Rotor stator positioning device and its positioning method

Abstract

The invention provides a rotor and stator locating device comprising an inner half, an outer half and a precise fine adjustment bolt, wherein the inner half comprises a precise shaft, a first limitingstructure and a second limiting structure. The precise shaft is matched with an axial hole of a rotor part and controls the radial clearance of the rotor part and a stator part. The first limiting structure is in matched connection with the outer half. The second limiting structure is connected with the rotor part. The outer half comprises a third limiting structure in matched connection with theinner half, and a fourth limiting structure used for being connected with the stator part. The precise fine adjustment bolt is in threaded connection with the inner half so as to axially precisely locate the rotor part and to precisely control the axial clearance of the rotor part and the stator part. In addition, the invention further relates to a method for rotor and stator locating through therotor and stator locating device.

Description

technical field [0001] The present application relates to a rotor-stator positioning device and a positioning method thereof, in particular to an aerospace engine precision rotor-stator positioning device and a positioning method thereof which require precise axial and circumferential positioning at the same time, and belongs to the field of turbomachinery assembly. Background technique [0002] As one of the key components of energy conversion, turbomachinery is widely used in aerospace and other mechanical fields. The assembly of turbomachinery is an important link in the production of turbomachinery. Its assembly quality has a non-negligible impact on the realization of product performance, and its assembly efficiency is one of the restrictive factors for product engineering application. [0003] When the rotor part and the stator part of the turbomachinery are press-fitted, the parts that match the rotor-stator are generally press-fitted on the rotor shaft, and the parts...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problems such as the difficulty in centering and positioning of the precision rotor of a certain precision turbine machinery, many factors affecting the press-fitting of parts, low engineering applicability, and inability to lean assembly, this application provides a rotor-stator positioning device , the positioning device realizes precise axial and circumferential positioning of the rotor and stator parts at the same time through the precise dimensions of its various parts and its precise connection with the rotor and stator parts. Before adjusting parts), accurately center the rotor and stator parts and control the radial clearance of the rotor and stator, and axially adjust and correct the influence of bearing clearance and part machining error on the axial position and axial clearance. At the same time, during the press-fitting process Precisely control the rotor-stator gap, so as to achieve the purpose of centering, distance adjustment, anti-rotation, improve the quality of rotor-stator pressing, and realize lean assembly

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