Tensile testing device for high-strength tensile film production

The utility model relates to the technical field of tensile tests, in particular to a tensile test device for high-strength tensile film production. The device comprises a workbench, the upper surface of the workbench is provided with a testing structure, the testing structure comprises two fixing plates, the two fixing plates are fixedly connected with the upper surface of the workbench, screw rods are inserted into the fixing plates in a threaded mode, and the ends, close to each other, of the two screw rods are rotationally connected with supporting plates; two supporting frames are slidably connected to the sides, close to each other, of the two supporting plates, driving rods are inserted into the supporting frames in a threaded mode, limiting plates are rotatably connected to the lower ends of the driving rods, and two limiting rods are slidably inserted into the supporting frames. The problems that when the tensile strength of the stretching film is tested, one worker needs to support the two ends of t