Fire truck carrying drones and method of use thereof

Abstract

This invention provides a fire truck carrying a drone and its method of use. The fire truck includes a vehicle body, on which a drone is mounted. The drone has a support component, and the support component has a rotating component. During firefighting operations, the support component is erected on a building. A first cable is wound around the rotating component. A first end of the first cable is connected to an impact hammer, and a second end of the first cable is connected to a first winch device. The first winch device can move the impact hammer to a designated position via the first cable. The impact hammer is connected to a second winch device via a second cable. The second winch device can drive the impact hammer to reciprocate around the rotating component via the second cable. The end of the impact hammer near the building has a conical impact head with a fire extinguishing channel. The fire extinguishing channel is connected to a water supply system via a fire hose. The water supply system can deliver extinguishing agent into the building through the fire hose and the fire extinguishing channel. This invention can meet the firefighting needs of high-rise buildings.

Description

Technical Field

[0001] This invention relates to the field of fire rescue technology, specifically to a fire truck carrying a drone and its method of use. Background Technology

[0002] In fires occurring in buildings of average height, traditional fire trucks typically use ladders to break windows and extinguish fires. The procedure involves the fire truck extending its ladder to the burning floor, where firefighters use it to approach the building and break windows to create an entry point for firefighting. They then use fire sprinklers mounted on the ladder to spray extinguishing agents. However, the ladder's reach is significantly limited – with advancements in engineering technology, the height of skyscrapers far exceeds the limits of traditional ladder fire trucks. In the event of a fire in a skyscraper, the ladder of a traditional fire truck simply cannot reach the effective height required to approach the fire and perform window-breaking and firefighting operations.

[0003] To overcome the height limitations of traditional fire truck ladders, existing technology has introduced a solution using drones for firefighting operations. This solution first involves controlling a drone to launch projectiles to break windows, then using a fire hose mounted on the drone to spray extinguishing agent onto the fire. However, this solution has significant drawbacks: the drone needs to maintain a stable attitude during flight, and if the recoil from the launched projectiles is too great, it can cause the drone to shake violently and lose control of its flight path, or even crash. To ensure the drone's flight safety, the mass and launch velocity of the projectiles must be limited, resulting in insufficient destructive power. Especially in modern high-rise buildings, to meet safety, heat insulation, and sound insulation requirements, explosion-proof glass is commonly used. The low-powered projectiles launched by existing drones are unlikely to effectively penetrate this type of glass, thus failing to open fire extinguishing channels.

[0004] Furthermore, even if a window is successfully broken, the limited payload capacity of the drone results in a small diameter fire hose, limiting the water flow. In the face of large-scale fires, a small water flow is insufficient to quickly cover the fire source and effectively cool it, making it impossible to control the spread of the fire in time. Its effectiveness is insufficient to meet the firefighting needs of high-rise buildings. Summary of the Invention

[0005] The main objective of this invention is to provide a fire truck carrying a drone and its method of use, which can meet the fire extinguishing needs of super high-rise buildings.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A fire truck carrying a drone includes a vehicle body on which the drone is mounted. The drone has a support structure, and the support structure has a rotating component. During firefighting operations, the support structure is erected on a building. A first cable is wound around the rotating component. A first end of the first cable is connected to an impact hammer, and a second end is connected to a first winch. The first winch can move the impact hammer to a designated position via the first cable. The impact hammer is connected to a second winch via a second cable. The second winch can drive the impact hammer to reciprocate around the rotating component, moving it closer to or away from the building. The end of the impact hammer closest to the building has a conical impact head with a fire extinguishing channel. The fire extinguishing channel is connected to a water supply system via a fire hose. The water supply system can deliver extinguishing agent sequentially into the building through the fire hose and the fire extinguishing channel.

[0008] Preferably, the impact hammer is also provided with a backflush channel that can be connected to a fire hose, and the thrust line generated by the water jet from the backflush channel extends away from the building.

[0009] Preferably, the backwash channel is equipped with a water wheel that is linked to the impact head. The water wheel can drive the impact head to rotate around its axis under the action of the water flow in the backwash channel. Multiple ridges are evenly distributed on the outer side wall of the impact head in the circumferential direction, and the ridges extend along the axial direction of the impact head.

[0010] Preferably, the tip of the impact head is connected to an injection channel, which is connected to a water storage chamber via a guide channel. A valve core capable of opening or closing the guide channel is provided at the guide channel. The valve core can move to the position of opening the guide channel under inertia. The valve core is connected to a reset component, which tends to move the valve core to the position of closing the guide channel. A first compression block is slidably connected in a sealed manner inside the water storage chamber, and the first compression block is connected to a first elastic element.

[0011] Preferably, the reset assembly includes a valve chamber and a control chamber filled with actuating fluid, a first flow channel and a second flow channel connecting the valve chamber and the control chamber, a valve core and a valve chamber being sealed and slidably connected, a second compression block being sealed and slidably connected inside the control chamber, and a second elastic element being connected to the second compression block.

[0012] Preferably, a check valve is provided in the first flow channel, which is used to restrict the actuating fluid from flowing from the control chamber into the valve chamber through the first flow channel.

[0013] Preferably, the impact hammer includes a hammer base and an impact rod slidably connected to the hammer base, the impact rod being able to move relatively away from the hammer base in a direction closer to the building under inertia.

[0014] Preferably, along the movement trajectory of the impact rod away from the hammer seat, a first position and a second position are sequentially provided in the direction away from the hammer seat; the hammer seat is provided with a diversion chamber communicating with the fire hose; the fire extinguishing flow channel is located inside the impact rod, and a first flow hole communicating with the fire extinguishing flow channel is opened on the side wall of the impact rod, and a blocking wall cooperating with the first flow hole is provided on the hammer seat; the backflow channel is located between the impact rod and the hammer seat, and a second flow hole is provided between the diversion chamber and the backflow channel, and a blocking ring cooperating with the second flow hole is provided on the impact rod; when the impact rod is in the first position, the first flow hole is aligned with the blocking wall, and the second flow hole is offset from the blocking ring; when the impact rod is in the second position, the first flow hole is offset from the blocking wall, and the second flow hole is aligned with the blocking ring.

[0015] Preferably, the outer diameter of the blocking ring is clearance-fitted with the inner diameter of the backflow channel, and multiple ribs are evenly distributed circumferentially between the impact rod and the blocking ring, with the ribs extending axially along the backflow channel.

[0016] The present invention also provides a method for using the above-mentioned fire truck carrying a drone, comprising the following steps:

[0017] S1. Wrap the first cable around the rotating component and control the drone to set up the support component on the building.

[0018] S2. Control the operation of the first hoisting device to lift the impact hammer connected to the fire hose and the second cable to the designated position on the building via the first cable;

[0019] S3. Control the operation of the second winch device to drive the impact hammer to swing back and forth around the rotating part near or away from the building via the second cable, so that the impact hammer reciprocates to strike the outer enclosure structure at the designated location of the building.

[0020] S4. After the impact hammer penetrates the outer envelope at the designated location of the building, control the water supply system to deliver the extinguishing agent into the building through the fire hose and extinguishing channel in sequence.

[0021] The beneficial effects of this invention are as follows:

[0022] In firefighting operations, this invention first winds a first cable around a rotating component of a support structure. Then, a drone is controlled to erect the support structure on the burning building. Next, a first winch is controlled to lift an impact hammer connected to a fire hose and a second cable to a designated location on the building—the fire scene. Compared to traditional methods where drones directly carry fire hoses, this invention overcomes the limitations of drone carrying capacity—the drone only needs to erect the support structure. Once the support structure is erected, the weight of the impact hammer, fire hose, and second cable that can be lifted depends on the strength of the first cable. This allows for the lifting of a relatively heavy impact hammer and a relatively large diameter fire hose to the fire scene.

[0023] After the first winch device lifts the impact hammer to the designated position via the first cable, the second winch device is controlled, using the second cable to drive the impact hammer to reciprocate around the rotating component, moving it closer to or away from the building, causing the impact hammer to repeatedly strike the outer perimeter structure at the fire scene. Compared to the method of using drones to launch projectiles to break windows, the movement of the impact hammer in this invention is not affected by the flight safety of drones. The heavier impact hammer can penetrate the explosion-proof glass of the building with greater force, thereby opening a fire extinguishing passage into the fire scene.

[0024] After the fire extinguishing passage is opened, the water supply system is controlled to deliver the extinguishing agent into the building through the fire hoses and fire extinguishing channels to carry out fire extinguishing operations.

[0025] This invention can effectively open fire extinguishing channels and cover the fire source with a large flow of water to effectively cool it down, thereby meeting the fire extinguishing needs of super high-rise buildings. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is one of the overall structural schematic diagrams of an embodiment of the present invention (the impact hammer is in a swinging state at this time);

[0028] Figure 2 This is a second overall structural schematic diagram of an embodiment of the present invention (the impact hammer is in an impact state at this time);

[0029] Figure 3 for Figure 2 Enlarged view of part A;

[0030] Figure 4 This is a three-dimensional structural diagram of an impact hammer according to an embodiment of the present invention;

[0031] Figure 5 This is one of the cross-sectional structural schematic diagrams of the impact hammer in one embodiment of the present invention (the backflow channel is in the jetting state at this time);

[0032] Figure 6 This is a second cross-sectional view of the impact hammer in one embodiment of the present invention (the fire extinguishing channel is in the spraying state at this time).

[0033] Figure 7 This is the third cross-sectional view of the impact hammer in one embodiment of the present invention (the injection channel is in the spraying state at this time).

[0034] Figure 8 for Figure 7 Enlarged view of part B;

[0035] Figure 9 This is a cross-sectional view of the impact rod in one embodiment of the present invention;

[0036] Figure 10 This is a three-dimensional structural diagram of a water turbine in one embodiment of the present invention.

[0037] Explanation of reference numerals in the attached figures:

[0038] 100. Vehicle body;

[0039] 111. Unmanned aerial vehicle (UAV); 112. Support component; 113. Rotating component; 114. First cable; 115. First winch device; 116. Second cable; 117. Second winch device; 118. Fire hose;

[0040] 200. Impact hammer;

[0041] 201. Hammer base; 202. Impact rod; 203. Impact head; 204. Edge; 205. Extinguishing flow channel;

[0042] 206. Backflush channel; 207. Water impeller; 208. Injection channel; 209. Guide channel; 210. Water storage chamber; 211. Valve core; 212. First extrusion block; 213. First elastic element;

[0043] 300. Reset assembly;

[0044] 301. Valve chamber; 302. Control chamber; 303. First flow channel; 304. Second flow channel; 305. Second extrusion block; 306. Second elastic element; 307. Check valve;

[0045] 400. Flow divider;

[0046] 401. First flow passage; 402. Baffle wall; 403. Second flow passage; 404. Baffle ring; 405. Rib. Detailed Implementation

[0047] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. To better illustrate this embodiment, some parts in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product.

[0048] It will be understood by those skilled in the art that certain well-known structures and their descriptions may be omitted in the accompanying drawings. The technical solution of the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0049] Example 1

[0050] Please see Figure 1 and Figure 2 The present invention provides a fire truck carrying a drone, including a vehicle body 100 and a drone 111 mounted on the vehicle body 100.

[0051] The drone 111 is equipped with a support member 112, which is used to set up on the window sill, balcony or other building structure after reaching the target floor to form a stable working fulcrum. The support member 112 is equipped with a rotating member 113 (such as a pulley or universal joint), and the first cable 114 is wound around the rotating member 113.

[0052] The impact hammer 200 is connected to a first winch device 115 on the vehicle body via a first cable 114. The first winch device 115 controls the raising and lowering of the first cable 114, thereby vertically lifting or lowering the impact hammer 200 to a designated position on the building. The impact hammer 200 is also connected to a second winch device 117 on the vehicle body via a second cable 116. The second winch device 117 winds up the second cable 116, pulling the impact hammer 200 away from the building. Subsequently, when the second winch device 117 releases the second cable 116, the impact hammer 200 swings like a pendulum towards the building under the influence of gravity, generating an impact. By repeatedly operating the second winch device 117, the impact hammer 200 can achieve a reciprocating swinging impact on the building's external envelope (such as a glass curtain wall or brick wall).

[0053] The impact hammer 200 has a conical impact head 203 at its front end, with an internal fire extinguishing channel 205. This channel is connected to the water supply system on the fire truck via a fire hose 118. When the impact hammer 200 successfully breaks through the building's exterior wall, the water supply system is activated, spraying water or foam extinguishing agents directly onto the fire source inside the building through the fire hose 118 and the fire extinguishing channel 205, achieving efficient fire extinguishing.

[0054] During firefighting operations, firefighters first wound the first cable 114 around the rotating component 113 of the support member 112. At this time, the first end of the first cable 114 is connected to the impact hammer 200 placed on the ground, and the second end of the first cable 114 is connected to the first winch device 115. Next, firefighters control the drone 111 to fly and control the first winch device 115 to release the first cable 114 during the flight of the drone 111. Finally, the drone 111 erects the support member 112 on the burning building. Throughout the flight, the drone 111 only carries the weight of the support member 112 and the first cable 114.

[0055] After the support member 112 is erected, firefighters control the first winch device 115 to wind up the first cable 114, thereby lifting the impact hammer 200, which is connected to the fire hose 118 and the second cable 116, to the fire scene. It should be noted that in this embodiment, the first cable 114 is a high-strength, lightweight composite rope, which enables the heavy impact hammer 200 and the large-diameter fire hose 118 to be lifted to the fire scene.

[0056] After the first winch 115 lifts the impact hammer 200 to the designated position via the first cable 114, firefighters control the second winch 117, using the second cable 116 to drive the impact hammer 200 to reciprocate around the rotating component 113, moving it closer to or away from the building. This causes the impact hammer 200 to repeatedly strike the outer perimeter structure of the fire scene. The heavier impact hammer 200 can penetrate the explosion-proof glass of the building with a strong impact force, thereby opening a fire extinguishing passage into the fire scene.

[0057] After the fire extinguishing passage is opened, firefighters control the water supply system to deliver the extinguishing agent into the building through the fire hose 118 and the fire extinguishing channel 205 to carry out fire extinguishing operations.

[0058] In this embodiment, the support member 112 has an F-shaped structure, which can be snapped onto the top of the wall of the building. The rotating member 113 is a roller that is rotatably connected to the support member 112.

[0059] It is understandable that in this embodiment, both the first winch device 115 and the second winch device 117 are mounted on the vehicle body. Of course, in other embodiments, they can also be directly mounted on the ground.

[0060] It should be noted that in this embodiment, the water supply system is the water supply system provided by the fire truck itself. Since the specific structure of such a water supply system is well known to those skilled in the art, it is not described in detail here, but this does not affect those skilled in the art's understanding and implementation of the technical solutions involved in this specification.

[0061] Example 2

[0062] Based on Example 1, the impact hammer 200 was optimized in this example to further improve the impact speed.

[0063] Please see Figure 5 The impact hammer 200 is equipped with a backwash channel 206, which is also connected to the fire hose 118, but its nozzle faces the opposite direction of impact (i.e., away from the building). When the water supply system is working, the water jet from the backwash channel 206 generates a backward thrust. According to Newton's third law, the impact hammer 200 will receive a reaction force of equal magnitude and forward direction. This reaction force will effectively superimpose on the kinetic energy of the impact hammer 200's own forward movement, giving it a higher instantaneous velocity upon contact with the building or obstacle. Therefore, the impact hammer 200 can impact the target at a faster speed and with greater kinetic energy, significantly improving its demolition efficiency and penetration power, especially when facing solid walls, windows, or obstacles, enabling faster opening of rescue routes or smoke extraction operations.

[0064] Example 3

[0065] High-rise buildings typically use explosion-proof glass on their exterior walls. This glass is usually composed of multiple layers, which do not merely provide thickness. When a spike impacts the explosion-proof glass, energy is transferred layer by layer. The first layer of glass may experience localized damage upon impact, but its energy is dispersed and transferred to the next layer of glass and the polymer interlayer. Unlike the brittleness of glass, the polymer interlayer, composed of materials such as PVB and SGP, possesses excellent toughness and elasticity. When impacted by a spike, it can absorb a significant amount of impact energy and deform instead of immediately breaking. This elastic deformation effectively prolongs the impact time, reduces instantaneous stress, and thus decreases the likelihood of spike penetration.

[0066] To address the high toughness of the materials used in explosion-proof glass, this embodiment features a specially designed impact head 203.

[0067] Please see Figure 4 and Figure 5 Inside the backwash channel 206, a water wheel 207 is installed. When water flows through the backwash channel 206, it drives the water wheel 207 to rotate. The water wheel 207 is linked with the impact head 203, thereby causing the impact head 203 to rotate at high speed around its own axis. At the same time, multiple ridges 204 are evenly distributed circumferentially on the outer wall of the impact head 203.

[0068] When the impact head 203 with its ridge blade 204 strikes the explosion-proof glass, its own rotation causes the impact force to shift from a single direction to a high-speed rotating cutting and tearing action. This unique rotational tearing action effectively cuts into and tears the polymer interlayer inside the explosion-proof glass. The tearing action pulls the interlayer material outward, causing it to fail due to stretching. For viscoelastic polymer interlayers, although they can absorb energy and deform, under continuous tearing force, they will exceed their elastic limit, undergo plastic deformation, and eventually break. This causes them to rapidly lose their integrity, thus destroying their structure more quickly and thoroughly.

[0069] Furthermore, the high-speed rotating impact head 203 and water wheel 207 generate a strong gyroscopic effect. When the impact head 203 and water wheel 207 rotate at high speed, they tend to maintain the direction of their rotation axis. This enhances the attitude stability during the impact process. The stable attitude ensures that the trajectory of the impact head 203 before contacting the target is closer to a straight line, reducing unnecessary deviations. Due to its rotation, even when encountering air resistance, it can maintain a stable swing trajectory. Furthermore, the stability maintained by the gyroscopic effect ensures that most of the kinetic energy is converted into an effective impact perpendicular to the target surface, making the impact energy more concentrated, thereby achieving higher destructive efficiency in a single impact.

[0070] Example 4

[0071] To further enhance the damage effect on structures such as glass or walls, this embodiment introduces a "water wedge" effect mechanism.

[0072] The tip of the impact head 203 is connected to an injection channel 208. This channel is connected via a guide channel 209 to a water storage chamber 210, which is internally sealed and slides with a first extrusion block 212 and a first elastic element 213. A valve core 211 that can be opened under inertia is provided at the guide channel 209.

[0073] When the impact hammer 200 strikes the target at high speed, the enormous inertial force instantly drives the valve core 211 to overcome the resistance of the reset assembly 300 and move forward, opening the guide channel 209. At this time, water in the water storage chamber 210, under the pressure of the first extrusion block 212 and the first elastic element 213, is ejected at high speed from the tip of the impact head 203 through the injection channel 208 and injected into the tiny cracks generated by the impact. Since water is an incompressible fluid, after being squeezed into these cracks under high pressure, it will generate a huge "water wedge" effect, rapidly expanding and deepening the initial cracks, greatly enhancing the destructive force on the target structure.

[0074] To achieve precise control of the water wedge effect, the reset assembly 300 is designed as a hydraulically damped structure. It includes a valve chamber 301 filled with actuating fluid and a control chamber 302. The valve core 211 slides within the valve chamber 301, and the control chamber 302 contains a second pressing block 305 and a second elastic element 306. The two chambers are connected by a first flow channel 303 with a check valve 307 and a second flow channel 304 without a valve. Upon impact, the valve core 211 moves forward, and the actuating fluid flows rapidly from the valve chamber 301 into the control chamber 302 through the first and second flow channels 303 and 304, achieving rapid valve opening. After impact, the second elastic element 306 pushes the second pressing block 305, and the actuating fluid can only slowly flow back to the valve chamber 301 through the narrower second flow channel 304, thus applying a slow reset force to the valve core 211, causing it to slowly reset. This "rapid opening and slow closing" characteristic ensures that water can continue to flow for a short period after impact, allowing the water wedge effect to fully develop and improving the thoroughness of the demolition.

[0075] Example 5

[0076] To further enhance the impact effect and the smooth switching of the water jet direction, this embodiment has been further improved.

[0077] The impact hammer 200 includes a hammer base 201 and an impact rod 202 that can slide along its axis. The front end of the impact rod 202 is the impact head 203. As the impact hammer 200 swings toward the building, when the hammer base 201 suddenly decelerates due to the impact, the impact rod 202 continues to slide forward due to its own inertia. This inertial energy amplification effect gives the impact rod 202 a higher relative velocity than the hammer base 201 at the moment of contact with the target, thus impacting the target with greater kinetic energy.

[0078] The relative sliding of the impact rod 202 allows for automatic switching of the water flow direction. The hammer base 201 has a diversion chamber 400 connected to the fire hose 118. When the impact rod 202 is in its initial first position (before impact or in the early stages of impact), its first flow hole 401 (connecting to the front extinguishing flow channel 205) is closed by the blocking wall 402 on the hammer base 201; while the second flow hole 403 (connecting to the rear backwash flow channel 206) on the hammer base 201 is open. At this time, the water flow is mainly used for backwash acceleration. When the impact rod 202 moves forward to the second position under inertia (after complete impact penetration), its position changes: the first flow hole 401 opens, offsetting the blocking wall 402, and the extinguishing flow channel 205 is open; simultaneously, the blocking ring 404 on the impact rod 202 aligns with and closes the second flow hole 403, and the backwash flow channel 206 is closed.

[0079] This switching mechanism ensures that energy is used for recoil acceleration during the impact phase, and automatically switches to forward spray fire extinguishing after demolition is completed, achieving seamless connection of rescue operations and greatly improving water utilization efficiency and the continuity of rescue.

[0080] Example 6

[0081] To further optimize the efficiency of the turbine 207, multiple axially extending ribs 405 can be installed in the backwash channel 206, upstream of the turbine 207. These ribs 405 rectify the water flow, making the water flow smoother and more directional in impacting the blades of the turbine 207, thereby improving energy conversion efficiency and allowing the impact head 203 to obtain higher speed and torque.

[0082] The method of use provided by this invention specifically includes the following steps:

[0083] S1. After the fire truck arrives at the fire scene, the fire commander quickly conducts a fire reconnaissance. Based on the reconnaissance results, a specific firefighting plan is formulated. This plan includes the locations where windows need to be broken, the flight path of the drone 111, and the lifting and swinging trajectory of the impact hammer 200. Following the plan, firefighters first wind the first cable 114 around the rotating component, then control the drone 111 to prop up the support component 112 onto the building.

[0084] S2. After the support component 112 is erected, the firefighters control the first winch device 115 to operate. The first winch device 115 lifts the impact hammer 200, which is connected to the fire hose 118 and the second cable 116, to the designated position on the building via the first cable 114.

[0085] S3. After the impact hammer 200 reaches the designated position, firefighters control the second winch 117 to operate. The second winch 117 drives the impact hammer 200 to reciprocate around the rotating member 113, moving it closer to or away from the building, via the second cable 116, so that the impact hammer 200 repeatedly strikes the external envelope structure at the designated location on the building. During this process, firefighters control the water supply system to input high-pressure water into the fire hose.

[0086] If the explosion-proof glass is not penetrated, the high-pressure water jet will enter the backwash channel 206. The water jet from the backwash channel 206 will generate a backward thrust, simultaneously driving the water wheel 207 to rotate. This not only helps maintain the stability of the impact hammer 200, ensuring that the central axis of the impact hammer 200 is as perpendicular as possible to the glass plane at the moment of contact with the glass; but also, when the impact head 203 cuts into the explosion-proof glass, the water wheel 207 will drive the impact head 203 to rotate at high speed around its own axis, causing the edge 204 on the impact head 203 to tear the polymer interlayer inside the explosion-proof glass, thereby destroying the explosion-proof glass.

[0087] In addition, a portion of the high-pressure water flows into the water storage chamber 210 through the first branch pipe and compresses the first elastic element 213. When the impact head strikes the explosion-proof glass, the inertia from the impact causes the valve core 211 to move forward, and the actuating fluid flows rapidly from the valve chamber 301 into the control chamber 302 through the first flow channel 303, thereby opening the guide channel 209. At this time, under the pressure of the first extrusion block 212 and the first elastic element 213, the water in the water storage chamber 210 is ejected at high speed from the tip of the impact head 203 through the guide channel 209 and the injection channel 208, accurately hitting the impact point and assisting the impact hammer 200 in breaking the window using the water wedge effect.

[0088] S4. After the impact hammer 200 penetrates the outer envelope at the designated location of the building, the hammer base 201 will suddenly decelerate due to the obstruction from the unpenetrated portion of the explosion-proof glass. At this time, the impact rod 202 will continue to slide forward under its own inertia, moving from the first position to the second position, thereby closing the backwash channel 206 and opening the fire extinguishing channel 205. In this way, the control water supply system is able to deliver the extinguishing agent into the building sequentially through the fire hose 118 and the fire extinguishing channel 205.

[0089] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A fire truck carrying a drone, comprising a vehicle body, characterized in that, The vehicle body is equipped with a drone, the drone is equipped with a support component, and the support component is equipped with a rotating component; When carrying out firefighting operations, the support is erected on the building, and a first cable is wound around the rotating part. The first end of the first cable is connected to an impact hammer, and the second end of the first cable is connected to a first winch device. The first winch device can drive the impact hammer to move to a designated position through the first cable. The impact hammer is connected to a second winch via a second cable. The second winch can drive the impact hammer to swing back and forth around the rotating part towards or away from the building via the second cable. The impact hammer has a conical impact head at one end near the building. The impact head has a fire extinguishing channel. The fire extinguishing channel is connected to a water supply system through a fire hose. The water supply system can deliver the fire extinguishing agent into the building in sequence through the fire hose and the fire extinguishing channel. The impact hammer is also equipped with a backwash channel that can be connected to a fire hose, and the thrust line generated by the water jet from the backwash channel extends away from the building. The backwash channel is equipped with a water wheel that is linked to the impact head. The water wheel can drive the impact head to rotate around its axis under the action of the water flow in the backwash channel. Multiple ridges are evenly distributed on the outer side wall of the impact head in the circumferential direction, and the ridges extend along the axial direction of the impact head. The impact hammer includes a hammer base and an impact rod slidably connected to the hammer base. The impact rod is capable of moving relatively away from the hammer base in a direction closer to the building under inertia. On the trajectory of the impact rod moving away from the hammer base, a first position and a second position are sequentially provided in the direction away from the hammer base; The hammer base is provided with a diversion cavity that communicates with the fire hose; The fire extinguishing channel is located inside the impact rod, and the side wall of the impact rod is provided with a first flow hole that communicates with the fire extinguishing channel. The hammer seat is provided with a blocking wall that cooperates with the first flow hole. The backflow channel is located between the impact rod and the hammer seat, and a second flow hole is provided between the flow divider and the backflow channel. The impact rod is provided with a blocking ring that cooperates with the second flow hole. When the impact rod is in the first position, the first flow hole is aligned with the blocking wall, and the second flow hole is offset from the blocking ring; When the impact rod is in the second position, the first flow hole is offset from the blocking wall, and the second flow hole is aligned with the blocking ring.

2. A fire truck carrying an unmanned aerial vehicle according to claim 1, characterized in that, The tip of the impact head is connected to an injection channel, which is connected to a water storage chamber via a guide channel. A valve core capable of opening or closing the guide channel is provided at the guide channel. The valve core can move to the position of opening the guide channel under the action of inertia. The valve core is connected to a reset component, which has the tendency to drive the valve core to the position of closing the guide channel. The water storage cavity is sealed and slidably connected to a first compression block, and the first compression block is connected to a first elastic element.

3. A fire truck carrying an unmanned aerial vehicle according to claim 2, characterized in that, The reset assembly includes a valve chamber and a control chamber filled with actuating fluid. A first flow channel and a second flow channel are connected between the valve chamber and the control chamber. The valve core is slidably connected to the valve chamber in a sealed manner. A second compression block is slidably connected inside the control chamber in a sealed manner. The second compression block is connected to a second elastic element.

4. A fire truck carrying an unmanned aerial vehicle according to claim 3, characterized in that, The first flow channel is provided with a check valve, which is used to restrict the actuating fluid from flowing from the control chamber into the valve chamber through the first flow channel.

5. A fire truck carrying an unmanned aerial vehicle according to claim 1, characterized in that, The outer diameter of the blocking ring is clearance-fitted with the inner diameter of the backflow channel. Multiple ribs are evenly distributed circumferentially between the impact rod and the blocking ring, and the ribs extend axially along the backflow channel.

6. The method of using the fire truck carrying an unmanned aerial vehicle as described in any one of claims 1 to 5, characterized in that, Includes the following steps: S1. Wrap the first cable around the rotating component and control the drone to set up the support component on the building. S2. Control the operation of the first hoisting device to lift the impact hammer connected to the fire hose and the second cable to the designated position on the building via the first cable; S3. Control the operation of the second winch device to drive the impact hammer to swing back and forth around the rotating part near or away from the building via the second cable, so that the impact hammer reciprocates to strike the outer enclosure structure at the designated location of the building. S4. After the impact hammer penetrates the outer envelope at the designated location of the building, control the water supply system to deliver the extinguishing agent into the building through the fire hose and extinguishing channel in sequence.

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