Fixing and clamping device for detection of tensile testing machine

• Main Authors: LI RUIFENG, YANG MENGZHEN, ZHANG CHENGLONG
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model relates to the technical field of tension test, in particular to a fixed clamping device for detection of a tension tester, which comprises a fixed clamp, a movable clamp is arranged corresponding to the fixed clamp, the fixed clamp and the movable clamp have the same structure and are respectively clamped at two ends of an object to be tested, and the fixed clamp comprises a clamping seat. An adjustable inner supporting assembly is arranged on the clamping base, an outer clamping assembly is arranged on the periphery of the adjustable inner supporting assembly, and the pipe wall of a hollow pipe is clamped and installed between the adjustable inner supporting assembly and the outer clamping assembly. The adjustable inner supporting assembly comprises a three-jaw chuck body fixedly installed on the clamping base, the three-jaw chuck body is provided with three moving jaws, each moving jaw is provided with a cylindrical supporting rod, and the three-jaw chuck body is connected with a driving