Improved test device for plate load test

The utility model relates to the technical field of flat plate load test devices, in particular to an improved test device for a flat plate load test, which comprises a supporting table and a fixing plate, a jack is arranged between the supporting table and the fixing plate, adjusting boxes are arranged on two sides of the top of the fixing plate, one end of the fixing plate is provided with a threaded hole, and the other end of the fixing plate is provided with a nut. A threaded column is arranged on the threaded hole, a fastening groove is formed in one end of the threaded hole and communicates with the interior of the adjusting box, a fastening plate is arranged on the fastening groove, a bearing is arranged between the fastening plate and the threaded column, inclined plates are arranged on the two sides of the top end of the fastening plate, and an opening is formed in one side of the adjusting box; according to the structure, the jack, the supporting table, the fixing plate and the center position of th