Unmanned aerial vehicle equipped with rapid fire extinguishing foam mixing device

Abstract

The invention belongs to the technical field of fire-fighting unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle equipped with a fire extinguishing foam rapid mixing device, the unmanned aerial vehicle comprises an unmanned aerial vehicle main body, the bottom of the unmanned aerial vehicle main body is fixedly connected with a mounting plate, the bottom surface of the mounting plate is provided with a mixing structure, and the mixing structure comprises a fixing plate; the center position of the bottom surface of the fixed plate is fixedly connected with a mixing tank; the spiral guide plate and the mixing holes can be used in cooperation, fire fighting water can move towards the mixed liquid outlet hole in the direction of the spiral guide plate after entering the mixing tank through the first connecting hole, and foam concentrated liquid can be conveyed into the mixing tank through the multiple mixing holes in the inner pipe after entering the inner pipe through the third connecting hole; therefore, the foam concentrated solution is quickly and fully mixed with the fire-fighting water in the fire-fighting water conveying process, the mixing uniformity of the foam concentrated solution and the fire-fighting water is improved, and the quality of the produced fire-fighting foam is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of fire-fighting unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle equipped with a fire-extinguishing foam rapid mixing device. BACKGROUND

[0002] A fire-fighting unmanned aerial vehicle is a kind of unmanned aerial vehicle specially designed for fire rescue, which can provide real-time information, monitoring and even direct participation in fire extinguishing work at the fire scene by carrying sensors, cameras, fire extinguishing devices and other equipment. The use of the fire-fighting unmanned aerial vehicle can greatly improve the fire extinguishing efficiency, especially in high-risk and difficult-to-access fire scenes. The fire-extinguishing foam mixing device is a kind of device for mixing fire-extinguishing foam concentrate and water in a certain proportion to generate fire-extinguishing foam. These foams can effectively cover the fire source and isolate oxygen, thereby extinguishing the fire. Foam fire extinguishing systems are commonly used in flammable and explosive environments such as petroleum, chemicals and aviation to deal with liquid fires. The use of the fire-extinguishing foam mixing device in combination with the unmanned aerial vehicle can quickly extinguish the fire. However, the fire-extinguishing foam mixing device on the fire-fighting unmanned aerial vehicle in the prior art usually only connects the foam concentrate pipeline and the fire water pipeline to mix them, which can easily cause uneven mixing of the foam concentrate and the fire water, affecting the quality of the fire-extinguishing foam output. To solve the above problems, the application provides an unmanned aerial vehicle equipped with a fire-extinguishing foam rapid mixing device. SUMMARY

[0003] To solve the problems in the background art, the application provides an unmanned aerial vehicle equipped with a fire-extinguishing foam rapid mixing device, which has the characteristic of more uniform mixing of foam concentrate and fire water.

[0004] To achieve the above purpose, the application provides the following technical scheme: an unmanned aerial vehicle equipped with a fire-extinguishing foam rapid mixing device, comprising an unmanned aerial vehicle main body, a mounting plate fixedly connected to the bottom of the unmanned aerial vehicle main body, and a mixing structure provided on the bottom surface of the mounting plate. The mixing structure comprises a fixed plate, a mixing tank fixedly connected to the center position of the bottom surface of the fixed plate, a first connecting hole provided on any side of the mixing tank, a second connecting hole provided on the side of the mixing tank away from the first connecting hole, an inner tube fixedly connected to the inner top surface of the mixing tank, a third connecting hole provided on the side of the inner tube close to the second connecting hole, a spiral guide plate fixedly connected to the outer wall of the inner tube, a plurality of groups of a plurality of mixing holes arranged in a ring shape provided on the inner tube, a bottom plate fixedly connected to the bottom surface of the mixing tank, and a mixed liquid outlet hole provided in the center position of the bottom plate.

[0005] Preferably, the unmanned aerial vehicle provided with the fire extinguishing foam rapid mixing device is characterized in that a fire-fighting water storage box is arranged on one side of the top surface of the fixed plate close to the first connecting hole, a concentrated liquid storage box is arranged on one side of the top surface of the fixed plate close to the second connecting hole, a fire-fighting water outlet is arranged at the bottom of the fire-fighting water storage box away from the concentrated liquid storage box, a fire-fighting water inlet is arranged at the top of the fire-fighting water storage box close to the fire-fighting water outlet, a concentrated liquid outlet is arranged at the bottom of the concentrated liquid storage box away from the fire-fighting water storage box, and a concentrated liquid inlet is arranged at the top of the concentrated liquid storage box close to the concentrated liquid outlet.

[0006] Preferably, the unmanned aerial vehicle provided with the fire extinguishing foam rapid mixing device is characterized in that second mounting holes are symmetrically arranged on the fixed plate, and U-shaped pipes are arranged in each second mounting hole; the top end of the U-shaped pipe close to the fire-fighting water storage box is connected with the fire-fighting water outlet, and the top end of the U-shaped pipe close to the concentrated liquid storage box is connected with the concentrated liquid outlet.

[0007] Preferably, the unmanned aerial vehicle provided with the fire extinguishing foam rapid mixing device is characterized in that a first liquid pump is arranged on the bottom surface of the fixed plate close to the fire-fighting water storage box, the bottom end of the U-shaped pipe close to the first liquid pump is connected with the first liquid pump, the first liquid pump is fixedly connected with a first connecting pipe on the side away from the U-shaped pipe, and one end of the first connecting pipe away from the first liquid pump is connected with the first connecting hole.

[0008] Preferably, the unmanned aerial vehicle provided with the fire extinguishing foam rapid mixing device is characterized in that a second liquid pump is arranged on the bottom surface of the fixed plate close to the concentrated liquid storage box, the bottom end of the U-shaped pipe close to the second liquid pump is connected with the second liquid pump, the second liquid pump is fixedly connected with a second connecting pipe on the side away from the U-shaped pipe, and one end of the second connecting pipe away from the second liquid pump passes through the second connecting hole and is connected with the third connecting hole.

[0009] Preferably, the unmanned aerial vehicle provided with the fire extinguishing foam rapid mixing device is characterized in that third mounting holes are arranged at four corners of the fixed plate, first mounting holes are arranged at four corners of the mounting plate, a connecting column is arranged in each third mounting hole, the top end of the connecting column passes through the first mounting hole close to the connecting column, the bottom end of the connecting column is fixedly connected with a positioning block, the top end of the connecting column is provided with an external thread, and a positioning nut is threadedly connected with the top end of the connecting column.

[0010] Preferably, the unmanned aerial vehicle provided with the fire extinguishing foam rapid mixing device is characterized in that a spraying structure is arranged at the bottom of the mixing tank. The spraying structure comprises symmetrically arranged side plates, which are fixedly connected to the bottom surface of the fixed plate, a connecting plate is arranged at the bottom position between the side plates, the connecting plate is fixedly connected to the adjacent side plates at both sides, a circular hole is formed at the center position of the connecting plate, a rotating ring is arranged in the circular hole, the rotating ring is rotatably connected to the connecting plate, a distribution box is arranged on the inner side of the rotating ring, a plurality of fixed rods are fixedly connected to the distribution box, the ends of the fixed rods away from the distribution box are fixedly connected to the inner wall of the rotating ring, a T-shaped pipe is fixedly connected to the bottom surface of the distribution box, mounting rods are symmetrically fixedly connected to the bottom surface of the rotating ring, a foam nozzle is mounted at the bottom end of each mounting rod, and the two ends of the T-shaped pipe are connected to the adjacent foam nozzles.

[0011] As the unmanned aerial vehicle provided with the quick mixing device of fire extinguishing foam, a rotating seat is fixedly connected to the top surface of the distribution box, a third connecting pipe is rotatably connected to the top of the rotating seat, the top end of the third connecting pipe is connected to the mixed liquid outlet hole, and the third connecting pipe is communicated with the distribution box.

[0012] As the unmanned aerial vehicle provided with the quick mixing device of fire extinguishing foam, an outer gear ring is fixedly connected to the top surface of the rotating ring, a gear is rotatably connected to the position close to the outer gear ring on the top surface of the connecting plate, and the gear is meshingly connected to the outer gear ring.

[0013] As the unmanned aerial vehicle provided with the quick mixing device of fire extinguishing foam, a motor mounting frame is fixedly connected to the side plate close to the gear, a driving motor is mounted on the bottom surface of the motor mounting frame, and the output shaft of the driving motor is fixedly connected to the gear.

[0014] Compared with the prior art, the application has the following advantages: the mixing structure is added to the application, the fire-fighting water moves along the direction of the spiral guide plate towards the mixed liquid outlet hole after entering the mixing tank through the first connecting hole, and the foam concentrate is transmitted to the mixing tank through the plurality of mixing holes on the inner pipe after entering the inner pipe through the third connecting hole, so that the foam concentrate is quickly and fully mixed with the fire-fighting water during the transmission of the fire-fighting water, the uniformity of the mixing of the foam concentrate and the fire-fighting water is improved, the quality of the produced fire extinguishing foam is improved, and the spraying structure is added, the gear is driven to rotate by starting the driving motor, the outer gear ring is driven to rotate when the gear rotates, the rotating ring is driven to rotate by the outer gear ring, the two foam nozzles at the bottom of the rotating ring are continuously circularly moved, the distance of the fire extinguishing foam spraying is improved under the action of the centrifugal force, the fire extinguishing foam can cover a larger range, and the efficiency of the fire extinguishing of the fire-fighting unmanned aerial vehicle is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and are meant to explain the present application and are not intended to limit the application. In the drawings: Figure 1 is a structural schematic diagram of the present application; Figure 2 is a partial structural schematic diagram of the present application Figure 1 ; Figure 3 is a first partial structural schematic diagram of the present application Figure 2 ; Figure 4 is a partial structural schematic diagram of the present application Figure 3 ; Figure 5 is a sectional view of the present application Figure 4 ; Figure 6 is a second partial structural schematic diagram of the present application Figure 2 ; Figure 7 is a second perspective schematic diagram of the present application Figure 6 ; in the drawings: 1, unmanned aerial vehicle main body; 11, mounting plate; 12, first mounting hole; 2, mixed structure; 21, fixed plate; 22, mixing tank; 23, first connecting hole; 24, second connecting hole; 25, inner tube; 26, third connecting hole; 27, mixing hole; 28, spiral guide plate; 29, bottom plate; 210, mixed liquid outlet hole; 211, fire-fighting water storage box; 212, fire-fighting water inlet; 213, fire-fighting water outlet; 214, concentrated liquid storage box; 215, concentrated liquid inlet; 216, concentrated liquid outlet; 217, second mounting hole; 218, U-shaped tube; 219, first liquid pump; 220, first connecting tube; 221, second liquid pump; 222, second connecting tube; 223, third mounting hole; 224, connecting column; 225, positioning block; 226, positioning nut; 3, spraying structure; 31, side plate; 32, connecting plate; 33, circular hole; 34, rotating ring; 35, outer gear ring; 36, gear; 37, motor mounting frame; 38, driving motor; 39, distribution box; 310, fixing rod; 311, rotating seat; 312, third connecting tube; 313, T-shaped tube; 314, mounting rod; 315, foam nozzle. DETAILED DESCRIPTION

[0016] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of the present application.

[0017] Embodiment 1 As Figures 1 to 5 shown; In order to realize sufficient mixing of the foam concentrate and the fire-fighting water, the unmanned aerial vehicle provided with the fire-fighting foam rapid mixing device comprises an unmanned aerial vehicle body 1, and a mounting plate 11 is fixedly connected to the bottom of the unmanned aerial vehicle body 1, and a mixing structure 2 is arranged on the bottom surface of the mounting plate 11. The mixing structure 2 comprises a fixed plate 21, a mixing tank 22 is fixedly connected to the center position of the bottom surface of the fixed plate 21, a first connecting hole 23 is formed in any side of the mixing tank 22, a second connecting hole 24 is formed in the side of the mixing tank 22 away from the first connecting hole 23, an inner tube 25 is fixedly connected to the inner top surface of the mixing tank 22, a third connecting hole 26 is formed in the side of the inner tube 25 close to the second connecting hole 24, a spiral guide plate 28 is fixedly connected to the outer wall of the inner tube 25, a plurality of groups of mixing holes 27 are arranged in a ring shape on the inner tube 25, a bottom plate 29 is fixedly connected to the bottom surface of the mixing tank 22, and a mixed liquid outlet hole 210 is formed in the center position of the bottom plate 29.

[0018] In the embodiment: the first connecting hole 23 is used for inputting the fire-fighting water into the mixing tank 22, and the third connecting hole 26 is used for inputting the foam concentrate into the inner tube 25. After the fire-fighting water enters the mixing tank 22 through the first connecting hole 23, the fire-fighting water moves along the direction of the spiral guide plate 28 towards the mixed liquid outlet hole 210. After the foam concentrate enters the inner tube 25 through the third connecting hole 26, the foam concentrate is transmitted into the mixing tank 22 through the plurality of mixing holes 27 on the inner tube 25, so that the foam concentrate is rapidly and sufficiently mixed with the fire-fighting water in the process of transmission of the fire-fighting water, the uniformity of the mixing of the foam concentrate and the fire-fighting water is improved, and the quality of the produced fire-fighting foam is improved.

[0019] Further, As Figure 1 , Figure 2 and Figure 3 shown; In combination with the above content: In order to store and carry the foam concentrate and fire water, in an optional embodiment, a fire water storage box 211 is installed on the top surface of the fixed plate 21 near the side of the first connecting hole 23, and a concentrate storage box 214 is installed on the top surface of the fixed plate 21 near the side of the second connecting hole 24. The fire water storage box 211 is provided with a fire water outlet 213 at the bottom position away from the concentrate storage box 214, and the fire water storage box 211 is provided with a fire water inlet 212 at the top position near the fire water outlet 213. The concentrate storage box 214 is provided with a concentrate outlet 216 at the bottom position away from the fire water storage box 211, and the concentrate storage box 214 is provided with a concentrate inlet 215 at the top position near the concentrate outlet 216.

[0020] In this embodiment, the fire water storage box 211 is used to store fire water, and the fire water can be input into the fire water storage box 211 through the fire water inlet 212. The concentrate storage box 214 is used to store foam concentrate, and the foam concentrate can be input into the concentrate storage box 214 through the concentrate inlet 215, so that the unmanned aerial vehicle body 1 can carry the fire water and the foam concentrate.

[0021] Further, as shown in , Figure 2 , Figure 3 and Figure 4 ; In combination with the above: In order to transport and mix the foam concentrate and fire water, in an optional embodiment, the fixed plate 21 is symmetrically provided with a second mounting hole 217, and a U-shaped pipe 218 is installed in each second mounting hole 217. The top end of the U-shaped pipe 218 near the fire water storage box 211 is connected with the fire water outlet 213, and the top end of the U-shaped pipe 218 near the concentrate storage box 214 is connected with the concentrate outlet 216. A first liquid pump 219 is installed on the bottom surface of the fixed plate 21 near the fire water storage box 211, and the bottom end of the U-shaped pipe 218 near the first liquid pump 219 is connected with the first liquid pump 219. The first liquid pump 219 is fixedly connected with a first connecting pipe 220 on the side away from the U-shaped pipe 218, and the first connecting pipe 220 is connected with the first connecting hole 23 on the end away from the first liquid pump 219. A second liquid pump 221 is installed on the bottom surface of the fixed plate 21 near the concentrate storage box 214, and the bottom end of the U-shaped pipe 218 near the second liquid pump 221 is connected with the second liquid pump 221. The second liquid pump 221 is fixedly connected with a second connecting pipe 222 on the side away from the U-shaped pipe 218, and the second connecting pipe 222 is connected with the third connecting hole 26 on the end away from the second liquid pump 221.

[0022] In the embodiment, the fire-fighting water can be transmitted to the first connecting hole 23 through the fire-fighting water outlet 213 by starting the first liquid pump 219, and the foam concentrate can be transmitted to the third connecting hole 26 through the concentrate outlet 216 by starting the second liquid pump 221.

[0023] Further, As Figures 1 to 3 shown; In combination with the above content: In order to facilitate the installation of the mixing structure 2, in an optional embodiment, the fixing plate 21 is provided with a third mounting hole 223 at each of the four corners, the mounting plate 11 is provided with a first mounting hole 12 at each of the four corners, a connecting column 224 is arranged in each third mounting hole 223, the top end of each connecting column 224 penetrates through the first mounting hole 12 close to it, the bottom end of each connecting column 224 is fixedly connected with a positioning block 225, the top end of each connecting column 224 is provided with an external thread, and each connecting column 224 is threadedly connected with a positioning nut 226, and the positioning nut 226 is arranged on the top surface of the mounting plate 11.

[0024] In the embodiment, when the mixing structure 2 is installed, the mounting plate 11 on the unmanned aerial vehicle body 1 can be placed on the fire-fighting water storage box 211 first, then the connecting column 224 is arranged in each third mounting hole 223, and the top end of the connecting column 224 penetrates through the first mounting hole 12 close to it, and then the mounting plate 11 is fixed by using the positioning nut 226 at the top end of each connecting column 224, and the installation of the mixing structure 2 is completed, so that the worker can quickly install and disassemble the mixing structure 2, and facilitate the inspection and maintenance of the mixing structure 2.

[0025] Further, As Figure 1 , Figure 6 and Figure 7 shown; In combination with the above content: In order to improve the spraying range of the fire extinguishing foam, in an optional embodiment, the bottom of the mixing tank 22 is provided with a spraying structure 3. The spraying structure 3 comprises symmetrically arranged side plates 31 fixedly connected to the bottom surface of the fixed plate 21, a connecting plate 32 arranged at the bottom position between the side plates 31, the connecting plate 32 being fixedly connected to the side plates 31 on both sides, a circular hole 33 being arranged at the center position of the connecting plate 32, a rotating ring 34 being arranged in the circular hole 33, the rotating ring 34 being rotatably connected to the connecting plate 32, a distribution box 39 being arranged on the inner side of the rotating ring 34, a plurality of fixed rods 310 being fixedly connected to the distribution box 39, the fixed rods 310 being fixedly connected to the inner wall of the rotating ring 34 at the ends away from the distribution box 39, a T-shaped pipe 313 being fixedly connected to the bottom surface of the distribution box 39, mounting rods 314 being symmetrically fixedly connected to the bottom surface of the rotating ring 34, a foam nozzle 315 being arranged at the bottom end of each mounting rod 314, the two ends of the T-shaped pipe 313 being connected to the adjacent foam nozzles 315, an outer gear ring 35 being fixedly connected to the top surface of the rotating ring 34, a gear 36 being rotatably connected to the position of the connecting plate 32 close to the outer gear ring 35, the gear 36 being meshingly connected to the outer gear ring 35, a motor mounting frame 37 being fixedly connected to the side plate 31 close to the gear 36, a driving motor 38 being arranged on the bottom surface of the motor mounting frame 37, the output shaft of the driving motor 38 being fixedly connected to the gear 36.

[0026] In the embodiment, the driving motor 38 is started to drive the gear 36 to rotate, so that the gear 36 drives the outer gear ring 35 to rotate when rotating, the outer gear ring 35 drives the rotating ring 34 to rotate, and the two foam nozzles 315 at the bottom of the rotating ring 34 continuously perform circular motion, so that the distance of the fire extinguishing foam spraying is increased under the action of the centrifugal force, the fire extinguishing foam can cover a larger range, and the efficiency of the fire extinguishing unmanned aerial vehicle is improved.

[0027] Further, As shown in Figure 6 and Figure 7 ; In combination with the above content: In order to prevent the rotation of the distribution box 39 from affecting the transmission of the mixed liquid, a rotating seat 311 is fixedly connected to the top surface of the distribution box 39 in an optional embodiment, a third connecting pipe 312 is rotatably connected to the top of the rotating seat 311, the top end of the third connecting pipe 312 is connected to the mixed liquid outlet hole 210, and the third connecting pipe 312 communicates with the distribution box 39.

[0028] In the embodiment, the mixed liquid of the fire-fighting water and the foam concentrate liquid is transmitted to the distribution box 39 through the mixed liquid outlet hole 210 and is transmitted to the foam nozzles 315 on both sides through the distribution box 39.

[0029] The working principle and use process of the present application: when installing the mixed structure 2, the mounting plate 11 on the unmanned aerial vehicle body 1 can be placed on the fire water storage box 211 first, then the connecting column 224 is arranged in each third mounting hole 223, and the top end of the connecting column 224 passes through the first mounting hole 12 close to it, then the mounting plate 11 is fixed by using the positioning nut 226 at the top end of each connecting column 224, the installation of the mixed structure 2 is completed, so that the worker can quickly install and disassemble the mixed structure 2, and it is convenient to check and maintain the mixed structure 2, the fire water storage box 211 is used for storing fire water, and the fire water can be input into the fire water storage box 211 through the fire water inlet 212, the concentrated liquid storage box 214 is used for storing foam concentrate, and the foam concentrate can be input into the concentrated liquid storage box 214 through the concentrated liquid inlet 215, so that the unmanned aerial vehicle body 1 can carry the fire water and the foam concentrate, the mixed structure 2 can be carried and moved to the position where the fire extinguishing is needed by using the unmanned aerial vehicle body 1, then the fire water can be transmitted to the first connecting hole 23 through the fire water outlet 213 by starting the first liquid pump 219, the foam concentrate can be transmitted to the third connecting hole 26 through the concentrated liquid outlet 216 by starting the second liquid pump 221, after the fire water enters the mixing tank 22 through the first connecting hole 23, it moves along the direction of the spiral guide plate 28 to the mixed liquid outlet hole 210, and after the foam concentrate enters the inner tube 25 through the third connecting hole 26, it is transmitted into the mixing tank 22 through the plurality of mixing holes 27 on the inner tube 25, so that the foam concentrate is quickly and fully mixed with the fire water during the transmission of the fire water, the uniformity of the mixing of the foam concentrate and the fire water is improved, the quality of the produced fire extinguishing foam is improved, the mixed liquid of the fire water and the foam concentrate is transmitted into the liquid distribution box 39 through the mixed liquid outlet hole 210, and is transmitted into the foam nozzles 315 on both sides through the T-shaped pipe 313 at the bottom of the liquid distribution box 39, the gear 36 is driven to rotate by starting the driving motor 38, the outer ring gear 35 is driven to rotate when the gear 36 rotates, the rotating ring 34 is driven to rotate by the outer ring gear 35, the two foam nozzles 315 at the bottom of the rotating ring 34 continuously perform the circular motion, so that the distance of the fire extinguishing foam spraying is improved under the action of the centrifugal force, the fire extinguishing foam can cover a larger range, and the efficiency of the fire extinguishing of the fire-fighting unmanned aerial vehicle is improved.

[0030] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A drone equipped with a quick mixing device of fire extinguishing foam, comprising a drone body (1), characterized in that: The bottom of the unmanned aerial vehicle body (1) is fixedly connected with a mounting plate (11), and the bottom surface of the mounting plate (11) is provided with a mixing structure (2); The mixing structure (2) comprises a fixed plate (21), the bottom surface of the fixed plate (21) is fixedly connected with a mixing tank (22), any side of the mixing tank (22) is provided with a first connecting hole (23), the side, away from the first connecting hole (23), of the mixing tank (22) is provided with a second connecting hole (24), the inner top surface of the mixing tank (22) is fixedly connected with an inner tube (25), the side, close to the second connecting hole (24), of the inner tube (25) is provided with a third connecting hole (26), the outer wall of the inner tube (25) is fixedly connected with a spiral guide plate (28), the inner tube (25) is provided with a plurality of groups of a plurality of mixing holes (27) arranged in a ring shape, and the bottom surface of the mixing tank (22) is fixedly connected with a bottom plate (29), and the center position of the bottom plate (29) is provided with a mixed liquid outlet hole (210).

2. The drone equipped with a fire extinguishing foam rapid mixing device according to claim 1, characterized in that: The top surface of the fixed plate (21) is provided, on the side close to the first connecting hole (23), with a fire-fighting water storage box (211), the top surface of the fixed plate (21) is provided, on the side close to the second connecting hole (24), with a concentrated liquid storage box (214), the bottom position of the side, away from the concentrated liquid storage box (214), of the fire-fighting water storage box (211) is provided with a fire-fighting water outlet (213), the top position of the side, close to the fire-fighting water outlet (213), of the fire-fighting water storage box (211) is provided with a fire-fighting water inlet (212), the bottom position of the side, away from the fire-fighting water storage box (211), of the concentrated liquid storage box (214) is provided with a concentrated liquid outlet (216), and the top position of the side, close to the concentrated liquid outlet (216), of the concentrated liquid storage box (214) is provided with a concentrated liquid inlet (215).

3. The drone equipped with a fire extinguishing foam rapid mixing device according to claim 2, characterized in that: The fixed plate (21) is symmetrically provided with a second mounting hole (217), and each second mounting hole (217) is provided with a U-shaped tube (218), the top end of the U-shaped tube (218), close to the fire-fighting water storage box (211), is connected with the fire-fighting water outlet (213), and the top end of the U-shaped tube (218), close to the concentrated liquid storage box (214), is connected with the concentrated liquid outlet (216).

4. The drone equipped with a fire extinguishing foam rapid mixing device according to claim 3, characterized in that: The bottom surface of the fixed plate (21) is provided, at a position close to the fire-fighting water storage box (211), with a first liquid pump (219), the bottom end of the U-shaped tube (218), close to the first liquid pump (219), is connected with the first liquid pump (219), one end of the first connecting pipe (220), away from the first liquid pump (219), is connected with the first connecting hole (23).

5. The drone equipped with a fire extinguishing foam rapid mixing device according to claim 4, characterized in that: The bottom surface of the fixed plate (21) is provided with a second liquid pump (221) near the concentrated liquid storage box (214), the bottom end of the U-shaped tube (218) near the second liquid pump (221) is connected with the second liquid pump (221), the side of the second liquid pump (221) away from the U-shaped tube (218) is fixedly connected with a second connecting pipe (222), and one end of the second connecting pipe (222) away from the second liquid pump (221) penetrates through the second connecting hole (24) and is connected with the third connecting hole (26).

6. The unmanned aerial vehicle equipped with a fire extinguishing foam rapid mixing device according to claim 1, characterized in that: The four corners of the fixed plate (21) are provided with third mounting holes (223), the four corners of the mounting plate (11) are provided with first mounting holes (12), each third mounting hole (223) is provided with a connecting column (224), the top end of the connecting column (224) penetrates through the adjacent first mounting hole (12), the bottom end of each connecting column (224) is fixedly connected with a positioning block (225), the top end of each connecting column (224) is provided with an external thread, and each connecting column (224) is screwed with a positioning nut (226), and the positioning nut (226) is arranged on the top surface of the mounting plate (11).

7. The drone equipped with a fire extinguishing foam rapid mixing device according to claim 5, characterized in that: The bottom of the mixing tank (22) is provided with a spraying structure (3); The spraying structure (3) comprises symmetrical side plates (31) fixedly connected to the bottom surface of the fixed plate (21), a connecting plate (32) arranged at the bottom position between the side plates (31), a circular hole (33) arranged at the center position of the connecting plate (32), a rotating ring (34) arranged in the circular hole (33), the rotating ring (34) being rotatably connected to the connecting plate (32), a distribution box (39) arranged on the inner side of the rotating ring (34), a plurality of fixed rods (310) fixedly connected to the distribution box (39), the fixed rods (310) being fixedly connected to the inner wall of the rotating ring (34) at the ends away from the distribution box (39), a T-shaped pipe (313) fixedly connected to the bottom surface of the distribution box (39), and mounting rods (314) fixedly connected to the bottom surface of the rotating ring (34), a foam nozzle (315) mounted at the bottom end of each mounting rod (314), and the two ends of the T-shaped pipe (313) being connected with the adjacent foam nozzles (315).

8. The drone equipped with a fire extinguishing foam rapid mixing device according to claim 7, characterized in that: A rotating seat (311) is fixedly connected to the top surface of the distribution box (39), a third connecting pipe (312) is rotatably connected to the top of the rotating seat (311), the top end of the third connecting pipe (312) is connected with the mixed liquid outlet hole (210), and the third connecting pipe (312) communicates with the distribution box (39).

9. The drone equipped with a fire extinguishing foam rapid mixing device according to claim 8, characterized in that: The top surface of the rotating ring (34) is fixedly connected with an outer gear ring (35), the top surface of the connecting plate (32) is rotatably connected with a gear (36) near the outer gear ring (35), and the gear (36) is in meshing connection with the outer gear ring (35).

10. The drone equipped with a fire extinguishing foam rapid mixing device according to claim 9, characterized in that: The side plate (31) near the gear (36) is fixedly connected with a motor mounting rack (37), and the bottom surface of the motor mounting rack (37) is provided with a driving motor (38), and the output shaft of the driving motor (38) is fixedly connected with the gear (36).

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