PURPOSE: To thrust the processing machine into the soft earth while keeping the same straight by correcting the inclination of the stirring shafts of the processing machine by the operation of jacks through the intermediary of rods or the like and increasing thereby the flexural rigidity of the processing machine.
CONSTITUTION: The stirring shafts 6, while being rotated, are thrusted into the soft ground. As the thrusting of the processing machine 1 advances, it is ascertained according to a signal transmitted sequentially from inclination measuring units 14 and 14' whether the thrusting is made vertically or in the prescribed direction. In thecase when the tip of the processing machine 1 is inclined, the inclination of the stirring shafts 6 of the processing machine 1 is corrected to be straight by extending of contracting the jacks 12 through the intermediary of the rods 13.
KUKINO YOSHINORI
FUJII TAKUMI
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