CN2193180Y - Fire-extinguishing shell and firing apparatus - Google Patents

Abstract

The utility model discloses a fire-extinguishing shell of a launching type and a special firing apparatus of the shell. The utility model is mainly characterized in that the fire-extinguishing shell is provided with stable tails, and propellant is arranged in the tails; a center power source can also be arranged in the body of the shell due to the requirements; the firing apparatus uses a firing device of a firing pin type; the tail part of the firing apparatus is provided with a fixing seat plate to prevent the damage of a launching frame caused by recoil forces; the firing apparatus is also provided with a sighting telescope, and an adjustable mechanism in high and low directions. The utility model can be widely used for extinguishing the fire of high buildings and long distances. The utility model has the advantages of improved hit ratio, large filling quantity of the extinguishment, good fire-extinguishing effect and improved stability during the flight course.

Description

Fire-extinguishing shell and firing apparatus

The utility model relates to a kind of emission-type fire extinguishing system, particularly a kind ofly is suitable for fire extinguisher bomb and emitter thereof remote or the skyscraper fire extinguishing.

The emission-type fire extinguisher bomb is one of a kind of mode that realizes remote or skyscraper fire extinguishing.Existing emission-type fire extinguishing system has two kinds, a kind of is to adopt the gases at high pressure of pressure-air, gas generator or gunpowder generation as power, directly carrying the shape pulvis that looses sprays from the transmitter high speed, the shape that will loose fire extinguishing pulvis is sprayed onto scene of a fire fire extinguishing, the thrown height of this mode or distance are all limited, generally can't be used for the skyscraper fire extinguishing.Another kind is the emission-type fire extinguisher bomb, adopt rocket to carry extinguishing chemical or employing air bubble, emission such as barrel Fire-extinguishing shell, realize skyscraper or remote fire extinguishing, be called " emission-type dry powder extinguisher " as Chinese patent 89218759.X name, it has introduced a kind of combustion chamber of regurgitating that a progradation has been installed on general dry-chemical fire extinguishing body, fill propellant in the combustion chamber, fire extinguishing system by the emission of guiding gun barrel, its emission is the recoil effect when utilizing burning, the impelling bullet is to the scene of a fire, the obvious deficiency that this emission-type fire extinguishing system exists is, (1) the fire extinguishing body anury wing, so body can't keep in-flight flying stable, thereby also hit exactly; (2) transmitter of fire extinguisher bomb does not have seat board, and the kick in its emission process will all be delivered on the ground by the gun carriage that can regulate the elevation angle so, and gun carriage is difficult to bear this kick; (3) this fire extinguisher bomb is the recoil effect emission that utilizes powder burning, according to the rocket launching principle, this emission is difficult to reduce initial velocity and scatters, thereby also can't pinpointing, another part Chinese patent close with present patent application: 89209877.5 are called: forest, skyscraper fire extinguisher bomb, it has introduced a kind of by two strikers, two fire extinguisher bombs that last lower gasket, spring, striker pin, dry powder, priming are formed, this bullet utilizes the gun carriage emission, when arriving the destination, triggering is ignited and is put out a fire.The fire extinguisher bomb of this patent disclosure does not have empennage yet, so problem that also exists flight stability to guarantee, must cause fire accuracy poor, and the projectile tail of this patent has a striker firing lock, cause complex structure, the dischargeable capacity that makes body carry extinguishing chemical reduces, after propellant powder is ignited in addition, blow volume and adjust piece, enclosing cover up and down, ejection gas, the uniformity of these a series of processes is difficult to control, and the uniformity of initial velocity can't guarantee that also above-mentioned in addition two kinds of fire extinguishing systems are after body is launched, afterbody all has back flame, is easy to cause new burning things which may cause a fire disaster.

The purpose of this utility model is in order to provide a kind of rational in infrastructure, to shoot straight, good extinguishing effect, the emission-type fire extinguisher bomb and the emitter thereof that are suitable for skyscraper or put out a fire at a distance.

The purpose of this utility model realizes by following measure, the emission-type fire extinguisher bomb, the nonmetal body that mainly comprises dress extinguishing chemical in, the front and back end that it is characterized in that body is equipped with preceding blast cap and stern respectively, empennage is connected with stern by foot piece, in foot piece, have blind hole from the afterbody of empennage, also have steam vent on the sidewall of blind hole, a pipe that contains propellant has been installed in the blind hole; Circumferentially have groove at the centering position of body and along body, sealing ring is housed in the groove, the sealing circle can be the diagonal cut joint formula, the bore of the flexible change sealing ring that it can be by the diagonal cut joint place, and the barycenter of fire extinguisher bomb is positioned at the first half of body.The special-purpose emitter of above-mentioned fire extinguisher bomb, comprise transmitting tube, support and connector, it is characterized in that the afterbody of transmitting tube connects the pipe tailstock of a band firing lock, the tail end of pipe tailstock is spherical, be connected with a fixing seat board ball pivot, the connector hoop is equipped with gun sight on connector and with the launcher-tube line parallel position on transmitting tube, support is connected with connector with direction adjustment organization by a height adjusting mechanism.The utility model has adopted tail on body rock-steady structure, adopted the emitter that seat board is arranged simultaneously, guaranteed the flight stability of fire extinguisher bomb, transmitter is stressed rationally when also making emission, improves hit rate, during emission, can be by regulating height mechanism and direction institutional adjustment transmitting tube firing angle and directive, and by the range finding of the gun sight on the emitter, bookbinding firing data, run-home exactly (burning things which may cause a fire disaster).Fire extinguisher bomb is put into transmitting tube from the front end of transmitting tube, start trigger mechanism, promptly by striker type firing mechanism percussion top fire, light the propellant in the fire extinguisher bomb afterbody propellant tube, after reaching the certain pressure value, plurality of rows pore on the empennage blind hole sidewall is rupture of membranes simultaneously, gases at high pressure enter transmitting tube from each steam vent, this moment, sealing ring opened at diagonal cut joint place, high pressure effect lower edge, make sealing ring and transmitting tube, form a confined space between the fire extinguisher bomb, gases at high pressure act in this space, begin to promote and the motion of acceleration fire extinguisher bomb, so that fire extinguisher bomb reaches certain initial velocity, the burning end point of propellant is controlled in the thorax, like this fire extinguisher bomb fly out the thorax mouth and do not have flame when flying aloft after spray.Because the barycenter of fire extinguisher bomb is arranged at the body first half, the extreme position of barycenter is the fire extinguisher bomb center, so fire extinguisher bomb is behind the transmitting tube that flies out, can under fin stabilization, fly, accurately arrive the destination, and bump against broken with wall or roof by body and preceding blast cap, extinguishing chemical is scattered at a high speed, large tracts of land covers the scene of a fire, put out burning things which may cause a fire disaster, loose and the fire extinguishing effect, can settle the center power source at the fire extinguisher bomb center for the throwing that improves extinguishing chemical, start, pop by sensing element or burning train, produce additional strength and blast.In addition, guaranteeing fire extinguishing resilience energy pinpointing ground simultaneously, also hurt sb.'s feelings for fear of body not serious destruction building and fragment in collision process, the utility model can also advance dosage by regulating, transmitting tube length of tube and fire extinguisher bomb weight, with control inner trajectory process, make the fire extinguisher bomb launch velocity remain on a certain value of 50m～200m/3 scope, when fire extinguisher bomb outer trajectory process during in the emission of little firing angle, fire extinguisher bomb is in the hit of parabola down leg, in during big firing angle emission, fire extinguisher bomb is in the hit of parabola upward leg, for emitter, owing to adopted a fixing mounting, thereby to the power transmission effect of kick, avoided the damage of emission support when having played emission effectively.

The utility model compared with prior art, its significant advantage is: (1) has adopted the fire extinguisher bomb structure of the preceding blast cap of band and the magnetic tape trailer wing, prevent the separated flow that incoming flow produces when walking around body, reduced the flight resistance of body, increased the in-flight stability of body simultaneously; (2) body and emitter are rational in infrastructure, kick when adopting fixing seat board to emission carries out effective power transmission, avoided the damage of launcher, had gun sight and direction and dipping control on the emitter simultaneously, the fire extinguisher bomb hit rate of emission is improved greatly; (3) adopt the reasonable cooperation of high pressure rupture of membranes technology and sealing ring, transmitting tube draw ratio, guaranteed the uniformity of fire extinguisher bomb initial velocity, make transmitter stressed evenly rationally, body flight is more stable, has further improved hit rate; When (4) fire extinguisher bomb is launched, striker type firing mechanism is placed on the emitter, has simplified the structure of fire extinguisher bomb, guaranteed the powder charge capacity of fire extinguisher bomb, increased the fire extinguishing effect, as the fire extinguisher bomb of bore 119mm, the extinguishing chemical of portability 4.5Kg, fire-fighting area is greater than 9m ²In fire extinguisher bomb described in the utility model, the proportion of nonmetallic materials accounts for more than 95% in addition, and the extinguishing chemical loading amount is big, and its quality can reach more than 70% of full bullet quality.

Concrete structure of the present utility model is provided by the following drawings and embodiment.

Fig. 1 is the overall structure schematic diagram of emission-type fire extinguisher bomb described in the utility model.

Fig. 2 is the special-purpose emitter structural representation of fire extinguisher bomb.

Be example with the fire extinguisher bomb of 119mm bore, the emitter of 120mm bore below, concrete structure of the present utility model is further specified.

See Fig. 1, fire extinguisher bomb mainly is by preceding blast cap 1, body 2, extinguishing chemical 3, stern 4, empennage 5 is formed, preceding blast cap 1 can select for use high yielding rubber to make, body 2 is made by the thin-walled plastic less than 15mm, its external diameter is 119mm, but the surface precrack of body 2, to increase crushing effect, before the front end of blast cap 1 and body 2 by being threaded, extinguishing chemical 3 can be dry powder, also can select liquid, 4.5 kilograms of powder extinguishing agents of this example filling, it is identical with the material of body 2 that the material of stern 4 can be selected, stern 4 and body 2 are for being threaded, its junction also is centering place of fire extinguisher bomb, 4 also have a wide 5mm on the quarter with the junction of body 2, the groove of dark 3mm, be placed with the rubber seal 8 of a diagonal cut joint in the groove, it can be when fire extinguisher bomb be launched swollen the rising of high-temperature high-pressure air flow effect lower edge diagonal cut joint, airtight tightly barrel inner high voltage gas, empennage 5 is threaded with stern by a foot piece, foot piece portion selects for use alloy lead to make, the empennage material is identical with body, afterbody at empennage 5 has a long 130mm in foot piece, the central blind hole of φ 12, have many steam vents 6 on the sidewall of blind hole, propellant tube 7 also is housed in the blind hole, propellant tube 7 can be made by nonmetallic materials, and this example is to adopt brown paper to be entwined, and interior dress can produce greater than 800 atmospheric fast-burning powders, in order further to strengthen the extinguishing chemical effect of shedding and put out a fire, in the extinguishing chemical in body 2, a center power source 9 is set also, center power source 9 and the fuze mechanism 11 that is positioned at the afterbody stern is joined by a lead 10, this power source is to collide back contact fuze 11 consumingly when arriving fire-extinguishing location by body, so that the power source effect.The special-purpose emitter of fire extinguisher bomb is mainly by transmitting tube 12, connector 13, pipe tailstock 14, seat board 16, support 20 is formed, transmitting tube 12 internal diameters are 120mm, draw ratio should be greater than 7, this routine draw ratio is 10, pipe tailstock 14 is threaded with the transmitting tube tail end, on pipe tailstock 14, striker type firing mechanism 15 is housed, connect with emitter by a cover linkage, the tail end of pipe tailstock 14 is spherical, be connected with seat board 16 ball pivots, seat board 16 is a common iron, and it is to be fixed on other object when fire extinguisher bomb is launched, connector 13 binds round on transmitting tube 12, on connector 13, a gun sight 17 is housed, this gun sight 17 has been considered the trajectory situation and has been played the correction of lower edge amount, the optical axis of gun sight 17 should be parallel with the axis of transmitting tube 12, height adjusting mechanism 18 and direction adjustment organization 19 are housed below connector 13 successively, and support 20 is double-legged support, is made up of two parts up and down, its connection is by pivot pin, can load and unload.Emitter described in the utility model both can use on ground, also can install onboard and use, and showed that according to the shooting experiment range of this emitter can reach 120mm, and shot density can reach 0.5 * 0.7m ², fire-fighting area is greater than 3 * 3m ³

Claims (5)

1, a kind of emission-type fire extinguisher bomb, mainly comprise the nonmetal body [2] of adorning extinguishing chemical [3] in one, the front and back end that it is characterized in that body [2] is equipped with preceding blast cap [1] and stern [4] respectively, empennage [5] is connected with stern [4] by foot piece, in foot piece, have blind hole from the afterbody of empennage [5], the sidewall of blind hole has steam vent [6], and a pipe [7] that contains propellant has been installed in the blind hole; Bourrelet edge at body [2] circumferentially has groove, and sealing ring [8] is housed in the groove, and the barycenter of full bullet is positioned at the first half of fire extinguisher bomb.

2, emission-type fire extinguisher bomb according to claim 1 is characterized in that also being provided with a center power source (9) in the extinguishing chemical (1) in the body (2), and is joined by a lead (10) and the fuze mechanism (11) that is positioned at stern (4).

3, a kind of emitter that is exclusively used in the described fire extinguisher bomb of claim 1, it comprises transmitting tube (12), support (20) and connector (13), it is characterized in that the afterbody of transmitting tube (12) connects the pipe tailstock (14) of a band firing lock (15), the tail end of pipe tailstock (14) is spherical, be connected with a fixing seat board (16) ball pivot, connector (13) binds round on transmitting tube (12), upward and with transmitting tube (12) axis parallel direction gun sight (17) is housed at connector (13), support (20) is connected with connector (13) with direction adjustment organization (19) by a height adjusting mechanism (18).

4, emitter according to claim 3 is characterized in that above-mentioned firing lock (15) is a striker type firing mechanism.

5, according to claim 3 or 4 described emitters, the draw ratio that it is characterized in that transmitting tube (12) is greater than 7.