Folding frame of unmanned aerial vehicle

Abstract

The invention relates to the field of folding frame structures of unmanned aerial vehicles, in particular to a folding frame of an unmanned aerial vehicle, which comprises an unmanned aerial vehicle, four foot stools are fixedly mounted on the lower surface of the unmanned aerial vehicle, a connecting block is fixedly mounted on the outer surface of each foot stool, and long plates are fixedly mounted on the upper surfaces of the front two connecting blocks and the rear two connecting blocks respectively. Trapezoidal pieces are installed on the two sides of each long plate through distance adjusting mechanisms correspondingly, a square piece is installed on the outer side of each trapezoidal piece through a clamping mechanism, trapezoidal sliding pieces are installed on the inner side of each long plate through two sliding clamping mechanisms, and groove plates are installed on the inner sides of the four trapezoidal sliding pieces through extending mechanisms; according to the unmanned aerial vehicle, a common unmanned aerial vehicle is assembled on the spraying barrel, so that the unmanned aerial vehicle can be clamped on the pesticide barrel to automatically supplement pesticide, manual pesticide pouring is not needed, and splashing is avoided.

Description

Technical Field

[0001] The invention relates to the field of folding frame structures of unmanned aerial vehicles, and in particular to a folding frame of an unmanned aerial vehicle. Background Art

[0002] Drone, the full name of which is unmanned aerial vehicle, also known as unmanned robot, remote-controlled aircraft or unmanned machinery, is an unmanned robot that flies remotely or autonomously. Due to its unique flying ability and flexibility, drones have been widely used in agriculture, land surveying and mapping, power inspection, environmental monitoring, logistics distribution, film and television production, emergency rescue and many other fields.

[0003] Existing agricultural drones are expensive and large in size, and cannot freely shuttle through fruit forests to spray pesticides on treetops. Although ordinary drones can freely shuttle through fruit forests, they cannot carry and spray pesticides. Existing agricultural drones require manual dumping of pesticides, which is not only easy to spill but also wastes manpower.

[0004] Therefore, a folding frame of a UAV is designed to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a folding frame for a drone.

[0006] To achieve the above purpose, the technical solution adopted by the present invention is a folding frame of a drone, comprising a drone, wherein four tripods are fixedly installed on the lower surface of the drone, a connecting block is fixedly installed on the outer surface of each tripod, a long board is fixedly installed on the upper surface of the two front connecting blocks and the two rear connecting blocks, respectively, trapezoidal pieces are installed on both sides of each long board through a distance adjustment mechanism, a square piece is installed on the outer side of each trapezoidal piece through a clamping mechanism, a trapezoidal slide is installed on the inner side of each long board through two sliding mechanisms, a slot plate is installed on the inner side of the four trapezoidal slides through an extension mechanism, and a scraper is installed on one side of the slot plate through a scraper mechanism; A first inclined plate is fixedly mounted on the lower surface of the trapezoidal member, and a second inclined plate is fixedly mounted on the lower surface of the square member, so that the clamping range is increased by the first inclined plate and the second inclined plate.

[0007] Preferably, the distance adjustment mechanism includes a first telescopic cylinder fixedly mounted on both sides of each long board, a first guide cylinder fixedly mounted on both sides of each long board, a first guide rod movably mounted on the inner surface of the first guide cylinder, and the trapezoidal member fixedly mounted on the outside of the first telescopic cylinder and the first guide rod.

[0008] Preferably, the clamping mechanism includes an L-shaped connecting plate fixedly mounted on the upper surface of the trapezoidal member, a second telescopic cylinder is fixedly mounted on the inner surface of the L-shaped connecting plate, a second guide cylinder is fixedly mounted on the inner surface of the L-shaped connecting plate, a second guide rod is movably mounted on the inner surface of the second guide cylinder, and the square member is fixedly mounted on the inner side of the second telescopic cylinder and the second guide rod.

[0009] Preferably, the sliding mechanism includes two concave parts fixedly installed on the inner side of each long board, the inner surface of the concave part is provided with a spring groove, a spring is fixedly installed on the inner surface of the spring groove, a spring plate is fixedly installed on the other side of the spring, a trapezoidal spring part is fixedly installed on the other side of the spring plate, a trapezoidal sliding part is movably installed in the concave part, a trapezoidal groove is provided on the inner side of the trapezoidal sliding part, and the trapezoidal spring part is movably mounted on the inner surface of the trapezoidal groove.

[0010] Preferably, the extension mechanism includes a first fixed plate fixedly mounted on the rear surfaces of the two trapezoidal slides on the front side, and a slot plate fixedly mounted on the front surfaces of the two trapezoidal slides on the rear side, a sliding plate fixedly mounted on the rear surface of the first fixed plate, and the sliding plate movably mounted in the slot plate.

[0011] Preferably, the scraper mechanism includes an extension plate fixedly mounted on one side of the trough plate, a reinforcing rib is fixedly mounted between the extension plate and the trough plate, a third telescopic cylinder is fixedly mounted on the front surface of the extension plate, a third guide cylinder is fixedly mounted on the front surface of the extension plate, a third guide rod is movably mounted on the inner surface of the third guide cylinder, a connecting plate is fixedly mounted between the third guide rod and the front surface of the third telescopic cylinder, and the scraper ruler is fixedly mounted on the front surface of the connecting plate.

[0012] Preferably, a spray barrel is fixedly mounted on the lower surface of the trough plate, and the spray barrel is fixedly mounted on the lower surface of the first fixed plate, and a through opening is mounted on the upper surface of the spray barrel, and the through opening is mounted below the scraper.

[0013] Preferably, a filter screen is fixedly mounted on the upper surface of the through opening.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention can realize the assembly of a common drone with a spray barrel, so that the drone can be clamped on the pesticide barrel to replenish pesticides by itself, without the need for manual pouring of pesticides, thereby avoiding splashing.

[0015] The first inclined plate and the second inclined plate increase the clamping range, thereby avoiding the need for the drone to take off and land multiple times to adjust the clamping range.

[0016] The folding frame can be installed on drones of different models through the first fixing plate, the sliding plate, the groove plate and the trapezoidal sliding piece.

[0017] The filter screen is used to prevent fruit leaves that have fallen into the pesticide barrel from entering the spray barrel, and the scraper is used to clean the fruit leaves adsorbed on the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a folding frame of a drone of the present invention; Figure 2 This is a schematic diagram of the structure of a distance adjustment mechanism of a folding frame of a drone of the present invention; Figure 3 This is a schematic diagram of the structure of a clamping mechanism of a folding frame of a drone of the present invention; Figure 4 This is a schematic diagram of the extension mechanism structure of a folding frame of a drone of the present invention; Figure 5 This is a schematic diagram of the structure of a sliding card mechanism of a folding frame of a drone of the present invention; Figure 6 This is a schematic diagram of the structure of a scraper mechanism of a folding frame of a drone of the present invention; Figure 7 This is a schematic diagram of a scraper structure of a folding frame of a drone of the present invention; Figure 8 This is a schematic diagram of the spray barrel structure of a folding frame of a drone of the present invention; In the figure: 1. UAV; 2. tripod; 3. connecting block; 4. long board; 5. first telescopic cylinder; 6. first guide cylinder; 7. first guide rod; 8. trapezoidal member; 9. L-shaped connecting plate; 10. second telescopic cylinder; 11. second guide cylinder; 12. second guide rod; 13. first inclined plate; 14. second inclined plate; 15. concave member; 16. spring groove; 17. spring; 18. spring plate; 19. trapezoidal spring member; 20. trapezoidal sliding member; 21. trapezoidal groove; 22. first fixed plate; 23. slide plate; 24. groove plate; 25. extension plate; 26. third telescopic cylinder; 27. third guide cylinder; 28. third guide rod; 29. ​​reinforcing rib; 30. spray barrel; 31. through port; 32. filter screen; 33. connecting plate; 34. scraper; 35. square member. DETAILED DESCRIPTION

[0019] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0020] like Figure 1-Figure 8A folding frame of a drone shown in the figure comprises a drone 1, four tripods 2 are fixedly mounted on the lower surface of the drone 1, a connecting block 3 is fixedly mounted on the outer surface of each tripod 2, a long board 4 is fixedly mounted on the upper surface of the two front connecting blocks 3 and the two rear connecting blocks 3, trapezoidal pieces 8 are respectively mounted on both sides of each long board 4 through a distance adjustment mechanism, a square piece 35 is mounted on the outer side of each trapezoidal piece 8 through a clamping mechanism, a trapezoidal slide 20 is mounted on the inner side of each long board 4 through two sliding mechanisms, a groove plate 24 is mounted on the inner side of the four trapezoidal slides 20 through an extension mechanism, and a scraper 34 is mounted on one side of the groove plate 24 through a scraper mechanism; A first inclined plate 13 is fixedly mounted on the lower surface of the trapezoidal member 8, and a second inclined plate 14 is fixedly mounted on the lower surface of the square member 35. The first inclined plate 13 and the second inclined plate 14 increase the clamping range and avoid the drone 1 taking off and landing multiple times to adjust the clamping range.

[0021] The distance adjusting mechanism includes a first telescopic cylinder 5 fixedly installed on both sides of each long board 4, a first guide cylinder 6 fixedly installed on both sides of each long board 4, a first guide rod 7 movably installed on the inner surface of the first guide cylinder 6, and a trapezoidal member 8 fixedly installed on the outside of the first telescopic cylinder 5 and the first guide rod 7. The first telescopic cylinder 5 drives the trapezoidal member 8 to rise and fall to adjust the distance so that the trapezoidal member 8 is located at the inner wall of the pesticide barrel, and the first guide cylinder 6 and the first guide rod 7 limit the range of motion of the first telescopic cylinder 5.

[0022] The clamping mechanism includes an L-shaped connecting plate 9 fixedly mounted on the upper surface of the trapezoidal member 8, a second telescopic cylinder 10 fixedly mounted on the inner surface of the L-shaped connecting plate 9, a second guide cylinder 11 fixedly mounted on the inner surface of the L-shaped connecting plate 9, a second guide rod 12 movably mounted on the inner surface of the second guide cylinder 11, and a square member 35 fixedly mounted on the inner side of the second telescopic cylinder 10 and the second guide rod 12. The square member 35 is driven to rise and fall by the second telescopic cylinder 10, so that the square member 35 is located at the outer wall of the pesticide barrel. After contraction, it cooperates with the trapezoidal member 8 to be clamped on the pesticide barrel, and the movable range of the second telescopic cylinder 10 is limited by the second guide cylinder 11 and the second guide rod 12.

[0023] The sliding mechanism includes two concave parts 15 fixedly installed on the inner side of each long board 4, the inner surface of the concave part 15 is provided with a spring groove 16, the inner surface of the spring groove 16 is fixedly installed with a spring 17, the other side of the spring 17 is fixedly installed with a spring plate 18, the other side of the spring plate 18 is fixedly installed with a trapezoidal spring part 19, a trapezoidal sliding part 20 is movably installed in the concave part 15, a trapezoidal groove 21 is provided on the inner side of the trapezoidal sliding part 20, and the trapezoidal spring part 19 is movably mounted on the inner surface of the trapezoidal groove 21, so that the trapezoidal sliding part 20 moved into the concave part 15 can be mounted on the inner side of the long board 4 through the trapezoidal spring part 19, thereby being movably connected.

[0024] The extension mechanism includes a first fixed plate 22 fixedly mounted on the rear surfaces of the two trapezoidal slides 20 on the front side, and a slot plate 24 fixedly mounted on the front surfaces of the two trapezoidal slides 20 on the rear side. A slide plate 23 is fixedly mounted on the rear surface of the first fixed plate 22, and the slide plate 23 is movably mounted in the slot plate 24. The slide plate 23 is pulled out and adjusted so that the lengths of the first fixed plate 22, the slide plate 23 and the slot plate 24 are equal to the current spacing between the two long plates 4. The first fixed plate 22, the slide plate 23 and the slot plate 24 are movably mounted in the two long plates 4 through the trapezoidal slides 20 fixed on the first fixed plate 22 and the slot plate 24.

[0025] The scraper mechanism includes an extension plate 25 fixedly installed on one side of the groove plate 24, a reinforcing rib 29 fixedly installed between the extension plate 25 and the groove plate 24, a third telescopic cylinder 26 fixedly installed on the front surface of the extension plate 25, a third guide cylinder 27 fixedly installed on the front surface of the extension plate 25, a third guide rod 28 movably installed on the inner surface of the third guide cylinder 27, a connecting plate 33 fixedly installed between the third guide rod 28 and the front surface of the third telescopic cylinder 26, and a scraper ruler 34 fixedly installed on the front surface of the connecting plate 33, the scraper ruler 34 is driven by the third telescopic cylinder 26 to move for cleaning, and the movable range of the third telescopic cylinder 26 is limited by the third guide cylinder 27 and the third guide rod 28.

[0026] A spray barrel 30 is fixedly mounted on the lower surface of the groove plate 24, and the spray barrel 30 is fixedly mounted on the lower surface of the first fixed plate 22. A through opening 31 is installed on the upper surface of the spray barrel 30, and the through opening 31 is installed below the scraper 34. The spray barrel 30 is fixedly mounted on the first fixed plate 22, the slide plate 23 and the lower surface of the groove plate 24 adjusted according to the current size of the drone 1, so that the spray barrel 30 is evenly stressed.

[0027] A filter screen 32 is fixedly installed on the upper surface of the opening 31 , and the filter screen 32 prevents fruit leaves that have fallen into the pesticide barrel from entering the spray barrel 30 , and the scraper 34 cleans the fruit leaves adsorbed on the filter screen 32 .

[0028] During use, the connecting block 3 is fixedly installed on the tripod 2, and then the long board 4 is fixedly installed on the tripod 2. The first fixed plate 22, the slide plate 23 and the slot plate 24 are adjusted to the current size between the tripods 2 through the slide plate 23. Then, the first fixed plate 22, the slide plate 23 and the slot plate 24 are movably installed in the concave parts 15 of the two long boards 4 through the trapezoidal slide 20. The spray barrel 30 is fixedly installed under the first fixed plate 22 and the slot plate 24, thereby completing the installation operation, controlling the drone 1 to fly above the pesticide barrel, adjusting the first telescopic cylinder 5 to control the approximate position, so that the pesticide barrel wall is located between the trapezoidal part 8 and the square part 35. The first inclined plate 13 and the second inclined plate 14 increase the clamping range, and the drone 1 is prevented from taking off and landing multiple times to adjust the clamping range. After the drone 1 falls, the first telescopic cylinder 5 and the second telescopic cylinder 10 drive the trapezoidal member 8 and the square member 35 to shrink toward the wall of the pesticide barrel, so that the drone 1 is clamped on the wall of the pesticide barrel. The pesticide flows into the spray barrel 30 immersed in the pesticide barrel through the opening 31, and the fruit tree leaves that fall into the pesticide barrel are prevented from entering the spray barrel 30 through the filter 32. The fruit tree leaves adsorbed on the filter 32 are cleaned by the scraper 34. After the spray barrel 30 is filled with pesticides, the drone 1 flies to the top of the fruit tree to spray the pesticides.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above implementation cases. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention to be protected. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A folding frame for a drone, comprising a drone (1), characterized in that: The lower surface of the drone (1) is fixedly mounted with four tripods (2), the outer surface of each tripod (2) is fixedly mounted with a connection block (3), the upper surfaces of the two front connection blocks (3) and the two rear connection blocks (3) are respectively fixedly mounted with a long board (4), both sides of each long board (4) are respectively mounted with a trapezoidal member (8) via a distance adjustment mechanism, the outer side of each trapezoidal member (8) is mounted with a square member (35) via a clamping mechanism, the inner side of each long board (4) is mounted with a trapezoidal slide (20) via two sliding mechanisms, the inner sides of the four trapezoidal slides (20) are mounted with a slot plate (24) via an extension mechanism, and one side of the slot plate (24) is mounted with a scraper ruler (34) via a scraper mechanism; A first inclined plate (13) is fixedly mounted on the lower surface of the trapezoidal member (8), and a second inclined plate (14) is fixedly mounted on the lower surface of the square member (35), so that the clamping range is increased by the first inclined plate (13) and the second inclined plate (14).

2. The folding frame of a drone according to claim 1, characterized in that: The distance adjustment mechanism comprises a first telescopic cylinder (5) fixedly mounted on both sides of each long board (4), a first guide cylinder (6) fixedly mounted on both sides of each long board (4), a first guide rod (7) movably mounted on the inner surface of the first guide cylinder (6), and the trapezoidal member (8) fixedly mounted on the outside of the first telescopic cylinder (5) and the first guide rod (7).

3. The folding frame of a drone according to claim 1, characterized in that: The clamping mechanism comprises an L-shaped connecting plate (9) fixedly mounted on the upper surface of the trapezoidal member (8), a second telescopic cylinder (10) fixedly mounted on the inner surface of the L-shaped connecting plate (9), a second guide cylinder (11) fixedly mounted on the inner surface of the L-shaped connecting plate (9), a second guide rod (12) movably mounted on the inner surface of the second guide cylinder (11), and the square member (35) fixedly mounted on the inner side of the second telescopic cylinder (10) and the second guide rod (12).

4. The folding frame of a drone according to claim 1, characterized in that: The sliding mechanism comprises two concave members (15) fixedly mounted on the inner side of each long plate (4); an elastic groove (16) is formed on the inner surface of the concave member (15); a spring (17) is fixedly mounted on the inner surface of the elastic groove (16); a spring plate (18) is fixedly mounted on the other side of the spring (17); a trapezoidal elastic member (19) is fixedly mounted on the other side of the spring plate (18); a trapezoidal sliding member (20) is movably mounted in the concave member (15); a trapezoidal groove (21) is formed on the inner side of the trapezoidal sliding member (20); and the trapezoidal elastic member (19) is movably mounted on the inner surface of the trapezoidal groove (21).

5. The folding frame of a drone according to claim 4, characterized in that: The extension mechanism comprises a first fixed plate (22) fixedly mounted on the rear surfaces of two trapezoidal slides (20) on the front side, and a slot plate (24) fixedly mounted on the front surfaces of two trapezoidal slides (20) on the rear side, a sliding plate (23) fixedly mounted on the rear surface of the first fixed plate (22), and the sliding plate (23) movably mounted in the slot plate (24).

6. The folding frame of a drone according to claim 5, characterized in that: The scraper mechanism comprises an extension plate (25) fixedly mounted on one side of the groove plate (24); a reinforcing rib (29) fixedly mounted between the extension plate (25) and the groove plate (24); a third telescopic cylinder (26) fixedly mounted on the front surface of the extension plate (25); a third guide cylinder (27) fixedly mounted on the front surface of the extension plate (25); a third guide rod (28) movably mounted on the inner surface of the third guide cylinder (27); a connecting plate (33) fixedly mounted between the third guide rod (28) and the front surface of the third telescopic cylinder (26); and the scraper ruler (34) fixedly mounted on the front surface of the connecting plate (33).

7. The folding frame of a drone according to claim 6, characterized in that: A spray barrel (30) is fixedly mounted on the lower surface of the trough plate (24), and the spray barrel (30) is fixedly mounted on the lower surface of the first fixed plate (22). A through opening (31) is mounted on the upper surface of the spray barrel (30), and the through opening (31) is mounted below the scraper (34).

8. The folding frame of a drone according to claim 7, characterized in that: A filter screen (32) is fixedly mounted on the upper surface of the through opening (31).

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