Unmanned aerial vehicle fire fighting truck

Abstract

The utility model relates to the technical field of fire fighting, in particular to an unmanned aerial vehicle fire fighting truck which comprises a chassis, a compartment, a truck head and an unmanned aerial vehicle, the compartment and the truck head are both installed on the chassis, the compartment is located on the rear portion of the truck head, a parking platform and a lifting driving mechanism are arranged in the compartment, and the unmanned aerial vehicle is parked on the parking platform. The lifting driving mechanism is connected with the parking platform to drive the parking platform to ascend and descend, and a door opening structure is arranged at the top of the compartment and used for opening the compartment so that the parking platform can ascend out of the compartment. The compartment is opened through the door opening structure, and the lifting driving mechanism drives the parking platform to ascend so that the parking platform can ascend out of the compartment from an opening opened by the door opening structure; the unmanned aerial vehicle is carried out outside the carriage for take-off deployment, manual carrying is reduced, time and labor are saved, and the fire fighting efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of firefighting, and more specifically, it relates to a drone fire truck. Background Art

[0002] Fire trucks are the main tools used by fire brigades to put out fires and are the most basic mobile firefighting equipment. Fire trucks are very important for the rapid and effective handling of emergencies.

[0003] When a fire truck goes to the fire scene, it often needs to carry a large amount of rescue equipment, especially in today's cities. Due to the high-rise buildings in modern cities, traditional fire-fighting methods can no longer meet existing needs. Therefore, modern fire-fighting and rescue must rely on drones or rescue robots. In the existing technology, the drone is loaded inside the fire truck compartment. When in use, the drone needs to be moved out of the compartment by manpower. Due to the large size of the fire-fighting drone and its heavier weight than ordinary drones, it is time-consuming and labor-intensive to rely on manual transportation and deployment, which delays the efficiency of firefighting. Utility Model Content

[0004] In order to solve the problem that it is time-consuming and labor-intensive to manually carry fire-fighting drones out of the car compartment for deployment, which reduces fire-fighting efficiency, the present application provides a drone fire truck.

[0005] A UAV fire truck comprises a chassis, a carriage, a front and a UAV, wherein the carriage and the front are both mounted on the chassis, the carriage is located at the rear of the front, a parking platform and a lifting drive mechanism are provided inside the carriage, the UAV is parked on the parking platform, the lifting drive mechanism is connected to the parking platform to drive the parking platform to rise and fall, and a door opening structure is provided on the top of the carriage for opening the carriage to allow the parking platform to rise out of the carriage.

[0006] By adopting the above technical solution, the door opening structure opens the car, and the lifting drive mechanism drives the parking platform to rise so that the parking platform rises from the opening opened by the door opening structure to the outside of the car, thereby realizing the transportation of the drone to the outside of the car for takeoff and deployment, reducing the use of manual transportation, saving time and effort, and helping to improve firefighting efficiency.

[0007] Preferably, the lifting drive mechanism includes a hydraulic station and at least one upright lifting cylinder, the hydraulic station is connected to the lifting cylinder via a pipeline to supply oil to the lifting cylinder, and the lifting cylinder is connected to the parking platform to drive the parking platform to rise and fall.

[0008] By adopting the above solution, the lifting cylinder drives the parking platform to rise and fall, and the structure is simple and easy to use.

[0009] Preferably, the carriage comprises a rectangular frame, a top plate, a bottom plate, side plates, an end plate, and a plurality of hinges, the top plate being fixed to the top crossbeam of the rectangular frame and cooperating with the door opening structure to close the top surface of the rectangular frame, the bottom plate being fixed to the bottom crossbeam of the rectangular frame and closing the bottom surface of the rectangular frame, the number of the side plates being two, the two side plates being respectively located on opposite sides of the rectangular frame and closing the side surfaces of the rectangular frame respectively, and each of the side plates being divided into an upper side plate and a lower side plate, the lower edge of the lower side plate being fixedly connected to the bottom crossbeam of the rectangular frame, the upper edge of the upper side plate being connected to the top crossbeam of the rectangular frame by a hinge, and the end plates There are two plates and they are respectively located at the end surfaces of the closed rectangular frame at both ends of the rectangular frame. The end plate close to the front of the vehicle is fixedly connected to the rectangular frame, and the end plate away from the front of the vehicle is connected to the upper edge of the rectangular frame by a hinge. Both sides of the rectangular frame are hinged with a first pushing cylinder, and the driving shaft of the first pushing cylinder is hinged with the upper side plate to push the upper side plate to flip outward 90°. The end of the rectangular frame away from the front of the vehicle is hinged with a second pushing cylinder, and the second pushing cylinder is hinged with the end plate away from the front of the vehicle to push the end plate to flip outward. The first pushing cylinder and the second pushing cylinder are both connected to the hydraulic station through pipelines.

[0010] By adopting the above technical solution, the two upper side panels are flipped 90° to be flush with the top panel, and the top panel and the two upper side panels are combined into a wide supporting platform, which is convenient for the drone to land on the top of the carriage, making it more convenient to recover the drone to the carriage. By flipping open the end panel away from the front of the car, it is convenient for staff to enter the carriage to perform maintenance inside the carriage.

[0011] Preferably, the door opening structure includes a movable plate, a water retaining basin, a third pushing oil cylinder, and two slide grooves, the two slide grooves are respectively arranged on the cross beams on both sides of the top of the rectangular frame, the opposite side edges of the movable plate are respectively inserted into the two slide grooves, the top surface of the movable plate is flush with the top plate, the water retaining basin is located below the movable plate, and the opposite side walls of the water retaining basin are respectively sealed and connected to the cross beams on both sides of the top of the rectangular frame, one end of the water retaining basin is sealed and connected to the top wall of the carriage, the third pushing oil cylinder is fixedly connected to the top plate, the driving shaft of the third pushing oil cylinder is connected to the movable plate to drive the movable plate to slide in the slide groove, the bottom surface of the movable plate is in contact with the upper edge of the water retaining basin, the bottom wall of the water retaining basin is provided with a water guide hole, and the water retaining basin is provided with a water guide pipe below the water guide hole, and the water guide pipe extends downward and passes through the bottom plate.

[0012] By adopting the above technical solution, the third pushing cylinder pushes the movable plate to move, so that the movable plate and the water retaining basin are staggered and unfolded to achieve the top of the closed rectangular frame of the top plate, which is convenient for rain protection. The third pushing cylinder pulls the movable plate to be directly above the water retaining basin, so that the top of the rectangular frame is exposed with an opening, so that the parking platform can be extended out of the car for takeoff. It is more labor-saving and convenient to push by the third pushing cylinder; water is blocked by the water retaining basin, which has the ability to buffer a certain amount of water and guide the water in the water retaining basin to the outside of the car through the water guide hole and the water guide pipe, thereby reducing the situation where rainwater seeps into the car from the water retaining basin and the movable plate and causes water accumulation in the car.

[0013] Preferably, a ladder is provided on a vertical beam of the rectangular frame close to the front of the vehicle.

[0014] By adopting the above technical solution, the ladder makes it easy for the staff to climb to the top of the carriage to carry the fallen unmanned aerial vehicle to the parking platform, making it convenient for the drone to return to the interior of the carriage for parking.

[0015] Preferably, the cross beams on both sides of the top of the rectangular frame are provided with water retaining strips to cover the upper edges of the upper side plates.

[0016] By adopting the above technical solution, the upper side panel and the rectangular frame are connected by hinges, and a small gap is provided between the upper side panel and the rectangular frame. The upper edge of the upper side panel is covered by a water retaining strip to block rainwater, thereby reducing the situation where rainwater penetrates into the interior of the car and causes water accumulation inside the car.

[0017] Preferably, a water tank, a high-pressure water pump, a water spray pipe, and a pipe-releasing mechanism are also provided inside the carriage. The water spray pipe is wound on the pipe-releasing mechanism and unwound through the pipe-releasing mechanism, and one end of the water spray pipe is connected to the high-pressure water pump and the port of the water spray pipe is connected to the output end of the high-pressure water pump, the other end of the water spray pipe is fixed to the drone, the input end of the high-pressure water pump is connected to the water tank, and the chassis is provided with an engine, which runs through the carriage and is connected to the high-pressure water pump to provide power for the high-pressure water pump.

[0018] By adopting the above technical solution, water or other fire-extinguishing liquids are stored in the water tank, the drone drives the water spray pipe to rise to a high altitude, the engine supplies power to the high-pressure water pump, and the high-pressure water pump draws water from the water tank and inputs it into the water spray pipe to realize high-altitude water spraying to deal with high-rise fires, making high-altitude firefighting more convenient.

[0019] Preferably, the pipe-releasing mechanism includes a mounting frame, a rotating shaft, and a motor. The rotating shaft is rotatably connected to the mounting frame, the water spray pipe is wound around the rotating shaft, the motor is fixed to the mounting frame, the chassis is provided with a first power generation device, the motor is electrically connected to the first power generation device, and the motor drives the rotating shaft to rotate to unwind and reel the water spray pipe.

[0020] By adopting the above technical solution, the water spray pipe is wound on the rotating shaft, the first power generation equipment supplies power to the motor, and the motor drives the rotating shaft to rotate to unwind and reel the water spray pipe, so that the water spray pipe is continuously stretched as the drone flies higher and is retracted as the drone lands, thereby reducing the entanglement and knotting of the water spray pipes, restricting the flight of the drone, reducing manual operation, and making it easier to recycle the water spray pipes.

[0021] Preferably, a battery charging box and the second power generation device are also provided inside the carriage, and the battery charging box is electrically connected to the second power generation device.

[0022] By adopting the above technical solution, the second power generation device supplies power to the battery charging box, and the battery charging box is convenient for charging the batteries on the drone.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The door opening structure opens the carriage, and the lifting drive mechanism drives the parking platform to rise so that the parking platform rises out of the carriage from the opening opened by the door opening structure, so that the drone can be transported to the outside of the carriage for takeoff and deployment, reducing the use of manual transportation, saving time and effort, and helping to improve firefighting efficiency.

[0025] 2. The two upper side panels are flipped 90 degrees to be flush with the top panel. The top panel and the two upper side panels are combined into a wide support platform, which is convenient for the drone to land on the top of the carriage, making it more convenient to recover the drone to the carriage. The carriage is opened by flipping the end panel away from the front of the car to facilitate staff to enter the carriage for maintenance inside the carriage.

[0026] 3. Water or other fire-extinguishing liquids are stored in the water tank. The drone drives the water spray pipe to rise to a high altitude. The high-pressure water pump draws water from the water tank and inputs it into the water spray pipe to realize high-altitude water spraying to deal with high-rise fires, making high-altitude firefighting more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The figure is a schematic diagram of the overall structure of a UAV fire truck of this embodiment.

[0028] Figure 2 The schematic diagram of the structure of a UAV fire truck of this embodiment is shown in FIG. 1 , with one side panel removed.

[0029] Figure 3 This is a schematic structural diagram of a drone fire truck of this embodiment from another angle.

[0030] Reference numerals: 1, chassis; 11, first power generation equipment; 12, engine; 2, carriage; 21, rectangular parallelepiped frame; 211, first push cylinder; 212, second push cylinder; 213, ladder; 214, water retaining strip; 22, top plate; 23, bottom plate; 24, side plate; 241, upper side plate; 242, lower side plate; 25, end plate; 26, hinge; 27, door opening structure; 271, movable plate; 272, water retaining basin; 2721. water guide hole; 2722. water guide pipe; 273. third push cylinder; 274. slide; 3. front of the vehicle; 4. drone; 5. parking platform; 6. lifting drive mechanism; 61. hydraulic station; 62. lifting cylinder; 7. water storage tank; 8. high-pressure water pump; 9. water spray pipe; 10. pipe release mechanism; 101. mounting frame; 102. rotating shaft; 103. motor; 104. second power generation equipment; 11. battery charging box. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0032] Reference Figure 1 and Figure 2A UAV fire truck includes a chassis 1, a car body 2, a front part 3, and a UAV 4. The car body 2 and the front part 3 are both installed on the chassis 1. The car body 2 is located at the rear of the front part 3. The car body 2 includes a rectangular frame 21, a top plate 22, a bottom plate 23, a side plate 24, an end plate 25, and a plurality of hinges 26. The top plate 22 is fixed on the top cross beam of the rectangular frame 21, and the bottom plate 23 is fixed on the cross beam of the bottom plate 23 of the rectangular frame 21. There are two side plates 24, which are respectively located on opposite sides of the rectangular frame 21 and connected to the rectangular frame 21. There are two end plates 25, which are respectively located at two ends of the rectangular frame 21 and connected to the rectangular frame 21. A door opening structure 27 is also provided on the top of the rectangular frame 21. The door opening structure 27 is provided on the top of the rectangular frame 21. The structure 27 and the top plate 22 close the top of the rectangular frame 21, the bottom plate 23 closes the bottom of the rectangular frame 21, the two side plates 24 are respectively on both sides of the rectangular frame 21, and the two end plates 25 close the two ends of the rectangular frame 21, so that the carriage 2 forms a hollow rectangular structure. A parking platform 5 and a lifting drive mechanism 6 are provided inside the carriage 2. The drone 4 is parked on the parking platform 5. The lifting mechanism is connected to the parking platform 5 to drive the parking platform 5 to rise and fall. An opening is opened at the top of the carriage 2 through the door opening structure 27, which facilitates the lifting mechanism to drive the parking platform 5 to rise from the opening to the outside of the carriage 2, so that the drone 4 can be transported to the outside of the carriage 2 for take-off and deployment, reducing the use of manual transportation, saving time and effort, and helping to improve firefighting efficiency.

[0033] Reference Figure 1 and Figure 2 Furthermore, each side panel 24 is divided into an upper side panel 241 and a lower side panel 242. The edge of the lower side panel 242 is fixedly connected to the bottom cross beam of the rectangular frame 21, and the upper edge of the upper side panel 241 is connected to the top cross beam of the rectangular frame 21 through a hinge 26. The end panel 25 close to the front of the vehicle 3 is fixedly connected to the rectangular frame 21, and the end panel 25 away from the front of the vehicle 3 is connected to the upper edge of the rectangular frame 21 through a hinge 26. Both sides of the rectangular frame 21 are hinged with a first pushing cylinder 211. The driving shaft of the first pushing cylinder 211 is hinged with the upper side panel 241 to push the upper side panel 241 to flip outward by 90 degrees. The end of the rectangular frame 21 away from the front of the vehicle 3 is hinged with a second pushing cylinder 211. The movable cylinder 212 and the second pushing cylinder 212 are hinged with the end plate 25 away from the front of the vehicle 3 to push the end plate 25 to flip outward, and the two upper side plates 241 are flipped 90° to be flush with the top plate 22. The movable plate 271, the top plate 22 and the two upper side plates 241 are combined into a wide supporting platform, which is convenient for the UAV 4 to land on the top of the carriage 2, making it more convenient for the UAV 4 to be recovered into the carriage 2. By flipping the end plate 25 away from the front of the vehicle 3 to open the carriage 2, it is convenient for the staff to enter the carriage 2 to maintain the interior of the carriage 2. The upper side plate 241 is pushed to flip by the first pushing cylinder 211, and the end plate 25 is pushed to flip by the second pushing cylinder 212. It is more convenient, reduces manual operation, and is more labor-saving.

[0034] Reference Figure 1 and Figure 2 Furthermore, a ladder 213 is provided on a vertical beam of the rectangular frame 21 close to the front of the vehicle 3, and the drone 4 falls onto the support platform composed of the upper side plate 241, the top plate 22, and the movable plate 271. The staff can climb onto the top of the carriage 2 more conveniently through the ladder 213, and carry the drone 4 to the parking platform 5 to facilitate the drone 4 to return to the interior of the carriage 2 for parking.

[0035] Reference Figure 1 and Figure 2 The door opening structure 27 includes a movable plate 271, a water retaining basin 272, a third pushing oil cylinder 273, and two slide grooves 274. The two slide grooves 274 are respectively arranged on the cross beams on both sides of the top of the rectangular parallelepiped frame 21. The edges of the movable plate 271 on both sides are respectively inserted into the two slide grooves 274. The top surface of the movable plate 271 is flush with the top plate 22. The water retaining basin 272 is located below the movable plate 271, and the opposite side walls of the water retaining basin 272 are respectively aligned with the rectangular parallelepiped frame 21. The cross beams on both sides of the top of the frame 21 are sealed and connected, one end of the water retaining basin 272 is sealed and connected to the top wall of the carriage 2, the third pushing cylinder 273 is fixedly connected to the top plate 22, the driving shaft of the third pushing cylinder 273 is connected to the movable plate 271 to drive the movable plate 271 to slide in the slide groove 274, the bottom surface of the movable plate 271 is in contact with the upper edge of the water retaining basin 272, and the third pushing cylinder 273 pushes the movable plate 271 to move, so that the movable plate 271 and the water retaining basin are The staggered deployment of 272 is realized on the top of the top plate 22 closing the top of the rectangular parallelepiped frame 21, which is convenient for keeping out rain. The third pushing cylinder 273 pulls the movable plate 271 to be directly above the water retaining basin 272, so that the top of the rectangular parallelepiped frame 21 is exposed to an opening, so that the parking platform 5 extends out of the car 2 and takes off. It is relatively labor-saving and convenient to push it through the third pushing cylinder 273; the bottom wall of the water retaining basin 272 is provided with a water guide hole 2721, and the water retaining basin 272 is provided with a water guide pipe 2722 (not shown in the figure) below the water guide hole 2721. The water guide pipe 2722 extends downward and passes through the bottom plate 23, and water is blocked by the water retaining basin 272. The water retaining basin 272 has the ability to buffer a certain amount of water and guides the water in the water retaining basin 272 to the outside of the car 2 through the water guide hole 2721 and the water guide pipe 2722, thereby reducing the situation in which rainwater penetrates into the car 2 from the water retaining basin 272 and the movable plate 271 and causes water accumulation in the car 2.

[0036] Reference Figure 1 and Figure 2 Furthermore, the cross beams on both sides of the top of the rectangular frame 21 are provided with water retaining strips 214 to cover the upper edge of the upper side plate 241, and the upper side plate 241 and the rectangular frame 21 are connected by hinges 26. There is a small gap between the upper side plate 241 and the rectangular frame 21. The water retaining strips 214 cover the upper edge of the upper side plate 241 to block rainwater, thereby reducing the situation in which rainwater penetrates into the interior of the carriage 2 and causes water accumulation in the carriage 2.

[0037] Reference Figure 1 , Figure 2 and Figure 3 , further, the chassis 1 is provided with a first power generation device 11 and an engine 12 (not shown in the figure), and the interior of the carriage 2 is also provided with a water storage tank 7, a high-pressure water pump 8, a water spray pipe 9 (not shown in the figure), a pipe release mechanism 10, and a second power generation device 104. The pipe release mechanism 10 includes a mounting frame 101, a rotating shaft 102, and a motor 103. The rotating shaft 102 is rotatably connected to the mounting frame 101, and the motor 103 is fixed to the mounting frame 101. The water spray pipe 9 is wound on the rotating shaft 102, and one end of the water spray pipe 9 is connected to the high-pressure water pump 8 and the port of the water spray pipe 9 is connected to the output end of the high-pressure water pump 8. The water spray pipe The other end of 9 is fixed on the drone 4, and the input end of the high-pressure water pump 8 is connected to the water tank 7. When the drone 4 takes off, it drives the water spray pipe 9 to be stretched upward. The first power generation equipment 11 is electrically connected to the motor 103 to supply power to the motor 103. The motor 103 drives the rotating shaft 102 to rotate and continuously unwind to achieve the elongation of the water spray pipe 9 as the drone 4 rises. The engine 12 penetrates the bottom plate 23 and is connected to the high-pressure water pump 8 to provide power for the high-pressure water pump 8. The liquid in the water tank 7 is drawn by the high-pressure water pump 8 and input into the water spray pipe 9. The water spray pipe 9 sprays out from high altitude, which is convenient for dealing with high-rise fires and makes high-altitude firefighting more convenient.

[0038] Reference Figure 2 Furthermore, the lifting drive mechanism 6 includes a hydraulic station 61 and four upright lifting cylinders 62. The driving shafts of the four lifting cylinders 62 are respectively connected to the four corners of the parking platform 5. The four lifting cylinders 62 jointly drive the parking platform 5 to rise and fall, and the four lifting cylinders 62 are all fixed on the mounting frame 101. The rotating shaft 102 is located below the parking platform 5. The first pushing cylinder 211, the second pushing cylinder 212, the third pushing cylinder 273, and the lifting cylinder 62 are all connected to the hydraulic station 61 through pipelines to obtain oil supply.

[0039] Reference Figure 2 Furthermore, a battery charging box 11 is also provided inside the carriage 2, and the second power generation device 104 is electrically connected to the battery charging box 11 to supply power to the battery charging box 11. The drone 4 is provided with a detachable battery to supply power to the drone 4, and the battery charging box 11 is convenient for charging the battery on the drone 4.

[0040] Furthermore, a drone 4 fire truck also includes a central console. The drone 4, the first pushing cylinder 211, the second pushing cylinder 212, the third pushing cylinder 273, the lifting cylinder 62, the hydraulic station 61, the high-pressure water pump 8, and the motor 103 are all connected to the central console signal, and the operation of each component is controlled by the central console, which is more convenient.

[0041] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A drone fire truck, characterized by: The vehicle comprises a chassis, a carriage, a front part and a drone, wherein the carriage and the front part are both mounted on the chassis, the carriage is located at the rear part of the front part, a parking platform and a lifting drive mechanism are arranged inside the carriage, the drone is parked on the parking platform, the lifting drive mechanism is connected to the parking platform to drive the parking platform to rise and fall, and a door opening structure is arranged on the top of the carriage for opening the carriage to allow the parking platform to rise out of the carriage.

2. The unmanned aerial vehicle fire truck according to claim 1, characterized in that: The lifting drive mechanism includes a hydraulic station and at least one upright lifting cylinder. The hydraulic station is connected to the lifting cylinder through a pipeline to supply oil to the lifting cylinder. The lifting cylinder is connected to the parking platform to drive the parking platform to rise and fall.

3. The unmanned aerial vehicle fire truck according to claim 2, characterized in that: The carriage comprises a rectangular frame, a top plate, a bottom plate, side plates, an end plate, and a plurality of hinges. The top plate is fixed to the top crossbeam of the rectangular frame and cooperates with the door opening structure to close the top surface of the rectangular frame. The bottom plate is fixed to the bottom crossbeam of the rectangular frame and closes the bottom surface of the rectangular frame. There are two side plates, which are respectively located on opposite sides of the rectangular frame to close the side surfaces of the rectangular frame, and each of the side plates is divided into an upper side plate and a lower side plate. The lower edge of the lower side plate is fixedly connected to the bottom crossbeam of the rectangular frame, and the upper edge of the upper side plate is connected to the top crossbeam of the rectangular frame by a hinge. There are two end surfaces of the rectangular frame closed at both ends of the rectangular frame, the end plate close to the front of the vehicle is fixedly connected to the rectangular frame, and the end plate away from the front of the vehicle is connected to the upper edge of the rectangular frame by a hinge. Both sides of the rectangular frame are hinged with a first pushing cylinder, and the driving shaft of the first pushing cylinder is hinged with the upper side plate to push the upper side plate to flip outward 90°. The end of the rectangular frame away from the front of the vehicle is hinged with a second pushing cylinder, and the second pushing cylinder is hinged with the end plate away from the front of the vehicle to push the end plate to flip outward. The first pushing cylinder and the second pushing cylinder are both connected to the hydraulic station through pipelines.

4. The unmanned aerial vehicle fire truck according to claim 3, characterized in that: The door opening structure includes a movable plate, a water retaining basin, a third pushing oil cylinder, and two slide grooves, the two slide grooves are respectively arranged on the cross beams on both sides of the top of the rectangular frame, the opposite side edges of the movable plate are respectively inserted into the two slide grooves, the top surface of the movable plate is flush with the top plate, the water retaining basin is located below the movable plate, and the opposite side walls of the water retaining basin are respectively sealed and connected to the cross beams on both sides of the top of the rectangular frame, one end of the water retaining basin is sealed and connected to the top wall of the carriage, the third pushing oil cylinder is fixedly connected to the top plate, the driving shaft of the third pushing oil cylinder is connected to the movable plate to drive the movable plate to slide in the slide groove, the bottom surface of the movable plate is in contact with the upper edge of the water retaining basin, the bottom wall of the water retaining basin is provided with a water guide hole, and the water retaining basin is provided with a water guide pipe below the water guide hole, and the water guide pipe extends downward and passes through the bottom plate.

5. The unmanned aerial vehicle fire fighting vehicle according to claim 3, characterized in that: A ladder is arranged on a vertical beam of the rectangular parallelepiped frame close to the vehicle front.

6. The unmanned aerial vehicle fire fighting vehicle according to claim 3, characterized in that: The cross beams on both sides of the top of the rectangular frame are provided with water retaining strips to cover the upper edges of the upper side plates.

7. The unmanned aerial vehicle fire fighting vehicle according to claim 1, characterized in that: A water tank, a high-pressure water pump, a water spray pipe, and a pipe-releasing mechanism are also provided inside the carriage. The water spray pipe is wound on the pipe-releasing mechanism and unwound through the pipe-releasing mechanism, and one end of the water spray pipe is connected to the high-pressure water pump and the port of the water spray pipe is connected to the output end of the high-pressure water pump. The other end of the water spray pipe is fixed to the drone, and the input end of the high-pressure water pump is connected to the water tank. The chassis is provided with an engine, which runs through the carriage and is connected to the high-pressure water pump to provide power for the high-pressure water pump.

8. The unmanned aerial vehicle fire truck according to claim 7, characterized in that: The pipe-releasing mechanism includes a mounting frame, a rotating shaft, and a motor. The rotating shaft is rotatably connected to the mounting frame, the water spray pipe is wound around the rotating shaft, the motor is fixed to the mounting frame, the chassis is provided with a first power generation device, the motor is electrically connected to the first power generation device, and the motor drives the rotating shaft to rotate to unwind and reel the water spray pipe.

9. The unmanned aerial vehicle fire truck according to claim 8, characterized in that: A battery charging box and a second power generation device are also provided inside the carriage, and the battery charging box is electrically connected to the second power generation device.

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