Inner aperture precision measurement equipment

• Main Authors: LI ZUHUA, LI ZUYUAN
• Format: Patent
• Language: Chinese; English
• Published: 28.03.2023
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The utility model discloses an inner aperture precision measuring device, which structurally comprises a base, a slide groove arranged at the inner bottom end of the base, a transmission assembly slidably mounted on the slide groove, a bedplate mounted at the top end of the base, a cross beam arranged at the top end of the base, a positioning measuring head arranged in the middle of the cross beam, and a movable measuring head mounted on the floating seat, the positioning measuring head and the movable measuring head are provided with protruding structures used for making contact with a measured object, the top face of the platen extends upwards to form a boss, and a bracket is embedded in a through hole of the boss. The length of the positioning measuring head and the movable measuring head extending out of the bracket can be adjusted by loosening the fixed bolt abutting against the bracket and then pinching the bracket to pull upwards or put down downwards, so that the groove of the workpiece to be measured