CN112498686A - Micro-miniature coaxial double-propeller unmanned aerial vehicle - Google Patents
Micro-miniature coaxial double-propeller unmanned aerial vehicle Download PDFInfo
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- CN112498686A CN112498686A CN202011540180.4A CN202011540180A CN112498686A CN 112498686 A CN112498686 A CN 112498686A CN 202011540180 A CN202011540180 A CN 202011540180A CN 112498686 A CN112498686 A CN 112498686A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000013016 damping Methods 0.000 claims abstract description 15
- 230000000737 periodic effect Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 2
- 229910052802 copper Inorganic materials 0.000 claims 2
- 239000010949 copper Substances 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 5
- 241000227287 Elliottia pyroliflora Species 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 230000002337 anti-port Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000014392 establishment of spindle localization Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
- B64C27/10—Helicopters with two or more rotors arranged coaxially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
- B64C27/14—Direct drive between power plant and rotor hub
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- 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
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U30/00—Means for producing lift; Empennages; Arrangements thereof
- B64U30/20—Rotors; Rotor supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
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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
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention provides a microminiature coaxial double-oar unmanned aerial vehicle, which comprises a main shaft, a motor, a battery, a periodic torque conversion mechanism, a total distance conversion mechanism and a damping hanging rack mechanism, wherein the motor, a power supply system, the periodic torque conversion mechanism, the total distance conversion mechanism and the damping hanging rack mechanism are all arranged on the main shaft, a main shaft positioning hole I, a main shaft positioning hole II, a main shaft wire passing hole, a main shaft positioning hole III, a limiting groove I and a limiting groove II are arranged on the main shaft, the microminiature coaxial double-oar unmanned aerial vehicle can reduce the transverse width of the microminiature coaxial double-oar unmanned aerial vehicle, further reduce the resistance of air received in the flying process and improve the flying speed of the microminiature coaxial double-oar unmanned aerial vehicle, has the outstanding characteristics of small volume, difficult discovery, good concealment, light weight, low cost, strong function, convenient carrying, simple operation and the like, can realize vertical lifting, follow flying and high dynamic attack, and is convenient for constructing a novel combat, the aircraft is suitable for executing various flight tasks.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicle equipment, in particular to a microminiature coaxial double-oar unmanned aerial vehicle.
Background
The unmanned aerial vehicle has the characteristics of simple and convenient operation and use and can be used in various environments, and is increasingly applied in industries such as military, industry, social life and the like, wherein the coaxial double-paddle unmanned aerial vehicle has better aerodynamics and lower energy consumption, and is further popular, the invention patent with the patent application number of CN202010104669.0 discloses a vector coaxial double-paddle unmanned aerial vehicle, the existing coaxial double-paddle unmanned aerial vehicle basically has the advantages of simple operation, high flying speed, high flying flexibility, long flying distance, long service life and the like, and can meet different use requirements of entertainment, commerce, agriculture, military and the like, however, for the existing coaxial double-paddle unmanned aerial vehicle, on one hand, the existing unmanned aerial vehicle has larger volume, is easy to find, is not beneficial to concealment, has large weight, is not beneficial to carrying, is not beneficial to large-scale combat use, and on the other hand, when the aircraft is used, the flying speed is slow, and people are required to lift the aircraft up or take off and land the aircraft by means of a platform, so that the aircraft is not beneficial to flexible use.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a microminiature coaxial double-oar unmanned aerial vehicle to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: a micro coaxial double-propeller unmanned aerial vehicle comprises a main shaft, a motor, a battery, a periodic torque conversion mechanism, a total distance conversion mechanism and a damping hanger mechanism, wherein the motor, a power supply system, the periodic torque conversion mechanism, the total distance conversion mechanism and the damping hanger mechanism are all arranged on the main shaft, a main shaft positioning hole I, a main shaft positioning hole II, a main shaft line passing hole, a main shaft positioning hole III, a limiting groove I and a limiting groove II are arranged on the main shaft, a propeller hub mounting threaded hole is arranged on the motor, a propeller hub is arranged at the top and the bottom of the motor, the propeller hub is arranged on the rotating shaft mounting threaded hole through a rotating shaft, a propeller and a lower propeller are arranged at one side of the propeller hub, the propeller and the lower propeller are both arranged on the propeller hub through blade mounting holes, a battery quick-dismantling fixing piece is arranged at the bottom of, the battery quick-release fixing part is provided with a battery connecting fixing part positioning hole and a fixing hole, the battery is provided with a battery fixing end, the battery fixing end is provided with a sliding groove, the battery quick-release fixing part is integrally formed with a sliding way, the sliding groove is matched with the sliding way, the battery quick-release fixing part is provided with a locking hole, the inner side of the battery fixing end is provided with a clamping groove, the clamping groove is connected with the locking hole through a locking bolt, two ends of the locking bolt are fixed on the battery quick-release fixing part through a spring and a clamping spring, the periodic pitch-changing mechanism comprises an upper part and a lower part, the upper part comprises an upper steering engine bracket and a steering engine, the steering engine is arranged on the upper steering engine bracket, the upper steering engine bracket is locked at the outer side of a main shaft limiting groove II, the, the upper steering engine support is provided with a cross rod and a tilting tray guide piece, the tilting tray guide piece is arranged at the bottom of the cross rod, a guide groove is formed in the tilting tray guide piece, the lower portion of the upper steering engine support comprises a tilting tray moving disc, a tilting tray static body, a thin-wall bearing and a joint bearing, a first ball head is arranged on a steering engine rocker arm, a second ball head and a third ball head are arranged on the tilting tray moving disc, the first ball head is respectively connected with the second ball head and the third ball head through a second connecting rod, an extension section is arranged on one side of the third ball head, one end of the extension section is clamped on the inner side of the guide groove, a hub at the top of the motor is statically connected with the tilting tray through the first connecting rod, a total distance changing mechanism comprises a lower-layer moving disc, a sliding shaft sleeve, a variable-distance shifting fork, a shifting fork front rotating shaft and a shifting fork connecting rod, the damping hanging rack mechanism comprises a base support, a hanging rack and a damping ball, wherein the base support is arranged at the bottom of a lower-layer moving disk and is connected with three fixed connections of a main shaft positioning hole on a main shaft through a positioning hole, a lower steering engine connecting rod is arranged at the bottom of the base support, a connecting rod mounting hole is formed in the base support, a shifting fork connecting rod is arranged at the top of the base support, the base support is connected with the hanging rack through the damping ball, the bottom of the base support is provided with a flight control, the flight control is installed on the hanging rack through a bolt, a mounting hole is formed in the hanging rack, and the flight control is installed at the bottom of the hanging.
As a preferred embodiment of the present invention, the battery is connected to the motor by a wire, and the wire is arranged inside the main shaft through the main shaft passing hole.
As a preferred embodiment of the present invention, the fixing holes are disposed on both sides of the battery connecting fixture positioning hole, the fixing hole is fixed to the upper limiting groove i by a bolt, and the battery connecting fixture positioning hole is mounted on the main shaft positioning hole i by a bolt.
As a preferred embodiment of the present invention, the lower movable disk is disposed at the bottom of the motor, the sliding shaft sleeve is integrally formed with a copper bush bearing mounting section, and the lower movable disk is mounted on the copper bush bearing mounting section through a bearing.
As a preferred embodiment of the present invention, a battery fixing end is installed on the battery, a sliding groove is formed on the battery fixing end, a sliding way is integrally formed on the battery quick-release fixing member, and the sliding groove is matched with the sliding way.
In a preferred embodiment of the present invention, the thin-walled bearing and the spherical plain bearing are both sleeved on the outer side of the main shaft, the spherical plain bearing is disposed on the top of the thin-walled bearing, the tilting disk is sleeved on the outer side of the spherical plain bearing, and the tilting disk is sleeved on the outer side of the thin-walled bearing.
As a preferred embodiment of the present invention, one end of the variable-pitch shifting fork is provided with a shifting fork threaded hole, the sliding shaft sleeve is provided with a through hole, and the shifting fork threaded hole is connected to the through hole through a shifting fork front rotating shaft.
As a preferred embodiment of the present invention, the shift fork front pivot includes a polished rod portion and a threaded portion, the threaded portion is engaged with the shift fork threaded hole, and the polished rod portion is caught inside the through hole.
As a preferred embodiment of the invention, the middle part of the variable-pitch shifting fork is arranged on a shifting fork connecting rod through a rotating shaft, the bottom of the base support is provided with a lower steering engine connecting rod, and the other end of the variable-pitch shifting fork is connected with the lower steering engine connecting rod through a third connecting rod.
As a preferred embodiment of the invention, the bottom of the base support is provided with a lower steering engine, and the lower steering engine is installed on the base support through a steering engine installation hole.
Compared with the prior art, the invention has the beneficial effects that:
1. when the micro coaxial double-oar unmanned aerial vehicle is used, the unmanned aerial vehicle connects all parts in series through a main shaft, is integrally distributed through the main shaft, further reduces the transverse width of the unmanned aerial vehicle, further reduces the resistance of the air received by the unmanned aerial vehicle in the flying process, improves the flying speed of the unmanned aerial vehicle, and has the outstanding characteristics of small volume, unsusceptibility to finding, good concealment, light weight, low cost, strong function, convenience for carrying, simple operation and the like.
2. This coaxial double-oar unmanned aerial vehicle of microminiature when using, adopt the design of miniature coaxial double-oar, two coaxial installations of rotor, the antiport, through battery drive, the realization is hung down and is landed, with flying and high dynamic attack, the novel operation system based on the miniaturized high integration technology of little miniature unmanned aerial vehicle technique and airborne equipment is found, miniature unmanned aerial vehicle possesses the VTOL ability, can be when the operation, hide the back with it, it takes off to control through the personnel and carries out and launch search or other tasks to the target.
Drawings
FIG. 1 is a schematic structural view of a portable coaxial twin-propeller unmanned aerial vehicle according to the present invention;
FIG. 2 is a schematic structural view of a main shaft of a portable coaxial twin-propeller unmanned aerial vehicle according to the present invention;
FIG. 3 is a schematic diagram of a motor of a portable coaxial twin-paddle unmanned aerial vehicle according to the present invention;
fig. 4 is a schematic view of a hub assembly of a portable coaxial twin-oar unmanned aerial vehicle of the present invention;
FIG. 5 is a schematic view of an assembly of a battery mounting mechanism of a portable coaxial twin-paddle unmanned aerial vehicle according to the present invention;
FIG. 6 is an assembly schematic diagram of a portable coaxial twin-oar unmanned aerial vehicle cyclic pitch mechanism of the present invention;
FIG. 7 is an assembly schematic diagram of a variable collective pitch mechanism of a portable coaxial twin-propeller unmanned aerial vehicle according to the present invention;
FIG. 8 is a schematic view of a lower layer movable disk of a portable coaxial double-oar unmanned aerial vehicle of the present invention;
FIG. 9 is a schematic view of a sliding shaft sleeve of a portable coaxial twin-oar unmanned aerial vehicle according to the present invention;
FIG. 10 is a schematic view of a front shifting fork shaft of a portable coaxial double-paddle unmanned aerial vehicle according to the invention;
FIG. 11 is a schematic view of a pitch-variable fork of a portable coaxial twin-paddle unmanned aerial vehicle according to the present invention;
FIG. 12 is a schematic view of a fork link of a portable coaxial twin-paddle unmanned aerial vehicle according to the present invention;
fig. 13 is a schematic view of a damping mount mechanism of a portable coaxial twin-screw unmanned aerial vehicle according to the present invention;
FIG. 14 is a schematic view of a base support of a portable coaxial twin-oar unmanned aerial vehicle of the present invention;
FIG. 15 is a schematic view of a portable coaxial twin-oar unmanned aerial vehicle pylon of the present invention;
fig. 16 is a schematic diagram of a battery of a portable coaxial twin-paddle unmanned aerial vehicle of the present invention;
in the figure: 1. a first main shaft positioning hole; 2. a second main shaft positioning hole; 3. a main shaft wire passing hole; 4. a main shaft positioning hole III; 5. a first limiting groove; 6. a second limiting groove; 7. a motor; 8. the propeller hub is provided with a threaded hole; 9. a hub; 10. a first connecting rod; 11. a blade mounting hole; 12. a rotating shaft; 13. locking the bolt; 14. a clamp spring; 15. a spring; 16. a battery quick-release fixing piece; 17. a lock hole; 18. a slideway; 19. the battery is connected with the fixing piece; 20. the battery is connected with the positioning hole of the fixing piece; 21. a fixing hole; 22. an upper steering engine bracket; 23. a steering engine; 24. a steering engine rocker arm; 25. installing a cross bar; 26. a swashplate guide; 27. a guide groove; 28. a tilting tray; 29. the tilting disk is static; 30. a knuckle bearing; 31. a thin-walled bearing; 32. a second connecting rod; 33. a first ball head; 34. a second ball head; 35. a third ball head; 36. an extension section; 37. a propeller; 38. a lower propeller; 39. a lower movable disc; 40. a sliding shaft sleeve; 41. a front rotating shaft of the shifting fork; 42. a variable-pitch shifting fork; 43. a shift fork connecting rod; 44. a third connecting rod; 45. a lower steering engine connecting rod; 46. a base support; 47. a torsion arm; 48. a polish rod portion; 49. a threaded portion; 50. a copper bush bearing mounting section; 51. a through hole; 52. positioning holes; 53. a lower steering engine mounting hole; 54. a shifting fork threaded hole; 55. a battery; 56. a card slot; 57. a chute; 58. a battery fixing end; 59. a hanger; 60. a lower steering engine; 61. a shock absorbing ball; 62. and (5) flight control.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 16, the present invention provides a technical solution: a microminiature coaxial double-propeller unmanned aerial vehicle comprises a main shaft, a motor 7, a battery 55, a periodic torque conversion mechanism, a total distance conversion mechanism and a damping hanger mechanism, wherein the motor 7, a power supply system, the periodic torque conversion mechanism, the total distance conversion mechanism and the damping hanger mechanism are all arranged on the main shaft, a main shaft positioning hole I1, a main shaft positioning hole II 2, a main shaft wire passing hole 3, a main shaft positioning hole III 4, a limiting groove I5 and a limiting groove II 6 are arranged on the main shaft, a propeller hub mounting threaded hole 8 is arranged on the motor 7, a propeller hub 9 is arranged at the top and the bottom of the motor 7, the propeller hub 9 is mounted on the threaded hole 8 through a rotating shaft 12, a propeller 37 and a lower propeller 38 are arranged at one side of the propeller hub 9, the propeller 37 and the lower propeller 38 are both mounted on the propeller hub 9 through a blade mounting hole 11, a battery quick-release, the quick-release fixing part comprises a battery quick-release fixing part 16, a battery connecting fixing part positioning hole 20 and a fixing hole 21 are welded on the battery quick-release fixing part 16, a battery fixing end 58 is installed on a battery 55, a sliding groove 57 is formed on the battery fixing end 58, a sliding way 18 is integrally formed on the battery quick-release fixing part 16, the sliding groove 57 is matched with the sliding way 18, a locking hole 17 is formed in the battery quick-release fixing part 16, a clamping groove 56 is formed in the inner side of the battery fixing end 58, the clamping groove 56 is connected with the locking hole 17 through a locking bolt 13, two ends of the locking bolt 13 are fixed on the battery quick-release fixing part 16 through a spring 15 and a clamping spring 14, a periodic variable pitch mechanism comprises an upper portion and a lower portion, the upper portion comprises an upper steering engine support 22 and a steering engine 23, the steering engine 23 is installed on the upper steering engine support, the upper steering engine support 22 is mounted on the main shaft positioning hole II 2 through a bolt, a steering engine rocker arm 24 is mounted at the bottom of the steering engine 23, a cross rod 25 and a tilting tray guide 26 are mounted on the upper steering engine support 22, the tilting tray guide 26 is mounted at the bottom of the cross rod 25, a guide groove 27 is formed in the tilting tray guide 26, the lower portion of the upper steering engine support 22 comprises a tilting tray movable disc 28, a tilting tray static 29, a thin-wall bearing 31 and a joint bearing 30, a ball head I33 is mounted on the steering engine rocker arm 24, a ball head II 34 and a ball head III 35 are mounted on the tilting tray movable disc 28, the ball head I33 is respectively connected with the ball head II 34 and the ball head III 35 through a connecting rod II 32, an extension section 36 is mounted on one side of the ball head III 35, one end of the extension section 36 is clamped on the inner side of the guide groove 27, and a hub 9 at the, the total distance changing mechanism comprises a lower movable disc 39, a sliding shaft sleeve 40, a distance changing shifting fork 42, a shifting fork front rotating shaft 41 and a shifting fork connecting rod 43, wherein the sliding shaft sleeve 40 is sleeved on the outer side of a main shaft, a propeller hub 9 at the bottom of a motor 7 is connected with the lower movable disc 39 through a torsion arm 47, the damping hanger mechanism comprises a base support 46, a hanging frame 59 and a damping ball 61, the base support 46 is arranged at the bottom of the lower movable disc 39, the base support 46 is fixedly connected with a main shaft positioning hole three 4 on the main shaft through a positioning hole 52, a lower steering engine connecting rod 45 is arranged at the bottom of the base support 46, the base support 46 is provided with a connecting rod mounting hole 64, the shifting fork connecting rod 43 is arranged at the top of the base support 46, the base support 46 is connected with the hanging frame 59 through the damping ball 61, a flight control 64 is arranged at the bottom of the base support, the mounting hole has been seted up on stores pylon 59, the bottom of stores pylon 59 is installed through the bolt and is flown accuse 62, this coaxial double-oar unmanned aerial vehicle of microminiature adopts the design of miniature coaxial double-oar, two coaxial installations of rotor, the antiport, through battery drive, realize the VTOL, with flying and high dynamic attack, the novel operation system of the high integration technology of miniaturation based on little unmanned aerial vehicle technique and airborne equipment is established, miniature unmanned aerial vehicle possesses the VTOL ability, can be when the operation, hide the back with it, control its take off through the personnel and carry out and expand search or its other tasks to the target.
As a preferred embodiment of the present invention, the battery 55 is connected to the motor 7 through a wire, and the wire is arranged inside the spindle through the spindle wire passing hole 3, so that the arrangement of the motor is convenient, and the safety of the wire is guaranteed by the battery 1.
In a preferred embodiment of the present invention, the fixing holes 21 are disposed on both sides of the battery attachment fixture positioning hole 20, the fixing hole 21 and the upper limiting groove 5 are fixed by a bolt, and the battery attachment fixture positioning hole 20 is mounted on the spindle positioning hole one 1 by a bolt.
In a preferred embodiment of the present invention, the lower movable disk 39 is disposed at the bottom of the motor 7, the sliding sleeve 40 is integrally formed with a copper bush bearing mounting section 50, and the lower movable disk 39 is mounted on the copper bush bearing mounting section 50 through a bearing.
As a preferred embodiment of the present invention, a battery fixing end 58 is installed on the battery 55, a sliding groove 57 is opened on the battery fixing end 58, the sliding rail 18 is integrally formed on the battery quick-release fixing member 16, the sliding groove 57 is matched with the sliding rail 18, the battery quick-release fixing member 16 can be installed by combining the sliding groove 57 on the battery fixing end 58 with the sliding rail 18 on the battery quick-release fixing member in a sliding and inserting manner, and the locking bolt 13 is inserted into the clamping groove 56 on the battery fixing end 58, so as to quickly complete the installation and fixation of the battery.
In a preferred embodiment of the present invention, the thin-walled bearing 31 and the knuckle bearing 30 are both disposed on the outer side of the main shaft, the knuckle bearing 30 is disposed on the top of the thin-walled bearing 31, the tilt disc 28 is disposed on the outer side of the knuckle bearing 30, and the tilt disc 29 is disposed on the outer side of the thin-walled bearing 31.
In a preferred embodiment of the present invention, a fork screw hole 54 is formed at one end of the pitch shift fork 42, a through hole 51 is formed in the sliding sleeve 40, and the fork screw hole 54 is connected to the through hole 51 through the fork front shaft 41.
In a preferred embodiment of the present invention, the fork front shaft 41 includes a polished rod portion 48 and a threaded portion 49, the threaded portion 49 is engaged with the fork threaded hole 54, and the polished rod portion 48 is caught inside the through hole 51.
As a preferred embodiment of the present invention, the middle part of the variable-pitch shifting fork 42 is mounted on a shifting fork connecting rod 43 through a rotating shaft, the bottom of the base bracket 46 is mounted with a lower steering engine connecting rod 45, and the other end of the variable-pitch shifting fork 42 is connected with the lower steering engine connecting rod 45 through a connecting rod three 44.
As a preferred embodiment of the invention, the bottom of the base support 46 is provided with a lower steering engine 60, the lower steering engine 60 is mounted on the base support 46 through a steering engine mounting hole 53, all parts of the unmanned aerial vehicle are connected in series through a main shaft, and the whole unmanned aerial vehicle is distributed through the main shaft, so that the transverse width of the unmanned aerial vehicle is reduced, the resistance of air borne by the unmanned aerial vehicle in the flying process is reduced, the flying speed of the unmanned aerial vehicle is improved, and the unmanned aerial vehicle has the prominent characteristics of small size, unsuitability for discovery, good concealment, light weight, low cost, strong function, convenience for carrying, simplicity in operation and the like. The micro-miniature coaxial double-oar unmanned aerial vehicle provides electric energy for all electric equipment through the battery 55, and adopts a micro-miniature coaxial double-oar design, two pairs of rotors are coaxially installed and reversely rotate, and the micro-miniature unmanned aerial vehicle is driven by the battery to realize the vertical lifting, the flying and the high dynamic attack, so as to construct a novel combat system based on the micro-miniature unmanned aerial vehicle technology and the miniaturized high integration technology of airborne equipment, the micro-miniature unmanned aerial vehicle has the vertical lifting capability, can hide the micro-miniature unmanned aerial vehicle and control the flying to carry out the target development search or other tasks through personnel, when in use, the micro-miniature unmanned aerial vehicle connects all parts in series through a main shaft, the whole unmanned aerial vehicle is distributed through the main shaft, the transverse width of the micro-miniature unmanned aerial vehicle is further reduced, the resistance of air received by the micro-miniature unmanned aerial vehicle in the flying process is further reduced, the flying speed of the micro-miniature unmanned, Good concealment, light weight, low cost, strong function, convenient carrying, simple operation, etc
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A microminiature coaxial double-oar unmanned aerial vehicle which characterized in that: the novel propeller comprises a main shaft, a motor (7), a battery (55), a periodic torque conversion mechanism, a total distance conversion mechanism and a damping hanging rack mechanism, wherein the motor (7), a power supply system, the periodic torque conversion mechanism, the total distance conversion mechanism and the damping hanging rack mechanism are all arranged on the main shaft, a main shaft positioning hole I (1), a main shaft positioning hole II (2), a main shaft wire passing hole (3), a main shaft positioning hole III (4), a limiting groove I (5) and a limiting groove II (6) are arranged on the main shaft, a propeller hub mounting threaded hole (8) is arranged on the motor (7), a propeller hub (9) is arranged at the top and the bottom of the motor (7), the propeller hub (9) is arranged on the propeller mounting threaded hole (8) through a rotating shaft (12), a propeller (37) and a lower propeller (38) are arranged on one side of the propeller hub (9), and the propeller (37) and the lower propeller (38) are both arranged on the propeller hub, the battery quick-release fixing part is characterized in that a battery quick-release fixing part (16) is arranged at the bottom of the battery (55), a battery connecting fixing part (19) is welded on the battery quick-release fixing part (16), a battery connecting fixing part positioning hole (20) and a fixing hole (21) are formed in the battery connecting fixing part (19), a battery fixing end (58) is installed on the battery (55), a sliding groove (57) is formed in the battery fixing end (58), a sliding rail (18) is formed in the battery quick-release fixing part (16) in an integrated mode, the sliding groove (58) is matched with the sliding rail (18), a locking hole (17) is formed in the battery quick-release fixing part (16), a clamping groove (56) is formed in the inner side of the battery fixing end (58), the clamping groove (56) is connected with the locking hole (17) through a locking bolt (13), and the two ends of the locking bolt (13), the periodic distance changing mechanism comprises an upper portion and a lower portion, the upper portion comprises an upper steering engine support (22) and a steering engine (23), the steering engine (23) is installed on the upper steering engine support (22), the upper steering engine support (22) is locked on the outer side of a second main shaft limiting groove (6), the upper steering engine support (22) is installed on a second main shaft positioning hole (2) through bolts, a steering engine rocker arm (24) is installed at the bottom of the steering engine (23), a cross rod (25) and an inclined plate guide piece (26) are installed on the upper steering engine support (22), the inclined plate guide piece (26) is installed at the bottom of the cross rod (25), a guide groove (27) is formed in the inclined plate guide piece (26), the lower portion comprises an inclined plate movable plate (28), an inclined plate static plate (29), a thin-wall bearing (31) and a joint bearing (30), a first ball head (22) is installed on the steering engine rocker arm (24, install bulb two (34) and bulb three (35) on tilting disk driving disk (28), bulb one (22) are connected with bulb two (34) and bulb three (25) respectively through connecting rod two (32), extension section (36) are installed to one side of bulb three (35), the one end card of extension section (36) is in the inboard of guide way (27), oar hub (9) at the top of motor (7) are connected with tilting disk quiet (29) through connecting rod one (10), and total distance changing mechanism includes lower floor's driving disk (39), slip axle sleeve (40), displacement shift fork (42), pivot (41) and shift fork connecting rod (43) before the shift fork, slip axle sleeve (40) cover is established at the outside flank of main shaft, oar hub (9) of the bottom of motor (7) motor are connected with lower floor's driving disk (39) through torque arm (47), shock attenuation hanger mechanism includes base support (46), Stores pylon (59) and shock attenuation ball (61), base support (46) set up the bottom in lower driving disk (39), base support (46) are through locating hole (52) and main epaxial main shaft locating hole three (4) fixed connection, steering wheel connecting rod (45) down are installed to the bottom of base support (46), base support (46) are provided with connecting rod mounting hole (64), and shift fork connecting rod (43) are installed at the top of base support (46), base support (46) are connected with stores pylon (59) through shock attenuation ball (61), the bottom of base support (46) is provided with flies accuse (64), it installs on stores pylon (59) through the bolt to fly accuse (64), the mounting hole has been seted up on stores pylon (59), the bottom of stores pylon (59) is installed through the bolt and is flown accuse (62).
2. A microminiature coaxial twin-paddle unmanned aerial vehicle as claimed in claim 1, wherein: the battery (55) is connected with the motor (7) through an electric wire, and the electric wire penetrates through the main shaft wire passing hole (3) and is distributed on the inner side of the main shaft.
3. A microminiature coaxial twin-paddle unmanned aerial vehicle as claimed in claim 1, wherein: the fixing holes (21) are formed in two sides of the battery connecting and fixing piece positioning hole (20), the fixing holes (21) are fixed with the upper limiting groove I (5) through bolts, and the battery connecting and fixing piece positioning hole (20) is installed on the main shaft positioning hole I (1) through bolts.
4. A microminiature coaxial twin-paddle unmanned aerial vehicle as claimed in claim 1, wherein: lower floor's driving disk (39) set up the bottom at motor (7), integrated into one piece has copper sheathing bearing installation section (50) on slip axle sleeve (7), lower floor's driving disk (39) are installed on copper sheathing bearing installation section (50) through the bearing.
5. A microminiature coaxial twin-paddle unmanned aerial vehicle as claimed in claim 1, wherein: install battery stiff end (58) on battery (55), spout (57) have been seted up on battery stiff end (58), integrated into one piece has slide (18) on battery quick detach mounting (16), spout (57) cooperate with slide (18).
6. A microminiature coaxial twin-paddle unmanned aerial vehicle as claimed in claim 1, wherein: thin wall bearing (31) and joint bearing (30) are all established in the outside side of main shaft, joint bearing (30) set up the top at thin wall bearing (31), tilt disc dish (28) cover is established at joint bearing (30) outside side, the quiet (39) cover of tilt disc is established at the outside side of thin wall bearing (31).
7. A microminiature coaxial twin-paddle unmanned aerial vehicle as claimed in claim 1, wherein: one end of the variable-pitch shifting fork (42) is provided with a shifting fork threaded hole (54), the sliding shaft sleeve (40) is provided with a through hole (51), and the shifting fork threaded hole (54) is connected with the through hole (51) through a shifting fork front rotating shaft (41).
8. A microminiature coaxial twin-paddle unmanned aerial vehicle as claimed in claim 7, wherein: the shifting fork front rotating shaft (41) comprises a polished rod part (48) and a threaded part (49), the threaded part (49) is matched with a shifting fork threaded hole (54), and the polished rod part (48) is clamped on the inner side of the through hole (51).
9. A microminiature coaxial twin-paddle unmanned aerial vehicle as claimed in claim 1, wherein: the middle part of a variable-pitch shifting fork (42) is arranged on a shifting fork connecting rod (43) through a rotating shaft, a lower steering engine connecting rod (45) is arranged at the bottom of a base support (46), and the other end of the variable-pitch shifting fork (42) is connected with the lower steering engine connecting rod (45) through a third connecting rod (44).
10. A microminiature coaxial twin-paddle unmanned aerial vehicle as claimed in claim 1, wherein: the bottom of base support (46) is provided with down steering wheel (60), lower steering wheel (60) are installed on base support (46) through steering wheel mounting hole (53).
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| CN202011540180.4A CN112498686A (en) | 2020-12-23 | 2020-12-23 | Micro-miniature coaxial double-propeller unmanned aerial vehicle |
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| CN202011540180.4A CN112498686A (en) | 2020-12-23 | 2020-12-23 | Micro-miniature coaxial double-propeller unmanned aerial vehicle |
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