Device and method for testing reliability of strain gauge

• Main Authors: CHEN SHIXIANG, WANG HUA, SHI PEIHUA, WANG LONGLIN, WANG XIRUI, JIANG GUOFU, LIANG QIANXUE, YU KAIZHU, JU YUCAI, JIANG FENG
• Format: Patent
• Language: Chinese; English
• Published: 25.04.2023
• Subjects: MEASURING; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; PHYSICS; TESTING

The invention discloses a strain gauge reliability test device and test method. The device comprises a test component; one end of the force measuring meter is connected with one end of the testing component; one end of the first universal connecting mechanism is connected with the other end of the dynamometer; the loading mechanism comprises a force application adjusting unit and a dowel bar, one end of the dowel bar is connected with one end of the first universal connecting mechanism, and the force application adjusting unit is fixed on the periphery of the dowel bar; one end of the first fixing column is connected with the other end of the testing component, and the second fixing column is arranged on the periphery of the dowel bar in a sleeving mode; one end of the counter-force frame is connected with the first fixing column, and the other end is connected with the second fixing column. The test method comprises the following steps: rotating the force application adjusting unit to change the stress borne