CN107416179B - Four-axis plant protection unmanned aerial vehicle convenient to transportation and loading and unloading - Google Patents
Four-axis plant protection unmanned aerial vehicle convenient to transportation and loading and unloading Download PDFInfo
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- CN107416179B CN107416179B CN201710680853.8A CN201710680853A CN107416179B CN 107416179 B CN107416179 B CN 107416179B CN 201710680853 A CN201710680853 A CN 201710680853A CN 107416179 B CN107416179 B CN 107416179B
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- 239000003814 drug Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 230000008439 repair process Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 7
- 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 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- -1 seeds Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/30—Parts of fuselage relatively movable to reduce overall dimensions of aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
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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)
- Remote Sensing (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to a four-axis plant protection unmanned aerial vehicle convenient to transport and assemble and disassemble, which comprises a frame main body, wherein the four corners of the frame main body are connected with cantilevers, the end parts of the cantilevers are connected with motors, the output shafts of the motors are connected with propellers, and the frame main body is connected with the cantilevers through rotating connecting pieces; the frame main part includes square frame, group battery and medical kit, and square frame includes two controller mounting boxes and two connection pipe fitting, and two opposite sides of connecting the pipe fitting all are provided with multiunit assembly pulley, and the medical kit setting is between two connection pipe fitting, and the medical kit middle part indent is formed with the mounting groove, and the group battery setting is in the mounting groove. The cantilever can be rotated to be tightly attached to the frame body in the carrying process, so that the carrying space is reduced. The frame main body is assembled by adopting a modularized structure, is convenient to assemble and disassemble, has clear structural classification, and is convenient for subsequent assembly, disassembly, maintenance and repair.
Description
Technical Field
The invention relates to an unmanned aerial vehicle, belongs to the technical field of unmanned aerial vehicles, and particularly relates to a four-axis plant protection unmanned aerial vehicle convenient to transport, assemble and disassemble.
Background
Unmanned aerial vehicles, abbreviated as "unmanned aerial vehicles", abbreviated as "UAVs", are unmanned aerial vehicles that are operated by means of radio remote control devices and self-contained programmed control devices, or are operated autonomously, either entirely or intermittently, by an onboard computer. [1]
Unmanned aircraft tend to be more suitable for tasks that are too "fooled, messy, or dangerous" than manned aircraft. Unmanned aerial vehicles can be classified into military and civilian applications according to the field of application. For military purposes, unmanned aerial vehicles are classified into reconnaissance and drones. In civil aspect, the unmanned aerial vehicle and the industrial application are really just needed by the unmanned aerial vehicle; at present, the unmanned aerial vehicle is applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer shooting, express delivery transportation, disaster relief, wild animal observation, infectious disease monitoring, mapping, news reporting, electric power inspection, disaster relief, video shooting, romantic manufacturing and the like, the application of the unmanned aerial vehicle is greatly expanded, and the developed countries are also actively expanding the application of industries and developing unmanned aerial vehicle technologies.
The unmanned plane consists of a flight platform (fixed wing, helicopter and multiaxial aircraft), a navigation flight control and a spraying mechanism, and realizes spraying operation by ground remote control or navigation flight control, and can spray medicaments, seeds, powder and the like.
According to the description of the market analysis and prospect prediction (2016 trial release) of the Chinese civil unmanned aerial vehicle by the space-time network 2016, the agricultural plant protection unmanned aerial vehicle in China is still in the starting stage at present, and the plant protection unmanned aerial vehicle in China has 695 frames in 2014 according to statistics, and the total operation area is 426 ten thousand mu; the plant protection unmanned aerial vehicle in China has 2324 frames (counted by 31 provinces) in 2015, the total working area is 1152.8 mu, and the increment range is 234% and 170.6% respectively. Although the fluctuation is obvious, the plant protection unmanned aerial vehicle system in China is not mature in the whole. [1] At present, the domestic plant protection unmanned aerial vehicle has uneven technology and product performance, and few products can meet the large-area high-strength plant protection spraying requirement.
Plant protection unmanned aerial vehicle is as emerging technical product, has been gradually applied to fields such as agriculture, planting industry, gardens environmental protection, and although the technique has tended to ripe, still has some problems or defects in the manufacturing, equipment and use in the plant protection unmanned aerial vehicle product of present day, like: 1. in the manufacturing process of the unmanned aerial vehicle, the main body, the cantilever, the propeller and the like are of an integrated structure, so that the unmanned aerial vehicle is inconvenient in the processing and transportation processes, and the damaged main body, cantilever or propeller is inconvenient to replace; 2. the main body of the unmanned aerial vehicle basically adopts an integrated structure, namely, a flight control system, a navigation system, a battery, various controllers, sensors, a medicine chest and the like of the unmanned aerial vehicle are integrated and built in a casing, so that the unmanned aerial vehicle is inconvenient to assemble and disassemble, and the whole casing can be replaced when a single electric device is damaged, so that the unmanned aerial vehicle is extremely troublesome, wastes time and labor, and is also unfavorable for maintenance. 3. The unmanned aerial vehicle is because the electrical components is more, so the wiring is complicated, very easily causes the circuit intertwine, and extremely chaotic is unfavorable for troubleshooting and maintenance, can cause the whole electrical components trouble that the circuit damage arouses even. 4. The unmanned aerial vehicle still needs to realize the connection of circuit simultaneously at the in-process of structure assembly, has brought inconvenience for the assembly to need look for corresponding circuit again when later changing electric device, structure, have brought inconvenience for assembly, maintenance. 5. The unmanned aerial vehicle main part is injection moulding's monolithic structure mostly, and its structure, size are manufactured and are accomplished promptly only inconvenient, to the environment of not using, spray the demand, then need adopt the model of different capacities, model, this certainly has restricted unmanned aerial vehicle's application range and field, can't satisfy unmanned aerial vehicle's extensive suitability requirement. 6. The frame on the unmanned aerial vehicle main part can't fold after the assembly, leads to taking up great space in the transportation, has wasted transportation material, has increased transportation cost. 7. The propeller of the existing unmanned aerial vehicle is generally directly installed at the end part of the cantilever through a motor, and the distance between the propeller and the main body cannot be selected according to the requirement, so that when the main body is 5, the corresponding cantilever also needs to be replaced, and the lifting force effect of the propeller on the propeller is met.
Based on the analysis of the technical problems, an unmanned aerial vehicle capable of solving the technical problems needs to be designed.
Disclosure of Invention
Based on the technical problems, the invention provides the four-axis plant protection unmanned aerial vehicle convenient to transport, assemble and disassemble, so that the technical problem that unmanned aerial vehicle cantilevers cannot be disassembled and folded, and the unmanned aerial vehicle is inconvenient to process, transport, maintain and repair in the prior art is solved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the four-axis plant protection unmanned aerial vehicle convenient for transportation and loading and unloading comprises a frame main body, wherein the four corners of the frame main body are respectively connected with a cantilever, the end parts of the cantilevers are connected with a motor, the output shaft of the motor is connected with a propeller,
wherein,,
the rack main body is connected with the cantilever through a rotating connecting piece, the rotating connecting piece comprises a main body frame movably connected with the rack main body, the main body frame is connected with a polygonal sleeve through a first rotating pin, and the cantilever is inserted into the polygonal sleeve;
the main body frame is also connected with a right-angle rotating plate, two right-angle edge ends of the right-angle rotating plate are respectively connected with a second rotating pin and a third rotating pin, the second rotating pin is rotationally connected with the main body frame, the third rotating pin is rotationally connected with a locking plate, two ends of the locking plate, which are positioned at the third rotating pin, are respectively a straight plate part and an arc plate part, and the straight plate part can be attached to any surface of the polygonal sleeve;
the two ends of the polygonal sleeve are respectively provided with a plugging end and a rotating end, a locking groove which is mutually locked with the straight plate part is further formed in the outer part of the rotating end, an open slot is formed in the plugging end along the length direction of the polygonal sleeve, connecting parts with through holes are symmetrically formed in the outer part of the open end of the plugging end, and cantilever inserted into the plugging end can be locked and fixed between the connecting parts through connecting pieces penetrating through the through holes of the connecting parts;
the rack main body comprises a square rack, a battery pack and a medicine box, wherein the square rack comprises two symmetrically arranged controller mounting boxes and two connecting pipe fittings connected between the two controller mounting boxes, a plurality of groups of pulley blocks are arranged on opposite side surfaces of the two connecting pipe fittings, the medicine box is arranged between the two connecting pipe fittings, the side surfaces of the medicine box are in sliding contact with the pulley blocks, a mounting groove is formed in the middle of the medicine box in a concave manner, the battery pack is arranged in the mounting groove, and the connecting pipe fittings at two ends of the battery pack are correspondingly provided with the pulley blocks; the rotating connecting piece is arranged on the outer side of the joint of the controller mounting box and the connecting pipe fitting.
As the optimization scheme of the technical scheme, the controller mounting box, the connecting pipe fitting and the cantilever are of hollow cavity structures with two open ends and hollow interiors, and the connecting ends of the rotating connecting piece, the controller mounting box, the connecting pipe fitting and the cantilever are also provided with openings.
As an optimization scheme of the technical scheme, the connecting pipe fittings at two ends of the battery pack are oppositely provided with power line sockets, the power line sockets are connected with electric devices in the controller installation box, and the battery pack is provided with connectors connected with the power line sockets.
As the optimization scheme of the technical scheme, the connecting pipe fitting is formed by mutually sleeving a plurality of sleeve pipes, sleeve pipe opening grooves are formed in any one end of each sleeve pipe along the length direction, sleeve pipe connecting parts with through holes are symmetrically arranged outside the opening ends of the sleeve pipe opening grooves, and sleeve pipes which are mutually sleeved can be fixed between the sleeve pipe connecting parts through sleeve pipe connecting parts penetrating through the through holes of the sleeve pipe connecting parts.
As the optimization scheme of above-mentioned technical scheme, the frame main part is still including setting up the machine foot in square frame lower extreme, the machine foot pass through the machine foot connecting piece with square frame is connected, the machine foot connecting piece include with square frame connection's fixed block and with the fixed block rotation board of being connected, the rotation board lower extreme is connected the machine foot, the rotation board upper end is provided with two cardboard of taking the bayonet socket apart, the inside fixture block that is provided with of fixed block, fixed block tip level is provided with two bolt pieces, and two bolt pieces run through in proper order and screw-thread fit fixed block and fixture block, thereby the bolt piece can drive fixture block horizontal migration card and go into or withdraw from the bayonet socket.
As an optimization scheme of the technical scheme, the part, located at the interval between the two clamping plates, of the middle part of the clamping block extends to the outer side of the fixed block to form the guide plate.
As the optimization scheme of above-mentioned technical scheme, the cantilever tip still is provided with the motor connecting piece, the motor connecting piece include with the lantern ring that the cantilever cup jointed and with the motor connecting plate that the lantern ring is connected, the lantern ring includes two U templates that set up relatively, and the open end of U template outwards extends and forms lantern ring connecting portion, and the lantern ring connecting portion passes through bolted connection and can tighten up U template, U template is inside to be the through-hole structure that matches with the cantilever appearance, the motor connecting plate is provided with motor mounting hole and annular setting in the louvre in the motor mounting hole outside.
As an optimization scheme of the technical scheme, the opening end of the cantilever end is also inserted with a baffle.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, the rotating connecting piece is arranged, so that the rack main body and the cantilever are rotationally connected, the assembly and the disassembly are more convenient, meanwhile, in the carrying process, the cantilever can be rotated to be closely attached to the rack main body, the carrying space is reduced, and then, when the rack main body or the cantilever is damaged, the rest parts can be used, so that the cost is further reduced; the frame main body is assembled by adopting a modularized structure, and is assembled on the main body after the controller mounting box, the battery pack and the medicine box are subjected to modularized design, so that the assembly and the disassembly are convenient, the structure classification is clear, and the subsequent assembly and the maintenance are convenient.
2. The controller mounting box, the connecting pipe fitting and the cantilever are hollow cavity structures with openings at two ends and hollow inside, so that the mounting box is convenient for mounting electric devices, and meanwhile, the electric device wiring and the battery pack wiring can be realized through the connecting pipe fitting and the cantilever internal wiring, so that the damage caused by the exposed circuit is avoided, the internal wiring is convenient to connect, the classification is clear, and the assembly and the maintenance are convenient.
3. According to the invention, the power line socket is directly connected with the battery pack, and is connected with the electric device in the controller installation box, so that the circuit connection is realized in the process of completing the assembly, a connecting circuit is not needed, the assembly process is simplified, the circuit investigation is convenient, and the assembly, the disassembly, the maintenance and the maintenance are also convenient.
4. The connecting pipe fitting is of a spliced structure, so that unmanned aerial vehicles with different sizes can be assembled for use according to spraying and environmental requirements, the unmanned aerial vehicles are more widely used, and the connecting pipe fitting is convenient to detach and overhaul lines during overhaul.
5. The machine leg is foldable, so that the transportation space of the unmanned aerial vehicle can be reduced, and the transportation cost is reduced.
6. The propeller is connected with the cantilever in a sleeving manner, the interval between the propeller and the main body can be adjusted according to the requirement, the spiral lifting force is changed, and the propeller can be applied to a narrower area.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a first schematic view of a rotational coupling;
FIG. 6 is a second schematic structural view of the rotary joint;
FIG. 7 is a first schematic view of the rotational connector with the body frame removed;
FIG. 8 is a second schematic view of the swivel joint removal body frame;
FIG. 9 is a third structural schematic view of the swivel joint removal body frame;
fig. 10 is a schematic structural view of the frame body;
FIG. 11 is a schematic structural view of the medicine box;
FIG. 12 is a schematic illustration of the construction of a ferrule;
FIG. 13 is a schematic view of the structure of the stand;
FIG. 14 is a schematic view of the structure of the foot link;
FIG. 15 is a schematic view of the structure of the foot link with the fixed block removed;
FIG. 16 is a schematic view of an assembled structure of the cantilever;
FIG. 17 is a first schematic structural view of the motor coupling;
FIG. 18 is a second schematic structural view of the motor coupling;
the reference numerals in the figures are respectively: 1. a battery pack; 2. a medicine box; 3. a frame body; 4. rotating the connecting piece; 5. a cantilever; 6. a propeller; 7. a motor; 8. a main body frame; 9. a first rotation pin; 10. a polygonal sleeve; 11. a locking plate; 12. a right angle rotating plate; 13. a second rotation pin; 14. a plug end; 15. an arc plate portion; 16. a third rotation pin; 17. a straight plate portion; 18. a locking groove; 19. a rotating end; 20. a connection part; 21. an open slot; 22. pulley block; 23. a power cord jack; 24. connecting the pipe fittings; 25. a controller mounting box; 26. a mounting groove; 27. a ferrule; 28. a ferrule connection; 29. a machine foot connecting piece; 30. a machine foot; 31. a fixed block; 32. a rotating plate; 33. a clamping block; 34. a clamping plate; 35. a guide plate; 36. a bolt member; 37. a baffle; 38. a motor connector; 39. a collar; 40. a motor connecting plate; 41. a collar connection portion; 42. a U-shaped plate; 43. a motor mounting hole; 44. and the heat dissipation holes.
Detailed Description
The invention is further described below with reference to the accompanying drawings. Embodiments of the present invention include, but are not limited to, the following examples.
As shown in fig. 1-18, a four-axis plant protection unmanned aerial vehicle convenient to transport and assemble and disassemble comprises a frame main body 3, wherein the four corners of the frame main body 3 are respectively connected with a cantilever 5, the end part of the cantilever 5 is connected with a motor 7, the output shaft of the motor 7 is connected with a propeller 6, the frame main body 3 is connected with the cantilever 5 through a rotary connecting piece 4, the rotary connecting piece 4 comprises a main body frame 8 movably connected with the frame main body 3, the main body frame 8 is connected with a polygonal sleeve 10 through a first rotary pin 9, and the cantilever 5 is inserted into the polygonal sleeve 10; the main body frame 8 is also connected with a right-angle rotating plate 12, two right-angle edge ends of the right-angle rotating plate 12 are respectively connected with a second rotating pin 13 and a third rotating pin 16, the second rotating pin 13 is rotationally connected with the main body frame 8, the third rotating pin 16 is rotationally connected with a locking plate 11, two ends of the locking plate 11, which are positioned at the third rotating pin 16, are respectively provided with a straight plate part 17 and an arc plate part 15, and the straight plate part 17 can be attached to any surface of the polygonal sleeve 10; the two ends of the polygonal sleeve 10 are respectively provided with a plugging end 14 and a rotating end 19, a locking groove 18 which is mutually locked with the straight plate part 17 is further arranged outside the rotating end 19, the plugging end 14 is provided with an open slot 21 along the length direction of the polygonal sleeve, the plugging end 14 is positioned outside the open end of the open slot 21 and is symmetrically provided with a connecting part 20 with a through hole, and the cantilever 5 plugged in the plugging end 14 can be locked and fixed between the connecting parts 20 through a connecting piece penetrating through the through hole; the rack main body 3 comprises a square rack, a battery pack 1 and a medicine box 2, wherein the square rack comprises two symmetrically arranged controller mounting boxes 25 and two connecting pipe fittings 24 connected between the two controller mounting boxes 25, a plurality of groups of pulley blocks 22 are arranged on opposite side surfaces of the two connecting pipe fittings 24, the medicine box 2 is arranged between the two connecting pipe fittings 24 and in sliding contact with the pulley blocks 22 on the side surfaces, a mounting groove 26 is formed in the middle of the medicine box 2 in a concave manner, the battery pack 1 is arranged in the mounting groove 26, and the pulley blocks 22 are corresponding to the connecting pipe fittings 24 at two ends of the battery pack 1; the rotary connector 4 is arranged outside the joint of the controller mounting box 25 and the connecting pipe fitting 24.
The cantilever of this embodiment is connected on the frame main part through rotating the connecting piece, and it includes two states:
1. locking state: the cantilever 5 is inserted into the plugging end 14, the cantilever 5 is locked between the two connecting parts 20 through connecting pieces (bolts, screws, fixing pins and the like) penetrating through holes, the polygonal sleeve 10 is rotated to rotate around the first rotating pin 9 towards the right-angle rotating plate 12, then the right-angle rotating plate 12 is rotated to rotate around the second rotating pin 13, when the locking plate 11 is contacted with the surface of the polygonal sleeve 10, the end part of the straight plate part 17 is clamped into the locking groove 18, then the polygonal sleeve 10 is reversely rotated, and in the rotating process, the straight plate part 17 is gradually tightly attached to any surface of the polygonal sleeve 10 to form surface contact until the polygonal sleeve 10 cannot be circumferentially rotated any more, the polygonal sleeve 10 is locked, and the cantilever 5 is installed.
2. The rotation state is as follows: the arc plate 15 is pressed, the surface of the straight plate 17, which is tightly attached to the polygonal sleeve 10, is separated, the end of the straight plate 17 is tilted up in the locking groove 18, a certain rotation gap is formed between the straight plate 17 and the locking groove 18, the polygonal sleeve 10 is rotated around the first rotation pin 9 to rotate towards the right angle rotation plate 12, the polygonal sleeve 10 can rotate for a gap distance, the arc plate 15 is pressed again after rotation, the surface of the straight plate 17, which is tightly attached to the polygonal sleeve 10, is separated again, the end of the straight plate 17 is tilted up again in the locking groove 18 to form a rotation gap, then the distance of the rotation gap is rotated again, until the end of the straight plate 17 exits the locking groove 18, the right angle rotation plate 12 is rotated until the locking plate 11 is completely separated from the polygonal sleeve 10 around the second rotation pin 13, the polygonal sleeve 10 is in a free state capable of rotating circumferentially, the cantilever 5 is driven to be attached to the side surface of the frame body 3, and the cantilever 5 can be detached from the connecting piece 20.
The connection of cantilever 5 can be realized through rotating connecting piece 4 to can lock its position, guarantee the stable demand of flight, but simultaneously also unblock makes cantilever 5 free rotation, thereby can rotate cantilever 5 to frame main part 3 side and paste closely with it in the handling, thereby reduce unmanned aerial vehicle transport space, the transport is more convenient, also can protect cantilever 5 and screw 6, secondly, after frame main part 3 or cantilever 5 damage, other parts still can be used, further reduce cost, and cantilever 5 adopts the grafting mode also convenient loading and unloading and change.
The controller installation box 25, the battery pack 1 and the medicine chest 2 are assembled on the main body after being modularly designed, the structure is classified, the assembly and disassembly methods are simple, the pulley block 22 is arranged on the inner side of the square rack, the assembly and disassembly are very convenient, meanwhile, the two controller installation boxes 25 are respectively provided with a required flight control system, a navigation system, an irrigation control system and the like, each system is independently arranged on the controller installation box 25, the processing, the assembly, the disassembly and the maintenance are convenient, the lines are clear and are not disordered, and the damage caused by the line confusion can be reduced.
Based on the above embodiments, the controller mounting box 25, the connecting pipe 24 and the cantilever 5 are hollow cavity structures with two open ends, and the connecting ends of the rotating connecting piece 4, the controller mounting box 25, the connecting pipe 24 and the cantilever 5 are all provided with openings. The connection circuit of the electric device can be arranged inside the connecting pipe fitting 24 and the cantilever 5, so that the wiring and the overhaul are convenient.
Based on the above embodiment, the connecting pipe fittings 24 at two ends of the battery pack 1 are oppositely provided with the power line jack 23, the power line jack 23 is connected with an electric device in the controller installation box 25, and the battery pack 1 is provided with a connector connected with the power line jack 23. In the embodiment, the power line socket 23 is directly matched and connected with the battery pack 1, and the connection of the circuit lines is completed when the battery pack 1 is assembled, so that the connection of electric devices is simplified, the assembly time is saved, and the subsequent maintenance and repair are also convenient.
Based on the above embodiment, the connecting pipe 24 is formed by mutually sleeving a plurality of sleeved pipes 27, any end of the sleeved pipe 27 is provided with a sleeved pipe opening groove along the length direction, sleeved pipe connecting parts 28 with through holes are symmetrically arranged outside the opened end of the sleeved pipe opening groove, and sleeved pipes 27 which are mutually sleeved can be fixed between the sleeved pipe connecting parts 28 through sleeved pipe connecting parts penetrating through the through holes of the sleeved pipe connecting parts. The sleeved pipes 27 are mutually sleeved and can form connecting pipe fittings 24 with different lengths, so that the size of the unmanned aerial vehicle can be changed according to the use environment, irrigation quantity and the like, and the requirements of different use environments are ensured.
Based on the above embodiment, the frame main body 3 further includes a machine foot 30 disposed at the lower end of the square frame, the machine foot 30 is connected with the square frame through a machine foot connecting piece 29, the machine foot connecting piece 29 includes a fixed block 31 connected with the square frame and a rotating plate 32 rotationally connected with the fixed block 31, the lower end of the rotating plate 32 is connected with the machine foot 30, two clamping plates 34 with clamping openings are disposed at the upper end of the rotating plate 32, a clamping block 33 is disposed inside the fixed block 31, two bolt pieces 36 are horizontally disposed at the end of the fixed block 31, and the two bolt pieces 36 sequentially penetrate through and are in threaded fit with the fixed block 31 and the clamping block 33, and the bolt pieces 36 can drive the clamping blocks 33 to horizontally move so as to clamp into or withdraw from the clamping openings.
When the unmanned aerial vehicle is carried or assembled and disassembled, the rotatable bolt piece 36 drives the clamping block 33 to translate, so that the clamping block 33 is clamped into or withdrawn from the bayonet, the rotating plate 32 is locked or unlocked, the stand 30 is conveniently fixed or rotated so as to be folded, and the state change of the stand 30 is realized.
On the basis of the above embodiment, the portion of the middle part of the clamping block 33 located at the interval between the two clamping plates 34 extends to the outer side of the fixed block 31 to form a guide plate 35. The guide plate 35 can be positioned at the interval between the two clamping plates 34 to translate, so that the clamping block 33 can translate all the time in the process of rotating the bolt piece 36, and is convenient for clamping in or out of the bayonet.
Based on the above embodiment, the end of the cantilever 5 is further provided with a motor connecting piece 38, the motor connecting piece 38 includes a collar 39 sleeved with the cantilever 5 and a motor connecting plate 40 connected with the collar 39, the collar 39 includes two opposite U-shaped plates 42, the open ends of the U-shaped plates 42 extend outwards to form a collar connecting portion 41, the collar connecting portion 41 is connected through bolts and can tighten the U-shaped plates 42, the inside of the U-shaped plates 42 is a through hole structure matched with the shape of the cantilever 5, and the motor connecting plate 40 is provided with a motor mounting hole 43 and a heat dissipation hole 44 annularly arranged outside the motor mounting hole 43. The lantern ring 39 can be tightened on the cantilever 5 through bolts, the cantilever 5 with different lengths can be arranged according to the requirements, the lantern ring 39 can also be sleeved on the cantilever 5 with different lengths, the motor 7 of the propeller 6 is directly arranged on the motor connecting plate 40 through bolts, the lower end of the motor 7 is arranged in the motor mounting hole 43 for positioning, and the heat dissipation of the motor is increased through the heat dissipation hole 44.
On the basis of the above embodiment, the opening end of the end part of the cantilever 5 is also inserted with a baffle 37. The baffle 37 is directly inserted into the end part of the cantilever 5, so that the reverse force of the propeller 6 is prevented from driving the lantern ring 39 to slide along the end part of the cantilever 5 during flight, the displacement and falling of the propeller 6 are avoided, and the safety of the unmanned aerial vehicle can be increased.
The above-described embodiments of the present invention. The foregoing description of the preferred embodiments of the present invention is not obvious contradiction or on the premise of a certain preferred embodiment, and the preferred embodiments can be arbitrarily overlapped and combined, and the embodiments and specific parameters in the embodiments are only for clearly describing the invention verification process of the inventor, and are not intended to limit the scope of the invention, and the scope of the invention is still subject to the claims, and all equivalent structural changes made by applying the specification and the content of the drawings of the present invention are included in the scope of the invention.
Claims (6)
1. Four-axis plant protection unmanned aerial vehicle convenient to transportation and loading and unloading, including frame main part (3), four corners of frame main part (3) are connected with cantilever (5) respectively, and cantilever (5) end connection has motor (7), and motor (7) output shaft has screw (6), its characterized in that:
wherein,,
the machine frame body (3) is connected with the cantilever (5) through a rotary connecting piece (4), the rotary connecting piece (4) comprises a body frame (8) movably connected with the machine frame body (3), the body frame (8) is connected with a polygonal sleeve (10) through a first rotary pin (9), and the cantilever (5) is spliced in the polygonal sleeve (10);
the right-angle rotating plate (12) is further connected to the main body frame (8), two right-angle edge ends of the right-angle rotating plate (12) are respectively connected with a second rotating pin (13) and a third rotating pin (16), the second rotating pin (13) is rotationally connected with the main body frame (8), the third rotating pin (16) is rotationally connected with a locking plate (11), the locking plate (11) is located at two ends of the third rotating pin (16) and is respectively provided with a straight plate part (17) and an arc plate part (15), and the straight plate part (17) can be attached to any surface of the polygonal sleeve (10);
the two ends of the polygonal sleeve (10) are respectively provided with a plugging end (14) and a rotating end (19), a locking groove (18) which is mutually locked with the straight plate part (17) is further formed in the outer part of the rotating end (19), the plugging end (14) is provided with an open slot (21) along the length direction of the polygonal sleeve, connecting parts (20) with through holes are symmetrically formed in the outer part of the plugging end (14) positioned at the open end of the open slot (21), and cantilever (5) plugged in the plugging end (14) can be locked and fixed between the connecting parts (20) through connecting pieces penetrating through the through holes;
the rack main body (3) comprises a square rack, a battery pack (1) and a medicine box (2), wherein the square rack comprises two symmetrically arranged controller installation boxes (25) and two connecting pipe fittings (24) connected between the two controller installation boxes (25), a plurality of groups of pulley blocks (22) are arranged on opposite side surfaces of the two connecting pipe fittings (24), the medicine box (2) is arranged between the two connecting pipe fittings (24) and is in sliding contact with the pulley blocks (22), an installation groove (26) is formed in the middle of the medicine box (2) in a concave manner, the battery pack (1) is arranged in the installation groove (26), and the pulley blocks (22) are correspondingly arranged on the connecting pipe fittings (24) at two ends of the battery pack (1); the rotary connecting piece (4) is arranged at the outer side of the joint of the controller installation box (25) and the connecting pipe fitting (24); the controller installation box (25), the connecting pipe fitting (24) and the cantilever (5) are hollow cavity structures with openings at two ends and hollow inside, and the rotating connecting piece (4) is provided with openings at the same time as the connecting ends of the controller installation box (25), the connecting pipe fitting (24) and the cantilever (5); the connecting pipe fitting (24) is formed by mutually sleeving a plurality of sleeve pipes (27), sleeve pipe opening grooves are formed in any one end of each sleeve pipe (27) along the length direction, sleeve pipe connecting parts (28) with through holes are symmetrically arranged outside the opening ends of the sleeve pipe opening grooves, and sleeve pipe connecting parts (28) can fix the sleeve pipes (27) which are mutually sleeved through sleeve pipe connecting parts penetrating through the through holes of the sleeve pipe connecting parts.
2. The four-axis plant protection unmanned aerial vehicle convenient to transport and assemble and disassemble according to claim 1, wherein the connecting pipe fittings (24) at two ends of the battery pack (1) are provided with power line sockets (23) relatively, the power line sockets (23) are connected with electric devices in the controller installation box (25), and the battery pack (1) is provided with connectors connected with the power line sockets (23).
3. The four-axis plant protection unmanned aerial vehicle convenient to transport and assemble and disassemble according to claim 1, wherein the frame main body (3) further comprises a machine foot (30) arranged at the lower end of the square frame, the machine foot (30) is connected with the square frame through a machine foot connecting piece (29), the machine foot connecting piece (29) comprises a fixed block (31) connected with the square frame and a rotating plate (32) rotationally connected with the fixed block (31), the lower end of the rotating plate (32) is connected with the machine foot (30), two clamping plates (34) with clamping holes are arranged at the upper end of the rotating plate (32), clamping blocks (33) are arranged inside the fixed block (31), two bolt pieces (36) are horizontally arranged at the end parts of the fixed block (31), the two bolt pieces (36) sequentially penetrate through and are in threaded fit with the fixed block (31) and the clamping blocks (33), and the bolt pieces (36) can drive the clamping blocks (33) to horizontally move so as to clamp or withdraw from the clamping holes.
4. The four-axis plant protection unmanned aerial vehicle convenient to transport and assemble and disassemble according to claim 3, wherein the part of the middle part of the clamping block (33) positioned at the interval between the two clamping plates (34) extends to the outer side of the fixed block (31) to form a guide plate (35).
5. The four-axis plant protection unmanned aerial vehicle convenient to transport and assemble and disassemble according to claim 1, wherein the end part of the cantilever (5) is further provided with a motor connecting piece (38), the motor connecting piece (38) comprises a lantern ring (39) sleeved with the cantilever (5) and a motor connecting plate (40) connected with the lantern ring (39), the lantern ring (39) comprises two oppositely arranged U-shaped plates (42), the opening end of the U-shaped plates (42) extends outwards to form a lantern ring connecting part (41), the lantern ring connecting part (41) is connected through bolts and can tighten the U-shaped plates (42), the U-shaped plates (42) are internally provided with a through hole structure matched with the appearance of the cantilever (5), and the motor connecting plate (40) is provided with a motor mounting hole (43) and a radiating hole (44) annularly arranged outside the motor mounting hole (43).
6. The four-axis plant protection unmanned aerial vehicle convenient to transport and assemble and disassemble according to claim 5, wherein the opening end of the end part of the cantilever (5) is also inserted with a baffle plate (37).
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| CN201710680853.8A CN107416179B (en) | 2017-08-10 | 2017-08-10 | Four-axis plant protection unmanned aerial vehicle convenient to transportation and loading and unloading |
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| CN201710680853.8A CN107416179B (en) | 2017-08-10 | 2017-08-10 | Four-axis plant protection unmanned aerial vehicle convenient to transportation and loading and unloading |
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| CN107416179B true CN107416179B (en) | 2023-08-08 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109383741A (en) * | 2018-11-15 | 2019-02-26 | 航天神舟飞行器有限公司 | A kind of multi-rotor unmanned aerial vehicle cantilever fast folding retaining mechanism |
| CN109436288A (en) * | 2018-12-13 | 2019-03-08 | 广州极飞科技有限公司 | Rack and aircraft for aircraft |
| CN113875724A (en) * | 2021-11-17 | 2022-01-04 | 镇江万山红遍农业园 | Peach is planted and is used pest control appearance |
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| CN106741840A (en) * | 2016-12-30 | 2017-05-31 | 易瓦特科技股份公司 | Plant protection unmanned plane |
| CN206218199U (en) * | 2016-11-23 | 2017-06-06 | 广州天翔航空科技有限公司 | A kind of axle unmanned plane of plant protection four |
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| CN207311810U (en) * | 2017-08-10 | 2018-05-04 | 河南谷翼自动化科技有限公司 | A kind of four axis plant protection unmanned planes for being readily transported and loading and unloading |
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| WO2017121038A1 (en) * | 2016-01-14 | 2017-07-20 | 骅星科技发展有限公司 | Novel folding unmanned aerial vehicle |
| CN206218199U (en) * | 2016-11-23 | 2017-06-06 | 广州天翔航空科技有限公司 | A kind of axle unmanned plane of plant protection four |
| CN106741840A (en) * | 2016-12-30 | 2017-05-31 | 易瓦特科技股份公司 | Plant protection unmanned plane |
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