Angle adjusting device for airborne spraying device

Abstract

The utility model discloses an angle adjusting device for an airborne spraying device, which comprises a pesticide box, a spraying plate and an angle adjusting mechanism, the pesticide box is arranged below a wing, a liquid bin is arranged in the spraying plate, the pesticide box is communicated with the liquid bin through a hose, a plurality of atomizing nozzles are uniformly distributed on the spraying surface of the spraying plate, and the tail ends of the atomizing nozzles are communicated with the liquid bin; the back face of the spraying plate is connected with the bottom of the pesticide box through an angle adjusting mechanism, the angle adjusting mechanism can enable the angle of the spraying face of the spraying plate to be adjusted between the vertical downward direction and the horizontal outward direction, and in the rotating process of the spraying plate, the spraying plate is always located below the side, away from the machine body, of the pesticide box. The problem that the spraying width and the spraying distance of the two sides of a spraying device cannot be adjusted can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of airborne spraying, in particular to an angle adjustment device for an airborne spraying device. Background Art

[0002] At present, airborne spraying equipment mostly serves the fire-fighting or agricultural fields. It is usually designed with a medicine box installed at the bottom of the two wings of the fuselage. The medicine box is connected to a tubular or plate-shaped spray device. The liquid medicine in the medicine box is continuously pumped into the spray device through a pump body to implement spraying.

[0003] Because the aircraft follows a specific trajectory during spraying, the entire flight path is effectively sprayed. However, the sides of the aircraft cannot be effectively sprayed, and the width and distance of the spraying cannot be adjusted. Furthermore, the sprayed liquid may be contaminated by air currents and stain the side walls of the tank, posing a potential safety hazard in the long run. Utility Model Content

[0004] The purpose of the utility model is to provide an angle adjustment device for an airborne spraying device, which can solve the problem that the spraying device cannot adjust the width and distance of spraying on both sides.

[0005] The utility model is achieved through the following technical solutions:

[0006] An angle adjustment device for an airborne spraying device comprises a medicine box and a spray plate, wherein the medicine box is arranged under a wing, a liquid tank is provided in the spray plate, the medicine box is connected to the liquid tank via a hose, a plurality of atomizing nozzles are evenly distributed on the spray surface of the spray plate, and the tail ends of the atomizing nozzles are connected to the liquid tank; an angle adjustment mechanism is provided, wherein the back side of the spray plate is connected to the bottom of the medicine box via the angle adjustment mechanism, and the angle adjustment mechanism can adjust the angle of the spray surface of the spray plate between vertically downward and horizontally outward. During the rotation of the spray plate, the spray plate is always located below the side of the medicine box away from the fuselage.

[0007] Optionally, the angle adjustment mechanism includes an active plate and a driven plate, the active plate and the driven plate are arranged parallel to each other, and the plane on which they are located is arranged parallel to the width direction of the fuselage; the active plate is hinged with a base, a first connecting rod and a second connecting rod, and the three hinge points are arranged in a triangle; the base is provided at the bottom of the medicine box; the free ends of the first connecting rod and the second connecting rod are respectively hinged to the driven plate; the driven plate is provided on the back of the spray plate; the middle part of the first connecting rod is hinged to the base through a connecting rod group; the active plate is provided with a push-pull assembly, and the push-pull assembly is used to make the active plate rotate about the hinge axis with the base.

[0008] Optionally, the connecting rod group includes a third connecting rod and a fourth connecting rod, one end of the third connecting rod is fixedly connected to the middle part of the first connecting rod, and the third connecting rod is arranged perpendicular to the first connecting rod; one end of the fourth connecting rod is hinged to the third connecting rod, and the other end is hinged to the base.

[0009] Optionally, a reinforcing angle plate is provided at the connection between the third link and the first link, and the reinforcing angle plate is a triangular plate, the first corner of the reinforcing angle plate is connected to the third link, and the sides where the second and third corners are located are connected parallel to the middle of the first link.

[0010] Optionally, the base includes a vertical portion and a horizontal portion connected in an L-shape, and the side of the horizontal portion away from the vertical portion is connected to the bottom of the medicine box; the active plate is hinged to one end of the vertical portion away from the horizontal portion; and one end of the fourth connecting rod away from the third connecting rod is hinged to one end of the horizontal portion away from the vertical portion.

[0011] Optionally, the active plate and the driven plate are both triangular plates; the first corner of the active plate is hinged to the vertical part; the second corner of the active plate is hinged to the first connecting rod; the third corner of the active plate is hinged to the second connecting rod; the first corner of the driven plate is hinged to the first connecting rod; the second corner of the driven plate is hinged to the second connecting rod; the edge of the line connecting the third and second corners of the driven plate is vertically connected to the back side of the spray plate.

[0012] Optionally, the push-pull assembly includes a hydraulic cylinder and a swivel seat, the swivel seat is arranged at the bottom of the medicine box and connected to the side of the vertical part away from the horizontal part, the hydraulic cylinder is arranged on the swivel seat so that the hydraulic cylinder can rotate in the plane where the active plate is located, and the push rod of the hydraulic cylinder is hinged to the second angle axis of the active plate.

[0013] Optionally, the spray plate is in the shape of a rectangular plate extending along the length direction of the fuselage; and the driven plate is vertically connected to the middle part of the back side of the spray plate.

[0014] Optionally, an extension plate is provided perpendicularly to the side where the line connecting the third and second corners of the driven plate is located, and the extension plate is integrally formed with the driven plate; the extension plate is attached to the back of the spray plate and connected by multiple bolts.

[0015] Optionally, a plurality of reinforcing rib plates are vertically connected between the driven plate and the extension plate.

[0016] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0017] The utility model provides an angle adjustment device for an airborne spraying device, which enables the device to carry out spraying operations by arranging a medicine box and a spray plate, and provides a structural basis for the adjustable angle of the spray plate by arranging a hose to connect the spray plate and the medicine box via the hose; by arranging an angle adjustment mechanism, the spray surface of the spray plate can be adjusted in angle between vertical downward and horizontal outward directions, and as the spray plate gradually rotates from vertical downward to horizontal outward, the lateral spraying distance of the spray plate will gradually increase, and since the spray plate gradually rotates from horizontal to vertical, the horizontal water pressure component of the water mist sprayed by the atomizing nozzle also gradually increases, so that the width of the sprayed water mist can also gradually increase; by arranging the spray plate to always be located below the side of the medicine box away from the fuselage, the sprayed water mist is prevented from being away from the side wall of the medicine box, thereby preventing the medicine liquid from being contaminated by the side wall of the medicine box; through the mutual cooperation of the above-mentioned features, the angle adjustment device for the airborne spraying device can effectively solve the problem that the spraying device cannot adjust the width and distance of spraying on both sides. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings described herein are used to provide a further understanding of the embodiments of the present invention, constitute a part of this application, and do not constitute a limitation of the embodiments of the present invention. In the accompanying drawings:

[0019] Figure 1 A first schematic diagram of an angle adjustment device for an airborne spraying device provided by an embodiment of the present utility model;

[0020] Figure 2 A second schematic diagram of an angle adjustment device for an airborne spraying device provided by an embodiment of the present utility model;

[0021] Figure 3 A schematic diagram of an angle adjustment mechanism of an angle adjustment device for an airborne spraying device provided in an embodiment of the present utility model;

[0022] Figure 4 A schematic diagram of the back side of a spray plate of an angle adjustment device for an airborne spraying device provided in an embodiment of the present invention;

[0023] Figure 5 A schematic diagram of the spray surface of a spray plate of an angle adjustment device for an airborne spraying device provided in an embodiment of the present utility model.

[0024] Markings and corresponding parts names in the accompanying drawings:

[0025] 10-medicine box; 11-base; 111-vertical part; 112-horizontal part; 12-hose; 20-spray plate; 21-atomizing nozzle; 30-active plate; 31-driven plate; 311-extension plate; 312-reinforcement plate; 32-first connecting rod; 33-second connecting rod; 34-third connecting rod; 341-reinforcement angle plate; 35-fourth connecting rod; 40-hydraulic cylinder; 41-swivel seat. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The schematic implementation methods of the present invention and their descriptions are only used to explain the present invention and are not intended to limit the present invention.

[0027] Example

[0028] Please refer to Figures 1 to 5 , this embodiment provides an angle adjustment device for an airborne spraying device, comprising a medicine box 10 and a spray plate 20, wherein the medicine box 10 is arranged under the wing, and a liquid tank is opened in the spray plate 20, and the medicine box 10 is connected to the liquid tank through a hose 12, and a plurality of atomizing nozzles 21 are evenly distributed on the spraying surface of the spray plate 20, and the tail end of the atomizing nozzle 21 is connected to the liquid tank; the second embodiment comprises an angle adjustment mechanism, and the back side of the spray plate 20 is connected to the bottom of the medicine box 10 through the angle adjustment mechanism, and the angle adjustment mechanism can adjust the angle of the spraying surface of the spray plate 20 between vertical downward and horizontal outward directions. During the rotation of the spray plate 20, the spray plate 20 is always located below the side of the medicine box 10 away from the fuselage.

[0029] The angle adjustment device for an airborne spraying device provided in this embodiment is configured to enable the device to perform a spraying operation by providing a medicine box 10 and a spray plate 20. A hose 12 is provided to connect the spray plate 20 to the medicine box 10, thereby providing a structural basis for the angle adjustment of the spray plate 20. The angle adjustment mechanism is configured to enable the spray surface of the spray plate 20 to be adjusted between a vertical downward direction and a horizontal outward direction. As the spray plate 20 gradually rotates from a vertical downward direction to a horizontal outward direction, the lateral spray distance of the spray plate 20 will gradually increase, and As the spray plate 20 gradually rotates from horizontal to vertical, the horizontal water pressure component of the water mist sprayed by the atomizing nozzle gradually increases, so the width of the sprayed water mist can also gradually increase; by arranging the spray plate 20 to always be located below the side of the medicine box 10 away from the fuselage, the sprayed water mist is prevented from being away from the side wall of the medicine box 10, thereby preventing the medicine liquid from being contaminated by the side wall of the medicine box 10; through the mutual cooperation of the above-mentioned features, the angle adjustment device for the airborne spraying device can effectively solve the problem that the spraying device cannot adjust the width and distance of the spraying on both sides.

[0030] In order to further explain the specific structure of the angle adjustment mechanism, the angle adjustment mechanism includes an active plate 30 and a driven plate 31, the active plate 30 is arranged parallel to the driven plate 31, and the plane on which they are located is arranged parallel to the width direction of the fuselage; the active plate 30 is hinged with a base 11, a first connecting rod 32 and a second connecting rod 33, and the three hinge points are arranged in a triangle; the base 11 is provided at the bottom of the medicine box 10; the free ends of the first connecting rod 32 and the second connecting rod 33 are respectively hinged to the driven plate 31; the driven plate 31 is provided on the back of the spray plate 20; the middle part of the first connecting rod 32 is hinged to the base 11 through a connecting rod group; the active plate 30 is provided with a push-pull assembly, which is used to rotate the active plate 30 about the hinge axis with the base 11.

[0031] Through the above-mentioned arrangement, the specific rotation of the active plate 30 can indirectly drive the driven member 31 to perform a specific rotation, and the first connecting rod 32 and the second connecting rod 33 are specifically connected to form a quadrilateral structure, so that the spray plate 20 is flipped relative to the base 11, so that the spray surface of the spray plate 20 can be adjusted in angle between the vertical downward and horizontal outward directions. By setting up a push-pull component, the active plate 30 is pushed and pulled to make it rotate in a directional manner, thereby controlling and adjusting the angle and direction of the spray plate 20; by setting up a connecting rod group, the stability of the triangular structure is used for structural support, so that the angle and direction of the spray plate 20 can be effectively maintained.

[0032] In order to further explain the specific structure of the connecting rod group, the connecting rod group includes a third connecting rod 34 and a fourth connecting rod 35. One end of the third connecting rod 34 is fixedly connected to the middle part of the first connecting rod 32, and the third connecting rod 34 is arranged perpendicular to the first connecting rod 32; one end of the fourth connecting rod 35 is hinged to the third connecting rod 34, and the other end is hinged to the base 11.

[0033] It should be noted that by calculating and adjusting the lengths of the first connecting rod 32, the second connecting rod 33, the third connecting rod 34 and the fourth connecting rod 35, as well as the sizes and angles of the active plate 30 and the driven plate 31, the deflection angle of the spray plate 20 can be adjusted. Other embodiments can be designed accordingly according to actual needs.

[0034] In order to strengthen the structural strength of the connection between the third link 34 and the first link 32, a reinforcing angle plate 341 is provided at the connection between the third link 34 and the first link 32. The reinforcing angle plate 341 is a triangular plate. The first corner of the reinforcing angle plate 341 is connected to the third link 34, and the sides where the second and third corners are located are connected parallel to the middle of the first link 32.

[0035] In order to further explain the specific structure of the base 11, the base 11 includes a vertical portion 111 and a horizontal portion 112 connected in an L-shape, and the side of the horizontal portion 112 away from the vertical portion 111 is connected to the bottom of the medicine box 10; the active plate 30 is hinged to one end of the vertical portion 111 away from the horizontal portion 112; the end of the fourth connecting rod 35 away from the third connecting rod 34 is hinged to one end of the horizontal portion 112 away from the vertical portion 111.

[0036] Through the above arrangement, when the push-pull mechanism returns, the base 11 can make way for and limit the end of the first connecting rod 32 .

[0037] In order to further explain the specific structure of the active plate 30 and the driven plate 31, the active plate 30 and the driven plate 31 are both triangular plates; the first corner of the active plate 30 is hinged to the vertical portion 111; the second corner of the active plate 30 is hinged to the first connecting rod 32; the third corner of the active plate 30 is hinged to the second connecting rod 33; the first corner of the driven plate 31 is hinged to the first connecting rod 32; the second corner of the driven plate 31 is hinged to the second connecting rod 33; the edge of the line connecting the third and second corners of the driven plate 31 is vertically connected to the back side of the spray plate 20.

[0038] In order to further explain the specific structure of the push-pull assembly, the push-pull assembly includes a hydraulic cylinder 40 and a swivel seat 41. The swivel seat 41 is provided at the bottom of the medicine box 10 and is connected to the side of the vertical portion 111 away from the horizontal portion 112. The hydraulic cylinder 40 is provided on the swivel seat 41 so that the hydraulic cylinder 40 can rotate in the plane where the active plate 30 is located. The push rod of the hydraulic cylinder 40 is hinged to the second angular axis of the active plate 30.

[0039] In order to effectively increase the spraying area, the spray plate 20 is in the shape of a rectangular plate extending along the length direction of the fuselage; the driven plate 31 is vertically connected to the middle of the back side of the spray plate 20.

[0040] It should be noted that the atomizing nozzles 21 are evenly distributed along the length and width directions of the spray plate 20, effectively increasing the spraying width when it is vertically set.

[0041] In order to improve the connection strength between the driven plate 31 and the spray plate 20, an extension plate 311 is vertically provided on the side where the line connecting the third corner and the second corner of the driven plate 31 is located. The extension plate 311 is integrally formed with the driven plate 31; the extension plate 311 is attached to the back side of the spray plate 20 and is connected by multiple bolts.

[0042] Preferably, a plurality of reinforcing ribs 312 are vertically connected between the driven plate 31 and the extension plate 311 .

[0043] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only a specific implementation method of the utility model and is not intended to limit the scope of protection of the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. An angle adjustment device for an airborne spraying device, characterized in that: include: A medicine box (10) and a spray plate (20), wherein the medicine box (10) is arranged below the wing, a liquid tank is provided in the spray plate (20), the medicine box (10) is connected to the liquid tank via a hose (12), a plurality of atomizing nozzles (21) are evenly distributed on the spraying surface of the spray plate (20), and the tail ends of the atomizing nozzles (21) are connected to the liquid tank; An angle adjustment mechanism, wherein the back side of the spray plate (20) is connected to the bottom of the medicine box (10) through the angle adjustment mechanism, and the angle adjustment mechanism can adjust the angle of the spray surface of the spray plate (20) between a vertical downward direction and a horizontal outward direction. During the rotation of the spray plate (20), the spray plate (20) is always located below the side of the medicine box (10) away from the fuselage.

2. The angle adjustment device for an airborne spraying device according to claim 1, characterized in that: The angle adjustment mechanism comprises an active plate (30) and a driven plate (31), wherein the active plate (30) and the driven plate (31) are arranged in parallel, and the plane on which they are located is arranged in parallel with the width direction of the fuselage; The active plate (30) is hinged with a base (11), a first connecting rod (32) and a second connecting rod (33), and the three hinge points are arranged in a triangle; The base (11) is arranged at the bottom of the medicine box (10); The free ends of the first connecting rod (32) and the second connecting rod (33) are respectively hinged to the driven plate (31); The driven plate (31) is arranged on the back side of the spray plate (20); The middle portion of the first connecting rod (32) is hinged to the base (11) through a connecting rod assembly; The active plate (30) is provided with a push-pull assembly, and the push-pull assembly is used to enable the active plate (30) to rotate around a hinge axis with the base (11).

3. The angle adjustment device for an airborne spraying device according to claim 2, characterized in that: The connecting rod group includes a third connecting rod (34) and a fourth connecting rod (35), one end of the third connecting rod (34) is fixedly connected to the middle part of the first connecting rod (32), and the third connecting rod (34) and the first connecting rod (32) are arranged vertically; one end of the fourth connecting rod (35) is hinged to the third connecting rod (34), and the other end is hinged to the base (11).

4. The angle adjustment device for an airborne spraying device according to claim 3, characterized in that: A reinforcing angle plate (341) is provided at the connection between the third connecting rod (34) and the first connecting rod (32). The reinforcing angle plate (341) is a triangular plate. The first corner of the reinforcing angle plate (341) is connected to the third connecting rod (34), and the sides where the second and third corners are located are connected in parallel to the middle of the first connecting rod (32).

5. The angle adjustment device for an airborne spraying device according to claim 4, characterized in that: The base (11) includes a vertical portion (111) and a horizontal portion (112) connected in an L-shape, wherein the side of the horizontal portion (112) away from the vertical portion (111) is connected to the bottom of the medicine box (10); the active plate (30) is hinged to one end of the vertical portion (111) away from the horizontal portion (112); and the end of the fourth connecting rod (35) away from the third connecting rod (34) is hinged to one end of the horizontal portion (112) away from the vertical portion (111).

6. The angle adjustment device for an airborne spraying device according to claim 5, characterized in that: The active plate (30) and the driven plate (31) are both triangular plates; The first corner of the active plate (30) is hinged to the vertical portion (111); The second corner of the active plate (30) is hinged to the first connecting rod (32); The third triangle of the active plate (30) is pivotally hinged with the second connecting rod (33); A first corner of the driven plate (31) is hinged to the first connecting rod (32); The second corner of the driven plate (31) is hinged to the second connecting rod (33); The side where the line connecting the third and second corners of the driven plate (31) is located is vertically connected to the back surface of the spray plate (20).

7. The angle adjustment device for an airborne spraying device according to claim 6, characterized in that: The push-pull assembly includes a hydraulic cylinder (40) and a rotating seat (41). The rotating seat (41) is arranged at the bottom of the medicine box (10) and is connected to the side of the vertical portion (111) away from the horizontal portion (112). The hydraulic cylinder (40) is arranged on the rotating seat (41) so that the hydraulic cylinder (40) can rotate in the plane where the active plate (30) is located. The push rod of the hydraulic cylinder (40) is hinged to the second angle axis of the active plate (30).

8. The angle adjustment device for an airborne spraying device according to claim 7, characterized in that: The spray plate (20) is in the shape of a rectangular plate extending along the length direction of the fuselage; The driven plate (31) is vertically connected to the middle portion of the back side of the spray plate (20).

9. The angle adjustment device for an airborne spraying device according to claim 8, characterized in that: An extension plate (311) is perpendicularly provided on the side where the line connecting the third and second corners of the driven plate (31) is located, and the extension plate (311) is integrally formed with the driven plate (31); The extension plate (311) is attached to the back surface of the spray plate (20) and connected via a plurality of bolts.

10. The angle adjustment device for an airborne spraying device according to claim 9, characterized in that: A plurality of reinforcing rib plates (312) are vertically connected between the driven plate (31) and the extension plate (311).

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