CN207081552U - A kind of fuel nozzle flow composite basis testing stand - Google Patents
A kind of fuel nozzle flow composite basis testing stand Download PDFInfo
- Publication number
- CN207081552U CN207081552U CN201720685028.2U CN201720685028U CN207081552U CN 207081552 U CN207081552 U CN 207081552U CN 201720685028 U CN201720685028 U CN 201720685028U CN 207081552 U CN207081552 U CN 207081552U
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- China
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- oil
- filter
- testing stand
- fuel nozzle
- aviation kerosine
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Abstract
The utility model belongs to Aero-Space engine fuel injection system engineering test field, more particularly to a kind of fuel nozzle flow composite basis testing stand.The utility model includes working connection and a plurality of point of oil circuit；The working connection includes aviation kerosine liquid case, grade one filter, Oil pump electrical machinery component, secondary filter and the tertiary filter that setting is sequentially connected by oil pipe；Described point of oil circuit includes sequentially connecting the 3rd stop valve, flowmeter, pressure regulator valve, two level accumulator, second pressure gauge and the kerosene output end of setting by oil pipe.The utility model uses same foundation platform, versatile by dividing the kerosene output end of oil circuit to connect the experiment work chamber such as circumferentially distributed, radial distribution, spreading of spray simultaneously；Using two level accumulator, it can effectively ensure that the oil mass flow of output is constant；, can be with long run test, the accuracy of guarantee test to oil product using three-stage filtration.
Description
Technical field
The utility model belongs to Aero-Space engine fuel injection system engineering test field, more particularly to a kind of fuel oil
Nozzle flow composite basis testing stand.
Background technology
At present in aerospace field, the testing stand of engine fuel injection system is all homemade, and foreign countries enter to us
Gone technology blockage, this kind of testing stand is all that only professional atomizer manufacturer can just have, and politically with it is technical
Block, causes commercially buy.Can only designed, designed research and development manufacture.Do not have always in terms of aviation kerosine spreading of spray experiment
Have good testing equipment, it is necessary to high-precision control aviation kerosine atomization experiment when, old-fashioned exerciser can not all be completed, and be
It is critically important that this researches and develops new such testing stand.
Also there was only the similar testing stand of three large state-owned enterprise owners at home, and be all the old-fashioned examination of the seventies
Platform is tested, is all manual low side, open type, this bench run precision is inaccurate, does not close, to the body of staff
Damage, and aviation kerosine is evaporated in air and also pollutes environment.
Therefore, it is necessary to which the fuel injection system testing stand of a set of new modernization high-precision control of R ＆ D design, has come
Into the high accuracy and high reliability of the experiment of kerosene oil flow composite basis.
Utility model content
The utility model provides a kind of reasonable in design, controllable for technical problem present in solution known technology
Oil pressure parameter, fuel nozzle flow composite basis testing stand versatile, experiment accuracy is high.
The utility model is adopted the technical scheme that to solve technical problem present in known technology：A kind of fuel oil spray
Mouth flow composite basis testing stand includes working connection and a plurality of point of oil circuit, is arranged in parallel between each point of oil circuit, and each point of oil
Lu Junyu working connections connect；The working connection include by oil pipe sequentially connect the aviation kerosine liquid case of setting, grade one filter,
Oil pump electrical machinery component, secondary filter and tertiary filter；The aviation kerosine liquid case upper inside wall is provided with high level sensing
Device, inner wall lower are provided with low liquid level sensor；Also divide on working connection between the Oil pump electrical machinery component and secondary filter
The first branch pipe and the second branch pipe are not provided with and communicated with, and overflow valve is provided with first branch pipe, is set on second branch pipe
There are the first stop valve, first pressure table and one-level accumulator；Connected between overflow valve and the aviation kerosine liquid case by oil return pipe
It is logical, the second stop valve is provided with the oil return pipe；Described point of oil circuit includes sequentially connecting the 3rd cut-off of setting by oil pipe
Valve, flowmeter, pressure regulator valve, two level accumulator, second pressure gauge and kerosene output end.
Preferably：The Oil pump electrical machinery component includes oil pump, motor and auxiliary overflow valve；The oil pump is driven by motor
Dynamic, the auxiliary overflow valve connects with aviation kerosine liquid case.
Preferably：Temperature sensor and air cleaner are also equipped with the aviation kerosine liquid case.
Preferably：The secondary filter is the filter in 30 μm of aperture；The tertiary filter is 10 μm of 1 aperture
Filter.
Preferably：The flow is calculated as worm gear flowmeter.
The advantages of the utility model and good effect are：First, a plurality of point of oil circuit is connected by working connection, using same base
Plinth platform, by dividing the kerosene output end of oil circuit to connect the experiment work chamber such as circumferentially distributed, radial distribution, spreading of spray simultaneously,
It is versatile；Second, using two level accumulator, it can effectively ensure that the oil mass flow of output is constant；Third, using three-stage filtration, protect
The quality of oil product is demonstrate,proved, can be with long run test, the accuracy of guarantee test to oil product.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1st, aviation kerosine liquid case；2nd, low liquid level sensor；3rd, high level sensor；4th, temperature sensor；5th, one-level
Filter；6th, air cleaner；7-1, the first stop valve；7-2, the second stop valve；7-3, the 3rd stop valve；8th, Oil pump electrical machinery group
Part；9th, overflow valve；10th, secondary filter；11st, tertiary filter；12-1, first pressure table；12-2, second pressure gauge；13-1、
One-level accumulator；13-2, two level accumulator；14th, flowmeter；15th, pressure regulator valve；16th, kerosene output end.
Embodiment
For invention, features and effects of the present utility model can be further appreciated that, following examples are hereby enumerated specifically
It is bright as follows：
Fig. 1 is referred to, the utility model includes working connection and a plurality of point of oil circuit, is arranged in parallel between each point of oil circuit,
And each point of oil circuit connects with working connection.
The working connection includes sequentially connecting the aviation kerosine liquid case 1 of setting, grade one filter 5, oil pump electricity by oil pipe
Thermomechanical components 8, secondary filter 10 and tertiary filter 11；The upper inside wall of aviation kerosine liquid case 1 is provided with high level sensing
Device 3, inner wall lower are provided with low liquid level sensor 2；On working connection between the Oil pump electrical machinery component 8 and secondary filter 10
The first branch pipe and the second branch pipe are also provided with and respectively communicated with, is provided with overflow valve 9 on first branch pipe, on second branch pipe
It is provided with the first stop valve 7-1, first pressure table 12-1 and one-level accumulator 13-1；The overflow valve 9 and aviation kerosine liquid case 1
Between connected by oil return pipe, the second stop valve 7-2 is provided with the oil return pipe.
Described point of oil circuit include by oil pipe sequentially connect the 3rd stop valve 7-3 of setting, flowmeter 14, pressure regulator valve 15,
Two level accumulator 13-2, second pressure gauge 12-2 and kerosene output end 16.
In the present embodiment, the Oil pump electrical machinery component 8 includes oil pump 8-1, motor 8-2 and auxiliary overflow valve 8-3；It is described
Oil pump 8-1 is driven by motor 8-2, and the auxiliary overflow valve 8-3 connects with aviation kerosine liquid case 1.
In the present embodiment, temperature sensor 4 and air cleaner 6 are also equipped with the aviation kerosine liquid case 1.
In the present embodiment, the secondary filter 10 is the filter in 30 μm of aperture；The tertiary filter 11 is aperture
30 μm of filter.
In the present embodiment, the flowmeter 14 is worm gear flowmeter.
Foregoing wherein low liquid level inductor 2 and high level inductor 3 are used for the liquid level for examining aviation kerosine liquid case 1；Temperature
Sensor 4 is used to examine the temperature in aviation kerosine liquid case 1, and air cleaner 6 is used to filter the sky into aviation kerosine liquid case 1
Gas is pure.
The method tested using above-mentioned fuel nozzle flow composite basis testing stand, is comprised the following steps：
A, switch on power, Oil pump electrical machinery component 8 is started working, and aviation kerosine is after grade one filter 5 tentatively filtering by pump
Send output；Unnecessary aviation kerosine is back in aviation kerosine liquid case 1 by auxiliary overflow valve 8-3；
B, under one-level accumulator 13-1 pressure maintaining effect, the aviation kerosine of constant pressure is kept to pass through secondary filter 10 successively
Enter each point of oil circuit with bifurcated after the further filtering of tertiary filter 11；Unnecessary aviation kerosine is back to by overflow valve 9
In aviation kerosine liquid case 1；
C, the 3rd stop valve 7-3 divided on oil circuit is opened, through the survey calculation flow of flowmeter 14, in two level accumulator 13-2
In the presence of by pressure regulator valve 15 adjust pressure, and by second pressure gauge 12-2 observe output kerosene pressure value adjust at any time
Pressure regulator valve 15, aviation kerosine is set to keep high-precision flow and pressure to be exported from kerosene output end 16.
While there has been shown and described that the optimal embodiment of the utility model, for one of ordinary skill in the art
Speech, it is possible to understand that can carry out a variety of changes to these embodiments in the case where not departing from principle of the present utility model and spirit
Change, change, replacing and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
- A kind of 1. fuel nozzle flow composite basis testing stand, it is characterised in that：It is described each including working connection and a plurality of point of oil circuit It is arranged in parallel between point oil circuit, and each point of oil circuit connects with working connection；The working connection includes sequentially connecting the aviation kerosine liquid case (1) of setting, grade one filter (5), oil pump electricity by oil pipe Thermomechanical components (8), secondary filter (10) and tertiary filter (11)；Aviation kerosine liquid case (1) upper inside wall is provided with height Liquid level sensor (3), inner wall lower are provided with low liquid level sensor (2)；The Oil pump electrical machinery component (8) and secondary filter (10) the first branch pipe and the second branch pipe are also provided with and respectively communicated with the working connection between, overflow is provided with first branch pipe Valve (9), the first stop valve (7-1), first pressure table (12-1) and one-level accumulator (13-1) are provided with second branch pipe； Connected between the overflow valve (9) and aviation kerosine liquid case (1) by oil return pipe, the second stop valve is provided with the oil return pipe (7-2)；Described point of oil circuit includes the 3rd stop valve (7-3), flowmeter (14), the pressure regulator valve that setting is sequentially connected by oil pipe (15), two level accumulator (13-2), second pressure gauge (12-2) and kerosene output end (16).
- 2. fuel nozzle flow composite basis testing stand as claimed in claim 1, it is characterised in that：The Oil pump electrical machinery component (8) oil pump (8-1), motor (8-2) and auxiliary overflow valve (8-3) are included；The oil pump (8-1) is driven by motor (8-2), The auxiliary overflow valve (8-3) connects with aviation kerosine liquid case (1).
- 3. fuel nozzle flow composite basis testing stand as claimed in claim 1, it is characterised in that：The aviation kerosine liquid case (1) temperature sensor (4) and air cleaner (6) are also equipped with.
- 4. fuel nozzle flow composite basis testing stand as claimed in claim 1, it is characterised in that：The secondary filter (10) it is the filter in 30 μm of aperture；The tertiary filter (11) is the filter in 10 μm of aperture.
- 5. fuel nozzle flow composite basis testing stand as claimed in claim 1, it is characterised in that：The flowmeter (14) is Worm gear flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685028.2U CN207081552U (en) | 2017-05-24 | 2017-05-24 | A kind of fuel nozzle flow composite basis testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685028.2U CN207081552U (en) | 2017-05-24 | 2017-05-24 | A kind of fuel nozzle flow composite basis testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207081552U true CN207081552U (en) | 2018-03-09 |
Family
ID=61425714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720685028.2U Withdrawn - After Issue CN207081552U (en) | 2017-05-24 | 2017-05-24 | A kind of fuel nozzle flow composite basis testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207081552U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560866A (en) * | 2017-05-24 | 2018-01-09 | 天津成立航空技术有限公司 | A kind of fuel nozzle flow composite basis testing stand and its test method |
| CN110007702A (en) * | 2019-03-31 | 2019-07-12 | 南京晨光集团有限责任公司 | A kind of high pressure, the Aviation Fuel testing stand oil supply system of automatic control |
-
2017
- 2017-05-24 CN CN201720685028.2U patent/CN207081552U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560866A (en) * | 2017-05-24 | 2018-01-09 | 天津成立航空技术有限公司 | A kind of fuel nozzle flow composite basis testing stand and its test method |
| CN107560866B (en) * | 2017-05-24 | 2023-10-17 | 成立航空股份有限公司 | Fuel nozzle flow comprehensive basic test bed and test method thereof |
| CN110007702A (en) * | 2019-03-31 | 2019-07-12 | 南京晨光集团有限责任公司 | A kind of high pressure, the Aviation Fuel testing stand oil supply system of automatic control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 2-103, Warner Jinghu Garden, Dongli District, Tianjin Patentee after: Establishment of Aviation Co.,Ltd. Address before: Room 2-103, Warner Jinghu Garden, Dongli District, Tianjin Patentee before: CHENGLI AVIATION TECHNOLOGY Co.,Ltd. Address after: Room 2-103, Warner Jinghu Garden, Dongli District, Tianjin Patentee after: CHENGLI AVIATION TECHNOLOGY Co.,Ltd. Address before: Room 2-103, Warner Jinghu Garden, Dongli District, Tianjin Patentee before: TIANJIN CHENGLI AVIATION TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180309 Effective date of abandoning: 20231017 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180309 Effective date of abandoning: 20231017 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |