摘要 |
PROBLEM TO BE SOLVED: To provide an oscillating cutter-type shield machine which can efficiently agitate sediment by preventing adhesion of the sediment. SOLUTION: In this shield machine 1, an oscillating cutter 4 is provided via a cutter chamber 5 in front of a fixed bulkhead 3 of a shield frame 2; oscillating rods 13 and 14 are provided on the side of the cutter chamber 5 of the oscillating cutter 4; and fixed rods 15 and 16, which are provided on the side of the cutter chamber 5 of the fixed bulkhead 3, are arranged in such a manner as to be positioned in the state of being partially and wholly lapped together on the same locus as those of the corresponding oscillating rods 13 and 14 and out of oscillating ranges A and B of the oscillating rods 13 and 14. COPYRIGHT: (C)2005,JPO&NCIPI |