Friction-wear test fixture capable of simultaneously clamping rectangular and circular test pieces

• Main Authors: HU ZIRUI, WANG BINGXU, CUI WEIWEI, YAO ZHONGSHUAI, ZHANG YU, GAO YUN
• Format: Patent
• Language: Chinese; English
• Published: 24.12.2021
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses a friction-wear test fixture capable of simultaneously clamping rectangular and round test pieces. A sample clamp of an existing friction-wear testing machine is troublesome to disassemble and assemble, and a test piece is easy to damage. An upper clamp seat is connected with a lower clamp seat through a screw; the rotating rod penetrates through the second rectangular groove of the lower clamp base and the second rectangular groove of the upper clamp base and forms a rotating pair with the lower clamp base and the upper clamp base. The tail part of the nut clamping block and the rotating rod form a screw pair; the nut clamping block penetrates through the third rectangular groove of the lower clamp base and the third rectangular groove of the upper clamp base, and the head of the nut clamping block and the three clamping blocks are all arranged in the first rectangular groove of the lower clamp base and the rectangular through groove of the upper clamp base. The head part of the n