Connecting piece for calibrating large-force value parameters of high-temperature creep endurance testing machine

The utility model relates to the technical field of metering detection. The utility model relates to a connecting piece, in particular to a connecting piece for calibrating large-force value parameters of a high-temperature creep endurance testing machine. The connecting joint comprises a connecting joint body, the connecting joint body is of a cylindrical structure, an inner threaded hole is formed in one side of the connecting joint body, an outer threaded rod is fixedly arranged on the side, away from the inner threaded hole, of the connecting joint body, a transition arc is arranged at theconnecting joint of the outer threaded rod and the outer wall of the connecting joint body, and the transition arc is of a circular-ring-shaped inwards-concave cambered surface structure. The cable is simple in structure, high in tensile strength, promising in market prospect and suitable for popularization. 本实用新型涉及计量检测技术领域，尤其是一种用于高温蠕变持久试验机大力值参数校准的连接件，包括连接接头，所述连接接头圆柱体架构，所述连接接头的一侧设有内螺纹孔，所述连接接头远离所述内螺纹孔的一侧固定设有外螺纹杆，所述外螺纹杆与所述