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ATTACHMENT FOR CRUSHED STONE PILE FORMATION, AND CRUSHED STONE PILE FORMATION DEVICE HAVING THE SAME
To suppress damage while suppressing swing of an attachment.SOLUTION: An attachment for crushed stone pile formation includes: a cylindrical part 12 having a crushed stone charging hole formed on a side face thereof in an axial direction; a door 20 for opening/closing the crushed stone charging hole; and a surrounding frame 30 arranged so as to surround the cylindrical part. The surrounding frame 30 has: a lower end 58 that faces or is brought into contact with a ground surface when the cylindrical part is inserted into the ground; a swing stopping part 54d that is arranged at a predetermined height position from the lower end, and is brought into contact with an outer peripheral surface of the cylindrical part and stops swing of the cylindrical part when the cylindrical part is inserted into the ground; and an intermediate part 60 that is positioned between the lower end and the swing stopping part, and has a holding space for holding a crushed stone falling through a gap between the cylindrical part and the swing stopping part.SELECTED DRAWING: Figure 9
【課題】アタッチメントの振れを抑制しながら損傷を抑制する。【解決手段】砕石杭形成用のアタッチメントは、その側面に軸方向に沿って砕石投入孔が形成される円筒部１２と、砕石投入孔を開閉する扉２０と、円筒部を取り囲むように配置される包囲枠３０を備えている。包囲枠３０は、円筒部が地中に挿入されるときに地表面に対向又は当接する下端部５８と、下端部から所定の高さの位置に配置され、円筒部が地中に挿入されるときに当該円筒部の外周面と接触して当該円筒部の振れを止める振れ止め部５４ｄと、下端部と振れ止め部の間に位置し、円筒部と前記振れ止め部との隙間を通って落下する砕石を保持する保持空間を有する中間部６０と、を備えている。【選択図】図９
ATTACHMENT FOR CRUSHED STONE PILE FORMATION, AND CRUSHED STONE PILE FORMATION DEVICE HAVING THE SAME
To suppress damage while suppressing swing of an attachment.SOLUTION: An attachment for crushed stone pile formation includes: a cylindrical part 12 having a crushed stone charging hole formed on a side face thereof in an axial direction; a door 20 for opening/closing the crushed stone charging hole; and a surrounding frame 30 arranged so as to surround the cylindrical part. The surrounding frame 30 has: a lower end 58 that faces or is brought into contact with a ground surface when the cylindrical part is inserted into the ground; a swing stopping part 54d that is arranged at a predetermined height position from the lower end, and is brought into contact with an outer peripheral surface of the cylindrical part and stops swing of the cylindrical part when the cylindrical part is inserted into the ground; and an intermediate part 60 that is positioned between the lower end and the swing stopping part, and has a holding space for holding a crushed stone falling through a gap between the cylindrical part and the swing stopping part.SELECTED DRAWING: Figure 9
【課題】アタッチメントの振れを抑制しながら損傷を抑制する。【解決手段】砕石杭形成用のアタッチメントは、その側面に軸方向に沿って砕石投入孔が形成される円筒部１２と、砕石投入孔を開閉する扉２０と、円筒部を取り囲むように配置される包囲枠３０を備えている。包囲枠３０は、円筒部が地中に挿入されるときに地表面に対向又は当接する下端部５８と、下端部から所定の高さの位置に配置され、円筒部が地中に挿入されるときに当該円筒部の外周面と接触して当該円筒部の振れを止める振れ止め部５４ｄと、下端部と振れ止め部の間に位置し、円筒部と前記振れ止め部との隙間を通って落下する砕石を保持する保持空間を有する中間部６０と、を備えている。【選択図】図９
ATTACHMENT FOR CRUSHED STONE PILE FORMATION, AND CRUSHED STONE PILE FORMATION DEVICE HAVING THE SAME
砕石杭形成用アタッチメント及びそれを備える砕石杭形成装置
ONABE TETSUYA (author)
2022-06-09
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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