Tension testing device for strip objects

The invention discloses a tension testing device for strip objects. The device comprises a worktable, an electric control cabinet body, two conveying devices, multiple guide rollers, a controller, a tension sensor, a camera, multiple servo motors and a driver; the conveying devices comprise feeding rollers, lever mechanisms, pressing rollers and extension springs; the lever mechanisms are L-shaped, and the middle parts are rotationally arranged on the worktable through bolts; the pressing rollers are rotationally arranged at the front ends of the lever mechanisms; support columns for fixing one ends of the extension springs are arranged at the back ends of the lever mechanisms; and the other ends of the extension springs are fixed on the worktable through the support columns. The device ismore in type of applicable strip objects, more in provided conveying mode and stable and reliable in mechanical structure. 本发明公开了种条状物的张力测试装置，包括工作台、电控柜本体、两个传送装置、复数个导辊、控制器、张力传感器、相机、复数个伺服电机、驱动器，所述传送装置包括进给滚轮、杠杆机构、压紧滚轮以及拉伸弹簧，所述杠杆