Self-propelled artillery mount "Coalition-SV"
Jobs crew members are located in a computerized control module, which is located in the nose of the chassis. The crew, consisting of 2-x people, has complete control over the processes of loading, targeting and firing. The control module is equipped with on-board tactical target selection, positioning and navigation systems. According to the indications of instruments and sensors, the crew constantly monitors the general condition of the vehicle and the amount of ammunition by type of shots.
Each workplace of crew members is equipped with a complex of remote control of automated fire and instrument control of all operations on the displays with a single information command system. The information and control channels for communication of crew jobs in the control module with the weapon module are duplicated. The main hatches of the crew, an evacuation hatch, as well as a technological hatch of the passage to the weapon module are provided.
Installing the control module in the forward part of the hull allows you to place the crew in the least dangerous place of the combat vehicle.
The main armament is located in the turret, where a paired artillery mount and ammunition with a mechanized charging system are installed. The engine is located in the rear of the machine.
The modular solution of the weapons and control units as independent units performing a certain function allows reducing the number and strengthening of crew protection, including against weapons of mass destruction, as well as improving the interaction conditions and crew performance.
The sample shown at the end of 2006 was made on the basis of a modified chassis using the T-80 and T-72 OBT nodes.
Serial products are planned to be manufactured using the chassis of a promising Russian tank (vol. 195). The new chassis (seven road wheels on board) has significantly better performance in terms of carrying capacity, mobility, and suspension characteristics that reduce artillery installation vibrations when firing.
Self-propelled guns can be part of a self-propelled artillery complex, which also includes an armored ammunition carrier. Thus, the maintenance of a promising self-propelled guns will be provided by a sufficient number of personnel, despite its significantly reduced crew. Maintenance operations of prospective self-propelled guns can be automated to the maximum extent.
After the SAU has reached the firing position, the cannon is fired after automatically aiming at the target with a fire control system under the control of crew members at the displays. Ammunition is fed from automated ammunition into the gun at the entire range of pointing angles. Mechanisms in the module provide automatic selection of the necessary types of shells and modular charges. The complex of life protection units cleans incoming air from the harmful effects of powder gases and means of mass destruction, fully ensures comfortable working conditions for the crew.
As part of the complex (ACS / TZM), it is possible to implement a fully automated system for loading ammunition aboard, loading and firing, which ensures a high rate of fire. Introduction to the complex of an armored transport-charging vehicle (TZM), equipped with an automated subsystem for loading and moving ammunition, which allows the crew to reload all the necessary shots on board the SAU
The twin gun mount has a cradle with two trunks located one above another, fixed with the possibility of reciprocating movement along its axis. The upper and lower trunks are installed parallel to each other in a vertical plane.
The upper and lower trunks are kinematically connected with the corresponding upper and lower projectile paddlers, and with the corresponding upper and lower longitudinally-sliding gates-piston-type paddle accelerators having an elastic-plastic obturator of the Banja type. The upper and lower bolt-charging rammers are made interacting in the locked position with their lugs directly with the pipes of the corresponding upper or lower barrel. The upper and lower trunks are connected with the corresponding left and right recoil devices.
On each barrel in the front of the pipe there is a cell-type muzzle brake with side windows directed in opposite directions in the horizontal plane. Other variants of the muzzle brake are also possible.
The mechanism for the two-way delivery of ammunition (projectiles and charges) of an artillery installation contains a drive consisting of two mechanized ammunition. Each ammunition is made in the form of a closed conveyor with drives for their movement, and an ammunition delivery window. Two ammunition loaders from the stacker and two pendulum loaders ensure the delivery of ammunition to the rocking part of the artillery installation.
The drive on the left side of the artillery installation is projectile, both mechanized projectile ammunition are located on the same level parallel to the dividing partition with two windows issuing projectiles.
Combat units made in the form of closed conveyors with their movement drives and consist of separate cells, each of which contains up to two projectiles.
The second drive, located on the other side of the artillery installation, is charging and consists of two mechanized charging ammunition, located at the same level parallel to the dividing partition. The charger also has two windows for dispensing variable propellant modules. Each of the mechanized charging ammunition contains two closed conveyors parallel to each other, each closed conveyor consists of separate cells, each of which contains one variable charge module.
The first pendulum reloader (slug) with a drive for moving it is mounted on the first trunnion coaxial with the trunnions of an artillery installation, on the same side of the artillery installation as the slug accumulator, has two rotary slug trays that are installed parallel to each other and equipped with locking mechanisms for holding projectiles during their transportation. Snare trays are fixed with the ability to rotate on the axes on the basis of the slug pendulum loader. The shell-mounted pendulum loader is kinematically connected in the loading position of the gun with the first and second hydraulic cylinders (to move the slug trays to the corresponding feed lines) installed on the cradle of the artillery unit and fitted with springs returning the slug chutes to their initial position.
The second pendulum material handler (charging) with the drive of its movement is mounted on the second axle coaxial with the axles of the artillery installation, on the other side of the artillery installation. The charging storage device has two rotary charging bins, installed parallel to each other and equipped with locking mechanisms for holding the variable charge modules during their transportation. Charging trays are fixed with the ability to rotate on the axes on the basis of the charging pendulum material loader in the loading position of the gun. The loader is kinematically connected with the third and fourth cylinders (for moving the charging trays to the corresponding feed lines) installed on the cradle of the artillery installation, and is equipped with return springs for charging the trays to their original position.
The loading and charging pendulum loading cranes in the loading position correspond to the windows for issuing projectiles and variable charge modules from the corresponding drives — projectile and charging.
Shooting from a paired artillery installation is done alternately from each barrel.
For self-defense, an anti-aircraft machine gun of caliber 12,7 mm is installed on the roof, and electrically controlled smoke grenade launchers are installed on the sides of the turret.
The ACS with a paired artillery installation provides an increase in the rate of fire by providing the possibility of simultaneous loading of two barrels, which brings such an artillery set for fire performance to multiple rocket launcher systems while maintaining accuracy of cutting of the barrel system. At the same time, dimensions and weight close to the corresponding dimensions and mass of the traditional single-barreled system are preserved.
The ACS with a paired artillery installation has an increased reliability of the artillery system and combat survivability due to the use of two largely independent from each other subsystems formed by autonomous units (two independent projectiles and charging warheads, etc.).
Improved firing efficiency by reducing the reaction time of the art complex when firing at a newly appeared target, by reducing the loading cycle time of the 1-shot by reducing the operating time of the projectile and charging ammunition, which, in turn, is provided by their division into two parts, and therefore, reducing the length of each of them in half.
EFFECT: increased shooting efficiency, especially in the “fire raid” or “barrage of fire” mode (foreign term multiple rounds of the simultaneous impact MRSI) by ensuring the maximum rate of fire on one target by firing shots at different charge numbers (which is achieved by using a variable modular propellant charge) at different angles of elevation of the barrels of artillery installations. In this case, all the queue projectiles can approach the target almost simultaneously, which ensures an extremely high probability of its destruction.
The stability of the ballistic characteristics on all numbers of variable charge is ensured by providing the possibility of uniform fixation in the charging chamber of the caseless variable modular propellant charge on the piston of the longitudinally sliding gate-rammer (i.e. at the bottom of the chamber) regardless of the number of modules in a particular charge.
The mass of the paired artillery mount is commensurate with the mass of the classic single-barreled systems. This is achieved through the use of high-strength steels for the manufacture of trunks, unified with the steels used for advanced tank guns. The external contour of the barrel tubes is minimized in terms of pressure retention. Eliminated the need for breeders, their function perform charging rammer. For the manufacture of the cradle used materials with high specific rigidity, for example, composite.
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