CN206161272U - Reciprocating type blade tail generator - Google Patents
Reciprocating type blade tail generator Download PDFInfo
- Publication number
- CN206161272U CN206161272U CN201621146626.4U CN201621146626U CN206161272U CN 206161272 U CN206161272 U CN 206161272U CN 201621146626 U CN201621146626 U CN 201621146626U CN 206161272 U CN206161272 U CN 206161272U
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- hole
- support
- blade
- sealing strip
- pole
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- 238000002474 experimental method Methods 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000004088 simulation Methods 0.000 abstract description 5
- 244000188472 Ilex paraguariensis Species 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model belongs to ability driving source field relates to a reciprocating type blade tail generator, including mass motion part, experiment segment, crank link mechanism and inverter motor. The experiment segment including experiment blade, experiment segment end wall and guide rail, the guide rail passes through the bolt fastening in the outside of experiment segment end wall lower surface, the experiment blade passes wall through -hole on the experiment segment end wall, fixes wall under through the screw hole that matees. Mass motion part sealing strip, pole, bracing piece, support, the support is used for the erection bracing pole with the through -hole of sealing strip both sides, and the support is used for installing the pole with the screw hole at sealing strip middle part. Mass motion part in the one end of support be connected with crank link mechanism, crank link mechanism passes through the inverter motor drive. The utility model discloses can solve the simulation tail test operating mode and the great problem of operating mode difference of truly working, have that the commonality is good, characteristics of convenient to use, easily realization.
Description
Technical field
This utility model belongs to field of energy source power, is related to a kind of reciprocating blade wake passing generator.
Background technology
In the compressor and turbine of aero-engine, due to the tail that the presence of upstream and downstream blade row, upstream blade are produced
Separation of the mark to downstream blade surface boundary layer produces interference effect.This interference effect is studied for raising aero-engine
Efficiency and job stability have great importance.At present for effective research meanses that this interference effect is adopted --- it is real
It is very basic and necessary to test research meanses, is still that existing theoretical analysis and numerical method method is irreplaceable.Generally
Experimentation means be plane cascade experiment on the basis of, using certain diameter pole simulate upstream blade tail, leaf
The motion mode that the tail of type has same effect, pole with the tail with equal resistance cylinder has translation and rotation two
Plant, i.e. chain type tail generator and disc type tail generator.
Chain type tail generator adopts chain-driving pole, and pole is relative to leaf grating inlet side translation, although can be preferable
Simulation Upstream Wakes, but flowing down at a high speed can produce substantially vibration, affect certainty of measurement, and chain type tail generator to fill
Bulky is put, installs complicated；Disc type tail generator drives pole using firm wheel disc, pole in motor process with import
Side produces angle, and the tail of generation can cause air flow method unsymmetry in leaf grating, have bigger difference with true tail.Meanwhile,
Both tail analog all have flow leakage when pole is moved, and then cause the uneven shortcoming of inlet flow field.
Utility model content
For the deficiencies in the prior art, this utility model provides a kind of reciprocating blade wake passing generator, more preferable simulation
Real blade tail.
The technical solution of the utility model is：
A kind of reciprocating blade wake passing generator, including mass motion part, experimental section, toggle 8 and frequency conversion
Motor.
Described experimental section includes experiment blade 1, experimental section end wall 2 and guide rail 3.Described experiment blade 1 is test leaf
Piece, its blade profile is adjustable according to test content；The described square upper wall surface of experimental section end wall 2 has and the experiment shape identical of blade 1
There is screwed hole through hole, lower wall surface inner side, and there are two row's screwed holes in lower wall surface outside, has a strip to lead between two row's screwed holes
Hole；Screw thread hole site on the described lower wall surface of experimental section end wall 2 inner side matches with the through hole of the upper wall surface of experimental section end wall 2,
For installing fixed experiment blade 1；Two row's screwed holes and a strip through hole on the outside of the described lower wall surface of experimental section end wall 2
Match with the screwed hole on guide rail 3 and strip through hole.Described guide rail 3 is interior T-slot structure, and guide rail 3 is solid by bolt
It is scheduled on the outside of the lower surface of experimental section end wall 2；Described sealing strip 4 is placed in the T-slot of guide rail 3, for connecting mass motion
Part and experimental section, and coupling part is sealed.
Described mass motion part sealing strip 4, pole 5, support bar 6, support 7.The described both sides of support 7 respectively have one
There is screwed hole at through hole, middle part, and support 7 is the stock of rectangular cross-section；Respectively there is a through hole both sides of described sealing strip 4, in
There is screwed hole in portion；Described support 7 matches with the through hole of sealing strip 4 and the number of screwed hole and position；Support 7 and sealing strip
The through hole of 4 both sides is used to install support bar 6, and support 7 is used to install pole 5 with the screwed hole at the middle part of sealing strip 4.Described entirety
One end of support 7 in motion parts is connected with toggle 8, and toggle 8 is driven by frequency conversion motor.
Described sealing strip 4 is the strip aluminium sheet of thickness 5mm, has the hair of sealing function near the side of experimental section
Brush；A diameter of 2～4mm of described pole 5, material is rustless steel.
The motor process of this utility model experimental provision is：Frequency conversion motor rotarily drives toggle, crank connecting link
Mechanism drives support to move reciprocatingly, and support drives pole to do reciprocating before experiment blade.Pole is before experiment blade
Reciprocating is done, on testing blade inlet edge air-flow impact is produced, simulate impact of the Upstream Wakes to downstream blade performance.Experiment
When, according to the variety classes and installation site of experiment blade, when pole is moved to a direction, carry out adopting for experimental data
Collection, when pole is moved to other side direction, stops the collection of test data.
The beneficial effects of the utility model are：1) chain type that compares tail generator, solves well at a high speed to flow down
Pole vibration problems；The disc type that compares tail generator, solves the problems, such as well the angle of pole and entrance edge of blade.2)
Due to the design of guide rail and sealing strip device, it is to avoid flow field flow leakage in experimentation, affect the problem of experimental precision, make
The blade wake passing performance data of test is closer to real blade tail.3) because the pole of this device changes convenient, pole is adjusted
Pitch is simple, can carry out the experiment test of different blade profiles, different shedding frequencies and intensity, with versatility it is good, easy to use,
The characteristics of being easily achieved.
Description of the drawings
Fig. 1 is the general structure schematic diagram of reciprocating blade wake passing generator.
Fig. 2 be pole, support, sealing strip, support bar group into mass motion partial schematic diagram.
Fig. 3 is experiment blade, experimental section end wall, the connection diagram of guide rail.
Fig. 4 is the using method schematic diagram of reciprocating blade wake passing generator.
Fig. 5 is support schematic diagram.
Fig. 6 is sealing strip schematic diagram.
Fig. 7 is guide rail schematic diagram.
In figure：1 is experiment blade；2 is experimental section end wall；3 is guide rail；4 is sealing strip；5 is pole；6 is support bar；7
For support；8 is toggle.
Specific embodiment
This utility model is described further with reference to the accompanying drawings and detailed description：
This device is arranged on plane cascade blowing test platform, as shown in figure 1, including mass motion part, experimental section, song
Handle linkage 8 and frequency conversion motor.The square upper wall surface of experimental section end wall 2 has and experiment blade 1 shape identical, 6～8 through holes,
There are 6～8 screwed holes lower wall surface inner side, and there are two rows totally 10 screwed holes in lower wall surface outside, have one between two row's screwed holes
Strip through hole；6～8 screw thread hole sites and the upper wall surface of experimental section end wall 2 on the described lower wall surface of experimental section end wall 2 inner side
Through hole match, for installing fixed experiment blade 1；Two rows, 10 screw threads on the outside of the described lower wall surface of experimental section end wall 2
Screwed hole and strip through hole on hole and a strip through hole and guide rail 3 matches；Described experiment blade 1 is through experiment
The upper wall surface through holes of Duan Duanbi 2, by the screwed hole for matching lower wall surface is fixed on.Described guide rail 3 be interior T-slot structure, guide rail 3
It is bolted on the outside of the lower surface of experimental section end wall 2；Described sealing strip 4 is placed in the T-slot of guide rail 3, for even
Mass motion part and experimental section are connect, and coupling part is sealed.
Described mass motion part sealing strip 4, pole 5, support bar 6, support 7.The described both sides of support 7 respectively have one
There are 6～10 screwed holes at through hole, middle part, and support 7 is the stock of rectangular cross-section；The both sides of described sealing strip 4 respectively have one
There are 6～10 screwed holes at through hole, middle part；Described support 7 and the through hole of sealing strip 4 and the number of screwed hole and position phase
Match somebody with somebody；Support 7 is used to install support bar 6 with the through hole of the both sides of sealing strip 4, and support 7 is used to install with the screwed hole at the middle part of sealing strip 4
Pole 5.One end of support 7 in described mass motion part is connected with toggle 8.
Toggle 8 is driven by frequency conversion motor, and toggle drives support to move reciprocatingly, and support drives
Pole does reciprocating before experiment blade.Pole does reciprocating before experiment blade, and simulation Upstream Wakes are to downstream
The impact of Blade Properties.During experiment, according to the variety classes and installation site of experiment leaf grating, move to a direction in pole
When, the collection of experimental data is carried out, when pole is moved to other side direction, stop the collection of test data.Fig. 4 is reciprocal
The using method schematic diagram of formula blade wake passing generator, hollow arrow is experimental wind flow direction in figure, and filled arrows are pole
Reciprocating direction.
Specific embodiment (1), by the rotating speed for controlling frequency conversion motor, thus it is possible to vary the different motion speed of pole, reaches
To the control pole quantity and frequency by bucket front per minute, the tail quantity between dynamic and static blade can be simulated.
Specific embodiment (2), by the diameter for changing pole, the tail intensity and tail that can adjust pole comes off frequently
Rate.
Specific embodiment (3), by changing spacing of the pole on support, can control to pass through one within the unit interval
Shedding frequency in individual blade path.
In sum, the tail that this utility model can be simulated more really between dynamic and static blade interacts, and completes
Effect test, different tail strength tests are interfered between tail and boundary region, tail passes through frequency in the different unit interval
Test；The tail that can be simulated between dynamic and static blade interacts, and solves simulation test operating mode and real work operating mode difference
Larger problem, with versatility it is good, easy to use, be easily achieved the characteristics of.
Claims (8)
1. a kind of reciprocating blade wake passing generator, it is characterised in that the reciprocating blade wake passing generator includes mass motion
Partly, experimental section, toggle (8) and frequency conversion motor；
Described experimental section includes experiment blade (1), experimental section end wall (2) and guide rail (3)；Described experiment blade (1) is survey
Examination blade, its blade profile is determined by content is tested；Described experimental section end wall (2) upper wall surface has identical with experiment blade (1) shape
Through hole, lower wall surface inner side have the screwed hole matched with upper wall surface through hole, for fixed installation experiment blade (1)；Described
A strip through hole between two row's screwed holes and two row's screwed holes on the outside of experimental section end wall (2) lower wall surface and guide rail (3)
On screwed hole and strip through hole match, for fixedly mounting guide rail (3)；Sealing strip (4) is placed in the T-slot of guide rail (3)
It is interior, for connecting mass motion part and experimental section, and coupling part is sealed；
Described mass motion part includes sealing strip (4), pole (5), support bar (6), support (7)；Described support (7) two
Respectively there is a through hole side, and there is a screwed hole at middle part, support (7) for rectangular cross-section stock；The both sides of described sealing strip (4) are each
There is a through hole, there is screwed hole at middle part；Described support (7) and the through hole of sealing strip (4) and the number of screwed hole and position phase
Matching；Support (7) is used to install support bar (6), the spiral shell in the middle part of support (7) and sealing strip (4) with the through hole of sealing strip (4) both sides
Pit is used to install pole (5)；One end of support (7) in described mass motion part is connected with toggle (8),
Toggle (8) is driven by frequency conversion motor.
2. a kind of reciprocating blade wake passing generator according to claim 1, it is characterised in that described guide rail (3) is
Interior T-slot structure.
3. a kind of reciprocating blade wake passing generator according to claim 1 and 2, it is characterised in that described experimental section
End wall (2) upper wall surface through hole number is identical with lower wall surface inside thread hole number.
4. a kind of reciprocating blade wake passing generator according to claim 1 and 2, it is characterised in that described sealing strip
(4) it is the strip aluminium sheet of thickness 5mm, there is the hairbrush of sealing function near the side of experimental section.
5. a kind of reciprocating blade wake passing generator according to claim 3, it is characterised in that described sealing strip (4)
For the strip aluminium sheet of thickness 5mm, there is the hairbrush of sealing function near the side of experimental section.
6. a kind of reciprocating blade wake passing generator according to claim 1 or 2 or 5, it is characterised in that described pole
(5) a diameter of 2～4mm, material is rustless steel.
7. a kind of reciprocating blade wake passing generator according to claim 3, it is characterised in that described pole (5)
A diameter of 2～4mm, material is rustless steel.
8. a kind of reciprocating blade wake passing generator according to claim 4, it is characterised in that described pole (5)
A diameter of 2～4mm, material is rustless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146626.4U CN206161272U (en) | 2016-10-21 | 2016-10-21 | Reciprocating type blade tail generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146626.4U CN206161272U (en) | 2016-10-21 | 2016-10-21 | Reciprocating type blade tail generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161272U true CN206161272U (en) | 2017-05-10 |
Family
ID=58654660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621146626.4U Withdrawn - After Issue CN206161272U (en) | 2016-10-21 | 2016-10-21 | Reciprocating type blade tail generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441782A (en) * | 2016-10-21 | 2017-02-22 | 大连理工大学 | Reciprocating blade wake generator |
| CN108692913A (en) * | 2018-04-20 | 2018-10-23 | 浙江大学 | A kind of circulating Stator tail generating means |
-
2016
- 2016-10-21 CN CN201621146626.4U patent/CN206161272U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441782A (en) * | 2016-10-21 | 2017-02-22 | 大连理工大学 | Reciprocating blade wake generator |
| CN106441782B (en) * | 2016-10-21 | 2018-12-18 | 大连理工大学 | A kind of reciprocating blade wake passing generator |
| CN108692913A (en) * | 2018-04-20 | 2018-10-23 | 浙江大学 | A kind of circulating Stator tail generating means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170510 Effective date of abandoning: 20181218 |
|
| AV01 | Patent right actively abandoned |