CN111481857B - Fire extinguishing bomb launching device - Google Patents
Fire extinguishing bomb launching device Download PDFInfo
- Publication number
- CN111481857B CN111481857B CN202010333693.1A CN202010333693A CN111481857B CN 111481857 B CN111481857 B CN 111481857B CN 202010333693 A CN202010333693 A CN 202010333693A CN 111481857 B CN111481857 B CN 111481857B
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- fire extinguishing
- pressure
- extinguishing bomb
- wall
- pressure relief
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- 238000007789 sealing Methods 0.000 claims abstract description 133
- 239000000843 powder Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 19
- 230000006872 improvement Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 description 9
- 229920002160 Celluloid Polymers 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 230000006837 decompression Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920002994 synthetic fiber Polymers 0.000 description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 229920004449 Halon® Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
- A62C3/0228—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires with delivery of fire extinguishing material by air or aircraft
- A62C3/025—Fire extinguishing bombs; Projectiles and launchers therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (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 utility model provides a fire extinguishing bomb launching device, an elastic sealing device is arranged at a pressure relief opening, the elastic sealing device comprises a conical sealing section inserted into the pressure relief opening and a cylindrical body section connected with the conical sealing section, a first annular bulge is arranged on the outer wall of the cylindrical body section, a second annular bulge is arranged on the inner wall of the pressure relief opening, the first annular bulge and the second annular bulge are connected through an elastic piece, a first sealing ring is arranged on the outer wall of the conical sealing section, the elastic piece has the trend of enabling the elastic sealing device to move towards the direction inserted into the pressure relief opening, when the pressure in a power bin is smaller than preset pressure, the first sealing ring on the outer wall of the conical sealing section is in contact with the inner wall of the pressure relief opening, so that a closed space is formed by the power bin, and when the pressure in the power bin is larger than preset pressure, the pressure in the power bin overcomes the elasticity of the elastic piece to enable the elastic sealing device to move towards the direction of pulling out the pressure relief opening, and the power bin is communicated with the outside on one side of the pressure relief opening.
Description
Technical Field
The utility model belongs to the technical field of fire extinguishment, and particularly relates to a fire extinguishing bomb launching device.
Background
After the fire extinguishing bomb taking the unmanned aerial vehicle as a carrier is carried to a designated place by the unmanned aerial vehicle, under the command of a ground comprehensive control console, the unmanned aerial vehicle activates an engine of the fire extinguishing bomb, and the engine pushes the fire extinguishing bomb to move forwards in a transmitting cylinder, so that the cylinder discharging and fire extinguishing processes are completed. Before the fire extinguishing bomb is transported and launched, the fire extinguishing bomb is ensured to be reliably connected with the launching cylinder, and before the engine is ignited, the fire extinguishing bomb cannot be displaced relative to the launching cylinder; after the engine is activated, the fire extinguishing bomb is ensured to freely advance, and no reaction force is generated on the launching tube and the unmanned aerial vehicle.
The patent with the authorized bulletin number of CN 206648522U discloses an electromagnetic lock device and a positioning self-locking device, which can realize accurate and reliable locking, but have complex structural design, and the corresponding functions can be realized by supplying power to the electromagnetic lock device; the patent with the publication number CN 206642235U discloses a detonation device, which needs initiating explosive device action to be emitted during emission, so that a reaction force can be generated on the emission device to influence the accuracy and the service life of the emission device.
To solve the above technical problem, the utility model of application number 201821156941.4 discloses a fire extinguishing bomb launcher device which does not generate reaction force, the device comprising: the inside of the transmitting cylinder is fixedly provided with a rear baffle plate along the radial direction; the fire extinguishing bomb is axially arranged in the launching cylinder and comprises a fire extinguishing bomb body and a rocket engine; the rear baffle is fixedly connected with the tail jet pipe of the rocket engine through 4 screws uniformly distributed along the axial direction of the launching cylinder; the screw and the backplate are both made of celluloid. A gap is arranged between the rear baffle and the tail spray pipe, a locking pin is inserted in the gap, and the locking pin penetrates through the transmitting cylinder. The device in the patent technology ensures the stability of the connection of the device by inserting a locking pin in the clearance between the rear baffle and the tail nozzle in the process of not using or transporting. The celluloid material is adopted for processing the rear baffle and the screw, so that certain connection strength can be ensured, meanwhile, when the rocket engine is ignited, the celluloid material is easy to burn, the ignition point is 100 ℃, and the temperature of tail flame sprayed out by the rocket engine is up to thousands of degrees. Therefore, when the fire extinguishing bomb moves, the baffle plates and the screws are burnt, no constraint force exists when the fire extinguishing bomb moves, the fire extinguishing bomb can move freely, and no reaction force to the launching tube exists.
The fire extinguishing bullet transmitting cylinder device in the patent technology fully utilizes the characteristic that celluloid materials are easy to burn, reduces the reaction force to the transmitting cylinder, but is not quite economical because a new rear baffle plate and a new screw made of the celluloid materials are needed for each transmission, so that the fire extinguishing bullet transmitting device with a new structure is provided for a person skilled in the art, and has a relatively realistic meaning.
Disclosure of Invention
Against the current state of the art, the object of the present utility model is to provide a fire extinguishing bomb launcher with a new structure than the prior art.
In order to solve the technical problems, the utility model provides a fire extinguishing bomb launching device, which comprises a launching cylinder and a fire extinguishing bomb, wherein the launching cylinder is sequentially provided with a launching port, a launching bin, a power bin and a pressure relief port along the axial direction, the fire extinguishing bomb is axially arranged in the launching bin, the pressure relief port is provided with an elastic sealing device, the elastic sealing device comprises a conical sealing section inserted into the pressure relief port and a cylindrical body section connected with the conical sealing section, the outer wall of the cylindrical body section is provided with a first annular bulge, the inner wall of the pressure relief port is provided with a second annular bulge, the first annular bulge is connected with the second annular bulge through an elastic piece, the outer wall of the conical sealing section is provided with a first sealing ring, the elastic piece has a trend of enabling the elastic sealing device to move towards the direction of the inserting the pressure relief port, when the pressure in the power bin is smaller than preset pressure, the first sealing ring on the outer wall of the sealing section is contacted with the inner wall of the pressure relief port, so that the power bin forms a closed space, when the pressure in the power bin is larger than the preset pressure, and the elastic piece in the power bin is pulled out of the power bin, and the elastic piece is enabled to move towards one side of the pressure relief port to overcome.
As an improvement of the above scheme in one aspect, a second sealing ring is arranged on the inner wall of the pressure relief opening, and when the pressure in the power bin is smaller than the preset pressure, a first sealing ring on the outer wall of the conical sealing section is in contact with the second sealing ring on the inner wall of the pressure relief opening, so that the power bin forms a closed space.
As an improvement of the above aspect, the first seal ring and the second seal ring are rubber rings.
As the improvement of above-mentioned scheme in an aspect, cylinder body section cavity sets up, be equipped with the intercommunicating pore on the outer wall of cylinder body section, cylinder body section is equipped with the row and presses the hole in the one end of relief pressure mouth dorsad, and when pressure in the power storehouse is greater than the pressure of predetermineeing, pressure in the power storehouse overcomes the elasticity of elastic component makes elastic sealing device is to the direction motion of pulling out the relief pressure mouth, makes the power storehouse is through intercommunicating pore, row press the hole to communicate with each other with the external world in relief pressure mouth one side.
As an improvement of the above scheme, the power bin is connected with the high-pressure gas cylinder through a conduit.
As an improvement of the above scheme in one aspect, an expansion sealing air bag is arranged on the inner wall of the launching bin and is used for fixing fire extinguishing bomb, the expansion sealing air bag is connected with a high-pressure air cylinder through a control valve, the high-pressure air cylinder is used for providing pressure for the expansion sealing air bag, and the control valve is used for controlling pressurization and depressurization of the expansion sealing air bag.
As an improvement of the above scheme, the expansion sealing air bag is made of rubber, a sealing groove is arranged on the inner wall of the emission bin, and the expansion sealing air bag is arranged in the sealing groove.
As an improvement of the above aspect, the elastic member is a spring.
As the improvement of above-mentioned scheme in an aspect, the fire extinguishing bomb includes cylindric fire extinguishing bomb body, the fire extinguishing bomb body includes the center tube of inlayer and outer shell, be equipped with main lead wire, pyrotechnic composition just in the center tube from top to bottom layering is equipped with yellow mud, saw dust, bottom plug, pyrotechnic composition is located saw dust with between the bottom plug, pyrotechnic composition is connected to the one end of main lead wire, the other end of main lead wire passes saw dust, yellow mud and stretches to the outside of fire extinguishing bomb body, be equipped with the fire extinguishing powder between shell and the center tube, the shell includes cylindric shell body, the top cap and the bottom that are used for shutoff shell body's top, the other end of main lead wire passes the top cap and stretches to the outside of fire extinguishing bomb body, be formed with the boss on the bottom, the bottom butt of boss inserted center tube.
As an improvement of the scheme, the fire extinguishing powder is superfine dry powder fire extinguishing agent.
The utility model has the following beneficial effects: according to the fire extinguishing bomb launching device, on one hand, the pressure relief opening is provided with the elastic sealing device, the elastic sealing device comprises the conical sealing section inserted into the pressure relief opening and the cylindrical body section connected with the conical sealing section, the outer wall of the cylindrical body section is provided with the first annular bulge, the inner wall of the pressure relief opening is provided with the second annular bulge, the first annular bulge is connected with the second annular bulge through the elastic piece, the outer wall of the conical sealing section is provided with the first sealing ring, the elastic piece has the tendency of enabling the elastic sealing device to move towards the direction inserted into the pressure relief opening, when the pressure in the power bin is smaller than the preset pressure, the first sealing ring on the outer wall of the conical sealing section is in contact with the inner wall of the pressure relief opening, so that a closed space is formed by the power bin, when the pressure in the power bin is larger than the preset pressure, the elastic force of the elastic piece is overcome, the elastic sealing device moves towards the direction of the pressure relief opening, the power bin is communicated with the outside on one side of the pressure relief opening, and the fire extinguishing bomb can move without restraining force and free movement, and no counterforce to the launching drum; on the other hand, compared with the technical proposal of the utility model with the application number of 201821156941.4 in the prior art, the utility model does not need to consider adopting a new celluloid material to manufacture a rear baffle and a screw before each emission, thereby simplifying the operation.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the fire extinguishing bomb launcher according to the present utility model in a first state.
Fig. 2 is a schematic view of the fire extinguishing bomb launcher according to the present utility model in a second state.
Fig. 3 is a schematic view of the fire extinguishing bomb launcher according to the present utility model in a third state.
Fig. 4 is an enlarged partial schematic view of the elastic sealing means portion of the fire extinguishing bomb launcher according to the present utility model.
Fig. 5 is a schematic structural view of a first embodiment of the fire extinguishing bomb according to the present utility model.
Fig. 6 is a schematic structural view of a second embodiment of the fire extinguishing bomb according to the present utility model.
In the accompanying drawings:
1-launching tube 2-fire extinguishing bomb 3-launching bin
4-power bin 5-conical sealing section 6-cylindrical body section
7-first annular projection 8-second annular projection 9-elastic member
10-first seal ring 11-second seal ring 12-communication hole
13-pressure discharge hole 14-center square tube 15-main lead
16-pyrotechnic composition 17-yellow mud 18-sawdust
19-bottom plug 20-fire extinguishing powder 21-shell body
22-Top cover 23-bottom cover 24-ignition lead
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to the accompanying drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model.
In the description of the present utility model, it should be noted that, if terms such as "upper", "lower", "side", "bottom", "top", "center", "outer", etc. are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, it is to be understood that the specific meaning of the terms in the present utility model may be understood in detail by those skilled in the art unless explicitly stated and defined otherwise.
As shown in fig. 1 to 6, the utility model provides a fire extinguishing bomb launching device, which comprises a launching tube 1 and fire extinguishing bomb 2, wherein the launching tube 1 is sequentially provided with a launching port, a launching bin 3, a power bin 4 and a pressure relief port along the axial direction, and the fire extinguishing bomb 2 is axially arranged in the launching bin 3.
The pressure relief device is different from the existing structure, the pressure relief opening is provided with an elastic sealing device, the elastic sealing device comprises a conical sealing section 5 inserted into the pressure relief opening and a cylindrical body section 6 connected with the conical sealing section 5, the outer wall of the cylindrical body section 6 is provided with a first annular bulge 7, the inner wall of the pressure relief opening is provided with a second annular bulge 8, the first annular bulge 7 and the second annular bulge 8 are connected through an elastic piece 9, the outer wall of the conical sealing section 5 is provided with a first sealing ring 10, the elastic piece 9 has a trend of enabling the elastic sealing device to move towards the direction of inserting the pressure relief opening, when the pressure in the power bin 4 is smaller than the preset pressure, the first sealing ring 10 on the outer wall of the conical sealing section 5 is in contact with the inner wall of the pressure relief opening, so that the power bin 4 forms a closed space, when the pressure in the power bin 4 is larger than the preset pressure, the elastic piece 9 overcomes the elastic force of the elastic piece 9 to enable the elastic sealing device to move towards the direction of pulling out the pressure relief opening, so that the first sealing ring 10 on the outer wall of the conical sealing section 5 is not in contact with the pressure relief opening, and the pressure of the pressure bin 4 is not communicated with the outside. Alternatively, the cartridge 1 may be cylindrical in shape.
In the fire extinguishing bomb launching device provided by the utility model, when the pressure in the power bin 4 is gradually increased, as the first annular bulge 7 and the second annular bulge 8 are connected through the elastic piece 9, the elastic piece 9 has the tendency that the elastic sealing device moves towards the direction of inserting the decompression opening, when the pressure in the power bin 4 is smaller than the preset pressure, the first sealing ring 10 on the outer wall of the conical sealing section 5 is contacted with the inner wall of the decompression opening, so that the power bin 4 forms a closed space, the pressure generated by the power bin 4 at the initial stage is smaller than the elastic force of the elastic piece 9, namely, the pressure generated by the power bin 4 at the initial stage is insufficient to enable the elastic sealing device to be flushed, as the pressure in the power bin 4 is gradually increased, the initial speed of the fire extinguishing bomb 2 in the device is gradually increased, when the pressure in the power bin 4 is maximum, the initial speed of the fire extinguishing bomb 2 reaches the maximum value, and the fire extinguishing bomb 2 is arranged in the launching bin 3, at the moment, the elastic piece 9 contacts the inner wall of the decompression opening with the elastic sealing section 4, so that the elastic sealing device is enabled to be flushed by the elastic piece 4, the pressure generated by the initial sealing ring 10 at the initial stage is smaller than the inner wall of the power bin 4, and the decompression opening is enabled to be not to be contacted with the decompression opening 1, and the decompression opening is made by the compression screw 1, compared with the prior art, and the fire extinguishing bomb 1 is greatly reduced, and the fire extinguishing bomb is launched by adopting the pressure is greatly, and compared with the pressure 1.
As can be seen from the above, in the fire extinguishing bomb launching device according to the present utility model, on one hand, the pressure relief opening is provided with the elastic sealing device, the elastic sealing device includes the cone-shaped sealing section 5 inserted into the pressure relief opening and the cylindrical body section 6 connected with the cone-shaped sealing section 5, the outer wall of the cylindrical body section 6 is provided with the first annular protrusion 7, the inner wall of the pressure relief opening is provided with the second annular protrusion 8, the first annular protrusion 7 and the second annular protrusion 8 are connected by the elastic member 9, the outer wall of the cone-shaped sealing section 5 is provided with the first sealing ring 10, the elastic member 9 has a tendency of enabling the elastic sealing device to move in the direction of inserting into the pressure relief opening, when the pressure in the power bin 4 is smaller than the preset pressure, the first sealing ring 10 on the outer wall of the cone-shaped sealing section 5 contacts with the inner wall of the pressure relief opening, so that the power bin 4 forms a closed space, when the pressure in the power bin 4 is greater than the preset pressure, the pressure in the power bin 4 overcomes the elasticity of the elastic member 9 to move in the direction of pulling out the pressure relief opening, so that the power bin 4 is communicated with the outside on one side of the pressure relief opening, and the fire extinguishing bomb 2 can not move against the free force 1 when the fire extinguishing bomb is launched by the above structure; on the other hand, compared with the technical proposal of the utility model with the application number of 201821156941.4 in the prior art, the utility model does not need to consider adopting a new celluloid material to manufacture a rear baffle and a screw before each emission, thereby simplifying the operation.
In order to improve the tightness, the inner wall of the pressure relief opening is provided with a second sealing ring 11, and when the pressure in the power bin 4 is smaller than the preset pressure, the first sealing ring 10 on the outer wall of the conical sealing section 5 is in contact with the second sealing ring 11 on the inner wall of the pressure relief opening, so that the power bin 4 forms a closed space. Optionally, the first sealing ring 10 and the second sealing ring 11 are rubber rings. As one implementation manner of the fixed sealing ring, a groove is formed in the inner wall of the pressure relief opening, the second sealing ring 11 is embedded in the groove, and similarly, a notch is formed in the outer wall of the conical sealing section 5, and the first sealing ring 10 is embedded in the notch.
Specifically optionally, the hollow setting of cylinder body section 6, be equipped with intercommunicating pore 12 on the outer wall of cylinder body section 6, the one end that cylinder body section 6 was facing away from the relief pressure mouth is equipped with row pressure hole 13, intercommunicating pore 12 with row pressure hole 13 intercommunication, when the pressure in power storehouse 4 is greater than the pressure of predetermineeing, the pressure in the power storehouse 4 is overcome the elasticity of elastic component 9 makes elastic sealing device moves to the direction of pulling out the relief pressure mouth, makes power storehouse 4 is through intercommunicating pore 12, row pressure hole 13 communicate with each other with the external world in relief pressure mouth one side.
Specifically, alternatively, the power bin 4 is connected with a high-pressure gas cylinder (not shown in the figure) through a conduit (not shown in the figure), one end of the conduit is connected with the power bin 4, and the other end of the conduit is connected with the high-pressure gas cylinder; when the valve of the high-pressure gas cylinder is opened, compressed air is introduced into the power bin 4, and because the compressed air has certain pressure, when a certain amount of compressed air is in the power bin 4, the pressure generated by the compressed air enables the fire extinguishing bomb 2 to be ejected from the transmitting cylinder 1, and when the fire extinguishing bomb 2 is ejected, the elastic sealing device is flushed by the pressure of the compressed air in the power bin 4, the pressure of the transmitting cylinder 1 is reduced, and the recoil force born by the transmitting cylinder 1 is reduced.
In a preferred embodiment, an inflatable sealing bladder (not shown) is provided on the inner wall of the firing chamber 3, said inflatable sealing bladder (not shown) being adapted to secure the extinguishing bomb 2, said inflatable sealing bladder being connected to a high pressure gas cylinder by means of a control valve, said high pressure gas cylinder being adapted to provide pressure to the inflatable sealing bladder, said control valve being adapted to control the pressurization and depressurization of the inflatable sealing bladder. When the fire extinguishing bomb 2 needs to be fixed, the control valve controls the expansion sealing air bag to be connected with the high-pressure gas cylinder, the expansion sealing air bag is inflated to be expanded to fix the fire extinguishing bomb 2, when the fire extinguishing bomb 2 needs to be released, the control valve controls the expansion sealing air bag to be communicated with the outside, and the expansion sealing air bag is deflated to release the fire extinguishing bomb 2. When the unmanned aerial vehicle flies in the air in a fire area carrying the fire extinguishing bomb 2, the fire extinguishing bomb 2 can be fixed by the expansion sealing air bag due to the fact that the flying gesture needs to be adjusted continuously, and the fire extinguishing bomb 2 is prevented from falling from the unmanned aerial vehicle; and when the fire extinguishing bomb 2 is released, the fire extinguishing bomb can be quickly unlocked.
Optionally, the elastic member 9 is a spring, which may be one spring or a plurality of springs, and when the spring is one spring, the spring is sleeved on the cylindrical body section 6, and when the spring is a plurality of springs, the plurality of springs are arranged along the circumference of the cylindrical body section 6. The expansion sealing air bag is made of rubber, a sealing groove (not shown in the figure) is arranged on the inner wall of the emission bin 3, and the expansion sealing air bag is arranged in the sealing groove.
As a specific implementation form of the fire extinguishing bomb 2, as shown in fig. 5 and 6, the fire extinguishing bomb 2 comprises a cylindrical fire extinguishing bomb body, the fire extinguishing bomb body comprises a central tube with an inner layer and an outer shell, a main lead 15, a pyrotechnic composition 16 and yellow mud 17, sawdust 18 and a bottom plug 19 are arranged in the central tube from top to bottom in a layering manner, the pyrotechnic composition 16 is located between the sawdust 18 and the bottom plug 19, one end of the main lead 15 is connected with the pyrotechnic composition 16, the other end of the main lead 15 passes through the sawdust 18 and the yellow mud 17 and extends to the outer side of the fire extinguishing bomb body, fire extinguishing powder 20 is arranged between the shell and the central tube, the shell comprises a cylindrical shell body 21, a top cover 22 and a bottom cover 23 for sealing the top end and the bottom end of the shell body 21, the other end of the main lead 15 passes through the top cover 22 and extends to the outer side of the fire extinguishing bomb body, a boss is formed on the bottom cover 23, and the bottom end of the boss inserted into the central tube abuts against the bottom plug 19.
In the above embodiment, as shown in fig. 5 and 6, a main lead 15 is disposed in the central tube, yellow mud 17, sawdust 18 and a bottom plug 19 are layered in the central tube from top to bottom, the pyrotechnic composition 16 is disposed between the sawdust 18 and the bottom plug 19, one end of the main lead 15 is connected with the pyrotechnic composition 16, and the other end of the main lead 15 passes through the sawdust 18 and the yellow mud 17 and extends to the outer side of the fire extinguishing bomb body, and the bottom plug 19 may also be yellow mud. As a preferable arrangement mode of the main lead 15, the main lead 15 sequentially passes through the yellow mud 17, the sawdust 18 and the pyrotechnic composition 16 and then is buried in the bottom plug 19, and the main lead 15 is fixed in the bottom plug 19, so that the production operation process can greatly improve the production efficiency of staff. For easy assembly, the casing comprises a cylindrical casing body 21, a top cover 22 and a bottom cover 23 for plugging the top end and the bottom end of the casing body 21, the other end of the main lead 15 passes through the top cover 22 to extend to the outer side of the fire extinguishing bomb body, a boss is formed on the bottom cover 23, and the bottom end of the boss inserted into the central tube is abutted against the bottom plug 19. Alternatively, the top cover 22 and the bottom cover 23 are bonded with the shell body 21 and the central tube by glue, instead of being nailed by iron nails or hard objects, which is safe and environment-friendly.
In the above embodiment, the main lead 15 is specifically optionally wrapped with a protective paper, where the protective paper may be moisture-proof tin foil gummed paper, and the protective paper may rub the main lead 15 to prevent the main lead 15 from quick burning, cross fire and moisture, and the central square tube 14 is a paper container. In order to avoid the main lead 15 being directly exposed to the atmosphere, the fire extinguishing bomb body is provided with protective paper, the protective paper covers the wire ends of the main lead 15, and after the protective paper is torn, the wire ends of the main lead 15 can be exposed.
Preferably, in the above embodiment, the fire extinguishing powder 20 is an ultrafine dry powder fire extinguishing agent. Preferably, the superfine dry powder extinguishing agent is a solid powder extinguishing agent with the grain diameter of less than or equal to 20 mu m, and 90 percent of the superfine dry powder extinguishing agent is a solid powder extinguishing agent with the grain diameter of less than or equal to 20 mu m. The proved superfine dry powder extinguishing agent is one of the extinguishing agents which are found at home and abroad at present, and has the lowest extinguishing concentration, highest extinguishing efficiency and highest extinguishing speed. The extinguishing efficiency per unit volume is 2-3 times of that of the halon extinguishing agent, 6-10 times of that of the common dry powder extinguishing agent, more than 10 times of that of the heptafluoropropane extinguishing agent and 15 times of that of carbon dioxide. The ozone depletion potential value ODP of the atmosphere is zero, the green house effect potential value GWP is zero, the ozone depletion potential value ODP is non-irritating to human skin, the ozone depletion potential value ODP of the atmosphere is non-corrosive to protectors, and the ozone depletion potential value GWP of the atmosphere is non-toxic and harmless. The residue is easy to clean after fire extinguishment, and the personnel in the fire scene cannot be poisoned or choked to die. Meanwhile, the storage period can reach 3 years, and frequent replacement and maintenance are not needed. In this embodiment, the fire of class A, class B and class C is extinguished instantaneously and remotely by using the energy of the combustion gas of the pyrotechnic composition 16 and the ultra-fine dry powder extinguishing agent to cover the double extinguishment.
In the above embodiment, as shown in fig. 5 and 6, in order to facilitate ignition of the main lead 15, the other end of the main lead 15 is divided into a plurality of ignition leads 24, the plurality of ignition leads 24 are distributed around the central square tube 14 in an annular array, and the number of ignition leads 24 may be two, three or … …, preferably, the number of ignition leads 24 is four. In this embodiment, the fire extinguishing bomb 2 can be ignited by igniting any one ignition lead 24, so that the occurrence of non-explosion is reduced or avoided.
In the above embodiment, preferably, the casing is made of a high-temperature-resistant calcium carbonate synthetic material, and because the casing is made of the high-temperature-resistant calcium carbonate synthetic material, on one hand, the fire extinguishing bomb 2 has good high-temperature resistance, and on the other hand, substances in the fire extinguishing bomb body can be protected. Wherein, the shell is made of high temperature resistant calcium carbonate synthetic material, specifically, the shell body 21, the top cover 22 and the bottom cover 23 are made of high temperature resistant calcium carbonate synthetic material.
It should be noted that, the high temperature resistant calcium carbonate synthetic material belongs to the existing material or can be designed with reference to the existing technology, for example, the patent application of the utility model with the application number of 20110214511. X discloses an environment-friendly material for synthesizing calcium carbonate, and the environment-friendly material for synthesizing calcium carbonate has good high temperature resistance; another example is the application of the utility model with the application number of 201410253390.3, which discloses a high temperature resistant modified calcium carbonate; another example is that the patent application of the utility model with the application number of 2015155438. X discloses an environment-friendly active calcium carbonate which has good high temperature resistance; another example is the application of patent application No. 201610635705.X, which discloses a high temperature resistant composite calcium carbonate.
In summary, according to the fire extinguishing bomb launching device disclosed by the utility model, on one hand, the pressure relief opening is provided with the elastic sealing device, the elastic sealing device comprises the conical sealing section 5 inserted into the pressure relief opening and the cylindrical body section 6 connected with the conical sealing section 5, the outer wall of the cylindrical body section 6 is provided with the first annular bulge 7, the inner wall of the pressure relief opening is provided with the second annular bulge 8, the first annular bulge 7 and the second annular bulge 8 are connected through the elastic piece 9, the outer wall of the conical sealing section 5 is provided with the first sealing ring 10, the elastic piece 9 has a tendency of enabling the elastic sealing device to move towards the direction inserted into the pressure relief opening, when the pressure in the power bin 4 is smaller than the preset pressure, the first sealing ring 10 on the outer wall of the conical sealing section 5 is in contact with the inner wall of the pressure relief opening, so that the power bin 4 forms a closed space, when the pressure in the power bin 4 is larger than the preset pressure, the elastic piece 9 overcomes the elasticity of the elastic piece 9 to enable the elastic sealing device to move towards the direction of pulling out the pressure relief opening, so that one side of the power bin 4 is communicated with the outside, and the fire extinguishing bomb can not move against the reactive force 1 when the movement is enabled by the structure; on the other hand, compared with the technical proposal of the utility model with the application number of 201821156941.4 in the prior art, the utility model does not need to consider adopting a new celluloid material to manufacture a rear baffle and a screw before each emission, thereby simplifying the operation.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a fire extinguishing bomb launcher, includes a launch canister (1) and fire extinguishing bomb (2), launch canister (1) has set gradually along the axial and has launched mouth, launch bin (3), power storehouse (4) and pressure release mouth, fire extinguishing bomb (2) are located along the axial in launch bin (3), its characterized in that: an elastic sealing device is arranged at the pressure relief opening and comprises a conical sealing section (5) inserted into the pressure relief opening and a cylindrical body section (6) connected with the conical sealing section (5), a first annular bulge (7) is arranged on the outer wall of the cylindrical body section (6), a second annular bulge (8) is arranged on the inner wall of the pressure relief opening, the first annular bulge (7) and the second annular bulge (8) are connected through an elastic piece (9), a first sealing ring (10) is arranged on the outer wall of the conical sealing section (5), the elastic piece (9) has a trend of enabling the elastic sealing device to move towards the direction of being inserted into the pressure relief opening, when the pressure in a power bin (4) is smaller than preset pressure, a first sealing ring (10) on the outer wall of the conical sealing section (5) is in contact with the inner wall of the pressure relief opening, so that a closed space is formed by the power bin (4), and when the pressure in the power bin (4) is larger than the preset pressure, the elastic piece (9) in the power bin is pulled out of the elastic piece, the elastic piece (9) enables the elastic sealing device to move towards one side of the pressure relief opening to overcome the pressure relief opening;
a second sealing ring (11) is arranged on the inner wall of the pressure relief opening, and when the pressure in the power bin (4) is smaller than the preset pressure, a first sealing ring (10) on the outer wall of the conical sealing section (5) is contacted with the second sealing ring (11) on the inner wall of the pressure relief opening, so that the power bin (4) forms a closed space;
the cylinder body section (6) cavity sets up, be equipped with intercommunicating pore (12) on the outer wall of cylinder body section (6), the one end that cylinder body section (6) was facing away from the pressure relief mouth is equipped with row pressure hole (13), and when pressure in power storehouse (4) was greater than preset pressure, pressure in power storehouse (4) was overcome the elasticity of elastic component (9) makes elastic sealing device is to the direction motion of pulling out the pressure relief mouth, makes power storehouse (4) are through intercommunicating pore (12), row pressure hole (13) communicate with each other with the external world in pressure relief mouth one side.
2. Fire extinguishing bomb launching device according to claim 1, characterized in that: the first sealing ring (10) and the second sealing ring (11) are rubber rings.
3. Fire extinguishing bomb launching device according to claim 1, characterized in that: the power bin (4) is connected with the high-pressure gas cylinder through a conduit.
4. A fire extinguishing bomb launching device as claimed in claim 3, wherein: the fire extinguishing device is characterized in that an expansion sealing air bag is arranged on the inner wall of the launching bin (3) and used for fixing a fire extinguishing bomb (2), the expansion sealing air bag is connected with a high-pressure gas cylinder through a control valve, the high-pressure gas cylinder is used for providing pressure for the expansion sealing air bag, and the control valve is used for controlling the pressurization and the depressurization of the expansion sealing air bag.
5. The fire extinguishing bomb launcher according to claim 4, wherein: the expansion sealing air bag is made of rubber, a sealing groove is formed in the inner wall of the emission bin (3), and the expansion sealing air bag is arranged in the sealing groove.
6. Fire extinguishing bomb launching device according to any one of claims 1 to 5, characterized in that: the elastic piece (9) is a spring.
7. Fire extinguishing bomb launching device according to any one of claims 1 to 5, characterized in that: fire extinguishing bomb (2) are including cylindric fire extinguishing bomb body, fire extinguishing bomb body includes the center tube and the outer shell of inlayer, be equipped with main lead (15), pyrotechnic composition (16) just in the center tube from top to bottom layering is equipped with yellow mud (17), saw dust (18), bottom plug (19) in the center tube, pyrotechnic composition (16) are located saw dust (18) with between bottom plug (19), pyrotechnic composition (16) are connected to the one end of main lead (15), the other end of main lead (15) passes saw dust (18), yellow mud (17) and stretches to the outside of fire extinguishing bomb body, be equipped with fire extinguishing powder (20) between shell and the center tube, the shell includes cylindric shell body (21), top cap (22) and bottom (23) that are used for shutoff shell body (21) top end, the other end of main lead (15) passes top cap (22) and stretches to the outside of bomb body, be formed with boss on bottom cap (23) and insert bottom plug (19) of center tube.
8. The fire extinguishing bomb launcher according to claim 7, wherein: the fire extinguishing powder (20) is superfine dry powder fire extinguishing agent.
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| CN202010333693.1A CN111481857B (en) | 2020-04-24 | 2020-04-24 | Fire extinguishing bomb launching device |
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| CN111481857A (en) | 2020-08-04 |
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