A kind of low temperature composite material threaded column composition

A technology of composite materials and threaded columns, which is applied in the direction of threaded fasteners, screws, bolts, etc., can solve the problems of high mechanical strength of low temperature resistance, poor low temperature resistance, large thermal conductivity, etc., to improve thermal insulation function and reduce thermal conductivity , the effect of reducing energy loss

Active Publication Date: 2021-07-20
ZHUZHOU TIMES NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that the current threaded column composition cannot meet the requirements of use in a cryogenic environment, the thermal conductivity is large, the low temperature resistance is poor, and cold leakage is prone to occur, a new type with low thermal conductivity and high low temperature resistance is proposed. At the same time, it is composed of low-temperature composite threaded columns with height adjustment and anti-loosening functions.

Method used

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  • A kind of low temperature composite material threaded column composition
  • A kind of low temperature composite material threaded column composition
  • A kind of low temperature composite material threaded column composition

Examples

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Effect test

Embodiment 1

[0034] This embodiment is a preferred structure, such as Figure 1-5 As shown, a low-temperature composite threaded column consists of threaded column and gasket 2, both of which are made of fiber-reinforced composite material with low temperature resistance and good heat insulation performance, threaded column and gasket 2 They are all hollow structures, and the threaded column is provided with an internal thread near the hollow inner side of the gasket 2, and the entire threaded column composition is fixed on the fixing plate 1 through the internal thread.

[0035] Such as Figure 4 and Figure 5 As shown, one annular surface of the gasket 2 is provided with grooves 21 of equidistant tooth structure, and the grooves 21 are filled with aerogel with high thermal insulation performance, and the number, depth and width of the grooves 21 depend on the application environment performance requirement settings. With fiber-reinforced composite material as the skeleton, the gasket ...

Embodiment 2

[0041] Such as Figure 4 and Figure 6 As shown, in this embodiment, the gasket 2 is a groove 21 with equidistant tooth structures arranged on the annular surfaces on both sides, and the groove 21 is filled with airgel. Figure 6The grooves 21 on both sides are arranged in the same way, and the grooves 21 on both sides of the gasket 2 can also be arranged perpendicular to each other. At this time, the thickness of the gasket 2 can be set to be greater than the thickness of the gasket 2 in the first embodiment according to the needs, and only one gasket 2 can be used in one threaded column. Of course, the actual size and quantity of the gasket 2 can be Adjust according to the usage environment.

Embodiment 3

[0043] Such as Figure 7 and Figure 8 As shown, in this embodiment, a groove 21 is provided on one side of the gasket 2, and the groove 21 is filled with airgel, wherein the arrangement of the groove 21 is: the extension line of the centerline of all the grooves 21 All pass through the center of the circle, and all the grooves 21 are arranged symmetrically, which not only ensures the strength of the gasket 2, but also facilitates processing and assembly. When in use, two layers of gaskets 2 can be superimposed, and the positions of the grooves 21 of the two layers of gaskets 2 are stacked at the same position to ensure the strength.

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Abstract

A threaded post made of low temperature composite material, including a threaded post and a gasket. The threaded post includes a hollow base and a post made of fiber reinforced composite material. The inner cavity of the seat is provided with internal threads, and the end of the post near the seat is provided with a The external thread matched with the internal thread of the seat body, the column head and the seat body are threadedly connected to form a height-adjustable whole, and the hollow structure of the column head is filled with airgel. In the present invention, the threaded column is arranged as a multi-segment threaded connection, and the overall height of the threaded column can be adjusted according to the needs during use, which can meet different height requirements and improve the scope of use, and the threaded column and gasket are arranged in the fiber reinforced composite material The structure filled with airgel greatly reduces the thermal conductivity of the threaded column, avoids the leakage of cold in the cryogenic device, reduces energy loss, and improves the working efficiency of the device.

Description

technical field [0001] The invention relates to a threaded column composition, in particular to a composite material threaded column composition used in a low-temperature environment, and belongs to the technical field of cryogenic insulation. Background technique [0002] Cryogenic insulation technology is an important branch in the field of cryogenic technology, which is directly related to the safe operation of cryogenic devices. In addition to the functional insulation layer, the cryogenic circuit also includes a protective plate structure, which is convenient for maintenance and transportation of test products. The protective plate structure is supported by threaded columns. Therefore, the threaded columns are required to have high low-temperature resistance mechanical strength, low thermal conductivity, adjustable height, and anti-loosening function. Once the structural design is unreasonable, the material will conduct heat. If the coefficient does not meet the requir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B35/00F16B35/02F16B33/00F16B43/00F16B23/00
CPCF16B23/0061F16B33/004F16B35/00F16B35/02F16B43/001
Inventor 黄河郑永王雨航张亚新
Owner ZHUZHOU TIMES NEW MATERIALS TECH
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