High-precision sealing test device in thermal vacuum environment

A sealing test and thermal vacuum technology, which is used in measuring devices, mechanical parts testing, and machine/structural parts testing. The effect of feature testing

Inactive Publication Date: 2016-04-20
ZHEJIANG GONGSHANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems that the deformation of the test piece in the thermal vacuum test affects the test, and the test of the no-load characteristics of the test piece in the thermal vacuum environment is difficult to operate, the present invention provides a thermal vacuum that is not affected by the deformation of the test piece and can be easily operated. High-precision sealed transmission test device in vacuum environment

Method used

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  • High-precision sealing test device in thermal vacuum environment
  • High-precision sealing test device in thermal vacuum environment
  • High-precision sealing test device in thermal vacuum environment

Examples

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Embodiment Construction

[0038] combined with Figures 1 to 3 , A high-precision sealing test device in a thermal vacuum environment, including an adjustment base, an observation group 3, a lever device, and a connecting spline. The adjusting base is installed in the thermal vacuum box, the connecting spline connects the output shaft 9 of the test piece and the magnetic fluid seal transmission shaft 6, the lever device is fixed in the thermal vacuum box and the paddle acts on the connecting spline On the key, the observation group 3 is installed on the top and side of the thermal vacuum box and is opposite to the side of the output shaft 9 of the test piece.

[0039] Described adjusting support comprises workpiece fixing plate 23, device fixing plate 15, driving shaft 16, driven shaft 22, driving gear 21, driven gear 14, clutch. Four driven shafts 22 are supported between the workpiece fixing plate 23 and the device fixing plate 15, and double floating joints 12 are installed between the driven shaft...

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Abstract

A high-precision sealing test device in a thermal vacuum environment comprises an adjusting machine base, an observation set, a lifting lever device, a connecting spline and a thermal vacuum box. The adjusting machine base is arranged in the thermal vacuum box, a piece to be tested is arranged on the adjusting machine base, the piece to be tested is connected with an output shaft of the piece to be tested, the output shaft of the piece to be tested is connected with a magnetic fluid sealing transmission shaft through the connecting spline, the magnetic fluid sealing transmission shaft penetrates through the thermal vacuum box and is guided out of the box, the connecting spline is connected with the lifting lever device, the lifting lever device is arranged in the thermal vacuum box, and the observation set is arranged on the box wall of the thermal vacuum box. An observation lens is adopted to observe and record the position of the output shaft of the piece to be tested, the separation and the connection of the output shaft of the piece to be tested and the magnetic fluid sealing transmission shaft are controlled through the lifting lever device, the space position of the piece to be tested in the thermal vacuum box is adjusted through the adjusting machine base, the influence of the deformation of the piece to be tested in a thermal vacuum test on the test is effectively avoided, and the device is suitable for a high-precision sealing transmission test in the thermal vacuum environment, simple in operation and high in precision.

Description

technical field [0001] The invention relates to a transmission test device under thermal vacuum test Background technique [0002] Aerospace equipment has extremely high performance requirements due to the particularity of its application in the outer space environment. In order to meet the design requirements, it is necessary to simulate the thermal vacuum environment of outer space on the ground, and test the performance and function of the DUT under vacuum and thermal cycle conditions. For example, in the thermal vacuum test that drives or loads the tested part to simulate the drive and load of the tested mechanism, not only a reasonable transmission device is required, but also real-time high-precision measurement equipment such as torque, rotation angle and rotational speed. Ability. [0003] Due to the reduced reliability of sensors and power equipment in a thermal vacuum environment, the service life is shortened, and it is difficult to control during the test proce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/00
Inventor 谢毅
Owner ZHEJIANG GONGSHANG UNIVERSITY
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