CN108974330B - Unmanned aerial vehicle with convenient nozzle function that switches - Google Patents
Unmanned aerial vehicle with convenient nozzle function that switches Download PDFInfo
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- CN108974330B CN108974330B CN201810760835.5A CN201810760835A CN108974330B CN 108974330 B CN108974330 B CN 108974330B CN 201810760835 A CN201810760835 A CN 201810760835A CN 108974330 B CN108974330 B CN 108974330B
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- unmanned aerial
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/12—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like sideways
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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
- A01M7/0025—Mechanical sprayers
- A01M7/0032—Pressure sprayers
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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
- A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
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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
- A01M7/0089—Regulating or controlling systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/18—Operating mechanisms
- B64C25/24—Operating mechanisms electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to an unmanned aerial vehicle with a function of conveniently switching nozzles, which comprises a body, a water tank, a hose, four propellers, a switching mechanism and a supporting mechanism, wherein the supporting mechanism comprises a driving assembly and two supporting assemblies, the driving unit comprises a lead screw, a sliding block and a connecting rod, the switching mechanism comprises a lifting assembly, a switching assembly and a fixing assembly, the switching assembly comprises a second motor, a rotating shaft, a connecting block and two nozzles, and the unmanned aerial vehicle with the function of conveniently switching nozzles can turn over a support when the unmanned aerial vehicle sprays pesticides through the supporting mechanism, so that the pesticides are prevented from being attached to the support and corroding the support, the stability of the unmanned aerial vehicle is improved, and the nozzles can be automatically switched through the switching mechanism, so that the damage of one nozzle is avoided, and the work of the unmanned aerial vehicle is prevented from being influenced.
Description
Technical Field
The invention relates to the field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle with a function of conveniently switching nozzles.
Background
An unmanned plane, called a drone for short, is an unmanned plane operated by a radio remote control device and a self-contained program control device, or is completely or intermittently autonomously operated by an on-board computer.
Current unmanned aerial vehicle is when spraying insecticide, and the easy is blown the support on by wind of insecticide, and the support is easy to be corroded, influences unmanned aerial vehicle's stability, moreover, current unmanned aerial vehicle is when spraying insecticide, and in case the nozzle breaks down, just can influence the work of spraying, has reduced the efficiency of spraying.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome prior art's not enough, provide an unmanned aerial vehicle with convenient switching nozzle function.
The technical scheme adopted by the invention for solving the technical problems is as follows: an unmanned aerial vehicle with a function of conveniently switching nozzles comprises a body, a water tank, a hose, four propellers, a switching mechanism and a supporting mechanism, wherein the four propellers are respectively fixed at four corners above the body;
the supporting mechanism comprises a driving assembly and two supporting assemblies, the driving assembly is arranged in the machine body, the two supporting assemblies are respectively arranged on two sides of the machine body, the supporting assemblies comprise supporting shafts and supports, one ends of the supporting shafts are fixed on the machine body, the other ends of the supporting shafts are hinged with the supports, the driving assembly comprises a first motor and two driving units, the first motor is fixed at the bottom in the machine body and is in transmission connection with the driving units, the two driving units are symmetrically arranged relative to the first motor, two first openings are arranged below the machine body and correspond to the driving units one by one, and the first motor is electrically connected with the PLC;
the driving unit comprises a screw rod, a sliding block and a connecting rod, the first motor is in transmission connection with the screw rod, the sliding block is sleeved on the screw rod, a thread matched with the screw rod is arranged at the joint of the sliding block and the screw rod, one end of the connecting rod is hinged with the sliding block, and the other end of the connecting rod is hinged with the center of the support;
switching mechanism includes lifting unit, switching module and fixed subassembly, lifting unit sets up the below at the water tank, switching module and fixed subassembly all set up the below at lifting unit, switching module includes second motor, pivot, connecting block and two nozzles, the second motor sets up the below at lifting unit, the second motor is connected with the pivot transmission, the connecting block cover is established in the pivot, two nozzles respectively with the both sides fixed connection of connecting block, the top of nozzle is equipped with the ring channel, the second motor is connected with the PLC electricity.
Preferably, in order to provide a supporting force for the screw rod, the driving unit further comprises a bearing seat, wherein one end of the screw rod, which is far away from the first motor, is arranged in the bearing seat, and the bearing seat is fixed on the inner wall of one side of the machine body.
Preferably, in order to make the sliding block move smoothly, lubricating oil is coated between the screw rod and the sliding block.
Preferably, in order to reduce the impact force when the unmanned aerial vehicle descends, a cushion pad is arranged below the support.
Preferably, in order to facilitate the lifting of the nozzle, the lifting assembly comprises an air pump, an air cylinder, an air rod, a fixed block, a movable block, a hinged block, a telescopic frame and a lifting plate, the fixed block, the air pump and the air cylinder are all fixed below the water tank, the air pump is communicated with the air cylinder, one end of the air rod is arranged in the air cylinder, two sides of the top end of the telescopic frame are hinged to the other end of the air rod and the fixed block respectively, the hinged block is fixed on the lifting plate, a sliding groove is formed in the lifting plate, the movable block is arranged in the sliding groove and is connected with the lifting plate in a sliding mode, two sides of the bottom end of the telescopic frame are hinged to the movable block and the hinged block respectively, the second motor is fixed below the lifting plate, and the air pump is electrically connected with the PLC.
As preferred, for the convenience of pressing from both sides tight nozzle, fixed subassembly includes fixed room and connecting pipe, the below at the lifter plate is fixed to the fixed room, the below at the fixed room is fixed to the connecting pipe, the connecting pipe passes through hose and water tank intercommunication, the below of fixed room is equipped with the second opening, be equipped with power component and two clamping components in the fixed room, power component includes third motor and drive gear, the third motor is fixed on the inner wall of one side of fixed room, the third motor is connected with drive gear transmission, and two clamping components set up respectively in drive gear's top and below, the third motor is connected with the PLC electricity.
Preferably, in order to facilitate clamping of the nozzle, the clamping assembly comprises a rack, a fixing rod and a clamping block, the driving gear is meshed with the rack, the rack is fixedly connected with the clamping block through the fixing rod, and the clamping block is matched with the annular groove of the nozzle.
As preferred, for the moving direction of restriction rack, still be equipped with two slides in the fixed chamber, slide and clamping component one-to-one, the slide is fixed on the inner wall of one side of fixed chamber, be equipped with the bar groove on the slide, the rack sets up in the bar inslot, rack and slide sliding connection.
Preferably, in order to detect the liquid level in the water tank, a liquid level sensor is arranged at the top in the water tank, an electromagnetic valve is arranged at the communication position of the water tank and the hose, and the liquid level sensor and the electromagnetic valve are both electrically connected with the PLC.
Preferably, in order to improve unmanned aerial vehicle's intelligent degree, be equipped with the antenna in the fuselage, the antenna is connected with the PLC electricity.
The unmanned aerial vehicle with the function of conveniently switching the nozzles has the advantages that the support can be turned over when the unmanned aerial vehicle sprays pesticides through the support mechanism, the pesticides are prevented from being attached to the support and corroding the support, compared with the existing support mechanism, the support mechanism improves the stability of the unmanned aerial vehicle, the nozzles can be automatically switched through the switching mechanism, the phenomenon that one nozzle is damaged and the work of the unmanned aerial vehicle is influenced is avoided, compared with the existing switching mechanism, the switching mechanism can withdraw the nozzle into the machine body, and the damage probability of the nozzle is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of an unmanned aerial vehicle with a function of conveniently switching nozzles according to the invention;
fig. 2 is a schematic structural diagram of a switching mechanism of the unmanned aerial vehicle with the function of conveniently switching nozzles according to the invention;
fig. 3 is a schematic structural diagram of a fixed assembly of the unmanned aerial vehicle with the function of conveniently switching nozzles of the invention;
fig. 4 is a schematic structural diagram of a support mechanism of the unmanned aerial vehicle with the function of conveniently switching nozzles of the invention;
in the figure: 1. the air pump type water tank comprises a body, a propeller, a bracket, a support shaft, a first motor, a lead screw, a sliding block, a connecting rod, a bearing seat, a bearing block, an air pump, an air cylinder, a gas rod, a telescopic frame, a fixing block, a lifting plate, a lifting block, a.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, an unmanned aerial vehicle with a function of conveniently switching nozzles comprises a body 1, a water tank 30, a hose 31 and four propellers 2, wherein the four propellers 2 are respectively fixed at four corners above the body 1, the water tank 30 is fixed at the top inside the body 1, the water tank 30 is communicated with the hose 31, a PLC is arranged inside the body 1, and the unmanned aerial vehicle further comprises a switching mechanism and a supporting mechanism, wherein the switching mechanism is arranged inside the main body;
this unmanned aerial vehicle with convenient switching nozzle function can be with overturning support 3 when unmanned aerial vehicle sprays insecticide through supporting mechanism, avoid the pesticide to adhere to on support 3, corrode support 3, compare with current supporting mechanism, this supporting mechanism has improved unmanned aerial vehicle's stability, through switching mechanism, can automatic switch-over nozzle 21, avoid a nozzle 21 to damage, influence unmanned aerial vehicle work, compare with current switching mechanism, this switching mechanism can withdraw fuselage 1 with nozzle 21 in, the damage probability of nozzle 21 has been reduced.
As shown in fig. 4, the supporting mechanism includes a driving assembly and two supporting assemblies, the driving assembly is disposed in the machine body 1, the two supporting assemblies are disposed on two sides of the machine body 1 respectively, the supporting assemblies include a supporting shaft 4 and a bracket 3, one end of the supporting shaft 4 is fixed on the machine body 1, the other end of the supporting shaft 4 is hinged to the bracket 3, the driving assembly includes a first motor 5 and two driving units, the first motor 5 is fixed at the bottom of the machine body 1, the first motor 5 is in transmission connection with the driving units, the two driving units are symmetrically disposed with respect to the first motor 5, two first openings are disposed below the machine body 1, the first openings correspond to the driving units one to one, and the first motor 5 is electrically connected to the PLC;
the driving unit comprises a screw rod 6, a sliding block 7 and a connecting rod 8, the first motor 5 is in transmission connection with the screw rod 6, the sliding block 7 is sleeved on the screw rod 6, a thread matched with the screw rod 6 is arranged at the joint of the sliding block 7 and the screw rod 6, one end of the connecting rod 8 is hinged with the sliding block 7, and the other end of the connecting rod 8 is hinged with the center of the bracket 3;
when spraying insecticide, start through the first motor 5 of PLC control, lead screw 6 rotates, drives slider 7 and removes to the direction of keeping away from first motor 5, drives support 3 upset through connecting rod 8, avoids the pesticide to spray support 3 on, corrodes support 3, influences unmanned aerial vehicle's stability.
As shown in fig. 2-3, the switching mechanism includes a lifting component, a switching component and a fixing component, the lifting component is disposed below the water tank 30, the switching component and the fixing component are disposed below the lifting component, the switching component includes a second motor 18, a rotating shaft 19, a connecting block 20 and two nozzles 21, the second motor 18 is disposed below the lifting component, the second motor 18 is in transmission connection with the rotating shaft 19, the connecting block 20 is sleeved on the rotating shaft 19, the two nozzles 21 are respectively fixedly connected with two sides of the connecting block 20, an annular groove is formed in the top end of each nozzle 21, and the second motor 18 is electrically connected with the PLC.
When nozzle 21 needs to be switched, the fixed component is controlled to work through the PLC, so that the fixed component does not clamp nozzle 21 any more, the switching component works again, third motor 23 is started, rotating shaft 19 rotates, connecting block 20 rotates, nozzle 21 rotates, intact nozzle 21 is rotated to the lower part of the fixed component, and the switching component works again, so that the nozzle 21 which is well fixed sprays, and the function of automatically switching nozzle 21 is realized.
Preferably, in order to provide a supporting force for the screw rod 6, the driving unit further comprises a bearing seat 9, one end of the screw rod 6 far away from the first motor 5 is arranged in the bearing seat 9, and the bearing seat 9 is fixed on the inner wall of one side of the machine body 1. Through setting up bearing frame 9, can provide the holding power for lead screw 6 under the condition that does not influence lead screw 6 and rotate for more steady and smooth when lead screw 6 rotates.
Preferably, in order to make the slider 7 move smoothly, lubricating oil is coated between the screw rod 6 and the slider 7. Lubricating oil can reduce the frictional force between slider 7 and lead screw 6 for slider 7 is more smooth when moving.
Preferably, in order to reduce the impact force when the unmanned aerial vehicle descends, a cushion pad 29 is arranged below the support 3. Cushion 29 can reduce the impact force of unmanned aerial vehicle when descending for unmanned aerial vehicle more steady when descending.
As shown in fig. 2, the lifting assembly includes an air pump 10, an air cylinder 11, an air rod 12, a fixed block 14, a movable block 17, a hinge block 16, a telescopic frame 13 and a lifting plate 15, the fixed block 14, the air pump 10 and the air cylinder 11 are all fixed below the water tank 30, the air pump 10 is communicated with the air cylinder 11, one end of the air rod 12 is disposed in the air cylinder 11, two sides of the top end of the telescopic frame 13 are respectively hinged to the other end of the air rod 12 and the fixed block 14, the hinge block 16 is fixed on the lifting plate 15, a sliding groove is disposed on the lifting plate 15, the movable block 17 is disposed in the sliding groove, the movable block 17 is slidably connected with the lifting plate 15, two sides of the bottom end of the telescopic frame 13 are respectively hinged to the movable block 17 and the hinge block 16, the second motor 18 is fixed below the lifting plate 15, and the air pump 10 is electrically connected to the PLC. Start through PLC control air pump 10, through the pressure that changes in the cylinder 11, drive the shrink of gas pole 12 for expansion bracket 13 extends, outside pushing out fuselage 1 with nozzle 21 through lifter plate 15, sprays the work, when out of work, can withdraw fuselage 1 with nozzle 21 in, has reduced nozzle 21's damage probability, has improved unmanned aerial vehicle's security.
As shown in fig. 3, the fixing component comprises a fixing chamber 22 and a connecting pipe 33, the fixing chamber 22 is fixed below the lifting plate 15, the connecting pipe 33 is fixed below the fixing chamber 22, the connecting pipe 33 is communicated with the water tank 30 through a hose 32, a second opening is arranged below the fixing chamber 22, a power component and two clamping components are arranged in the fixing chamber 22, the power component comprises a third motor 23 and a driving gear 24, the third motor 23 is fixed on the inner wall of one side of the fixing chamber 22, the third motor 23 is in transmission connection with the driving gear 24, the two clamping components are respectively arranged above and below the driving gear 24, and the third motor 23 is electrically connected with the PLC.
Preferably, in order to facilitate the clamping of the nozzle 21, the clamping assembly comprises a rack 25, a fixing rod 27 and a clamping block 28, the driving gear 24 is engaged with the rack 25, the rack 25 is fixedly connected with the clamping block 28 through the fixing rod 27, and the clamping block 28 is matched with an annular groove of the nozzle 21.
When the nozzle 21 is fixed, the third motor 23 is controlled to work through the PLC, the driving gear 24 rotates, the two racks 25 move, the fixing rod 27 drives the two clamping blocks 28 to move towards the mutually approaching direction, the clamping blocks 28 are embedded into the annular groove, the nozzle 21 is clamped, and the function of fixing the nozzle 21 is achieved.
Preferably, in order to limit the moving direction of the rack 25, two slideways 26 are further arranged in the fixed chamber 22, the slideways 26 correspond to the clamping assemblies one by one, the slideways 26 are fixed on the inner wall of one side of the fixed chamber 22, strip-shaped grooves are formed in the slideways 26, the rack 25 is arranged in the strip-shaped grooves, and the rack 25 is connected with the slideways 26 in a sliding manner. By providing the slide way 26, the moving direction of the rack 25 is limited, and simultaneously, a supporting force is provided for the rack 25, so that the rack 25 is more smooth and stable when moving.
Preferably, in order to detect the liquid level in the water tank 30, a liquid level sensor 33 is arranged at the top of the water tank 30, an electromagnetic valve 34 is arranged at the communication part of the water tank 30 and the hose 31, and both the liquid level sensor 33 and the electromagnetic valve 34 are electrically connected with the PLC. Detect the liquid level in the water tank 30 through level sensor 33, when the liquid level does not change, show that the nozzle in work blocks up the damage, can't work, send signal gives PLC, PLC control switching mechanism work and solenoid valve 34 are closed, switch over nozzle 21, make intact nozzle 21 be located the below of connecting pipe 32, make solenoid valve 34 open through PLC again, make water tank 30 and connecting pipe 32 intercommunication, make intact nozzle 21 spray work, the function of automatic switch over nozzle 21 has been realized.
Preferably, in order to improve unmanned aerial vehicle's intelligent degree, be equipped with the antenna in the fuselage 1, the antenna is connected with the PLC electricity. Can be so that unmanned aerial vehicle and mobile device are connected through the antenna, the people of being convenient for control unmanned aerial vehicle through the mobile device and fly, improved unmanned aerial vehicle's intelligent degree.
When spraying insecticide, start through the first motor 5 of PLC control, lead screw 6 rotates, drives slider 7 and removes to the direction of keeping away from first motor 5, drives support 3 upset through connecting rod 8, avoids the pesticide to spray support 3 on, corrodes support 3, influences unmanned aerial vehicle's stability. When nozzle 21 needs to be switched, the fixed component is controlled to work through the PLC, so that the fixed component does not clamp nozzle 21 any more, the switching component works again, third motor 23 is started, rotating shaft 19 rotates, connecting block 20 rotates, nozzle 21 rotates, intact nozzle 21 is rotated to the lower part of the fixed component, and the switching component works again, so that the nozzle 21 which is well fixed sprays, and the function of automatically switching nozzle 21 is realized.
Compared with the prior art, this unmanned aerial vehicle with convenient switching nozzle function can be with the support 3 upset when unmanned aerial vehicle sprays insecticide through supporting mechanism, avoid the pesticide to adhere to on support 3, corrode support 3, compare with current supporting mechanism, this supporting mechanism has improved unmanned aerial vehicle's stability, through switching mechanism, can automatic switch nozzle 21, avoid a nozzle 21 to damage, influence unmanned aerial vehicle work, compare with current switching mechanism, this switching mechanism can withdraw fuselage 1 with nozzle 21 in, the damage probability of nozzle 21 has been reduced.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. An unmanned aerial vehicle with a convenient nozzle switching function comprises a machine body (1), a water tank (30), a hose (31) and four propellers (2), wherein the four propellers (2) are respectively fixed at four corners above the machine body (1), the water tank (30) is fixed at the top in the machine body (1), the water tank (30) is communicated with the hose (31), and a PLC is arranged in the machine body (1), and the unmanned aerial vehicle is characterized by further comprising a switching mechanism and a supporting mechanism, wherein the switching mechanism is arranged in the main body;
the supporting mechanism comprises a driving assembly and two supporting assemblies, the driving assembly is arranged in the machine body (1), the two supporting assemblies are respectively arranged on two sides of the machine body (1), the supporting assemblies comprise supporting shafts (4) and supports (3), one ends of the supporting shafts (4) are fixed on the machine body (1), the other ends of the supporting shafts (4) are hinged to the supports (3), the driving assemblies comprise first motors (5) and two driving units, the first motors (5) are fixed at the bottom in the machine body (1), the first motors (5) are in transmission connection with the driving units, the two driving units are symmetrically arranged relative to the first motors (5), two first openings are arranged below the machine body (1), the first openings correspond to the driving units one to one, and the first motors (5) are electrically connected with a PLC (programmable logic controller);
the driving unit comprises a screw rod (6), a sliding block (7) and a connecting rod (8), the first motor (5) is in transmission connection with the screw rod (6), the sliding block (7) is sleeved on the screw rod (6), a thread matched with the screw rod (6) is arranged at the joint of the sliding block (7) and the screw rod (6), one end of the connecting rod (8) is hinged with the sliding block (7), and the other end of the connecting rod (8) is hinged with the center of the support (3);
the switching mechanism comprises a lifting component, a switching component and a fixing component, the lifting component is arranged below a water tank (30), the switching component and the fixing component are arranged below the lifting component, the switching component comprises a second motor (18), a rotating shaft (19), a connecting block (20) and two nozzles (21), the second motor (18) is arranged below the lifting component, the second motor (18) is in transmission connection with the rotating shaft (19), the connecting block (20) is sleeved on the rotating shaft (19), the two nozzles (21) are respectively fixedly connected with two sides of the connecting block (20), an annular groove is formed in the top end of each nozzle (21), the second motor (18) is electrically connected with a PLC (programmable logic controller), the driving unit further comprises a bearing seat (9), and one end, far away from the first motor (5), of the screw rod (6) is arranged in the bearing seat (9), the bearing seat (9) is fixed on the inner wall of one side of the machine body (1), lubricating oil is coated between the screw rod (6) and the sliding block (7), a cushion pad (29) is arranged below the support (3), the lifting assembly comprises an air pump (10), an air cylinder (11), an air rod (12), a fixed block (14), a moving block (17), a hinging block (16), a telescopic frame (13) and a lifting plate (15), the fixed block (14), the air pump (10) and the air cylinder (11) are all fixed below the water tank (30), the air pump (10) is communicated with the air cylinder (11), one end of the air rod (12) is arranged in the air cylinder (11), two sides of the top end of the telescopic frame (13) are respectively hinged with the other end of the air rod (12) and the fixed block (14), the hinging block (16) is fixed on the lifting plate (15), and a sliding groove is formed in the lifting plate (15), the moving block (17) is arranged in the sliding groove, the moving block (17) is connected with the lifting plate (15) in a sliding mode, two sides of the bottom end of the telescopic frame (13) are hinged to the moving block (17) and the hinging block (16) respectively, the second motor (18) is fixed below the lifting plate (15), the air pump (10) is electrically connected with the PLC, the fixing component comprises a fixing chamber (22) and a connecting pipe (32), the fixing chamber (22) is fixed below the lifting plate (15), the connecting pipe (32) is fixed below the fixing chamber (22), the connecting pipe (32) is communicated with the water tank (30) through a hose (31), a second opening is formed below the fixing chamber (22), a power component and two clamping components are arranged in the fixing chamber (22), the power component comprises a third motor (23) and a driving gear (24), the utility model discloses a nozzle, including fixed room (22), third motor (23) and drive gear (24), two clamping components set up respectively in the top and the below of drive gear (24), third motor (23) is connected with the PLC electricity, clamping components includes rack (25), dead lever (27) and clamp splice (28), drive gear (24) and rack (25) meshing, rack (25) are through dead lever (27) and clamp splice (28) fixed connection, clamp splice (28) match with the ring channel of nozzle (21), still be equipped with two slides (26) in fixed room (22), slide (26) and clamping components one-to-one, slide (26) are fixed on the inner wall of one side of fixed room (22), be equipped with the bar groove on slide (26), rack (25) set up in the bar groove, the rack (25) is connected with the slideway (26) in a sliding way.
2. The unmanned aerial vehicle with the function of conveniently switching the nozzle of claim 1, wherein a liquid level sensor (33) is arranged at the top in the water tank (30), a solenoid valve (34) is arranged at the communication position of the water tank (30) and the hose (31), and both the liquid level sensor (33) and the solenoid valve (34) are electrically connected with a PLC.
3. The unmanned aerial vehicle with convenient switching nozzle function of claim 1, characterized in that, be equipped with the antenna in fuselage (1), the antenna is connected with the PLC electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810760835.5A CN108974330B (en) | 2018-07-12 | 2018-07-12 | Unmanned aerial vehicle with convenient nozzle function that switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810760835.5A CN108974330B (en) | 2018-07-12 | 2018-07-12 | Unmanned aerial vehicle with convenient nozzle function that switches |
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| Publication Number | Publication Date |
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| CN108974330A CN108974330A (en) | 2018-12-11 |
| CN108974330B true CN108974330B (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810760835.5A Active CN108974330B (en) | 2018-07-12 | 2018-07-12 | Unmanned aerial vehicle with convenient nozzle function that switches |
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| CN111109227A (en) * | 2020-01-07 | 2020-05-08 | 北京致媒科技有限公司 | Plant protection unmanned aerial vehicle |
| CN112124572A (en) * | 2020-09-21 | 2020-12-25 | 宁波工程学院 | Energy-concerving and environment-protective flight formula robot |
| CN114101189A (en) * | 2021-11-12 | 2022-03-01 | 湖北优尼科光电技术股份有限公司 | Liquid crystal display panel pickling and washing integrated device |
| CN114304123B (en) * | 2022-01-13 | 2023-05-09 | 重庆市丰都县仙童枇杷种植股份合作社 | Spray tube is accomodate subassembly and orchard and is spouted medicine unmanned aerial vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3830631B2 (en) * | 1997-09-26 | 2006-10-04 | ヤマハ発動機株式会社 | Air bleeding structure of pump in unmanned helicopter |
| CN203047530U (en) * | 2012-08-21 | 2013-07-10 | 深圳市大疆创新科技有限公司 | Aircraft foot stand and aircraft with same |
| CN107444609B (en) * | 2017-07-18 | 2019-11-12 | 猫头鹰安防科技有限公司 | It is a kind of with high load capability and extend cruise duration pesticide spraying unmanned plane |
| CN107776897A (en) * | 2017-12-12 | 2018-03-09 | 南京市雨花台区创新创业法治宣传与法律服务中心 | It is a kind of to be used to send the safety coefficient with unloading function of express delivery high unmanned plane |
| CN107810940A (en) * | 2017-12-15 | 2018-03-20 | 南京菱亚汽车技术研究院 | A kind of high unmanned plane of spraying efficiency for pesticide spraying |
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