CN115040806B - Airborne fire extinguishing bomb scattering device - Google Patents
Airborne fire extinguishing bomb scattering device Download PDFInfo
- Publication number
- CN115040806B CN115040806B CN202210964773.6A CN202210964773A CN115040806B CN 115040806 B CN115040806 B CN 115040806B CN 202210964773 A CN202210964773 A CN 202210964773A CN 115040806 B CN115040806 B CN 115040806B
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- throwing
- piston
- fire extinguishing
- limiting pin
- extinguishing 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
- A62C3/0228—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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
Abstract
The invention belongs to the field of forest fire fighting and extinguishment, and relates to an airborne fire extinguishing bomb scattering device which consists of a motor, a rotating pipe, a speed storage spring, a speed storage piston electromagnetic limiting pin, a fire extinguishing bomb electromagnetic limiting pin, a fixed pipe, a scattering spring, a scattering piston electromagnetic limiting pin, a protection pad, a scattering piston electromagnetic limiting pin seat, a control circuit board and a power supply, wherein under the action of the motor and the speed storage spring, centrifugal force and recoil dual environmental force are provided for the fire extinguishing bomb before being scattered to remove redundant insurance of the fire extinguishing bomb, and a fuze design using the fire extinguishing bomb is facilitated; the invention has simple design structure and convenient operation and use, and can efficiently realize airborne dispersion and detonation of the fire extinguishing bomb.
Description
Technical Field
The invention belongs to the field of forest fire fighting and extinguishment, relates to a fire extinguishing bomb scattering device, and particularly relates to an airborne fire extinguishing bomb scattering device.
Background
Forest fire-fighting work belongs to the nature of emergency rescue and disaster relief, and relates to ecological safety and people life and property safety; after forest fire happens, fire extinguishing safety and fire behavior remote pressure control are still worldwide difficult problems. The forest fire extinguishing bomb is used as a remote fire extinguishing tool and has an important effect on forest fire prevention, and the airplane is used as a carrying platform and has a wide effect in the fields of military and civil use.
For fire extinguishing bomb preservation and on-board safety, a fuse is matched with the fire extinguishing bomb, and the common fuse design needs to adopt a recoil force and a centrifugal force to relieve redundancy insurance.
Disclosure of Invention
The invention aims to provide an airborne fire extinguishing bomb throwing device which can provide certain centrifugal force and recoil for a fire extinguishing bomb and is beneficial to the design of a fire extinguishing bomb fuse.
The technical scheme adopted by the invention for realizing the purpose is as follows:
a machine-mounted fire extinguishing bomb scattering device comprises a motor, a rotating pipe, a speed storage spring, a speed storage piston electromagnetic limiting pin, a fire extinguishing bomb electromagnetic limiting pin, a fixed pipe, a scattering piston, a scattering spring, a scattering piston electromagnetic limiting pin seat, a protection pad, a power supply and a control circuit board, wherein the motor is connected with the rotating pipe;
the motor is fixed on the carrier through the fixing seat, the rotating pipe is suspended, one end of the rotating pipe is closed, the outer center of the closed end is fixedly connected with a rotating shaft of the motor, the speed storage spring is installed at the bottom in the rotating pipe, the outer side of the speed storage spring is in contact with one side of the speed storage piston, the other side of the speed storage piston is provided with the fire extinguishing bomb, the speed storage piston compresses the speed storage spring in an initial state, the electromagnetic limiting pin of the speed storage piston is embedded into the limiting pin hole in the speed storage piston to limit the movement of the speed storage piston, and the electromagnetic limiting pin of the fire extinguishing bomb is embedded into the limiting pin hole of the fire extinguishing bomb to ensure that the fire extinguishing bomb is relatively static with the rotating pipe in the rotating pipe; the fixed pipe is fixed with the loader through fixing seats at two ends, and the rotating pipe, the fire extinguishing bomb and the fixed pipe are coaxial and in clearance fit; the throwing piston electromagnetic limiting pin seat is fixedly connected with the fixed pipe, the throwing piston compresses the throwing spring in an initial state, the throwing piston electromagnetic limiting pin extends out of the throwing piston electromagnetic limiting pin seat and is inserted into a limiting pin hole in the throwing piston, and the movement of the throwing piston is limited; the fixed pipe is connected with a protective pad at the axial tail end.
The electromagnetic limiting pin of the speed storage piston, the electromagnetic limiting pin of the fire extinguishing bomb and the electromagnetic limiting pin of the throwing piston have the same structure and comprise an electromagnetic limiting pin shell, an electromagnetic limiting pin top cover, an electromagnetic limiting pin spring, an electromagnetic limiting pin top head and an electromagnetic limiting pin coil; the electromagnetic limiting pin top cover is buckled at one end of the electromagnetic limiting pin shell, the other end of the electromagnetic limiting pin shell stretches out of a protruding part of the electromagnetic limiting pin top, the electromagnetic limiting pin spring is arranged between the electromagnetic limiting pin top cover and the electromagnetic limiting pin top, one side of the electromagnetic limiting pin spring is sleeved on the protrusion of the electromagnetic limiting pin top cover, the other side of the electromagnetic limiting pin spring is embedded into a groove in the rear of the electromagnetic limiting pin top, and the electromagnetic limiting pin coil is arranged inside the electromagnetic limiting pin shell and is peripheral to the electromagnetic limiting pin top and the electromagnetic limiting pin spring.
The speed-storing piston electromagnetic limiting pin and the fire extinguishing bomb electromagnetic limiting pin are respectively connected with the rotating pipe through electromagnetic limiting connecting pieces, and the electromagnetic limiting connecting pieces, the fire extinguishing bomb electromagnetic limiting pin and the rotating pipe are connected through threads; the throwing piston electromagnetic limiting pin is connected with the throwing piston electromagnetic limiting pin seat through threads.
The control circuit board is respectively connected with the power supply, the motor, the speed storage piston electromagnetic limit pin, the fire extinguishing bomb electromagnetic limit pin and the throwing piston electromagnetic limit pin; the control circuit board realizes control through singlechip STM32F103C8T 6.
The invention has the beneficial effects that: through the rotary ejection mechanism of the device, the fire extinguishing bomb is ensured to be subjected to certain centrifugal force and recoil in the throwing process of the fire extinguishing bomb, and the design of a fuse of the fire extinguishing bomb is facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an electromagnetic speed-keeping piston limit pin and an electromagnetic fire extinguishing bomb limit pin in the invention;
FIG. 3 is a schematic structural view of a piston throwing electromagnetic limit pin according to the present invention;
FIG. 4 is a control circuit diagram of the present invention;
in the figure 1, a motor; 2. pipe rotation; 3. a speed storage spring; 4. a speed-storing piston; 5. storing an electromagnetic limiting pin of the speed piston; 6. fire extinguishing bombs; 7. an electromagnetic limit pin of the fire extinguishing bomb; 8. a fixed tube; 9. scattering the pipe; 10. scattering the piston; 11. scattering the spring; 12. scattering the electromagnetic piston limit pin; 13. scattering a piston electromagnetic limiting pin seat; 14. a protection pad; 15. a power source; 16. a control circuit board; 17. an electromagnetic limit pin housing; 18. a top cover of the electromagnetic limit pin; 19. an electromagnetic limit pin spring; 20. ejecting the electromagnetic limit pin; 21. an electromagnetic limit pin coil; 22. electromagnetism spacer pin connecting piece.
Detailed Description
The device of the invention is further elucidated with reference to the accompanying drawing:
an airborne fire extinguishing bomb throwing device is shown in figure 1 and comprises a motor 1, a rotating pipe 2, a speed storage spring 3, a speed storage piston 4, a speed storage piston electromagnetic limiting pin 5, a fire extinguishing bomb 6, a fire extinguishing bomb electromagnetic limiting pin 7, a fixed pipe 8, a throwing pipe 9, a throwing piston 10, a throwing spring 11, a throwing piston electromagnetic limiting pin 12, a throwing piston electromagnetic limiting pin seat 13, a protection pad 14, a power supply 15 and a control circuit board 16;
the motor 1 is fixed on a loader through a fixing seat, the rotating pipe 2 is suspended, one end of the rotating pipe 2 is closed, the outer center of the closed end is fixedly connected with a rotating shaft of the motor 1, the speed storage spring 3 is installed at the bottom in the rotating pipe 2, the outer side of the speed storage spring 3 is fixedly connected with one side of the speed storage piston 4, the other side of the speed storage piston 4 is provided with a fire extinguishing bomb 6, in an initial state, the speed storage piston 4 compresses the speed storage spring 3, and the speed storage piston electromagnetic limiting pin 5 is embedded into a limiting pin hole of the speed storage piston 4 to limit the movement of the speed storage piston 4; the fire extinguishing bomb electromagnetic limit pin 7 is embedded into the limit pin hole of the fire extinguishing bomb 6, so that the fire extinguishing bomb 6 is ensured to be relatively static with the rotating pipe 2 in the rotating pipe 2; the fixed pipe 8 is fixed with the loader through fixing seats at two ends, and the rotating pipe 2, the fire extinguishing bomb 6 and the fixed pipe 8 are coaxial and are in clearance fit; the radial side of the fixed pipe 8 is provided with an opening, the other side of the fixed pipe is vertically provided with a throwing pipe 9, a throwing spring 11 and a throwing piston 10 are arranged in the throwing pipe 9, a throwing piston electromagnetic limiting pin 12 and a throwing piston electromagnetic limiting pin seat 13 are arranged outside the throwing pipe 9, the throwing piston electromagnetic limiting pin 12 is arranged in the throwing piston electromagnetic limiting pin seat 13, the throwing piston electromagnetic limiting pin seat 13 is fixedly connected with the fixed pipe 8, in an initial state, the throwing piston 10 compresses the throwing spring 11, the throwing piston electromagnetic limiting pin 12 extends out of the throwing piston electromagnetic limiting pin seat 13 and is inserted into a limiting pin hole in the throwing piston 10, and the movement of the throwing piston 10 is limited; the fixing tube 8 is connected at its axial end with a protection pad 14.
The speed-storage piston electromagnetic limit pin 5, the fire extinguishing bomb electromagnetic limit pin 7 and the throwing piston electromagnetic limit pin 12 are identical in structure, and as shown in fig. 2, comprise an electromagnetic limit pin shell 17, an electromagnetic limit pin top cover 18, an electromagnetic limit pin spring 19, an electromagnetic limit pin top head 20 and an electromagnetic limit pin coil 21; the electromagnetic limit pin top cover 18 is buckled at one end of the electromagnetic limit pin shell 17, the other end of the electromagnetic limit pin shell 17 extends out of a convex part of the electromagnetic limit pin top head 20, the electromagnetic limit pin spring 19 is arranged between the electromagnetic limit pin top cover 18 and the electromagnetic limit pin top head 20, one side of the electromagnetic limit pin spring 19 is sleeved on the convex part of the electromagnetic limit pin top cover 18, the other side of the electromagnetic limit pin spring is embedded into a groove at the tail part of the electromagnetic limit pin top head 20, the electromagnetic limit pin coil 21 is arranged inside the electromagnetic limit pin shell 17, and the periphery of the electromagnetic limit pin top head 20 and the electromagnetic limit pin spring 19 is formed. After the speed-storing piston electromagnetic limiting pin 5, the fire extinguishing bomb electromagnetic limiting pin 7 or the throwing piston electromagnetic limiting pin 12 are connected with an instruction of the control circuit board 16, the electromagnetic limiting pin coil 21 is electrified, and the electromagnetic limiting pin top 20 overcomes the resistance of the electromagnetic limiting pin spring 19 to move so as to remove the limitation on the speed-storing piston, the fire extinguishing bomb or the throwing piston.
The speed-storage piston electromagnetic limiting pin 5 and the fire extinguishing bomb electromagnetic limiting pin 7 are respectively connected with the rotating pipe 2 through an electromagnetic limiting pin connecting piece 22, as shown in fig. 2, the speed-storage piston electromagnetic limiting pin 5 and the electromagnetic limiting pin connecting piece 22 are connected, the fire extinguishing bomb electromagnetic limiting pin 7 and the electromagnetic limiting pin connecting piece 22 are connected, and the electromagnetic limiting connecting piece 22 and the rotating pipe 2 are connected through threads.
The throwing piston electromagnetic limit pin 12 is connected with the throwing piston electromagnetic limit pin base 13 through threads, as shown in fig. 3.
The control circuit board 16 is respectively connected with the power supply 15, the motor 1, the speed storage piston electromagnetic limit pin 5, the fire extinguishing bomb electromagnetic limit pin 7 and the throwing piston electromagnetic limit pin 12;
the control circuit board 16 mainly realizes the control through a singlechip, and the singlechip selects STM32F103C8T6 released by an intentional semiconductor; the four-in-one reset circuit is characterized in that 4 VDD pins are connected with a 3.3V power supply, 4 VSS pins are connected with GND, pins PD0 and PD1 are connected with two ends of an 8MHz passive crystal oscillator X1, two ends of the 8MHz passive crystal oscillator X1 are respectively connected with a capacitor of 22pF to the GND, and are connected with a resistor R55 of 1M in parallel, an NRST pin is connected with 3.3V through a pull-up resistor R54 and is connected with one end of a key switch SW1, the other end of the key switch SW1 is connected with the GND, and the key switch is connected with a capacitor C24 in parallel, so that a single chip microcomputer can be reset manually; the BOOT0 pin and the BOOT1 pin are respectively connected to GND through pull-down resistors R52 and R53, and two pins of USART, namely PA2 and PA3, are led out through pins for communication expansion; a SWD downloading mode is adopted, programs are downloaded for a single chip microcomputer through pins PA13 and PA14, 16 PA 4-PA 11, PB0, PB2 and PB 10-PB 15 are enabled, and 4 of the 16 pins are selected to be respectively connected with a control speed storage piston electromagnetic limiting pin 5, a fire extinguishing bomb electromagnetic limiting pin 7 and two scattering piston electromagnetic limiting pins 12, as shown in figure 4.
In the invention, the rotating pipe 2, the fixed pipe 8 and the scattering pipe 9 are all made of light aluminum alloy materials, the speed storage piston 4 and the scattering piston 10 are made of steel materials, and the protective pad 14 is made of rubber materials.
When the device is used, the power supply 15 is connected to supply power to the motor 1, the motor 1 drives the fire extinguishing bomb 6 to rotate rapidly through the rotating pipe 2, the fire extinguishing bomb 6 is endowed with a certain rotating speed, and the fuse of the fire extinguishing bomb 6 is endowed with a certain centrifugal force; when the control circuit board 16 gives a throwing instruction, the speed-storage piston electromagnetic limit pin 5 relieves the limit on the speed-storage piston 4, meanwhile, the fire extinguishing bomb electromagnetic limit pin 7 relieves the limit on the fire extinguishing bomb 6, the speed-storage spring 3 pushes the speed-storage piston 4 to further push the fire extinguishing bomb 6 to move forwards quickly, and a fuse of the fire extinguishing bomb 6 is endowed with certain recoil;
in the moving process of the fire extinguishing bomb 6, the control circuit board 16 gives an instruction again, after a certain time delay, the throwing piston electromagnetic limiting pin 12 releases the limitation on the throwing piston 10, when the fire extinguishing bomb 6 moves to an opening of the fixed pipe 8, the throwing spring 11 just pushes the throwing piston 10 to move in place, the fire extinguishing bomb 6 is pushed to move laterally, the fire extinguishing bomb 6 is endowed with a certain throwing speed, and is thrown out from the opening of the fixed pipe 8, so that the throwing of the fire extinguishing bomb 6 is realized; when the fire extinguishing bomb 6 is pushed to the opening of the fixed pipe 8 by the accumulating piston 4, the protective pad 14 can prevent the fire extinguishing bomb 6 from being damaged due to overlarge impact force with the tail end of the fixed pipe 8.
The invention realizes that a certain centrifugal force and recoil force are obtained under the condition of ensuring the fire extinguishing elastic energy before the fire extinguishing bomb 6 is thrown, so as to be beneficial to the fuze design of the fire extinguishing bomb 6.
Claims (6)
1. The utility model provides a device is shed to airborne fire extinguishing bomb which characterized in that: the device comprises a motor (1), a rotating pipe (2), a speed storage spring (3), a speed storage piston (4), a speed storage piston electromagnetic limiting pin (5), a fire extinguishing bomb (6), a fire extinguishing bomb electromagnetic limiting pin (7), a fixing pipe (8), a throwing pipe (9), a throwing piston (10), a throwing spring (11), a throwing piston electromagnetic limiting pin (12), a throwing piston electromagnetic limiting pin seat (13), a protection pad (14), a power supply (15) and a control circuit board (16);
the motor (1) is fixed on the carrier through a fixing seat, the rotating pipe (2) is suspended, one end of the rotating pipe (2) is closed, the outer center of the closed end is fixedly connected with a rotating shaft of the motor (1), the speed storage spring (3) is installed at the bottom in the rotating pipe (2), the outer side of the speed storage spring (3) is in contact with one side of the speed storage piston (4), a fire extinguishing bomb (6) is placed on the other side of the speed storage piston (4), the speed storage piston (4) compresses the speed storage spring (3) in an initial state, the speed storage piston electromagnetic limiting pin (5) is embedded into a limiting pin hole of the speed storage piston (4) to limit the movement of the speed storage piston (4), and the fire extinguishing bomb electromagnetic limiting pin (7) is embedded into a limiting pin hole of the fire extinguishing bomb (6) to ensure that the fire extinguishing bomb (6) and the rotating pipe (2) are kept static relatively; the fixed pipe (8) is fixed with the carrier through fixing seats at two ends, and the rotating pipe (2), the fire extinguishing bomb (6) and the fixed pipe (8) are coaxial and in clearance fit; the radial side of the fixed pipe (8) is provided with an opening, the other side of the fixed pipe is vertically provided with a throwing pipe (9), a throwing spring (11) and a throwing piston (10) are arranged in the throwing pipe (9), a throwing piston electromagnetic limiting pin (12) and a throwing piston electromagnetic limiting pin seat (13) are arranged outside the throwing pipe (9), the throwing piston electromagnetic limiting pin (12) is arranged in the throwing piston electromagnetic limiting pin seat (13), the throwing piston electromagnetic limiting pin seat (13) is fixedly connected with the fixed pipe (8), in an initial state, the throwing piston (10) compresses the throwing spring (11), and the throwing piston electromagnetic limiting pin (12) extends out of the throwing piston electromagnetic limiting pin seat (13) and is inserted into a limiting pin hole in the throwing piston (10) to limit the movement of the throwing piston (10); the control circuit board (16) is respectively connected with the power supply (15), the motor (1), the speed storage piston electromagnetic limiting pin (5), the fire extinguishing bomb electromagnetic limiting pin (7) and the throwing piston electromagnetic limiting pin (12).
2. The airborne fire extinguishing bomb dispersing device according to claim 1, wherein: the control circuit board (16) is controlled by a single chip microcomputer STM32F103C8T 6.
3. An airborne fire extinguishing bomb throwing device according to claim 1 and further comprising: the speed-storage piston electromagnetic limiting pin (5), the fire extinguishing bomb electromagnetic limiting pin (7) and the throwing piston electromagnetic limiting pin (12) are identical in structure and comprise an electromagnetic limiting pin shell (17), an electromagnetic limiting pin top cover (18), an electromagnetic limiting pin spring (19), an electromagnetic limiting pin top head (20) and an electromagnetic limiting pin coil (21); the electromagnetism spacer pin top cap (18) is buckled in electromagnetism spacer pin casing (17) one end, the bulge of electromagnetism spacer pin top (20) is stretched out to the electromagnetism spacer pin casing (17) other end, electromagnetism spacer pin spring (19) set up between electromagnetism spacer pin top cap (18) and electromagnetism spacer pin top (20), electromagnetism spacer pin spring (19) one side cup joints on the arch of electromagnetism spacer pin top cap (18), the recess of opposite side embedding electromagnetism spacer pin top (20) afterbody, electromagnetism spacer pin coil (21) set up inside electromagnetism spacer pin casing (17), the periphery of electromagnetism spacer pin top (20) and electromagnetism spacer pin spring (19).
4. An airborne fire extinguishing bomb throwing device according to claim 1 and further comprising: deposit fast piston electromagnetism spacer pin (5) and fire extinguishing bomb electromagnetism spacer pin (7) and be connected with commentaries on classics pipe (2) through electromagnetism spacer pin connecting piece (22) respectively, deposit between fast piston electromagnetism spacer pin (5) and electromagnetism spacer pin connecting piece (22), between fire extinguishing bomb electromagnetism spacer pin (7) and electromagnetism spacer pin connecting piece (22), all through threaded connection between electromagnetism spacer pin connecting piece (22) and commentaries on classics pipe (2).
5. An airborne fire extinguishing bomb throwing device according to claim 1 and further comprising: the throwing piston electromagnetic limiting pin (12) is connected with the throwing piston electromagnetic limiting pin seat (13) through threads.
6. An airborne fire extinguishing bomb throwing device according to claim 1 and further comprising: and a protective pad (14) is arranged at the axial tail end of the fixed pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210964773.6A CN115040806B (en) | 2022-08-12 | 2022-08-12 | Airborne fire extinguishing bomb scattering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210964773.6A CN115040806B (en) | 2022-08-12 | 2022-08-12 | Airborne fire extinguishing bomb scattering device |
Publications (2)
| Publication Number | Publication Date |
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| CN115040806A CN115040806A (en) | 2022-09-13 |
| CN115040806B true CN115040806B (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210964773.6A Active CN115040806B (en) | 2022-08-12 | 2022-08-12 | Airborne fire extinguishing bomb scattering device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20230308042A1 (en) * | 2022-01-27 | 2023-09-28 | Ameristar Solar, LLC | SOLAR eVTOL DRONE TOWER |
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| CN115040806A (en) | 2022-09-13 |
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