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Flexible high-pressure capsule body and preparation method thereof

A technology of high-pressure capsules and capsules, which is applied in the fields of pressure detection, compression and impact resistance detection, can solve the problems of narrow application areas, reduce flange displacement, strong compression resistance and tensile deformation performance, and enhance compression resistance Effect

Inactive Publication Date: 2019-06-07
哈尔滨经纬复合新材料工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ordinary flexible high-pressure capsules can only provide pressure below 0.5 MPa, and the application area is narrow

Method used

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  • Flexible high-pressure capsule body and preparation method thereof
  • Flexible high-pressure capsule body and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 1) Immerse the aramid fiber material in the solution of silane coupling agent and dry it. Coat the dried material with a polyurethane solution prepared with ethyl acetate on one side and dry it. The length is 1500mm, the width is 900mm, the height is 400mm, and the thickness is 1.6mm. The size is woven with processed aramid fiber as a whole. The coated side is on the outer layer, and a circular air hole is reserved at the top to obtain the inner capsule; 2) 1. Use sealing and fastening flanges with two or more compression grooves for fastening, and the outer flange and the compression flange are compressed and fixed at the circular air hole to form a sealing joint structure that prevents the flange from being pulled out; the sealing is tight The diameter of the solid flange is 88mm; 3) A high-strength fiber composite material is prepared by compounding aramid fiber with ultra-high molecular weight polyethylene, and the overall weaving is carried out according to the desi...

Embodiment 2

[0029] 1) Immerse the aramid fiber material in the solution of silane coupling agent and dry it. Coat the dried material on one side with a rubber solution prepared with dimethyl sulfoxide and dry it. The length of the capsule is 1500mm, the width is 900mm, the height is 400mm, and the thickness is 2.0mm. The size of the treated aramid fiber is woven as a whole. The coated side is on the outer layer, and a circular air hole is reserved at the top to obtain the inner capsule; 2) The sealing and fastening flanges respectively containing more than two compression grooves are used for fastening, and the outer flange and the compression flange are compressed and fixed at the circular air hole to form a sealing joint structure that resists pull-off of the flange; The diameter of the sealing and fastening flange is 88 mm; 3) A high-strength fiber composite material is prepared by compounding aramid fiber with ultra-high molecular weight polyethylene, and the overall weaving is carried...

Embodiment 3

[0031] 1) Immerse the aramid fiber material in the solution of silane coupling agent and dry it. Coat the dried material on one side with a rubber solution prepared with ethyl acetate and dry it. The length is 1500mm, the width is 900mm, the height is 400mm, and the thickness is 2.0mm. The size is woven with processed aramid fiber as a whole. The coated side is in the outer layer, and a circular air hole is reserved at the top to obtain the inner capsule; 2) 1. Use sealing and fastening flanges with two or more compression grooves for fastening, and the outer flange and the compression flange are compressed and fixed at the circular air hole to form a sealing joint structure that prevents the flange from being pulled out; the sealing is tight The diameter of the solid flange is 88mm; 3) A high-strength fiber composite material is prepared by compounding aramid fiber with ultra-high molecular weight polyethylene, and the overall weaving is carried out according to the designed s...

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Abstract

The invention discloses a flexible high-pressure capsule body and a preparation method thereof. The flexible high-pressure capsule body can provide a high pressure of 3-10 MPa, and can realize single-point or global internal-pressure resistance test for a steel structure and a concrete structure. The flexible high-pressure capsule body is formed by combining an inner capsule and a tiepiece jacketand cooperating with specially-made flanges, and can withstand the pressure ten times higher than the pressure of an ordinary flexible capsule.

Description

technical field [0001] The invention relates to a flexible high-pressure capsule and a preparation method thereof, in particular to a flexible capsule capable of withstanding a high pressure of 10 MPa, which can be widely used in the fields of pressure detection, pressure resistance and impact resistance detection, and the like. Background technique [0002] The capsules have many uses. The existing capsules are basically made of thermoplastic materials such as woven cloth coated with polyester and PVC, which are prepared by simple stitching, or are made of sheets prepared by vulcanized rubber technology and then bonded with adhesives. They are prepared by simple stitching technology. The capsules made of these materials are low in strength, easy to leak at the seams, poor in air tightness, and short in working time, while the capsules prepared by the vulcanized rubber process are also low in strength, not pressure-resistant, and poor in safety, and the thickness of the vulca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/02
Inventor 荆祥海许良彪单志勇赵国振
Owner 哈尔滨经纬复合新材料工程有限公司
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