Matching testing fixture for frame cross member assembly

The invention relates to a vehicle frame cross beam assembly matching detection tool, which comprises a detection table, a cross beam installation assembly and a plurality of cross beam connecting plate installation assemblies, and is characterized in that the cross beam installation assembly is fixed on the first side of the detection table, and the plurality of cross beam connecting plate installation assemblies are arranged on the first side of the detection table; the plurality of cross beam connecting plate mounting assemblies are arranged on the two opposite sides of the cross beam mounting assembly in the first direction respectively, the cross beam connecting plate mounting assemblies and the cross beam mounting assembly are arranged at intervals, and each cross beam connecting plate mounting assembly is configured to be capable of moving relative to the detection table in the first direction. The cross beam body and the cross beam connecting plate are accurately positioned through the cross beam moun