RU2707476C1 - Automatic gun supply system - Google Patents

Abstract

FIELD: weapons and ammunition.

SUBSTANCE: invention relates to ammunition supply mechanisms. Automatic gun feeding system includes magazine with parallel installed three sections for shells of different types, lifting device, accumulator with upper and lower output channels above the first section, conveyor, trays. Chain drive. Automatic gun accommodates intake hose with two passages aligned with accumulator top and bottom outlets.

EFFECT: reduced dimensions and weight of automatic gun supply system.

1 cl, 2 dwg

Description

The invention relates to military equipment and can be implemented in the designs of military vehicles equipped with automatic guns with selective ammunition.

A known power system for a cannon with two-tape power BMP-2 infantry fighting vehicle (BMP-2 infantry fighting vehicle. Technical description and operating instructions. Part 1. Moscow. Military publishing house, 1987). The gun’s power system is designed to accommodate and feed cartridge belts to the gun’s receiving windows and includes a magazine, a left sleeve and a right sleeve, a pull mechanism, a screw sleeve, a neck and a flexible element. The store is attached to the floor of the fighting compartment, is a welded structure and consists of left and right compartments with covers. In the right compartment are the cartridge tapes equipped with cartridges with armor-piercing tracer (BT) shells, in the left compartment-loaded with cartridges with high-explosive fragmentation incendiary (OFZ) and fragmentation-tracing (OT) shells.

The left compartment is divided into two parts by a partition. The compartments are provided with output vertical channels.

The left sleeve and the right sleeve are designed to accommodate and feed the tape from the magazine compartments to the pull-up mechanism. The sleeve is fixed around the perimeter of the floor.

The screw sleeve and the neck are used for placement, rotation and supply of cartridge tapes from the pull-up mechanism to the flexible element.

Screw sleeves and neck are welded structures, divided into two channels for the passage of two cartridge strips.

The flexible element provides the supply of cartridge tapes from the fixed neck to the receiving windows of the gun at all pumping angles. The flexible element is made in the form of a package of plates pumped relative to the pipe mounted on the clip of the weapon block. The tail part of the plate rests on a rod pivotally mounted on the casing of the gun and on the neck. When pumping the gun, the rod rotates the plates of the flexible element with a fan. The windows in the plates form two channels for guiding the cartridge strips.

The disadvantage of the power system is the large length of the paths for supplying the cartridge belt to the weapon and unreliable operation due to the possibility of the shell dropping into the formed gaps between the plates of the flexible element when the gun is elevated and inclined, which results in damage to the cartridge and jamming of the cartridge belt.

Partially indicated drawback is eliminated in the power supply system of the automatic gun (Patent RU No. 2543438 dated January 28, 2015, IPC F41A 9/57), taken as a prototype.

The power supply system consists of a 3-section magazine with outlet channels and sleeves for guiding the cartridge strip, a flexible element and a neck, divided into two channels for supplying two cartridge strips. The sections of the store are installed parallel to each other, the first and second sections of the store are connected by a flexible element made in the form of upper and lower flexible sleeves, one ends of which are fastened to the receiving windows of the gun, and the other with vertically mounted necks. The necks are connected using flat curved guides with output channels of the first and second sections of the stores, respectively. The second and third sections of the store are installed next to each other and are connected to each other by a curved guide.

The disadvantages of this power system are the large size and weight due to the use of a link to supply ammunition to the automatic gun.

The objective of the proposed invention is to reduce the size and weight of the power system of an automatic gun.

The problem is solved by the power supply system of an automatic gun containing a magazine with parallel sections for placing shots of various types and output channels. What is new is that all three sections are equipped with a lifting device, consisting of a pallet with nuts fixed on it, kinematically connected to threaded rollers, pivotally mounted in sections of the magazine and equipped with sprockets connected by a chain, the front section is equipped with a drive with upper and lower output channels for the placement of shots, and the two rear sections are equipped with a conveyor that provides the supply of shots to the upper output channel of the drive and consisting of chains worn on sprockets pivotally mounted on sections of the store and connected by rollers interacting with the sheet of cartridge cases, the automatic gun has a receiving sleeve with two streams combined with the upper and lower output channels of the drive in the gun position at the loading angle.

The proposed technical solution is illustrated by graphic materials, where in FIG. 1 shows a top view of a power system and an automatic gun, FIG. 2 is a side view of a power system.

The power system of the automatic gun 1 consists of a 3-section store with parallel sections. The front section 2 is filled with shots with armor-piercing-projectile shells (BPS) 3, the rear sections 4 and 5 are filled with shots with high-explosive fragmentation shells (OFS) 6.

Shots in sections are laid out in horizontal rows on pallets 7 with the possibility of moving in guides 8.

Each section is equipped with a lifting device, which consists of a chain 9, worn on the sprockets 10, rigidly fastened to the threaded rollers 11. The rollers 11 are kinematically connected with the nuts 12, mounted on pallets 7.

A drive 13 with an upper 14 and a lower 15 output channels is installed above the front section 2: shots with an OFS are located in the upper output channel 14, and in the lower one with an BPS. A conveyor is mounted above the rear sections 4 and 5, which consists of two chains 16, worn on sprockets 17, mounted on brackets 18. The chains 16 are interconnected by rollers 19 interacting with the blanket of shot casings with OFS. Top shots in sections 4 and 5 are closed by covers 20, which serve as guides when moving shots into the drive.

An automatic gun 1 contains a receiving arm 21 with two streams: shots with a general physical force are located in the upper stream 22, and shots from the BPS are located in the lower stream 23 located under the upper stream. Automatic gun 1 together with the receiving sleeve 21 is mounted with the possibility of rotation in a vertical plane.

The power system of the automatic gun works as follows. After firing all the ammunition from the receiving arm 21 or from one of its streams, the gun is set to the loading angle, while the streams 22 and 23 of the receiving arm 21 are combined with the output channels 14 and 15 of the accumulator 13. Some of the shots from the accumulator 13 or from one of its output channels is fed into the receiving sleeve 21 and the gun is transferred to the angle of fire.

Depending on the type of target, shots from the selected stream of the receiving arm 21 are fed to the gun sending line, while the gun automatics provide firing in bursts until the shots are fully used up in the stream or before the moving parts are put on the sear.

When the shots are spent in the upper output channel 14 of the drive 13, the upper row from the rear section 4 is fed to the upper output channel of the drive. The feed is carried out using chains 16 and rollers 19. When the drive is turned on, the sprockets 17 begin to rotate, chain 16 moves, while the rollers 17, acting on the blanket shells, move them to the upper output channel of the drive, after which shots from one of the rear sections rise one step and fill the conveyor. The shots are lifted by a lifting device made in each section. Using the drive, sprockets 10 of one of the sections begin to rotate. The threaded rollers 11 begin to rotate and with the help of nuts 12 raise the pallet 7 by one step. To ensure synchronous rotation of the sprockets 10 is a chain 9.

The lower output channel 15 of the drive 13 is filled similarly by raising shots in the front section 2 of the store one step.

Thus, the proposed technical solution allowed to reduce the overall dimensions and weight of the power system of the automatic gun.

Claims (1)

The power system of an automatic gun, containing a magazine with parallel sections for placing shots of various types and output channels, characterized in that all three sections are equipped with a lifting device consisting of a pallet with nuts fixed to it, kinematically connected with threaded rollers pivotally mounted in sections store and equipped with asterisks connected by a chain, the front section is equipped with a drive with upper and lower output channels for placing shots, and two rear sleep sections They are fed by a conveyor that provides the supply of shots to the upper output channel of the drive and consists of chains worn on sprockets pivotally mounted on sections of the store and connected by rollers interacting with the web of cartridge cases, on the automatic gun there is a receiving sleeve with two streams combined with the upper and lower output channels of the drive in the position of the gun at the loading angle.

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