Turnover fire grate segment of garbage incinerator

The utility model belongs to the field of incinerators, and particularly relates to a turning grate segment of a garbage incinerator. The turning grate segment of the garbage incinerator comprises a garbage bearing plate which is of an integrated structure, the upper surface of the garbage bearing plate is a garbage bearing face, the front end of the garbage bearing plate is rolled downwards to form an arc face, and a mounting rib plate with a mounting hole is arranged at the rear end of the garbage bearing plate. And when the garbage bearing plate rotates around the mounting hole to turn over garbage, the arc surface is always tightly attached to the rear end of the fixed fire grate segment. The overturning fire grate segment of the garbage incinerator comprises a garbage bearing plate with one end being an arc face, the garbage bearing plate is connected with a rotating shaft of the incinerator through a mounting hole and can rotate around the rotating shaft so as to overturn garbage, and in the rotating pr