Fire fighting truck capable of entering dense smoke fire scene

Abstract

The invention relates to a fire fighting truck capable of entering a dense-smoke fire scene. The fire fighting truck comprises a fire fighting truck body, a high-pressure gas storage tank, a fire extinguishing agent, a seat and a positive-pressure air source, the fire fighting truck body comprises a truck body, wheels and a control mechanism, the wheels comprise pneumatic hubs, and the two ends of the control mechanism are connected with the pneumatic hubs and direction handles respectively; the seat is located on one side of the steering handle, a bottom window is arranged on the bottom face of the vehicle body and located between the seat and the steering handle, exhaust holes communicating the interior and the exterior of the vehicle body are embedded in the bottom window, and a skirt edge is arranged around the bottom window. A fire extinguishing device is arranged on the vehicle body; the high-pressure air storage tank is connected with a positive-pressure air source and the pneumatic hub. Compared with the prior art, the fire fighting truck has the advantages that the space defined by the bottom window, the skirt and the ground is a positive pressure environment, smoke cannot enter the fire fighting truck, an operator can observe the position of the fire fighting truck through the bottom window, and the fire fighting truck can smoothly drive to the position where a fire occurs in dense smoke to extinguish the fire; the overall structure is simple, the size is small, and the device is suitable for narrow space.

Description

Technical Field

[0001] The present invention relates to fire-fighting equipment, and more particularly to a fire truck capable of entering a thick smoke and fire field. Background Art

[0002] With the continuous popularization and promotion of new energy vehicles, it has become a necessity in many new communities to install new energy charging piles in garages. As a power-intensive device, in the event of abnormal situations during the charging process of new energy charging piles, such as circuit short circuits, overloads, or battery failures, it is extremely easy to trigger electrical fires. Especially in a relatively enclosed garage environment with poor ventilation conditions, once the fire spreads, the consequences will be unimaginable. Garages often have a small space and a complex structure, and coupled with the dense parking of vehicles, once a fire occurs, it not only threatens the lives and property safety of residents but also brings great difficulties to fire-fighting and rescue work. Due to their large volume, traditional large fire trucks are difficult to quickly enter the interior of the garage and often can only carry out long-distance firefighting from the outside, which undoubtedly increases the difficulty and timeliness of rescue.

[0003] After retrieval, the application publication number CN116803450A discloses a forest and grassland rapid fire extinguishing vehicle, which specifically discloses that the forest and grassland rapid fire extinguishing vehicle is composed of a chassis moving part, a fire prevention carriage part, a soft fireproof and heat-insulating part, an air-conditioning gas cooling part, a wind fire extinguishing part, an air compressor inflation and oxygen supply part, and a plowing part. However, this existing technology is mainly aimed at forest fires and is not suitable for the relatively small environment of underground garages.

[0004] Therefore, how to design a fire truck that can adapt to a narrow underground garage is a technical problem to be solved. Summary of the Invention

[0005] The purpose of the present invention is to provide a fire truck capable of entering a thick smoke and fire field in order to overcome the defect of the above-mentioned existing technology that it is not suitable for a narrow environment.

[0006] The purpose of the present invention can be achieved by the following technical solutions:

[0007] According to one aspect of the present invention, there is provided a fire truck capable of entering a thick smoke and fire field, including a fire truck body, and a high-pressure gas storage tank, a fire extinguishing agent, seats, and a positive pressure air source installed in the fire truck body;

[0008] The fire truck body comprises a vehicle body, wheels and a control mechanism, wherein the wheels are mounted on the vehicle body, the wheels comprise pneumatic hubs, one end of the control mechanism is connected to the pneumatic hub, and the other end is provided with a steering handle; the seat is located on one side of the steering handle, a bottom window is provided on the surface of the vehicle body close to the ground, the bottom window is located between the seat and the steering handle, an exhaust hole connecting the inside and outside of the vehicle body is embedded in the bottom window, a skirt is provided around the bottom window, and the skirt extends from around the bottom window to the ground; a fire extinguishing device is provided on the vehicle body;

[0009] The high-pressure air storage tank is connected to a positive-pressure air source and a pneumatic hub.

[0010] As a preferred technical solution, fire identification lines are drawn on the ground on which the fire truck travels.

[0011] As a preferred technical solution, the fire extinguishing device includes a first fire extinguishing nozzle, a sealing plug and three ball joints, the three ball joints are respectively arranged at the front and two sides of the vehicle body along the driving direction, the first fire extinguishing nozzle or the sealing plug is inserted into the three ball joints, and a sealing ring is provided between the ball joint and the first fire extinguishing nozzle or the sealing plug.

[0012] As a preferred technical solution, the end of the first fire extinguishing nozzle located inside the vehicle body is connected to the first operating handle and is provided with a fire extinguishing agent inlet; the end of the first fire extinguishing nozzle located outside the vehicle body is provided with a nozzle;

[0013] The first fire extinguishing nozzle is retractable.

[0014] As a preferred technical solution, there are multiple exhaust holes located in the middle and around the bottom viewing glass;

[0015] A slide rail is provided on one side of the outer side of the bottom viewing window, a cleaning brush is installed on the slide rail, and the cleaning brush is in contact with the bottom viewing window.

[0016] As a preferred technical solution, the fire truck also includes an auxiliary device installed on the side of the vehicle body, the auxiliary device includes a second operating handle and a manipulator, the manipulator is retractable, a ball joint is provided on the vehicle body, and the manipulator passes through the ball joint; one end of the manipulator located inside the vehicle body is connected to the second operating handle.

[0017] As a preferred technical solution, the fire truck also includes an auxiliary device installed on the side of the vehicle body, the auxiliary device includes a movable sealing port, an elastic sealing layer is provided inside the movable sealing port, an operating hole is provided in the middle of the elastic sealing layer; a movable door is provided on one side of the movable sealing port.

[0018] As a preferred technical solution, the vehicle body is provided with a fireproof and heat-insulating layer; the side of the vehicle body is provided with a planar window, and a high-temperature resistant retractable protective curtain is provided outside the planar window.

[0019] As a preferred technical solution, the top surface of the vehicle body is provided with a ball joint and a second fire extinguishing nozzle, and the second fire extinguishing nozzle includes a first nozzle section and a second nozzle section forming an L shape;

[0020] The first nozzle section passes through the ball joint, and the second nozzle section is retractable and located outside the vehicle body; the second nozzle section is provided with a fire extinguishing agent inlet at one end close to the first nozzle section, and a fire extinguishing agent outlet at one end away from the first nozzle section; the fire extinguishing agent inlet is connected to a fire hose.

[0021] As a preferred technical solution, the fire truck also includes an electrically connected battery and a lighting lamp.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1) The surface of the fire truck body close to the ground is provided with a bottom window, and the exhaust hole is connected with the inside of the car in a positive pressure environment and the outside of the bottom window. When in a thick smoke environment, the space surrounded by the bottom window, the skirt and the ground is a positive pressure environment, and smoke will not enter. The operator can rely on the bottom window to observe the position of the fire truck, so that the fire truck can smoothly drive to the location of the fire in the thick smoke to extinguish the fire; the high-pressure gas storage tank is connected to the pneumatic wheel hub to provide power for the fire truck; the high-pressure gas storage tank is connected to the positive pressure air source to maintain a positive pressure environment in the fire truck, prevent smoke from entering the interior of the fire truck, and ensure the safety of the fire extinguishers; the overall structure of the present invention is simple, the volume is small, and it is suitable for small spaces.

[0024] 2) Firefighting marking lines are drawn on the ground where the fire truck of the present invention travels, and firefighters can observe the marking lines through the bottom window, so that they can drive the fire truck more conveniently.

[0025] 3) The first fire-extinguishing nozzle of the present invention can be detachably installed in the ball joint. It is installed in the front when the vehicle is moving and does not affect the driving of the vehicle. It can be installed according to the location of the fire point when extinguishing the fire, and has high flexibility. The first fire-extinguishing nozzle is rotatably connected to the vehicle body and is retractable. The operator can rotate the first operating handle in the vehicle to operate and extinguish the fire points at different positions. The sealing ring can prevent smoke from entering the vehicle. The second fire-extinguishing nozzle is arranged on the roof, which can be directly connected to an external fire hose for auxiliary fire extinguishing. The auxiliary device is installed on the vehicle body, and the operator can carry out operations such as carrying and breaking windows in the vehicle according to the needs of the fire scene.

[0026] 4) The vehicle body of the present invention is provided with a flat window, which can be used by operators to observe the environment when the smoke concentration is not high. A high-temperature resistant retractable protective curtain is provided outside the flat window, which is extended to block the flat window when the external temperature is high to prevent the flat window from being damaged and causing danger due to high temperature; a fireproof and heat-insulating layer is provided on the vehicle body to prevent the temperature inside the vehicle from being too high.

[0027] 5) The exhaust holes of the present invention are located in the middle and around the bottom viewing glass, ensuring uniform smoke discharge and clear vision; a cleaning brush is installed outside the bottom viewing window to clean the bottom viewing window and prevent it from being covered by smoke. Brief Description of the Drawings

[0028] Figure 1 It is a schematic diagram of the overall structure of a fire truck capable of entering a thick smoke fire scene from the first angle of the present invention;

[0029] Figure 2 It is a schematic diagram of the overall structure of a fire truck capable of entering a thick smoke fire scene from the second angle of the present invention;

[0030] Figure 3 It is a schematic diagram of the overall structure of a fire truck capable of entering a thick smoke fire scene from the third angle of the present invention;

[0031] Figure 4 It is a schematic diagram of the internal structure of a fire truck capable of entering a thick smoke fire scene of the present invention;

[0032] Figure 5 It is a schematic diagram of the installation structure of the second fire extinguishing nozzle of the present invention;

[0033] As shown in the figure by the reference numerals:

[0034] 1. Fire truck body, 10. Vehicle body, 11. Wheels, 110. Pneumatic hubs, 12. Control mechanism, 120. Steering handle, 13. Bottom viewing window, 130. Exhaust holes, 131. Skirt, 14. Fire extinguishing device, 140. First fire extinguishing nozzle, 141. Sealing plug, 142. Ball joint, 143. Sealing ring, 144. First operation handle, 15. Slide rail, 150. Cleaning brush, 160. Movable sealing port, 161. Elastic sealing layer, 162. Operation hole, 163. Movable door, 17. Fireproof and heat-insulating layer, 18. Front viewing window, 180. Retractable protective curtain, 19. Second fire extinguishing nozzle, 190. First nozzle section, 191. Second nozzle section, 1910. Fire extinguishing agent inlet, 1911. Fire extinguishing agent outlet, 2. High-pressure gas storage tank, 3. Fire extinguishing agent, 4. Seat, 5. Positive pressure air source. Detailed Embodiment

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0036] Embodiment 1

[0037] This embodiment provides a fire truck capable of entering a thick smoke fire scene, including a fire truck body 1, a high-pressure gas storage tank 2, a fire extinguishing agent 3, a seat 4, a positive pressure air source 5, a storage battery, and a lighting lamp. Fire fighting signs are drawn on the ground where the fire truck travels, so that the fire fighting personnel can drive by observing the bottom window 13, and it can be applied to underground garages. The fire extinguishing agent 3 can be fire extinguishing powder cakes, water, etc.

[0038] The fire truck body 1 includes a vehicle body 10, wheels 11, and a control mechanism 12. The wheels 11 are installed on the vehicle body 10. The number of wheels 11 can be three or four. The wheels 11 installed at the front of the vehicle are pneumatic hubs 110. Part of the control mechanism 12 is located inside the vehicle body 10 and is provided with a control handle or a steering wheel; part of it is located outside the vehicle body 10 and is connected to the pneumatic hub 110.

[0039] As Figure 4 shown, the high-pressure gas storage tank 2, the fire extinguishing agent 3, the seat 4, and the positive pressure air source 5 are installed inside the vehicle body 10. The fire extinguishing agent 3 can be a fire extinguishing powder cake or water and is placed under the seat 4. In front of the seat 4 is the control mechanism 12, which facilitates the fire fighting personnel sitting on the seat 4 to drive the fire truck through the control mechanism 12. The positive pressure air source 5 is installed at the top inside the vehicle body 10 and is connected to the high-pressure gas storage tank 2 to provide clean air inside the vehicle and keep the inside of the vehicle under positive pressure to prevent smoke and dust from entering the vehicle and endangering the safety of the fire fighting personnel. The high-pressure gas storage tank 2 is connected to the pneumatic hub 110 to provide driving force for the fire truck.

[0040] As Figure 3 shown, a bottom window 13 is provided at the bottom of the vehicle body 10. The bottom window 13 is located between the seat 4 and the control mechanism 12. The fire fighting personnel drive by observing the bottom window 13; a skirt 131 is provided around the outside of the bottom window 13. The skirt 131 extends from around the bottom window 13 to the ground. An exhaust hole 130 communicating the inside and outside of the vehicle body 10 is provided inside the bottom window 13. There are multiple exhaust holes 130, which are located in the middle and around the bottom glass to ensure clear vision; when the high-pressure gas storage tank 2 supplies high-pressure clean air into the vehicle, a positive pressure environment is formed in the space enclosed by the bottom window 13, the skirt 131, and the ground, and external smoke and dust will not enter, so that the fire fighting personnel can still maintain good vision in a thick smoke environment. A slide rail 15 is provided on one side outside the bottom window 13. A cleaning brush 150 is installed on the slide rail 15. The cleaning brush 150 contacts the bottom window 13 and brushes the bottom window 13 when sliding along the slide rail 15 to prevent the glass from being covered by smoke.

[0041] As Figure 2As shown in the figure, a fire extinguishing device 14 is provided on the side of the vehicle body 10. The fire extinguishing device 14 includes a first fire extinguishing nozzle 140, a sealing plug 141, a spherical joint 142, and a first operating handle 144. Spherical joints 142 are provided on the front and two sides of the vehicle body 10, and the first fire extinguishing nozzle 140 is telescopic. The first fire extinguishing nozzle 140 or the sealing plug 141 is inserted into the spherical joint 142. A sealing ring 143 is provided between the spherical joint 142 and the first fire extinguishing nozzle 140 to prevent smoke from entering the vehicle from the connection. The first fire extinguishing nozzle 140 can rotate around the spherical joint 142 as the center of rotation. Whether the first fire extinguishing nozzle 140 or the sealing plug 141 is inserted into the spherical joint 142 can be selected according to the actual situation. For example, during vehicle driving, to avoid affecting vehicle driving, the first fire extinguishing nozzle 140 is inserted into the spherical joint 142 on the front of the vehicle body 10, and the sealing plug 141 is inserted into the spherical joint 142 on the side of the vehicle body 10. After reaching the fire point, the first fire extinguishing nozzle 140 is inserted into the spherical joint 142 on the side of the vehicle body 10 for fire extinguishing operations, and the sealing plug 141 is inserted into the spherical joint 142 on the front of the vehicle body 10.

[0042] One end of the first fire extinguishing nozzle 140 located inside the vehicle body 10 is connected to the first operating handle 144 and is provided with an inlet for the fire extinguishing agent 3, which can be connected to the fire extinguishing agent 3. The end of the first fire extinguishing nozzle 140 located outside the vehicle body 10 is provided with a nozzle, and the nozzle sprays the fire extinguishing agent 3. The fire extinguishing personnel rotate the first operating handle 144 in the fire truck to direct the first fire extinguishing nozzle 140 towards different fire locations for fire extinguishing.

[0043] An auxiliary device is also provided on the side of the vehicle body 10. The auxiliary device includes a second operating handle and a manipulator. A spherical joint 142 is provided on the vehicle body 10. The manipulator passes through the spherical joint 142. A sealing ring 143 is provided between the spherical joint 142 and the manipulator to prevent smoke from entering the vehicle from the connection. The manipulator can rotate around the spherical joint 142 as the center of rotation. One end of the manipulator located inside the vehicle body 10 is connected to the second operating handle. The fire extinguishing personnel rotate the second operating handle in the fire truck to make the manipulator perform operations such as carrying and window breaking according to the fire situation.

[0044] As Figure 1 shown in the figure, a flat viewing window 18 is also provided on the side of the vehicle body 10. When the dust concentration outside the fire truck is relatively low, it can assist the fire extinguishing personnel to observe the external environment. A high-temperature resistant telescopic protective curtain 180 is provided outside the flat viewing window 18. When the temperature outside the fire truck is relatively high, the high-temperature resistant telescopic protective curtain 180 extends to block the flat viewing window 18 to protect the glass inside the flat viewing window 18 and prevent the glass from being damaged by high temperature.

[0045] As Figure 5As shown in the figure, a second fire extinguishing nozzle 19 is provided at the top outside the vehicle body 10. The second fire extinguishing nozzle 19 includes a first nozzle section 190 and a second nozzle section 191 that form an L shape. The first nozzle section 190 passes through the spherical joint 142, and the second nozzle section 191 is telescopic and located outside the vehicle body 10. An extinguishing agent inlet 1910 is provided at one end of the second nozzle section 191 close to the first nozzle section 190, and an extinguishing agent outlet 1911 is provided at the end far from the first nozzle section 190. The extinguishing agent inlet 1910 can be directly connected to an external fire hose. The second fire extinguishing nozzle 19 can rotate on the roof of the vehicle to spray the extinguishing agent 3 at the ignition points in different directions for fire extinguishing.

[0046] A fireproof and heat-insulating layer 17 is provided on the entire outer shell of the vehicle body 10 to prevent the temperature inside the fire truck from rising abnormally during the fire extinguishing process and ensure the safety of the fire extinguishing personnel.

[0047] The storage battery is used to connect the lighting lamps inside the vehicle to provide lighting.

[0048] Embodiment 2

[0049] This embodiment provides a fire truck that can enter a thick smoke fire scene. Different from Embodiment 1, the auxiliary device on the side of the vehicle body 10 includes a movable sealing port 160. An elastic sealing layer 161 is provided inside the movable sealing port 160, and an operation hole 162 is provided in the middle of the elastic sealing layer 161. The arm or manipulator of the fire extinguishing personnel can open the operation port and extend outside the vehicle body 10. After the arm or manipulator retracts, the operation port tightens. A movable door 163 is provided on one side of the movable sealing port 160. The movable door 163 is opened when the arm or manipulator extends and closed when it retracts. The movable door 163 can be used to seal the vehicle body 10 and protect the elastic sealing layer 161. The fire extinguishing personnel perform operations such as carrying and window breaking according to the fire scene situation through the arm or manipulator.

[0050] After the fire truck enters the fire scene, open the high-pressure gas storage tank 2. The fire extinguishing personnel observe the ground fire-fighting marking lines through the bottom view window 13. After driving the fire truck to the ignition point, operate the first fire extinguishing nozzle 140 and the second fire extinguishing nozzle 19 for fire extinguishing, and operate the auxiliary device for operation according to actual needs. After the fire extinguishing is completed, exit the fire scene according to the ground fire-fighting marking lines. The present invention can work in the fire scene for at least half an hour. The present invention can be used as a standing fire-fighting facility in places such as underground garages. The management personnel drive it during daily fire inspections to be familiar with the fire-fighting marking lines, so as to extinguish fires more quickly when a fire occurs and reduce losses.

[0051] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of various equivalent modifications or substitutions, and these modifications or substitutions should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. A fire truck capable of entering a dense smoke fire scene, characterized in that: The fire truck comprises a fire truck body (1), a high-pressure gas storage tank (2), a fire extinguishing agent (3), a seat (4), and a positive-pressure air source (5) installed in the fire truck body (1); The fire truck body (1) comprises a vehicle body (10), a wheel (11) and a control mechanism (12), wherein the wheel (11) is mounted on the vehicle body (10), the wheel (11) comprises a pneumatic hub (110), one end of the control mechanism (12) is connected to the pneumatic hub (110), and the other end is provided with a steering handle (120); the seat (4) is located on one side of the steering handle (120), a bottom window (13) is provided on the surface of the vehicle body (10) close to the ground, the bottom window (13) is located between the seat (4) and the steering handle (120), an exhaust hole (130) connecting the inside and outside of the vehicle body (10) is embedded in the bottom window (13), a skirt (131) is provided around the bottom window (13), and the skirt (131) extends from around the bottom window (13) to the ground; a fire extinguishing device (14) is provided on the vehicle body (10); The high-pressure air storage tank (2) is connected to a positive-pressure air source (5) and a pneumatic hub (110).

2. A fire truck capable of entering a dense smoke fire scene according to claim 1, characterized in that: There are fire marking lines drawn on the ground where the fire truck is driving.

3. A fire truck capable of entering a dense smoke fire scene according to claim 1, characterized in that: The fire extinguishing device (14) comprises a first fire extinguishing nozzle (140), a sealing plug (141) and three ball joints (142). The three ball joints (142) are respectively arranged at the front and two sides of the vehicle body (10) along the driving direction. The first fire extinguishing nozzle (140) or the sealing plug (141) is inserted into the three ball joints (142). A sealing ring (143) is provided between the ball joint (142) and the first fire extinguishing nozzle (140) or the sealing plug (141).

4. A fire truck capable of entering a dense smoke fire scene according to claim 3, characterized in that: One end of the first fire extinguishing nozzle (140) located inside the vehicle body (10) is connected to the first operating handle (144) and is provided with an inlet for the fire extinguishing agent (3); and one end of the first fire extinguishing nozzle (140) located outside the vehicle body (10) is provided with a nozzle; The first fire extinguishing nozzle (140) is retractable.

5. A fire truck capable of entering a dense smoke fire scene according to claim 1, characterized in that: There are a plurality of exhaust holes (130) located in the middle and around the bottom viewing glass; A slide rail (15) is provided on one side of the outside of the bottom viewing window (13), a cleaning brush (150) is installed on the slide rail (15), and the cleaning brush (150) is in contact with the bottom viewing window (13).

6. A fire truck capable of entering a dense smoke fire scene according to claim 1, characterized in that: The fire truck also includes an auxiliary device installed on the side of the vehicle body (10), the auxiliary device including a second operating handle and a manipulator, the manipulator is retractable, a ball joint (142) is provided on the vehicle body (10), and the manipulator passes through the ball joint (142); one end of the manipulator located inside the vehicle body (10) is connected to the second operating handle.

7. A fire truck capable of entering a dense smoke fire scene according to claim 1, characterized in that: The fire truck also includes an auxiliary device installed on the side of the vehicle body (10), the auxiliary device including a movable sealing port (160), an elastic sealing layer (161) is provided inside the movable sealing port (160), an operating hole (162) is provided in the middle of the elastic sealing layer (161); and a movable door (163) is provided on one side of the movable sealing port (160).

8. The fire truck capable of entering a dense smoke fire scene according to claim 1, characterized in that: The vehicle body (10) is provided with a fireproof heat-insulating layer (17); a flat window (18) is provided on the side of the vehicle body (10), and a high-temperature-resistant retractable protective curtain (180) is provided outside the flat window (18).

9. A fire truck capable of entering a dense smoke fire scene according to claim 1, characterized in that: The top surface of the vehicle body (10) is provided with a ball joint (142) and a second fire extinguishing nozzle (19), wherein the second fire extinguishing nozzle (19) comprises a first nozzle section (190) and a second nozzle section (191) forming an L shape; The first nozzle section (190) passes through the ball joint (142); the second nozzle section (191) is retractable and located outside the vehicle body (10); an end of the second nozzle section (191) close to the first nozzle section (190) is provided with a fire extinguishing agent inlet (1910), and an end of the second nozzle section (191) away from the first nozzle section (190) is provided with a fire extinguishing agent outlet (1911); the fire extinguishing agent inlet (1910) is connected to a fire hose.

10. A fire truck capable of entering a dense smoke fire scene according to claim 1, characterized in that: The fire truck also includes a battery and lights for electrical connections.

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