CN112473041A - Pressure-relief pneumatic fire extinguishing bomb - Google Patents
Pressure-relief pneumatic fire extinguishing bomb Download PDFInfo
- Publication number
- CN112473041A CN112473041A CN202011363137.5A CN202011363137A CN112473041A CN 112473041 A CN112473041 A CN 112473041A CN 202011363137 A CN202011363137 A CN 202011363137A CN 112473041 A CN112473041 A CN 112473041A
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- China
- Prior art keywords
- pressure
- fire extinguishing
- pressure relief
- shell
- bomb
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- 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
- A62C3/0292—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires by spraying extinguishants directly into the fire
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
Abstract
The invention discloses a pressure-relief pneumatic fire extinguishing bomb which comprises a fire extinguishing bomb body filled with a fire extinguishing agent, wherein the tail part of the fire extinguishing bomb body is fixedly connected with a pressure-relief cabin section, an inflatable pressure-relief opening is formed in the outer wall of the pressure-relief cabin section, the tail part of the pressure-relief cabin section is provided with a high-pressure cabin section, the high-pressure cabin section comprises a high-pressure cabin shell with an opening structure at the top, the top part of the high-pressure cabin shell is provided with a pressure-control membrane, the bottom part of the high-pressure cabin shell is provided with a high-pressure cabin inflation opening, the front part of the high-pressure cabin shell is hermetically embedded into an inner cavity of the pressure-. The fire extinguishing bomb provided by the invention does not use any initiating explosive device, high-pressure gas is adopted for firing of the fire extinguishing bomb and spraying of the fire extinguishing agent, the launching process is safer, potential safety hazards in the production, storage, transportation and use processes of the fire extinguishing bomb are avoided, secondary fire is avoided, and the fire extinguishing bomb is lighter than the traditional fire extinguishing bomb by adopting compressed gas for driving.
Description
Technical Field
The invention relates to the field of fire extinguishing bombs, in particular to a pressure relief pneumatic fire extinguishing bomb.
Background
In recent years, high-rise fire and dangerous chemical fire occur, fire extinguishing bombs are also the focus of research, but the existing fire extinguishing bombs are all launched by gunpowder, have too large weight and are easy to cause secondary fire, and based on the situation, a pneumatic fire extinguishing bomb which adopts compressed gas as launching power and has no initiating explosive is developed.
Disclosure of Invention
The invention aims to provide a pressure relief pneumatic fire extinguishing bomb and solve the problem that the safety of the existing initiating explosive device fire extinguishing bomb is difficult to guarantee.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a pressure relief pneumatic fire extinguishing bomb, which comprises:
a fire extinguishing bomb containing a fire extinguishing agent;
the fire extinguishing bomb body comprises a fire extinguishing bomb body, a pressure relief cabin section and an air inlet, wherein the fire extinguishing bomb body is provided with a fire extinguishing bomb body, the fire;
the high-pressure cabin section is located at the tail of the pressure relief cabin section and comprises a high-pressure cabin shell with an open top structure, a pressure control membrane is arranged at the top of the high-pressure cabin shell, a high-pressure cabin inflation inlet is arranged at the bottom of the high-pressure cabin shell, the front part of the high-pressure cabin shell is hermetically embedded into an inner cavity of the pressure relief cabin section, and the outer wall of the high-pressure cabin shell is connected with the outer wall of the pressure relief cabin section through a breakable connecting frame.
Further, the body of putting out a fire includes the projectile shell of open-top structure, and sets up the warhead at projectile shell top, the bottom of projectile shell inner chamber is provided with the projectile inflation inlet, sliding seal is connected with fire extinguishing agent in the cavity inner chamber of projectile shell and releases the layer board, the underrun of fire extinguishing agent release layer board through controllable trigger switch with the bottom of projectile shell inner chamber is connected.
Furthermore, the trigger switch comprises a guide rod, a pin, a spring and a magnetic attraction device; the bottom end of the guide rod is fixed at the bottom of the hollow inner cavity of the projectile body shell, the top end of the guide rod is connected with the projectile head, and the fire extinguishing agent push-out supporting plate is connected to the guide rod in a sliding and sealing mode;
the two sides of the lower part of the guide rod are respectively provided with a pull rod, the top end of each pull rod is fixedly connected with the fire extinguishing agent push-out supporting plate, the front end of each pin sequentially penetrates through the spring, the pull rod on one side, the guide rod and the pull rod on the other side and then is magnetically attracted with the magnetic attraction device, and the magnetic attraction device is connected to the bottom of the hollow inner cavity of the shell body through the magnetic attraction support;
the top end of the guide rod is provided with a top plate, the top surface of the top plate is provided with a plurality of tensioning columns with radial elasticity, and the tensioning columns are embedded into and tensioned in the preformed holes in the bottom of the warhead.
Further, the projectile body inflation port comprises a projectile body inflation hole formed in the bottom of an inner cavity of a projectile body shell and a first plug with an I-shaped cross section matched with the projectile body inflation hole, the top of the first plug covers the inner end of the projectile body inflation hole, the bottom of the first plug is connected into the projectile body inflation hole in a sliding mode, first bulges are arranged on two sides of the bottom of the first plug, first sliding grooves matched with the first bulges in a sliding mode are formed in two side walls of the projectile body inflation hole, and the top end of each first sliding groove is closed;
one side of the inner end of the bomb inflation hole is provided with a compression bolt, the compression bolt is slidably connected onto a bolt frame, the bolt frame is fixed to the bottom of the hollow inner cavity of the bomb shell, and the rear portion of the compression bolt is connected with a telescopic driving device.
Furthermore, the end face of the pressure control membrane is provided with a notch groove convenient for cracking.
Furthermore, the notch groove is in a cross shape.
Furthermore, the hyperbaric chamber inflation inlet comprises a hyperbaric chamber inflation hole formed in the bottom of the hyperbaric chamber shell and a second plug matched with the hyperbaric chamber inflation hole, and the second plug is connected with the bottom of the hyperbaric chamber shell through a peripheral locking device.
Furthermore, the locking device comprises an inner ring, an outer ring and a plurality of locking sheets which are annularly arranged, the inner ring is fixed at the bottom of the high-pressure cabin shell, one end of each locking sheet is hinged on the inner ring, the other end of each locking sheet is connected with the outer ring through a connecting rod, and two ends of each connecting rod are respectively hinged on the outer ring and the locking sheet;
a third bulge is arranged on the inner side of each locking sheet, a locking groove is formed in the outer wall of the second plug, and the third bulge is embedded into the locking groove;
the outer ring is provided with a plurality of fixing holes, and the fixing holes are connected to the bottom of the high-pressure cabin shell through bolts.
Furthermore, the connecting frame comprises a frame body fixed on the high-pressure cabin shell, a breakable connecting body is arranged on the frame body, and the connecting end of the connecting body is connected to the pressure relief cabin section.
Further, the pressure release mouth is including seting up the pressure release hole of pressure release cabin section upper portion lateral wall, and with pressure release hole complex pressure release end cap, the top of pressure release end cap covers the inner in pressure release hole, the bottom sliding connection of pressure release end cap is in the pressure release hole, pressure release end cap bottom be provided with a plurality of second arch, be provided with on the lateral wall in pressure release hole with the protruding sliding fit's of second spout, the top of second spout is sealed.
Compared with the prior art, the invention has the beneficial technical effects that:
the fire extinguishing bomb adopts compressed gas as power for firing the fire extinguishing bomb, the fire extinguishing bomb body releases locking of the fire extinguishing agent pushing supporting plate through the controllable trigger switch after being fired, and the fire extinguishing agent pushing supporting plate sprays the fire extinguishing agent under the action of high-pressure gas; the fire extinguishing bomb provided by the invention does not use any initiating explosive device, high-pressure gas is adopted for firing of the fire extinguishing bomb and spraying of the fire extinguishing agent, the launching process is safer, potential safety hazards in the production, storage, transportation and use processes of the fire extinguishing bomb are avoided, secondary fire is avoided, and the fire extinguishing bomb is lighter than the traditional fire extinguishing bomb by adopting compressed gas for driving.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic structural view of a pressure relief pneumatic fire extinguishing bomb according to the present invention;
FIG. 2 is a schematic view of an exploded structure of the pressure relief pneumatic fire extinguishing bomb according to the present invention;
FIG. 3 is a schematic structural view of a high pressure section of the present invention;
FIG. 4 is a schematic view of a pressure relief vent according to the present invention;
FIG. 5 is a cross-sectional view of a pressure relief vent in accordance with the present invention;
FIG. 6 is a schematic structural view of the connecting frame of the present invention;
FIG. 7 is a schematic structural view of a pressure control diaphragm according to the present invention;
FIG. 8 is a schematic view of the fire extinguishing body according to the present invention;
FIG. 9 is a schematic sectional view of the fire extinguishing body according to the present invention;
FIG. 10 is a schematic view of the structure of FIG. 8 in partial section at A;
FIG. 11 is a schematic view of the inflation port at B of FIG. 9;
FIG. 12 is a schematic view of a half-section of the inflation port of the present invention;
FIG. 13 is a schematic structural view of the plug of the present invention;
FIG. 14 is a schematic view of the plenum inflation port of the present invention;
FIG. 15 is a schematic structural view showing an open state of the locking device of the present invention;
FIG. 16 is a structural view showing a locking state of the locking device of the present invention;
fig. 17 is a schematic structural view of the second plug of the present invention.
Description of reference numerals: 1. a fire extinguishing projectile body; 101. an elastomeric housing; 102. a warhead; 103. a projectile charging port; 103-1, an elastomer inflation hole; 103-2, a first plug; 103-3, pressing the bolt; 103-4, a latch bracket; 103-5, a telescopic driving device; 103-6, a first protrusion 103-7 and a first sliding groove; 104. the fire extinguishing agent is pushed out of the supporting plate; 105. a trigger switch; 105-1, a guide rod; 105-2, pins; 105-3, a spring; 105-4, a magnetic attraction device; 105-5, a pull rod; 105-6, a magnetic bracket; 106. a top plate; 107. a tensioning column; 2. a pressure relief cabin section; 201. a pressure relief port; 201-1, pressure relief holes; 201-2, a pressure relief plug; 201-3, a second protrusion; 201-4, a second chute; 3. a high pressure compartment section; 301. a hyperbaric chamber housing; 302. a pressure control diaphragm; 302-1, grooving; 303. a plenum inflation port; 303-1, a plenum inflation hole; 303-2 and a second plug; 303-2-1, a locking groove; 303-3, a locking device; 303-3-1, inner ring; 303-3-2 and an outer ring; 303-3-3, locking sheet; 303-3-4, connecting rod; 303-3-5, third bump; 303-3-6, a fixing hole; 4. a connecting frame; 401. a frame body; 402. a connector.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 3, the embodiment discloses a pressure-relief pneumatic fire extinguishing bomb, which comprises a fire extinguishing bomb body 1 filled with a fire extinguishing agent, wherein a pressure-relief cabin section 2 is fixedly connected to the tail of the fire extinguishing bomb body 1, and an inflatable pressure-relief opening 201 is formed in the outer wall of the pressure-relief cabin section 2. The tail part of the pressure relief cabin section 2 is provided with a high-pressure cabin section 3, the high-pressure cabin section 3 comprises a high-pressure cabin shell 301 with a top opening structure, the top part of the high-pressure cabin shell 301 is provided with a pressure control membrane 302, the bottom part of the high-pressure cabin shell is provided with a high-pressure cabin inflation inlet 303, the front part of the high-pressure cabin shell 301 is hermetically embedded into the inner cavity of the pressure relief cabin section 2, and the outer wall of the high-pressure cabin shell 301 is connected with the outer wall of the pressure relief cabin section 2 through a breakable connecting frame 4.
High-pressure gas is respectively filled into the pressure relief cabin section 2 and the high-pressure cabin shell 301 through the pressure relief port 201 and the high-pressure cabin inflation port 303. When the fire extinguishing bomb is fired, the pressure is released through the pressure release port 201, so that the pressure in the high-pressure cabin shell 301 is larger than the pressure in the pressure release cabin section 2, when the pressure difference between the high-pressure cabin shell and the pressure release cabin section is larger than the maximum pressure borne by the pressure control membrane 302, the pressure control membrane 302 is broken, and then the high-pressure gas pushes the fire extinguishing bomb 1 and the pressure release cabin section 2 to break through the connecting frame 4 and be emitted.
As shown in fig. 4 and 5, the pressure relief opening 201 is formed in a pressure relief hole 201-1 formed in a side wall of an upper portion of the pressure relief cabin section 2, and a pressure relief plug 201-2 engaged with the pressure relief hole 201-1, a top portion of the pressure relief plug 201-2 covers an inner end of the pressure relief hole 201-1, a bottom portion of the pressure relief plug 201-2 is slidably connected in the pressure relief hole 201-1, a plurality of second protrusions 201-3 are disposed at a bottom portion of the pressure relief plug 201-2, a second sliding groove 201-4 slidably engaged with the second protrusions 201-3 is disposed on a side wall of the pressure relief hole 201-1, and a top end of the second sliding groove 201-4 is closed. The pressure relief can be realized by pressing the pressure relief plug 201-2 inwards.
When the pressure relief cabin section 2 is inflated, the pressure relief plug 201-2 is pushed inwards by high-pressure gas, when the second bulge 201-3 slides to the top of the second sliding groove 201-4, the pressure relief plug 201-2 does not slide inwards any more, and at the moment, the high-pressure gas enters the inner cavity of the pressure relief cabin section 2 from a gap between the lower part of the pressure relief plug 201-2 and the inner wall of the pressure relief hole 201-1. It should be noted that a gap is left between the outer wall of the lower portion of the pressure relief plug 201-2 and the inner wall of the pressure relief hole 201-1. After the air inflation is finished, the high-pressure air in the inner cavity of the pressure relief cabin section 2 pushes the pressure relief plug 201-2 to move outwards until the top of the pressure relief plug 201-2 covers the inner end of the pressure relief hole 201-1.
As shown in fig. 6, the connection bracket 4 includes a bracket body 401 fixed to the high pressure tank casing 301, and a breakable connection body 402 is provided on the bracket body 401, and a connection end of the connection body 402 is connected to the pressure relief cabin section 2. When the fire extinguishing body 1 is pushed by the high pressure gas, the connecting body 402 is broken. In this embodiment, the connecting body 402 is made of a steel plate, and the steel plate is provided with a straight-line-shaped notch for facilitating transverse fracture.
As shown in fig. 7, in order to facilitate the rupture of the pressure control diaphragm 302, the end surface of the pressure control diaphragm 302 is provided with notches 302-1 for facilitating the rupture. In this embodiment, the notch 302-1 has a cross shape.
As shown in fig. 8 and 9, the fire extinguishing bomb 1 comprises a bomb casing 101 with an open top structure and a bomb head 102 arranged at the top of the bomb casing 101, a fire extinguishing agent pushing-out supporting plate 104 is connected in a sliding and sealing manner in a hollow inner cavity of the bomb casing 101, the upper space of the fire extinguishing agent pushing-out supporting plate 104 is used for containing fire extinguishing agent, the lower space of the fire extinguishing agent pushing-out supporting plate 104 is used for filling high-pressure gas, a bomb inflating opening 103 is arranged at the bottom of the inner cavity of the bomb casing 101, and the bottom surface of the fire extinguishing agent pushing-out supporting plate 104 is connected with the bottom of the inner cavity of the bomb casing 101 through a.
As shown in FIG. 10, the trigger switch 105 includes a guide bar 105-1, a pin 105-2, a spring 105-3 and a magnetic attraction 105-4; the bottom end of the guide rod 105-1 is fixed at the bottom of the hollow cavity of the bullet shell 101, the top end of the guide rod 105-1 is connected with the bullet 102, and the fire extinguishing agent pushing support plate 104 is connected on the guide rod 105-1 in a sliding and sealing mode.
The two sides of the lower part of the guide rod 105-1 are both provided with a pull rod 105-5, the top end of the pull rod 105-5 is fixedly connected with the fire extinguishing agent push-out supporting plate 104, the two are integrally formed, the front end of the pin 105-2 sequentially penetrates through the spring 105-3, the pull rod 105-5 at one side, the guide rod 105-1 and the pull rod 105-5 at the other side and then is magnetically attracted with the magnetic attraction device 105-4, and the magnetic attraction device 105-4 is connected to the bottom of the hollow inner cavity of the projectile body shell 101 through the magnetic attraction support 105-6.
The magnetic attraction device 105-4 can adopt an electromagnet, when the fire extinguishing bomb body 1 approaches a fire source, the magnetic attraction device 105-4 is powered off and then loses attraction to the pin 105-2, the pin 105-2 is popped up under the action of the spring 105-3, so that the limit to the pull rod 105-5 is lost, and the fire extinguishing agent is pushed out of the supporting plate 104 under the action of high-pressure gas below the supporting plate to push the fire extinguishing agent to be sprayed out.
In this embodiment, a top plate 106 is fixed to the top end of the guide bar 105-1, a plurality of radially elastic tensioning columns 107 are arranged on the top surface of the top plate 106, and the tensioning columns 107 are inserted into and tensioned in the preformed holes at the bottom of the warhead 102. When the fire extinguishing agent pushes out the supporting plate 104 to push and squeeze the fire extinguishing agent, the fire extinguishing agent can squeeze the warhead 102 which is connected with the tensioning column 107 in a tensioning mode, and therefore the warhead 102 can be prevented from influencing the spraying of the fire extinguishing agent. In this embodiment, the tension columns 107 are formed by rolling thin plates, and gaps are left between two ends of the thin plates, so that the tension columns 107 have radial elasticity.
As shown in fig. 11 to 13, the projectile charging port 103 includes a projectile charging aperture 103-1 opened at the bottom of the internal cavity of the projectile casing 101, and a first plug 103-2 with an I-shaped section matched with the elastomer inflation hole 103-1, wherein the top of the first plug 103-2 covers the inner end of the inflation hole 103-1, the bottom of the first plug 103-2 is connected in the elastomer inflation hole 103-1 in a sliding manner, a first bulge 103-6 is fixed on two sides of the bottom of the first plug 103-2, a first chute 103-7 which is in sliding fit with the first bulge 103-6 is arranged on two side walls of the elastomer inflation hole 103-1, the top end of the first chute 103-7 is closed, when the first plug 103-2 slides inwards for a certain distance, the first sliding groove 103-7 with the closed top end limits the first plug 103-2 to continue sliding inwards.
A pressing bolt 103-3 is arranged on one side of the inner end of the bomb inflating hole 103-1, the pressing bolt 103-3 is connected to a bolt frame 103-4 in a sliding mode, the bolt frame 103-4 is fixed to the bottom of the hollow inner cavity of the bomb shell 101, the rear portion of the pressing bolt 103-3 is connected with a telescopic driving device 103-5, and the telescopic driving device 103-5 is fixed to the bottom of the hollow inner cavity of the bomb shell 101. The telescopic driving device 103-5 can adopt a micro cylinder, and a telescopic rod of the cylinder is hinged with the pressing bolt 103-3.
When the fire extinguishing body is inflated, the pressing bolt 103-3 slides backwards along the bolt frame 103-4 under the action of the telescopic driving device 103-5, the limit on the top of the first plug 103-2 is cancelled, the first plug 103-2 is pushed upwards by high-pressure gas, when the first bulge 103-6 slides to the top of the first sliding groove 103-7, the first plug does not slide inwards any more, and at the moment, the high-pressure gas enters the space at the lower part of the fire extinguishing agent pushing-out supporting plate 104 from the gap between the lower part of the first plug 103-2 and the inner wall of the bomb body inflation hole 103-1. It should be noted that a gap is left between the lower portion of the first plug 103-2 at the side where the first protrusion 103-6 is arranged and the inner wall of the elastomer inflating hole 103-1. After the charging is finished, the high-pressure gas positioned at the lower part of the fire extinguishing agent pushing-out supporting plate 104 in the fire extinguishing bomb 1 pushes the first plug 103-2 to move towards the outer end of the bomb charging hole 103-until the top of the first plug 103-2 covers the inner end of the bomb charging hole 103-1. The telescopic driving device 103-5 drives the pressing bolt 103-3 to move forwards to press the top of the first plug 103-2, so that the first plug 103-2 is limited.
As shown in FIG. 14, the hyperbaric chamber inflation port 303 comprises a hyperbaric chamber inflation hole 303-1 formed at the bottom of the hyperbaric chamber housing 301 and a second plug 303-2 engaged with the hyperbaric chamber inflation hole 303-1, wherein the second plug 303-2 is connected with the bottom of the hyperbaric chamber housing 301 through a peripheral locking device 303-3.
As shown in fig. 15 to 17, the locking device 303-3 comprises an inner ring 303-3-1, an outer ring 303-3-2 and a plurality of locking pieces 303-3-3 arranged in a ring shape, the inner ring 303-3-1 is fixed at the bottom of the high pressure ballast shell 301 by bolts, one end of each locking piece 303-3-3 is hinged on the inner ring 303-3-1, the other end is connected with the outer ring 303-3-2 by a connecting rod 303-3-4, and two ends of the connecting rod 303-3-4 are respectively hinged on the outer ring 303-3-2 and the locking pieces 303-3-3; the inner side of each locking piece 303-3-3 is provided with a third bulge 303-3-5, the outer wall of the second plug 303-2 is provided with a locking groove 303-2-1, and the third bulge 303-3-5 is embedded into the locking groove 303-2-1.
The outer ring 303-3-2 is rotated to drive the connecting rods 303-3-4 to drive the locking pieces 303-3-3 to rotate, so that the third protrusions 303-3-5 on the locking pieces 303-3-3 are embedded into the locking grooves 303-2-1, and the second plug 303-2 is locked. A plurality of fixing holes 303-3-6 are formed in the outer ring 303-3-2, and after the second plugs 303-2 are locked, the fixing holes 303-3-6 are bolted to the bottom of the ballast housing 301.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. A pressure relief pneumatic fire extinguishing bomb, comprising:
a fire extinguishing bomb (1) containing a fire extinguishing agent;
the fire extinguishing bomb comprises a pressure relief cabin section (2), wherein the pressure relief cabin section (2) is fixedly connected with the tail of the fire extinguishing bomb body (1), and an inflatable pressure relief opening (201) is formed in the outer wall of the pressure relief cabin section (2);
the high-pressure cabin section (3) is located at the tail part of the pressure relief cabin section (2), the high-pressure cabin section (3) comprises a high-pressure cabin shell (301) with an open top structure, a pressure control membrane (302) is arranged at the top part of the high-pressure cabin shell (301), a high-pressure cabin inflation inlet (303) is arranged at the bottom part of the high-pressure cabin shell, the front part of the high-pressure cabin shell (301) is hermetically embedded into an inner cavity of the pressure relief cabin section (2), and the outer wall of the high-pressure cabin shell (301) is connected with the outer wall of the pressure relief cabin section (2) through a breakable connecting frame (4).
2. The pressure-relieving pneumatic fire extinguishing bomb according to claim 1, characterized in that: the fire extinguishing bomb body (1) comprises a bomb body shell (101) with a top opening structure, a bomb head (102) at the top of the bomb body shell (101), a bomb body inflation inlet (103) is formed in the bottom of the inner cavity of the bomb body shell (101), a fire extinguishing agent pushing support plate (104) is connected in a sliding sealing mode in the hollow inner cavity of the bomb body shell (101), and the bottom surface of the fire extinguishing agent pushing support plate (104) is connected with the bottom of the inner cavity of the bomb body shell (101) through a controllable trigger switch (105).
3. The pressure-relieving pneumatic fire extinguishing bomb according to claim 2, characterized in that: the trigger switch (105) comprises a guide rod (105-1), a pin (105-2), a spring (105-3) and a magnetic attraction device (105-4); the bottom end of the guide rod (105-1) is fixed at the bottom of the hollow inner cavity of the projectile body shell (101), the top end of the guide rod (105-1) is connected with the projectile head (102), and the fire extinguishing agent push-out supporting plate (104) is connected to the guide rod (105-1) in a sliding and sealing mode;
the two sides of the lower part of the guide rod (105-1) are respectively provided with a pull rod (105-5), the top end of the pull rod (105-5) is fixedly connected with the fire extinguishing agent push-out supporting plate (104), the front end of the pin (105-2) sequentially penetrates through the spring (105-3), the pull rod (105-5) on one side, the guide rod (105-1) and the pull rod (105-5) on the other side and then is magnetically attracted with the magnetic attraction device (105-4), and the magnetic attraction device (105-4) is connected to the bottom of the hollow inner cavity of the projectile body shell (101) through a magnetic attraction support (105-6);
the top end of the guide rod (105-1) is provided with a top plate (106), the top surface of the top plate (106) is provided with a plurality of tensioning columns (107) with radial elasticity, and the tensioning columns (107) are embedded into and tensioned in reserved holes in the bottom of the warhead (102).
4. The pressure-relieving pneumatic fire extinguishing bomb according to claim 2, characterized in that: the projectile body charging port (103) comprises a projectile body charging hole (103-1) arranged at the bottom of the inner cavity of the projectile body shell (101), and a first plug (103-2) with an I-shaped section matched with the elastomer inflation hole (103-1), the top of the first plug (103-2) covers the inner end of the elastomer inflation hole (103-1), the bottom of the first plug (103-2) is connected in the elastomer inflation hole (103-1) in a sliding way, two sides of the bottom of the first plug (103-2) are provided with first bulges (103-6), two side walls of the projectile body inflation hole (103-1) are provided with first sliding grooves (103-7) in sliding fit with the first bulges (103-6), and the top ends of the first sliding grooves (103-7) are closed;
a pressing bolt (103-3) is arranged on one side of the inner end of the bomb inflating hole (103-1), the pressing bolt (103-3) is connected to a bolt frame (103-4) in a sliding mode, the bolt frame (103-4) is fixed to the bottom of the hollow inner cavity of the bomb shell (101), and a telescopic driving device (103-5) is connected to the rear portion of the pressing bolt (103-3).
5. The pressure-relieving pneumatic fire extinguishing bomb according to claim 1, characterized in that: the end face of the pressure control diaphragm (302) is provided with notches (302-1) facilitating fracture.
6. The pressure-relieving pneumatic fire extinguishing bomb according to claim 5, characterized in that: the notch groove (302-1) is in a cross shape.
7. The pressure-relieving pneumatic fire extinguishing bomb according to claim 6, characterized in that: the hyperbaric chamber inflation port (303) comprises a hyperbaric chamber inflation hole (303-1) formed in the bottom of the hyperbaric chamber shell (301) and a second plug (303-2) matched with the hyperbaric chamber inflation hole (303-1), and the second plug (303-2) is connected with the bottom of the hyperbaric chamber shell (301) through a peripheral locking device (303-3).
8. The pressure-relieving pneumatic fire extinguishing bomb according to claim 1, characterized in that: the locking device (303-3) comprises an inner ring (303-3-1), an outer ring (303-3-2) and a plurality of locking sheets (303-3-3) which are annularly arranged, the inner ring (303-3-1) is fixed at the bottom of the high-pressure ballast shell (301), one end of each locking sheet (303-3-3) is hinged to the inner ring (303-3-1), the other end of each locking sheet is connected with the outer ring (303-3-2) through a connecting rod (303-3-4), and two ends of each connecting rod (303-3-4) are respectively hinged to the outer ring (303-3-2) and the locking sheet (303-3-3);
the inner side of each locking sheet (303-3-3) is provided with a third bulge (303-3-5), the outer wall of the second plug (303-2) is provided with a locking groove (303-2-1), and the third bulge (303-3-5) is embedded into the locking groove (303-2-1);
a plurality of fixing holes (303-3-6) are arranged on the outer ring (303-3-2), and the fixing holes (303-3-6) are connected to the bottom of the high-pressure cabin shell (301) through bolts.
9. The pressure-relieving pneumatic fire extinguishing bomb according to claim 1, characterized in that: the connecting frame (4) comprises a frame body (401) fixed on the high-pressure cabin shell (301), a breakable connecting body (402) is arranged on the frame body (401), and the connecting end of the connecting body (402) is connected to the pressure relief cabin section (2).
10. The pressure-relieving pneumatic fire extinguishing bomb according to claim 1, characterized in that: the pressure relief port (201) comprises a pressure relief hole (201-1) formed in the side wall of the upper portion of the pressure relief cabin section (2) and a pressure relief plug (201-2) matched with the pressure relief hole (201-1), the top of the pressure relief plug (201-2) covers the inner end of the pressure relief hole (201-1), the bottom of the pressure relief plug (201-2) is connected into the pressure relief hole (201-1) in a sliding mode, a plurality of second protrusions (201-3) are arranged at the bottom of the pressure relief plug (201-2), a second sliding groove (201-4) in sliding fit with the second protrusions (201-3) is formed in the side wall of the pressure relief hole (201-1), and the top end of the second sliding groove (201-4) is sealed.
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| CN202011363137.5A CN112473041B (en) | 2020-11-27 | 2020-11-27 | Pressure-relief pneumatic fire extinguishing bomb |
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| CN202011363137.5A CN112473041B (en) | 2020-11-27 | 2020-11-27 | Pressure-relief pneumatic fire extinguishing bomb |
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| CN112473041B CN112473041B (en) | 2022-02-08 |
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Cited By (1)
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| CN113262406A (en) * | 2021-05-11 | 2021-08-17 | 合肥工业大学 | Novel floating fire extinguishing bomb and floating disc applying same |
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| Publication number | Publication date |
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| CN112473041B (en) | 2022-02-08 |
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