CN113978759A - Unmanned aerial vehicle electrostatic spraying test platform - Google Patents
Unmanned aerial vehicle electrostatic spraying test platform Download PDFInfo
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- CN113978759A CN113978759A CN202111298620.4A CN202111298620A CN113978759A CN 113978759 A CN113978759 A CN 113978759A CN 202111298620 A CN202111298620 A CN 202111298620A CN 113978759 A CN113978759 A CN 113978759A
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 238000007590 electrostatic spraying Methods 0.000 title abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 39
- 238000005507 spraying Methods 0.000 claims abstract description 33
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- 230000005611 electricity Effects 0.000 claims description 7
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
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- 238000005457 optimization Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
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- B64F5/60—Testing or inspecting aircraft components or systems
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Abstract
The invention discloses an unmanned aerial vehicle electrostatic spraying test platform which comprises a test platform supporting and moving frame, a sliding guide rail device, a fixing plate, an unmanned aerial vehicle flight angle adjusting device, an electrostatic sprayer capable of adjusting the angle and the height, a spraying assembly, a fixing support, a machine body and a machine body parameter adjusting device, wherein the test platform supporting and moving frame is fixed on the test platform; the sliding guide rail device connected with the fixed plate is positioned on the test platform supporting and moving frame; the unmanned aerial vehicle flight angle adjusting device on the fixing plate is connected with the spraying assembly and the fixing support; the angle and height adjustable electrostatic nozzle is positioned below the rotor motor base; an unmanned aerial vehicle flight angle adjusting device is arranged above a motor base in the spraying assembly and the fixed support; the machine body and the lower part of the machine body parameter adjusting device are provided with the electrostatic spray head with adjustable angle and height. Compared with the prior device, the device can be suitable for adjusting the fuselage parameters, flight parameters and spraying modes of different unmanned aerial vehicles, and provides a test platform for researching the optimal working conditions of unmanned aerial vehicles and spraying.
Description
Technical Field
The invention relates to the field of agricultural plant protection technology and unmanned aerial vehicle spraying, in particular to a spraying effect of an unmanned aerial vehicle electrostatic spraying test platform under various conditions.
Background
The crop yield of China is increased year by year, meanwhile, diseases, pests and weeds are also caused, the yield of large-area crops is reduced, and the agricultural production of China and the national food safety are seriously affected. At present, the measures for preventing and treating diseases, pests and weeds in China still mainly adopt chemical pesticides and other means, and the problems of excessive pesticide use, excessive pesticide residue, poisoning of pesticide application personnel in the operation process and the like are caused in part of areas due to the prevention and treatment concept and the lagging of pesticide application instruments.
In recent years, agricultural plant protection unmanned aerial vehicles become research hotspots in the field of agricultural plant protection, and many enterprises increase the investment in this aspect. Compared with the traditional pesticide application mode, the unmanned aerial vehicle spray has the advantages of good pesticide application effect, small damage to crops, guarantee of safety of pesticide application personnel, reduction of pesticide application operation strength and the like. Meanwhile, electrostatic spraying is a novel spraying technology which adopts a high-voltage electrostatic technology to atomize liquid through a nozzle and carry charges to form a charged fog drop group, and has the effects of improving the uniformity and the adsorbability of the fog drops, refining the fog drops and the like. The combination of the two can further improve the spraying effect.
At present, some test platforms and methods aiming at the spraying effect of the agricultural plant protection unmanned aerial vehicle exist, but the test platforms and the methods have some defects or shortcomings, the controllable parameter quantity is less, and the optimizable data is too little; the test platform is fixed, and an outdoor real wind field cannot be simulated; no consideration is given to the combination of electrostatic means with drone sprays.
The patent with publication number CN210555636U discloses an unmanned aerial vehicle visual control spraying test bed, which comprises a fixed frame, a fog drop collecting device and a controller, wherein the fixed frame is formed by arranging a lifting frame between two longitudinal supports, stepping motors are fixed at the bottom ends of the opposite surfaces of the two longitudinal supports, the output shafts of the stepping motors are connected with one ends of lead screws, the other ends of the lead screws are matched with a fixed part fixed at the upper ends of the longitudinal supports, screw holes at the two ends of the lifting frame are matched with the lead screws, and the unmanned aerial vehicle is fixed on the lifting frame; be equipped with the shower nozzle on the unmanned aerial vehicle, the shower nozzle leads to pipe to be connected with high-order water tank, and the unmanned aerial vehicle below is equipped with droplet collection device.
However, the unmanned aerial vehicle in the invention cannot move, and only the droplet deposition effect in a static state can be tested, and the structure of the unmanned aerial vehicle in the invention is greatly different from that of the unmanned aerial vehicle in a real state.
The patent with publication number CN206930557U discloses an indoor rail mounted fog droplet deposition drift test platform of agricultural unmanned aerial vehicle, which comprises a supporting frame, linear guide, sliding platform and control system, linear guide installs on the support frame, control system installs sliding platform on sliding platform and includes the slip table frame, step motor, the step motor driver, band pulley drive mechanism and straight rack drive mechanism, slip table frame slidable mounting is on linear guide, step motor and step motor driver are installed on the slip table frame, band pulley drive mechanism installs straight rack drive mechanism on step motor's output shaft and includes gear and straight rack, the straight rack is installed on the support frame and is compressed tightly by linear guide, gear and band pulley drive mechanism link to each other.
However, the invention cannot adjust the flying angle, the size of the body, the length of the arm, the angle and the height of the spray head when the unmanned aerial vehicle flies, and cannot provide the electrostatic spraying function.
The invention discloses an unmanned aerial vehicle electrostatic spraying test platform, which is used for adjusting parameters such as the flight height, the flight speed, the arm length, the body size and whether the unmanned aerial vehicle has charges or not and researching the influence of the parameters, the operating parameters and other factors of the unmanned aerial vehicle on the spraying effect.
Disclosure of Invention
Aiming at the defects and problems of the existing equipment, the invention provides an unmanned aerial vehicle electrostatic spraying performance test system which has the function of adjusting various test parameters.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an unmanned aerial vehicle electrostatic spraying test platform comprises a test platform supporting and moving frame 1, a sliding guide rail device 2, a fixed plate 3, an unmanned aerial vehicle flight angle adjusting device 4, an electrostatic spray head 5 with adjustable angle and height, a spraying assembly and fixed support 6 and a machine body and machine body parameter adjusting device 7; the sliding guide rail device 2 is positioned on the test platform supporting and moving frame 1, so that the device can simulate the flight of the unmanned aerial vehicle; the fixed plate 3 is fixed on the movable slider 204 and the lead screw nut 205 of the sliding guide rail device 2, and can move on the platform through the rotation of the lead screw 202; the unmanned aerial vehicle flight angle adjusting device 4 comprises a straight wheel fork 401, a fixing nut 402, a fixing flange plate 403, a cross shaft 404, a shaft fork 405 and a connecting flange plate 406, wherein the straight wheel fork 401 is connected with a fixing plate 3 through the fixing nut 402, the cross shaft 404 respectively penetrates through holes of the straight wheel fork 401 and the shaft fork 405 and can rotate around an X axis and a Y axis, the fixing flange plate 403 is installed at the tail end of the shaft of the cross shaft 404 and respectively connected with the shaft fork 405 and the straight wheel fork 401, a threaded hole is formed in the fixing flange plate 403, angle fixing can be realized through tightening of a jackscrew, the connecting flange plate 406 is installed at the tail end of the shaft fork and is connected with a spray assembly and a fixing support 6, and angle adjusting during flight of the unmanned aerial vehicle can be realized through rotation of the cross shaft 404 in the directions of the X axis and the Y axis; the spraying assembly and the fixed support 6 are positioned above the unmanned aerial vehicle flight angle adjusting device 4 and are connected with the machine body and the machine body parameter adjusting device 7 through a support pipe 605 to provide static electricity and medicament for the device; the electrostatic nozzle 5 with adjustable angle and height is arranged below the rotor motor base 707 through a bolt, the spray nozzle comprises a linear guide rail 501, an upper sliding block 502, an upper positioning pin 503, a connecting rod 504, a middle positioning pin 505, a lower sliding block 506, a T-shaped connecting rod 507, a lower positioning pin 508, a fixing flange 509, a spray nozzle 510 and an electrode 511, wherein the upper sliding block 502 is connected with the lower sliding block 506 through the connecting rod 504, the connecting rod 504 can rotate around the upper positioning pin 503, the lower sliding block 506 is respectively connected with the T-shaped connecting rod 507 and the connecting rod 504 through the lower positioning pin 508, the T-shaped connecting rod 507 can rotate around the middle positioning pin 505, the adjustment of the angle of the device is realized, the upper sliding block 502 and the lower sliding block 506 can move along the linear guide rail 501 to realize the adjustment of the height, the spray nozzle 510 is connected with the T-shaped connecting rod 507 through the fixing flange 509, water is supplied by a water pump 604 for spraying, the electrode 511 is positioned at the tail end of the spray nozzle 510, static electricity is generated by the static electricity generator 601, and static electricity spray is formed.
Further, the test platform supporting moving frame 1 is composed of a supporting plate 101, a lifting guide rail 102, a limiting block 103, a fixed guide rail 104, a base 105, a universal wheel 106 and a sliding block 107; the base 105 is of a pentahedral structure and has certain stability; the universal wheels 106 are arranged at five positions including the lower parts of four corners of the quadrangle at the bottom of the base 105 and the lower part of the center of the quadrangle, the universal wheels 106 are connected with the base 105 through bolts, and the universal wheels 106 can freely change the moving direction and can realize braking; the fixed guide rail 104 is fixed at the center of a quadrangle at the bottom of the base 105 in a bolt connection mode, is connected with the lifting guide rail 102 through a sliding block 107, can be lifted freely, and achieves adjustment of the flying height of the unmanned aerial vehicle, and the lifting height of the unmanned aerial vehicle is controlled within a range of 2 meters to 4 meters by a limiting block 103; the support plate 101 is located the lifting guide 102 top, is fixed by the bolt for support the holistic unmanned aerial vehicle spraying system in top.
Further, the sliding guide rail device 2 is composed of a bearing seat 201, a lead screw 202, a guide rail 203, a movable slider 204, a lead screw nut 205, a coupler 206, a motor base 207 and a motor 208; the bearing seat 201, the guide rail 203, the movable sliding block 204, the motor base 207 and the motor 208 are all fixed on the supporting plate 101; the motor 208 is limited by the motor base 207 and fixed by bolts; the lead screw 202 passes through a through hole of the bearing seat 201 and is connected with the motor seat 207 through the coupler 206; screw nut 205 is located on lead screw 202, links to each other with moving slider 204 through fixed plate 3, and when motor 208 rotated, screw nut 205 then can drive moving slider 204 and fixed plate 3 and move on guide rail 203, can simulate the flight state under the real operation circumstances of unmanned aerial vehicle.
Further, in the unmanned aerial vehicle flight angle adjusting device 4, the bottom of a side plate of the straight wheel fork 401 is rectangular, the middle of the side plate is trapezoidal, the upper part of the side plate is semicircular, and the distance between two side plates of the straight wheel fork 401 needs to be larger than the width of the shaft fork 405, so that the cross shaft 404 rotates in the X-axis direction without rod interference; the distance between the two forks at the fork ends of the shaft fork 405 needs to be larger than the diameter of the upper semi-circle of the two side plates of the straight wheel fork 401, so that the rotation of the shaft fork 405 in the Y-axis direction has no interference.
Furthermore, a U-shaped groove is formed in the position, overlapped by 180 degrees, of the connecting rod 504 and the middle positioning pin 505 in the electrostatic sprayer 5 with the adjustable angle and the adjustable height, so that the electrostatic sprayer 5 with the adjustable angle and the adjustable height can be adjusted within the range of 0-180 degrees, and the problem of interference in the angle adjustment of the sprayer is avoided.
Further, the spraying assembly and the fixed bracket 6 are composed of an electrostatic generator 601, a battery 602, a water tank 603, a water pump 604, a bracket pipe 605, a fixed seat 606, a bedplate 607, a tee fixing piece 608, a medicine box fixing piece 609 and a foot rest fixing piece 610; the support pipe 605 is fixed into a trapezoidal shape by an inclined tee joint fixing piece 608, is fixed to the medicine boxes by a medicine box fixing piece 609, and is fixed to the machine body and below the machine body parameter adjusting device 7 by a foot rest fixing piece 610 to form an integral structure which is closer to the unmanned aerial vehicle in a real operation state; the support tube 605 is mounted on the platen 607 through a fixing seat 606; a battery 602 is arranged on the water tank 603 and used for supplying power to the whole device; the electrostatic generator 601 is arranged on the battery 602 and can generate electrostatic spray; the water pump 604 is installed in the tank 603, and pumps water from the tank 603 and transports the water to the head 510.
Further, the airframe and airframe parameter adjusting device 7 is composed of a replaceable airframe 701, a slotted plate 706, an airframe arm fixing seat 702, a telescopic airframe arm 703, a rotor 704, a rotor motor 705 and a rotor motor seat 707; the bottom boss of the replaceable unmanned aerial vehicle body 701 is clamped into the square notch of the grooving plate 706, and if the replaceable unmanned aerial vehicle body needs to be taken down, the bottom boss can still be pinched and taken out for replacement, so that the size of the unmanned aerial vehicle body can be adjusted; the telescopic boom 703 is fixed on the slotted plate 706 through a boom fixing seat 702; rotor 704 is connected and installed on rotor motor 705 through the connecting piece, and rotor motor 705 is installed on rotor motor seat 707, can drive the rotation of rotor 704 when rotor motor 705 starts.
Further, the machine body and the telescopic boom 703 in the machine body parameter adjusting device 7 are composed of a hollow shaft 708 and a solid shaft 709, the solid shaft 709 is installed in the hollow shaft 708, and the solid shaft 709 can freely move along the hollow shaft to complete the adjustment of the length of the boom; the hollow shaft 708 is provided with a threaded hole, and after the length adjustment is completed, the hollow shaft can be tightly jacked by a jackscrew to fix the relative position of the solid shaft 709.
The invention has the beneficial effects that: compared with the prior art, the invention can adjust and fix the flight angle in the flight test of the unmanned aerial vehicle, can also conveniently change the size of the body of the unmanned aerial vehicle, the length of the arm, the flight height and the flight speed, and adjust the spraying angle and the height of the spray head of the unmanned aerial vehicle, thereby overcoming the problem that the working state of the unmanned aerial vehicle cannot be flexibly adjusted in the prior art, more truly simulating the working parameters of the unmanned aerial vehicle during the flight, being beneficial to the optimization design of the unmanned aerial vehicle and the spraying parameters, and being additionally provided with the electrostatic spraying system, being capable of better exploring the influence of the electrostatic spraying on the spraying effect.
Drawings
FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention.
FIG. 2 is a schematic diagram of the structure of the test platform supporting and moving frame of the device of the present invention.
Fig. 3 is a schematic view of the structure of the lifting guide rail and the fixed guide rail of the device of the invention.
Fig. 4 is a schematic view of the structure of the sliding guide rail device of the invention.
Fig. 5 is a schematic structural view of an unmanned aerial vehicle flight angle adjusting device of the device.
FIG. 6 is a schematic view of an angle and height adjustable electrostatic spray head of the apparatus of the present invention.
Fig. 7 is a schematic view of the spray assembly and the mounting bracket of the device of the present invention.
Fig. 8 is a schematic structural diagram of the machine body and the machine body parameter adjusting device of the device.
Fig. 9 is a schematic view of the telescopic boom structure of the apparatus of the present invention.
FIG. 10 is a schematic view of the construction of the universal wheel of the apparatus of the present invention.
Fig. 11 is a schematic view of a slotted plate configuration of the apparatus of the present invention.
Fig. 12 is a schematic view of an alternative body of the device of the present invention.
In the figure: 1-a test platform supports a moving frame; 101-a support plate; 102-a lifting rail; 103-a limiting block; 104-a fixed guide rail; 105-a base; 106-universal wheel; 107-a slide block; 2-a sliding guide rail device; 201-a bearing seat; 202-a lead screw; 203-a guide rail; 204-moving the slider; 205-lead screw nut; 206-a coupling; 207-motor base; 208-a motor; 3, fixing a plate; 4-unmanned aerial vehicle flight angle adjusting device; 401-straight wheel fork; 402-a retaining nut; 403-fixing a flange plate; 404-a cross-shaft; 405-a yoke; 406-connecting flange; 5-an electrostatic sprayer with adjustable angle and height; 501-linear guide rail; 502-upper slider; 503-upper positioning pin; 504-connecting rod; 505-center locating pin; 506-lower slider; 507-T shaped connecting rod; 508-lower locating pins; 509-a fixed flange; 510-a spray head; 511-electrodes; 6-spraying component and fixing bracket; 601-an electrostatic generator; 602-a battery; 603-a water tank; 604-a water pump; 605-a stent tube; 606-a fixed seat; 607-platen; 608-tee bend mounting; 609-medicine chest fixing part; 610-horse fixing parts; 7-fuselage and fuselage parameter adjusting device; 701-a replaceable body; 702-a horn mount; 703-telescoping boom; 704-a rotor; 705-rotor motor; 706-grooving plate; 707-rotor motor mount; 708-a hollow shaft; 709-solid shaft.
Detailed Description
The structure, principle and operation of the present invention will be further described with reference to the accompanying drawings.
The utility model provides an unmanned aerial vehicle electrostatic spraying experiment platform, as shown in figure 1, support including test platform and remove frame 1, sliding guide device 2, fixed plate 3, unmanned aerial vehicle flight angle adjusting device 4, but angle regulation and height's electrostatic spray head 5, spraying subassembly and fixed bolster 6 and fuselage parameter adjusting device 7, holistic unmanned aerial vehicle can remove along with the removal of fixed plate 3 on the sliding guide device 2, but angle regulation and height's electrostatic spray head 5 carries out the spraying operation at the flight in-process, in order to reach the state of unmanned aerial vehicle flight spraying under the simulation true condition.
Fig. 2 is a schematic structural diagram of the test platform supporting moving frame 1, fig. 10 is a schematic structural diagram of the universal wheel 106, the universal wheel 106 is located at the bottommost part of the device, the steering and moving of the whole test bed can be controlled, and the brake function can be realized, the supporting part of the whole test bed is composed of three bases 105, and the bases 105 are of a pentahedron structure and have stability. Fig. 3 is lift guide and fixed guide structure sketch map, and lift guide 102 relies on slider 107 to be connected with fixed guide 104, can realize the regulation on the platform height, but height-adjusting from 2m to 4m, the true height that has simulated unmanned aerial vehicle flight, and after the altitude mixture control finishes, rely on stopper 103 fixed.
Fig. 4 is a schematic structural diagram of a sliding guide rail device of the present invention, wherein a motor 208 is fixed on a motor base 207, an output end of the motor is connected with a lead screw 202 through a coupling 206, the lead screw is fixed by a bearing block 201, the motor 208 rotates to drive the lead screw 202 to rotate, and further drive a lead screw nut 205 to move, and the lead screw nut 205 is connected with a moving slide block 204 on a guide rail 203 through a fixed plate 3, and further drive the fixed plate 3 and the device thereon to move integrally.
Fig. 5 is a schematic structural view of an unmanned aerial vehicle flight angle adjusting device 4 of the device of the present invention, the whole is fixed on a fixing plate 3 through a fixing nut 402, a cross shaft 404 passes through two through holes of a straight wheel fork 401 and a shaft fork 405 respectively, a fixing flange plate 403 is installed on each of four shaft ends of the cross shaft 404, a threaded hole is opened on the fixing flange plate 403, and angle fixing can be realized through tightening of a jackscrew. The distance between the two side plates of the straight wheel fork 401 needs to be larger than the width of the shaft fork 405; the distance between two forks at the fork ends of the shaft fork 405 needs to be larger than the diameter of the upper portion of the two side plates of the straight wheel fork 401, so that the unmanned aerial vehicle flight angle adjusting device can rotate 360 degrees. Unmanned aerial vehicle flight angle adjusting device 4 links to each other with spraying subassembly and fixed bolster 6 through connecting flange 406.
Fig. 6 is a schematic structural diagram of an electrostatic spray head with adjustable angle and height of the device of the present invention, wherein a connecting rod 504 is connected between an upper slide block 502 and a lower slide block 506, the connecting rod 504 is connected with the upper slide block 502 through an upper positioning pin 503, and the lower slide block 506 is kept at a certain distance with respect to the upper slide block 502 and can freely slide on a linear guide 501 to form adjustment in the height direction of the device. The spray head 510 is connected with the T-shaped connecting rod 507 through a fixed flange 509, the T-shaped connecting rod 507 is connected with the lower sliding block 506 through a middle positioning pin 505 and is connected with the connecting rod 504 through a lower positioning pin 508 to form a crank sliding block mechanism, the spray head 510 and the T-shaped connecting rod 507 are axially fixed and can swing along with the swinging of the T-shaped connecting rod 507 to form angle adjustment, in addition, a U-shaped groove is formed in the connecting rod 504, the condition that the spray head cannot rotate to 180 degrees is avoided, and the spray head angle can be adjusted between 0 degree and 180 degrees is guaranteed. The spray head 510 is provided at the top thereof with a motor 511 for generating electrostatic spray by static electricity generated from an electrostatic generator 601.
Fig. 7 is a schematic structural diagram of the spraying assembly and the fixing bracket 6 of the device of the present invention, the bracket tube 605 is combined into a ladder-shaped structure by an inclined three-way fixing member 608, and is divided into two rows to support the water tank 603 and the machine body parameter adjusting device 7, and is fixed with the same by a medicine box fixing member 609 and a foot stand fixing member 610. The integral structure is mounted on a platen 607 by a mount 606. The water pump 604 is installed in the tank of the water tank 603, and the water pump 604 pumps water from the water tank 603 and delivers the water to the spray head 510 to form a spray. Above the water tank 603 are a battery 602 and an electrostatic generator 601, the battery 602 supplies power to the whole system, and the electrostatic generator 601 generates static electricity at the electrode 511.
Fig. 8 is a schematic structural diagram of the machine body and the machine body parameter adjusting device 7 of the device of the present invention, and as shown in fig. 11, the slotted plate 706 is provided with a plurality of slots in the cross direction, and each slot can be matched and clamped with a boss in the replaceable machine body 701 shown in fig. 12, so as to achieve the purpose of fixing. In addition, the replaceable body 701 can be disassembled and replaced in different sizes, so that the purpose of researching the influence of different body sizes on the spraying effect is achieved. The four telescopic booms 703 are fixed on the slotted plate 706 through the boom fixing base 702 and are located at the midpoint positions of the four sides of the slotted plate 706. As shown in fig. 9, the telescopic boom 703 is divided into two parts, namely a hollow shaft 708 and a solid shaft 709, the solid shaft 709 can freely extend and retract inside the hollow shaft 708 to achieve the purpose of changing the length of the boom, and the hollow shaft 708 is provided with a threaded hole for fixing the relative position thereof by a jackscrew. The tail end of the telescopic aircraft arm 703 is provided with a rotor motor base 704, a rotor motor 705 is fixed on the rotor motor base 707, the rotor 704 is connected through a connecting piece and is arranged on the rotor motor 705, and after the device starts to work, the motor is started, and the rotor starts to rotate.
The invention uses the best working parameter when testing the unmanned aerial vehicle spraying operation, and the method comprises the following steps:
a. the entire device is moved to an environment suitable for testing, the universal wheels 106 are braked and the test is started after stabilization.
b. Injecting test liquid medicine into the water tank 603, adjusting the angle and the height of the spray head 510 in the electrostatic spray head 5 with adjustable angle and height, after fixing, selecting a replaceable body 701 with a required size to be inserted into the slotted plate 706, and then adjusting the unmanned aerial vehicle flight angle adjusting device 4.
c. Fix the unmanned aerial vehicle to the flight angle that needs the test and adjust fixed plate 3 and remove to guide rail 203 one end. The height of the movable frame 1 is supported by the adjusting test platform, and the height is limited by the limiting block 103 after the height is adjusted to the required height.
d. Rotor motor 705 is activated, then motor 208 is activated and the spraying operation is initiated.
e. And after the operation is stopped, the motor is turned off, the water-sensitive test paper under the test platform is collected, and data is recorded and analyzed.
f. Changing the required parameters and repeating the steps b-c.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides an unmanned aerial vehicle electrostatic spray test platform which characterized in that: the device comprises a test platform supporting and moving frame (1), a sliding guide rail device (2), a fixed plate (3), an unmanned aerial vehicle flight angle adjusting device (4), an electrostatic spray head (5) with adjustable angle and height, a spraying assembly and fixed support (6) and a machine body and machine body parameter adjusting device (7); the sliding guide rail device (2) is positioned on the test platform supporting and moving frame (1); the fixed plate (3) is fixed on a movable sliding block (204) and a lead screw nut (205) of the sliding guide rail device (2), and can move on the platform through the rotation of the lead screw (202); the unmanned aerial vehicle flight angle adjusting device (4) comprises a straight wheel fork (401), a fixing nut (402), a fixing flange plate (403), a cross shaft (404), a shaft fork (405) and a connecting flange plate (406), wherein the straight wheel fork (401) is connected with a support plate (3) through the fixing nut (402), the cross shaft (404) respectively penetrates through holes of the straight wheel fork (401) and the shaft fork (405) and can rotate around an X shaft and a Y shaft, the fixing flange plate (403) is installed at the tail end of the shaft of the cross shaft (404) and respectively connected with the shaft fork (405) and the straight wheel fork (401), threaded holes are formed in the fixing flange plate (403), angle fixing can be realized through tightening of a jackscrew, the connecting flange plate (406) is installed at the tail end of the shaft fork shaft and is connected with a spraying assembly and a fixing support (6); the spraying assembly and the fixed support (6) are positioned above the unmanned aerial vehicle flight angle adjusting device (4) and are connected with the machine body and the machine body parameter adjusting device (7) through a support pipe (605); the electrostatic sprayer (5) with the adjustable angle and height is positioned below a rotor motor base (707) and comprises a linear guide rail (501), an upper sliding block (502), an upper positioning pin (503), a connecting rod (504), a middle positioning pin (505), a lower sliding block (506), a T-shaped connecting rod (507), a lower positioning pin (508), a fixed flange (509), a sprayer (510) and an electrode (511), wherein the upper sliding block (502) is connected with the lower sliding block (506) through the connecting rod (504), the connecting rod (504) can rotate around the upper positioning pin (503), the lower sliding block (506) is respectively connected with the T-shaped connecting rod (507) and the connecting rod (504) through the lower positioning pin (508), the T-shaped connecting rod (507) can rotate around the middle positioning pin (505), the upper sliding block (502) and the lower sliding block (506) can move along the linear guide rail (501), and the sprayer (510) is connected with the T-shaped connecting rod (507) through the fixed flange (509), the electrode (511) is located at the end of the showerhead (510).
2. The unmanned aerial vehicle electrostatic spray test platform of claim 1, characterized in that: the test platform supporting and moving frame (1) consists of a supporting plate (101), a lifting guide rail (102), a limiting block (103), a fixed guide rail (104), a base (105), universal wheels (106) and a sliding block (107); the base (105) is of a pentahedral structure and has certain stability; the four vertexes of the universal wheel (106) positioned at the bottom of the base (105) are connected with the five centers through bolts; the fixed guide rail (104) is fixed by a base (105), is mutually connected with the lifting guide rail (102) through a sliding block (107), can be freely lifted, and the lifting height of the fixed guide rail is controlled by a limit block (103); the supporting plate (101) is located above the lifting guide rail (102) and fixed by bolts.
3. The unmanned aerial vehicle electrostatic spray test platform of claim 1, characterized in that: the sliding guide rail device (2) consists of a bearing seat (201), a lead screw (202), a guide rail (203), a movable sliding block (204), a lead screw nut (205), a coupler (206), a motor base (207) and a motor (208); the bearing seat (201), the guide rail (203), the movable sliding block (204), the motor base (207) and the motor (208) are fixed on the supporting plate (101) through bolts; the motor (208) is fixed by a motor base (207); the lead screw (202) penetrates through a through hole of the bearing seat (201) and is connected with a motor (208) through a coupler (206); the screw nut (205) is positioned on the screw (202) and is connected with the movable sliding block (204) through the fixing plate (3), and when the motor (208) rotates, the screw nut (205) can drive the movable sliding block (204) and the fixing plate (3) to move on the guide rail (203).
4. The unmanned aerial vehicle electrostatic spray test platform of claim 1, characterized in that: the distance between two side plates of the straight wheel fork (403) needs to be larger than the width of the shaft fork (405), the bottom of the side plate of the straight wheel fork (401) is rectangular, the middle part of the side plate is trapezoidal, and the upper part of the side plate is semicircular; the distance between the two forks at the fork ends of the shaft fork (405) needs to be larger than the diameter of the upper semi-circle of the two side plates of the straight wheel fork (401).
5. The unmanned aerial vehicle electrostatic spray test platform of claim 1, characterized in that: the connecting rod (504) and the middle positioning pin (505) are provided with a U-shaped groove at a position coinciding with 180 degrees, so that the position of the electrostatic spray head (5) with adjustable angle and height can be adjusted between 0 degree and 180 degrees.
6. The unmanned aerial vehicle electrostatic spray test platform of claim 1, characterized in that: the spraying assembly and the fixed support (6) are composed of an electrostatic generator (601), a battery (602), a water tank (603), a water pump (604), a support pipe (605), a fixed seat (606), a bedplate (607), an inclined tee fixing piece (608), a medicine box fixing piece (609) and a foot rest fixing piece (610); the support pipe (605) is fixed into a trapezoid shape by an inclined tee joint fixing piece (608), is fixed on the medicine chest by a medicine chest fixing piece (609), is fixed below the machine body and the machine body parameter adjusting device (7) by a foot stand fixing piece (610), and is arranged on the bedplate (607) through a fixing seat (606); the battery (602) is arranged on the water tank (603); the static electricity generator (601) is arranged on the battery (602); the water pump (604) is mounted on the tank part of the water tank (603).
7. The unmanned aerial vehicle electrostatic spray test platform of claim 1, characterized in that: the fuselage and the fuselage parameter adjusting device (7) are composed of a replaceable fuselage (701), a slotted plate (706), a horn fixing seat (702), a telescopic horn (703), a rotor (704), a rotor motor (705) and a rotor motor seat (707); the bottom boss of the replaceable machine body (701) is clamped into the square notch of the slotted plate; the telescopic mechanical arm (703) is fixed on the slotted plate (706) through a mechanical arm fixing seat (702); the rotor motor (707) and the rotor (704) are installed on the rotor motor base (707) through bolt connection.
8. The unmanned aerial vehicle electrostatic spray test platform of claim 1, characterized in that: the telescopic mechanical arm (703) consists of a hollow shaft (708) and a solid shaft (709), and the solid shaft (709) can move freely; the hollow shaft (708) is provided with a threaded hole, and after the length is adjusted, the position of the solid shaft (709) is fixed by a jackscrew.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111298620.4A CN113978759B (en) | 2021-11-04 | 2021-11-04 | Unmanned aerial vehicle static spray test platform |
| PCT/CN2022/105050 WO2023077855A1 (en) | 2021-11-04 | 2022-07-12 | Unmanned aerial vehicle electrostatic spraying test platform |
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| CN202111298620.4A CN113978759B (en) | 2021-11-04 | 2021-11-04 | Unmanned aerial vehicle static spray test platform |
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| CN113978759B CN113978759B (en) | 2024-04-09 |
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| CN115266178A (en) * | 2022-09-18 | 2022-11-01 | 常州希米智能科技有限公司 | Plant protection machine test platform |
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| WO2023077855A1 (en) | 2023-05-11 |
| CN113978759B (en) | 2024-04-09 |
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