CN216791880U

CN216791880U - Testing arrangement of combined material hydrostatic pressure

Info

Publication number: CN216791880U
Application number: CN202122172971.2U
Authority: CN
Inventors: 刘金花; 杨宇帆; 张军; 郭正海
Original assignee: Zhenshi Group Huamei New Materials Co ltd
Current assignee: Zhenshi Group Huamei New Materials Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-06-21
Anticipated expiration: 2031-09-09

Abstract

The utility model relates to a testing device for hydrostatic pressure of a composite material, which comprises an air inlet assembly, a liquid inlet assembly, a pressure gauge, a connecting piece, an observation chamber connected with the bottom of the connecting piece, and a composite material fixing assembly connected with the bottom of the observation chamber; wherein, the connecting piece is provided with an air inlet and a liquid inlet, the air inlet component is connected with the connecting piece through the air inlet, and the liquid inlet component is connected with the connecting piece through the liquid inlet; the observation chamber is made of transparent material.

Description

Testing arrangement of combined material hydrostatic pressure

Technical Field

The utility model belongs to the technical field of composite material performance testing equipment, and particularly relates to a testing device for hydrostatic pressure of a composite material.

Background

At present, many composite materials can be widely used in the field of pipelines due to excellent mechanical properties. However, in the prior art, the characterization of the composite material is often required to be manufactured into a pipeline, and then a special pipeline bursting pressure test is carried out, so that the method has the disadvantages of more test materials, high cost, long period and great influence by a pipeline manufacturing process, and is a difficult problem for composite material production enterprises.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a simple, convenient and quick testing device for hydrostatic pressure of a composite material. The testing device is specially used for testing the composite material for the pipeline, needs few testing materials, is short in testing time, is economical and environment-friendly, and is not influenced by the pipeline manufacturing process.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a testing device for hydrostatic pressure of composite materials comprises an air inlet assembly, a liquid inlet assembly, a pressure gauge, a connecting piece, an observation chamber connected with the bottom of the connecting piece, and a composite material fixing assembly connected with the bottom of the observation chamber; the connecting piece is provided with an air inlet and a liquid inlet, the air inlet assembly is connected with the connecting piece through the air inlet, and the liquid inlet assembly is connected with the connecting piece through the liquid inlet; the observation chamber is made of transparent material.

Preferably, the composite material fixing assembly comprises an upper clamping table, a sealing gasket, a lower clamping table and a fastening screw; the clamping upper table and the clamping lower table are connected through fastening screws; the sealing gasket is positioned between the upper clamping table and the lower clamping table.

Preferably, the air inlet assembly comprises an air inlet pipeline and an air inlet valve; wherein, the air inlet pipeline is connected with the air inlet through the air inlet valve.

Preferably, the liquid inlet assembly comprises a liquid inlet pipeline and a liquid inlet valve; wherein, the liquid inlet pipeline is connected with the liquid inlet through a liquid inlet valve.

Preferably, the central positions of the observation chamber, the clamping upper table, the sealing gasket and the clamping lower table are all provided with round holes with the same diameter.

Preferably, the diameter of the round hole is 5-20 cm.

In the test process, the diameter of the cross section of the tested composite material is larger than that of the round hole, and a gap is not reserved between the composite material and the composite material fixing component.

Preferably, the side wall of the observation chamber is marked with a scale mark for measuring the height of the liquid level.

Preferably, the observation chamber is made of transparent organic glass.

Preferably, the material of the sealing gasket is tetrafluoroethylene or rubber.

Preferably, the material of air intake subassembly, feed liquor subassembly, connecting piece, centre gripping upper table, centre gripping lower table and fastening screw be stainless steel, cast iron and/or carbon steel.

The utility model has the beneficial effects that:

the device for testing the hydrostatic pressure of the composite material is specially used for testing the composite material for the pipeline; the testing device can be used for liquid and gas flowing through a pipeline, so that the operation is simple and convenient, and the testing is quick; and in the testing process, the liquid medium is pressed by air pressure, so that the hydraulic pressure is more stable and accurate compared with the hydraulic pressure directly supplied by a water pump, meanwhile, the consumption of the liquid medium is less, and the testing environment is clean.

Drawings

FIG. 1 is a schematic structural diagram of a device for testing the hydrostatic pressure of a composite material according to the present invention

Reference numerals: 1. air inlet assembly, 2, liquid inlet assembly, 3, manometer, 4, connecting piece, 5, observation room, 6, fixed subassembly of combined material, 11, air inlet pipeline, 12, admission valve, 21, liquid inlet pipeline, 22, liquid inlet valve, 61, centre gripping upper table, 62, sealed pad, 63, centre gripping lower table, 64, fastening screw.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it should be apparent that the drawings described below are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, in some embodiments of the present invention, a device for testing hydrostatic pressure of a composite material includes an air intake assembly (1), an air intake assembly (2), a pressure gauge (3), a connector (4), an observation chamber (5) connected to the bottom of the connector, and a composite material fixing assembly (6) connected to the bottom of the observation chamber; wherein, the connecting piece (4) is provided with an air inlet and a liquid inlet, the air inlet component (1) is connected with the connecting piece (4) through the air inlet, and the liquid inlet component (2) is connected with the connecting piece (4) through the liquid inlet; the observation chamber (5) is made of transparent material.

As shown in fig. 1, the composite material fixing component (6) comprises an upper clamping table (61), a sealing gasket (62), a lower clamping table (63) and a fastening screw (64); the clamping upper table (61) and the clamping lower table (63) are connected through a fastening screw (64); a gasket (62) is located between the upper clamping table (61) and the lower clamping table (63).

As shown in fig. 1, the intake assembly (1) comprises an intake pipe (11) and an intake valve (12); wherein the air inlet pipeline (11) is connected with the air inlet through an air inlet valve (12).

As shown in fig. 1, the liquid inlet assembly (2) comprises a liquid inlet pipeline (21) and a liquid inlet valve (22); wherein, the liquid inlet pipeline (21) is connected with the liquid inlet through a liquid inlet valve (22).

The central positions of the observation chamber (5), the clamping upper table (61), the sealing gasket (62) and the clamping lower table (63) are all provided with round holes with the diameter of 10 cm.

The side wall of the observation chamber (5) is marked with scale marks for measuring the height of the liquid level.

The observation chamber (5) is made of transparent organic glass; the sealing gasket (62) is made of tetrafluoroethylene; the material of subassembly (1), feed liquor subassembly (2), connecting piece (4), centre gripping upper mounting (61), centre gripping lower mounting (63) and fastening screw (64) of admitting air be stainless steel.

The use method of the device for testing the hydrostatic pressure of the composite material comprises the following steps:

s1, placing the upper and lower gaskets of the composite material to be tested on, aligning the circular holes of the upper and lower clamping tables to ensure that the circular holes are within the edge of the composite material without leaving gaps, and installing and screwing fastening screws after clamping;

s2, opening a liquid inlet valve, enabling water flow to enter the testing device from a liquid inlet pipeline and reach the surface of the composite material through the connecting piece, the observation chamber and the composite material fixing assembly, and in the process, observing the water level through the observation chamber to reach a target position, namely closing the water inlet valve;

and S3, opening the air inlet valve, enabling the compressed air to enter the testing device from the air inlet pipeline, increasing the pressure to the water surface continuously, and transmitting the pressure to the composite material to be tested. During the pressurization process, the real-time pressure can be read from the pressure gauge so as to represent the pressure result;

s4, when the pressure limit value is reached, small water drops can permeate the surface of the composite material, or the liquid level can drop, and the pressure value at the moment is recorded;

and S5, stopping the test, draining water in the device, loosening the composite material fixing component, and taking out the tested composite material.

It should be noted that: the test device of the present invention needs to be used with a seal ensured, for example if a water droplet occurs at an interface or edge, the seal of the device needs to be checked.

Claims

1. The device for testing the hydrostatic pressure of the composite material is characterized by comprising an air inlet assembly (1), a liquid inlet assembly (2), a pressure gauge (3), a connecting piece (4), an observation chamber (5) connected with the bottom of the connecting piece, and a composite material fixing assembly (6) connected with the bottom of the observation chamber; wherein, the connecting piece (4) is provided with an air inlet and a liquid inlet, the air inlet component (1) is connected with the connecting piece (4) through the air inlet, and the liquid inlet component (2) is connected with the connecting piece (4) through the liquid inlet; the observation chamber (5) is made of transparent material.

2. The testing device according to claim 1, wherein the composite material fixing component (6) comprises an upper clamping table (61), a sealing gasket (62), a lower clamping table (63) and a fastening screw (64); the clamping upper table (61) and the clamping lower table (63) are connected through a fastening screw (64); a gasket (62) is located between the upper clamping table (61) and the lower clamping table (63).

3. Testing device according to claim 1, characterized in that the air inlet assembly (1) comprises an air inlet line (11) and an air inlet valve (12); wherein the air inlet pipeline (11) is connected with the air inlet through an air inlet valve (12).

4. The testing device according to claim 1, wherein the liquid inlet assembly (2) comprises a liquid inlet pipeline (21) and a liquid inlet valve (22); wherein, the liquid inlet pipeline (21) is connected with the liquid inlet through a liquid inlet valve (22).

5. The testing device according to claim 1, wherein the central positions of the observation chamber (5), the clamping upper table (61), the sealing gasket (62) and the clamping lower table (63) are all provided with round holes with equal diameters.

6. The testing device of claim 5, wherein the diameter of the circular hole is 5-20 cm.

7. A testing device according to claim 1, characterized in that the side wall of the observation chamber (5) is marked with a scale for measuring the level of the liquid.

8. The testing device according to claim 1, characterized in that the observation chamber (5) is made of plexiglass.

9. The testing device as claimed in claim 2, wherein the material of the sealing gasket (62) is tetrafluoroethylene or rubber.