阅读说明：本技术 一种基于高层楼层消防的自动补充材料的无人机 (Unmanned aerial vehicle of automatic supplementary material based on high-rise floor fire control ) 是由 张甜甜 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种基于高层楼层消防的自动补充材料的无人机,包括无人机本体、消防喷头、连接导管和存储箱,所述无人机本体的底部焊接固定有固定安装板,所述固定安装板上焊接固定有伺服电机,且伺服电机的输出端转动连接有螺纹杆,所述螺纹杆上活动连接有滑动板,且滑动板限位滑动连接在储料隔离框上,所述滑动板上活动连接有支撑杆,且支撑杆的顶端活动连接在消防喷头上。该基于高层楼层消防的自动补充材料的无人机设置有支撑杆,伺服电机结合螺纹杆能够带动滑动板在储料隔离框上进行稳定的上下运动,此时滑动板结合两侧的支撑杆能够方便快捷的推动相应的消防喷头进行喷射角度的调节工作,进而能够保证后续灭火工作的稳定性。(The invention discloses an unmanned aerial vehicle based on automatic supplementary materials for high-rise fire control, which comprises an unmanned aerial vehicle body, a fire control nozzle, a connecting conduit and a storage box, wherein a fixed mounting plate is fixedly welded at the bottom of the unmanned aerial vehicle body, a servo motor is fixedly welded on the fixed mounting plate, the output end of the servo motor is rotatably connected with a threaded rod, a sliding plate is movably connected onto the threaded rod, the sliding plate is in limited sliding connection with a storage isolation frame, a support rod is movably connected onto the sliding plate, and the top end of the support rod is movably connected onto the fire control nozzle. This unmanned aerial vehicle based on automatic supplementary material of high-rise floor fire control is provided with the bracing piece, and servo motor combines the threaded rod to drive the sliding plate and carries out stable up-and-down motion on the storage isolation frame, and the bracing piece that the sliding plate combines both sides this moment can convenient and fast promote corresponding fire control shower nozzle and carry out injection angle's regulation work, and then can guarantee the stability of follow-up work of putting out a fire.)

1. The utility model provides an unmanned aerial vehicle of automatic supplementary material based on high-rise floor fire control, includes unmanned aerial vehicle body (1), fire control shower nozzle (7), connecting tube (12) and storage box (24), its characterized in that: the bottom of the unmanned aerial vehicle body (1) is fixedly welded with a fixed mounting plate (27), the fixed mounting plate (27) is fixedly welded with a storage isolation frame (2), a limiting telescopic loop bar (3) is fixedly welded in the storage isolation frame (2), a driving extraction pump (4) is installed on a bottom screw of the limiting telescopic loop bar (3), a universal pipe (5) is connected onto the driving extraction pump (4) through a bolt, the universal pipe (5) is installed on the storage isolation frame (2) through a bolt, a one-way electromagnetic valve (6) is installed onto the universal pipe (5) through a bolt, a fire-fighting spray head (7) is installed on a top bolt of the universal pipe (5), a servo motor (8) is fixedly welded on the fixed mounting plate (27), the output end of the servo motor (8) is rotatably connected with a threaded rod (9), and a sliding plate (10) is movably connected onto the threaded rod (9), the sliding plate (10) is connected to the storage isolation frame (2) in a limiting and sliding mode, a supporting rod (11) is movably connected to the sliding plate (10), the top end of the supporting rod (11) is movably connected to the fire nozzle (7), a connecting pipe (12) is connected to the driving extraction pump (4) through a bolt, a first through hole (13) is formed in the connecting pipe (12), a fixing plate (17) is fixedly welded to the connecting pipe (12), a rubber rod (18) is connected to the fixing plate (17) through a screw, the bottom end of the rubber rod (18) is connected to the storage isolation frame (2) through a screw, a connecting line (19) is connected to the fixing plate (17) through a bolt, the connecting line (19) is connected to the guide wheel (20) in a sliding mode, the guide wheel (20) is installed in the storage isolation frame (2) through a screw, and the top end of the connecting line (19) is connected to the storage isolation frame (21) through a bolt, and the connecting frame (21) is connected on the material storage isolating frame (2) in a limiting and sliding manner.

2. The unmanned aerial vehicle based on automatic supplementary material of high-rise floor fire control of claim 1, characterized in that: frame (2) symmetric distribution is kept apart in the left and right sides of fixed mounting panel (27) to the storage, and storage isolation frame (2) are through spacing flexible loop bar (3) and drive extraction pump (4) and universal pipe (5) one-to-one to the length of spacing flexible loop bar (3) is greater than the length that links up frame (21), and the total length of spacing flexible loop bar (3) and connecting tube (12) is greater than the inner space height of storage isolation frame (2) moreover.

3. The unmanned aerial vehicle based on automatic supplementary material of high-rise floor fire control of claim 1, characterized in that: threaded connection is between threaded rod (9) and sliding plate (10), and threaded rod (9) are connected in the middle part of sliding plate (10) to the central axis of threaded rod (9) and the central axis of unmanned aerial vehicle body (1) and the central axis of fixed mounting panel (27) are located same vertical central line.

4. The unmanned aerial vehicle based on automatic supplementary material of high-rise floor fire control of claim 1, characterized in that: the support rod (11) is hinged with the fire-fighting nozzle (7) and the sliding plate (10), the support rod (11) is connected to the middle of the sliding plate (10), and the inner end face of the sliding plate (10) is attached to the outer end face of the storage isolation frame (2).

5. The unmanned aerial vehicle based on automatic supplementary material of high-rise floor fire control of claim 1, characterized in that: connecting tube (12) sliding connection is in fixed sleeve (14), and fixed sleeve (14) welded fastening is on storage isolation frame (2), second through-hole (15) have been seted up on fixed sleeve (14), and the screw connection has rubber packing pad (16) in fixed sleeve (14).

6. The unmanned aerial vehicle based on automatic supplementary material of high-rise floor fire control of claim 5, characterized in that: first through-hole (13) equidistance distributes on connecting tube (12), and first through-hole (13) equiangular distribution is on connecting tube (12) to the diameter of connecting tube (12) is less than the inner space diameter of fixed sleeving (14), and the left and right sides symmetric distribution of fixed sleeving (14) has second through-hole (15) moreover, and second through-hole (15) and first through-hole (13) one-to-one simultaneously.

7. The unmanned aerial vehicle based on automatic supplementary material of high-rise floor fire control of claim 1, characterized in that: the cross section of the connecting frame (21) is I-shaped, connecting wires (19) are symmetrically distributed on the left side and the right side of the connecting frame (21), and the connecting wires (19) and the connecting frame (21) are distributed in parallel.

8. The unmanned aerial vehicle based on automatic supplementary material of high-rise floor fire control of claim 1, characterized in that: the bottom end screw connection that links up frame (21) has main stopper (22), and the bottom end screw connection that links up frame (21) has vice stopper (23), connecting tube (12) sliding connection is in guide cylinder (26), and the bottom bolted connection of guide cylinder (26) is on storage box (24), spacing groove (25) have been seted up on storage box (24), and the joint is connected with main stopper (22) and vice stopper (23) in spacing groove (25).

9. The unmanned aerial vehicle based on automatic supplementary material of high-rise floor fire control of claim 1, characterized in that: the combined shape of the bottom of the connecting frame (21), the main limiting block (22) and the auxiliary limiting block (23) is the same as that of the limiting groove (25), the main limiting block (22) is arc-shaped, the auxiliary limiting block (23) is rectangular, and the connecting frame (21) is connected to the fixed mounting plate (27) in a sliding mode.

Technical Field

The invention relates to the technical field of unmanned aerial vehicle fire fighting, in particular to an unmanned aerial vehicle capable of automatically supplementing materials based on high-rise building fire fighting.

Background

In recent years, along with the acceleration of urbanization progress in various countries, high-rise buildings with scale-to-bar ratio become one of the marks of urban modernization, China has become the country with the most high-rise buildings in the world, meanwhile, the floor heights of a plurality of cities are continuously refreshing historical records, compared with the design technology and development situation of the high-rise buildings with sudden rush, the research and application of the high-rise fire-fighting rescue technology are relatively laggard, the fire-fighting rescue problem is more and more prominent, when a fire disaster happens to the high-rise and super-high-rise buildings and needs to be suppressed, according to the traditional thought, the fire-fighting aerial ladder vehicle is firstly considered for building fire fighting, but the extension length of the aerial ladder of the existing fire-fighting aerial ladder vehicle is limited, the stability of the rescue work of the super-rise buildings cannot be guaranteed, and along with the rise of the unmanned aerial vehicles in recent years, unmanned aerial vehicle equipment for fire fighting of the high-rise and scientific research teams of various countries is also researching and developing the unmanned aerial vehicle, and combining the unmanned aerial vehicle can realize the urban modernization of the high-rise and the high-rise building, The fire disaster of the super high-rise building can be quickly and accurately extinguished.

Most of the existing unmanned aerial vehicles based on high-rise fire fighting have the following problems:

firstly, in the working process of a conventional unmanned aerial vehicle based on high-rise floor fire control, after fire extinguishing materials are used up, the materials cannot be automatically supplemented, and the materials need to be manually supplemented by workers, so that the working efficiency is low;

secondly, because different practical situations need to combine and use a plurality of fire extinguishing materials to extinguish a fire, the conventional fire-fighting unmanned aerial vehicle can only carry one fire extinguishing material to extinguish the fire at one time, and therefore subsequent stable fire extinguishing work cannot be carried out;

thirdly, the conventional unmanned aerial vehicle based on high-rise floor fire control can not be convenient carry out stable regulation work to the angle of spraying of fire extinguishing material in the course of the work, and then can not guarantee the stability of follow-up fire extinguishing work.

We have therefore proposed an unmanned aerial vehicle based on automatic supplementary materials for high-rise fire protection in order to solve the problems set out above.

Disclosure of Invention

The invention aims to provide an unmanned aerial vehicle capable of automatically supplementing materials based on high-rise fire control, and aims to solve the problems that the unmanned aerial vehicle based on high-rise fire control in the market cannot automatically supplement materials, cannot carry various fire extinguishing materials to perform fire extinguishing work, and cannot conveniently and stably adjust the spraying angle of the fire extinguishing materials in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: an unmanned aerial vehicle based on automatic supplementary materials for fire fighting of high-rise floors comprises an unmanned aerial vehicle body, a fire fighting nozzle, a connecting conduit and a storage box, wherein the bottom of the unmanned aerial vehicle body is fixedly welded with a fixed mounting plate, a storage isolation frame is fixedly welded on the fixed mounting plate, a limiting telescopic sleeve rod is fixedly welded in the storage isolation frame, a driving extraction pump is installed at the bottom screw of the limiting telescopic sleeve rod, a universal pipe is connected onto the driving extraction pump through a bolt, the universal pipe is installed on the storage isolation frame through a bolt, a one-way electromagnetic valve is installed on the universal pipe through a bolt, the fire fighting nozzle is installed at the top end of the universal pipe, a servo motor is fixedly welded on the fixed mounting plate, the output end of the servo motor is rotatably connected with a threaded rod, a sliding plate is movably connected onto the threaded rod, and the sliding plate is connected onto the storage isolation frame in a limiting sliding manner, the improved oil-saving spraying device is characterized in that a support rod is movably connected to the sliding plate, the top end of the support rod is movably connected to the spraying head, a connecting pipe is connected to the driving extraction pump through a bolt, a first through hole is formed in the connecting pipe, a fixing plate is fixedly welded to the connecting pipe, a rubber rod is connected to the fixing plate through a screw, the bottom end of the rubber rod is connected to the storage isolation frame through a screw, a connecting wire is connected to the fixing plate in a bolted mode, the connecting wire is connected to the guide wheel in a sliding mode, the guide wheel is installed to the storage isolation frame through a screw, the top end of the connecting wire is connected to the linking frame in a bolted mode, and the linking frame is connected to the storage isolation frame in a limiting sliding mode.

Preferably, the storage isolation frame symmetric distribution is in the left and right sides of fixed mounting panel, and the storage isolation frame passes through spacing flexible loop bar and drive extraction pump and universal pipe one-to-one to the length of spacing flexible loop bar is greater than the length that links up the frame, and the total length of spacing flexible loop bar and connecting tube is greater than the inner space height of storage isolation frame moreover.

Preferably, be threaded connection between threaded rod and the sliding plate, and the threaded rod is connected at the middle part of sliding plate to the central axis of threaded rod and the central axis of unmanned aerial vehicle body and fixed mounting panel are located same vertical center line.

Preferably, the support rod is hinged with the fire-fighting nozzle and the sliding plate, the support rod is connected to the middle of the sliding plate, and the inner end face of the sliding plate is attached to the outer end face of the storage isolation frame.

Preferably, connecting tube sliding connection is in fixed cover, and fixed sleeve welded fastening is on the storage isolation frame, the second through-hole has been seted up on the fixed sleeve, and the interior screwed connection of fixed cover has rubber packing pad.

Preferably, the first through holes are distributed on the connecting guide pipe at equal intervals, the first through holes are distributed on the connecting guide pipe at equal angles, the diameter of the connecting guide pipe is smaller than the diameter of the inner space of the fixing sleeve, the second through holes are symmetrically distributed on the left side and the right side of the fixing sleeve, and the second through holes correspond to the first through holes one to one.

Preferably, the cross section of the connecting frame is I-shaped, connecting wires are symmetrically distributed on the left side and the right side of the connecting frame, and the connecting wires and the connecting frame are distributed in parallel.

Preferably, the bottom screw that links up the frame is connected with main stopper, and the bottom screw that links up the frame is connected with vice stopper, connecting tube sliding connection is in the guide cylinder, and the bottom bolted connection of guide cylinder is on the storage box, the spacing groove has been seted up on the storage box, and the spacing inslot block joint is connected with main stopper and vice stopper.

Preferably, the combination shape of linking up a bottom, main stopper and vice stopper is the same with the shape of spacing groove, and main stopper is arc to vice stopper is the rectangle, links up a sliding connection moreover on fixed mounting panel.

Compared with the prior art, the invention has the beneficial effects that: the unmanned aerial vehicle based on the automatic supplementary material for high-rise floor fire fighting;

(1) the unmanned aerial vehicle is provided with the supporting rods, the servo motor and the threaded rod can drive the sliding plate to stably move up and down on the storage isolation frame, and the sliding plate can conveniently and quickly push the corresponding fire-fighting nozzle to adjust the spraying angle by combining the supporting rods on the two sides, so that the stability of subsequent fire-fighting work can be ensured;

(2) the unmanned aerial vehicle is provided with the connecting pipe and the fixed sleeve, when the connecting pipe moves downwards in the fixed sleeve to the storage box, the connecting pipe can close the second through hole in the fixed sleeve, the first through hole after opening at the moment can automatically and stably perform material supplement work by combining with the driving extraction pump, and when the connecting pipe returns to the state that the first through hole is coincident with the second through hole in the fixed sleeve, the driving extraction pump can stably perform fire extinguishing work by combining with the fire nozzle and using materials in the storage isolation frame, so that the use diversity and convenience of the unmanned aerial vehicle are increased, and the working efficiency of the unmanned aerial vehicle is effectively improved;

(3) this unmanned aerial vehicle is provided with main stopper and vice stopper, it is corresponding with the spacing groove to rotate unmanned aerial vehicle through the adjustment and make the combination shape of main stopper and vice stopper on its bottom links up the frame, connecting tube on the storage isolation frame of both sides storage this moment corresponds and injects the storage box that has the storage to carry out the material and supply work, and combine to use different fire extinguishing materials and can switch over the use according to actual conditions, the stability of the work of putting out a fire has been increased, unmanned aerial vehicle's safety in utilization and stability have effectively been improved simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a spacing groove structure according to the present invention;

FIG. 4 is a schematic top view of the main limiting block of the present invention;

FIG. 5 is a schematic top view of a second via according to the present invention;

FIG. 6 is a perspective view of the connecting conduit according to the present invention;

FIG. 7 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 8 is a schematic top view of the sliding panel of the present invention;

fig. 9 is a schematic view of a top view structure of the unmanned aerial vehicle body of the present invention.

In the figure: 1. an unmanned aerial vehicle body; 2. a material storage isolation frame; 3. a limiting telescopic sleeve rod; 4. driving the extraction pump; 5. a universal tube; 6. a one-way solenoid valve; 7. a fire sprinkler; 8. a servo motor; 9. a threaded rod; 10. a sliding plate; 11. a support bar; 12. connecting a conduit; 13. a first through hole; 14. fixing the sleeve; 15. a second through hole; 16. a rubber gasket; 17. a fixing plate; 18. a rubber rod; 19. a connecting wire; 20. a guide wheel; 21. a linking frame; 22. a main limiting block; 23. an auxiliary limiting block; 24. a storage box; 25. a limiting groove; 26. a guide cylinder; 27. and fixing the mounting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: an unmanned aerial vehicle based on automatic supplementary materials for fire fighting of high-rise floors comprises an unmanned aerial vehicle body 1, a storage isolation frame 2, a limiting telescopic sleeve rod 3, a driving extraction pump 4, a universal pipe 5, a one-way solenoid valve 6, a fire-fighting nozzle 7, a servo motor 8, a threaded rod 9, a sliding plate 10, a supporting rod 11, a connecting pipe 12, a first through hole 13, a fixed sleeve 14, a second through hole 15, a rubber sealing gasket 16, a fixed plate 17, a rubber rod 18, a connecting wire 19, a guide wheel 20, a linking frame 21, a main limiting block 22, an auxiliary limiting block 23, a storage box 24, a limiting groove 25, a guide cylinder 26 and a fixed mounting plate 27, wherein the fixed mounting plate 27 is welded and fixed at the bottom of the unmanned aerial vehicle body 1, the storage isolation frame 2 is welded and fixed on the fixed mounting plate 27, the limiting telescopic sleeve rod 3 is welded and fixed in the storage isolation frame 2, and the driving extraction pump 4 is installed on the bottom of the limiting telescopic sleeve rod 3 by screws, the driving extraction pump 4 is connected with a universal pipe 5 through a bolt, the universal pipe 5 is installed on a storage isolation frame 2 through a bolt, a one-way electromagnetic valve 6 is installed on the universal pipe 5 through a bolt, a fire-fighting nozzle 7 is installed on the top end of the universal pipe 5 through a bolt, a servo motor 8 is fixedly welded on a fixed installation plate 27, the output end of the servo motor 8 is rotatably connected with a threaded rod 9, a sliding plate 10 is movably connected on the threaded rod 9, the sliding plate 10 is connected on the storage isolation frame 2 in a limiting sliding mode, a support rod 11 is movably connected on the sliding plate 10, the top end of the support rod 11 is movably connected on the fire-fighting nozzle 7, a connecting pipe 12 is connected on the driving extraction pump 4 through a bolt, a first through hole 13 is formed in the connecting pipe 12, a fixed plate 17 is fixedly welded on the connecting pipe 12, a rubber rod 18 is connected on the fixed plate 17 through a screw, and the bottom end of the rubber rod 18 is connected in the storage isolation frame 2 through a screw, the connecting wire 19 is bolted on the fixing plate 17, the connecting wire 19 is slidably connected to the guide wheel 20, the guide wheel 20 is mounted in the storage isolation frame 2 through screws, the top end of the connecting wire 19 is bolted on the engagement frame 21, and the engagement frame 21 is slidably connected to the storage isolation frame 2 in a limiting mode.

Storage isolation frame 2 symmetric distribution is in the left and right sides of fixed mounting panel 27, and storage isolation frame 2 is through spacing flexible loop bar 3 and drive extraction pump 4 and 5 one-to-one of universal pipe to the length of spacing flexible loop bar 3 is greater than the length that links up frame 21, and the total length of spacing flexible loop bar 3 and connecting tube 12 is greater than the inner space height of storage isolation frame 2 moreover, can effectively avoid spacing flexible loop bar 3 to the harmful effects of connecting tube 12.

Threaded connection is between threaded rod 9 and the sliding plate 10, and threaded rod 9 connects the middle part at sliding plate 10 to the central axis of threaded rod 9 and the central axis of unmanned aerial vehicle body 1 and the central axis of fixed mounting board 27 are located same vertical central line, can conveniently control the stability of sliding plate 10 operating condition on threaded rod 9, have increased unmanned aerial vehicle's use variety.

Be articulated between bracing piece 11 and fire control shower nozzle 7 and the sliding plate 10, and bracing piece 11 is connected at the middle part of sliding plate 10 to the interior terminal surface of sliding plate 10 laminates mutually with the outer terminal surface of storage isolation frame 2, can guarantee the stability of connected state between bracing piece 11 and fire control shower nozzle 7 and the sliding plate 10, has increased unmanned aerial vehicle's use variety.

Connecting tube 12 sliding connection is in fixed sleeve 14, and fixed sleeve 14 welded fastening has seted up second through-hole 15 on fixed sleeve 14 on the storage isolation frame 2, and the screw connection has rubber packing pad 16 in fixed sleeve 14, can guarantee the stability of rubber packing pad 16 work effect in fixed sleeve 14.

First through-hole 13 equidistance distributes on connecting pipe 12, and angular distribution such as first through-hole 13 is on connecting pipe 12, and connecting pipe 12's diameter is less than the inner space diameter of adapter sleeve 14, and adapter sleeve 14's left and right sides symmetric distribution has second through-hole 15, second through-hole 15 and first through-hole 13 one-to-one simultaneously, can guarantee to carry out the coincidence dislocation through combining second through-hole 15 and first through-hole 13 and accomplish and open the work of closing, unmanned aerial vehicle's work efficiency has been increased.

The transversal "worker" font of personally submitting of linking up frame 21, and the left and right sides symmetric distribution that links up frame 21 has connecting wire 19 to connecting wire 19 and linking are parallel distribution between the frame 21, can guarantee to link up frame 21 and can drive connecting wire 19 and carry out stable work of dragging, have increased unmanned aerial vehicle's job stabilization nature.

The bottom end screw connection that links up frame 21 has main stopper 22, and the bottom end screw connection that links up frame 21 has vice stopper 23, connecting tube 12 sliding connection is in guide cylinder 26, and the bottom bolted connection of guide cylinder 26 is on storage box 24, has seted up spacing groove 25 on the storage box 24, and the clamping connection has main stopper 22 and vice stopper 23 in spacing groove 25, can guarantee vice stopper 23 and main stopper 22 in the stability of the bottom operating condition who links up frame 21.

The combination shape that links up frame 21 bottom, main stopper 22 and vice stopper 23 is the same with spacing groove 25's shape, and main stopper 22 is arc to vice stopper 23 is the rectangle, links up frame 21 sliding connection on fixed mounting panel 27 in addition, can guarantee to link up frame 21 bottom, main stopper 22 and vice stopper 23 can carry out stable spacing block work in spacing groove 25, and then can guarantee the stability of follow-up block work.

The working principle is as follows: before the unmanned aerial vehicle based on the automatic supplementary material for high-rise fire fighting is used, the whole condition of the unmanned aerial vehicle needs to be checked firstly, and the unmanned aerial vehicle can work normally;

in the working process of the unmanned aerial vehicle body 1, with reference to fig. 1-4 and 9, when material supplement work needs to be performed, the unmanned aerial vehicle body 1 is controlled to move to a position right above the storage box 24, and at this time, a worker can control the unmanned aerial vehicle body 1 to perform adjustment work until the combined shape of the main stopper 22 and the auxiliary stopper 23 on the connecting frame 21 at the bottom of the unmanned aerial vehicle body 1 corresponds to the stopper groove 25 on the storage box 24, and at this time, the unmanned aerial vehicle body 1 moves downwards and falls onto the storage box 24, and in the downward movement process of the unmanned aerial vehicle body 1, the storage box 24 can push the connecting frame 21 at the bottom of the unmanned aerial vehicle body 1 to move upwards relative to the unmanned aerial vehicle body 1, at this time, the connecting lines 19 at two sides of the top of the connecting frame 21 can drive the corresponding fixing plates 17 to move downwards in combination with the guide wheels 20, and at this time, the fixing plates 17 can drive the connecting pipes 12 to pass through the guide cylinders 26 to correspondingly insert into the storage boxes 24 in which different materials are stored, the automatic supplement work of subsequent materials is facilitated;

after the connecting pipe 12 moves downwards into the storage box 24, with reference to fig. 1-6, the first through hole 13 on the connecting pipe 12 is separated from the fixed sleeve 14 to complete opening, meanwhile, the upper part of the connecting pipe 12 moves downwards into the fixed sleeve 14 and blocks the second through hole 15 on the fixed sleeve 14 to close, at this time, a worker can control to open the one-way electromagnetic valve 6 at the bottom of the universal pipe 5, then the extraction pump 4 is driven to extract materials by combining the first through hole 13 on the connecting pipe 12 with the fixed sleeve 14, and the materials are conveyed into the storage isolation frame 2 by the one-way electromagnetic valve 6 at the bottom of the universal pipe 5, after extraction is finished, the worker can control to close the one-way electromagnetic valve 6 at the bottom of the universal pipe 5, then the unmanned aerial vehicle body 1 moves upwards to be separated from the storage box 24, at this time, the rubber rod 18 can drive the connecting pipe 12 to move upwards to the original position by combining with the fixed plate 17, the connecting wire 19 and the connecting frame 21 can be driven to return to the original position to be convenient for the next work, at the moment, the first through holes 13 of the connecting guide pipe 12 from top to both sides coincide with the second through holes 15 on the fixed sleeve 14, at the moment, a worker can control to open the one-way electromagnetic valve 6 at the top of the universal pipe 5, at the moment, the driving extraction pump 4 is combined with the first through holes 13 on the connecting guide pipe 12 and the second through holes 15 on the fixed sleeve 14 to extract and convey materials into the universal pipe 5, the fire extinguishing work can be carried out through the fire nozzle 7, and the fixed sleeve 14 is combined with the rubber sealing gasket 16 to ensure the stability of the sealing work between the connecting guide pipe 12 and the fixed sleeve 14;

in addition, in the working process of the fire-fighting nozzle 7, with reference to fig. 1 and 7-9, a worker can control to open the servo motor 8, at this time, the servo motor 8 can drive the threaded rod 9 to rotate in the forward direction or the reverse direction, and under the rotation action of the threaded rod 9, the sliding plate 10 can be driven to perform stable upper and lower limit sliding work on the storage isolation frame 2, at this time, the sliding plate 10 can conveniently and quickly push the fire-fighting nozzle 7 on the corresponding universal pipe 5 to perform adjustment work of the injection angle by combining the support rods 11 at two sides in the movement process, so as to ensure the stability of the subsequent fire-fighting work, which is the working process of the whole unmanned aerial vehicle, and the content not described in detail in the specification, such as the unmanned aerial vehicle body 1, the driving extraction pump 4, the universal pipe 5, the one-way electromagnetic valve 6, the fire-fighting nozzle 7 and the servo motor 8, are well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.