CN111188685B - Aircraft engine air inlet mechanism for preventing bird collision - Google Patents
Aircraft engine air inlet mechanism for preventing bird collision Download PDFInfo
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- CN111188685B CN111188685B CN202010080466.2A CN202010080466A CN111188685B CN 111188685 B CN111188685 B CN 111188685B CN 202010080466 A CN202010080466 A CN 202010080466A CN 111188685 B CN111188685 B CN 111188685B
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- air inlet
- bird
- plate
- fixedly welded
- inlet cylinder
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 27
- 230000002265 prevention Effects 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000002035 prolonged effect Effects 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000005341 toughened glass Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000002274 desiccant Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 241001233242 Lontra Species 0.000 claims 4
- 230000009471 action Effects 0.000 abstract description 2
- 230000010355 oscillation Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/05—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/05—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles
- F02C7/052—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles with dust-separation devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
- F02C7/05—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles
- F02C7/055—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles with intake grids, screens or guards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
- B64D2045/0095—Devices specially adapted to avoid bird strike
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses the technical field of aero-engine air inlet mechanisms, and particularly relates to an aero-engine air inlet mechanism capable of preventing bird collision. The bird-collision prevention device is characterized in that an ultrasonic bird dispeller and a laser box are arranged in the bird-collision prevention device box, so that a bird dispelling effect is realized on the bird, and the loss caused by collision of the bird and the air inlet cylinder is avoided; according to the invention, the cotton filter plate and the drying box are arranged in the air inlet cylinder, the cotton filter plate can discharge dust sucked into the air inlet cylinder from the dust removal groove under the oscillation action of the power spring, and the drying box plays a role in drying the air fed into the air inlet cylinder, so that the service life of the engine is prolonged.
Description
Technical Field
The invention relates to the technical field of air inlet mechanisms of aero-engines, in particular to an air inlet mechanism of an aero-engine for preventing bird collision.
Background
The air inlet mechanism of the aircraft engine can be used for air inlet in an aircraft, and plays an important role in air inlet of the engine, but the air inlet mechanism of the existing aircraft engine still has the following defects in the actual use process:
1. the existing air inlet device is easy to damage due to the influence of flying birds, thus causing airplane accidents and serious loss;
2. the existing air inlet mechanism of the aero-engine is often high in air inlet humidity, influences the service life of the engine and needs regular maintenance and overhaul;
3. when the existing aircraft engine air inlet mechanism collides with a bird, the bird is not easy to descend and avoid even losing consciousness due to the fact that the air inlet suction force is large, and the loss is large.
Therefore, an aircraft engine air inlet mechanism for preventing bird strike is provided to solve the defects.
Disclosure of Invention
The invention aims to provide an aircraft engine air inlet mechanism for preventing bird strikes so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an aircraft engine air inlet mechanism for preventing bird collision comprises an air inlet cylinder, wherein a protective screen plate is arranged at an opening at one side of the air inlet cylinder, an edge plate is fixedly welded at the edge of the protective screen plate, the edge plate is fixed in the inner wall of the air inlet cylinder through screws, a plurality of groups of airflow through holes penetrating left and right are arranged on the surface of the protective screen plate, a plurality of groups of connecting holes are also arranged on the surface of the protective screen plate and distributed between adjacent airflow through holes, a connecting rod is clamped in the connecting holes, a clamping head is integrally arranged at one end, close to the outer side of the air inlet cylinder, of the connecting rod, the diameter of the clamping head is larger than that of the connecting rod, a hemispherical rubber sleeve is sleeved on the clamping head, a nut is connected at one end, close to the inner side of the air inlet cylinder, the protective screen, the bird collision prevention device is characterized in that a bird collision prevention device box is arranged above the air inlet cylinder, an ultrasonic bird repeller and a laser box are arranged in the bird collision prevention device box, an air inlet fan and a cotton filter plate are arranged in the air inlet cylinder, the cotton filter plate is arranged on the side, away from the protective screen plate, of the air inlet fan, a power spring is fixedly welded on the side, away from the air inlet fan, of the cotton filter plate, the cotton filter plate is composed of a plurality of groups of V-shaped structures, a drying box is fixedly welded on one side, away from the cotton filter plate, of the power spring, the drying box is fixedly welded at the outer ring of a motor, the motor is fixedly welded on the left side face of a support plate, an airflow through groove is formed in the support plate, the support plate is fixedly welded in the inner wall of the air inlet cylinder, the dust removal device is characterized in that the shaft sleeve is sleeved on the outer ring of the motor transmission shaft, the lower end of the air inlet cylinder is provided with a dust removal groove which is communicated with the inside and the outside, and the dust removal groove is formed in the left side of the cotton filter plate.
Preferably, the upper end and the lower end of the left side surface of the air inlet cylinder are respectively fixedly welded with an upper limiting plate and a lower limiting plate, the upper limiting plate is movably attached to the left side surface above the protective screen plate, and the lower limiting plate is movably attached to the left side surface below the protective screen plate.
Preferably, the bottom of the bird collision prevention device box is fixed on the upper surface of the air inlet cylinder through a screw, a protection plate is fixedly welded at a left opening of the bird collision prevention device box, a plurality of groups of laser through holes penetrating left and right are formed in the surface of the protection plate, a plurality of groups of rubber blocks are fixedly arranged on the right side face of each laser through hole, a toughened glass plate is movably attached to the right side face of each rubber block, the toughened glass plate is arranged inside the bird collision prevention device box, buffer springs are fixedly welded at the upper end and the lower end of the right side face of each toughened glass plate, the right ends of the buffer springs are fixedly welded on the left side face of a supporting block, and the supporting block is fixedly welded on the inner wall of the bird.
Preferably, a sealing cover is fixed at the right opening of the drying box through screws, a plurality of groups of through holes which penetrate left and right are formed in the surface of the sealing cover and the surface, far away from the sealing cover, of the drying box, drying agent particles are filled in the drying box, and the diameter of each drying agent particle is larger than that of each through hole.
Preferably, the surface of the motor transmission shaft is provided with a key groove, a spline is fixedly welded in the inner wall of the shaft sleeve, and the spline is in sliding fit in the key groove.
Preferably, the left side and the right side of the shaft sleeve are both provided with limiting nuts, and the limiting nuts are connected to the motor transmission shaft through threaded fit.
Preferably, a screw rod is arranged on the limit nut and penetrates through the motor transmission shaft and the limit nut simultaneously.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:
1. the bird-collision prevention device is characterized in that an ultrasonic bird dispeller and a laser box are arranged in the bird-collision prevention device box, so that a bird dispelling effect is realized on the bird, and the loss caused by collision of the bird and the air inlet cylinder is avoided;
2. according to the invention, the air inlet cylinder is internally provided with the cotton filter plate and the drying box, the cotton filter plate can discharge dust sucked into the air inlet cylinder from the dust removal groove under the oscillation action of the power spring, and the drying box plays a role in drying the air fed into the air inlet cylinder, so that the service life of the engine is prolonged;
3. according to the invention, the protective screen plate at the opening of the air inlet cylinder is obliquely arranged, so that when the bird collides, the bird can slide down without being sucked into the air inlet cylinder to cause loss, and the protection performance is high;
4. according to the invention, the protective screen plate is connected with the hemispherical rubber sleeve through the connecting rod, so that rigid collision between the protective screen plate and the flying bird is avoided, and the protective property is strong.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention.
In the figure: the bird-preventing device comprises an air inlet cylinder 1, a bird-preventing device box 2, an ultrasonic bird dispeller 3, a laser box 4, a toughened glass plate 5, a protective plate 6, an upper limiting plate 7, a spline 8, a limiting nut 9, a key groove 10, a motor transmission shaft 11, a hemispherical rubber sleeve 12, a protective screen plate 13, an air flow through hole 14, a lower limiting plate 15, a dust removing groove 16, a cotton filter plate 17, a drying box 18, a motor 19, a sealing cover 20, drying agent particles 21, an air flow through groove 22, a supporting plate 23, a power spring 24, an air inlet fan 25, a screw 26, a shaft sleeve 27, a supporting block 28, a buffer spring 29, a laser through hole 30, a rubber block 31, a clamping head 32, a connecting rod 33, a nut 34, a.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: an aeroengine air inlet mechanism for preventing bird collision comprises an air inlet cylinder 1, a protective screen 13 is arranged at an opening at one side of the air inlet cylinder 1, an edge plate 36 is fixedly welded at the edge of the protective screen 13, the edge plate 36 is fixed in the inner wall of the air inlet cylinder 1 through screws, the surface of the protection screen plate 13 is provided with a plurality of groups of left and right through airflow through holes 14, the surface of the protection screen plate 13 is also provided with a plurality of groups of connecting holes 35, the plurality of groups of connecting holes 35 are distributed between the adjacent airflow through holes 14, connecting rods 33 are clamped in the connecting holes 35, one ends, close to the outer side of the air inlet cylinder 1, of the connecting rods 33 are integrally provided with clamping heads 32, the diameter of each clamping head 32 is larger than that of each connecting rod 33, and the clamping heads 32 are sleeved with hemispherical rubber sleeves 12;
a nut 34 is connected at one end of the connecting rod 33 close to the inner side of the air inlet cylinder 1 through thread matching, the protection screen 13 is arranged in an inclined manner, the lower end of the protection screen 13 inclines towards the inside of the air inlet cylinder 1, a bird collision prevention device box 2 is arranged above the air inlet cylinder 1, an ultrasonic bird repeller 3 and a laser box 4 are arranged in the bird collision prevention device box 2, an air inlet fan 25 and a cotton filter plate 17 are arranged in the air inlet cylinder 1, the cotton filter plate 17 is arranged on one side of the air inlet fan 25 away from the protection screen 13, a power spring 24 is fixedly welded on one side of the cotton filter plate 17 away from the air inlet fan 25, the cotton filter plate 17 is composed of a plurality of groups of V-shaped structures, a drying box 18 is fixedly welded on one side of the power spring 24 away from the cotton filter plate 17, the drying box 18 is fixedly welded at the outer ring of the motor 19, the backup pad 23 fixed welding is in the inner wall of air inlet cylinder 1, and the one side transmission that backup pad 23 was kept away from to motor 19 is connected with motor drive shaft 11, and the fixed welding in intermediate position of admitting air fan 25 has axle sleeve 27, and axle sleeve 27 cover is established in motor drive shaft 11's outer lane department, and the lower extreme of air inlet cylinder 1 is equipped with the dust removal groove 16 of inside and outside intercommunication, and dust removal groove 16 sets up the left side at cotton filter 17.
The upper end and the lower end of the left side surface of the air inlet cylinder 1 are respectively fixedly welded with an upper limiting plate 7 and a lower limiting plate 15, the upper limiting plate 7 is movably attached to the left side surface above the protective screen plate 13, and the lower limiting plate 15 is movably attached to the left side surface below the protective screen plate 13, so that the protective screen plate 13 is prevented from falling off.
The bottom of the bird collision prevention device box 2 is fixed on the upper surface of the air inlet cylinder 1 through screws, a protection plate 6 is fixedly welded at a left opening of the bird collision prevention device box 2, a plurality of groups of laser through holes 30 which penetrate left and right are arranged on the surface of the protection plate 6, a plurality of groups of rubber blocks 31 are fixedly arranged on the right side of the laser through holes 30, a toughened glass plate 5 is movably attached to the right side of each rubber block 31, the toughened glass plate 5 is prevented from being blown into the bird collision prevention device box 2, the protection performance is high, the toughened glass plate 5 is arranged in the bird collision prevention device box 2, buffer springs 29 are fixedly welded at the upper end and the lower end of the right side of the toughened glass plate 5, the right ends of the buffer springs 29 are fixedly welded on the left side of support blocks 28, the support blocks 28 are fixedly welded on the inner wall of the bird collision prevention device box 2, and the buffer springs 29 prevent the toughened glass plate 5 from.
A sealing cover 20 is fixed at the right opening of the drying box 18 through screws, a plurality of groups of through holes which penetrate left and right are formed in the surface of the sealing cover 20 and the surface, far away from the sealing cover 20, of the drying box 18, drying particles 21 are filled in the drying box 18, and the diameter of each drying particle 21 is larger than that of each through hole, so that the drying particles 21 are prevented from leaking.
The surface of the motor transmission shaft 11 is provided with a key groove 10, the inner wall of the shaft sleeve 27 is fixedly welded with a spline 8, the spline 8 is in sliding fit in the key groove 10, and the shaft sleeve 27 and the motor transmission shaft 11 are convenient to drive and connect.
All be equipped with stop nut 9 in the left and right sides of axle sleeve 27, stop nut 9 passes through screw-thread fit to be connected on motor drive shaft 11, is equipped with screw rod 26 on the stop nut 9, and motor drive shaft 11 and stop nut 9 setting are run through simultaneously to screw rod 26, and after stop nut 9 was spacing with axle sleeve 27, stop nut 9 rethread screw rod 26 was fixed, dual fixed, the structure is firm.
The working principle is as follows: firstly, when the motor 19 in the air inlet cylinder 1 drives the air inlet fan 25 to work, air is sucked from the air flow through hole 14, the air is filtered by the cotton filter plate 17, the power spring 24 correspondingly vibrates due to the blowing of wind power to drive the cotton filter plate 17 to vibrate, the filtered dust and impurities are discharged from the dust removing groove 16, then the air flow is dehumidified by the desiccant particles 21 in the drying box 18 and then is discharged from the air flow through groove 22 to be discharged into the engine for use, the air entering the engine is kept dry, and the service life of the engine is prolonged.
When the air inlet cylinder 1 flies in the air along with an airplane, the ultrasonic bird repeller 3 and the laser box 4 work, red laser is emitted from the laser box 4 and is emitted from the laser through hole 30, the laser bird repeller has a warning effect on flying birds to repel the birds, the ultrasonic bird repeller 3 plays sound or noise imitating natural enemies of the birds to repel the birds, and the laser bird repeller has a good effect of preventing the birds from colliding;
according to the invention, the protective screen 13 at the opening of the air inlet cylinder 1 is obliquely arranged, so that the bird can slide down even when colliding with the bird, the bird cannot be sucked into the air inlet cylinder 1 to cause loss, and the protective property is high.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides an aeroengine air intake mechanism that prevents bird and hit, includes air inlet cylinder (1), its characterized in that: the utility model discloses an air inlet cylinder, including a suction cylinder (1), the one side opening of suction cylinder (1) is equipped with protection otter board (13), the fixed welding in edge of protection otter board (13) has edge board (36), edge board (36) pass through the fix with screw in the inner wall of suction cylinder (1), the surface of protection otter board (13) is equipped with about a plurality of groups through-flow hole (14) that run through, the surface of protection otter board (13) still is equipped with a plurality of groups connecting hole (35), and a plurality of groups connecting hole (35) distribute between adjacent through-flow hole (14), the block has connecting rod (33) in connecting hole (35), the one end that connecting rod (33) is close to the suction cylinder (1) outside is integrative to be equipped with dop (32), the diameter of dop (32) is greater than the diameter of connecting rod (33), and the cover is equipped with hemisphere rubber sleeve (12) on dop (32), connecting rod (, the bird-preventing device is characterized in that the protective screen (13) is obliquely arranged, the lower end of the protective screen (13) is inclined towards the inside of the air inlet cylinder (1), the bird-preventing device box (2) is arranged above the air inlet cylinder (1), the ultrasonic bird-driving device (3) and the laser box (4) are arranged in the bird-preventing device box (2), the air inlet cylinder (1) is internally provided with an air inlet fan (25) and a cotton filter plate (17), the cotton filter plate (17) is arranged on one side of the air inlet fan (25) far away from the protective screen (13), one side of the cotton filter plate (17) far away from the air inlet fan (25) is fixedly welded with a power spring (24), the cotton filter plate (17) is composed of a plurality of groups of V-shaped structures, one side of the power spring (24) far away from the cotton filter plate (17) is fixedly welded with a drying box (18), and the drying box (18) is fixedly welded at the outer, the motor (19) is fixedly welded on the left side face of the supporting plate (23), an airflow through groove (22) is formed in the supporting plate (23), the supporting plate (23) is fixedly welded in the inner wall of the air inlet cylinder (1), one face, far away from the supporting plate (23), of the motor (19) is in transmission connection with a motor transmission shaft (11), a shaft sleeve (27) is fixedly welded in the middle of the air inlet fan (25), the shaft sleeve (27) is sleeved on the outer ring of the motor transmission shaft (11), the lower end of the air inlet cylinder (1) is provided with a dust removal groove (16) which is communicated with the inside and the outside, and the dust removal groove (16) is formed in the left side of the cotton filter plate (;
the upper end and the lower end of the left side surface of the air inlet cylinder (1) are respectively fixedly welded with an upper limiting plate (7) and a lower limiting plate (15), the upper limiting plate (7) is movably attached to the left side surface above the protective screen plate (13), and the lower limiting plate (15) is movably attached to the left side surface below the protective screen plate (13);
the bird collision prevention device comprises an air inlet cylinder (1), a protection plate (6) is fixedly welded at the opening of the left side of the bird collision prevention device box (2), a plurality of groups of laser through holes (30) which penetrate left and right are formed in the surface of the protection plate (6), a plurality of groups of rubber blocks (31) are fixedly arranged on the right side of the laser through holes (30), a tempered glass plate (5) is movably attached to the right side of each rubber block (31), the tempered glass plate (5) is arranged inside the bird collision prevention device box (2), buffer springs (29) are fixedly welded at the upper end and the lower end of the right side of the tempered glass plate (5), the right ends of the buffer springs (29) are fixedly welded on the left side of support blocks (28), and the support blocks (28) are fixedly welded on the inner wall of the bird collision prevention device box (2);
a sealing cover (20) is fixed at the right opening of the drying box (18) through screws, a plurality of groups of through holes which penetrate through from left to right are formed in the surface of the sealing cover (20) and the surface, far away from the sealing cover (20), of the drying box (18), drying agent particles (21) are filled in the drying box (18), and the diameter of each drying agent particle (21) is larger than that of each through hole;
a key groove (10) is formed in the surface of the motor transmission shaft (11), a spline (8) is fixedly welded in the inner wall of the shaft sleeve (27), and the spline (8) is in sliding fit in the key groove (10);
the left side and the right side of the shaft sleeve (27) are respectively provided with a limiting nut (9), and the limiting nuts (9) are connected to the motor transmission shaft (11) in a threaded fit manner;
a screw rod (26) is arranged on the limit nut (9), and the screw rod (26) penetrates through the motor transmission shaft (11) and the limit nut (9) simultaneously; after the shaft sleeve (27) is limited by the limiting nut (9), the limiting nut (9) is fixed through the screw (26) and is doubly fixed;
when the air inlet fan is used, firstly, when the air inlet fan (25) is driven to work by the motor (19) in the air inlet cylinder (1), air is sucked from the air flow through hole (14), the air is filtered by the cotton filter plate (17), and due to the blowing of wind power, the power spring (24) can correspondingly vibrate to drive the cotton filter plate (17) to vibrate, so that the filtered dust and impurities are discharged from the dust removal groove (16), and then the air flow is dehumidified by the desiccant particles (21) in the drying box (18) and then discharged from the air flow through groove (22) and discharged into the engine for use, so that the air entering the engine is kept dry, and the service life of the engine is prolonged;
when an air inlet cylinder (1) flies in the air along with an airplane, the ultrasonic bird repeller (3) and the laser box (4) work, red laser is emitted from the laser box (4) and is emitted from the laser through hole (30), the warning effect is achieved on flying birds, the birds are repelled, the ultrasonic bird repeller (3) plays the sound or noise imitating natural enemies of the birds, the birds are repelled, and the effect of preventing the birds from colliding is good.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080466.2A CN111188685B (en) | 2020-02-05 | 2020-02-05 | Aircraft engine air inlet mechanism for preventing bird collision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080466.2A CN111188685B (en) | 2020-02-05 | 2020-02-05 | Aircraft engine air inlet mechanism for preventing bird collision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111188685A CN111188685A (en) | 2020-05-22 |
| CN111188685B true CN111188685B (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010080466.2A Active CN111188685B (en) | 2020-02-05 | 2020-02-05 | Aircraft engine air inlet mechanism for preventing bird collision |
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| CN (1) | CN111188685B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115104594B (en) * | 2021-03-17 | 2024-01-16 | 中国航发商用航空发动机有限责任公司 | Turbofan engine and aircraft |
| CN114856829B (en) * | 2022-05-24 | 2023-02-24 | 海安宏宇合金材料有限公司 | Aluminum alloy material ignition device for aircraft engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11301595A (en) * | 1998-04-22 | 1999-11-02 | Kazuo Ariyoshi | Cover protector of jet engine for airplane |
| JP2000095195A (en) * | 1998-07-24 | 2000-04-04 | Kazuo Ariyoshi | Device to prevent bird strike for airplane |
| CN201224501Y (en) * | 2008-05-13 | 2009-04-22 | 中国计量学院 | Airplane with bird scarer |
| CN201284598Y (en) * | 2008-11-06 | 2009-08-05 | 王智安 | Decorative glass door |
| CN109090093A (en) * | 2018-07-24 | 2018-12-28 | 南京林航新材料科技有限公司 | A kind of military airfield bird pest early warning prevention and treatment unified platform |
| CN209724746U (en) * | 2019-01-07 | 2019-12-03 | 深圳市凯润机电有限公司 | A kind of energy-saving radiator fan equipment |
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Effective date of registration: 20201118 Address after: Room 1130, 1 / F, building 7, No. 135 Yanxing Road, Yangyi street, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Wenzhou gaoweitong Industrial Design Co., Ltd Address before: 312500 Building 8, Hou Xi Village Industrial Zone, Qixing street, Xinchang, Shaoxing, Zhejiang Applicant before: XINCHANG COUNTY QIXING STREET YINGJIE MACHINERY PLANT |
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Effective date of registration: 20211206 Address after: 314500 room 431, 4th floor, building 5, No. 299, Hangfu Road, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Jiaxing shunkailu Technology Co.,Ltd. Address before: 325000 room 1130, 1st floor, building 7, No. 135, Yanxing Road, Yangyi street, Lucheng District, Wenzhou City, Zhejiang Province Patentee before: Wenzhou gaoweitong Industrial Design Co., Ltd |