阅读说明：本技术 一种物流配送无人机 (Logistics distribution unmanned aerial vehicle ) 是由 屠浩锋 于 2021-11-03 设计创作，主要内容包括：本发明公开了一种物流配送无人机,包括无人机本体,所述无人机本体侧壁设有若干组机臂,所述机臂端部设有驱动电机,所述驱动电机上设有旋翼,所述无人机本体底壁上对称设有两组固定外框,所述固定外框底端设有磁流变反向渗透限位固定座,所述磁流变反向渗透限位固定座上活动设有物品箱,所述物品箱上设有箱盖,所述固定外框上转动设有多功能旋转式重量补偿飞行机翼,所述固定外框侧壁设有自适应随动调节防倾支腿。本发明属于无人机技术领域,具体是指一种方便对物品箱限位固定及解除固定的物流配送无人机。(The invention discloses a logistics distribution unmanned aerial vehicle which comprises an unmanned aerial vehicle body, wherein a plurality of groups of booms are arranged on the side wall of the unmanned aerial vehicle body, a driving motor is arranged at the end part of each boom, a rotor wing is arranged on the driving motor, two groups of fixing frames are symmetrically arranged on the bottom wall of the unmanned aerial vehicle body, the bottom end of each fixing frame is provided with a magnetorheological reverse osmosis limiting fixing seat, an article box is movably arranged on each magnetorheological reverse osmosis limiting fixing seat, a box cover is arranged on each article box, a multifunctional rotary weight compensation flight wing is rotatably arranged on each fixing frame, and self-adaptive follow-up adjustment anti-tilting supporting legs are arranged on the side wall of each fixing frame. The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a logistics distribution unmanned aerial vehicle convenient for limiting and fixing and releasing an article box.)

1. The utility model provides a logistics distribution unmanned aerial vehicle, includes the unmanned aerial vehicle body, unmanned aerial vehicle body lateral wall is equipped with a plurality of groups horn, the horn tip is equipped with driving motor, the last rotor that is equipped with of driving motor, its characterized in that: the unmanned aerial vehicle comprises an unmanned aerial vehicle body and is characterized in that two groups of fixed frames are symmetrically arranged on the bottom wall of the unmanned aerial vehicle body, a magnetorheological reverse osmosis limiting fixing seat is arranged at the bottom end of each fixed frame, an article box is movably arranged on each magnetorheological reverse osmosis limiting fixing seat, a box cover is arranged on each article box, a multifunctional rotary weight compensation flying wing is rotatably arranged on each fixed frame, and self-adaptive follow-up adjustment anti-tilt supporting legs are arranged on the side walls of the fixed frames.

2. The logistics distribution unmanned aerial vehicle of claim 1, wherein: the magnetorheological reverse osmosis limiting fixing seat comprises a base body, a containing cavity is formed in the upper wall of the base body, a magnetorheological liquid bag is filled in the containing cavity, magnetorheological liquid is filled in the magnetorheological liquid bag, the center of the bottom of the magnetorheological liquid bag is fixedly connected with the bottom wall of the containing cavity, pushing pieces are symmetrically arranged on the side wall of the containing cavity, an electromagnet is arranged in the base body and electrically connected with an unmanned aerial vehicle body, and a plurality of groups of limiting holes are formed in the bottom wall of the article box.

3. The logistics distribution unmanned aerial vehicle of claim 2, wherein: the pushing and extruding piece comprises a sliding column, a spring and an extruding plate, the extruding plate is slidably arranged in the containing cavity, one end of the sliding column is arranged on the side wall of the extruding plate, the other end of the sliding column penetrates through the base body and the fixed outer frame and stretches out of the fixed outer frame, the spring is sleeved on the sliding column, one end of the spring is fixedly connected to the side wall of the fixed outer frame, and the other end of the spring is fixedly connected to the end portion of the sliding column.

4. The logistics distribution unmanned aerial vehicle of claim 3, wherein: the multifunctional rotary weight compensation flight wing comprises an aileron body, a connecting plate and a compression roller, wherein the connecting plate is rotatably arranged on the fixed outer frame, the compression roller is rotatably arranged at the end part of the connecting plate, and the aileron body is arranged at the other end of the connecting plate.

5. The logistics distribution unmanned aerial vehicle of claim 4, wherein: the self-adaptive follow-up adjustment anti-tilt supporting leg comprises a supporting leg body and a ball embedded in the bottom end of the supporting leg body in a rolling mode.

6. The logistics distribution unmanned aerial vehicle of claim 5, wherein: the upper portion of the side wall of the fixed outer frame is provided with a notch, a connecting shaft is arranged in the notch, and a shaft hole matched with the connecting shaft is formed in the connecting plate.

7. The logistics distribution unmanned aerial vehicle of claim 6, wherein: the article box is internally provided with a floating pressing plate in a sliding mode, the inner side wall of the article box is provided with a guide rail, and the floating pressing plate is embedded on the guide rail in a sliding mode.

Technical Field

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a logistics distribution unmanned aerial vehicle.

Background

Unmanned aerial vehicle usage is very extensive, like agricultural, photography, commodity circulation etc, need send the assigned position to with the article through unmanned aerial vehicle aloft at the logistics distribution in-process, in order to make things convenient for the receipt, the required time of logistics distribution has been reduced greatly, and current logistics distribution unmanned aerial vehicle is not good to the fixed effect of article, take place the phenomenon that the article dropped because of the resistance easily in the transportation, especially when the delivery point is higher, high altitude wind speed is great, make the article drop more easily, lead to passerby's injury easily.

Disclosure of Invention

In order to solve the problems in the background art, the invention aims to provide a logistics distribution unmanned aerial vehicle, which utilizes the characteristics of magnetorheological fluid, presses a magnetorheological reverse osmosis limiting fixing seat under the dead weight of an article box, under the action of a pushing piece, a magnetorheological fluid bag is stressed, overcomes the gravity, penetrates through a limiting hole at the bottom of the article box from the flowing reverse direction, expands outwards under the action of the gravity, is instantly converted into a state close to a solid or a solid under the action of a magnetic field, further pulls and fixes the article box reversely, can limit and fix the article box without arranging an additional clamping mechanism, simultaneously removes the magnetic field, restores the magnetorheological fluid to the flowing state again, spontaneously breaks away from the article box from the limiting hole, and further facilitates the article box to be taken down; simultaneously multi-functional rotation type weight compensation flight wing, can additionally provide buoyancy when unmanned aerial vehicle flies, can compensate the weight of article case and article, help practicing thrift the electric energy, and usable wind-force orders about multi-functional rotation type weight compensation flight wing and deflects and hold fixedly with holding article case backward pressure, simultaneously when unmanned aerial vehicle falls on the delivery point, the spontaneous reverse deflection of multi-functional rotation type weight compensation flight wing, conveniently take out article and article case, when unmanned aerial vehicle takes off and lands, influenced by inertia, very easily empty when improper control, lead to the article impaired easily, prevent inclining the landing leg with the help of self-adaptation follow-up adjustment, can be when unmanned aerial vehicle takes off and lands self-adaptation inertia in order to carry out follow-up adjustment, and then avoid unmanned aerial vehicle to empty.

In order to solve the technical problems, the invention provides a logistics distribution unmanned aerial vehicle, which comprises an unmanned aerial vehicle body, wherein the side wall of the unmanned aerial vehicle body is provided with a plurality of sets of arms, the end parts of the arms are provided with driving motors, the driving motors are provided with rotor wings, two sets of fixing outer frames are symmetrically arranged on the bottom wall of the unmanned aerial vehicle body, the bottom ends of the fixing outer frames are provided with magnetorheological reverse osmosis limiting and fixing seats, article boxes are movably arranged on the magnetorheological reverse osmosis limiting and fixing seats, box covers are arranged on the article boxes, the magnetorheological reverse osmosis limiting and fixing seats are reversely acted on the article boxes and the articles in the article boxes by means of the dead weight of the article boxes, so that the article boxes are limited and fixed by the magnetorheological reverse osmosis limiting and fixing seats, the article boxes are convenient to fix and disassemble, the fixing outer frames are rotatably provided with multifunctional rotary weight compensation flying wings, so as to additionally provide rising buoyancy when the unmanned aerial vehicle flies, and reduce the power consumption, simultaneously with the help of wind-force deflection, further press to article case and hold fixedly to avoid article case to drop from unmanned aerial vehicle, fixed frame lateral wall is equipped with the anti-tilt landing leg of self-adaptation follow-up regulation, can avoid unmanned aerial vehicle to receive inertial influence and empty when taking off and descending.

Preferably, the magnetorheological reverse osmosis limiting fixing seat comprises a base body, wherein a containing cavity is formed in the upper wall of the base body, a magnetorheological liquid bag is filled in the containing cavity, magnetorheological liquid is filled in the magnetorheological liquid bag, the central part of the bottom of the magnetorheological liquid bag is fixedly connected with the bottom wall of the containing cavity, pushing pieces are symmetrically arranged on the side wall of the containing cavity, the magnetorheological liquid bag can be driven to deform by the pushing pieces, an electromagnet is arranged in the base body and electrically connected with an unmanned aerial vehicle body, the electromagnet is controlled to be in current circulation on the electromagnet by the unmanned aerial vehicle body so as to control the generation and disappearance of a magnetic field, a plurality of groups of limiting holes are formed in the bottom wall of the article box, when the article box is placed on the base body, the magnetorheological liquid bag is extruded by an extruding piece, under the flowing characteristic of the magnetorheological liquid, gravity is overcome, reverse flow penetrates through the limiting holes and then expands outwards under the action of gravity after penetrating through the limiting holes, at the moment, after the electromagnet is electrified, a magnetic field is generated, the magnetorheological fluid in the magnetorheological fluid bag corresponds instantly and is converted into a state close to or solid, and the article box is anchored on the base body.

Preferably, push away the piece and include the traveller, spring and stripper plate, the stripper plate slides and locates and hold the intracavity, the one end of traveller is located on the lateral wall of stripper plate, the other end of traveller runs through base body and fixed frame and stretches out the setting, the spring housing is located on the traveller, the one end fixed connection of spring is on the lateral wall of fixed frame, the other end fixed connection of spring is in the tip of traveller, promote the traveller, order to order about the stripper plate and extrude magnetorheological suspensions liquid bag, so that magnetorheological suspensions liquid bag passes spacing hole, after the electro-magnet circular telegram, magnetorheological suspensions solidification back, lax the traveller, reset under the effect of spring.

Preferably, multi-functional rotation type weight compensation flight wing includes the aileron body, connecting plate and compression roller, the connecting plate rotates and locates on the fixed frame, the tip of connecting plate is located in the compression roller rotation, the other end of connecting plate is located to the aileron body, when unmanned aerial vehicle high altitude transverse flight, the air flow, order about the aileron and shift up, and then drive the connecting plate deflection, make the compression roller press and hold on article case, supplementary magnetic current becomes spacing fixing base of reverse osmosis and further presses and hold fixedly to article case, and when the compression roller pressed and holds on article case, article case supported the connecting plate reaction and hold, help the flight steadily.

Preferably, the landing leg is prevented inclining in self-adaptation follow-up regulation includes that landing leg body and roll are embedded in the ball of landing leg body bottom to the ball replaces traditional gyro wheel, can make unmanned aerial vehicle when taking off and descending, drives along with inertia, rolls wantonly, in order to offset inertial influence, thereby avoids empting.

As a further improvement of the invention, the upper part of the side wall of the fixed outer frame is provided with a notch, a connecting shaft is arranged in the notch, the connecting plate is provided with a shaft hole matched with the connecting shaft, and the shaft hole is matched with the connecting shaft, so that the multifunctional rotary weight compensation flight wing can be rotatably arranged on the fixed outer frame.

The magnetorheological fluid bag is arranged in the article box, the inner side wall of the article box is provided with a guide rail, the floating pressure plate is slidably clamped and embedded on the guide rail, when the pushing piece inwards extrudes the magnetorheological fluid bag, the upper part of the magnetorheological fluid bag penetrates through a limiting hole at the bottom of the article box and outwards extends under the self weight, in order to enlarge the extension range of the top of the magnetorheological fluid bag, the floating pressure plate is arranged in the article box, when a delivery object is placed on the floating pressure plate, the floating pressure plate is driven to downwards move under the self weight of the delivery object, the extension range is further enlarged, and then after the electromagnet is electrified to switch the magnetorheological fluid state in the magnetorheological fluid bag, the magnetorheological fluid bag is converted to a solid state, and the article box is further anchored on the base body.

Adopt above-mentioned structure to gain beneficial effect as follows: the logistics distribution unmanned aerial vehicle provided by the invention has the advantages that the structure is simple, the design is reasonable, the operation is convenient, the characteristics of the magnetorheological fluid are utilized, namely, the magnetorheological fluid has better fluidity when no magnetic field exists, the viscosity is increased after the magnetic field is added, and the magnetorheological fluid is converted into a form close to a solid or a solid, when the object box is placed on the base body, the pushing piece is pushed, the magnetorheological fluid overcomes the gravity, the magnetorheological fluid bag reversely penetrates through the limiting hole at the bottom of the object box by utilizing the fluidity of the magnetorheological fluid and extends outwards, the electromagnet is electrified to generate the magnetic field, the magnetorheological fluid is rapidly converted into a form close to the solid or the solid, and the object box is limited and anchored on the base body; the multifunctional rotary weight compensation flight wing can provide extra buoyancy when the unmanned aerial vehicle transversely flies so as to achieve the weight compensation effect, the aileron body deflects upwards under wind power to drive the compression roller to deflect downwards, and then the article box is pressed and held, and meanwhile, the article box reversely limits the aileron body, so that the aileron body can be prevented from deflecting in flight, and the unmanned aerial vehicle is beneficial to stable flight; meanwhile, inertia exists in the process of taking off and landing of the unmanned aerial vehicle, so that the unmanned aerial vehicle can move on the ground with uncertainty, the bottom end of the landing leg body rolls and is embedded with the balls, and the landing leg body can roll at will to adapt to the inertia, so that the unmanned aerial vehicle is prevented from falling down in the process of taking off and landing.

Drawings

Fig. 1 is a schematic structural diagram of a logistics distribution unmanned aerial vehicle provided by the invention;

fig. 2 is a front view of a logistics distribution unmanned aerial vehicle provided by the invention;

fig. 3 is a diagram illustrating a deflection state of a multifunctional rotary weight compensation flight wing of a logistics distribution unmanned aerial vehicle according to the present invention;

fig. 4 is a cross-sectional view of an article box of a logistics distribution unmanned aerial vehicle provided by the invention;

fig. 5 is a schematic structural view of a magnetorheological reverse osmosis limiting fixing seat of a logistics distribution unmanned aerial vehicle provided by the invention;

fig. 6 is a schematic view of a connection structure of a magnetorheological reverse osmosis limiting fixing seat and an article box of the logistics distribution unmanned aerial vehicle provided by the invention;

fig. 7 is a schematic structural diagram of a multifunctional rotary weight compensation flight wing of a logistics distribution unmanned aerial vehicle provided by the invention.

The multifunctional rotary weight compensation aircraft wing comprises an unmanned aerial vehicle body 1, an unmanned aerial vehicle body, 2, a machine arm, 3, a driving motor, 4, a rotor wing, 5, a magnetorheological reverse osmosis limiting fixing seat, 6, an article box, 7, a box cover, 8, a multifunctional rotary weight compensation aircraft wing, 9, a self-adaptive follow-up adjustment anti-tilting supporting leg, 10, a base body, 11, a containing cavity, 12, a magnetorheological liquid sac, 13, a pushing piece, 14, an electromagnet, 15, a limiting hole, 16, a sliding column, 17, a spring, 18, a squeezing plate, 19, an aileron body, 20, a connecting plate, 21, a compression roller, 22, a supporting leg body, 23, a ball, 24, a notch, 25, a connecting shaft, 26, a shaft hole, 27, a floating pressure plate, 28, a guide rail, 29 and a fixing outer frame.

Detailed Description

The technical solutions of the present invention will be described in further detail with reference to specific embodiments, and all the parts of the present invention that are not described in detail in the technical features or the connection relationships of the present invention are the prior art.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, the logistics distribution unmanned aerial vehicle provided by the invention comprises an unmanned aerial vehicle body 1, wherein a plurality of sets of booms 2 are arranged on the side wall of the unmanned aerial vehicle body 1, a driving motor 3 is arranged at the end part of each boom 2, a rotor wing 4 is arranged on each driving motor 3, two sets of fixing frames 29 are symmetrically arranged on the bottom wall of the unmanned aerial vehicle body 1, a magnetorheological reverse osmosis limiting fixing seat 5 is arranged at the bottom end of each fixing frame 29, an article box 6 is movably arranged on each magnetorheological reverse osmosis limiting fixing seat 5, a box cover 7 is arranged on each article box 6, a multifunctional rotary weight compensation flying wing 8 is rotatably arranged on each fixing frame 29, and self-adaptive follow-up regulation anti-tilt supporting legs 9 are arranged on the side wall of each fixing frame 29.

As shown in fig. 5 and 6, the magnetorheological reverse osmosis limiting fixing seat 5 comprises a base body 10, a containing cavity 11 is formed in the upper wall of the base body 10, a magnetorheological liquid bag 12 is filled in the containing cavity 11, magnetorheological liquid is filled in the magnetorheological liquid bag 12, the bottom center of the magnetorheological liquid bag 12 is fixedly connected with the bottom wall of the containing cavity 11, pushing pieces 13 are symmetrically arranged on the side wall of the containing cavity 11, an electromagnet 14 is arranged in the base body 10, the electromagnet 14 is electrically connected with the unmanned aerial vehicle body 1, and a plurality of groups of limiting holes 15 are formed in the bottom wall of the article box 6.

As shown in fig. 5, the pushing and squeezing element 13 includes a sliding column 16, a spring 17 and a squeezing plate 18, the squeezing plate 18 is slidably disposed in the accommodating cavity 11, one end of the sliding column 16 is disposed on a side wall of the squeezing plate 18, the other end of the sliding column 16 penetrates through the base body 10 and the fixed outer frame 29 and extends out of the base body, the spring 17 is sleeved on the sliding column 16, one end of the spring 17 is fixedly connected to a side wall of the fixed outer frame 29, and the other end of the spring 17 is fixedly connected to an end of the sliding column 16.

As shown in fig. 1, 2, 3 and 7, the multifunctional rotary weight compensation flight wing 8 includes an aileron body 19, a connecting plate 20 and a pressing roller 21, wherein the connecting plate 20 is rotatably disposed on a fixed outer frame 29, the pressing roller 21 is rotatably disposed at an end of the connecting plate 20, and the aileron body 19 is disposed at the other end of the connecting plate 20.

As shown in fig. 2 and 3, the adaptive follow-up adjustment anti-roll leg 9 includes a leg body 22 and a ball 23 rolling embedded in the bottom end of the leg body 22.

As shown in fig. 1, the upper portion of the sidewall of the fixed outer frame 29 is provided with a notch 24, a connecting shaft 25 is provided in the notch 24, and the connecting plate 20 is provided with a shaft hole 26 matching with the connecting shaft 25.

As shown in fig. 4 and 6, a floating pressing plate 27 is slidably provided in the article box 6, a guide rail 28 is provided on an inner side wall of the article box 6, and the floating pressing plate 27 is slidably fitted to the guide rail 28.

When the unmanned aerial vehicle is used specifically, the article box 6 is placed on the base body 10, the sliding column 16 is pushed, the magnetorheological fluid bag 12 is inwards extruded by the aid of the extrusion plate 18, the top of the magnetorheological fluid bag 12 penetrates through the limiting hole 15 in the bottom wall of the article box 6 and outwards expands under the action of gravity, an article to be distributed is placed on the floating pressing plate 27 in the article box 6, the floating pressing plate 27 further presses the magnetorheological fluid bag 12 which penetrates through the limiting hole 15 under the action of the gravity of the article to enlarge the outward expansion area of the magnetorheological fluid bag 12, the unmanned aerial vehicle body 1 supplies power to the electromagnet 14 to generate a magnetic field, at the moment, the magnetorheological fluid in the magnetorheological fluid bag 12 is instantly converted to a state close to solid or solid, and then the article box 6 is limited and anchored on the base body 10 by the magnetorheological fluid bag 12, when the unmanned aerial vehicle takes off, the unmanned aerial vehicle rotates statically and is influenced by inertia, the unmanned aerial vehicle adopting the supporting legs traditionally often topples over, in the scheme, the balls 23 are embedded in the bottom end of the supporting leg body 22 in a rolling mode, so that the unmanned aerial vehicle can conform to inertia, and the unmanned aerial vehicle can be effectively prevented from toppling during taking off and landing; meanwhile, when the unmanned aerial vehicle flies transversely, the aileron body 19 additionally forms buoyancy, weight compensation is carried out on the unmanned aerial vehicle, power consumption is reduced, meanwhile, airflow drives the aileron body 19 to deflect, the connecting plate 20 is driven to deflect, the compression roller 21 is pressed and held on the box cover 7 on the article box 6, the article box 6 is further pressed and held and fixed, and meanwhile, the larger the wind speed is, the larger the generated pressing force is; treat that unmanned aerial vehicle descends to when delivering the point, 8 reverse deflections of multi-functional rotation type weight compensation flight wing, and make compression roller 21 break away from on the case lid 7 of article case 6, break off the electric current of electromagnet simultaneously, get rid of the magnetic field, magnetorheological suspensions has mobility again, in the palirrhea chamber 11 that can hold in spacing hole 15 under the dead weight, conveniently takes off article case 6, and then takes out the article.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.