CN109387373A - Fuel nozzle test platform - Google Patents
Fuel nozzle test platform Download PDFInfo
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- CN109387373A CN109387373A CN201811527140.9A CN201811527140A CN109387373A CN 109387373 A CN109387373 A CN 109387373A CN 201811527140 A CN201811527140 A CN 201811527140A CN 109387373 A CN109387373 A CN 109387373A
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- floor
- spray cone
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- 238000012360 testing method Methods 0.000 title claims abstract description 87
- 239000000446 fuel Substances 0.000 title claims abstract description 84
- 239000007921 spray Substances 0.000 claims abstract description 139
- 238000005259 measurement Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 239000000295 fuel oil Substances 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 12
- 230000000007 visual effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 44
- 230000000694 effects Effects 0.000 description 33
- 238000009423 ventilation Methods 0.000 description 15
- 238000007789 sealing Methods 0.000 description 12
- 238000005303 weighing Methods 0.000 description 9
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- 230000033228 biological regulation Effects 0.000 description 1
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- 230000002708 enhancing effect Effects 0.000 description 1
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- 239000002828 fuel tank Substances 0.000 description 1
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Classifications
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- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to aero-engine technology fields, a kind of fuel nozzle test platform is disclosed, including the rack with floor and penetrate the general pipeline experimental rig of floor, skewness experimental rig, spray cone angle manual measurement device and self-operated measuring unit, general pipeline experimental rig and the perpendicular arrangement of skewness experimental rig, spray cone angle manual measurement device and self-operated measuring unit are arranged side by side close to the long side of rectangle floor, general pipeline experimental rig, skewness experimental rig, spray cone angle manual measurement device and self-operated measuring unit cross a U-shaped path, U-shaped path width is 700~900mm；Skewness experimental rig, spray cone angle manual measurement device and self-operated measuring unit include the test fixture for installing single-nozzle fixture or general pipeline nozzle fixture, and floor is extended with one for placing the plane rack of the test fixture to change the outfit in the long edge position that spray cone angle manual measurement device is arranged；Rack side is equipped with the lifting mechanism for operator's upper floor plate.
Description
Technical field
The present invention relates to aero-engine technology fields, and in particular, to a kind of fuel nozzle test platform.
Background technique
Fuel nozzle is the core component of aeroengine combustor buring room, fuel flow, spray cone angle, skewness
Etc. the starting time and efficiency that will have a direct impact on product complete machine.
Independent examination is usually used in the tests such as the fuel flow of fuel nozzle, spray cone angle, skewness at present
Tooling is tested independently to carry out, to promote testing efficiency, some producers are often desirable to this three kinds tests and complete on a tooling platform,
In addition, existing test tool is generally designed only for single fuel nozzle, dependence test can not be carried out to fuel manifold, therefore
It is badly in need of designing a kind of fuel nozzle test platform of integrated-type.
Summary of the invention
Present invention solves the technical problem that be to overcome the deficiencies of existing technologies, provide that a kind of occupied area is small, integrated level
High, strong applicability fuel nozzle test platform.
The purpose of the present invention is achieved through the following technical solutions:
A kind of fuel nozzle test platform is filled including the cuboid rack with floor and the general pipeline test for penetrating floor setting
It sets, skewness experimental rig, spray cone angle manual measurement device and spray cone angle self-operated measuring unit, general pipeline test fill
It sets and the perpendicular shape arrangement of skewness experimental rig, spray cone angle manual measurement device and spray cone angle automatic measurement dress
The long side for resting against nearly rectangle floor is arranged side by side, and general pipeline experimental rig, skewness experimental rig, spray cone angle are surveyed manually
Amount device and spray cone angle self-operated measuring unit cross a U-shaped path, and the width in U-shaped path is 700~900mm；
Skewness experimental rig, spray cone angle manual measurement device and spray cone angle self-operated measuring unit include being used for
The test fixture of fuel nozzle is installed, test fixture is single-nozzle fixture or general pipeline nozzle fixture, and floor is in spray cone angle hand
The long edge position of dynamic measuring device and the setting of spray cone angle self-operated measuring unit is extended with a plane rack, and plane rack is changed for placing
The test fixture of dress；
Rack is equipped with the lifting mechanism for arriving floor on operator in the side adjacent with plane rack setting side.
Further, lifting mechanism is stair.
Further, plane rack, lifting mechanism are bolted with rack.
Further, spray cone angle self-operated measuring unit is arranged close to the right angle of rectangle floor, spray cone angle automatic measurement
Device includes in the spray chamber one of floor, open end one of the spray chamber one with installation test fixture, open end one side wall
Equipped at least one through-hole, the setting position of at least one through-hole be can spy upon fuel nozzle spray fuel oil formed cone angle it is whole
Body situation, through hole are equipped with CCD camera for shooting cone angle, spray chamber one be equipped on the side wall of through-hole relative position
Darkroom one, darkroom one are communicated with spray chamber one；The right-angle side of straight line and rectangle floor that through-hole and one center of darkroom are linked to be is in 40
~50 degree of angles.
Further, spray cone angle manual measurement device includes through the spray chamber two of floor, and spray chamber two has peace
The open end two of test fixture is filled, two side wall of open end is equipped with a hole, and the setting position in hole is that can spy upon fuel nozzle spray
The cone angle overall condition that fuel oil is formed out, spray chamber two is interior to be equipped with a knife ruler measuring device, and knife ruler measuring device includes close to spray
The knife ruler of spray angle, the connecting rod of fixing cutter ruler, the adjusting rod that connects with knife ruler interlinking lever end, connecting rod is vertical with adjusting rod, knife ruler
It is parallel with adjusting rod, two outer wall of spray chamber hole location be equipped with can opticoel, can opticoel with the surface of hole face equipped with transparent
Plate, transparent panel one, which is equipped with, can measure the scale of spray cone angle size, and adjusting rod stretches out in hole and can opticoel and can stretching out in
The end of opticoel is equipped with knob, and adjusting rod is also equipped with pointer at knob setting position, and pointer is bonded transparent panel, adjusting rod axis
The heart, knob center and pointer end center are overlapped with scale zero, and pointer axis is parallel with connecting rod, knife ruler, adjusting rod and pointer
It can be rotated with the turn of knob；Spray chamber two with darkroom two is installed on the side wall of hole relative position, darkroom two with
Spray chamber two communicates, and hole and two center of the darkroom straight line being linked to be are parallel with the long side of rectangle floor.
Further, floor is provided with total pipe mounting seat at general pipeline experimental rig setting position.
Further, rack specification is 6m × 3m × 2.2m, and plane rack specification is 6m × 1.26m × 2.2m, lifting mechanism
Specification is 1.8m × 3m × 2.2m.
Further, the total a height of 2.8~3.2m of test platform.
Compared with prior art, the invention has the following advantages:
1) the integrated arrangement of each measuring device can be reduced material and production cost and surveyed by test platform characteristics of compact layout
The institute that examination needs is functional, and the assembly working amount after transporting user location can be reduced by disassembling packaging less when leaving the factory, together
When each measuring device be ordered into arrangement, in conjunction with the setting of lifting mechanism and plane rack, operator is convenient to the test clamp that changes the outfit
Tool, and when carrying out every measurement, remaining measuring device will not generate interference to operator, and generally speaking, test platform is whole
Deft design, strong applicability；
2) elevating mechanism, plane rack and rack be detachably connected, during transportation, three parts be it is separately independent, this
Sample be just able to satisfy domestic highway transportation standard (width be limited in 3.6 meters hereinafter, height limitation at 4.8 meters or less), reach use
Behind square location, elevating mechanism, plane rack are bolted with rack and form a whole, easy to assembly；
3) right-angle side of the straight line that the through-hole of spray cone angle self-operated measuring unit and one center of darkroom are linked to be and rectangle floor is in 40
~50 degree of angles are equivalent to and the longest direction of the device are arranged on the diagonal line of floor, save space, and nozzle spray
The hole of cone angle manual measurement device and two center of the darkroom straight line being linked to be are parallel with the long side of rectangle floor, i.e., the measuring device is
State is ajusted, big quantity space can be saved out for operator's activity；
4) general pipeline experimental rig and the perpendicular shape arrangement of skewness experimental rig, in conjunction with above-mentioned spray cone angle automatic measurement
The position and direction of device and spray cone angle manual measurement device arrangement, integral layout is reasonable, is formed between four one wider
U-shaped path spacing tested for operator；
5) spray cone angle self-operated measuring unit, spray cone angle manual measurement device and skewness experimental rig can be not only used for
Measure single fuel nozzle, it can also be used to measure general pipeline nozzle, the fixture replacing of the single fuel nozzle of clamping or general pipeline nozzle,
The fixture to get off that changes the outfit can be placed on plane rack, without transmitting in-between in floor, saves manpower consumption, effectively improves
Test efficiency.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of fuel nozzle test platform described in embodiment 1；
Fig. 2 is the main view of fuel nozzle test platform described in embodiment 1；
Fig. 3 is the rearview of fuel nozzle test platform described in embodiment 1；
Fig. 4 be spray cone angle self-operated measuring unit described in embodiment 1 schematic perspective view (fixture be fuel manifold press from both sides
Tool)；
Fig. 5 is the partial view (being free of fixture) at the first open end of the spray chamber Tu4Zhong；
Fig. 6 is that fixture changes the outfit as the schematic perspective view of the spray cone angle self-operated measuring unit of single-nozzle fixture in Fig. 4；
Fig. 7 is spray cone angle manual measurement device schematic perspective view described in embodiment 1 (fixture is fuel manifold fixture)；
Fig. 8 is the partial view (containing fixture) at the first open end of the spray chamber Tu7Zhong；
Fig. 9 is the structural schematic diagram of knife ruler measuring device described in embodiment 1；
Figure 10 is that fixture changes the outfit as the schematic perspective view of the spray cone angle manual measurement device of single-nozzle fixture in Fig. 7；
Figure 11 is the structural representation of the fuel manifold fixture of spray cone angle self-operated measuring unit and spray cone angle manual measurement device
Figure；
Figure 12 is the structural representation of the single-nozzle fixture of spray cone angle self-operated measuring unit and spray cone angle manual measurement device
Figure；
Figure 13 is the three-dimensional structure diagram of general pipeline experimental rig described in embodiment 1；
Figure 14 is the schematic diagram of internal structure of interrupt grooves in Figure 13；
Figure 15 is the partial view of general pipeline experimental rig described in embodiment 1；
Figure 16 be skewness experimental rig described in embodiment 1 schematic perspective view (fixture be fuel manifold press from both sides
Tool)；
Figure 17 is the schematic diagram of internal structure of interrupt grooves in Figure 16；
Figure 18 is that fixture changes the outfit as the schematic perspective view of the skewness experimental rig of single-nozzle fixture in Figure 16.
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 shown in Figures 1 to 3, a kind of fuel nozzle test platform is provided comprising there is the cuboid rack 1 of floor 11 and wear
General pipeline experimental rig 2 that saturating floor 11 is arranged, skewness experimental rig 3, spray cone angle manual measurement device 4 and spraying
Cone angle self-operated measuring unit 5 is additionally provided with conventional fuel system, ventilation and air system, TT&C system and electrical below floor
Control system etc..
General pipeline experimental rig 2 and the perpendicular shape of skewness experimental rig 3 arrangement, spray cone angle manual measurement device
4 and spray cone angle self-operated measuring unit 5 close to rectangle floor 11 long side be arranged side by side, general pipeline experimental rig 2 is unevenly distributed
Degree experimental rig 3, spray cone angle manual measurement device 4 and spray cone angle self-operated measuring unit 5 four cross a U-shaped path, U
The width in shape path is 700~900mm；Rack specification is 6m × 3m × 2.2m.
Skewness experimental rig 3, spray cone angle manual measurement device 4 and spray cone angle self-operated measuring unit 5 are equal
Including the test fixture for installing fuel nozzle, test fixture is single-nozzle fixture or general pipeline nozzle fixture, using single
When nozzle test part is done experiment, the single-nozzle fixture that changes the outfit is for installing single-nozzle testpieces；Use general pipeline nozzle test part
When doing experiment, the general pipeline nozzle fixture that changes the outfit is for installing general pipeline nozzle test part.Floor 11 is in spray cone angle manual measurement device 4
The long edge position being arranged with spray cone angle self-operated measuring unit 5 is extended with a plane rack 6, and plane rack 6 is for placing the examination to change the outfit
Test fixture；Plane rack specification is 6m × 1.26m × 2.2m.
Rack 1 is equipped with the lifting mechanism for arriving floor 11 on operator in the side adjacent with the setting side of plane rack 6
7, lifting mechanism 7 is specially stair, and stair step width is 900mm, and stairway specifications are 1.8m × 3m × 2.2m.
Plane is equipped with handrail in hanging edge on floor 11 and plane rack 6, and stair surrounding also has handrail, and test is flat
Protection canopy is made with color steel plate above platform, test platform main framing is welded using the square steel of 100mm × 100mm.
The total a height of 2.8~3.2m of test platform, i.e., the operation height of each experimental rig is within the scope of 850mm~960mm.
The fuel system of 11 lower section of floor includes oil return line, and main 12 caliber of oil return pipe is DN100, and through stainless steel pocket type
After filter filtering, it is connect with the fuel inlet end of oil mist eliminator；Ventilation and air system include connecting with each experimental rig
Ventilation duct and hand_pneumatic valve, main 13 caliber of air hose is DN400, and the airflow inlet end of main air hose and oil mist eliminator connects.
As shown in Fig. 2, there is test operation platform 8 in 1 front of rack in the location arrangements close to stair, laboratory technician is facilitated to grasp
Make, while meeting visit and requiring, stair side is used to arrangement electrical cabinet 9, saves arrangement space.
The integrated arrangement of each measuring device can be reduced material and production cost and expired by this test platform characteristics of compact layout
The institute that foot test needs is functional, and the assembly working after transporting user location can be reduced by disassembling packaging less when leaving the factory
Amount, while each measuring device is ordered into arrangement, in conjunction with the setting of lifting mechanism and plane rack, operator is convenient to the examination that changes the outfit
Fixture is tested, and when carrying out every measurement, remaining measuring device will not generate interference, generally speaking, test platform to operator
Whole design exquisiteness, strong applicability；
For the transport convenient for test platform, plane rack, lifting mechanism are all made of the mode being detachably connected with rack, in particular
Be bolted, during transportation, these three parts be it is separately independent, be able to satisfy domestic highway transportation standard (width limitation
At 3.6 meters hereinafter, height limitation is at 4.8 meters or less), after reaching user location, connect platform by simple bolt
It forms a whole, assembles very convenient.
Spray cone angle self-operated measuring unit 5 is arranged close to the right angle of rectangle floor, and as shown in Figure 4 and Figure 5, spray cone angle is certainly
Dynamic measuring device includes the spray chamber 1 through floor, spray chamber one have installation test fixture 52 open end one, with open
The opposite position in mouth end one is equipped with oil return hole 511, and test fixture can make tested fuel nozzle be in the center of open end one, be open
It is set in the one side wall of end there are two through-hole 512, the setting position of one of through-hole is that can spy upon fuel nozzle ejection fuel oil to be formed
Cone angle overall condition, the CCD camera 53 for shooting cone angle is equipped at through-hole 512, two through-holes 512 are in 90 degree of angle cloth
It sets, convenient for measuring the preparation stage, by installing fuel nozzle mold on test fixture come the installation site to CCD camera 53
It is corrected, calibration standard is that the focus of two CCD cameras is both needed on the central axis for being in fuel nozzle mold and is overlapped；It is logical
Light collecting barrel 54 is equipped at hole 512 to provide focusing light effect when the shooting of CCD camera 53, CCD camera is also by being arranged in outside spray chamber
Support frame on wall provides support, and protection chamber 55 is equipped with around CCD camera 53 to prevent sundries foreign object from damaging to CCD camera
Deng；To improve CCD camera to the image-capturing resolution of cone angle, spray chamber 1 be equipped on the side wall of through-hole relative position it is dark
Room 1, darkroom 1 are communicated with spray chamber 1, and one inner wall of darkroom is black, what through-hole 512 and one 56 center of darkroom were linked to be
The right-angle side of straight line and rectangle floor 11 is in 40~50 degree of angles；Multiple transparent panels 513 are also evenly equipped on one 51 side wall of spray chamber,
The light source 57 that can be illuminated at spray cone angle is supported by by support construction at each transparent panel setting position on one outer wall of spray chamber.
The right-angle side of straight line and rectangle floor that spray cone angle self-operated measuring unit through-hole and one center of darkroom are linked to be is in 40
~50 degree of angles are equivalent to for being arranged on the diagonal line of floor in the longest direction of the device, save the use of a large amount of floors
Space.
It is equipped at least one layer of screens 514 in spray chamber 1, one can control the formation of spray cone angle well, and two
It can prevent sundries from falling into and pollute fuel oil in spray chamber one.
It is additionally provided with the ventilation opening 515 to connect with ventilation duct in one middle section partial sidewall of spray chamber, is additionally provided with one in spray chamber
The outlet of filter, ventilation opening and filter is connected, and filter interior has S-shaped filtration path, and suspension is sprayed in filter
Slowly walking filtering can accelerate it to become drop whereabouts, while also can avoid multiple fuel and be extracted in ventilation opening pipeline, make
It is wasted at fuel oil, causes external force to influence spray cone angle in addition, the setting of screens 514 also can avoid exhausting.
As shown in Fig. 4 and Figure 11, the general pipeline nozzle fixture of spray cone angle self-operated measuring unit includes being adapted to open end one
The circular arc disk 521 with open section of installation, the general pipeline nozzle mounting disc 522 at open section both ends and set on general pipeline nozzle
Runner 523 below mounting disc, spray chamber one have a notch 516 at open section, 516 side wall of notch and 523 outer wall of runner it
Between by vertical intercalation component 58 connect, general pipeline nozzle mounting disc 522 is integrally welded with runner 523, general pipeline nozzle mounting disc
Nozzle mounting hole on 522 positioned at spray chamber, one center, one open end is in 523 outside of runner, and runner is for draining general pipeline nozzle
The fuel oil that fuel nozzle in mounting disc in addition to one central fuel nozzle of open end sprays, sprays close to one central fuel of open end
Flow path wall at mouth is in the inclination cone angle structure or arc structure greater than nozzle spray cone angle.
Specifically, general pipeline nozzle test part can be detached from general pipeline nozzle mounting disc 522, subsequent general pipeline nozzle examination by above proposing
It tests part to rotate by a certain angle, makes that fuel nozzle to be tested is needed to be at one center of open end, then general pipeline nozzle test part is led to
It crosses quick-release grip to be fixed in general pipeline nozzle mounting disc 522, in this way, tested nozzle is in 523 outside of runner, runner can draw in time
The fuel oil that fuel nozzle sprays under non-test state is flowed, interference will not be generated to the injection of tested fuel nozzle.Runner has two
A fuel outlet 5231 is distributed in one center two sides of open end, and 523 bottom of runner is oblique, is benefit at two fuel outlets
In fuel oil towards dirty angled end, two fuel outlets are still in spray chamber one above screens, and the fuel oil of outflow enters
Spray chamber one, but the setting position of two fuel outlets need to guarantee not in the coverage of CCD camera.
It is symmetrically arranged with two handles 524 on circular arc disk 521 and above mentions disassembly general pipeline nozzle fixture convenient for operator.
General pipeline nozzle mounting disc upper surface will be lower than the upper surface of circular arc disk, and otherwise CCD camera and tested fuel nozzle are high
Degree setting is uncoordinated to be unfavorable for accurately shooting measurement.In addition, because general pipeline nozzle mounting disc 522 and runner 523 are to protrude from by spraying
One 51 circumferential profile of room, the setting position with darkroom 1 is interfered, for this structure for cooperating general pipeline nozzle fixture
Darkroom one is designed as being put together by the upper half 561 and lower half 562 by design, the present embodiment, and the upper half 561 is fixed at
523 periphery of runner of test fixture, when installing the mounting disc of general pipeline nozzle, the upper half is and lower half split.
Vertical intercalation component 58 between notch side wall and runner outer wall specifically includes the hook portion 1 equipped with notch side wall
With the hook portion 2 582 for being set to runner outer wall, hook portion one is towards being bent in spray chamber, and hook portion two is adapted to hook portion one, at this time hook portion one
It can only can not occur to connect or disengage in the horizontal direction possible in vertical direction insertion cooperation or taking-up with hook portion two.
The single-nozzle fixture of spray cone angle self-operated measuring unit includes being adapted to the disk 591 of installation with open end one and setting
In the nozzle mounting hole 592 of disc centre, as shown in Fig. 6 and Figure 12, pass through more floors 593 between disk and nozzle mounting hole
Connection.
Spray cone angle self-operated measuring unit 5 is primarily adapted for use in the survey of fuel nozzle of the spray cone angle less than or equal to 120 °
Amount.
As shown in Figs. 7-9, spray cone angle manual measurement device 4 includes through the spray chamber 2 41 of floor, spray chamber 2 41
Open end two with installation test fixture, the position opposite with open end two also are provided with oil return hole 411, test fixture can make by
The center that fuel nozzle is in open end two is surveyed, two side wall of open end is equipped with a hole, and the setting position in hole is that can spy upon combustion
Oil burner nozzle sprays the cone angle overall condition that fuel oil is formed, and a knife ruler measuring device 42, knife ruler measurement dress are equipped in spray chamber 2 41
The adjusting rod 423 setting the connecting rod 422 including knife ruler 421, fixing cutter ruler close to spray cone angle, connecting with knife ruler interlinking lever end,
Connecting rod 422 is vertical with adjusting rod 423, and knife ruler 421 is parallel with adjusting rod 423, and 2 41 outer wall of spray chamber is equipped in hole location can
Opticoel 412, can opticoel 412 transparent panel 1 is being housed with the surface of hole face, atomizer cone can be measured by being equipped on transparent panel one
The dial of angle size, adjusting rod 423 stretch out in hole and can opticoel and stretch out in can opticoel end be equipped with knob 424, adjust
Pole is arranged at position in knob is also equipped with pointer 425, the fitting transparent panel 1 of pointer 425, in adjusting rod axle center, knob
The heart and pointer end center are overlapped with scale zero, and pointer axis is parallel with connecting rod, and knife ruler, adjusting rod and pointer can be with knobs
Turn and rotate, a fixed frame 43 is equipped in spray chamber 2 41 and is used for fixing cutter ruler measuring device 42,423 axis of adjusting rod
Point-blank with the lower end surface diameter of tested nozzle, knife ruler is located at below adjusting rod, and knife ruler measuring device is unadjusted
Under original state, connecting rod 422 is overlapped in terms of through-hole direction with the axis of tested nozzle, connecting rod and tested nozzle-axis away from
From for 35~45mm；Spray chamber 2 41 with darkroom 2 44, darkroom 2 44 and spray chamber are installed on the side wall of hole relative position
2 41 communicate, and two inner wall of darkroom is black, and hole and 2 41 center of the darkroom straight line being linked to be are parallel with the long side of rectangle floor 11, i.e.,
The spray cone angle manual measurement device 4 is to ajust state, can save out big quantity space for operator's activity.
The other structures setting of spray cone angle manual measurement device 4 is identical as spray cone angle self-operated measuring unit 5, individually
Nozzle fixture is also identical as the single-nozzle clamp structure of spray cone angle self-operated measuring unit, as shown in Figure 10, does not make weight herein
Multiple description.Fuel nozzle spray cone angle manual measurement device is suitable for the fuel spray cone angle measuring that cone angle is greater than 120 °.
General pipeline experimental rig 2 includes total pipe mounting seat 21 of clamping fuel manifold testpieces and is located under total pipe mounting seat 21
The interrupt grooves 22 of side, as shown in figure 13, total pipe mounting seat 21 are erected at the general pipeline experimental rig setting position of floor 11, are such as schemed
Shown in 14, interrupt grooves 22 include multiple activity buckets 221 that fuel oil is sprayed for receiving each nozzle of fuel manifold, and activity bucket lower section is wrong
Position is provided with the fixed bucket 222 equal with activity bucket quantity, and multiple 221 settings of activity bucket, which are controlled at one by cylinder 223, moves
Movable plate 224 on (cylinder be mentioned above telescoping mechanism), activity bucket 221 can drive by movable plate 224 and be moved to
Corresponding up and down with 222 positions of fixed bucket, activity bucket bottom is equipped with oil outlet and flows out for fuel oil, fixed 222 lower section of bucket be equipped with admittedly
Surely the equal oil sump tank 23 of bucket quantity is connected to oil pipe 24 between fixed bucket 222 and oil sump tank 23, and each oil sump tank bottom is equipped with
Weighing sensor 25 further includes the first support base 26 for placing each weighing sensor.
Specifically, the whole rectangular frame structure of interrupt grooves 22 comprising the bottom sealing plate of upper sealing plate 2251, the fixed bucket of installation
2252, the side seal board 2253 of upper sealing plate and bottom sealing plate is connected, fixed bucket 222 is welded on bottom sealing plate 2252,221 welding of activity bucket
On movable plate 224, substantially it can ensure that fuel oil in interrupt grooves from external interference in the interrupt grooves 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 testpieces the operation is stable drains the oil, it is ensured that measurement result is accurate.
The cylinder barrel of cylinder 223 is fixed on side seal board 2253, and the push rod built in cylinder 223 is fixed on movable plate 224, in
Guiding rail mechanism there are two being set at 224 bottom of movable plate between two pieces of opposite side seal boards of fault trough 22, guiding rail mechanism
It is fixed on bottom sealing plate 2252, the guide rail 226 of guiding rail mechanism is parallel with the push rod built in cylinder 223, guiding rail mechanism
Sliding block 230 can be slid on guide rail 2261, movable plate 224 is connect with the sliding block 2262 of guiding rail mechanism, in this way, passing through
PLC controls the push rod built in cylinder 223 and pushes movable plate 224 and then slide with movable slider 2262 along guide rail 2261, side seal board
It is also equipped with inductance approach switch 2271 on 2253, metal induction strip 2272 is also equipped on movable plate 224, inductance type is close to be opened
Close 2271 stroke parameter (the present embodiment for being set as cylinder 223 at a distance from 224 glide direction of movable plate with metal induction strip 2272
The stroke parameter of middle cylinder is set as 125mm), the detection direction of inductance approach switch 2271 and metal induction strip 2272 is (with cunning
It is vertical to move direction) distance is set as being less than 4mm, and inductance approach switch 2271 is electrically connected with PLC, when the drive metal of movable plate 224
Induction strip 2272 is moved in the detection range of inductance approach switch 2271, and movable plate 224 stops sliding.Because of the present embodiment electricity
The close switch 2271 of sense formula and the glide direction distance of metal induction strip 2272 are 125mm, therefore the stroke of movable plate 224 is
125mm, distance of the activity bucket 221 apart from side seal board 2253 need to be greater than stroke 125mm, otherwise will encounter side seal board when moving
2253。
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 total of at least two fuel manifold testpieces can be placed simultaneously in interrupt grooves 22
Pipe mounting seat is two kinds in the present embodiment, that is to say, that can install two kinds of fuel manifold testpieces simultaneously and pacify to corresponding general pipeline
It fills on seat 21, the quantity of activity bucket 221 is equal to the nozzle quantity of the most fuel manifold testpieces of nozzle quantity, a variety of to cooperate
The installation of fuel manifold testpieces, interrupt grooves 22 further include the drainage tube 228 that multiple positions are fixed on upper sealing plate 2251, drainage
Pipe 228 and activity bucket 221 positions be arranged in a one-to-one correspondence (activity bucket in the initial state, drainage tube be proximate to activity bucket inner wall set
Set), the drainage entrance 2281 that drainage tube 228 has quantity equal with test fixture A quantity, the drainage tube 228 of the present embodiment
For tool there are two entrance is drained, drainage tube 228 is whole Y-shaped, it is each drain Tube Drain entrance and each nozzle of fuel manifold testpieces it
Between connected by header, header is hose, a drainage entrance 2281 of the corresponding drainage tube of each nozzle, every time
A fuel manifold testpieces can be tested, so disposably can be then connected to header when testing multiple fuel general pipeline testpieces
Position, it is subsequent not have to frequently connect header, it is easy to operate.The width of the design of activity bucket 221 itself need to be greater than stroke 125mm, no
Then activity bucket can encounter the drainage tube 228 for being fixed on upper sealing plate when moving.
Fuel oil begins to flow out in fuel manifold testpieces nozzle oil spout, and activity bucket 221 is in moving process, fuel oil meeting
First from its oil outlet downstream to bottom sealing plate 2252, when activity bucket 221 be moved to it is fixed struggle against 222 positions to it is corresponding when fuel oil just meeting
From activity bucket leakage current to fixed bucket 222, the cleaning of oil liquid, this test dress on the whole clean and tidy and bottom sealing plate to ensure experimental rig
It sets and is additionally provided with oil return funnel 229 on bottom sealing plate 2252,229 bottom of oil return funnel is connected to oil return pipe, and oil return pipe caliber is DN80,
Fuel oil on leakage current to bottom sealing plate can be cleared up smoothly to oil return funnel, and oil return pipe provides support by the second support base 27.
To avoid the non-measured factor of experimental rig from causing measurement error, weighing sensor 25 and oil return pipe to weighing sensor
Individually support, i.e. the first support base 26 and the second support base 27 are independently arranged, to further ensure that precise measurement, two kinds of supports
The square steel that seat is all made of 80mm × 80mm is welded.
As shown in figure 13, interrupt grooves side seal board 2253 is equipped with cross-ventilation ventilation opening B, prevents from forming envelope in interrupt grooves 22
Closing vacuum chamber causes cylinder 223 that movable plate 224 cannot be pushed to slide.As shown in figure 15, it is additionally provided on interrupt grooves side seal board 2253
The caliber of ventilation duct C, ventilation duct C are DN200, and material selection stainless steel 304, ventilation duct C connect with main air hose 13, interrupt grooves 22
Interior mist of oil can enter main air hose 13 by ventilation duct C, enter back into the oil mist eliminator connecting with main air hose 13 and carry out mist of oil point
From reducing the lower space that mist of oil enters floor 11 by cross-ventilation ventilation opening B, avoid security risk.Generally speaking, in
Fault trough 22 is by after activity bucket 221 and fixed bucket 222 through separately designing of high pressure fuel that fuel manifold testpieces sprays, only in weight
Under power effect, leakage current to oil sump tank 23 is played and is converted between pressure regulation and metering.Oil pipe pipe between fixed bucket 222 and oil sump tank 23
Diameter is DN25.
It is 20L that oil sump tank 23, which designs volume, and bottom installation explosion-proof solenoid valve is drained the oil, to mitigate weight, the material of oil sump tank
Select aluminum alloy materials.
The maximum display score value of weighing sensor 25 is 10000 indexing, and range 20kgf, minimum display score value is 1g, respectively
The measurement numerical value of weighing sensor is shown to be shown on test operation platform screen by TT&C system acquisition data.
As shown in Figure 16 and Figure 17, skewness experimental rig 3 includes point for being sequentially located at 31 lower section of test fixture
Cloth cylinder 32 and interrupt grooves 1, test fixture can make to be tested the center that nozzle is in distributing barrel 32, and being equipped in distributing barrel 32 has
The circumferentially distributed device 321 of multiple equal lattices, each of circumferentially distributed device 321 wait lattices bottom to be connected to and are connected to interrupt grooves 1
Drainage tube 1, interrupt grooves 1 include multiple for receiving the activity bucket 1 of fuel oil in every drainage tube 1, activity
It struggles against one 332 equal with one 331 quantity of drainage tube, one 332 lower section of activity bucket shifts to install equal with activity one 332 quantity that struggle against
Fixed bucket 1, multiple activity buckets 1 are arranged in one and are controlled on mobile movable plate 1 by cylinder 1, activity
It struggles against and one 332 is welded on movable plate 1, struggle against in this way, activity bucket 1 can be driven be moved to by movable plate 1 with fixed
One 333 positions are corresponding up and down, and one 332 bottoms of activity bucket are equipped with oil outlet one and flow out for fuel oil, fixed one 333 lower section of bucket be equipped with
The equal oil sump tank 1 of one quantity of fixed bucket is connected to oil pipe 1, each oil-collecting between fixed bucket 1 and oil sump tank 1
One 34 bottom of case is equipped with weighing sensor 1, further includes the first support base 1 for placing each weighing sensor one.
In fact, the interrupt grooves 1 of skewness experimental rig are only in drainage tube 1 and general pipeline experimental rig
228 structure of drainage tube of fault trough is different, and other structures setting is all the same, and the structure division below of interrupt grooves one and general pipeline test fill
It is all the same to set interrupt grooves structure below, there is only the quantity of single component or the differences of specification or type selecting, and therefore not to repeat here.
The general pipeline nozzle fixture of skewness experimental rig includes being adapted to having for installation with 32 oral area of distributing barrel to open
The circular arc disk 1 of mouthful section one, set on open section one general pipeline nozzle mounting disc 1 and be set to the mounting disc of general pipeline nozzle once
The runner 1 of side, runner 1 are fixedly connected with circular arc disk 1, and general pipeline nozzle mounting disc 1 and runner 1 weld
It is connected into one, the nozzle mounting hole that 32 center of distributing barrel is located in general pipeline nozzle mounting disc 1 is in one 313 outside of runner,
Runner one is used to drain the fuel oil that the fuel nozzle in general pipeline nozzle mounting disc one in addition to distributing barrel central fuel nozzle sprays,
Flow path wall at distributing barrel central fuel nozzle is in the inclination cone angle structure or arc structure greater than nozzle spray cone angle；Examination
Experiment device further includes the oil guide pipe 38 connected with the outlet of runner 1.
Specifically, general pipeline nozzle test part can be detached from general pipeline nozzle mounting disc 1, subsequent general pipeline nozzle by above mentioning
Testpieces rotates by a certain angle, and makes that fuel nozzle to be tested is needed to be at distributing barrel center, then general pipeline nozzle test part is led to
It crosses quick-release grip to be fixed in general pipeline nozzle mounting disc 1, in this way, tested nozzle is in one 313 outside of runner, runner one can
The fuel oil that fuel nozzle sprays under non-test state is drained in time, will not generate interference to the injection of tested fuel nozzle.
One 313 bottom of runner from 32 center of distributing barrel in be conducive to fuel oil skewed, runner one is flowed toward lower
Outlet is angled end, and flanged joint between the outlet of runner one and oil guide pipe 38, oil guide pipe caliber is DN100.
It is 5L that oil sump tank 1, which designs volume, and bottom installation explosion-proof solenoid valve is drained the oil, to mitigate weight, the material of oil sump tank one
Material selects aluminum alloy materials.
The maximum display score value of weighing sensor 1 indexes for 10000, range 6kgf, and minimum display score value is
0.5g。
As shown in figure 18, the single-nozzle fixture of skewness experimental rig includes being adapted to peace with 32 oral area of distributing barrel
The disk 1 of dress and nozzle mounting hole 1 set on disc centre.
The test platform of this integrated form can connect the flow test of fuel manifold, unevenness test, spray cone angle test
Progress is passed through, unevenness test can be carried out for single-nozzle, spray cone angle is tested, the fixture of single-nozzle and fuel manifold can
It changes at any time, strong applicability, and each experimental rig is rationally distributed, biggish operation and observation space can be provided to operator, it can
Greatly improve test efficiency.
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 (8)
1. a kind of fuel nozzle test platform, which is characterized in that including the cuboid rack with floor and penetrate floor and set
General pipeline experimental rig, skewness experimental rig, spray cone angle manual measurement device and the spray cone angle automatic measurement set
Device, general pipeline experimental rig and the perpendicular shape arrangement of skewness experimental rig, spray cone angle manual measurement device and spray
Spray angle self-operated measuring unit is arranged side by side close to the long side of rectangle floor, general pipeline experimental rig, skewness test dress
It sets, spray cone angle manual measurement device and spray cone angle self-operated measuring unit cross a U-shaped path, the width in U-shaped path
Degree is 700~900mm；
Skewness experimental rig, spray cone angle manual measurement device and spray cone angle self-operated measuring unit include being used for
The test fixture of fuel nozzle is installed, test fixture is single-nozzle fixture or general pipeline nozzle fixture, and floor is in spray cone angle hand
The long edge position of dynamic measuring device and the setting of spray cone angle self-operated measuring unit is extended with a plane rack, and plane rack is changed for placing
The test fixture of dress；
Rack is equipped with the lifting mechanism for arriving floor on operator in the side adjacent with plane rack setting side.
2. fuel nozzle test platform according to claim 1, which is characterized in that lifting mechanism is stair.
3. fuel nozzle test platform according to claim 1, which is characterized in that plane rack, lifting mechanism are and rack
It is bolted.
4. fuel nozzle test platform according to claim 1, which is characterized in that spray cone angle self-operated measuring unit is close
The right angle of rectangle floor is arranged, and spray cone angle self-operated measuring unit includes through the spray chamber one of floor, and spray chamber one has peace
The open end one of test fixture is filled, open end one side wall is equipped at least one through-hole, the setting position of at least one through-hole
The cone angle overall condition that fuel oil is formed is sprayed for fuel nozzle can be spied upon, through hole is equipped with the CCD camera for shooting cone angle, spray
Fog chamber one with darkroom one is installed on the side wall of through-hole relative position, darkroom one is communicated with spray chamber one；Through-hole and darkroom one
The right-angle side of straight line and rectangle floor that center is linked to be is in 40~50 degree of angles.
5. fuel nozzle test platform according to claim 1, which is characterized in that spray cone angle manual measurement device includes
Through the spray chamber of floor two, spray chamber two has the open end two of installation test fixture, and two side wall of open end is equipped with one
Hole, the setting position in hole are that can spy upon fuel nozzle to spray the cone angle overall condition that fuel oil is formed, and are equipped with a knife in spray chamber two
Ruler measuring device, knife ruler measuring device include close to the knife ruler of spray cone angle, fixing cutter ruler connecting rod, with knife ruler interlinking lever end phase
The adjusting rod connect, connecting rod is vertical with adjusting rod, and knife ruler is parallel with adjusting rod, and two outer wall of spray chamber is equipped with visual in hole location
Chamber, can opticoel transparent panel one is being housed with the surface of hole face, transparent panel one, which is equipped with, can measure the scale of spray cone angle size,
Adjusting rod stretch out in hole and can opticoel and stretch out in can opticoel end be equipped with knob, adjusting rod knob setting position at also
Pointer is installed, pointer is bonded transparent panel one, and adjusting rod axle center, knob center and pointer end center are overlapped with scale zero,
Pointer axis is parallel with connecting rod, and knife ruler, adjusting rod and pointer can be rotated with the turn of knob；Spray chamber two with hole phase
To darkroom two is equipped on the side wall of position, darkroom two is communicated with spray chamber two, the straight line and square that hole and two center of darkroom are linked to be
The long side of shape floor is parallel.
6. fuel nozzle test platform according to claim 1, which is characterized in that position is arranged in general pipeline experimental rig in floor
The place of setting is provided with total pipe mounting seat.
7. fuel nozzle test platform according to claim 1, which is characterized in that rack specification is 6m × 3m × 2.2m,
Plane rack specification is 6m × 1.26m × 2.2m, and lifting mechanism specification is 1.8m × 3m × 2.2m.
8. fuel nozzle test platform according to claim 7, which is characterized in that the total a height of 2.8~3.2m of test platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527140.9A CN109387373A (en) | 2018-12-13 | 2018-12-13 | Fuel nozzle test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527140.9A CN109387373A (en) | 2018-12-13 | 2018-12-13 | Fuel nozzle test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109387373A true CN109387373A (en) | 2019-02-26 |
Family
ID=65429192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811527140.9A Pending CN109387373A (en) | 2018-12-13 | 2018-12-13 | Fuel nozzle test platform |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111896235A (en) * | 2020-07-31 | 2020-11-06 | 西安航天动力研究所 | Multifunctional integrated vertical fixed test bench |
| CN112345258A (en) * | 2020-10-20 | 2021-02-09 | 大连理工大学 | Experimental device capable of accurately moving and measuring spray flow |
| CN112945564A (en) * | 2021-02-09 | 2021-06-11 | 湖南汉能科技有限公司 | Experiment mounting platform of fuel nozzle performance tester |
| CN114323612A (en) * | 2021-12-22 | 2022-04-12 | 贵州航谷动力科技有限公司 | Online testing machine for fuel header pipe |
| CN115127790B (en) * | 2022-06-01 | 2024-07-09 | 中国科学院工程热物理研究所 | Fuel manifold flow comprehensive test device with nozzle |
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| CN114323612A (en) * | 2021-12-22 | 2022-04-12 | 贵州航谷动力科技有限公司 | Online testing machine for fuel header pipe |
| CN115127790B (en) * | 2022-06-01 | 2024-07-09 | 中国科学院工程热物理研究所 | Fuel manifold flow comprehensive test device with nozzle |
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