Cylinder supporter of reciprocating compressor

The utility model relates to a cylinder supporter of a reciprocating compressor, which is composed of a foundation shim plate, an adjusting component, a lower shim plate, a holder, an upper shim plate, a support base, a ribbed plate, a support plate, a support roller, screws and a positioning plate, wherein the adjusting component and the lower shim plate are fastened on the foundation shim plate through screws. The support roller which is assembled integrally through the holder is arranged on the lower shim plate. The support roller is provided with the upper shim plate which is provided with the ribbed plate, the support plate and the support base. The positioning plate is fixed at both sides of the lower shim plate. The adjusting component can be an adjusting shim plate or an adjusting screw. The device can nicely support the weight of a cylinder, guarantee free contraction and expansion of the cylinder when the cylinder is stressed and heated, properly adjust supporting height of the cylinder when required and substantially raise performance and service life of the cylinder.