CN114992670B - Stress application integrated support plate with variable blending function - Google Patents
Stress application integrated support plate with variable blending function Download PDFInfo
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- CN114992670B CN114992670B CN202210520796.8A CN202210520796A CN114992670B CN 114992670 B CN114992670 B CN 114992670B CN 202210520796 A CN202210520796 A CN 202210520796A CN 114992670 B CN114992670 B CN 114992670B
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- support plate
- adjusting piece
- ring
- driving
- blending function
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
- F23R3/286—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply having fuel-air premixing devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/26—Controlling the air flow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention provides a stress application integrated support plate with a variable blending function, which comprises the following components: the split outer ring and the split inner ring are connected through a hollow support plate; the driving adjusting piece and the driven adjusting piece are symmetrically arranged on two sides of the hollow support plate and can rotate, a driving gear is fixedly arranged at the upper end of the driving adjusting piece, a driven gear is fixedly arranged at the upper end of the driven adjusting piece, and the driving gear is in meshed connection with the driven gear; and the linkage ring assembly is connected with the driving gear and can drive the driving gear to rotate. The embodiment of the invention can improve the radial distribution of the oxygen content and improve the combustion efficiency of the afterburner.
Description
Technical Field
The invention relates to the technical field of aeroengines, in particular to a stress application integrated support plate with a variable blending function.
Background
The variable cycle engine can meet the contradictory requirements that the advanced tactical fighter has high unit thrust requirement in a high power state and low fuel consumption rate requirement in a cruising state, thereby expanding the fighter radius on the premise of ensuring the maneuverability. The afterburner of the variable cycle engine mainly adjusts the ratio of the external and internal bypass airflow through the rear bypass ejector so as to match the bypass ratio requirements of the engine under different working modes and realize the fuel economy under the comprehensive flight cycle.
The stress application integrated support plate with the turbine rear bearing frame has obvious advantages in the aspects of stealth performance, low flow resistance loss and structural compactness. When a conventional rear duct ejector arranged on the inner duct splitter ring and the outer duct splitter ring is adopted in the afterburner adopting the integrated support plate design, the pressure loss is large when the mixing of the outer duct air is deeper, the participation combustion proportion is low when the mixing is shallower, the full combustion is not facilitated, and the fuel consumption rate of the engine is increased. .
Disclosure of Invention
In view of this, the embodiments of the present disclosure provide a stress application integrated support plate with a variable blending function, so as to solve the technical problem of contradiction between the blending pressure loss and the combustion efficiency in the prior art.
The embodiment of the specification provides the following technical scheme: a force-applying integrated support plate with variable blending function, comprising: the split outer ring and the split inner ring are connected through a hollow support plate; the driving adjusting piece and the driven adjusting piece are symmetrically arranged on two sides of the hollow support plate and can rotate, a driving gear is fixedly arranged at the upper end of the driving adjusting piece, a driven gear is fixedly arranged at the upper end of the driven adjusting piece, and the driving gear is in meshed connection with the driven gear; and the linkage ring assembly is connected with the driving gear and can drive the driving gear to rotate.
Further, the linkage ring assembly includes: the linkage ring is arranged on the outer side of the split outer ring and can rotate relative to the split outer ring along the circumferential direction; one end of the rocker arm is hinged with the linkage ring through a linkage ring rotating shaft, and the other end of the rocker arm is connected with the driving gear through a driving adjusting sheet shaft.
Further, the outer side of the split outer ring is also provided with a casing, and the stress application integrated support plate with the variable blending function further comprises a driving part, wherein the driving part is arranged on the outer side of the casing and connected with the linkage ring to drive the linkage ring to rotate.
Further, cooling holes are formed in two opposite side walls of the active adjusting piece and the passive adjusting piece.
Further, the hollow support plate is provided with cooling holes.
Further, the number of the hollow support plates is 10 to 20, and a plurality of hollow support plates are uniformly distributed along the circumferential direction of the split inner ring at intervals.
Further, the initiative adjusting piece of each hollow support plate is connected with the linkage ring component.
Compared with the prior art, the beneficial effects that above-mentioned at least one technical scheme that this description embodiment adopted can reach include at least: the invention can realize the control of the flow area of the mixing channel of the integrated afterburner, thereby realizing the adjustment of the mixing proportion of low-temperature air and high-temperature fuel gas, ensuring the cooling gas for the hot end component of the afterburner and simultaneously mixing the rest of the low-temperature air of the afterburner into the inclusion channel under the bypass ratio of the outer inclusion of an inlet in a certain range, increasing the content of oxygen of the inclusion, improving the radial distribution of the oxygen of the inclusion and improving the combustion efficiency of the afterburner.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
fig. 2 is a radial view of an embodiment of the present invention.
Reference numerals in the drawings: 1. a casing; 2. a split outer ring; 3. a split inner ring; 4. a hollow support plate; 5. a linkage ring; 6. a linkage ring rotating shaft; 7. a rocker arm; 8. actively adjusting the sheet shaft; 9. a drive gear; 10. an active adjustment tab; 11. a driven gear; 12. a passive adjustment sheet; 13. an outer culvert channel; 14. an connotation channel; 15. a support plate cavity; 16. a blending gas flow path; 17. the gas stream is blended.
Detailed Description
Embodiments of the present application are described in detail below with reference to the accompanying drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 and 2, the embodiment of the invention provides a stress application integrated support plate with a variable blending function, which comprises a shunt outer ring 2, a shunt inner ring 3, an active adjusting piece 10, a passive adjusting piece 12 and a linkage ring assembly. The split outer ring 2 and the split inner ring 3 are connected through a hollow support plate 4; the driving adjusting piece 10 and the driven adjusting piece 12 are symmetrically arranged on two sides of the hollow support plate 4 and can rotate, a driving gear 9 is fixedly arranged at the upper end of the driving adjusting piece 10, a driven gear 11 is fixedly arranged at the upper end of the driven adjusting piece 12, and the driving gear 9 is in meshed connection with the driven gear 11; the linkage ring assembly is connected with the driving gear 9 and can drive the driving gear 9 to rotate.
The invention can realize the control of the flow area of the mixing channel of the integrated afterburner, thereby realizing the adjustment of the mixing proportion of low-temperature air and high-temperature fuel gas, ensuring the cooling gas for the hot end component of the afterburner and simultaneously mixing the rest of the low-temperature air into the inclusion channel, increasing the content of the inclusion oxygen, improving the radial distribution of the inclusion oxygen and improving the combustion efficiency of the afterburner under a certain range of inlet outer inclusion bypass ratio.
The linkage ring assembly comprises a linkage ring 5 and a rocker arm 7. The linkage ring 5 is arranged outside the split outer ring 2 and can rotate relative to the split outer ring 2 along the circumferential direction; one end of the rocker arm 7 is hinged with the linkage ring 5 through a linkage ring rotating shaft 6, and the other end of the rocker arm 7 is connected with a driving gear 9 through a driving adjusting sheet shaft 8.
The linkage ring 5 is provided with a plurality of linkage ring rotating shafts 6, one end of the rocker arm 7 is sleeved on the linkage ring rotating shaft 6, the other end of the rocker arm is fixedly connected with an active adjusting piece shaft 8 arranged on an active adjusting piece 10, the active adjusting piece shaft 8 and the active adjusting piece 10 are integrally designed, the active gear 9 is fixedly arranged at the top end of the active adjusting piece shaft 8, the passive gear 11 is fixedly arranged at the top end of the passive adjusting piece 12, and the active gear 9 and the passive gear are meshed with each other.
The outside of the split outer ring 2 is also provided with a casing 1, and the stress application integrated support plate with the variable blending function also comprises a driving part, wherein the driving part is arranged on the outside of the casing 1 and is connected with the linkage ring 5 to drive the linkage ring 5 to rotate.
The casing 1, the split outer ring 2 and the split inner ring 3 are all annular plates, the casing 1 and the split outer ring 2 form an culvert channel 13, and the split outer ring 2 and the split inner ring 3 form an culvert channel 14.
Preferably, the hollow support plate 4 is provided with cooling holes. Cooling holes are arranged on the active adjusting piece 10 and the passive adjusting piece 12.
It should be noted that, the hollow support plates 4 are hollow columns, the number of the hollow support plates 4 is 10 to 20, a plurality of hollow support plates 4 are uniformly distributed along the circumferential interval of the split inner ring 3, the top ends of the hollow support plates are connected with the split outer ring 2, the bottom ends of the hollow support plates are connected with the split inner ring 3, the support plate cavities 15 are communicated with the flow path of the culvert channel 13, and the active adjusting plates 10 of each hollow support plate 4 are connected with the linkage ring assembly.
The airflow proportion adjusting principle of the stress application integrated support plate with the variable blending function is as follows:
the outer surfaces of the active adjusting piece 10 and the passive adjusting piece 12 form a mixing air flow channel 16 with the molded surface of the integrated supporting plate. The part of low-temperature air flowing in the culvert channel 13 is a blending air flow 17, and the blending air flow 17 flows through the support plate cavity 15 and then enters the culvert channel 14 from the blending air flow channel 16 to participate in combustion.
When the linkage ring 5 moves spirally, the rocker arm 7 arranged on the linkage ring rotating shaft 6 is driven to rotate, the rocker arm 7 synchronously rotates together with the driving adjusting piece 10 and the driving gear 9, and when the driving gear 9 rotates, the driven gear 11 meshed with the driving gear 9 rotates in the opposite direction to drive the driven adjusting piece 12 to rotate. At this time, the flow area of the blending gas flow passage 16 is changed, and the flow rate of the blending gas flow 17 is changed.
When the low-temperature air flow in the culvert channel 13 exceeds the expected value, the linkage ring 5 performs left-handed spiral motion in the flow direction view angle to drive the active regulating piece 10 and the passive regulating piece 12 to rotate, the flow area of the blending air flow channel 16 is increased, the flow rate of the blending air flow 17 is increased, the flow loss of the afterburner is reduced, and meanwhile, the oxygen content in the culvert channel 14 is increased to assist combustion.
When the low-temperature air flow in the culvert channel 13 is lower than expected, the linkage ring 5 performs right spiral motion in the flow direction view angle to drive the active regulating piece 10 and the passive regulating piece 12 to rotate, the flow area of the blending air flow channel 16 is reduced, the flow of the blending air flow 17 is reduced, and the afterburner is ensured to be cooled.
The foregoing description of the embodiments of the invention is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention shall fall within the scope of the patent. In addition, the technical characteristics and technical scheme, technical characteristics and technical scheme can be freely combined for use.
Claims (7)
1. The utility model provides a afterburning integration extension board with variable blending function which characterized in that includes:
the split outer ring (2) and the split inner ring (3) are connected through a hollow support plate (4);
the driving adjusting piece (10) and the driven adjusting piece (12) are symmetrically arranged on two sides of the hollow support plate (4) and can rotate, a driving gear (9) is fixedly arranged at the upper end of the driving adjusting piece (10), a driven gear (11) is fixedly arranged at the upper end of the driven adjusting piece (12), and the driving gear (9) is in meshed connection with the driven gear (11);
the driving ring assembly is connected with the driving gear (9) and can drive the driving gear (9) to rotate.
2. The force integration support plate with variable blending function according to claim 1, wherein the linkage ring assembly comprises:
a linking ring (5) which is provided outside the split outer ring (2) and is rotatable in the circumferential direction with respect to the split outer ring (2);
one end of the rocker arm (7) is hinged with the linkage ring (5) through the linkage ring rotating shaft (6), and the other end of the rocker arm (7) is connected with the driving gear (9) through the driving adjusting sheet shaft (8).
3. The reinforcing integrated support plate with the variable blending function according to claim 2, wherein the outer side of the split outer ring (2) is further provided with a casing (1), and the reinforcing integrated support plate with the variable blending function further comprises a driving part which is arranged on the outer side of the casing (1) and is connected with the linkage ring (5) to drive the linkage ring (5) to rotate.
4. The reinforcing integrated support plate with the variable blending function according to claim 1, wherein cooling holes are formed in two opposite side walls of the active adjusting piece (10) and the passive adjusting piece (12).
5. The reinforcing integrated support plate with the variable blending function according to claim 1, wherein the hollow support plate (4) is provided with cooling holes.
6. The reinforcing integrated support plate with the variable blending function according to claim 1, wherein the number of the hollow support plates (4) is 10 to 20, and the plurality of the hollow support plates (4) are uniformly distributed along the circumferential direction of the split inner ring (3) at intervals.
7. The reinforcing integrated support plate with variable blending function according to claim 6, wherein the active adjusting piece (10) of each hollow support plate (4) is connected with the linkage ring assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210520796.8A CN114992670B (en) | 2022-05-12 | 2022-05-12 | Stress application integrated support plate with variable blending function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210520796.8A CN114992670B (en) | 2022-05-12 | 2022-05-12 | Stress application integrated support plate with variable blending function |
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| Publication Number | Publication Date |
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| CN114992670A CN114992670A (en) | 2022-09-02 |
| CN114992670B true CN114992670B (en) | 2023-06-13 |
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| CN202210520796.8A Active CN114992670B (en) | 2022-05-12 | 2022-05-12 | Stress application integrated support plate with variable blending function |
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