CN109342068A - Fuel manifold device for testing flow - Google Patents
Fuel manifold device for testing flow Download PDFInfo
- Publication number
- CN109342068A CN109342068A CN201811528500.7A CN201811528500A CN109342068A CN 109342068 A CN109342068 A CN 109342068A CN 201811528500 A CN201811528500 A CN 201811528500A CN 109342068 A CN109342068 A CN 109342068A
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- CN
- China
- Prior art keywords
- fuel manifold
- bucket
- oil
- activity
- fuel
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention belongs to aero-engine technology fields, a kind of fuel manifold device for testing flow is disclosed, fuel manifold clamping is on test fixture, including being located at the interrupt grooves below test fixture, interrupt grooves include multiple activity buckets that fuel oil is sprayed for receiving each nozzle of fuel manifold, activity shifts to install the fixed bucket equal with activity bucket quantity below struggling against, multiple activity buckets are arranged in one by the mobile movable plate of telescoping mechanism control, activity bucket can be moved to corresponding up and down with fixed bucket position by movable plate drive, fixed bucket lower section is equipped with the oil sump tank equal with fixed bucket quantity, oil pipe is connected between fixed bucket and oil sump tank, each oil sump tank bottom is equipped with weighing sensor, it further include the first support base for placing each weighing sensor.Activity bucket is corresponding with fixed bucket position for that can be moved under telescoping mechanism control, and experimental rig can carry out flow measurement after fuel manifold the operation is stable, while the weighing sensor being arranged is high-precision rank, it is ensured that measurement result is accurate.
Description
Technical field
The present invention relates to technical field of aerospace, and in particular, to a kind of fuel manifold device for testing flow.
Background technique
Fuel nozzle is the core component of aeroengine combustor buring room, when flow will have a direct impact on the starting of product complete machine
Between and efficiency, fuel manifold testpieces be typically provided multiple fuel nozzles and be equipped with each fuel nozzle fuel feeding main line.
In the prior art, fuel manifold nozzle flow measurement work generally uses two ways to carry out, and one kind is by a set of appearance
Area method oil stream amount standard verification apparatus carries out, and using Static Volumetric Method, Oil Flowmeter Standard Apparatus standard is measured using cavity volume,
Operator, by observing the height of liquid level, records numerical value on paper, then manually carries out data preparation after liquid level stabilizing
And be entered into computer, there are data readings to be not allowed for such measurement method, it is low easily to occur mistake, work efficiency during input system
The disadvantages of.
Another kind, when progress fuel manifold nozzle flow test is tested, is first led to be completed using weighing bucket and electronic scale
It crosses weighing bucket and collects the fuel oil that nozzle sprays, the weighing bucket for gathering fuel oil is weighed using electronic scale then, has been weighed
Fuel weight and nozzle injection time data are inputted computer, then calculate fuel nozzle flow by Bi Hou, finally by weighing bucket
Interior fuel oil refunds fuel tank.
Generally speaking, above two measurement method haves the defects that efficiency is lower, measurement accuracy is low.
Summary of the invention
Present invention solves the technical problem that be to overcome the deficiencies of existing technologies, provide that a kind of structure is coherent, can efficiently survey
The high fuel manifold device for testing flow of examination, measuring accuracy.
The purpose of the present invention is achieved through the following technical solutions:
A kind of fuel manifold device for testing flow, fuel manifold testpieces clamping is on test fixture, including is located at test fixture
The interrupt grooves of lower section, interrupt grooves include multiple activity buckets that fuel oil is sprayed for receiving each nozzle of fuel manifold testpieces, activity
Bucket lower section shifts to install fix equal with activity bucket quantity and struggles against, and multiple activity bucket settings are moved at one by telescoping mechanism control
On dynamic movable plate, activity bucket can be driven by movable plate be moved to it is corresponding up and down with fixed bucket position, below fixed bucket equipped with
The equal oil sump tank of fixed bucket quantity, is connected to oil pipe, each oil sump tank bottom is equipped with weighing and passes between fixed bucket and oil sump tank
Sensor further includes the first support base for placing each weighing sensor.
Further, interrupt grooves further include the fixed drainage tube in multiple positions, and drainage tube and activity bucket position correspond
Setting, each drain are connected between Tube Drain entrance and each nozzle of fuel manifold testpieces by header.
Further, interrupt grooves entirety rectangular frame structure, the interrupt grooves of rectangular frame structure include for fixing
The upper sealing plate of drainage tube, the fixed bottom sealing plate to struggle against of installation, the side seal board for connecting upper sealing plate and bottom sealing plate.
Still further, being additionally provided with oil return funnel on bottom sealing plate, oil return funnel bottom is connected to oil return pipe, and oil return pipe is by second
Support base provides support.
Also further, the first support base and the second support base are independently arranged.
Further, drainage tube has multiple drainage entrances.
Further, drainage entry number is equal with test fixture quantity.
Further, inductance approach switch is installed for monitoring the displacement of movable plate on side seal board.
Further, side seal board is equipped with ventilation duct.
Further, the maximum display score value of weighing sensor is 10000 indexing, range 20kgf.
Compared with prior art, the invention has the following advantages:
1) this experimental rig provides the road for the weighing that smoothly flows down by the coherent arrangement of activity bucket, fixed bucket, oil sump tank for oil circuit
Diameter is flowed into wherein activity bucket is corresponding with fixed bucket position for that can be moved under telescoping mechanism control by activity bucket to switch
The fuel oil of oil sump tank, so that each fuel tank connects oily time consistency, and can be after fuel manifold the operation is stable convenient for experimental rig
Flow measurement is carried out, while the weighing sensor being arranged is high-precision rank, it is ensured that measurement result is accurate；
2) the fixed drainage tube of setting, and drainage tube has multiple drainage entrances, enhances the operation ease of experimental rig, in the middle
When being equipped with multiple test fixtures above fault trough, disposably each fuel manifold testpieces can be installed to being used in combination on corresponding test fixture
Entrance is corresponding connects with drainage by each fuel nozzle for header, subsequent when testing mounted difference fuel manifold flow, nothing
Header need to frequently be connected；
3) fuel oil begins to flow out in fuel manifold testpieces oil spout, may flow to fixed bucket, it is also possible to it flows on bottom sealing plate,
And this experimental rig is provided with oil return funnel on bottom sealing plate, can in time clear up the fuel oil flowing on bottom sealing plate in time；
4) the first support base and the second support base are independently arranged, i.e., weighing sensor is individually supported with oil return pipe, can effectively avoid
The non-measured factor of experimental rig measurement error caused by weighing sensor, further ensures that precise measurement.
Detailed description of the invention
Fig. 1 is the schematic perspective view (containing test fixture) of fuel manifold device for testing flow described in embodiment 1；
Fig. 2 is the schematic perspective view (being free of test fixture) of fuel manifold device for testing flow described in embodiment 1；
Fig. 3 is the schematic diagram of internal structure of interrupt grooves in Fig. 2；
Fig. 4 is schematic perspective view of the fuel manifold device for testing flow described in embodiment 1 in another view direction.
Specific embodiment
The present invention is further illustrated With reference to embodiment, wherein attached drawing only for illustration,
What is indicated is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；Reality in order to better illustrate the present invention
Example is applied, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art
For, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
As depicted in figs. 1 and 2, a kind of fuel manifold device for testing flow is provided, fuel manifold testpieces clamping is in test fixture A
On, experimental rig includes the interrupt grooves 1 below test fixture A, as shown in figure 3, interrupt grooves 1 include multiple for receiving combustion
Each nozzle of oily general pipeline testpieces sprays the activity bucket 11 of fuel oil, and activity bucket lower section, which is shifted to install, struggles against that quantity is equal to be consolidated with activity
Surely 12 are struggled against, multiple activity buckets 11 are arranged in one and control on mobile movable plate 14 that (cylinder is to be mentioned above by cylinder 13
Telescoping mechanism), activity bucket 11 can be driven by movable plate 14 be moved to, movable struggle against 11 bottoms corresponding up and down with 12 positions of fixed bucket
It is flowed out equipped with oil outlet for fuel oil, fixed 12 lower section of bucket is equipped with the oil sump tank 2 equal with fixed bucket quantity, fixed bucket 12 and oil-collecting
Oil pipe 3 is connected between case 2, it further includes for placing each weighing sensor 4 that each 2 bottom of oil sump tank, which is equipped with weighing sensor 4,
The first support base 5.
Specifically, the whole rectangular frame structure of interrupt grooves 1 comprising the bottom sealing plate of upper sealing plate 151, the fixed bucket 12 of installation
152, the side seal board 153 of upper sealing plate 151 and bottom sealing plate 152 is connected, fixed bucket 11 is welded on bottom sealing plate 152,11 weldering of activity bucket
It connects on movable plate 14, substantially can ensure that fuel oil in interrupt grooves from external interference in the interrupt grooves 1 of closed.
This experimental rig creatively sets moveable for activity bucket, when formally entering flow rate test, activity bucket
It is moved quickly to fixed bucket corresponding position, so that fuel oil can smoothly enter into fixed bucket, when intercepting some stage so as to experimental rig
Between fuel oil tested, the fuel oil for flowing into oil sump tank is switched by activity bucket so that each fuel tank connects oily time consistency,
The design simultaneously has been additionally contemplates that fuel manifold testpieces may work less stable at test initial stage, causes not to flow measurement
Benefit influences, and activity bucket can then move at fixed bucket after fuel manifold the operation is stable drains the oil, it is ensured that measurement result is accurate.
The cylinder barrel of cylinder 13 is fixed on side seal board 153, and the push rod built in cylinder 13 is fixed on movable plate 14, interrupt grooves
It is set at 14 bottom of movable plate between 1 two pieces of opposite side seal boards there are two guiding rail mechanism, guiding rail mechanism is fixed on
On bottom sealing plate 152, the guide rail 161 of guiding rail mechanism is parallel with the push rod built in cylinder 13, the sliding block 162 of guiding rail mechanism
It can be slid on guide rail 161, movable plate 14 is connect with the sliding block 162 of guiding rail mechanism, in this way, controlling cylinder 13 by PLC
Built-in push rod pushes movable plate 14 and then slides with movable slider 162 along guide rail 161, is also equipped with inductance type on side seal board 153
Close to switch 171, metal induction strip 172 is also equipped on movable plate 14, inductance approach switch 171 and metal induction strip 172 exist
The distance of 14 glide direction of movable plate is set as the stroke parameter of cylinder 13, and (stroke parameter of cylinder is set as in the present embodiment
125mm), inductance approach switch 171 is set as being less than with detection direction (vertical with glide direction) distance of metal induction strip 172
4mm, inductance approach switch 171 are electrically connected with PLC, are approached when movable plate 14 drives metal induction strip 172 to be moved to inductance type
In the detection range of switch 171, movable plate 14 stops sliding.Because of the present embodiment inductance approach switch 171 and metal induction strip
172 glide direction distance is 125mm, therefore the stroke of movable plate 14 is 125mm, distance of the activity bucket 11 apart from side seal board 153
Stroke 125mm need to be greater than, otherwise will encounter side seal board 153 when moving.
Because fuel manifold testpieces has multiple models, have plenty of 28 nozzles on the market, have plenty of 20 nozzles etc.,
For the ease of use for enhancing this experimental rig, the examination of at least two fuel manifold testpieces can be placed in interrupt grooves 1 simultaneously
Fixture A is tested, is two kinds in the present embodiment, that is to say, that two kinds of fuel manifold testpieces can be installed simultaneously to corresponding test fixture
On, the quantity of activity bucket 11 is equal to the nozzle quantity of the most fuel manifold testpieces of nozzle quantity, total for cooperation multiple fuel
The installation of pipe testpieces, interrupt grooves 1 further include the drainage tube 18 that multiple positions are fixed on upper sealing plate 151, drainage tube 18 and work
11 positions of dynamic bucket are arranged in a one-to-one correspondence (in the initial state, drainage tube is proximate to activity bucket inner wall setting to activity bucket), drainage
Pipe 18 has the quantity drainage entrance 181 equal with test fixture A quantity, there are two the tools of drainage tube 18 of the present embodiment drain into
Mouthful, drainage tube is integrally Y-shaped, and each drain is connected between Tube Drain entrance 181 and each nozzle of fuel manifold testpieces by header
It connects, header is hose, and a drainage entrance of the corresponding drainage tube of each nozzle can only test a fuel manifold every time
Header so then disposably can be connected to position when testing multiple fuel general pipeline testpieces by testpieces, subsequent not have to frequently connect
Header is connect, it is easy to operate.The movable width for struggling against 11 design itself need to be greater than stroke 125mm, otherwise movable to struggle against 11 when moving
The drainage tube 18 for being fixed on upper sealing plate can be encountered.
Fuel oil begins to flow out in fuel manifold testpieces nozzle oil spout, and activity bucket 11 is in moving process, fuel oil meeting
First from its oil outlet downstream to bottom sealing plate 152, when activity bucket 11 be moved to it is fixed struggle against 12 positions to it is corresponding when fuel oil just can be from work
11 leakage currents of dynamic bucket are to fixed bucket 12, the cleaning of oil liquid, this experimental rig on the whole clean and tidy and bottom sealing plate to ensure experimental rig
Oil return funnel 19 is additionally provided on bottom sealing plate 152,19 bottom of oil return funnel is connected to oil return pipe, and oil return pipe caliber is DN80, leakage current
Fuel oil on to bottom sealing plate can be cleared up smoothly to oil return funnel, and oil return pipe provides support by the second support base 6.
To avoid the non-measured factor of experimental rig from causing measurement error, weighing sensor and oil return pipe to weighing sensor 4
Individually support, i.e. the first support base 5 and the second support base 6 are independently arranged, to further ensure that precise measurement, two kinds of support bases
The square steel for being all made of 80mm × 80mm is welded.
As shown in Fig. 2, interrupt grooves side seal board 153 is equipped with cross-ventilation ventilation opening 1531, prevent from forming envelope in interrupt grooves 1
Closing vacuum chamber causes cylinder 13 that movable plate 14 cannot be pushed to slide.As shown in figure 4, being additionally provided with ventilation on interrupt grooves side seal board 153
Pipe B, caliber DN200, material selection stainless steel 304, ventilation duct B are connect with main air hose, and the mist of oil in interrupt grooves 1 can be by logical
Air hose B enters main air hose, enters back into and separates with the oil mist eliminator progress mist of oil of main air hose connection, reduces mist of oil and pass through air
Ventilation by forced draft mouth 1531 enters device external environment, avoids security risk.Generally speaking, interrupt grooves 1 are by fuel manifold testpieces
After activity bucket 11 and fixed bucket 12 of the high pressure fuel of ejection through separately designing, only under the effect of gravity, leakage current to oil sump tank 2,
It plays and is converted between pressure regulation and metering.Oil pipe caliber between fixed bucket 12 and oil sump tank 2 is DN25.
It is 20L that oil sump tank 2, which designs volume, and bottom installation explosion-proof solenoid valve is drained the oil, to mitigate weight, the material choosing of oil sump tank
Use aluminum alloy materials.
The maximum display score value of weighing sensor 4 is 10000 indexing, and range 20kgf, minimum display score value is 1g, this
Experimental rig is further equipped with TT&C system and console, and the measurement numerical value of each weighing sensor, which is shown, acquires data by TT&C system
It is shown on console screen, the relevant design of TT&C system and console is generally existing in the prior art, herein no longer
It repeats.
The course of work of this experimental rig is as follows:
Fuel manifold is installed to test fixture, it will be each by header by the corresponding drainage tube of each nozzle of fuel manifold
Nozzle and a drainage entrance are connected, and fuel manifold start-up operation oil spout is made, and after a period of time, are controlled cylinder by PLC and are pushed
Movable plate makes activity bucket be moved to position corresponding with fixed bucket along linear guide sliding, and fuel oil struggles against from activity downstream to fixation
Again along oil pipe downstream in oil sump tank, multiple weighing sensors measure the flow of corresponding oil sump tank intermediate fuel oil and feed back to bucket simultaneously
On console screen.
This experimental rig is suitable for the fuel manifold that diameter is up to 28 for 400mm~1000mm, nozzle quantity and carries out
Flow test.
Obviously, above-described embodiment is only intended to clearly illustrate technical solution of the present invention example, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the art, on the basis of the above description also
It can make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in right of the present invention and want
Within the protection scope asked.
Claims (10)
1. a kind of fuel manifold device for testing flow, fuel manifold testpieces clamping is on test fixture, which is characterized in that including
Interrupt grooves below test fixture, interrupt grooves include multiple activities that fuel oil is sprayed for receiving each nozzle of fuel manifold
Bucket, movable bucket lower section shift to install fix equal with activity bucket quantity and struggle against, and multiple activity buckets are arranged at one by telescopic machine
On the mobile movable plate of structure control, activity bucket can be driven by movable plate be moved to corresponding up and down with fixed bucket position, fix under struggling against
Side is equipped with the oil sump tank equal with fixed bucket quantity, is connected to oil pipe between fixed bucket and oil sump tank, each oil sump tank bottom is all provided with
There is weighing sensor, further includes the first support base for placing each weighing sensor.
2. fuel manifold device for testing flow according to claim 1, which is characterized in that interrupt grooves further include multiple positions
Fixed drainage tube, drainage tube is arranged in a one-to-one correspondence with activity bucket position, each to drain Tube Drain entrance and fuel manifold testpieces
It is connected between each nozzle by header.
3. fuel manifold device for testing flow according to claim 2, which is characterized in that interrupt grooves entirety rectangular frame
Structure, the interrupt grooves of rectangular frame structure include for fixing the upper sealing plate of drainage tube, the bottom sealing plate of the fixed bucket of installation, connection
The side seal board of sealing plate and bottom sealing plate.
4. fuel manifold device for testing flow according to claim 3, which is characterized in that be additionally provided with oil return leakage on bottom sealing plate
Bucket, oil return funnel bottom are connected to oil return pipe, and oil return pipe provides support by the second support base.
5. fuel manifold device for testing flow according to claim 4, which is characterized in that the first support base and the second support
Seat is independently arranged.
6. fuel manifold device for testing flow according to claim 1, which is characterized in that drainage tube have it is multiple drain into
Mouthful.
7. fuel manifold device for testing flow according to claim 6, which is characterized in that drainage entry number and test clamp
It is equal to have quantity.
8. fuel manifold device for testing flow according to claim 3, which is characterized in that be equipped with inductance type on side seal board
Close to the displacement switched for monitoring movable plate.
9. fuel manifold device for testing flow according to claim 3, which is characterized in that side seal board is equipped with ventilation duct.
10. fuel manifold device for testing flow according to claim 1, which is characterized in that the maximum of weighing sensor is aobvious
Show that score value is 10000 indexing, range 20kgf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528500.7A CN109342068A (en) | 2018-12-13 | 2018-12-13 | Fuel manifold device for testing flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811528500.7A CN109342068A (en) | 2018-12-13 | 2018-12-13 | Fuel manifold device for testing flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109342068A true CN109342068A (en) | 2019-02-15 |
Family
ID=65304574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811528500.7A Withdrawn CN109342068A (en) | 2018-12-13 | 2018-12-13 | Fuel manifold device for testing flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109342068A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231173A (en) * | 2019-05-31 | 2019-09-13 | 西安航天动力试验技术研究所 | A kind of tiny flow quantity supply measuring device |
| CN113984366A (en) * | 2021-11-11 | 2022-01-28 | 中国航发贵州黎阳航空动力有限公司 | Device for debugging performance of oil injection rod |
| CN114235428A (en) * | 2021-12-30 | 2022-03-25 | 北京航天三发高科技有限公司 | Test bed and use method thereof |
-
2018
- 2018-12-13 CN CN201811528500.7A patent/CN109342068A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231173A (en) * | 2019-05-31 | 2019-09-13 | 西安航天动力试验技术研究所 | A kind of tiny flow quantity supply measuring device |
| CN113984366A (en) * | 2021-11-11 | 2022-01-28 | 中国航发贵州黎阳航空动力有限公司 | Device for debugging performance of oil injection rod |
| CN113984366B (en) * | 2021-11-11 | 2023-12-05 | 中国航发贵州黎阳航空动力有限公司 | Device for debugging performance of oil injection rod |
| CN114235428A (en) * | 2021-12-30 | 2022-03-25 | 北京航天三发高科技有限公司 | Test bed and use method thereof |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190215 |
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| WW01 | Invention patent application withdrawn after publication |