Visual measurement system for three-dimensional boundary dimension of large sealing ring

• Main Authors: WANG DIANHUAI, QIN JIANHUA, ZHOU LUJING, LIU ZHIWEI, HUANG MINGMING, HUANG PENG, LIU CHENGHAO
• Format: Patent
• Language: Chinese; English
• Published: 14.01.2022
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The invention discloses a visual measurement system for the three-dimensional boundary dimension of a large sealing ring, and belongs to the technical field of sealing ring dimension measurement. The system comprises an objective table, a centering clamping device, a scanning device and a driving frame for supporting the scanning device and driving the scanning device to move along x-axis, y-axis and z-axis directions, wherein the centering clamping device comprises a rotating disc, a stepping motor and a plurality of clamping arms, a circular structure light emitting device is arranged above the circle center of the rotating disc, the stepping motor is used for driving the rotating disc to rotate forwards and backwards and driving the plurality of clamping arms to retract and release, the scanning device comprises a first camera and a second camera, and a wire structure light emitting device is arranged between the first camera and the second camera. According to the invention, through multiple images, the c