CN111561836A

CN111561836A - Hydraulic drive axial artillery wiping machine and method

Info

Publication number: CN111561836A
Application number: CN202010424937.7A
Authority: CN
Inventors: 唐建敏; 房汝建; 黄亮
Original assignee: Changzhou Institute of Technology
Current assignee: Changzhou Institute of Technology
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-08-21

Abstract

The invention discloses a hydraulically-driven axial artillery wiping machine and a method. The gun cleaning machine comprises a hydraulic drive cleaning head, wherein the hydraulic drive cleaning head comprises a driving oil cylinder, a brake oil cylinder and a cleaning assembly, the cleaning assembly is fixedly connected with a driving oil cylinder shell, the brake oil cylinder is fixed on a driving shaft, and the driving shaft is braked by the contact of a brake piece and the inner wall of a gun barrel; or the brake cylinder is fixedly connected with the driving cylinder shell, the wiping assembly is fixed on the driving shaft and comprises a front wiping assembly arranged on the front side of the wiping assembly and a rear wiping assembly arranged on the rear side of the wiping assembly, and the driving cylinder shell is braked by the contact of the brake piece and the inner wall of the gun barrel. The invention can remove the metal particles and gunpowder residues remained on the surface of the inner bore of the artillery and automatically coat rust-proof oil, and has the advantages of light weight, compact structure, high automation degree and high efficiency.

Description

Hydraulic drive axial artillery wiping machine and method

Technical Field

The invention belongs to the technical field of pipeline cleaning devices, and particularly relates to a hydraulically-driven automatic cleaning device for a gun barrel.

Background

When the cannon is used, in order to establish high chamber pressure, the cannon shell and the bore are required to be tightly matched, particles and gunpowder residues falling off in the sliding process of the cannon shell in the bore can be adhered to the inner wall of the bore under the action of high-temperature and high-pressure gunpowder fuel gas, if the inner wall of a gun barrel is not cleaned in time, the inner wall of the gun barrel is corroded, the accuracy and the reliability of cannon shell launching are further influenced, the service life of the cannon is seriously influenced, and the bore explosion phenomenon can occur in serious cases. Therefore, when the artillery enters a maintenance stage after being launched, the inner wall of the barrel of the artillery must be cleaned, and a layer of anti-rust oil is coated on the inner wall of the bore.

At present, in gun barrel production plants and repair plants, a pull rod type gun barrel wiping machine tool is adopted, a motor and a connecting rod mechanism drive a pull rod to realize reciprocating linear motion, the pull rod is as long as a gun barrel, a cleaning brush is arranged on the pull rod, the automatic gun barrel wiping work is realized by the equipment, but the equipment has the advantages of large floor area, large weight, inconvenience in movement and incapability of being used in army camp. At present, the cleaning work of the bore is carried out by pushing and pulling the poker by a plurality of soldiers in the army, the method consumes manpower and has low efficiency, and the method can not meet the operational requirements of modern high-tech wars. Therefore, a bore cleaning device which has high cleaning efficiency and high automation degree and can meet the requirements of high-tech battlefield is urgently needed.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a hydraulic drive axial artillery wiping machine and a method.

The technical scheme adopted by the invention is as follows:

the hydraulically-driven axial artillery wiping machine comprises a hydraulically-driven wiping head, wherein the hydraulically-driven wiping head comprises a driving oil cylinder, a braking oil cylinder and a wiping assembly;

the driving oil cylinder comprises a driving oil cylinder shell, a driving shaft and a piston which can reciprocate in the driving oil cylinder shell along the extension direction of the gun barrel, the piston is connected with the driving shaft, and the driving shaft is arranged along the extension direction of the gun barrel;

the brake oil cylinders are arranged along the circumferential direction of the driving shaft, a piston rod of each brake oil cylinder is connected with a brake pad, and the brake oil cylinders can drive the brake pads to reciprocate in the radial direction of the driving shaft;

the wiping arrangement is arranged along the circumference of the drive shaft, the wiping arrangement comprising wiping assemblies which are arranged in the circumferential direction;

the wiping assembly is fixedly connected with the driving oil cylinder shell, the brake oil cylinder is fixed on the driving shaft and comprises a front foot brake oil cylinder arranged on the front side of the wiping assembly and a rear foot brake oil cylinder arranged on the rear side of the wiping assembly, and the driving shaft is braked by the contact of a brake disc and the inner wall of the gun barrel; or the brake oil cylinder is fixedly connected with the driving oil cylinder shell, the wiping assembly is fixed on the driving shaft and comprises a front wiping assembly arranged on the front side of the wiping assembly and a rear wiping assembly arranged on the rear side of the wiping assembly, and the driving oil cylinder shell is braked by the contact of the brake disc and the inner wall of the gun barrel.

Furthermore, the hydraulic drive wiping head is driven by a hydraulic system, the hydraulic system comprises an oil tank, a hydraulic pump, a first electromagnetic valve, a constant volume hydraulic pump and a second electromagnetic valve, the oil tank is connected with the hydraulic pump, the hydraulic pump is connected with the brake cylinder through the first electromagnetic valve and the constant volume hydraulic pump on the one hand, and is connected with the drive cylinder through the second electromagnetic valve on the other hand, wherein the output end of the hydraulic pump is provided with a pressure limiting valve, and the input end of the brake cylinder is provided with a hydraulic sensor.

Furthermore, the hydraulic system is arranged in a disc type hydraulic station, the disc type hydraulic station is connected with the hydraulic drive wiping head through a comprehensive pipeline, and the comprehensive pipeline is wound on the disc type hydraulic station.

Furthermore, the wiping assembly is provided with a vacuum dust suction nozzle, an anti-corrosion grease nozzle and a detergent spray nozzle which extend along the radial direction of the driving shaft.

Furthermore, the brake oil cylinder comprises a plurality of oil cylinder monomers, each oil cylinder monomer comprises a shell, a return spring, a brake driving piston and a brake piece, one end of the brake driving piston is sleeved with the return spring and extends into the shell, a brake oil cylinder driving loop is arranged on the driving shaft, the shell is communicated with the brake oil cylinder driving loop, and the brake piece is fixedly mounted at the other end of the brake driving piston.

Furthermore, a magnetic component is arranged on the driving oil cylinder or the braking oil cylinder, and a position sensor is arranged on the driving shaft; or a position sensor is arranged on the driving oil cylinder or the braking oil cylinder, and a magnetic component is arranged on the driving shaft; the magnetic component and the position sensor form a stroke sensing mechanism.

The cannon wiping method of the hydraulically-driven axial cannon wiping machine comprises a plurality of continuously repeated cannon wiping strokes, wherein each cannon wiping stroke comprises a moving process and a wiping process, and the moving process and the wiping process are alternately performed to complete a plurality of times of continuous wiping.

Furthermore, the wiping assembly is fixedly connected with the driving oil cylinder shell, the brake oil cylinder is fixed on the driving shaft and comprises a front foot brake oil cylinder arranged on the front side of the wiping assembly and a rear foot brake oil cylinder arranged on the rear side of the wiping assembly, and the driving shaft is braked by the contact of a brake piece and the inner wall of the gun barrel; assuming that the piston is at the leftmost position of the hydraulic cylinder as an initial position, the method comprises the following steps:

1) when the gun barrel is in an initial position, the brake oil cylinder enables the brake disc to be retracted, and the brake disc is not in contact with the inner wall of the gun barrel, so that the gun barrel is not braked;

2) the piston moves rightwards relative to the hydraulic cylinder, so that the driving shaft drives the brake oil cylinder to move rightwards to finish a moving process;

3) the brake oil cylinder extends the brake piece until the brake piece is abutted against the inner wall of the gun barrel, so that the drive shaft is braked;

4) the piston moves leftwards relative to the hydraulic cylinder, and the driving shaft in a braking state enables the piston to be stationary, so that the hydraulic cylinder is driven to drive the wiping assembly to move rightwards to complete a wiping process;

5) the brake oil cylinder enables the brake disc to be retracted and returns to the initial state;

6) and repeating the steps, so that the moving process and the wiping process are alternately carried out to complete multiple continuous wiping.

Furthermore, the brake oil cylinder is fixedly connected with the driving oil cylinder shell, the wiping assembly is fixed on the driving shaft and comprises a front wiping assembly arranged on the front side of the wiping assembly and a rear wiping assembly arranged on the rear side of the wiping assembly, and the driving oil cylinder shell is braked by the contact of a brake disc and the inner wall of the gun barrel; assuming that the piston is at the leftmost position of the hydraulic cylinder as an initial position, the method comprises the following steps:

2) the piston moves rightwards relative to the hydraulic cylinder, and the friction force exists between the wiping assembly and the inner wall of the gun barrel, so that the oil cylinder is driven to leftwards complete a moving process;

3) the brake oil cylinder extends the brake piece until the brake piece is abutted against the inner wall of the gun barrel, so that the drive oil cylinder is braked;

4) the piston moves leftwards relative to the hydraulic cylinder, at the moment, the braking force of the braking oil cylinder is larger than the friction force between the wiping assembly and the inner wall of the gun barrel, so that the driving shaft drives the wiping assembly to move leftwards to complete a wiping process;

The invention has the following beneficial effects:

the hydraulically-driven axial artillery wiping machine and the method can be used for clearing metal particles and gunpowder residues remained on the surface of the inner bore of the artillery and automatically smearing anti-rust oil, and have the advantages of light weight, compact structure, high automation degree and high efficiency.

Drawings

FIG. 1 is a general block diagram of a hydraulically driven axial artillery cleaning machine;

FIG. 2 is a schematic diagram of a hydraulic system;

FIG. 3 is a schematic view of a wiping head construction;

fig. 4 is a sectional view (brake cylinder) taken along a-a in fig. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3 (vacuum cleaner);

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 3 (grease nozzle);

FIG. 7 is a sectional view taken along the direction D-D in FIG. 3 (detergent nozzle);

FIG. 8 is a schematic view of a driveshaft tube configuration;

FIG. 9 is an assembly view of a hydraulically driven wiping head;

FIG. 10 is a schematic illustration of a single brake cylinder construction;

FIG. 11 is a diagram of the wiping head movement process (step one);

FIG. 12 is a diagram showing the movement of the wiping head (step two);

FIG. 13 is a diagram of the wiping head movement process (step three);

FIG. 14 is a diagram of the wiping head movement process (step four);

FIG. 15 is a block diagram of another embodiment of a hydraulically driven scrub head of the present invention;

fig. 16 is a structural view of yet another embodiment of a hydraulically driven wiping head of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

The present embodiment provides a hydraulically driven axial artillery wiping machine as shown in fig. 1-10.

As shown in figure 1, the hydraulic drive axial artillery cleaning machine mainly comprises a disc type hydraulic station 20, a comprehensive pipeline 30 and a hydraulic drive cleaning head 40. The disc type hydraulic station 20 is integrated with a hydraulic station 20.1, a controller 20.6, a mobile power supply 20.4, a grease pump 20.5, a detergent pump 20.3 and a dust collector 20.2. The integrated pipeline is coiled on the disc type hydraulic station.

The hydraulically driven wiping head 40 is driven by a hydraulic system, and the hydraulic system comprises an oil tank 1 (preferably a closed mailbox), a hydraulic pump 2, a pressure limiting valve 3, a first electromagnetic valve 4 (preferably a two-position electromagnetic valve), a constant volume hydraulic pump 5, a hydraulic sensor 6 and a second electromagnetic valve 10 (preferably a three-position four-way electromagnetic valve) as shown in fig. 2, and is integrated in the disc type hydraulic 20 station. The oil tank 1 is connected with the hydraulic pump 2, the hydraulic pump 2 is connected with the brake cylinder through the first electromagnetic valve 4 and the constant volume hydraulic pump 5 on the one hand, and is connected with the driving cylinder 9 through the second electromagnetic valve 10 on the other hand, wherein the output end of the hydraulic pump 2 is provided with the pressure limiting valve 3, and the input end of the brake cylinder is provided with the hydraulic sensor 6. The disc hydraulic station 20 also incorporates auxiliary systems such as a vacuum cleaner pump, a washing liquid booster pump, and an anti-corrosion oil pump.

The rear foot brake cylinder 7, the front foot brake cylinder 8 and the driving cylinder 9 form a hydraulic driving wiping head. The core of the device is that a driving oil cylinder 9, a front foot braking oil cylinder 8 and a rear foot braking oil cylinder 7 are fixed on a driving shaft of the driving oil cylinder 9 to form a whole, and the whole can move back and forth along the driving shaft under the driving of hydraulic oil.

The whole system can be put into a containing box, and is convenient for field use.

The hydraulic axial wiping head is constructed as shown in figure 3. Each section structure is shown in fig. 4-7, and the section structure along the direction a-a in fig. 3 is shown in fig. 4, mainly showing the structure of the brake cylinder distributed along the circumference; the cross-sectional structure taken along the direction B-B in FIG. 3 is shown in FIG. 5, which mainly shows the structure in which the vacuum cleaning nozzles are circumferentially arranged; the cross-sectional structure along the direction C-C in fig. 3 is shown in fig. 6, which mainly shows the structure of 6 anti-corrosive grease spray nozzles uniformly distributed along the circumference; the cross-sectional structure along the direction D-D in fig. 3 is shown in fig. 7, which mainly shows the structure of 6 detergent spray nozzles uniformly distributed along the circumference.

As shown in fig. 4, the rear foot brake cylinder 7 and the front foot brake cylinder 8 in the present embodiment are each constituted by 6 small brake cylinders uniformly distributed along the circumference.

As shown in fig. 8, in the present embodiment, the driving shaft 9.1 of the driving cylinder 9 integrates 2 hydraulic oil driving circuits 30.2 of the driving

cylinder

9, 1 driving oil path 30.3 of the front foot braking cylinder 8 and the rear

foot braking cylinder

7, 1 electric path 30.1 of the position sensor and the lighting camera, 1 low-pressure vacuum cleaner path 30.6, 1 high-pressure detergent spraying path 30.4, and 1 anti-corrosive grease path 30.5.

In order to ensure the smoothness of an oil-gas passage when the hydraulic drive oil cylinder shell and the drive shaft move mutually, a special oil-gas passage is designed on the drive oil cylinder shell to ensure that the oil-gas passage is always smooth in the whole working stroke of the drive oil cylinder.

The structure of the wiping head is shown in figure 9. The rear foot brake oil cylinder 7 comprises a shell 7.1, a locking plate 7.2, an O-shaped sealing ring 7.3, a locking nut 7.4, a reset spring seat 7.5, a double-semicircular conical locking plate 7.6, a reset spring 7.7, an O-shaped sealing ring 7.8, a brake driving piston 7.9, a detachable brake piece 7.10 and an inner hexagon screw 7.11. The forefoot brake cylinder 8 comprises a shell 8.1, a locking plate 8.2, an O-shaped sealing ring 8.3, a locking nut 8.4, a reset spring seat 8.5, a double-semicircular conical locking plate 8.6, a reset spring 8.7, an O-shaped sealing ring 8.8, a brake driving piston 8.9, a detachable brake piece 8.10 and an inner hexagon screw 8.11. The driving oil cylinder 9 comprises a driving shaft 9.1, a position sensor 9.2, a dustproof sealing ring 9.3, a magnetic rubber ring 9.4, an O-shaped sealing ring 9.5, an O-shaped sealing ring 9.6, a hexagon socket head cap screw 9.7, a sealing ring 9.8, a wiping assembly 9.9, a hydraulic driving cylinder shell 9.10, a sealing ring 9.11 and an illuminating camera 9.12.

The hydraulically driven wiping head 40 of the present embodiment includes a drive cylinder 9, a brake cylinder, and a wiping unit.

The driving oil cylinder 9 comprises a driving oil cylinder shell, a driving shaft 9.1 and a piston which can reciprocate in the driving oil cylinder shell along the extension direction of the gun barrel, the piston is connected with the driving shaft 9.1, and the driving shaft 9.1 is arranged along the extension direction of the gun barrel.

A plurality of brake oil cylinders are arranged along the circumferential direction of the driving shaft 9.1, a piston rod of each brake oil cylinder is connected with a brake pad, and the brake oil cylinders can drive the brake pads to reciprocate in the radial direction of the driving shaft 9.1;

the wiping arrangement is arranged in the circumferential direction of the drive shaft 9.1 and comprises a wiping unit 9.9, the wiping unit 9.9 being arranged in the circumferential direction. In this embodiment 6 wiping units 9.9 are circumferentially distributed and mounted on the hydraulic drive cylinder housing 9.10 by means of fasteners 9.7.

The wiping assembly is fixedly connected with the driving oil cylinder shell, the brake oil cylinder is fixed on the driving shaft 9.1 and comprises a front foot brake oil cylinder 8 arranged on the front side of the wiping assembly and a rear foot brake oil cylinder 7 arranged on the rear side of the wiping assembly, and the driving shaft 9.1 is braked by the contact of a brake pad and the inner wall of the gun barrel. The front foot brake oil cylinder 8 and the rear foot brake oil cylinder 7 are provided with 6 sections which are uniformly distributed along the circumference, one end of the cylinder body is fixed with the driving shaft through a clamping groove, and the other end of the cylinder body is pressed by a nut and is fixed with the driving shaft into a whole. The driving shaft channel interface is sealed by an O-shaped sealing ring. The brake cylinders are arranged at two ends of the cylinder body of the driving cylinder, and the friction assembly is driven to be close to the inner wall of the gun barrel under the driving of high-pressure oil during working, so that the movement of the driving cylinder body is stopped.

And the two groups of magnetic rubber rings 9.4 and the position sensor 9.2 form a stroke sensor of the hydraulic driving cylinder.

The structure of a single brake cylinder of the rear foot brake cylinder 7 is shown in fig. 10 and comprises a hexagon socket head cap screw 7.11, a detachable brake disc 7.10, a brake driving piston 7.9, an O-shaped sealing ring 7.8, a return spring 7.7, a double-semicircular conical locking plate 7.6 and a spring seat 7.5; the structure of a single brake cylinder of the front foot brake cylinder 8 is the same as that of a single brake cylinder of the rear foot brake cylinder 7, and the single brake cylinder comprises an inner hexagon screw 8.11, a detachable brake block 8.10, a brake driving piston 8.9, an O-shaped seal ring 8.8, a return spring 8.7, a double-semicircular conical locking plate 8.6 and a spring seat 8.5. One end of the brake driving piston is sleeved with a return spring and extends into the shell, a brake oil cylinder driving loop is arranged on the driving shaft, the shell is communicated with the brake oil cylinder driving loop, and a brake disc is fixedly arranged at the other end of the brake driving piston.

This embodiment also provides a hydraulically driven axial cannon wipe method as shown in figures 11-14. Assuming that the piston is at the leftmost position of the hydraulic cylinder as an initial position, the method comprises the following steps:

1) when the gun barrel is in an initial position, the brake oil cylinder enables the brake disc to be retracted, and the brake disc is not in contact with the inner wall of the gun barrel, so that the gun barrel is not braked; at this point, the piston of the wiper head is at the left end of the cylinder, as shown in FIG. 11;

2) the piston moves rightwards relative to the hydraulic cylinder, so that the driving shaft 9.1 drives the brake cylinder to move rightwards to finish a moving process; the state when the piston moves to the right end of the hydraulic cylinder is shown in fig. 12;

3) the brake oil cylinder extends the brake disc until the brake disc is abutted against the inner wall of the gun barrel, and the piston is locked to realize the braking of the driving shaft 9.1; as shown in fig. 13;

4) the piston moves leftwards relative to the hydraulic cylinder, and the driving shaft 9.1 in a braking state enables the piston to be stationary, so that the hydraulic cylinder is driven to drive the wiping assembly to move rightwards to complete a wiping process; as shown in fig. 14;

5) the brake oil cylinder retracts the brake block, stops working, and enables the front foot and the rear foot to be separated from the pipe wall and return to the initial state; as shown in fig. 11;

6) and repeating the steps, driving the front foot and the rear foot to continuously move rightwards by the hydraulic cylinder, and thus alternately performing the moving process and the wiping process to finish continuous wiping for multiple times.

Example two

The structure principle of the hydraulic drive axial artillery cleaning machine is basically the same as that of the hydraulic drive axial artillery cleaning machine, and the main difference is that the oil cylinder combination mode of the cleaning head is different. In the first embodiment, the hydraulic drive wiping head is combined in a manner that the brake cylinder and the drive shaft are fixed together, and in the second embodiment, the brake cylinder and the hydraulic drive cylinder shell are fixed together.

The first embodiment has the structural characteristics that a brake cylinder of the hydraulic drive wiping head is combined with a driving shaft 9.1 into a whole, and a wiping assembly 9.9 is assembled on a hydraulic drive cylinder shell 9.10; the structural characteristics of the embodiment are that the brake cylinder of the hydraulic drive wiping head is combined with the hydraulic drive cylinder shell 9.10 into a whole, and the wiping assembly 9.9 is assembled on the driving shaft 9.1.

As shown in fig. 15, the hydraulically driven wiping head 40 of the present embodiment includes a drive cylinder 9, a brake cylinder, and a wiping unit.

the wiping arrangement is arranged in the circumferential direction of the drive shaft 9.1 and comprises a wiping unit 9.9, the wiping unit 9.9 being arranged in the circumferential direction.

The brake oil cylinder is fixedly connected with the driving oil cylinder shell, the wiping assembly is fixed on the driving shaft 9.1 and comprises a front wiping assembly arranged on the front side of the wiping assembly and a rear wiping assembly arranged on the rear side of the wiping assembly, and the driving oil cylinder shell is braked by the contact of a brake piece and the inner wall of the gun barrel.

The embodiment also provides a hydraulic drive axial artillery wiping method. Assuming that the piston is at the leftmost position of the hydraulic cylinder as an initial position, the method comprises the following steps:

4) the piston moves leftwards relative to the hydraulic cylinder, at the moment, the braking force of the braking oil cylinder is larger than the friction force between the wiping assembly and the inner wall of the gun barrel, so that the driving shaft (9.1) drives the wiping assembly to move leftwards to complete a wiping process;

EXAMPLE III

As shown in fig. 16, the structure of the hydraulic drive axial artillery wiping machine of the present embodiment is basically the same as that of the second embodiment, and the structural features of the present embodiment are the same as those of the second embodiment, i.e., the brake cylinder of the hydraulic drive wiping head is combined with the hydraulic drive cylinder housing 9.10 as a whole, and the wiping unit 9.9 is assembled to the drive shaft 9.1. What is different is that the two brake cylinders in the second embodiment are disposed on the same side of the driving cylinder, and the brake cylinders of this embodiment are disposed on both sides of the driving cylinder.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention, such as different numbers of brake cylinders, different combinations of different auxiliary functional components, etc., should be included within the protection scope of the present invention.

Claims

1. Hydraulic drive axial artillery wiping machine which is characterized in that: the hydraulic wiping device comprises a hydraulic driving wiping head (40), wherein the hydraulic driving wiping head (40) comprises a driving oil cylinder (9), a brake oil cylinder and a wiping assembly;

the driving oil cylinder (9) comprises a driving oil cylinder shell, a driving shaft (9.1) and a piston which can reciprocate in the driving oil cylinder shell along the extension direction of the gun barrel, the piston is connected with the driving shaft (9.1), and the driving shaft (9.1) is arranged along the extension direction of the gun barrel;

a plurality of brake oil cylinders are arranged along the circumferential direction of the driving shaft (9.1), a piston rod of each brake oil cylinder is connected with a brake pad, and the brake oil cylinders can drive the brake pads to reciprocate in the radial direction of the driving shaft (9.1);

the wiping arrangement is arranged in the circumferential direction of the drive shaft (9.1), the wiping arrangement comprising a wiping pack (9.9), the wiping pack (9.9) being arranged in the circumferential direction;

the wiping assembly is fixedly connected with the driving oil cylinder shell, the brake oil cylinder is fixed on a driving shaft (9.1), and comprises a front foot brake oil cylinder (8) arranged on the front side of the wiping assembly and a rear foot brake oil cylinder (7) arranged on the rear side of the wiping assembly, and the driving shaft (9.1) is braked by the contact of a brake disc and the inner wall of the gun barrel; or the brake oil cylinder is fixedly connected with the driving oil cylinder shell, the wiping assembly is fixed on the driving shaft (9.1), the brake oil cylinder comprises a front wiping assembly arranged on the front side of the wiping assembly and a rear wiping assembly arranged on the rear side of the wiping assembly, and the driving oil cylinder shell is braked by the contact of the brake piece and the inner wall of the gun barrel.

2. The hydraulically driven axial artillery wiping machine of claim 1, characterized in that: the hydraulic drive wiping head (40) is driven by a hydraulic system, the hydraulic system comprises an oil tank (1), a hydraulic pump (2), a first electromagnetic valve (4), a constant volume hydraulic pump (5) and a second electromagnetic valve (10), the oil tank (1) is connected with the hydraulic pump (2), the hydraulic pump (2) is connected with a brake cylinder through the first electromagnetic valve (4) and the constant volume hydraulic pump (5) on one hand, and is connected with a driving cylinder (9) through the second electromagnetic valve (10) on the other hand, wherein the output end of the hydraulic pump (2) is provided with a pressure limiting valve (3), and the input end of the brake cylinder is provided with a hydraulic sensor (6).

3. The hydraulically driven axial artillery wiping machine of claim 2, characterized in that: the hydraulic system is arranged in a disc type hydraulic station (20) which is connected with a hydraulically driven wiping head (40) through a comprehensive pipeline (30), and the comprehensive pipeline (30) is wound on the disc type hydraulic station (20).

4. The hydraulically driven axial artillery wiping machine of claim 1, characterized in that: the wiping assembly is provided with a vacuum dust suction nozzle, an anti-corrosion grease nozzle and a cleaning agent spray nozzle which extend along the radial direction of the driving shaft (9.1).

5. The hydraulically driven axial artillery wiping machine of claim 1, characterized in that: the brake oil cylinder comprises a plurality of oil cylinder monomers, each oil cylinder monomer comprises a shell, a return spring, a brake driving piston and a brake piece, one end of the brake driving piston is sleeved with the return spring and extends into the shell, a brake oil cylinder driving loop is arranged on the driving shaft, the shell is communicated with the brake oil cylinder driving loop, and the brake piece is fixedly mounted at the other end of the brake driving piston.

6. The hydraulically driven axial artillery wiping machine of claim 1, characterized in that: a magnetic component is arranged on the driving oil cylinder (9) or the braking oil cylinder, and a position sensor is arranged on the driving shaft (9.1); or a position sensor is arranged on the driving oil cylinder (9) or the braking oil cylinder, and a magnetic component is arranged on the driving shaft (9.1); the magnetic component and the position sensor form a stroke sensing mechanism.

7. A method for wiping a gun as defined in any one of claims 1 to 6, wherein: the gun wiping device comprises a plurality of continuously repeated gun wiping strokes, wherein each gun wiping stroke comprises a moving process and a wiping process, and the moving process and the wiping process are alternately carried out to complete a plurality of times of continuous wiping.

8. A cannon wiping method according to claim 1, characterized in that: the wiping assembly is fixedly connected with the driving oil cylinder shell, the brake oil cylinder is fixed on a driving shaft (9.1), and comprises a front foot brake oil cylinder (8) arranged on the front side of the wiping assembly and a rear foot brake oil cylinder (9) arranged on the rear side of the wiping assembly, and the driving shaft (9.1) is braked by the contact of a brake pad and the inner wall of the gun barrel; assuming that the piston is at the leftmost position of the hydraulic cylinder as an initial position, the method comprises the following steps:

2) the piston moves rightwards relative to the hydraulic cylinder, so that the driving shaft (9.1) drives the brake cylinder to move rightwards to finish a moving process;

3) the brake oil cylinder extends the brake disc until the brake disc is abutted against the inner wall of the gun barrel, so that the drive shaft (9.1) is braked;

4) the piston moves leftwards relative to the hydraulic cylinder, and the driving shaft (9.1) in a braking state enables the piston to be stationary, so that the hydraulic cylinder is driven to drive the wiping assembly to move rightwards to finish a wiping process;

9. A cannon wiping method according to claim 1, characterized in that: the brake oil cylinder is fixedly connected with the driving oil cylinder shell, the wiping assembly is fixed on a driving shaft (9.1), the brake oil cylinder comprises a front wiping assembly arranged on the front side of the wiping assembly and a rear wiping assembly arranged on the rear side of the wiping assembly, and the driving oil cylinder shell is braked by the contact of a brake disc and the inner wall of the gun barrel; assuming that the piston is at the leftmost position of the hydraulic cylinder as an initial position, the method comprises the following steps: