CN110654570A - Plant protection unmanned aerial vehicle medical kit and rock performance detection test bench - Google Patents
Plant protection unmanned aerial vehicle medical kit and rock performance detection test bench Download PDFInfo
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- CN110654570A CN110654570A CN201910985055.5A CN201910985055A CN110654570A CN 110654570 A CN110654570 A CN 110654570A CN 201910985055 A CN201910985055 A CN 201910985055A CN 110654570 A CN110654570 A CN 110654570A
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 238000001514 detection method Methods 0.000 title claims description 10
- 239000011435 rock Substances 0.000 title claims description 3
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 239000003814 drug Substances 0.000 claims description 51
- 210000000078 claw Anatomy 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000011056 performance test Methods 0.000 claims description 2
- 239000000575 pesticide Substances 0.000 abstract description 36
- 230000036544 posture Effects 0.000 abstract description 8
- 238000004088 simulation Methods 0.000 abstract description 5
- 230000001174 ascending effect Effects 0.000 abstract 1
- 230000005284 excitation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000013519 translation 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
- 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
- B64D1/18—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Aviation & Aerospace Engineering (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a test bed for detecting the shaking performance of a pesticide box of a plant protection unmanned aerial vehicle, which consists of a six-degree-of-freedom motion assembly, a pesticide box clamping assembly and a data acquisition assembly. It is characterized in that: (1) the designed six-degree-of-freedom motion assembly can excite the pesticide box of the plant protection unmanned aerial vehicle for testing to realize controlled shaking under a three-dimensional simulation working condition, so that the true simulation of various pesticide box postures under the three-dimensional and complex working conditions of the pesticide box of the plant protection unmanned aerial vehicle is realized; (2) the designed data acquisition assembly can acquire real-time data aiming at three-dimensional shaking postures of the pesticide box of the plant protection unmanned aerial vehicle for testing at various liquid levels (the liquid filling ratio is in an interval of 1/8-7/8) which are easy to shake violently; (3) the medical kit centre gripping subassembly that designs possesses the ascending adjustable function of level, vertical side in the aspect of the centre gripping station, can satisfy the centre gripping and the test demand of present most of different shapes, not equidimension plant protection unmanned aerial vehicle medical kit.
Description
Technical Field
The invention relates to a test bed for detecting the shaking performance of a pesticide box of a plant protection unmanned aerial vehicle, in particular to a test bed which can simulate various shaking postures of the pesticide box of the plant protection unmanned aerial vehicle under a three-dimensional working condition and acquire multi-sensor data, and belongs to the technical field of accurate agricultural aviation detection.
Background
Along with the rapid development of plant protection unmanned aerial vehicle technique and equipment, people have higher and higher requirements on the anti-shaking/anti-surge performance of the pesticide box of the plant protection unmanned aerial vehicle. Plant protection unmanned aerial vehicle often makes actions such as take-off, descending, scram, turn to, translation, rotatory and imitative ground flight around the point at the operation in-process, and the liquid medicine in the medical kit is if acutely rocking is carried out passively this moment, can undoubtedly produce very big influence to plant protection unmanned aerial vehicle's complete machine operation performance, including flight security, orbit accuracy nature, operation accuracy nature and power continuation of the journey etc.. In addition, along with the reduction of the liquid filling ratio of the medicine box in the operation process, the shaking can become more violent and obvious, even accidents such as crash can be caused in serious conditions, and the operation quality, the operation efficiency and the flight safety of the medicine box are greatly influenced. Therefore, in the design process of the pesticide box of the plant protection unmanned aerial vehicle, the pesticide box shaking performance detection device needs to be used for evaluating the shaking performance of the researched and developed plant protection unmanned aerial vehicle pesticide box.
In recent years, aiming at the phenomenon of shaking of a liquid filling tank, the Shandong agricultural university wears Shiqu, Zheng Dazhou and the like, and the liquid shaking interference force test bed under several horizontal excitations is established by taking the mechanical characteristics of a liquid filling system under external excitation as a research object. However, such box body shaking performance test bed can only apply horizontal shaking excitation in a two-dimensional space, can not apply multi-degree-of-freedom shaking excitation in a three-dimensional space, and can not simulate various medicine box postures of the plant protection unmanned aerial vehicle under three-dimensional and complex operation conditions, so that a test bed which can simulate various shaking postures of the medicine box of the plant protection unmanned aerial vehicle under the three-dimensional working conditions and can acquire multi-sensor data is urgently needed to be developed so as to make up the blank in the field.
Disclosure of Invention
The invention aims to provide a test bed which can simulate various shaking postures of a pesticide box of a plant protection unmanned aerial vehicle under a three-dimensional working condition and can carry out multi-sensor data acquisition on data such as real-time impact pressure of liquid on the vertical wall of the pesticide box, the inclination angle of the pesticide box, the liquid level of the pesticide box and the like.
The purpose of the invention is realized by the following technical scheme: a plant protection unmanned aerial vehicle pesticide box shaking performance detection test bed comprises a six-degree-of-freedom motion assembly, a pesticide box clamping assembly and a data acquisition assembly; the six-degree-of-freedom motion assembly comprises an upper platform, a ball cage coupler, electric cylinders, hooke hinges, a controller and a lower platform, wherein the upper platform is positioned right above the lower platform, the upper platform is connected with the upward end of each electric cylinder through the ball cage coupler, the downward end of each electric cylinder is connected with the lower platform through the hooke hinges, the controller is fixed on the lower platform, the controller can control each electric cylinder to realize telescopic motion, the lower platform is fixed on the ground, and the number of the ball cage couplers, the electric cylinders and the hooke hinges is 6; the medicine box clamping assembly comprises a connecting disc, a lower fastening bolt, a fixed cylinder, a lower die clamp, an upper fastening bolt, an upper die clamp, a spring pull rod and an extension spring, wherein the connecting disc is annular and is fixed at the center of an upper platform, 3 round holes are formed in the circumferential direction of the connecting disc at intervals of 120 degrees, the hole center of each round hole points to the central axis of the connecting disc, the fixed cylinder is fixed on each round hole, the fixed cylinder penetrates through the round holes, the central axis of the fixed cylinder points to the central axis of the connecting disc, a threaded hole is formed in the cylindrical surface of each fixed cylinder, the lower fastening bolt is in threaded connection with the threaded hole in the fixed cylinder, a lower adjusting pin, a lower supporting claw and a telescopic cylinder are arranged on the lower die clamp, the lower adjusting pin is positioned at the lower part of the lower die clamp and is in clearance fit with the fixed cylinder, a plurality of adjusting blind holes are formed in the cylindrical surface of, an extension spring is fixed at one end of the lower adjusting pin facing the central axis of the connecting disc, the other end of the extension spring is fixed with a spring pull rod, the spring pull rod is fixed on an upper platform of the six-degree-of-freedom motion assembly, the central axis of the lower supporting claw coincides with the central axis of the connecting disc, the lower supporting claw is positioned in the middle of the lower die clamp and is used for lifting the bottom of the pesticide box of the plant protection unmanned aerial vehicle for testing, the telescopic cylinder is positioned at the upper part of the lower die clamp, the cylindrical surface of the telescopic cylinder is provided with a threaded hole, the upper fastening bolt is in threaded connection with a threaded hole in the telescopic cylinder, an upper adjusting pin and an upper pressing claw are arranged on the upper die clamp, the upper adjusting pin is located at the lower part of the upper die clamp, the upper adjusting pin is in clearance fit with the telescopic cylinder, a plurality of adjusting blind holes are formed in the cylindrical surface of the upper adjusting pin, the upper fastening bolt fastens the upper die clamp by jacking the adjusting blind holes, and the upper pressing claw is located at the upper part of the upper die clamp and used for pressing the top of the plant protection unmanned aerial vehicle medicine box for testing; the data acquisition component comprises an angle sensor, a liquid level sensor, pressure sensor groups, a data acquisition card and an upper computer, the angle sensor is fixed on the outer wall surface of the pesticide box of the plant protection unmanned aerial vehicle for testing, the angle sensor is used for acquiring the inclination angle between the central axis and the horizontal plane of the pesticide box of the plant protection unmanned aerial vehicle in the vertical direction when the pesticide box shakes, the liquid level sensor is positioned at the bottom inside the pesticide box of the plant protection unmanned aerial vehicle for testing, the liquid level sensor is used for acquiring the liquid level position of liquid in the pesticide box of the plant protection unmanned aerial vehicle, a certain number of the pressure sensor groups are fixed on the inner wall surface of the pesticide box of the plant protection unmanned aerial vehicle for testing at equal angles along the horizontal circumferential direction, each pressure sensor group is formed by uniformly arranging a certain number of the pressure sensors along the vertical direction, the input end of the data acquisition card is connected with the angle sensor, the liquid level sensor and the pressure sensor group through data lines, the output end of the data acquisition card is connected with the upper computer through the data lines, and the data acquisition card and the upper computer are used for acquiring, transmitting and displaying data information acquired by all the sensors in real time.
Further, the angle sensors are tilt sensors, and the number of the angle sensors is 1.
Further, the liquid level sensors are drop-in liquid level sensors, and the number of the liquid level sensors is 1.
Furthermore, the number of the pressure sensor groups is 4, the number of the pressure sensors contained in each pressure sensor group is 3-5, and the pressure sensors are water pressure sensors.
Further, the vertical distance between the pressure sensor located at the top in the pressure sensor group and the water filling port of the medicine box accounts for 1/8 of the vertical height of the cavity in the medicine box of the plant protection unmanned aerial vehicle for testing, and the vertical distance between the pressure sensor located at the bottom in the pressure sensor group and the bottom of the medicine box accounts for 1/8 of the vertical height of the cavity in the medicine box of the plant protection unmanned aerial vehicle for testing.
The invention discloses a test bed for detecting the shaking performance of a pesticide box of a plant protection unmanned aerial vehicle, which comprises the following working processes: firstly, distributing and sticking all data acquisition assemblies inside and outside a pesticide box of the test plant protection unmanned aerial vehicle, and cutting and re-sticking the pesticide box of the test plant protection unmanned aerial vehicle when necessary for convenient distribution; secondly, installing and fixing the pesticide box of the test plant protection unmanned aerial vehicle with the sensors and the circuits on a test bed by means of the pesticide box clamping assembly, and injecting tap water with a certain liquid level to keep the pesticide box from loosening; then, starting the test bed, and carrying out program setting on a controller in the six-freedom-degree motion assembly according to a preset multi-freedom-degree excitation shaking scheme; and finally, starting the six-degree-of-freedom motion assembly, controlling each electric cylinder to realize telescopic motion with different amplitudes, so that the plant protection unmanned aerial vehicle medicine box for testing realizes controlled shaking under a three-dimensional simulation working condition, and acquiring data such as an inclination angle, a liquid level and pressure in real time for subsequent data analysis and performance evaluation on the shaking performance of the plant protection unmanned aerial vehicle medicine box for testing.
Compared with the prior art, the invention has the following advantages: (1) according to the test bed for detecting the medicine box shaking performance of the plant protection unmanned aerial vehicle, the designed six-degree-of-freedom motion assembly can stimulate the medicine box of the plant protection unmanned aerial vehicle for testing to realize controlled shaking under a three-dimensional simulation working condition, so that the true simulation of various medicine box postures under three-dimensional and complex working conditions of the medicine box of the plant protection unmanned aerial vehicle is realized; (2) according to the test bed for detecting the shaking performance of the pesticide box of the plant protection unmanned aerial vehicle, the designed data acquisition assembly can acquire real-time data aiming at the three-dimensional shaking postures of the pesticide box of the plant protection unmanned aerial vehicle under various liquid levels (the liquid filling ratio is in an interval of 1/8-7/8) which are easy to shake violently; (3) according to the test bed for detecting the medicine box shaking performance of the plant protection unmanned aerial vehicle, the designed medicine box clamping assembly has the functions of being adjustable in the horizontal and vertical directions in the aspect of a clamping station, and the clamping and testing requirements of the existing medicine boxes of most plant protection unmanned aerial vehicles in different shapes and sizes can be met.
Drawings
Fig. 1 is a schematic view of the overall structure and appearance of a test bed for detecting the shaking performance of a pesticide box of a plant protection unmanned aerial vehicle.
Fig. 2 is a schematic structural view of a medicine box clamping assembly and an upper platform of the plant protection unmanned aerial vehicle medicine box shaking performance detection test bed.
Fig. 3 is a schematic diagram of the arrangement of the data acquisition assembly of the test bed for detecting the swaying performance of the pesticide box of the plant protection unmanned aerial vehicle inside and outside the pesticide box (with the upper part cut away) of the plant protection unmanned aerial vehicle for testing.
In the figure: 1. the device comprises an upper platform 2, a ball cage coupler 3, an electric cylinder 4, a hooke hinge 5, a controller 6, a lower platform 7, a connecting disc 8, a lower fastening bolt 9, a fixed cylinder 10, a lower mold clamp 10.1, a lower adjusting pin 10.2, a lower supporting claw 10.3, a telescopic cylinder 11, an upper fastening bolt 12, an upper mold clamp 12.1, an upper adjusting pin 12.2, an upper pressing claw 13, a plant protection unmanned aerial vehicle medicine box 14, a spring pull rod 15, an extension spring 16, an angle sensor 17, a liquid level sensor 18, a pressure sensor group 19, a data acquisition card 20 and an upper computer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, 2 and 3, the invention provides a test bed for detecting the shaking performance of a medicine box of a plant protection unmanned aerial vehicle, which comprises a six-degree-of-freedom motion assembly, a medicine box clamping assembly and a data acquisition assembly.
Referring to fig. 1, the six-degree-of-freedom motion assembly comprises an upper platform 1, a ball cage coupler 2, electric cylinders 3, hooke hinges 4, a controller 5 and a lower platform 6, wherein the upper platform 1 is located right above the lower platform 6, the upper platform 1 is connected with one upward end of each electric cylinder 3 through the ball cage coupler 2, one downward end of each electric cylinder 3 is connected with the lower platform 6 through the hooke hinge 4, the controller 5 is fixed on the lower platform 6, the controller 5 can control each electric cylinder 3 to realize telescopic motion, the lower platform 6 is fixed on the ground, and the number of the ball cage coupler 2, the electric cylinders 3 and the hooke hinges 4 is 6.
Referring to fig. 1 and 2, the medicine chest clamping assembly includes a connecting disc 7, a lower fastening bolt 8, a fixed cylinder 9, a lower mold clamp 10, an upper fastening bolt 11, an upper mold clamp 12, a spring pull rod 14, and an extension spring 15, the connecting disc 7 is circular and fixed at the center of the upper platform 1, 3 circular holes are arranged at intervals of 120 ° in the circumferential direction of the connecting disc 7, the hole center of each circular hole points to the central axis of the connecting disc 7, a fixed cylinder 9 is fixed on each circular hole, the fixed cylinder 9 passes through the circular holes and the central axis of the fixed cylinder 9 points to the central axis of the connecting disc 7, a threaded hole is opened on the cylindrical surface of each fixed cylinder 9, the lower fastening bolt 8 is in threaded connection with the threaded hole on the fixed cylinder 9, a lower adjusting pin 10.1, a lower supporting claw 10.2 and a telescopic cylinder 10.3 are arranged on the lower mold clamp 10, the lower adjusting pin 10.1 is located at the lower portion of the lower mold clamp 10, the cylindrical surface of a lower adjusting pin 10.1 is provided with a plurality of adjusting blind holes, a lower fastening bolt 8 is used for fastening a lower mold clamp 10 by propping up the adjusting blind holes, one end of the lower adjusting pin 10.1 facing to the central axis of a connecting disc 7 is fixedly provided with an extension spring 15, the other end of the extension spring 15 is fixedly provided with a spring pull rod 14, the spring pull rod 14 is fixedly arranged on an upper platform 1 of a six-freedom-degree motion assembly, the central axis of the lower adjusting pin coincides with the central axis of the connecting disc 7, a lower supporting claw 10.2 is arranged in the middle of the lower mold clamp 10 and is used for supporting the bottom of a plant protection unmanned aerial vehicle medicine box 13 for testing, a telescopic cylinder 10.3 is arranged on the upper portion of the lower mold clamp 10, the cylindrical surface of the telescopic cylinder 10.3 is provided with a threaded hole, an upper adjusting bolt 11 is in threaded connection with the threaded hole on the telescopic cylinder 10.3, the upper mold clamp 12 is provided with an upper adjusting pin 12.1 and an upper pressing claw 12.2, the upper adjusting pin 12.1 is, go up and open on the regulation round pin 12.1 face of cylinder and have a plurality of regulation blind holes, go up fastening bolt 11 through the top tight regulation blind hole realizes the fastening to last mould holder 12, goes up the upper portion that presses claw 12.2 to be located last mould holder 12 for compress tightly the top of testing plant protection unmanned aerial vehicle medical kit 13.
Referring to fig. 3, the data acquisition assembly includes an angle sensor 16, a liquid level sensor 17, a pressure sensor group 18, a data acquisition card 19 and an upper computer 20, the angle sensor 16 is fixed on the outer wall surface of the medicine box 13 of the test plant protection unmanned aerial vehicle, the angle sensor 16 is used for acquiring the inclination angle between the central axis and the horizontal plane of the medicine box 13 of the plant protection unmanned aerial vehicle in the vertical direction when the medicine box 13 shakes, the angle sensor 16 is an inclination angle sensor with the number of 1, the liquid level sensor 17 is located at the bottom inside the medicine box 13 of the test plant protection unmanned aerial vehicle, the liquid level sensor 17 is used for acquiring the liquid level position of the liquid in the medicine box 13 of the plant protection unmanned aerial vehicle, the liquid level sensor 17 is a throw-in type liquid level sensor with the number of 1, 4 groups of the pressure sensor group 18 are fixed, each pressure sensor group 18 is formed by uniformly arranging 5 pressure sensors in the vertical direction, each pressure sensor is a water pressure sensor, each pressure sensor group 18 is used for collecting the water pressure of liquid at different liquid levels in the medicine box 13 of the plant protection unmanned aerial vehicle to the wall surface of the pressure sensor group, the vertical distance between the pressure sensor positioned at the top and the water filling port of the medicine box in the pressure sensor group 18 accounts for 1/8 of the vertical height of the inner cavity of the medicine box 13 of the plant protection unmanned aerial vehicle for test, the vertical distance between the pressure sensor positioned at the bottom and the bottom of the medicine box in the pressure sensor group 18 accounts for 1/8 of the vertical height of the inner cavity of the medicine box 13 of the plant protection unmanned aerial vehicle for test, the input end of the data acquisition card 19 is connected with the angle sensor 16, the liquid level sensor 17 and the pressure sensor group 18 through data, the data acquisition card 19 and the upper computer 20 are used for acquiring, transmitting and displaying data information acquired by all the sensors in real time.
Finally, it should be noted that: the foregoing embodiments are provided only for illustrating and describing the fundamental principles, main features and advantages of the present invention, and it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, and various modifications or equivalent substitutions may be made without departing from the spirit and scope of the present invention, which shall be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a plant protection unmanned aerial vehicle medical kit rocks performance test bench which characterized in that includes: the six-degree-of-freedom motion assembly, the medicine box clamping assembly and the data acquisition assembly are arranged in the box body; the six-degree-of-freedom motion assembly comprises an upper platform (1), a ball cage coupler (2), electric cylinders (3), hooke hinges (4), a controller (5) and a lower platform (6), wherein the upper platform (1) is positioned right above the lower platform (6), the upper platform (1) is connected with one upward end of each electric cylinder (3) through the ball cage coupler (2), one downward end of each electric cylinder (3) is connected with the lower platform (6) through the hooke hinge (4), the controller (5) is fixed on the lower platform (6), the controller (5) can control each electric cylinder (3) to realize telescopic motion, the lower platform (6) is fixed on the ground, and the number of the ball cage coupler (2), the electric cylinders (3) and the hooke hinges (4) is 6); the medicine box clamping assembly comprises a connecting disc (7), a lower fastening bolt (8), a fixed cylinder (9), a lower die clamp (10), an upper fastening bolt (11), an upper die clamp (12), a spring pull rod (14) and a tension spring (15), wherein the connecting disc (7) is in a circular ring shape and is fixed in the center of an upper platform (1), 3 round holes are arranged at intervals of 120 degrees in the circumferential direction of the connecting disc (7), the hole center of each round hole points to the central axis of the connecting disc (7), the fixed cylinder (9) is fixed on each round hole, the fixed cylinder (9) penetrates through the round holes, the central axis of the fixed cylinder (9) points to the central axis of the connecting disc (7), a threaded hole is formed in the cylindrical surface of each fixed cylinder (9), the lower fastening bolt (8) is in threaded connection with the threaded hole in the fixed cylinder (9), a lower adjusting pin (10.1), a lower supporting claw (10.2) and a telescopic cylinder (10.3) are arranged, the lower adjusting pin (10.1) is positioned at the lower part of the lower die clamp (10), the lower adjusting pin (10.1) is in clearance fit with the fixed cylinder (9), a plurality of adjusting blind holes are formed in the cylindrical surface of the lower adjusting pin (10.1), the lower fastening bolt (8) is used for fastening the lower die clamp (10) by jacking the adjusting blind holes, a tension spring (15) is fixed at one end, facing the central axis of the connecting disc (7), of the lower adjusting pin (10.1), the other end of the tension spring (15) is fixed with a spring pull rod (14), the spring pull rod (14) is fixed on an upper platform (1) of the six-freedom-degree motion assembly, the central axis of the spring pull rod is overlapped with the central axis of the connecting disc (7), the lower supporting claw (10.2) is positioned in the middle part of the lower die clamp (10) and used for supporting the bottom of the plant protection unmanned aerial vehicle medicine box (13) for testing, the telescopic cylinder (10.3) is positioned at the upper part of the lower die clamp (10), and a threaded, the upper fastening bolt (11) is in threaded connection with a threaded hole in the telescopic cylinder (10.3), an upper adjusting pin (12.1) and an upper pressing claw (12.2) are arranged on the upper die clamp (12), the upper adjusting pin (12.1) is located on the lower portion of the upper die clamp (12), the upper adjusting pin (12.1) is in clearance fit with the telescopic cylinder (10.3), a plurality of adjusting blind holes are formed in the cylindrical surface of the upper adjusting pin (12.1), the upper fastening bolt (11) is used for fastening the upper die clamp (12) by jacking the adjusting blind holes, and the upper pressing claw (12.2) is located on the upper portion of the upper die clamp (12) and used for pressing the top of the plant protection unmanned aerial vehicle medicine box (13) for testing; the data acquisition assembly comprises an angle sensor (16), a liquid level sensor (17), a pressure sensor group (18), a data acquisition card (19) and an upper computer (20), wherein the angle sensor (16) is fixed on the outer wall surface of the medicine box (13) of the test plant protection unmanned aerial vehicle, the angle sensor (16) is used for acquiring the inclination angle of the central axis and the horizontal plane of the medicine box (13) of the plant protection unmanned aerial vehicle in the vertical direction when the medicine box (13) of the plant protection unmanned aerial vehicle shakes, the liquid level sensor (17) is arranged at the bottom inside the medicine box (13) of the test plant protection unmanned aerial vehicle, the liquid level sensor (17) is used for acquiring the liquid level position of liquid in the medicine box (13) of the plant protection unmanned aerial vehicle, a certain number of the pressure sensor group (18) is fixed on the inner wall surface of the medicine box (13) of the test plant protection unmanned aerial, pressure sensor group (18) are used for gathering the water pressure of the liquid of different liquid levels to its wall in plant protection unmanned aerial vehicle medical kit (13), the input of data acquisition card (19) is connected with angle sensor (16), level sensor (17), pressure sensor group (18) through the data line, and the output of data acquisition card (19) is connected with host computer (20) through the data line, and data acquisition card (19) and host computer (20) are used for real-time collection, vary and show the data information that all sensors gathered.
2. The plant protection unmanned aerial vehicle medical kit shake performance detection test bench of claim 1, characterized in that: the angle sensors (16) are tilt sensors, the number of which is 1.
3. The plant protection unmanned aerial vehicle medical kit shake performance detection test bench of claim 1, characterized in that: the liquid level sensors (17) are drop-in type liquid level sensors, and the number of the liquid level sensors is 1.
4. The plant protection unmanned aerial vehicle medical kit shake performance detection test bench of claim 1, characterized in that: the number of the pressure sensor groups (18) is 4, the number of the pressure sensors contained in each pressure sensor group (18) is 3-5, and the pressure sensors are water pressure sensors.
5. The plant protection unmanned aerial vehicle medical kit shake performance detection test bench of claim 1, characterized in that: the vertical distance between the pressure sensor located at the top in the pressure sensor group (18) and the water filling port of the medicine box accounts for 1/8 of the vertical height of the inner cavity of the medicine box (13) of the plant protection unmanned aerial vehicle for testing, and the vertical distance between the pressure sensor located at the bottom in the pressure sensor group (18) and the bottom of the medicine box accounts for 1/8 of the vertical height of the inner cavity of the medicine box (13) of the plant protection unmanned aerial vehicle for testing.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866626A (en) * | 2021-11-17 | 2021-12-31 | 国网江苏省电力有限公司检修分公司 | Relay performance testing device for limit detection |
| CN117101045A (en) * | 2023-10-25 | 2023-11-24 | 山西成功通用航空股份有限公司 | Helicopter bucket |
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| CN113866626B (en) * | 2021-11-17 | 2023-12-05 | 国网江苏省电力有限公司检修分公司 | Relay performance inspection device for limit detection |
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| CN117101045B (en) * | 2023-10-25 | 2024-01-30 | 山西成功通用航空股份有限公司 | Helicopter bucket |
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