CN117109364A - Unshelling empty bomb for grenade launcher and preparation method thereof - Google Patents
Unshelling empty bomb for grenade launcher and preparation method thereof Download PDFInfo
- Publication number
- CN117109364A CN117109364A CN202311098930.0A CN202311098930A CN117109364A CN 117109364 A CN117109364 A CN 117109364A CN 202311098930 A CN202311098930 A CN 202311098930A CN 117109364 A CN117109364 A CN 117109364A
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- Prior art keywords
- projectile
- elastomer
- unshelling
- empty
- grenade launcher
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- 229920001971 elastomer Polymers 0.000 claims abstract description 66
- 239000000806 elastomer Substances 0.000 claims abstract description 58
- 239000000945 filler Substances 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 239000003380 propellant Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 238000005336 cracking Methods 0.000 claims 1
- 238000012549 training Methods 0.000 abstract description 17
- 230000009194 climbing Effects 0.000 abstract description 4
- 238000010304 firing Methods 0.000 description 10
- 230000001953 sensory effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000037237 body shape Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
- F41C27/00—Accessories; Details or attachments not otherwise provided for
- F41C27/06—Adaptations of smallarms for firing grenades, e.g. rifle grenades, or for firing riot-control ammunition; Barrel attachments therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
Abstract
The invention belongs to the technical field of ammunition, and discloses a unshelling empty bomb for a grenade launcher and a preparation method thereof, wherein the empty bomb consists of a launched charge and a projectile; the projectile comprises an upper projectile body, a projectile belt, a lower projectile body, a blocking cap and a counterweight filler; the front end of the upper elastic body is in a frustum shape, and the outer wall of the tail part of the upper elastic body is embedded with a elastic belt; the outer wall of the upper elastomer is cut with a plurality of breaking grooves penetrating the upper elastomer along the length direction, and the breaking grooves are cut into the elastic belt from the inner wall of the upper elastomer but do not cut off the elastic belt; the plugging cap is arranged at the front end of the inner cavity of the upper elastomer and is used for plugging the end part of the upper elastomer; the counterweight filler is filled in the upper elastomer and is plugged by the screw connection of the lower elastomer and the tail part of the upper elastomer. The empty projectile designed by the invention enables the projectile to be broken and disintegrated under the action of centrifugal force, wind resistance and climbing force of the blocking cap at a certain distance after the projectile exits the chamber, and the range is reduced through air resistance after disintegration, so that the empty projectile is suitable for training of a small-sized shooting range, can be used for grasping the shooting action key of a launcher by soldiers, and can also be used for practical soldiers to practice.
Description
Technical Field
The invention relates to the technical field of ammunition, in particular to a unshelling empty bomb for a grenade launcher and a preparation method thereof.
Background
At present, the army is a practical combat training system for propelling the practical combat training, and the practical combat training system developed by the development part of the army equipment is widely popularized and applied in the practice. The system comprehensively utilizes the technical means such as laser simulation, data acquisition, wireless communication, computer simulation and the like by adopting the modes of replacing the bullets with light and replacing the bullets with a plurality of bullets, and simulates the combat performance of weapon equipment as much as possible, thereby realizing the actual combat training evaluation function.
The automatic grenade launcher is used as continuous important fire, the range of the automatic grenade launcher is more than 1500 meters, the automatic grenade launcher should play an important role in the countermeasure exercise, but ammunition shooting has higher requirements on safety, and the field requirement in the shooting training organization process is always a difficult problem for armies. The blank ammunition as a primary shooting training ammunition can greatly reduce the restriction of factors such as field, safety and the like on the firing practice of armies, and can bring the sensory experience of firing practice to training armies, so that the training armies can adapt to and master the firing key of the grenade launcher as soon as possible. However, the existing empty grenade with a grenade launcher is lacking, and the countermeasure training is difficult to develop by using the training system. And the existing empty ammunition has the following defects:
1. the headless empty ammunition is difficult to achieve the sense experience basically consistent with that of firing practice, is not beneficial to adapting and mastering the firing key of firearms as soon as possible, and is inconvenient to operate because an empty ammunition ejection assisting device is additionally arranged at the muzzle part;
2. the headless empty ammunition is not suitable for training of the grenade launcher, the structures of the existing headless empty ammunition are suitable for bullets and are not suitable for grenades, and the existing grenade launcher has no matched empty ammunition to meet the training requirement.
Therefore, development of an empty package for grenade launcher is needed to satisfy the cooperation of the primary shooting training bullet and the real combat system, fully simulate the battlefield atmosphere, and promote the exercise effect.
Disclosure of Invention
The invention aims to solve the technical problems existing in the prior art. Therefore, the invention provides a shell-removing empty projectile for a grenade launcher and a preparation method thereof.
The technical scheme adopted for solving the technical problems is as follows:
providing a shell-removing empty projectile for a grenade launcher, which consists of a launched charge and a projectile; the projectile comprises an upper projectile body, a projectile belt, a lower projectile body, a blocking cap and a counterweight filler; the front end of the upper elastic body is arranged in a frustum shape, and the outer wall of the tail part of the upper elastic body is embedded with a elastic belt; the outer wall of the upper elastomer is cut with a plurality of breaking grooves penetrating through the upper elastomer along the length direction of the upper elastomer, and the breaking grooves are cut into the elastic belt from the inner wall of the upper elastomer but do not cut off the elastic belt; the blocking cap is arranged at the front end of the inner cavity of the upper elastomer and is used for blocking the end part of the upper elastomer; the counterweight filler is filled in the upper elastomer and is plugged by the tail parts of the lower elastomer and the upper elastomer in a threaded connection mode.
Preferably, the plugging cap is matched with the shape of the inner cavity at the front end of the upper elastomer.
Preferably, the cutting depth of the breaking groove on the elastic belt exceeds the groove bottom of the groove of the elastic belt.
Preferably, 4 fragmentation grooves are uniformly distributed on the upper elastomer.
Preferably, the weight of the empty bomb is consistent with that of the standard bomb.
In a preferred embodiment of the invention, a first groove is formed in the side, facing the counterweight filler, of the lower elastomer, a rubber block is embedded in the first groove, and a second groove is formed in the side, facing the transmitting charge, of the lower elastomer.
In a preferred embodiment of the present invention, the weight filler is a lightweight sphere.
Preferably, the counterweight filler is any one of plastic balls, aluminum balls and foam balls.
In a preferred embodiment of the invention, the propellant charge comprises a cartridge and a propellant and primer disposed within the cartridge.
The preparation method of the unshelling empty bomb for manufacturing the grenade launcher comprises the following steps:
s1, extruding a belt into a prefabricated groove of an upper elastomer;
s2, cutting a plurality of breaking grooves by linear cutting, wherein the breaking grooves are cut into the elastic belt from the inner wall of the upper elastic body but not cut off the elastic belt, and the cutting depth of the breaking grooves on the elastic belt exceeds the groove bottom of the groove of the elastic belt;
s3, plugging the blocking cap from the tail end of the upper elastic body, and then putting the counterweight filler layer by layer, wherein the weight of the counterweight filler is configured in advance according to the weight consistency of the empty bomb and the standard bomb;
s4, after the rubber block is placed in the first groove of the lower elastomer, the lower elastomer is in threaded connection with the upper elastomer to form a projectile;
s5, tightly combining the tail parts of the launched charges and the shots after interference fit to form the empty projectile.
Compared with the prior art, the invention has the beneficial effects that:
1. the blank ammunition designed by the invention is characterized in that after firing, the ammunition is endowed with high-speed rotation by using rifling and the belt is sheared, so that the belt is broken under the action of centrifugal force, wind resistance and climbing force of a blocking cap at a certain distance after the ammunition is discharged, the upper ammunition is split into multiple pieces to disintegrate the ammunition, the split ammunition is split into multiple parts with light weight, the range is reduced by air resistance, and the blank on the blank ammunition is filled by training soldiers on basic shooting actions of a grenade launcher by training soldiers in small-scale shooting ranges;
2. the weight of the blank ammunition is consistent with that of the standard ammunition, so that the blank ammunition has similar internal ballistic performance with that of the standard product in the shooting process, is basically consistent with the sensory experience of firing practice, and does not need to additionally install a blank ammunition ejection assisting device at a muzzle part;
3. the shot of the empty bomb is not provided with dangerous sensitive substances such as initiating explosive devices and the like, explosion risks are avoided, and the material of the shot is a pollution-free material and has no pollution to the environment.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
fig. 1 is a half cross-sectional view of a grenade launcher provided by the present invention with a unshelling blank;
FIG. 2 is a left side view of the upper elastomeric body provided with the belt of FIG. 1.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention;
furthermore, the description of the terms "first," "second," and the like herein are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Example 1
As shown in fig. 1 and fig. 2, the embodiment provides a grenade launcher used unshelling empty ladle projectile, which consists of a launched charge 2 and a projectile 1, wherein the launched charge 2 is tightly combined with the tail of the projectile 1 after interference fit. The projectile 1 comprises an upper projectile body 1.1, a projectile belt 1.2, a lower projectile body 1.3, a blocking cap 1.4 and a counterweight filler 1.5, wherein:
the front end of the upper projectile body 1.1 is arranged into a frustum shape, the outer wall of the tail part of the upper projectile body is embedded with a projectile belt 1.2, and the projectile belt is used for being embedded into rifling, so that a projectile rotates in the rifling at a high speed, the flight stability of the projectile is improved, and the projectile belt is sheared by the rifling. The outer wall of the upper elastic body 1.1 is cut with a plurality of breaking grooves 1.1.0 penetrating through the upper elastic body along the length direction, in this embodiment, 4 breaking grooves are preferably cut uniformly on the periphery of the upper elastic body, the breaking grooves 1.1.0 are cut into the elastic belt 1.2 from the inner wall of the upper elastic body 1.1 but do not cut off the elastic belt 1.2, namely: the breaking groove in this embodiment divides the elastomer into 4 pieces, the breaking groove also cuts into the bullet belt, but does not cut the bullet belt, preferably the cutting depth exceeds the groove bottom of the groove 1.2.0 of the bullet belt, as shown in fig. 1, and the design makes the bullet belt break under the action of centrifugal force, wind resistance and climbing force of the blocking cap after the bullet belt is discharged for a certain distance under the shearing of the rifling, so as to realize the disintegration of the bullet belt.
The plugging cap 1.4 is arranged at the front end of the inner cavity of the upper elastomer 1.1 and is used for plugging the end part of the upper elastomer; preferably, the plugging cap 1.4 is configured to match the shape of the front end cavity of the upper shell body 1.1.
The counterweight filler 1.5 is filled in the upper elastomer 1.1, and is plugged by screwing the tail parts of the lower elastomer 1.3 and the upper elastomer 1.1. The weight filler 1.5 in this embodiment is a lightweight sphere.
The propellant charge 2 comprises a cartridge 2.1, a propellant 2.2 and primer 2.3 which are arranged in the cartridge.
Preferably, the weight of the empty projectile in this embodiment is consistent with the weight of the standard projectile, so as to ensure that the empty projectile has internal ballistic performance similar to that of the standard product during firing, and is substantially consistent with the sensory experience of firing a live projectile. Meanwhile, the empty projectile of the type does not need to be additionally provided with an empty projectile backing-up aid at the muzzle part, namely: can shoot normally without any auxiliary device.
Working principle: during shooting training, the firing pin impacts the primer to ignite the propellant powder, the formed high-temperature high-pressure gas pushes the projectile to move forwards, meanwhile, the rifling endows the projectile with high-speed rotation and shears the projectile belt, after a certain distance from the exit of the projectile, the upper projectile body is split into four petals under the action of centrifugal force, wind resistance and climbing force of the blocking cap, and the four petals are scattered forwards and around, and fall in a free falling body shape at about 70 m through air resistance speed reduction.
Example 2
On the basis of the embodiment 1, as shown in fig. 1, a first groove 1.3.1 is formed in one surface of the lower elastomer 1.3 facing the counterweight filler 1.5, a rubber block 1.6 is embedded in the first groove, and a second groove 1.3.2 is formed in one surface of the lower elastomer 1.3 facing the transmitting charge 2.
According to the embodiment, the rubber block is embedded in the lower elastomer, the lower elastomer and the upper elastomer are connected with each other through threads more easily by utilizing the elasticity of the rubber block, and the problem of expanding the upper elastomer is avoided. The second groove arranged on the lower projectile body can weaken the low-pressure vortex intensity of the projectile bottom, and the partial vacuum area is filled with air, so that the pressure of the projectile bottom is improved, the bottom resistance is reduced, and the range is improved. The range can be adjusted by selecting whether to set the second groove according to the applicable scene.
Example 3
On the basis of the embodiment 1, the weight filler 1.5 of the present embodiment adopts a lightweight sphere, such as: any one of plastic balls, aluminum balls and foam balls.
Example 4
This embodiment provides a method for preparing a hollow shell for unshelling a grenade launcher according to any one of embodiments 1 to 3, comprising the steps of:
s1, extruding a belt into a prefabricated groove of an upper elastomer;
s2, cutting a plurality of breaking grooves by linear cutting, wherein the breaking grooves are cut into the elastic belt from the inner wall of the upper elastic body but not cut off the elastic belt, and the cutting depth of the breaking grooves on the elastic belt exceeds the groove bottom of the groove of the elastic belt;
s3, plugging the blocking cap from the tail end of the upper elastic body, and then putting the counterweight filler layer by layer, wherein the weight of the counterweight filler is configured in advance according to the weight consistency of the empty bomb and the standard bomb;
s4, after the rubber block is placed in the first groove of the lower elastomer, the lower elastomer is in threaded connection with the upper elastomer to form a projectile;
s5, tightly combining the tail parts of the launched charges and the shots after interference fit to form the empty projectile.
Noteworthy are: the unshelling in the unshelling blank cartridge in the above embodiment refers to the decomposition and detachment of the upper cartridge body.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (10)
1. A grenade launcher uses the unshelling empty ladle bullet, it is made up of launch charge and projectile; the method is characterized in that: the projectile comprises an upper projectile body, a projectile belt, a lower projectile body, a blocking cap and a counterweight filler, wherein:
the front end of the upper elastic body is arranged in a frustum shape, and the outer wall of the tail part of the upper elastic body is embedded with a elastic belt;
the outer wall of the upper elastomer is cut with a plurality of breaking grooves penetrating through the upper elastomer along the length direction of the upper elastomer, and the breaking grooves are cut into the elastic belt from the inner wall of the upper elastomer but do not cut off the elastic belt;
the blocking cap is arranged at the front end of the inner cavity of the upper elastomer and is used for blocking the end part of the upper elastomer;
the counterweight filler is filled in the upper elastomer and is plugged by the tail parts of the lower elastomer and the upper elastomer in a threaded connection mode.
2. The grenade launcher unshelling void-pack according to claim 1, wherein: the lower elastomer is provided with a first groove facing the counterweight filler, a rubber block is embedded in the first groove, and a second groove is arranged on the lower elastomer facing the powder charge emitting surface.
3. The grenade launcher unshelling void-pack according to claim 1, wherein: the plugging cap is matched with the shape of the inner cavity at the front end of the upper elastomer.
4. The grenade launcher unshelling void-pack according to claim 1, wherein: the counterweight filler adopts a light sphere.
5. The grenade launcher unshelling void-pack according to claim 4, wherein: the counterweight filler is any one of plastic balls, aluminum balls and foam balls.
6. The grenade launcher unshelling void-pack according to claim 1, wherein: the cutting depth of the breaking groove on the elastic belt exceeds the groove bottom of the groove of the elastic belt.
7. The grenade launcher unshelling void-pack according to claim 1, wherein: 4 cracking grooves are uniformly distributed on the upper elastomer.
8. The grenade launcher unshelling void-pack according to claim 1, wherein: the propellant charge comprises a cartridge and a propellant charge and primer arranged in the cartridge.
9. The grenade launcher unshelling void-pack according to any one of claims 1 to 8, wherein: the weight of the empty bomb is consistent with that of the standard bomb.
10. A method for preparing the unshelling empty packet projectile for the grenade launcher according to claim 9, which is characterized in that: the method comprises the following steps:
s1, extruding a belt into a prefabricated groove of an upper elastomer;
s2, cutting a plurality of breaking grooves by linear cutting, wherein the breaking grooves are cut into the elastic belt from the inner wall of the upper elastic body but not cut off the elastic belt, and the cutting depth of the breaking grooves on the elastic belt exceeds the groove bottom of the groove of the elastic belt;
s3, plugging the blocking cap from the tail end of the upper elastic body, and then putting the counterweight filler layer by layer, wherein the weight of the counterweight filler is configured in advance according to the weight consistency of the empty bomb and the standard bomb;
s4, after the rubber block is placed in the first groove of the lower elastomer, the lower elastomer is in threaded connection with the upper elastomer to form a projectile;
s5, tightly combining the tail parts of the launched charges and the shots after interference fit to form the empty projectile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311098930.0A CN117109364A (en) | 2023-08-29 | 2023-08-29 | Unshelling empty bomb for grenade launcher and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311098930.0A CN117109364A (en) | 2023-08-29 | 2023-08-29 | Unshelling empty bomb for grenade launcher and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117109364A true CN117109364A (en) | 2023-11-24 |
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ID=88801736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311098930.0A Pending CN117109364A (en) | 2023-08-29 | 2023-08-29 | Unshelling empty bomb for grenade launcher and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117109364A (en) |
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2023
- 2023-08-29 CN CN202311098930.0A patent/CN117109364A/en active Pending
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