A piston for 190 serial gas turbine generator group

The utility model belongs to the technical field of 190 the piston of series gas turbine generator group, especially, relate to a piston for 190 serial gas turbine generator group, including piston crown and the piston skirt portion of setting in the piston crown lower part, the outside of piston crown is followed and has upwards been set gradually the fourth annular down, the third annular, second annular and first annular, the inventor has set up wear -resisting ring in first annular, set up in top land and combustion chamber and plated the layer of making pottery, and the molybdenum disulfide coating has been set up in piston skirt portion's the outside, foretell wear -resisting ring, the setting of plating make pottery layer and molybdenum disulfide coating improves holistic wearability of piston and temperature toleration promptly, and the surface lubricity of piston and organism contact has been improved, great increase piston life -span in 190 serial gas turbine generator group promptly. 本实用新型属于190系列燃气