CN112179666B - Multipurpose distortion generator based on distributed movable plugboard - Google Patents
Multipurpose distortion generator based on distributed movable plugboard Download PDFInfo
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- CN112179666B CN112179666B CN202010990119.3A CN202010990119A CN112179666B CN 112179666 B CN112179666 B CN 112179666B CN 202010990119 A CN202010990119 A CN 202010990119A CN 112179666 B CN112179666 B CN 112179666B
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- guide rail
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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- Engineering & Computer Science (AREA)
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Abstract
The invention provides a multipurpose distortion generator based on a distributed movable plugboard, which belongs to the technical field of aero-engines and particularly comprises a plugboard box, wherein a hollow channel is formed in the plugboard box, and two ends of the hollow channel are respectively connected with a pipeline to form an airflow channel; the air flow direction of the interior perpendicular to the air flow channel of the plug board box is sequentially provided with a plurality of guide rails, the plug board is arranged on the guide rails and slides on the guide rails, so that the air flow channel forms shielding surfaces with different shapes, and the air flow channel generates air flow pressure distortion with different forms. The invention adjusts the plugboard through the control system, changes the plugboard combination mode and the insertion depth, changes the pressure parameter space and time distribution of the downstream flow field, can realize the function of simulating various distorted flow fields, shortens the test hours, reduces the cost of manpower and material resources, and has larger economic benefit.
Description
Technical Field
The utility model relates to an aeroengine technical field especially relates to a multipurpose distortion generator based on distributed movable picture peg.
Background
In the processes of an aero-engine intake pressure distortion model-touching test or the forward compatibility check of the existing engine models and the like, a flow field distortion device is required to be used for realizing the simulation in different pressure distortion modes.
The currently used flow field distortion devices are single plug boards, only the influence of a straight board, a crescent board and a conical board on a downstream flow field can be realized in an isolated manner, an engine or an air source needs to be stopped in the test process to realize the replacement and the assembly of the plug boards, and meanwhile, the replacement and the assembly of the plug boards need to be carried out on a plug board box body, so that the operation difficulty is high, and the time is long. For example: although the distortion air inlet device of the Shenyang dawn aircraft engine (group) Limited liability company (CN 106523190) has the function of variable depth, an adjustable actuating mechanism is not provided, the insertion depth of the insertion plate cannot be adjusted in real time in the test process, and the form of the insertion plate cannot be changed. Although the flow field distortion simulation device of the beijing power machinery research institute (CN 103471852) has an adjustable actuation device, the formed distortion flow field is single, and only the function of a crescent moon plate distortion generator can be realized, and the function of simulating various distortion flow fields cannot be realized.
Disclosure of Invention
In view of this, the embodiments of the present disclosure provide a multi-purpose distortion generator based on a distributed movable plugboard, where the movable plugboard adopted in the distortion generator moves in a direction perpendicular to an airflow direction in an airflow pipeline, changes a pressure parameter space and a time distribution of a downstream flow field, and can implement a function of simulating various distortion flow fields.
In order to achieve the above purpose, the invention provides the following technical scheme:
a multipurpose distortion generator based on a distributed movable plug board comprises a plug board box, wherein a hollow channel is formed in the plug board box, and two ends of the hollow channel are respectively connected with a pipeline to form an airflow channel; the air flow direction of the interior perpendicular to the air flow channel of the plug board box is sequentially provided with a plurality of guide rails, the plug board is arranged on the guide rails and slides on the guide rails, so that the air flow channel forms shielding surfaces with different shapes, and the air flow channel generates air flow pressure distortion with different forms.
The power end of the inserting plate actuating cylinder generates driving force so that the inserting plate can move on the guide rail.
Furthermore, the power end of the inserting plate actuating cylinder is driven by a driving device, and the driving device is controlled by a control system.
Further, the driving device is a motor or a hydraulic station.
Furthermore, the upper section of the guide rail is in an I shape, and a T-shaped groove matched with the upper part of the guide rail is formed in the lower surface of the inserting plate, so that the inserting plate is connected with the guide rail in a sliding manner.
Furthermore, a C-shaped groove is formed in the lower portion of the guide rail, and the upper surface of the inserting plate is matched with the C-shaped groove.
Furthermore, a plurality of the inserting plates slide on the guide rail to form a rectangular shielding surface.
Further, a plurality of the inserting plates slide on the guide rail to form a conical shielding surface.
Furthermore, a plurality of the inserting plates slide on the guide rail to form a crescent-shaped shielding surface.
The invention discloses a multipurpose distortion generator based on a distributed movable plugboard, which has the beneficial effects that:
1. the distributed movable plugboards are adjustable respectively, can form different combined shapes, and can check the stable working capacity of the aircraft engine in different pressure distortion modes respectively.
2. The distributed movable plugboard is controlled by the control system, the depth of different plugboards inserted into the channel can be adjusted in the test, so that the movable plugboard distortion generator really realizes the function of continuously adjusting the plugboards in the test, the outlet flow spectrums of the air inlet channels in different states can be accurately simulated, and powerful guarantee is provided for the test of the aircraft engine.
3. The distributed movable plugboards are adjusted through the control system, the plugboard combination mode and the insertion depth are changed, the test hours are greatly shortened, the test cost is saved, the labor cost is reduced, and the economic benefit is greater.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a card cage according to the present invention;
FIG. 2 is a schematic view of the external structure of the box of the present invention;
FIG. 3 is a schematic diagram of a distortion generator in the form of a straight plate assembly;
FIG. 4 is a schematic view of the distortion generator of the present invention in the form of a tapered plate assembly;
FIG. 5 is a schematic structural diagram of the distortion generator of the present invention in the form of a crescent moon plate assembly;
FIG. 6 is a schematic structural diagram of a distortion generator in the form of a dual patch panel assembly according to the present invention;
FIG. 7 is a schematic view of a rail and insert structure of the distortion generator of the present invention;
fig. 8 is another schematic view of the structure of the guide rail and the insert plate of the distortion generator of the present invention.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure of the present disclosure. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be carried into practice or applied to various other specific embodiments, and various modifications and changes may be made in the details within the description and the drawings without departing from the spirit of the disclosure. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the disclosure, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should be further noted that the drawings provided in the following embodiments are only schematic illustrations of the basic concepts of the present disclosure, and the drawings only show the components related to the present disclosure rather than the numbers, shapes and dimensions of the components in actual implementation, and the types, the numbers and the proportions of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
Referring to fig. 1 and 2, the disclosed embodiment provides a multipurpose distortion generator based on a distributed movable plugboard, which includes a plugboard box 1, wherein a hollow channel is formed in the plugboard box 1, and two ends of the hollow channel are respectively connected with a pipeline 5 to form an airflow channel 6; the inside air current direction of perpendicular to airflow channel 6 of picture peg case 1 sets gradually a plurality of guide rails 3, set up picture peg 2 on the guide rail 3, picture peg 2 slides on guide rail 3, and is right airflow channel 6 forms the face of sheltering from of different shapes, makes airflow channel 6 produces the airflow pressure distortion of different forms.
In the above embodiment, the cylindrical duct 5 is hermetically installed with the insert plate box 1, the insert plate box 1 and the duct 5 form a circular air flow channel 6, and the plurality of insert plates 2 are respectively installed on the guide rail 3 and can be horizontally translated along the guide rail 3 to change the cross-sectional shape of the air flow channel 6 so as to generate different air flow pressure distortions.
In a preferred embodiment, the plug board device further comprises a plug board actuating cylinder 4, the free end of the plug board actuating cylinder 4 is fixedly connected with one end of the plug board 2, and the power end of the plug board actuating cylinder 4 generates driving force so as to enable the plug board 2 to move on the guide rail 3. The power end of the plate inserting actuating cylinder 4 is driven by a driving device, and the driving device is controlled by a control system 7. Preferably, the drive means is an electric motor or a hydraulic station.
The board actuators 4 are controlled by the control system 7 to change the relative positions of the distributed movable boards 2 to form different combination shapes according to a control plan set in the control system 7.
The invention solves the technical problem and achieves the design goal based on the following ideas:
the distributed movable inserting plate 2 is not inserted into the circular airflow channel 6 in the initial state, and airflow in the pipeline can smoothly flow through the circular airflow channel; the control system 7 respectively controls the inserting plate actuating cylinders 4 to enable the distributed movable inserting plates 2 to stay at different positions to combine arrangement modes such as straight plates, tapered plates, crescent plates, double-area inserting plates and the like, and different forms of air flow pressure distortion are generated at the downstream of the distortion generator by shielding effects of different degrees on air flows.
In a preferred embodiment, a plurality of said insert plates 2 slide on the guide rails 3 forming a rectangular blocking surface. As shown in fig. 3, the control system 7 controls the board actuator 4 to move horizontally, so that the left end face of the distributed movable board 2 keeps moving vertically and horizontally, the airflow in the airflow channel 6 is acted by the board 2 to generate a backflow area at the downstream of the board 2, and the airflow pressure loss generates a low-pressure area, thereby realizing the function of the straight board distortion generator.
In a preferred embodiment, a plurality of said insert plates 2 slide on the guide rails 3 forming a conical screening surface. As shown in fig. 4, the control system 7 controls the plugboard actuator 4 to move horizontally, so that the central points of the left end surfaces of the distributed movable plugboards 2 respectively pass through the ray (the included angle in this example is 120 °) of the target included angle with the center of the air flow channel 6 as the origin, and the downstream flow field appears a low-pressure region passing through the central point of the air flow channel 6, thereby realizing the function of the conical board distortion generator.
In a preferred embodiment, a plurality of said insert plates 2 slide on the guide rail 3 to form a crescent-shaped blocking surface. As shown in fig. 5, the control system 7 controls the plugboard actuator cylinders 4 to move horizontally, so that the central points of the left end surfaces of the distributed movable plugboards 2 respectively pass through target arcs, the target arcs are designed as required, and a low-pressure area mainly along one side wall surface of the airflow channel 6 appears in a downstream flow field, thereby realizing the function of the crescent moon plate distortion generator.
As shown in fig. 6, the control system 7 controls the plugboard actuator cylinders 4 to move horizontally, so that a certain number of plugboards 2 above and below the distributed movable plugboards 2 are inserted into the flow channel, and a downstream flow field has two low-pressure regions, thereby realizing the function of a dual-region plugboard distortion generator.
In a preferred embodiment, as shown in fig. 7 and 8, in order to ensure good air tightness between the guide rail 3 and the insert plate 2, the upper section of the guide rail 3 is i-shaped, and a T-shaped groove adapted to the upper part of the guide rail 3 is formed in the lower surface of the insert plate 2, so that the insert plate 2 is slidably connected with the guide rail 3. Further preferably, a C-shaped groove is formed in the lower portion of the guide rail 3, and the upper surface of the inserting plate 2 is matched with the C-shaped groove, so that the requirement of air tightness is met.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present disclosure should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (8)
1. A multipurpose distortion generator based on a distributed movable plugboard is characterized in that: the air distribution box comprises a board insertion box, wherein a hollow channel is formed in the board insertion box, and two ends of the hollow channel are respectively connected with a pipeline to form an air flow channel; the plug board box is internally provided with a plurality of guide rails in sequence perpendicular to the airflow direction of the airflow channel, plug boards are arranged on the guide rails and slide on the guide rails to form shielding surfaces with different shapes for the airflow channel, so that the airflow channel generates airflow pressure distortion with different forms;
the power end of the inserting plate actuating cylinder generates driving force so that the inserting plate can move on the guide rail.
2. The multipurpose distortion generator based on a distributed removable board as claimed in claim 1, wherein: the power end of the flashboard actuating cylinder is driven by a driving device, and the driving device is controlled by a control system.
3. The multipurpose distortion generator based on a distributed removable board as claimed in claim 2, wherein: the driving device is a motor or a hydraulic station.
4. A distributed removable board-based multipurpose distortion generator as claimed in claim 1, wherein: the upper section of the guide rail is I-shaped, and the lower surface of the inserting plate is provided with a T-shaped groove matched with the upper part of the guide rail, so that the inserting plate is connected with the guide rail in a sliding manner.
5. The distributed removable board-based multipurpose distortion generator of claim 4, wherein: the lower part of the guide rail is provided with a C-shaped groove, and the upper surface of the inserting plate is matched with the C-shaped groove.
6. The multipurpose distortion generator based on a distributed removable board as claimed in claim 1, wherein: and the plurality of inserting plates slide on the guide rail to form a rectangular shielding surface.
7. The multipurpose distortion generator based on a distributed removable board as claimed in claim 1, wherein: and the plurality of inserting plates slide on the guide rail to form a conical shielding surface.
8. A distributed removable board-based multipurpose distortion generator as claimed in claim 1, wherein: and the plurality of inserting plates slide on the guide rail to form a crescent-shaped shielding surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010990119.3A CN112179666B (en) | 2020-09-18 | 2020-09-18 | Multipurpose distortion generator based on distributed movable plugboard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010990119.3A CN112179666B (en) | 2020-09-18 | 2020-09-18 | Multipurpose distortion generator based on distributed movable plugboard |
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| CN112179666A CN112179666A (en) | 2021-01-05 |
| CN112179666B true CN112179666B (en) | 2022-12-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985814A (en) * | 2021-01-29 | 2021-06-18 | 中国航发沈阳发动机研究所 | Core machine pressure distortion precise control environment simulation tester |
| CN113418713B (en) * | 2021-06-21 | 2022-09-30 | 中国航发沈阳发动机研究所 | Combined distortion generator of engine |
| CN114674564B (en) * | 2022-04-18 | 2023-05-09 | 南京航空航天大学 | Spliced movable plugboard total pressure distortion generator and test method |
| CN115014792B (en) * | 2022-08-08 | 2022-10-25 | 中国空气动力研究与发展中心高速空气动力研究所 | Distortion generating device with adjustable dynamic and steady-state distortion index proportion and configuration method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100724801B1 (en) * | 2005-12-22 | 2007-06-04 | 한국항공우주연구원 | Test apparatus of intake flow in gas turbine engine |
| CN102802774A (en) * | 2010-01-21 | 2012-11-28 | 流体元件国际公司 | Static flow mixing and conditioning device and manufacturing method |
| CN106153346A (en) * | 2016-07-20 | 2016-11-23 | 南京航天航空大学 | A kind of inflatable vane type swirl flow distortion generator and method for generation |
| CN106404407A (en) * | 2016-10-20 | 2017-02-15 | 北京动力机械研究所 | Adjustable fan-shaped plate flow field distortion simulator |
| CN106523190A (en) * | 2016-11-29 | 2017-03-22 | 沈阳黎明航空发动机(集团)有限责任公司 | Inlet distortion device of aircraft engine |
| CN110044628A (en) * | 2019-03-27 | 2019-07-23 | 南京航空航天大学 | A kind of dynamic distortion generator and its method for Compressor Stability test |
| CN209820774U (en) * | 2019-06-04 | 2019-12-20 | 中国航发沈阳发动机研究所 | Distortion device |
| CN111380691A (en) * | 2020-04-10 | 2020-07-07 | 中国航发控制***研究所 | Total pressure distortion generator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2179422B1 (en) * | 2007-07-20 | 2019-04-17 | Rosemount Inc. | Pressure diagnostic for rotary equipment |
| GB201309624D0 (en) * | 2013-05-30 | 2013-07-10 | Rolls Royce Plc | Blade tip timing |
| CN103471852B (en) * | 2013-09-27 | 2015-10-28 | 北京动力机械研究所 | Flow distortion simulation device |
| CN108362499A (en) * | 2017-12-26 | 2018-08-03 | 中国航发四川燃气涡轮研究院 | A kind of detachable swirl flow distortion generator of multifunctional box |
| US10684183B2 (en) * | 2018-04-24 | 2020-06-16 | The Boeing Company | Powered total pressure measurement rake with telemetry |
| CN109932186B (en) * | 2018-12-10 | 2021-04-20 | 中国航发四川燃气涡轮研究院 | High-temperature high-pressure fan-shaped combustion chamber outlet parameter measuring mechanism |
-
2020
- 2020-09-18 CN CN202010990119.3A patent/CN112179666B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100724801B1 (en) * | 2005-12-22 | 2007-06-04 | 한국항공우주연구원 | Test apparatus of intake flow in gas turbine engine |
| CN102802774A (en) * | 2010-01-21 | 2012-11-28 | 流体元件国际公司 | Static flow mixing and conditioning device and manufacturing method |
| CN106153346A (en) * | 2016-07-20 | 2016-11-23 | 南京航天航空大学 | A kind of inflatable vane type swirl flow distortion generator and method for generation |
| CN106404407A (en) * | 2016-10-20 | 2017-02-15 | 北京动力机械研究所 | Adjustable fan-shaped plate flow field distortion simulator |
| CN106523190A (en) * | 2016-11-29 | 2017-03-22 | 沈阳黎明航空发动机(集团)有限责任公司 | Inlet distortion device of aircraft engine |
| CN110044628A (en) * | 2019-03-27 | 2019-07-23 | 南京航空航天大学 | A kind of dynamic distortion generator and its method for Compressor Stability test |
| CN209820774U (en) * | 2019-06-04 | 2019-12-20 | 中国航发沈阳发动机研究所 | Distortion device |
| CN111380691A (en) * | 2020-04-10 | 2020-07-07 | 中国航发控制***研究所 | Total pressure distortion generator |
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