High-temperature rotor system axial force testing system and method

A testing system and axial force technology, applied in the testing of mechanical parts, the testing of machine/structural parts, and the measurement of force, etc., can solve the problems of limited use of the rotor system and inapplicability of the rotor system, and achieve long service life and simplification. Test procedure, effect of simplified rotor system structure

Active Publication Date: 2020-04-07
AECC SICHUAN GAS TURBINE RES INST
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

However, this method is limited by the use of the rotor system and is not suitable for all rotor systems

Method used

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  • High-temperature rotor system axial force testing system and method
  • High-temperature rotor system axial force testing system and method
  • High-temperature rotor system axial force testing system and method

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Experimental program
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Embodiment Construction

[0031] Below in conjunction with accompanying drawing, the present invention is further explained.

[0032] Such as figure 1 Shown is a structural diagram of a test system for measuring the bidirectional axial force of a certain rotor system provided by the present invention.

[0033] The system includes a rotating shaft (1), a base (2), an electromagnetic device (3), a displacement plate (4), a sensor mount (5), a radial bearing (6), a displacement sensor (7), a temperature sensor (8 ), current sensor (9), power amplifier (10), control system (11), and PC (12).

[0034] The electromagnetic device (3) includes a stator (15), a coil (16) wound in the slot of the stator (15), suction disks (17) arranged symmetrically with the stator (15), and spacers between the suction disks. disk (18); after the coil (16) is energized, the stator (15) and the suction disk (17) form a magnetic circuit to generate electromagnetic attraction; the electromagnetic force formed between the stator ...

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Abstract

The invention provides an axial force testing system of a high-temperature rotor system. The system comprises a rotating shaft (1), a base (2), an electromagnetic device (3), a displacement disc (4),a sensor mounting base (5), a radial bearing (6), a displacement sensor (7), a temperature sensor (8), a current sensor (9), a power amplifier (10), a control system (11) and a PC (12). The high-temperature rotor system axial force test system provided by the invention adopts a non-contact measurement mode, bidirectional axial force can be measured after one-time installation, meanwhile, the testdevice does not introduce extra interference to the rotor system, and the service life is relatively long.

Description

technical field [0001] The invention belongs to the technical field of mechanical design and testing and control, and in particular relates to a high-temperature rotor system axial force testing system and testing method. Background technique [0002] The axial force of the rotor system is one of the key parameters required to evaluate the structural strength, bearing life, working condition, etc. In some rotor applications where the axial force is dominant, such as heavy vertical rotors, axial flow compressors, aero engines, heavy gas turbines, etc., it is very important to accurately obtain the axial force of the rotor for system performance and life evaluation. [0003] At present, there are mainly direct and indirect methods for the measurement of the axial force of the rotor system in the industry (Ma Qianrong, Wu Hu, Guo Xin. "Axial Force Measurement and Application Research of Core Machines", Measurement and Control Technology, 2013, 23(6), 39-42). The direct method...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/08G01M13/00
CPCG01L1/086G01M13/00
Inventor 王小虎赵强高利霞鄢光荣唐瑞
Owner AECC SICHUAN GAS TURBINE RES INST
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