WO2020253622A1

WO2020253622A1 - Fire-fighting and disaster relief unmanned aerial vehicle

Info

Publication number: WO2020253622A1
Application number: PCT/CN2020/095692
Authority: WO
Inventors: 李坤煌; 和瑞江; 周理嘉; 陈泽楠
Original assignee: 深圳高度创新技术有限公司
Priority date: 2019-06-18
Filing date: 2020-06-12
Publication date: 2020-12-24
Also published as: CN110271669B; CN110271669A

Abstract

The present invention belongs to the technical field of unmanned aerial vehicles, and in particular relates to a fire-fighting and disaster relief unmanned aerial vehicle, comprising a main fuselage, a fixing frame and a bomb release device. The fixing frame is arranged at the lower end of the main fuselage. The bomb release device comprises a transverse pull rod, and two bomb release mechanisms for releasing a fire-extinguishing bomb, wherein the transverse pull rod is arranged on the fixing frame and passes between the main fuselage and the fixing frame, and the two bomb release mechanisms are respectively arranged at two ends of the transverse pull rod. In this way, the two bomb release mechanisms can be securely installed relative to the main fuselage by means of being arranged at the two ends of the transverse pull rod. Thus, when a fire occurs at the top of a high-rise building, the unmanned aerial vehicle, which is provided with the bomb release mechanisms, can fly to the top of the high-rise building and release fire-extinguishing bombs by means of the bomb release mechanisms so as to carry out a fire extinguishing operation. Since the unmanned aerial vehicle can quickly fly to the top of the high-rise building, the time needed to deal with the fire is significantly reduced, and the fire extinguishing efficiency is effectively improved when a fire disaster occurs at the top of a high-rise building.

Description

Fire rescue drone

Technical field

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a firefighting and disaster relief drone.

Background technique

In recent years, with the gradual acceleration of urbanization, the number of high-rise buildings in cities has also been increasing. The fire protection problem of high-rise buildings has also attracted widespread attention. At present, the fire protection of high-rise buildings mainly relies on the sprinkler system and fire hydrant system in the building.

However, when a fire occurs on a high-rise top floor or a high floor, due to factors such as water pressure and floor height, it is often difficult for the fire fighting force to reach the fire place in time. Rescuers often take a long time to carry out fire fighting operations, resulting in lower fire fighting efficiency.

technical problem

The purpose of the present invention is to provide a firefighting and disaster relief drone, which aims to solve the technical problem of low fire extinguishing efficiency when a fire occurs on the top floor or high floor of a high-rise building in the prior art.

Technical solutions

In order to achieve the above objective, the technical solution adopted by the present invention is: a firefighting and disaster relief drone, including a main body, a fixing frame and a bombing device, the fixing frame is arranged at the lower end of the main body, and the bombing device includes a horizontal Tie rods and two bombing mechanisms for putting fire extinguishing bombs, the transverse tie rods are arranged on the fixed frame and penetrate between the main body and the fixed frame, and the two bombing mechanisms are respectively arranged in the transverse direction Both ends of the tie rod.

Further, both ends of the transverse pull rod are provided with fixed claws, and the upper ends of the two bombing mechanisms are both provided with handles, and the fixed claws are connected with the corresponding handles through bolts.

Further, the projecting mechanism is provided with at least one claw-hooking member on one side facing the fixing frame, and each of the claw-hooking members is set on the lower end of the fixing frame.

Further, the bomb ejection mechanism includes a cover plate, a cartridge for accommodating the fire extinguishing bomb, a mounting seat and a limit mechanism, the cover plate is arranged on the upper end of the cartridge, and the The cover part is provided with a loading port corresponding to the position of the cartridge, the handle is arranged on the cover part, each of the claw parts is arranged on the mounting seat, the mounting seat Is arranged at the lower end of the cartridge, and the mounting seat is provided with a bullet ejection port corresponding to the position of the cartridge, and the limit mechanism is provided in the mounting seat and is used to store the bullet when the ejection mechanism is In the state, the fire extinguishing bomb is confined in the storage cylinder, and the bomb ejection mechanism is used to release the limit on the fire extinguishing bomb when the bomb ejection mechanism is in the bomb release state.

Further, the bombing mechanism further includes a plurality of fixed rods, and each of the fixed rods is connected between the cover member and the mounting seat.

Further, the limit mechanism includes a driving mechanism, a moving ring ring, and a plurality of toggle levers, each of the toggle levers is rotatably mounted on the outer peripheral edge of the bullet opening through a rotating pin, and the moving ring ring It is arranged on the outer peripheral edge of the projectile opening and can rotate relative to the projectile opening, each of the toggle levers is rotatably connected with the moving ring member, and the drive mechanism is connected with any of the toggle levers And can drive the toggle lever to rotate relative to the corresponding rotation pin, and the toggle lever is used to drive the remaining toggle levers through the moving coil ring under the drive of the driving mechanism Rotate to the inside of the bullet opening or the outside of the bullet opening.

Further, the toggle lever includes a first bending lever section and a second bending lever section, and the connecting part of the first bending lever section and the second bending lever section passes through the corresponding rotating pin It is rotatably installed on the outer peripheral edge of the bullet opening.

Further, one end of the first bending rod section is rotatably connected to the moving ring member, and one end of the second bending rod section away from the connecting portion forms a limit for contacting the fire extinguishing bomb. At the end, the length of the first bending rod section is smaller than the second bending rod section.

Further, the limiting mechanism further includes a fixed-coil ring, the fixed-coil ring is arranged around the outer peripheral edge of the bullet opening and is located in the moving-coil ring, and each of the toggle levers passes through The rotating pin is rotatably mounted on the fixed ring ring.

Further, the driving mechanism includes a driving steering gear and a connecting rod, the driving steering gear is arranged in the mounting seat, the driving end of the driving steering gear is fixedly connected to one end of the connecting rod, and the connecting rod The other end of is connected to any of the toggle levers;

Alternatively, the connecting rod is rotatably installed in the mounting seat, the driving end of the driving steering gear is rotatably connected to one end of the connecting rod, and the other end of the connecting rod is connected to any of the toggle rods .

Beneficial effect

The beneficial effects of the present invention: the fire-fighting and disaster relief drone of the present invention sets up a fixed frame under the mainframe, and makes the horizontal pull rod of the bombing device penetrate between the fixed frame and the main body, thus setting up the two bombing mechanism The platform is fixed, so that the two bombing mechanisms can be installed on the two ends of the transverse rod to achieve a stable installation relative to the main body. In this way, when a fire occurs on the top of a high-rise building, the drone equipped with a bombing mechanism can fly to the top of the high-rise building, and use the bombing mechanism to release fire extinguishing bombs to carry out fire fighting operations. Because the drone can fly relatively quickly It reaches the top of the high-rise building, which significantly saves the time of fire disposal and effectively improves the fire extinguishing efficiency when a fire occurs on the top of the high-rise building.

Description of the drawings

In order to explain the technical solutions in the embodiments of the present invention more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only of the present invention. For some embodiments, for those of ordinary skill in the art, other drawings can be obtained from these drawings without creative labor.

Figure 1 is a schematic structural diagram of a firefighting and disaster relief drone provided by an embodiment of the present invention;

Figure 2 is a partial enlarged view of A in Figure 1;

3 is a schematic diagram of the explosion structure of the firefighting and disaster relief drone provided by an embodiment of the present invention;

4 is a schematic structural diagram of a bombing mechanism of a firefighting and disaster relief drone provided by an embodiment of the present invention;

5 is a schematic diagram of the explosive structure of the bombing mechanism of the firefighting and disaster relief drone provided by an embodiment of the present invention;

Fig. 6 is a schematic diagram of a part of the structure of the mounting seat of the bombing mechanism provided by the embodiment of the present invention.

Among them, the reference signs in the figure:

10—Main body 20—Fixed frame 21—Support rod

30—Bomb dropping device 31—Horizontal tie rod 32—Bomb Dropping Mechanism

33—Fixed rod 34—Drive mechanism 35—Moving coil ring

36—Toggle lever 37—Fixed ring ring 311—Fixed claw

312—bolt parts 321—handle parts 322-Bomb Drop

323-Claws 324-Cover plate 325-Cartridge

326—Mounting seat 327—Limiting mechanism 328—Loading port

341—Drive the steering gear 342—Connecting rod 361—The first bending bar section

362—Second bending rod section.

The best mode of the invention

Type here a paragraph describing the best mode of the invention.

Embodiments of the invention

The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to FIGS. 1 to 6 are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, not It indicates or implies that the pointed device or element must have a specific orientation, be configured and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more than two, unless specifically defined otherwise.

In the present invention, unless otherwise clearly defined and defined, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood according to specific circumstances.

As shown in FIGS. 1 to 3, embodiments of the present invention provide a firefighting and disaster relief drone, which includes a main body 10, a fixing frame 20, and a bombing device 30. Wherein, the fixing frame 20 is arranged at the lower end of the main body 10, specifically, the fixing frame 20 is detachably arranged at the lower end of the main body 10, and the fixing frame 20 is preferably arranged on the main body 10 through an aviation plug 312 through a pin connection. At the lower end, this can facilitate the quick assembly and disassembly of the main body 10 and the fixing frame 20.

Further, the bombing device 30 includes a horizontal rod 31 and two bombing mechanisms 32 used to release fire extinguishing bombs. The horizontal rod 31 is arranged on the fixing frame 20 and passing through between the main body 10 and the fixing frame 20. The two bombing mechanisms 32 are respectively Set at both ends of the transverse rod 31. Preferably, the two bomb dropping mechanisms 32 are symmetrically arranged at the two ends of the transverse rod 31 relative to the main body 10, so as to ensure the overall balance of the firefighting and disaster relief drone. It is helpful for the firefighting and disaster relief drone to maintain the stability of its flight attitude.

The following is a further description of the firefighting and disaster relief drone provided by the embodiment of the present invention: the firefighting and disaster relief drone provided by the embodiment of the present invention is provided with a fixing frame 20 under the main engine, and the transverse rod 31 of the bombing device 30 penetrates the fixed frame. Between the frame 20 and the main body 10, the fixed platform of the two bombing mechanisms 32 is erected, so that the two bombing mechanisms 32 can be installed on the two ends of the transverse rod 31 to achieve a stable installation relative to the main body 10. In this way, when a fire occurs on the top of a high-rise building, the drone equipped with the bombing mechanism 32 can fly to the top of the high-rise building, and the bombing mechanism 32 can be used to release fire extinguishing bombs to carry out fire fighting operations. The ground flies to the top of the high-rise building, which significantly saves the time for fire disposal and effectively improves the efficiency of fire extinguishing when a fire occurs on the top of the high-rise building.

In another embodiment of the present invention, as shown in FIGS. 1 to 3, both ends of the transverse pull rod 31 are provided with fixed claws 311, and the upper ends of the two projecting mechanisms 32 are provided with handles 321, and the fixed claws 311 pass through the bolts. The piece 312 is connected to the corresponding handle piece 321. Specifically, by connecting the fixed pawl 311 and the handle 321 through the bolt 312, the quick disassembly and assembly performance of the bombing mechanism 32 with respect to the transverse rod 31 is significantly improved. Preferably, the latch member 312 is a quick-insertion safety pin, because the quick-insertion safety pin only needs to be inserted to the preset position by pressing the button, and the button is released to ensure the insertion stability of the quick-insertion safety pin. This further enhances the quick disassembly and assembly performance of the bombing mechanism 32 relative to the transverse rod 31. Further, the fixed claw 311 is grasped on one vertical rod of the handle 321, and the latch member 312 is inserted through the fixed claw 311 and the one vertical rod of the handle 321 to connect the fixed claw 311 and the handle 321. 321 connection is simple and quick.

In another embodiment of the present invention, as shown in FIG. 4, the projectile mechanism 32 is provided with at least one pawl member 323 facing the fixing frame 20. Each pawl member 323 is set on the lower end of the fixing frame 20. Specifically, a supporting rod 21 is provided at the lower end of the fixing frame 20, and each grasping member is laid on the supporting rod 21. By arranging the claw member 323, the clasp member is set on the lower end of the fixed frame 20, so that the clasp member can cooperate with the fixed claw 311 to realize the limitation of the ejection mechanism 32 with respect to the fixed frame 20 in six degrees of freedom, so that the ejection mechanism 32 can be installed on the drone more firmly. Since the catching member is only laid on the lower end of the fixing frame 20, when the projectile mechanism 32 is fixed, the catching member is first laid on the lower end of the fixing frame 20, and then the fixing claw 311 and the handle 321 are connected to each other through the latch member 312. Connection, so that the bombing mechanism 32 can be easily and reliably installed on the transverse rod 31 and the fixing frame 20.

In another embodiment of the present invention, as shown in Figures 4-6, the bombing mechanism 32 includes a cover plate 324, a cartridge 325 for containing fire-extinguishing bombs, a mounting seat 326, and a limit mechanism 327. The cover plate The member 324 is arranged on the upper end of the cartridge 325, and the cover member 324 is provided with a loading port 328 corresponding to the position of the cartridge 325, the handle 321 is disposed on the cover member 324, and the mounting seat 326 is disposed on the cartridge The lower end of the 325, and the mounting seat 326 is provided with a bomb ejection port 322 corresponding to the position of the cartridge 325, and the limit mechanism 327 is arranged in the mounting seat 326 and is used to limit the fire extinguishing bomb to the cartridge when the bomb ejection mechanism 32 is in the bomb state. 325, and the bombing mechanism 32 is used to release the limit on the fire extinguishing bomb when the bombing mechanism 32 is in the bombing state. Specifically, the number of the cartridge 325 and the limiting mechanism 327 is not unique, that is, multiple cartridges 325 can be mounted on the mounting base 326, and the mounting base 326 can be correspondingly provided with multiple ejection ports 322.

However, the bombing mechanism 32 provided by the embodiment of the present invention is provided with a storage cylinder 325, and the storage cylinder 325 is installed on the mounting seat 326, and at the same time, a limit mechanism 327 is provided in the mounting seat 326, so that when the bombing mechanism 32 does not need to drop bombs During operation, the limit mechanism 327 can limit the fire extinguishing bombs in the cartridge 325 to the cartridge 325. When the bomb dropping mechanism 32 needs to perform bomb dropping and fire extinguishing operations, only the limit mechanism 327 needs to release the limit on the fire extinguishing bombs in the cartridge 325, so that each fire extinguishing bomb is dropped from the bomb dropping port 322 one by one. The bombing mechanism 32 efficiently dropped bombs. In addition, because the cartridge 325 can hold more fire extinguishing bombs at a time, the storage quantity of fire extinguishing bombs is significantly increased, and the continuous bomb dropping ability of the bomb dropping mechanism 32 is also improved, and the fire extinguishing ability of the bomb dropping mechanism 32 is significantly improved.

In another embodiment of the present invention, as shown in FIG. 4, the bombing mechanism 32 further includes a plurality of fixing rods 33, and each fixing rod 33 is connected between the cover member 324 and the mounting seat 326. Specifically, by arranging a plurality of fixing rods 33, each fixing rod 33 can connect the cover member 324 and the mounting seat 326, thereby significantly improving the overall strength of the bombing mechanism 32.

In another embodiment of the present invention, as shown in FIG. 5, each fixing rod 33 is ringed around the outer circumference of the cartridge 325. Specifically, by making each fixing rod 33 ring around the outer circumference of each cartridge 325, each fixing rod 33, together with the cover member 324 and the mounting seat 326, forms a cage structure, which further improves the projectile mechanism 32. The overall strength, on the other hand, also forms an effective protection for the cartridge 325, thereby making the fire extinguishing bomb contained in the cartridge 325 safer.

In another embodiment of the present invention, as shown in FIG. 6, the limit mechanism 327 includes a driving mechanism 34, a moving ring member 35 and a plurality of toggle levers 36. Each toggle lever 36 is rotatably mounted on the projectile via a rotating pin. On the outer peripheral edge of the opening 322, the moving-coil ring member 35 is ringed on the outer peripheral edge of the projectile opening 322 and can rotate relative to the projecting port 322. Each toggle lever 36 is rotatably connected with the moving-coil ring member 35, and the driving mechanism 34 is connected to any The toggle lever 36 is connected and can drive the toggle lever 36 to rotate relative to the corresponding rotation pin. The toggle lever 36 is used to drive the rest of the toggle lever 36 to rotate through the moving coil ring 35 under the drive of the driving mechanism 34 To the inside of the bullet port 322 or the outside of the bullet port 322. Specifically, when the limit mechanism 327 is working, the driving mechanism 34 can be connected to any one of the toggle levers 36, and drive the toggle lever 36 to rotate relative to the corresponding rotating pin. The rod 36 is rotatably connected with the outer peripheral edge of the bullet opening 322 and the moving ring member 35. The moving ring member 35 can rotate relative to the bullet opening 322. Then the toggle lever 36 can be driven during the rotation process. The ring member 35 rotates, and the moving ring member 35 can drive other toggle levers 36 to rotate during the rotation, and finally realize the overall linkage of all toggle levers 36, so that the driving mechanism 34 can drive only one toggle The lever 36 can drive all the toggle levers 36 to rotate to the inside of the bombing port 322 or the outside of the bombing port 322, and when all the toggle levers 36 rotate to the inside of the bombing port 322, the storage barrel 325 can be set The fire extinguishing bomb causes a position limit, and the fire extinguishing bomb cannot pass through the bomb delivery port 322 freely under the interference of the toggle lever 36. When all the toggle levers 36 are rotated to the outside of the bullet ejection port 322, the limit of the fire extinguishing bomb provided inside the cartridge 325 can be released at this time, and the fire extinguishing bomb can be freely dropped through the bullet ejection port 322 to the outside.

In another embodiment of the present invention, as shown in FIG. 6, the toggle lever 36 includes a first bending lever section 361 and a second bending lever section 362, and the first bending lever section 361 and the second bending lever The connecting part of the segment 362 is rotatably mounted on the outer peripheral edge of the bullet-projection port 322 through a corresponding rotating pin. Specifically, by making the toggle lever 36 include a first bending lever segment 361 and a second bending lever segment 362, the toggle lever 36 is bent as a whole, so that it can be turned faster when it is turned The exterior or interior of the port 322 reduces the work done by the drive mechanism 34 to drive the toggle lever 36 on the one hand, and saves the energy consumption of the drive mechanism 34. On the other hand, it also makes the overall structure of the limit mechanism 327 more compact. .

In another embodiment of the present invention, as shown in FIG. 6, one end of the first bending rod section 361 is rotatably connected to the moving ring member 35, and the end of the second bending rod section 362 away from the connecting portion is formed for connecting with At the limit end where the fire extinguishing bomb abuts, the length of the first bending rod section 361 is smaller than the second bending rod section 362. Specifically, by making one end of the first bending rod section 361 rotatably connected to the moving ring member 35, the end of the second bending rod section 362 facing away from the connecting portion forms a limit end for abutting against the fire extinguishing bomb. From the perspective of functionality, the toggle lever 36 is clearly functionally divided.

In another embodiment of the present invention, as shown in FIG. 6, the length of the first bending rod section 361 is smaller than the second bending rod section 362. Specifically, by making the length of the first bending rod section 361 smaller than the second bending rod section 362, since the second bending rod section 362 is the main functional rod section that actually extends into the bombing opening 322 for position limitation, In this way, the moment generated by the second bending rod section 362 will be increased, so that when the toggle lever 36 rotates, the second bending rod section 362 can be more easily rotated into the bombing opening 322. Thus, the power consumption of the driving mechanism 34 is further reduced.

In another embodiment of the present invention, as shown in FIG. 6, the limiting mechanism 327 further includes a fixed ring member 37, which is arranged around the outer peripheral edge of the bullet opening 322 and is located in the moving ring member 35 , Each of the toggle levers 36 is rotatably mounted on the fixed ring member 37 through a rotating pin. Specifically, by providing the fixed-coil ring 37, on the one hand, an installation platform is provided for each toggle lever 36, which eliminates the problem that occurs when the toggle lever 36 is simultaneously connected to the outer peripheral edge of the bullet opening 322 and the moving coil ring 35. Height difference. On the other hand, it also provides an effective limit for the moving ring 35, so that when the moving ring 35 rotates relative to the bullet opening 322, it can be effectively limited by the fixed ring 37 and always keep its rotation track. There is a deviation. In this way, the overall operating stability and accuracy of the limit mechanism 327 are improved.

In another embodiment of the present invention, as shown in FIG. 6, the driving mechanism 34 includes a driving steering gear 341 and a connecting rod 342, the driving steering gear 341 is arranged in the mounting seat 326, and the driving end of the driving steering gear 341 and the connecting rod One end of the 342 is fixedly connected, and the other end of the connecting rod 342 is connected with any toggle rod 36. Specifically, by setting the driving steering gear 341 and the connecting rod 342, the driving steering gear 341 can drive the connecting rod 342 to move the toggle lever 36 to swing, thereby realizing the overall operation of the limit mechanism 327.

In another embodiment of the present invention, as shown in FIG. 6, another installation method of the connecting rod 342 is to be rotatably installed in the mounting seat 326, and the driving end of the driving steering gear 341 is rotatably connected with one end of the connecting rod 342, The other end of the connecting rod 342 is connected to any toggle rod 36. Specifically, by making the connecting rod 342 rotatably installed in the mounting base 326, the driving end of the driving steering gear 341 and one end of the connecting rod 342 are rotationally connected, so that the connecting rod 342 has a rotational moment, thereby making it and the driving steering gear 341 The transmission coordination between them becomes efficient, which can significantly save the driving force for driving the steering gear 341.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. Inside.

Industrial applicability

Type a paragraph describing industrial applicability here.

Sequence Listing Free Content

Type here the free content description paragraph of the sequence listing.

Claims

A firefighting and disaster relief drone, which is characterized in that it comprises a main body, a fixing frame and a bombing device, the fixing frame is arranged at the lower end of the main body, and the bombing device includes a horizontal rod and two fire-fighting bombs. The bomb ejection mechanism, the horizontal pull rod is arranged on the fixed frame and penetrates between the main body and the fixed frame, and the two bomb ejection mechanisms are respectively arranged at two ends of the horizontal pull rod.
The firefighting and disaster relief drone according to claim 1, characterized in that: both ends of the transverse pull rod are provided with fixed claws, the upper ends of the two bombing mechanisms are provided with handles, and the fixed claws pass through bolts. Pieces are connected with the corresponding handle pieces.
The firefighting and disaster relief drone according to claim 2, characterized in that: the bombing mechanism is provided with at least one pawl member on the side facing the fixing frame, and each of the pawl members is set on the fixing frame The lower end.
The firefighting and disaster relief drone according to claim 3, characterized in that: the bombing mechanism includes a cover plate, a cartridge for accommodating the fire extinguishing bomb, a mounting seat and a limit mechanism, the cover plate Is arranged on the upper end of the cartridge, and the cover member is provided with a loading port corresponding to the position of the cartridge, the handle is disposed on the cover member, and each of the claws The parts are all arranged on the mounting seat, the mounting seat is arranged at the lower end of the cartridge, and the mounting seat is provided with a projectile opening corresponding to the position of the cartridge, and the limiting mechanism is arranged on the The mounting seat is used to limit the fire extinguishing bombs in the storage barrel when the bombing mechanism is in the bombing state, and the bombing mechanism is used to release the control of the bomb when the bombing mechanism is in the bombing state. Limit of fire extinguishing bomb.
The firefighting and disaster relief drone according to claim 4, wherein the bombing mechanism further comprises a plurality of fixed rods, and each of the fixed rods is connected between the cover member and the mounting seat.
The fire-fighting and disaster relief drone according to claim 4, characterized in that: the limit mechanism includes a driving mechanism, a moving ring and a plurality of toggle levers, each of the toggle levers is rotatably installed at all via a rotating pin The outer peripheral edge of the bullet ejection port, the moving coil ring member is arranged around the outer peripheral edge of the bullet ejection port and can rotate relative to the bullet ejection port, each of the toggle levers is rotatably connected with the moving coil ring member, The driving mechanism is connected to any one of the toggle levers and can drive the toggle lever to rotate relative to the corresponding rotation pin, and the toggle lever is used to pass through under the drive of the driving mechanism The moving coil ring drives the remaining toggle levers to rotate to the inside of the bullet opening or the outside of the bullet opening.
The firefighting and disaster relief drone according to claim 6, wherein the toggle lever includes a first bending lever section and a second bending lever section, the first bending lever section and the second bending lever section The connecting part of the bending rod section is rotatably mounted on the outer peripheral edge of the bullet ejection port through the corresponding rotating pin.
The firefighting and disaster relief drone according to claim 7, wherein one end of the first bending rod section is rotatably connected to the moving ring member, and the second bending rod section faces away from the connecting portion One end of is formed as a limit end for abutting with the fire extinguishing bomb, and the length of the first bending rod section is smaller than the second bending rod section.
The firefighting and disaster relief drone according to any one of claims 6 to 8, characterized in that: the limiting mechanism further comprises a fixed ring, and the fixed ring is arranged around the outer peripheral edge of the bullet opening And is located in the moving ring ring member, and each of the toggle levers is rotatably mounted on the fixed ring ring member through the rotating pin.
The firefighting and disaster relief drone according to any one of claims 6 to 8, wherein the driving mechanism includes a driving steering gear and a connecting rod, the driving steering gear is arranged in the mounting seat, and the driving The driving end of the steering gear is fixedly connected to one end of the connecting rod, and the other end of the connecting rod is connected to any one of the toggle rods;

Alternatively, the connecting rod is rotatably installed in the mounting seat, the driving end of the driving steering gear is rotatably connected to one end of the connecting rod, and the other end of the connecting rod is connected to any of the toggle rods .