RU130383U1 - Artillery shot for practical shooting - Google Patents

Artillery shot for practical shooting Download PDF

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Publication number
RU130383U1
RU130383U1 RU2013105241/11U RU2013105241U RU130383U1 RU 130383 U1 RU130383 U1 RU 130383U1 RU 2013105241/11 U RU2013105241/11 U RU 2013105241/11U RU 2013105241 U RU2013105241 U RU 2013105241U RU 130383 U1 RU130383 U1 RU 130383U1
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RU
Russia
Prior art keywords
tracer
projectile
pyrotechnic
practical
shell
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RU2013105241/11U
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Russian (ru)
Inventor
Борис Михайлович Бутаев
Руслан Умарович Есиев
Нина Сергеевна Родионова
Сергей Юрьевич Степанов
Владимир Людвигович Эггерт
Original Assignee
Открытое акционерное общество "Научно-производственное объединение "Прибор"
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Priority to RU2013105241/11U priority Critical patent/RU130383U1/en
Application granted granted Critical
Publication of RU130383U1 publication Critical patent/RU130383U1/en

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Abstract

An artillery shot for practical shooting, containing a cartridge case with a propellant powder charge, in the barrel of which a monolithic shell is mounted, equipped with a guiding belt and an aerodynamic fairing, in the open bottom chamber of which a pyrotechnic tracer is pressed in, characterized in that the head part of the monolithic medium-carbon steel shell is made flat, and the camera under the tracer - in the range from half the caliber of the projectile to the critical section of the end combustion of the pyrotechnic charge of the tracer equipped with lamellar layer.

Description

The proposed utility model relates to ammunition, and more specifically, to unitary loading artillery cartridges containing a shell and a shell that are rigidly interconnected without means of initiating it, which are intended for conducting training firing while training personnel.
The level of this technical field is characterized by various designs of practical artillery rounds, which in terms of mass and size parameters fully correspond to their military counterparts, differing only in the absence of combat content (see, for example, patents RU 228506, 2326334, 2138066 and 65643).
A feature of these artillery training ammunition is the presence of a tracer device to indicate the trajectory of the projectile to the target and adjust the fire.
However, it is not technically feasible to use the above designs for the manufacture of a practical shot, similar to an armor-piercing cartridge with a monolithic shell.
The closest analogue in terms of the number of coinciding features is an artillery small-caliber cartridge, similar to that described in patent RU 2247304 C1, F42В 5/02, 12/06, containing a cartridge case carrying an propellant powder charge, and an armor-piercing monolithic shell, in particular of heavy alloy having an anti-ricoconical conical head part closed with a ballistic tip, a copper lead belt and a tracer installed in its bottom chamber.
The specified ammunition is characterized by high functional reliability and operational safety, which determines the widespread use in both land and aircraft carriers of guns.
The technical problem to which the present utility model is directed is the development of a practical cartridge adequate to the known one for use in training personnel in techniques and firing accuracy.
The required technical result is achieved by the fact that in the well-known artillery shot for practical shooting, which contains a cartridge case with a propellant powder charge, in the barrel of which there is a monolithic shell equipped with a leading belt and an aerodynamic fairing, in the open bottom chamber of which a pyrotechnic tracer is pressed, at the suggestion of the authors, the head part of the monolithic medium-carbon steel shell is made flat, and the chamber under the tracer is in the range from half the caliber of the shell to the critical section t butt burning of a pyrotechnic charge of a tracer equipped with an igniter interlayer.
Distinctive features of the proposed technical solution formed a training munition for practical firing on the basis of a standard product with identical ballistics, with a noticeable simplification of the design and cost reduction.
The flat head part of the monolithic projectile, covered with a fairing, instead of the profiled anti-ricocheting form of the armor-piercing projectile, simplified the design and manufacturing technology, cheapened the production, and allowed the chamber walls to be thicker for the tracer to be able to press-fit the pyrotechnic tracer without cracking in the metal and to “swell” the diameter a shell made of ordinary medium-carbon steel (grade 50), which significantly reduces the cost of the shell, compared with a standard alloy steel product whether 35HGSA.
At the same time, the mass and dimensional parameters of the practical projectile and cartridge are preserved due to the longitudinal redistribution of metal from the head to the bottom, strengthening the walls of the tracer chamber.
The heat-sensitive layer at the end of the tracer, facing the propellant powder charge of the liner, ensures that the ignition and combustion of its functional pyrotechnic charge is initiated by the thermal energy of the powder combustion products at an increased shot pressure.
The optimal ratio of the dimensions of the tracer ensures its stable burning at a projectile flight distance of at least 2000 m, which is guaranteed to be greater than the aiming range, where the projectile flight path to the target is indicated, which is necessary for adjusting fire and acquiring practical skills for shooters.
The diameter of the chamber under the tracer is less than the critical section of the end combustion of its pyrotechnic charge does not guarantee combustion stability, up to attenuation.
Running the camera under the tracer with a diameter of more than half the caliber of the projectile will not allow the use of conventional structural steel for a monolithic projectile due to insufficient strength in the operation of pressing in the tracer.
Consequently, each essential feature is necessary, and their combination in a stable relationship is sufficient to achieve a novelty of quality that is not inherent in the characteristics of disunity, that is, the technical task posed is not solved by the sum of the effects, but by a new super-effect of the sum of the attributes.
A comparative analysis of the proposed technical solution with identified analogues of the prior art, from which the invention does not explicitly follow for a specialist in small-caliber artillery ammunition, showed that it is unknown, and given the possibility of practical serial production of artillery cartridges for an automatic grenade launcher in existing production, it is possible to do Conclusion of eligibility for patentability.
The essence of the proposed technical solution is illustrated by the drawing, which has a purely illustrative purpose and does not limit the scope of claims of the totality of the essential features of the formula. The drawing shows the proposed practical shot.
The head of the monolithic shell 1 of steel 50 is made flat and equipped with damping flutes 2, one of which is rolled cone shaped aerodynamic fairing 3.
In the bottom chamber 4 of the projectile 1, open from the end, the pyrotechnic charge of the tracer 5 is pressed in, provided with an igniter layer 6 from the outside.
A copper lead belt 7 is mounted on the projectile 1 for cutting into the combat faces of the spiral rifling of the gun barrel, so that when fired, it acquires angular rotation around the longitudinal axis, providing gyroscopic longitudinal stabilization on the flight path.
In the radial grooves 8 of the shank of the projectile 1, a sleeve of a sleeve 9 is rolled up, filled with a propellant powder charge 10 interacting with an igniter capsule 11 installed in the bottom tide of the extractor flange of the sleeve 9.
The described practical shot is adequately balanced in terms of mass, dimensions and relative position of the centers of mass and pressure, therefore, it can be used for training firing while teaching personnel the skills of shooting to kill with the least material cost, since its cost is 80% of the regular ammunition.
When fired by a pulse from an igniter capsule, the combustion of propellant 10 propellant in the sleeve 9 and the pressure increase of the generated gaseous combustion products are initiated.
In this case, the open heat-sensitive layer 6, which ignites the pyrotechnic charge of the tracer 5, ignites with the thermal energy of the hot combustion products of the powder charge 10 in direct contact.
The increase in gas pressure in the sleeve 9 provides the decatronization of the projectile 1, which is accelerated in the channel of the barrel of the gun, receiving rotation from the interaction with its spiral grooves when cutting the copper lead belt 7.
When the projectile 1 is flying toward the target, the trajectory is visually indicated by a clearly distinguishable force of the combustion products of the tracer 5 charge for at least 3.5 s, which corresponds to a maximum distance of 2000 m from the target.
Thus, the shooter on the tracer trace and the place of hitting the target adjusts the aiming and accuracy of the shooting, acquiring functional skills.
The proposed simple and reliable design of a practical shot was tested by comparative firing at a firing range with standard ammunition, which showed good convergence of results, as a result of which it is possible to recommend a practical shot as a training shot.

Claims (1)

  1. An artillery shot for practical shooting, containing a cartridge case with a propellant powder charge, in the barrel of which a monolithic shell is mounted, equipped with a leading belt and an aerodynamic fairing, in the open bottom chamber of which a pyrotechnic tracer is pressed in, characterized in that the head part of the monolithic shell made of medium carbon steel is made flat, and the camera under the tracer - in the range from half the caliber of the projectile to the critical section of the end combustion of the pyrotechnic charge of the tracer equipped with lamellar layer.
    Figure 00000001
RU2013105241/11U 2013-02-08 2013-02-08 Artillery shot for practical shooting RU130383U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2013105241/11U RU130383U1 (en) 2013-02-08 2013-02-08 Artillery shot for practical shooting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2013105241/11U RU130383U1 (en) 2013-02-08 2013-02-08 Artillery shot for practical shooting

Publications (1)

Publication Number Publication Date
RU130383U1 true RU130383U1 (en) 2013-07-20

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Family Applications (1)

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RU2013105241/11U RU130383U1 (en) 2013-02-08 2013-02-08 Artillery shot for practical shooting

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RU (1) RU130383U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2576719C1 (en) * 2015-03-10 2016-03-10 Открытое акционерное общество "Центральный научно-исследовательский институт точного машиностроения" (ОАО "ЦНИИТОЧМАШ") Artillery shells with unitary loading

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2576719C1 (en) * 2015-03-10 2016-03-10 Открытое акционерное общество "Центральный научно-исследовательский институт точного машиностроения" (ОАО "ЦНИИТОЧМАШ") Artillery shells with unitary loading

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