CN113978759B - Unmanned aerial vehicle static spray test platform - Google Patents
Unmanned aerial vehicle static spray test platform Download PDFInfo
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- CN113978759B CN113978759B CN202111298620.4A CN202111298620A CN113978759B CN 113978759 B CN113978759 B CN 113978759B CN 202111298620 A CN202111298620 A CN 202111298620A CN 113978759 B CN113978759 B CN 113978759B
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 239000007921 spray Substances 0.000 title claims abstract description 41
- 230000003068 static effect Effects 0.000 title claims description 11
- 238000005507 spraying Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000007787 solid Substances 0.000 claims description 10
- 239000003814 drug Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 238000007590 electrostatic spraying Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 9
- 239000000575 pesticide Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
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- 230000007246 mechanism Effects 0.000 description 5
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- 241000607479 Yersinia pestis Species 0.000 description 1
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Classifications
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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
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
Abstract
The invention discloses an unmanned aerial vehicle electrostatic spraying test platform, which comprises a test platform supporting moving frame, a sliding guide rail device, a fixed plate, an unmanned aerial vehicle flight angle adjusting device, an electrostatic spray head capable of adjusting the angle and the height, a spraying assembly, a fixed bracket, a machine body and a machine body parameter adjusting device, wherein the fixed bracket is arranged on the test platform supporting moving frame; 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 fixed plate is connected with the spraying assembly and the fixed bracket; the electrostatic spray head with adjustable angle and height is positioned below the rotor motor seat; an unmanned aerial vehicle flight angle adjusting device is arranged above the motor seat in the spraying assembly and the fixed bracket; an electrostatic spray head with adjustable angle and height is arranged below the machine body and the machine body parameter adjusting device. Compared with the prior device, the device provided by the invention 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 different conditions.
Background
The crop yield in China is increased year by year, and meanwhile, the crop yield is accompanied by disease, insect and weed, the crop yield is reduced in a large area, and the agricultural production in China and the national grain safety are seriously affected. At present, the prevention and control measures of the diseases, the weeds and the pests in China still take chemical pesticides and other measures as the main measures, and the problems of excessive pesticide use, excessive pesticide residue, poisoning in the operation process of pesticide application personnel and the like are caused by the prevention and control concept and the lag of pesticide application instruments in part of areas.
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 strength in the field. Compared with the traditional pesticide spraying mode, the unmanned aerial vehicle spraying has the advantages of good pesticide spraying effect, small damage to crops, guarantee of pesticide spraying personnel safety, reduction of pesticide spraying operation intensity and the like. Meanwhile, the electrostatic spraying is used as a novel spraying technology for atomizing liquid through a nozzle and charging the liquid to form charged fog drop groups by adopting a high-voltage electrostatic technology, and has the effects of improving fog drop uniformity and adsorptivity, thinning fog drops and the like. The combination of the two can further improve the spraying effect.
At present, a plurality of platforms and methods for testing the spraying effect of the unmanned aerial vehicle for agricultural plant protection exist, but the platforms and the methods have defects or shortages, the controllable parameter quantity is less, and the optimized data is too little; the test platform is fixed, and an outdoor real wind field cannot be simulated; the combination of electrostatic devices with unmanned aerial vehicle spraying is not considered.
The patent with the bulletin number of CN210555636U discloses a visual control spraying test bed of an unmanned aerial vehicle, which comprises a fixed frame, a fog drop collecting device and a controller, wherein a lifting frame is arranged between two longitudinal supports, stepping motors are fixed at the bottom ends of opposite surfaces of the two longitudinal supports, an output shaft of each stepping motor is connected with one end of a lead screw, the other end of the lead screw is matched with a fixing piece fixed at the upper end of the longitudinal support, screw holes at two ends of the lifting frame are matched with the lead screw, 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 passes through the water pipe and is connected with high-level 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 can only test the fog drop deposition effect in a static state, and the unmanned aerial vehicle structure in the invention is quite different from that of the unmanned aerial vehicle in a real state.
The patent with the bulletin number of CN206930557U discloses an indoor track type droplet deposition drifting test platform of an agricultural unmanned aerial vehicle, which comprises a supporting frame, linear guide, a sliding platform and a control system, wherein the linear guide is installed on the supporting frame, the control system is installed on the sliding platform, the sliding platform comprises a sliding table frame, a stepping motor driver, a belt wheel transmission mechanism and a straight rack transmission mechanism, the sliding table frame is installed on the linear guide in a sliding manner, the stepping motor and the stepping motor driver are installed on the sliding table frame, the straight rack transmission mechanism is installed on an output shaft of the stepping motor and comprises a gear and a straight rack, the straight rack is installed on the supporting frame and is compressed by the linear guide, and the gear is connected with the belt wheel transmission mechanism.
However, the invention cannot adjust the flight angle, the fuselage size, the arm length, the nozzle angle and the height of the unmanned aerial vehicle during flight, and cannot provide an electrostatic spraying function.
Therefore, the invention discloses an unmanned aerial vehicle electrostatic spraying test platform, which is used for realizing the adjustment of parameters such as the flight height, the flight speed, the horn length, the fuselage size, whether the unmanned aerial vehicle is charged or not and the like, and is used for researching the influence of factors such as unmanned aerial vehicle parameters and operation parameters 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 above purpose, the technical scheme of the invention is as follows:
an unmanned aerial vehicle electrostatic spraying test platform comprises a test platform supporting 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 component, a fixed bracket 6, a machine body and a machine body parameter adjusting device 7; the sliding guide rail device 2 is positioned on the test platform supporting moving frame 1, so that the device can simulate the flight of an unmanned aerial vehicle; the fixed plate 3 is fixed on the movable slide block 204 and the screw nut 205 of the sliding guide rail device 2, and can move on the platform through the rotation of the screw 202; the unmanned aerial vehicle flight angle adjusting device 4 comprises a straight fork 401, a fixing nut 402, a fixing flange 403, a cross shaft 404, a shaft fork 405 and a connecting flange 406, wherein the straight fork 401 is connected with the fixing plate 3 through the fixing nut 402, the cross shaft 404 respectively penetrates through holes of the straight fork 401 and the shaft fork 405 and can rotate around an X axis and a Y axis, the fixing flange 403 is arranged at the tail end of the shaft of the cross shaft 404 and is respectively connected with the shaft fork 405 and the straight fork 401, a threaded hole is formed in the fixing flange 403, the angle can be fixed through the jacking of a jackscrew, the connecting flange 406 is arranged at the tail end of the shaft fork and is connected with the spraying component and the fixing bracket 6, and the adjustment of the unmanned aerial vehicle flight angle can be realized through the rotation of the cross shaft 404 in the X axis and the Y axis directions; the spraying component and the fixed bracket 6 are positioned above the unmanned aerial vehicle flight angle adjusting device 4, and are connected with the airframe and airframe parameter adjusting device 7 through the bracket tube 605 to provide static electricity and medicament for the device; the electrostatic spray head 5 with adjustable angle and height is arranged below a rotor motor seat 707 through bolts, wherein the electrostatic spray head comprises a linear guide rail 501, an upper slide block 502, an upper locating pin 503, a connecting rod 504, a middle locating pin 505, a lower slide block 506, a T-shaped connecting rod 507, a lower locating pin 508, a fixed flange 509, a spray head 510 and an electrode 511, the upper slide block 502 and the lower slide block 506 are connected through the connecting rod 504, the connecting rod 504 can rotate around the upper locating pin 503, the lower slide block 506 is respectively connected with the T-shaped connecting rod 507 and the connecting rod 504 through the lower locating pin 508, the T-shaped connecting rod 507 can rotate around the middle locating pin 505, the adjustment of the device angle is realized, the upper slide block 502 and the lower slide block 506 can move along the linear guide rail 501 to realize the adjustment of the height, the spray head 510 is connected with the T-shaped connecting rod 507 through the fixed flange 509, the water is supplied by a water pump 604 to perform spraying operation, the electrode 511 is positioned at the tail end of the spray head 510, static electricity is generated by the static generator 601, and electrostatic spray is formed.
Further, 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 pentahedron structure and has certain stability; the universal wheels 106 are arranged at five parts of 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 the 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 freely lift, and realizes the adjustment of the flying height of the unmanned aerial vehicle, and the lifting height is controlled within the range of 2 meters to 4 meters by the limiting block 103; the support plate 101 is located above the lifting guide rail 102, is fixed by bolts, and is used for supporting the unmanned aerial vehicle spraying system integrally arranged above.
Further, the sliding guide rail device 2 is composed of a bearing seat 201, a lead screw 202, a guide rail 203, a movable slide 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 slide block 204, the motor seat 207 and the motor 208 are all fixed on the supporting plate 101; the motor 208 is defined in position by the motor mount 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 a coupler 206; the screw nut 205 is located above the screw 202 and is connected with the movable slide block 204 through the fixed plate 3, when the motor 208 rotates, the screw nut 205 can drive the movable slide block 204 and the fixed plate 3 to move on the guide rail 203, so that the flight state of the unmanned aerial vehicle under the condition of real operation can be simulated.
Further, in the unmanned aerial vehicle flight angle adjusting device 4, the bottom of the side plate of the straight wheel fork 401 is rectangular, the middle is trapezoidal, the upper part is semicircular, and 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, so that the rotation of the cross shaft 404 in the X-axis direction is free from rod interference; the distance between the fork ends of the fork 405 needs to be larger than the diameter of the semicircular upper parts of the two side plates of the straight wheel fork 401, so that the rotation of the fork 405 in the Y-axis direction is not interfered.
Further, the U-shaped groove is formed in the position where the connecting rod 504 and the middle positioning pin 505 overlap at 180 degrees in the electrostatic spray head 5 with adjustable angle and height, so that the electrostatic spray head 5 with adjustable angle and height can be adjusted within the range of 0-180 degrees, and the problem of interference during adjusting the spray head angle is avoided.
Further, the spraying component and the fixing bracket 6 are composed of an electrostatic generator 601, a battery 602, a water tank 603, a water pump 604, a bracket tube 605, a fixing 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 bracket tube 605 is fixed into a trapezoid shape by an inclined tee fixing piece 608, is fixed to a medicine box by a medicine box fixing piece 609, and is fixed under the machine body and the machine body parameter adjusting device 7 by a foot rest fixing piece 610, so that an integral structure is formed, and the integral structure is closer to the unmanned aerial vehicle in a real operation state; the bracket tube 605 is arranged on the bedplate 607 through a fixing seat 606; a battery 602 is mounted on the water tank 603 for power supply of the entire device; the electrostatic generator 601 is mounted on the battery 602, and can generate electrostatic spray; the water pump 604 is installed at the groove part of the water tank 603, pumps water from the water tank 603 and conveys the water to the spray head 510.
Further, the fuselage and fuselage parameter adjusting device 7 is composed of a replaceable fuselage 701, a slotted plate 706, a jib fixing seat 702, a telescopic jib 703, a rotor 704, a rotor motor 705 and a rotor motor seat 707; the bottom boss of the replaceable fuselage 701 is clamped into the square notch of the slotted plate 706, and if the replaceable fuselage is required to be taken down, the bottom boss can still be pinched to be taken out for replacement, and the size of the unmanned plane fuselage can be adjusted; the telescopic horn 703 is fixed on the slotted plate 706 through the horn 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 cabinet 707, and rotor motor 705 can drive rotor 704's rotation when starting.
Further, the telescopic arm 703 in the device 7 for adjusting the parameters of the body and the fuselage is 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 arm; the hollow shaft 708 is provided with a threaded hole, and after the length adjustment is completed, a jackscrew can be used for jacking so as to fix the relative position with the solid shaft 709.
The invention has the beneficial effects that: compared with the prior art, the unmanned aerial vehicle spraying device can adjust and fix the flight angle in the unmanned aerial vehicle flight test, can also conveniently change the size of the unmanned aerial vehicle body, the length of the horn, the flight height and the flight speed, can adjust the spraying angle and the height of the spraying head of the unmanned aerial vehicle spraying head, overcomes the problem that the unmanned aerial vehicle working state cannot be flexibly adjusted in the prior art, more truly simulates the working parameters of the unmanned aerial vehicle during flight, is beneficial to the optimal design of the unmanned aerial vehicle and the spraying parameters, and can better explore the influence of electrostatic spraying on the spraying effect by adding the electrostatic spraying system.
Drawings
Fig. 1 is a schematic view of the structure of the device of the present invention.
FIG. 2 is a schematic view of the structure of a test platform support moving frame of the device of the invention.
Fig. 3 is a schematic view of the structure of the lifting rail and the fixed rail of the device of the present invention.
Fig. 4 is a schematic view of the structure of the sliding guide rail device of the present 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 electrostatic spray head with adjustable angle and height according to the present invention.
Fig. 7 is a schematic view of the spray assembly and mounting bracket structure of the device of the present invention.
FIG. 8 is a schematic view of the structure of the body and body parameter adjusting device of the present invention.
Fig. 9 is a schematic view of the telescopic boom structure of the device of the present invention.
Fig. 10 is a schematic view of the structure of the universal wheel of the device of the present invention.
Fig. 11 is a schematic view of the slotted plate structure of the device of the present invention.
Fig. 12 is a schematic view of an alternative fuselage of the device of the present invention.
In the figure: 1-a test platform supporting moving frame; 101-a support plate; 102-lifting guide rails; 103-limiting blocks; 104-fixing the guide rail; 105-base; 106-universal wheels; 107-sliders; 2-a sliding guide rail device; 201-bearing seat; 202-a lead screw; 203-a guide rail; 204-moving the slider; 205-a lead screw nut; 206-a coupling; 207-motor base; 208-motor; 3-fixing plates; 4-an unmanned aerial vehicle flight angle adjusting device; 401-straight fork; 402-fixing the nut; 403-fixing a flange plate; 404-cross axle; 405-shaft fork; 406-connecting the flange; 5-an electrostatic spray head with adjustable angle and height; 501-linear guide rail; 502-upper slide block; 503-upper locating pins; 504-a connecting rod; 505-middle locating pin; 506-lower slide block; 507-T-shaped links; 508-lower locating pins; 509-a fixed flange; 510-spraying heads; 511-electrode; 6-spraying components and fixing brackets; 601-an electrostatic generator; 602-a battery; 603-a water tank; 604-a water pump; 605-stent tube; 606-a fixed seat; 607—a platen; 608-an inclined tee fixing piece; 609-a kit mount; 610-foot rest mount; 7-a fuselage and a fuselage parameter adjusting device; 701-replaceable fuselage; 702-a horn fixing seat; 703-telescoping horn; 704-rotor; 705-rotor motor; 706-a slotted plate; 707-rotor motor mount; 708—hollow shaft; 709—solid shaft.
Detailed Description
The structure, principles and operation of the present invention are further described with reference to the accompanying drawings.
An unmanned aerial vehicle electrostatic spraying experiment platform is shown in fig. 1, which comprises a test platform supporting 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 component, a fixed support 6, a machine body and a machine body parameter adjusting device 7, wherein the whole unmanned aerial vehicle can move along with the movement of the fixed plate 3 on the sliding guide rail device 2, and the electrostatic spray head 5 with adjustable angle and height can carry out spraying operation in the flight process so as to achieve the state of simulating unmanned aerial vehicle flight spraying under the real condition.
Fig. 2 is a schematic structural diagram of a test platform supporting and moving frame 1, fig. 10 is a schematic structural diagram of a universal wheel 106, the universal wheel 106 is located at the bottommost part of the device, so that the steering and moving of the whole test platform can be controlled, the braking function can be realized, the supporting part of the whole test platform is composed of three bases 105, and the bases 105 are of a pentahedron structure and have stability. Fig. 3 is a schematic diagram of a structure of a lifting guide rail and a fixed guide rail, the lifting guide rail 102 and the fixed guide rail 104 are connected by virtue of a sliding block 107, the height of a platform can be adjusted, the height of the platform can be adjusted from 2m to 4m, the flying height of the unmanned aerial vehicle is truly simulated, and the lifting guide rail is fixed by virtue of a limiting block 103 after the height adjustment is finished.
Fig. 4 is a schematic structural diagram of a sliding guide rail device of the present invention, a motor 208 is fixed on a motor base 207, an output end of the motor is connected with a screw 202 through a coupling 206, the screw is fixed by means of a bearing seat 201, the motor 208 rotates to drive the screw 202 to rotate, and then drive a screw nut 205 to move, and the screw nut 205 is connected with a moving slide block 204 on a guide rail 203 through a fixed plate 3, so that the fixed plate 3 and the device thereon are driven to integrally move.
Fig. 5 is a schematic structural diagram of an unmanned aerial vehicle flight angle adjusting device 4 of the device, the whole unmanned aerial vehicle flight angle adjusting device is fixed on a fixed plate 3 through a fixed nut 402, a cross shaft 404 respectively penetrates through two through holes of a straight fork 401 and a shaft fork 405, a fixed flange plate 403 is respectively arranged at four shaft ends of the cross shaft 404, threaded holes are formed in the fixed flange plate 403, and angle fixation can be achieved through jacking of jackscrews. 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 the two forks at the fork end of the shaft fork 405 needs to be larger than the semi-circular diameter of the upper parts of the two side plates of the straight wheel fork 401, so that the unmanned aerial vehicle flight angle adjusting device can realize 360-degree rotation. The unmanned aerial vehicle flight angle adjusting device 4 is connected with the spraying component and the fixed support 6 through the connecting flange 406.
Fig. 6 is a schematic view of an electrostatic spray head structure with adjustable angle and height, in which a connecting rod 504 is connected between an upper slider 502 and a lower slider 506, the connecting rod 504 is connected with the upper slider 502 through an upper positioning pin 503, the lower slider 506 keeps a certain distance relative to the upper slider 502, and can freely slide on a linear guide rail 501 to form adjustment in the height direction of the device. The shower nozzle 510 passes through mounting flange 509 and links to each other with T shape connecting rod 507, and T shape connecting rod 507 passes through well locating pin 505 and is connected with lower slider 506, is connected with connecting rod 504 through lower locating pin 508, forms a slider-crank mechanism, and shower nozzle 510 and T shape connecting rod 507 axial fixity can swing along with the swing of T shape connecting rod 507, forms the regulation on the angle, in addition, has opened the U-shaped groove on the connecting rod 504, has avoided the shower nozzle unable condition of turning to 180, has guaranteed that the shower nozzle angle can be adjusted between 0 to 180. The motor 511 is provided at the top of the nozzle 510, and generates electrostatic spray by the static electricity generated by the static electricity generator 601.
Fig. 7 is a schematic structural diagram of a spray assembly and a fixing bracket 6 of the device of the present invention, wherein a bracket tube 605 is assembled into a trapezoid structure by an inclined tee fixing piece 608, is divided into two rows for supporting a water lifting tank 603 and a machine body and machine body parameter adjusting device 7, and is respectively fixed with the bracket fixing piece 610 by a medicine box fixing piece 609. The integral structure is mounted on the platen 607 by a mounting seat 606. The tank 603 is provided with a water pump 604 at the tank part, and the water pump 604 pumps water from the tank 603 to the nozzle 510 to form spray. A battery 602 and an electrostatic generator 601 are arranged on the water tank 603, 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 a body and body parameter adjusting device 7 of the device of the present invention, as shown in fig. 11, the slotted plate 706 is provided with a plurality of slots in a cross direction, and each slot can be mutually matched and clamped with a boss in the replaceable body 701 shown in fig. 12, so as to achieve the purpose of fixing. In addition, the replaceable machine body 701 can be disassembled and replaced in different sizes, so as to achieve the purpose of researching the influence of different machine body sizes on the spraying effect. Four telescopic horn 703 are fixed on the slotted plate 706 through the horn fixing base 702 and are positioned at the midpoint of four sides of the slotted plate 706. As shown in fig. 9, the telescopic arm 703 is divided into a hollow shaft 708 and a solid shaft 709, the solid shaft 709 can freely stretch and retract inside the hollow shaft 708 to achieve the purpose of changing the arm length, and the hollow shaft 708 is provided with a threaded hole, so that the relative position of the hollow shaft 708 can be fixed through a jackscrew. The end of the telescopic horn 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 and arranged on the rotor motor 705 through a connecting piece, and after the device starts working, the motor is started, and the rotor starts rotating.
The invention tests the optimal working parameters of unmanned aerial vehicle during spraying operation, and the method comprises the following steps:
a. the whole device is moved to an environment suitable for testing, the universal wheel 106 is stopped, and after the device is stabilized, the test is started.
b. The water tank 603 is filled with test liquid medicine, the angle and the height of the spray head 510 in the electrostatic spray head 5 with adjustable angle and height are adjusted, after the fixing, the replaceable fuselage 701 with the required size is selected to be inserted into the slotted plate 706, and then the unmanned plane flying angle adjusting device 4 is adjusted.
c. The unmanned aerial vehicle is fixed to the flight angle to be tested and the adjustment fixing plate 3 is moved to one end of the guide rail 203. And the height of the test platform supporting movable frame 1 is adjusted, and the height is limited by a limiting block 103 after the height is adjusted to the required height.
d. Rotor motor 705 is started, after which motor 208 is started and spraying begins.
e. After the operation is stopped, the motor is turned off, water sensitive test paper under the test platform is collected, data are recorded, and analysis is carried out.
f. Changing the required parameters and repeating steps b-c.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. An unmanned aerial vehicle static spray test platform, its characterized in that: the unmanned aerial vehicle flight angle adjusting device comprises a test platform supporting 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 component, a fixed bracket (6) and a machine body and machine body parameter adjusting device (7);
the base (105) of the test platform supporting moving frame (1) is of a pentahedron structure, the fixed guide rail (104) is fixed by the base (105), and is connected with the lifting guide rail (102) through the sliding block (107) to be lifted freely, and the lifting height of the fixed guide rail is controlled by the limiting block (103);
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 moving slide block (204) and a screw nut (205) of the sliding guide rail device (2), and can move on the platform through the rotation of a screw (202);
the unmanned aerial vehicle flight angle adjusting device (4) comprises a straight 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 fork (401) is connected with the fixing plate (3) through the fixing nut (402), the cross shaft (404) respectively penetrates through holes of the straight fork (401) and the shaft fork (405) and can rotate around an X axis and a Y axis, the fixing flange plate (403) is arranged at the tail end of the shaft of the cross shaft (404) and is respectively connected with the shaft fork (405) and the straight fork (401), threaded holes are formed in the fixing flange plate (403), the angle can be fixed through jacking of jackscrews, and the connecting flange plate (406) is arranged at the tail end of the shaft fork and is connected with the spraying component and the fixing bracket (6);
the electrostatic spray head (5) with adjustable angle and height is positioned below a rotor motor seat (707), and comprises a linear guide rail (501), an upper sliding block (502), an upper locating pin (503), a connecting rod (504), a middle locating pin (505), a lower sliding block (506), a T-shaped connecting rod (507), a lower locating pin (508), a fixed flange (509), a spray head (510) and an electrode (511), wherein a U-shaped groove is formed in the overlapping position of the connecting rod (504) and the middle locating pin (505) at 180 degrees, so that the electrostatic spray head (5) with adjustable angle and height can be adjusted between 0 degrees and 180 degrees, and the electrode (511) is positioned at the tail end of the spray head (510); the spraying assembly and the fixed bracket (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 the bracket tube (605); the bracket tube (605) is fixed into a trapezoid shape by an inclined tee joint fixing piece (608), is fixed to the medicine box by a medicine box fixing piece (609), is fixed below the machine body and the machine body parameter adjusting device (7) by a foot rest fixing piece (610), and the bracket tube (605) is arranged on the bedplate (607) by a fixing seat (606); the telescopic arm (703) in the fuselage and fuselage parameter adjusting device (7) consists of a hollow shaft (708) and a solid shaft (709), and the solid shaft (709) can move freely; threaded holes are formed in the hollow shaft (708), and after the length is adjusted, a jackscrew can be used for fixing the position of the solid shaft (709).
2. The unmanned aerial vehicle electrostatic spray test platform of claim 1, wherein: 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 wheel (106) and a sliding block (107), so that the test platform is turned and moved; the four vertexes of the universal wheel (106) at the bottom of the base (105) are connected with the center through bolts; the supporting plate (101) is positioned above the lifting guide rail (102) and is fixed by bolts.
3. The unmanned aerial vehicle electrostatic spray test platform of claim 1, wherein: 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 seat (207) and a motor (208); the bearing seat (201), the guide rail (203), the movable sliding block (204), the motor seat (207) and the motor (208) are all fixed on the supporting plate (101) through bolts; the motor (208) is fixed by a motor seat (207); the screw rod (202) penetrates through a through hole of the bearing seat (201) and is connected with the motor (208) through a coupler (206); the screw nut (205) is positioned on the screw (202) and is connected with the movable slide block (204) through the fixed plate (3), and when the motor (208) rotates, the screw nut (205) can drive the movable slide block (204) and the fixed plate (3) to move on the guide rail (203).
4. The unmanned aerial vehicle electrostatic spray test platform of claim 1, wherein: the distance between the two side plates of the straight wheel fork (401) is required 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 is trapezoidal, and the upper part is semicircular; the distance between the fork ends of the shaft fork (405) needs to be larger than the diameter of the semicircular upper parts of the two side plates of the straight wheel fork (401).
5. The unmanned aerial vehicle electrostatic spray test platform of claim 1, wherein: the upper sliding block (502) is connected with the lower sliding block (506) through a connecting rod (504), the connecting rod (504) can rotate around an upper locating pin (503), the lower sliding block (506) is respectively connected with a T-shaped connecting rod (507) and the connecting rod (504) through a lower locating pin (508), the T-shaped connecting rod (507) can rotate around a middle locating pin (505), the upper sliding block (502) and the lower sliding block (506) can move along a linear guide rail (501), and a spray head (510) is connected with the T-shaped connecting rod (507) through a fixing flange (509).
6. The unmanned aerial vehicle electrostatic spray test platform of claim 1, wherein: the spraying assembly and the fixing 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 fixing 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 battery (602) is arranged above the water tank (603); the static electricity generator (601) is arranged on a battery (602); the water pump (604) is mounted on the groove part of the water tank (603).
7. The unmanned aerial vehicle electrostatic spray test platform of claim 1, wherein: the fuselage and fuselage parameter adjusting device (7) consists of a replaceable fuselage (701), a slotted plate (706), a jib fixing seat (702), a telescopic jib (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 grooved plate; the telescopic horn (703) is fixed on the slotted plate (706) through a horn fixing seat (702); the rotor motor (705) and the rotor (704) are installed on the rotor motor seat (707) through bolt connection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| 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 |
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| CN113978759A CN113978759A (en) | 2022-01-28 |
| CN113978759B true CN113978759B (en) | 2024-04-09 |
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| CN113978759B (en) * | 2021-11-04 | 2024-04-09 | 江苏大学 | Unmanned aerial vehicle static spray test platform |
| 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 |
| CN113978759A (en) | 2022-01-28 |
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