Obstacle avoiding mechanism of snow shovel

The invention discloses an obstacle avoidance mechanism of a snow pushing shovel, which relates to the field of machinery and comprises a pushing shovel rack, a snow pushing shovel surface, a shovel surface overturning lug and a shovel edge overturning lug, the snow pushing shovel surface is fixed on the snow pushing shovel rack, the shovel surface overturning lug piece is connected to the lower end of the snow pushing shovel surface, the shovel edge overturning lug piece is connected to the upper end of the snow pushing shovel edge, and the shovel surface overturning lug piece and the shovel edge overturning lug piece are arranged on the overturning shaft in a penetrating manner; a torsion spring is mounted on the turnover shaft, and torsion arms of the torsion spring are respectively pressed on the snow pushing shovel surface and the snow pushing shovel blade; the snow pushing shovel edge is mounted on the shovel edge overturning lug piece fixing T-shaped iron; the shovel edge overturning lug is connected w