Grinding clamping fixture for elevated library saddle seat

The utility model relates to a steel-structure elevated library in the building field, and in particular relates to a grinding clamping fixture for an elevated library saddle seat. The grinding clamping fixture comprises a saddle seat locating plate fixed on a platform; the platform is a rectangular frame; the locating plate is vertically fixed on two parallel side beams of the frame; bolt locating holes are respectively arranged in the two sides of the locating plate arranged on the side beams of the frame; and a reinforced rib plate is arranged between the two parallel side beams. The grinding clamping fixture is capable of effectively controlling the size error of components during the machining process, thus guaranteeing the qualification rate of the components; and the components are convenient and fast to install, so that the labor intensity is lightened, and the qualification rate is reduced.