Test device and method for measuring dynamic resistance coefficient of sealing element at different temperatures

A technology of dynamic resistance and test equipment, which is applied in the direction of measuring devices, mechanical devices, instruments, etc., can solve the problems of large dynamic resistance performance of seals, complex contact conditions and working temperature, and failure of dynamic resistance performance of seals.

Active Publication Date: 2012-08-22
COMAC +1
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Problems solved by technology

Before the measurement, it is necessary to prefabricate the test piece conforming to the size and shape, and it cannot be directly used to measure the dynamic resistance performance of the seal with a certain shape.
In practical engineering applications, especially the seals used on aerospace vehicles, not only the loading force, but also the contact conditions and working temperature are very complicated, which also has a great impact on the dynamic resistance performance of the seals. The traditional friction tester cannot be used. to measure the dynamic resistance performance under these complex conditions

Method used

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  • Test device and method for measuring dynamic resistance coefficient of sealing element at different temperatures
  • Test device and method for measuring dynamic resistance coefficient of sealing element at different temperatures
  • Test device and method for measuring dynamic resistance coefficient of sealing element at different temperatures

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Embodiment Construction

[0059] As required, specific embodiments of the invention will be disclosed herein. However, it should be understood that the embodiments disclosed herein are merely typical examples of the invention, which can be embodied in various forms. Therefore, specific details disclosed herein are not to be considered limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the invention in any appropriate way in practice, This includes taking various features disclosed herein and combining features that may not be expressly disclosed herein.

[0060] figure 1 It shows a test device for measuring the dynamic resistance coefficient of seals at different temperatures according to a preferred embodiment of the present invention. The device includes a base 1, a high and low temperature test chamber 2 located on the base 1, and a The measuring platform 3 in the box 2, the platform guide rail 4 carrying the measuri...

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Abstract

The invention relates to a test device and a test method for measuring the dynamic resistance coefficient of a sealing element at different temperatures and belongs to the field of material mechanical property test. The device comprises a machine seat, a horizontal direction dragging device, a vertical direction motive power loading device, a measuring platform with rolling wheels, a platform guide rail, a high and low temperature test box, a first force sensor, a second force sensor and a microcomputer with data processing program. According to the method, a servo motor is controlled through the microcomputer, a loading head is driven to carry out horizontal and vertical loading on the sealing element on the platform loaded in a temperature box, and the force sensors are used for measuring the positive pressure in the vertical direction and the friction force in the horizontal direction. The test device and the test method can measure the dynamic resistance of the sealing element under different loading and temperature conditions, and have the characteristics that the measurement is convenient and fast, the data is precise, and the like.

Description

technical field [0001] The invention belongs to the technical field of material mechanical performance testing, and relates to a test device and a method for measuring the high-low temperature dynamic resistance coefficient of a seal, in particular to a test device and a method for measuring the high-low temperature dynamic resistance coefficient of a seal. Background technique [0002] The dynamic resistance performance of materials is an important aspect of mechanical properties. The traditional friction test method is to place a standard square sample on a friction tester and pull it at a constant speed to obtain the maximum static friction force and sliding dynamic resistance coefficient of the sheet or film. Before the measurement, it is necessary to prefabricate the test piece conforming to the size and shape, and it cannot be directly used to measure the dynamic resistance performance of the seal with a certain shape. In practical engineering applications, especially...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N19/00
CPCG01N19/02
Inventor 黄枫刘若斯
Owner COMAC
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