Device for detecting tensile strength of structural member

The utility model discloses a device for detecting the tensile strength of a structural member, and relates to the technical field of structural member detection devices, the device comprises a movable plate and a positioning rod, one side of the inner surface of the movable plate is provided with a guide groove, the guide groove is internally provided with a sliding block, one end of the sliding block is fixedly provided with a T-shaped clamping plate, and the T-shaped clamping plate is provided with a clamping groove. One end of the inner surface of the T-shaped clamping plate is in threaded connection with a threaded rod, a rotating hand wheel is fixedly installed at the upper end of the threaded rod, the positioning rod is arranged on the inner surface of the rotating hand wheel in a sliding mode, a strong spring is fixedly installed on one side of the outer surface of the positioning rod, and a limiting groove is formed in the upper portion of the outer surface of the movable plate. Compared with an exis