CN209356140U - A kind of fluid connector sealing leak testing stand - Google Patents
A kind of fluid connector sealing leak testing stand Download PDFInfo
- Publication number
- CN209356140U CN209356140U CN201920344932.6U CN201920344932U CN209356140U CN 209356140 U CN209356140 U CN 209356140U CN 201920344932 U CN201920344932 U CN 201920344932U CN 209356140 U CN209356140 U CN 209356140U
- Authority
- CN
- China
- Prior art keywords
- fuel tank
- sealing leak
- pipeline
- fluid connector
- testing stand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of fluid connector sealing leak testing stands, belong to connector inspection apparatus field, including oil circuit is tested in controller and sealing leak；The sealing leak test oil circuit is at least connected in series by fuel tank, constant displacement pump three, check valve two, manual needle valve, test specimen tooling three, measuring cup；Pipeline between the check valve two and manual needle valve is equipped with branch pipeline four；The branch pipeline four is equipped with overflow valve three, and leads to fuel tank；Pipeline between the manual needle valve and test specimen tooling three is equipped with pressure gauge two and pressure sensor four；The constant displacement pump three, pressure sensor four and controller electrical connection.A kind of fluid connector sealing leak testing stand of the utility model, can be used for detecting the leakproofness and leakage rate of connector, reliable operation, easy to operate.
Description
Technical field
The utility model belongs to connector inspection apparatus field, relates in particular to a kind of fluid connector sealing leak examination
Test platform.
Background technique
In military aircraft and ground maintenance equipment, for improve pipeline overhaul efficiency, reduce disassembly process in water clock and
Pollution to channel interior medium, device has several fluid self-sealing connectors in pipe-line system.Connector male head and mother
When head connection, two-way fluid free flow, after male connector and female disconnection, fluid is closed in connector and pipeline.Connection
The sealing leak characteristic of device is the important technology performance indicator of product, and correlation test is the important of product reliability and qualification test
Component part.
A kind of fluid connector sealing leak testing stand that we develop, can complete my six kinds of latus rectums of company DN03~DN16
The sealing leak of connector is tested, and whether the technical parameter performance for detecting connector meets design requirement.
Summary of the invention
The purpose of this utility model is to provide a kind of fluid connector sealing leak testing stand in view of the above shortcomings, is intended
The sealing leak for solving how to complete my six kinds of latus rectum connectors of company DN03~DN16 is tested, and the technical parameter of connector is detected
It is the problem of whether performance meets design requirement, reliable operation, easy to operate.To achieve the above object, the utility model provides such as
Lower technical solution:
Oil circuit is tested in a kind of fluid connector sealing leak testing stand, including controller and sealing leak；The sealing is let out
It is at least connected by fuel tank, constant displacement pump 3 41, check valve 2 40, manual needle valve 35, test specimen tooling 3 38, measuring cup 39 on test leakage formation testing road
It forms；Pipeline between the check valve 2 40 and manual needle valve 35 is equipped with branch pipeline four；The branch pipeline four, which is equipped with, overflows
Valve 3 34 is flowed, and leads to fuel tank；Pipeline between the manual needle valve 35 and test specimen tooling 3 38 is equipped with 2 36 He of pressure gauge
Pressure sensor 4 37；The constant displacement pump 3 41, pressure sensor 4 37 and controller electrical connection.
Due to above structure, in sealing test test, hydraulic oil is sucked out and is pressurizeed from fuel tank by constant displacement pump 3 41,
Sealing leak test oil circuit pressure is adjusted to the pressure needed for test specimen leakage test by overflow valve 3 34, pressure is stablized
Afterwards, manual needle valve 35 is closed, observes whether pressure drop in 30min is greater than by pressure gauge 36, pressure sensor 37
0.2Mpa judges whether connector leakage test is qualified；In leak-testing test, constant displacement pump 3 41 inhales hydraulic oil from fuel tank
It out and pressurizes, is adjusted sealing leak test oil circuit pressure to the pressure needed for test specimen leakage test by overflow valve 3 34
Power after pressure is stablized, starts timing, after 15min, measuring cup is put into tube outlet, after measuring cup places, starts second and counts
When, after 30min, measuring cup volume change value is read, it is (single to calculate leakage rate of each model subject part under rated pressure state
Position: mL/s), the leakage rate that test measures is compared with the specified leakage rate of product, judges whether product leakage amount is qualified.
Further, filter 6 43 is equipped between the fuel tank and constant displacement pump 3 41.Due to above structure, filter six
43 filterings enter the impurity of pipeline.
It further, further include cooling circuit；The cooling circuit is at least by fuel tank, constant displacement pump 2 29, air cooler 32
Pipeline series connection closed loop is passed sequentially through to form；The constant displacement pump 2 29, air cooler 32 and controller electrical connection.Due to above-mentioned knot
Structure, air cooler 32 carry out circulation temperature lowering to the hydraulic oil in fuel tank.
Further, the pipeline between the constant displacement pump 2 29 and air cooler 32 is equipped with branch pipeline three；It is described to be in charge of
Road three is equipped with overflow valve 2 31, and leads to fuel tank.Due to above structure, overflow valve 2 31 prevents the pressure mistake of cooling circuit
It is high.
Further, filter 5 33 is equipped between the fuel tank and constant displacement pump 2 29.Due to above structure, filter five
33 filterings enter the impurity of pipeline.
Further, the fuel tank is equipped with bimetallic thermometer 44；The bimetallic thermometer 44 and controller are electrically connected
It connects.Due to above structure, bimetallic thermometer 44 is for measuring hydraulic fluid temperature in fuel tank, when the temperature is excessively high, controller control
Refrigeration but loop works.
Further, the fuel tank is equipped with liquid-level switch 45, liquidometer 46；The liquid-level switch 45 and controller are electrically connected
It connects.Due to above structure, liquidometer 46 is for measuring hydraulic oil height in fuel tank；When hydraulic oil excessive height in fuel tank or too low
When, controller controls the operation of 45 cut-off equipment of liquid-level switch.
Further, the fuel tank is equipped with air cleaner 47.Due to above structure, fuel tank is communicated with the atmosphere, and is equipped with
Air cleaner 47 crosses the impurity in air filtering.
Further, the test specimen tooling 3 38 is removably connected on pipeline；Compensator is had on the pipe interface,
Adjusting for pipeline axial length；3 38 one end aperture of test specimen tooling is consistent with pipe interface aperture, other end aperture
Consistent with by test specimen aperture, both ends aperture passes through conical surface transition.Reduce the pressure loss.
The beneficial effects of the utility model are:
1. completing my company DN03~DN16 six the utility model discloses a kind of fluid connector sealing leak testing stand
Kind of latus rectum connector sealing leak test detects the problem of whether the technical parameter performance of connector meets design requirement, work
Reliably, easy to operate.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model by test specimen, test specimen tooling, pipe interface schematic diagram；
In attached drawing: 29- constant displacement pump two, 41- constant displacement pump three, 40- check valve two, 36- pressure gauge two, 37- pressure sensor
Four, 33- filter five, 43- filter six, 32- air cooler, 31- overflow valve two, 34- overflow valve three, 44- bi-metal temperature
Meter, 45- liquid-level switch, 46- liquidometer, 47- air cleaner, 35- manual needle valve, 38- test specimen tooling three, 39- measuring cup.
Specific embodiment
With reference to the accompanying drawing with specific embodiment, the utility model is further described, but the utility model
It is not limited to following embodiment.
Embodiment one:
See attached drawing 1 ~ 2.Oil circuit is tested in a kind of fluid connector sealing leak testing stand, including controller and sealing leak；
Sealing leak test oil circuit at least by fuel tank, constant displacement pump 3 41, check valve 2 40, manual needle valve 35, test specimen tooling 3 38,
Measuring cup 39 is connected in series；Pipeline between the check valve 2 40 and manual needle valve 35 is equipped with branch pipeline four；The branch pipeline
Four are equipped with overflow valve 3 34, and lead to fuel tank；Pipeline between the manual needle valve 35 and test specimen tooling 3 38 is equipped with pressure
Power table 2 36 and pressure sensor 4 37；The constant displacement pump 3 41, pressure sensor 4 37 and controller electrical connection.
Due to above structure, in sealing test test, hydraulic oil is sucked out and is pressurizeed from fuel tank by constant displacement pump 3 41,
Sealing leak test oil circuit pressure is adjusted to the pressure needed for test specimen leakage test by overflow valve 3 34, pressure is stablized
Afterwards, manual needle valve 35 is closed, observes whether pressure drop in 30min is greater than by pressure gauge 36, pressure sensor 37
0.2Mpa judges whether connector leakage test is qualified；In leak-testing test, constant displacement pump 3 41 inhales hydraulic oil from fuel tank
It out and pressurizes, is adjusted sealing leak test oil circuit pressure to the pressure needed for test specimen leakage test by overflow valve 3 34
Power after pressure is stablized, starts timing, after 15min, measuring cup is put into tube outlet, after measuring cup places, starts second and counts
When, after 30min, measuring cup volume change value is read, it is (single to calculate leakage rate of each model subject part under rated pressure state
Position: mL/s), the leakage rate that test measures is compared with the specified leakage rate of product, judges whether product leakage amount is qualified.
Embodiment two:
See attached drawing 1 ~ 2.Oil circuit is tested in a kind of fluid connector sealing leak testing stand, including controller and sealing leak；
Sealing leak test oil circuit at least by fuel tank, constant displacement pump 3 41, check valve 2 40, manual needle valve 35, test specimen tooling 3 38,
Measuring cup 39 is connected in series；Pipeline between the check valve 2 40 and manual needle valve 35 is equipped with branch pipeline four；The branch pipeline
Four are equipped with overflow valve 3 34, and lead to fuel tank；Pipeline between the manual needle valve 35 and test specimen tooling 3 38 is equipped with pressure
Power table 2 36 and pressure sensor 4 37；The constant displacement pump 3 41, pressure sensor 4 37 and controller electrical connection.
Due to above structure, in sealing test test, hydraulic oil is sucked out and is pressurizeed from fuel tank by constant displacement pump 3 41,
Sealing leak test oil circuit pressure is adjusted to the pressure needed for test specimen leakage test by overflow valve 3 34, pressure is stablized
Afterwards, manual needle valve 35 is closed, observes whether pressure drop in 30min is greater than by pressure gauge 36, pressure sensor 37
0.2Mpa judges whether connector leakage test is qualified；In leak-testing test, constant displacement pump 3 41 inhales hydraulic oil from fuel tank
It out and pressurizes, is adjusted sealing leak test oil circuit pressure to the pressure needed for test specimen leakage test by overflow valve 3 34
Power after pressure is stablized, starts timing, after 15min, measuring cup is put into tube outlet, after measuring cup places, starts second and counts
When, after 30min, measuring cup volume change value is read, it is (single to calculate leakage rate of each model subject part under rated pressure state
Position: mL/s), the leakage rate that test measures is compared with the specified leakage rate of product, judges whether product leakage amount is qualified.
Filter 6 43 is equipped between the fuel tank and constant displacement pump 3 41.Due to above structure, filter 6 43 filter into
Enter the impurity of pipeline.
It further include cooling circuit；The cooling circuit at least passes sequentially through pipe by fuel tank, constant displacement pump 2 29, air cooler 32
Road series connection closed loop forms；The constant displacement pump 2 29, air cooler 32 and controller electrical connection.Due to above structure, air cooler
Hydraulic oil in 32 pairs of fuel tanks carries out circulation temperature lowering.
Pipeline between the constant displacement pump 2 29 and air cooler 32 is equipped with branch pipeline three；The branch pipeline three is equipped with
Overflow valve 2 31, and lead to fuel tank.Due to above structure, overflow valve 2 31 prevents the hypertonia of cooling circuit.
Filter 5 33 is equipped between the fuel tank and constant displacement pump 2 29.Due to above structure, filter 5 33 filter into
Enter the impurity of pipeline.
The fuel tank is equipped with bimetallic thermometer 44；The bimetallic thermometer 44 and controller electrical connection.Due to upper
Structure is stated, bimetallic thermometer 44 is for measuring hydraulic fluid temperature in fuel tank, and when the temperature is excessively high, controller controls cooling circuit
Work.
Embodiment three:
See attached drawing 1 ~ 2.Oil circuit is tested in a kind of fluid connector sealing leak testing stand, including controller and sealing leak；
Sealing leak test oil circuit at least by fuel tank, constant displacement pump 3 41, check valve 2 40, manual needle valve 35, test specimen tooling 3 38,
Measuring cup 39 is connected in series；Pipeline between the check valve 2 40 and manual needle valve 35 is equipped with branch pipeline four；The branch pipeline
Four are equipped with overflow valve 3 34, and lead to fuel tank；Pipeline between the manual needle valve 35 and test specimen tooling 3 38 is equipped with pressure
Power table 2 36 and pressure sensor 4 37；The constant displacement pump 3 41, pressure sensor 4 37 and controller electrical connection.
Due to above structure, in sealing test test, hydraulic oil is sucked out and is pressurizeed from fuel tank by constant displacement pump 3 41,
Sealing leak test oil circuit pressure is adjusted to the pressure needed for test specimen leakage test by overflow valve 3 34, pressure is stablized
Afterwards, manual needle valve 35 is closed, observes whether pressure drop in 30min is greater than by pressure gauge 36, pressure sensor 37
0.2Mpa judges whether connector leakage test is qualified；In leak-testing test, constant displacement pump 3 41 inhales hydraulic oil from fuel tank
It out and pressurizes, is adjusted sealing leak test oil circuit pressure to the pressure needed for test specimen leakage test by overflow valve 3 34
Power after pressure is stablized, starts timing, after 15min, measuring cup is put into tube outlet, after measuring cup places, starts second and counts
When, after 30min, measuring cup volume change value is read, it is (single to calculate leakage rate of each model subject part under rated pressure state
Position: mL/s), the leakage rate that test measures is compared with the specified leakage rate of product, judges whether product leakage amount is qualified.
Filter 6 43 is equipped between the fuel tank and constant displacement pump 3 41.Due to above structure, filter 6 43 filter into
Enter the impurity of pipeline.
It further include cooling circuit；The cooling circuit at least passes sequentially through pipe by fuel tank, constant displacement pump 2 29, air cooler 32
Road series connection closed loop forms；The constant displacement pump 2 29, air cooler 32 and controller electrical connection.Due to above structure, air cooler
Hydraulic oil in 32 pairs of fuel tanks carries out circulation temperature lowering.
Pipeline between the constant displacement pump 2 29 and air cooler 32 is equipped with branch pipeline three；The branch pipeline three is equipped with
Overflow valve 2 31, and lead to fuel tank.Due to above structure, overflow valve 2 31 prevents the hypertonia of cooling circuit.
Filter 5 33 is equipped between the fuel tank and constant displacement pump 2 29.Due to above structure, filter 5 33 filter into
Enter the impurity of pipeline.
The fuel tank is equipped with bimetallic thermometer 44；The bimetallic thermometer 44 and controller electrical connection.Due to upper
Structure is stated, bimetallic thermometer 44 is for measuring hydraulic fluid temperature in fuel tank, and when the temperature is excessively high, controller controls cooling circuit
Work.
The fuel tank is equipped with liquid-level switch 45, liquidometer 46；The liquid-level switch 45 and controller electrical connection.Due to upper
Structure is stated, liquidometer 46 is for measuring hydraulic oil height in fuel tank；When hydraulic oil excessive height in fuel tank or it is too low when, controller
Control the operation of 45 cut-off equipment of liquid-level switch.
The fuel tank is equipped with air cleaner 47.Due to above structure, fuel tank is communicated with the atmosphere, and is equipped with air cleaner
47, cross the impurity in air filtering.
The test specimen tooling 3 38 is removably connected on pipeline；Compensator is had on the pipe interface, is used for pipeline
The adjusting of axial length；3 38 one end aperture of test specimen tooling is consistent with pipe interface aperture, other end aperture with by test specimen
Aperture is consistent, and both ends aperture passes through conical surface transition.Reduce the pressure loss.
It is the constant displacement pump of the utility model, check valve, pressure gauge, pressure sensor, filter, air cooler, overflow valve, double
What metallic thermometer, liquid-level switch, liquidometer, air cleaner, manual needle valve, measuring cup etc. can be bought on the market arrives,
Principle repeats no more.Such as controller selects PLC etc..
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of fluid connector sealing leak testing stand, it is characterised in that: test oil circuit including controller and sealing leak；Institute
Sealing leak test oil circuit is stated at least by fuel tank, constant displacement pump three (41), check valve two (40), manual needle valve (35), test specimen tooling
Three (38), measuring cup (39) are connected in series；Pipeline between the check valve two (40) and manual needle valve (35) is equipped with branch pipeline
Four；The branch pipeline four is equipped with overflow valve three (34), and leads to fuel tank；The manual needle valve (35) and test specimen tooling three (38)
Between pipeline be equipped with pressure gauge two (36) and pressure sensor four (37)；The constant displacement pump three (41), pressure sensor four
(37) it is electrically connected with controller.
2. a kind of fluid connector sealing leak testing stand according to claim 1, it is characterised in that: the fuel tank and fixed
Amount pump is equipped with filter six (43) between three (41).
3. a kind of fluid connector sealing leak testing stand according to claim 1, it is characterised in that: further include cooling back
Road；The cooling circuit at least passes sequentially through pipeline series connection closed loop by fuel tank, constant displacement pump two (29), air cooler (32) and forms；
The constant displacement pump two (29), air cooler (32) and controller electrical connection.
4. a kind of fluid connector sealing leak testing stand according to claim 3, it is characterised in that: the constant displacement pump two
(29) pipeline between air cooler (32) is equipped with branch pipeline three；The branch pipeline three is equipped with overflow valve two (31), and
Lead to fuel tank.
5. a kind of fluid connector sealing leak testing stand according to claim 4, it is characterised in that: the fuel tank and fixed
Amount pump is equipped with filter five (33) between two (29).
6. a kind of fluid connector sealing leak testing stand according to claim 4, it is characterised in that: set on the fuel tank
There are bimetallic thermometer (44)；The bimetallic thermometer (44) and controller electrical connection.
7. a kind of fluid connector sealing leak testing stand according to claim 1, it is characterised in that: set on the fuel tank
There are liquid-level switch (45), liquidometer (46)；The liquid-level switch (45) and controller electrical connection.
8. a kind of fluid connector sealing leak testing stand according to claim 1, it is characterised in that: set on the fuel tank
There are air cleaner (47).
9. a kind of fluid connector sealing leak testing stand according to claim 1, it is characterised in that: the test specimen tooling
Three (38) are removably connected on pipeline；Compensator, the adjusting for pipeline axial length are had on the pipe interface；It is described
Test specimen tooling three (38) one end aperture is consistent with pipe interface aperture, and other end aperture is consistent with by test specimen aperture, both ends aperture
Pass through conical surface transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920344932.6U CN209356140U (en) | 2019-03-19 | 2019-03-19 | A kind of fluid connector sealing leak testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920344932.6U CN209356140U (en) | 2019-03-19 | 2019-03-19 | A kind of fluid connector sealing leak testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209356140U true CN209356140U (en) | 2019-09-06 |
Family
ID=67804232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920344932.6U Expired - Fee Related CN209356140U (en) | 2019-03-19 | 2019-03-19 | A kind of fluid connector sealing leak testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209356140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577673A (en) * | 2020-12-11 | 2021-03-30 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Valve subassembly leakproofness testing arrangement |
| CN112985710A (en) * | 2021-02-28 | 2021-06-18 | 西南石油大学 | Automatic compressing device for aerospace high-pressure fluid connector and under-pressure testing method |
-
2019
- 2019-03-19 CN CN201920344932.6U patent/CN209356140U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577673A (en) * | 2020-12-11 | 2021-03-30 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Valve subassembly leakproofness testing arrangement |
| CN112577673B (en) * | 2020-12-11 | 2023-01-24 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Valve subassembly leakproofness testing arrangement |
| CN112985710A (en) * | 2021-02-28 | 2021-06-18 | 西南石油大学 | Automatic compressing device for aerospace high-pressure fluid connector and under-pressure testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 |