CN109878699A - Across the medium aircraft propeller of one kind stretches and head reclining device - Google Patents
Across the medium aircraft propeller of one kind stretches and head reclining device Download PDFInfo
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- CN109878699A CN109878699A CN201910158582.9A CN201910158582A CN109878699A CN 109878699 A CN109878699 A CN 109878699A CN 201910158582 A CN201910158582 A CN 201910158582A CN 109878699 A CN109878699 A CN 109878699A
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Abstract
Across the medium aircraft propeller of one kind stretches and across the medium vehicle technology field of head reclining device category, and III tooth engagement of gear of the rack gear I of head telescoping mechanism and telescoping drive mechanism in the present invention, guide rail I and head storehouse shell are affixed；Hollow shaft sleeve is in head telescoping mechanism in the middle part of telescopic shaft, and rack gear II and IV tooth engagement of gear, guide rail II and head storehouse shell are affixed；I pedestal of motor is fixed in support plate；II pedestal of motor is fixed in head storehouse shell in telescoping drive mechanism, and rolling bearing units II, rolling bearing units III are affixed with bearing mounting plate I, bearing mounting plate II respectively；Tiliting axis I and II inner end of tiliting axis and head storehouse shell are affixed, and rolling bearing units IV, V pedestal of rolling bearing units and fuselage cover are affixed, and III pedestal of motor is fixed in fuselage cover；The present invention is able to achieve propeller and stretches out and shrink, and guarantee flying instrument is able to achieve aircraft Quick water exit for good leakproofness and lesser underwater running resistance, substantially shortens aircraft water discharging time.
Description
Technical field
The invention belongs to across medium vehicle technology fields, and in particular to across the medium aircraft propeller of one kind stretches and head
Reclining device.
Background technique
Across medium aircraft is by the new concept motion platform of the multi-specialized Integrated design such as aircraft, submarine navigation device, both
It can fly in the sky, the multifunctional all New Equipments that can also move under water under water.The operating mode of the aircraft can be divided into sky
Middle offline mode enters aqueous mode, moves under water mode and water exit mode under water, can according to mission requirements between various operating modes into
Row conversion.Across medium unmanned vehicle can with the matching equipments such as submarine, surface ship, for execute sky over strait information gathering,
Investigate the tasks such as monitoring, communication relay, electronic countermeasure.
Design difficulty across medium aircraft is concentrated mainly on into aqueous mode, moves under water three kinds of mode and water exit mode etc. under water
Operating mode, when aircraft from airflight mode under water move under water mode transition when, in the sky in offline mode provide power,
Propeller positioned at head position can generate impact force to the water surface, will increase the resistance to move under water under water and will affect aircraft in water
Under leakproofness, currently, general reduce water-entry impulsive force and underwater move under water resistance, but this using propeller folded deformation in the form of
Kind method can not be fully solved influence of the propeller to ambient water.Across medium aircraft will receive week during water outlet
The problem of enclosing the drag effect of water flow and then water outlet caused to be short of power, currently, the design of this aspect is still a technical problem.
Summary of the invention
The purpose of the present invention is in view of the drawbacks of the prior art, providing, a kind of across medium aircraft propeller is flexible and head
The stretching and contraction of propeller may be implemented by the head telescoping mechanism and propeller telescoping mechanism of the device in reclining device,
When aircraft airflight, propeller stretches out head storehouse and provides the power of flight, when moving under water under aircraft water, propeller
It is contracted to inside head storehouse, to ensure that flying instrument for good leakproofness and lesser underwater running resistance.Pass through machine
Verting for aircraft head storehouse may be implemented in head inclining rotary mechanism, in across the medium water outlet of aircraft, passes through inclining for control head storehouse
Rake angle can guarantee that propeller provides optimal hydrodynamic force out for aircraft, to realize aircraft Quick water exit, significantly
Shorten the water discharging time of aircraft.
The present invention by head telescoping mechanism A, propeller telescoping mechanism B, propeller driving mechanism C, telescoping drive mechanism D,
Head inclining rotary mechanism E composition, wherein the rack gear I 39 of 7 right part of telescopic shaft and tooth in telescoping drive mechanism D in head telescoping mechanism A
Take turns III 21 gear teeth meshings；The guide rail I 8 of head telescoping mechanism A by mounting hole II 42 and III d of stud group it is affixed, III d of stud group and
Head storehouse shell 37 welds；The hollow shaft 10 of propeller telescoping mechanism B is placed in head telescoping mechanism A on telescopic shaft 7, after being located at
Between lid 6 and rack gear I 39；The rack gear II 14 and IV 24 gear teeth meshing of telescoping drive mechanism D middle gear of propeller telescoping mechanism B；
The guide rail II 15 of propeller telescoping mechanism B is affixed by mounting hole III 44 and V f of stud group, V f of stud group and head storehouse shell
37 welding；The centre bore of propeller driving mechanism C middle gear I 16 is placed on the nearly right end of hollow shaft 10 of propeller telescoping mechanism B
It is affixed through screw at threaded hole 11；The pedestal of the motor I 18 of propeller driving mechanism C is fixed in propeller telescoping mechanism through bolt
In B on the mounting hole V 46 of support plate 13；The pedestal of motor II 26 and IV e of stud group are affixed in telescoping drive mechanism D, stud group
IV e and head storehouse shell 37 weld, and the pedestal of rolling bearing units II 19 is affixed by I c of bolt group and I i of bearing mounting plate, bearing peace
I i of loading board is affixed by III d of stud group and guide rail I 8；The pedestal of rolling bearing units III 25 passes through II g of bolt group and bearing mounting plate II
J is affixed, and II j of bearing mounting plate is affixed by V f of stud group and guide rail II 15；I 29 inner end of tiliting axis is solid in head inclining rotary mechanism E
It is connected to the right side central of head storehouse shell 37, II 34 inner end of tiliting axis is fixed in the left side central portion of head storehouse shell 37, tiliting axis I
29 is coaxial with tiliting axis II 34；The pedestal of rolling bearing units IV 31 and I a of stud group are affixed, and I a of stud group and fuselage cover 36 weld,
The pedestal of rolling bearing units V 33 and VI h of stud group are affixed, and VI h of stud group and fuselage cover 36 weld；The pedestal of motor III 32 with
II b of stud group is affixed, and II b of stud group and fuselage cover 36 weld.
The head telescoping mechanism A is by head 1, baffle 2, spring 3, installation set 4, sealing ring 5, rear cover 6, telescopic shaft 7
With guide rail I 8 form, wherein 7 left end of telescopic shaft be equipped with external screw thread 38, right part section be it is rectangular, above right part be equipped with rack gear
I 39, rack gear I 39 is installed in the guide groove I 41 of guide rail I 8, is slidably connected with guide groove I 41；7 left part of telescopic shaft passes through sealing
Circle 5, rear cover 6 and spring 3；Baffle 2 is threadedly coupled with 7 left end of telescopic shaft；Head 1 is hollow cone, and 4 inner ring of installation set is equipped with
Internal screw thread, installation set 4 are fixed in 1 right end of head through outer ring；6 outer ring of rear cover is equipped with external screw thread, rear cover 6 and 4 screw thread of installation set
Connection, rear cover 6 is placed on the nearly left end of telescopic shaft 7, and is slidably connected with telescopic shaft 7；5 left side of sealing ring and 1 right side of head, installation
Cover 4 right sides bonding.
The propeller telescoping mechanism B is by propeller blade group 9, hollow shaft 10, rolling bearing units I 12, support plate 13, tooth
Item II 14 and guide rail II 15 form, wherein propeller blade group 9 is made of four propeller blades, 10 left end circumference of hollow shaft
Four pairs of vertical plates with holes of uniformly distributed vertical plate group 49 on face；The nearly right end periphery of hollow shaft 10 is equipped with threaded hole 11；In support plate 13
Portion is equipped with location hole 48 and mounting hole IV 45；13 lower part of support plate is equipped with rectangular opening 47 and mounting hole V 46；10 right end of hollow shaft
It is connect with I 12 inner ring interference of rolling bearing units, the bearing block of rolling bearing units I 12 is fixed in the mounting hole IV 45 of support plate 13 through bolt
On；II 14 left end of rack gear is fixed in through bolt on V 46 downside of mounting hole, two holes of support plate 13, and rack gear II 14, which is installed on, leads
In the guide groove II 43 of rail II 15, it is slidably connected with guide groove II 43；Four propeller blades, which are sold, is fixed in four pairs of vertical plate group 49
On vertical plate with holes.
The propeller driving mechanism C is made of gear I 16, gear II 17, motor I 18, wherein gear II 17 is affixed
In on the output shaft of motor I 18, gear II 17 intermeshes with gear I 16.
The telescoping drive mechanism D by rolling bearing units II 19, gear shaft 20, gear III 21, worm gear I 22, worm screw I 23,
Gear IV 24, rolling bearing units III 25, motor II 26 form, wherein 20 upper and lower ends of gear shaft are circle, and middle part is positive six sides
Shape；Gear III 21, gear IV 24, worm gear I 22 inner hole be regular hexagon；Rolling bearing units II 19, gear III 21, worm gear I 22,
Sequence arranges from top to bottom for gear IV 24 and rolling bearing units III 25, middle gear III 21 through screw be fixed in gear shaft 20 it is close on
End, worm gear I 22 are fixed in 20 middle part of gear shaft through screw, and gear IV 24 is fixed in the nearly lower end of gear shaft 20, axis of usheing to seat through screw
It holds II 19 to connect through inner ring with 20 upper end interference of gear shaft, rolling bearing units III 25 are connect through inner ring with 20 lower end interference of gear shaft；
I 23 right end of worm screw and II 26 output shaft of motor are affixed, and I 23 left part of worm screw and worm gear I 22 form Worm Wheel System.
The head inclining rotary mechanism E is by worm gear II 27, worm screw II 28, tiliting axis I 29, outer circlip I 30, rolling bearing units IV
31, motor III 32, rolling bearing units V 33, tiliting axis II 34 and outer circlip II 35 form, wherein I 29 upper end of tiliting axis is positive six
Side shape, middle part and lower end are ladder circular shaft, and II 27 inner hole of worm gear is regular hexagon, are fixed in I 29 upper end of tiliting axis, band through screw
The inner ring of seat bearing IV 31 is connect with I 29 middle part interference of tiliting axis, and IV 31 two sides of rolling bearing units are limited by the shaft shoulder and outer circlip I 30
Position；Tiliting axis II 34 is multi-diameter shaft, and II 34 lower end of tiliting axis is connect with the inner ring interference of rolling bearing units V 33, rolling bearing units V 33
Two sides are limited by the shaft shoulder and outer circlip II 35；II 28 right end of worm screw and III 32 output shaft of motor are affixed, worm screw II 28 and worm gear II
27 engaged transmissions.
The course of work of the invention is as follows: when propeller blade group 9 is protruding, motor II 26 starts to turn counterclockwise
Dynamic, power passes to worm screw I 23 by II 26 output shaft of motor, and worm screw I 23 pushes worm gear I 22 to rotate clockwise, and worm gear I 22 drives
Entire gear shaft 20 rotates clockwise, and gear III 21, the gear IV 24 being mounted on gear shaft 20 start to rotate clockwise, gear
III 21 is slowly protruding by driving telescopic shaft 7 with the rack pinion of rack gear I 39, to drive head 1 slowly outside
It stretches out, gear IV 24 with the rack pinion of rack gear II 14 by driving propeller blade group 9 and propeller driving mechanism C slow
Slow protruding, after reaching specified outreach, motor II 26 stops operating, and propeller, which stretches out process, to be terminated, due to machine
First 1 is different with the outreach of propeller blade group 9, and therefore, the reference diameter of gear III 21 and gear IV 24 herein needs
It to be determined according to actual outreach, after stretching process, motor I 18 starts to rotate, and power is passed by gear II 17
It passs gear I 16 and then hollow shaft 10 is driven to rotate, propeller blade group 9 starts to rotate with hollow shaft 10.
When propeller blade group 9 is to contract, motor I 18 stops rotating, and motor II 26 starts to rotate clockwise, power
Worm screw I 23 is passed to by II 26 output shaft of motor, worm screw I 23 pushes worm gear I 22 to rotate counterclockwise, and worm gear I 22 drives entire tooth
Wheel shaft 20 rotates counterclockwise, and gear III 21, the gear IV 24 being mounted on gear shaft 20 start rotation counterclockwise, and gear III 21 is logical
It crosses and drives telescopic shaft 7 slowly to head storehouse contract with the rack pinion of rack gear I 39, to drive head 1 slowly inside
It shrinks, gear IV 24 with the rack pinion of rack gear II 14 by driving propeller blade group 9 and propeller driving mechanism C slow
Slowly to head storehouse contract, when the sealing ring 5 of 1 right end face of head touches head storehouse shell 37, telescopic shaft 7 continues inwardly
It shrinks, spring 3 is made to generate certain deformation, so that the entire head storehouse of better seal, motor II 26 stop operating, propeller is received
Compression process terminates.
In across the medium water outlet of aircraft, required according to power output, by controlling the direction of rotation of motor III 32,
It realizes head storehouse counterclockwise or rotates clockwise, when motor III 32 stops operating, head storehouse can keep tilt angle at this time
Degree.
The beneficial effects of the present invention are:
1. realizing the stretching and contraction of propeller using propeller telescoping mechanism, preferably solves aircraft water dive
Propeller there are problems that influencing on ambient water when row, ensure that flying instrument for good leakproofness and lesser underwater fortune
Row resistance.
2. realizing the change of head storehouse tilt angle using head inclining rotary mechanism, preferably solves aircraft and go out hydrodynamic(al)
Hypodynamic problem realizes aircraft Quick water exit, the water discharging time of aircraft is greatly shortened.
Detailed description of the invention
Fig. 1 stretches for across medium aircraft propeller and head reclining device top view
Fig. 2 stretches for across medium aircraft propeller and head reclining device main view
Fig. 3 is the structural schematic diagram of head telescoping mechanism A
Fig. 4 is the structural schematic diagram of propeller telescoping mechanism B
Fig. 5 is the structural schematic diagram of propeller driving mechanism C
Fig. 6 is the structural schematic diagram of telescoping drive mechanism D
Fig. 7 is the structural schematic diagram of head inclining rotary mechanism E
Fig. 8 is main view, top view, the left view of telescopic shaft 7
Fig. 9 is main view, top view, the left view of rack gear II 14
Figure 10 is main view, top view, the left view of guide rail I 8
Figure 11 is main view, top view, the left view of guide rail II 15
Figure 12 is main view, the left view of gear shaft 20
Figure 13 is the left view of support plate 13
Figure 14 is the main view of hollow shaft 10
Figure 15 is the A-A cross-sectional view of hollow shaft 10
Structure diagram when Figure 16 is across medium aircraft airflight
Figure 17 is structure diagram when moving under water under across medium aircraft water
Wherein: A. head telescoping mechanism B. propeller telescoping mechanism C. propeller driving mechanism D. telescoping drive mechanism
E. 1. head of head inclining rotary mechanism, 2. baffle, 3. spring, 4. installation set, 5. sealing ring, 6. rear cover, 7. telescopic shaft, 8. guide rail I
9. 14. rack gear of propeller blade group 10. hollow shaft, 11. threaded hole, 12. rolling bearing units, I 13. support plate, II 15. guide rail II
16. III 22. worm gear of gear I 17. gear, II 18. motor, I 19. rolling bearing units, II 20. gear shaft, 21. gear, I 23. worm screw
The outer circlip I of I 24. gear, IV 25. rolling bearing units, III 26. motor, II 27. worm gear, II 28. worm screw, II 29. tiliting axis I 30.
31. outer II 36. fuselage cover 37. of circlip of IV 32. motor of rolling bearing units, III 33. rolling bearing units, V 34. tiliting axis II 35.
II 43. guide groove II 44. of head storehouse I 42. mounting hole of shell 38. external screw thread, 39. rack gear, I 40. mounting hole, I 41. guide groove peace
Fill III 45. mounting hole of hole, IV 46. mounting hole, V 47. rectangular opening, 48. location hole, 49. vertical plate group a. stud group, I b. stud
Group II c. bolt group, I d. stud group, III e. stud group, IV f. stud group, V g. bolt group, II h. stud group, VI i. bearing peace
I j. bearing mounting plate II of loading board
Specific embodiment
The description present invention with reference to the accompanying drawing.
As shown in Fig. 1 to Fig. 8, Figure 10, Figure 11, Figure 13, the present invention by head telescoping mechanism A, propeller telescoping mechanism B,
Propeller driving mechanism C, telescoping drive mechanism D, head inclining rotary mechanism E composition, wherein telescopic shaft 7 is right in head telescoping mechanism A
The rack gear I 39 and III 21 gear teeth meshing of telescoping drive mechanism D middle gear in portion；The guide rail I 8 of head telescoping mechanism A passes through mounting hole
II 42 is affixed with III d of stud group, and III d of stud group and head storehouse shell 37 weld；The hollow shaft 10 of propeller telescoping mechanism B is placed on
In head telescoping mechanism A on telescopic shaft 7, between rear cover 6 and rack gear I 39；The rack gear II 14 of propeller telescoping mechanism B with stretch
IV 24 gear teeth meshing of contracting driving mechanism D middle gear；The guide rail II 15 of propeller telescoping mechanism B passes through mounting hole III 44 and stud group
V f is affixed, and V f of stud group and head storehouse shell 37 weld；The centre bore of propeller driving mechanism C middle gear I 16 is placed on spiral
It is affixed through screw at the threaded hole 11 of the nearly right end of hollow shaft 10 of paddle telescoping mechanism B；The motor I 18 of propeller driving mechanism C
Pedestal is fixed in propeller telescoping mechanism B on the mounting hole V 46 of support plate 13 through bolt；Motor II in telescoping drive mechanism D
26 pedestal and IV e of stud group are affixed, and IV e of stud group and head storehouse shell 37 weld, and the pedestal of rolling bearing units II 19 passes through spiral shell
I c of bolt group and I i of bearing mounting plate are affixed, and I i of bearing mounting plate is affixed by III d of stud group and guide rail I 8；Rolling bearing units III 25
Pedestal is affixed by II g of bolt group and II j of bearing mounting plate, and II j of bearing mounting plate is solid by V f of stud group and guide rail II 15
It connects；I 29 inner end of tiliting axis is fixed in the right side central of head storehouse shell 37 in head inclining rotary mechanism E, and II 34 inner end of tiliting axis is solid
It is connected to the left side central portion of head storehouse shell 37, tiliting axis I 29 and tiliting axis II 34 are coaxial；The pedestal and stud of rolling bearing units IV 31
I a of group is affixed, and I a of stud group and fuselage cover 36 weld, and the pedestal and VI h of stud group of rolling bearing units V 33 are affixed, VI h of stud group
It is welded with fuselage cover 36；The pedestal of motor III 32 and II b of stud group are affixed, and II b of stud group and fuselage cover 36 weld.
As shown in Fig. 3, Fig. 8, Figure 10, the head telescoping mechanism A is by head 1, baffle 2, spring 3, installation set 4, close
Seal 5, rear cover 6, telescopic shaft 7 and guide rail I 8 form, wherein 7 left end of telescopic shaft is equipped with external screw thread 38, and right part section is side
Shape, rack gear I 39 is equipped with above right part, and rack gear I 39 is installed in the guide groove I 41 of guide rail I 8, is slidably connected with guide groove I 41；It stretches
7 left part of contracting axis passes through sealing ring 5, rear cover 6 and spring 3；Baffle 2 is threadedly coupled with 7 left end of telescopic shaft；Head 1 is hollow
Cone, 4 inner ring of installation set are equipped with internal screw thread, and installation set 4 is fixed in 1 right end of head through outer ring；6 outer ring of rear cover is equipped with outer spiral shell
Line, rear cover 6 are threadedly coupled with installation set 4, and rear cover 6 is placed on the nearly left end of telescopic shaft 7, and is slidably connected with telescopic shaft 7；Sealing ring 5
The left side is Nian Jie with 1 right side of head, 4 right side of installation set.
As shown in Fig. 4, Fig. 9, Figure 11, Figure 13 to Figure 15, the propeller telescoping mechanism B is by propeller blade group 9, sky
Mandrel 10, rolling bearing units I 12, support plate 13, rack gear II 14 and guide rail II 15 form, wherein propeller blade group 9 is by four spiral shells
Paddle blade composition is revolved, four pairs of vertical plates with holes of uniformly distributed vertical plate group 49 on 10 left end periphery of hollow shaft；The nearly right end of hollow shaft 10 circle
Circumferential surface is equipped with threaded hole 11；13 top of support plate is equipped with location hole 48 and mounting hole IV 45；13 lower part of support plate is equipped with rectangle
Hole 47 and mounting hole V 46；10 right end of hollow shaft is connect with I 12 inner ring interference of rolling bearing units, the bearing block warp of rolling bearing units I 12
Bolt is fixed on the mounting hole IV 45 of support plate 13；II 14 left end of rack gear is fixed in the mounting hole V in support plate 13 through bolt
On 46 two holes of downsides, rack gear II 14 is installed in the guide groove II 43 of guide rail II 15, is slidably connected with guide groove II 43；Four propellers
Blade is sold on four pairs of vertical plates with holes for being fixed in vertical plate group 49.
As shown in figure 5, the propeller driving mechanism C is made of gear I 16, gear II 17, motor I 18, wherein tooth
It takes turns II 17 to be fixed on the output shaft of motor I 18, gear II 17 intermeshes with gear I 16.
As shown in Fig. 6, Figure 12, the telescoping drive mechanism D is by rolling bearing units II 19, gear shaft 20, gear III 21, snail
I 22, worm screw I 23, gear IV 24, rolling bearing units III 25, motor II 26 to be taken turns to form, wherein 20 upper and lower ends of gear shaft are circle,
Middle part is regular hexagon；Gear III 21, gear IV 24, worm gear I 22 inner hole be regular hexagon；Rolling bearing units II 19, gear
III 21, sequence arranges from top to bottom for worm gear I 22, gear IV 24 and rolling bearing units III 25, and middle gear III 21 is fixed in through screw
The nearly upper end of gear shaft 20, worm gear I 22 are fixed in 20 middle part of gear shaft through screw, and gear IV 24 is fixed in gear shaft 20 closely through screw
Lower end, rolling bearing units II 19 are connect through inner ring with 20 upper end interference of gear shaft, and rolling bearing units III 25 are through under inner ring and gear shaft 20
Hold interference connection；I 23 right end of worm screw and II 26 output shaft of motor are affixed, and I 23 left part of worm screw and worm gear I 22 form worm and gear and pass
It is dynamic.
As shown in fig. 7, the head inclining rotary mechanism E by worm gear II 27, worm screw II 28, tiliting axis I 29, outer circlip I 30,
Rolling bearing units IV 31, motor III 32, rolling bearing units V 33, tiliting axis II 34 and outer circlip II 35 form, wherein tiliting axis I 29
Upper end is regular hexagon, and middle part and lower end are ladder circular shaft, and II 27 inner hole of worm gear is regular hexagon, is fixed in tiliting axis through screw
The inner ring of I 29 upper ends, rolling bearing units IV 31 is connect with I 29 middle part interference of tiliting axis, and IV 31 two sides of rolling bearing units are by the shaft shoulder and outside
Circlip I 30 limits；Tiliting axis II 34 is multi-diameter shaft, and II 34 lower end of tiliting axis is connect with the inner ring interference of rolling bearing units V 33, band
Seat V 33 two sides of bearing are limited by the shaft shoulder and outer circlip II 35；II 28 right end of worm screw and III 32 output shaft of motor are affixed, worm screw II
28 with the engaged transmission of worm gear II 27.
As shown in Figure 16, Figure 17, the propeller is flexible and head reclining device can be installed to as shown in the figure across medium
In aircraft, across medium aircraft airflight and the good transition moved under water under water can be realized, guarantee that across medium aircraft exists
Have good shape and leakproofness under water, reduce underwater running resistance, can be aircraft in across the medium water outlet of aircraft
Optimal hydrodynamic force out is provided, aircraft Quick water exit is realized, the water discharging time of aircraft is greatly shortened.
Claims (6)
1. a kind of across medium aircraft propeller is flexible and head reclining device, it is characterised in that: by head telescoping mechanism (A),
Propeller telescoping mechanism (B), propeller driving mechanism (C), telescoping drive mechanism (D), head inclining rotary mechanism (E) composition, wherein
The rack gear I (39) of telescopic shaft (7) right part is nibbled with III (21) gear teeth of telescoping drive mechanism (D) middle gear in head telescoping mechanism (A)
It closes；The guide rail I (8) of head telescoping mechanism (A) is affixed by mounting hole II (42) and stud group III (d), stud group III (d) and machine
Head storehouse shell (37) welds；The hollow shaft (10) of propeller telescoping mechanism (B) is placed on telescopic shaft (7) in head telescoping mechanism (A)
On, between rear cover (6) and rack gear I (39)；The rack gear II (14) and telescoping drive mechanism (D) of propeller telescoping mechanism (B)
Middle gear IV (24) gear teeth meshing；The guide rail II (15) of propeller telescoping mechanism (B) passes through mounting hole III (44) and stud group V
(f) affixed, stud group V (f) and head storehouse shell (37) weld；The centre bore of propeller driving mechanism (C) middle gear I (16)
It is placed on affixed through screw at the threaded hole (11) of the nearly right end of hollow shaft (10) of propeller telescoping mechanism (B)；Propeller driving machine
The pedestal of the motor I (18) of structure (C) is fixed in the mounting hole V (46) of support plate (13) in propeller telescoping mechanism (B) through bolt
On；The pedestal of motor II (26) and stud group IV (e) are affixed in telescoping drive mechanism (D), stud group IV (e) and head storehouse shell
(37) it welds, the pedestal of rolling bearing units II (19) is affixed by bolt group I (c) and bearing mounting plate I (i), bearing mounting plate I
(i) affixed by stud group III (d) and guide rail I (8)；The pedestal of rolling bearing units III (25) is pacified by bolt group II (g) and bearing
Loading board II (j) is affixed, and bearing mounting plate II (j) is affixed by stud group V (f) and guide rail II (15)；Head inclining rotary mechanism (E)
Middle tiliting axis I (29) inner end is fixed in the right side central of head storehouse shell (37), and tiliting axis II (34) inner end is fixed in head storehouse
The left side central portion of shell (37), tiliting axis I (29) and tiliting axis II (34) are coaxial；The pedestal and stud group of rolling bearing units IV (31)
I (a) is affixed, and stud group I (a) and fuselage cover (36) are welded, and the pedestal and stud group VI (h) of rolling bearing units V (33) are affixed,
Stud group VI (h) and fuselage cover (36) are welded；The pedestal of motor III (32) and stud group II (b) are affixed, stud group II (b) with
Fuselage cover (36) welding.
2. across medium aircraft propeller according to claim 1 stretches and head reclining device, it is characterised in that: described
Head telescoping mechanism (A) is by head (1), baffle (2), spring (3), installation set (4), sealing ring (5), rear cover (6), telescopic shaft
(7) with guide rail I (8) form, wherein telescopic shaft (7) left end be equipped with external screw thread (38), right part section be it is rectangular, on right part
Face is equipped with rack gear I (39), and rack gear I (39) is installed in the guide groove I (41) of guide rail I (8), is slidably connected with guide groove I (41)；It is flexible
Axis (7) left part passes through sealing ring (5), rear cover (6) and spring (3)；Baffle (2) is threadedly coupled with telescopic shaft (7) left end；Machine
Head (1) is hollow cone, and installation set (4) inner ring is equipped with internal screw thread, and installation set (4) is fixed in head (1) right end through outer ring；
Rear cover (6) outer ring is equipped with external screw thread, and rear cover (6) is threadedly coupled with installation set (4), and rear cover (6) is placed on the nearly left end of telescopic shaft (7),
And it is slidably connected with telescopic shaft (7)；Sealing ring (5) left side is Nian Jie with head (1) right side, installation set (4) right side.
3. across medium aircraft propeller according to claim 1 stretches and head reclining device, it is characterised in that: described
Propeller telescoping mechanism (B) is by propeller blade group (9), hollow shaft (10), rolling bearing units I (12), support plate (13), rack gear II
(14) it is formed with guide rail II (15), wherein propeller blade group (9) is made of four propeller blades, hollow shaft (10) left end
Four pairs of vertical plates with holes of uniformly distributed vertical plate group (49) on periphery；The nearly right end periphery of hollow shaft (10) is equipped with threaded hole (11)；
Support plate (13) top is equipped with location hole (48) and mounting hole IV (45)；Support plate (13) lower part is equipped with rectangular opening (47) and installs
Hole V (46)；Hollow shaft (10) right end is connect with rolling bearing units I (12) inner ring interference, and the bearing block of rolling bearing units I (12) is through spiral shell
Bolt is fixed on the mounting hole IV (45) of support plate (13)；Rack gear II (14) left end is fixed in through bolt in the peace of support plate (13)
It fills on the downside of hole V (46) on two holes, rack gear II (14) is installed in the guide groove II (43) of guide rail II (15), sliding with guide groove II (43)
Dynamic connection；Four propeller blades are sold on four pairs of vertical plates with holes for being fixed in vertical plate group (49).
4. across medium aircraft propeller according to claim 1 stretches and head reclining device, it is characterised in that: described
Propeller driving mechanism (C) is made of gear I (16), gear II (17), motor I (18), wherein gear II (17) is fixed in electricity
On the output shaft of machine I (18), gear II (17) intermeshes with gear I (16).
5. across medium aircraft propeller according to claim 1 stretches and head reclining device, it is characterised in that: described
Telescoping drive mechanism (D) is by rolling bearing units II (19), gear shaft (20), gear III (21), worm gear I (22), worm screw I (23), tooth
Take turns IV (24), rolling bearing units III (25), motor II (26) composition, wherein gear shaft (20) upper and lower ends are circle, and middle part is positive
Hexagon；Gear III (21), gear IV (24), worm gear I (22) inner hole be regular hexagon；Rolling bearing units II (19), gear
Sequence arranges from top to bottom for III (21), worm gear I (22), gear IV (24) and rolling bearing units III (25), middle gear III (21) warp
Screw is fixed in the nearly upper end of gear shaft (20), and worm gear I (22) is fixed in the middle part of gear shaft (20) through screw, and gear IV (24) is through spiral shell
Nail is fixed in the nearly lower end of gear shaft (20), and rolling bearing units II (19) are connect through inner ring with gear shaft (20) upper end interference, axis of usheing to seat
It holds III (25) and is connect through inner ring with gear shaft (20) lower end interference；Worm screw I (23) right end and motor II (26) output shaft are affixed, snail
Bar I (23) left part and worm gear I (22) form Worm Wheel System.
6. across medium aircraft propeller according to claim 1 stretches and head reclining device, it is characterised in that: described
Head inclining rotary mechanism (E) is by worm gear II (27), worm screw II (28), tiliting axis I (29), outer circlip I (30), rolling bearing units IV
(31), motor III (32), rolling bearing units V (33), tiliting axis II (34) and outer circlip II (35) composition, wherein tiliting axis I
(29) upper end is regular hexagon, and middle part and lower end are ladder circular shaft, and worm gear II (27) inner hole is regular hexagon, is fixed in through screw
The inner ring of tiliting axis I (29) upper end, rolling bearing units IV (31) is connect with interference in the middle part of tiliting axis I (29), rolling bearing units IV (31)
Two sides are limited by the shaft shoulder and outer circlip I (30)；Tiliting axis II (34) is multi-diameter shaft, tiliting axis II (34) lower end and rolling bearing units V
(33) inner ring interference connection, rolling bearing units V (33) two sides are limited by the shaft shoulder and outer circlip II (35)；Worm screw II (28) right end
It is affixed with motor III (32) output shaft, worm screw II (28) and worm gear II (27) engaged transmission.
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| CN201910158582.9A CN109878699B (en) | 2019-03-04 | 2019-03-04 | Cross-medium aircraft propeller telescoping and aircraft nose tilting device |
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| CN201910158582.9A CN109878699B (en) | 2019-03-04 | 2019-03-04 | Cross-medium aircraft propeller telescoping and aircraft nose tilting device |
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| CN109878699A true CN109878699A (en) | 2019-06-14 |
| CN109878699B CN109878699B (en) | 2022-02-15 |
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|---|---|---|---|
| CN201910158582.9A Active CN109878699B (en) | 2019-03-04 | 2019-03-04 | Cross-medium aircraft propeller telescoping and aircraft nose tilting device |
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| CN115180123A (en) * | 2022-08-18 | 2022-10-14 | 南京航空航天大学 | Active noise reduction mechanism, system and method based on control of radius length of rotor wing |
| CN115285347A (en) * | 2022-07-01 | 2022-11-04 | 哈尔滨工程大学 | Bionic load reduction structure configuration for high-speed inclined water entry and water entry method |
| CN115649423A (en) * | 2022-12-29 | 2023-01-31 | 中国空气动力研究与发展中心空天技术研究所 | Cross-medium aircraft water-air coaxial double-paddle structure |
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| CN115649423B (en) * | 2022-12-29 | 2023-03-21 | 中国空气动力研究与发展中心空天技术研究所 | Cross-medium aircraft water-air coaxial double-paddle structure |
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| CN109878699B (en) | 2022-02-15 |
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