CN220231290U - Water pressure test device for ultra-small pipeline - Google Patents
Water pressure test device for ultra-small pipeline Download PDFInfo
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- CN220231290U CN220231290U CN202321639215.9U CN202321639215U CN220231290U CN 220231290 U CN220231290 U CN 220231290U CN 202321639215 U CN202321639215 U CN 202321639215U CN 220231290 U CN220231290 U CN 220231290U
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- water storage
- pressure gauge
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- 238000012360 testing method Methods 0.000 title claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 230000002706 hydrostatic effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000000630 rising effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The utility model discloses a hydraulic test device for a super-small pipeline, which solves the problems that the existing hydraulic test device is not suitable for the super-small pipeline, cannot perform a pressurizing test, and cannot control the rising and falling rates. The technical scheme includes that the device comprises a pressurizing device and a pressure gauge, wherein a water inlet of the pressurizing device is connected with a pressure relief opening of the pressurizing device through a water inlet high-pressure hose, a water storage component and a pressure relief high-pressure hose in sequence to form a loop, and the water storage component is connected with one end of a test pipe fitting through a connecting pipe; the water storage component is provided with a first pressure gauge. The hydraulic test device has the advantages of simple structure, convenient operation, good connection and sealing performance, high reliability, easy disassembly and assembly, and capability of realizing the hydraulic test of the single-piece or multi-piece tandem ultra-small pipeline products with the same pressure requirement.
Description
Technical Field
The utility model discloses a hydrostatic test device, in particular to a hydrostatic test device for a superfine pipeline.
Background
The principle of the hydrostatic test is that the purpose of lifting and lowering pressure is realized by extruding liquid in the cavity, the existing hydrostatic test is mainly aimed at pipe fittings with larger aperture and larger volume, and according to the performance of the pressurizing equipment, the requirements of controlling the lifting and lowering pressure rate can be met, for example, a steel pipe hydrostatic test water tank disclosed by CN214472418U can test pressure of a single pipeline, an inner sealing sleeve can be arranged on a steel pipe, then the inner sealing sleeve is rotatably arranged, the replacement of different steel pipes is simple and convenient, when the pressure test is carried out, the pipe joint is connected with a liquid booster through the pipeline, and the direct pressurization is carried out for testing, so that the hydrostatic test device is convenient to use.
But for ultra-small bore, small volume tubes, e.g. with a diameter of 36mm or less and a volume of 1dm or less 3 Because the internal volume of the cavity is small, the liquid in the cavity cannot be extruded, so that a pressurizing test cannot be performed, and the rising and falling rates cannot be controlled.
Disclosure of Invention
The utility model aims to solve the technical problems, and provides the ultra-small pipeline hydraulic pressure test device which has the advantages of simple structure, convenient operation, good connection and sealing performance, high reliability, easy disassembly and assembly, capability of realizing simultaneous test of one or more products with the same pressure requirement and high accuracy.
The technical scheme includes that the device comprises a pressurizing device and a pressure gauge, wherein a water inlet of the pressurizing device is connected with a pressure relief opening of the pressurizing device through a water inlet high-pressure hose, a water storage component and a pressure relief high-pressure hose in sequence to form a loop, and the water storage component is connected with one end of a test pipe fitting through a connecting pipe; the water storage component is provided with a first pressure gauge.
The other end of the test pipe fitting is connected with a second pressure gauge through a pressure gauge connecting pipe.
The test pipe fitting is a single pipe or a plurality of pipes connected in series through connecting pipes.
When the test pipe fittings are connected in series, the water storage component is connected with one end of the first test pipe fitting through the connecting pipe, and the other end of the last test pipe fitting is connected with the second pressure gauge through the pressure gauge connecting pipe.
The water storage component is connected with the water inlet high-pressure hose and the pressure relief high-pressure hose through connectors in a threaded mode.
The connecting pipe is connected with the test pipe fitting through a joint thread; the connecting pipe is connected with the water storage component through a joint thread.
The first pressure gauge is installed in an exhaust hole of the water storage component.
The first pressure gauge is in threaded connection with the exhaust hole.
The beneficial effects are that:
(1) The existing pressurizing equipment is directly utilized, the water storage component is additionally arranged, and the water storage component is connected with the test pipe fitting, so that the water storage volume is effectively increased, the pressurizing requirement is met, and the control of the rising and falling rates is realized;
(2) The first manometer is installed in the exhaust hole of water storage subassembly, is used for exhausting when taking off the water injection of first manometer, shutoff exhaust hole after the installation can be used for the pressure measurement when beating the pressure test, and is nimble convenient, safe and reliable.
(3) The second pressure gauge is designed to be connected to the other end of the last test pipe (or a single test pipe), the same principle is that after the second pressure gauge is taken down from the pressure gauge take-over, the open ventilation pipeline can be used as exhaust gas when the test pipe is filled with water, and the other end of the test pipe is plugged after the second pressure gauge is installed for pressure measurement during a pressure test. And the front pressure gauge and the rear pressure gauge are adopted to read the pressure value simultaneously, so that whether the hydrostatic test is effective or not can be better judged, and the reliability and the accuracy of the test are ensured.
(4) The utility model is not only used for the hydrostatic test of a single test pipe fitting, but also suitable for a plurality of test pipe fittings with the same pressure requirement, and the test pipe fittings are sequentially connected in series, so that the flexibility and the applicability are good.
(5) All the pipelines and the parts are connected through threads through pipe joints, are matched with plane gaskets for sealing, and are convenient to disassemble, assemble and overhaul while good in sealing performance.
(6) The utility model solves the problems that the aperture is smaller than phi 36mm and the volume is smaller than 1dm 3 The pipe fitting of the hydraulic pressure control valve is small in volume, the problem that liquid in the cavity cannot be extruded can be effectively controlled in the hydraulic pressure experiment, and the hydraulic pressure control valve has the advantages of being simple in structure, convenient to operate, good in connection and sealing performance and high in reliability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic diagram of the connection of test tubes to two ends of a connecting tube.
FIG. 3 is a schematic diagram of a connection pipe and a joint connection.
The device comprises a 1-pressurizing device, a 2-water inlet high-pressure hose, a 3-pressure release high-pressure hose, a 4-first pressure gauge, a 5-vent hole, a 6-second pressure gauge, a 7-connector, an 8-plane gasket, a 9-water storage component, a 10-test pipe fitting, a 11-pressure gauge connecting pipe and a 12-connecting pipe.
Detailed Description
The utility model is further explained below with reference to the drawings:
referring to fig. 1, a water inlet of the pressurizing device 1 is connected with a pressure relief opening of the pressurizing device 1 through a water inlet high-pressure hose 2, a water storage component 9 and a pressure relief high-pressure hose 3 in sequence to form a loop, and the water storage component 9 is also connected with one end of a test pipe fitting 10 through a connecting pipe 12;
the water storage component 9 is provided with an exhaust hole 5, the first pressure gauge 4 is fixed in the exhaust hole 5 in a threaded connection mode, and the other end of the test pipe fitting 10 is connected with the second pressure gauge 6 through a pressure gauge connecting pipe 11.
The test tube 10 may be a single tube or a plurality of tubes connected in series via the connecting tube 12 (a plurality of tubes connected in series in fig. 1). When the number of the test pipes 10 is multiple in series, the water storage assembly 9 is connected with one end of the first test pipe 10 through the connecting pipe 12, and the other end of the last test pipe 10 is connected with the second pressure gauge 6 through the pressure gauge connecting pipe 11.
Referring to fig. 2 and 3, the water storage component 9 is in threaded connection with the water inlet high-pressure hose 2 and the pressure relief high-pressure hose 3 through the joint 7. The connecting pipe 12 is in threaded connection with the test pipe fitting 10 through a joint 7; the connecting pipe 12 is in threaded connection with the water storage component 9 through the joint 7. The planar gasket 8 is arranged between the pipe fittings, and the sealing performance can be ensured under the condition of easy disassembly and assembly.
The test method comprises the following steps:
when water is injected, the first pressure gauge 4 is detached firstly, and the exhaust hole 5 is opened; simultaneously, the second pressure gauge 6 is dismounted, and the pressure gauge connecting pipe 11 is lifted up, so that the tail part of the connecting pipe is equal to the exhaust hole 5; water is injected into the loop to fill the whole loop, and the first pressure gauge 4 and the second pressure gauge 6 are connected after the air is exhausted.
The pressurizing equipment 1 is controlled to start pressurizing, the pressurizing and depressurizing rates can be effectively controlled by increasing the water volume of the water storage component 9, the pressurizing is gradually performed, the display values of the first pressure gauge 4 and the second pressure gauge 6 are the pressure values of the hydrostatic test born by the pipe fitting, when the pressure values required by the pressure test are reached, the two pressure gauges keep the pressure values within the required time, the pipe fitting has no abnormal deformation or noise, the pipe wall has no leakage, and the pipe wall is regarded as qualified
When the pressure values of the two pressure gauges differ too much, it can be easily judged that problems such as leakage and the like can occur in the test process, namely, the test is invalid. If the deformation or rattle is abnormal, the product is regarded as disqualification.
Claims (8)
1. The utility model provides a microminiature pipeline hydrostatic test device, includes and presses equipment and manometer, its characterized in that, the water inlet of pressing equipment is through intaking high-pressure hose, water storage subassembly, the high-pressure hose of pressure release is connected to the pressure release mouth of pressing equipment in order to constitute the return circuit, water storage subassembly still is connected with the one end of experimental pipe fitting through the connecting pipe; the water storage component is provided with a first pressure gauge.
2. The ultra-small pipeline hydrostatic test apparatus according to claim 1, wherein the other end of the test pipe is connected to a second pressure gauge via a pressure gauge connection pipe.
3. The apparatus according to claim 1 or 2, wherein the test tube is a single tube or a plurality of tubes connected in series via a connecting tube.
4. The apparatus according to claim 3, wherein when the test pipe is a plurality of test pipes connected in series, the water storage assembly is connected to one end of the first test pipe through a connection pipe, and the other end of the last test pipe is connected to the second pressure gauge through a pressure gauge connection pipe.
5. The ultra-small pipeline hydrostatic test device according to claim 1 or 2, wherein the water storage component is connected with the water inlet high-pressure hose and the pressure relief high-pressure hose through connectors in a threaded mode.
6. The ultra-small pipeline hydrostatic test device according to claim 4, wherein the connecting pipe is connected with the test pipe fitting through joint threads; the connecting pipe is connected with the water storage component through a joint thread.
7. The ultra-small pipe hydrostatic test unit according to claim 1, wherein the first pressure gauge is installed in an exhaust hole of the water storage assembly.
8. The ultra-small pipe hydrostatic test unit according to claim 7, wherein the first pressure gauge is screwed with the vent hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321639215.9U CN220231290U (en) | 2023-06-27 | 2023-06-27 | Water pressure test device for ultra-small pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321639215.9U CN220231290U (en) | 2023-06-27 | 2023-06-27 | Water pressure test device for ultra-small pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220231290U true CN220231290U (en) | 2023-12-22 |
Family
ID=89195306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321639215.9U Active CN220231290U (en) | 2023-06-27 | 2023-06-27 | Water pressure test device for ultra-small pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220231290U (en) |
-
2023
- 2023-06-27 CN CN202321639215.9U patent/CN220231290U/en active Active
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