Reverse rotation and automatic locking mechanism for ridging operation component

The invention discloses a reverse rotation and automatic locking mechanism for a ridging operation part, and belongs to agricultural machinery. A supporting frame assembly is hinged to a suspension traction frame through a swing arm A and a swing arm B, a hydraulic cylinder A is hinged to the swing arm B and the supporting frame assembly, a locking section sliding groove A, a rotation section sliding groove and a locking section sliding groove B are formed in an upper supporting plate, a sliding groove is formed in a lower supporting plate, a guide rail is fixedly installed on the upper supporting plate, a sliding block is installed on the guide rail, and a rotation supporting seat is fixedly installed on the sliding block. The supporting stand column is installed in the center of the rotation supporting seat, the rollers are installed in the locking section sliding groove A, the rotation section sliding groove and the locking section sliding groove B, one end of the rotating block is assembled in the rollers