Special device for detecting straightness of inner holes of power station porcelain bushings

• Main Author: ZHOU ZHAOXIONG
• Format: Patent
• Language: Chinese; English
• Published: 12.01.2021
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The utility model discloses a special device for detecting straightness of an inner hole of a power station porcelain bushing. The special device comprises a circular steel pipe, a positioning disc and a detection plate, the positioning disc is of a cross-shaped sheet structure, a steel pipe hole is formed in the center of the positioning disc, strip-shaped distance adjusting groove holes are formed in all branches, surrounding the steel pipe hole, of the cross shape, and positioning pins are arranged on all the strip-shaped distance adjusting groove holes in a distance adjustable mode. The detection plate is inserted into the through groove in the circular steel pipe and is fastened through bolts. Two ends of the circular steel pipe are respectively inserted into the steel pipe holes of the positioning plates on two sides. According to the utility model, the two positioning discs and the detection plate are adopted, the straightness of a product is detected through the rotation of thedetection plate in the p