Variable gauge calliper calibration device

By combining a fixed support base, a main calibration block, and an adapter block, the compatibility and accuracy issues of the medium diameter gauge calibration device are solved, enabling efficient and accurate calibration of multiple pipe fittings, reducing costs and improving operational efficiency and safety.

CN122107893APending Publication Date: 2026-05-29CNOOC ENERGY DEV EQUIP TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CNOOC ENERGY DEV EQUIP TECH
Filing Date
2026-04-27
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing medium diameter gauge calibration devices suffer from poor adaptability, easy loss of accuracy, high operation and maintenance costs, and low efficiency, making it difficult to meet the rapid testing needs of various pipe fitting specifications.

Method used

It adopts a combination structure of fixed support base, main calibration block, adapter standard block and positioning locking component, and achieves high-precision calibration of multi-specification pipe fittings through hole-based clearance fit and quick-release locking buckle, abandoning the traditional threaded transmission structure, simplifying operation and improving stability.

Benefits of technology

It enables efficient and accurate calibration of various pipe fitting specifications, reduces equipment costs, improves operational efficiency and accuracy stability, has a wide range of applications, and is safe and reliable.

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Abstract

The application provides a variable specification middle diameter gauge calibration device, which comprises a fixed support seat, a main calibration block, an adaptive block and a positioning locking piece, the fixed support seat is provided with a horizontal reference surface, and each end of the horizontal reference surface is provided with a support boss, the main calibration block is limited and arranged through the adaptive block and the support boss at the corresponding end, and the main calibration block, the adaptive block and the support boss at the corresponding end are fixedly connected through the positioning locking piece. The application has the advantages of simple structure, stable precision, abandonment of a traditional threaded transmission structure, complete elimination of the precision deviation caused by the wear gap, long-term use without maintenance of the transmission components, realization of the calibration of multiple specifications of pipe fittings through the replacement of adaptive blocks with different thicknesses, flexible adaptation, efficient operation, coverage of a wide range of sizes through only one set of main calibration blocks matched with multiple specifications of adaptive blocks, great reduction of equipment cost, wider application scenarios, adoption of a circular arc transition design, and avoidance of scratching of operators by sharp corners.
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