Simple detection device for coaxiality of stepped hole

• Main Authors: MAO LEI, LIU JIANGFAN, LIU XIONGZHANG
• Format: Patent
• Language: Chinese; English
• Published: 22.11.2022
• 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 simple detection device for coaxiality of stepped holes, which comprises a base, a slide block seat and a fixed seat arranged above the base, a slide groove arranged in the slide block seat, a slide block slidably mounted in the slide groove, a screw hole arranged on one side of the slide block close to the slide groove, an adjusting screw rod rotatably mounted in the screw hole, and a slide hole arranged on one side of the slide block far away from the slide groove. A mandrel is installed in the sliding hole, a detection block A is screwed on the inner side of the mandrel through threads, and a coaxial circular shaft is arranged at the end of the inner side of the mandrel. A through hole is formed in the fixing base, a hole shaft is installed in the through hole, a detection block B is screwed to the inner side of the hole shaft through threads, and a cylindrical hole is formed in the end of the inner side of the hole shaft. The diameter of the cylindrical hole is equal to that