Measuring device

By designing a measuring device for aircraft engine assembly, using precision rotating mechanism and jump measurement technology, the problems of complex measurement, long cycle and low accuracy in traditional methods are solved, and more efficient and more accurate assembly measurement is achieved.

CN119665881AActive Publication Date: 2025-03-21AECC COMML AIRCRAFT ENGINE CO LTD
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Patent Information

Application Number
CN202311227571.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-21
Publication Date
2025-03-21
Estimated Expiration
2043-09-21

AI Technical Summary

Technical Problem

The measurement method of aero engine rotation statics is complex and relies on a precision rotary table, resulting in long cycles, low accuracy and high tool cost.

Method used

A measuring device is designed, including a first measuring rod, a static support seat, a rotor support seat and a precision rotating mechanism, and precise measurement of the engine rotor component and the static component are achieved through jump measurement.

Benefits of technology

It reduces assembly difficulty, improves measurement accuracy and efficiency, reduces dependence on precision rotary tables, and meets the hole detection inspection requirements of rotor components.

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Abstract

A measuring device is used for implementing run-out measurement in the engine assembling process and comprises a first measuring rod, a stator supporting seat, a rotor supporting seat and a rotating mechanism, the first measuring rod is used for installing a measuring instrument, the stator supporting seat is used for being connected with a stator component of an engine, and the rotor supporting seat is used for being connected with a rotor component of the engine. The rotating mechanism comprises an inner ring, a middle ring and an outer ring, the first measuring rod is located at the center of the rotating mechanism, the rotor supporting seat is arranged on the middle ring, and the stator supporting seat is arranged on the outer ring, so that the rotor supporting seat and the stator supporting seat can respectively rotate relative to the inner ring.
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