Spiral steel pipe joint closing angle detection method, device and equipment

• Main Authors: CAI XIAOQING, PENG KAIJUN, CAI XUMING, CHEN LIANG, HUANG BIN'AN, LUO HONGFU, DAI LEI
• Format: Patent
• Language: Chinese; English
• Published: 28.06.2024
• Subjects: CALCULATING; COMPUTING; COUNTING; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The invention discloses a spiral steel pipe joint closing angle detection method, device and equipment, and belongs to the technical field of spiral steel pipes. The method comprises the steps that a first image of a spiral steel pipe joint closing area is obtained, and the first image comprises at least two laser rays penetrating through a delivery edge and a free edge in the joint closing area; the first image is filtered, a filtered image is obtained, and the filtered image comprises laser rays; edge feature point extraction is carried out on the filtered image, coordinates of multiple feature points are obtained, and the coordinates of the multiple feature points comprise the coordinates of the feature points on the side of the delivery edge and the coordinates of the feature points on the side of the free edge; the joint closing angle is determined based on the coordinates of the feature points on one side of the delivery edge and the coordinates of the feature points on one side of the free edge, the jo