CN112604210B - Forest aviation fire extinguishing bomb thrown through gravity and using method - Google Patents
Forest aviation fire extinguishing bomb thrown through gravity and using method Download PDFInfo
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- CN112604210B CN112604210B CN202011468996.0A CN202011468996A CN112604210B CN 112604210 B CN112604210 B CN 112604210B CN 202011468996 A CN202011468996 A CN 202011468996A CN 112604210 B CN112604210 B CN 112604210B
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- 230000005484 gravity Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 46
- 239000002360 explosive Substances 0.000 claims abstract description 39
- 230000009471 action Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000013459 approach Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 239000003063 flame retardant Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 230000007480 spreading Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
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- 238000004880 explosion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/02—Dropping, ejecting, or releasing articles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a forest aviation fire extinguishing bomb thrown by gravity and a using method thereof, belonging to the technical design field of fire extinguishing bombs. The fire extinguishing bomb is hung by a forest aviation fire-fighting helicopter and is thrown at a certain height above a fire scene, when the distance between the fire extinguishing bomb and the ground reaches a preset explosive height, a fuse is ignited to detonate the fire extinguishing bomb, and under the action of central charging and tail charging, a fire extinguishing agent is uniformly and quickly thrown to the surface of a burning object to achieve the purpose of fire extinguishing. The forest aviation fire extinguishing bomb is thrown by gravity, so that the problem of low hitting precision of the existing fire extinguishing bomb is solved; through charge structure and great fire extinguishing agent loading ratio, effectively solved current fire extinguishing bomb coverage area little, the fire extinguishing agent distributes the scheduling problem unevenly. The invention can be used for fighting forest fire and grassland fire.
Description
Technical Field
The invention relates to the technical field of fire extinguishing bombs, in particular to a forest aviation fire extinguishing bomb thrown by gravity and a using method thereof.
Background
Forest fires are strong in outburst, large in destructiveness and high in danger, and are one of the most frequent and serious natural disasters in the world. According to the statistics data of the national statistics bureau for nearly 10 years, forest fires cause the damage of forest resources of tens of thousands hectares in China every year, the direct economic loss reaches hundreds of millions of yuan, and the indirect ecological loss is difficult to estimate. Although the occurrence frequency of the serious forest fire is less than 1 percent in the forest fire in China, the fire is the main cause of the casualties of forest fire fighters in China, the fire is difficult to effectively extinguish by the conventional manual fire extinguishing measures, and the fire spreading is often controlled by means of an aerial water-lifting fire extinguishing mode. However, the existing aviation water-lifting fire-extinguishing mode is generally influenced by fire-extinguishing efficiency, and the protection of important targets and important forestry resources and the quick suppression of initial fire are difficult to realize; in addition, due to the fact that water surface is frozen in winter in northern China, when forest fire is encountered in winter, the forest fire is faced with a situation where no water is available in the field.
Aiming at the current situation, the fire extinguishing bomb is projected by a helicopter, an unmanned aerial vehicle and a launching vehicle in a long-distance cluster manner, so that the fire can be quickly and accurately suppressed, an important target can be protected, and the fire extinguishing bomb is not influenced by the terrain and seasons.
The invention discloses a domestic fire extinguishing bomb product, and application number '201911007253.0' invention patent discloses an airborne fire extinguishing bomb and a fire extinguishing method, wherein the fire extinguishing bomb is propelled to fly by a power device, and the spraying of a fire extinguishing agent is realized by a spraying device; the invention patent of application number 201510536499.2 discloses a fire extinguishing bomb for forest crown fire, which sprays water-based fire extinguishing agent by high-pressure gas generated by a gas generator, but the gas generator cannot realize quick and uniform spreading of the fire extinguishing agent under the influence of updraft in a fire scene. The invention patent application No. 201911265588.3 discloses a vehicle-mounted fire extinguishing bomb suitable for transportation, which is projected by a launching vehicle, and although the invention can realize long-distance and dense launching, the launching vehicle is difficult to adapt to the complex terrain of a forest site, and the fire extinguishing bomb has no effective guidance measure, so that the hit precision is low.
In summary, the existing fire extinguishing bomb products have the problems of low fire extinguishing agent filling ratio, small coverage area, uneven fire extinguishing agent spreading, poor emission precision and the like, so that the fire extinguishing bomb which can uniformly spread the fire extinguishing agent, has large coverage area and high hit precision is urgently needed.
Disclosure of Invention
In view of the above analysis, the present invention aims to provide a forest aviation fire extinguishing bomb thrown by gravity and a using method thereof, which are used for solving the problems of low fire extinguishing agent filling ratio, small coverage area, uneven fire extinguishing agent throwing, difficulty in reaching the surface of a burning object under the influence of ascending air flow in a fire scene, poor launching precision, etc. of the existing fire extinguishing bomb products. Ensuring that the fire extinguishing agent is downwards and rapidly close to the surface of a combustion object, and realizing rapid and effective suppression of forest fire.
In order to achieve the purpose, the invention provides a forest aviation fire extinguishing bomb thrown by gravity, which comprises a fuse (1), a central explosive loading pipe (2), a central explosive column (3), a fire extinguishing agent (4), a fire extinguishing bomb shell (5), a tail explosive column (6), a sealing ring (7), a tail end cover (8), an empennage (9), M3 fastening screws (10) and M5 fastening screws (11), wherein the fuse (1) is located at the front end of the fire extinguishing bomb, the central explosive column (3) is arranged in the central explosive loading pipe (2), the fire extinguishing agent (4) is loaded in the fire extinguishing bomb shell (5), the tail explosive column (6) is arranged in the tail end cover (8), the sealing ring (7) is located between the fire extinguishing bomb shell (5) and the tail end cover (8), and the tail (9) is located at the tail of the fire extinguishing bomb.
Furthermore, the fire extinguishing bomb does not need a power device, and the filling ratio of the fire extinguishing agent (4) is ensured.
Furthermore, the fire extinguishing agent (4) is selected from superfine dry powder fire extinguishing agent or intumescent flame retardant, and the filling ratio of the fire extinguishing agent (4) can reach 70-80%.
Further, the tail wing (9) is of a four-wing structure.
Further, the fuse (1) is a standard fuse.
Further, the use method of the fire extinguishing bomb comprises the following steps:
step 1, carrying fire extinguishing bombs by a carrier to the upper air of a forest fire, and releasing the fire extinguishing bombs at a certain height;
step 2, the fire extinguishing bomb approaches to a burning object under the action of gravity, when the fuze (1) detects that the distance between the fire extinguishing bomb and the target is binding explosive height, the fuze (1) ignites, and the fire extinguishing bomb explodes;
and 3, under the action of the power pressure generated by the central explosive column (3) and the tail explosive column (6), the fire extinguishing agent (4) is radially scattered and overcomes the updraft of a fire scene, and the surface of a combustion object is quickly covered, so that the aim of extinguishing fire is fulfilled.
Furthermore, the scattering structure adopts a central explosive loading pipe (2), a central explosive column (3) and a tail explosive column (6).
Furthermore, the central grain (3) and the tail grain (6) are high explosive throwing and spreading.
Compared with the prior art, the invention at least has the following advantages and beneficial effects:
a) the forest aviation fire extinguishing bomb provided by the invention is simple and reliable in structure, and the used fire extinguishing agent is an environment-friendly material and has no secondary damage to the environment and personnel.
b) The forest aviation fire extinguishing bomb provided by the invention does not need a power device, improves the filling ratio of a fire extinguishing agent, increases the coverage area of the fire extinguishing bomb, and simultaneously, after the fire extinguishing bomb is thrown above a fire scene, the fire extinguishing bomb approaches a target under the action of gravity, and the flight attitude of the fire extinguishing bomb is ensured through the tail wing, so that the fire extinguishing bomb can accurately hit the target.
c) The fuse of the forest aviation fire extinguishing bomb provided by the invention adopts a standard fuse, has three-level insurance, adopts a firing mode including near-explosion, collision-explosion and mechanical triggering, and ensures the detonation reliability and storage safety of the fire extinguishing bomb.
d) The forest aviation fire extinguishing bomb provided by the invention adopts a charging mode of 'central powder column + tail powder column', so that not only can the fire extinguishing agent be uniformly scattered in the circumferential direction, but also the fire extinguishing agent can be rapidly and downwardly close to the surface of a burning object, and the forest fire can be rapidly and effectively suppressed.
e) According to the forest aviation fire extinguishing bomb provided by the invention, the central explosive column and the tail explosive column are both high-explosive scattered explosive, so that the fire extinguishing agent can be rapidly scattered and can approach a target under the action of the scattered explosive, and meanwhile, the explosive passes low-vulnerability test checks such as rapid barbecue, slow barbecue and gunshot, and is good in safety.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.
FIG. 1 is a diagram of the composition of a forest fire extinguishing bomb in the embodiment of the invention;
FIG. 2 is a diagram of the shape of a forest fire-extinguishing bomb in the embodiment of the invention;
FIG. 3 is a combined view of the tail end cover and the tail powder column of the forest aviation fire extinguishing bomb in the embodiment of the invention.
In the figure: 1. a fuse; 2. a central loading tube; 3. a central grain; 4. a fire extinguishing agent; 5. a fire extinguishing cartridge housing; 6. a tail charge; 7. a seal ring; 8. a tail cover plate; 9. a tail fin; m3 fastening assembly; m5 fastening assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. In addition, the technical features involved in the respective implementations of the present invention described below may be combined with each other as long as they do not conflict with each other.
This embodiment
A forest fire bomb for aviation by gravity is described, as shown in figures 1 to 3, comprising:
the fuze 1 is used for detecting the distance between the fire extinguishing bomb and the ground, reliably fires and detonates the fire extinguishing bomb when the fire extinguishing bomb reaches the binding explosive height, and the fuze 1 is fixed at the front end of the fire extinguishing bomb shell 5 through threads;
the central charging pipe 2 is used for filling the central grain 3 and isolating the central grain 3 from the fire extinguishing agent 4, the central charging pipe 2 can improve the energy release of the central grain 3 and expand the spreading range of the fire extinguishing agent 4, and the central charging pipe 2 is fixed in a counter bore in the shell 5 of the fire extinguishing bomb through an adhesive;
the central explosive column 3 provides power for radial scattering of the fire extinguishing agent 4 to ensure the scattering radius, and the central explosive column 3 is bonded in the central explosive loading pipe 2 through silicon rubber;
the fire extinguishing agent 4 is the effective load of the fire extinguishing bomb, and achieves the purpose of extinguishing fire by covering the surface of a burning object, and the fire extinguishing agent 4 adopts superfine dry powder fire extinguishing agent or intumescent flame retardant and is filled in the shell 5 of the fire extinguishing bomb;
the fire extinguishing bomb shell 5 is used for ensuring the pneumatic appearance of the fire extinguishing bomb and providing a filling space for a fire extinguishing agent 4, a scattering structure and the like;
the tail explosive column 6 is used for providing downward shock waves for the fire extinguishing agent 4, so that the fire extinguishing agent 4 forms a certain downward speed to overcome upward airflow generated by flame combustion and ensure that the fire extinguishing agent 4 quickly approaches the surface of a combustion object, and the tail explosive column 6 is bonded in the explosive tube of the tail cover plate 8 through silicon rubber;
the sealing ring 7 is used for ensuring the overall air tightness of the fire extinguishing bomb and preventing the fire extinguishing agent from caking due to the entry of water vapor in the processes of transportation, storage and use of the fire extinguishing bomb, and the sealing ring 7 is positioned between the fire extinguishing bomb shell 5 and the tail cover plate 8;
the tail cover plate 8 provides a filling space for the tail charge column 6, and the tail cover plate 8 is fixed at the tail of the fire extinguishing bomb shell 5 through an M3 fastening assembly 10;
the tail wing 9 is used for stabilizing the posture of the fire extinguishing bomb in the flying process, and the tail wing 9 is fixed at the tail part of the fire extinguishing bomb shell 5 through an M5 fastening assembly 11.
A method for using a forest aviation fire extinguishing bomb thrown by gravity comprises the following steps:
s1, carrying the fire extinguishing bomb by the carrier to the upper part of the forest fire, and releasing the fire extinguishing bomb at a certain height;
s2, the fire extinguishing bomb approaches to a burning object under the action of gravity, when the fuze 1 detects that the distance between the fire extinguishing bomb and the target is binding explosive height, the fuze 1 is ignited, and the fire extinguishing bomb is detonated;
s3, under the action of the pressure generated by the central grain 3 and the tail grain 6, the fire extinguishing agent 4 is radially scattered and overcomes the ascending air flow in the fire scene, and the surface of the burning object is quickly covered, so that the purpose of fire extinguishing is achieved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. The utility model provides a forest aviation fire extinguishing bomb of putting through gravity, includes fuze (1), central charge pipe (2), central explosive column (3), fire extinguishing agent (4), fire extinguishing bomb shell (5), afterbody explosive column (6), sealing washer (7), afterbody end cover (8), fin (9), M3 fastening component (10), M5 fastening component (11), fuze (1) is located the fire extinguishing bomb front end, be equipped with central explosive column (3) in central charge pipe (2), fire extinguishing agent (4) are loaded in fire extinguishing bomb shell (5), its characterized in that, fuze (1) are the standard fuze, afterbody explosive column (6) are loaded in afterbody end cover (8), sealing washer (7) are located between fire extinguishing bomb shell (5) and afterbody end cover (8), fin (9) are located the fire extinguishing bomb afterbody.
2. A forest fire extinguishing bomb by gravity feeding as claimed in claim 1, characterised in that the bomb does not require power means, ensuring the loading ratio of the extinguishing agent (4).
3. A forest fire extinguishing bomb thrown by gravity according to claim 2 characterised in that the fire extinguishing agent (4) is selected from superfine dry powder fire extinguishing agent or intumescent fire retardant, the loading ratio of the fire extinguishing agent (4) can reach 70% -80%.
4. A forest fire bomb as set forth in claim 1, characterised in that the tail (9) is of four-wing construction.
5. The utility model provides a forest aviation fire extinguishing bomb of putting through gravity, includes fuze (1), central charge pipe (2), central explosive column (3), fire extinguishing agent (4), fire extinguishing bomb shell (5), afterbody explosive column (6), sealing washer (7), afterbody end cover (8), fin (9), M3 fastening components (10), M5 fastening components (11), fuze (1) is the standard fuze and is located the fire extinguishing bomb front end, be equipped with central explosive column (3) in central charge pipe (2), fire extinguishing agent (4) are loaded in fire extinguishing bomb shell (5), afterbody explosive column (6) are loaded in afterbody end cover (8), sealing washer (7) are located between fire extinguishing bomb shell (5) and afterbody end cover (8), fin (9) are located the fire extinguishing bomb afterbody, and its method of use includes following step:
step 1, carrying fire extinguishing bombs by a carrier to the upper air of a forest fire, and releasing the fire extinguishing bombs at a certain height;
step 2, the fire extinguishing bomb approaches to a burning object under the action of gravity, when the fuze (1) detects that the distance between the fire extinguishing bomb and the target is binding explosive height, the fuze (1) ignites, and the fire extinguishing bomb explodes;
and 3, under the action of the power pressure generated by the central explosive column (3) and the tail explosive column (6), the fire extinguishing agent (4) is radially scattered and overcomes the updraft of a fire scene, and the surface of a combustion object is quickly covered, so that the aim of extinguishing fire is fulfilled.
6. A method of using a forest fire bomb by gravity launch as claimed in claim 5 characterised in that the launch structure takes the form of a central charge tube (2), a central charge (3) and a tail charge (6).
7. A method of using a forest fire extinguishing bomb thrown by gravity according to claim 5 characterised in that the central column (3) and tail column (6) are high burst sprinkled.
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| CN202011468996.0A CN112604210B (en) | 2020-12-14 | 2020-12-14 | Forest aviation fire extinguishing bomb thrown through gravity and using method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011468996.0A CN112604210B (en) | 2020-12-14 | 2020-12-14 | Forest aviation fire extinguishing bomb thrown through gravity and using method |
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| CN112604210B true CN112604210B (en) | 2022-06-07 |
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| CN113926106A (en) * | 2021-10-29 | 2022-01-14 | 四川航天燎原科技有限公司 | Air-drop forest fire extinguishing bomb |
| CN114377318B (en) * | 2022-01-25 | 2022-09-16 | 李映娴 | Suite for forest fire prevention and precaution method thereof |
| US20230308042A1 (en) * | 2022-01-27 | 2023-09-28 | Ameristar Solar, LLC | SOLAR eVTOL DRONE TOWER |
| CN114993117A (en) * | 2022-06-14 | 2022-09-02 | 中国人民解放军火箭军工程大学 | Pressing agent throwing device based on explosion driving and throwing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4964469A (en) * | 1988-05-18 | 1990-10-23 | Smith Wayne D | Device for broadcasting dry material by explosive force |
| EP1716890A4 (en) * | 2004-02-10 | 2011-05-25 | Fed State Unitary Entpr State Res And Production Entpr Bazalt | Method and device for controlling and/or putting out fires |
| CN204319579U (en) * | 2014-12-08 | 2015-05-13 | 北京卓奥通科技有限公司 | Throwing type extinguishing device |
| CN211273254U (en) * | 2019-11-11 | 2020-08-18 | 西北工业大学 | Forest fire extinguishing bomb |
| CN212067512U (en) * | 2020-03-03 | 2020-12-04 | 西安精科华盾应急救援装备有限公司 | Airborne fire rescue bomb |
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