CN110398185B

CN110398185B - Aviation training bullet with infrared target

Info

Publication number: CN110398185B
Application number: CN201910618715.6A
Authority: CN
Inventors: 黄姜卿; 李范鸣; 刘士建; 卫红; 郭鹏; 李伟福; 秦国平
Original assignee: Shanghai Institute of Technical Physics of CAS
Current assignee: Shanghai Institute of Technical Physics of CAS
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2023-07-04
Anticipated expiration: 2039-07-10
Also published as: CN110398185A

Abstract

The invention discloses an aviation training bomb with an infrared target, which comprises a rotor wing firing pin, a bomb body, a smoke light pipe, a tail wing, an infrared target source and a safety mechanism. The rotor wing firing pin is arranged at the forefront end of the aerotraining bomb and is connected with the bomb body through a pin shaft; the smoke light pipe is arranged in the elastomer; the tail fin is welded on the conical surface of the tail part of the projectile body; the infrared target source is fixed at the tail of the projectile body through a pin shaft; one end of the safety mechanism is inserted into the rotor wing firing pin, the other end of the safety mechanism is inserted into the infrared target source, and an installation interface fixedly connected with the carrier is reserved at one end of the safety mechanism; the outer surface of the aerotraining bomb is coated with an infrared coating. The beneficial effects of the invention are as follows: through adding the infrared target source, the practical training requirements of users in all days, especially under complex environmental conditions, can be met; the full steel design is adopted, the manufacturing precision is high, and the pneumatic profile with stable streamline low resistance is realized; the process is mature, the cost is low, and the method is suitable for mass production.

Description

Aviation training bullet with infrared target

Technical Field

The invention relates to an aviation training bomb, in particular to an aviation training bomb with an infrared target.

Background

Assaults to the ground (sea) are the core military capability of the aviation soldier, and assaults to the ground (sea) training is an important content of daily training of the aviation soldier and a main way for generating combat force. Under the situation background that actual combat training is widely carried out by the current full army, the on-ground (sea) assault training which takes the offshore direction, the complex environment, the limit conditions and night combat training as the important points is the primary task of the actual combat training of the aviation soldier.

The aeronautical training for the ground (sea) assault is mainly to throw aeronautical training bullets under different conditions and accurately acquire the playing information of each bullet, so as to evaluate the striking effect, judge the combat capability, propose improvement measures and strengthen combat construction. The current aviation training bullet that aviation soldier's army used, it is early to equip the army, and live time is long, has the design theory behind, trains the problem such as matter effect not high, can't satisfy actual combat training requirement, consequently need adopt brand-new technological system research and development novel aviation training bullet, solve above-mentioned problem pointedly.

Disclosure of Invention

In view of the above analysis, the present invention proposes an aeronautical training projectile with infrared targets. The technical scheme of the invention is as follows:

an aviation training bomb with infrared targets comprises a rotor wing firing pin, a bomb body, a smoke light pipe, a tail wing, an infrared target source and a safety mechanism. The method is characterized in that: the rotor wing firing pin is arranged at the forefront end of the aerotraining bomb and is connected with the bomb body through a pin shaft; the projectile body is a main body of the aeronautical training projectile, the head part is arc-shaped, and the tail part is cone-shaped; the smoke light pipe is arranged in the elastomer; the tail fin is welded on the conical surface of the tail part of the projectile body; the infrared target source is fixed at the tail of the projectile body through a pin shaft; one end of the safety mechanism is inserted into the rotor wing firing pin, the other end of the safety mechanism is inserted into the infrared source, and an installation interface fixedly connected with the carrier is reserved at one end of the safety mechanism; the outer surface of the aerotraining bomb is coated with an infrared coating.

Further, the rotor wing firing pin comprises a wind wheel, a firing pin seat, a firing pin cover, a bolt and a nut. The wind wheel is in threaded connection with the needle beating seat, and when the wind wheel rotates, the needle beating seat generates linear motion; the striking pin cover is connected with the rotor wing striking pin seat through threads and is in spot welding looseness prevention; the bolt penetrates through the center of the wind wheel, and the head of the bolt is fixedly connected with the wind wheel through spot welding; the nut is screwed on the tail of the bolt and is in spot welding loose prevention.

Further, the projectile body comprises a bullet, a projectile body, a tail cone, a bullet lug, a central tube and concrete. The warhead is arc-shaped and is welded at one end of the warhead body; the tail cone is conical and is welded at the other end of the bullet body; the elastic lugs are directly welded on the body of the bullet; the central tube penetrates through the inside of the bullet body, one end of the central tube is fixedly connected with the bullet in a welding way, and the other end of the central tube is fixedly connected with the tail cone in a welding way; the concrete is poured into a cavity formed by the bullet body and the central tube.

Further, the smoke light pipe is a tubular smoke generating device.

Further, the tail comprises fins and tail rings. The number of the fins is four, and the fins are symmetrically distributed around the central axis of the tail ring; the wing pieces and the tail wing ring are connected in a welding mode.

Further, the infrared target source is a chemically reactive infrared source and comprises a cutting component, a chemically reactive component and an infrared radiation component.

Further, the safety mechanism comprises a first safety steel bar, a second safety steel bar, a third safety steel bar and a safety steel ring. One side of the first safety steel bar is inserted into the rotor wing firing pin, and the other side of the first safety steel bar is connected with the safety steel ring; one side of the second safety steel bar is inserted into the infrared source, and the other side of the second safety steel bar is connected with the safety steel ring; one side of the third safety steel bar is connected with the safety steel ring, and one side is provided with an installation interface fixedly connected with the carrier.

Further, the aviation training bomb with the infrared target comprises the following working method: after the carrier throws the bullet, the avionics training bullet breaks away from the carrier and falls freely, and the first safety steel bar and the second safety steel bar of the safety mechanism are respectively pulled away from the rotor wing firing pin and the infrared target source. On one hand, as the safety steel bar is pulled away, the infrared target source internal cutting assembly cuts the capsule body of the chemical reaction assembly, the chemical reaction is triggered, and a large amount of heat is rapidly released outwards for the ground system to capture and track; on the one hand, the wind wheel starts to rotate, the firing pin cover (together with the firing pin seat) moves backwards along the axial direction until the firing pin cover butts against the smoke light pipe in the bullet body, after the aeronautical training bullet lands, the firing pin breaks through the smoke light pipe by the landing impact, gray smoke is generated, and the ground system is assisted in judging the landing point of the aeronautical training bullet.

Compared with the prior art, the invention has the beneficial effects that:

(1) The aviation training bullet with the infrared target can meet the actual combat training requirements of users by additionally installing the infrared target source, in particular to offshore direction, complex environment, night combat night training and the like; (2) The aeronautical training bullet adopts an all-steel design, has high manufacturing precision, stable streamline low-resistance aerodynamic appearance and stable trajectory during flight; (3) The aeroelastic process is mature, low in cost and suitable for mass production.

Drawings

FIG. 1 is a schematic diagram of an aerotraining bullet structure with an infrared target; numbering in the figures: the novel aircraft is characterized in that the aircraft is provided with a rotor wing firing pin 1, an elastomer 2, a smoke light pipe 3, a tail wing 4, an infrared target source 5 and a safety mechanism 6.

FIG. 2 is an isometric view of an aerotraining bullet with an infrared target.

Detailed Description

The following detailed description of the invention is made with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention.

Referring to fig. 1 and 2, the aviation training bomb with the infrared target provided by the invention comprises a rotor wing firing pin 1, a bomb body 2, a smoke light tube 3, a tail wing 4, an infrared source 5, a safety mechanism 6 and the like. The rotor wing firing pin 1 is arranged at the forefront end of the aerotraining bomb and is connected with the bomb body through a pin shaft; the projectile body 2 is the main body of the aeronautical training projectile; the smoke light tube 3 is arranged inside the projectile body; the tail wing 4 is welded on the conical surface of the tail part of the projectile body; the infrared target source 5 is fixed at the tail of the projectile body; one end of the safety mechanism 6 is inserted into the rotor wing firing pin, the other end is inserted into the infrared source, and an installation interface fixedly connected with the carrier is reserved at one end.

The rotor wing firing pin 1 comprises a wind wheel, a firing pin seat, a firing pin cover, a bolt and a nut. The wind wheel is in threaded connection with the needle beating seat, and when the wind wheel rotates against the wind, the needle beating seat generates linear motion; the firing pin cover is connected with the firing pin seat through threads and is in spot welding locking; the bolt penetrates through the center of the wind wheel, and the head of the bolt is fixedly connected with the wind wheel through spot welding; the nut is screwed on the tail of the bolt and is in spot welding loose prevention. The combined use of the bolt and the nut plays a role in centering and limiting.

The projectile body 2 comprises a projectile head, a projectile body, a tail cone, a projectile ear, a central tube and concrete. The warhead is an assembly and comprises a warhead ring part and a warhead column part, wherein the warhead ring part is formed by stretching a plate and then punching the center, and the warhead column part is formed by turning a bar; the warhead is arc-shaped and is welded at one end of the warhead body. The bullet body is formed by curling a plate and then welding seams, and the formed bullet body is further rounded by rollers to ensure the roundness of the bullet body. The tail cone is cone-shaped and is formed by secondarily stretching a plate and then punching the center, and is welded at the other end of the bullet body. The bullet ear is drawn by the round steel and then the bending forms, and the direct welding is at the hull, and the location is accurate and can effectively guarantee the pneumatic appearance of air training bullet. The central tube is a standard tube, penetrates through the inside of the bullet body, and is fixedly connected with the bullet head in a welding way, and is fixedly connected with the tail cone in a welding way; the concrete is poured into a cavity formed by the shell body and the central tube, and the weight of the concrete needs to be accurately calculated.

The smoke light pipe 3 is a tubular smoke generating device. When the rotor wing firing pin breaks down, a great amount of grey smoke is released.

The tail 4 comprises fins and tail rings. The wing piece is a stamping part, the outer side is turned, and the hem is pressed at the center of the wing piece to increase the rigidity of the wing piece; the number of the fins is four, and the fins are symmetrically distributed around the central axis of the tail ring. The tail ring is formed by rolling steel plates, and the joint is welded. The wing pieces and the tail wing ring are connected in a welding way.

The infrared target source 5 comprises a cutting member, a chemical reaction member, and an infrared radiation member. The cutting assembly is connected with a second safety steel bar of the safety mechanism. The chemical reaction device comprises a nano material A and a nano material B which are respectively arranged in the respective capsules. The infrared radiating member is for radiating heat.

The safety mechanism 6 comprises a first safety steel bar, a second safety steel bar, a third safety steel bar and a safety steel ring. One side of the first safety steel bar is inserted into the rotor wing firing pin, and the other side of the first safety steel bar is connected with the safety steel ring; one side of the second safety steel bar is inserted into the infrared source and connected with the cutting part, and the other side of the second safety steel bar is connected with the safety steel ring; one side of the third safety steel bar is fixedly connected with the carrier, and the other side is connected with the safety steel ring. After the aerotraining bomb is separated from the carrier, the safety mechanism is still mounted on the carrier.

The total weight of the aerotraining projectile with infrared targets is 50kg, the total length (without rotor pins) is 968mm, and the aerotraining projectile has a streamline aerodynamic shape which is strictly matched with the weight and the size. The whole body of the aerotraining bomb is coated with the high-emissivity infrared coating so as to improve the emissivity of the whole bomb.

The invention provides an aviation training bomb with an infrared target, which comprises the following working methods: after the carrier throws the bullet, the avionics training bullet breaks away from the carrier and falls freely, and the first safety steel bar and the second safety steel bar of the safety mechanism are simultaneously pulled away from the rotor striking pin and the infrared source. On one hand, the second safety steel bar drives the cutting assembly to cut the capsule body of the chemical reaction part in the infrared target source, the nano material A and the nano material B are mixed to perform chemical reaction, and a large amount of heat is released outwards rapidly to be captured and tracked by a ground system; on the one hand, the wind wheel starts to rotate, the firing pin moves backwards along the axial direction until the firing pin butts against a smoke light pipe in the bomb body, after the aeronautical training bomb lands, the firing pin breaks through the smoke light pipe by the landing impact, grey smoke is generated, and the ground system is assisted in judging the landing point of the aeronautical training bomb.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. The utility model provides an aviation training bullet of infrared target in area, includes rotor firing pin (1), projectile body (2), cigarette light pipe (3), fin (4), infrared target source (5) and safety mechanism (6), its characterized in that:

the rotor wing firing pin (1) is arranged at the forefront end of the aviation training bomb and is connected with the bomb body (2) through a pin shaft; the smoke light pipe (3) is arranged in the elastomer; the tail wing (4) is welded on the conical surface of the tail part of the projectile body; the infrared target source (5) is fixed at the tail of the projectile body through a pin shaft, the infrared target source (5) is a chemical reaction type infrared source and comprises a cutting assembly, a chemical reaction part and an infrared radiation part, the cutting assembly is connected with a second safety steel bar of the safety mechanism, after the projectile is thrown by the carrier, the aviation training projectile falls freely off the carrier, the first safety steel bar and the second safety steel bar of the safety mechanism are respectively pulled away from the rotor wing firing pin and the infrared target source, and as the safety steel bars are pulled away, the cutting assembly in the infrared target source cuts the capsule of the chemical reaction part, the chemical reaction is triggered, and a large amount of heat is rapidly released outwards for capturing and tracking by a ground system;

the safety mechanism (6) comprises a first safety steel bar, a second safety steel bar, a third safety steel bar and a safety steel ring; one side of the first safety steel bar is inserted into the rotor wing firing pin, and the other side of the first safety steel bar is connected with the safety steel ring; one side of the second safety steel bar is inserted into the infrared source, and the other side of the second safety steel bar is connected with the safety steel ring; one side of the third safety steel bar is connected with the safety steel ring, and an installation interface fixedly connected with the carrier is reserved on one side of the third safety steel bar; the outer surface of the aviation training bullet is coated with an infrared coating.

2. An aerotraining projectile with infrared targets as defined in claim 1, wherein: the rotor wing firing pin (1) comprises a wind wheel, a firing pin seat, a firing pin cover, a bolt and a nut; the wind wheel is in threaded connection with the needle beating seat, and when the wind wheel rotates, the needle beating seat generates linear motion; the needle cover is connected with the needle stand through threads and is in spot welding and locking; the bolt penetrates through the center of the wind wheel, and the head of the bolt is fixedly connected with the wind wheel through spot welding; the nut is screwed on the tail of the bolt and is in spot welding loose prevention.

3. An aerotraining projectile with infrared targets as defined in claim 1, wherein: the projectile body (2) comprises a projectile head, a projectile body, a tail cone, a projectile ear, a central tube and concrete; the warhead is arc-shaped and is welded at one end of the warhead body; the tail cone is conical and is welded at the other end of the bullet body; the elastic lugs are directly welded on the body of the bullet; the central tube penetrates through the inside of the bullet body, one end of the central tube is fixedly connected with the bullet in a welding way, and the other end of the central tube is fixedly connected with the tail cone in a welding way; the concrete is poured into a cavity formed by the bullet body and the central tube.

4. An aerotraining projectile with infrared targets as defined in claim 1, wherein: the smoke light pipe (3) is a tubular smoke generating device.

5. An aerotraining projectile with infrared targets as defined in claim 1, wherein: the tail wing (4) comprises four fins and tail wing rings, and the fins are symmetrically distributed around the central axis of the tail wing rings; the wing pieces and the tail wing ring are connected in a welding mode.