| 摘要 |
PURPOSE: Provided are a rotational speed controller for mixing equipment of a soil modifying machine, by which optional quality of modified soil can be obtained, and an engine speed controller for a soil modifying machine, which reduces noise and vibration of the engine and has excellent fuel economy. CONSTITUTION: The rotational speed controller includes a mixer rotating to mix soil to be modified; drive means for rotationally driving the mixer; speed control unit for controlling rotational speed of the drive unit based on an inputted rotational speed command value; working mode setting unit(8) for outputting a working mode signal(H,M,L,S) for setting a kind of soil to be modified; and a controller for outputting the rotational speed command value corresponding to the working mode signal(H,M,L,S) to the speed control unit.
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