Positioning assembly for installing high-performance weighing apparatus

The utility model discloses a high-performance weighing apparatus installation positioning assembly, which comprises a balance body, a detection ring, a tray and positioning assemblies, the detection ring is fixedly installed on the inner wall of the balance body, the tray is fixedly installed on the top of the balance body, and the positioning assemblies are movably connected to the front side and the rear side of the top of the balance body. And moving grooves are formed in the front side and the rear side of the top of the balance body. By arranging the moving groove, the screw rod, the moving block, the scraping plate and the transmission assembly, the transmission assembly can effectively drive the screw rod to rotate, the screw rod drives the moving block to move in the moving groove, the moving block drives the scraping plate to scrape impurities adhering to the tray or remaining impurities, and the problem that due to the fact that the cleaning function is not achieved, the tray cannot be cleaned is s