CN112913817B

CN112913817B - Plant protection unmanned aerial vehicle

Info

Publication number: CN112913817B
Application number: CN202110089060.5A
Authority: CN
Inventors: 张辉; 韩李超; 朱鹏飞; 刘喜东; 张颖桃; 袁华俊
Original assignee: Jiangsu Songshi Greening Engineering Co ltd
Current assignee: Jiangsu Songshi Greening Engineering Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2022-06-17
Anticipated expiration: 2041-01-22
Also published as: CN112913817A

Abstract

The utility model relates to a plant protection unmanned aerial vehicle, relate to unmanned aerial vehicle's field, it includes the organism, the bottom fixedly connected with bin of organism, the discharge gate has been seted up to the bin bottom, the bottom of bin is rotated and is connected with the switching case, the upper surface of switching case is seted up along the solid feed inlet and the liquid feed inlet of self upper surface central symmetry, the horizontal projection of discharge gate is located to use the line between solid feed inlet and the liquid feed inlet as the periphery of diameter on, the solid spraying mouth with solid feed inlet intercommunication is seted up to the bottom of switching case, liquid feed inlet intercommunication has the drain pipe that stretches into the switching incasement portion and run through to the circumferential surface of switching case. This application has the effect that can freely switch solid-liquid and spray.

Description

Plant protection unmanned aerial vehicle

Technical Field

The application relates to the field of unmanned aerial vehicles, especially, relate to a plant protection unmanned aerial vehicle.

Background

Plant protection unmanned aerial vehicle is the unmanned aircraft that utilizes wireless control by color equipment and the controller operation of oneself, realizes spraying the operation, can spray medicament, seed, powder etc.. Along with the land circulation and the scale of agricultural land production, the use of unmanned aerial vehicles for plant protection has become a generalized demand for improving the agricultural production efficiency.

Among the correlation technique, plant protection unmanned aerial vehicle includes the organism and has fixed the support arm of being connected with the organism, and the one end that the spray tube was kept away from to the support arm is installed and is used for the rotor that takes off, and bottom of the body fixedly connected with bin is used for saving the liquid medicine in the bin, and the bin intercommunication has the spray tube.

To the correlation technique among the above-mentioned, the inventor thinks when spraying the operation, spray solid or spray liquid and to the requirement inconsistent of spray tube, unmanned aerial vehicle among the correlation technique can only spray one of solid seed, powder or liquid medicament, can't accomplish freely to switch.

Disclosure of Invention

The application provides a plant protection unmanned aerial vehicle has the advantage that can freely switch solid-liquid and spray.

The application provides a plant protection unmanned aerial vehicle adopts following technical scheme:

the utility model provides a plant protection unmanned aerial vehicle, which comprises a bod, the bottom fixedly connected with bin of organism, the discharge gate has been seted up to the bin bottom, the bottom of bin is rotated and is connected with the switching case, the upper surface of switching case is seted up along the solid feed inlet and the liquid feed inlet of self upper surface central symmetry, the horizontal projection of discharge gate is located and is used the line between solid feed inlet and the liquid feed inlet on the periphery of diameter, the solid that feeds through with the solid feed inlet is seted up to the bottom of switching case and is sprayed the mouth, liquid feed inlet intercommunication has the drain pipe that stretches into the switching incasement portion and run through to the circumferential surface of switching case.

By adopting the technical scheme, when the plant protection unmanned aerial vehicle is used at every time, what the sprayed substances are needs to be determined in advance, when liquid substances such as medicaments need to be sprayed, liquid needing to be sprayed is filled into the storage box in advance, then the switching box is rotated to enable the liquid feeding hole to be communicated with the discharging hole, the liquid in the storage box flows into the liquid outlet pipe through the liquid feeding hole, and is finally sprayed outwards from the liquid outlet pipe, so that the spraying process of the liquid medicaments is realized; when solid matters such as seeds need to be sprayed, the solid matters such as seeds are placed into the storage box in advance, then the switching box is rotated, the solid feeding hole is communicated with the discharging hole, the seeds and the like can enter the switching box from the solid feeding hole, and finally the seeds are sprayed from the solid spraying hole. In conclusion, the solid spraying and the liquid spraying are integrated in the integrated arrangement and are mutually independent, so that the application range can be expanded by freely switching according to the actual situation when the spraying device is used, and meanwhile, the mutual interference of substances in different forms to the spraying process can be greatly reduced.

Optionally, the one end intercommunication that the switch case was worn out to the drain pipe is provided with the spray pipe, and the spray pipe is the ring form and encircles the circumference face that is fixed in the switch case, and the below intercommunication of spray pipe is provided with the shower nozzle.

Through adopting above-mentioned technical scheme, when spraying liquid such as medicament, the medicament gets into in the drain pipe from the liquid feed inlet, then gets into in the spray pipe from the drain pipe, finally from the shower nozzle blowout of spray pipe below. The spraying pipe surrounds the circumferential surface of the switching box, so that the liquid is sprayed more uniformly.

Optionally, a plurality of isolation grooves are formed in the upper surface of the switching box, and the isolation grooves are located between the solid feeding hole and the liquid feeding hole.

Through adopting above-mentioned technical scheme, at the in-process that sprays liquid such as medicament, the liquid of minority can flow from the clearance of switching case and bin, perhaps flow into from the solid feed inlet even and switch incasement portion, the process that sprays solid to the follow-up leads to the fact the influence, consequently offer a plurality of isolation tanks at switching case upper surface, the liquid that flows at switching case surface can in time be kept apart by the isolation tank and stored, thereby greatly reduced the liquid matter flow in and switched the incasement portion and lead to polluting the condition emergence of solid matter.

Optionally, a return pipe is communicated with the bottom of the isolation groove, and the other end of the return pipe is communicated with the liquid outlet pipe.

Through adopting above-mentioned technical scheme, the liquid material that flows into the isolation tank can get back to in the drain pipe once more along the back flow, on the one hand, can avoid the liquid in the isolation tank to remain the phenomenon of overflowing that too much leads to, has further reduced liquid and has got into the condition emergence of switching incasement portion from the solid feed inlet, and on the other hand can in time recycle, the reduction is extravagant to the liquid that flows into and switches the clearance between case and the bin.

Optionally, one side of the isolation groove facing the liquid feed port is obliquely arranged, and the oblique direction gradually inclines upwards towards one side close to the liquid feed port.

Through adopting above-mentioned technical scheme, the slope setting of isolation tank makes the liquid that flows into switching case surface can flow into the isolation tank more smoothly, improves the isolation effect to make liquid more difficult to flow into the solid feed inlet.

Optionally, an absorption groove is arranged between the solid feed port and the corresponding isolation groove, absorption cotton is placed at the bottom of the absorption groove, and the top end of the absorption cotton does not exceed the top of the absorption groove.

Through adopting above-mentioned technical scheme, the setting of absorption tank has further avoided liquid to flow into the solid feed inlet to unnecessary liquid can in time be absorbed by the absorption cotton, makes interference, influence greatly reduced between solid matter and the liquid matter.

Optionally, a circular groove is formed in the upper surface of the switching box, a bearing is arranged in the circular groove in an interference fit mode, a rotating shaft is fixedly arranged on the lower surface of the storage box, and the rotating shaft is inserted into an inner ring of the bearing and is in interference fit with the inner ring.

Through adopting above-mentioned technical scheme, the normal running fit of pivot and bearing for the rotation of switching case and bin is connected more stably, reliably.

Optionally, the bottom of bin and the top position department of switching case are provided with fixed subassembly, and fixed subassembly includes engaging lug, engaging lug and bolt down, goes up the engaging lug and fixes with the circumference face of bin, and lower engaging lug is fixed with the circumference face of switching case, and goes up the engaging lug and just right from top to bottom with lower engaging lug, and the vertical engaging lug and the lower engaging lug of passing of bolt downwards.

Through adopting above-mentioned technical scheme, after switching to the solid state of spraying or liquid state of spraying, go up engaging lug and lower engaging lug just right each other, pass engaging lug and lower engaging lug from last to down with the bolt this moment, can prescribe a limit to the position of bin and switching box, prevent to take place the autorotation, improved unmanned aerial vehicle and sprayed the stability of operation in-process.

Optionally, the switching box is arranged in a necking shape from top to bottom.

Through adopting above-mentioned technical scheme, the switching case is from last to being the throat form down for comparatively concentrate when carrying out the solid and spraying, and when carrying out liquid and spraying, it is great to encircle the horizontal distance that the spray tube on switching case surface and switching case bottommost position, has effectively reduced blockking and disturbing that the shower nozzle received when carrying out liquid and spraying.

Optionally, the bottom of the switching box is fixedly provided with a baffle ring, and the baffle ring surrounds the circumferential surface of the switching box and is in a horn mouth shape from top to bottom.

Through adopting above-mentioned technical scheme, the setting up of fender ring makes shower nozzle and solid spraying nozzle keep apart each other independently, ensures that unmanned aerial vehicle is spraying or liquid material when spraying the operation carrying out the solid matter, and the shower nozzle can be mutually independent, reduce the influence each other that sprays the process with the solid spraying nozzle.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the bottom of the storage box is rotatably connected with the switching box, and the upper surface of the switching box is provided with the solid feeding hole and the liquid feeding hole which can be respectively communicated with the discharging hole, so that the unmanned aerial vehicle can be freely switched according to spraying materials before spraying operation;

2. the spraying pipe is communicated with the outlet of the liquid outlet pipe and is arranged on the circumferential surface of the switching box in a surrounding manner, so that the spraying process of liquid such as medicaments is more uniform and reliable;

3. through set up a plurality of isolation grooves between solid feed inlet and liquid feed inlet for liquid such as medicament can not flow into the solid feed inlet from the bin and the clearance of switching between the case spraying the in-process, make unmanned aerial vehicle spray and liquid can mutual independence, mutual noninterference when spraying at the solid.

Drawings

Fig. 1 is a schematic structural diagram of an unmanned aerial vehicle in an embodiment of the present application;

fig. 2 is an exploded schematic view of a drone in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a switching box in the embodiment of the present application;

fig. 4 is a sectional view of the switching box in the embodiment of the present application.

Description of reference numerals: 1. a body; 11. a support arm; 12. a rotor; 13. a motor; 2. a storage tank; 21. a discharge port; 22. a circular groove; 221. a bearing; 3. a switching box; 31. a solids feed port; 32. a liquid feed port; 33. a solids spray port; 34. an isolation trench; 341. a return pipe; 35. an absorption tank; 351. absorbing cotton; 4. a liquid outlet pipe; 41. a spray tube; 411. a spray head; 42. a water pump; 5. a fixing assembly; 51. an upper connecting lug; 52. a lower engaging lug; 53. a bolt; 6. and (4) a baffle ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses plant protection unmanned aerial vehicle. Referring to fig. 1, plant protection unmanned aerial vehicle includes organism 1, and organism 1's fixed connection all around has the support arm 11 of horizontal extension, and support arm 11 deviates from organism 1's one end fixedly connected with motor 13, and motor 13's the vertical just fixedly connected with rotor 12 of output shaft upwards. The bottom of the machine body 1 is fixedly connected with a storage tank 2 for storing objects to be sprayed. The bottom of bin 2 is rotated and is connected with switching case 3, and switching case 3 is provided with a plurality of passageways, will spray the different application scenes of solid or liquid to unmanned aerial vehicle, can switch case 3 through rotating for different passageways realize with bin 2 intercommunication respectively.

With reference to fig. 2 and 3, a circular groove 22 is formed in the top center of the switch box 3, a bearing 221 is embedded in the circular groove 22, an outer ring of the bearing 221 is in interference fit with the circular groove 22, and a rotating shaft is fixedly disposed in the center of the lower surface of the storage box 2 and in interference fit with an inner ring of the bearing 221, so that the storage box 2 and the switch box 3 form a rotating fit.

Combine fig. 2 and fig. 3, discharge gate 21 has been seted up to the bottom position department of bin 2, discharge gate 21 is located the non-central point department of bin 2 bottom, solid feed inlet 31 and liquid feed inlet 32 have been seted up to the upper surface of switch box 3, and the horizontal projection of discharge gate 21 is located the line that uses the center of solid feed inlet 31 and the center of liquid feed inlet 32 to be the circumference of diameter, a plurality of solid spraying openings 33 that link up oneself have been seted up to the bottom of switch box 3, switch box 3 is inside to be provided with drain pipe 4, the one end and the liquid feed inlet 32 intercommunication of drain pipe 4, the other end stretches out from the lateral wall of switch box 3 and has spray tube 41 together, spray tube 41's fixed shower nozzle 411 that is provided with in bottom, shower nozzle 411 communicates with spray tube 41. When solid substances such as seeds and powder need to be sprayed, the switching box 3 is rotated, the discharge port 21 is communicated with the solid feeding port 31, the solid substances are supplemented into the storage box 2 in advance, the solid substances enter the switching box 3 along the discharge port 21 and the solid feeding port 31, and finally the solid substances are sprayed out from the solid spraying port 33, so that the unmanned aerial vehicle can spray the solid substances; when liquid substances such as medicaments need to be sprayed, the switching box 3 is rotated to enable the liquid feeding hole 32 to be communicated with the discharging hole 21, the liquid substances enter the switching box 3 through the liquid feeding hole 32 from the storage box 2, then enter the spraying pipe 41 along the liquid outlet pipe 4, and finally are sprayed out from the spraying head 411. In summary, the solid and liquid materials have different flow paths, and are independent and do not interfere with each other.

With reference to fig. 2 and 4, a water pump 42 is connected between the spraying pipe 41 and the liquid outlet pipe 4, and the water pump 42 can smoothly pump out liquid substances entering the liquid outlet pipe 4 to provide a spraying power source, thereby improving the smoothness of spraying liquid substances such as medicaments.

As shown in fig. 3, switching box 3 reduces gradually from top to bottom cross sectional dimension, and spray tube 41 is the annular setting and encircles the circumferential surface of switching box 3, and spray tube 41 is fixed with the circumferential surface of switching box 3, and shower nozzle 411 sets up a plurality ofly, and a plurality of shower nozzles 411 evenly set up at the bottom interval of spray tube 41, and at the liquid in-process such as spraying the medicament, the annular setting of spray tube 41 can improve the degree of consistency of spraying.

As shown in fig. 2, a fixing assembly 5 is disposed at a bottom position of the storage box 2 and a top position of the switch box 3, the fixing assembly 5 includes an upper engaging lug 51, a lower engaging lug 52 and a bolt 53, wherein the upper engaging lug 51 is fixed to a sidewall of the storage box 2, the upper engaging lug 51 is provided with a through hole passing through vertically, the lower engaging lug 52 is fixed to a sidewall of the switch box 3 and is connected to the bottom to form a through hole passing through vertically, in this embodiment, the upper engaging lug 51 includes two sets symmetrically disposed with respect to a center line of the storage box 2, the lower engaging lug 52 includes two sets symmetrically disposed with respect to a center line of the switch box 3, and when the discharge port 21 is in direct communication with the solid feed port 31 or the liquid feed port 32, the upper engaging lug 51 is directly opposite to the lower engaging lug 52, the bolt 53 vertically passes through the through hole of the upper engaging lug 51 and the through hole of the lower engaging lug 52, so that the storage box 2 and the switch box 3 can be fixed relatively, ensure that unmanned aerial vehicle remains stable when spraying the operation.

Combine fig. 3 and fig. 4, a plurality of isolation grooves 34 have been seted up to the upper surface of switch box 3, a plurality of isolation grooves 34 all are located between solid feed inlet 31 and the liquid feed inlet 32, in this embodiment, a plurality of isolation grooves 34 are parallel to each other, one side that isolation groove 34 is close to liquid feed inlet 32 is the slope setting, and the incline direction is upwards for inclining gradually towards the direction that is close to liquid feed inlet 32, when the feed inlet was sprayed in order to carry out the liquid material with liquid feed inlet 32 intercommunication, isolation groove 34 can collect the liquid of overflow space between switch box 3 and bin 2, thereby the liquid volume that flows into solid feed inlet 31 has been reduced, thereby the independence between solid feed inlet 31 and the liquid feed inlet 32 has been improved.

As shown in fig. 4, a return pipe 341 is further disposed inside the switching box 3, one end of the return pipe 341 is communicated with the bottom of the isolation tank 34, and the other end of the return pipe 341 is inclined downward and communicated with the liquid outlet pipe 4, so that the liquid flowing into the isolation tank 34 can flow back into the liquid outlet pipe 4 along the return pipe 341 again for recycling, thereby reducing waste.

An absorption groove 35 is arranged between the isolation groove 34 closest to the solid feed port 31 and the solid feed port 31, the absorption groove 35 is arranged on the upper surface of the switching box 3, the absorption cotton 351 is filled in the absorption groove 35, the top end of the absorption cotton 351 does not exceed the groove top of the absorption groove 35, and in the liquid substance spraying operation process, liquid overflowing all the isolation grooves 34 can flow into the absorption groove 35 and be absorbed by the absorption cotton 351, so that the independence between the solid feed port 31 and the liquid feed port 32 is stronger.

Bottom position department fixedly connected with of switching box 3 keeps off ring 6, keeps off ring 6 and is the ring form and encircles and set up around switching box 3, keeps off the bottom that ring 6 is less than switching box 3, and keeps off ring 6 from last to being the horn mouth setting down, keeps off the setting of ring 6 for shower nozzle 411 is carrying out liquid when spraying, and the liquid that sprays out can not drench the bottom of the case of switching box 3, thereby has improved the mutual independence that the solid matter sprayed and the liquid matter sprayed.

The implementation principle of a plant protection unmanned aerial vehicle in the embodiment of the application is as follows: when liquid substances such as medicaments are required to be sprayed, firstly, the liquid required to be sprayed is supplemented into the storage box 2, then the switching box 3 is rotated, the discharge port 21 is communicated with the liquid feed port 32, the bolt 53 is inserted into through holes of the upper connecting lug 51 and the lower connecting lug 52 for fixation, the liquid substances in the storage box 2 can enter the liquid outlet pipe 4 from the discharge port 21 and the liquid feed port 32, the unmanned aerial vehicle is started to fly, the water pump 42 is started, the liquid substances can enter the spraying pipe 41 from the liquid outlet pipe 4, and finally the liquid substances are sprayed out from the spray head 411, so that the spraying of the liquid substances is realized; when needs carry out the powder, the operation of spraying of solid matter such as seed, the unmanned aerial vehicle that need not to renew, operating personnel only need to supply the solid matter that needs to spray in bin 2 in advance, then rotate switch box 3, make solid feed inlet 31 and discharge gate 21 intercommunication, insert bolt 53 again and fix in engaging lug 51 and lower engaging lug 52's the through-hole, unmanned aerial vehicle takes off the back, the solid matter can get into inside switch box 3, and realize spraying of solid matter from the solid spraying mouth 33 of switch box 3 bottom. In conclusion, this application can realize that the solid matter sprays or the liquid matter sprays the free switching of operation, has enlarged unmanned aerial vehicle's application scope.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a plant protection unmanned aerial vehicle, includes organism (1), its characterized in that: the bottom of the machine body (1) is fixedly connected with a storage box (2), a discharge hole (21) is formed in the bottom of the storage box (2), the bottom of the storage box (2) is rotatably connected with a switching box (3), a solid feed hole (31) and a liquid feed hole (32) which are symmetrical along the center of the upper surface of the switching box (3) are formed in the upper surface of the switching box, the horizontal projection of the discharge hole (21) is located on a circumferential surface which takes a connecting line between the solid feed hole (31) and the liquid feed hole (32) as a diameter, a solid spraying hole (33) communicated with the solid feed hole (31) is formed in the bottom of the switching box (3), and the liquid feed hole (32) is communicated with a liquid outlet pipe (4) which extends into the switching box (3) and penetrates through the circumferential surface of the switching box (3);

the upper surface of the switching box (3) is provided with a plurality of isolation grooves (34), and the isolation grooves (34) are located between the solid feed port (31) and the liquid feed port (32);

a return pipe (341) is communicated with the bottom of the isolation groove (34), the other end of the return pipe (341) is communicated with the liquid outlet pipe (4), and one side of the isolation groove (34) facing the liquid feed port (32) is obliquely arranged;

an absorption groove (35) is arranged between the solid feeding hole (31) and the corresponding isolation groove (34), absorption cotton (351) is placed at the bottom of the absorption groove (35), and the top end of the absorption cotton (351) does not exceed the top of the absorption groove (35);

a circular groove (22) is formed in the upper surface of the switching box, a bearing (221) is arranged in the circular groove (22) in an interference fit mode, a rotating shaft is fixedly arranged on the upper surface of the storage box, and the rotating shaft is inserted into an inner ring of the bearing (221) and is in interference fit with the inner ring;

the bottom of the switching box (3) is fixedly provided with a baffle ring (6), and the baffle ring (6) surrounds the circumferential surface of the switching box (3) and is in a horn mouth shape from top to bottom.

2. The plant protection unmanned aerial vehicle of claim 1, wherein: one end of the liquid outlet pipe (4) penetrating out of the switching box (3) is communicated with a spraying pipe (41), the spraying pipe (41) is in a circular ring shape and surrounds a circumferential surface fixed on the switching box (3), and a spray head (411) is communicated and arranged below the spraying pipe (41).

3. The plant protection unmanned aerial vehicle of claim 1, wherein: the inclined direction of the isolation groove (34) is gradually inclined upwards towards one side close to the liquid feeding hole (32).

4. The plant protection unmanned aerial vehicle of claim 1, wherein: the bottom of bin (2) and the top position department of switching case (3) are provided with fixed subassembly (5), fixed subassembly (5) are including engaging lug (51), engaging lug (52) and bolt (53) down, it is fixed with the circumference face of bin (2) to go up engaging lug (51), it is fixed with the circumference face of switching case (3) to go up engaging lug (52) down, and go up engaging lug (51) and lower engaging lug (52) just right from top to bottom, bolt (53) are vertical to pass upper engaging lug (51) and lower engaging lug (52) downwards.

5. The plant protection unmanned aerial vehicle of claim 1, wherein: the switching box (3) is arranged in a necking shape from top to bottom.