CN210000597U - Spraying assembly and unmanned aerial vehicle with same - Google Patents
Spraying assembly and unmanned aerial vehicle with same Download PDFInfo
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- CN210000597U CN210000597U CN201920641008.4U CN201920641008U CN210000597U CN 210000597 U CN210000597 U CN 210000597U CN 201920641008 U CN201920641008 U CN 201920641008U CN 210000597 U CN210000597 U CN 210000597U
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Abstract
The utility model discloses an spray assembly and unmanned aerial vehicle who has it, including the spray lance, the shower nozzle is established the end of spray lance, liquid conveying pipe locate the spray lance and with the shower nozzle link to each other in order to shower nozzle transport liquid, the safety cover is established being equipped with of spray lance end and the dustcoat of shower nozzle are in the outside of shower nozzle, keeping away from of safety cover the end of spray lance is sealed just be equipped with the liquid outlet on the periphery wall of safety cover, the liquid that the shower nozzle sprayed passes through the liquid outlet blowout.
Description
Technical Field
The utility model belongs to the technical field of the technique of plant protection equipment and specifically relates to relate to kinds of unmanned aerial vehicle that sprays the subassembly and have it.
Background
Among the correlation technique, spray the subassembly and when stretching into the canopy inside of fruit tree or crops and spray the operation, the shower nozzle of spraying the subassembly can appear scraping each other with fruit tree or crops etc. and collude phenomenon such as stumbling, fragile shower nozzle, damage crops from this, and then make the life who sprays the subassembly lower relatively, the fail safe nature of spraying the subassembly during operation is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a of the technical problem who exists among the at least solution prior art for this, the utility model discloses a aim at propose kind and spray the subassembly, can protect the shower nozzle effectively, make the shower nozzle spaced apart with external object of spraying, prevent that the shower nozzle from scraping each other with fruit tree or crops and trip and damage shower nozzle or damage crops when spraying the liquid medicine, and then the life of extension spraying the subassembly, improve the fail safe nature who sprays the subassembly work.
The utility model discloses kinds of unmanned aerial vehicle are still proposed, including foretell spraying assembly.
The utility model discloses a spray assembly, including the spray lance, the shower nozzle is established at the end of spray lance, the liquid conveying pipe is located the spray lance and with the shower nozzle links to each other in order to the shower nozzle carries liquid, the safety cover is established end and the dustcoat that are equipped with the shower nozzle of spray lance are in the outside of shower nozzle, the end of safety cover far away from the spray lance is sealed and be equipped with the liquid outlet on the periphery wall of safety cover, the liquid that the shower nozzle sprayed is through the liquid outlet blowout.
According to the utility model discloses spray the subassembly, through setting up the safety cover, make the safety cover establish in the spray lance be equipped with the end of shower nozzle and the dustcoat in the outside of shower nozzle, end closure and the periphery wall of safety cover of keeping away from the spray lance of safety cover are equipped with the liquid outlet, the liquid that the shower nozzle sprayed passes through the liquid outlet blowout to can protect the shower nozzle effectively, make the shower nozzle separate with external spraying object (for example fruit tree or crops), prevent to to certain extent that the shower nozzle from scraping each other with fruit tree or crops when spraying the liquid medicine and collude and trip and damage shower nozzle or damage crops, and then can prolong the life who sprays the subassembly to certain extent at , improve the fail safe nature who sprays the subassembly work.
According to the utility model discloses an some embodiments, the safety cover with the spray lance can be dismantled and link to each other.
In of the present invention, the protective cover is threadedly engaged with the spray bar.
According to some embodiments of the utility model discloses an , the safety cover with the spray lance is physically formed parts.
According to the utility model discloses an some embodiments, the safety cover includes the connecting cylinder, end of connecting cylinder links to each other with the spray lance, the cover body with the other end of connecting cylinder links to each other, the liquid outlet is established on the periphery wall of the cover body, the part of the spun-out liquid of shower nozzle is located in the cover body.
In embodiments of the present invention, the cross-sectional area of the protective cover decreases in a direction away from the spray bar.
In of the present invention, the outer wall of the cover is formed as a spherical cap.
According to of the utility model, the spray lance forms into hollow structure, the end of liquid conveying pipe is located in the spray lance in order to link to each other with the shower nozzle.
In embodiments of the present invention, the nozzle is a centrifugal nozzle, the centrifugal nozzle includes a nozzle body and a centrifugal spray disk connected to each other, the nozzle body is located in the spray rod and connected to the liquid conveying pipe, and the centrifugal spray disk is located outside the spray rod and connected to the nozzle body.
According to the utility model discloses an some embodiments, the length of spray lance is adjustable, the spray lance has stiff end and free end, the shower nozzle is established the free end.
In of the present invention, the liquid delivery tube is adjustable in length.
In the embodiments of the present invention, the liquid delivery pipe includes a delivery pipe and a second delivery pipe, the end of the second delivery pipe is connected to the sprayer, and the other end of the second delivery pipe is inserted into the delivery pipe and slidably connected to the delivery pipe.
According to the utility model discloses unmanned aerial vehicle, include: a body; spray the subassembly, it is according to spray the subassembly of the utility model discloses above-mentioned embodiment, spray the subassembly and be connected to on the fuselage.
According to the utility model discloses unmanned aerial vehicle, through setting up the basis the utility model discloses the subassembly that sprays of above-mentioned embodiment to can protect the shower nozzle effectively, make the shower nozzle separate with external object (for example fruit tree or crops) of spraying, prevent to to a certain extent that the shower nozzle from scraping each other with fruit tree or crops and colluding when spraying the liquid medicine and stumble and damage shower nozzle or damage crops, and then can prolong unmanned aerial vehicle's life to a certain extent at , improve the fail safe nature of unmanned aerial vehicle work.
According to the utility model discloses an some embodiments, unmanned aerial vehicle still includes the horn on the length direction of horn the horn has end and second end, the horn the end with the fuselage links to each other, the second end of horn and/or be equipped with on the fuselage spray the subassembly.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of embodiments of a spray assembly according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is an exploded view of a spray assembly according to embodiments of the present invention;
fig. 4 is a partial schematic view of a spray assembly according to embodiments of the present invention;
FIG. 5 is a sectional view taken in the direction B-B in FIG. 4;
fig. 6 is a schematic view illustrating the spraying process of the spraying assembly for spraying liquid medicine onto fruit trees, wherein the spraying head is a centrifugal spraying head;
fig. 7 is a schematic diagram of length adjustment of the spray rod according to embodiments of the present invention;
fig. 8 is a schematic diagram of an unmanned aerial vehicle according to embodiments of the present invention;
fig. 9 is a schematic diagram of a drone according to some embodiments of the present invention .
Reference numerals:
a spray assembly 100;
a spray rod 1; a fixed end 1 a; a free end 1 b; a tubular body 12; a cylinder body 13;
a spray head 2; a head body 211; a centrifugal spray disk 212;
a liquid delivery pipe 3;
a protective cover 5; a liquid outlet 51; a connecting cylinder 52; a cover 53;
an unmanned aerial vehicle 1000;
a body 200;
a horn 300, an th end 300a, a second end 300 b;
400 of fruit trees;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A spray assembly 100 according to an embodiment of the present invention is described below with reference to fig. 1-7. Wherein spray subassembly 100 can be used to plant protection equipment such as unmanned aerial vehicle 1000, agricultural robot and spray work in order to realize plant protection equipment. The use of the spray assembly 100 in the drone 1000 is described in detail below as an example.
As shown in fig. 1-7, a spray assembly 100 according to an embodiment of the present invention includes: spray bar 1, spray head 2, liquid delivery pipe 3 and protective cover 5.
Specifically, the spray head 2 is disposed at end of the spray bar 1, and the liquid delivery pipe 3 is disposed on the spray bar 1 and connected to the spray head 2 to deliver liquid to the spray head 2. therefore, it can be understood that the spray head 2 can move synchronously with the spray bar 1, and the liquid delivery pipe 3 can deliver liquid to the spray head 2, so as to achieve the function of the spray assembly 100 to spray liquid (such as water or liquid medicine, etc.).
The protective cover 5 is arranged at the end of the spray rod 1, which is provided with the spray head 2, and the protective cover is covered outside the spray head 2, the end of the protective cover 5, which is far away from the spray rod 1, is closed, the peripheral wall of the protective cover 5 is provided with the liquid outlet 51, and the liquid sprayed by the spray head 2 is sprayed out through the liquid outlet 51, so that the liquid is sprayed out through the liquid outlet 51 on the protective cover 5, and then the fruit tree 400 or crops can be sprayed out, and further the spraying function of the spraying component 100 can be realized.
The structure setting of safety cover 5 can protect shower nozzle 2 effectively, makes shower nozzle 2 and external spraying object (for example fruit tree 400 or crops) spaced apart, prevents to degree that shower nozzle 2 from scraping mutually with fruit tree 400 or crops and colluding when spraying the liquid medicine and damage shower nozzle 2 or damage crops, and then can prolong the life of spraying subassembly 100 to degree, improves the fail safe nature of spraying subassembly 100 work.
For example, when the spraying assembly 100 is used for spraying liquid medicine to the fruit tree 400 after the unmanned aerial vehicle 1000, in order to improve the spraying effect of the spraying assembly 100, the interior, the back of the leaves and the trunk of the fruit tree 400 can all receive the medicine, the spray head 2 can be made to extend into the interior of the canopy of the fruit tree 400 along with the spray rod 1 to spray the liquid medicine, at this time, the spray rod 1 can be set to be a structure with adjustable length, and the spray head 2 can be formed into the centrifugal spray head 2. as is known, most branches and leaves of the canopy of the fruit tree 400 are densely distributed, while the flat centrifugal spray disk 212 of the centrifugal spray head 2 is easily blocked by small branches when entering into the interior of the canopy along with the extension of the spray rod 1 and cannot smoothly extend into the canopy, or the centrifugal spray disk 212 is easily hooked by branches when gradually rising away from the canopy along with the shortening of the spray rod 1. meanwhile, the centrifugal spray disk 212 rotating at a high speed is easily damaged after contacting the branches and leaves, and the protective cover 5 can effectively protect the centrifugal spray disk 212, thereby effectively preventing the spray efficiency of the spraying assembly 100 from being sprayed, and further improving the safety of the spraying efficiency of the spraying liquid medicine, and further being beneficial for improving the safety of the spraying assembly 100.
According to the utility model discloses spray assembly 100, through setting up safety cover 5, make safety cover 5 establish the end that is equipped with shower nozzle 2 of spray lance 1 and the dustcoat in the outside of shower nozzle 2, end that the safety cover 5 kept away from spray lance 1 seals and is equipped with liquid outlet 51 on the periphery wall of safety cover 5, the liquid that shower nozzle 2 sprayed spouts through liquid outlet 51, thereby can protect shower nozzle 2 effectively, make shower nozzle 2 and external spraying object (for example fruit tree 400 or crops) separate apart, prevent to a certain extent that shower nozzle 2 from scraping each other with fruit tree 400 or crops and colluding when spraying the liquid medicine and trip and damage shower nozzle 2 or damage crops to , and then can prolong the life who sprays assembly 100 to a certain extent at , improve the fail safe nature of spray assembly 100 work.
The spraying assembly 100 is used for spraying fruit tree 400.
As shown in FIGS. 4 and 5, according to the utility model discloses a embodiments, safety cover 5 can be dismantled with spray lance 1 and link to each other to be convenient for maintain and change shower nozzle 2, also be convenient for clean safety cover 5 simultaneously, be favorable to reducing the occupation space when spraying assembly 100 is idle.
In the embodiments of the present invention, as shown in fig. 4 and 5, the protective cover 5 is screwed with the spray rod 1. therefore, the detachable connection between the protective cover 5 and the spray rod 1 is simple and reliable, and the protective cover 5 and the spray rod 1 are convenient to assemble and disassemble, for example, the outer circumferential wall of the spray rod 1 is provided with external threads, and the inner circumferential wall of the protective cover 5 is provided with internal threads, thereby realizing the screwed connection between the protective cover 5 and the spray rod 1. of course, as shown in fig. 5, the inner circumferential wall of the spray rod 1 is provided with internal threads, and the outer circumferential wall of the protective cover 5 is provided with external threads, thereby realizing the screwed connection between the protective cover 5 and the.
According to the utility model discloses an some embodiments, safety cover 5 is physically formed parts with spray lance 1 to can improve the production and the assembly efficiency who sprays subassembly 100, improve the structural strength who sprays subassembly 100.
According to embodiments of the present invention, as shown in FIGS. 4 and 5, the protective cap 5 includes a connecting cylinder 52 and a cap body 53, wherein the end of the connecting cylinder 52 is connected to the spray bar 1, the cap body 53 is connected to the other end of the connecting cylinder 52, a liquid outlet 51 is provided on the outer peripheral wall of the cap body 53, and the liquid-spraying portion of the spray head 2 is located in the cap body 53. it can be seen that the protective cap 5 has a simple structure and is easy to manufacture, the protective cap 5 is connected to the spray bar 1 through the connecting cylinder 52, and the liquid sprayed from the spray head 2 is sprayed through the liquid outlet 51 on the cap body 53.
Optionally, the liquid outlet 51 of the cover 53 is aligned and opposite to the direction in which the spray head 2 sprays the liquid, so that the liquid sprayed by the spray head 2 can be sprayed out through the liquid outlet 51 of the cover 53 as quickly as possible, the time for the liquid to move in the protective cover 5 is reduced, the spraying efficiency of the spraying assembly 100 is improved, and meanwhile, the situation that the liquid sprayed by the spray head 2 sinks to the bottom wall of the cover 53 far away from the spray rod 1 and cannot be discharged out of the spraying assembly 100 can be avoided to a certain extent at .
Alternatively, the cover body 53 and the connecting cylinder 52 are formed as body molding pieces, so that the production efficiency and the assembly efficiency of the protective cover 5 can be improved.
Optionally, the cover 53 is removably attached to the connector barrel 52. Thus, only the cover body 53 needs to be detached from the connecting cylinder 52, so that the nozzle 2 can be conveniently maintained, replaced and cleaned, and the cover body 53 can be conveniently replaced and cleaned.
Alternatively, the width of the liquid outlet 51 is larger than the width of the liquid sprayed by the spray head 2. Thereby, it is advantageous that the liquid sprayed from the spray head 2 can be sprayed from the liquid outlet 51, which is advantageous in securing the reliability of the use of the spray assembly 100. Here, the width pattern 4 is a vertical direction.
In the embodiments of the present invention, as shown in fig. 4 and 5, the cross-sectional area of the protection cover 5 is gradually reduced in the direction away from the spray rod 1, so as to reduce the occupied space of the protection cover 5 while ensuring the protection effect of the protection cover 5 on the spray head 2, and facilitate the protection cover 5 to enter and exit the inside of the canopy of the fruit tree 400, thereby improving the reliability of the spray assembly 100.
As shown in fig. 4 and 5, in embodiments of the present invention, the outer wall surface of the cover 53 is formed as a spherical cap, so that the friction force applied to the protective cover 5 when moving on the canopy layer can be reduced, the protective cover 5 can be effectively prevented from being caught or blocked by branches, and the branches of the protective cover 5 damaging the fruit tree 400 can be reduced, it should be noted that the outer wall surface of the cover 53 is not limited thereto, and may be formed in other shapes, for example, the outer wall surface of the cover 53 is formed as a conical surface, as long as the protective cover 5 can protect the nozzle 2.
As shown in fig. 2, according to the embodiments of the present invention, the spray rod 1 is formed as a hollow structure, and the end of the liquid delivery pipe 3 is located in the spray rod 1 to connect with the spray head 2, so as to protect the liquid delivery pipe 3 to , and make the liquid delivery pipe 3 more smooth when delivering liquid to the spray head 2, avoid the interference of other parts or external objects, and further improve the reliability of spraying by the spraying assembly 100, and at the same time, facilitate reducing the space occupied by the spraying assembly 100.
According to , the other end of the liquid delivery tube 3 extends from the end of the spray bar 1 away from the spray head 2, thereby facilitating the connection of the liquid delivery tube 3 to a pump body or the like for delivering liquid into the spray head 2.
As shown in fig. 1-3, in the embodiments of the present invention, the nozzle 2 is a centrifugal nozzle 2, the centrifugal nozzle 2 includes a nozzle body 211 and a centrifugal spray disk 212 connected to each other, the nozzle body 211 is located in the spray rod 1 and connected to the liquid delivery pipe 3, the centrifugal spray disk 212 is located outside the spray rod 1 and connected to the nozzle body 211, then, after the liquid medicine flows from the nozzle body 211 to the centrifugal spray disk 212, the centrifugal spray disk 212 rotates at a high speed under the driving of a motor cooperatively connected thereto, so that the liquid medicine in the centrifugal spray disk 212 is accelerated and thrown off from the centrifugal spray disk 212 under the action of centrifugal force to form fine mist droplets, and then sprayed to a spraying object, the nozzle body 211 is located in the spray rod 1, and the centrifugal spray disk 212 is located outside the spray rod 1, so that the centrifugal spray head 2 can be protected to a certain extent by , and the centrifugal spray head 2 can be ensured to spray the liquid medicine, the centrifugal spray head 212 is mainly used for protecting the centrifugal spray disk 212, the nozzle 2 can be formed as a protective cover for protecting the liquid medicine, and the nozzle assembly of the spray rod 2 can be protected by a protective cover 2, so that the nozzle assembly 100 can be effectively protected by the spray head 2, and the spray head 2.
Optionally, as shown in fig. 1 and fig. 2, a liquid outlet 51 is provided on a portion of the outer peripheral wall of the protective cover 5 which is flush with the spraying direction of the centrifugal spray plate 212, so that the protective cover 5 can effectively protect the centrifugal spray plate 212, effectively prevent the centrifugal spray plate 212 from being caught or blocked by branches when entering or exiting the interior of the canopy of the fruit tree 400, and further prolong the service life of the spray assembly 100 to a certain extent at , and the liquid medicine sprayed by the centrifugal spray plate 212 can be sprayed out through the liquid outlet 51.
In the embodiments of the present invention , the nozzle 2 is formed as a centrifugal nozzle, the centrifugal nozzle is located in the spray rod 1, the peripheral wall of the spray rod 1 is provided with a centrifugal outlet facing the centrifugal spray disk 212 of the centrifugal nozzle, the protective cover 5 and the spray rod 1 are pieces, therefore, when the spraying assembly 100 works, the centrifugal spray disk 212 can rotate in the space defined by the spray rod 1, so that the liquid medicine in the centrifugal spray disk 212 is thrown out from the centrifugal spray disk 212 with acceleration under the action of centrifugal force to form fine mist droplets, the fine mist droplets can be thrown out through the centrifugal outlet on the spray rod 1 (at this time, the liquid outlet on the protective cover 5 is located on the part of the protective cover 5 connected with the spray rod 1 and is facing the centrifugal outlet), thereby realizing the spraying work of the spraying assembly 100. the centrifugal nozzle and the protective cover 5 are arranged, the centrifugal nozzle can be effectively protected, the centrifugal nozzle is effectively prevented from being caught or blocked by branches when the spray rod 1 comes in and goes out of the crown layer, and further the service life of the spraying assembly 100 can be prolonged to a certain extent at .
According to the embodiments of the present invention , the length of the spray bar 1 is adjustable, the spray bar 1 has the fixed end 1a and the free end 1b, the spray head 2 is arranged at the free end 1b, therefore, when the length of the spray bar 1 is changed, the distance between the fixed end 1a and the free end 1b of the spray bar 1 is also changed, when the spray bar 1 is extended, the distance between the fixed end 1a and the free end 1b of the spray bar 1 is increased, when the spray bar 1 is shortened, the distance between the fixed end 1a and the free end 1b of the spray bar 1 is decreased, because the spray head 2 is arranged at the free end 1b of the spray bar 1, the spray head 2 can move synchronously with the spray bar 1, when the spray bar 1 is extended, the distance between the spray head 2 and the fixed end 1a of the spray bar 1 is also increased, when the spray bar 1 is shortened, the distance between the spray head 2 and the free end 1a of the spray bar 1 is also decreased, wherein, the fixed end 1a can be connected with the body 200 or the arm 300 of the unmanned aerial vehicle 1000, and the spray head can move up and down, thereby, when the length of the spray head 1 is changed, the unmanned aerial vehicle can spray head 1000 can spray liquid medicine.
Use the utility model discloses spray assembly 100 to be used for unmanned aerial vehicle 1000 back to spray the liquid medicine to fruit tree 400 and explain below.
As shown in fig. 6, in the spraying mode of the fruit tree 400, the unmanned aerial vehicle 1000 is controlled to fly to a position right above the fruit tree 400 to be sprayed with the liquid medicine, and hover after the surface of the canopy (dense top layer of the branches and leaves of the forest tree) of the fruit tree 400 is sprayed in a rotating manner. The length of the spray bar 1 is then adjusted to extend the length of the spray bar 1, and the spray heads 2 can extend down the fruit tree 400 as the spray bar 1 extends. When the spray head 2 moves downwards along with the spray rod 1 to enter a tree crown (a part above a trunk and collecting branches and leaves), the spray head 2 is opened to spray liquid medicine to the fruit tree 400, the spray head 2 gradually extends downwards along with the gradual extension of the spray rod 1, and the liquid medicine can be continuously sprayed to the fruit tree 400 in the process of extending downwards, so that the liquid medicine can be sprayed to the middle lower part of the fruit tree 400 from the crown layer to the crown layer. Therefore, the inner part of the crown, the leaf back and the trunk of the fruit tree 400 can receive the medicine. Thereby improving the actual spraying efficiency of the spray assembly 100 and the effectiveness of the spray solution.
It should be noted that, the distance that spray lance 1 is elongated can be according to the actual crown depth of spraying the object and input in advance and spray the operation parameter, and unmanned aerial vehicle 1000's electrically controlled device can control the distance that spray lance 1 downwardly extended according to the spraying depth of input to scan formula spraying from the top down is carried out to crown inside in the vertical direction, and spray lance 1 extends to the back and begins to contract back, and the shrink in-process shower nozzle 2 can continue to spray also can close (according to the actual required medicine yield of fruit tree 400400 and decide). Thereby making the use of the drone 1000 and the spraying operation of the spray assembly 100 more flexible and controllable.
Therefore, the utility model discloses spray subassembly 100, adjustable through the length that makes spray lance 1 to can make the medicine that receives that sprays the object more even to degree, for example can make the canopy of fruit tree 400, inside the crown, the back of the leaf and trunk all can receive the medicine, thereby can fully spray the liquid medicine to the canopy of fruit tree 400 inside, and then can improve the efficiency of spraying subassembly 100 effectively, improve the effect of spraying subassembly 100 spraying liquid medicine.
Simultaneously when shower nozzle 2 reciprocates in the crown layer along with spray lance 1, shower nozzle 2 can be protected effectively to safety cover 5, avoids spraying subassembly 100 effectively and catches or block by the branch and damage shower nozzle 2 or the branch and leaf of damage fruit tree 400 when the crown layer is inside in the discrepancy, and then can spray subassembly 100's life at extension certain degree, improves the fail safe nature who sprays subassembly 100 work.
According to the utility model discloses an some embodiments, spray lance 1 includes the pump body (not shown), body 12 and cylinder 13, the pump body and body 12 are located the relative both sides of cylinder 13 and communicate with cylinder 13 respectively, the pump body is used for filling fluid in cylinder 13 or from suction fluid in cylinder 13, body 12 is movably established in cylinder 13, shower nozzle 2 is established at the end of body 12 of keeping away from the pump body, when the pump body fills fluid in cylinder 13, part of body 12 stretches out cylinder 13 towards the direction of keeping away from the pump body, when the fluid in the pump body suction cylinder 13, body 12 retracts towards cylinder 13.
Therefore, the length adjustment of the spray rod 1 can be realized through the piston type matching of the pump body, the pipe body 12 and the cylinder body 13, when the spray rod 1 needs to be extended, fluid can be filled into the cylinder body 13 through the pump body, so that the fluid pressure in the cylinder body 13 is increased, the pipe body 12 extends out of the cylinder body 13 towards the direction far away from the pump body under the action of pressure difference, and the spray head 2 moves under the driving of the pipe body 12. When the spray rod 1 needs to be shortened, fluid in the cylinder 13 can be sucked through the pump body, so that the pressure of the fluid in the cylinder 13 is reduced, the pipe body 12 is further moved towards the direction close to the pump body under the action of pressure difference to retract the cylinder 13, and the spray head 2 is driven by the pipe body 12 to move. This enables the length adjustment process of the spray bar 1. The structure of the spray bar 1 is reliable. It should be noted that the fluid is a generic term for gas and liquid, so that the pump body can be filled with gas (in this case, the pump body is a gas pump) like the cylinder 13, or can be filled with liquid (in this case, the pump body is a liquid pump) like the cylinder 13.
For example, as shown in fig. 8, the head 2 is fixed to the lowermost end of the spray bar 1, and the up-and-down movement of the head 2 is realized by controlling the extension and contraction of the spray bar 1 during operation. Taking a hydraulic (or pneumatic) boom 1 as an example, a tubular body 12 of the boom 1 is a piston-type sleeve. When the spray rod 1 needs to be extended, a liquid pump (or an air pump) is used for filling liquid (or inflating gas) into a cylinder body 13 connected with the piston type sleeve, and the piston type sleeve is pushed to move forwards through the action of hydraulic pressure (or air pressure) so as to achieve the extension of the spray rod 1. Conversely, when the spray bar 1 needs to be retracted, liquid (or gas) is pumped out of the cylinder 13 by the liquid pump (or the gas pump), negative pressure is formed in the cylinder 13, and the piston sleeve retracts to realize the contraction of the spray bar 1.
It should be noted that the spray bar 1 may use a spray bar 1 in the form of a hydraulic or pneumatic cylinder, and that an electric spray bar 1 or other spray bar 1 may also be used. As long as the length-adjustable reliability of the spray rod 1 is ensured.
According to the embodiments of the present invention, the length of the liquid conveying pipe 3 is adjustable, it can be known that the liquid conveying pipe 3 can be matched with the length of the spray rod 1, when the length of the spray rod 1 is increased, the length of the liquid conveying pipe 3 can also be increased, when the length of the spray rod 1 is shortened, the length of the liquid conveying pipe 3 can also be shortened, thereby effectively preventing the liquid conveying pipe 3 from being elongated or extruded and deformed due to the length change of the spray rod 1, the reliability of the structure of the liquid conveying pipe 3 can be ensured, further ensuring the reliability of the liquid conveying pipe 3 conveying liquid to the spray head 2, and improving the reliability of the spraying assembly 100.
The embodiments of the present invention can adjust the length of the liquid delivery pipe 3 inside the spray bar 1, so that the length of the liquid delivery pipe 3 inside the spray bar 1 can be matched with the length of the spray bar 1, when the length of the spray bar 1 is increased, the length of the liquid delivery pipe 3 inside the spray bar 1 can be increased, when the length of the spray bar 1 is shortened, the length of the liquid delivery pipe 3 inside the spray bar 1 can be shortened, thereby effectively preventing the liquid delivery pipe 3 from being elongated or extruded due to the length change of the spray bar 1, ensuring the reliability of the structure of the liquid delivery pipe 3, ensuring the reliability of the liquid delivery pipe 3 to the spray head 2, and improving the reliability of the spray assembly 100.
In the embodiments of the present invention, the liquid delivery pipe 3 is formed as a flexible hose, such as a bellows, as shown in fig. 2 and 3, so as to ensure the adjustable length of the liquid delivery pipe 3, and thus the reliability of the liquid delivery pipe 3 to the spray head 2.
In the embodiments of the present invention, the liquid delivery tube 3 includes a delivery tube and a second delivery tube, the 0 end of the second delivery tube is connected to the nozzle 2, and the other end of the second delivery tube is inserted into the delivery tube and slidably connected to the delivery tube, therefore, the length adjustment of the liquid delivery tube 3 is achieved by sliding the second delivery tube relative to the delivery tube, when the liquid delivery tube 3 is extended, the end of the second delivery tube connected to the nozzle 2 moves in a direction away from the delivery tube, and when the liquid delivery tube 3 is shortened, the end of the second delivery tube connected to the nozzle 2 moves in a direction close to the delivery tube.
As shown in fig. 1-9, according to the utility model discloses unmanned aerial vehicle 1000 includes: the body 200 and the spray assembly 100, the spray assembly 100 is the spray assembly 100 according to the above-mentioned embodiment of the present invention, and the spray assembly 100 is connected to the body 200. Wherein the manner in which the spray assembly 100 is attached to the body 200 is not limited. For example, the spray assembly 100 may be disposed directly on the body 200, or the spray assembly 100 may be coupled to the body 200 via other structures (e.g., the horn 300). As long as the reliability of the connection of the spray assembly 100 to the body 200 is ensured, the reliability of the spray assembly 100 in spraying the liquid medicine is ensured.
According to the utility model discloses unmanned aerial vehicle 1000, through setting up the basis the utility model discloses spray assembly 100 of above-mentioned embodiment to can protect shower nozzle 2 effectively, make shower nozzle 2 and external object (for example fruit tree 400 or crops) of spraying separate, prevent that shower nozzle 2 from scraping each other with fruit tree 400 or crops and colluding when spraying the liquid medicine and trip and damage shower nozzle 2 or damage crops to degree, and then can prolong unmanned aerial vehicle 1000's life to degree, improve the fail safe nature of unmanned aerial vehicle 1000 work.
As shown in fig. 8-9, according to embodiments of the present invention, the drone 100 further includes a horn 300, the horn 300 has a th end 300a and a second end 300b in the length direction of the horn 300, the th end 300a of the horn 300 is connected to the fuselage 200, and the second end 300b of the horn 300 and/or the fuselage 200 are provided with the spraying assemblies 100. it can be seen that, in the embodiments of the present invention, the spraying assemblies 100 may be provided only on the second end 300b of the horn 300, the spraying assemblies 100 may be provided only on the fuselage 200, and the spraying assemblies 100 may be provided on the second end 300b of the horn 300 and the fuselage 200, respectively, and at this time, the spraying assemblies 100 are multiple, thereby making the position of the spraying assemblies 100 more flexible, and the position of the spraying assemblies 100 may be set according to the actual application of the drone 100.
Specifically, as shown in fig. 8 and 9, the drone 1000 further includes a rotor assembly 500, the rotor assembly 500 being disposed on the second end 300b of the horn 300, thereby ensuring the normal flight of the drone 100, the plurality of horns 300, the plurality of rotor assemblies 500, and the plurality of rotor assemblies 500 being disposed in correspondence with the plurality of horns 300 .
The utility model discloses an embodiments, spray lance 1's length is adjustable to can make the medicine that receives that sprays the object more even to degree, for example can make the canopy of fruit tree 400, the crown is inside, the back of the leaf and trunk all can receive the medicine, thereby can fully spray the liquid medicine to the canopy of fruit tree 400 or crops inside, and then can improve spraying assembly 100's spraying efficiency effectively, improve the effect of spraying assembly 100 spraying liquid medicine, simultaneously can know, the utility model discloses an unmanned aerial vehicle 100, through install length-adjustable spray lance 1 additional on unmanned aerial vehicle 100, install shower nozzle 2 in spray lance 1's end, the end of spray lance 1's the shower nozzle 2 of keeping away from is fixed in suitable position (horn 300 and/or fuselage 200), when spraying the liquid medicine to fruit tree 400, the accessible is adjusted spray lance 1's length and is sprayed with 2 deep crown inside, the problem of branch and leaf entering the depths of tree crown and leaf depths and leaf etc. of the hidden area is gone into to the liquid medicine that unmanned aerial vehicle 100 can's plant protection effect when carrying out the spraying of fruit tree 400 plant protection spraying, thereby improve the plant diseases and insect pests effect of.
The structure of an unmanned aerial vehicle 1000 according to embodiments of the present invention will be described in detail with reference to fig. 1-9, but it should be noted that the following description is only exemplary, and it is obvious that a person skilled in the art may combine, replace, modify the technical solutions or some technical features thereof after reading the technical solutions of the present invention described below, and this also falls into the protection scope of the present invention.
As shown in fig. 1-9, according to the utility model discloses unmanned aerial vehicle 1000 includes: fuselage 200, horn 300, rotor assembly 500, and spray assembly 100.
Specifically, four spaced apart arms 300 are provided on fuselage 200, and each arm 300 has th end 300a and second end 300b in the length direction of each arm 300, th end 300a is connected to fuselage 200, and second end 300b is provided with rotor assembly 500 and spraying assembly 100. rotor assembly 500 is provided to ensure the normal flight of drone 1000. spraying assembly 100 is also provided at the lower end of fuselage 200.
The spray assembly 100 includes: spray lance 1, shower nozzle 2, liquid delivery pipe 3, safety cover 5 and electric control unit.
Wherein the spray rod 1, the spray rod 1 has a fixed end 1a and a free end 1b, the spray head 2 is arranged at the free end 1b, the spray rod 1 is formed into a hollow structure, and the end of the liquid conveying pipe 3 is positioned in the spray rod 1 and is connected with the spray head 2 to convey liquid to the spray head 2.
The spray head 2 is a centrifugal spray head 2, the centrifugal spray head 2 comprises a spray head body 211 and a centrifugal spray disc 212 which are connected with each other, the spray head body 211 is positioned in the spray rod 1 and is connected with the liquid conveying pipe 3, and the centrifugal spray disc 212 is positioned on the outer side of the spray rod 1 and is connected with the spray head body 211.
The protective cover 5 comprises a connecting cylinder 52 and a cover body 53, wherein an external thread is arranged on the outer peripheral wall of the upper end of the connecting cylinder 52, an internal thread is arranged on the inner peripheral wall of the free end 1b of the spray rod 1, the connecting cylinder 52 is in threaded fit connection with the free end 1b of the spray rod 1, the cover body 53 is connected with the other end of the connecting cylinder 52 and covers the outer side of the off-line spray disk, a liquid outlet 51 is arranged on the part, opposite to the spraying liquid direction, of the centrifugal spray disk 212 of the outer peripheral wall of the cover body 53, so that liquid medicine sprayed by the centrifugal spray disk 212 can be conveniently discharged from the liquid outlet 51, the outer wall surface of the cover body 53 is formed into a spherical crown, the cover body 53 and the connecting cylinder 52 are pieces, the length of the spray rod 1 is adjustable, the liquid conveying pipe.
Use the utility model discloses unmanned aerial vehicle 1000 sprays the liquid medicine to fruit tree 400 to explain below.
Under the spraying mode of the fruit tree 400, the unmanned aerial vehicle 100 is controlled to fly to the position right above the fruit tree 400 needing to be sprayed with the liquid medicine, and the fruit tree 400 is hovered after the surface of a canopy (dense top layer of forest branches and leaves) of the fruit tree 400 is sprayed in a rotating mode. The length of the spray bar 1 is then adjusted to extend the length of the spray bar 1, and the spray heads 2 can extend down the fruit tree 400 as the spray bar 1 extends. When the spray head 2 moves downwards along with the spray rod 1 to enter a tree crown (a part above a trunk and collecting branches and leaves), the spray head 2 is opened to spray liquid medicine to the fruit tree 400, the spray head 2 gradually extends downwards along with the gradual extension of the spray rod 1, and the liquid medicine can be continuously sprayed to the fruit tree 400 in the process of extending downwards, so that the liquid medicine can be sprayed to the middle lower part of the fruit tree 400 from the crown layer to the crown layer. Therefore, the inner part of the crown, the leaf back and the trunk of the fruit tree 400 can receive the medicine. Thereby improving the actual spraying efficiency of the spray assembly 100 and the effectiveness of the spray solution.
The protective cover 5 protects the centrifugal spray disk 212 in the cover body 53, thereby effectively preventing the spray bar 1 from being hooked or blocked by branches when the spray head 2 enters or exits the interior of the canopy.
To sum up, in the utility model discloses an in the unmanned aerial vehicle 1000 of specific embodiment, can make to a certain extent spray that the object receives the medicine more even, can fully spray the liquid medicine to fruit tree 400 crown inside, and then can improve the efficiency of spraying subassembly 100 effectively, improve the effect of spraying subassembly 100 spraying liquid medicine, simultaneously can protect shower nozzle 2 effectively, make shower nozzle 2 and fruit tree 400 spaced apart, prevent that shower nozzle 2 from scraping each other with fruit tree 400 when spraying the liquid medicine and colluding and stumble and damage shower nozzle 2 or damage the fruit tree to a certain extent , and then can prolong unmanned aerial vehicle 1000's life to a certain extent at , improve the fail safe nature of unmanned aerial vehicle 1000 work.
Other configurations and operations of the drone 1000 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the positional or positional relationships illustrated in the accompanying drawings for convenience in describing the invention only and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" shall be construed , for example, they may be fixedly connected, detachably connected, or physically connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, and communicating between two elements.
In the description herein, reference to the terms " embodiments," " embodiments," "exemplary embodiments," "examples," "specific examples," or " examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least embodiments or examples of the invention.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (14)
- A spray assembly of the type , comprising:a spray rod;the spray head is arranged at the end of the spray rod;the liquid conveying pipe is arranged on the spray rod and is connected with the spray head so as to convey liquid to the spray head;the safety cover is established the spray lance be equipped with end and the dustcoat of shower nozzle are in the outside of shower nozzle, keeping away from of safety cover end of spray lance is sealed just be equipped with liquid outlet on the periphery wall of safety cover, the liquid that the shower nozzle sprinkled passes through the liquid outlet blowout.
- 2. The spray assembly of claim 1 wherein said protective shield is removably attached to said spray bar.
- 3. The spray assembly of claim 2 wherein said protective shield is threadably engaged with said spray bar.
- 4. The spray assembly of claim 1 wherein said protective shield and said spray bar are body moldings.
- 5. The spray assembly of claim 1, wherein said protective shield comprises:a connector barrel, wherein the end of the connector barrel is connected with the spray rod;the cover body is connected with the other end of the connecting cylinder, the liquid outlet is arranged on the peripheral wall of the cover body, and the part of the spray head for spraying liquid is positioned in the cover body.
- 6. The spray assembly of claim 5 wherein said protective shield tapers in cross-sectional area in a direction away from said spray bar.
- 7. The spray assembly of claim 6 wherein the outer wall surface of the shroud is formed as a spherical cap.
- 8. The spray assembly of claim 1 wherein said spray bar is formed as a hollow structure with an end of said liquid delivery tube being located within said spray bar for connection to said spray head.
- 9. The spray assembly of claim 8 wherein said spray head is a centrifugal spray head comprising a spray head body and a centrifugal spray disk interconnected, said spray head body being positioned within said spray bar and connected to said liquid delivery tube, said centrifugal spray disk being positioned outside of said spray bar and connected to said spray head body.
- 10. The spray assembly of claim 1 wherein said spray bar is adjustable in length, said spray bar having a fixed end and a free end, said spray head being disposed at said free end.
- 11. The spray assembly of claim 10 wherein said liquid delivery tube is adjustable in length.
- 12. The spray assembly of claim 11 wherein said fluid delivery tube comprises a th delivery tube and a second delivery tube, said second delivery tube having an end connected to said spray head, said second delivery tube having an end inserted into said th delivery tube and slidably connected to said th delivery tube.
- 13, unmanned aerial vehicle, including:a body;a spray assembly according to any of claims 1-12 and wherein said spray assembly is according to any of claims and wherein said spray assembly is attached to said fuselage.
- 14. The unmanned aerial vehicle of claim 13, further comprising a horn, the horn having a th end and a second end in a length direction of the horn, the th end of the horn being connected to the fuselage, the second end of the horn and/or the fuselage being provided with the spray assembly.
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