TWO-SHAFT TYPE DEEP MIXING DEVICE

PROBLEM TO BE SOLVED: To perform laterally uniform excavation, expansion and uniform agitation of soil and a soil improving hardener while avoiding complication or the like of constitution. SOLUTION: In this device, a hydraulic motor 22 operated by supplying pressure oil is used as a drive source for left and right agitation shafts 14L, 14R, and a synchronizing gear mechanism having a pair of gear members synchronously rotated in normal and reverse rotating directions is interlockingly interposed between reduction gears for every agitation shaft on either side under engagement with the predetermined gear. The synchronous rotation of the left and right agitation shafts in the normal and reverse rotating directions is thereby ensured, and agitation blades 12L, 12R provided at the left and right agitation shafts are shifted in phase on a plane to be respectively arranged on the same left and right height level. COPYRIGHT: (C)2006,JPO&NCIPI