CN109556865B - Wing body combined model support for air inlet channel test - Google Patents
Wing body combined model support for air inlet channel test Download PDFInfo
- Publication number
- CN109556865B CN109556865B CN201811242815.5A CN201811242815A CN109556865B CN 109556865 B CN109556865 B CN 109556865B CN 201811242815 A CN201811242815 A CN 201811242815A CN 109556865 B CN109556865 B CN 109556865B
- Authority
- CN
- China
- Prior art keywords
- support
- air
- air duct
- channel
- rigid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention provides a wing body combined model support for an air inlet channel test, which comprises a lower rigid support, a middle support, an upper support assembly, a driving device and a fixed platform, wherein the lower rigid support is fixed on the lower rigid support; when the single-inlet-channel test device is used for a single-inlet-channel test, the single-channel air duct of the upper support assembly is fixedly connected with the middle support, and the single-channel air duct, the lower rigid support and the middle support are used as supporting pieces of a model and as an air duct for ventilating the single-inlet-channel model; when being used for two air inlet channels experimental, the binary channels air duct and the middle part support fixed connection of upper portion bracket component, binary channels air duct one end and two air inlet channel test model intercommunications, the other end and two air hose intercommunications, binary channels air duct and two air hose ventilate for two air inlet channel models as the air pipe, and lower part rigid support and middle part support only use as the support piece of model. The invention not only can be used as a bearing structural member, but also can be used as an air passage.
Description
Technical Field
The invention relates to a wing body combined model supporting device for an engine air inlet channel test, and belongs to engine air inlet channel test equipment.
Background
The quality of the outlet flow field of the air inlet channel is one of the main factors influencing the working stability of the engine, and advanced engines must be matched with the air inlet channel with superior performance to form a high-performance power device.
The air inlet channel test aims at measuring static and dynamic characteristics of the engine and providing test data for air inlet channel design. The designed air inlet channel is subjected to blowing test in the wind tunnel through a scaling model, a flow adjusting device is installed at the outlet of the air inlet channel, the air flow entering the air inlet channel is changed, and meanwhile, the air inlet channel is matched with the wind tunnel and the air inlet channel model. The working stability of the assembled engine under the condition of intake distortion is verified by analyzing and evaluating the performance and the characteristics of the intake passage through engine intake passage test data.
The air inlet model is similar to the aircraft in geometry, namely a wing body combination model, the air inlet must meet the flow required by the engine in various working states, and various inclination angles of the air inlet of the engine are simulated by adjusting the sideslip angle and the attack angle of the test model. The air flow passes through the through hole in the middle of the model support by the air inlet model and is connected with the flow regulating device. At present, no wing body combined model support for air inlet channel tests is available in China, the two-way adjustment of the attack angle and the sideslip angle can be realized, and two types of single-engine and double-engine engines can be installed.
Disclosure of Invention
The invention aims to design a model supporting device for wing body combination aiming at a single/double engine air inlet channel test, which can meet the test requirements of a test model in various sideslip angle attack angle states, the model support is simultaneously used as an air passage, and an outlet is connected with a flow regulating and measuring device.
The technical scheme is as follows:
in order to realize the aim of the invention, the invention provides a wing body combined model support for an air inlet channel test, which comprises a lower rigid support 3, a middle support 2, an upper support assembly 1, a driving device 5 and a fixed platform 4;
the lower rigid supports are all fixed on the fixed platform;
the middle support is a rigid structure body, a semi-cylindrical groove is formed in the lower end face of the rigid structure body, a gas passage is formed from the semi-cylindrical groove to the upper end face of the rigid structure body, and a rotating arm extends out of the rigid structure body; the upper end surface of the middle bracket is a supporting plane;
the lower rigid support is a rigid air duct, a cylindrical outer contour structure is formed at the upper end of the air duct, and a rotating shaft is formed by extending two bottom surfaces of the cylindrical outer contour structure;
the semi-cylindrical groove of the rigid structure body covers the cylindrical outer contour structure, the groove wall surface of the semi-cylindrical groove is matched with the outer wall surface of the cylindrical outer contour structure in shape, the rotating shaft and the rigid structure body are rotatably connected, so that the middle support and the lower rigid support are in sliding fit, the middle support can rotate relative to the lower rigid support, and the air guide pipe of the lower rigid support is communicated with the air passage of the middle support;
the upper bracket component comprises a single-channel air duct and a double-channel air duct, one end of the single-channel air duct is communicated with the single-shot air duct test model, and the other end of the single-channel air duct is fixedly connected with the upper end surface of the middle bracket through a supporting plane and is communicated with an air passage of the rigid structure; one end of the double-channel air duct is communicated with the double-inlet channel test model, and the other end of the double-channel air duct is communicated with the two air hoses;
the driving device is hinged with the rotating arm of the rigid structure body and is used for driving the rotating arm to rotate by taking the rotating shaft as a rotating center;
when the single-inlet-channel test device is used for a single-inlet-channel test, the single-channel air duct of the upper support assembly is fixedly connected with the middle support, and the single-channel air duct, the lower rigid support and the middle support are used as supporting pieces of a model and as an air duct for ventilating the single-inlet-channel model;
when being used for two air inlet channels experimental, the binary channels air duct and the middle part support fixed connection of upper portion bracket component, binary channels air duct one end and two air inlet channel test model intercommunications, the other end and two air hose intercommunications, binary channels air duct and two air hose ventilate for two air inlet channel models as the air pipe, and lower part rigid support and middle part support only use as the support piece of model.
Further, the hose is a metal hose.
Further, the driving device is fixed on a lower rigid support or a fixed platform.
Furthermore, the driving device is divided into two parts, the rotating arms are divided into two parts, and each rotating arm is hinged with one driving device.
Still further, a detection device is included for detecting the flow or pressure of gas within the rigid airway or the hose.
The invention has the following effects: 1) through simple part switching, two tests of a single/double-engine air inlet channel can be realized; 2) the invention not only can be used as a bearing structural part, but also can be used as an air passage; 3) the lower rigid support and the fixed platform do not rotate relatively, so that the torsion of a measuring device arranged with the lower rigid support can be avoided.
Drawings
FIG. 1 is a cross-sectional view of an upper bracket assembly, a middle bracket and a lower rigid bracket of the present invention;
FIG. 2 is a schematic structural view of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of embodiment 2 of the present invention;
FIG. 4 is a schematic structural view of a central support;
FIG. 5 is a schematic structural view of the lower rigid support;
FIG. 6 is a schematic structural view of the upper bracket assembly, middle bracket and lower rigid bracket of the present invention;
the reference numbers of the specification are as follows: the device comprises a 1a single-channel air guide pipe, a 1b double-channel air guide pipe, a 2 middle support, a 3 lower rigid support, a 4 fixed platform, a 5 driving device, a 6 semi-cylindrical groove, a 7 cylindrical outer contour structure, an 8 air passage, a 9 rigid air guide pipe, a 10 single-shot air inlet channel test model, an 11 double-shot air inlet channel test model, a 12 hose, a 13 rotating arm and a 14 rotating shaft.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Embodiment 1, a wing body combined model support for an air inlet channel test comprises a lower rigid support 3, a middle support 2, an upper support assembly 1a, a driving device 5 and a fixed platform 4;
the lower rigid supports are all fixed on the fixed platform;
the middle support is a rigid structure body, a semi-cylindrical groove is formed in the lower end face of the rigid structure body, a gas passage is formed from the semi-cylindrical groove to the upper end face of the rigid structure body, and a rotating arm extends out of the rigid structure body; the upper end surface of the middle bracket is a supporting plane;
the lower rigid support is a rigid air duct, a cylindrical outer contour structure is formed at the upper end of the air duct, and a rotating shaft is formed by extending two bottom surfaces of the cylindrical outer contour structure;
the semi-cylindrical groove of the rigid structure body covers the cylindrical outer contour structure, the groove wall surface of the semi-cylindrical groove is matched with the outer wall surface of the cylindrical outer contour structure in shape, the rotating shaft and the rigid structure body are rotatably connected, so that the middle support and the lower rigid support are in sliding fit, the middle support can rotate relative to the lower rigid support, and the air guide pipe of the lower rigid support is communicated with the air passage of the middle support;
the upper bracket component comprises a single-channel air duct, one end of the single-channel air duct is communicated with the single-shot air inlet channel test model, and the other end of the single-channel air duct is fixedly connected with the upper end surface of the middle bracket through a supporting plane and is communicated with an air passage of the rigid structure;
the driving device is hinged with the rotating arm of the rigid structure body and is used for driving the rotating arm to rotate by taking the rotating shaft as a rotating center;
when the single-inlet-channel test device is used for a single-inlet-channel test, the single-channel air guide pipe is fixedly connected with the middle support, and the single-channel air guide pipe, the lower rigid support and the middle support are used as supporting pieces of a model and as an air pipeline for ventilating the single-inlet-channel model;
the driving device is fixed on the lower rigid support or the fixed platform; the driving device comprises two parts, the number of the rotating arms is two, and each rotating arm is hinged with one driving device; the gas flow or pressure intensity detection device comprises a detection device, wherein the detection device is used for detecting the gas flow or pressure intensity in the rigid gas guide pipe.
the lower rigid supports are all fixed on the fixed platform;
the middle support is a rigid structure body, a semi-cylindrical groove is formed in the lower end face of the rigid structure body, a gas passage is formed from the semi-cylindrical groove to the upper end face of the rigid structure body, and a rotating arm extends out of the rigid structure body; the upper end surface of the middle bracket is a supporting plane;
the lower rigid support is a rigid air duct, a cylindrical outer contour structure is formed at the upper end of the air duct, and a rotating shaft is formed by extending two bottom surfaces of the cylindrical outer contour structure;
the semi-cylindrical groove of the rigid structure body covers the cylindrical outer contour structure, the groove wall surface of the semi-cylindrical groove is matched with the outer wall surface of the cylindrical outer contour structure in shape, the rotating shaft and the rigid structure body are rotatably connected, so that the middle support and the lower rigid support are in sliding fit, the middle support can rotate relative to the lower rigid support, and the air guide pipe of the lower rigid support is communicated with the air passage of the middle support;
the upper bracket component comprises a single-channel air duct, one end of the single-channel air duct is communicated with the double-engine air inlet channel test model, and the other end of the single-channel air duct is communicated with the two air hose pipes;
the driving device is hinged with the rotating arm of the rigid structure body and is used for driving the rotating arm to rotate by taking the rotating shaft as a rotating center;
when the double-inlet-channel test device is used for a double-inlet-channel test, the double-channel air duct of the upper support assembly is fixedly connected with the middle support, one end of the double-channel air duct is communicated with the double-inlet-channel test model, the other end of the double-channel air duct is communicated with the two air hoses, the double-channel air duct and the two air hoses are used as air ducts for ventilating the double-inlet-channel test model, and the lower rigid support and the middle support are only used as support; the hose is a metal hose; the driving device is fixed on the lower rigid support or the fixed platform; the driving device comprises two parts, the number of the rotating arms is two, and each rotating arm is hinged with one driving device; the device comprises a detection device, wherein the detection device is used for detecting the gas flow or the pressure in the rigid gas guide tube or the hose.
Claims (5)
1. A wing body combined model support for an air inlet channel test comprises a lower rigid support, a middle support, an upper support assembly, a driving device and a fixed platform; the lower rigid supports are all fixed on the fixed platform;
the middle support is a rigid structure body, a semi-cylindrical groove is formed in the lower end face of the rigid structure body, a gas passage is formed from the semi-cylindrical groove to the upper end face of the rigid structure body, and a rotating arm extends out of the rigid structure body; the upper end face is a supporting plane;
the lower rigid support is a rigid air duct, a cylindrical outer contour structure is formed at the upper end of the air duct, and a rotating shaft is formed by extending two bottom surfaces of the cylindrical outer contour structure;
the semi-cylindrical groove of the rigid structure body covers the cylindrical outer contour structure, the groove wall surface of the semi-cylindrical groove is matched with the outer wall surface of the cylindrical outer contour structure in shape, the rotating shaft and the rigid structure body are rotatably connected, so that the middle support and the lower rigid support are in sliding fit, the middle support can rotate relative to the lower rigid support, and the air guide pipe of the lower rigid support is communicated with the air passage of the middle support;
the upper bracket component comprises a single-channel air duct and a double-channel air duct, one end of the single-channel air duct is communicated with the single-shot air duct test model, and the other end of the single-channel air duct is fixedly connected with the upper end surface of the middle bracket through a supporting plane and is communicated with an air passage of the rigid structure; one end of the double-channel air duct is communicated with the double-inlet channel test model, and the other end of the double-channel air duct is communicated with the two air hoses;
the driving device is hinged with the rotating arm of the rigid structure body and is used for driving the rotating arm to rotate by taking the rotating shaft as a rotating center;
when the single-inlet-channel test device is used for a single-inlet-channel test, the single-channel air duct of the upper support assembly is fixedly connected with the middle support, and the single-channel air duct, the lower rigid support and the middle support are used as supporting pieces of a model and as an air duct for ventilating the single-inlet-channel model;
when being used for two air inlet channels experimental, the binary channels air duct and the middle part support fixed connection of upper portion bracket component, binary channels air duct one end and two air inlet channel test model intercommunications, the other end and two air hose intercommunications, binary channels air duct and two air hose ventilate for two air inlet channel models as the air pipe, and lower part rigid support and middle part support only use as the support piece of model.
2. The wing body combined model support for the air inlet channel test is characterized in that: the hose is a metal hose.
3. The wing body combined model support for the air inlet channel test is characterized in that: the driving device is fixed on the lower rigid support or the fixed platform.
4. The wing body combined model support for the air inlet channel test is characterized in that: the driving device is divided into two parts, the number of the rotating arms is two, and each rotating arm is hinged with one driving device.
5. The wing body combined model support for the air inlet channel test is characterized in that: the device comprises a detection device, wherein the detection device is used for detecting the gas flow or the pressure in the rigid gas guide tube or the hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242815.5A CN109556865B (en) | 2018-10-24 | 2018-10-24 | Wing body combined model support for air inlet channel test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242815.5A CN109556865B (en) | 2018-10-24 | 2018-10-24 | Wing body combined model support for air inlet channel test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109556865A CN109556865A (en) | 2019-04-02 |
| CN109556865B true CN109556865B (en) | 2020-07-24 |
Family
ID=65865367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811242815.5A Active CN109556865B (en) | 2018-10-24 | 2018-10-24 | Wing body combined model support for air inlet channel test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109556865B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116448374B (en) * | 2023-06-15 | 2023-08-22 | 中国航空工业集团公司沈阳空气动力研究所 | Air inlet duct wind tunnel test method for simulating multiple interference |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205940991U (en) * | 2016-08-02 | 2017-02-08 | 成都飞机工业（集团）有限责任公司 | Utilize two intake ducts matching unit that set out that send out of single shot intake duct simulation |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001083039A (en) * | 1999-09-17 | 2001-03-30 | Mitsubishi Heavy Ind Ltd | Wind-tunnel-test model |
| CN102607799B (en) * | 2012-02-10 | 2014-04-23 | 南京航空航天大学 | Device for changing Mach number in supersonic velocity wind tunnel model experiment and working method |
| CN106840585B (en) * | 2016-12-29 | 2019-12-20 | 中国航天空气动力技术研究院 | Supersonic wind tunnel test section adjusting device with angle adjusting function |
| CN206772549U (en) * | 2017-02-28 | 2017-12-19 | 中国航天空气动力技术研究院 | A kind of wind-tunnel back support mechanism of achievable yaw angle consecutive variations |
| CN106959200A (en) * | 2017-03-22 | 2017-07-18 | 中国科学技术大学 | The image pickup method and filming apparatus of interior rotatable Flow Field In An Inlet |
| CN107830986B (en) * | 2017-11-29 | 2024-05-07 | 中国航空工业集团公司沈阳空气动力研究所 | Air inlet channel model flow regulating mechanism |
-
2018
- 2018-10-24 CN CN201811242815.5A patent/CN109556865B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205940991U (en) * | 2016-08-02 | 2017-02-08 | 成都飞机工业（集团）有限责任公司 | Utilize two intake ducts matching unit that set out that send out of single shot intake duct simulation |
Non-Patent Citations (1)
| Title |
|---|
| Starting characteristics and phenomenon of a supersonic wind tunnel coupled with inlet model;KaikaiYu;《Aerospace Science and Technology》;20180404;第626-637页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109556865A (en) | 2019-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208475585U (en) | A kind of steepest curved tubular visualization wind outlet unit | |
| CN109556865B (en) | Wing body combined model support for air inlet channel test | |
| CN104483093A (en) | Variable mach number transonic rigid free jet nozzle | |
| CN104132831A (en) | Adjustable constant speed sampling system | |
| CN105588702B (en) | A kind of low-speed wind tunnel model drive flight experiment dynamical system | |
| CN110926824B (en) | Device and method for measuring internal circulation wind resistance characteristic and heat dissipation capacity of generator | |
| CN103850727A (en) | Suction sealing for turbocharger | |
| CN208534819U (en) | Device for the test of fan aeroperformance | |
| CN204064748U (en) | Adjustable isokinetic sampling's system | |
| CN112903232B (en) | Flow regulating device for wind tunnel test of air data system of aircraft | |
| CN207662594U (en) | Minitype radiating fan aeroperformance tests system | |
| CN204493246U (en) | A kind of lift fan system for air cushion ship model performance curve gauging means | |
| CN116399547B (en) | Aircraft ventilation force measurement wind tunnel test device, installation method and test method thereof | |
| CN203535068U (en) | Measuring device for wind speed and wind volume based on static pressure principle | |
| CN101349283A (en) | Axial flow fan model trial apparatus of turbine generator | |
| CN208934984U (en) | A kind of exerciser exhaust system control air quantity | |
| CN114688279B (en) | Flow regulating device, pipeline system and photoetching system | |
| CN208026450U (en) | Gas driven generator blowing experiment device | |
| CN206919945U (en) | A kind of adjustable Venturi tube | |
| CN102495232A (en) | Portable air speed measuring apparatus of pipeline | |
| CN207089622U (en) | Air quantity variable end device and air-conditioning system | |
| CN105758647A (en) | Exhaust backpressure test system | |
| CN106885683B (en) | Hemispherical head twelve-hole steady-state pressure probe for measuring three-dimensional complex flow field | |
| CN204479300U (en) | A kind of exhaust back pressure test macro | |
| CN208330695U (en) | A kind of pneumatics apparatus test device for simulating applying working condition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |