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Test system and method for realizing performance simulation test of high-temperature metal sealing ring

A metal sealing ring and test system technology, which is used in machine sealing ring testing, using liquid/vacuum for liquid tightness measurement, control/regulation systems, etc. It can solve the problem of lack of automated test components and relevant parameters. means, can not adjust the parameter test and other issues

Active Publication Date: 2021-06-04
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with this patent, the difference is that it lacks automatic testing components, and there is no effective monitoring method for related parameters. It is only designed and developed for a simple function, and cannot adjust parameters for various complex working conditions.

Method used

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  • Test system and method for realizing performance simulation test of high-temperature metal sealing ring
  • Test system and method for realizing performance simulation test of high-temperature metal sealing ring
  • Test system and method for realizing performance simulation test of high-temperature metal sealing ring

Examples

Experimental program
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Effect test

Embodiment 1

[0032] Embodiment 1: The main structure of the tester body whose compressibility cannot be adjusted is as attached image 3 , 4 shown. The body of this type of tester mainly includes an upper gland, a heating plate, and a base. The base is the foundation of the tester body. Its main functions include forming an airflow path with an external hot air system, and forming a fixed compression ratio of the seal to be tested with the upper cover. , Install various sensors, etc. The base contains two installation positions of the seals to be tested with different diameters and specifications, which can realize the performance test of the seals to be tested with different specifications under various working conditions.

[0033] The heating plate, the external hot air system and various sensors are all connected to the PLC measurement and control system, and the measurement and control software performs unified automatic data collection and control, which reduces the complexity of th...

Embodiment 2

[0035] Embodiment 2: The main structure of the tester body with adjustable compression rate is as attached Figure 5 shown. The main body of this type of tester mainly includes an upper layer gland, a heating plate, an intermediate positioning adjustment block, and a base. The base is the foundation of the tester body. The combination of the cover and the replaceable intermediate positioning adjustment block determines the compression ratio of the seal to be tested, etc.

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Abstract

The invention discloses a test system and method for realizing a high-temperature metal sealing ring performance simulation test. The test system is mainly composed of the following parts: an external hot air system (including an air compressor and a high-temperature wind tunnel); a high-temperature sealing tester body; a test piece installed in the body; a measurement box; and a temperature sensor, a pressure gauge, a flow meter and the like that are installed at key positions. On one hand, the design of the test working condition covers the actual operation working condition range; on the other hand, the corresponding relation between the test condition and the actual operation condition needs to be explained. The device is mainly developed and designed for the C-shaped metal sealing ring, and a subsequent high-temperature sealing principle verification test is carried out. According to existing experiment conditions and parameters, sealing airtightness and heat sealing performance tests under actual working conditions are carried out, so that the sealing element performance of an aircraft in a real operation environment is guaranteed.

Description

technical field [0001] The content of the present invention provides a test system and method for realizing a performance simulation test of a high-temperature metal sealing ring, which specifically belongs to the field of seal testing, and is especially suitable for testing the sealing performance of a high-temperature metal sealing ring. The invention relates to an automatic sealing ring performance testing system with adjustable temperature, adjustable air pressure and adjustable compression rate. Background technique [0002] Rubber O-rings are one of the most commonly used seals in actual aircraft, and are mainly used for sealing media such as lubricating oil, fuel oil, and gas in aircraft. For the material of the sealing ring, the commonly used materials are mainly fluororubber, silicone rubber, fluorosilicone rubber, etc., and the sealing rings of the above materials can meet the basic sealing requirements when the working temperature is below 250 °C. However, with t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/26G01M13/005G01M9/04G05D23/19G05B11/42
CPCG01M3/26G01M13/005G01M9/04G05D23/1919G05B11/42
Inventor 陈立芳唐奇王维民邹鸿超郭仪翔周博
Owner BEIJING UNIV OF CHEM TECH
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