A guide fixture for assembly of long-axis parts and components and its use method

Abstract

A guide fixture for assembly of long shaft components, including a guide shaft, a guide plate, screws, washers, and hexagon head bolts; the front end of the guide shaft is coated for protection; the size of the fixture is determined according to the size of the rotor and stator components to be assembled, The size of the notch of the guide plate is consistent with the size of the mounting side of the stator assembly to be assembled, and the size of the guide shaft is consistent with the outer diameter of the outer ring of the guide shaft to be assembled. The method of use is to rotate the high-voltage assembly in the horizontal direction, install the guide disc in the guide fixture on the front end of the two-pivot mounting base, and fix it with screws; pass the turbine shaft head through the guide shaft, and use the guide shaft to adjust the low pressure circumferentially The position of the turbine rotor assembly; drop the low vortex rotor assembly, and pay attention to observe the gap between the rotor and stator seals during the falling process, and finally install the low vortex into the high pressure assembly. The invention has the advantages of solving the problem that the long-axis rotor assembly is easy to damage the mating and stator assemblies during assembly, ensuring the safe assembly of the long-axis rotor assembly and effectively saving costs.

Description

technical field [0001] The invention relates to the technical field of aero-engine assembly, in particular to a guiding jig for assembly of long shaft components. Background technique [0002] The low-pressure turbine rotor assembly of the aero-engine passes through the high-pressure rotor assembly through the long-sized low-volume shaft, and uses the sleeve teeth on the low-pressure turbine shaft to transmit the torque of the low-pressure turbine rotor to the fan rotor and drive the fan to work, so as to ensure the normal operation of the aviation turbofan engine. Work. [0003] When the low-pressure turbine rotor assembly is assembled, one end of the high-pressure assembly of the engine needs to be penetrated to the other end. Because the low scroll shaft is a cantilever part that lacks a positioning device, the movement of the shaft end is relatively large, and the assembly clearance of the stator part is too small. During the assembly process, it is easy to damage and s...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to aim at the potential quality problems caused by the special structure of long-axis parts, and specially provides a long-axis component assembly guide fixture

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