CN218002313U - Pneumatic artillery chamber-cleaning machine suitable for 70mm and 90mm rocket artillery - Google Patents

Abstract

The utility model discloses a pneumatic artillery chamber wiping machine suitable for 70mm and 90mm rocket artillery, which comprises a gas cylinder, a pressure reducing valve, a sliding switch, a gas pipe, a pneumatic motor, a gun brush and a gas gun, wherein one end of the pressure reducing valve is connected with the gas outlet of the gas cylinder, the other end of the pressure reducing valve is connected with the gas pipe through the sliding switch, one end of the gas pipe far away from the sliding switch is connected with the rear end of the pneumatic motor, the front end of the pneumatic motor is connected with the gun brush in a driving way, and the gas gun is used for dust blowing work after chamber wiping is completed; the product has the advantages of high automation, thorough cleaning, convenient carrying, low use requirement and wide use range.

Description

Pneumatic artillery chamber-cleaning machine suitable for 70mm and 90mm rocket artillery

Technical Field

The utility model belongs to the technical field of the clean maintenance of artillery barrel, specifically be a pneumatic artillery chamber cleaning machine who is suitable for 70mm, 90mm rocket artillery.

Background

After the gun is shot, as the gun barrel is in a high-temperature and high-pressure environment, residues generated by gunpowder emission and combustion can be adhered to the inner wall of the gun barrel to form carbon deposition and copper hanging (part of the residues also comprise nylon ammunition strips). If the residues are not scrubbed in time, the normal movement of the projectile in the barrel is influenced, the barrel is abraded, the shooting precision of the artillery is reduced, and even accidents are caused. Therefore, the cleaning and maintenance of the gun barrel is extremely important. The inner space of the small-caliber gun body is narrow and the inner surface is complex, so that the complex inner surface is difficult to clean in a narrow and long pipeline. At present, in military in China and countries around the world, cleaning and maintenance of artillery barrels are mainly completed manually, and some semi-automatic and automatic wiping devices are recently appeared.

However, the manual and manual wiping fighter needs to repeatedly take out the washing brush from the bore and repeatedly dip the wiping reagent, which wastes time and labor, usually takes 5 to 7 hours to complete the wiping, reduces the working efficiency of the firearms, increases the labor intensity, increases the danger, and can not effectively and thoroughly clean the middle part and the deep part of the bore of the cannon with a long small-caliber cannon barrel; the automatic low application range of the semi-automatic product is not wide; the automatic wiping device is not thoroughly cleaned, is inconvenient to carry, has a single applicable caliber, is not suitable for severe environments, has high requirements on energy and power, is limited in quantity in military and is not widely used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic gun who is suitable for 70mm, 90mm rocket gun wipes thorax machine to solve the problem that proposes in the above-mentioned background art.

The utility model adopts the technical scheme as follows:

the pneumatic artillery chamber cleaning machine suitable for 70mm and 90mm rocket artillery comprises an air bottle, a pressure reducing valve, a sliding switch, an air pipe, a pneumatic motor, a gun brush and an air gun, wherein one end of the pressure reducing valve is connected with an air outlet of the air bottle, the other end of the pressure reducing valve is connected with the air pipe through the sliding switch, one end, far away from the sliding switch, of the air pipe is connected with the rear end of the pneumatic motor, the front end of the pneumatic motor is connected with the gun brush in a driving mode, and the air gun is used for cleaning chambers and blowing dust after the chambers are cleaned.

Preferably, the pneumatic motor comprises an outer barrel, a front plug is arranged at the front end of the outer barrel, a rear plug is arranged at the rear end of the outer barrel, a piston is arranged in the outer barrel, the piston is of a cylindrical structure, two transverse through holes are formed in the circumferential surface of the piston, two vertical through holes which are respectively communicated with the two transverse through holes are formed in the center of the side surface of the piston, two pin shafts are arranged in the transverse through holes, a steel ball is arranged between the two pin shafts, and the steel ball is located at the communication position of the transverse through holes and the vertical through holes.

Preferably, one end, far away from the steel ball, in the vertical through hole is sealed through a plug.

Preferably, a mandrel passes through the front plug and penetrates through the piston.

Preferably, the central axes of the front plug, the piston, the rear plug and the mandrel are on the same straight line.

Preferably, the front end of the front plug is provided with a joint, and the ventilation plug and the rubber pad are sequentially arranged between the joint and the mandrel.

Preferably, the front end of the side wall of the outer barrel is provided with a plurality of front exhaust holes, the rear end of the side wall of the outer barrel is provided with a plurality of rear exhaust holes, and the front exhaust holes and the rear exhaust holes are distributed in an annular array.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model can brush and remove stubborn attachments, copper, gunpowder residues and oil dirt of the rocket gun barrel of 70 and 90mm, prevent gun bore blockage, corrosion and abrasion, improve shot shooting precision, improve the working efficiency of a gun hand, reduce labor intensity and reduce danger, and can effectively and thoroughly clean the middle part and the deep part of the gun bore with a long small-diameter gun barrel; the product has the advantages of high automation, thorough cleaning, convenient carrying, low use requirement and wide use range.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the pneumatic motor of the present invention;

in the figure: 1. a gas cylinder; 2. a pressure reducing valve; 3. a slide switch; 4. an air pipe; 5. a pneumatic motor; 51. an outer cylinder; 52. a front plug; 53. a rear plug; 54. a piston; 55. a transverse through hole; 56. a pin shaft; 57. a vertical through hole; 58. a steel ball; 59. plugging by screwing; 510. a mandrel; 511. a rubber pad; 512. ventilating and blocking; 513. a joint; 514. a front vent hole; 515. a rear exhaust vent; 6. brushing the cannon; 7. an air gun.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1:

the embodiment provides a concrete structure of a pneumatic artillery chamber cleaning machine suitable for 70mm and 90mm rocket artillery, and as shown in fig. 1-2, the pneumatic artillery chamber cleaning machine comprises an air bottle 1, a pressure reducing valve 2, a sliding switch 3, an air pipe 4, a pneumatic motor 5, a gun brush 6 and an air gun 7, wherein one end of the pressure reducing valve 2 is connected with an air outlet of the air bottle 1, the other end of the pressure reducing valve is connected with the air pipe 4 through the sliding switch 3, one end of the air pipe 4 far away from the sliding switch 3 is connected with the rear end of the pneumatic motor, the front end of the pneumatic motor 5 is in driving connection with the gun brush 6, and the air gun 7 is used for blowing dust after the chamber cleaning is completed.

Further, the pneumatic motor 5 includes an outer cylinder 51, a front plug 52 is disposed at the front end of the outer cylinder 51, a rear plug 53 is disposed at the rear end of the outer cylinder 51, a piston 54 is disposed in the outer cylinder 51, the piston 54 is of a cylindrical structure, two transverse through holes 55 are disposed on the circumferential surface of the piston, two vertical through holes 57 respectively communicated with the two transverse through holes 55 are disposed at the center of the side surface of the piston, two pin shafts 56 are disposed in the transverse through holes 55, a steel ball 58 is disposed between the two pin shafts 56, and the steel ball 58 is located at a communication position where the transverse through holes 55 are communicated with the vertical through holes 57.

Further, one end of the vertical through hole 57 far away from the steel ball 58 is sealed by a plug 59.

Further, a mandrel 510 is disposed through the front plug 52, and the mandrel 510 passes through the piston 54.

Furthermore, the central axes of the front plug 52, the piston 54, the rear plug 53 and the mandrel 510 are on the same straight line.

Further, the front end of the front plug 52 is provided with a joint 513, and an air plug 512 and a rubber pad 511 are sequentially arranged between the joint 513 and the mandrel 510.

Further, a plurality of front exhaust holes 514 are formed in the front end of the side wall of the outer cylinder 51, a plurality of rear exhaust holes 515 are formed in the rear end of the side wall, and the plurality of front exhaust holes 514 and the plurality of rear exhaust holes 515 are distributed in an annular array.

Wherein, the pneumatic motor 5 adopts the modularized design, convenient operation, and the maintenance is simple. The pneumatic artillery chamber-cleaning machine is driven to rotate in the gun barrel by adopting air source vibration and spirally-arranged brush hairs, and the chamber-cleaning task is completed by the pneumatic artillery chamber-cleaning machine rotating in the gun barrel and vibrating to move forward or backward. The product has small volume, light weight and portability, and can be operated by a single soldier. The design that brush head is removable, the big gun brush 6 many specifications diversification (can the personalized customization), and the big gun barrel of different bores can be realized cleaning to the big gun brush 6 of a different specification of equipment change. The pneumatic artillery chamber wiping machine specially designed for the special equipment for maintaining the rocket artillery of the 70mm or 90mm armed helicopter can brush stubborn attachments, copper, gunpowder residues and oil dirt of the rocket artillery barrel of the 70mm or 90mm, prevent the bore from being blocked, rusted and abraded, and improve the shot accuracy of the projectile. The air pressure of the power source of the chamber wiping machine is 0.6-0.8MPa, the special air bottle 1 for the land navigation guarantee can be adopted, the weight is light, the chamber wiping machine can be carried on a vehicle, the carrying is convenient, the modular design is realized, the operation is simple and convenient, and the maintenance is simple; greatly improves the working efficiency, quickly cleans the gun barrel with the middle and small caliber (15-20 m/min), and is suitable for working under any occasion condition.

The pneumatic motor 5 adopts the working principle that compressed gas pushes the piston 54 to vibrate in a short stroke impact manner, the wall of the outer cylinder 51 is provided with a front exhaust hole 514 and a rear exhaust hole 515, the front plug 52 is mechanically provided with an air source connector 513 and a mandrel 510, the mandrel 510 extends into the outer cylinder 51, the mandrel 510 is provided with a blind hole communicated with the air source connector 513, the rear end of the blind hole corresponding to the mandrel 510 is provided with an annular groove, and the annular groove is provided with an air outlet communicated with the blind hole; a plug head of the power mechanism is sleeved on the mandrel 510, a transverse through hole 55 is arranged on the plug head, and a central hole of the plug head is communicated with the middle part of the transverse through hole 55 through a vertical through hole 57; pin shafts 56 are inserted into the front end and the rear end of each transverse through hole 55, and steel balls 58 used for plugging the corresponding transverse through holes 55 are arranged in the middle of each transverse through hole 55; the back plug 53 of the back plug mechanism is provided with a cannon brush 6, and the brush hair of the cannon brush 6 is in a spiral shape. The device adopts the working principle that compressed gas pushes the plug head to impact and vibrate in a short stroke and is matched with the spiral gun brush 6, and the chamber wiping machine can rotate in the gun barrel and vibrate to advance or retreat while completing the chamber wiping task.

Description of the principle: the number of the pin shafts 56 is four, the pin shafts are respectively arranged at two ends of a transverse through hole 55 of the piston 54, steel balls 58 are respectively arranged between the two pin shafts 56, the steel balls 58 play a role in reversing the flowing direction of gas when the steel balls 58 pass through a gas source, the piston 54 is arranged in the outer cylinder 51 with the front exhaust hole 514 and the rear exhaust hole 515 of the pneumatic chamber cleaning machine, grooves at two ends of the piston 54 are sleeved with piston rings for sealing, an O-shaped ring is arranged in the front plug 52, the front plug 52 is screwed into the outer cylinder 51, the piston 54 is arranged in the outer cylinder 51, the O-shaped ring I is sleeved in the core shaft 510 for sealing, the core shaft 510 is arranged in a central hole of the piston 54, the O-shaped ring III is arranged in the rear plug 53 for sealing, and the rear plug 53 is screwed into the other end of the outer cylinder 51.

The power air source is connected with the gun brush 6 through the rear plug 53; the gas pushes the steel ball 58 to move rightwards through the hole of the mandrel 510 to block the hole on the left side of the right pin shaft 56, so that the gas flows out from the hole of the left pin shaft 56 to form a rightwards acting force, and the piston 54 is pushed to move rightwards in the outer cylinder 51 to drive the pneumatic chamber cleaning machine to move forwards; when the piston 54 moves to close the rear exhaust hole 515 on the outer cylinder 51, the right sealed cavity formed by the outer cylinder 51 and the piston 54 cannot exhaust, the piston 54 is blocked from moving rightwards, the front exhaust hole 514 on the outer cylinder 51 is exposed for exhausting, at the moment, the air pressure right side of the sealed cavity formed by the outer cylinder 51 and the piston 54 is greater than that on the left side, the steel ball 58 moves leftwards under the influence of the air pressure of the hole of the right pin 56 to block the hole on the right side of the left pin 56, and the air flows out through the right pin 56 to form a leftward acting force to push the piston 54 to move leftwards in the outer cylinder 51; when the piston 54 moves to close the front exhaust hole 514 on the outer cylinder 51, the left side of the air pressure of a sealed cavity formed by the outer cylinder 51 and the piston 54 is larger than the right side, the steel ball 58 moves rightwards again, and then the piston 54 moves rightwards; in such a reciprocating manner, the gas pushes the piston 54 to impact and vibrate at the head (advancing direction) of the outer cylinder 51 in a short stroke under the combined action of the hole on the pin shaft 56 and the exhaust hole on the outer cylinder 51, so as to drive the whole machine to advance; when the brush head of the pneumatic chamber wiping machine advances through the whole gun barrel, the air pipe 4 is manually pulled backwards, the piston 54 moves to the left end of the outer cylinder 51 under the action of inertia, at the moment, the rear exhaust hole 515 of the outer cylinder 51 exhausts air, and in the principle, when the pneumatic chamber wiping machine advances, the air pressure at the left side of a sealing cavity is greater than the air pressure at the right side, the steel ball 58 moves rightwards, and the piston 54 moves rightwards; when the piston 54 moves to the rear exhaust hole 515 on the closed outer cylinder 51, the steel ball 58 moves leftwards, and the piston 54 moves leftwards, so that the chamber wiping machine is driven to retreat; in such a reciprocating manner, the gas pushes the piston 54 to impact and vibrate at the tail part (backward direction) of the outer cylinder 51 by a short stroke under the combined action of the hole on the pin shaft 56 and the exhaust hole on the outer cylinder 51, so as to drive the whole machine to backward; the front plug 52 is connected with the cannon brushes with different diameters, and the brush heads with different diameters can be replaced to brush away stubborn attachments, copper, gunpowder residues and oil dirt of the barrel body of the rocket cannon with the caliber of 70mm and 90 mm. The brush hair on the brush head is arranged spirally, and then force along the spiral direction of the brush hair is formed when the machine vibrates to drive the machine to rotate, so that the pneumatic bore wiping machine can rotate in the gun barrel and can move forwards or backwards in a vibrating manner to finish the bore wiping task. The gun barrel is rotated forward and backward in a reciprocating way until the gun barrel is brushed cleanly and satisfactorily.

The specific operation method comprises the following steps:

under the condition that a power air source (an air bottle 1) is closed, firstly, a pressure reducing valve 2 is installed, and a pressure regulating knob of the pressure reducing valve 2 is ensured to be in a completely loose state (anticlockwise regulation);

slowly opening the power air source valve, simultaneously slowly rotating the knob of the pressure reducing valve 2 clockwise to adjust the pressure to 0.6-0.8Mpa working pressure, and avoiding the pressure reducing valve 2 by human body in the whole process;

the selected gun brush 6 is connected to a front plug 52 of the pneumatic motor 5 and a reverse nut is screwed to prevent a brush body from falling into a barrel, a rear plug 53 air inlet nozzle (male end) of the pneumatic motor 5 is inserted into a quick plug (female end) of the air pipe 4, the female end of the quick connector is rotated to lock the motor to prevent the motor from falling into the barrel (steel balls of the quick connector need to be aligned with a notch to be taken out), the other female end of the air pipe 4 is connected with the male end of the pressure reducing valve 2, the air pipe 4 and the pressure reducing valve 2 are locked by rotating the female end, and the pneumatic motor 5 and the gun brush 6 are sent to an igniter at the tail part of the barrel together after the correctness is confirmed; after the air pipe 4 is held by hand and all connections are confirmed to be correct, the sliding switch 3 is opened, the chamber wiping work can be carried out, and the following steps are kept in mind: dripping a few drops of lubricating oil (into an air inlet of the pneumatic motor 5) before the motor works;

a chamber wiping process: feeding a pneumatic motor 5 and a screwed gun brush 6 into a barrel; the manual switch at the tail part of the pneumatic motor 5 is turned on, and at the moment, the pneumatic motor 5 starts to vibrate in the barrel and move forwards; when the gun brush 6 reaches the tail end of the barrel, the air pipe 4 is dragged to enable the pneumatic bore-wiping machine to retreat for bore-wiping operation; when the pneumatic motor 5 advances to the head of the barrel, the air pipe 4 is pushed towards the tail end of the gun barrel, so that the chamber wiping machine changes the chamber wiping direction and then advances to the tail end of the barrel again to work repeatedly; until the launching condition is met, the gun brush 6 exits from the bore, the power air source is closed, then the sliding switch 3 is closed, and the bore wiping work is finished;

note: the air pipe 4 can be marked with a striking mark in the process of wiping the chamber, the gun brush 6 is prevented from running out of the barrel, otherwise the vibration of the motor can damage the barrel!

Cleaning igniter (copper removing, rust removing and slag removing): wiping the local part of the cannon brush 6 at the position of the No. 1 barrel igniter repeatedly for 10-15 times (the cannon brush 6 can be pushed to a cannon port for 1-2 times to clean the whole barrel in the period) until the No. 1 barrel igniter meets the ignition condition; turning off a manual switch of the motor, taking out the steel wire brush to send the No. 2 barrel igniter, and starting to clean the No. 2 igniter, and sequentially wiping all the igniters;

note: the process strictly forbids the head of the cannon brush 6 and the motor to touch the igniter so as to avoid damaging the igniter and accessories;

barrel derusting and deslagging: sending the gun brush 6 into the barrel wiping chamber from the muzzle of the No. 1 barrel for 1-2 times, then changing the No. 2 barrel to wipe for 1-2 times, and wiping all the barrels in sequence; then the nylon brush is covered with gauze to perform the reciprocating wiping and cleaning of the barrel for 1 to 2 times; until all the barrels meet the launching condition;

note: the process strictly prohibits the gauze from winding the igniter so as to avoid damaging the igniter and accessories;

and finally, blowing dust by an air gun 7: when the air gun 7 is required to blow air, the air source switch is turned off, the air pipe quick connector is rotated to enable the steel balls to be aligned with the openings, the pneumatic motor 5 is taken down, the air inlet of the air gun 7 is connected into the quick connector of the air pipe 4, the air gun 7 is locked by rotating the quick connector, and the air gun 7 can normally blow dust after all connections are confirmed to be correct;

the conversion head connecting the power air source and the pressure reducing valve 2 is disassembled, the quick connectors of the air pipe 4, the sliding switch 3 and the pneumatic motor 5 are pulled out, the cannon brush 6 is screwed out of the pneumatic motor 5, the cannon brush 6 and the pneumatic motor 5 are cleaned, or the quick connectors of the air pipe 4, the sliding switch 3 and the air gun 7 are pulled out, and all parts are installed at the appointed position in the box. The containing and carrying box is used for cleaning the ground.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a be suitable for 70mm, 90mm rocket gun's pneumatic gun chamber wiping machine which characterized in that: the gas gun comprises a gas cylinder (1), a pressure reducing valve (2), a sliding switch (3), a gas pipe (4), a pneumatic motor (5), a gun brush (6) and a gas gun (7), wherein one end of the pressure reducing valve (2) is connected with a gas outlet of the gas cylinder (1), the other end of the pressure reducing valve is connected with the gas pipe (4) through the sliding switch (3), one end, far away from the sliding switch (3), of the gas pipe (4) is connected with the rear end of the pneumatic motor (5), the front end of the pneumatic motor (5) is connected with the gun brush (6) in a driving mode, and the gas gun (7) is used for wiping dust blowing work after the chamber is completed.

2. The pneumatic artillery chamber-wiping machine suitable for 70mm and 90mm rocket artillery as claimed in claim 1, wherein: the pneumatic motor (5) comprises an outer barrel (51), a front plug (52) is arranged at the front end of the outer barrel (51), a rear plug (53) is arranged at the rear end of the outer barrel, a piston (54) is arranged in the outer barrel (51), the piston (54) is of a cylindrical structure, two transverse through holes (55) are formed in the circumferential surface of the piston, two vertical through holes (57) which are respectively communicated with the two transverse through holes (55) are formed in the center of the side surface of the piston, two pin shafts (56) are arranged in the transverse through holes (55), a steel ball (58) is arranged between the two pin shafts (56), and the steel ball (58) is located at the communication position of the transverse through holes (55) and the vertical through holes (57).

3. The pneumatic artillery rifling machine suitable for 70mm and 90mm rocket guns as in claim 2, wherein: one end of the vertical through hole (57) far away from the steel ball (58) is sealed through a plug (59).

4. The pneumatic artillery chamber-wiping machine suitable for 70mm and 90mm rocket artillery as claimed in claim 2, wherein: a mandrel (510) penetrates through the front plug (52), and the mandrel (510) penetrates through the piston (54).

5. The pneumatic artillery chamber-wiping machine suitable for 70mm and 90mm rocket artillery as claimed in claim 4, wherein: the central axes of the front plug (52), the piston (54), the rear plug (53) and the central axis of the mandrel (510) are on the same straight line.

6. The pneumatic artillery chamber-wiping machine suitable for 70mm and 90mm rocket artillery as claimed in claim 4, wherein: the front end of the front plug (52) is provided with a joint (513), and an air-through plug (512) and a rubber pad (511) are sequentially arranged between the joint (513) and the mandrel (510).

7. The pneumatic artillery rifling machine suitable for 70mm and 90mm rocket guns as in claim 2, wherein: a plurality of front exhaust holes (514) are formed in the front end of the side wall of the outer barrel (51), a plurality of rear exhaust holes (515) are formed in the rear end of the side wall of the outer barrel, and the front exhaust holes (514) and the rear exhaust holes (515) are distributed in an annular array mode.

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