Flip type protection device for hole opening of manual hole digging pile

The utility model relates to a manual hole digging pile hole opening flip type protection device which comprises a hole opening protection mechanism, the hole opening protection mechanism comprises a horizontally-arranged supporting framework, the supporting framework is composed of an inner frame and an outer frame, and a plurality of corresponding supporting connecting rods are fixedly connected between the inner frame and the outer frame. A corresponding protective net sheet is connected between the inner frame and the outer frame in a traction manner; the cover turning mechanism comprises an upper frame fixedly arranged on the upper side of the inner frame, a corresponding cover plate is arranged on the upper portion of the upper frame in an openable mode, the cover plate is formed by fixedly connecting a cover plate mesh to a cover plate frame, and one side of the cover plate frame is rotatably connected to the upper frame. The device is simple in structure and low in cost, and can effectively ensure the