Connecting device of extensometer calibration instrument

• Main Authors: YU ZELI, ZHANG BING, ZHENG YI, ZHU LUYAO, ZHANG YIXIN
• Format: Patent
• Language: Chinese; English
• Published: 05.05.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The utility model discloses a connecting device of an extensometer calibration instrument, which comprises two guide vertical shafts, two centering shaft connecting blocks which are arranged on the guide vertical shafts in a penetrating manner and slide along the guide vertical shafts, an elastic rope which synchronously moves along with the centering shaft connecting blocks and is used for connecting a cutting edge of an extensometer, and a rotation control mechanism for controlling the two guide vertical shafts to synchronously rotate in opposite directions, two ends of the elastic rope are respectively connected with the two guide vertical shafts and are tightened along with the rotation of the guide vertical shafts. According to the utility model, the rotation control mechanism is arranged to control the two guide vertical shafts to synchronously and reversely rotate, so that the two elastic ropes are synchronously driven to be tightened, the extensometer cutting edges and the calibration instrument cente