Accurate measuring device for angular rigidity of aero-engine clamp

Abstract

The invention, which belongs to the technical field of test tooling, in particular relates to an accurate measuring device for the angular rigidity of an aero-engine clamp. The accurate measuring device comprises a base, a torque loading device, a torque sensor, a loading head and a clamp mounting seat; and the torque loading device and the clamp mounting seat are disposed on the base. The torqueloading device includes an output shaft, a worm, a worm wheel, and a hand wheel; the hand wheel is arranged on the worm and the worm wheel is arranged on the output shaft; the worm wheel and the wormare mutually meshed; and the two ends of the torque sensor are respectively connected with the loading head and the output shaft. According to the accurate measuring device, the torque loading deviceapplies forces to the clamp and loading is realized based on the worm wheel and the worm, so that the large-angle rotation of the operating head is ensured and small-angle deflection of the clamp is realized; the operation becomes convenient; the worm wheel and the worm can be locked by themselves; and no rebounding is caused during the loading process. And thus the running distance of the loadingrod is controlled precisely.

Description

technical field [0001] The invention belongs to the technical field of test tooling, in particular to a device for accurately measuring the angular stiffness of an aero-engine clamp. Background technique [0002] Aeroengine pipelines are mainly used for the delivery of media such as hydraulic oil, fuel oil, lubricating oil, and air, and are an essential part of aeroengine accessories. [0003] The main structure of the external piping of the aero-engine: it is connected to the casing or accessories to form a self-contained system, or directly connected to each other through clamps to form a relatively complex piping system. [0004] The pipe clamp is used to fix the pipeline in the aviation engine and limit the vibration reduction. Special material metal rubber produces dry friction and has obvious effect on vibration reduction. [0005] The clamp stiffness plays an important role in the dynamic characteristics of the pipeline. [0006] However, the existing test bench de...

AI Technical Summary

Problems solved by technology

[0008] Aiming at the existing technical problems, the present invention provides an accurate measurement device for the angular stiffness of the aero-engine clamp, which can solve the problem of poor measurement accuracy existing in the prior art

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