。
<Operation of the widening excavator of the present invention> The operation of the widening excavator of the present invention configured as described above will be explained.

(1)通常掘削(第2.3図) 先端ビット11を回転させて、地盤3に通常掘削溝31
を掘削する。
(1) Normal excavation (Figure 2.3) Rotate the tip bit 11 to create a normal excavation groove 3 in the ground 3.
excavate.

掘削作業は、通常掘削溝31内に安定液4を充填しなが
ら行う。
The excavation work is normally performed while filling the excavation groove 31 with the stabilizing liquid 4.

なお、本体1が掘削時に蛇行した場合は、拡幅ビット2
を突出させて、溝壁面に反力をとって本体1の位置修正
を行うことができる。
In addition, if the main body 1 meandered during excavation, use the widening bit 2.
The position of the main body 1 can be corrected by protruding it and taking a reaction force on the groove wall surface.

(2)拡幅掘削(第4〜7図) 所定の深さまで掘削した後、伸縮回転軸21を必要な長
さだけ伸長させて、拡幅ビット2を水平方向に突出させ
、拡幅掘削を行う。
(2) Widening excavation (Figs. 4 to 7) After excavating to a predetermined depth, the telescopic rotary shaft 21 is extended by the required length, the widening bit 2 is made to protrude in the horizontal direction, and widening excavation is performed.

また、第6図に示すように、通常掘削溝31の掘削途中
に、拡幅ビット2を突出させて、中間部のみに拡幅掘削
溝32を掘削することができる。
Further, as shown in FIG. 6, the widening bit 2 is made to protrude during excavation of the normal excavated groove 31, so that the widened excavated groove 32 can be excavated only in the intermediate portion.

さらに、第7図に示すように、拡幅ビット2を段階的に
突出させることによって、多断面の拡幅掘削溝32.3
3を掘削することも可能である。
Furthermore, as shown in FIG. 7, by protruding the widening bit 2 in stages, the widening excavated groove 32.
It is also possible to drill 3.

その他、拡幅ビット2の突出長さを調整することにより
、掘削溝の拡幅中を自由に変更できるため、様々な施工
に対応することができる。
In addition, by adjusting the protruding length of the width widening bit 2, the width of the excavated groove can be changed freely, so that it can correspond to various constructions.

〈本発明の効果〉 本発明は以上説明したようになるので、次のような効果
を期待することができる。
<Effects of the Present Invention> Since the present invention has been described above, the following effects can be expected.

〈イ〉本発明の拡幅掘削機は、先端ビットにより通常掘
削を行うことができ、かつ拡幅ビットを水平方向に突出
させることにより、掘削溝の前後・左右面の拡幅掘削を
行うことができる。
(A) The widening excavator of the present invention can perform normal excavation with the tip bit, and by protruding the widening bit in the horizontal direction, it can perform widening excavation on the front, rear, left and right sides of the excavation trench.

即ち、−台の掘削機で通常掘削と拡幅掘削を連続して行
うことができる。
In other words, normal excavation and widening excavation can be performed successively with a -base excavator.

従って、掘削溝の拡幅作業の効率及び経済性の向上を図
ることができる。
Therefore, it is possible to improve the efficiency and economic efficiency of the work of widening the excavated trench.

〈口〉拡幅″ビットの突出長さを調整することにより、
掘削溝の拡幅中を自由に変更できるため、従来技術にと
られれない新しい様々な施工に対応することができる。
By adjusting the protruding length of the ``mouth widening'' bit,
Since the width of the excavated trench can be changed freely, it is possible to respond to a variety of new construction projects that are not possible using conventional techniques.

〈ハ〉掘削機本体が掘削時に蛇行した場合は、拡幅ビッ
トを突出させて、溝壁面に反力をとって本体の位置修正
を行うことができる。
<C> If the excavator main body meanders during excavation, the position of the main body can be corrected by protruding the widening bit and taking reaction force from the groove wall surface.

【図面の簡単な説明】[Brief explanation of drawings]

第1図二本発明の拡幅掘削機の説明図 節2.3図:通常掘削の説明図 第4〜7図:拡幅掘削の施工例の説明図第8図:拡@掘
削施工例の説明図 第8図 \ 第6 図 / 第7 図
Fig. 1 2 An explanatory diagram of the widening excavator of the present invention Section 2.3 Fig. 3: An explanatory diagram of normal excavation Figs. 4 to 7: An explanatory diagram of a construction example of widening excavation Fig. 8: An explanatory diagram of an example of widening @ excavation construction Figure 8\ Figure 6/ Figure 7

Claims (1)

【特許請求の範囲】[Claims] (1)掘削機本体の下部に設けた、水平軸を中心に回転
する先端掘削ビットと、 掘削機本体側面の前後左右に設けた、水平軸を中心に回
転し、かつ水平方向に位置変更可能な拡幅掘削ビットと
よりなる、 掘削溝の拡幅掘削機。
(1) The tip drilling bit is located at the bottom of the excavator body and rotates around a horizontal axis, and the excavator bit is installed on the front, back, left and right sides of the excavator body and rotates around a horizontal axis and can be repositioned horizontally. A widening excavator for excavating trenches, consisting of a widening drilling bit.
JP2164064A 1990-06-25 1990-06-25 Drilling trench widening excavator Expired - Lifetime JP2824931B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2164064A JP2824931B2 (en) 1990-06-25 1990-06-25 Drilling trench widening excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2164064A JP2824931B2 (en) 1990-06-25 1990-06-25 Drilling trench widening excavator

Publications (2)

Publication Number Publication Date
JPH0455521A true JPH0455521A (en) 1992-02-24
JP2824931B2 JP2824931B2 (en) 1998-11-18

Family

ID=15786097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2164064A Expired - Lifetime JP2824931B2 (en) 1990-06-25 1990-06-25 Drilling trench widening excavator

Country Status (1)

Country Link
JP (1) JP2824931B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009062808A (en) * 2007-07-30 2009-03-26 Bauer Maschinen Gmbh Foundation building equipment that creates trenches in the soil

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009062808A (en) * 2007-07-30 2009-03-26 Bauer Maschinen Gmbh Foundation building equipment that creates trenches in the soil
EP2020462A3 (en) * 2007-07-30 2012-06-27 BAUER Maschinen GmbH Underground engineering apparatus for making trenches in the ground

Also Published As

Publication number Publication date
JP2824931B2 (en) 1998-11-18

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