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A dynamic monitoring method and device for inner diameter shrinkage of wound metal liner

A metal liner, dynamic monitoring technology, applied in the field of monitoring, can solve the problem of real-time monitoring of the shrinkage of the inner diameter of the metal liner, etc., and achieve the effects of simple equipment, easy equipment, and high measurement accuracy

Active Publication Date: 2021-04-27
核工业第八研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no method for real-time monitoring of the inner diameter shrinkage of the metal liner in the prior art

Method used

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  • A dynamic monitoring method and device for inner diameter shrinkage of wound metal liner
  • A dynamic monitoring method and device for inner diameter shrinkage of wound metal liner
  • A dynamic monitoring method and device for inner diameter shrinkage of wound metal liner

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Experimental program
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Embodiment

[0024] A dynamic monitoring device for the shrinkage of the inner diameter of the wound metal liner, its structure is as follows figure 1 As shown, the device includes a base 2 , a connecting bracket 3 , an eddy current displacement sensor 4 , and a fixing bracket 5 . The bottom end of the connecting bracket 3 used is connected on the base 2, and the top is provided with a fixed bracket 5 in a ring or arc-shaped structure. The fixed bracket 5 used in this embodiment is an arc-shaped structure, which is convenient to put in The metal liner 1 to be detected is conveniently specified. A double number of eddy current displacement sensors 4 are arranged in the fixed bracket 5 and are evenly distributed on the inner surface of the fixed bracket 5 . The metal liner 1 to be detected is arranged in the area surrounded by the fixed bracket 5 . In order to obtain better detection accuracy, the area surrounded by the metal liner 1 and the fixing bracket 5 is arranged concentrically.

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PUM

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Abstract

The invention relates to a method and device for dynamically monitoring the inner diameter shrinkage of a wound metal liner. The eddy current displacement device is monitored on the periphery of the wound metal liner, and is used to monitor the multi-point cross section of the metal liner during the winding process in real time. Deformation, so as to realize the dynamic monitoring of the shrinkage of the inner diameter of the wound metal liner. The invention uses the eddy current displacement method to measure the change of the inner diameter of the winding metal liner in real time, which can provide accurate and effective process monitoring data for the research on the process parameters of the winding metal liner, and then realize the improvement or optimization of the design of the winding scheme, and can also be used in winding products. Real-time monitoring of product quality during production.

Description

technical field [0001] The invention relates to a monitoring method, in particular to a method and a device for dynamically monitoring the inner diameter shrinkage of a wound metal liner. Background technique [0002] In the field of winding technology, winding metal liner is a production process widely used in composite gas cylinders, composite pressure pipe fittings and other products. By winding fiber materials, etc., on the surface of the metal liner (such as steel, aluminum alloy and titanium alloy, etc.) with increased tension, the metal liner is under pressure in the initial state, thereby improving the elastic working range of the overall structure of the product, and improving the quality of the product. Purpose of rated working pressure. However, there is no method for real-time monitoring of the shrinkage of the inner diameter of the metal liner in the prior art. Contents of the invention [0003] The purpose of the present invention is to provide a dynamic mo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17C1/06
CPCF17C1/06F17C2209/2154
Inventor 饶聪程涵陆伟国李星贵谢宇辉
Owner 核工业第八研究所
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