CN218994183U

CN218994183U - Bird repellent bomb for airport

Info

Publication number: CN218994183U
Application number: CN202223184678.9U
Authority: CN
Inventors: 黄玉国; 钟水军; 邹海峰; 秦超; 张波勇
Original assignee: Liling Shenma Fireworks Co ltd
Current assignee: Liling Shenma Fireworks Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-09
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a bird-repellent bullet for an airport, which comprises an inner spherical shell and an outer spherical shell, wherein the inner spherical shell and the outer spherical shell are formed by closing two semicircular spherical shells, the closing direction of the outer spherical shell is vertically staggered with the closing direction of the inner spherical shell, the overall thickness and the binding force of the bullet are increased, the binding force is more uniform, and the tightness of the bullet is more stable. The utility model changes the ball applying mode of multilayer wrapping with the kraft paper strips, reduces the moisture of the kraft paper penetrating into explosive and shortens the drying time of the elastomer under the high temperature condition. Meanwhile, after the shell is thickened, the pressure of combustion gas of the explosive is greatly increased, so that the explosive quantity is reduced by more than 20%. The utility model can save a large amount of production cost, improve the production efficiency and greatly reduce the safety risk.

Description

Bird repellent bomb for airport

Technical Field

The utility model relates to the field of bird-repellent bullets, in particular to a bird-repellent bullet for an airport.

Background

The bird-expelling bullet is one means to expel bird, and is mainly used to protect the landing safety of airplane or aircraft and prevent bird from being sucked into airplane or colliding with airplane to affect airplane landing or taking off. The most used bird repellent bullet at present mainly frightens birds through explosion sound to achieve the purpose of repelling.

The existing bird-repellent bullets mostly adopt a single spherical shell, and the coated balls are wrapped by kraft paper after being charged, so that the requirements of sound decibels are generally ensured, and the kraft paper is wrapped in multiple layers; in the ball coating process by using the kraft paper, after the number of the coated layers of the kraft paper is too large, the glue of the kraft paper permeates into the ball shell and is easy to be inhaled into the explosive, and as the explosive mainly comprises the potassium perchlorate strong oxidant and the combustible aluminum magnesium alloy powder with strong metal activity, the water permeates into the explosive and generates displacement reaction with the aluminum magnesium alloy powder of the explosive, hydrogen with very low ignition point is displaced, and a large amount of heat is released, so that once a large amount of water permeates into the ball shell on the surface of the explosive, the probability of spontaneous combustion explosion safety accidents is very high.

The number of layers of the kraft paper is too large, the drying process time is required to be prolonged, the temperature is required to be higher, the drying time in a high-temperature drying room at 50-58 ℃ is generally 12-14 hours, and the explosive belongs to a very sensitive pyrotechnic composition, the temperature of the drying room is difficult to control, and the drying time is too long, so that the problem of safety accidents is easy to cause.

Disclosure of Invention

The utility model aims to provide a bird repellent bomb for an airport, which is used for solving the problems that in the prior art, a plurality of layers of kraft paper are used for wrapping spheres filled with explosive, the moisture of the kraft paper is easy to inhale the explosive to cause explosion, the number of kraft paper wrapping layers is too large, the temperature required to be dried is higher, and safety accidents are caused by too long drying time.

The utility model provides an airport is with driving bird bullet, includes the propellant powder box, propellant powder box upper portion is provided with the elastomer, the inside packing of propellant powder box has black powder to with the box bottom with black powder seal in the propellant powder box, the ignition lead is interlude to the propellant powder box side, ignition lead one side alternates in black powder, the shell case includes outer spherical shell and interior spherical shell and the cowhide glued paper of outer spherical shell surface parcel, interior spherical shell is inside to be filled with explosive, explosive is connected to outer spherical shell and interior spherical shell is passed to delay lead one end, and the other end sets up in the propellant powder box with explosive connection, the fire prevention sealant is around the delay lead, seals the gap of inserting the guide hole between delay lead and the outer spherical shell.

Further, the outer spherical shell and the inner spherical shell are formed by closing two semicircular spherical shells, the outer spherical shell is used for hooping the inner spherical shell, then the surface of the outer spherical shell is coated with two layers of cowhide gummed paper, and the closing directions of the outer spherical shell and the inner spherical shell are staggered.

Furthermore, the delay lead passes through the drilling holes of the outer spherical shell and penetrates through the closed gaps of the two semicircular inner spherical shells of the inner ball to enter the explosive, so that the friction force between the drilling drill and the explosive is reduced.

Further, after passing through the outer spherical shell and the inner spherical shell, the gap of the insertion hole between the delay lead and the spherical shell is provided with a fireproof sealant for sealing, so that the situation that the black powder is directly strung into explosive without being conducted by the delay lead is prevented.

The inner ball shell and the outer ball shell of the bird-repellent shell are staggered in closing direction and meshed with each other, so that the thickness of the shell and the binding force of the shell are increased, the binding force of the shell is more uniform, the tightness of the shell is more stable, the instant pressure of explosive in the sealed shell is greatly improved, and the explosion noise of the bird-repellent shell is also increased.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model adopts the mode of binding the outer spherical shell with the inner spherical shell, improves the traditional repeated multilayer coating mode by using the cowhide glue paper, reduces the coating layer number of the cowhide glue paper, and reduces the glue water of the cowhide glue paper penetrating into explosive.

2. The utility model reduces the ball coating layer number of the kraft liner paper, greatly shortens the drying time of the explosive-filled elastomer in a high-temperature drying room at 50-58 ℃ and avoids the problems of overlong drying time and easy safety accidents caused by overhigh temperature.

3. The position for installing the fire transmission lead wire is the center position of the semicircular spherical shell of the outer spherical shell and the closing position of the two semicircular spherical shells of the inner spherical shell, so that the acting force required by drilling with a drill is relatively much smaller, that is, the friction force generated by the drill bit for drilling and explosive is much smaller, and the probability of safety accidents of friction firing is much smaller.

4. The utility model adopts the mode of sleeving the outer ball shell on the inner ball shell, thus the thickness of the shell body is thickened, the pressure of the instantaneously explosive gas in the closed space of the shell body is greatly improved, the explosive quantity can be reduced by 20 percent, the cost is saved, the explosive quantity in the production process is greatly reduced, and the accident risk is reduced.

Therefore, the bird-repellent bomb produced by the utility model is safer, more convenient, more stable in quality and lower in cost.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is a schematic view of the overall cross-sectional structure of a bird repellent bomb for use in an airport;

FIG. 2 is a schematic view of an elastomer mounting structure provided by an embodiment of the present utility model.

In the figure: 1-kraft liner; 2-an outer spherical shell; 3-an inner spherical shell; 4-explosive; 5-delay leads; 6-fireproof sealant; 7-a propellant cartridge; 8-black powder; 9-ignition lead; 10-a bottom cover of the medicine box.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

Referring to fig. 1-2, in the embodiment of the utility model, a bird repellent bomb for an airport comprises a cylindrical paper propellant box 7 for containing black powder 8, the black powder 8 for flying is launched by a bomb body of the bird repellent bomb, the black powder 8 is sealed in the propellant box 7 by a bottom cover 10 of the bomb body, explosive 4 is arranged in the bomb body, the bomb body consists of an outer spherical shell 2 and an inner spherical shell 3, the outer spherical shell 2 and the inner spherical shell 3 are formed by closing two semicircular spherical shells, the outer spherical shell 2 is tightly hooped with the inner spherical shell 3, then the surface of the outer spherical shell 3 is tightly coated with kraft paper 1, and the closing directions of the outer spherical shell 2 and the inner spherical shell 3 are mutually staggered.

The inner spherical shell 3 is filled with explosive 4 for generating explosion noise, the outer spherical shell 2 and the inner spherical shell 3 are composed of two paper semicircular spherical shells, the pair of paper semicircular spherical shells of the outer spherical shell 2 are staggered or vertically staggered with the closing direction of the pair of paper semicircular spherical shells of the inner spherical shell 3, the outer spherical shell 2 is sleeved on the outer wall of the inner spherical shell 3, the internal spherical shell 3 is tightly bound, the external binding force of the explosive 4 during explosion is enhanced, the explosion noise of a bird-repellent bomb is improved, the multilayer coating of the traditional kraft liner paper 1 is improved, the number of coating layers of the kraft liner paper 1 is reduced, the traditional process of repeatedly coating the kraft liner paper 1 on the spherical shell surface of the explosive ball is improved, the water penetrating into the explosive 4 is reduced, and the number of safety accidents of spontaneous combustion explosion of the explosive 4 is greatly reduced due to the reduction of the water entering the explosive 4, and the number of coating layers of the kraft liner paper 1 is greatly shortened, so that the drying risk of the drying of the elastomer is greatly reduced.

One end of an ignition lead 9 is inserted into a black powder 8 in a propellant box 7 for igniting, one end of a delay lead 5 penetrates through an outer spherical shell 2 and an inner spherical shell 3 to be connected with a blasting explosive 4, the other end of the delay lead 5 is arranged in the propellant box 7 and is connected with the blasting explosive 4, after the ignition lead 9 on the outer side of the propellant box 7 is ignited, the black powder 8 starts to burn, a projectile body is pushed to lift off, the delay lead 5 is ignited at the same time, when the projectile body lifts off to a certain height, the delay lead 5 ignites the blasting explosive 4 in the projectile body at the moment, and then the integral explosion of the projectile body is realized, huge sound and visible light are emitted, the fireproof sealant 6 surrounds the delay lead 5, and a gap of an insertion hole between the delay lead 5 and the outer spherical shell 2 is sealed.

Further, referring to fig. 1 and 2, the outer shell 2 is divided into two semicircular shells, and in order to facilitate manufacturing and installation of the elastomer, the two semicircular shells of the outer shell 2 are sleeved on the outer surface of the inner shell 3 through a sealant, and the elastomer is coated with the ball and fastened by the kraft paper 1.

Further, referring to fig. 1 and 2, the semicircular spherical shell of the outer spherical shell 2 is vertically staggered with the closing direction of the semicircular inner spherical shell of the inner spherical shell 3, and is sleeved on the outer surface of the inner spherical shell 3, so that the binding and fastening effects on the inner spherical shell 3 are achieved, the closing directions of the inner spherical shell 3 and the outer spherical shell 2 are mutually staggered and mutually meshed, the thickness of the projectile body and the binding force of the projectile body outer spherical shell are increased, the binding force of the outer spherical shell 2 on the projectile body is more uniform, the sealing performance of the spherical shell is more stable, therefore, the instant pressure of the explosive 4 in the airtight projectile body inner spherical shell 3 is greatly improved, and the explosion noise of the bird-repellent projectile is greatly increased.

The design of the two-layer spherical shell further reduces the number of coating layers of the kraft liner paper 1, reduces the time of the internal explosive 4 in the drying process, avoids safety accidents caused by overlong drying time of the kraft liner paper 1, greatly shortens the drying time, reduces the moisture brought by pasting the kraft liner paper 1, effectively reduces the safety risk in the production process, reduces the production process of the elastomer, simplifies the production process of the elastomer and reduces the production cost.

The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as various modifications, additions and substitutions are possible, for those skilled in the art, without departing from the scope of the utility model as disclosed in the accompanying claims.

Claims

1. The utility model provides an airport is with driving bird bullet, includes propellant powder box (7), its characterized in that, propellant powder box (7) upper portion is provided with the body, inside packing of propellant powder box (7) has black powder (8) to with box bottom (10) seal black powder (8) in propellant powder box (7), the ignition lead (9) are alternateed to propellant powder box (7) side, ignition lead (9) one side alternates in black powder (8), and the shell case includes shell (2) and interior spherical shell (3) and cowhide offset paper (1) of shell (2) surface parcel, interior spherical shell (3) intussuseption is filled with explosive (4), and explosive (4) are connected with interior spherical shell (3) to delay lead (5) one end pass outer spherical shell (2), and the other end sets up in propellant powder box (7) and is connected with explosive (4), and fire prevention sealing gum (6) are sealed around the gap of delaying lead (5) and outer spherical shell (2) surface parcel.

2. The bird repellent bullet for the airport according to claim 1, wherein the outer spherical shell (2) and the inner spherical shell (3) are formed by closing two semicircular spherical shells, the outer spherical shell (2) is used for tightly hooping the inner spherical shell (3) and then is tightly covered with cowhide gummed paper (1) on the surface of the outer spherical shell (2), and the closing directions of the outer spherical shell (2) and the inner spherical shell (3) are mutually staggered.

3. An airport bird repellent bomb according to claim 2, wherein one end of the delay lead (5) is drilled from the outer spherical shell (2) into the gap between the closed openings of the two semicircular inner spherical shells (3) of the inner sphere to enter the explosive (4), and the other end is arranged in the black powder (8) in the propellant box (7).

4. An airport bird repellent bullet according to claim 1, wherein the insertion hole gap between the delay lead (5) and the outer spherical shell (2) is sealed to prevent fire cross.