CN110758742B - Agricultural plant protection unmanned aerial vehicle - Google Patents
Agricultural plant protection unmanned aerial vehicle Download PDFInfo
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- CN110758742B CN110758742B CN201911204151.8A CN201911204151A CN110758742B CN 110758742 B CN110758742 B CN 110758742B CN 201911204151 A CN201911204151 A CN 201911204151A CN 110758742 B CN110758742 B CN 110758742B
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- aerial vehicle
- unmanned aerial
- buffer plate
- sliding
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
Abstract
The invention belongs to the technical field of agricultural plant protection equipment, and particularly relates to an agricultural plant protection unmanned aerial vehicle; comprises a water storage tank, a control block, a rotating wing and a protection unit; the rotation protection unit comprises a first buffer plate, a piston rod, an ejector rod, a push rod and a rotating rod; one end of the ejector rod is hinged to the side wall of the first buffer plate, and the other end of the ejector rod is inserted into the first sliding groove; one end of the push rod is connected in the second sliding groove in a sliding mode through the sliding block, and the other end of the push rod is provided with a rack; the rotating rods are symmetrically and rotatably connected to the bottom ends of the rotating wings, the end parts of the rotating rods are meshed with the racks through rotating teeth, and elastic dust screens are connected between the side walls of the rotating rods; avoid the influence that ground plant caused to the rotor wing through the cooperation between buffer board, piston rod, ejector pin, push rod and the rotary rod to effectively strengthened unmanned aerial vehicle's security in the use, improved unmanned aerial vehicle's life, reduced unmanned aerial vehicle's cost of maintenance in the use.
Description
Technical Field
The invention belongs to the technical field of agricultural plant protection equipment, and particularly relates to an agricultural plant protection unmanned aerial vehicle.
Background
A plant protection unmanned aerial vehicle, also called an unmanned aerial vehicle, is an unmanned aerial vehicle for agriculture and forestry plant protection operation as the name suggests, and the unmanned aerial vehicle consists of a flight platform (a fixed wing, a helicopter and a multi-axis aircraft), a navigation flight control mechanism and a spraying mechanism, realizes spraying operation through ground remote control or navigation flight control, and can spray medicament, seeds, powder and the like; the pilotless small helicopter has the advantages of low operation height, less drift, capability of hovering in the air, no need of a special take-off and landing airport, contribution to improving the penetrability of fog flow to crops due to downward airflow generated by the rotor wing, high prevention and control effect, remote control operation, avoidance of the danger of pesticide exposure of spraying operation personnel, improvement of the safety of spraying operation and the like; in addition, the spraying mode adopted by the spraying technology of the electric unmanned helicopter can save the pesticide usage by at least 50 percent and the water usage by 90 percent, thereby greatly reducing the resource cost; compared with an oil-driven unmanned aerial vehicle, the electric unmanned aerial vehicle has the advantages of small overall size, light weight, lower depreciation rate, low labor cost of unit operation and easiness in maintenance; besides learning to operate the plant protection unmanned aerial vehicle, the plant protection flying prevention service masters corresponding agriculture, pesticide and plant protection knowledge, and different crops have different liquid medicine application amounts, have matching requirements of different concentrations, and also have requirements on the performance accuracy of the machine.
Because plant protection unmanned aerial vehicle's operational environment is mostly the farmland for plant protection unmanned aerial vehicle is descending to the ground in-process, can appear the subaerial plant and is stirred the condition in the rotary wing, and because the ground in farmland is comparatively undulant, make the difficult stable subaerial that falls of plant protection unmanned aerial vehicle.
Disclosure of Invention
In order to make up for the defects of the prior art, the problems that plants on the ground are stirred into the rotating wings when the plant protection unmanned aerial vehicle lands on the ground due to the fact that the working environment of the plant protection unmanned aerial vehicle is mostly farmlands, and the plant protection unmanned aerial vehicle is difficult to stably land on the ground due to the fact that the ground of the farmlands fluctuates are solved; the invention provides an agricultural plant protection unmanned aerial vehicle.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an agricultural plant protection unmanned aerial vehicle, which comprises a water storage tank, a control block, a rotating wing and a protection unit, wherein the control block is arranged on the water storage tank; the water storage tank is arranged at the top end of the control block; the rotary wing is arranged on the side wall of the control block, and a first sliding groove and a second sliding groove are formed in the position, close to the control block, of the rotary wing; the sliding direction of the first sliding groove is parallel to the side wall of the control block; the sliding direction of the second sliding groove is parallel to the side wall of the rotating wing; the protection unit comprises a first buffer plate, a piston rod, an ejector rod, a push rod and a rotary rod; the first buffer plate is connected to the bottom end of the control block through a spring; the piston rod is fixed in the control block, the output end of the piston rod is connected with the first buffer plate, the side wall of the piston rod is provided with a marble through a spring, and the control block is provided with a clamping groove at the corresponding position; one end of the ejector rod is hinged to the side wall of the first buffer plate, and the other end of the ejector rod is inserted into the first sliding groove; one end of the push rod is connected in the second sliding groove in a sliding mode through a sliding block, and a rack is arranged at the other end of the push rod; the rotating rods are symmetrically and rotatably connected to the bottom ends of the rotating wings, the end parts of the rotating rods are meshed with the racks through rotating teeth, and elastic dust screens are connected between the side walls of the rotating rods; the influence of ground plants on the rotary wings is avoided through the matching among the first buffer plate, the piston rod, the ejector rod, the push rod and the rotary rod; when the unmanned aerial vehicle is in work, when the unmanned aerial vehicle needs to descend to the ground, the first buffer plate is pushed through the piston rod until the marble on the side wall of the piston rod is clamped into the clamping groove close to the first buffer plate, then the piston rod releases the thrust, in the moving process of the first buffer plate, the ejector rod is driven to slide out of the first sliding groove and abut against the side wall of the sliding block, when the unmanned aerial vehicle quickly falls to the ground, the first buffer plate is collided, so that the ejector rod on the side wall of the first buffer plate is extruded, the ejector rod pushes the sliding block to slide in the second sliding groove, the push rod is pushed to slide in the second sliding groove, the push rod rotates the rotating rod through the meshing between the rack and the gear in the sliding process, thereby the elastic dustproof net between the rotating rods is pulled open, the bottom of the rotating wings is effectively blocked, and the plants on the ground are prevented from being stirred, thereby effectively strengthened the security of unmanned aerial vehicle in the use, improved unmanned aerial vehicle's life, reduced the cost of maintenance of unmanned aerial vehicle in the use.
Preferably, the bottom end of the first buffer plate is provided with a second buffer plate; a fixing unit is arranged between the first buffer plate and the second buffer plate; the fixing unit comprises a first rod, a second rod, a third rod and an L-shaped rod; one end of the first rod is hinged to the bottom side of the first buffer plate, and the other end of the first rod is hinged to the L-shaped rod; one end of the second rod is hinged to the side wall of the first rod, and the other end of the second rod is hinged to the top end of the second buffer plate; one end of the third rod is hinged to the hinged position of the first rod and the L-shaped rod, and the other end of the third rod is hinged to the top end of the second buffer plate; the side wall of the L-shaped rod is connected to the top end of the second buffer plate through a spring; the second buffer plate is matched with the fixing unit, so that the unmanned aerial vehicle can be fixed when falling to the ground; the during operation, when unmanned aerial vehicle falls to ground soon, can bump to buffer board No. one, buffer board transmits power to No. two buffer boards again, thereby produce the extrusion to the fixed unit between buffer board and No. two buffer boards, take place to rotate after a pole pressurized, thereby drive No. two poles and No. three pole rotations, can drive L shape pole rotation at the rotation in-process of No. three poles, insert ground until the tip of L shape pole, thereby realized the fixed to the unmanned aerial vehicle position, unmanned can't stably fall on the condition on ground when avoiding ground undulation, thereby improve the stationarity when unmanned aerial vehicle falls to the ground.
Preferably, the end part of the L-shaped rod is provided with a loop bar and an inserted bar; the inserted link is rotatably connected to the end part of the L-shaped rod; the sleeve rod is sleeved on the inserted rod through threads; the unmanned aerial vehicle can be more stably fixed when falling to the ground through the matching of the sleeve rod and the inserted rod; the during operation, when unmanned aerial vehicle falls to ground soon, can bump to buffer board No. one, buffer board transmits power to No. two buffer boards again, thereby produce the extrusion to the fixed unit between buffer board and No. two buffer boards, take place to rotate after a pole pressurized, thereby drive No. two poles and No. three pole rotations, can drive L shape pole rotation at the rotation in-process of No. three poles, insert ground until the tip of L shape pole, the tip at L shape pole produces the in-process of pressure to ground, can promote the relative loop bar of inserted bar and take place to rotate, make the inserted bar can more laborsaving insert more depths in ground, thereby effectively guaranteed the stability that unmanned aerial vehicle fell to the ground, the unable stable circumstances of descending of unmanned aerial vehicle under the condition of avoiding ground undulation, unmanned aerial vehicle's whole result of use and the security in the use have been improved.
Preferably, the end part of the ejector rod is in an arc-shaped convex shape; the arc-shaped groove is formed in the position, close to the end part of the ejector rod, of the sliding block, so that the ejector rod is prevented from sliding relatively when the sliding block is pushed, and the stable ejecting force of the ejector rod on the sliding block is guaranteed; when the unmanned aerial vehicle works, when the unmanned aerial vehicle needs to descend to the ground, the first buffer plate is pushed through the piston rod until the marble on the side wall of the piston rod is clamped into the clamping groove close to the first buffer plate, then the piston rod releases the thrust, in the moving process of the first buffer plate, the ejector rod is driven to slide out of the first sliding groove and abut against the side wall of the sliding block, when the unmanned aerial vehicle quickly falls to the ground, the first buffer plate is collided, so that the ejector rod on the side wall of the first buffer plate is extruded, the ejector rod pushes the sliding block to slide in the second sliding groove, in the process that the ejector rod pushes the sliding block, the end part of the ejector rod and the sliding block slide mutually, so that the end part of the ejector rod is designed to be in an arc convex shape, the sliding block is provided with an arc groove, the end part of the ejector rod and the sliding block can be always contacted with the sliding block in the relative sliding process, the stationarity of the unmanned aerial vehicle in the use process is enhanced.
Preferably, the end part of the ejector rod is provided with a first magnet; a second magnet is arranged on the sliding block, and mutual attraction exists between the first magnet and the second magnet; the ejector rod can be directly contacted with the sliding block when being separated from the first sliding groove through the matching of the first magnet and the second magnet, so that the stable work of the ejector rod is ensured; the during operation, when unmanned aerial vehicle need descend to the ground, promote the buffer board No. one through the piston rod, go into the draw-in groove that is close to the buffer board until the marble card of piston rod lateral wall, the thrust is let out again to the piston rod this moment, at the removal in-process of buffer board, drive in the spout of ejector pin roll-off and push up on the slider lateral wall, can directly press close to with the slider lateral wall when making the spout of ejector pin tip roll-off No. one owing to the effect of the mutual attraction power between magnet and No. two magnets, thereby avoid the condition that drops behind the spout of ejector pin roll-off No. one, thereby the stability of unmanned aerial vehicle in the use has been guaranteed, avoid the ejector pin to take place to become invalid, thereby unmanned aerial vehicle's whole.
Preferably, the shape of the inserted rod is spiral, so that the grabbing force of the inserted rod to the ground is enhanced; the during operation, when unmanned aerial vehicle fell to ground soon, can bump to buffer board, buffer board transmits power to No. two buffer boards again, thereby produce the extrusion to the fixed unit between buffer board and No. two buffer boards, take place to rotate after a pole pressurized, thereby drive No. two poles and No. three pole rotations, can drive L shape pole rotation at the rotation in-process of No. three poles, insert ground until the tip of L shape pole, the in-process to ground production pressure at the tip of L shape pole, can promote the relative loop bar of inserted bar and take place to rotate, after the shape of inserted bar is the heliciform, make the inserted bar insert ground in the rotation process can be more easily, and the power of grabbing of heliciform inserted bar to ground is great, avoid unmanned aerial vehicle to topple over after unbalance, thereby unmanned aerial vehicle's security in the use has been improved.
The invention has the following beneficial effects:
1. according to the agricultural plant protection unmanned aerial vehicle, the influence of ground plants on the rotary wings is avoided through the matching among the first buffer plate, the piston rod, the ejector rod, the push rod and the rotary rod, the plants on the ground are prevented from being stirred into the rotary wings to damage the rotary wings, the safety of the unmanned aerial vehicle in the use process is effectively enhanced, the service life of the unmanned aerial vehicle is prolonged, and the maintenance cost of the unmanned aerial vehicle in the use process is reduced.
2. According to the agricultural plant protection unmanned aerial vehicle, the unmanned aerial vehicle can be fixed through the matching of the second buffer plate and the fixing unit when the unmanned aerial vehicle lands on the ground, so that the position of the unmanned aerial vehicle after landing on the ground is fixed, the situation that the unmanned aerial vehicle cannot stably land on the ground when the ground fluctuates is avoided, and the stability of the unmanned aerial vehicle when landing on the ground is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the engagement of the push rod and the rotary rod in the present invention;
FIG. 4 is a partial enlarged view of FIG. 2 at A;
FIG. 5 is a partial enlarged view of FIG. 2 at B;
FIG. 6 is a partial enlarged view at C in FIG. 2;
in the figure: the water storage tank comprises a water storage tank 1, a control block 2, a clamping groove 21, a rotary wing 3, a first sliding groove 31, a second sliding groove 32, a protection unit 4, a first buffer plate 41, a piston rod 42, a marble 421, a top rod 43, a first magnet 431, a push rod 44, a rack 441, a rotary rod 45, an elastic dust screen 451, a second buffer plate 46, a fixing unit 47, a first rod 471, a second rod 472, a third rod 473, an L-shaped rod 474, a sleeve rod 475, an inserted rod 476, a sliding block 48, an arc-shaped groove 481 and a second magnet 482.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the agricultural plant protection unmanned aerial vehicle of the present invention comprises a water storage tank 1, a control block 2, a rotary wing 3 and a protection unit 4; the water storage tank 1 is arranged at the top end of the control block 2; the rotary wing 3 is arranged on the side wall of the control block 2, and a first sliding groove 31 and a second sliding groove 32 are formed in the position, close to the control block 2, of the rotary wing 3; the sliding direction of the first sliding chute 31 is parallel to the side wall of the control block 2; the sliding direction of the second sliding groove 32 is parallel to the side wall of the rotating wing 3; the protection unit 4 comprises a first buffer plate 41, a piston rod 42, a top rod 43, a push rod 44 and a rotating rod 45; the first buffer plate 41 is connected to the bottom end of the control block 2 through a spring; the piston rod 42 is fixed in the control block 2, the output end of the piston rod 42 is connected with the first buffer plate 41, the side wall of the piston rod 42 is provided with a marble 421 through a spring, and the control block 2 is provided with a clamping groove 21 at the corresponding position; one end of the ejector rod 43 is hinged on the side wall of the first buffer plate 41, and the other end of the ejector rod is inserted into the first sliding groove 31; one end of the push rod 44 is connected in the second sliding groove 32 in a sliding manner through a sliding block 48, and the other end of the push rod 44 is provided with a rack 441; the rotating rod 45 is symmetrically and rotatably connected to the bottom end of the rotating wing 3, the end of the rotating rod 45 is meshed with the rack 441 through rotating teeth, and an elastic dustproof net 451 is connected between the side walls of the rotating rod 45; the influence of ground plants on the rotary wing 3 is avoided through the matching among the first buffer plate 41, the piston rod 42, the ejector rod 43, the push rod 44 and the rotary rod 45; when the unmanned aerial vehicle works, when the unmanned aerial vehicle needs to descend to the ground, the first buffer plate 41 is pushed through the piston rod 42 until the marble 421 on the side wall of the piston rod 42 is clamped into the clamping groove 21 close to the first buffer plate 41, at the moment, the piston rod 42 releases the thrust, in the moving process of the first buffer plate 41, the ejector rod 43 is driven to slide out of the first sliding groove 31 and abut against the side wall of the sliding block 48, when the unmanned aerial vehicle quickly falls to the ground, the first buffer plate 41 is collided, so that the ejector rod 43 on the side wall of the first buffer plate 41 is extruded, the ejector rod 43 pushes the sliding block 48 to slide in the second sliding groove 32, the push rod 44 is pushed to slide in the second sliding groove 32, the push rod 44 in the sliding process, the rack 441 and the gear are meshed to enable the rotating rod 45 to rotate, so that the elastic dustproof net 451 between the rotating rods 45 is pulled open, and effective blocking, avoid subaerial plant to be stirred into rotatory wing 3 in to cause destruction to rotatory wing 3 to effectively strengthened unmanned aerial vehicle's security in the use, improved unmanned aerial vehicle's life, reduced the cost of maintenance of unmanned aerial vehicle in the use.
As an embodiment of the present invention, a second buffer plate 46 is disposed at the bottom end of the first buffer plate 41; a fixing unit 47 is arranged between the first buffer plate 41 and the second buffer plate 46; the fixing unit 47 includes a first lever 471, a second lever 472, a third lever 473, and an L-shaped lever 474; one end of the first rod 471 is hinged to the bottom side of the first buffer plate 41, and the other end of the first rod 471 is hinged to the L-shaped rod 474; one end of the second rod 472 is hinged to the side wall of the first rod 471, and the other end of the second rod 472 is hinged to the top end of the second buffer plate 46; one end of the third rod 473 is hinged at the hinged position of the first rod 471 and the L-shaped rod 474, and the other end of the third rod 473 is hinged at the top end of the second buffer plate 46; the side wall of the L-shaped rod 474 is connected to the top end of the second buffer plate 46 through a spring; the second buffer plate 46 is matched with the fixing unit 47, so that the unmanned aerial vehicle can be fixed when falling to the ground; the during operation, when unmanned aerial vehicle fell to ground soon, can bump to buffer board 41, buffer board 41 transmits power to No. two buffer boards 46 again, thereby produce the extrusion to fixed unit 47 between buffer board 41 and No. two buffer boards 46, take place to rotate after a pole 471 pressurized, thereby drive No. two poles 472 and No. three poles 473 and rotate, can drive L shape pole 474 and rotate at No. three poles 473's rotation in-process, insert ground until the tip of L shape pole 474, thereby realized the fixed to the unmanned aerial vehicle position, unmanned unable stable condition that falls on ground when avoiding ground to fluctuate, thereby improve the stationarity when unmanned aerial vehicle fell to the ground.
As an embodiment of the present invention, the L-shaped rod 474 is provided with a sleeve 475 and an insertion 476 at the end; the plunger 476 is pivotally connected to the end of the L-shaped rod 474; the sleeve rod 475 is sleeved on the insert rod 476 through threads; the sleeve rod 475 and the plug rod 476 are matched, so that the unmanned aerial vehicle can be more stably fixed when falling to the ground; when the unmanned aerial vehicle is in operation, when the unmanned aerial vehicle falls to the ground, the collision will be generated on the first buffer plate 41, the first buffer plate 41 will transmit the force to the second buffer plate 46, thereby pressing the fixing unit 47 between the first buffer plate 41 and the second buffer plate 46, the first rod 471 is rotated by the pressure, thereby driving the second rod 472 and the third rod 473 to rotate, the rotation of the third rod 473 drives the L-shaped rod 474 to rotate until the end of the L-shaped rod 474 is inserted into the ground, during the process of pressing the end of the L-shaped rod 474 against the ground, the plunger 476 will be pushed to rotate relative to the sleeve 475, so that the plunger 476 can be inserted deeper into the ground more easily, thereby effectively guaranteed the stability that unmanned aerial vehicle fell to the ground, avoided the unable stable circumstances of descending of unmanned aerial vehicle under the ground undulation condition, improved unmanned aerial vehicle's whole result of use and the security in the use.
In one embodiment of the present invention, the end of the top rod 43 is provided with an arc-shaped protrusion; the sliding block 48 is provided with an arc-shaped groove 481 at the position close to the end part of the ejector rod 43, so that the ejector rod 43 is prevented from sliding relatively when pushing the sliding block 48, and the stable ejecting force of the ejector rod 43 on the sliding block 48 is ensured; when the unmanned aerial vehicle works, when the unmanned aerial vehicle needs to descend to the ground, the first buffer plate 41 is pushed through the piston rod 42 until the marble 421 on the side wall of the piston rod 42 is clamped into the clamping groove 21 close to the first buffer plate 41, at the moment, the piston rod 42 releases the thrust, in the moving process of the first buffer plate 41, the ejector rod 43 is driven to slide out of the first sliding groove 31 and push against the side wall of the sliding block 48, when the unmanned aerial vehicle quickly falls to the ground, the first buffer plate 41 is impacted, so that the ejector rod 43 on the side wall of the first buffer plate 41 is extruded, the ejector rod 43 pushes the sliding block 48 to slide in the second sliding groove 32, in the process that the ejector rod 43 pushes the sliding block 48, the end part of the ejector rod 43 and the sliding block 48 slide mutually, so that the end part of the ejector rod 43 is set to be in an arc-shaped convex shape, the sliding block 48 is provided with an arc-shaped groove 481, so that the end, the phenomenon of falling off of the ejector rod 43 and the sliding block 48 is prevented, so that stable operation of the ejector rod 43 and the sliding block 48 is guaranteed, and stability of the unmanned aerial vehicle in the using process is enhanced.
As an embodiment of the present invention, a first magnet 431 is disposed at an end of the top rod 43; a second magnet 482 is arranged on the slider 48, and a mutual attractive force exists between the first magnet 431 and the second magnet 482; through the matching of the first magnet 431 and the second magnet 482, the ejector rod 43 can be directly contacted with the sliding block 48 when being separated from the first sliding groove 31, so that the stable work of the ejector rod 43 is ensured; the during operation, when unmanned aerial vehicle need descend to the ground, promote buffer board 41 through piston rod 42, go into the draw-in groove 21 that is close to buffer board 41 until the marble 421 card of piston rod 42 lateral wall, the thrust is let out again to piston rod 42 this moment, at the removal in-process of buffer board 41, drive in the first spout 31 of ejector pin 43 roll-off and push up on 48 lateral walls of slider, because the effect of mutual attraction is used for making the first spout 31 of ejector pin 43 tip roll-off between a magnet 431 and No. two magnets 482 can directly press close to with 48 lateral walls of slider, thereby avoid the condition that drops behind the first spout 31 of ejector pin 43 roll-off, thereby the stability of unmanned aerial vehicle in the use has been guaranteed, avoid ejector pin 43 to take place to become invalid, thereby unmanned aerial vehicle's whole result of use and practicality have been improved.
As an embodiment of the present invention, the shape of the insertion rod 476 is a spiral, so as to enhance the gripping force of the insertion rod 476 to the ground; when the unmanned aerial vehicle is in operation, when the unmanned aerial vehicle falls to the ground, the collision will be generated on the first buffer plate 41, the first buffer plate 41 will transmit the force to the second buffer plate 46, thereby pressing the fixing unit 47 between the first buffer plate 41 and the second buffer plate 46, the first rod 471 is rotated by the pressure, thereby driving the second rod 472 and the third rod 473 to rotate, the rotation of the third rod 473 drives the L-shaped rod 474 to rotate until the end of the L-shaped rod 474 is inserted into the ground, during the process of pressing the end of the L-shaped rod 474 against the ground, the plunger 476 is urged to rotate relative to the sleeve 475, when the stem 476 is shaped as a helix, the stem 476 can be more easily inserted into the ground during rotation, and the spiral inserting rod 476 has larger grabbing force to the ground, so that the unmanned aerial vehicle is prevented from toppling over after unbalance, and the safety of the unmanned aerial vehicle in the using process is improved.
When the unmanned aerial vehicle works, when the unmanned aerial vehicle needs to descend to the ground, the first buffer plate 41 is pushed through the piston rod 42 until the marble 421 on the side wall of the piston rod 42 is clamped into the clamping groove 21 close to the first buffer plate 41, at the moment, the piston rod 42 releases the thrust, in the moving process of the first buffer plate 41, the ejector rod 43 is driven to slide out of the first sliding groove 31 and abut against the side wall of the sliding block 48, when the unmanned aerial vehicle quickly falls to the ground, the first buffer plate 41 is collided, so that the ejector rod 43 on the side wall of the first buffer plate 41 is extruded, the ejector rod 43 pushes the sliding block 48 to slide in the second sliding groove 32, the push rod 44 is pushed to slide in the second sliding groove 32, the push rod 44 in the sliding process, the rack 441 and the gear are meshed to enable the rotating rod 45 to rotate, so that the elastic dustproof net 451 between the rotating rods 45 is pulled open, and effective blocking, the damage to the rotating wings 3 caused by the plants on the ground being stirred into the rotating wings 3 is avoided, so that the safety of the unmanned aerial vehicle in the use process is effectively enhanced, the service life of the unmanned aerial vehicle is prolonged, and the maintenance cost of the unmanned aerial vehicle in the use process is reduced; when the unmanned aerial vehicle falls to the ground, the impact can be generated on the first buffer plate 41, the first buffer plate 41 transmits force to the second buffer plate 46, so that the fixing unit 47 between the first buffer plate 41 and the second buffer plate 46 is extruded, the first rod 471 is pressed and then rotates, so that the second rod 472 and the third rod 473 are driven to rotate, the L-shaped rod 474 can be driven to rotate in the rotating process of the third rod 473, and the end of the L-shaped rod 474 is inserted into the ground until the end of the L-shaped rod 474 is inserted into the ground, so that the position of the unmanned aerial vehicle is fixed, the situation that no one can not stably fall on the ground when the ground fluctuates is avoided, and the stability of the unmanned aerial vehicle when falling to the ground is improved; when the unmanned aerial vehicle falls to the ground, the impact can be generated on the first buffer plate 41, the first buffer plate 41 transmits force to the second buffer plate 46, so that the fixing unit 47 between the first buffer plate 41 and the second buffer plate 46 is extruded, the first rod 471 is pressed and then rotates, so that the second rod 472 and the third rod 473 are driven to rotate, the L-shaped rod 474 can be driven to rotate in the rotating process of the third rod 473 until the end of the L-shaped rod 474 is inserted into the ground, the insertion rod 476 can be pushed to rotate relative to the sleeve rod 475 in the process that the end of the L-shaped rod 474 generates pressure on the ground, so that the insertion rod 476 can be inserted into the ground more deeply in a labor-saving manner, the landing stability of the unmanned aerial vehicle is effectively ensured, the situation that the unmanned aerial vehicle cannot stably land under the condition of ground fluctuation is avoided, and the overall use effect and the safety of the unmanned aerial vehicle in the use process are improved; when the unmanned aerial vehicle needs to descend to the ground, the first buffer plate 41 is pushed through the piston rod 42 until the marble 421 on the side wall of the piston rod 42 is clamped into the clamping groove 21 close to the first buffer plate 41, at the moment, the piston rod 42 releases the thrust again, the ejector rod 43 is driven to slide out of the first sliding groove 31 and abut against the side wall of the sliding block 48 in the moving process of the first buffer plate 41, when the unmanned aerial vehicle quickly falls to the ground, the first buffer plate 41 is collided, so that the ejector rod 43 on the side wall of the first buffer plate 41 is extruded, the ejector rod 43 pushes the sliding block 48 to slide in the second sliding groove 32, in the process that the ejector rod 43 pushes the sliding block 48, the end part of the ejector rod 43 and the sliding block 48 can slide mutually, so that the end part of the ejector rod 43 is set to be in an arc-shaped convex shape, the sliding block 48 is provided with an arc-shaped groove 481, so that the end part of, the phenomenon that the ejector rod 43 and the sliding block 48 fall off is prevented, so that the stable work of the ejector rod 43 and the sliding block 48 is ensured, and the stability of the unmanned aerial vehicle in the use process is enhanced; when the unmanned aerial vehicle needs to descend to the ground, the first buffer plate 41 is pushed through the piston rod 42 until the marble 421 on the side wall of the piston rod 42 is clamped into the clamping groove 21 close to the first buffer plate 41, at the moment, the piston rod 42 releases the thrust, and in the moving process of the first buffer plate 41, the ejector rod 43 is driven to slide out of the first sliding groove 31 and abut against the side wall of the sliding block 48; when the unmanned aerial vehicle falls to the ground, the impact is generated on the first buffer plate 41, the first buffer plate 41 transmits the force to the second buffer plate 46, thereby pressing the fixing unit 47 between the first buffer plate 41 and the second buffer plate 46, the first rod 471 is rotated by the pressure, thereby driving the second rod 472 and the third rod 473 to rotate, the rotation of the third rod 473 drives the L-shaped rod 474 to rotate until the end of the L-shaped rod 474 is inserted into the ground, during the process of pressing the end of the L-shaped rod 474 against the ground, the plunger 476 is urged to rotate relative to the sleeve 475, when the stem 476 is shaped as a helix, the stem 476 can be more easily inserted into the ground during rotation, and the spiral inserting rod 476 has larger grabbing force to the ground, so that the unmanned aerial vehicle is prevented from toppling over after unbalance, and the safety of the unmanned aerial vehicle in the using process is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An agricultural plant protection unmanned aerial vehicle, its characterized in that: comprises a water storage tank (1), a control block (2), a rotary wing (3) and a protection unit (4); the water storage tank (1) is arranged at the top end of the control block (2); the rotary wing (3) is arranged on the side wall of the control block (2), and a first sliding groove (31) and a second sliding groove (32) are formed in the position, close to the control block (2), of the rotary wing (3); the sliding direction of the first sliding chute (31) is parallel to the side wall of the control block (2); the sliding direction of the second sliding groove (32) is parallel to the side wall of the rotating wing (3); the protection unit (4) comprises a first buffer plate (41), a piston rod (42), a top rod (43), a push rod (44) and a rotating rod (45); the first buffer plate (41) is connected to the bottom end of the control block (2) through a spring; the piston rod (42) is fixed in the control block (2), the output end of the piston rod (42) is connected with the first buffer plate (41), the side wall of the piston rod (42) is provided with a marble (421) through a spring, and the control block (2) is provided with a clamping groove (21) at the corresponding position; one end of the ejector rod (43) is hinged to the side wall of the first buffer plate (41), and the other end of the ejector rod is inserted into the first sliding groove (31); one end of the push rod (44) is connected in the second sliding groove (32) in a sliding mode through a sliding block (48), and a rack (441) is arranged at the other end of the push rod (44); the rotating rods (45) are symmetrically and rotatably connected to the bottom ends of the rotating wings (3), the end portions of the rotating rods (45) are meshed with the racks (441) through rotating teeth, and elastic dust screens (451) are connected between the side walls of the rotating rods (45); the influence of ground plants on the rotary wings (3) is avoided through the matching among the first buffer plate (41), the piston rod (42), the ejector rod (43), the push rod (44) and the rotary rod (45).
2. An agricultural plant protection unmanned aerial vehicle according to claim 1, characterized in that: a second buffer plate (46) is arranged at the bottom end of the first buffer plate (41); a fixing unit (47) is arranged between the first buffer plate (41) and the second buffer plate (46); the fixing unit (47) comprises a first rod (471), a second rod (472), a third rod (473) and an L-shaped rod (474); one end of the first rod (471) is hinged to the bottom side of the first buffer plate (41), and the other end of the first rod is hinged to the L-shaped rod (474); one end of the second rod (472) is hinged to the side wall of the first rod (471), and the other end of the second rod is hinged to the top end of the second buffer plate (46); one end of the third rod (473) is hinged at the hinged position of the first rod (471) and the L-shaped rod (474), and the other end of the third rod is hinged at the top end of the second buffer plate (46); the side wall of the L-shaped rod (474) is connected to the top end of the second buffer plate (46) through a spring; through the cooperation of No. two buffer boards (46) and fixed unit (47), make when unmanned aerial vehicle falls to the ground can carry out the fixed action to unmanned aerial vehicle.
3. An agricultural plant protection unmanned aerial vehicle according to claim 2, characterized in that: a sleeve rod (475) and an insert rod (476) are arranged at the end part of the L-shaped rod (474); the insert rod (476) is rotatably connected to the end of the L-shaped rod (474); the sleeve rod (475) is sleeved on the inserted rod (476) through threads; the cooperation through loop bar (475) and inserted bar (476) makes can be more stable fixed when unmanned aerial vehicle lands.
4. An agricultural plant protection unmanned aerial vehicle according to claim 1, characterized in that: the end part of the ejector rod (43) is designed to be arc-shaped and convex; an arc-shaped groove (481) is formed in the sliding block (48) and is close to the end portion of the ejector rod (43), so that the ejector rod (43) is prevented from sliding relatively when the sliding block (48) is pushed, and stable ejecting force of the ejector rod (43) to the sliding block (48) is guaranteed.
5. An agricultural plant protection unmanned aerial vehicle according to claim 4, characterized in that: a first magnet (431) is arranged at the end part of the ejector rod (43); a second magnet (482) is arranged on the sliding block (48), and mutual attraction force exists between the first magnet (431) and the second magnet (482); through the cooperation of the first magnet (431) and the second magnet (482), the ejector rod (43) can be directly contacted with the sliding block (48) when being separated from the first sliding groove (31), so that the stable work of the ejector rod (43) is ensured.
6. An agricultural plant protection unmanned aerial vehicle according to claim 3, characterized in that: the shape of the insertion rod (476) is spiral, so that the gripping force of the insertion rod (476) to the ground is enhanced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911204151.8A CN110758742B (en) | 2019-11-29 | 2019-11-29 | Agricultural plant protection unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911204151.8A CN110758742B (en) | 2019-11-29 | 2019-11-29 | Agricultural plant protection unmanned aerial vehicle |
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| Publication Number | Publication Date |
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| CN110758742A CN110758742A (en) | 2020-02-07 |
| CN110758742B true CN110758742B (en) | 2021-06-15 |
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| CN201911204151.8A Active CN110758742B (en) | 2019-11-29 | 2019-11-29 | Agricultural plant protection unmanned aerial vehicle |
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| CN205891207U (en) * | 2016-06-15 | 2017-01-18 | 上海未来伙伴机器人有限公司 | Flying robot protection device and have its flying robot |
| KR20170034237A (en) * | 2015-09-18 | 2017-03-28 | 주식회사 이디 | Drone having rotor protection function |
| CN206606356U (en) * | 2017-02-22 | 2017-11-03 | 毛智樵 | Universal blade protective cover |
| CN208699044U (en) * | 2018-08-24 | 2019-04-05 | 安徽中天保安服务集团有限公司 | A kind of crash protection on fire-fighting unmanned plane |
| CN110077607A (en) * | 2019-05-15 | 2019-08-02 | 深圳市智旋科技有限公司 | A kind of unmanned plane proof equipment and means of defence |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170034237A (en) * | 2015-09-18 | 2017-03-28 | 주식회사 이디 | Drone having rotor protection function |
| CN205891207U (en) * | 2016-06-15 | 2017-01-18 | 上海未来伙伴机器人有限公司 | Flying robot protection device and have its flying robot |
| CN206606356U (en) * | 2017-02-22 | 2017-11-03 | 毛智樵 | Universal blade protective cover |
| CN208699044U (en) * | 2018-08-24 | 2019-04-05 | 安徽中天保安服务集团有限公司 | A kind of crash protection on fire-fighting unmanned plane |
| CN110077607A (en) * | 2019-05-15 | 2019-08-02 | 深圳市智旋科技有限公司 | A kind of unmanned plane proof equipment and means of defence |
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| CN110758742A (en) | 2020-02-07 |
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Effective date of registration: 20210526 Address after: 010000 No. 0503-7, innovation and entrepreneurship building, Hohhot Overseas Students Pioneer Park, 69 Horqin South Road, Hohhot, Inner Mongolia Autonomous Region Applicant after: Inner Mongolia Hewen Technology Co.,Ltd. Address before: 244000 room 207, building C3, textile and garment industrial city, Tongling City, Anhui Province Applicant before: Li Hongxing |
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