CN110368622B - Multistage pneumatic launching fire extinguishing gun - Google Patents
Multistage pneumatic launching fire extinguishing gun Download PDFInfo
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- CN110368622B CN110368622B CN201910705841.5A CN201910705841A CN110368622B CN 110368622 B CN110368622 B CN 110368622B CN 201910705841 A CN201910705841 A CN 201910705841A CN 110368622 B CN110368622 B CN 110368622B
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- gun barrel
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- storage tank
- gas storage
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
Abstract
The invention discloses a multistage pneumatic launching fire-extinguishing gun, which comprises a primary air storage tank and a primary gun tube which are hermetically connected, wherein the primary air storage tank is erected on a bracket, and a primary air storage nozzle is arranged on the wall of the primary air storage tank; the muzzle department of one-level barrel is provided with second grade accelerator, is provided with a plurality of bars hole that are the annular and arrange on the pipe wall of one-level barrel, is provided with the bullet in the one-level barrel and holds in the palm, and the sealing ring is established to the upper portion and the lower part of bullet support all overlapping, and two sealing rings are located respectively the both sides in bars hole, the lower extreme that the bullet held in the palm support on the percussion base, the upper portion embedding of percussion base is connected at the lower extreme of one-level barrel, and the middle part of terminal surface is provided with the percussion air cock under the percussion base. The fire extinguishing bomb provided by the invention has the advantages that the structure is simple, the use is convenient, the fire extinguishing bomb can be repeatedly launched after being inflated, the firing range of the fire extinguishing bomb is farther under the action of the secondary speed increasing device, a fire fighter can be far away from a dangerous fire scene, and the life safety of the fire fighter is effectively ensured.
Description
Technical Field
The invention relates to the field of fire fighting, in particular to a multistage pneumatic launching fire extinguishing gun.
Background
The existing fire truck system can only be used for low-rise buildings and fire rescue of non-violent combustible materials, along with the development of the society, the fire extinguishing of high-rise buildings, hazardous chemical substances and fuel storage tank areas is more and more emphasized, the fire extinguishing bomb is a fire extinguishing tool which is effective for extinguishing fire in the high-rise buildings, the hazardous chemical substances and the fuel storage tank areas, the pneumatic fire extinguishing gun system in the prior art only has a one-level pneumatic propulsion function, and the fire extinguishing bomb is difficult to be remotely projected to dangerous fire fields such as the hazardous chemical substances and the fuel storage tank areas.
Disclosure of Invention
The invention aims to provide a multistage pneumatic launching fire extinguishing gun, which solves the problem that a pneumatic fire extinguishing gun system in the prior art only has a one-stage pneumatic propelling function and is difficult to project a fire extinguishing bomb in a long distance.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a multistage pneumatic launching fire-extinguishing gun, which comprises a primary air storage tank and a primary gun tube which are hermetically connected, wherein the primary air storage tank is erected on a bracket, and a primary air storage nozzle is arranged on the wall of the primary air storage tank;
the muzzle department of one-level gun barrel is provided with second grade accelerator, be provided with a plurality of gas holes that are the annular and arrange on the pipe wall of one-level gun barrel, be provided with the bullet in the one-level gun barrel and hold in the palm, the upper portion that the bullet held in the palm all overlaps with the lower part and establishes the sealing ring, two the sealing ring is located respectively the both sides in gas hole, the lower extreme that the bullet held in the palm is supported on the percussion base, the upper portion embedding of percussion base is connected and is in the lower extreme of one-level gun barrel, the middle part of terminal surface is provided with the percussion air cock under the percussion base.
Further, the percussion base includes first flange and second flange, be provided with sealed the pad between first flange and the second flange, and first flange and second flange are connected through a plurality of bolt assembly, the upper portion embedding and the welding of first flange are in the one-level gun barrel, the lower extreme of bullet support is supported on the up end of first flange, the middle part of second flange be provided with the screw hole of percussion air cock adaptation, the percussion air cock passes through threaded connection in the screw hole.
Furthermore, the primary gas storage tank is hinged to the support, an inclined buffer spring is arranged obliquely below the second flange, the upper end of the buffer spring is sleeved on and abuts against the second flange, the lower end of the buffer spring is embedded into and abuts against a spring seat, and the spring seat is connected to the support;
the spring holder is provided with a guide hole, and a percussion air pipe communicated with the percussion air tap is arranged in the guide hole.
Furthermore, an annular limiting groove is formed in the surface, in contact with the buffer spring, of the spring seat, and the lower end of the buffer spring is embedded into and abuts against the annular limiting groove.
Further, the secondary speed increasing device comprises a secondary air storage tank and a secondary gun barrel which are hermetically connected, a secondary air storage nozzle is arranged on the tank wall of the secondary air storage tank, a plurality of electromagnetic ball valves are arranged in the secondary air storage tank, and the air outlet of each electromagnetic ball valve is connected to a reserved mounting hole in the pipe wall of the secondary gun barrel;
the fire extinguishing gun is characterized in that a proximity switch used for controlling the action of the electromagnetic ball valve is arranged on the pipe wall of the upper portion of the second-stage gun barrel, the linear distance between the proximity switch and the electromagnetic ball valve is larger than the total length of a fire extinguishing bomb and the bullet holder, a third flange and a fourth flange are arranged at the lower end of the second-stage gun barrel, the third flange is welded at the lower end of the second-stage gun barrel, the fourth flange is welded at the upper end of the first-stage gun barrel, a sealing gasket is arranged between the third flange and the fourth flange, and the third flange and the fourth flange are connected through a plurality of bolt assemblies.
Furthermore, the connection part of the primary gun barrel and the primary gas storage tank is hermetically connected in a welding mode; and the connection part of the secondary gun barrel and the secondary gas storage tank is hermetically connected in a welding mode.
Furthermore, each air grid hole is waist-shaped.
Compared with the prior art, the invention has the beneficial technical effects that:
the fire extinguishing bomb propelling, launching and firing are both carried out through high-pressure gas, when the lower end of the high-pressure gas propelling bomb trailer is higher than the lowest position of the gas grid hole, the primary gun tube is communicated with the primary gas storage tank, the high-pressure gas of the primary gas storage tank rapidly rushes into the primary gun tube through the gas grid hole due to the pressure difference, the high-pressure gas propelling bomb trailer moves upwards rapidly, when the top of the fire extinguishing bomb arrives at the induction area of the proximity switch, the proximity switch controls the electromagnetic ball valve to be opened, and the high-pressure gas in the secondary gas storage tank rushes into the secondary gun tube, so that the secondary speed increasing effect of the fire extinguishing bomb is realized.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view of a multi-stage pneumatic-fire extinguisher according to the present invention;
FIG. 2 is a cross-sectional view of a multi-stage pneumatic fire extinguishing gun according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a cross-sectional view of the spring seat of the present invention;
FIG. 5 is a schematic structural diagram of a primary gun barrel according to the present invention.
Description of reference numerals: 1. a primary gas storage tank; 2. a first-stage gun barrel; 201. carrying out cartridge support; 3. a support; 4. a primary air storage nozzle; 5. a gas gate hole; 6. triggering the base; 601. a first flange; 602. a second flange; 602-1, a threaded hole; 7. triggering the air tap; 8. a buffer spring; 9. a spring seat; 901. a guide hole; 902. an annular limiting groove; 10. percussion trachea; 11. a secondary speed increasing device; 1101. a secondary gas storage tank; 1102. a second-stage gun barrel; 1103. a secondary air storage nozzle; 1104. an electromagnetic ball valve; 1105. a proximity switch; 1106. a third flange; 1107. and a fourth flange.
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 5, this embodiment discloses a multistage pneumatic transmission fire-extinguishing gun, including sealing connection's one-level gas holder 1 and one-level gun barrel 2, in this embodiment, the one-level gun barrel 2 passes through welding mode sealing connection with the connection position of one-level gas holder 1, and one-level gas holder 1 erects on support 3 to be provided with one-level gas storage air cock 4 with the inner chamber intercommunication on the jar wall of one-level gas holder 1, one-level gas storage air cock 4 passes through threaded connection on the jar wall of one-level gas holder 1. The pipe wall of the primary gun barrel 2 is provided with a plurality of gas gate holes 5 which are annularly arranged, and in the embodiment, each gas gate hole 5 is waist-shaped. Be provided with in one-level gun barrel 2 and play the support 201, the sealing ring is all established to the upper portion and the lower part cover that play support 201, two sealing rings are located the both sides in gas hole 5 respectively, the design has ensured like this that the high-pressure gas in one-level gas holder 1 can not reveal in one-level gun barrel 2 through gas hole 5, the lower extreme that play support 201 supports on percussion base 6, the lower extreme at one-level gun barrel 2 is connected in the upper portion embedding of percussion base 6, there is percussion air cock 7 at the middle part of terminal surface under the percussion base 6 through threaded connection.
It should be noted that the fire extinguishing bomb used by the fire extinguishing gun belongs to the prior art, for example, the chinese utility model patent with application number CN201811478371.5 discloses a fire extinguishing bomb without initiating explosive devices, which adopts compressed gas (air, nitrogen, etc.) to drive and launch, and after reaching the fire scene, the fire extinguishing bomb releases the driving fire extinguishing agent through compressed gas (such as nitrogen, carbon dioxide, etc.) to throw and implement fire extinguishing, the bomb body does not explode, no fragments are generated, no initiating explosive devices are used, the potential safety hazard of the fire extinguishing bomb in the production, storage, transportation and use processes is avoided, and the fire extinguishing bomb can be used by the fire extinguishing bomb.
In order to clean the inside of the first-level gun barrel 2 conveniently, the percussion base 6 comprises a first flange 601 and a second flange 602, a sealing gasket is arranged between the first flange 601 and the second flange 602, the first flange 601 and the second flange 602 are connected through a plurality of bolt assemblies, when the first-level gun barrel needs to be cleaned, the first flange 601 and the second flange 602 are detached, the upper portion of the first flange 601 is embedded and welded in the first-level gun barrel 2, the lower end of the sabot 201 abuts against the upper end face of the first flange 601, a threaded hole 602-1 matched with the percussion air tap 7 is formed in the middle of the second flange 602, and the percussion air tap 7 is connected into the threaded hole 602-1 through threads.
In order to reduce recoil when the fire extinguishing cannon launches the shell, the one-level gas holder 1 articulates on support 3 through the round pin axle of both sides, the oblique below of second flange 602 is provided with the buffer spring 8 of slope, the upper end cover of buffer spring 8 is established and is supported on second flange 602, the lower extreme embedding of buffer spring 8 is supported in spring holder 9, spring holder 9 passes through bolt assembly and connects on support 3, because percussion air cock 7 is arranged in buffer spring 8, for the ease of percussion air cock 7 and external pipeline intercommunication, be provided with guide hole 901 on spring holder 9, be provided with the percussion trachea 10 that is used for with percussion air cock 7 intercommunication in the guide hole 901.
In order to effectively position the buffer spring 8, an annular limiting groove 902 is formed on the surface of the spring seat 9, which is in contact with the buffer spring 8, and the lower end of the buffer spring 8 is embedded and abutted in the annular limiting groove 902.
In order to improve the range of fire extinguishing bomb, a second-stage speed increasing device 11 is arranged at the muzzle of the first-stage gun barrel 2, the second-stage speed increasing device 11 comprises a second-stage gas storage tank 1101 and a second-stage gun barrel 1102 which are connected in a sealing mode, in the embodiment, the connecting part of the second-stage gun barrel 1102 and the second-stage gas storage tank 1101 is connected in a sealing mode in a welding mode, a second-stage gas storage nozzle 1103 is connected to the wall of the second-stage gas storage tank 1101 through threads, a plurality of electromagnetic ball valves 1104 are arranged in the second-stage gas storage tank 1101, the gas outlets of the electromagnetic ball valves 1104 are all welded in reserved mounting holes in the wall of the second-stage gun barrel. The pipe wall of the upper part of the secondary gun barrel 1102 is provided with a proximity switch 1105 for controlling the action of the electromagnetic ball valve 1104, the linear distance between the proximity switch 1105 and the electromagnetic ball valve 1104 is larger than the total length of the fire extinguishing bomb and the bomb holder 201, and a person skilled in the art can understand that when the top of the fire extinguishing bomb reaches the induction area of the proximity switch 1105, the lower end of the bomb holder 201 exceeds the position of the electromagnetic ball valve 1104, at this time, the proximity switch 1105 controls the electromagnetic ball valve 1104 to open, and high-pressure gas in the secondary gas storage tank 1101 is flushed into the secondary gun barrel 1102, so that the secondary speed-increasing effect of the fire extinguishing bomb is realized.
In order to facilitate the disassembly of the secondary speed increasing device 11, a third flange 1106 and a fourth flange 1107 are arranged at the lower end of the secondary gun barrel 1102, the third flange 1106 is welded at the lower end of the secondary gun barrel 1102, the fourth flange 1107 is welded at the upper end of the primary gun barrel 2, a sealing gasket is arranged between the third flange 1106 and the fourth flange 1107, and the third flange 1106 and the fourth flange 1107 are connected through a plurality of bolt assemblies.
The action process of the invention is as follows:
sequentially filling the bomb carrier 201 and the fire extinguishing bomb into the primary gun barrel 2, wherein the tail part of the fire extinguishing bomb is abutted against the bomb carrier 201, high-pressure gas (air or nitrogen is filled in the high-pressure gas cylinder) is respectively filled into the primary gas storage tank 1 and the secondary gas storage tank 1101 through the high-pressure gas cylinder, and the charging is stopped when the high-pressure gas in the primary gas storage tank 1 and the secondary gas storage tank 1101 reaches a preset pressure; the percussion air pipe 10 is connected to a high-pressure gas cylinder through a valve, at the moment, the valve is opened and then is closed immediately, high-pressure gas enters the first-stage gun barrel 2 through the percussion air pipe 10 and the percussion air nozzle 7, the high-pressure gas pushes the bomb trailer 201 to ascend, when the lower end of the bomb trailer 201 is higher than the lowest position of the gas barrier hole 5, a sealing ring on the bomb trailer 201 cannot play a sealing role, the first-stage gun barrel 2 and the first-stage gas storage tank 1 are already in a communicated state, due to the effect of pressure difference, the high-pressure gas of the first-stage gas storage tank 1 rapidly rushes into the first-stage gun barrel 2 through the gas barrier hole 5, the high-pressure gas pushes the bomb trailer 201 to move upwards rapidly, when the top of the fire extinguishing bomb reaches an induction area of the proximity switch 1105, at the moment, the proximity switch 1105 controls the electromagnetic ball valve to open, the high-pressure gas in the second-stage gas storage tank 1101 rushes, finally, the fire extinguishing bomb and bomb trailer 201 are launched under high pressure gas.
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 (3)
1. The utility model provides a multistage pneumatic transmission fire gun which characterized in that: the gun barrel comprises a primary gas storage tank (1) and a primary gun barrel (2) which are connected in a sealing manner, wherein the primary gas storage tank (1) is erected on a bracket (3), and a primary gas storage nozzle (4) is arranged on the tank wall of the primary gas storage tank (1);
a secondary speed increasing device (11) is arranged at the muzzle of the primary gun barrel (2), a plurality of annularly arranged gas holes (5) are formed in the tube wall of the primary gun barrel (2), a bullet holder (201) is arranged in the primary gun barrel (2), sealing rings are sleeved on the upper portion and the lower portion of the bullet holder (201), the two sealing rings are respectively located on two sides of the gas holes (5), the lower end of the bullet holder (201) abuts against a percussion base (6), the upper portion of the percussion base (6) is embedded into and connected with the lower end of the primary gun barrel (2), and a percussion air tap (7) is arranged in the middle of the lower end face of the percussion base (6);
the secondary speed increasing device (11) comprises a secondary gas storage tank (1101) and a secondary gun barrel (1102) which are connected in a sealing mode, a secondary gas storage nozzle (1103) is arranged on the wall of the secondary gas storage tank (1101), a plurality of electromagnetic ball valves (1104) are arranged in the secondary gas storage tank (1101), and the gas outlet of each electromagnetic ball valve (1104) is connected to a reserved mounting hole in the wall of the secondary gun barrel (1102);
a proximity switch (1105) used for controlling the action of the electromagnetic ball valve (1104) is arranged on the pipe wall of the upper part of the secondary gun barrel (1102), the linear distance between the proximity switch (1105) and the electromagnetic ball valve (1104) is larger than the total length of a fire extinguishing bomb and the bomb holder (201), a third flange (1106) and a fourth flange (1107) are arranged at the lower end of the secondary gun barrel (1102), the third flange (1106) is welded at the lower end of the secondary gun barrel (1102), the fourth flange (1107) is welded at the upper end of the primary gun barrel (2), a sealing gasket is arranged between the third flange (1106) and the fourth flange (1107), and the third flange (1106) and the fourth flange (1107) are connected through a plurality of bolt assemblies;
the percussion base (6) comprises a first flange (601) and a second flange (602), a sealing gasket is arranged between the first flange (601) and the second flange (602), the first flange (601) and the second flange (602) are connected through a plurality of bolt assemblies, and the upper part of the first flange (601) is embedded and welded in the primary gun barrel (2);
the lower end of the bullet holder (201) abuts against the upper end face of the first flange (601), a threaded hole (602-1) matched with the percussion air nozzle (7) is formed in the middle of the second flange (602), and the percussion air nozzle (7) is connected into the threaded hole (602-1) through threads;
the primary gas storage tank (1) is hinged to the support (3), an inclined buffer spring (8) is arranged obliquely below the second flange (602), the upper end of the buffer spring (8) is sleeved and abutted on the second flange (602), the lower end of the buffer spring (8) is embedded into and abutted against a spring seat (9), and the spring seat (9) is connected to the support (3);
a guide hole (901) is formed in the spring seat (9), and a firing air pipe (10) communicated with the firing air nozzle (7) is arranged in the guide hole (901);
an annular limiting groove (902) is formed in the surface, in contact with the buffer spring (8), of the spring seat (9), and the lower end of the buffer spring (8) is embedded into and abuts against the annular limiting groove (902).
2. The multi-stage pneumatic fire-fighting cannon of claim 1, wherein: the connection part of the primary gun tube (2) and the primary gas storage tank (1) is in sealing connection in a welding mode; and the connection part of the secondary gun barrel (1102) and the secondary gas storage tank (1101) is in sealing connection in a welding mode.
3. The multi-stage pneumatic fire-fighting cannon of claim 1, wherein: each air grid hole (5) is waist-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705841.5A CN110368622B (en) | 2019-08-01 | 2019-08-01 | Multistage pneumatic launching fire extinguishing gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705841.5A CN110368622B (en) | 2019-08-01 | 2019-08-01 | Multistage pneumatic launching fire extinguishing gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110368622A CN110368622A (en) | 2019-10-25 |
| CN110368622B true CN110368622B (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910705841.5A Active CN110368622B (en) | 2019-08-01 | 2019-08-01 | Multistage pneumatic launching fire extinguishing gun |
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| Country | Link |
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| CN (1) | CN110368622B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151379B (en) * | 2011-04-21 | 2012-09-26 | 哈尔滨工程大学 | High-rise building firefighting cannon |
| KR101975875B1 (en) * | 2016-12-26 | 2019-05-08 | 주식회사 한화 | Cluster Submunition |
| CN109556820B (en) * | 2019-01-26 | 2024-03-19 | 西安工业大学 | High-speed moving body accelerating device for strong impact test and method thereof |
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2019
- 2019-08-01 CN CN201910705841.5A patent/CN110368622B/en active Active
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| CN110368622A (en) | 2019-10-25 |
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