JPH0233890U

JPH0233890U -

Info

Publication number: JPH0233890U
Application number: JP11083288U
Authority: JP
Priority date: 1988-08-23
Filing date: 1988-08-23
Publication date: 1990-03-02
Anticipated expiration: 2003-08-23
Also published as: JPH0547821Y2

Description

[Brief explanation of the drawing]

第１図はこの考案に係る掘削機構の縦穴掘削状
態を示す説明図、第２図は同じく拡底部の掘削状
態を示す説明図、第３図は伸縮式アームの収縮状
態を示す拡大断面図、第４図は掘削バケツトの正
面図、第５図は同上の開いた状態を示す正面図、
第６図は同上の側面図、第７図乃至第１０図は拡
底部掘削機構の異なつた例を示し、第７図はバケ
ツトの場合の正面図、第８図は回転カツターの場
合の正面図、第９図は油圧ブレーカの場合の正面
図、第１０図は振動プレートの場合の正面図、第
１１図ａとｂは縦穴掘削時の本考案と従来例を示
す横断平面図、第１２図は完成した基礎の縦断面
図、第１３図は従来の掘削装置を示す説明図であ
る。１……作業機械、２……ブーム、３……伸縮式
アーム、４……旋回機構、５……柱体部掘削機構
、６……伸縮式第２アーム、７……拡底部掘削機
構、３１……上部プレート、３５……下部プレー
ト、３６……バケツト、４１……リンク、４５…
…シリンダ、４６……起振機、５２……シリンダ
。 Fig. 1 is an explanatory diagram showing the vertical hole excavation state of the excavation mechanism according to this invention, Fig. 2 is an explanatory diagram showing the excavation state of the expanded bottom section, and Fig. 3 is an enlarged sectional view showing the retracted state of the telescoping arm. Figure 4 is a front view of the excavation bucket, Figure 5 is a front view of the same as above showing the open state,
Fig. 6 is a side view of the same as above, Figs. 7 to 10 show different examples of the bottom-expanding excavation mechanism, Fig. 7 is a front view of a bucket bucket, and Fig. 8 is a front view of a rotary cutter. , FIG. 9 is a front view of a hydraulic breaker, FIG. 10 is a front view of a vibrating plate, FIG. 11 a and b are cross-sectional plan views showing the present invention and a conventional example when drilling a vertical hole, and FIG. 12 is a vertical sectional view of the completed foundation, and FIG. 13 is an explanatory diagram showing a conventional excavation device. DESCRIPTION OF SYMBOLS 1...Working machine, 2...Boom, 3...Extendable arm, 4...Swivel mechanism, 5...Column excavation mechanism, 6...Extendable second arm, 7...Expanded bottom excavation mechanism, 31... Upper plate, 35... Lower plate, 36... Bucket, 41... Link, 45...
...Cylinder, 46...Exciter, 52...Cylinder.

補正平１．４．２８実用新案登録請求の範囲を次のように補正する
。Amendment 1.4.28 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】アームと、このアームの下端に設けた旋回機構
と、この旋回機構の下部に取付けた掘削機構とで
構成され、前記掘削機構が、旋回機構に取付ける
上部プレートの下部に下部プレートをシリンダで
角度可変となるよう配置し、下部プレートの下部
に先鋭状となる一対のバケツトを開閉動自在に取
付け、下部プレート上にバケツト開閉用の駆動機
と、バケツトに縦振動のみを与える起振機を設け
て形成されている掘削装置。[Claims for Utility Model Registration] Consisting of an arm , a rotating mechanism provided at the lower end of this arm , and an excavating mechanism attached to the lower part of the rotating mechanism, the excavating mechanism is attached to the lower part of the upper plate attached to the rotating mechanism. The lower plate is arranged with a cylinder so that its angle can be varied, and a pair of sharp-pointed buckets are attached to the bottom of the lower plate so that they can be opened and closed freely.A drive mechanism for opening and closing the buckets is installed on the lower plate, and the bucket can only vibrate vertically. A drilling rig that is equipped with an exciter that gives

Claims

[Scope of utility model registration request]

It consists of a telescoping arm, a rotation mechanism provided at the lower end of the telescoping arm, and an excavation mechanism attached to the lower part of the rotation mechanism, and the excavation mechanism connects the lower plate to the lower part of the upper plate attached to the rotation mechanism with a cylinder. A pair of pointed buckets are installed at the bottom of the lower plate so that they can be opened and closed, and a drive machine for opening and closing the buckets and an exciter that gives only vertical vibration to the buckets are installed on the lower plate. Drilling equipment that is provided and formed.