CN219675364U - Automatic pressurizing test device - Google Patents
Automatic pressurizing test device Download PDFInfo
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- CN219675364U CN219675364U CN202320842841.1U CN202320842841U CN219675364U CN 219675364 U CN219675364 U CN 219675364U CN 202320842841 U CN202320842841 U CN 202320842841U CN 219675364 U CN219675364 U CN 219675364U
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- gas
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- pressurizing
- test
- air
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- 238000012360 testing method Methods 0.000 title claims abstract description 70
- 239000007788 liquid Substances 0.000 claims abstract description 128
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 239000008400 supply water Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000012354 overpressurization Methods 0.000 claims 1
- 238000010009 beating Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 description 5
- 238000012669 compression test Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The automatic pressurizing test device comprises an air supply piece and a pressurizing assembly, wherein the pressurizing assembly comprises a gas-liquid supercharger, the air supply piece is connected with the gas-liquid supercharger, the gas-liquid supercharger is further connected with a test piece to be tested, the air supply piece is used for supplying air to the gas-liquid supercharger, and the gas-liquid supercharger is used for pressurizing liquid to perform pressurizing test on the test piece. This device adopts pneumatic drive, has shortened the time of beating and pressing up compared with former equipment, and can control the pressure size more accurately, and the simple operation of being convenient for of device installation and maintenance, the cost is reduced, and operating personnel can keep away from the test device of beating simultaneously and operate, and the withstand voltage value of each structure in the device all is higher than the required pressure value of the test of beating to this ensures safety.
Description
Technical Field
The utility model relates to the technical field of machinery, in particular to an automatic pressing test device.
Background
The hydraulic test pump of the nuclear power station is special nuclear safety equipment shared by two nuclear power units, the highest use pressure of the hydraulic test pump can reach 200bar, and the sealing requirement level of each part is higher. After the full detection of the water side part of the equipment is completed, a 200bar pressurizing test is required to be carried out on the equipment, whether leakage exists in each sealing part of the equipment is verified in advance, and the maintenance quality is verified. When the hydraulic test pump is currently operated to press, a manual pressurizing pump is always applied to press equipment for many years. The conventional pressing test device and mode have the following defects:
firstly, the time and effort are wasted, the pressurization to 200bar can be carried out only by manually and uninterruptedly manually pressurizing for about 2.5 to 3 hours under normal conditions, particularly, the pressurization at the high-pressure stage consumes very much effort, and usually, the pressurization work is carried out by 2 to 3 persons in turn; meanwhile, the flow of the manual pumping pump is small, a great amount of time is consumed in the online exhaust process, if the check valve leaks in an online system, the pumping time is greatly increased, the internal leakage is larger than the pressurizing value in unit time in severe cases, the condition that the pressure cannot be increased can occur, the check valve can only be judged by experience, a more accurate basis can not be provided, in addition, because the manual pumping pump is a universal tool, the reliability and the stability of the pump are poor, and the pressure cannot be maintained when the pumping is frequently performed, so that the situation that the pumping pump needs to be replaced again in emergency can not be used; when the pressure value reaches 200bar, the pressure value is already higher, and the pressure value has a certain danger, but no safety protection measures are arranged in the operation area, and if joint fracture or water pipe explosion occurs, certain industrial safety risks exist.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an automatic pressing test device aiming at the defects in the prior art.
The technical scheme adopted for solving the technical problems is as follows: the automatic pressurizing test device comprises a gas supply piece and a pressurizing assembly, wherein the pressurizing assembly comprises a gas-liquid supercharger, the gas supply piece is connected with the gas-liquid supercharger, and the gas-liquid supercharger is also connected with a test piece to be tested;
the air supply piece is used for supplying air to the gas-liquid supercharger;
the gas-liquid supercharger is used for supercharging liquid so as to carry out a compression test on the test piece to be tested.
In some embodiments, the pressurization assembly further comprises a water tank connected to the gas-liquid booster to supply water to the gas-liquid booster.
In some embodiments, the water tank is provided with a filter to filter water flowing to the gas-liquid booster.
In some embodiments, the pressurizing assembly further includes an adjusting member mounted on the pressurizing assembly and connected to the gas-liquid supercharger to adjust a pressure of the gas supplied from the gas supply member to the gas-liquid supercharger.
In some embodiments, the regulating member includes an air intake switch to control the air supply member to supply air to the gas-liquid supercharger;
the regulating part further comprises an air inlet regulating valve, and the air inlet switch is arranged on a channel which is communicated with the air supply part and the air-liquid supercharger.
In some embodiments, the regulator further comprises a high pressure switch to regulate the pressure value of the liquid output by the gas-liquid supercharger;
the regulating member further includes an unloading switch to prevent the gas-liquid supercharger from excessively pressurizing the output liquid.
In some embodiments, the pressurization assembly further comprises a first pressure gauge coupled to the gas-liquid booster to monitor the pressure within the gas-liquid booster.
In some embodiments, the gas-liquid booster is provided with a water outlet hole, the pressurizing assembly further comprises a connecting piece, one end of the connecting piece is connected with the water outlet hole, and the other end of the connecting piece is connected with the test piece to be tested, so that the gas-liquid booster performs a pressurizing test on the test piece to be tested.
In some embodiments, the pressurization assembly further comprises a second pressure gauge that taps into a conduit that communicates the air supply with the air-liquid booster to monitor the pressure of the air supplied by the air supply to the air-liquid booster.
In some embodiments, the pressing assembly further comprises a frame for component mounting, the frame bottom having mounted thereto pulleys for moving the pressing assembly.
The automatic pressing test device has the following beneficial effects: this device adopts pneumatic drive, has shortened the time of beating and pressing up compared with former equipment, and can control the pressure size more accurately, and the simple operation of being convenient for of device installation and maintenance, the cost is reduced, and operating personnel can keep away from the test device of beating simultaneously and operate, and the withstand voltage value of each structure in the device all is higher than the required pressure value of the test of beating to this ensures safety.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a compression assembly in an embodiment of the utility model;
FIG. 2 is a front view of a compression assembly in an embodiment of the utility model;
FIG. 3 is a left side view of a compression assembly in an embodiment of the utility model;
FIG. 4 is a top view of a compression assembly in an embodiment of the utility model;
FIG. 5 is a schematic diagram of the connection of an automated crush test apparatus in an embodiment of the present utility model;
FIG. 6 is a flowchart of the operation of an automated crush test apparatus in an embodiment of the present utility model.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.
Fig. 1 to 6 show an automatic pressurizing test apparatus in some embodiments of the present utility model, the apparatus includes a gas supply member 1 and a pressurizing assembly 2, the pressurizing assembly 2 includes a gas-liquid booster 21, the gas supply member 1 is connected with the gas-liquid booster 21 for supplying gas to the gas-liquid booster 21, the gas-liquid booster 21 is also connected with a test piece 3 to be tested for pressurizing test, specifically, the gas supply member 1 supplies gas to the gas-liquid booster 21 first, then the gas-liquid booster 21 uses the gas provided by the gas supply member 1 as a power source, then the liquid supplied to the gas-liquid booster 21 in the pressurizing assembly 2 is pressurized, and the pressurized liquid is supplied to the test piece 3 to be tested, so as to pressurizing test the test piece 3 to be tested, in this embodiment, the gas-liquid booster 21 is a plunger type gas-liquid booster, and the output liquid pressure is 40 times the input gas pressure.
Therefore, the device adopts pneumatic driving, shortens the pressurizing time compared with the original equipment, can control the pressure more accurately, is simple to install, convenient to operate and maintain, reduces the cost, and meanwhile, operators can operate away from the pressurizing test device, and the pressure resistance of each structure in the device is higher than the pressure resistance required by the pressurizing test, so that the safety is ensured.
The air supply part 1 is a compressed air source in some embodiments, and provides 3-8bar of compressed air for the air-liquid booster 21 in the embodiment, when the compressed air source exists in the site where the compression test is needed, the compressed air source can be directly used, and is connected with the air inlet hole 212 of the air-liquid booster 21 to supply air to the air-liquid booster 21, and when the compressed air source does not exist in the site, a lithium battery portable air compressor can be used for replacing the air source, and the air compressor is connected with the air inlet hole 212 to supply air to the air-liquid booster 21, so that the applicability of the device can be improved, and the device can be used in the occasions without air source and electricity.
The pressurizing assembly 2 further comprises a frame 26 in some embodiments, the frame 26 is used for providing support and protection for other structures in the pressurizing assembly 2, the frame 26 is in a cuboid shape, the supporting plates are arranged up and down, the gas-liquid supercharger 21 is installed on the lower supporting plate, meanwhile, the bottom of the lower supporting plate is further provided with a pulley 261 for the pressurizing assembly 2 to move, the pressurizing assembly 2 can move to a position where a test needs to be conducted more conveniently, meanwhile, the pressurizing assembly 2 is designed to be small and portable, in the embodiment, the whole assembly is only 30Kg, and other devices with the same pressurizing effect as the pressurizing assembly are the lightest and are also 70Kg, so that the pressurizing assembly can be easily carried to a test site, and the pressurizing test for different devices is more facilitated.
The pressurizing assembly 2 further comprises a water tank 22 in some embodiments, the water tank 22 is connected with the gas-liquid booster 21 and is used for supplying water to the gas-liquid booster 21, the gas-liquid booster 21 pressurizes the water supplied by the water tank 22 and then conveys the pressurized water into the test piece 3 to be tested, the test piece 3 to be tested is pressurized, a filter 221 is further arranged on a pipeline between the water tank 22 and the gas-liquid booster 21 and is used for filtering the water flowing from the water tank 22 to the gas-liquid booster 21 so as to avoid the impurity in the water from damaging the gas-liquid booster 21, in addition, a water adding hole 222 is arranged on the water tank 22, and the pipeline between the water tank 22 and the gas-liquid booster 21 is connected with the water adding hole 222 and is used for adding water into the water tank 22 so as to maintain the stable operation of the gas-liquid booster 21.
In other embodiments, other working media, such as hydraulic oil, most of the chemically aggressive liquids, radioactive liquids, can be used as the liquid to be fed to the gas-liquid booster 21, as well as the water tank 22.
The pressurizing assembly 2 in some embodiments further comprises an adjusting member 23, the adjusting member 23 being mounted on the pressurizing assembly 2, in particular on an upper support plate of the frame 26 and being connected to the gas-liquid booster 21, the adjusting member 23 being adapted to adjust an operational state of the gas-liquid booster 21, for example to adjust a pressure of liquid output by the gas-liquid booster 21.
Further, the regulator 23 includes an intake switch 231 and an intake regulating valve 232, the intake switch 231 being for controlling the air supply member 1 to supply air to the air-liquid supercharger 21, when the intake switch 231 is closed, a passage between the air supply member 1 and the air-liquid supercharger 21 is closed, the air supply member 1 cannot supply air to the air-liquid supercharger 21, and when the intake switch 231 is opened, the air supply member 1 communicates with the air-liquid supercharger 21 so that the air supply member 1 can supply air to the air-liquid supercharger 21. The intake air adjusting valve 232 is used for adjusting the pressure and flow rate of the air supply member 1 supplying air to the air-liquid booster 21, and in this embodiment, the boost ratio of the air-liquid booster 21 is 1:40, that is, the liquid pressure output by the air-liquid booster 21 is 40 times the pressure of the air supply member 1 supplying air to the air-liquid booster 21, and then the liquid pressure output by the air-liquid booster 21 is adjusted by adjusting the pressure of the air supply member 1 supplying air to the air-liquid booster 21.
In some embodiments, the adjusting member 23 further includes a high-pressure switch 233 and an unloading switch 234, where the high-pressure switch 233 is used for further adjusting the pressure of the liquid output by the gas-liquid booster 21, and adjusting the pressure of the liquid to meet the requirement of the test piece 3 to be tested for the compression test, and the unloading switch 234 is used for stabilizing the pressurized liquid, i.e. when the pressure value of the pressurized liquid reaches a certain threshold value, the unloading switch 234 releases the pressure of the liquid in time, so that the pressure is reduced to a safe value, and damage to the device caused by excessive pressure is avoided.
Therefore, the device is convenient to regulate pressure, in the pressure regulating range of the gas-liquid booster 21, stepless regulation of the liquid pressure output by the gas-liquid booster 21 can be realized by regulating the input air pressure, meanwhile, the output pressure value can be further regulated by the high-pressure switch 233, which is incomparable with an electric pump, meanwhile, the circuit pressure in the device can be reduced, the gas-liquid booster 21 can automatically supplement leakage pressure at the fastest speed, the circuit pressure of the device is kept stable, the risk is lower, the device adopts gas driving, no electric arc or spark is generated, the device can be still used in a severe site of a nuclear power plant, an operator can keep away from a high-pressure equipment body for operation, in addition, the device is compared with the traditional pressurizing device, two manpower can be saved, the working time is shortened to ten to fifteen minutes by three hours originally, and the cost is saved, and the working efficiency is greatly improved.
The pressurizing assembly 2 further comprises a first pressure gauge 24 in some embodiments, the first pressure gauge 24 is mounted on an upper supporting plate of the frame 26, the first pressure gauge 24 is connected with the gas-liquid booster 21 and used for monitoring the pressure in the gas-liquid booster 21 and further monitoring the pressure of liquid output by the gas-liquid booster 21, in the embodiment, the first pressure gauge 24 is a 0.4-level precision pressure gauge, so that errors of pressurizing tests are reduced, further, in order to more accurately control the flow rate and the pressure of gas conveyed by the gas supply piece 1 to the gas-liquid booster 21, a second pressure gauge 27 is further arranged on the upper supporting plate of the frame 26, and the second pressure gauge 27 is connected into a pipeline for communicating the gas supply piece 1 and the gas-liquid booster 21 and used for monitoring the pressure of the gas conveyed by the gas supply piece 1 to the gas-liquid booster 21 in real time, and can calculate the flow rate of the gas at the moment according to the pressure.
In order to be convenient for carry the liquid that gas-liquid booster 21 was pressurized to test piece 3 awaits measuring, gas-liquid booster 21 is equipped with apopore 211 in some embodiments, pressurization subassembly 2 still includes connecting piece 25 simultaneously, apopore 211 is connected to connecting piece 25 one end, the test piece 3 awaits measuring is connected to the other end, the liquid after the gas-liquid booster 21 pressure boost flows to test piece 3 awaits measuring through apopore 211 and connecting piece 25, in order to let gas-liquid booster 21 carry out the test of beating to test piece 3 awaits measuring, further, in order to prevent because the liquid pressure after the pressure boost is too big and destroy connecting piece 25, connecting piece 25 is 120MPa withstand voltage high strength hydraulic pipe in this embodiment, enough bear the pressure of the liquid after the pressure boost, avoid connecting piece 25 to be destroyed when carrying the liquid after the pressure boost.
The test piece 3 to be tested comprises a check valve in some embodiments, and the connecting piece 25 is connected with the check valve to perform a pressing test on the check valve, and further, in order to prevent industrial safety risks caused by explosion of the test piece 3 to be tested due to unexpected situations, the test piece 3 to be tested is sleeved with a light high-strength protection cover, so that omnibearing protection in the whole testing process is achieved. Meanwhile, in order to protect all the parts of the device, in the embodiment, the pressure resistance values of all the parts needing to bear pressure are higher than the rated pressure of equipment by more than 5 times, so that the device is prevented from being damaged in the experimental process.
When the device in this embodiment is used for testing, water is injected into the water tank 22 through the water injection hole 222, then the adjusting piece 23 is opened, the air supply piece 1 starts to supply air to the air-liquid booster 21, the water tank 22 starts to supply water to the air-liquid booster 21, the air-liquid booster 21 pressurizes the water supplied by the water tank 22, and the pressurized liquid is transmitted to the test piece 3 to be tested through the water outlet hole 211 and the connecting piece 25, so that the test piece 3 to be tested is tested for compression test.
It will be appreciated that the above technical features may be used in any combination without limitation.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.
Claims (10)
1. The automatic pressurizing test device is characterized by comprising a gas supply piece (1) and a pressurizing assembly (2), wherein the pressurizing assembly (2) comprises a gas-liquid supercharger (21), the gas supply piece (1) is connected with the gas-liquid supercharger (21), and the gas-liquid supercharger (21) is also connected with a test piece (3) to be tested;
the air supply piece (1) is used for supplying air to the air-liquid supercharger (21);
the gas-liquid supercharger (21) is used for supercharging liquid so as to perform a pressing test on the test piece (3) to be tested.
2. The automated crush test unit according to claim 1, wherein the pressurization assembly (2) further comprises a water tank (22), the water tank (22) being connected to the gas-liquid booster (21) to supply water to the gas-liquid booster (21).
3. An automated pressurizing test apparatus according to claim 2, wherein the water tank (22) is provided with a filter (221) for filtering water flowing to the gas-liquid booster (21).
4. The automated pressurizing test apparatus according to claim 1, wherein the pressurizing assembly (2) further comprises an adjusting member (23), and the adjusting member (23) is mounted on the pressurizing assembly (2) and connected to the gas-liquid booster (21) to adjust the pressure of the gas supplied from the gas supply member (1) to the gas-liquid booster (21).
5. The automated crush test apparatus according to claim 4, wherein the regulator (23) includes an air intake switch (231) to control the air supply member (1) to supply air to the gas-liquid booster (21);
the regulating member (23) further comprises an air intake regulating valve (232), and the air intake switch (231) is arranged on a passage communicating the air supply member (1) and the air-liquid supercharger (21).
6. The automated pressurizing test apparatus according to claim 5, wherein the regulating member (23) further includes a high-pressure switch (233) to regulate a pressure value of the output liquid of the gas-liquid supercharger (21);
the regulator (23) further includes an unloading switch (234) to avoid over-pressurization of the output liquid by the gas-liquid booster (21).
7. The automated crush test unit according to claim 1, wherein the pressurization assembly (2) further comprises a first pressure gauge (24), the first pressure gauge (24) being connected to the gas-liquid booster (21) for monitoring the pressure within the gas-liquid booster (21).
8. The automatic pressurizing test device according to claim 7, wherein the gas-liquid booster (21) is provided with a water outlet hole (211), the pressurizing assembly (2) further comprises a connecting piece (25), one end of the connecting piece (25) is connected with the water outlet hole (211), and the other end of the connecting piece is connected with the test piece (3) to be tested, so that the gas-liquid booster (21) performs pressurizing test on the test piece (3) to be tested.
9. The automated crush test unit according to claim 8, wherein the pressurization assembly (2) further comprises a second pressure gauge (27), the second pressure gauge (27) being connected to a pipe communicating the gas supply (1) with the gas-liquid booster (21) for monitoring the pressure of the gas supplied by the gas supply (1) to the gas-liquid booster (21).
10. The automated crush test apparatus according to any one of claims 1 to 9, wherein the compression assembly (2) further comprises a frame (26) for component mounting, a pulley (261) being mounted at a bottom of the frame (26) to move the compression assembly (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320842841.1U CN219675364U (en) | 2023-04-06 | 2023-04-06 | Automatic pressurizing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320842841.1U CN219675364U (en) | 2023-04-06 | 2023-04-06 | Automatic pressurizing test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219675364U true CN219675364U (en) | 2023-09-12 |
Family
ID=87919334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320842841.1U Active CN219675364U (en) | 2023-04-06 | 2023-04-06 | Automatic pressurizing test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219675364U (en) |
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2023
- 2023-04-06 CN CN202320842841.1U patent/CN219675364U/en active Active
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