Variable cross section stirring stake drill bit system

The utility model relates to a variable cross section stirring stake drill bit system, it includes that auger spindle, adjustable puddler, drill bit top structure and puddler adjust driving system, adjustable puddler arrange on the auger spindle lateral wall to adjust driving system through the puddler of external connection and adjust its effective stirring radius and agitation speed and whitewashing, drill bit top structure be fixed in the auger spindle top to play the effect of creeping into fast. The utility model discloses can the stirring generate the variable cross section stirring stake of various differences if expand end stirring stake, bamboo joint formula stirring stake, stirring stake of T shape and nearly rectangular cross section stake etc, full automated control has, simple structure is practical, constructor labour saves, construction convenience is swift, advantages such as management repair is convenient, and this method is applicable to most foundation treatment, the effect is showing, and