PORTABLE POWER ROTARY DEVICE PROVIDED WITH DRILL HAVING EARTHWORK AND CUT-OFF FUNCTIONS
The present invention relates to a rotary device in which a drill for soil earthwork is rotatably mounted, wherein the drill comprises: a shaft part; a screw, formed along the outer circumferential surface of the shaft part, for earthwork and the transportation of soil generated by the earthwork; a...
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Format: | Patent |
Sprache: | eng ; fre ; kor |
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Zusammenfassung: | The present invention relates to a rotary device in which a drill for soil earthwork is rotatably mounted, wherein the drill comprises: a shaft part; a screw, formed along the outer circumferential surface of the shaft part, for earthwork and the transportation of soil generated by the earthwork; a rotary shaft, formed on the upper part of the shaft part; a connection socket, formed on the rotary shaft, for adjusting the length; and a fixed shaft part, formed on the lower part of the shaft part, for being inserted and rotated into the soil for earthwork. More specifically, the present invention relates to a portable power rotary device provided with a drill having earthwork and cut-off functions, wherein a pair of horizontal blades face each other on the connection part between the shaft part and the fixed shaft part; screws, formed in every other layer, are symmetrically and integrally connected to each other on the pair of horizontal blades, for transferring soil upwardly; cutting blades, which are symmetrical with each other, are inclined downwardly and integrally formed on the pair of horizontal blades; a plurality of vertical blades, formed to be spaced apart from each other at a predetermined distance, protrude vertically on the upper portion of the lower wing of the screw; and when performing earthwork, soil and tree roots are cut by the cutting blades, and soil lumps, transferred along the screw, are cut again by the vertical blades.
La présente invention concerne un dispositif rotatif. Selon l'invention, une foreuse permettant de réaliser un terrassement du sol est monté de façon rotative. La foreuse comprend : une partie arbre; une vis, formée le long de la surface circonférentielle externe de la partie arbre, pour travaux de terrassement et de transport de la terre extraite par des travaux de terrassement; un arbre rotatif, formé sur la partie supérieure de la partie arbre; une douille de raccordement, formée sur l'arbre rotatif, servant à régler la longueur; et une partie arbre fixe, formée sur la partie inférieure de la partie arbre, servant à être insérée et tournée dans le sol lors des travaux de terrassement. Plus spécifiquement, la présente invention concerne un dispositif électrique rotatif portable comportant une foreuse présentant des fonctions de coupure et de terrassement. Une paire de lames horizontales sont situées sur la partie de raccordement et se font face entre la partie arbre et la partie arbre fixe; des vis, formées dans chaq |
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