CN211107994U

CN211107994U - Helicopter with water cannon fire extinguishing system

Info

Publication number: CN211107994U
Application number: CN201921930791.2U
Authority: CN
Inventors: 柳振波; 郭振波; 杜浪科
Original assignee: Ningbo Jiede Aviation Technology Co ltd
Current assignee: Suzhou Jiede Aviation Technology Co.,Ltd.
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-28
Anticipated expiration: 2029-11-11

Abstract

The utility model is suitable for a fire-fighting equipment technical field provides a helicopter with water cannon fire extinguishing systems, its water cannon fire extinguishing systems including the water tank that is used for the water storage, be used for the water pump that draws water and be used for the water cannon of water spray. The water tank is installed in the cabin, and the water cannon is installed outside the cabin, and the one end and the water tank of water pump are connected, and the other end is connected with the water cannon. The utility model discloses a water tank is installed in the cabin, need not to occupy the outer load couple in cabin or other fixed part, and the helicopter still can cooperate the fire-fighting well bucket to realize the watering function in the water spray. In addition, the water tank is arranged in the engine room, the limitation of the environment outside the engine room on the size and the shape of the water tank is not required to be considered, the volume and the shape of the water tank can be optimally designed according to the internal space of the engine room and the load capacity of the helicopter, the design requirement of the water tank is reduced, and the capacity of the water tank is improved. The utility model has the advantages of simple overall structure, the practicality is strong, need not extra repacking helicopter, and is with low costs.

Description

Helicopter with water cannon fire extinguishing system

Technical Field

The utility model belongs to the technical field of fire-fighting equipment, especially, relate to a helicopter with water cannon fire extinguishing systems.

Background

Fire extinguishing in high buildings has been a worldwide problem. Adopt the helicopter to carry out the high building and put out a fire is a very effectual means, but the water cannon system of domestic helicopter follow western introduction generally takes ventral formula water tank, ventral formula water tank passes through the ventral external load couple and installs outside the cabin, there are the shortcomings such as complicated structure, small capacity, with high costs in ventral formula water tank, and behind the installation ventral formula water tank, the ventral external load couple is occupied, the fire control well-bucket that the cooperation couple used also can not be used, still need tear abdominal formula water tank down when needing the watering operation, reinstallate the couple.

Some foreign ventral water tank fire extinguishing systems have designed the water tank that can spray for solving this problem, but have installed complicated water absorption device and controlling means additional on the helicopter, reequip many to the helicopter, and the expense is high, and is long-term, and the suction pipe length is short, require very high to the pilot during water absorption, these shortcomings make helicopter mounting plate ventral water tank unable other tasks of execution later on, some units are idle for a long time after purchasing this set of fire extinguishing systems, market practicality is very poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a helicopter with water cannon fire extinguishing systems is provided aims at solving the ventral formula water tank among the prior art and occupies the outer load couple, leads to the unable problem of fire-fighting bucket that the cooperation outer load couple used.

The utility model is realized in such a way, the helicopter with the water cannon fire extinguishing system is provided, and the water cannon fire extinguishing system of the helicopter comprises a water tank for storing water, a water pump for pumping water and a water cannon for spraying water; the water tank is arranged in the engine room, the water cannon is arranged outside the engine room, one end of the water pump is connected with the water tank through a connecting water pipe, and the other end of the water pump is connected with the water cannon through another connecting water pipe.

Further, the water tank is fixedly connected with a floor track groove in the cabin through a mounting assembly.

Furthermore, the water cannon fire extinguishing system also comprises an overflow protection box, wherein the overflow protection box comprises a base, a support column and foldable waterproof cloth; the water tank is positioned in the overflow protection box and is fixed on the base through the mounting assembly, and the base is fixedly connected with a floor track groove in the cabin; the support column is arranged on the edge of the top surface of the base in a surrounding mode, the foldable waterproof cloth is placed on the top surface of the base, the edge of the foldable waterproof cloth extends upwards and is hung on the inner side face of the support column.

Furthermore, a drain pipe is arranged at the bottom of the foldable waterproof cloth, one end of the drain pipe is communicated with the inner space of the foldable waterproof cloth, and the other end of the drain pipe extends out of the engine room.

Furthermore, the water cannon fire extinguishing system also comprises a water adding three-way ball valve and a water outlet three-way ball valve, wherein the connecting water pipe comprises a first connecting water pipe, a second connecting water pipe, a third connecting water pipe, a fourth connecting water pipe and a fifth connecting water pipe; the three-way ball valve for adding water is provided with a first valve port, a second valve port and a third valve port; the first valve port is used for being connected with a water adding valve, the second valve port is connected with the water pump through the first connecting water pipe, and the third valve port is connected with the water tank through the third connecting water pipe; the water outlet three-way ball valve is provided with a fourth valve port, a fifth valve port and a sixth valve port, the fourth valve port is connected with the water pump through the second connecting water pipe, the fifth valve port is connected with the water cannon through the fourth connecting water pipe, and the sixth valve port is connected with the water tank through the fifth connecting water pipe.

Furthermore, the water adding three-way ball valve is a T-shaped three-way ball valve, the water outlet three-way ball valve is an L-shaped three-way ball valve, a first knob switch is arranged in the water adding three-way ball valve, two or three of the first valve port, the second valve port and the third valve port are simultaneously connected by rotating the first knob switch to different angles, and a second knob switch is arranged in the water outlet three-way ball valve, and two of the fourth valve port, the fifth valve port and the sixth valve port are simultaneously connected by rotating the second knob switch to different angles.

Furthermore, the water cannon fire extinguishing system comprises at least two water tanks transversely arranged in the engine room, and the two adjacent water tanks are communicated through a communicating pipe.

Further, water cannon fire extinguishing systems still includes the laser range finder who is used for observing apart from the barrier distance, all install on the barrel of water cannon and in the cockpit of helicopter laser range finder.

Furthermore, the water cannon fire extinguishing system further comprises an infrared camera for observing the ignition point, and the infrared camera is installed in the cockpit of the helicopter.

Further, the helicopter is also provided with an external load hook and a fire bucket, the top end of the external load hook is fixed on the belly of the helicopter, and the fire bucket is hung and buckled on the external load hook.

Compared with the prior art, the utility model, beneficial effect lies in:

the utility model discloses a helicopter, its water tank with water cannon fire extinguishing systems installs in the cabin, need not to occupy the outer load couple or other fixed part outside the cabin, compares in the helicopter of installing the water tank at the ventral position, the utility model discloses a helicopter is when putting out a fire, and equipment such as fire control well bucket that the cooperation was geted in touch and is used also can normal use. Therefore, the helicopter of the utility model can also be matched with the fire bucket to realize the sprinkling function when the gun is used for realizing the sprinkling function.

Furthermore, the utility model discloses a water tank sets up in the cabin, need not to consider the restriction of the complicated environment outside the cabin to water tank size and shape, and the volume and the appearance of water tank can realize the optimal design according to the load capacity of cabin inner space and helicopter to the size and the shape of adjustment water tank that can be nimble have reduced the designing requirement of water tank, and the capacity of the promotion water tank that can be great. The utility model discloses a water cannon fire extinguishing systems overall structure is simple, and the practicality is strong, need not extra repacking helicopter, and is with low costs.

Drawings

Fig. 1 is a schematic side view of a helicopter with a water cannon fire suppression system according to an embodiment of the present invention.

Fig. 2 is a side schematic view of the internal structure of the helicopter shown in fig. 1.

Fig. 3 is a schematic top view of the internal structure of the helicopter shown in fig. 1.

Fig. 4 is a schematic structural view of the water cannon fire extinguishing system of fig. 3.

Fig. 5a to 5d are schematic views of four states of the three-way ball valve for adding water in fig. 2, respectively.

Fig. 6a and 6b are schematic views of two states of the three-way ball valve in fig. 2.

Fig. 7 is a schematic structural view of the water tank and the overflow preventing tank in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, a preferred embodiment of the present invention is shown, which is a helicopter with a water cannon fire-extinguishing system, the water cannon fire-extinguishing system of the helicopter comprises a water tank 1 for storing water, a water pump 2 for pumping water, a connecting water pipe and a water cannon 4. The water tank 1 is arranged in the engine room 100, the water cannon 4 is arranged outside the engine room 100, one end of the water pump 2 is connected with the water tank 1 through a connecting water pipe, and the other end of the water pump is connected with the water cannon 4 through another connecting water pipe.

And starting the water pump 2, pumping water from the water tank 1 into the water cannon 4 by the water pump 2, and spraying water out by the water cannon 4 for fire extinguishment of the high-rise building.

The helicopter of this embodiment, it installs water tank 1 of water cannon fire extinguishing systems in cabin 100, need not to occupy the outer load couple or other fixed part outside cabin 100, compares in the helicopter of installing water tank 1 in the ventral position, and the helicopter of this embodiment is putting out a fire, and equipment such as fire control well bucket that the cooperation couple was used also can normal use.

In addition, the water tank 1 of the embodiment is disposed in the cabin 100, and the size, shape, and other limitations of the water tank 1 due to a complex environment outside the cabin 100 do not need to be considered, and the volume and the shape of the water tank 1 can be optimally designed according to the internal space of the cabin 100 and the load capacity of the helicopter, so that the size and the shape of the water tank 1 can be flexibly adjusted, the design requirement of the water tank 1 is reduced, and the capacity of the water tank 1 can be greatly increased. The water cannon fire extinguishing system of this embodiment overall structure is simple, and the practicality is strong, need not extra repacking helicopter, and is with low costs.

The helicopter of this embodiment is provided with outer load couple and fire bucket, and the top of outer load couple is fixed on the ventral of helicopter, and the fire bucket is hung and is detained on outer load couple. Therefore, the helicopter can realize the water spraying function by utilizing the artillery and can realize the water spraying function by matching with the fire bucket.

In practical application, if only one water tank 1 is arranged, the water tank is possibly long in size, and water flows along with the change of the attitude of the helicopter in the flight process, so that the gravity center of the helicopter is greatly influenced, and the flight safety is influenced. In this embodiment, the water cannon fire extinguishing system includes at least two water tanks 1 transversely disposed in the nacelle 100, and two adjacent water tanks 1 are communicated with each other through a communication pipe 5 (as shown in fig. 7).

Optionally, the water cannon fire extinguishing system further comprises a water adding three-way ball valve 6 and a water outlet three-way ball valve 7, and the connecting water pipes comprise a first connecting water pipe 31, a second connecting water pipe 32, a third connecting water pipe 33, a fourth connecting water pipe 34 and a fifth connecting water pipe 35.

Referring to fig. 5a to 5d, the three-way ball valve 6 is a T-shaped three-way ball valve having a first valve port 61, a second valve port 62 and a third valve port 63; the first valve port 61 is used for being connected with a water adding valve, the second valve port 62 is connected with the water pump 2 through the first connecting water pipe 31, and the third valve port 63 is connected with the water tank 1 through the third connecting water pipe 33. The water adding three-way ball valve 6 is internally provided with a first knob switch, and two or three of the first valve port 61, the second valve port 62 and the third valve port 63 are simultaneously communicated by rotating the first knob switch to different angles.

Referring to fig. 6a and 6b, the three-way ball valve 7 is an L type three-way ball valve, and has a fourth valve port 71, a fifth valve port 72, and a sixth valve port 73, the fourth valve port 71 is connected to the water pump 2 through the second connection water pipe 32, the fifth valve port 72 is connected to the water cannon 4 through the fourth connection water pipe 34, and the sixth valve port 73 is connected to the water tank 1 through the fifth connection water pipe 35, the three-way ball valve 7 has a second knob switch therein, and two of the fourth valve port 71, the fifth valve port 72, and the sixth valve port 73 are simultaneously connected by rotating the second knob switch to different angles.

When a fire hydrant or a fire engine is used for adding water, the water adding three-way ball valve 6 closes the second valve port 62, connects the first valve port 61 and the third valve port 63, adds water into the water tank 1, and stops adding water after the water tank 1 is filled with water.

When the helicopter encounters a dangerous situation in the air, such as one engine is stopped, emergency water drainage is needed, and water in the water tank 1 is discharged out of the engine room through the first valve port 61. At this time, the three-way water-adding ball valve 6 is opened to a full-open position (i.e. three valve ports are all in an on state), the fourth valve port 71 and the fifth valve port 72 of the three-way water-outlet ball valve 7 are connected, and the sixth valve port 73 is closed, so as to realize an emergency water discharging function.

When the water cannon fire extinguishing system needs self-suction (namely, external water is sucked into the water tank 1 through the water pump 2), the first valve port 61 and the second valve port 62 of the water-adding three-way ball valve 6 are communicated, and the third valve port 63 is closed; the fourth valve port 71 and the sixth valve port 73 of the three-way water outlet ball valve 7 are connected, the fifth valve port 72 is closed, the water pump 2 is started, and outside water is sucked into the water tank 1.

When the helicopter carries out fire extinguishing operation in the air, the first valve port 61 of the water adding three-way ball valve 6 is closed, and the second valve port 62 and the third valve port 63 are communicated; the fourth port 71 and the fifth port 72 of the three-way outlet ball valve 7 are connected, and the sixth port 73 is closed. The helicopter is hovered at a position 20m away from the fire point, an operator needs to operate the water pump 2 to pump water from the water tank 1 and spray the water to the fire point through the water cannon 4, and therefore the fire extinguishing purpose is achieved.

It can be seen that this embodiment has realized that a water pump 2 can both spray water and watered function through the cooperation of two tee bend ball valves (one adds water tee bend ball valve 6 and a play water tee bend ball valve 7 promptly).

Optionally, the water cannon fire extinguishing system further comprises an overflow protection box 8, a laser range finder for observing the distance to the obstacle, and an infrared camera for observing the ignition point.

Referring to fig. 7, the overflow protection box 8 includes a base 81, a support column 82, and a foldable tarpaulin 83. The water tank 1 is positioned in the overflow protection box 8 and is fixed on a base 81 through a mounting assembly 9, and the base 81 is fixedly connected with a floor track groove inside the engine room 100. The supporting column 82 is arranged around the edge of the top surface of the base 81, the foldable waterproof cloth 83 is placed on the top surface of the base 81, and the edge of the foldable waterproof cloth 83 extends upwards and is hung on the inner side surface of the supporting column 82. By arranging the overflow protection box 8, the water in the water tank 1 can be prevented from accidentally overflowing into the cabin 100, and the safety of equipment inside the cabin 100 is effectively ensured. The bottom of the foldable tarpaulin 83 is provided with a drain pipe 84, one end of the drain pipe 84 is communicated with the inner space of the foldable tarpaulin 83, and the other end thereof is extended out of the cabin 100, so that if the water of the water tank 1 is overflowed by accident, the water can be discharged out of the cabin 100 through the drain pipe 84.

The laser range finders are arranged on the gun barrel of the water cannon 4 and in the cockpit of the helicopter, and the infrared camera is arranged in the cockpit. The operator can observe the distance to the obstacle through the laser range finder arranged on the gun barrel, the pilot can also observe the distance to the obstacle through the laser range finder arranged on the cockpit, and the operator can observe the ignition point through the infrared camera.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A helicopter with a water cannon fire extinguishing system is characterized in that the water cannon fire extinguishing system comprises a water tank for storing water, a water pump for pumping water and a water cannon for spraying water; the water tank is arranged in the engine room, the water cannon is arranged outside the engine room, one end of the water pump is connected with the water tank through a connecting water pipe, and the other end of the water pump is connected with the water cannon through another connecting water pipe.

2. A helicopter having a water cannon fire suppression system as recited in claim 1, wherein said water tank is fixedly attached to a floor track slot within said nacelle interior by a mounting assembly.

3. A helicopter having a water cannon fire suppression system as recited in claim 2, further comprising an overflow protection box, said overflow protection box comprising a base, a support post, and a collapsible tarp; the water tank is positioned in the overflow protection box and is fixed on the base through the mounting assembly, and the base is fixedly connected with a floor track groove in the cabin; the support column is arranged on the edge of the top surface of the base in a surrounding mode, the foldable waterproof cloth is placed on the top surface of the base, the edge of the foldable waterproof cloth extends upwards and is hung on the inner side face of the support column.

4. A helicopter having a water cannon fire suppression system as recited in claim 3, wherein said collapsible tarp is provided with a drain at a bottom thereof, said drain having one end in communication with the interior space of said collapsible tarp and another end extending out of said nacelle.

5. A helicopter having a water cannon fire suppression system as recited in any of claims 1 to 4, further comprising a water-adding three-way ball valve and a water-outlet three-way ball valve, wherein said connecting water pipes comprise a first connecting water pipe, a second connecting water pipe, a third connecting water pipe, a fourth connecting water pipe and a fifth connecting water pipe; the three-way ball valve for adding water is provided with a first valve port, a second valve port and a third valve port; the first valve port is used for being connected with a water adding valve, the second valve port is connected with the water pump through the first connecting water pipe, and the third valve port is connected with the water tank through the third connecting water pipe; the water outlet three-way ball valve is provided with a fourth valve port, a fifth valve port and a sixth valve port, the fourth valve port is connected with the water pump through the second connecting water pipe, the fifth valve port is connected with the water cannon through the fourth connecting water pipe, and the sixth valve port is connected with the water tank through the fifth connecting water pipe.

6. A helicopter with a water cannon fire extinguishing system as defined in claim 5, wherein said three-way ball valve for adding water is a T-shaped three-way ball valve, said three-way ball valve for discharging water is a L-shaped three-way ball valve, said three-way ball valve for adding water has a first knob switch inside, by turning said first knob switch to different angles, two or three of said first valve port, said second valve port and said third valve port are simultaneously connected, said three-way ball valve for discharging water has a second knob switch inside, by turning said second knob switch to different angles, two of said fourth valve port, said fifth valve port and said sixth valve port are simultaneously connected.

7. A helicopter having a water cannon fire suppression system as defined in any one of claims 1 to 4, wherein said water cannon fire suppression system includes at least two water tanks disposed transversely within said nacelle, adjacent two of said water tanks being in communication with each other through a communication pipe.

8. A helicopter having a water cannon fire suppression system as claimed in any of claims 1 to 4, further comprising a laser rangefinder for observing distance to an obstacle, said laser rangefinder being mounted on the barrel of said water cannon and within the cockpit of the helicopter.

9. A helicopter having a water cannon fire suppression system as recited in any of claims 1 to 4, further comprising an infrared camera for viewing the point of fire, said infrared camera being mounted within the cockpit of the helicopter.

10. A helicopter with a water cannon fire suppression system as recited in any of claims 1 to 4, further provided with an external load hook, the top end of which is fixed to the belly of the helicopter, and a fire bucket, which is hooked on the external load hook.