Puller for turbine disc of aero-engine

Abstract

A puller for a turbine disc of an aero-engine comprises claws, a shaft sleeve, a sleeve, a gland, a support, a handle and a screw. The shaft sleeve is fixedly connected to the center of a base where the engine turbine disc is located, and the sleeve and the gland are sequentially installed on the shaft sleeve in an overlapped mode; one end of the screw penetrates through a threaded hole formed in the middle of the support and then abuts against the top of the gland, the handle penetrates through the other end of the screw, and the screw can be rotated by rotating the handle; and one ends of the claws are connected to the support, and the other ends of the claws are clamped on the engine turbine disc. Through the implementation of the puller, the engine turbine disc is kept to be lifted in the direction perpendicular to the base in the dismounting process, the engine turbine disc can be pulled out in the direction perpendicular to a clamp, a rhombic pin is prevented from breaking off, meanwhile, the engine turbine disc can be easily pulled out, meanwhile the puller is simple in structure, convenient to dismount, and high in working efficiency, and the dismounting time required by machining of aero-engine parts can be greatly shortened.

Description

Technical field [0001] The present invention belongs to the field of aviation engine manufacturing techniques, particularly directed to the puller aeroengine turbine disk is provided. Background technique [0002] During the manufacture of aircraft engines, it is necessary to finish the high-pressure turbine disk by the positioning hole into the base, the inner hole of the clamp using 0.05 clearance fit, into the bottom tray to prevent the turbine disk axial rotation pin diamond, diamond interference fit pin, and now generally by hand pull method, the manual method is not easy to grasp the direction can not be maintained during disassembly vertical direction to lift the clip seat parts, often occurs due to collision parts by weight result pin broken off pin situation. Thus, the need to provide a removed part in the vertical direction to prevent the parts by weight of the impact caused by the pin broken off pin. Inventive content [0003] To solve the above problems, the present ...

AI Technical Summary

Problems solved by technology

[0002] In the manufacturing process of aero-engines, the finished high-pressure turbine disk needs to be positioned and loaded into the base through the inner hole. The inner hole and the fixture adopt a 0.05 gap fit, and the bottom of the turbine disk falls into the diamond-shaped pin to prevent the disk from axial rotation. The pin adopts interference fit, and now it is generally used to pull out by hand. The direction of the manual method is not easy to grasp, and it is impossible to lift the part vertically to the base of the fixture during the disassembly process. Often, the pin is broken due to the weight of the part hitting the pin. situation occurs

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