Flange testing fixture

The utility model relates to the technical field of flange detection, in particular to a flange detection tool, which comprises a placement plate, a plurality of detection structures are arranged on the placement plate, each detection structure comprises a plurality of first sliding blocks, the placement plate is slidably connected with the plurality of first sliding blocks, the first sliding blocks are in threaded connection with screw rods, and the screw rods are in threaded connection with the first sliding blocks. The lead screw is rotationally connected to the detection column, the detection column abuts against the containing plate, and an ejection structure is arranged on the containing plate. Flanges of different sizes can be conveniently detected, the applicability is improved, the production period is shortened, and the production cost is reduced. 本实用新型涉及法兰检测技术领域，具体的说是法兰检具，包括放置板，所述放置板上设有多个检测结构，所述检测结构包括多个第一滑块，所述放置板上滑动连接有多个第一滑块，所述第一滑块上螺纹连接有丝杆，所述丝杆转动连接于检测柱，所述检测柱抵触于放置板，所述放置板上设有顶出结构；便于对不同尺寸的法兰进行检测，提高了适用性