The invention relates to the technical field of compressor pistons, in particular to a wear-resistant compressor
piston which comprises a
piston body, a
piston pin and a bush, and a pin hole penetrating through the piston body is formed in the piston body; the lining is arranged in the pin hole, and the piston pin is rotationally arranged in the lining; when the piston body moves downwards to suck air, a pull-down stress area is formed on the side wall of the pin hole. When gas is compressed upwards, pressure is formed on the side wall of the pin hole and serves as an upward pushing stress area. The pull-down stress area and the push-up stress area are milled; the lining is made of
copper; the lining is provided with extension parts corresponding to milling in shape,
silicon nitride cylinders are distributed in the extension parts respectively, and a
ceramic layer is arranged on the side face of the lining; according to the invention,
copper with good
ductility is combined with the
silicon nitride cylinder, the self-lubricating effect and the supporting effect of the
silicon nitride cylinder are utilized on the inner surface of the extension sleeve
bushing, and the supporting effect of the
silicon nitride cylinder is utilized when the extension sleeve
bushing extends to a milling part; and through the
ceramic layer, accumulated deformation generated by the
bushing can be reflected, and once the bushing is broken, a maintainer knows that the bushing is replaced.