CN213589587U - High altitude unmanned aerial vehicle extinguishing device - Google Patents

Abstract

The utility model provides a high-altitude unmanned aerial vehicle fire extinguishing device, which comprises a first unmanned aerial vehicle, a high-pressure water cannon nozzle, a nozzle connector, a fire-fighting water pipe and at least one second unmanned aerial vehicle; the high-pressure water cannon nozzle is arranged at the bottom end of the first unmanned machine; the nozzle connector comprises a pipe body and a quick connector; the quick connector comprises a connector body and an annular plug; a plurality of towing connecting short circuits are arranged on the fire hose at intervals, and the outer side wall of each towing connecting short circuit is provided with a hook; the second unmanned aerial vehicle is provided with a second motor, a winding roller, an electromagnet and a magnetic metal plate; the lateral wall of magnetism metal sheet is fixed and is equipped with branch, and the other end of branch is equipped with rings, and rings are used for being connected with the hasp. The utility model discloses an unmanned aerial vehicle extinguishing device's the high scope of putting out a fire is wide, can in time control fly to rise second unmanned aerial vehicle and carry fire hose, and then increase the height of putting out a fire of high-pressure water cannon shower nozzle on the first unmanned aerial vehicle, avoid the high restriction to putting out a fire of condition of a fire, can effectively shorten the preparation time and ensure in time to put out a fire.

Description

High altitude unmanned aerial vehicle extinguishing device

Technical Field

The utility model belongs to the technical field of unmanned aerial vehicle puts out a fire, concretely relates to high altitude unmanned aerial vehicle extinguishing device.

Background

Along with economic development, urban high-rise buildings and high-altitude equipment are more and more, accompanying high-rise building fires or high-altitude equipment fires are gradually increased, and the life and property safety of people is seriously harmed.

At present, various countries in the world develop some fire-fighting equipment for high-rise buildings or high altitudes, such as climbing scaling ladders, fire-fighting cannons, fire-fighting helicopters, fire-fighting bombs and the like, but because of limited equipment capacity, ideal effects cannot be achieved. For example, the effective working height of the conventional common aerial ladder fire truck is 30m to 50m, and the effective working height of the highest aerial ladder fire truck is about lO0m, but the aerial ladder fire truck is difficult to popularize and apply widely due to high price and difficulty in maintenance.

Based on the working height limitation of aerial ladder and other fire-fighting equipment by high-altitude fire extinguishing and the consideration of the configuration cost of other fire-fighting equipment, the unmanned aerial vehicle fire extinguishing technology is vigorously developed and applied. The unmanned aerial vehicle technology is a relatively mature technology at present, is flexible to operate and high in speed, and can reach a specified place without being limited by geographic environment; however, the existing fire extinguishing device for the unmanned aerial vehicle still has a plurality of defects, for example, when the unmanned aerial vehicle is used for carrying a high-pressure water gun nozzle and a fire hose to fly to an overhead ignition point and extinguishing fire by spraying a water column, the unmanned aerial vehicle of the fire extinguishing device for the unmanned aerial vehicle needs to carry the high-pressure water gun nozzle and carry a fire hose, when the unmanned aerial vehicle participates in fire extinguishing, the fire hose needs to be fixedly connected with the high-pressure water gun nozzle on the unmanned aerial vehicle, generally, a threaded connection mode is adopted, the fire hose is easy to wind or twist, and an operator is difficult to straighten the fire hose, so; the fire hose winding or distortion influences the fire hose and carries the high pressure water, leads to unmanned aerial vehicle to crash even easily. In addition, this kind of unmanned aerial vehicle carries high-pressure water cannon shower nozzle and carries the unmanned aerial vehicle extinguishing device of fire water pipe, based on the weight of fire water pipe and the interior water-proof of elimination of pipeline that high-pressure water cannon shower nozzle, the dragging carried, its unmanned aerial vehicle's load has been very big, hardly at the higher position operation of design flight height, consequently if need unmanned aerial vehicle climb the higher position of putting out a fire and then be difficult to continue in the scene of putting out a fire that is difficult to predict.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem that current unmanned aerial vehicle extinguishing device exists, the utility model provides a high altitude unmanned aerial vehicle extinguishing device, but this unmanned aerial vehicle extinguishing device high-speed joint installation fire hose avoids fire hose winding or distortion, through the coupling mechanism between unmanned aerial vehicle and the fire hose, can fly to rise the unmanned aerial vehicle that makes up the second or more at the scene of putting out a fire and drag and carry fire hose temporarily to promote the high response condition of a fire of putting out a fire.

The utility model discloses a following technical scheme realizes:

a high-altitude unmanned aerial vehicle fire extinguishing device comprises a first unmanned aerial vehicle, a high-pressure water cannon nozzle, a nozzle connector and a fire-fighting water pipe;

the high-pressure water cannon nozzle is stably installed at the bottom end of the first unmanned machine and used for spraying water to extinguish fire, and particularly, the high-pressure water cannon nozzle and the first unmanned machine can be fixedly connected through a bolt;

the nozzle connector comprises a pipe body and a quick connector arranged at one end of the pipe body; the other end of the pipe body is fixedly connected with a high-pressure water cannon spray head, and specifically can be in threaded connection; the quick connector comprises a connector body and an annular plug; the bottom end of the joint body is provided with an internal threaded hole, and the annular plug is inserted into the internal threaded hole and is in threaded connection with the joint body; the T-shaped connecting end of the fire-fighting water pipe penetrates through the annular plug and is inserted into the connector body;

the hoop consists of two semi-cylinders, and one sides of the two semi-cylinders are hinged, so that the hoop can be conveniently and quickly installed on the outer wall of the fire hose;

the inner diameter of the annular plug is larger than the outer diameter of the T-shaped connecting end of the fire hose and smaller than the outer diameter of the hoop, specifically, the outer diameter of the hoop refers to the maximum outer diameter of the hoop after the hoop is installed on the outer wall of the fire hose, namely the outer diameter of the two semi-cylinders when the two semi-cylinders are folded; the inner diameter of the hoop is smaller than the outer diameter of the T-shaped connecting end of the fire-fighting water pipe and larger than the outer diameter of the fire-fighting water pipe, and the inner diameter of the hoop refers to the inner diameter of the two semi-cylinders when the two semi-cylinders are folded; the T-shaped connecting end of the fire-fighting water pipe abuts against the inner wall of the connector body, and two ends of the hoop abut against the annular plug and the T-shaped connecting end of the fire-fighting water pipe respectively; after the annular plug is screwed, the fire-fighting water pipe can be hermetically connected with the nozzle connector; the structure can be used for quickly connecting and installing the fire-fighting water pipe, the fire-fighting water pipe does not need to be rotated during connection, and the fire-fighting water pipe can be prevented from being wound or twisted;

a plurality of towing connecting short circuits are arranged on the fire hose at intervals, and the outer side wall of each towing connecting short circuit is provided with a hook;

further comprising at least one second drone; the bottom end of the second unmanned aerial vehicle is fixedly provided with an installation frame, a second motor is arranged in the installation frame, a winding roller is arranged on the installation frame in a rotatable mode, a cotton rope is wound on the winding roller, a rotating shaft of the second motor is in transmission connection with the winding roller, and the second motor can drive the winding roller to perform forward unwinding or reverse winding; the mounting frame is provided with an electromagnet, the second motor and the electromagnet are electrically connected with a control system of a second unmanned aerial vehicle, and the second motor and the electromagnet can be controlled to start and stop through the control system of the second unmanned aerial vehicle;

a magnetic metal plate is arranged at the bottom end of the mounting frame and is magnetically adsorbed with an electrified electromagnet; a supporting rod is fixedly arranged on the side wall of the magnetic metal plate, a hanging ring is fixedly arranged at the other end of the supporting rod, and the hanging ring is used for being connected with a hook buckle; the thread rope is connected with the support rod;

when the second unmanned aerial vehicle needs to be temporarily controlled to carry the fire-fighting water pipe, the second unmanned aerial vehicle is controlled to fly up, visual orientation is carried out through a camera on the second unmanned aerial vehicle, a hanging ring on the second unmanned aerial vehicle is controlled to be connected with a hook on the fire-fighting water pipe, the electromagnet is controlled to be powered off, so that the magnetic metal plate is desorbed from the electromagnet, the second motor is controlled to drive the winding roller to rotate forwards for paying off, the second unmanned aerial vehicle flies up and carries the fire-fighting water pipe through a cotton rope, and the influence of the fire-fighting water pipe on the flying freedom degree of the;

it should be noted that the first unmanned aerial vehicle and the second unmanned aerial vehicle are both prior art devices, and the unmanned aerial vehicle with the specific model, power and bearing capacity is comprehensively calculated, considered and selected according to the flight height, the weight of the towed fire hose, the water volume, the water pressure and other factors; specifically, the blades, the undercarriage, the camera and the control system arranged on the unmanned aerial vehicle body are all known technologies.

Further inject, the high pressure water cannon shower nozzle is multi-functional fire-fighting lance, can reduce recoil, prevents that recoil from influencing first unmanned and unmanned machine's flight balance.

Further limiting, the multifunctional fire-fighting lance comprises a lance tube, a spray lance head and a ball valve switch;

the spray gun head is rotatably connected with the other end of the gun barrel and at least comprises three spray modes of direct current, spraying and blooming;

the outer side wall of the spray gun head is provided with an annular rack, the gun barrel is fixedly provided with a first motor, a rotating shaft of the first motor is fixedly provided with a gear, the gear is meshed with the annular rack on the outer side wall of the spray gun head, the first motor is electrically connected with a first unmanned control system, and the first motor is used for driving the spray gun head to rotate relative to the gun barrel, so that the injection mode of the spray gun head can be adjusted;

the ball valve switch is an electric ball valve, and the electric ball valve is electrically connected with the first unmanned control system and can intelligently control the opening and closing state and the flow of the electric ball valve;

this multi-functional fire-fighting lance can select to spray direct current efflux, spray vaporific efflux or blossoming form efflux through regulation control electric ball valve and spraying rifle head to several kinds of rivers can interconvert, can reduce unnecessary recoil.

Further limiting, an annular sealing ring is arranged between the T-shaped connecting end of the fire-fighting water pipe and the top wall of the threaded hole in the connector body, and sealing rubber layers are arranged on the inner side walls of the two semi-cylinders of the hoop; the annular sealing ring can seal a gap between the T-shaped connecting end of the fire hose and the joint body; the sealing rubber layer of staple bolt inside wall can seal the clearance between staple bolt and the fire hose, avoids leaking water and leaks pressure.

Further inject, the cross-section of halfcylinder is the L type, and this kind of structure can improve the connection steadiness between fire hose and the nozzle connector.

Further limiting, the clasp comprises a hook body provided with an opening and a lock tongue arranged at the opening of the hook body; one end of the lock tongue is hinged with the hook body, a torsional spring is arranged on the hinged shaft, and two ends of the torsional spring are respectively abutted against the hook body and the lock tongue; the other end of the lock tongue is abutted against the inner side wall of the hook body; specifically, the inner side wall of the hook body is provided with a butting groove, under the action of a torsion spring, the spring bolt has a tendency of overturning towards the outer side of the hook body, and the other end of the spring bolt butts against the inner side wall of the hook body at the butting groove to limit the spring bolt to overturn towards the outer side of the hook body; when the hanging ring pushes the spring bolt to turn towards the inner side of the hook body under the action of external force, after the hanging ring is clamped into the hook body, the spring bolt rotates and closes the opening of the hook body.

Further limiting, a magnet is fixedly arranged on the lock tongue, the hanging ring is made of a magnetic metal material, when the hanging ring is close to the lock tongue, the magnet on the lock tongue adsorbs the hanging ring, the hanging ring and the lock tongue can be prevented from being desorbed when the electromagnet is powered off or a wire is unwound by a winding roller, and when the second unmanned aerial vehicle is ensured to fly up and unwind, the hanging ring can push the lock tongue to extrude a torsion spring and open an opening of the hook body, so that the hanging ring is clamped into the hook body; specifically, when second unmanned aerial vehicle promoted, the line rope was put simultaneously, and the action of dragging with the cotton rope was done to the gravity of fire hose, rings can promote the spring bolt extrusion torsional spring and open the opening of coupler body, finally makes rings card go into in the coupler body, rings and the magnet on the spring bolt detach the back, and the opening of coupler body is sealed to the spring bolt.

Further, the mounting frame is provided with lead rings, and the support rod is provided with a plurality of lead rings at intervals; the wire rope sequentially penetrates through the plurality of lead rings from the winding roller and is fixedly connected with the lead rings close to the hanging rings; the structure can make the cotton rope auxiliary supporting rod, and ensure that the lifting ring can be smoothly clamped into the hook body.

According to the technical scheme, the utility model provides a pair of high altitude unmanned aerial vehicle extinguishing device, beneficial effect lies in: when the fire extinguishing device of the unmanned aerial vehicle participates in high-altitude fire extinguishing, the fire hose is quickly connected to the nozzle connector on the first unmanned aerial vehicle, and the first unmanned aerial vehicle is controlled to fly to the fire situation height for fire extinguishing; the fire-fighting water pipe and the nozzle connector can be quickly connected, the preparation time can be effectively shortened, the fire can be timely extinguished, and the fire-fighting water pipe can be prevented from being wound or twisted to prevent the unmanned aerial vehicle from falling down; in a fire extinguishing site, if the fire extinguishing height is raised, at least one second unmanned aerial vehicle can be temporarily controlled to fly, the second unmanned aerial vehicle is connected with a hook buckle arranged on a fire hose by controlling a lifting ring carried on the second unmanned aerial vehicle, the electromagnet is controlled to be powered off to desorb a magnetic metal plate and the electromagnet, a second motor is controlled to drive a winding roller to rotate forwards for paying off, the second unmanned aerial vehicle is lifted and carries the fire hose through a rope, the load of a first unmanned aerial vehicle can be reduced, the first unmanned aerial vehicle can carry a high-pressure water cannon nozzle to fly to a higher height for extinguishing fire, and the second unmanned aerial vehicle can reduce the influence of the fire hose on the flying freedom degree of the second unmanned aerial vehicle by carrying the; this unmanned aerial vehicle extinguishing device's the high scope of putting out a fire is wide, can in time control fly to rise second unmanned aerial vehicle and carry fire hose, and then increase the height of putting out a fire of high-pressure water cannon shower nozzle on the first unmanned aerial vehicle, avoid the high restriction of putting out a fire of condition of a fire to the device, can effectively shorten preparation time and ensure in time to put out a fire.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is the utility model discloses a second unmanned aerial vehicle connects fire hose's schematic diagram.

Fig. 2 is the utility model discloses a many unmanned aerial vehicle carry fire hose's schematic structure diagram.

Fig. 3 is a schematic view of a portion of a structure shown in fig. 2.

Fig. 4 is a schematic view of a partial structure at B in fig. 3.

Fig. 5 is a cross-sectional view taken along the line C-C in fig. 4.

Fig. 6 is a schematic view of a partial structure at D in fig. 1.

In the drawings: 1-first unmanned aerial vehicle, 11-camera, 12-blade, 13-landing gear, 2-high pressure water cannon nozzle, 21-gun barrel, 22-spray gun head, 23-ball valve switch, 24-annular rack, 25-first motor, 26-gear, 3-spray connector, 31-tube body, 32-connector body, 33-annular plug, 34-hoop, 35-semi-cylinder, 36-annular sealing ring, 37-sealing rubber layer, 4-fire hose, 41-T type connecting end, 51-mounting frame, 52-second motor, 53-winding roller, 54-wire rope, 55-electromagnet, 56-magnetic metal plate, 57-support rod, 58-lifting ring, 59-lead ring, 6-towing connecting short circuit, 7-hook buckle, 71-hook body, 72-lock tongue and 8-second unmanned aerial vehicle.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 6, a high altitude unmanned aerial vehicle fire extinguishing apparatus comprises a first unmanned aerial vehicle 1, a high pressure water cannon nozzle 2, a nozzle connector 3, a fire hose 4 and at least one second unmanned aerial vehicle 8;

the high-pressure water cannon nozzle 2 is stably installed at the bottom end of the first unmanned machine 1, the high-pressure water cannon nozzle 2 is used for spraying water to extinguish fire, and particularly, the high-pressure water cannon nozzle 2 and the first unmanned machine 1 can be fixedly connected through bolts;

the high-pressure water cannon nozzle 2 is a multifunctional fire-fighting lance, so that the recoil can be reduced, and the recoil is prevented from influencing the flight balance of the first unmanned machine 1; the multifunctional fire-fighting lance comprises a lance tube 21, a spray lance head 22 and a ball valve switch 23;

the gun barrel 21 is fixedly arranged at the bottom end of the first unmanned machine 1, one end of the gun barrel 21 is connected with the pipe body 31 of the nozzle connector 3, the spray gun head 22 is rotatably connected with the other end of the gun barrel 21, and the spray gun head 22 at least comprises three spray modes of direct current, spray and blooming;

the outer side wall of the spray gun head 22 is provided with an annular rack 24, the gun tube 21 is fixedly provided with a first motor 25, a rotating shaft of the first motor 25 is fixedly provided with a gear 26, the gear 26 is meshed with the annular rack 24 on the outer side wall of the spray gun head 22, the first motor 25 is electrically connected with a control system of the first unmanned machine 1, and the first motor 25 is used for driving the spray gun head 22 to rotate relative to the gun tube 21, so that the injection mode of the spray gun head 22 can be adjusted;

the ball valve switch 23 is arranged on the gun barrel 21, the ball valve switch 23 is an electric ball valve, the electric ball valve is electrically connected with the control system of the first unmanned machine 1, and the opening and closing state and the flow of the electric ball valve can be intelligently controlled;

the multifunctional fire-fighting lance can selectively spray direct current jet, fog-like jet or blossom-like jet by adjusting and controlling the electric ball valve and the spray lance head 22, and several water flows can be mutually converted, so that unnecessary recoil can be reduced;

the nozzle connector 3 comprises a pipe body 31 and a quick coupler arranged at one end of the pipe body 31; the other end of the pipe body 31 is fixedly connected with the high-pressure water cannon spray head 2, and specifically can be in threaded connection; the quick connector comprises a connector body 32 and an annular plug 33; an inner threaded hole is formed in the bottom end of the joint body 32, and the annular plug 33 is inserted into the inner threaded hole and is in threaded connection with the joint body 32; the T-shaped connecting end 41 is arranged on the fire-fighting water pipe 4, the anchor ear 34 is arranged on the outer wall of the fire-fighting water pipe 4, and the T-shaped connecting end 41 of the fire-fighting water pipe 4 penetrates through the annular plug 33 and is inserted into the connector body 32; specifically, the fire hose 4 is made of fire-fighting pipes, is high-pressure resistant, flexible and convenient to hoist;

the anchor ear 34 is composed of two half cylinders 35, and one sides of the two half cylinders 35 are hinged, so that the anchor ear 34 can be conveniently and quickly installed on the outer wall of the fire hose 4;

the inner diameter of the annular plug 33 is larger than the outer diameter of the T-shaped connecting end 41 of the fire hose 4 and smaller than the outer diameter of the anchor ear 34, specifically, the outer diameter of the anchor ear 34 refers to the maximum outer diameter of the anchor ear 34 after being installed on the outer wall of the fire hose 4, namely the outer diameter of the two half cylinders 35 when being closed; the inner diameter of the anchor ear 34 is smaller than the outer diameter of the T-shaped connecting end 41 of the fire water pipe 4 and larger than the outer diameter of the fire water pipe 4, and the inner diameter of the anchor ear 34 refers to the inner diameter of the two half cylinders 35 when being closed; the T-shaped connecting end 41 of the fire hose 4 abuts against the inner wall of the connector body 32, and two ends of the anchor ear 34 abut against the annular plug 33 and the T-shaped connecting end 41 of the fire hose 4 respectively; after the annular plug 33 is screwed, the fire-fighting water pipe 4 can be hermetically connected with the nozzle connector 3; the structure can be used for quickly connecting and installing the fire-fighting water pipe 4, the fire-fighting water pipe 4 does not need to be rotated during connection, and the fire-fighting water pipe 4 can be prevented from being wound or twisted;

a plurality of towing connecting short circuits 6 are arranged on the fire hose 4 at intervals, and a hook 7 is arranged on the outer side wall of each towing connecting short circuit 6; the clasp 7 comprises a hook body 71 with an opening and a lock tongue 72 arranged at the opening of the hook body 71; one end of the lock tongue 72 is hinged with the hook body 71, a torsion spring is arranged on the hinged shaft, and two ends of the torsion spring are respectively abutted against the hook body 71 and the lock tongue 72; the other end of the locking tongue 72 is abutted against the inner side wall of the hook body 71; specifically, the inner side wall of the hook body 71 is provided with a butting groove, under the action of a torsion spring, the bolt 72 has a tendency of turning towards the outer side of the hook body 71, and the other end of the bolt 72 butts against the inner side wall of the hook body 71 at the butting groove to limit the bolt 72 to turn towards the outer side of the hook body 71;

the bottom end of the second unmanned aerial vehicle 8 is fixedly provided with an installation frame 51, a second motor 52 is arranged in the installation frame 51, a winding roller 53 is rotatably arranged on the installation frame 51, a cord 54 is wound on the winding roller 53, a rotating shaft of the second motor 52 is in transmission connection with the winding roller 53, and the second motor 52 can drive the winding roller 53 to pay off in a forward rotation mode or take up in a reverse rotation mode; an electromagnet 55 is arranged on the mounting frame 51, the second motor 52 and the electromagnet 55 are both electrically connected with a control system of the second unmanned aerial vehicle 8, and the second motor 52 and the electromagnet 55 can be controlled to start and stop by the control system of the second unmanned aerial vehicle 8;

a magnetic metal plate 56 is arranged at the bottom end of the mounting frame 51, and the magnetic metal plate 56 is magnetically adsorbed with an electrified electromagnet 55; a support rod 57 is fixedly arranged on the side wall of the magnetic metal plate 56, a hanging ring 58 is fixedly arranged at the other end of the support rod 57, and the hanging ring 58 is used for being connected with the hook buckle 7; a lead ring 59 is arranged on the mounting frame 51, and a plurality of lead rings 59 are arranged on the support rod 57 at intervals; the wire 54 sequentially passes through a plurality of lead rings 59 from the winding roller 53 and is fixedly connected with the lead rings 59 close to the hanging ring 58; the structure can lead the thread rope 54 to assist in supporting the supporting rod 57, and ensure that the lifting ring 58 can be smoothly clamped into the hook body 71;

when the second unmanned aerial vehicle 8 needs to be temporarily controlled to drag the fire hose 4, the second unmanned aerial vehicle 8 is controlled to fly to lift, visual orientation is carried out through the camera 11 on the second unmanned aerial vehicle 8, the hanging ring 58 on the second unmanned aerial vehicle 8 is controlled to be connected with the hook buckle 7 on the fire hose 4, the electromagnet 55 is controlled to be powered off, the magnetic metal plate 56 is desorbed from the electromagnet 55, the second motor 52 is controlled to drive the winding roller 53 to rotate forwards for paying off, the second unmanned aerial vehicle 8 flies to lift and drag the fire hose 4 through the cotton rope 54, and the influence of the fire hose 4 on the flying freedom degree of the second unmanned aerial vehicle 8 can be reduced; specifically, under the action of external force, the hanging ring 58 pushes the locking tongue 72 to turn towards the inner side of the hook body 71, and after the hanging ring 58 is clamped in the hook body 71, the locking tongue 72 rotates and closes the opening of the hook body 71;

it should be noted here that the first unmanned aerial vehicle 1 and the second unmanned aerial vehicle 8 are both prior art devices, and the unmanned aerial vehicle of the specific model, power and carrying capacity is comprehensively calculated, considered and selected according to the flight height and the factors such as the weight, water volume and water pressure of the towed fire hose 4; specifically, the blades 12, the landing gear 13, the camera 11 and the control system arranged on the unmanned aerial vehicle body are all known technologies.

In this embodiment, an annular sealing ring 36 is arranged between the T-shaped connecting end 41 of the fire hose 4 and the top wall of the threaded hole in the joint body 32, and sealing rubber layers 37 are arranged on the inner side walls of the two half cylinders 35 of the hoop 34; the annular sealing ring 36 can seal the gap between the T-shaped connecting end 41 of the fire hose 4 and the joint body 32; the sealing rubber layer 37 on the inner side wall of the anchor ear 34 can seal the gap between the anchor ear 34 and the fire water pipe 4, so that water leakage and pressure leakage are avoided.

In this embodiment, the cross-section of semi-cylinder 35 is the L type, and this kind of structure can improve the connection steadiness between fire hose 4 and nozzle connector 3.

In this embodiment, a magnet (not shown in the figure) is fixed on the lock tongue 72, the hanging ring 58 is made of a magnetic metal material, when the hanging ring 58 is close to the lock tongue 72, the magnet on the lock tongue 72 adsorbs the hanging ring 58, so that the hanging ring 58 is prevented from being detached from the lock tongue 72 when the electromagnet 55 is powered off or the wire winding roller 53 releases the wire 54, and when the second unmanned aerial vehicle 8 flies up and releases the wire 54, the hanging ring 58 can push the lock tongue 72 to press the torsion spring and open the opening of the hook body 71, so that the hanging ring 58 is clamped into the hook body 71; specifically, when the second unmanned aerial vehicle 8 is lifted, the rope 54 is discharged at the same time, under the action of the gravity of the fire hose 4 and the pulling action of the rope 54, the hanging ring 58 can push the lock tongue 72 to extrude the torsion spring and open the opening of the hook body 71, finally the hanging ring 58 is clamped into the hook body 71, and after the hanging ring 58 is detached from the magnet on the lock tongue 72, the lock tongue 72 closes the opening of the hook body 71.

The working principle of the embodiment is as follows: when the fire extinguishing device of the unmanned aerial vehicle participates in high-altitude fire extinguishing, the fire hose 4 is quickly connected to the nozzle connector 3 on the first unmanned aerial vehicle 1, and the first unmanned aerial vehicle 1 is controlled to fly to the fire situation height for fire extinguishing; the fire-fighting water pipe 4 and the nozzle connector 3 can be quickly connected, the preparation time can be effectively shortened, the fire can be timely extinguished, and the fire-fighting water pipe 4 can be prevented from being wound or twisted to prevent the unmanned aerial vehicle from falling down; the electric ball valve of the multifunctional fire-fighting lance and the spray lance head 22 are regulated and controlled, so that direct jet flow, fog-like jet flow or flowering-like jet flow can be selectively sprayed, and several water flows can be mutually converted, so that unnecessary recoil can be reduced; in a fire extinguishing site, if the fire extinguishing height is raised, at least one second unmanned aerial vehicle 8 can be temporarily controlled to fly, the hanging ring 58 carried on the second unmanned aerial vehicle 8 is controlled to be connected with the hook buckle 7 arranged on the fire water pipe 4, the electromagnet 55 is controlled to be powered off to enable the magnetic metal plate 56 to be desorbed with the electromagnet 55, the second motor 52 is controlled to drive the winding roller 53 to rotate forwards for paying off, the second unmanned aerial vehicle 8 is controlled to lift and drag the fire water pipe 4 through the cord 54, the load of the first unmanned aerial vehicle 1 can be reduced, the first unmanned aerial vehicle 1 can carry the high-pressure water cannon nozzle 2 to fly to a higher height for fire extinguishing, and the second unmanned aerial vehicle 8 can drag the fire water pipe 4 through the cord 54 to reduce the influence of the fire water pipe 4 on the flying; specifically, when the flying ring 58 is close to the lock tongue 72, the magnet on the lock tongue 72 adsorbs the flying ring 58, so that the flying ring 58 and the lock tongue 72 can be prevented from being detached when the electromagnet 55 is powered off or the wire winding roller 53 discharges the wire 54, and when the second unmanned aerial vehicle 8 flies and discharges the wire 54, the flying ring 58 can push the lock tongue 72 to extrude the torsion spring and open the opening of the hook body 71, so that the flying ring 58 is clamped into the hook body 71; specifically, when the second unmanned aerial vehicle 8 is lifted, the rope 54 is discharged at the same time, under the action of the gravity of the fire hose 4 and the pulling action of the rope 54, the hanging ring 58 can push the lock tongue 72 to extrude the torsion spring and open the opening of the hook body 71, finally the hanging ring 58 is clamped into the hook body 71, and after the hanging ring 58 is detached from the magnet on the lock tongue 72, the lock tongue 72 closes the opening of the hook body 71. This unmanned aerial vehicle extinguishing device's the high scope of putting out a fire is wide, can in time increase the height of putting out a fire, avoids the condition of a fire highly to the restriction that the device was put out a fire, can effectively shorten the preparation time and ensure in time to put out a fire.

Claims (8)

1. The utility model provides a high altitude unmanned aerial vehicle extinguishing device, includes first unmanned machine, high pressure water cannon shower nozzle, nozzle connector and fire hose, its characterized in that:

the high-pressure water cannon nozzle is stably installed at the bottom end of the first unmanned machine and used for spraying water to extinguish fire;

the nozzle connector comprises a pipe body and a quick connector arranged at one end of the pipe body; the other end of the pipe body is fixedly connected with a high-pressure water cannon spray head; the quick connector comprises a connector body and an annular plug; the bottom end of the joint body is provided with an internal threaded hole, and the annular plug is inserted into the internal threaded hole and is in threaded connection with the joint body; the T-shaped connecting end of the fire-fighting water pipe penetrates through the annular plug and is inserted into the connector body;

the hoop consists of two semi-cylinders, and one sides of the two semi-cylinders are hinged;

the inner diameter of the annular plug is larger than the outer diameter of the T-shaped connecting end of the fire hose and smaller than the outer diameter of the hoop; the inner diameter of the hoop is smaller than the outer diameter of the T-shaped connecting end of the fire hose and larger than the outer diameter of the fire hose; the T-shaped connecting end of the fire-fighting water pipe abuts against the inner wall of the connector body, and two ends of the hoop abut against the annular plug and the T-shaped connecting end of the fire-fighting water pipe respectively;

a plurality of towing connecting short circuits are arranged on the fire hose at intervals, and the outer side wall of each towing connecting short circuit is provided with a hook;

further comprising at least one second drone; the bottom end of the second unmanned aerial vehicle is fixedly provided with an installation frame, and a second motor is arranged in the installation frame; a wire winding roller is rotatably arranged on the mounting frame, and a wire rope is wound on the wire winding roller; a rotating shaft of the second motor is in transmission connection with the winding roller; an electromagnet is arranged on the mounting frame, and the second motor and the electromagnet are electrically connected with a control system of the second unmanned aerial vehicle;

a magnetic metal plate is arranged at the bottom end of the mounting frame and is magnetically adsorbed with an electrified electromagnet; a supporting rod is fixedly arranged on the side wall of the magnetic metal plate, a hanging ring is fixedly arranged at the other end of the supporting rod, and the hanging ring is used for being connected with a hook buckle; the thread rope is connected with the supporting rod.

2. The high altitude unmanned aerial vehicle extinguishing device of claim 1, characterized in that: the high-pressure water cannon nozzle is a multifunctional fire-fighting lance.

3. The high altitude unmanned aerial vehicle extinguishing device of claim 2, characterized in that: the multifunctional fire-fighting lance comprises a lance tube, a spray lance head and a ball valve switch;

the spray gun head is rotatably connected with the other end of the gun barrel and at least comprises three spray modes of direct current, spraying and blooming;

the outer side wall of the spray gun head is provided with an annular rack, a first motor is fixedly mounted on a gun barrel, a rotating shaft of the first motor is fixedly provided with a gear, the gear is meshed with the annular rack on the outer side wall of the spray gun head, and the first motor is electrically connected with a first unmanned control system;

the ball valve switch is installed on the gun barrel, the ball valve switch is an electric ball valve, and the electric ball valve is electrically connected with a first unmanned control system.

4. The high altitude unmanned aerial vehicle extinguishing device of claim 1, characterized in that: an annular sealing ring is arranged between the T-shaped connecting end of the fire-fighting water pipe and the top wall of the inner threaded hole of the joint body, and sealing rubber layers are arranged on the inner side walls of the two half cylinders of the hoop.

5. The high altitude unmanned aerial vehicle extinguishing device of claim 1 or 4, characterized in that: the section of the semi-cylinder is L-shaped.

6. The high altitude unmanned aerial vehicle extinguishing device of claim 1, characterized in that: the hook buckle comprises a hook body with an opening and a lock tongue arranged at the opening of the hook body; one end of the lock tongue is hinged with the hook body, a torsional spring is arranged on the hinged shaft, and two ends of the torsional spring are respectively abutted against the hook body and the lock tongue; the other end of the lock tongue is abutted against the inner side wall of the hook body.

7. The high altitude unmanned aerial vehicle extinguishing device of claim 6, characterized in that: the bolt is fixedly provided with a magnet, and the lifting ring is made of a magnetic metal material.

8. The high altitude unmanned aerial vehicle extinguishing device of claim 7, characterized in that: the mounting frame is provided with lead rings, and the support rod is provided with a plurality of lead rings at intervals; the thread rope sequentially penetrates through the plurality of lead rings from the winding roller and is fixedly connected with the lead rings close to the hanging rings.

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