Light gas gun with automatic gun barrel cleaning device

By combining mechanical sweeping and airflow sweeping in a combined cleaning mode with an intelligent control system, the problems of low cleaning efficiency and insufficient precision of light air cannons have been solved, achieving highly efficient and automated removal of pollutants and improving cleaning efficiency and removal rate.

CN120991652APending Publication Date: 2025-11-21GUIZHOU UNIV
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202511188046.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-25
Publication Date
2025-11-21

AI Technical Summary

Technical Problem

Existing light air cannon cleaning relies on manual operation, which is inefficient and lacks cleaning precision, affecting experimental accuracy and making it difficult to achieve automated and efficient pollutant removal.

Method used

It adopts a combined cleaning mode of mechanical sweeping and airflow blowing, combined with an intelligent control system. Through rotating parts, power parts and bracket system, it realizes fully automated operation. It uses a combination of nylon brush scraping and airflow blowing, and works with a vacuum cleaner to collect pollutants simultaneously.

Benefits of technology

It achieves a single cleaning cycle time of ≤40 seconds, improves efficiency by 90%, achieves a pollutant removal rate of >98%, supports one-click operation, and reduces the risk of manual intervention.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120991652A_ABST
    Figure CN120991652A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of light-gas guns, in particular to a light-gas gun with an automatic gun barrel cleaning device. According to the technical scheme, the cleaning device comprises a cleaning system, the cleaning system comprises a rotating component, a power component for driving the rotating component to rotate and a bracket system for supporting the rotating component, and protective covers are fixedly installed on the outer sides of the rotating component, the power component and the bracket system. The single-time cleaning circulation consumption is short, compared with manual operation, the efficiency is improved, a nylon brush physical scraping and double-air-hole directional airflow composite mode is adopted, straight hole radial jetting chipping stripping and rotating hole spiral airflow winding conveying are adopted, synchronous recycling is conducted at a gun barrel outlet in combination with a dust collector, and the pollutant removal rate is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of light gas guns, in particular to a light gas gun with a gun barrel automatic cleaning device. BACKGROUND

[0002] As the core equipment of super-high-speed impact experiments, light gas guns are widely used in civil engineering, aerospace, material science and other fields. Its working principle is to drive the projectile by high-pressure gas. After launching, the gun barrel will be left with debris generated by friction with the projectile bracket, combustion residues and gun barrel scratches and other pollutants. The existing cleaning technology mainly relies on manual operation, which is low in efficiency. In addition, manual operation is difficult to accurately control the cleaning strength, which may lead to incomplete cleaning of the inner wall of the gun barrel and affect the accuracy of subsequent experiments. Therefore, there is an urgent need for a cleaning device that can be automatically controlled and efficient. SUMMARY

[0003] The purpose of the present application is to solve the problems in the background art. The present application provides a light gas gun with a gun barrel automatic cleaning device, which can improve the cleaning efficiency and the removal rate of pollutants through a composite cleaning mode of mechanical cleaning and airflow blowing, and realize full-process automation operation combined with an intelligent control system. The multiple safety interlocking mechanisms can eliminate the risk of manual intervention.

[0004] The technical scheme of the present application is a light gas gun with a gun barrel automatic cleaning device, which comprises a cleaning system, the cleaning system comprising a rotating part, a power part driving the rotating part to rotate, and a bracket system supporting the rotating part. A protective cover is fixedly installed outside the rotating part, the power part and the bracket system.

[0005] The rotating part comprises a spring storage installed inside the protective cover, a cleaning spring installed inside the spring storage, a guide pipe fixedly installed on the protective cover, and a biasing roller installed inside the guide pipe.

[0006] One end of the cleaning spring is fixed in the spring storage, and the other end is connected with a cleaning part.

[0007] The cleaning part comprises a rubber cleaning roller fixedly installed on the biasing roller, and a nylon brush fixedly installed on the rubber cleaning roller.

[0008] The guide pipe is provided with a ball buffer ring on the outer wall, and the biasing roller is fixedly installed on the outer side of the guide pipe through a biasing roller bracket.

[0009] Optionally, the bracket system comprises a shell support, a first support bearing, a second support bearing and a third support bearing. A bearing support is fixedly installed in the protective cover, and the outer ring of the third support bearing is fixedly connected with the bearing support.

[0010] Optionally, the first and second support bearings are angular contact ball bearings symmetrically installed in the middle of the conduit.

[0011] The third support bearing is a deep groove ball bearing installed at the end of the shell support.

[0012] One end of the protective cover is provided with a grease inlet.

[0013] Optionally, the power part includes a servo motor connected to the biasing roller through an elastic coupling, and the servo motor is fixed to the rear end of the protective cover.

[0014] Optionally, the rubber cleaning roller is coaxially connected to the free end of the cleaning spring, the nylon brush is fixed around the end of the rubber cleaning roller, and the rubber cleaning roller is provided with a straight hole penetrating in the radial direction and a rotating hole at an angle with the axis in the circumferential direction.

[0015] Optionally, the roller includes a plurality of rollers uniformly distributed in a ring shape, the axis of each roller is at an angle of 15° with the axis of the conduit, and the outer surface of the roller contacts the outer wall of the protective cover.

[0016] Optionally, the docking system includes a driving device and a locking device.

[0017] The driving device includes a radial guide rail slider slidingly connected to the ground, an axial guide rail slider slidingly connected to the radial guide rail slider, and a steel bracket fixedly installed on the axial guide rail slider, and the protective cover is fixedly connected to the steel bracket.

[0018] The locking device includes a plurality of first and second air cylinders rotatably installed on the protective cover and uniformly distributed in the circumferential direction, a plurality of support brackets fixedly installed on the protective cover, a support fixedly installed on the support bracket, and one end of the first air cylinder rotatably connected to the support.

[0019] A roller bracket is rotatably installed on the output shaft of the first and second air cylinders, and a polyurethane-coated roller is rotatably installed on the roller bracket.

[0020] Optionally, a target magazine is installed on one side of the protective cover, and a barrel is fixedly installed on the target magazine.

[0021] Optionally, the gas source system includes a jet unit and a dust collection unit.

[0022] The jet unit includes a low-pressure air pump, the protective cover is provided with a pressure interface, and the low-pressure air pump is connected to the pressure interface through a pressure-resistant hose.

[0023] The dust collection unit comprises a first dust collector interface and a second dust collector interface provided on the target bin, the first dust collector interface is provided with a first electric valve, and the second dust collector interface is provided with a second electric valve.

[0024] Optionally, the control system comprises a sensor group and an actuator driving module.

[0025] The sensor group comprises a first diffuse reflection photoelectric sensor and a second diffuse reflection photoelectric sensor fixedly installed on the protective cover, a negative pressure sensor installed on the inner wall of the target bin, a laser displacement sensor fixedly installed at one end of the protective cover and close to the connection with the barrel, a third diffuse reflection photoelectric sensor and a fourth diffuse reflection photoelectric sensor fixedly installed at both ends of the radial guide rail slider, and a fifth diffuse reflection photoelectric sensor fixedly installed on the upper part of the target bin.

[0026] The first diffuse reflection photoelectric sensor is located at the barrel port, and the second diffuse reflection photoelectric sensor is away from the barrel port.

[0027] The actuator driving module is connected with a servo motor, a first air cylinder, a second air cylinder, a low-pressure air pump, and the first electric valve and the second electric valve.

[0028] In summary, the present application has at least one of the following beneficial technical effects:

[0029] Based on the PLC programmed control of five stages, the single cleaning cycle takes ≤40 seconds, the efficiency is improved by 90% compared with manual operation, one-key operation is supported, a nylon brush physical scraping + double air hole directional air flow composite mode is adopted, straight holes are used for radial jetting to strip off debris + rotating holes are used for spiral air flow to hoist and transport, combined with the synchronous recovery of the dust collector at the barrel outlet, and the pollution removal rate is >98%. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a schematic diagram of the axial structure of the main mechanical device;

[0031] Figure 2 It is a schematic diagram of the cross-sectional structure of the main mechanical device;

[0032] Figure 3 It is a schematic diagram of the structure of the cleaning system structure;

[0033] Figure 4 It is a schematic diagram of the structure of the docking system.

[0034] Reference numerals: 1011, cleaning spring; 1012, spring reservoir; 1013, guide tube; 1014, ball bearing buffer ring; 1015a, roller; 1015b, offset roller bracket; 1016a, rubber cleaning roller; 1016b, nylon brush; 1021, housing support; 1022, first support bearing; 1023, second support bearing; 1024, third support bearing; 1025, bearing bracket; 1031, servo motor; 1032, flexible coupling; 1033, protective cover;

[0035] 2011, Axial guide rail slider; 2012, Radial guide rail slider; 2013, Steel bracket; 2021, First cylinder; 2022, Second cylinder; 2023, Support bracket; 2023a, Support; 2024, Roller bracket; 2025, Polyurethane coated roller; 2026, Gun barrel; 2027, Target compartment;

[0036] 3011, Pressure port; 3021, First vacuum cleaner port; 3022, Second vacuum cleaner port; 3025, First electric valve; 3026, Second electric valve;

[0037] 4021a, First diffuse reflection photoelectric sensor; 4021b, Second diffuse reflection photoelectric sensor; 4022, Negative pressure sensor; 4023, Laser displacement sensor; 4024a, Third diffuse reflection photoelectric sensor; 4024b, Fourth diffuse reflection photoelectric sensor; 4025, Fifth diffuse reflection photoelectric sensor; 4031, Grease injection port. Detailed Implementation

[0038] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0039] Examples, such as Figures 1 to 4 As shown, the present invention proposes a light air gun with an automatic barrel cleaning device, which includes a cleaning system. The cleaning system includes a rotating component, a power component that drives the rotating component to rotate, and a bracket system that supports the rotating component. A protective cover 1033 is fixedly installed on the outside of the rotating component, the power component, and the bracket system.

[0040] Further, the rotating component comprises a spring storage 1012 mounted inside the protective cover 1033, a cleaning spring 1011 mounted inside the spring storage 1012, one end of the cleaning spring 1011 fixed in the spring storage 1012, and the other end connected with the cleaning component, a guide pipe 1013 fixedly mounted on the protective cover 1033, and a biasing roller 1015a eccentrically mounted inside the guide pipe 1013, the roller 1015a comprises a plurality of rollers uniformly distributed in a ring shape, the axis of each roller is at an angle of 15° with the axis of the guide pipe 1013, and the outer surface of the roller contacts the outer wall of the protective cover 1033, when the biasing roller 1015a rotates, the friction of the biasing roller 1015a converts the rotary motion into axial extension and retraction, realizing flexible propulsion.

[0041] In the embodiment, the cleaning component comprises a rubber cleaning roller 1016a fixedly mounted on the biasing roller 1015a, and a nylon brush 1016b fixedly mounted on the rubber cleaning roller 1016a, the rubber cleaning roller 1016a is uniformly provided with straight holes (radially through) and rotary holes (at an angle of 30° with the axis) in the circumferential direction, the straight holes spray high-speed airflow directly against the inner wall, the rotary holes form spiral airflow to roll away debris, and the nylon brush 1016b is arranged around the end of the rubber cleaning roller 1016a to synchronously rotate and scrape stubborn contaminants, and cooperates with the airflow to realize "brushing first and blowing later".

[0042] The guide pipe 1013 is provided with a ball buffer ring 1014 outside the wall, the biasing roller 1015a is fixedly mounted on the outside of the guide pipe 1013 through a biasing roller bracket 1015b, and the ball buffer ring 1014 limits the radial jumping of the cleaning spring 1011 through rolling friction, ensuring the coaxial error.

[0043] The bracket system comprises a shell support 1021, a first support bearing 1022, a second support bearing 1023, and a third support bearing 1024, the bearing support 1025 is fixedly mounted in the protective cover 1033, the outer ring of the third support bearing 1024 is fixedly connected with the bearing support 1025, the first support bearing 1022 and the second support bearing 1023 are angular contact ball bearings, symmetrically mounted in the middle of the guide pipe 1013, and the third support bearing 1024 is a deep groove ball bearing, mounted at the end of the shell support 1021, the angular contact ball bearing bears the radial force, and the deep groove ball bearing cooperates with the motor shaft, ensuring the coaxial stability during dynamic cleaning.

[0044] One end of the protective cover 1033 is provided with a grease injection port 4031, and the grease can be injected into the guide pipe 1013 through the grease injection port 4031.

[0045] In the embodiment, the power part includes a servo motor 1031, the servo motor 1031 is connected with the biasing roller 1015a through an elastic coupling 1032, the servo motor 1031 is fixed to the rear end of the protective cover 1033, and the servo motor 1031 can drive the biasing roller 1015a to rotate through the elastic coupling 1032.

[0046] As shown in Figures 1 to 4 The embodiment also includes a docking system, the docking system includes a driving device and a locking device, the driving device includes a radial guide rail slider 2012 in sliding connection with the ground, an axial guide rail slider 2011 in sliding connection with the radial guide rail slider 2012, a steel bracket 2013 fixedly installed on the axial guide rail slider 2011, and the protective cover 1033 is fixedly connected with the steel bracket 2013, the cleaning system is driven to move along the barrel axis through the axial guide rail slider 2011, the position is fed back in real time by a grating ruler, the radial guide rail slider 2012 bears the whole horizontal movement of the axial guide rail, and radial alignment is realized.

[0047] Further, the locking device includes a plurality of first air cylinders 2021 and second air cylinders 2022 rotatably installed on the protective cover 1033 and uniformly distributed in the circumferential direction, a plurality of support brackets 2023 are fixedly installed on the protective cover 1033, a support 2023a is fixedly installed on the support bracket 2023, one end of the first air cylinder 2021 is in rotary connection with the support 2023a, a roller bracket 2024 is rotatably installed on the output shaft of the first air cylinder 2021 and the second air cylinder 2022, a polyurethane coated roller 2025 is rotatably installed on the roller bracket 2024, the first air cylinder 2021 drives the polyurethane coated roller 2025 to be put down or lifted, the second air cylinder 2022 performs radial compression, and air-tight sealing is realized through “rotary alignment + radial locking”.

[0048] As shown in Figures 1 to 4 In the embodiment, a target bin 2027 is installed on one side of the protective cover 1033, and a barrel 2026 is fixedly installed on the target bin 2027.

[0049] As shown in Figures 1 to 4 The embodiment also includes an air supply system, the air supply system includes a jet unit and a dust suction unit, the jet unit includes a low-pressure air pump, the protective cover 1033 is provided with a pressure interface 3011, the low-pressure air pump is connected with the pressure interface 3011 through a pressure-resistant hose, the low-pressure air pump provides 0.5 MPa compressed air, the compressed air is delivered to the holes on the rubber cleaning roller 1016a through the pressure-resistant hose, and high-speed jet flow is formed.

[0050] Further, the dust collection unit includes a first dust collector interface 3021 and a second dust collector interface 3022 provided on the target chamber 2027, the first dust collector interface 3021 is provided with a first electric valve 3025, and the second dust collector interface 3022 is provided with a second electric valve 3026, the dust collector cleans the target chamber 2027 through the first dust collector interface 3021, and the dust collector recycles the barrel debris through the second dust collector interface 3022, and the first electric valve 3025 and the second electric valve 3026 are automatically controlled to start and stop.

[0051] As shown in Figures 1 to 4 The control system includes a sensor group and an actuator driving module, the sensor group includes a first diffuse reflection photoelectric sensor 4021a and a second diffuse reflection photoelectric sensor 4021b fixedly installed on the protective cover 1033, a negative pressure sensor 4022 installed on the inner wall of the target chamber 2027, a laser displacement sensor 4023 fixedly installed on one end of the protective cover 1033 and close to the connection with the barrel 2026, a third diffuse reflection photoelectric sensor 4024a and a fourth diffuse reflection photoelectric sensor 4024b fixedly installed on both ends of the radial guide rail slider 2012, and a fifth diffuse reflection photoelectric sensor 4025 fixedly installed on the upper part of the target chamber 2027, the first diffuse reflection photoelectric sensor 4021a is located at the mouth of the guide pipe 1013, the second diffuse reflection photoelectric sensor 4021b is away from the mouth of the guide pipe 1013, the sensor signals are integrated by the PLC, and the five-stage process of self-checking, docking, cleaning, maintenance and evacuation is controlled according to the preset program;

[0052] The first diffuse reflection photoelectric sensor 4021a detects the position state of the cleaning component, the negative pressure sensor 4022 monitors the internal pressure of the target chamber 2027, the laser displacement sensor 4023 triggers the locking through laser ranging, the safety area is confirmed through the third diffuse reflection photoelectric sensor 4024a and the fourth diffuse reflection photoelectric sensor 4024b, the retraction action is triggered through the fifth diffuse reflection photoelectric sensor 4025, and the actuator driving module is linked with the servo motor 1031, the first air cylinder 2021, the second air cylinder 2022, the low-pressure air pump, the first electric valve 3025 and the second electric valve 3026 to realize one-key automatic operation.

[0053] Working principle: when the light gas gun is launched, the control system starts the automatic cleaning process. First, the sensor group verifies the safety conditions, the launching device retreats to the safety zone, the target magazine 2027 is under no negative pressure, the cleaning components return to the magazine, then the radial guide rail slider 2012 of the docking system adjusts the horizontal position, the axial guide rail slider 2011 pushes the cleaning system to contact the flange of the barrel 2026, the laser displacement sensor 4023 triggers the first cylinder 2021 and the second cylinder 2022 of the locking device, the polyurethane coated drum 2025 is pressed to seal the flange, the servo motor 1031 of the cleaning system rotates forward, the elastic coupling 1032 drives the offset roller 1015a to convert the rotary motion into the axial expansion of the cleaning spring 1011, the nylon brush 1016b enters the barrel 2026, the nylon brush 1016b scrapes the contaminants on the inner wall of the barrel 2026, the straight hole and the rotating hole of the polyurethane coated drum 2025 spray low-pressure airflow to blow away the debris, and the dust collector of the air supply system recycles the debris. When the components reach the outlet of the barrel 2026, the fifth diffuse reflection photoelectric sensor 4025 of the target magazine 2027 triggers the servo motor 1031 to reverse and retract, after 3-5 cycles, the system automatically injects lubricating grease through the lubricating grease injection port 4031 and resets to standby.

[0054] The above specific embodiments are only several optional embodiments of the present application, and based on the technical solutions of the present application and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A light gas gun with a barrel self-cleaning device, characterized in that, The application relates to a cleaning system, which comprises a rotating part, a power part for driving the rotating part to rotate, a bracket system for supporting the rotating part, and a protective cover (1033) fixedly arranged outside the rotating part, the power part and the bracket system. The rotating part comprises a spring storage (1012) arranged in the protective cover (1033), a cleaning spring (1011) arranged in the spring storage (1012), a guide pipe (1013) fixedly arranged on the protective cover (1033), and a biasing roller (1015a) fixedly arranged in the guide pipe (1013). One end of the cleaning spring (1011) is fixed in the spring storage (1012), and the other end is connected with a cleaning part. The cleaning part comprises a rubber cleaning roller (1016a) fixedly arranged on the biasing roller (1015a), and a nylon brush (1016b) fixedly arranged on the rubber cleaning roller (1016a). The guide pipe (1013) is provided with a ball buffer ring (1014), and the biasing roller (1015a) is fixedly arranged outside the guide pipe (1013) through a biasing roller bracket (1015b). The bracket system comprises a shell support (1021), a first supporting bearing (1022), a second supporting bearing (1023) and a third supporting bearing (1024), the protective cover (1033) is fixedly arranged with a bearing support (1025), and the outer ring of the third supporting bearing (1024) is fixedly connected with the bearing support (1025).

2. The light gas gun with a barrel automatic cleaning device according to claim 1, characterized in that, The first supporting bearing (1022) and the second supporting bearing (1023) are angular contact ball bearings and are symmetrically arranged in the middle of the guide pipe (1013).

3. The light gas gun with a barrel automatic cleaning device according to claim 2, characterized in that, The third supporting bearing (1024) is a deep groove ball bearing and is arranged at the end of the shell support (1021). One end of the protective cover (1033) is provided with a grease injection port (4031). The power part comprises a servo motor (1031) connected with the biasing roller (1015a) through an elastic coupling (1032), and the servo motor (1031) is fixedly arranged at the rear end of the protective cover (1033).

4. The light gas gun with a barrel automatic cleaning device according to claim 3, characterized in that, The rubber cleaning roller (1016a) is coaxially connected with the free end of the cleaning spring (1011), the nylon brush (1016b) is fixedly arranged around the end of the rubber cleaning roller (1016a), and a straight hole penetrating in the radial direction and a rotating hole at an angle with the axis are arranged in the circumferential direction of the rubber cleaning roller (1016a).

5. The light gas gun with a barrel automatic cleaning device according to claim 4, characterized in that, The roller (1015a) comprises a plurality of rollers uniformly arranged in a ring shape, the axis of each roller is at an angle of 10-20 DEG with the axis of the guide pipe (1013), and the outer surface of the roller is in contact with the outer wall of the protective cover (1033).

6. The light gas gun with a barrel automatic cleaning device according to claim 5, characterized in that, The application further relates to a docking system, which comprises a driving device and a locking device.

7. The light gas gun with a barrel automatic cleaning device according to claim 6, characterized in that, ​ The driving device comprises a radial guide rail slider (2012) in sliding connection with the ground, an axial guide rail slider (2011) in sliding connection with the radial guide rail slider (2012), and a steel bracket (2013) fixedly installed on the axial guide rail slider (2011), and the protective cover (1033) is fixedly connected with the steel bracket (2013); The locking device comprises a plurality of first air cylinders (2021) and second air cylinders (2022) rotatably installed on the protective cover (1033) and uniformly distributed in the circumferential direction, a plurality of support brackets (2023) fixedly installed on the protective cover (1033), and supports (2023a) fixedly installed on the support brackets (2023), and one end of the first air cylinder (2021) is rotatably connected with the support (2023a); Roller supports (2024) are rotatably installed on output shafts of the first air cylinders (2021) and the second air cylinders (2022), and polyurethane-coated rollers (2025) are rotatably installed on the roller supports (2024).

8. The light gas gun with a barrel automatic cleaning device according to claim 7, characterized in that, A target bin (2027) is installed on one side of the protective cover (1033), and a barrel (2026) is fixedly installed on the target bin (2027).

9. The light gas gun with a barrel automatic cleaning device according to claim 8, characterized in that, The system further comprises a gas source system, and the gas source system comprises a jet flow unit and a dust suction unit; The jet flow unit comprises a low-pressure air pump, and a pressure interface (3011) is arranged on the protective cover (1033), and the low-pressure air pump is connected with the pressure interface (3011) through a pressure-resistant hose; The dust suction unit comprises a first dust suction interface (3021) and a second dust suction interface (3022) arranged on the target bin (2027), a first electric valve (3025) arranged on the first dust suction interface (3021), and a second electric valve (3026) arranged on the second dust suction interface (3022).

10. The light gas gun with a barrel automatic cleaning device according to claim 9, characterized in that, The system further comprises a control system, and the control system comprises a sensor group and an actuator driving module; The sensor group comprises a first diffuse reflection photoelectric sensor (4021a) and a second diffuse reflection photoelectric sensor (4021b) fixedly installed on the protective cover (1033), a negative pressure sensor (4022) installed on the inner wall of the target bin (2027), a laser displacement sensor (4023) fixedly installed on one end of the protective cover (1033) and close to the connection position of the barrel (2026), a third diffuse reflection photoelectric sensor (4024a) and a fourth diffuse reflection photoelectric sensor (4024b) fixedly installed on both ends of the radial guide rail slider (2012), and a fifth diffuse reflection photoelectric sensor (4025) fixedly installed on the upper part of the target bin (2027); The first diffuse reflection photoelectric sensor (4021a) is located at the mouth of the conduit (1013), and the second diffuse reflection photoelectric sensor (4021b) is away from the mouth of the conduit (1013); The actuator driving module is connected with a servo motor (1031), the first air cylinder (2021), the second air cylinder (2022), the low-pressure air pump, and the first electric valve (3025) and the second electric valve (3026).