Adjustable stator blade mounting angle measuring device and method and axial-flow compressor

Abstract

The invention discloses an adjustable stator blade mounting angle measuring device and method and an axial flow compressor. The device comprises a positioning base, a measuring plate, a fastener and a universal angle gauge, the positioning base comprises a bottom plate and a support column fixed on the bottom plate, the bottom plate is provided with a positioning part for positioning the bottom of a cartridge receiver , so that the axis of the positioned cartridge receiver is perpendicular to the plane of the bottom plate; the measuring plate can be rotatably mounted at the top end of the supporting column around the axis of the cartridge receiver on the positioning part; the universal angle gauge is installed at one end of the measuring plate, and the fastener is used for locking the measuring plate on the supporting column so that a ruler of the universal angle gauge can be adjusted to be tightly attached to the air inlet and outlet edge of the stator blade and then lock the measuring plate, and therefore the mounting angle of the stator blade can be read through the universal angle gauge. The measuring device can ensure that the mounting angle of the stator blade is accurate, the measuring efficiency of the mounting angle of the stator blade is improved, and a measured part is prevented from being damaged during measurement.

Description

technical field [0001] The invention relates to the technical field of aero-engine assembly measurement, in particular to an adjustable stator vane installation angle measurement device, a measurement method using the measurement device, and an axial-flow compressor assembled after measurement by the measurement device. Background technique [0002] Such as figure 1 As shown, the axial flow compressor is an important component of the turboshaft aeroengine. The axial flow compressor includes a casing 10 and a plurality of stator blades 20 arranged in an annular array installed on the inner wall of the casing 10 . The adjustable stator blades 20 can change the air flow entering the engine, and the axial-flow compressor adopts the method of adjusting the stator blades 20, which can well meet the requirement for the margin when the engine works stably. Wherein, each stator blade 20 has a rocker arm, and the stator blade 20 together with the rocker arm is locked and fixed on the...

AI Technical Summary

Problems solved by technology

At present, three coordinates are used to measure the installation angle, which seriously restricts the measurement efficiency, and it is easy to cause bump damage to the parts during the measurement process.

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