RU2300069C1 - Device for training fire - Google Patents

Abstract

FIELD: military equipment, applicable in devices for training fire from muzzle-loading re-usable grenade launchers with an on-mounted grenade equipped with a firing mechanism in which standard cartridges with a tracer bullet and an impact primer cap are used.

SUBSTANCE: the device has a body, whose appearance simulates the round to the grenade launcher, barrel with an opening in the cartridge chamber, breechblock with a striker, trigger mechanism and a firing mechanism. The barrel is provided with a casing rigidly coupled to it and an adjusting mechanism consisting of a hinge fastened in the barrel breech, and three screws with nuts installed in the muzzle end of the casing, the casing inner diameter-to-the barrel bore ratio is 3.5:1, and breechblock with the striker is hinge-joined to the breechblock, the firing mechanism is provided with a stop, and the trigger mechanism is provided with an automatic safety lock in the form of a double-arm lever, whose one arm is engage able with the sear, and the other projects from the device body generatrix.

EFFECT: improved close grouping of shots and accuracy due to the matching of the bullet flight trajectory to the grenade flight trajectory in the sighting firing range, simplified construction of the device and reduced labor content of its manufacture.

5 dwg

Description

The invention relates to the field of military equipment and can be used in training shooting devices for reusable muzzle-loading grenade launchers with a super-caliber grenade equipped with a trigger mechanism that use standard cartridges with a tracer bullet and a shock capsule.

To train personnel in firing from grenade launchers, training shooting devices are used, which are a rifled barrel firing a bullet, the flight path of which corresponds to the flight path of a grenade at firing ranges.

Known manual grenade launcher and shooting training device for him, see [1].

Training in shooting from a grenade launcher is carried out using special training grenades, and a special barrel is inserted into the grenade launcher. The disadvantages of the device are the complex design, the need for a special training grenade.

Known training shooting device (PUS) from the RPG-7 grenade launcher, selected as a prototype, see [2]. It consists of a body and a barrel with a chamber. The barrel of the training firing device is equipped with recessed rifling, which ensures the discharge of gases to the value necessary to combine the flight path of a bullet and a grenade.

However, the manufacture of these recessed rifling with the help of short-lived and expensive cathodes causes great technological difficulties, and also not at all aiming distances of firing the necessary trajectory of the bullet’s flight coincides with the trajectory of the grenade.

Bringing the device to a normal battle is carried out by bending the barrel relative to its breech, fixedly mounted in the body, which leads to increased barrel wear.

These disadvantages are absent in the present invention, which solves the problem of improving the accuracy and accuracy of the battle by combining the trajectory of the bullet with the trajectory of the grenade at sighting firing ranges, and also simplifies the design of the device and reduces the complexity of manufacturing.

To solve the problem in training shooting device, comprising a housing, a barrel with a chamber and a trigger mechanism, a striking mechanism, it is new that the barrel is equipped with a housing that is rigidly connected with it, the barrel with a housing is located inside the housing, allowing the shaft axis to deviate relative to the housing in horizontal and vertical directions due to the hinge in the breech of the barrel and three screws with nuts of the adjustment mechanism in the muzzle of the barrel casing; the ratio of the inner diameter of the casing to the caliber of the barrel is made in the ratio of 3.5: 1, the bolt with the striker is pivotally connected to the bolt skeleton to ensure locking of the barrel in any deviation; the percussion mechanism is equipped with a latch to prevent the device from loading into the grenade launcher with the bolt not fully locked; the trigger mechanism is equipped with a two-armed automatic fuse, while one of its shoulders blocks the whisper when the device is outside the grenade launcher, and the other stands for the generatrix of the device body.

The invention is illustrated by drawings, where:

figure 1 shows a longitudinal section of the CCP;

figure 2 shows a section through the adjustment mechanism;

figure 3 shows the position of the shutter latch when the shutter is not fully locked;

figure 4 shows a section along the trigger;

figure 5 shows a view of the front of the shutter.

The training shooting device includes a housing 1 with an adjustment mechanism 2 and a trigger 3. A barrel 4 with a housing 5 and an impact mechanism 6 is placed in the housing. The barrel 4 has an opening 7 in the chamber to provide the required initial velocity of the bullet, which ensures maximum approximation of the trajectory bullets to the trajectory of a combat grenade. The ratio of the inner diameter of the casing 5 to the caliber of the bore 4 is made in the ratio of 3.5: 1, because with a smaller ratio, the powder gases discharged through the opening 7 in the chamber into the casing 5 disturb the flight of the bullet, destabilize it and impair accuracy.

To deflect the barrel 4 with the casing 5 relative to the casing 1, when the CCP is brought into normal combat, the screws 8 with nuts 9 of the adjustment mechanism 2 are used.

The trigger 3 consists of a spring-loaded sear 9 and a fuse 10, mounted on the axes on the base 11 of the trigger 3. The shoulder 12 of the fuse 10 blocks the sear 9 when the device is outside the grenade launcher, thereby eliminating an accidental shot. The other shoulder 13 of the fuse 10 when charging the device into the barrel of the grenade launcher turns the fuse 10, unlocking the sear 9.

The shock mechanism 6 includes a shutter 14 with a striker 15 and a shutter body 16 with a spring-loaded striker 17 located therein and a shutter lock 18.

The shutter 14 is pivotally connected to the skeleton of the shutter 16 to ensure locking of the barrel 4 in any deviation. In the front of the shutter 14, an oval half-closed groove 19 is made to hold the cartridge 20. In the cocked position, the firing pin 17 is held by the sear 9. The firing pin 17 is released by the striker 21 of the grenade launcher. The shutter latch 18 holds the shutter 14 in the locked position. When the shutter 14 is not fully locked, the shutter latch 18 protrudes beyond the generatrix of the housing 1, excluding the charging of the device in the grenade launcher.

To load the PUS, we do the following. We remove the hammer mechanism 6 from the housing 1. We place the cartridge 20 in the half-closed oval groove 19 of the shutter 14. Then we insert the hammer mechanism 6 with the cartridge 20 into the housing 1 and direct it forward to the hammer 17 in the sear 9, cocking the spring 22 to its working state . From an unauthorized rotation of the sear 9, it is held by the fuse 10. The lock bolt 18 thus rotates on its axis and extends beyond the generatrix of the housing 1. In the extreme front position of the hammer mechanism 6 we turn it clockwise until the barrel 4 is completely locked. into the groove on the housing 1. Then we insert the control panel into the grenade launcher 23. In this case, the shoulder 13 of the fuse 10 interacts with the barrel of the grenade launcher 23, turns the fuse 10, unlocking the sear 9, which is located opposite the striker 21 grenade launcher mechanism. ICE with a grenade launcher 23 is ready to fire.

To produce a shot of the firing pin 21 of the trigger mechanism, the grenade launcher acts on the sear 9, turning it. The drummer 17 is released from contact with the sear 9 and under the action of the spring 22, the drummer 17 begins to move forward.

During its movement, the drummer 17 interacts with the striker 15, transferring his energy to him. The firing pin 15 begins to move forward, at which the primer capsule 20. The shot is fired.

To discharge the launcher, we remove it from the barrel of the grenade launcher 23. Press the bolt lock 18, withdrawing it from the groove on the housing 1. Rotate the hammer mechanism 6 counterclockwise, while unlocking the barrel 4. Press on the shoulder 13 of the fuse 10. At the same time the shoulder 12 of the fuse 10 unlocks the sear 9. The sear 9 now has the ability to turn on its axis and skip the drummer 17. We remove the hammer mechanism 6 with the fired sleeve from the housing 1 for subsequent loading.

Thus, the CCP is convenient, reliable and safe in operation.

An experimental batch of CCPs of this design was manufactured at the enterprise and tests were carried out with a positive result.

Information sources

1. Launcher American-made LAW, the magazine "Infantry", 1975, T. 65, 5, p. 49-50.

2. Manual on a small business. RPG-7, RPG-7D manual anti-tank grenade launcher. - M.: Ministry of Defense of the USSR, 1972, p.157 - prototype.

Claims (1)

A training firing device, comprising a housing whose appearance imitates a shot to a grenade launcher, a barrel with an aperture in the chamber, a bolt with a striker, a bolt skeleton, a trigger with a sear and a hammer mechanism, characterized in that the barrel is equipped with a casing and an adjustment mechanism rigidly connected to it consisting of a hinge fixed in the breech of the barrel, and three screws with nuts installed in the muzzle of the casing, while the ratio of the inner diameter of the casing to the caliber of the bore is 3.5: 1, and the bolt is fast it is pivotally connected to the bolt skeleton, the striking mechanism is equipped with a latch, and the trigger mechanism is equipped with an automatic fuse in the form of a two-shouldered lever, one shoulder of which interacts with the sear and the other protrudes from the generator body of the device.

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