CN106595791B - A kind of hollow blade inner flow measurement fixture - Google Patents
A kind of hollow blade inner flow measurement fixture Download PDFInfo
- Publication number
- CN106595791B CN106595791B CN201611188985.0A CN201611188985A CN106595791B CN 106595791 B CN106595791 B CN 106595791B CN 201611188985 A CN201611188985 A CN 201611188985A CN 106595791 B CN106595791 B CN 106595791B
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- China
- Prior art keywords
- middle groove
- hollow blade
- cover board
- adjustment
- cope plate
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such 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
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
Abstract
A kind of hollow blade inner flow measurement fixture comprising pedestal, the cope plate being detachably connected with pedestal, pressing plate and adjustment frame；Pedestal is provided with a supporting block, supporting block is provided with the top surface of the molding surface size of the lower surface of corresponding matrix, cope plate is provided with bottom surface corresponding with the type face of the upper surface of hollow blade, cope plate corresponds to gas outlet and recess runner is provided with middle groove, corresponding each middle groove, it is provided with the adjustment briquetting and sealed briquette being detachably connected, adjustment briquetting is provided with the corresponding bottom surface in type face of cover board corresponding with middle groove, sealed briquette is provided with the corresponding L-type gasket in type face of cover board corresponding with middle groove and the runner that is recessed, adjustment frame corresponds to middle groove setting, and there are four pilot holes, pass through pilot hole, adjustment frame is rotatably connected there are four compression bar.A kind of hollow blade inner flow measurement fixture provided by the present invention, the stability of the qualification rate and product quality that make part are remarkably enhanced.
Description
Technical field
The present invention relates to aero-engine technology field, the in particular to inner cavities of the hollow blade of a kind of pair aero-engine
Carry out the fixture of flow measurement.
Background technique
Aero-engine is to adapt to severe cold environment, and it is next as 0 grade of guide vane to devise a kind of hollow copper blade comprising cavity
Progress bleed is anti-icing, and Fig. 1 is a kind of decomposition texture schematic diagram of the hollow blade of aero-engine, and Fig. 2 is the hollow blade of Fig. 1
Assembled state overlooking structure diagram, ginseng as shown in FIGS. 1 and 2, the hollow blade 1 passes through soldering by cover board 11 and matrix 12
It combines, geometry, interior lumen type face are free form surface, and dimension precision requirement is high, and belongs to thin wall vane, described
The shaft end of matrix 12 is provided with an air inlet 13, and described matrix 12 is provided with the recess being connected to the air inlet 13 in blade
Portion, in the recessed portion setting there are three supporting rib 121, the cover board 11 and matrix 12 by be brazed combine after with the support
The depressed section is separated out four gas outlets 14 by muscle 121, and each gas outlet 14 has recess to flow outside the cover board 11
Road 141, the minor change of the intracavity space of each gas outlet 14 influences 14 flow of gas outlet after brazing
Variation, the difference of the geomery of each gas outlet 14 also influence whether the flow value of each outlet, cause the sky of part
Throughput control difficulty is big, often leads to part rejection since air mass flow is overproof.
The single port flow-measuring method of traditional flow is, seals with wax stifled three using fusing every time to four gas outlets 14
Place, alternately sealing wax and dewaxing carry out four times, complete the detection of four 14 flows of gas outlet.Each sealing wax is required to dewaxing
Time waits, and is difficult to ensure that the wax for flowing into inner cavity cleans up after dewaxing.While working efficiency is low, inner cavity fifth wheel
It can not be controlled.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of hollow blade inner flow measurement fixtures, to be reduced or avoided
The problem of being formerly mentioned.
In order to solve the above technical problems, the present invention provides a kind of hollow blade inner flow measurement fixture, it is described hollow
Blade is combined with matrix by soldering by cover board, and the shaft end of described matrix is provided with an air inlet, and described matrix exists
Blade is provided with the recessed portion being connected to the air inlet, and there are three supporting rib, the cover board and bases for setting in the recessed portion
Body is by being separated out four gas outlets for the depressed section with the supporting rib after soldering combination, and each gas outlet is described
There is recess runner outside cover board, the fixture includes:
Pedestal, the cope plate being detachably connected with the base, pressing plate and adjustment frame；
The pedestal is provided with a supporting block, and the supporting block is provided with the type face ruler of the lower surface of corresponding described matrix
Very little top surface,
The cope plate is provided with bottom surface corresponding with the type face of the upper surface of the hollow blade, and the cope plate is corresponding
The gas outlet and the recess runner are provided with middle groove, and corresponding each middle groove is provided with the tune being detachably connected
Seamless block and sealed briquette, the adjustment briquetting are provided with the corresponding bottom in type face of the cover board corresponding with the middle groove
Face, the sealed briquette are provided with the corresponding L-type in type face of the cover board corresponding with the middle groove and the recess runner
Gasket,
The adjustment frame corresponds to the middle groove setting, and there are four pilot holes, and by the pilot hole, the adjustment frame can
There are four compression bars for rotation connection.
Preferably, the top of the adjustment briquetting and the sealed briquette may be provided with for connecting with the compression bar
Rotatable disk.
Preferably, the cope plate, the pressing plate and the adjustment frame pass through corresponding positioning column and the pedestal
It is detachably connected.
A kind of hollow blade inner flow measurement fixture provided by the present invention has broken what traditional measurement and processing separated
The stability of mode, the qualification rate and product quality that make part is remarkably enhanced.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein,
Fig. 1 is a kind of decomposition texture schematic diagram of the hollow blade of aero-engine；
Fig. 2 is the assembled state overlooking structure diagram of the hollow blade of Fig. 1,
Fig. 3 is a kind of decomposition knot of hollow blade inner flow measurement fixture of a specific embodiment according to the present invention
Structure schematic illustration.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.Wherein, identical component uses identical label.
Fig. 1 is a kind of decomposition texture schematic diagram of the hollow blade of aero-engine；Fig. 2 is the group of the hollow blade of Fig. 1
Conjunction state overlooking structure diagram, Fig. 3 are that a kind of hollow blade inner flow of a specific embodiment according to the present invention is surveyed
Measure the decomposition texture schematic illustration of fixture.As shown in figure 1 to 3, the present invention provides a kind of hollow blade inner flow measurements for ginseng
Fixture, the hollow blade 1 are combined with matrix 12 by soldering by cover board 11, and the shaft end of described matrix 12 is provided with one
A air inlet 13, described matrix 12 are provided with the recessed portion being connected to the air inlet 13, setting in the recessed portion in blade
There are three supporting rib 121, the cover board 11 and matrix 12 by be brazed combine after with the supporting rib 121 by the depressed section
Four gas outlets 14 are separated out, there is recess runner 141 in each gas outlet 14 outside the cover board 11, and the fixture includes bottom
Seat 2, cope plate 3, pressing plate 4 and the adjustment frame 5 being detachably connected with the pedestal 2；
The pedestal 2 is provided with a supporting block 21, and the supporting block 21 is provided with the lower surface of corresponding described matrix 12
Molding surface size top surface,
The cope plate 3 is provided with bottom surface corresponding with the type face of upper surface of the hollow blade 1, the cope plate 3
The corresponding gas outlet 14 and the recess runner 141 are provided with middle groove 31, and corresponding each middle groove 31, being provided with can
The adjustment briquetting 32 and sealed briquette 33 of dismantling connection (only indicate an adjustment briquetting 32 and three sealed briquettes in Fig. 3
33, however, those skilled in the art should understand that, each corresponding described middle groove 31, is provided with adjustment briquetting 32 and sealing pressure
Block 33), the adjustment briquetting 32 is provided with the corresponding bottom surface in type face of the cover board 11 corresponding with the middle groove 31, described
Sealed briquette 33 is provided with the corresponding L-type in type face of the cover board 11 corresponding with the middle groove and the recess runner 141
Gasket 331,
There are four pilot holes 51 for the corresponding setting of middle groove 31 of the adjustment frame 5, pass through the pilot hole 51, the tune
Whole frame is rotatably connected there are four compression bar 52.
The application method of fixture provided by the present invention are as follows:
The hollow blade 1 is placed in the supporting block 21 by step A, the cope plate 3 is placed in described hollow
1 top of blade, keeps the middle groove 31 corresponding with the gas outlet 14 and the recess runner 141, the fixed cope plate 3,
The cope plate 3 is set to clamp the hollow blade 1 with the supporting block 21, for wanting a gas outlet of measuring flow
14, it is put into corresponding adjustment briquetting 32 in its corresponding described middle groove 31, distinguishes in the middle groove 31 described in the other three
It is put into the corresponding sealed briquette 33, the pressing plate 4 is installed, presss from both sides the pressing plate 4 further from 31 side of middle groove
The tight cope plate 3, installs the adjustment frame 5, and connect the compression bar 52 in the pilot hole 51, makes the compression bar 52 and institute
It states adjustment briquetting 32 and the sealed briquette 33 contacts；
The supporting block 21 is provided with the top surface of the molding surface size of the lower surface of corresponding described matrix 12, and that is to say can ensure
When the hollow blade 1 is placed in the supporting block 21, it can be bonded well with the supporting block 21.The supporting block 21
Top surface area can be greater than the area of the lower surface of described matrix 12, in the position of the molding surface size of the lower surface of corresponding described matrix 12
The place of setting can be indicated by modes such as scribing line, can easier place the hollow blade 1 in this way,
The cope plate 3 is provided with bottom surface corresponding with the type face of upper surface of the hollow blade 1, and correspondence is described out
Port 14 and the recess runner 141 are provided with middle groove 31, that is to say, that the cope plate 3 with the hollow blade 1
It, can be with 1 upper surface of hollow blade in addition to 14 top of the recess runner 141 and the gas outlet after the fitting of upper surface
Other positions outside the cover board 11 of part are effectively bonded.It is shown in Figure 3, in a preferred embodiment, the cope plate 3
It can be connect by positioning column with the pedestal 2, can ensure that the cope plate 3 can be good at and be placed on the supporting block in this way
The hollow blade 1 on 21 is bonded, in addition, can also fix the cope plate 3 by nut on the positioning column, in this way
It can ensure the clamping to the hollow blade 1.
The width of the middle groove 31 may be slightly larger than the width of its corresponding recess runner 141, for example, leading in described
Its corresponding described 141 width 2mm of recess runner of the width comparable of slot 31, that is, may make corresponding 33 energy of the sealed briquette
It is enough respectively to have more 1mm in 141 two sides of recess runner, the sealed briquette 33 can be ensured to the recess runner 141 in this way
Effectively sealing.The length of the middle groove 31 can be bigger than the length of the recess runner 141, for example, the middle groove 31
Length can be 4-10mm bigger than the length of the recess runner 141, can ensure that the sealed briquette 33 can be effectively to described in this way
The top of gas outlet 14 is sealed, and can ensure that the adjustment briquetting 32 and being exposed in described for 14 top of gas outlet lead to
The contact of the cover board 11 in slot 31.
Shown in Figure 3, the pressing plate 4 and the adjustment frame 5 can equally pass through corresponding positioning column and the pedestal 2
Connect simultaneously can be fixed by nut, the pressing plate 4 can 31 side of the middle groove to the cope plate 3 clamp, thus
Ensure fitting closely for the cope plate 3 and the hollow blade 1.
In a preferred embodiment, the top of the adjustment briquetting 32 and the sealed briquette 33, which may be provided with, is used for
The rotatable disk connecting with the compression bar 52, the disk can be through bearing and the adjustment briquetting 32 and described close
It seals briquetting 33 to connect, can avoid driving the adjustment briquetting 32 and the sealed briquette 33 when rotating the compression bar 52 pushing in this way
Rotation, to cause to shift or wear.
Step B keeps the sealed briquette 33 right to its by rotating the compression bar 52 connecting with the sealed briquette 33
The gas outlet 14 answered is sealed, and the air inlet 13 is connect and ventilated with gas source, whole device is immersed water later
In, so that the upper surface of the hollow blade 1 is maintained at the water surface hereinafter, checking the sealed briquette 33 to the close of the gas outlet 14
Seal situation；
Step C, the sealed briquette 33 as described in step B are bad to the sealing of the gas outlet 14, have gas leakage, then further
Make its good seal by the position that the compression bar 52 adjusts the sealed briquette 33, such as sealed briquette 33 is to the outlet
The effectively sealing of mouth 14, then take out whole device, and increase gas stream between the air inlet 13 and the gas source from water
Meter is simultaneously ventilated again, and flow value measured by gas flowmeter is the corresponding gas outlet of the adjustment briquetting 32 at this time
14 flow value；
Step D, the flow value of gas outlet 14 meets design requirement as described in the adjustment briquetting 32 is corresponding, then completes to flow
Measurement, if the flow value of the corresponding gas outlet 14 of the adjustment briquetting 32 does not meet design requirement, then rotate with it is described
The compression bar 52 that briquetting 32 connects is adjusted, the adjustment briquetting 32 is made to be pressed down against the contact site of the corresponding cover board 11
And it is deformed it, in the process, flow value measured by the gas flowmeter is observed, when the gas flowmeter institute
When the flow value measured meets design requirement, stop rotating the compression bar 52 corresponding with the adjustment briquetting 32, completes to the
The flow measurement process of one gas outlet 14.
Step E repeats step A-D for gas outlet 14 described in the other three, completes to flow the inner cavity of the hollow blade 1
Measurement.
The present invention is that corresponding each gas outlet 14 is provided with adjustment 32 He of briquetting with the maximum difference of the prior art
Sealed briquette 33, so as to be mechanically sealed to each gas outlet 14, and can be by adjusting briquetting 32
Real-time traffic adjustment is carried out to the measured gas outlet 14, has broken the mode that traditional measurement is separated with processing, has made part
Qualification rate and the stability of product quality be remarkably enhanced.
It will be appreciated by those skilled in the art that although the present invention is described in the way of multiple embodiments,
It is that not each embodiment only contains an independent technical solution.So narration is used for the purpose of for the sake of understanding in specification,
The skilled in the art should refer to the specification as a whole is understood, and by technical solution involved in each embodiment
Regard as and can be combined with each other into the modes of different embodiments to understand protection scope of the present invention.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent variations, modification and combination under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (4)
1. a kind of hollow blade inner flow measurement fixture, which is characterized in that the hollow blade passes through pricker by cover board and matrix
Weldering is combined, and the shaft end of described matrix is provided with an air inlet, and described matrix is provided with and the air inlet in blade
The recessed portion of connection, in the recessed portion setting there are three supporting rib, the cover board and matrix by be brazed combine after with it is described
The depressed section is separated out four gas outlets by supporting rib, and there are recess runner, institute in each gas outlet outside the cover board
Stating fixture includes pedestal, cope plate, pressing plate and the adjustment frame being detachably connected with the base；
The pedestal is provided with a supporting block, and the supporting block is provided with the molding surface size of the lower surface of corresponding described matrix
Top surface,
The cope plate is provided with bottom surface corresponding with the type face of the upper surface of the hollow blade, described in the cope plate is corresponding
Gas outlet and the recess runner are provided with middle groove, and corresponding each middle groove is provided with the adjustment pressure being detachably connected
Block and sealed briquette, the adjustment briquetting are provided with the corresponding bottom surface in type face of the cover board corresponding with the middle groove, institute
State the corresponding L-type sealing in type face that sealed briquette is provided with the cover board corresponding with the middle groove and the recess runner
Pad,
The adjustment frame corresponds to the middle groove setting, and there are four pilot holes, and by the pilot hole, the adjustment frame is rotatable
There are four compression bars for connection.
2. fixture according to claim 1, which is characterized in that be all provided at the top of the adjustment briquetting and the sealed briquette
It is equipped with the rotatable disk for connecting with the compression bar.
3. fixture described in one of -2 according to claim 1, which is characterized in that the cope plate, the pressing plate and the tune
Whole frame passes through corresponding positioning column and is detachably connected with the base.
4. fixture according to claim 3, which is characterized in that length of the length of the middle groove than the recess runner
Big 4-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611188985.0A CN106595791B (en) | 2016-12-21 | 2016-12-21 | A kind of hollow blade inner flow measurement fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611188985.0A CN106595791B (en) | 2016-12-21 | 2016-12-21 | A kind of hollow blade inner flow measurement fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106595791A CN106595791A (en) | 2017-04-26 |
| CN106595791B true CN106595791B (en) | 2019-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611188985.0A Active CN106595791B (en) | 2016-12-21 | 2016-12-21 | A kind of hollow blade inner flow measurement fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106595791B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581346B (en) * | 2018-08-14 | 2020-05-19 | 中国航发南方工业有限公司 | Hollow blade anchor clamps for brazing |
| CN116990007A (en) * | 2023-09-28 | 2023-11-03 | 中国航发沈阳黎明航空发动机有限责任公司 | Special frock of hollow minute chamber guide vane water flow measurement of duplex integral casting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183244A (en) * | 1990-02-22 | 1993-02-02 | Southern California Edison | Blade assembling |
| CN103481219A (en) * | 2013-09-16 | 2014-01-01 | 西安航空动力股份有限公司 | Guide blade water flow measuring clamp and guide blade water flow measuring method |
| CN203752004U (en) * | 2014-03-03 | 2014-08-06 | 中国燃气涡轮研究院 | Flow testing fixture for guide vanes of turbine |
| CN104849014A (en) * | 2015-05-05 | 2015-08-19 | 中国南方航空工业(集团)有限公司 | Flow fixture for air cooling flow test on hollow blades |
| CN105269494A (en) * | 2015-11-26 | 2016-01-27 | 中国南方航空工业(集团)有限公司 | Blade flow test clamp |
| CN205254840U (en) * | 2015-12-11 | 2016-05-25 | 株洲中航动力精密铸造有限公司 | Blade exhaust hole flow measures anchor clamps |
-
2016
- 2016-12-21 CN CN201611188985.0A patent/CN106595791B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183244A (en) * | 1990-02-22 | 1993-02-02 | Southern California Edison | Blade assembling |
| CN103481219A (en) * | 2013-09-16 | 2014-01-01 | 西安航空动力股份有限公司 | Guide blade water flow measuring clamp and guide blade water flow measuring method |
| CN203752004U (en) * | 2014-03-03 | 2014-08-06 | 中国燃气涡轮研究院 | Flow testing fixture for guide vanes of turbine |
| CN104849014A (en) * | 2015-05-05 | 2015-08-19 | 中国南方航空工业(集团)有限公司 | Flow fixture for air cooling flow test on hollow blades |
| CN105269494A (en) * | 2015-11-26 | 2016-01-27 | 中国南方航空工业(集团)有限公司 | Blade flow test clamp |
| CN205254840U (en) * | 2015-12-11 | 2016-05-25 | 株洲中航动力精密铸造有限公司 | Blade exhaust hole flow measures anchor clamps |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106595791A (en) | 2017-04-26 |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |