Rigidity testing device for connecting rod of industrial robot

The invention discloses an industrial robot connecting rod rigidity testing device, and belongs to the technical field of industrial robot performance test.The industrial robot connecting rod rigidity testing device comprises a first bottom plate, a control cabinet and an industrial robot, and the industrial robot comprises a rotary supporting seat, a first horizontal connecting rod and a second horizontal connecting rod; the rotating supporting seat is installed in the first bottom plate, and the rotating supporting seat is fixedly limited in the pressing structure through the pressing structure. The first horizontal connecting rod is connected with an adjustable clamping structure used for limiting the connecting rod of the industrial robot, and the tail end of the second horizontal connecting rod is connected with a rigidity measuring assembly used for rigidity testing; through the mode, the rigidity of multiple sections of connecting rods can be detected one by one, the rigidity of each connecting rod can