CN109990651B

CN109990651B - Front spray pipe type electromagnetic recoil reducing device for multi-bullet series-connected launching artillery

Info

Publication number: CN109990651B
Application number: CN201711492754.3A
Authority: CN
Inventors: 程诚; 王翀; 周正炜; 张小兵
Original assignee: Nanjing University of Science and Technology
Current assignee: Nanjing University of Science and Technology
Priority date: 2017-12-30
Filing date: 2017-12-30
Publication date: 2021-07-06
Anticipated expiration: 2037-12-30
Also published as: CN109990651A

Abstract

The invention discloses a preposed spray pipe type electromagnetic recoil reducing device for a multi-bullet series-connected launching gun, which consists of a gun body pipe, a preposed spray pipe, an electromagnetic opening and closing device, an electric stepping mechanism and an electronic controller. An air guide hole is arranged between the front spray pipe and the barrel, so that high-pressure gunpowder gas at the rear part of the moving projectile is discharged from the spray pipe in advance; meanwhile, the opening time and the opening degree of the air guide hole during continuous launching of different projectiles are controlled by the electromagnetic opening and closing device. The invention effectively reduces the recoil force when the multi-bullet is transmitted in series at ultrahigh radio frequency, reduces the bullet resistance before the rear-shot is transmitted, improves the transmitting frequency and ensures the consistency of the initial speed of the inner trajectory of the multi-shot at ultrahigh radio frequency. The invention can also be used for reducing recoil of a conventional artillery.

Description

Front spray pipe type electromagnetic recoil reducing device for multi-bullet series-connected launching artillery

Technical Field

The invention relates to the technical field of multi-projectile series weapon launching, in particular to a front spray pipe type electromagnetic recoil reducing device for a multi-projectile series launching artillery.

Background

The super high radio frequency weapon (also called metal storm weapon) is a new concept weapon, although it adopts conventional propellant powder, its structure design and firing principle are different from conventional artillery, it has no series of moving parts of feed mechanism, recoil device and ejection mechanism, etc., and the rest is firing barrel, conventional ammunition and electronic circuit, and uses multi-ammunition series-connection stack-up technology and electronic ignition technology, and utilizes the electronic pulse ignition to continuously fire the ammunition from the barrel so as to implement effective control of firing sequence and firing time interval of various ammunitions, and possesses the characteristics of high radio frequency, strong power and high controllability. The ultrahigh radio frequency multi-bomb series emission can be widely applied to the fields of individual light weapons, non-lethal anti-terrorism weapons, area intensive attack weapons, short-range anti-pilot weapons, civil fire fighting and the like, and has extremely wide application prospect. At present, reports on ultra-high radio frequency weapons mainly focus on the technical verification aspects of engineering prototypes such as an ultra-high radio frequency multi-projectile electronic ignition technology, a series shot sealing technology, a multi-projectile series structure design and the like, but the ultra-high radio frequency weapons also have various problems, such as: the problem of recoil reduction and the problem of ballistic consistency in multi-projectile firing. Although various recoil reducing devices aiming at the conventional artillery are available, the requirement for the consistency of the initial speed of the inner trajectory during multi-projectile series ultrahigh radio frequency emission cannot be met, so that a new recoil reducing mode is needed to meet the requirement.

Disclosure of Invention

The invention aims to provide a front spray pipe type electromagnetic recoil reducing device for a multi-bullet series-connected launching gun, which effectively reduces recoil force when multiple bullets are launched in series at ultrahigh radio frequency, reduces bullet resistance before launching of a backward-launched bullet, improves launching frequency and ensures the consistency of initial speed of inner trajectory of the launched bullet at ultrahigh radio frequency.

The technical solution for realizing the purpose of the invention is as follows: a front spray pipe type electromagnetic recoil reducing device for a multi-projectile series-connected launching gun comprises an electronic control platform, a barrel, a computer, a front spray pipe and an opening and closing mechanism; the preposed spray pipe is additionally arranged on the barrel, and the direction of the spray pipe is parallel to the direction of the barrel; a plurality of pills are arranged inside the barrel in sequence; the opening and closing mechanism is located at the front end of the front spray pipe and can move along the axis of the front spray pipe in the horizontal direction, the computer is connected with the electronic control platform through a signal transmission line, and the electronic control platform is respectively connected with the electronic ignition device, the stepping mechanism in the opening and closing mechanism and the coil.

The space in the front spray pipe and the barrel bore is communicated by air guide holes, and the air guide holes are positioned in front of all the shots in the shot launching direction when the shots are not launched.

The outer side of the open-close structure cavity is provided with a stepping mechanism, and the inner side of the open-close structure cavity comprises a limiting piston, a return spring, a magnetic material baffle and a valve structure which are sequentially arranged; the electromagnetic valve is arranged behind the limiting piston, is wound by a coil and is connected with the electronic control platform through a signal transmission line, the return spring is connected behind the limiting piston, the return spring tightly presses the magnetic material baffle, and the magnetic material baffle is connected with the valve structure through a connecting rod; the valve structure is positioned above the air guide hole and blocks the air guide hole when not working.

When the coil is connected with current, magnetism is generated, and the magnetic pole is attracted to the magnetic material baffle plate.

The preposed spray pipe is an expansion spray pipe.

Compared with the prior art, the invention has the following remarkable advantages: (1) the damping force of the ultrahigh radio frequency weapon can be reduced; (2) the shooting frequency of the ultrahigh radio frequency weapon can be improved; (3) can ensure the consistency of the initial speed of the projectile.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention.

Fig. 2 is a detailed view of the opening and closing structure.

Detailed Description

The structure of the invention is that a preposed spray pipe is additionally arranged on a barrel of a multi-bullet series-connected launching gun, the opening and closing time and the opening degree of the spray pipe are controlled by an opening and closing structure, and the opening and closing structure is controlled by an electronic control platform according to computer parameters. Before the shot is shot, the opening and closing structure is in a closed state, so that the air tightness in the chamber is ensured; when the projectile runs for a preset time, the opening and closing mechanism is opened under the control of the electronic control platform, the preposed spray pipe is communicated with the gun body pipe through the air guide hole, and high-pressure gas in the cavity is sprayed out through the air guide hole; when the projectile leaves the muzzle, the opening and closing mechanism is closed under the control of the electronic control platform, the air guide hole is closed, and the projectile is returned to the initial launching state.

To meet the design requirements, the solution is as follows:

specifically, according to the launching requirement, the computer calculates parameters such as ignition time of the ignition device, the extruding length of the stepping mechanism, the current communication time and the current communication size in the coil in the opening and closing mechanism and the like according to the launching requirement and the inner trajectory.

Specifically, the ignition time of each shot of ignition charge is controlled by the electronic control platform according to the computer calculation parameters.

Specifically, according to the computer calculation parameters, the electronic control platform controls the opening and closing time of the opening and closing mechanism when each shot is launched.

Specifically, the extrusion length of the stepping mechanism is controlled by the electronic control platform according to computer calculation parameters.

Specifically, when current is switched on and off in the coil, the electromagnetic valve generates magnetism, and the magnetic pole direction is: when the solenoid valve is magnetized, it is attracted to the magnetic material plate.

Specifically, according to the calculation parameters of a computer, when the shot is discharged from the shot hole, the electronic control platform controls the current to be cut off, and the reset spring realizes the reset of the opening and closing mechanism.

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, the invention relates to a front spray pipe type electromagnetic recoil reducing device for a multi-bomb series-firing gun, which comprises an electronic control platform, a barrel, a computer, a front spray pipe, an air guide hole and an opening and closing mechanism. The preposed spray pipe is additionally arranged on the barrel, and the direction of the spray pipe is parallel to the direction of the barrel. Multiple pills are sequentially arranged inside the barrel. The air guide holes are positioned in front of all the shots along the shot launching direction when the shots are not launched. The computer is connected with the electronic control platform through a signal transmission line, and the electronic control platform is respectively connected with the electronic ignition device, the stepping mechanism in the opening and closing mechanism and the coil. As shown in fig. 2, the opening and closing mechanism is located at the front end of the front nozzle and can move along the axis of the front nozzle in the horizontal direction, wherein the valve structure of the opening and closing mechanism is located above the air guide hole and just blocks the air guide hole when not in operation, the stepping mechanism is arranged outside the cavity and used for controlling the extrusion length of the limit piston, and the limit piston, the return spring, the magnetic material baffle and the valve structure are arranged inside the cavity in sequence. The limiting piston is provided with an electromagnetic valve, the electromagnetic valve is wound by a coil and is connected with the electronic control platform through a signal transmission line, when the coil is connected with current, magnetism is generated, and the magnetic pole is attracted to the magnetic material baffle plate. The rear side of the limiting piston is provided with a return spring, the return spring tightly presses the magnetic material baffle, and the magnetic material baffle is connected with the valve structure through a connecting rod.

When the projectile is launched, the electronic ignition platform firstly ignites gunpowder in the front-end chamber, and the gunpowder is rapidly combusted to generate a large amount of gas to push the front-end projectile to move. Before the projectile does not reach the air guide hole, the conductive coil in the opening and closing mechanism is kept electrified, so that the valve of the opening and closing mechanism is kept closed. When the projectile moves to the pre-calculated opening position, the opening and closing mechanism is opened under the control of the electronic control platform, the air guide holes are communicated, and high-pressure gas in the cannon bore is sprayed out through the front-mounted spray pipe. After the shot is discharged from the bore, the current of the coil is cut off, and the valve mechanism is restored to the initial position under the action of the return spring. The coil is re-energized to maintain the valve mechanism in a closed condition until the next projectile is fired.

When the second shot is ready to be fired, the valve means returns to a closed state, the entire process being substantially the same as when the first shot was fired, except that the strokes of the front and rear shots are different. The time for opening the air vent needs to be controlled to keep the initial velocity of the multiple shot constant. Before the firing, the control computer has calculated and determined parameters such as the ignition time and the opening time of the opening and closing device according to the required firing frequency, the initial velocity of the projectile and other internal trajectory indicators. And when the second shot is shot, the electronic control platform carries out related operation according to the calculation parameters.

The launching process of the third shot is approximately similar to that of the first two shots, and redundant description is not repeated.

Claims

1. The utility model provides a leading nozzle formula electromagnetic type subtracts recoil device for having more bullet series connection launch artillery which characterized in that: comprises an electronic control platform (1), a barrel (2), a computer (6), a preposed spray pipe (7) and an opening and closing mechanism (9); the preposed spray pipe (7) is additionally arranged on the barrel (2), and the direction of the spray pipe is parallel to the direction of the barrel (2); the multiple projectiles (3) are sequentially arranged inside the barrel (2); the opening and closing mechanism (9) is positioned at the front end of the front spray pipe (7) and can move along the axis of the front spray pipe (7) in the horizontal direction, the computer (6) is connected with the electronic control platform (1) through a signal transmission line, and the electronic control platform (1) is respectively connected with the electronic ignition device (5), the stepping mechanism (11) and the coil (15) in the opening and closing mechanism (9); the space in the cavity of the front spray pipe (7) and the barrel (2) is communicated by an air guide hole (8), and the air guide hole (8) is positioned in front of all the shots (3) in the shot launching direction when not launched; in the opening and closing mechanism (9), a stepping mechanism (11) is arranged on the outer side of an opening and closing structure chamber (12), and the inner side of the opening and closing structure chamber comprises a limiting piston (13), a return spring (16), a magnetic material baffle (17) and a valve structure (18) which are sequentially arranged; an electromagnetic valve (14) is installed behind the limiting piston (13), the electromagnetic valve (14) is wound by a coil (15) and is connected with the electronic control platform (1) through a signal transmission line (10), a return spring (16) is connected behind the limiting piston (13), the return spring (16) tightly presses the magnetic material baffle (17), and the magnetic material baffle (17) is connected with a valve structure (18) through a connecting rod; the valve structure (18) is positioned above the air guide hole (8) and the valve structure (18) blocks the air guide hole (8) when not working.

2. The front nozzle type electromagnetic recoil reducing device as claimed in claim 1, wherein: when current is applied to the coil (15), magnetism is generated and the magnetic pole is attracted to the magnetic material shield (17).

3. The front nozzle type electromagnetic recoil reducing device as claimed in claim 1, wherein: the preposed spray pipe (7) is an expansion spray pipe.