CN113353243A - From multi-functional unmanned aerial vehicle commodity circulation car of becoming wing - Google Patents
From multi-functional unmanned aerial vehicle commodity circulation car of becoming wing Download PDFInfo
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- CN113353243A CN113353243A CN202110875727.4A CN202110875727A CN113353243A CN 113353243 A CN113353243 A CN 113353243A CN 202110875727 A CN202110875727 A CN 202110875727A CN 113353243 A CN113353243 A CN 113353243A
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- 239000004917 carbon fiber Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/38—Adjustment of complete wings or parts thereof
- B64C3/54—Varying in area
- B64C3/546—Varying in area by foldable elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F5/00—Other convertible vehicles, i.e. vehicles capable of travelling in or on different media
- B60F5/02—Other convertible vehicles, i.e. vehicles capable of travelling in or on different media convertible into aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/38—Adjustment of complete wings or parts thereof
- B64C3/56—Folding or collapsing to reduce overall dimensions of aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C37/00—Convertible aircraft
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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
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/25—Fixed-wing aircraft
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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
- B64U30/10—Wings
- B64U30/12—Variable or detachable wings, e.g. wings with adjustable sweep
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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
- B64U2101/60—UAVs specially adapted for particular uses or applications for transporting passengers; for transporting goods other than weapons
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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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Abstract
The invention discloses a self-wing-changing multifunctional unmanned aerial vehicle logistics vehicle, and belongs to the technical field of unmanned aerial vehicle transportation. It includes fuselage, folding main wing, flexible winglet, aileron, undercarriage, back fuselage frame, horizontal tail and vertical tail, the fuselage both sides all set up folding main wing, set up in the folding main wing flexible winglet, flexible winglet downside sets up the aileron, the fuselage bottom sets up the undercarriage, the fuselage rear portion sets up back fuselage frame, connect on the back fuselage frame horizontal tail, horizontal tail both sides all set up the vertical tail. The invention has the functions of folding and extending wings, is quick to transport and large in bearing capacity, and can adapt to various transport working conditions.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicle transportation, in particular to a self-wing-changing multifunctional unmanned aerial vehicle logistics vehicle.
Background
With the rise of the online shopping, the proportion of online shopping of people rises sharply, and in the face of the sharply rising online shopping force, higher requirements on the speed, accuracy and the like of goods transportation are provided, and the goods transportation capability faces huge challenges. In the face of the problem of difficulty in transporting goods in regions far away from urban transportation, a logistics transport vehicle which is rapid, large in bearing capacity and suitable for various transportation working conditions is urgently needed.
Patent document CN 110588981 a discloses a high-stability unmanned aerial vehicle for logistics transportation, which comprises a main body, two support frames and two flying devices, the main body is internally provided with a lifting mechanism and a fixing mechanism, the lifting mechanism comprises a lifting plate, a camera and two lifting components, the lifting component comprises a slideway, a telescopic frame, a guide rod, two racks, two moving blocks, two driving components and two sliding blocks, the fixing mechanism comprises a connecting box, a power component, two suckers and two connecting pipes, the unmanned aerial vehicle equipment with high stability for logistics transportation can carry out identity verification on a pickup person through the lifting mechanism, reduces the probability of goods transportation errors, improves the safety of the unmanned aerial vehicle, through fixed establishment, realized the function fixed to the goods, avoided the freight to take place to rock the collision and damage on the way. However, the unmanned aerial vehicle has limited carrying capacity and single function.
The patent document with publication number CN 109625284A discloses a high-efficiency unmanned aerial vehicle for logistics distribution, which comprises a main body, a plurality of transportation devices and a plurality of flight mechanisms, wherein each transportation device comprises an adjusting mechanism, an adjusting plate and a transportation mechanism, each adjusting mechanism comprises a connecting rod, a rotating plate, a rotating assembly and a translation assembly, each translation assembly comprises a first motor, a bearing, a lead screw and a translation block, each transportation mechanism comprises a detection assembly, a detection plate, a lifting assembly, a lifting plate, an air pump and a plurality of fixing assemblies, each fixing assembly comprises an air cylinder, a piston, a vertical plate, a bottom plate and a fixing unit, the high-efficiency unmanned aerial vehicle for logistics distribution, which has stable flight, facilitates the loading and unloading of cargos through the transportation mechanisms, facilitates the transportation of a plurality of cargos carried by equipment at one time, improves the logistics distribution efficiency, and not only, controls the position of the adjusting plate through a weight adjusting mechanism for detecting cargos, thereby the focus of adjusting equipment is located the central axis of main part, and the equipment of being convenient for carries out steady flight, has improved the practicality of equipment. However, the present invention also fails to solve the above-mentioned technical problems.
Disclosure of Invention
In view of the above, the invention provides a fast, high-bearing-capacity, and multi-functional unmanned aerial vehicle logistics vehicle with variable wings, which can adapt to various transportation conditions, aiming at the defects of the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a from multi-functional unmanned aerial vehicle commodity circulation car of change wing, includes fuselage, folding host wing, flexible winglet, aileron, undercarriage, back fuselage frame, horizontal tail and vertical tail, the fuselage both sides all set up folding host wing, set up in the folding host wing flexible winglet, flexible winglet downside sets up the aileron, the fuselage bottom sets up the undercarriage, the fuselage rear portion sets up back fuselage frame, connect on the back fuselage frame the horizontal tail, the horizontal tail both sides all set up the vertical tail.
Further, folding main wing includes main wing and folding actuating mechanism, folding actuating mechanism includes first steering wheel, first drive gear, gear shaft, carbon pipe, first gear, second gear, wing connecting piece and fuselage connection fastener, set up on the output shaft of first steering wheel first drive gear, first drive gear with the transmission is connected to the gear shaft, the gear shaft both ends all set up first gear, the carbon pipe passes through fuselage connection fastener with the fuselage is connected, the carbon pipe both ends all set up the second gear, and first gear and second gear are connected the transmission, the carbon pipe passes through the wing connecting piece with the main wing is connected.
Furthermore, the telescopic winglet comprises a telescopic actuating mechanism, a link mechanism and a plurality of wing plates, wherein the telescopic actuating mechanism is of a gear rack structure or a three-section rocker structure, the link mechanism comprises a plurality of X-shaped connecting rods, two adjacent X-shaped connecting rods are hinged with each other, the plurality of wing plates are uniformly distributed in the plurality of X-shaped connecting rods which are hinged with each other, strip-shaped holes are formed in the wing plates, upper hinge points of two adjacent X-shaped connecting rods penetrate through the strip-shaped holes, the lower ends of two adjacent X-shaped connecting rods are hinged to two sides of each wing plate respectively, and the two X-shaped connecting rods at two ends are provided with rollers and positioning blocks; the X-shaped connecting rod comprises a first connecting rod and a second connecting rod, wherein the middle parts of the first connecting rod and the second connecting rod are hinged to each other.
Furthermore, the gear rack structure comprises a second steering engine, a second transmission gear and a rack, the second transmission gear is arranged on an output shaft of the second steering engine, the rack is arranged on the upper portion of one of the rollers, and the rack is connected with the second transmission gear for transmission.
Furthermore, the three-section rocker structure comprises a second steering engine, a rocker, a straight rod, a limiting block and a connecting piece, wherein the rocker comprises a first rod body and a second rod body, the end parts of the first rod body and the second rod body are hinged, the first rod body is fixedly connected with a rotating shaft of the second steering engine, the second rod body is hinged with the straight rod, the limiting block is arranged on the wing plate, a through hole is formed in the limiting block, the straight rod penetrates through the through hole, and the end part of the straight rod is connected with one of the rollers through the connecting piece.
Further, the quantity of fastener is connected to the fuselage is two, sets up respectively the both sides of wing connecting piece, the both ends of gear shaft all set up the shaft coupling, the shaft coupling is located the first gear outside, fuselage connection fastener lower part one side with the coupling joint, the opposite side pass through the bolt with the fuselage is connected.
Further, the horizontal tail comprises a horizontal stabilizing surface and an elevator, and the elevator is arranged on the rear side of the horizontal stabilizing surface; the vertical fin comprises a vertical stabilizing surface and a rudder, and the rudder is arranged on the rear side of the vertical stabilizing surface.
Furthermore, the inside support additional strengthening that sets up of main wing, support additional strengthening including a plurality of backup pads and a plurality of rhombus connecting rod, adjacent two the backup pad is through one the rhombus connecting rod is connected.
Furthermore, the undercarriage comprises a front undercarriage and a rear undercarriage, the front undercarriage comprises a third steering engine, a third transmission gear, a steering connecting rod, a transmission rack, a gear fixing seat, a first landing seat, first wheels and first damping mechanisms, the first wheels are arranged on two sides of the first landing seat, the gear fixing seat is arranged in the middle of the first landing seat, the third steering engine is arranged on the gear fixing seat, the third transmission gear is arranged on an output shaft of the third steering engine and is connected with the transmission rack for transmission, two ends of the transmission rack are connected with the steering connecting rod, the two steering connecting rods are respectively connected with the two first wheels, and the first landing seat is provided with the two first damping mechanisms; the rear landing gear comprises a second landing gear seat, second wheels and second damping mechanisms, wherein the second wheels are arranged on two sides of the second landing gear seat, and the second landing gear seat is provided with two second damping mechanisms; the first damping mechanism and the second damping mechanism which are positioned on the same side are connected through a carbon fiber pipe.
Further, first damper and second damper structure are the same, all include connecting block, damping spring, shock attenuation connecting rod, the fixed knot of shock attenuation and shock attenuation fixed axle, set up under the connecting block the shock attenuation fixed axle, shock attenuation fixed axle lower extreme is fixed in the landing gear seat, the cover is established on the shock attenuation fixed axle damping spring, the upper and lower both ends of damping spring all set up the shock attenuation is fixed to be detained, two the fixed side of detaining of shock attenuation is all articulated one the damping connecting rod, two the damping connecting rod is articulated each other.
With the rapid development of unmanned aerial vehicle technology, an unmanned aerial vehicle applying the unmanned aerial vehicle to the field of logistics transportation also receives wide attention, and technicians in the industry generally consider improving the stability of the logistics vehicle to protect the safety of articles when researching and developing the unmanned aerial vehicle, such as an unmanned aerial vehicle device with high reliability for logistics disclosed in chinese patent publication No. CN 109795695 a, which comprises a main body, a carrying box and four rotors, wherein the rotors are arranged at the top of the main body, a driving device is arranged in the main body, the driving device is in transmission connection with the rotors, the carrying box has a U-shaped vertical cross section, an opening of the U-shaped cross section of the carrying box is arranged upward, the carrying box is cylindrical, the carrying box is vertically arranged, the carrying box is arranged at the bottom of the main body, a buffer mechanism is arranged in the carrying box, and two connecting mechanisms are arranged on the carrying box, two coupling mechanism set up respectively in the both sides of carrying the thing case, and this an unmanned aerial vehicle device for reliability of commodity circulation is high has realized the buffering effect to the article through buffer gear, avoids the article to damage because of jolting, has improved the reliability, moreover, has still improved the stability of carrying thing case and main part connection through coupling mechanism. Also as disclosed in chinese patent publication No. CN 109677617 a, a stable unmanned aerial vehicle transportation device for logistics distribution includes a main body, at least two flying mechanisms, and further includes an anti-splashing mechanism and a reinforcing mechanism, the anti-splashing mechanism includes a connection ring, a storage box, two support plates, two first connection rods, two first bearing seats, two second connection rods, and two second bearing seats, the reinforcing mechanism includes two guide rails and two clamping assemblies, the clamping assemblies include a clamping plate, a driving unit, a sliding rod, two sliding blocks, two sliding sleeves, two transmission rods, and two springs, in the stable unmanned aerial vehicle transportation device for logistics distribution, the storage box is always in a vertical state during shaking process by the anti-splashing mechanism, thereby reducing the probability of splashing liquid cargo, and the two clamping plates are driven to move by the reinforcing mechanism, thereby improved the stability of goods under the clamping action of two grip blocks, reduced the probability that the goods takes place the damage. Therefore, the unmanned aerial vehicle logistics vehicle designed by the application can also walk or fly through folding or stretching while ensuring the transportation stability so as to adapt to different transportation conditions, improve the logistics flexibility and the quickness, and is not easy to think of by the technical personnel in the field.
Compared with the prior art, the invention has the following beneficial effects:
the automatic wing-changing multifunctional unmanned aerial vehicle logistics vehicle disclosed by the invention has the advantages of capability of completing transportation work under complex working conditions by adopting air-ground dual-purpose, functions of folding and extending wings, high execution speed, small aircraft placing area, large freight volume, good stability, light weight and the like. The invention has two postures, the first posture is that when the wings are folded, the wing can be used as a freight trolley, the wing has a flexible steering function on the ground, and the wing has a damping effect on a landing gear on a complex road surface. When the second kind of gesture was the wing expansion, can regard as unmanned aerial vehicle to use this moment, and unmanned aerial vehicle adopts the fixed wing aircraft, and the transport speed is fast, and the transportation volume is big, and the vertical fin is two vertical tails, and stability is better. The invention has three modes of expansion, expansion and folding, and can freely switch different modes to deal with different kinds of transportation problems in the face of various conditions such as large transportation volume, complex road conditions and the like.
In addition, the folding executing mechanism of the folding main wing is in gear transmission connection, the gear transmission connection has the advantages of high reliability, large bearing capacity, accurate transmission ratio, long service life and the like, the carbon tube is driven to axially rotate through two-stage transmission, so that the wing folding function is realized, and the gear transmission design of the folding main wing meets the requirements of large wing root stress, accurate folding execution and good folding stability of the folding main wing.
In addition, the telescopic winglet disclosed by the invention has the advantages that the telescopic actuating mechanism drives the wing plates to move through the connecting rod mechanism so as to realize telescopic action, the telescopic actuating mechanism adopts two mechanism designs, the first mechanism is in a gear and rack structure, and the second mechanism is in a rocker structure; the gear rack structure is connected by adopting a gear rack, the steering engine is controlled to rotate axially by the aircraft controller, the transverse movement of the rack along the X axis is realized, and then the transverse movement of the pulley is pushed to enable the connecting rod in the telescopic winglet to perform telescopic movement along the Y axis; the three-section rocker structure is controlled by a steering engine, the steering engine rotates clockwise along an XZ plane to drive the rocker and the straight rod to move forwards along the X axis in the positive direction to drive the roller to move in a coordinated mode, so that the X-shaped connecting rod contracts, otherwise, the X-shaped connecting rod can expand, and the mechanism is simple to execute and easy to manufacture. The telescopic winglet disclosed by the invention has the advantages that the load of the wing is distributed and borne after the telescopic winglet is unfolded, and the load bearing performance is good; a plurality of X-shaped connecting rods are adopted, so that the telescopic distance is long; connecting rod structure both ends set up the gyro wheel, and flexible execution resistance is little, can guarantee that telescopic motion's execution can not take place the card pause phenomenon rapidly, and the rapidity and the continuity of telescopic motion execution all have huge influence to the winglet vibration that takes place to warp the wing, and the rapidity and the good of continuity of telescopic motion execution can be with winglet deformation wing in-process vibration reduction to minimum to the reinforcing is to flight in-process stability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the folding main wing, the telescopic winglet and the aileron of the invention;
FIG. 3 is a schematic structural view of the folding main wing of the present invention;
FIG. 4 is a schematic structural view of a telescoping winglet according to the invention;
FIG. 5 is a partial schematic view of the attachment of the folding main wing to the fuselage of the present invention;
FIG. 6 is a schematic structural view of the linkage mechanism of the present invention;
FIG. 7 is a schematic structural view of a rack and pinion arrangement of the present invention;
FIG. 8 is a schematic view of the construction of the horizontal tail of the present invention;
FIG. 9 is a schematic view of the construction of the inventive tag;
FIG. 10 is a schematic view of the linkage mechanism of the present invention coupled to a three-segment rocker structure;
FIG. 11 is a schematic structural view of a three-segment rocker structure of the present invention;
FIG. 12 is a schematic structural view of the support reinforcement structure of the present invention;
FIG. 13 is a schematic view of the internal structure of the main wing of the present invention;
FIG. 14 is a schematic view of the front landing gear of the present invention;
FIG. 15 is a schematic view of the structure of the landing gear of the present invention;
fig. 16 is an enlarged view of a portion a in fig. 14.
Detailed Description
In order to better understand the present invention, the following examples are further provided to clearly illustrate the contents of the present invention, but the contents of the present invention are not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.
Example one
As shown in fig. 1~9, a from multi-functional unmanned aerial vehicle commodity circulation car of change wing, including fuselage 1, folding host wing 2, flexible winglet 3, aileron 4, undercarriage 5, back fuselage frame 6, horizontal tail 7 and vertical tail 8, 1 both sides of fuselage all set up folding host wing 2, set up in folding host wing 2 flexible winglet 3, 3 downside settings of flexible winglet 4, 1 bottom of fuselage sets up undercarriage 5, 1 rear portion of fuselage sets up back fuselage frame 6, connect on the back fuselage frame 6 horizontal tail 7, 7 both sides of horizontal tail all set up vertical tail 8.
Folding main wing 2 includes main wing 21 and folding actuating mechanism, folding actuating mechanism includes first steering wheel 22, first drive gear 23, gear shaft 24, carbon pipe 25, first gear 26, second gear 27, wing connecting piece 28 and fuselage connection fastener 29, set up on first steering wheel 22's the output shaft first drive gear 23, first drive gear 23 with the transmission is connected to gear shaft 24, gear shaft 24 both ends all set up first gear 26, carbon pipe 25 passes through fuselage connection fastener 29 with fuselage 1 is connected, carbon pipe 25 both ends all set up second gear 27, and first gear 26 is connected the transmission with second gear 27, carbon pipe 25 passes through wing connecting piece 28 with main wing 21 is connected.
The quantity of fastener 29 is connected to the fuselage is two, sets up respectively wing connecting piece 28's both sides, the both ends of gear shaft 24 all set up shaft coupling 241, shaft coupling 241 is located the first gear 26 outside, fastener 29 bottom one side is connected to the fuselage with shaft coupling 241 connects, the opposite side pass through the bolt with fuselage 1 is connected.
The telescopic winglet 3 comprises a telescopic actuating mechanism, a link mechanism and a plurality of wing plates 31, wherein skins are arranged on the plurality of wing plates 31, the telescopic actuating mechanism is of a gear-rack structure, the link mechanism comprises a plurality of X-shaped connecting rods 32, two adjacent X-shaped connecting rods 32 are hinged with each other, the plurality of wing plates 31 are uniformly distributed in the plurality of X-shaped connecting rods 32 which are hinged with each other, strip-shaped holes 33 are formed in the wing plates 31, upper hinge points of two adjacent X-shaped connecting rods 32 penetrate through the strip-shaped holes 33, the lower ends of two adjacent X-shaped connecting rods 32 are hinged to two sides of each wing plate 31 respectively, and two X-shaped connecting rods 32 at two ends are provided with rollers 34 and positioning blocks 35; the X-shaped link 32 includes a first link and a second link whose middle portions are hinged to each other.
The gear rack structure comprises a second steering gear 36, a second transmission gear 37 and a rack 38, the second transmission gear 37 is arranged on an output shaft of the second steering gear 36, the rack 38 is arranged on the upper part of one of the rollers 34, and the rack 38 is connected with the second transmission gear 37 for transmission.
The horizontal tail 7 comprises a horizontal stabilizer 71 and an elevator 72, and the elevator 72 is arranged on the rear side of the horizontal stabilizer 71; the vertical fin 8 includes a vertical stabilizer 81 and a rudder 82, and the rudder 82 is provided on the rear side of the vertical stabilizer 81.
A local coordinate system is established according to the unmanned aerial vehicle logistics vehicle, and the Y axis is assumed to be transverse along the wing, the X axis is assumed to be vertical to the Y axis and parallel to the cross section of the wing, and the Z axis is assumed to be vertical to the XY plane. The telescopic actuating mechanism controls the second steering engine to rotate axially through the aircraft controller, so that the rack can move transversely along the X axis, and the pulley can be pushed to move transversely to enable the connecting rod in the telescopic winglet to move telescopically along the Y axis.
Example two
As shown in fig. 10 to 11, the difference between the multifunctional unmanned aerial vehicle with changeable wings according to the embodiment of the present invention and the first embodiment is that:
the three-section rocker structure comprises a second steering engine 41, a rocker 42, a straight rod 43, a limiting block 44 and a connecting piece 45, wherein the rocker 42 comprises a first rod body 421 and a second rod body 422, the end parts of the first rod body 421 and the second rod body 422 are hinged, the first rod body 421 and a rotating shaft of the second steering engine 41 are fixedly connected, the second rod body 422 and the straight rod 43 are hinged, the limiting block 44 is arranged on the wing plate 31, a through hole is formed in the limiting block 44, the straight rod 43 penetrates through the through hole, and the end part of the straight rod 43 is connected with one of the rollers 34 through the connecting piece 45.
The telescopic actuating mechanism is controlled by a second steering engine, the second steering engine rotates clockwise along an XZ plane to drive the rocker and the straight rod to move forwards along the X axis in the positive direction, the idler wheels are driven to move forwards in a coordinated mode, the X-shaped connecting rod is further made to contract, and otherwise, the X-shaped connecting rod can be unfolded. The mechanism is simple to execute and easy to manufacture.
EXAMPLE III
As shown in fig. 12 to 13, the difference between the multifunctional unmanned aerial vehicle with changeable wings according to the embodiment of the present invention and the first embodiment is that:
the inside support additional strengthening that sets up of main wing, support additional strengthening and include a plurality of backup pads 61 and a plurality of rhombus connecting rod 62, adjacent two backup pad 61 is through one rhombus connecting rod 62 connects.
The plurality of support plates 61 are provided with carbon fiber tubes 63 extending therethrough.
When the telescopic winglets are considered to be unfolded, the telescopic winglets can stretch out of the main wing, the middle of the main wing is caused to generate a hollow phenomenon, and the stability design requirement of the unmanned aerial vehicle freight car is not met, so that the structural design is carried out on the inside of the main wing, the uniform distribution of wing loads is considered, the service life of the wing is longer, and the supporting and reinforcing structure is adopted, so that the uniform distribution of the main wing loads is realized.
Example four
As shown in fig. 14 to 16, the difference between the multifunctional unmanned aerial vehicle with changeable wings according to the embodiment of the present invention and the first embodiment is that:
the undercarriage 5 comprises a front undercarriage and a rear undercarriage, the front undercarriage comprises a third steering gear 511, a third transmission gear 512, a steering connecting rod 513, a transmission rack 514, a gear fixing seat 515, a first landing seat 516, first wheels 517 and first damping mechanisms 518, the first wheels 517 are arranged on two sides of the first landing seat 516, the gear fixing seat 515 is arranged in the middle of the first landing seat 516, the third steering gear 511 is arranged on the gear fixing seat 515, the third transmission gear 512 is arranged on an output shaft of the third steering gear 511, the third transmission gear 512 is connected with the transmission rack 514 for transmission, two ends of the transmission rack 514 are connected with the steering connecting rod 513, the two steering connecting rods 513 are respectively connected with the two first wheels 517, and the first landing seat 516 is provided with two first damping mechanisms 518; the rear landing gear comprises a second landing gear seat 521, second wheels 522 and second shock absorption mechanisms 523, the second wheels 522 are arranged on two sides of the second landing gear seat 521, and the two second shock absorption mechanisms 523 are arranged on the second landing gear seat 521; the first damper 518 and the second damper 523, which are located on the same side, are connected by a carbon fiber tube 524.
At least one of the two shock-absorbing fixing buckles 535 can slide on the shock-absorbing fixing shaft 536, in the embodiment of the present invention, the upper shock-absorbing fixing buckle is fixedly connected with the connecting block, and the lower shock-absorbing fixing buckle can move up and down.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a from multi-functional unmanned aerial vehicle commodity circulation car of change wing which characterized in that: including fuselage, folding main wing, flexible winglet, aileron, undercarriage, back fuselage frame, horizontal tail and vertical tail, the fuselage both sides all set up folding main wing, set up in the folding main wing flexible winglet, flexible winglet downside sets up the aileron, the fuselage bottom sets up the undercarriage, the fuselage rear portion sets up back fuselage frame, connect on the back fuselage frame horizontal tail, horizontal tail both sides all set up the vertical tail.
2. The multifunctional unmanned aerial vehicle logistics vehicle of claim 1, wherein: folding main wing includes the main wing and folding actuating mechanism, folding actuating mechanism includes that fastener is connected to first steering wheel, first drive gear, gear shaft, carbon pipe, first gear, second gear, wing connecting piece and fuselage, set up on the output shaft of first steering wheel first drive gear, first drive gear with the transmission is connected to the gear shaft, the gear shaft both ends all set up first gear, the carbon pipe passes through the fuselage connect the fastener with the fuselage is connected, the carbon pipe both ends all set up the second gear, and first gear and second gear are connected the transmission, the carbon pipe passes through the wing connecting piece with the main wing is connected.
3. The multifunctional unmanned aerial vehicle logistics vehicle of claim 1, wherein: the telescopic winglet comprises a telescopic actuating mechanism, a link mechanism and a plurality of wing plates, wherein the telescopic actuating mechanism is of a gear-rack structure or a three-section rocker structure, the link mechanism comprises a plurality of X-shaped connecting rods, two adjacent X-shaped connecting rods are hinged with each other, the plurality of wing plates are uniformly distributed in the plurality of X-shaped connecting rods which are hinged with each other, strip-shaped holes are formed in the wing plates, upper hinge points of two adjacent X-shaped connecting rods penetrate through the strip-shaped holes, the lower ends of two adjacent X-shaped connecting rods are hinged to the two sides of each wing plate respectively, and the two X-shaped connecting rods at the two ends are provided with rollers and positioning blocks; the X-shaped connecting rod comprises a first connecting rod and a second connecting rod, wherein the middle parts of the first connecting rod and the second connecting rod are hinged to each other.
4. The multifunctional unmanned aerial vehicle logistics vehicle of claim 3, wherein: the gear rack structure comprises a second steering engine, a second transmission gear and a rack, the second transmission gear is arranged on an output shaft of the second steering engine, the rack is arranged on the upper portion of one of the rollers, and the rack is connected with the second transmission gear for transmission.
5. The multifunctional unmanned aerial vehicle logistics vehicle of claim 3, wherein: the three-section rocker structure comprises a second steering engine, a rocker, a straight rod, a limiting block and a connecting piece, wherein the rocker comprises a first rod body and a second rod body, the end portions of the first rod body and the second rod body are hinged, the first rod body is fixedly connected with a rotating shaft of the second steering engine, the second rod body is hinged with the straight rod, the limiting block is arranged on the wing plate, a through hole is formed in the limiting block, the straight rod penetrates through the through hole, and the end portion of the straight rod is connected with one of the rollers through the connecting piece.
6. The multifunctional unmanned aerial vehicle logistics vehicle of claim 2, wherein: the quantity of fastener is connected to the fuselage is two, sets up respectively the both sides of wing connecting piece, the both ends of gear shaft all set up the shaft coupling, the shaft coupling is located the first gear outside, fuselage connection fastener lower part one side with the coupling joint, the opposite side pass through the bolt with the fuselage is connected.
7. The multifunctional unmanned aerial vehicle logistics vehicle of claim 1, wherein: the horizontal tail comprises a horizontal stabilizing surface and an elevator, and the elevator is arranged on the rear side of the horizontal stabilizing surface; the vertical fin comprises a vertical stabilizing surface and a rudder, and the rudder is arranged on the rear side of the vertical stabilizing surface.
8. The multifunctional unmanned aerial vehicle logistics vehicle of claim 2, wherein: the inside support additional strengthening that sets up of main wing, support additional strengthening and include a plurality of backup pads and a plurality of rhombus connecting rod, adjacent two the backup pad is through one the rhombus connecting rod is connected.
9. The multifunctional unmanned aerial vehicle logistics vehicle of claim 1, wherein: the undercarriage comprises a front undercarriage and a rear undercarriage, the front undercarriage comprises a third steering engine, a third transmission gear, a steering connecting rod, a transmission rack, a gear fixing seat, a first landing frame seat, first wheels and first damping mechanisms, the first wheels are arranged on two sides of the first landing frame seat, the gear fixing seat is arranged in the middle of the first landing frame seat, the third steering engine is arranged on the gear fixing seat, the third transmission gear is arranged on an output shaft of the third steering engine and is connected with the transmission rack for transmission, the steering connecting rod is connected with two ends of the transmission rack, the two steering connecting rods are respectively connected with the two first wheels, and the first landing frame seat is provided with two first damping mechanisms; the rear landing gear comprises a second landing gear seat, second wheels and second damping mechanisms, wherein the second wheels are arranged on two sides of the second landing gear seat, and the second landing gear seat is provided with two second damping mechanisms; the first damping mechanism and the second damping mechanism which are positioned on the same side are connected through a carbon fiber pipe.
10. The multifunctional unmanned aerial vehicle logistics vehicle of claim 9, wherein: first damper and second damper structure are the same, all include connecting block, damping spring, shock attenuation connecting rod, the fixed knot of shock attenuation and shock attenuation fixed axle, set up under the connecting block the shock attenuation fixed axle, shock attenuation fixed axle lower extreme is fixed in the frame seat that rises and falls, the cover is established on the shock attenuation fixed axle damping spring, the upper and lower both ends of damping spring all set up the shock attenuation is fixed to be detained, two the shock attenuation is fixed to be detained the side and all articulated one the damping connecting rod, two the damping connecting rod is articulated each other.
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