CN114379781B

CN114379781B - Unmanned aerial vehicle for fire rescue

Info

Publication number: CN114379781B
Application number: CN202210298485.1A
Authority: CN
Inventors: 陈圣杰; 陈杰
Original assignee: Nanjing Kenlun Electronic Technology Co ltd; Xi'an Outstanding Technology Co ltd
Current assignee: Hunan Plant Protection Uav Technology Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-06-14
Anticipated expiration: 2042-03-25
Also published as: CN114379781A

Abstract

The invention belongs to the technical field of fire rescue unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle for fire rescue, which comprises a machine body, a launching mechanism and a winding mechanism, wherein a storage pipe is installed at the lower end of the machine body, a through groove is formed in the lower part of one end of the storage pipe, an arc-shaped plate is installed at one end of the storage pipe and close to the through groove, an electric push rod is installed at one end of the storage pipe close to the through groove, and one end of the storage pipe close to the arc-shaped plate is installed at the launching mechanism. According to the invention, through the structural design of the launching mechanism, the rescue package can be effectively and quickly launched to the residents on the high-rise fire scene, so that trapped people can utilize the rescue package to save themselves, and the rescue efficiency is improved; by matching the winding mechanism and the arc-shaped plate, the rescue package can be effectively released to a fire scene from high altitude, the manner of releasing the rescue package is improved, and the fire scene can be adapted to different fire scenes; through the structural design who prescribes a limit to the subassembly, can change the input mode of rescue package effectively through the positive and negative rotation of control motor.

Description

Unmanned aerial vehicle for fire rescue

Technical Field

The invention belongs to the technical field of fire rescue unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle for fire rescue.

Background

In recent years, with the rapid development of economic construction and the improvement of the living standard of people, in social life, fire disasters threaten public safety and harm lives and properties of people, and various fire-fighting products are also in use. Unmanned aerial vehicle also gets into everybody's field of vision gradually, and wherein industrial level unmanned aerial vehicle also applies gradually among each field, plays the effect of oneself, especially uses the high-risk field of fire control as the owner, uses unmanned aerial vehicle to replace partial manpower action, and its importance is self-evident to the fire control trade. In China, many fire-fighting institutions use unmanned aerial vehicles to successfully carry out fire scene investigation monitoring, throwing rescue goods and materials and other attempts, and the effect is very obvious. With the continuous development of cities, high-rise buildings are all the same. Once a high-rise building encounters an unexpected catastrophic problem (particularly a fire), the elevator cannot be used usually, so that rescue workers cannot reach a floor where the disaster happens quickly, and rescued people cannot escape quickly within a limited time.

Present fire rescue unmanned aerial vehicle, the most can not be effectual to the scene of a fire rescue the input of package, the input mode is comparatively single, common input mode mainly divide into launch formula and air-drop formula, and can only assemble one of them input device on the unmanned aerial vehicle of rescue usefulness mostly, and at the in-process of rescue, there often has proruption, it can satisfy the rescue demand to be not single input, consequently, there is great defect still about this phenomenon of input rescue in present unmanned aerial vehicle rescue field.

Disclosure of Invention

The invention aims to provide an unmanned aerial vehicle for fire rescue and a using method thereof, which can effectively release a rescue bag in a fire scene, can utilize one device to complete multiple release modes, can adapt to different fire environments and improve the rescue efficiency.

The technical scheme adopted by the invention is as follows:

an unmanned aerial vehicle for firefighting rescue, comprising:

the device comprises a machine body, wherein a storage pipe is arranged at the lower end of the machine body, a through groove is formed in the lower part of one end of the storage pipe, an arc-shaped plate is arranged at one end of the storage pipe and close to the through groove, and an electric push rod is arranged at one end of the storage pipe close to the through groove;

the launching mechanism is arranged at one end, close to the arc-shaped plate, of the storage pipe and is used for launching the rescue package in the storage pipe;

the winding mechanism is installed at the lower end of the launching mechanism and connected with the arc plate, and the winding mechanism is used for driving the arc plate to move to release the rescue package.

As an optimal scheme of the unmanned aerial vehicle for fire rescue of the invention, wherein: the launching mechanism comprises a fixing frame, a rectangular rod, a supporting frame, a first spring, a stop block, a motor, a friction wheel and a unidirectional rotation assembly, wherein the fixing frame is fixed at one end, close to the arc plate, of the storage pipe, the rectangular rod is connected inside one end of the fixing frame in a sliding mode, the supporting frame is fixed at one end, close to the arc plate, of the rectangular rod, the stop block is fixed at one end, far away from the supporting frame, of the rectangular rod, the first spring is arranged outside the rectangular rod and located between the fixing frame and the supporting frame, the motor is fixed at the upper end of the supporting frame, the friction wheel is fixed at the output end of the motor and located inside the supporting frame, the unidirectional rotation assembly is fixed at the lower end of the friction wheel, and the unidirectional rotation assembly is connected with the supporting frame in a rotating mode.

As an optimal scheme of the unmanned aerial vehicle for fire rescue, the invention comprises the following steps: unidirectional rotation subassembly includes the fixed body, prescribes a limit to subassembly and ratchet, the fixed body is fixed at the lower extreme of friction pulley, prescribe a limit to the unit mount in the inside of fixed body, ratchet rotation connects the lower extreme at the fixed body, the ratchet with prescribe a limit to the subassembly joint, winding mechanism fixes the lower extreme at the ratchet.

As an optimal scheme of the unmanned aerial vehicle for fire rescue, the invention comprises the following steps: the limiting assembly comprises a sliding rod, a clamping block and a second spring, the sliding rod is connected inside the fixing body in a sliding mode, the clamping block is fixed to one end, far away from the fixing body, of the sliding rod, and the second spring is arranged on the outer side of the sliding rod and located between the clamping block and the fixing body.

As an optimal scheme of the unmanned aerial vehicle for fire rescue, the invention comprises the following steps: the elastic force of the second spring is smaller than the centrifugal force of the fixture block when the rotating speed of the fixed body is greater than 200 RPM.

As an optimal scheme of the unmanned aerial vehicle for fire rescue, the invention comprises the following steps: winding mechanism includes winding pole, baffle, wire rope, follows driving wheel and reset assembly, the lower extreme at the ratchet is fixed to the winding pole, the winding pole rotates with the support frame to be connected, the lower extreme at the winding pole is fixed to the baffle, wire rope fixes the outside at the winding pole, the one end that the winding pole was kept away from to wire rope keeps away from the one end fixed connection of mount with the arc, install the outside at the storage tube from the driving wheel, wire rope twines in the outside from the driving wheel, reset assembly installs the one end of keeping away from the mount at the arc, reset assembly and storage tube sliding connection.

As an optimal scheme of the unmanned aerial vehicle for fire rescue, the invention comprises the following steps: the diameter of the baffle is larger than that of the winding rod.

As an optimal scheme of the unmanned aerial vehicle for fire rescue, the invention comprises the following steps: the reset assembly comprises a supporting rod, a third spring and a limiting block, wherein the supporting rod is fixed at one end of the arc plate, which is far away from the fixing frame, the supporting rod is connected with the storage tube in a sliding manner, the limiting block is fixed at one end of the supporting rod, which is far away from the arc plate, and the third spring is arranged outside the supporting rod and between the storage tube and the arc plate.

As an optimal scheme of the unmanned aerial vehicle for fire rescue, the invention comprises the following steps: one side that the arc is close to the memotron is fixed with T shape slider, the memotron has seted up T shape spout near T shape slider, carry out sliding connection through mutually supporting of T shape slider and T shape spout between memotron and the arc.

The invention has the technical effects that:

according to the invention, through the structural design of the launching mechanism, the motor is used for driving the friction wheel to rotate, and the rescue package in the storage tube and close to the friction wheel is quickly launched to a high-rise fire scene, so that the rescue efficiency is improved;

According to the invention, through the matching of the winding mechanism and the arc plate, the motor is used for reversing, the arc plate is pulled to expose the lower part of the storage pipe out of the through groove, the rescue package can be effectively thrown to a fire scene from high altitude, the way of throwing the rescue package is improved, and the fire scene can be adapted to different fire scenes;

according to the invention, through the structural design of the limiting assembly, the friction wheel or the movable arc plate can be effectively controlled by controlling the positive and negative rotation of the motor, two throwing modes are realized through one device, the unmanned aerial vehicle is prevented from returning to the home and replacing the throwing mode, and the rescue time is saved.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the launching mechanism, winding mechanism and storage tube mounting of the present invention;

FIG. 3 is a schematic view of the overall construction of the reset assembly of the present invention;

FIG. 4 is an enlarged view of the invention at A in FIG. 3;

FIG. 5 is a schematic view of the firing mechanism of the present invention;

FIG. 6 is a cross-sectional view of the fixing body of the present invention;

FIG. 7 is a schematic view of the overall structure of the attachment of the fixing body and the ratchet wheel of the present invention;

fig. 8 is a schematic view of the overall structure of the winding mechanism of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a body; 2. a storage tube; 3. an electric push rod; 4. an arc-shaped plate; 11. a fixed mount; 12. a rectangular bar; 13. a support frame; 14. a first spring; 15. a stopper; 16. a motor; 17. a friction wheel; 21. a fixed body; 22. a slide bar; 23. a clamping block; 24. a second spring; 25. a ratchet wheel; 31. a winding rod; 32. a baffle plate; 33. a wire rope; 34. a driven wheel; 41. a support bar; 42. a third spring; 43. and a limiting block.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

As shown in fig. 1, 2, and 3, a first embodiment of the present invention provides an unmanned aerial vehicle for fire rescue, which includes a machine body 1, a launching mechanism, and a winding mechanism, wherein a storage tube 2 is installed at a lower end of the machine body 1, a through groove is formed at a lower portion of one end of the storage tube 2, an arc plate 4 is installed at a position close to the through groove and at one end of the storage tube 2, an electric push rod 3 is installed at one end of the storage tube 2 close to the through groove, the launching mechanism is installed at one end of the storage tube 2 close to the arc plate 4, the launching mechanism is used for launching a rescue capsule inside the storage tube 2, the winding mechanism is installed at a lower end of the launching mechanism, the winding mechanism is connected with the arc plate 4, and the winding mechanism is used for driving the arc plate 4 to move to launch the rescue capsule.

When the device is used, a rescue bag is made into a sphere and is placed in the storage pipe 2, the electric push rod 3 is started to enable the rescue bag to enter the launching mechanism, the launching mechanism is started to launch the rescue bag to be close to high-rise trapped people in a horizontal state, the arc-shaped plate 4 is controlled to move through the winding mechanism, the arc-shaped plate 4 is moved to cancel the sealing of the through groove, and the rescue bag is thrown to the trapped people from high altitude in a free falling mode.

It should be noted that the storage tube 2 is obliquely installed at the lower end of the machine body 1, so that the rescue package in the storage tube 2 can roll to a position close to the electric push rod 3 by gravity, and automatic filling can be conveniently performed.

As shown in fig. 2 and 5, the launching mechanism includes a fixing frame 11, a rectangular rod 12, a supporting frame 13, a first spring 14, a stopper 15, a motor 16, a friction wheel 17 and a unidirectional rotation assembly, the fixing frame 11 is fixed at one end of the storage tube 2 close to the arc-shaped plate 4, the rectangular rod 12 is slidably connected inside one end of the fixing frame 11, the supporting frame 13 is fixed at one end of the rectangular rod 12 close to the arc-shaped plate 4, the stopper 15 is fixed at one end of the rectangular rod 12 far away from the supporting frame 13, the first spring 14 is arranged outside the rectangular rod 12 and between the fixing frame 11 and the supporting frame 13, the motor 16 is fixed at the upper end of the supporting frame 13, the friction wheel 17 is fixed at the output end of the motor 16 and located inside the supporting frame 13, the unidirectional rotation assembly is fixed at the lower end of the friction wheel 17, and the unidirectional rotation assembly is rotatably connected with the supporting frame 13.

Specifically, the motor 16 is started, the friction wheels 17 are driven to rotate, the two friction wheels 17 rotate relatively, one friction wheel 17 rotates clockwise, the other friction wheel 17 rotates anticlockwise, the rescue package is placed between the two friction wheels 17, friction force generated by rotation of the two friction wheels 17 is applied to two sides of the rescue package through rotation of the friction wheels 17, the rescue package is further transmitted to the vicinity of high-rise trapped user personnel in a horizontal state, when the rescue package enters the space between the two friction wheels 17, the friction wheels 17 are stressed, the supporting frame 13 is close to the fixing frame 11, the first spring 14 is stressed and compressed, elastic force generated when the first spring 14 is compressed enables the friction wheels 17 to be in close contact with the rescue package, so that the friction force during transmission is increased, the motor 16 rotates forwards when the rescue package is transmitted, and the motor 16 rotates backwards to be in an air drop mode.

It should be noted that the motor 16 is electrically connected to the control circuit inside the machine body 1, and when the external controller commands the motor 16, the skilled person can easily obtain the specific control program, which belongs to the common general knowledge and is not described in detail herein.

As shown in fig. 6 and 7, the unidirectional rotation assembly includes a fixed body 21, a limiting assembly and a ratchet wheel 25, the fixed body 21 is fixed at the lower end of the friction wheel 17, the limiting assembly is installed inside the fixed body 21, the ratchet wheel 25 is rotatably connected at the lower end of the fixed body 21, the ratchet wheel 25 is clamped with the limiting assembly, and the winding mechanism is fixed at the lower end of the ratchet wheel 25.

Specifically, when the rescue package is launched, the motor 16 rotates positively, and when the friction wheel 17 rotates, the fixing body 21 is driven to rotate, so that the limiting component moves around the ratchet wheel 25, the limitation on the ratchet wheel 25 is cancelled, the friction force generated when the fixing body 21 rotates is reduced, and when the rescue package is airdropped, the limiting component is clamped with the ratchet wheel 25 when the friction wheel 17 rotates, so that the ratchet wheel 25 is driven to rotate.

As shown in fig. 6 and 7, the limiting component includes a sliding rod 22, a fixture block 23, and a second spring 24, the sliding rod 22 is slidably connected inside the fixing body 21, the fixture block 23 is fixed at one end of the sliding rod 22 far away from the fixing body 21, and the second spring 24 is arranged outside the sliding rod 22 and between the fixture block 23 and the fixing body 21.

Specifically, when the rescue package is launched, the motor 16 rotates in the forward direction, and when the fixing body 21 rotates, the fixture block 23 is driven to be attached to the surface of the ratchet wheel 25 to slide, so that the clamping between the fixture block 23 and the ratchet wheel 25 is cancelled, the rotating speed of the fixing body 21 is greater than 200RPM, the centrifugal force generated by the fixture block 23 when the fixing body 21 rotates is greater than the elastic force of the second spring 24, the fixture block 23 is always far away from the ratchet wheel 25 when the fixing body 21 rotates, the abrasion between the fixture block 23 and the ratchet wheel 25 is reduced, and the service life is prolonged; when the air-drop rescue package is used, the motor 16 rotates reversely, when the fixing body 21 rotates, the rotating speed of the fixing body 21 is less than 200RPM, the clamping block 23 is always clamped with the ratchet wheel 25, and the ratchet wheel 25 rotates.

Further, the elastic force of the second spring 24 is smaller than the centrifugal force of the latch 23 when the rotation speed of the fixed body 21 is greater than 200RPM, to increase the accurate controllability.

It should be noted that, the latch 23 is attached to the surface of the ratchet 25, and a rubber pad is disposed on the surface for protecting the contact portion between the latch and the ratchet.

As shown in fig. 2, fig. 3 and fig. 8, the winding mechanism includes a winding rod 31, a baffle 32, a steel wire rope 33, a driven wheel 34 and a reset component, the winding rod 31 is fixed at the lower end of the ratchet 25, the winding rod 31 is rotatably connected with the support frame 13, the baffle 32 is fixed at the lower end of the winding rod 31, the steel wire rope 33 is fixed at the outer side of the winding rod 31, one end of the steel wire rope 33 far away from the winding rod 31 is fixedly connected with one end of the arc-shaped plate 4 far away from the fixing frame 11, the driven wheel 34 is installed at the outer side of the storage tube 2, the steel wire rope 33 is wound at the outer side of the driven wheel 34, the reset component is installed at one end of the arc-shaped plate 4 far away from the fixing frame 11, and the reset component is slidably connected with the storage tube 2.

Specifically, starter motor 16 makes fixed body 21 reverse rotation drive winding pole 31 and rotates for wire rope 33 twines on winding pole 31's surface, thereby makes arc 4 move in the lower part of storage tube 2, and then cancels the injectment to the logical groove, makes the rescue package with the mode of free fall, puts in for stranded personnel.

Further, the diameter of the baffle 32 is larger than that of the winding rod 31, so as to increase the stability of winding the wire rope 33 when winding the wire rope 33.

As shown in fig. 3 and fig. 4, the restoring assembly includes a supporting rod 41, a third spring 42 and a limiting block 43, the supporting rod 41 is fixed at one end of the arc-shaped plate 4 far away from the fixing frame 11, the supporting rod 41 is slidably connected with the storage tube 2, the limiting block 43 is fixed at one end of the supporting rod 41 far away from the arc-shaped plate 4, and the third spring 42 is disposed outside the supporting rod 41 and between the storage tube 2 and the arc-shaped plate 4.

Specifically, when the arc-shaped plate 4 is far away from the through groove, the third spring 42 is compressed, the third spring 42 generates elastic force when compressed, and when the starting motor 16 rotates forwards, the limit on the ratchet wheel 25 is cancelled, so that the arc-shaped plate 4 is subjected to the elastic force of the third spring 42, and the arc-shaped plate 4 moves to the position below the through groove to be sealed.

As shown in fig. 2 and 8, one side of the arc-shaped plate 4 close to the storage tube 2 is fixed with a T-shaped sliding block, the storage tube 2 close to the T-shaped sliding block is provided with a T-shaped sliding groove, and the storage tube 2 and the arc-shaped plate 4 are mutually matched with each other through the T-shaped sliding block and the T-shaped sliding groove to be connected in a sliding manner, so that the arc-shaped plate 4 can slide on the lower part of the storage tube 2.

The working principle of the invention is as follows: make the spheroid with the rescue package, put into the inside of memotron 2, start electric putter 3, make the rescue package get into launching mechanism's inside, start launching mechanism and launch the rescue package near high-rise stranded personnel under the horizontal state, can be effective quick launch the rescue package for high-rise conflagration scene resident family, make stranded personnel utilize the rescue package to save oneself, the rescue efficiency is promoted, through winding mechanism, control arc 4's removal, remove 4 cancellation of arc and seal the logical groove, make the rescue package follow the high altitude, put in for stranded personnel with the mode of free fall, the mode of putting in the rescue package has been increased, and then can adapt to different conflagration scenes.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are not specifically illustrated or described, but are instead contemplated to be practiced in the art by those skilled in the art.

Claims

1. The utility model provides an unmanned aerial vehicle for fire rescue which characterized in that: the method comprises the following steps:

the device comprises a machine body (1), wherein a storage pipe (2) is installed at the lower end of the machine body (1), a through groove is formed in the lower portion of one end of the storage pipe (2), an arc-shaped plate (4) is installed at one end of the storage pipe (2) and at a position close to the through groove, and an electric push rod (3) is installed at one end of the storage pipe (2) close to the through groove;

the launching mechanism is arranged at one end, close to the arc-shaped plate (4), of the storage pipe (2) and is used for launching the rescue package in the storage pipe (2);

the winding mechanism is installed at the lower end of the launching mechanism and connected with the arc-shaped plate (4), and the winding mechanism is used for driving the arc-shaped plate (4) to move to throw in the rescue package;

the launching mechanism comprises a fixing frame (11), a rectangular rod (12), a supporting frame (13), a first spring (14), a stop block (15), a motor (16), a friction wheel (17) and a unidirectional rotating assembly, wherein the fixing frame (11) is fixed at one end, close to the arc-shaped plate (4), of the storage pipe (2), the rectangular rod (12) is connected to the inside of one end of the fixing frame (11) in a sliding mode, the supporting frame (13) is fixed at one end, close to the arc-shaped plate (4), of the rectangular rod (12), the stop block (15) is fixed at one end, far away from the supporting frame (13), of the rectangular rod (12), the first spring (14) is arranged on the outer side of the rectangular rod (12) and located between the fixing frame (11) and the supporting frame (13), the motor (16) is fixed at the upper end of the supporting frame (13), the friction wheel (17) is fixed at the output end of the motor (16) and located inside of the supporting frame (13), the unidirectional rotating component is fixed at the lower end of the friction wheel (17) and is rotationally connected with the support frame (13);

The unidirectional rotation assembly comprises a fixed body (21), a limiting assembly and a ratchet wheel (25), the fixed body (21) is fixed at the lower end of the friction wheel (17), the limiting assembly is installed inside the fixed body (21), the ratchet wheel (25) is rotatably connected to the lower end of the fixed body (21), the ratchet wheel (25) is clamped with the limiting assembly, and the winding mechanism is fixed at the lower end of the ratchet wheel (25);

winding mechanism includes winding pole (31), baffle (32), wire rope (33), follows driving wheel (34) and the subassembly that resets, the lower extreme in ratchet (25) is fixed in winding pole (31), winding pole (31) rotate with support frame (13) and are connected, the lower extreme in winding pole (31) is fixed in baffle (32), the outside in winding pole (31) is fixed in wire rope (33), the one end that winding pole (31) were kept away from in wire rope (33) and arc (4) keep away from the one end fixed connection of mount (11), install the outside at storage tube (2) from driving wheel (34), wire rope (33) twine in the outside from driving wheel (34), the subassembly that resets is installed in arc (4) and is kept away from the one end of mount (11), subassembly and storage tube (2) sliding connection reset.

2. A fire rescue unmanned aerial vehicle as defined in claim 1, wherein: the limiting assembly comprises a sliding rod (22), a clamping block (23) and a second spring (24), the sliding rod (22) is connected inside the fixing body (21) in a sliding mode, the clamping block (23) is fixed to one end, far away from the fixing body (21), of the sliding rod (22), and the second spring (24) is arranged on the outer side of the sliding rod (22) and located between the clamping block (23) and the fixing body (21).

3. A fire rescue unmanned aerial vehicle as defined in claim 2, wherein: the elasticity of the second spring (24) is smaller than the centrifugal force of the fixture block (23) when the rotating speed of the fixed body (21) is greater than 200 RPM.

4. A fire rescue unmanned aerial vehicle as defined in claim 2, wherein: the diameter of the baffle plate (32) is larger than that of the winding rod (31).

5. A fire rescue unmanned aerial vehicle as defined in claim 4, wherein: the reset assembly comprises a supporting rod (41), a third spring (42) and a limiting block (43), wherein the supporting rod (41) is fixed at one end of the arc-shaped plate (4) far away from the fixing frame (11), the supporting rod (41) is connected with the storage pipe (2) in a sliding mode, the limiting block (43) is fixed at one end of the supporting rod (41) far away from the arc-shaped plate (4), and the third spring (42) is arranged on the outer side of the supporting rod (41) and located between the storage pipe (2) and the arc-shaped plate (4).

6. A fire rescue unmanned aerial vehicle as defined in claim 1, wherein: one side that arc (4) are close to storage tube (2) is fixed with T shape slider, T shape spout has been seted up near T shape slider in storage tube (2), carry out sliding connection through mutually supporting of T shape slider and T shape spout between storage tube (2) and arc (4).