Arc-shaped clamp device for tensile test of small-caliber thermoplastic pipe

• Main Authors: TIAN KUN, TAO RUIPENG, WAN ZHENHUA, HU ZHIJIE, WANG YUELAN, XIANG JIAYI, KONG YUN
• Format: Patent
• Language: Chinese; English
• Published: 22.07.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model relates to an arc-shaped clamp device for tensile testing of a small-caliber thermoplastic pipe, which comprises a movable clamping piece, a fixed clamping piece and a connecting bracket connected with a tensile testing machine, a screw-in type pressure rod is assembled on the connecting bracket in a threaded manner, and one end, far away from the connecting bracket, of the screw-in type pressure rod is connected with the movable clamping piece; the screw-in type pressing rod drives the movable clamping piece to be close to or far away from the fixed clamping piece when rotating, and the movable clamping piece and the fixed clamping piece clamp and fix the end part of the to-be-tested small-caliber thermoplastic pipe when being close to each other; a concave arc face is arranged on the side, away from the screw-in type pressing rod, of the movable clamping piece, a convex arc face is arranged on the side, close to the movable clamping piece, of the fixed clamping piece, and the concave arc f