Protective mechanism for rice crab breeding

The utility model relates to a protection mechanism for rice crab culture, which comprises fixing columns, a protection net, a fixing plate, a connecting plate and a control rod, the two sides of the fixing plate are connected with the fixing columns, the bottom surface of the fixing plate is in contact with soil, the top surface of the fixing plate is provided with a fixing hole, the fixing hole is a through hole, the axis of the fixing hole is perpendicular to the horizontal plane, and the control rod is connected with the protection net. The bottom end of the protective net penetrates through the fixing holes and then is inserted into soil, the two sides of the protective net make contact with the side faces of the fixing columns, one side of the connecting plate is connected with the side face of the protective net, connecting holes are formed in the top face of the connecting plate, the connecting holes are through holes, the axis of the connecting holes is parallel to the axis of the fixing holes, and t