| 摘要 |
<P>PROBLEM TO BE SOLVED: To remove various existing piles, broken existing piles and debris of the existing piles, etc., and to remove buried objects other than piles as well, further. <P>SOLUTION: A buried object removal device includes: a cylindrical casing 1 provided with an excavation blade on the opening edge of a lower end; a casing driving mechanism for axially rotating the casing 1 and excavating the ground; a pair of left and right holding pieces 4A and 4B provided inside the casing 1; and a pull-up mechanism for pulling up the existing pile inside the casing 1 held by the holding pieces 4A and 4B integrally with the casing 1. The respective holding pieces 4A and 4B are capable of opening/closing operations, and turned to a container shape opened on the upper surface in a closed state. An elevating/lowering plate 5 and a pair of operation rods 50A and 50B can be integrally elevated and lowered on the outer peripheral surface of the casing 1, both operation rods 50A and 50B are pulled up by the elevating/lowering plate 5 to close the holding pieces 4A and 4B, and both operation rods 50A and 50B are pushed down by the elevating/lowering plate 5 to open the holding pieces 4A and 4B. <P>COPYRIGHT: (C)2012,JPO&INPIT |
