Air pressure rigidity adjusting device and method for fixing sensor in model test

• Main Authors: LIU BAOZUO, SUN YUWEI, YANG ZHIGUANG, HAN BINGFU, YU YUANLONG, YAN GUANGBIN
• Format: Patent
• Language: Chinese; English
• Published: 23.03.2021
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses an air pressure rigidity adjusting device and method for fixing a sensor in a model test, and the device comprises an air blower, ultra-small-section arched polyamide fiber inflation hoses, a stress sensor, a strain sensor, an air delivery pipe, a pressure gauge, and an air valve: the outer wall of one side of the output end of the air blower is fixedly connected with the air delivery pipe; the outer walls of the two ends of the air conveying pipe are fixedly connected with the ultra-small-section arched polyamide fiber inflation hoses, a model box body is arranged on one side of the air blower, and the ultra-small-section arched polyamide fiber inflation hoses are inserted into the model box body. The device can be inflated to improve the rigidity of the fixing device and accurately position the installation direction and position of the sensor in the filling process of rock-soil body similar materials; in the experiment process, the rigidity of the fixing device is reduced through de