WO2024051176A1 - Dispositif de nettoyage de canon d'artillerie - Google Patents

Dispositif de nettoyage de canon d'artillerie Download PDF

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Publication number
WO2024051176A1
WO2024051176A1 PCT/CN2023/090206 CN2023090206W WO2024051176A1 WO 2024051176 A1 WO2024051176 A1 WO 2024051176A1 CN 2023090206 W CN2023090206 W CN 2023090206W WO 2024051176 A1 WO2024051176 A1 WO 2024051176A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
hole
piston
air supply
air chamber
Prior art date
Application number
PCT/CN2023/090206
Other languages
English (en)
Chinese (zh)
Inventor
陈钦松
Original Assignee
上海韦航装备科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海韦航装备科技有限公司 filed Critical 上海韦航装备科技有限公司
Publication of WO2024051176A1 publication Critical patent/WO2024051176A1/fr

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A29/00Cleaning or lubricating arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A29/00Cleaning or lubricating arrangements
    • F41A29/02Scrapers or cleaning rods

Definitions

  • the present application relates to the technical field of artillery barrel cleaning, and in particular to an artillery barrel cleaning device.
  • Artillery is an important combat weapon in modern warfare. After the artillery barrel is used for a period of time, copper remains in the barrel. If not cleaned in time, subsequent firing accuracy will be affected.
  • the existing cleaning device includes a pneumatic vibrator and a brush fixedly installed at the end of the pneumatic vibrator. After ventilation, the pneumatic vibrator drives the brush to vibrate and crawl inside the body tube. During actual use, copper removal liquid needs to be manually added to the body tube, and then the cleaning device is used to clean the inside of the body tube.
  • this application provides an artillery barrel cleaning device.
  • An artillery barrel cleaning device including a liquid spray component that sprays copper-removing liquid toward the inner wall of the barrel; a cleaning component that is fixed at one end of the liquid spray component away from the liquid spray port for cleaning the inside of the barrel; and a pneumatic vibration component , fixedly installed on the side of the cleaning component away from the liquid spray component, used to drive the cleaning component to vibrate;
  • the pneumatic vibration component includes a ventilation shaft connected to the external air source, and the ventilation shaft has ventilation holes along its axial direction, so
  • the liquid spray assembly includes a watering can body.
  • a connecting seat is provided on one side of the watering can body close to the cleaning assembly for connecting with the cleaning assembly.
  • An extrusion gap is formed in the connecting seat to communicate with the inside of the watering can body.
  • the connecting seat is adjacent to the cleaning assembly.
  • a connection hole is provided on one side of the brush body. One end of the connection hole is connected to the extrusion gap and the other end is connected to the ventilation hole.
  • the connection seat is located in the extrusion gap and is provided with an elastic plug for blocking the connection hole.
  • the cleaning device is inserted into the body tube, and then ventilated into the ventilation shaft.
  • the gas in the ventilation shaft will enter the connecting hole along the ventilation hole, push open the elastic blocking member, and enter the extrusion gap.
  • the copper removal liquid in the watering can body will be sprayed out and showered on the inner wall of the body tube; at the same time, the pneumatic vibration component itself will vibrate, thereby driving the cleaning component to vibrate and crawl inside the body tube, thereby achieving cleaning of the inside of the body tube.
  • Wall cleaning that is, this cleaning device realizes the automatic addition of copper removal liquid, which helps to improve the automation of the device, does not require additional manual addition, and helps to reduce labor costs and labor intensity.
  • the liquid spray assembly further includes a first end cap and a second end cap removably connected to both ends of the watering can body, the connecting seat is removably connected to the first end cap, and the second end cap is provided with There is a nozzle.
  • the connecting seat is first installed on the first end cap, the nozzle is installed on the second end cap, the first end cap is installed on one end of the watering can body, and then the copper removal liquid is poured in inside the watering can body, and then install the second end cap on the other end of the watering can body to assemble the spraying component.
  • the disassembly of the spraying component is convenient for cleaning the interior, and it can be filled in the watering can body later.
  • Protective oil, and then use a brush to apply the protective oil on the inner wall of the body tube to prevent rust.
  • the elastic plugging member is configured as a compression spring and a ball plug fixed at one end of the compression spring.
  • the other end of the compression spring is fixed in the extrusion gap.
  • the expansion direction of the compression spring is square to the length of the connecting hole. Consistently, the ball plug abuts the opening of the connecting hole.
  • the pneumatic vibration assembly includes an actuating cylinder and a piston slidably connected in the actuating cylinder.
  • a through hole is drilled through the middle of the piston.
  • the piston slides on the ventilation shaft using the through hole.
  • the ventilation shaft is There is an air supply port connected to the vent hole in the middle, a first air chamber is formed on the side of the piston and the execution cylinder away from the cleaning assembly, and a second air chamber is formed on the side of the piston and the execution cylinder close to the cleaning assembly.
  • the second air chamber is connected with the connecting hole, the piston is provided with a first air channel connected with the first air chamber and a second air channel connected with the second air chamber, and the piston is located in the through hole with a first air channel connected with the connecting hole.
  • the air supply port in the initial state, is connected to the first air inlet or the second air inlet, and the air is ventilated into the ventilation shaft, and the gas will enter the first air inlet or the second air inlet from the air supply port.
  • the gas In the mouth, taking the first air inlet as an example, the gas will enter the first air chamber at this time, and then give power to the piston to make it move.
  • the air supply port will then be connected to the second air inlet, and again Realize the reverse movement of the piston and the reciprocating cycle, realize the reciprocating motion of the piston, and then realize the vibration effect.
  • the gas in the second air chamber will be squeezed into the connecting hole, realizing Ball plug ejection operation.
  • an air supply channel is provided through the piston, and the air supply channel is connected with the first air chamber and the second air chamber.
  • the piston is located on the inner wall of the through hole and has an air supply port connected with the air supply channel, so The air supply port is located in the middle of the first air inlet and the second air inlet.
  • the air supply channel is located at the air supply port and has a slide with an expanded diameter. Balls are rolling in the slide to block the ends of the slide. department.
  • the gas when the gas enters the first air chamber, the gas will enter the air supply channel from the first air chamber, causing the ball to be blocked at the end of the slide.
  • the gas can From the air supply port, it enters the air supply channel and enters the first air chamber, which again provides power for the movement of the piston; conversely, when the air supply port is connected to the second air chamber, the piston moves in the opposite direction, and at the same time, the high-pressure gas will cause the ball to be blocked.
  • the air supply port is connected to the second air chamber at this time.
  • the air supply port When the air supply port is connected to the air supply port, the gas will enter the second air chamber from the air supply channel and give power to the piston again; adding an air supply channel has It helps to prevent the piston from getting stuck in the middle of the cylinder when the air pressure of the air source is unstable and unable to achieve complete reciprocating motion. That is, the air supply channel is used to give the piston movement power again, which helps to improve the smoothness of the piston movement.
  • the cylinder body of the execution cylinder is provided with a first vent port and a second vent port.
  • the first vent port and the second vent port are One air chamber is connected; when the air supply port is located on the side of the air supply port close to the second air chamber, the second air vent is connected with the second air chamber.
  • the cleaning assembly includes an installation cylinder and a brush installed on the peripheral side of the installation cylinder.
  • the installation cylinder is provided with a connecting rod along its axial direction.
  • One end of the connecting rod is connected to the execution cylinder, and the other end is connected to the connecting seat.
  • the connecting rod is connected with a through hole along its axial direction, and the through hole is connected with the second air chamber and the connecting hole respectively.
  • the pneumatic vibration component when it vibrates, it will drive the installation barrel to vibrate along its axial direction, thereby driving the brush to continuously reciprocate for cleaning operations.
  • the through hole is connected to the second air chamber and the connecting hole, and during ventilation When, the gas will act on the liquid spray component to realize the liquid spray action.
  • the length of the brush is gradually shortened along the direction from both ends of the installation tube toward the middle.
  • the longer brush cannot continuously swing inside the barrel, that is, the cleaning effect is poor.
  • it is located in the middle of the installation barrel to adapt to the barrel.
  • the inner diameter brush can swing back and forth for cleaning, that is, the brush is gradually shortened, which can be adapted to the cleaning operation of pipes with different diameters, which helps to improve the applicability of the cleaning device.
  • the air source ventilates into the ventilation shaft, causing the pneumatic vibration component to drive the brush vibration. At the same time, the gas will push open the elastic plug. Under the action of air pressure, the liquid spray component automatically sprays the copper removal liquid on the inner wall of the body tube, thereby achieving For the cleaning operation of the body tube, this device is used to realize the automatic addition of copper removal liquid, which helps to reduce labor costs and labor intensity;
  • high-pressure gas can be supplied to the first air chamber or the second air chamber during the movement of the piston, which helps to prevent the piston from getting stuck when the air source pressure is unstable, which helps to improve the movement of the piston. time stability;
  • the brushes on the installation barrel are gradually shortened from both sides to the middle.
  • the diameter of the artillery barrel becomes smaller, the longer brush cannot move back and forth.
  • the shorter brush in the middle can play a role in cleaning.
  • the function is to help improve the applicability of the cleaning device.
  • Figure 1 is a schematic diagram of the overall structure of an embodiment of the present application.
  • Figure 2 is a cross-sectional view of the liquid spray assembly in the embodiment of the present application.
  • Figure 3 is a partial enlarged view of part A in Figure 2;
  • Figure 4 is a cross-sectional view of the cleaning assembly in the embodiment of the present application.
  • Figure 5 is a cross-sectional view of the pneumatic vibration assembly in the embodiment of the present application.
  • Figure 6 is a cross-sectional view of the piston in the embodiment of the present application, mainly showing the structure of the air supply channel and the ball.
  • the embodiment of the present application discloses an artillery barrel cleaning device.
  • the artillery barrel cleaning device includes a liquid spray assembly 1 that sprays copper-removing liquid on the inner wall of the barrel, a cleaning assembly 2 that cleans the inner wall of the barrel, and a pneumatic vibration assembly 3 that drives the cleaning assembly 2 to vibrate.
  • the liquid spray assembly 1 , cleaning component 2 and pneumatic vibration component 3 are connected in sequence.
  • the liquid spray assembly 1 includes a watering can body 11 with openings at both ends.
  • a first end cap 12 and a second end cap 13 are threadedly connected to both ends of the watering can body 11.
  • the first end cap 12 is threaded
  • a connecting seat 4 is connected to the cleaning component 2.
  • An extrusion gap 41 is formed in the connecting seat 4 and communicates with the inside of the watering can body 11.
  • a connecting hole 42 is provided on the side of the connecting seat 4 close to the cleaning component 2.
  • the connecting hole The length direction of 42 is consistent with the length direction of the watering can body 11.
  • the connection hole 42 is connected with the extrusion gap 41.
  • connection hole 42 When the external air source supplies air to the pneumatic vibration component 3, high-pressure gas will enter the connection hole 42, and the connection seat 4 is located in the extrusion gap 41.
  • An elastic plug 5 for blocking the connection hole 42 is provided in the pressure gap 41; a sealing gasket is filled between the opening connection of the second end cap 13 and the watering can body 11, and a nozzle is threadedly connected to one of the end caps.
  • a plurality of nozzle holes are provided, and the nozzle holes are arranged obliquely outward, so that when the liquid is sprayed, the copper-removing liquid can adhere to the inner wall of the barrel.
  • the elastic plug 5 is configured as a compression spring 51 with one end fixed in the extrusion gap 41 and a ball plug 52 fixedly connected to the other end of the compression spring 51.
  • the ball plug 52 abuts the opening of the connecting hole 42.
  • the expansion and contraction direction of the compression spring 51 is consistent with the length direction of the connecting hole 42 .
  • the ball plug 52 When high-pressure gas is introduced, the ball plug 52 will be pushed open when the high-pressure gas enters the connecting hole 42, and then the high-pressure gas enters the watering can body 11 from the extrusion gap 41. Under the action of the air pressure, the copper removal liquid will flow from The nozzle sprays out, and when the supply of high-pressure gas is stopped, the ball plug 52 will block the connection hole 42 under the action of the compression spring 51 to prevent the copper removal liquid from flowing back, that is, the copper removal liquid is ejected.
  • the cleaning assembly 2 includes an installation barrel 21 and a brush 22 installed on the peripheral side of the installation barrel 21.
  • the installation barrel 21 is threadedly connected with a connecting rod 6 along its axial direction, and the connecting rod 6 is opened along its axial direction.
  • the brush 22 When the pneumatic vibration assembly 3 drives the installation barrel 21 to vibrate along its axial direction, the brush 22 will crawl along the wall of the artillery barrel, and the brush 22 will clean the barrel while it is constantly swinging; in addition, When cleaning the artillery barrel with a smaller diameter, the longer brush 22 is more restricted in the barrel and cannot swing back and forth. However, at this time, the brush 22 in the middle that matches the barrel diameter is The brush 22 can play the role of swing cleaning, that is, the length of the brush 22 is set to different heights, which can be adapted to the cleaning of artillery barrels of different diameters, which helps to improve the applicability of the cleaning device.
  • the pneumatic vibration assembly 3 includes an execution cylinder 31, a ventilation shaft 32 and a piston 33.
  • the execution cylinder 31 is threadedly connected to the end of the connecting rod 6 away from the connection seat 4, and the ventilation shaft 32 is threadedly connected in the execution cylinder 31.
  • the ventilation shaft 32 is provided with a ventilation hole 321 along its axial direction, and the ventilation hole 321 is connected with the external air source; a through hole 331 is provided in the middle of the piston 33 , and the piston 33 is slidably connected to the ventilation shaft 32 through the through hole 331 .
  • the ventilation shaft 32 has a reduced diameter portion integrally formed in the middle.
  • the ventilation shaft 32 is located at the reduced diameter portion and has an air supply port 322 connected to the ventilation hole 321.
  • a first air chamber is formed between both ends of the piston 33 and the execution cylinder 31. 7 and the second air chamber 8, the first air chamber 7 and the second air chamber 8 are on the side away from the installation cylinder 21, the second air chamber 8 is connected with the through hole 61, and the piston 33 is provided with a hole connected to the first air chamber 7
  • the first air passage 332 and the second air passage 333 communicate with the second air chamber 8.
  • the length direction of the first air passage 332 and the second air passage 333 is parallel to the length direction of the piston 33.
  • the piston 33 is located in the through hole.
  • first air inlet 334 connected with the first air channel 332 and a second air inlet 335 connected with the second air channel 333.
  • the first air inlet 334 is located close to the second air inlet 335 relative to the second air inlet 335.
  • an air supply channel 336 is formed through the piston 33 .
  • the length direction of the air supply channel 336 is consistent with the length direction of the piston 33 , that is, the two ends of the air supply channel 336 are connected to the first air chamber 7 respectively.
  • the second air chamber 8 is connected.
  • the piston 33 is located in the through hole 331 and has an air supply port 337 connected with the air supply channel 336.
  • the air supply port 337 is located between the first air inlet 334 and the second air inlet 335.
  • the air supply channel 336 is located at the air supply port 337 and is provided with a slide 9 in an expanded diameter. Balls 91 are rolled in the slide 9 for blocking the end of the slide 9, that is, the air supply channel 336 is connected to the first air chamber 7 or the second air chamber. Blocking between chambers 8.
  • the cylinder body of the execution cylinder is provided with a first air relief port 311 and a second air relief port 312.
  • first air relief port 311 and the first air chamber 7 7 is connected
  • second air release port 312 is connected with the second air chamber 8.
  • the air supply port 322 is connected to the first air inlet 334 or the second air inlet 335.
  • the connection with the first air inlet 334 as an example for illustration, when the ventilation shaft 32 is connected to the external air source, the outside world The air source will enter the second air inlet 335 from the air supply port 322.
  • the ball 91 is blocked at the air supply port 337, and the high-pressure gas will enter the first air chamber 7 from the first air channel 332, and then push the piston 33 toward One side of the second air chamber 8 slides, and the high-pressure gas will enter the air supply channel 336 from the first air chamber 7, pushing the ball 91 to roll, blocking the side of the slide 9 close to the second air chamber 8.
  • the high-pressure gas When the air supply When the port 322 is separated from the first air inlet 334 and connected to the air supply port 337, the high-pressure gas will enter the air supply channel 336 from the air supply port 337 and enter the first air chamber 7, causing the piston 33 to slide again. After that, the air supply port 322 is separated from the air supply port 337 and connected to the second air inlet 335. At this time, the high-pressure gas will enter the second air chamber 8 and push the piston 33 to move in the opposite direction, that is, toward the first The side movement of the air chamber 7 will push the ball 91 to slide and block the air supply channel 336 near the first air chamber 7.
  • the high-pressure gas will also enter the second air chamber 8 from the air supply port 337 and give the piston 33
  • the second power is used to realize the reciprocating motion of the piston 33 in the execution cylinder 31, thereby generating vibration to realize the vibration of the brush 22; at the same time, when the piston 33 is reciprocating, the high-pressure gas will enter the through hole 61 from the second air chamber 8 and Enter the connecting hole 42 and push the ball plug 52 to realize automatic spraying of the copper removal liquid.
  • the implementation principle of the artillery barrel cleaning device in the embodiment of the present application is: when the ventilation shaft 32 is connected to the external air source, high-pressure gas will enter the first air chamber 7 or the second air chamber 8 from the piston 33, pushing the piston 33 to proceed. The reciprocating motion drives the brush 22 to vibrate. At the same time, the high-pressure gas will enter the connecting hole 42 from the connecting rod 6 and push the ball plug 52 to move.
  • the piston 33 uses the air supply channel 336 to provide the piston 33 with an air supply during the reciprocating process. Providing secondary power helps prevent the piston 33 from getting stuck when the air source pressure is unstable, that is, it helps improve the stability of the piston 33 when moving.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning In General (AREA)

Abstract

La présente demande se rapporte au domaine technique du nettoyage de canons d'artillerie. Est divulgué un dispositif de nettoyage de canon d'artillerie. Le dispositif de nettoyage de canon d'artillerie comprend un ensemble de pulvérisation de liquide, un ensemble de nettoyage et un ensemble de vibration pneumatique en séquence, l'ensemble de vibration pneumatique comprenant un arbre de ventilation en communication avec une source d'air externe ; un trou de ventilation est formé axialement dans l'arbre de ventilation ; l'ensemble de pulvérisation de liquide comprend un corps de bouteille de pulvérisation ; un siège de liaison conçu pour être relié à l'ensemble de nettoyage est disposé sur le côté du corps de bouteille de pulvérisation à proximité de l'ensemble de nettoyage ; le siège de liaison est pourvu à l'intérieur d'un espace de pression, qui est en communication avec l'intérieur du corps de bouteille de pulvérisation ; un trou de liaison est formé dans le côté du siège de liaison à proximité d'un corps de brosse à poils ; une extrémité du trou de liaison est en communication avec l'espace de pression et l'autre extrémité du trou de liaison est en communication avec le trou de ventilation ; et un élément de blocage élastique pour bloquer le trou de liaison est disposé dans l'espace de pression dans le siège de liaison. La présente demande réalise l'alimentation automatique d'un liquide d'élimination de cuivre, ce qui facilite la réduction du coût de main-d'œuvre et de l'intensité de main-d'œuvre.
PCT/CN2023/090206 2022-09-09 2023-04-24 Dispositif de nettoyage de canon d'artillerie WO2024051176A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211102841.4 2022-09-09
CN202211102841.4A CN115540677A (zh) 2022-09-09 2022-09-09 一种火炮身管清理装置

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WO2024051176A1 true WO2024051176A1 (fr) 2024-03-14

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PCT/CN2023/090206 WO2024051176A1 (fr) 2022-09-09 2023-04-24 Dispositif de nettoyage de canon d'artillerie

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WO (1) WO2024051176A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115540677A (zh) * 2022-09-09 2022-12-30 上海韦航装备科技有限公司 一种火炮身管清理装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030065445A (ko) * 2003-07-21 2003-08-06 (주)승일테크 야전포의 포신내부 세척장치
WO2017043755A1 (fr) * 2015-09-11 2017-03-16 손원호 Dispositif de nettoyage d'alésage manuel du type à empilage
CN209605659U (zh) * 2019-01-29 2019-11-08 宁波佳博通讯科技有限公司 炮筒除铜清洁装置
CN209623489U (zh) * 2019-01-31 2019-11-12 李立飞 一种火炮身管擦拭保养装备
CN210664129U (zh) * 2019-07-10 2020-06-02 李立飞 一种气动式自动喷液火炮身管擦拭装备
CN213223115U (zh) * 2020-04-18 2021-05-18 李立飞 一种能带动炮刷自动擦拭火炮身管的气动振动器设备
CN214470372U (zh) * 2020-07-07 2021-10-22 李立飞 一种气动轴向振动器设备
CN115540677A (zh) * 2022-09-09 2022-12-30 上海韦航装备科技有限公司 一种火炮身管清理装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030065445A (ko) * 2003-07-21 2003-08-06 (주)승일테크 야전포의 포신내부 세척장치
WO2017043755A1 (fr) * 2015-09-11 2017-03-16 손원호 Dispositif de nettoyage d'alésage manuel du type à empilage
CN209605659U (zh) * 2019-01-29 2019-11-08 宁波佳博通讯科技有限公司 炮筒除铜清洁装置
CN209623489U (zh) * 2019-01-31 2019-11-12 李立飞 一种火炮身管擦拭保养装备
CN210664129U (zh) * 2019-07-10 2020-06-02 李立飞 一种气动式自动喷液火炮身管擦拭装备
CN213223115U (zh) * 2020-04-18 2021-05-18 李立飞 一种能带动炮刷自动擦拭火炮身管的气动振动器设备
CN214470372U (zh) * 2020-07-07 2021-10-22 李立飞 一种气动轴向振动器设备
CN115540677A (zh) * 2022-09-09 2022-12-30 上海韦航装备科技有限公司 一种火炮身管清理装置

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