CN2656930Y

CN2656930Y - 78 type platform force less cannon inner bore cannon and its analogue cannon ball

Info

Publication number: CN2656930Y
Application number: CN 200320114314
Authority: CN
Inventors: 罗林桂
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-12-04
Filing date: 2003-12-04
Publication date: 2004-11-17
Anticipated expiration: 2013-12-04

Abstract

The utility model relates to a 78 style inner bore gun of recoilless gun and a simulated filled projectile of the gun, which is an assembled inner bore gun of recoilless gun that is operated using the aiming and shooting system of recoilless gun that stimulated shoots according to procedures and methods of firing practice and improves integral command performance and shooting performance of artillery class. The utility model has the advantages of extending lowly of the trajectory, having a high precision of straight shot, stimulating recoilless gun and injecting flames backwards in launching process, flying stably of shell, displaying vividly of sound, light and smoke, being prepared simply and quickly of shooting, reversely bouncing reliably of simulated filled projectile, being convenient for recovery, having a high repeated use rate and having a lower shooting cost, being with no wearing to equipment artillery, being structured simply and reliably and being convenient for maintenance and repair.

Description

78 formula recoilless gun internal bore cannon and imitating shells thereof

One, technical field:

The utility model relates to a kind of 78 formula recoilless gun internal bore cannon and imitating shells thereof, it is the cover thorax in the recoilless gun of packing into, utilize the aiming and the trigger system of recoilless gun to operate, program and method by ball firing are carried out simulated gunnery, improve the simulated gunnery equipment of whole commander of artillery detachment and shooting technical ability.

Two, background technology:

The imitating shell of the usefulness of recoilless gun training at present, be and the cast iron shell of live shell profile, size and weight basically identical, though can simulate ball firing, fire accuracy is low, and shooting is prepared complicated, needs interim assembling gunpowder, and general gunner is difficult to grasp.

Three, summary of the invention:

The purpose of this utility model is to provide a kind of fire accuracy height, simulation is strong, demonstration is true to nature, shooting is with low cost, the protection-gear cannon is not frayed; artillery detachment can carry out the rehearsal of full class by the program and the method for ball firing, improves gunnery training equipment---the 78 formula recoilless gun internal bore cannon and the imitating shells thereof of whole commander and shooting technical ability.

The utility model is to realize above-mentioned purpose like this.Internal bore cannon is realized coaxial with 82 millimeters recoilless gun axis of the bores of formula in 1978 with muzzle brake bourrelet and breech centering projection; High pressure transmitting tube blind nut is located imitating shell in thorax, the size of blind nut flame (gas) hole control internal bore cannon rear jet.During emission the part powder gases at a high speed backward ejection and part powder gases impact the muzzle brake antetheca forward, the preshoot momentum of generation and the back seat momentum of cannon are cancelled out each other and are reached balance and realize recoilless.Its concrete technical scheme is: a kind of 78 formula recoilless gun internal bore cannon and imitating shells thereof, it is characterized in that: A: internal bore cannon is made up of muzzle brake, mistake circle, pillar, guard ring, barrel, packing ring, breech, muzzle brake, mistake circle are screwed in the pillar front end, barrel and pillar spin and are fastening with guard ring, packing ring is placed on the barrel rear end screw thread columnar portion before, and breech is screwed in the barrel rear end.B: imitating shell is made up of firing pin, blank cartridge, a spiral shell, inertia tube, body, projectile tail, card elastic claw, card elastic claw spring, jump ring, basic pencil, high pressure transmitting tube, blind nut; Firing pin is screwed in a spiral shell front end, the inertia tube is arranged in a spiral shell, blank cartridge places the inertia tube, body front end rotary joint spiral shell, the rear end projectile tail that spins, projectile tail rear end tenon insert in the mesopore before the transmitting tube and are fixed by the card elastic claw, card elastic claw, card elastic claw spring are arranged in the card elastic claw hole of transmitting tube front end side successively, groove is overlapping jump ring outside the hole, and basic pencil is arranged in transmitting tube, and blind nut is screwed in the tail end of transmitting tube.

Muzzle brake of the present utility model is big side opening impact type single chamber muzzle brake, is the boundary with muzzle brake side center line, on the side opening area greater than down.

The high pressure transmitting tube of imitating shell of the present utility model is provided with steam vent.

The fire jetting hole of regulating flame tolerance antibacklass is arranged on the blind nut of imitating shell of the present utility model.

Advantage of the present utility model is: can realize that artillery detachment carries out the rehearsal of full class by the ball firing method, improves whole commander and shooting technical ability; The trajectory flatness, distribution is little, fire accuracy is high; Can simulate " 82 do not have " flame backward during emission; The shell flight stability, hit energy sounding, light, cigarette show point of impact; Use standard emission pencil, self-contained one bullet of firing only needed for 20 seconds; Shooting is prepared rapidly simple; The imitating shell bounce-back is jumped reliable, is convenient to reclaim, and reuses, and the shooting cost is low, and volume is little, and is in light weight, simple and reliable for structure, is convenient to care and maintenance.

Four, description of drawings:

Fig. 1 is the utility model internal bore cannon schematic diagram;

Fig. 2 is the imitating shell schematic diagram.

Among the figure: 1, muzzle brake; 2, cross circle; 3, pillar; 4, guard ring; 5, barrel; 6, packing ring; 7, breech; 8, firing pin; 9, blank cartridge; 10, a spiral shell; 11, inertia tube; 12, body; 13, projectile tail; 14, card elastic claw; 15, card elastic claw spring; 16, jump ring; 17, basic pencil; 18, high pressure transmitting tube; 19, blind nut.

Five, the specific embodiment:

As shown in Figure 1, internal bore cannon: be used to take up and the launching simulation bullet, the protection-gear cannon is not frayed.By single chamber muzzle brake 1, cross enclose 2, pillar 3, guard ring 4, barrel 5, packing ring 6, breech 7 form, muzzle brake is big side opening impact type single chamber muzzle brake, is the boundary with muzzle brake side center line, on the side opening area greater than descending.Main effect is that the guiding powder gases is discharged to proceeds posterolateral through side opening, and the system of generation is moved back power and produced downward making a concerted effort and prevents that gun muzzle from upwards beating.Muzzle brake is screwed in the front end of pillar, crosses on the columnar portion of snare after pillar front end screw thread, and the rear end of pillar is rotatably connected in the front end of barrel and uses guard ring fastening, and breech is screwed in the rear end of barrel, and packing ring places on the barrel rear end screw thread columnar portion before.Muzzle brake is combined as a whole before breech, and muzzle brake is positioned at " 82 do not have " gun muzzle front end, encloses breech excessively and places in " 82 do not have " barrel.

As shown in Figure 2, imitating shell: be used to simulate live shell and shoot, form by bullet and high-voltage tube two parts.

Bullet is used to simulate ball firing, and sound during shooting, light, cigarette show.Form by firing pin 8, blank cartridge 9, a spiral shell 10, inertia tube 11, body 12, projectile tail 13.Firing pin is screwed in a spiral shell front end, and the inertia tube is arranged in a spiral shell, and blank cartridge places the inertia tube, body front end rotary joint spiral shell, the rear end projectile tail 13 that spins.

The high pressure transmitting tube is made up of card elastic claw 14, card elastic claw spring 15, jump ring 16, basic pencil 17, high pressure transmitting tube 18, blind nut 19.Card elastic claw, card elastic claw spring are arranged in the card elastic claw hole of high pressure transmitting tube front end side successively, and groove is overlapping jump ring outside the hole, and basic pencil is arranged in the high pressure transmitting tube, and blind nut is screwed in the tail end of high pressure transmitting tube.Preshot inserts the protruding bamboo shoot in bullet rear end in the high pressure transmitting tube front end mesopore.

In the shooting, propellant powder rapid burning in the high pressure transmitting tube produces gases at high pressure and discharges from side opening, reduces to low pressure in the internal bore cannon gun tube, promotes bullet and flies to target.The high-low pressure emission principle is that mainly gunpowder can fully burn under high voltage state, low pressure enters internal bore cannon can guarantee safety, can make artillery simulators reduce intensity again, reduces quality and cost.

The basic process that shooting is prepared and launched.1, the shooting of internal bore cannon is prepared: pillar, barrel, guard ring, packing ring, breech are combined as a whole, cross snare in the pillar front end, from the rear insert in " 82 do not have " barrel and before shift the location onto, muzzle brake is aligned the internal bore cannon pillar and screws from " 82 do not have " gun muzzle, internal bore cannon is fastened in " 82 do not have " barrel and makes muzzle brake top graticule align groove on gun muzzle.2, the shooting of imitating shell is prepared: screw off firing pin and insert 1 56 formula blank cartridge in the inertia tube, screw firing pin, screw off blind nut, insert 1 82 mortar projectile and launch pencil substantially in the high pressure transmitting tube, screw on blind nut.3, Fa She basic process: with the imitating shell internal bore cannon of packing into, shut breech block, utilize the sighting system of " 82 do not have " to implement aiming, withhold percussion lock, make the firing pin bump propellant powder fire in a stove before fuel is added, powder burning, gas sprays from the tail pipe flash hole, promotes the imitating shell gun muzzle that flies out at a high speed, during hit, the inertia tube promotes blank cartridge bump firing pin, blank cartridge is got angry, and gas from the beginning spiral shell spout sprays forward, makes imitating shell send explosive sound and light and cigarette, and the generation reaction force, make imitating shell can not invade target and rebound and jump out.

Claims

1, a kind of 78 formula recoilless gun internal bore cannon and imitating shells thereof, it is characterized in that: A: internal bore cannon is made up of muzzle brake, mistake circle, pillar, guard ring, barrel, packing ring, breech, muzzle brake, mistake circle are screwed in the pillar front end, barrel and pillar spin and are fastening with guard ring, packing ring is placed on the barrel rear end screw thread columnar portion before, and breech is screwed in the barrel rear end.B: imitating shell is made up of firing pin, blank cartridge, a spiral shell, inertia tube, body, projectile tail, card elastic claw, card elastic claw spring, jump ring, basic pencil, high pressure transmitting tube, blind nut.Firing pin is screwed in a spiral shell front end, the inertia tube is arranged in a spiral shell, blank cartridge places the inertia tube, body front end rotary joint spiral shell, the rear end projectile tail that spins, projectile tail rear end tenon insert in the mesopore before the transmitting tube and are fixed by the card elastic claw, card elastic claw, card elastic claw spring are arranged in the card elastic claw hole of transmitting tube front end side successively, groove is overlapping jump ring outside the hole, and basic pencil is arranged in transmitting tube, and blind nut is screwed in the tail end of transmitting tube.

2,78 formula recoilless gun internal bore cannon and imitating shells thereof according to claim 1 is characterized in that: muzzle brake side opening area is greater than following with the center line in the boundary.

3,78 formula recoilless gun internal bore cannon and imitating shells thereof according to claim 1 is characterized in that: establish steam vent on the high pressure transmitting tube of imitating shell.

4,78 formula recoilless gun internal bore cannon and imitating shells thereof according to claim 1 is characterized in that: the fire jetting hole of regulating flame tolerance antibacklass is arranged on the blind nut of imitating shell.