JP2824931B2 - Drilling trench widening excavator - Google Patents
Drilling trench widening excavatorInfo
- Publication number
- JP2824931B2 JP2824931B2 JP2164064A JP16406490A JP2824931B2 JP 2824931 B2 JP2824931 B2 JP 2824931B2 JP 2164064 A JP2164064 A JP 2164064A JP 16406490 A JP16406490 A JP 16406490A JP 2824931 B2 JP2824931 B2 JP 2824931B2
- Authority
- JP
- Japan
- Prior art keywords
- widening
- excavation
- bit
- excavator
- present
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/20—Dredgers; 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
- E02F3/205—Dredgers; 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)
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 front, rear, left and right surfaces of a digging groove.
＜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 of the Prior Art> As shown in FIG. 8, there is a construction method for connecting a wall body in another direction in the construction of a continuous wall rigid body foundation or the like.
この場合、壁体の角部ａ、Ｔ字部ｂ、十字部ｃ等を掘
削する際には、地盤に掘削した溝の前後・左右面を拡幅
掘削する作業が必要となる。In this case, when excavating the corner a, the T-shaped part b, the cross part c, and the like of the wall, it is necessary to perform widening excavation on the front, rear, left and right surfaces of the groove excavated in the ground.
しかし従来は、通常掘削と拡幅掘削の両方を行える装
置が無かったため、通常掘削用の掘削機を引き揚げて、
別の拡幅用の掘削機により拡幅掘削を行っていた。However, conventionally, there was no device that can perform both normal excavation and widening excavation.
Widening excavation was being performed by another widening excavator.
そのため、掘削作業が中断され、作業効率の低下を招
いていた。As a result, the excavation work was interrupted, resulting in a decrease in work efficiency.
また、通常掘削用と拡幅掘削用の二台の掘削機が必要
であり、不経済であった。In addition, two excavators, one for normal excavation and one for widening excavation, are required, which is uneconomical.
＜本発明の目的＞ 本発明は以上の点に鑑みて成されたもので、その目的
とするところは、一台のマシンで、通常掘削と、拡幅掘
削の両方を行え、特に掘削溝の前後左右の任意の面を効
率良く経済的に拡幅掘削できる、掘削溝の拡幅掘削機を
提供することにある。<Object of the present invention> The present invention has been made in view of the above points, and an object of the present invention is to perform both normal excavation and widening excavation with one machine, particularly before and after the excavation groove. An object of the present invention is to provide a widening excavator for excavating a trench, which can efficiently and economically widen and excavate any left and right surfaces.
＜問題点を解決するための手段＞ 即ち本発明は、掘削装置本体の下部に設けた、水平軸
を中心に回転して掘削する先端ビットと、掘削装置本体
の前後左右の側面に多段的に設けた拡幅ビットとよりな
り、前記拡幅ビットが、その水平軸を中心に回転して掘
削し、かつ掘削位置を水平方向に向けて変更可能であ
る、掘削溝の拡幅掘削機である。<Means for Solving the Problems> That is, the present invention provides a tip bit which is provided at the lower part of the excavator main body and rotates around a horizontal axis and excavates, A widening excavator for excavating trenches, comprising a widening bit provided, the widening bit rotating around its horizontal axis for excavation, and the excavation position can be changed in a horizontal direction.
＜本発明の説明＞ 以下、本発明を詳細に説明する。<Description of the Present Invention> Hereinafter, the present invention will be described in detail.
＜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を装備してある。<A> Tip Bit (FIG. 1) The widening excavator of the present invention is provided with a tip bit 11 at a lower portion 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。The tip bit 11 may have a structure in which a plurality of digging blades are provided on a peripheral surface of a drum-shaped member or the like that rotates about 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。In addition, an upper part of the main body 1 is connected to a drainage pipe 12 for discharging excavated earth and sand to the ground.
＜ロ＞拡幅ビット 本体１の前後左右の側面には、多段的に複数の拡幅ビ
ット２を装備する。<B> Widening bits A plurality of widening bits 2 are provided on the front, rear, left and right sides of the main body 1 in multiple stages.
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。As the widening bit 2, for example, like the tip bit 11, a drum-shaped member provided with a plurality of excavating blades on the peripheral surface is used.
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 a free end of a telescopic rotary shaft 21 attached to a side surface of the main body 1 in a horizontal direction.
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 rotary shaft 21 is connected to a hydraulic or electric motor or the like built in the main body 1 so as 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。The telescopic rotary shaft 21 is configured to expand and contract in the horizontal direction 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 expanding / contracting the expansion / contraction rotation 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。In addition, each telescopic rotation shaft 21 is configured so that the telescopic length can be freely set.
＜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 Wide Excavator of the Present Invention> The operation of the wide excavator of the present invention configured as described above will be described.
（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 (FIGS. 2 and 3) The ordinary excavation groove 31 is excavated in the ground 3 by rotating the tip bit 11.
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 usually performed while the stable liquid 4 is filled in the excavation groove 31.
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。When the main body 1 meanders during excavation, the position of the main body 1 can be corrected by projecting the widening bit 2 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 digging to a predetermined depth, the telescopic rotary shaft 21 is extended by a required length, and the widening bit 2 is projected in the horizontal direction to perform widening excavation.
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。Also, as shown in FIG. 6, the widening bit 2 can be protruded during the excavation of the normal excavation groove 31, and the widening excavation groove 32 can be excavated only in the middle part.
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、33
を掘削することも可能である。Further, as shown in FIG. 7, the widening bit 2 is made to protrude in a stepwise manner so that the multi-section widening excavation grooves 32, 33 are formed.
It is also possible to excavate.
その他、拡幅ビット２の突出長さを調整することによ
り、掘削溝の拡幅巾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 projecting length of the widening bit 2, the widening width of the excavation groove can be freely changed, so that it is possible to cope with 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＞各先端ビットを水平方向に突出させるだけで、平
面形状が十字形、Ｔ字形、Ｌ字形等の多種平面形状の掘
削溝を一台のマシンで掘削することができる。<A> By simply projecting each tip bit in the horizontal direction, a single machine can excavate a variety of plane-shaped excavation grooves such as a cross, a T-shape, and an L-shape.
＜ロ＞一台のマシンで通常掘削と拡幅掘削を連続して行
えることは勿論のこと、拡幅ビットの突出長さを調整す
ることで、掘削溝の拡幅幅を自由に変更することがで
き、従来の掘削技術にとらわれない新しい様々な施工に
対応することができる。<B> Of course, one machine can perform normal excavation and widening excavation continuously, and by adjusting the protruding length of the widening bit, the widening width of the excavation groove can be changed freely. It can respond to various new constructions that are not restricted to the conventional excavation technology.
＜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 body is meandering during excavation, the position of the body can be corrected by projecting the widening bit and taking a reaction force on the groove wall surface.
第１図：本発明の拡幅掘削機の説明図 第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：拡幅掘削施工例の説明図 Fig. 1: Explanatory drawing of the widening excavator of the present invention Fig. 2, Fig. 3: Explanatory drawing of normal excavation Fig. 4 to Fig. 7: Explanatory drawing of an example of widening excavation Fig. 8: Explanatory diagram of an example of widening excavation
Claims (1)
心に回転して掘削する先端ビットと、 掘削装置本体の前後左右の側面に多段的に設けた拡幅ビ
ットとよりなり、 前記拡幅ビットが、その水平軸を中心に回転して掘削
し、かつ掘削位置を水平方向に向けて変更可能である、 掘削溝の拡幅掘削機。1. An excavating machine comprising: a tip bit provided at a lower portion of a main body of an excavator for excavating while rotating around a horizontal axis; A digging trench widening excavator in which a bit rotates around its horizontal axis for digging, and the digging position can be changed in a horizontal direction.
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 JPH0455521A (en) | 1992-02-24 |
| JP2824931B2 true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007035591B3 (en) * | 2007-07-30 | 2008-10-23 | Bauer Maschinen Gmbh | Civil engineering device for creating slots in the ground |
-
1990
- 1990-06-25 JP JP2164064A patent/JP2824931B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455521A (en) | 1992-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2824931B2 (en) | Drilling trench widening excavator | |
| JP4038129B2 (en) | Shield machine | |
| JP3306338B2 (en) | Shield machine | |
| JPH08338195A (en) | Tunnel boring machine | |
| JPS62288298A (en) | Cutter device for shield excavator | |
| JP2541123Y2 (en) | Underground wall excavator for variable section | |
| JPH0455520A (en) | Widening excavating machine for excavated channel | |
| JP3933951B2 (en) | Shield machine | |
| JP3306339B2 (en) | Shield machine | |
| JPH11303120A (en) | Working device for construction machine | |
| JP3382838B2 (en) | Tunnel excavator and excavation method | |
| JP2870442B2 (en) | Ground excavator | |
| JP3631892B2 (en) | Drilling rig | |
| JP2572525Y2 (en) | Underground wall excavator for variable section | |
| JP2520318Y2 (en) | Copy cutter device for shield machine | |
| JP2687136B2 (en) | Shield machine | |
| JPH02128024A (en) | Auger side excavator | |
| JPH0431350Y2 (en) | ||
| JP2912961B2 (en) | Excavator | |
| JPH0230818A (en) | Excavator | |
| JP3344949B2 (en) | Stroke control method of overmining equipment in tunnel machine | |
| JP2512158Y2 (en) | Excavator for underground wall with variable cross section | |
| JPH0672436B2 (en) | Chain slit excavator | |
| JP3094325B2 (en) | Drilling trench widening excavator and its widening excavation method | |
| KR960031754A (en) | Tunnel excavator |