| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a ground improvement device for increasing its excavating efficiency and agitating efficiency to sufficiently agitate and mix excavation soil and filler together, and also increasing its improving accuracy. <P>SOLUTION: The ground improvement device comprises: an excavating member 30 supported at the front end of an excavating rod 10 via a single main shaft part 21; a casing 20 to be rotated integrally with the excavating member 30; an agitating member 40 having an agitating shaft 41 rotatably supported at both ends by the excavating member 30 and the casing 20 and an agitating blade 42 provided on the agitating shaft 41; an agitating blade 22 provided on the main shaft part 21; a sun gear 2 provided on the excavating rod 10; a planetary gear 4 provided on the agitating member 40; a spiral 31 formed on the excavating member 30; a discharge hole 50 for the filler; and a driving source for rotating the casing 20, etc. By integrally rotating the excavating member 30 and the casing 20, the agitating shaft 41 being rotated is revolved around the main shaft part 21 to form an agitation region. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
