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Fluid pipeline flexible interface sealing performance internal pressure test bed and use method thereof

A fluid pipeline and sealing performance technology, applied in the field of fluid pipeline flexible interface sealing performance detection, can solve the problems of difficult control of deflection angle, high detection cost, low detection efficiency, etc., so as to reduce installation time, improve installation efficiency, and improve work efficiency Effect

Pending Publication Date: 2020-08-07
马鞍山市产品质量监督检验所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. In the process of testing the sealing performance of the flexible interface of the fluid pipeline, it is necessary to pressurize the inside of the pipeline and test it in a deflected or loaded state. Because the deflection angle is difficult to control, it is easy to cause a pipe burst accident.
[0007] 2. In view of the problems of low detection efficiency and high detection cost, the water injection and air inflation and pressurization of the fluid pipeline can only be realized by adding a water injection port and an air inflation port on the fluid pipeline.

Method used

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  • Fluid pipeline flexible interface sealing performance internal pressure test bed and use method thereof
  • Fluid pipeline flexible interface sealing performance internal pressure test bed and use method thereof
  • Fluid pipeline flexible interface sealing performance internal pressure test bed and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] refer to Figure 1-5 , an internal pressure test bench for the sealing performance of flexible joints of fluid pipelines, including a support system, a top tightening system, an upper end loading mechanism 41, a water injection pipe 2, a drain pipe 11, a pressurized air pipe 8 and a control system, and the support system includes a base 10 , two triangular supports 6 are distributed on the base 10, a middle support 7 is arranged between the two triangular supports 6, slide rails 14 are provided on both sides of the base 10, and slide rails 14 are provided with There is a gantry 4 capable of sliding left and right, and the tightening system includes a left tightening mechanism and a right tightening mechanism 3, the left tightening mechanism and the right tightening mechanism 3 are oppositely arranged, and the left The jacking mechanism includes a left fixed seat 1 and a left hydraulic propulsion device 5, one end of the left hydraulic propulsion device 5 is fixedly conn...

Embodiment 2

[0044]On the basis of Embodiment 1, the left blocking plate 12 or the right blocking plate 13 are provided with a water injection port, a drain port and an air charging port, the water injection pipe 2 is sealed and connected to the water injection port, and the pressurized air pipe 8 is connected to the inflation port, and the drain pipe 11 is sealed and connected to the drain port. The lateral stability mechanism includes a push rod and a V-shaped top block arranged on a section of the push rod. The push rod is driven by hydraulic pressure, and the upper end is loaded. The mechanism 41 includes a loading rod and a V-shaped loading block arranged on a section of the loading rod, and the loading rod is driven by hydraulic pressure.

Embodiment 3

[0046] The difference from the second embodiment is that the propulsion rod is mechanically driven by a lead screw, and the upper end loading mechanism 41 includes a loading rod and a V-shaped loading block arranged on a section of the loading rod, and the loading rod is driven by air pressure.

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Abstract

The invention discloses a fluid pipeline flexible interface sealing performance internal pressure test bed and a use method thereof. The device comprises a supporting system, a jacking system, an upper end loading mechanism, a water injection pipe, a drainage pipe, a pressurizing air pipe and a control system; the supporting system comprises a base, wherein two triangular supports are distributedon the base; a middle support is arranged between the two triangular supports; sliding rails are arranged on the two sides of the base. A portal frame capable of sliding left and right is arranged onthe sliding rail, the upper end loading mechanism is arranged on the portal frame, the portal frame comprises a top transverse frame and longitudinal frames arranged on the two sides of the transverseframe in a supported mode, and lateral stabilizing mechanisms are installed on the longitudinal frames and comprise the front side stabilizing mechanism and the rear side stabilizing mechanism.

Description

technical field [0001] The invention relates to the technical field of testing the sealing performance of flexible joints of fluid pipelines, in particular to an internal pressure test bench for the sealing performance of flexible joints of fluid pipelines and a method for using the same. Background technique [0002] The fluid pipeline flexible interface sealing performance test is a verification method for the ductile iron pipe pressure-bearing pipeline in an environment full of liquid (water) and gas, such as boosting, maintaining, and depressurizing tests; including joint sealing under internal pressure Test and seal test under external pressure, wherein the joint seal test under internal pressure is carried out at the joint of two pipes, each pipe is at least 1m long, no matter whether the joint is in a straight, deflected or loaded state, the test device must have a suitable boundary constraint. [0003] At present, there is no mature product on the market for the spe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/02G01M3/28
CPCG01M3/02G01M3/2853
Inventor 黄飞朱兴江甘正斌姚成虎汪正锐赵伟宋建张金生
Owner 马鞍山市产品质量监督检验所