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Jacket type water pressure testing device of large-caliber glass steel pipeline

A technology of hydraulic test and glass fiber reinforced plastic, which is applied in measuring device, using stable tension/pressure test material strength, instrument, etc., can solve the problems of cumbersome pressure test operation, large floor space and high cost, and save time. and process, small footprint, fast hydraulic test effect

Pending Publication Date: 2018-04-03
NANJING XINHE COMPOSITES CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

Especially at present, the hydrostatic test of large-diameter FRP pipelines usually requires a large-scale device to meet the large-scale water volume and axial force required; the traditional large-diameter hydraulic testing machine device occupies a large area, is expensive, and the pressure test operation is cumbersome. long time

Method used

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  • Jacket type water pressure testing device of large-caliber glass steel pipeline

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Embodiment Construction

[0018] The present application will be described in detail below in conjunction with specific embodiments.

[0019] Such as figure 1 A jacketed hydrostatic test device for a large-diameter FRP pipe is shown, which includes a cantilever arm 1 and a sleeve 2 sleeved outside the cantilever arm 1, the pipeline to be tested 3 is sleeved outside the sleeve 2, and the sleeve 2 and The two ends of the pipeline 3 to be tested are sealed and connected, and the middle section forms a cavity interlayer 4 for hydraulic testing. Wherein, the cantilever arm 1 is cylindrical, and is vertically installed on the fixed support 9 in the vertical direction; the sleeve 2 is a steel sleeve, which can be installed directly from the free end of the cantilever arm 1 by sliding-in sleeve. The wall has a double-layer structure, and a pressure-bearing bracket 22 is provided between the inner wall and the outer wall; the edge of the sleeve 2 close to the fixed end of the cantilever arm 1 is integrally pro...

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Abstract

The invention discloses a jacket type water pressure testing device of a large-caliber glass steel pipeline. The jacket type water pressure testing device comprises a cantilever arm and a sleeve cylinder, wherein the sleeve cylinder is sheathed on the cantilever arm; a to-be-tested pipeline is sheathed at the exterior of the sleeve cylinder; the sleeve cylinder is in sealed connection with both ends of the to-be-tested pipeline, and a middle section forms a cavity interlayer for water pressure testing. The jacket type water pressure testing device has the advantages that the structural designis reasonable, the installation and detachment are convenient, the time is shortened, and the procedure is simplified; the whole structure is stable, and the bearing pressure is strong; the size of the cavity interlayer for the water pressure testing is small, the cross section of the interlayer is small, and the formed axial force is small; the amount of testing water is small, and the speed of water pressure testing is quick; by adopting different sizes of sleeve cylinders, the jacket type water pressure testing device is suitable for performing the water pressure testing on the multiple sizes of glass steel pipelines, and the application is more flexible and wide.

Description

technical field [0001] The invention belongs to a hydraulic test device, in particular to a jacketed hydraulic test device for a large-caliber glass fiber reinforced plastic pipe. Background technique [0002] FRP pipe is a light-weight, high-strength, corrosion-resistant non-metallic pipe. Its pipe wall structure is reasonable and advanced, which can give full play to the role of materials. Under the premise of meeting the use strength, the rigidity is improved to ensure the stability of the product performance and reliability, and its application fields are wide. In order to further improve the quality of glass steel pipe products and the safety and reliability of use, all glass steel pipe manufacturers are working hard to strengthen inspection and testing methods. Especially at present, the hydrostatic test of large-diameter FRP pipelines usually requires a large-scale device to meet the large-scale water volume and axial force required; the traditional large-diameter hy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/12
CPCG01N3/12G01N2203/0048G01N2203/0274
Inventor 李忠江杨雷王博羌宇
Owner NANJING XINHE COMPOSITES CO LTD
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