CN107219066B - For measuring the experimental rig of swirler air mass flow - Google Patents
For measuring the experimental rig of swirler air mass flow Download PDFInfo
- Publication number
- CN107219066B CN107219066B CN201710294245.3A CN201710294245A CN107219066B CN 107219066 B CN107219066 B CN 107219066B CN 201710294245 A CN201710294245 A CN 201710294245A CN 107219066 B CN107219066 B CN 107219066B
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- swirler
- experimental rig
- mounting base
- measuring
- mass flow
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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
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a kind of for measuring the experimental rig of swirler air mass flow, including pressure cartridge module, one end connecting cover plate of pressure cartridge module, the pressure cartridge module other end connects measuring mechanism, mounting base is equipped on cover board, mounting base is threadedly coupled with cover board, and the installation structure for being set with swirler is equipped in mounting base.The experimental rig that the present invention is used to measure swirler air mass flow assembles mounting base by being threadedly coupled mode on the cover board, swirler is set in the mode tested in mounting base again, the retaining elements such as screw are omitted, when carrying out the air-flow measurement test of high-volume swirler, changeing for swirler can be conveniently realized due to need to only assemble and disassemble a small amount of part, test efficiency thus can be improved, save experimentation cost.
Description
Technical field
The present invention relates to the swirler fields of aeroengine combustor buring room, particularly, are related to a kind of for measuring swirler
The experimental rig of air mass flow.
Background technique
An important component of the swirler as aeroengine combustor buring room, its working performance directly affect combustion chamber
Comprehensive performance.The screening grouping of the design performance and new processing swirler of swirler before assembling burner inner liner is examined to be required to
Air mass flow test is carried out to swirler.
Currently, the test of swirler air mass flow is mainly tested using experimental rig shown in FIG. 1, it may be assumed that from gas source
Stand/compressed air that comes of air compressor (not shown) is via the flowmeter air collecting chamber 1 ' (not shown) into experimental rig
It is directly discharged again to room atmosphere by swirler 2 ' afterwards, ambient noise is larger when test.In order to meet the gas during test
The requirement of 2 ' airintake direction of close property and swirler, is tested using this set experimental rig, and swirler 2 ' needs first using pressure
The modes such as tight ring combination screw, which seal, to be fixed on blanking cover 4 ', and swirler 2 ' is reversely then inserted into air collecting chamber 1 ', finally uses spiral shell
Blanking cover 4 ' is sealingly fitted on end casing 5 ' by nail 3 '.
When the swirler quantity of test is more, carrying out test using this set experimental rig can be more because of assembly and disassembly part, makes
Decline at test efficiency, and then improves experimentation cost.
Summary of the invention
The present invention provides a kind of for measuring the experimental rig of swirler air mass flow, to solve to assemble and disassemble during test
The more technical problem for causing test efficiency low of part.
The technical solution adopted by the invention is as follows:
It is a kind of for measuring the experimental rig of swirler air mass flow, including pressure cartridge module, one end of pressure cartridge module
Connecting cover plate, the pressure cartridge module other end connect measuring mechanism, and mounting base is equipped on cover board, and mounting base and cover board screw thread connect
It connects, the installation structure for being set with swirler is equipped in mounting base.
Further, cover board offers threaded pilot hole, and the lateral wall of mounting base is equipped with screw thread, screw thread and pilot hole
Wall surface cooperation.Experimental rig further includes the first gasket being located between mounting base and cover board.
Further, installation structure include along the through-hole axially through mounting base and the inner wall from through-hole radially
The boss extended to form, through-hole are used to accommodate the main body of swirler, and boss is used to support the chimb of swirler.Boss it is upper rectangular
At mesoporous, experimental rig further includes the adjustment ring being placed in mesoporous.The inner wall of through-hole is equipped with concave shape in the top of boss
At groove, experimental rig further includes the retaining ring being assemblied in groove.Retaining ring is in the ring-type with opening and has elasticity, retaining ring
End offer holding holes.Experimental rig further includes the second gasket for being covered in boss upper surface.
Further, pressure cartridge module has air collecting chamber, and the upside of air collecting chamber is connected to through-hole, and boss is higher than cover board and is used in combination
It is packed into for swirler is positive from top to bottom；Measuring mechanism be connected to the air collecting chamber other side, with flow measurement and display
The vacuum pump or measuring mechanism of function include the flowmeter and vacuum pump for being sequentially connected to the air collecting chamber other side.
Further, experimental rig further includes the plug for being assembled in the nozzle mounting hole of swirler, and plug is by bullet
Property rubber material is made, and plug includes tapered insertion section and the stop section that extends to form outward from insertion section upper end.
Compared with prior art, the experimental rig that the present invention is used to measure swirler air mass flow passes through on the cover board with spiral shell
Line connection type assembles mounting base, then swirler is assemblied in the mode tested in mounting base, since screw etc. is omitted
Retaining element can facilitate when carrying out the air-flow measurement test of high-volume swirler due to need to only assemble and disassemble a small amount of part
It efficiently realizes changeing for swirler, thus test efficiency can be improved, save experimentation cost.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is in the prior art for measuring the structural schematic diagram of the experimental rig of swirler air mass flow；
Fig. 2 is the structural schematic diagram of experimental rig preferred embodiment of the present invention for measuring swirler air mass flow；
Fig. 3 is the portion the C enlarged drawing of Fig. 2；
Fig. 4 is the perspective view of mounting base in the preferred embodiment of the present invention；
Fig. 5 is the cross-sectional view in Fig. 4 along line A-A；
Fig. 6 is the perspective view of swirler in the preferred embodiment of the present invention；
Fig. 7 is the structural schematic diagram of preferred embodiment of the present invention guide ring；
Fig. 8 is the cross-sectional view of plug in the preferred embodiment of the present invention.
Drawing reference numeral explanation:
1, pressure cartridge module；10, air collecting chamber；11, cylinder；12, screens；13, forward flange；14, bottom plate；15, wedge is surveyed；
16, it is open；17, exhaust tube；18, rear flange；180, bolt hole；19, rubber gasket；2, cover board；3, mounting base；30, screw thread；
31, escape；32, through-hole；33, boss；34, mesoporous；35, groove；36, gap slot；4, swirler；41, main body；42, chimb；
43, nozzle mounting hole；44, lug；5, the first gasket；6, adjustment ring；7, retaining ring；70, holding holes；8, the second gasket；9,
Plug；90, insertion section；91, stop section.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to Fig. 2, the preferred embodiment of the present invention provide it is a kind of for measuring the experimental rig of swirler air mass flow,
Including pressure cartridge module 1, one end of pressure cartridge module 1 is connected with cover board 2, and 1 other end of pressure cartridge module is connected with measuring mechanism
(not shown) is equipped with mounting base 3 on cover board 2, and mounting base 3 is threadedly coupled with cover board 2, is equipped in mounting base 3 for being set with whirlpool
Flow the installation structure of device 4.Wherein, measuring mechanism is vacuum pump or measuring machine with flow measurement and display function
Structure is sequentially connected by flowmeter and vacuum pump and is formed.
As shown in Fig. 2, pressure cartridge module 1 includes the open cylinder 11 of upper and lower ends, the inside of cylinder 11 forms air collecting chamber
10, screens 12 are additionally provided in air collecting chamber 10.It is provided with forward flange 13 on the outside of the upper end of cylinder 11, bottom is connected with bottom plate
14.The side of cylinder 11, which is additionally provided with, surveys wedge 15.11 other side of cylinder is equipped with opening between screens 12 and bottom plate 14
Mouthfuls 16, exhaust tube 17 is connected at opening 16, and 17 end of exhaust tube connects rear flange 18, and rear flange 18 is equipped with to be surveyed for connecting
The bolt hole 180 of measuring mechanism.
Wherein, forward flange 13, cylinder 11, screens 12, bottom plate 14, exhaust tube 17, rear flange 18 and survey wedge 15 etc. zero
Part is connected by welding manner.Swirler 4 goes out in pressure measuring cylinder when the screens 12 being arranged in pressure cartridge module 1 can reduce test
The pressure oscillation of metastomium, plays steady pressure, and biggish foreign matter enters test dress during being in addition also possible to prevent test
In the flowmeter/vacuum pump for postponing end connection, to avoid interfering air-flow measurement or reducing test essence
Degree.
In the present embodiment, cover board 2 is in tabular, and outside uses spiral shell by standard components such as washer, nut and fixing bolts
Bolt connection type is assembled in forward flange 13.Optionally, rubber gasket 19 is also folded between forward flange 13 and cover board 2.Specifically
Ground can be used pre-processed gasket and be installed between forward flange 13 and cover board 2 as rubber gasket 19, can also lead to
It crosses and waits for that it is formed by curing rubber gasket 19 in forward flange 13 and cover board 2 liquid sealant between the two of smearing.Certainly, other
In embodiment, both for example contact area is smaller or when test pressure is not high according to the actual situation, and it is close can also to be not provided with rubber
Packing 19.The central location of cover board 2 is also provided with threaded pilot hole (not labeled), for assembling mounting base 3.
As shown in Fig. 3, Fig. 4 and Fig. 5, mounting base 3 is substantially cylindrical in shape, and the lateral wall of lower section is equipped with the wall with pilot hole
The screw thread 30 of face cooperation.Mounting base 3 connect using screw thread 30 with cover board 2, the retaining elements such as such incomplete structure screw, also without
Screw hole corresponding with screw need to be opened up on cover board 2 and mounting base 3, dismounting when only need to by mounting base 3 rotate turn be allowed into
The pilot hole for entering or exiting cover board 2 can be realized the assembly and separation of the two, can be realized and conveniently change.This reality
Apply in example, be additionally provided with the first gasket 5 between mounting base 3 and cover board 2, the first gasket 5 be connected to the top of screw thread 30 with
And the upper surface of cover board 2 prevents gas leakage for the fit-up gap between sealed installing seat 3 and cover board 2.
The lateral wall of mounting base 3 is also recessed inwardly to form escape 31, and escape 31 is located at 30 top of screw thread.Mounting base 3
Inside formed along axially through through-hole 32, the inner wall of through-hole 32 radially extends to form boss 33, through-hole 32 and boss 33
Collectively form the installation structure for being set with swirler 4.
Wherein, the bottom end of through-hole 32 is connected to the upside of air collecting chamber 10, and boss 33 then projects above cover board 2, convenient for vortex
Device 4 is positive from top to bottom to be packed into be connected to air collecting chamber 10.Further, mesoporous 34 is formed with above boss 33.In on mesoporous 34
At side, the inner wall of through-hole 32 is further recessed and forms fluted 35.In the present embodiment, it is additionally provided with and passes through at the upper end of mounting base 3
The gap slot 36 of logical inside and outside wall surface, the top surface of 36 self installation seat 3 of gap slot is recessed to the position concordant with boss 33 and is formed.Notch
Slot 36 is used to place the counter structure (lug 44 i.e. hereinafter) of swirler 4, also can be convenient tool clamping mounting base 3 by its
Assembly or disassembly is carried out with cover board 2.
Referring to Fig. 3, Fig. 5 and Fig. 6,4 forward direction of swirler is placed in mounting base 3.Specifically, swirler 4 includes 41 He of main body
The chimb 42 protruded out on the outside of 41 middle section of autonomous agent, main body 41 are contained in through-hole 32, and chimb 42 is then connected to the top of boss 33
And it is supported and is positioned by boss 33.The bottom end of main body 41 is that gas outlet is connected to air collecting chamber 10, and the top of main body 41 is aobvious for air inlet
It is exposed in atmosphere.Further, to prevent fit-up gap of the gas between swirler 4 and mounting base 3 from entering air collecting chamber 10, in whirlpool
It flows and is further folded with the second gasket 8 between the chimb 42 and boss 33 of device 4, the lower surface of the second gasket 8 is covered in convex
The upper surface of the upper surface of platform 33, the second gasket 8 is covered on the lower surface of chimb 42.It is further outward extended on chimb 42
Lug 44 is placed in gap slot 36.Nozzle mounting hole 43 is additionally provided with inside swirler 4.
Such as Fig. 3, Fig. 7 and Fig. 8, as preferred embodiment, in order to compensate for swirler 4 along the assembly in own axes direction
Gap, experimental rig of the invention further include adjustment ring 6, and adjustment ring 6 is placed in mesoporous 34 and is located at 42 upper surface of chimb.
Retaining ring 7 is equipped in groove 35, in the roof of groove 35, the lower surface of retaining ring 7 is then kept off the upper surface block of retaining ring 7
The upper surface of adjustment ring 6 is terminated in, to limit to swirler 4.Retaining ring 7 is in the ring-type with opening, and has elasticity, is adopted
With inside and outside circle eccentric structure.The end of retaining ring 7 offers circular holding holes 70.When assembling and disassembling retaining ring 7, circlip clamp need to be only used
Assembly and disassembly operations can quickly and easily be completed by holding two holding holes 70.
In this preferred embodiment, since retaining ring 7 uses opening design, is assembled, applied if directlying adopt retaining ring 7
The load of chimb 42 weighs circumferential asymmetry on swirler 4, and experimental rig is possible to can have gas leakage hidden danger.It is set below retaining ring 7
The adjustment ring 6 set can effectively solve the problems, such as this.Meanwhile adjustment ring 6 can also prevent from wearing swirler 4 when dismounting retaining ring 7
Chimb 42.
As shown in figures 3 and 8, plug 9 is also equipped in nozzle mounting hole 43.Plug 9 is made of elastic rubber material, blocks up
First 9 include tapered insertion section 90 and the stop section 91 extended to form outward from 90 upper end of insertion section.Insertion section 90
Lateral wall is interference fitted in the hole wall of the conical surface and nozzle mounting hole 43, and such design, can be with after plug 9 and swirler 4 install
Prevent the contact surface gas leakage of the two.
91 block of stop section is in the top surface of the hole wall of nozzle mounting hole 43.The design of stop section 91 is to test in order to prevent
Plug 9 is inhaled into swirler 4 in journey, and use this design structure, when test because suction there are plug 9 can and swirler 4
By the even closer of fitting, and facilitate clamping plug 9 to carry out disassembly movement.
After the first secondary design of experimental rig of the invention processes, only need that the first gasket 5, the assembly of mounting base 3 exist in advance
On cover board 2, the cover board 2 with the first gasket 5, mounting base 3 is passed through into washer, spiral shell with pressure cartridge module 1, rubber gasket 19
The standard components such as female and fixing bolt are connected by screw bolts mode and assemble, even if subsequent carry out different types of 4 air of swirler
Flow test can also replace the mounting base 3 being assemblied on pressure cartridge module 1 depending on feelings according to 4 structure of swirler.
Using the assemble flow of the experimental rig of measurement swirler air mass flow of the invention when test are as follows: 1) close by second
Packing 8 is placed on 33 upper surface of boss of mounting base 3；2) swirler 4 is put into the through-hole 32 of mounting base 3, and guarantees whirlpool
The lower surface for flowing the chimb 42 of device 4 is bonded with the second gasket 8；3) according to the adjustment for selecting proper height the case where swirler 4
Ring 6, and place it in the upper surface of the chimb 42 of swirler 4；4) it is loaded into mounting base 3 using Circlip tongs gripping collar 7
Groove 35 in；5) plug 9 is filled in the nozzle mounting hole 43 on swirler 4；6) pass through the bolt hole 180 on rear flange 18
By experimental rig and flowmeter, vacuum pump be successively attached either with the vacuum with flow measurement and display function
Aspiration pump is directly connected to.After experimental rig has assembled, swirler 4 cannot move freely in mounting base 3 along its own axis.It changes
Dress swirler 4 is when re-starting test, only need to by it is aforementioned 2)~5) backward of step assemble sequence first decomposes that reassemble again can be again
Quickly tested.
During test, the flow direction of gas is as shown by the arrows in Figure 2, air inlet of the room atmosphere through 4 top of swirler into
Enter, and flowed in air collecting chamber 10 by the gas outlet of bottom end, then flows to flowmeter/vacuum from exhaust tube 17 via screens 12 and take out
In air pump.Compared to traditional high pressure gas directly to room atmosphere discharging modes, this mode can reduce noise pollution.
The invention has the following advantages:
1. the present invention is for measuring the experimental rig of 4 air mass flow of swirler, by using threaded connection side on cover board 2
Formula assembles mounting base 3, then swirler 4 is contained in the mode tested in mounting base 3, since the constant zeros such as screw are omitted
Part can be conveniently due to that only need to assemble and disassemble a small amount of part when carrying out the air-flow measurement test of high-volume swirler
It realizes changeing for swirler, thus test efficiency can be improved, save experimentation cost.
2. by opening up threaded pilot hole in cover board 2, and setting the spiral shell of screw thread 30 Yu pilot hole in 3 lateral wall of mounting base
Line cooperation, this assembly method structure is simple, and assembly or disassembly can be carried out by only needing directly to turn the rotation of mounting base 3.
3. the setting of the first gasket 5 and the second gasket 8, can effectively between sealed installing seat 3 and cover board 2, whirlpool
The fit-up gap between device 4 and mounting base 3 is flowed, this double sealing structure can effectively enhance air-tightness.
4. the boss 33 formed in the through-hole 32 of mounting base 3 is used to mount the chimb 42 of swirler 4 with support swirler 4,
This assembling structure is not necessarily to screw, and structure very simple, facilitates the assembly or disassembly of swirler 4.
5. placing adjustment ring 6 in 42 upper surface of chimb of swirler 4, there are three aspects for effect: first is for compensating
The fit-up gap along 4 own axes direction of swirler that experimental rig is likely to occur after assembling；Second is to dismount in order to prevent
The chimb 42 of swirler 4 is worn when retaining ring 7；Third is because retaining ring 7 uses opening design, if directlying adopt the progress of retaining ring 7
Assembly, the load for being applied to chimb 42 on swirler 4 weigh circumferential asymmetry, and experimental rig is possible to can have gas leakage hidden danger.
6. the setting of retaining ring 7 can limit swirler 4, while retaining ring 7 is in the ring-type with opening, with bullet
Property and end offers holding holes 70, such structure can realize easily and efficiently assembly and disassembly operations.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of for measuring the experimental rig of swirler air mass flow, including pressure cartridge module (1), the pressure cartridge module
(1) one end connecting cover plate (2), pressure cartridge module (1) other end connect measuring mechanism, which is characterized in that the cover board
(2) it is equipped on mounting base (3), the mounting base (3) is threadedly coupled with the cover board (2), is equipped with and uses in the mounting base (3)
In suit swirler (4) installation structure, the installation structure include edge axially through the mounting base (3) through-hole (32),
And radially extended the boss to be formed (33) from the inner wall of the through-hole (32), the through-hole (32) is for accommodating the whirlpool
The main body (41) of device (4) is flowed, the boss (33) is used to support the chimb (42) of the swirler (4).
2. according to claim 1 for measuring the experimental rig of swirler air mass flow, which is characterized in that the cover board
(2) offer threaded pilot hole, the lateral wall of the mounting base (3) is equipped with screw thread (30), the screw thread (30) with it is described
The wall surface of pilot hole cooperates.
3. according to claim 1 for measuring the experimental rig of swirler air mass flow, which is characterized in that the test
Device further includes the first gasket (5) being located between mounting base (3) and the cover board (2).
4. according to claim 1 for measuring the experimental rig of swirler air mass flow, which is characterized in that the boss
(33) top forms mesoporous (34), and the experimental rig further includes the adjustment ring (6) being placed in the mesoporous (34).
5. according to claim 1 for measuring the experimental rig of swirler air mass flow, which is characterized in that the through-hole
(32) inner wall is equipped with the groove (35) that recess is formed in the top of the boss (33), and the experimental rig further includes assembly
In the retaining ring (7) in the groove (35).
6. according to claim 5 for measuring the experimental rig of swirler air mass flow, which is characterized in that the retaining ring
(7) in the ring-type with opening and with elasticity, the end of the retaining ring (7) offers holding holes (70).
7. according to claim 1 for measuring the experimental rig of swirler air mass flow, which is characterized in that the test
Device further includes the second gasket (8) for being covered in the boss (33) upper surface.
8. according to claim 1 for measuring the experimental rig of swirler air mass flow, which is characterized in that the pressure
Cartridge module (1) has air collecting chamber (10), and the upside of the air collecting chamber (10) is connected to the through-hole (32), and the boss (33) is high
In the cover board (2) and it is used to support the positive swirler (4) being packed into from top to bottom；The measuring mechanism is to be connected to the collection
Air cavity (10) other side, vacuum pump with flow measurement and display function or the measuring mechanism include successively
It is connected to the flowmeter and vacuum pump of the air collecting chamber (10) other side.
9. according to claim 1 for measuring the experimental rig of swirler air mass flow, which is characterized in that the test
Device further includes the plug (9) for being assembled in the nozzle mounting hole (43) of the swirler (4), and the plug (9) is by bullet
Property rubber material is made, and the plug (9) includes tapered insertion section (90) and outside from the insertion section (90) upper end
The stop section (91) that side extends to form.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710294245.3A CN107219066B (en) | 2017-04-28 | 2017-04-28 | For measuring the experimental rig of swirler air mass flow |
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| CN201710294245.3A CN107219066B (en) | 2017-04-28 | 2017-04-28 | For measuring the experimental rig of swirler air mass flow |
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| CN107219066B true CN107219066B (en) | 2019-04-26 |
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| CN114354203B (en) * | 2022-03-18 | 2022-06-03 | 成都中科翼能科技有限公司 | Swirler and nozzle integration performance test device |
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| CN107219066A (en) | 2017-09-29 |
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