Natural uranium barrel sorting and conveying device and method based on image recognition

Abstract

The natural uranium barrel sorting and conveying device comprises a conveying table, the bottom of the conveying table is slidably connected to a guide rail, the tail end of the guide rail is close to a Z-shaped conveying belt, and the other end of the Z-shaped conveying belt is close to a second rotating table structure; a visual detection assembly and a weighing table are sequentially arranged on the Z-shaped conveying belt, a first L-shaped conveying belt, a first linear conveying belt and a second linear conveying belt are further arranged around the second rotating table structure, and two isolation doors are installed on each of the first L-shaped conveying belt and the first linear conveying belt in a mirror image mode. And a sewage disposal compartment is arranged in the two isolation doors. The problems that the surface contamination of the barrel wall of the uranium barrel is observed and judged by eyes of workers generally, but due to the fact that the working intensity is large, the workers are fatigued and the like, the surface contamination cannot be accurately recognized, and meanwhile the manual detection efficiency is low are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of natural uranium barrel sorting, and in particular to a natural uranium barrel sorting and conveying device and method based on image recognition. Background Art

[0002] Natural uranium is the raw material for producing enriched uranium and can also be used to produce plutonium. The natural uranium fuel used in graphite reactors and stone plug gas-cooled reactors is metallic uranium with a small amount of alloying elements, and the natural uranium fuel used in heavy water reactors is uranium dioxide ceramic. Uranium atoms can undergo fission reactions, releasing a large amount of energy, which can be used in power generation, nuclear weapons manufacturing and other fields.

[0003] In a general uranium barrel sorting line, workers usually use their eyes to observe and judge the surface contamination on the barrel wall. However, due to the high intensity of the work, workers may become fatigued and cannot accurately identify the surface contamination. At the same time, manual inspection efficiency is low. Summary of the invention

[0004] The purpose of the present invention is to overcome the existing defects and provide a natural uranium barrel sorting and transportation device and method based on image recognition, which greatly improves the accuracy and efficiency of surface contamination detection on the barrel wall of uranium barrels.

[0005] The technical solution to achieve the above-mentioned purpose is: a natural uranium barrel sorting and conveying device based on image recognition, including a conveying table, the bottom of which is slidably connected to a guide rail, the end of the guide rail is close to a "Z"-shaped conveyor belt, and the other end of the "Z"-shaped conveyor belt is close to a second rotating table structure, and a visual detection component and a weighing platform are sequentially arranged on the "Z"-shaped conveyor belt, and a first "L"-shaped conveyor belt, a first linear conveyor belt and a second linear conveyor belt are also arranged around the second rotating table structure, and two isolation doors are respectively installed in a mirror image on the first "L"-shaped conveyor belt and the first linear conveyor belt, and a cleaning compartment is provided in the two isolation doors.

[0006] The visual detection component includes a main bracket, a camera, a detection light source, a first turntable structure, an auxiliary bracket and a warning light. The middle part of the conveyor belt is separated by the first turntable structure. The first turntable structure is close to the conveyor belt. The main bracket and the auxiliary bracket are respectively installed on both sides of the first turntable structure. The detection light source is installed on the lower surface of the auxiliary bracket beam, and the warning light is provided on the upper surface of the auxiliary bracket beam. The detection light source is located directly above the first turntable structure. The camera is installed on the main bracket. The main bracket is also installed with an image processing device, a control module, etc.

[0007] The cleaning compartment includes a second "L"-shaped conveyor belt, a third turntable structure, an automatic sampling device, and a third linear conveyor belt. The end of the first "L"-shaped conveyor belt is close to the third turntable structure, and the other two sides of the third turntable structure are close to the third linear conveyor belt and the second "L"-shaped conveyor belt. The ends of the third linear conveyor belt and the second "L"-shaped conveyor belt are both close to the first linear conveyor belt, and the automatic sampling device is provided on the two "L"-shaped conveyor belts.

[0008] The first turntable structure, the second turntable structure and the third turntable structure are composed of the same parts, which include a base, a support frame, a rotating rod, a driving motor, a circular conveyor belt, and a bearing. The fixed end of the driving motor is installed in the base, the output end of the driving motor is connected to the rotating rod, the upper surface of the base is connected to the support frame, the support frame is provided with a stepped through groove, the bearing is installed in the stepped through groove, the outer wall of the bearing is connected to the support frame, the inner wall of the bearing is connected to the rotating rod, and the rotating rod passes through the stepped through groove and is connected to the lower surface of the circular conveyor belt.

[0009] The natural uranium barrel sorting and transportation method based on image recognition corresponding to the natural uranium barrel sorting and transportation device based on image recognition comprises the following steps: The S1 forklift places the uranium barrel on the conveyor platform, and then starts the bottom roller device of the conveyor platform until the conveyor platform moves along the guide rail to the entrance end of the "Z"-shaped conveyor belt, and then starts the conveyor device on the conveyor platform. At this time, the uranium barrel enters the "Z"-shaped conveyor belt from the conveyor platform; S2 The uranium barrel is transported to the first rotating table structure by the "Z"-shaped conveyor belt, and then the drive motor in the first rotating table structure is started. At this time, the rotating rod can drive the circular conveyor belt and the uranium barrel to rotate. The camera collects the image of the barrel wall of the entire uranium barrel. After analysis by the image processing equipment, if there is surface contamination on the barrel wall, the warning light flashes; The uranium barrels after S3 detection enter the second rotating table structure from the outlet end of the "Z"-shaped conveyor belt, and enter the first "L"-shaped conveyor belt through the circular conveyor belt of the second rotating table structure; S4-1 When the uranium barrel on the first "L"-shaped conveyor belt approaches the isolation door, the isolation door opens, and the uranium barrel without surface contamination enters the second "L"-shaped conveyor belt through the third rotating table structure, and the automatic sampling equipment automatically samples the uranium barrel; S4-2 When the uranium barrel on the first "L"-shaped conveyor belt approaches the isolation door, the isolation door is opened, and the uranium barrel with surface contamination is transported to the third rotating table structure. The third rotating table structure rotates a certain angle until the transportation direction of the circular conveyor belt on the third rotating table structure is consistent with the third linear conveyor belt. The uranium barrel with surface contamination enters the third linear conveyor belt for manual cleaning of surface dirt; S4-21 After the cleaning, the uranium barrel enters the first linear conveyor belt under the transportation of the third linear conveyor belt. After the uranium barrel is transported to the second rotary table structure by the first linear conveyor belt, the second rotary table structure rotates a certain angle until the transportation direction of the circular conveyor belt on the second rotary table structure is consistent with that of the first "L"-shaped conveyor belt, and the uranium barrel enters step S4-1; After S5 sampling, the uranium barrel enters the first linear conveyor belt. After the uranium barrel is transported to the second turntable structure by the first linear conveyor belt, the second turntable structure rotates a certain angle until the transportation direction of the circular conveyor belt on the second turntable structure is consistent with that of the second linear conveyor belt. Then, the uranium barrel enters the second linear conveyor belt and is shipped out of the warehouse.

[0010] The beneficial effects of the present invention are as follows: the middle part of the conveyor belt is separated by the first rotating table structure, a main bracket and an auxiliary bracket are respectively installed on both sides of the first rotating table structure, a camera is installed on the main bracket, an image processing device, a control module, etc. are also installed on the main bracket, and a rotating rod is driven by a driving motor to move, and the rotating rod can drive the circular conveyor belt and the uranium barrel to rotate 360 ​​degrees. The camera collects the barrel wall image of the entire uranium barrel, and the surface contamination of the barrel wall of the uranium barrel is detected after analysis by the image processing device. This method can greatly improve the accuracy and efficiency of the surface contamination detection of the barrel wall of the uranium barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a stereogram of the present invention; Figure 2 is a schematic diagram of a decontamination compartment of the present invention; Figure 3 is a schematic diagram of parts of the visual inspection assembly of the present invention; Figure 4 It is a three-dimensional diagram of the first rotating platform structure, the second rotating platform structure and the third rotating platform structure of the present invention; Figure 5 yes Figure 4 A cross-sectional view of Figure 6 yes Figure 5 Schematic diagram of the hidden bearing.

[0012] In the figure: 1. conveyor table; 2. guide rail; 3. second linear conveyor belt; 4. "Z" type conveyor belt; 5. visual inspection component; 6. cleaning compartment; 7. second turntable structure; 8. first "L" type conveyor belt; 9. first linear conveyor belt; 10. isolation door; 11. base; 12. support frame; 13. rotating rod; 14. driving motor; 15. circular conveyor belt; 16. bearing; 17. weighing table; 51. main bracket; 52. camera; 53. detection light source; 54. first turntable structure; 55. auxiliary bracket; 56. warning light; 62. second "L" type conveyor belt; 63. third turntable structure; 64. automatic sampling equipment; 65. third linear conveyor belt. DETAILED DESCRIPTION

[0013] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0014] The present invention will be further described below in conjunction with the accompanying drawings.

[0015] like Figure 1-6 As shown, a natural uranium barrel sorting and conveying device based on image recognition includes a conveying table 1, the bottom of the conveying table 1 is slidably connected to the guide rail 2, the end of the guide rail 2 is close to the "Z"-shaped conveyor belt 4, and the other end of the "Z"-shaped conveyor belt 4 is close to the second turntable structure 7. The "Z"-shaped conveyor belt 4 is sequentially provided with a visual detection component 5 and a weighing platform 17, and the second turntable structure 11 is also surrounded by a first "L"-shaped conveyor belt 8, a first linear conveyor belt 9 and a second linear conveyor belt 3. Two isolation doors 10 are respectively installed in a mirror image on the first "L"-shaped conveyor belt 8 and the first linear conveyor belt 9, and a cleaning compartment 6 is provided in the two isolation doors 10.

[0016] The visual inspection component 5 includes a main bracket 51, a camera 52, a detection light source 53, a first turntable structure 54, an auxiliary bracket 55 and a warning light 56. The middle part of the conveyor belt 4 is separated by the first turntable structure 54. The first turntable structure 54 is close to the conveyor belt 4. The main bracket 51 and the auxiliary bracket 55 are installed on both sides of the first turntable structure 54. The detection light source 53 is installed on the lower surface of the crossbeam of the auxiliary bracket 55, and a warning light 56 ​​is provided on the upper surface of the crossbeam of the auxiliary bracket 55. The detection light source 53 is located directly above the first turntable structure 54. The camera 52 is installed on the main bracket 51. The main bracket 51 is also installed with an image processing device, a control module, etc.

[0017] The cleaning compartment 6 includes a second "L"-shaped conveyor belt 62, a third turntable structure 63, an automatic sampling device 64, and a third linear conveyor belt 65. The end of the first "L"-shaped conveyor belt 8 is close to the third turntable structure 63, and the other two sides of the third turntable structure 63 are close to the third linear conveyor belt 65 and the second "L"-shaped conveyor belt 62. The ends of the third linear conveyor belt 65 and the second "L"-shaped conveyor belt 62 are both close to the first linear conveyor belt 9, and the two "L"-shaped conveyor belts 62 are provided with automatic sampling devices 64.

[0018] The first turntable structure 54, the second turntable structure 7 and the third turntable structure 63 are composed of the same parts, which include a base 11, a support frame 12, a rotating rod 13, a driving motor 14, a circular conveyor belt 15, and a bearing 16. The base 11 is provided with a fixed end of the driving motor 14, the output end of the driving motor 14 is connected to the rotating rod 13, the upper surface of the base 11 is connected to the support frame 12, the support frame 12 is provided with a stepped through groove, the stepped through groove is provided with a bearing 16, the outer wall of the bearing 16 is connected to the support frame 12, the inner wall of the bearing 16 is connected to the rotating rod 13, and the rotating rod 13 passes through the stepped through groove and is connected to the lower surface of the circular conveyor belt 15.

[0019] The natural uranium barrel sorting and transportation method based on image recognition corresponding to the natural uranium barrel sorting and transportation device based on image recognition comprises the following steps: S1 Forklift places the uranium barrel on the conveyor platform 1, and then starts the bottom roller device of the conveyor platform 1 until the conveyor platform 1 moves along the direction of the guide rail 2 to the entrance end of the "Z"-shaped conveyor belt 4, and then starts the conveying device on the conveyor platform 1. At this time, the uranium barrel enters the "Z"-shaped conveyor belt 4 from the conveyor platform 1.

[0020] S2 The uranium barrel is transported to the first rotating table structure 54 by the "Z"-shaped conveyor belt 4, and then the drive motor 14 in the first rotating table structure 54 is started. At this time, the rotating rod 13 can drive the circular conveyor belt 15 and the uranium barrel to rotate 360°. The camera 52 collects the barrel wall image of the entire uranium barrel. After analysis by the image processing equipment, if there is surface contamination on the barrel wall, the warning light 56 ​​flashes.

[0021] The uranium barrel after S3 detection enters the second turntable structure 7 from the outlet end of the “Z”-shaped conveyor belt 4, and enters the first “L”-shaped conveyor belt 8 through the action of the circular conveyor belt 15 of the second turntable structure 7.

[0022] S4-1 When the uranium barrel on the first "L"-shaped conveyor belt 8 approaches the isolation door 10, the isolation door 10 is opened, and the uranium barrel without surface contamination enters the second "L"-shaped conveyor belt 62 via the third rotating table structure 63, and the uranium barrel is automatically sampled by the automatic sampling device 64.

[0023] S4-2 When the uranium barrel on the first "L"-shaped conveyor belt 8 approaches the isolation door 10, the isolation door 10 is opened, and the uranium barrel with surface contamination is transported to the third turntable structure 63. The third turntable structure 63 rotates a certain angle until the transport direction of the circular conveyor belt 15 on the third turntable structure 63 is consistent with the third linear conveyor belt 65. Then the uranium barrel with surface contamination enters the third linear conveyor belt 65 for manual cleaning of surface dirt.

[0024] S4-21 After the cleaning, the uranium barrel enters the first linear conveyor belt 9 under the transportation of the third linear conveyor belt 65. After the uranium barrel is transported to the second turntable structure 7 by the first linear conveyor belt 9, the second turntable structure 7 rotates a certain angle until the transportation direction of the circular conveyor belt 15 on the second turntable structure 7 is consistent with the first "L"-shaped conveyor belt 8, and the uranium barrel enters step S4-1.

[0025] After S5 sampling, the uranium barrel enters the first linear conveyor belt 9. After the uranium barrel is transported to the second turntable structure 7 by the first linear conveyor belt 9, the second turntable structure 7 rotates a certain angle until the transportation direction of the circular conveyor belt 15 on the second turntable structure 7 is consistent with the second linear conveyor belt 3. Then, the uranium barrel enters the second linear conveyor belt 3 and is out of the warehouse.

[0026] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions described in the above embodiments may still be modified, or some or all of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A natural uranium barrel sorting and transporting device based on image recognition, characterized in that: It includes a conveying platform 1, the bottom of which is slidably connected to a guide rail 2, the end of the guide rail 2 is close to a "Z"-shaped conveyor belt 4, the other end of the "Z"-shaped conveyor belt 4 is close to a second turntable structure 7, and a visual detection component 5 and a weighing platform 17 are sequentially arranged on the "Z"-shaped conveyor belt 4. A first "L"-shaped conveyor belt 8, a first linear conveyor belt 9 and a second linear conveyor belt 3 are also arranged around the second turntable structure 11. Two isolation doors 10 are installed in mirror images on the first "L"-shaped conveyor belt 8 and the first linear conveyor belt 9, and a cleaning compartment 6 is arranged in the two isolation doors 10.

2. The natural uranium barrel sorting and transporting device based on image recognition according to claim 1 is characterized in that: The visual inspection component 5 includes a main bracket 51, a camera 52, a detection light source 53, a first turntable structure 54, an auxiliary bracket 55 and a warning light 56. The middle part of the conveyor belt 4 is separated by the first turntable structure 54. The first turntable structure 54 is close to the conveyor belt 4. The main bracket 51 and the auxiliary bracket 55 are respectively installed on both sides of the first turntable structure 54. The detection light source 53 is installed on the lower surface of the crossbeam of the auxiliary bracket 55, and the warning light 56 ​​is provided on the upper surface of the crossbeam of the auxiliary bracket 55. The detection light source 53 is located directly above the first turntable structure 54. The camera 52 is installed on the main bracket 51. The main bracket 51 is also installed with an image processing device, a control module, etc.

3. The natural uranium barrel sorting and transporting device based on image recognition according to claim 1 is characterized in that: The cleaning compartment 6 includes a second "L"-shaped conveyor belt 62, a third turntable structure 63, an automatic sampling device 64, and a third linear conveyor belt 65. The end of the first "L"-shaped conveyor belt 8 is close to the third turntable structure 63, and the other two sides of the third turntable structure 63 are close to the third linear conveyor belt 65 and the second "L"-shaped conveyor belt 62. The ends of the third linear conveyor belt 65 and the second "L"-shaped conveyor belt 62 are both close to the first linear conveyor belt 9, and the automatic sampling device 64 is provided on the two "L"-shaped conveyor belts 62.

4. The natural uranium barrel sorting and conveying device based on image recognition according to claim 1 is characterized in that: The first turntable structure 54, the second turntable structure 7 and the third turntable structure 63 are composed of the same parts, which include a base 11, a support frame 12, a rotating rod 13, a driving motor 14, a circular conveyor belt 15, and a bearing 16. The fixed end of the driving motor 14 is installed in the base 11, and the output end of the driving motor 14 is connected to the rotating rod 13. The upper surface of the base 11 is connected to the support frame 12, and a stepped through groove is provided on the support frame 12. The bearing 16 is installed in the stepped through groove, and the outer wall of the bearing 16 is connected to the support frame 12. The inner wall of the bearing 16 is connected to the rotating rod 13, and the rotating rod 13 passes through the stepped through groove and is connected to the lower surface of the circular conveyor belt 15.

5. The natural uranium barrel sorting and transportation method based on image recognition corresponding to the natural uranium barrel sorting and transportation device based on image recognition according to any one of claims 1 to 4 is characterized in that: The following steps are involved: S1 Forklift places the uranium barrel on the conveyor platform 1, and then starts the bottom roller device of the conveyor platform 1 until the conveyor platform 1 moves along the direction of the guide rail 2 to the entrance end of the "Z"-shaped conveyor belt 4, and then starts the conveying device on the conveyor platform 1. At this time, the uranium barrel enters the "Z"-shaped conveyor belt 4 from the conveyor platform 1; S2 The uranium barrel is transported to the first rotating table structure 54 by the "Z"-shaped conveyor belt 4, and then the driving motor 14 in the first rotating table structure 54 is started. At this time, the rotating rod 13 can drive the circular conveyor belt 15 and the uranium barrel to rotate 360 ​​degrees. The camera 52 collects the barrel wall image of the entire uranium barrel. After being analyzed by the image processing device, if there is surface contamination on the barrel wall, the warning light 56 ​​flashes; The uranium barrel after S3 detection enters the second rotating table structure 7 from the outlet end of the "Z"-shaped conveyor belt 4, and enters the first "L"-shaped conveyor belt 8 through the action of the circular conveyor belt 15 of the second rotating table structure 7; S4-1 When the uranium barrel on the first "L"-shaped conveyor belt 8 approaches the isolation door 10, the isolation door 10 is opened, and the uranium barrel without surface contamination enters the second "L"-shaped conveyor belt 62 via the third rotating table structure 63, and the uranium barrel is automatically sampled by the automatic sampling device 64; S4-2 When the uranium barrel on the first "L"-shaped conveyor belt 8 approaches the isolation door 10, the isolation door 10 is opened, and the uranium barrel with surface contamination is transported to the third rotating table structure 63. The third rotating table structure 63 rotates a certain angle until the transportation direction of the circular conveyor belt 15 on the third rotating table structure 63 is consistent with the third linear conveyor belt 65. Then, the uranium barrel with surface contamination enters the third linear conveyor belt 65 for manual cleaning of surface dirt; S4-21 After the cleaning, the uranium barrel enters the first linear conveyor belt 9 under the transportation of the third linear conveyor belt 65. After the uranium barrel is transported to the second rotary table structure 7 by the first linear conveyor belt 9, the second rotary table structure 7 rotates a certain angle until the transportation direction of the circular conveyor belt 15 on the second rotary table structure 7 is consistent with the first "L"-shaped conveyor belt 8, and the uranium barrel enters step S4-1; After S5 sampling, the uranium barrel enters the first linear conveyor belt 9. After the uranium barrel is transported to the second turntable structure 7 by the first linear conveyor belt 9, the second turntable structure 7 rotates a certain angle until the transportation direction of the circular conveyor belt 15 on the second turntable structure 7 is consistent with the second linear conveyor belt 3. Then, the uranium barrel enters the second linear conveyor belt 3 and is out of the warehouse.

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