High-speed rotation testing machine and method for testing high-speed rotation strength performance of rotor

Abstract

The invention discloses a high-speed rotation testing machine and a method for testing the high-speed rotation strength performance of a rotor. The high-speed rotation testing machine comprises a test cavity, a rotor system which is accommodated in the test cavity and used for testing the test rotor, a driving system that drives the rotor system and a rotating speed control system that controls the rotating speed of the rotor system, wherein the driving system includes a driving motor and a speeder which is connected with the driving motor and drives the rotor system to rotate at a high speed, the rotor system includes a test rotor fixed part, a main shaft connected with the test rotor fixed part and driven to rotate by the speeder, and a damper which is sleeved outside the main shaft and supports the main shaft, the test cavity is equipped with a vacuumizing opening, a plurality of layers of containing rings is arranged in the test cavity and surround the rotor system, and the containing rings are connected through spacing blocks arranged at tail ends of the containing rings. The high-speed rotation testing machine uses a high-speed rotating rotor as a test object, the rotor is speeded up through the speeder system, the working condition of the rotor in high-speed rotation is simulated, and the performance requirement of high speed centrifugal load effect resistance of the rotor is tested.

Description

technical field [0001] The invention relates to a rotation testing machine, in particular to a high-speed rotation testing machine and a method for testing the high-speed rotation strength performance of a rotor. Background technique [0002] High-speed rotating machinery is widely used in various fields of national economy. With the development and progress of our country's society, the requirements for production safety have been further improved, and the safety of high-speed rotating machinery has become an important issue. Overspeed rotation strength test and burst strength of high-speed rotors such as automobile engine flywheel, centrifugal compressor impeller, medical centrifuge rotor, turbocharger rotor, centrifuge drum, aeroengine rotor, aerospace propulsion fuel pump rotor, etc. Limit testing has become an important means to assess its strength and safety. The high-speed rotation test of the rotor is also of great significance to the design and structure optimizat...

AI Technical Summary

Problems solved by technology

Although the above-mentioned high-speed rotary testing machine for oil seal testing uses electrical equipment and mechanical means to change the rotation speed to produce a rotation speed of 15,000 rpm, it is only suitable for oil seal testing and high-speed rotation is prone to resonance

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