Fire extinguishing unmanned aerial vehicle for fire fighting

Abstract

The invention discloses a fire extinguishing unmanned aerial vehicle for fire fighting, and relates to the technical field of fire extinguishing unmanned aerial vehicles, the fire extinguishing unmanned aerial vehicle comprises a flight assembly, the outer surface of the flight assembly is fixedly connected with a connecting frame, the lower surface of the connecting frame is fixedly connected with a connecting mechanism, and the connecting mechanism comprises a first supporting frame; the first supporting frame is fixedly connected to the lower surface of the connecting frame, a second supporting frame is arranged under the first supporting frame, a limiting sleeve is fixedly connected to the lower surface of the second supporting frame, and a semicircular ring is slidably connected to an inner cavity of the limiting sleeve; the lower surface of the semicircular ring is fixedly connected with a water absorption mechanism, the water absorption mechanism comprises a transfer pipe, and the transfer pipe is fixedly connected to the lower surface of the semicircular ring; a water storage mechanism penetrates through the lower surface of the transfer pipe, the water storage mechanism comprises a connecting pipe, the connecting pipe penetrates through the lower surface of the transfer pipe, and the effect of conveniently pouring water in the lake into the inner cavity of the device is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of fire-fighting drones, in particular to a fire-fighting drone for firefighting. Background Art

[0002] Firefighting drones are playing an increasingly important role in the field of modern firefighting. Firefighting drones are usually composed of fuselage, flight control system, fire extinguishing device and monitoring equipment. It uses advanced flight technology to quickly reach the fire scene, especially those areas that are difficult for traditional firefighting equipment to enter, such as high-rise buildings, mountainous areas, narrow alleys, etc. Firefighting drones are equipped with a variety of firefighting devices, the most common of which are dry powder fire extinguishing bombs and fire extinguishing liquid injection devices. When a fire occurs, it can accurately deliver fire extinguishing materials to the source of the fire and quickly control the fire. Through the high-definition cameras and sensors on board, operators can monitor the situation at the fire scene in real time and provide accurate information for command and decision-making. Compared with traditional firefighting methods, firefighting drones have many advantages. It responds quickly and can intervene in the early stages of a fire to reduce the losses caused by the fire. At the same time, it reduces the dangers faced by firefighters and ensures their life safety. For example, in forest fires, firefighting drones can patrol large areas, find the source of the fire in time and extinguish the fire, effectively preventing the spread of the fire. In short, firefighting drones have brought new development opportunities to the firefighting industry with their high efficiency, flexibility and safety.

[0003] The firefighting equipment of drones will have insufficient continuous firefighting capabilities due to the inconvenience of water storage. The inconvenience of water storage may result in the limited amount of water carried by drones, making it impossible to carry out long-term continuous firefighting operations. When facing a large-scale fire, it may be necessary to frequently return to the base to replenish water, which not only increases the complexity of the operation, but also interrupts the firefighting process and reduces the efficiency of firefighting. Summary of the invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a fire-fighting drone for firefighting, including a flight component, the outer surface of the flight component is fixedly connected to a connecting frame, the lower surface of the connecting frame is fixedly connected to a connecting mechanism, the connecting mechanism includes a first support frame, the first support frame is fixedly connected to the lower surface of the connecting frame, a second support frame is arranged directly below the first support frame, the lower surface of the second support frame is fixedly connected to a limiting sleeve, a semicircular ring is slidably connected to the inner cavity of the limiting sleeve; the lower surface of the semicircular ring is fixedly connected to a water absorption mechanism, the water absorption mechanism includes a transfer pipe, the transfer pipe is fixedly connected to the lower surface of the semicircular ring; the lower surface of the transfer pipe is penetrated by a water storage mechanism, the water storage mechanism includes a connecting pipe, the connecting pipe penetrates the lower surface of the transfer pipe, the outer surface of the connecting pipe is fixedly connected to a water tank, and the bottom surface of the water tank is provided with an opening.

[0005] Preferably, the outer side surface of the water tank is symmetrically fixedly connected with a fixed block, the outer surface of the fixed block is fixedly connected with a support rod, and the end of the support rod away from the fixed block is fixedly connected with a float plate. By setting the support rod, the float plate can be connected to the water tank. By setting the float plate, the device can stop on the water surface when the device needs to absorb water.

[0006] Preferably, one end of the first support frame away from the connecting frame is fixedly connected to a threaded limiting rod, and the end of the second support frame is fixedly connected to a locking sleeve, and the locking sleeve is arranged on the outer surface of the threaded limiting rod.

[0007] Preferably, the outer surface of the threaded limiting rod is slidably connected with a retaining ring, and the retaining ring is frictionally fitted with the inner wall of the retaining sleeve. The outer surface of the threaded limiting rod is threadedly connected with a threaded ring, and the threaded ring is fixedly connected with a connecting rod on one side close to the retaining ring, and the end of the connecting rod is fixedly connected with an extrusion ring, and the extrusion ring is extrusion-fitted with the retaining ring.

[0008] Preferably, an exhaust pipe penetrates the upper surface of the transfer pipe, and a high-speed fan is fixedly connected to the top end of the exhaust pipe.

[0009] Preferably, a rotating rod is installed at the output end of the high-speed fan through a coupling, the bottom end of the rotating rod is fixedly connected to a one-way bearing, a fixing rod is fixedly connected to the side of the lower surface of the one-way bearing, the bottom end of the fixing rod is fixedly connected to a transmission rod, the bottom end of the transmission rod is fixedly connected to a water pump, the drainage end of the water pump is fixedly connected to a pump water pipe, the pump water pipe passes through the transfer pipe and extends to the outer surface of the transfer pipe.

[0010] Preferably, the bottom end of the connecting pipe is fixedly connected to a limit box, and limit grooves are symmetrically provided on the outer side surface of the limit box. A water-permeable plate is slidably connected to the inner cavity of the limit box, and a telescopic sealing ring is fixedly connected to the lower surface of the water-permeable plate, and the bottom end of the telescopic sealing ring is fixedly connected to the bottom surface of the inner cavity of the water storage tank. By setting the limit box, the water-permeable plate can be limited so that the water-permeable plate can move up and down in the inner cavity of the limit box. By setting the telescopic sealing ring, the telescopic sealing ring can be deformed when the water-permeable plate moves up and down, thereby preventing the water in the inner cavity of the water storage tank from leaking from the limit groove.

[0011] Preferably, the surface of the water-permeable plate is provided with leakage holes, the number of the leakage holes is several, and the leakage holes are evenly distributed, the top surface of the inner cavity of the limit box is fixedly connected with a blocking block, the outer surface of the blocking block is fixedly connected with a sealing ring, the sealing ring is squeezed and adapted to the leakage holes, a sealing tube is fixedly connected at the axis center of the upper surface of the water-permeable plate, the outer surface of the connecting tube is provided with ventilation holes, the sealing tube is frictionally adapted to the inner wall of the connecting tube, and by providing the leakage holes, water from the outside can enter the inner cavity of the limit box through the leakage holes and enter the inner cavity of the water storage tank through the limiting groove; by providing the sealing tube, the ventilation holes provided on the outer surface of the connecting tube can be sealed, and then after the water-permeable plate moves upward in the inner cavity of the limit box, the connecting tube is no longer connected with the water storage tank; by providing the blocking block and the sealing ring, the leakage holes can be blocked when the water-permeable plate moves upward, so that water in the inner cavity of the water storage tank will not leak out.

[0012] Preferably, the outer side surface of the permeable plate is fixedly connected to a movable plate, and the movable plate is slidably connected to a limit groove opened on the outer side surface of the limit box, and the inner surface of the movable plate is fixedly connected to a water injection pipe, and the water injection pipe passes through the water storage tank, and the outer surface of the water injection pipe is fixedly connected to a foam plate, and the upper surface of the foam plate is fixedly connected to a first magnet, and a second magnet is arranged directly above the first magnet, and the second magnet is fixedly connected to the top surface of the inner cavity of the water storage tank, and the upper end of one of the water injection pipes passes through the top surface of the water storage tank and slides with it in a sealed manner, and a C-shaped tube is arranged on the upper side of the water storage tank, and the lower end of the C-shaped tube is sealed, and a nozzle is connected to its upper end, and the middle part of the C-shaped tube is fixed and connected to the pump water pipe, and the upper end of the water injection pipe is sealed, and it passes through the lower horizontal part and the upper horizontal part of the C-shaped tube and slides with them in a sealed manner, and the side wall of the water injection pipe is symmetrically provided with a first circular hole, and the side wall of the water injection pipe below the first circular hole is also provided with a second circular hole, and a sealing plate is arranged in the water injection pipe between the first circular hole and the second circular hole.

[0013] The present invention provides a fire-fighting drone for firefighting. It has the following beneficial effects:

[0014] By setting up a connecting mechanism, the water absorption mechanism can be connected to the flight component, so that after the flight component is started, the water absorption mechanism and the water storage mechanism can move together and protect the flight component. When the flight component encounters rising air currents and turbulence and will cause the flight component to crash, the water absorption mechanism and the water storage mechanism can be removed to achieve the protection effect of the flight component. By setting up a water absorption mechanism, when there is no water in the inner cavity of the water storage mechanism and the device is located above the water surface, suction can be generated, so that the water flow in the lake can be sucked into the inner cavity of the water storage mechanism, and the water storage mechanism will not leak during the transportation of the device. When water spraying is required, the water flow in the inner cavity of the water storage mechanism can be sprayed out and flow down. By setting up a water storage mechanism, the water flow entering the inner cavity can be controlled. After the water storage capacity reaches the maximum rated capacity, the water in the lake will no longer flow into the inner cavity of the water storage mechanism, and under the control of the water absorption mechanism, the water flow can be discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the external structure of a fire-fighting drone for firefighting of the present invention;

[0016] Figure 2 A side view of a fire-fighting drone for firefighting according to the present invention;

[0017] Figure 3 It is a schematic diagram of the structure of the connecting mechanism of the present invention;

[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the connecting mechanism of the present invention;

[0019] Figure 5 It is a schematic diagram of the structure of the water absorption mechanism of the present invention;

[0020] Figure 6 It is a schematic diagram of the partial structure of the water absorption mechanism of the present invention;

[0021] Figure 7 It is a schematic diagram of the structure of the water storage mechanism of the present invention;

[0022] Figure 8 It is a partial structural schematic diagram of the water storage mechanism of the present invention;

[0023] Fig. 9 It is a cross-sectional state diagram of the water injection pipe and the C-shaped pipe when the present invention is injecting water into the water storage tank;

[0024] Fig.10 It is a cross-sectional state diagram of the water injection pipe and the C-shaped pipe when the present invention sprays water outward.

[0025] In the figure: 1, flight assembly; 2, connecting frame; 3, connecting mechanism; 4, water absorption mechanism; 5, water storage mechanism; 6, fixed block; 7, support rod; 8, floating plate; 31, first support frame; 32, threaded limit rod; 33, clamping sleeve; 34, second support frame; 35, limit sleeve; 36, semicircular ring; 37, clamping ring; 38, threaded ring; 39, connecting rod; 310, extrusion ring; 41, transfer pipe; 42, exhaust pipe; 43, high-speed fan; 44, rotating rod; 45, one-way bearing; 46, fixing rod; 47. Transmission rod; 48. Water pump; 49. Pump water pipe; 51. Connecting pipe; 52. Vent; 53. Limit box; 54. Limit groove; 55. Water storage tank; 56. Water-permeable plate; 57. Movable plate; 58. Telescopic sealing ring; 59. Blocking block; 510. Sealing ring; 511. First magnet; 512. Leakage hole; 513. Water injection pipe; 514. Foam board; 515. Second magnet; 516. Sprinkler; 517. C-shaped tube; 518. First circular hole; 519. Second circular hole; 520. Sealing plate. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0027] like Figure 1-Figure 10 As shown, the present invention provides a technical solution: a fire-fighting drone for firefighting, comprising a flight component 1, a connection frame 2 is fixedly connected to the outer surface of the flight component 1, a connection mechanism 3 is fixedly connected to the lower surface of the connection frame 2, the connection mechanism 3 comprises a first support frame 31, the first support frame 31 is fixedly connected to the lower surface of the connection frame 2, a second support frame 34 is arranged directly below the first support frame 31, a limiting sleeve 35 is fixedly connected to the lower surface of the second support frame 34, a semicircular ring 36 is slidably connected to the inner cavity of the limiting sleeve 35, and the semicircular ring 36 can be slidably connected to the inner cavity of the limiting sleeve 35 by arranging the limiting sleeve 35. The limiting function is implemented so that the semicircular ring 36 can slide in the inner cavity of the limiting sleeve 35; the lower surface of the semicircular ring 36 is fixedly connected with a water absorption mechanism 4, which includes a transfer pipe 41, and the transfer pipe 41 is fixedly connected to the lower surface of the semicircular ring 36; the lower surface of the transfer pipe 41 is penetrated by a water storage mechanism 5, which includes a connecting pipe 51, and the connecting pipe 51 passes through the lower surface of the transfer pipe 41, and the outer surface of the connecting pipe 51 is fixedly connected with a water tank 55, and the bottom surface of the water tank 55 is provided with an opening. By providing the connecting mechanism 3, the water absorption mechanism 4 can be connected to the flight component 1.

[0028] The outer side surface of the water tank 55 is symmetrically fixedly connected with a fixing block 6, and the outer surface of the fixing block 6 is fixedly connected with a supporting rod 7. The end of the supporting rod 7 away from the fixing block 6 is fixedly connected with a floating plate 8. By setting the supporting rod 7, the floating plate 8 can be connected to the water tank 55 together. By setting the floating plate 8, the drone can float on the water surface when it needs to absorb water. The end of the first support frame 31 away from the connecting frame 2 is fixedly connected with a threaded limiting rod 32, and the end of the second support frame 34 is fixedly connected with a clamping sleeve 33. The clamping sleeve 33 is sleeved on the outer surface of the threaded limiting rod 32. By setting the clamping sleeve 33, the threaded limiting rod 32 can be limited so that the threaded limiting rod 32 can be clamped in the inner cavity of the clamping sleeve 33, thereby connecting the first support frame 31 and the second support frame 34 together. The outer surface of the threaded limiting rod 32 is slidably connected with a clamping ring 37. The clamping ring 37 is frictionally adapted to the inner wall of the clamping sleeve 33. The outer surface of the threaded limiting rod 32 The screw connection is provided with a threaded ring 38, and a connecting rod 39 is fixedly connected to one side of the threaded ring 38 near the retaining ring 37. The end of the connecting rod 39 is fixedly connected with an extrusion ring 310, and the extrusion ring 310 is extruded and adapted to the retaining ring 37. By setting the retaining ring 37, it can cooperate with the retaining sleeve 33, so that the first support frame 31 and the second support frame 34 are tightly connected together. By setting the threaded ring 38, the threaded limiting rod 32 can be connected together during rotation, so that the extrusion ring 310 can squeeze the retaining ring 37. During use, when installing the device, the operator inserts the threaded limiting rod 32 into the inner cavity of the retaining sleeve 33, and then sets the retaining ring 37 on the outer surface of the threaded limiting rod 32, and then rotates the threaded ring 38 until the extrusion ring 310 squeezes the retaining ring 37 and makes the retaining ring 37 located in the inner cavity of the retaining sleeve 33, which is convenient for quick assembly. After use, it can be quickly disassembled to reduce the space occupied by the equipment.

[0029] An exhaust pipe 42 runs through the upper surface of the transfer pipe 41, and a high-speed fan 43 is fixedly connected to the top of the exhaust pipe 42. By arranging the exhaust pipe 42 and the high-speed fan 43, the air in the inner cavity of the transfer pipe 41 can be quickly discharged when the high-speed fan 43 rotates forward, and the outside air can be blown into the inner cavity of the transfer pipe 41 when the high-speed fan 43 is controlled to rotate reversely. A rotating rod 44 is installed at the output end of the high-speed fan 43 through a coupling, and a one-way bearing 45 is fixedly connected to the bottom end of the rotating rod 44. A fixing rod 46 is fixedly connected to the side of the lower surface of the one-way bearing 45. The bottom end of the fixed rod 46 is fixedly connected with a transmission rod 47, a water pump 48 is arranged near the bottom of the connecting pipe 51, the bottom end of the transmission rod 47 is connected with the driving shaft of the water pump 48, the drainage end of the water pump 48 is fixedly connected with a pump pipe 49, the pump pipe 49 passes through the transfer pipe 41 and extends to the outer surface of the transfer pipe 41, and by arranging a one-way bearing 45, the water pump 48 can rotate when the high-speed fan 43 is running forward, but will not rotate when it is reversed, and by arranging the water pump 48, water can be discharged from the pump pipe 49 after the water pump 48 starts working.

[0030] The bottom end of the connecting pipe 51 is fixedly connected to a limit box 53, and limit grooves 54 are symmetrically provided on the outer side of the limit box 53. A water-permeable plate 56 is slidably connected to the inner cavity of the limit box 53, and a telescopic sealing ring 58 is fixedly connected to the lower surface of the water-permeable plate 56. The bottom end of the telescopic sealing ring 58 is fixedly connected to the bottom surface of the inner cavity of the water storage tank 55. By setting the limit box 53, the water-permeable plate 56 can be limited so that the water-permeable plate 56 can move up and down in the inner cavity of the limit box 53. By setting the telescopic sealing ring 58, when the water-permeable plate 56 moves up and down, the telescopic sealing ring 58 will also be deformed, thereby preventing the water flow in the inner cavity of the water storage tank 55 from leaking from the limit groove 54. The surface of the water-permeable plate 56 is provided with leakage holes 512, and the number of the leakage holes 512 is as follows: There are several leaking holes 512 evenly distributed, a blocking block 59 is fixedly connected to the top surface of the inner cavity of the limit box 53, a sealing ring 510 is fixedly connected to the outer surface of the blocking block 59, the sealing ring 510 is squeezed and adapted with the leaking hole 512, a sealing tube 511 is fixedly connected to the axis of the upper surface of the permeable plate 56, a vent hole 52 is opened on the outer surface of the connecting tube 51, and the sealing tube 511 is frictionally adapted with the inner wall of the connecting tube 51. By setting the leaking holes 512, the external water flow can enter the inner cavity of the limit box 53 through the leaking holes 512, and enter the inner cavity of the water storage tank 55 through the limit groove 54. By setting the sealing tube 511, the vent hole 52 opened on the outer surface of the connecting tube 51 can be sealed, and then when the permeable plate 56 is in the limit After the box 53 moves upward in the inner cavity, the connecting pipe 51 is no longer connected to the water storage tank 55. By setting the blocking block 59 and the sealing ring 510, the water leakage hole 512 can be blocked when the water permeable plate 56 moves upward, so that the water in the inner cavity of the water storage tank 55 will not leak out. The outer side of the water permeable plate 56 is fixedly connected to a movable plate 57, and the movable plate 57 is slidably connected to the limit groove 54 opened on the outer side of the limit box 53. The upper surface of the movable plate 57 is fixedly connected to a water injection pipe 513, and the water injection pipe 513 runs through the water storage tank 55. The outer surface of the water injection pipe 513 is fixedly connected to a foam plate 514, and the upper surface of the foam plate 514 is fixedly connected to a first magnet 511. A second magnet 515 is arranged just above the first magnet 511. 5 is fixedly connected to the top surface of the inner cavity of the water storage tank 55, wherein the upper end of one water injection pipe 513 penetrates the top surface of the water storage tank 55 and slides with the top surface in a sealed manner, a C-shaped pipe 517 is provided on the upper side of the water storage tank 55, the lower end of the C-shaped pipe 517 is sealed, and the upper end is connected to a nozzle 516, the middle part of the C-shaped pipe 517 is fixed to and communicates with the pump water pipe 49, the upper end of the water injection pipe 513 is sealed, and penetrates the lower horizontal part and the upper horizontal part of the C-shaped pipe 517 and slides with the lower horizontal part in a sealed manner, a first circular hole 518 is symmetrically opened on the side wall of the water injection pipe 513, a second circular hole 519 is further opened on the side wall of the water injection pipe 513 below the first circular hole 518, a sealing plate 520 is provided in the water injection pipe 513 between the first circular hole 518 and the second circular hole 519, and by setting a movable plate 57,The permeable plate 56 can be limited so that the permeable plate 56 can move up and down. By setting the foam plate 514, after the water level in the inner cavity of the water storage tank 55 rises, the foam plate 514 can move upward, and drive the water injection pipe 513 and the permeable plate 56 to move upward. By setting the sealing block 516, after the foam plate 514 moves upward, the straight pipe 45 can be blocked.

[0031] Working principle: when water needs to be filled, the high-speed fan 43 is controlled to rotate forward to discharge the air in the water tank 55, forming a negative pressure inside the water tank 55, accelerating the external water to enter the water tank 55 from the water leakage hole 512 and the limit box 53, and shortening the water filling time; while the high-speed fan 43 rotates forward, it drives the water pump 48 to work, and the suction force of the water pump 48 increases the negative pressure in the limit box 53, accelerating the water to enter the limit box 53, while the water tank 55 is in the process of filling water, the foam board 514 has not started to float up, and the water injection pipe 513 has not started to move up, and the connection state of the water injection pipe 513 and the C-shaped pipe 517 is as shown in FIG. Fig. 9 As shown, the water in the limit box 53 can be quickly injected into the water tank 55 via the water pump 48, the pump pipe 49, the C-shaped pipe 517, the second circular hole 519 and the water injection pipe 513, further accelerating the water filling time of the water tank 55; when the water in the water tank 55 is full, the foam plate 514 floats to the upper limit position, and at the same time, the first magnet 511 and the second magnet 515 are attracted to drive the blocking block 59 to block the water leakage hole 512, and then the drone is controlled to take off from the water surface and fly to the fire site. The buoyancy of the foam plate 514 and the attraction of the first magnet 511 and the second magnet 515 can overcome the downward pressure of the water in the water tank 55 on the water permeable plate 56, prevent the water permeable plate 56 from moving downward during the flight of the drone, and prevent the water in the water tank 55 from leaking;

[0032] When it is necessary to release water to the UAV for fire extinguishing, the high-speed fan 43 is controlled to reverse. Due to the effect of the one-way bearing 45, the water pump 48 does not work, and the high-speed fan 43 injects air into the water tank 55 to increase the air pressure in the water tank 55, so that the first magnet 511 is disengaged from the second magnet 515, the water injection pipe 513, the movable plate 57 and the water-permeable plate 56 move downward, and the blocking block 59 releases the blockage of the water leakage hole 512. Under the effect of air pressure, the water in the water tank 55 is quickly ejected through the limit box 53 and the water leakage hole 512 to extinguish the fire released by the UAV, thereby realizing rapid water release in the vertical direction to extinguish the fire;

[0033] When it is necessary to spray water to extinguish a fire in the windows of a building, the water injection pipe 513 moves upward during the water filling process, so that the second circular hole 519 on the water injection pipe 513 moves out of the C-shaped tube 517, preventing water from being pumped into the water tank 55. At this time, the two first circular holes 518 move into the C-shaped tube 517, connecting the water pump pipe 49 with the nozzle 516, so that the water in the water tank 55 passes through the water pump pipe 49, the C-shaped tube 517, and finally is sprayed out from the nozzle 516 in a horizontal direction, thereby realizing water spraying in the horizontal direction, and water can be sprayed into the interior of the building through the windows of the building to extinguish a fire.

[0034] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A fire-fighting drone, comprising a flight assembly (1), wherein a connection frame (2) is fixedly connected to the outer surface of the flight assembly (1), and characterized in that: The lower surface of the connection frame (2) is fixedly connected to a connection mechanism (3), the connection mechanism (3) comprising a first support frame (31), the first support frame (31) is fixedly connected to the lower surface of the connection frame (2), a second support frame (34) is arranged directly below the first support frame (31), the lower surface of the second support frame (34) is fixedly connected to a limiting sleeve (35), the inner cavity of the limiting sleeve (35) is slidably connected to a semicircular ring (36); the lower surface of the semicircular ring (36) A water absorbing mechanism (4) is fixedly connected, the water absorbing mechanism (4) comprising a transfer pipe (41), the transfer pipe (41) being fixedly connected to the lower surface of the semicircular ring (36); a water storage mechanism (5) is passed through the lower surface of the transfer pipe (41), the water storage mechanism (5) comprises a connecting pipe (51), the connecting pipe (51) is passed through the lower surface of the transfer pipe (41), a water storage tank (55) is fixedly connected to the outer surface of the connecting pipe (51), and the bottom surface of the water storage tank (55) is provided with an opening.

2. A fire-fighting drone according to claim 1, characterized in that: The outer side surface of the water storage tank (55) is symmetrically fixedly connected to a fixing block (6), the outer surface of the fixing block (6) is fixedly connected to a support rod (7), and one end of the support rod (7) away from the fixing block (6) is fixedly connected to a floating plate (8).

3. A fire-fighting drone according to claim 1, characterized in that: One end of the first support frame (31) away from the connection frame (2) is fixedly connected to a threaded limiting rod (32), and the end of the second support frame (34) is fixedly connected to a locking sleeve (33), wherein the locking sleeve (33) is sleeved on the outer surface of the threaded limiting rod (32).

4. A fire-fighting drone according to claim 3, characterized in that: The outer surface of the threaded limiting rod (32) is slidably connected with a retaining ring (37), and the retaining ring (37) is frictionally matched with the inner wall of the retaining sleeve (33). The outer surface of the threaded limiting rod (32) is threadedly connected with a threaded ring (38), and a connecting rod (39) is fixedly connected to the side of the threaded ring (38) close to the retaining ring (37), and an extrusion ring (310) is fixedly connected to the end of the connecting rod (39), and the extrusion ring (310) is extrusion-matched with the retaining ring (37).

5. The fire-fighting drone according to claim 1, characterized in that: An exhaust pipe (42) penetrates the upper surface of the transfer pipe (41), and a high-speed fan (43) is fixedly connected to the top end of the exhaust pipe (42).

6. A fire-fighting drone according to claim 5, characterized in that: The output end of the high-speed fan (43) is provided with a rotating rod (44) through a coupling, the bottom end of the rotating rod (44) is fixedly connected with a one-way bearing (45), the side of the lower surface of the one-way bearing (45) is fixedly connected with a fixing rod (46), the bottom end of the fixing rod (46) is fixedly connected with a transmission rod (47), a water pump (48) is arranged near the bottom of the connecting pipe (51), the bottom end of the transmission rod (47) is connected to the driving shaft of the water pump (48), the drainage end of the water pump (48) is fixedly connected with a pump water pipe (49), and the pump water pipe (49) passes through the transfer pipe (41) and extends to the outer surface of the transfer pipe (41).

7. A fire-fighting drone according to claim 6, characterized in that: The bottom end of the connecting pipe (51) is fixedly connected to a limit box (53), the outer side surface of the limit box (53) is symmetrically provided with limit grooves (54), the inner cavity of the limit box (53) is slidably connected to a water-permeable plate (56), the lower surface of the water-permeable plate (56) is fixedly connected to a telescopic sealing ring (58), and the bottom end of the telescopic sealing ring (58) is fixedly connected to the bottom surface of the inner cavity of the water storage tank (55).

8. A fire-fighting drone according to claim 7, characterized in that: The surface of the water-permeable plate (56) is provided with a plurality of water leakage holes (512); the top surface of the inner cavity of the limit box (53) is fixedly connected to a blocking block (59); the outer surface of the blocking block (59) is fixedly connected to a sealing ring (510); the sealing ring (510) is extruded and fitted with the water leakage holes (512); and the outer surface of the connecting pipe (51) is provided with a vent hole (52).

9. A fire-fighting drone according to claim 8, characterized in that: The outer side surface of the water-permeable plate (56) is fixedly connected to a movable plate (57), and the movable plate (57) is slidably connected to a limit groove (54) provided on the outer side surface of the limit box (53). The inner surface of the movable plate (57) is fixedly connected to a water injection pipe (513), and the outer surface of the water injection pipe (513) is fixedly connected to a foam plate (514). The upper surface of the foam plate (514) is fixedly connected to a first magnet (511). A second magnet (515) is arranged directly above the first magnet (511). The second magnet (515) is fixedly connected to the top surface of the inner cavity of the water storage tank (55). The upper end of one of the water injection pipes (513) passes through the top surface of the water storage tank (55) and slides in a sealed manner therewith. A C-shaped tube (517) is provided on the upper side of the water storage tank (55). The lower end of the C-shaped tube (517) is sealed and the upper end is connected to a nozzle (516). The middle part of the C-shaped tube (517) is fixed to and communicated with the water pump pipe (49). The upper end of the water injection pipe (513) is sealed and passes through the lower horizontal part and the upper horizontal part of the C-shaped tube (517) and slides therewith in a sealed manner. A first circular hole (518) is symmetrically provided on the side wall of the water injection pipe (513). A second circular hole (519) is also provided on the side wall of the water injection pipe (513) below the first circular hole (518). A sealing plate (520) is provided in the water injection pipe (513) between the first circular hole (518) and the second circular hole (519).

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