CN109878731B - Plant protection unmanned aerial vehicle - Google Patents
Plant protection unmanned aerial vehicle Download PDFInfo
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- CN109878731B CN109878731B CN201910254565.5A CN201910254565A CN109878731B CN 109878731 B CN109878731 B CN 109878731B CN 201910254565 A CN201910254565 A CN 201910254565A CN 109878731 B CN109878731 B CN 109878731B
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- aerial vehicle
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- horn
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- 239000007921 spray Substances 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 52
- 239000003814 drug Substances 0.000 claims description 49
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 2
- 229940079593 drug Drugs 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 39
- 241000196324 Embryophyta Species 0.000 description 30
- 238000000034 method Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 230000002349 favourable effect Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000575 pesticide Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000893018 Armeria Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
- B64D1/18—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/40—Arrangements for mounting power plants in aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
- B64U10/13—Flying platforms
- B64U10/16—Flying platforms with five or more distinct rotor axes, e.g. octocopters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/40—UAVs specially adapted for particular uses or applications for agriculture or forestry operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/45—UAVs specially adapted for particular uses or applications for releasing liquids or powders in-flight, e.g. crop-dusting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U30/00—Means for producing lift; Empennages; Arrangements thereof
- B64U30/20—Rotors; Rotor supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U60/00—Undercarriages
- B64U60/50—Undercarriages with landing legs
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Aviation & Aerospace Engineering (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a plant protection unmanned aerial vehicle, which comprises a machine body, two machine arms, a rotor wing, a spray head, a support frame for connecting the machine arms and the machine body, wherein the two machine arms are arranged in parallel, the two machine arms are respectively arranged on the front side and the rear side of the machine body, the support frame comprises two parallel first connecting frames and two parallel second connecting frames, the two ends of the first connecting frames are respectively and vertically connected with the first connecting frames, the two first connecting frames are respectively positioned on the left side and the right side of the machine body, the two ends of the first connecting frames are respectively connected with the two machine arms, and the second connecting frames penetrate through the machine body and are fixedly connected with the machine body. According to the plant protection unmanned aerial vehicle provided by the invention, the horn and the machine body are connected through the support frame, the machine body is fixed on the support frame, the whole structure of the unmanned aerial vehicle is stable, the influence on the measuring precision of the sensor in the machine body is reduced, the flight stability of the unmanned aerial vehicle is improved, the spraying width is large, and the requirements of modern plant protection operation can be met.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a plant protection unmanned aerial vehicle.
Background
Along with the gradual maturity of unmanned aerial vehicle technique and the popularization of modern agriculture theory, plant protection unmanned aerial vehicle's application is more and more extensive, utilizes plant protection unmanned aerial vehicle to spray pesticide, not only can use manpower sparingly and materials, can also keep away from remote control, avoids spraying the personnel to contact pesticide, has improved the security and the spraying efficiency of pesticide spraying operation.
The existing plant protection unmanned aerial vehicle comprises a machine body, a plurality of horn and a medicine chest, wherein the horn is arranged in a plurality of ways and surrounds the machine body, one end of the horn is connected with the machine body, a rotor wing is fixed at the other end, a spray head is arranged below the rotor wing, and the medicine chest is fixed at the bottom of the machine body. The plant protection unmanned aerial vehicle has smaller spraying range, and is difficult to meet the current plant protection operation demands. The horn and fuselage fixed connection, the produced vibration of rotor operation is directly transmitted to the fuselage, and fuselage stability is not enough, influences the measurement accuracy of sensor in the fuselage easily.
Disclosure of Invention
The invention aims to solve the technical problems, and provides the plant protection unmanned aerial vehicle which has the advantages of higher overall structural strength, better body stability, larger spraying width and improvement on the plant protection operation efficiency of the unmanned aerial vehicle.
In order to achieve the technical effects, the invention adopts the following technical scheme: the invention provides a plant protection unmanned aerial vehicle, which comprises a machine body, two machine arms, a rotor wing, a spray head, and a support frame for connecting the machine arms and the machine body, wherein the two machine arms are arranged in parallel, the two machine arms are respectively arranged on the front side and the rear side of the machine body, the support frame comprises two parallel first connecting frames and two parallel second connecting frames, the two ends of the first connecting frames are respectively and vertically connected with the two parallel second connecting frames, the two first connecting frames are respectively positioned on the left side and the right side of the machine body, the two ends of the first connecting frames are respectively connected with the two machine arms, and the second connecting frames penetrate through the machine body and are fixedly connected with the machine body; the both ends of horn are equipped with the rotor, the rotor below is equipped with the shower nozzle.
According to the plant protection unmanned aerial vehicle provided by the embodiment, the horn is connected with the machine body through the support frame, so that the influence of vibration generated when the rotor wing on the horn operates on the measurement precision of the sensor in the machine body is reduced, the machine body is fixed on the second connecting frame of the support frame, and the integral structural strength of the unmanned aerial vehicle is higher; two horn are located the front and back both sides of fuselage respectively, and length is greater than the fuselage width far away, greatly increased spouts the width of cloth, be favorable to improving unmanned aerial vehicle plant protection operating efficiency.
Preferably, the medicine box is also included, and the medicine box is of a T shape; comprises an upper layer box body and a lower layer box body which are integrally connected up and down and are communicated with each other; the medicine chest is inserted and pulled out and arranged in the machine body. The medical kit adopts the installation mode of plug-in type to be fixed in the fuselage, is convenient for the medical kit change.
Further, the machine body is provided with a first installation through groove penetrating up and down, and the upper layer box body of the medicine box is clamped on the machine body at the upper opening of the first installation through groove; the lower layer box body penetrates through the first installation through groove.
The medical kit is installed in the first installation through groove in the fuselage, and upper tank body supports on the fuselage outside the first installation through groove, and lower floor's box runs through first installation through groove, and medical kit simple to operate and swift need not to adopt the connecting piece and borrow external tool, can carry out the quick replacement of medical kit, is favorable to accelerating plant protection operation process, and then practices thrift plant protection operation cost.
Further, limiting blocks are outwards protruded on two opposite side surfaces of the lower-layer box body respectively, and the limiting blocks support the bottom of the machine body at the lower opening of the first installation through groove.
Further, a second installation through groove penetrating up and down is formed in the machine body, and a battery is fixed in the second installation through groove; clamping grooves are respectively formed in two sides of the upper opening of the second mounting through groove; the battery is T-shaped and comprises an upper half part and a lower half part which are connected into a whole up and down, wherein the bottoms of the two side surfaces of the upper half part are downwards extended to form barb type buckles; the upper half of the battery is supported on the machine body outside the upper opening of the second mounting through groove, the barb type buckle is clamped in the clamping groove, and the lower half of the battery passes through the second mounting through groove. The battery adopts plug-in installation to through the joint groove joint on barb formula buckle and the fuselage, the installation is reliable and stable, changes convenient and fast, has overcome the fixed unstable and the loaded down with trivial details defect of change that current bandage formula was fixed brought.
Preferably, the two ends of the first connecting frame are fixedly connected with the horn, and the two ends of the second connecting frame are fixedly connected with the first connecting frame through U-shaped clamps and bolts.
Further, the device also comprises two third connecting frames which are respectively arranged at two ends of the horn, the two third connecting frames are mutually arranged in parallel, and two ends of the third connecting frames are respectively connected with the end parts of the two horns. The third link has the effect of firm two horn, and the third link forms the fence formula overall arrangement of unmanned aerial vehicle organism together with horn, support frame, and unmanned aerial vehicle overall structure intensity is higher, connects reliable and stable, avoids the horn to take place to rock at unmanned aerial vehicle flight in-process, is favorable to improving unmanned aerial vehicle flight's stability and security.
Further, the machine body comprises an upper shell and a lower shell which are mutually butted and fixed, the lower shell comprises baffle plates with two sides extending upwards, and through holes for the second connecting frames to pass through are respectively formed in the two baffle plates; the second connecting frame is fixedly connected with the lower shell and the upper shell is fixedly connected with the lower shell through connecting pieces respectively.
Further, the device also comprises landing gears, wherein the landing gears are four, and the tops of the landing gears are respectively fixed at four corners of the first connecting frame connected with the horn; the landing gear includes an integrally connected upper horizontal section, a sloped section that gradually slopes outwardly from top to bottom, and a lower horizontal section for landing support.
By adopting the technical scheme, the method has the following beneficial effects: according to the plant protection unmanned aerial vehicle provided by the invention, the horn is connected with the body through the support frame, the body is fixed on the support frame, the whole structure of the unmanned aerial vehicle is stable, the influence on the measurement precision of the sensor in the body is reduced, and the flight stability of the unmanned aerial vehicle is improved; the medicine box and the battery are arranged on the machine body in a plug-in mode, so that the installation and replacement are convenient and quick, the quick disassembly can be realized, and the plant protection operation efficiency of the unmanned aerial vehicle is greatly improved; the front and back both sides of fuselage are equipped with the horn, and the horn is long horn, and two horn parallel arrangement are equipped with the rotor at horn both ends, and the rotor below is equipped with the shower nozzle, and it is great to spout the width of cloth, can satisfy modern plant protection operation demand.
Drawings
FIG. 1 is a schematic view of a plant protection unmanned aerial vehicle according to an embodiment of the present invention;
FIG. 2 is a top view of a plant protection drone according to an embodiment of the present invention;
FIG. 3 is an enlarged view of FIG. 1 at A;
Fig. 4 is a schematic structural diagram of a battery according to an embodiment of the present invention;
FIG. 5 is an enlarged view of portion B of FIG. 4 according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a medicine box according to an embodiment of the present invention;
FIG. 7 is a side view of a kit provided in an embodiment of the present invention;
FIG. 8 is a cross-sectional view of the mating connection of the outlet valve and valve seat of FIG. 7 at C, in accordance with an embodiment of the present invention;
Fig. 9 is a schematic perspective view of a water outlet valve and a valve seat in cooperation connection according to an embodiment of the present invention.
In the figure:
1. A horn; 2. a first connection frame; 3. a second connecting frame; 4. a medicine box; 4.1, an upper layer box body;
4.2, a lower layer box body; 4.3, limiting blocks; 4.4, a medicine outlet valve; 4.41, a housing; 4.42, a water outlet pipe; 4.43, valve body; 4.44, a return spring; 4.45, a filter frame; 4.46, a first sealing ring; 4.47, annular groove; 4.48, a second sealing ring; 4.49, a second clamping table; 4.5, a medicine outlet;
5. A battery; 5.1, barb type buckle; 5.2, protruding blocks; 6. landing gear; 6.1, upper horizontal section; 6.2, an inclined section; 6.3, a lower horizontal section;
7. A rotor; 8. a body; 8.1, a first installation through groove; 8.2, a second installation through groove; 8.3, a supporting table; 8.4, an upper shell; 8.5, lower shell; 8.51, baffles; 8.6, a clamping groove;
9. A U-shaped clamp; 10. a third connecting frame; 11. a valve seat.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present invention and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present invention will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Unless otherwise indicated, the meaning of "a plurality" is two or more.
The invention will now be described in further detail with reference to specific examples thereof in connection with the accompanying drawings.
Example 1:
The embodiment provides a plant protection unmanned aerial vehicle, referring to the figure, the plant protection unmanned aerial vehicle comprises a machine body 8, a machine arm 1, a rotor 7 and a spray head, and further comprises a support frame for connecting the machine arm 1 and the machine body 8, wherein the machine arm 1 is provided with two parallel arms, the two machine arms 1 are respectively arranged at the front side and the rear side of the machine body 8, the support frame comprises two parallel first connecting frames 2 and two parallel second connecting frames 3, the two ends of the two parallel first connecting frames 3 are respectively and vertically connected with the first connecting frames 2, the two first connecting frames 2 are respectively positioned at the left side and the right side of the machine body 8, the two ends of the first connecting frames 2 are respectively connected with the two machine arms 1, the second connecting frames 3 penetrate through the machine body 8 and are fixedly connected with the machine body 8, the machine body 8 comprises an upper shell 8.4 and a lower shell 8.5 which are mutually in butt joint and fixed, the lower shell 8.5 comprises baffle plates 8.51, and through holes for the second connecting frames to penetrate through are respectively arranged on the two baffle plates; the second connecting frame is fixedly connected with the lower shell and the upper shell and the lower shell through connecting pieces respectively, and the second connecting frame 3 penetrates into the machine body through one baffle plate 8.51 and is connected with the first connecting frame 2 after penetrating out through the other baffle plate. The connecting piece can be a bolt, a screw or other connecting pieces which can realize the fixed connection of the two. The two ends of the horn 1 are provided with rotary wings 7, and spray heads are arranged below the rotary wings.
The horn one end of current unmanned aerial vehicle is connected on the fuselage, and the rotor is fixed to the other end, and the rotor below is equipped with the shower nozzle, and this unmanned aerial vehicle overall structure is unstable, and the vibration that the rotor produced directly acts on the fuselage, influences internal sensor's measurement accuracy, and unmanned aerial vehicle's overall structure overall arrangement has decided unmanned aerial vehicle plant protection operation's spouts width of cloth moreover, spouts the width of cloth less, is difficult to satisfy present plant protection operation demand. In this embodiment, fix the front side and the rear side at the fuselage respectively with two parallel arrangement's long horn to be connected with the fuselage through the support frame, long horn both ends are equipped with the rotor, and the rotor below is equipped with the shower nozzle, and long horn's length is greater than the fuselage width, spouts the width great, and in this embodiment, horn length is 1150-1160mm, spouts the width of cloth and can reach 4.0-5.0 meters, has improved plant protection operating efficiency greatly. In order to reduce the weight of the unmanned aerial vehicle, prolong the endurance time of the unmanned aerial vehicle and improve the integral strength of the unmanned aerial vehicle structure, in the embodiment, the horn and the support frame are made of aluminum profiles and are hollow; optionally, in order to improve unmanned aerial vehicle load, every horn is gone up the interval and is equipped with four rotors, and the horn both ends are respectively one, and the interval is equipped with two on the horn between the both ends, and the shower nozzle is established to the rotor below at horn both ends.
Example 2:
The existing plant protection unmanned aerial vehicle, the medical kit is fixed in fuselage bottom generally, and the battery passes through the bandage to be fixed on the fuselage, because medical kit and fuselage bottom mounting structure are complicated, change the difficulty. Therefore, when the liquid medicine in the medical kit is insufficient in the plant protection operation process, the liquid medicine is required to be conveyed into the medical kit through the medicine injection device after the plant protection unmanned aerial vehicle returns to the air, so that time and labor are wasted, the plant protection operation process is delayed, and the cost of the plant protection operation performed by a user through the unmanned aerial vehicle is increased to a certain extent. In addition, the medical kit is installed in unmanned aerial vehicle fuselage bottom, occupies the fuselage below space great, and unmanned aerial vehicle focus is farther apart from ground, has increaseed the instability when unmanned aerial vehicle landed. In addition, in the plant protection operation process, the battery needs to be frequently replaced to realize the duration, and the battery is fixed on the machine body through the binding belt, so that the unmanned aerial vehicle is inconvenient to detach and replace, wastes time and is not firm in fixation, and the flight safety of the unmanned aerial vehicle is influenced.
In order to overcome the defects, the medical kit and the battery are fixed on the machine body in a plug-in connection mode, and particularly, the medical kit is of a T shape; comprises an upper layer box body 4.1 and a lower layer box body 4.2 which are integrally connected up and down and are internally communicated; the machine body 8 is provided with a first installation through groove 8.1 penetrating up and down, and the upper layer box body of the medicine box 4 is clamped on the machine body at the upper opening of the first installation through groove; the lower layer box body is arranged in the first installation through groove 8.1 in a penetrating mode. The medical kit divide into two parts, is favorable to reducing the amplitude that the liquid medicine of unmanned aerial vehicle flight in-process medical kit took place to vibrate on the one hand, avoids influencing unmanned aerial vehicle flight stability, and on the other hand adopts above-mentioned figurative medical kit, and the medical kit of being convenient for carries out plug-in installation with the fuselage, supports in fuselage upper portion with the help of upper box.
The medical kit is installed in the first installation through groove in the fuselage, and upper tank body supports on the fuselage outside the first installation through groove, and lower floor's box runs through first installation through groove, and medical kit simple to operate and swift need not to adopt the connecting piece and borrow external tool, can carry out the quick replacement of medical kit.
One end of the bottom of the upper layer box body is provided with a medicine outlet 4.5, and a medicine drawing pipe extending into the bottom of the lower layer box body is communicated in the medicine outlet; the medicine outlet is connected with a medicine outlet valve 4.4; the medicine outlet valve is connected with a valve seat 11 arranged on the unmanned aerial vehicle body in a matched mode.
The medicine outlet valve 4.4 comprises a shell 4.41 and a water outlet pipe arranged in the shell 4.41, a valve body 4.43 of 4.42 sliding up and down is arranged in the water outlet pipe, the inside of the shell 4.41 is hollow and is provided with an upper opening and a lower opening, the upper opening of the shell 4.41 is in threaded connection with the medicine outlet 4.5, a circle of first supporting table is formed on the inner side of the lower opening of the shell 4.41, a circle of first clamping table is outwards extended from the outer wall of the water outlet pipe 4.42, and the first clamping table is clamped between the bottom of the medicine outlet and the first supporting table so as to fix the water outlet pipe. The valve body is movably arranged in the water outlet pipe up and down, the water outlet pipe is closed before the water outlet valve is arranged on the valve seat 11 so as to prevent water from being discharged, and the water outlet pipe is opened after the water outlet valve is arranged on the valve seat. Specifically, the outlet pipe is including upper portion pipe and the lower part pipe of connecting as an organic wholely from top to bottom, and the diameter of lower part pipe is less than upper portion pipe diameter, and the valve body is including upper portion cock body and the lower part tubular body of connecting as an organic wholely from top to bottom, the external diameter of upper portion cock body is not greater than the external diameter of lower part tubular body, upper portion cock body surface is equipped with round second clamping table 4.49, outlet pipe 4.42 inner wall with the position that first clamping table corresponds is equipped with round second saddle, when valve body 4.43 slides down, the second clamping table card is located on the second saddle. The outer surface of the lower tubular body is attached to the inner surface of the lower circular tube of the water outlet pipe, a certain gap is reserved between the outer surface of the lower tubular body and the inner surface of the upper circular tube of the water outlet pipe, and a through hole communicated with the inner part of the lower tubular body is formed in the lower tubular body.
In order to filter the dregs in the medicine box and prevent the spray head from being blocked, a filter screen frame is connected with the top of the water outlet pipe in a threaded manner, and a filter screen is arranged on the filter screen frame 4.45 to filter the medicine liquid entering the medicine outlet pipe; in order to facilitate automatic reset of the valve body, a reset spring 4.44 is arranged between the upper plug body and the filter screen frame of the valve body, when the water outlet valve is separated from the valve seat 11, the valve body quickly returns to the original position under the action of the reset spring 4.44, namely, the valve body seals the water outlet pipe, the through hole is positioned at the lower circular pipe of the water outlet pipe, the inner surface of the lower circular pipe is attached to the through hole, and the outflow of liquid medicine is avoided.
In order to increase the sealing effect of the valve body on the water outlet valve, a groove is arranged at the lower part of the second clamping table 4.49 positioned on the valve body, the first sealing ring 4.46 is arranged in the groove, when the valve body slides downwards, the second clamping table is clamped on the second supporting table, the first sealing ring is sealed between the second supporting table and the first supporting table, and liquid medicine is prevented from flowing out from the lower part tubular body of the valve body and the lower part circular tube inner wall of the water outlet pipe.
The valve seat comprises an installation seat 11.1 and a water outlet joint 11.2, the water outlet joint is installed on the machine body, the installation seat 11.1 is inserted into the water outlet joint 11.2, the installation seat is an annular body with an upper opening and a lower opening, the upper opening is wide and the lower is narrow, the water outlet valve is installed on the valve seat, the shell of the water outlet valve is propped against an inclined supporting table 11.3 arranged on the inner wall of the installation seat, the bottom of the water outlet pipe is propped against a circle of boss 11.4 which inwards extends out on the inner wall of the opening near the bottom of the installation seat, and the opening of the lower tubular body of the valve body is communicated with the water outlet joint. The water outlet valve is arranged in front of the valve seat, the through hole of the lower tubular body of the valve body is positioned in the lower circular tube of the water outlet pipe, the inner surface of the lower circular tube seals the through hole, the liquid medicine can not flow out, and the water outlet pipe is sealed. When the water outlet valve is arranged on the valve seat, the valve body moves upwards under the action of the valve seat, the through hole on the lower tubular body moves to the upper circular tube of the water outlet pipe, and because a gap is reserved between the upper circular tube and the lower tubular body of the valve body, liquid medicine flows into the lower tubular body of the valve body through the through hole and flows into the water outlet joint through the lower tubular body.
When the water outlet valve is arranged on the valve seat, in order to prevent the liquid medicine from flowing out from between the water outlet pipe of the water outlet valve and the mounting seat of the valve seat, the outer wall of the water outlet pipe is provided with an annular groove 4.47, and a second sealing ring 4.48 is arranged between the annular groove 4.47 and the inner wall of the mounting seat.
In order to further strengthen the steadiness of medical kit installation in this embodiment, be equipped with ladder brace table 8.3 respectively along the organism fore-and-aft direction in the first installation logical inslot, both ends support on the fuselage and expose in the fuselage about the medical kit, both ends support in around in on the brace table to the stability of medical kit has been improved. Optionally, the valve seat is arranged on one of the supporting tables, the medicine box is arranged in the first installation through groove, the water outlet valve on the medicine box is inserted into the valve seat, and the valve body moves upwards under the action of the valve seat so as to open the water outlet valve.
In order to further improve the stability of the medicine box installation, limiting blocks 4.3 are outwards protruded on two opposite side surfaces of the lower-layer box body respectively, and the limiting blocks 4.3 support the bottom of the machine body at the lower opening of the first installation through groove 8.1.
The stopper 4.3 surface has certain radian, and the medical kit is installed behind first installation logical groove 8.1, and stopper 4.3 butt is in the fuselage bottom correspondingly to restriction medical kit reciprocates at unmanned aerial vehicle flight in-process, in addition, because upper box card is located fuselage upper portion, thereby restriction medical kit downward movement, consequently, install the medical kit steadily in first installation logical inslot behind stopper and the upper box combined action. It is known that the medicine box is generally made of plastic with certain elasticity, the size of the lower box body is adapted to that of the first mounting through groove, when the medicine box is installed into the first mounting through groove from top to bottom, the surface of the lower box body is attached to the inner wall of the first mounting through groove and inserted, the limiting block is compressed inwards under the extrusion of the inner wall of the first mounting through groove, and when the limiting block moves downwards along with the medicine box to separate from the first mounting through groove, the limiting block is restored to the original state and then is abutted to the bottom of the machine body.
Further, a second installation through groove 8.2 penetrating from top to bottom is formed in the machine body, and a battery 5 is fixed in the second installation through groove 8.2. The second mounting through groove 8.2 is located at one side of the first mounting through groove 8.1, in this embodiment, the second mounting through groove 8.2 is located at the rear side of the first mounting through groove 8.1, and the second mounting through groove is lower than the first mounting through groove.
Clamping grooves are respectively formed in two sides of the upper opening of the second installation through groove 8.2; the battery is of a T shape and comprises an upper half part and a lower half part which are connected into a whole up and down, wherein the bottoms of the two side surfaces of the upper half part are downwards extended to form barb type buckles 5.1; the upper half of the battery 5 is supported on the machine body outside the upper opening of the second installation through groove 8.2, the barb type buckle 5.1 is clamped in the clamping groove 8.6, and the lower half of the battery 5 passes through the second installation through groove 8.2. The battery adopts plug-in installation to through the joint groove 8.6 joint on barb formula buckle 5.1 and the fuselage, the installation is reliable and stable, changes convenient and fast, has overcome the fixed unstable and the loaded down with trivial details defect of change that current bandage formula was fixed brought. Optionally, a shell with certain elasticity is sleeved on the outer surface of the upper half part of the battery, a protruding block 5.2 is formed on the shell, and a vertical slot is formed on one side of the protruding block 5.2, so that the protruding block can be conveniently pressed to be contracted inwards; the protruding piece includes the horizontal sand grip that a plurality of intervals set up, and bottom horizontal sand grip bottom is connected with barb formula buckle. When the battery is installed, the lower half part of the battery is inserted by the second installation through groove 8.2, the lower half part is supported on the machine body on the upper part of the first installation through groove, the barb type buckle 5.1 is aligned with the clamping groove 8.6, meanwhile, the barb type buckle 5.1 is inwards extruded to press the protruding block 5.2, enters into the clamping groove 8.6, the pressing on the protruding block 5.2 is released, the protruding block is restored to the original state, and the barb type buckle is clamped in the clamping groove.
The two ends of the first connecting frame 2 and the horn 1, and the two ends of the second connecting frame 3 and the first connecting frame 2 are fixedly connected through U-shaped clamps 12 and bolts. The horn, the first link, the second link are all flat, cooperate with the U-shaped clamp, strengthen the stability of connection. The existing motor is usually arranged on the horn through a motor base, the motor base is connected with the horn through a pipe clamp, and the shape and the structure of the motor base and the horn have special requirements; in this embodiment, need not to adopt the motor cabinet, can directly fix the motor on the U-shaped clamp, through connecting piece fixed connection, the connecting piece can be screw, bolt.
Further, the device further comprises two third connecting frames 10 which are respectively arranged at two ends of the horn, the two third connecting frames 10 are arranged in parallel, and two ends of the third connecting frames 10 are respectively connected with the ends of the two horns. The third link has the effect of firm two horn, and the third link forms the fence formula overall arrangement of unmanned aerial vehicle organism together with horn, support frame, and unmanned aerial vehicle overall structure intensity is higher, connects reliable and stable, avoids the horn to take place to rock at unmanned aerial vehicle flight in-process, is favorable to improving unmanned aerial vehicle flight's stability and security.
In addition, the plant protection unmanned aerial vehicle further comprises landing gears 6, wherein the number of the landing gears is four, and the tops of the landing gears are respectively fixed at four corners where the first connecting frame is connected with the horn; the landing gear comprises an upper horizontal section 6.1, an inclined section 6.2 and a lower horizontal section 6.3, which are integrally connected, the inclined section being gradually inclined outwards from top to bottom, the lower horizontal section being intended for landing support. The horizontal section of undercarriage passes through connecting piece and horn fixed connection, and the slope section is from top to bottom outwards slope gradually, is favorable to improving the stability of supporting.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a plant protection unmanned aerial vehicle, includes fuselage (8), horn (1), rotor (7) and shower nozzle, its characterized in that still including connecting the support frame of horn (1) and fuselage (8), horn (1) have two and parallel arrangement, two horn (1) are located respectively the front side and the rear side of fuselage (8), the support frame includes two parallel arrangement's first link (2) and both ends are connected perpendicularly respectively two second link (3) that are parallel to each other of first link (2), two first link (2) are located respectively the left and right sides of fuselage (8) and first link (2) both ends are connected with two horn (1) respectively, second link (3) pass fuselage (8) and with fuselage (8) fixed connection; the two ends of the horn (1) are provided with rotary wings (7), and spray heads are arranged below the rotary wings (7);
The machine body (8) comprises an upper shell (8.4) and a lower shell (8.5) which are mutually in butt joint and fixed, the lower shell (8.5) comprises baffle plates (8.51) with two sides extending upwards, and through holes for the second connecting frame (3) to pass through are respectively formed in the two baffle plates (8.51); the second connecting frame (3) is fixedly connected with the lower shell (8.5) and the upper shell (8.4) is fixedly connected with the lower shell (8.5) through connecting pieces respectively;
The landing gear (6) is arranged, and the tops of the landing gear (6) are respectively fixed at four corners of the first connecting frame (2) connected with the arm; the landing gear (6) comprises an upper horizontal section (6.1), an inclined section (6.2) and a lower horizontal section (6.3) which are integrally connected, wherein the inclined section (6.2) gradually inclines outwards from top to bottom, and the lower horizontal section (6.3) is used for landing support.
2. The plant protection unmanned aerial vehicle according to claim 1, further comprising a medicine box (4), wherein the medicine box is of a 'T' -shape and comprises an upper layer box body (4.1) and a lower layer box body (4.2) which are integrally connected up and down and are internally communicated; the medicine chest (4) is arranged in the machine body (8) in a plug-in mode.
3. The plant protection unmanned aerial vehicle according to claim 2, wherein the machine body (8) is provided with a first installation through groove (8.1) penetrating up and down, and the upper layer box body (4.1) of the medicine box (4) is clamped on the machine body (8) at the upper opening of the first installation through groove (8.1); the lower layer box body (4.2) is arranged in the first installation through groove (8.1) in a penetrating mode.
4. A plant protection unmanned aerial vehicle according to claim 3, wherein one end of the bottom of the upper layer box body (4.1) is provided with a medicine outlet (4.5), and a medicine drawing pipe extending into the bottom of the lower layer box body (4.2) is communicated in the medicine outlet; the medicine outlet is connected with a medicine outlet valve (4.4); the drug outlet valve (4.4) is connected with a valve seat (11) arranged on the unmanned aerial vehicle body (8) in a matched mode.
5. A plant protection unmanned aerial vehicle according to claim 3, wherein two opposite sides of the lower box (4.2) are respectively provided with a limiting block (4.3) which is outwards protruded, and the limiting blocks (4.3) support the bottom of the machine body at the lower opening of the first installation through groove (8.1).
6. The plant protection unmanned aerial vehicle according to claim 1, wherein a second installation through groove (8.2) penetrating from top to bottom is arranged on the machine body (8), and a battery (5) is fixed in the second installation through groove (8.2);
Two sides of the upper opening of the second installation through groove (8.2) are respectively provided with a clamping groove (8.6); the battery is T-shaped and comprises an upper half part and a lower half part which are connected into a whole up and down, wherein barb type buckles (5.1) extend downwards from the bottoms of the two side surfaces of the upper half part; the upper half of the battery is supported on the machine body outside the upper opening of the second installation through groove (8.1), the barb type buckle (5.1) is clamped in the clamping groove (8.6), and the lower half of the battery (5) penetrates through the second installation through groove (8.1).
7. The plant protection unmanned aerial vehicle according to claim 1, wherein the two ends of the first connecting frame (2) are fixedly connected with the horn (1) and the two ends of the second connecting frame (3) are fixedly connected with the first connecting frame (2) through a U-shaped clamp and a bolt.
8. The plant protection unmanned aerial vehicle according to claim 1, further comprising two third connecting frames (10) which are respectively arranged at two ends of the horn, wherein the two third connecting frames (10) are mutually parallel, and two ends of the third connecting frames (10) are respectively connected with the end parts of the two horns (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910254565.5A CN109878731B (en) | 2019-03-31 | 2019-03-31 | Plant protection unmanned aerial vehicle |
| PCT/CN2020/081126 WO2020200008A1 (en) | 2019-03-31 | 2020-03-25 | Plant protection unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910254565.5A CN109878731B (en) | 2019-03-31 | 2019-03-31 | Plant protection unmanned aerial vehicle |
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| CN109878731A CN109878731A (en) | 2019-06-14 |
| CN109878731B true CN109878731B (en) | 2024-04-30 |
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| CN201910254565.5A Active CN109878731B (en) | 2019-03-31 | 2019-03-31 | Plant protection unmanned aerial vehicle |
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| WO (1) | WO2020200008A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109878731B (en) * | 2019-03-31 | 2024-04-30 | 拓攻（南京）机器人有限公司 | Plant protection unmanned aerial vehicle |
| CN112124554A (en) * | 2019-06-25 | 2020-12-25 | 北京京东乾石科技有限公司 | Unmanned aerial vehicle fuselage and unmanned aerial vehicle |
| CN111216868A (en) * | 2019-08-27 | 2020-06-02 | 苏州极目机器人科技有限公司 | Frame for aircraft and aircraft |
| CN110758741B (en) * | 2019-11-11 | 2022-12-30 | 柚子航空智能科技(南京)有限公司 | Planting protection unmanned helicopter replaceable sowing system |
| CN112537441B (en) * | 2020-12-23 | 2024-06-14 | 河南正大航空工业股份有限公司 | Prevent plant protection unmanned aerial vehicle that falls |
| CN112544597B (en) * | 2020-12-23 | 2024-06-14 | 河南正大航空工业股份有限公司 | Plant protection unmanned aerial vehicle of little vibration |
| CN113371217B (en) * | 2021-08-11 | 2021-11-02 | 深圳市华芯机器人技术有限责任公司 | Unmanned aerial vehicle with anti-fog function based on remote patrol |
| CN114248926B (en) * | 2022-01-19 | 2023-09-22 | 安徽文达信息工程学院 | Plant protection unmanned aerial vehicle |
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| Publication number | Publication date |
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| CN109878731A (en) | 2019-06-14 |
| WO2020200008A1 (en) | 2020-10-08 |
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