Leakage detection device for transformer shell

Abstract

The utility model relates to the technical field of transformer shell processing, in particular to a transformer shell leakage detection device which comprises a detection box, a placement assembly is arranged in the detection box and comprises a hydraulic cylinder and a placement plate, and the hydraulic cylinder is fixedly arranged on the inner wall of the bottom of the detection box. The transformer shell is placed on the top of the placing plate, the hydraulic cylinder descends the placing plate and the transformer shell into the detection box, the fixing assembly is driven by the driving assembly to fix the top of the transformer shell, and then water is conveyed into the detection box again through the water storage assembly to submerge the transformer shell. Whether the transformer shell leaks or not is judged by checking whether bubbles emerge or not, after detection is completed, the placing plate is lifted through the hydraulic cylinder, so that the transformer shell can be moved out of the detection box, and the structure is easy to operate and good in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer shell processing, in particular to a leakage detection device for a transformer shell. Background Technique

[0002] At present, oil leakage of oil-immersed power transformers is a common problem in their manufacturing and operation. Therefore, it is necessary to detect the sealing performance of oil-immersed power transformers.

[0003] At present, when the transformer shell is immersed in liquid for sealing detection, due to the gas in the transformer shell, it is easy to float and not easy to be taken out of the detection box. Therefore, improvement is needed. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides a leakage detection device for a transformer shell.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solution: A leakage detection device for a transformer shell, including a detection box, a placement component is arranged in the detection box, the placement component includes a hydraulic cylinder and a placement plate, a hydraulic cylinder is fixedly arranged on the inner wall of the bottom of the detection box, a placement plate is fixedly arranged at the output end of the hydraulic cylinder, fixing components are arranged on the outer walls on both sides of the detection box, a driving component is arranged on the outer wall at the rear side of the detection box, and a water storage component.

[0008] To facilitate the fixation of the transformer to prevent floating, the improvement of the utility model is that the fixing component includes a sleeve, a curved arm and a rotating rod, sleeves are fixedly arranged on the left and right outer walls near the top of the detection box, a rotating rod is rotatably arranged in the sleeve, and curved arms are fixedly arranged on the outer walls on both sides of the rotating rod.

[0009] To facilitate preventing the fixing component from scratching the transformer, the improvement of the utility model is that it further includes a fixing block, fixing blocks are fixedly arranged at one ends of the two curved arms, and the fixing block is made of plastic material and has an arc-shaped surface.

[0010] To facilitate driving the fixing component, the improvement of the utility model is that the driving component includes a rotating shaft, a fixed seat, a worm gear, a worm, a gear one, a driving motor and a gear two, two groups of fixed seats are symmetrically and fixedly arranged on the outer wall at the rear side near the top of the detection box, through holes are arranged on the fixed seats, a rotating shaft is rotatably arranged in the through holes, worms are fixedly arranged at both ends of the rotating shaft, a worm gear is connected to the rear end of the rotating rod, the worm and the worm gear are meshed with each other, a gear one is fixedly arranged between the two fixed seats on the rotating shaft, a driving motor is fixedly arranged on the rear side wall of the detection box below the rotating shaft, and a gear two is fixedly arranged at the output end of the driving motor, and the gear two is meshed with the gear one.

[0011] For the convenience of water storage, the improvement of the present utility model is that the water storage assembly includes a water tank, a water suction pipe, and a first water pump. A water tank and a first water pump are fixedly arranged on the rear side wall of the detection box below the driving motor. A water suction pipe is connected between the output end of the first water pump and the water tank, and the input end of the first water pump is communicated with the detection box.

[0012] For the convenience of supplying water to the detection box, the improvement of the present utility model further includes a second water pump and a water supply pipe. A second water pump is fixedly arranged on the outer wall at the rear side of the detection box above the first water pump. A water supply pipe is connected between the input end of the second water pump and the water tank, and the output end of the second water pump is communicated with the detection box.

[0013] For the convenience of filtering water, the improvement of the present utility model further includes a filter, and a filter is connected to the water suction pipe.

[0014] For the convenience of viewing bubbles, the improvement of the present utility model further includes a supplementary light and a viewing window. Supplementary lights are fixedly arranged on the left and right inner walls of the detection box, and a viewing window is embedded on the outer wall at the front side of the detection box.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present utility model provides a transformer housing leakage detection device, which has the following beneficial effects:

[0017] In this transformer housing leakage detection device, part of the clear water is pumped away by the water storage assembly. The transformer housing is placed on the top of the placement plate, and the hydraulic cylinder lowers the placement plate and the transformer housing into the detection box. The driving assembly drives the fixing assembly to fix the top of the transformer housing. Subsequently, the water storage assembly conveys the water into the detection box again to submerge the transformer housing, and it is judged whether there is leakage in the transformer housing by checking whether there are bubbles floating out. After the detection is completed, the placement plate is lifted by the hydraulic cylinder, so that the transformer housing can be removed from the detection box. This structure is simple to operate and has good practicability. Description of the drawings

[0018] Figure 1 It is a schematic structural diagram of the present utility model;

[0019] Figure 2 For the present utility model Figure 1 Another perspective schematic diagram of the structure;

[0020] Figure 3 It is a schematic diagram of the internal structure of the detection box of the present utility model;

[0021] Figure 4 For the present utility model Figure 3 Another perspective schematic diagram of the structure;

[0022] Figure 5 It is a schematic diagram of the internal structure of the water tank of the present utility model.

[0023] In the figure: 1. Detection box; 2. Sleeve; 3. Curved arm; 4. Fixed block; 5. Rotating rod; 6. Worm gear; 7. Worm; 8. Rotating shaft; 9. Fixed seat; 10. First gear; 11. Driving motor; 12. Second gear; 13. Water tank; 14. First water pump; 15. Second water pump; 16. Water suction pipe; 17. Filter; 18. Water supply pipe; 19. Hydraulic cylinder; 20. Placing plate; 21. Supplementary light; 22. Viewing window. Specific implementation mode

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1-5 , a leakage detection device for a transformer housing, including a detection box 1. A placing component is arranged in the detection box 1. The placing component includes a hydraulic cylinder 19 and a placing plate 20. The hydraulic cylinder 19 is fixedly arranged on the inner bottom wall of the detection box 1, and the output end of the hydraulic cylinder 19 is fixedly provided with the placing plate 20. Fixing components are arranged on the outer walls on both sides of the detection box 1, a driving component is arranged on the outer wall at the rear of the detection box 1, and a water storage component. The detection box 1 is filled with clear water. Part of the clear water is pumped away through the water storage component. The transformer housing is placed on the top of the placing plate 20. The hydraulic cylinder 19 lowers the placing plate 20 and the transformer housing into the detection box 1. The driving component drives the fixing component to fix the top of the transformer housing. Subsequently, water is conveyed into the detection box 1 again through the water storage component to submerge the transformer housing, and it is judged whether there is leakage in the transformer housing by checking whether there are bubbles floating out.

[0026] Please refer to Figure 1 , the above fixing component can be any one. An embodiment is provided in this application. The fixing component includes a sleeve 2, a curved arm 3 and a rotating rod 5. Sleeves 2 are fixedly arranged on the outer walls on the left and right near the top of the detection box 1. A rotating rod 5 is rotatably arranged in the sleeve 2. Curved arms 3 are fixedly arranged on the outer walls on both sides of the rotating rod 5. The rotating rod 5 rotates in the sleeve 2, which can make the curved arms 3 turn into the detection box 1 and can fix the top of the transformer housing on the placing component to prevent the transformer housing from floating up.

[0027] Please refer to Figure 1 , further, it also includes a fixed block 4. Fixed blocks 4 are fixedly arranged at one ends of the two curved arms 3. The fixed block 4 is made of plastic and has an arc-shaped surface. By contacting the transformer housing with the fixed block 4, it can prevent the transformer housing from being scratched.

[0028] Please refer to Figure 2 , the above-mentioned driving component can be any one. This application provides an embodiment. The driving component includes a rotating shaft 8, a fixed seat 9, a worm gear 6, a worm 7, a first gear 10, a driving motor 11, and a second gear 12. Two groups of fixed seats 9 are symmetrically fixed on the outer wall of the rear side near the top of the detection box 1. A through hole is provided on the fixed seat 9, and a rotating shaft 8 is rotatably arranged in the through hole. Worms 7 are fixedly arranged at both ends of the rotating shaft 8. The rear end of the rotating rod 5 is connected to a worm gear 6. The worm 7 and the worm gear 6 are meshed with each other. A first gear 10 is fixedly arranged between the two fixed seats 9 on both sides of the rotating shaft 8. A driving motor 11 is fixedly arranged on the rear side wall of the detection box 1 below the rotating shaft 8. A second gear 12 is fixedly arranged at the output end of the driving motor 11. The second gear 12 is meshed with the first gear 10. The driving motor 11 drives the second gear 12 to rotate, further driving the first gear 10 and the fixed seat 9 to rotate, so that the two worms 7 on both sides can drive the worm gear 6 to rotate, so that the two rotating rods 5 on both sides can rotate synchronously. Through the driving component, the two fixed components can rotate synchronously.

[0029] Please refer to Figure 2 and 5 , the above-mentioned water storage component can be any one. This application provides an embodiment. The water storage component includes a water tank 13, a water suction pipe 16, and a first water pump 14. A water tank 13 and a first water pump 14 are fixedly arranged on the rear side wall of the detection box 1 below the driving motor 11. A water suction pipe 16 is connected between the output end of the first water pump 14 and the water tank 13. The input end of the first water pump 14 is communicated with the detection box 1. Before placing the transformer shell on the placing component in the detection box 1, the water in the detection box 1 needs to be collected. The water in the detection box 1 is conveyed into the water tank 13 through the first water pump 14. When the water level in the detection box 1 drops, the transformer shell is placed on the placing plate 20, which is convenient for the hydraulic cylinder 19 to control the placing plate 20 to descend into the detection box 1.

[0030] Please refer to Figure 2 and 5 , further, it also includes a second water pump 15 and a water supply pipe 18. A second water pump 15 is fixedly arranged on the outer wall of the rear side of the detection box 1 above the first water pump 14. A water supply pipe 18 is connected between the input end of the second water pump 15 and the water tank 13. The output end of the second water pump 15 is communicated with the detection box 1. When the transformer shell completely enters the detection box 1, the water stored in the water tank 13 is sent into the detection box 1 through the second water pump 15.

[0031] Please refer to Figure 2 , further, it also includes a filter 17. A filter 17 is connected to the water suction pipe 16. By adding the filter 17, the water can be filtered to prevent the water from becoming turbid and being unfavorable for viewing bubbles. The filter 17 is a prior art structure and is well known to those skilled in the art. The specific connection method will not be specifically described.

[0032] Please refer to Figure 1 , 3 , 4, and 5. Further, it also includes a supplementary light 21 and a viewing window 22. The supplementary light 21 is fixedly arranged on the left and right inner walls of the detection box 1, and the viewing window 22 is embedded on the front outer wall of the detection box 1. The water in the detection box 1 is supplemented with light through the supplementary light 21, and the upward floating of the bubbles can be directly viewed through the viewing window 22.

[0033] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A leakage detection device for a transformer housing, comprising a detection box (1), characterized in that: A placement component is provided inside the detection box (1). The placement component includes a hydraulic cylinder (19) and a placement plate (20). The hydraulic cylinder (19) is fixedly arranged on the inner wall of the bottom of the detection box (1), and the output end of the hydraulic cylinder (19) is fixedly provided with the placement plate (20). Fixing components are arranged on the outer walls on both sides of the detection box (1), a driving component, and a water storage component are arranged on the outer wall at the rear of the detection box (1).

2. The leakage detection device for a transformer housing according to claim 1, wherein: The fixing components include sleeves (2), crank arms (3), and rotating rods (5). Sleeves (2) are fixedly arranged on the left and right outer walls near the top of the detection box (1). A rotating rod (5) is rotatably arranged inside the sleeve (2), and crank arms (3) are fixedly arranged on the outer walls on both sides of the sleeve (2) where the rotating rod (5) is located.

3. The leakage detection device for a transformer housing according to claim 2, characterized in that: It also includes fixing blocks (4). Fixing blocks (4) are fixedly arranged at one end of the two crank arms (3). The fixing blocks (4) are made of plastic and have an arc-shaped surface.

4. A transformer housing leakage detection device according to claim 1, characterized in that: The driving component includes a rotating shaft (8), a fixed seat (9), a worm gear (6), a worm (7), a first gear (10), a driving motor (11), and a second gear (12). Two groups of fixed seats (9) are symmetrically fixed on the outer wall at the rear near the top of the detection box (1). Through holes are provided on the fixed seats (9), and the rotating shaft (8) is rotatably arranged inside the through holes. Worms (7) are fixedly arranged at both ends of the rotating shaft (8). The rear end of the rotating rod (5) is connected with a worm gear (6). The worm (7) and the worm gear (6) are meshed with each other. A first gear (10) is fixedly arranged between the two fixed seats (9) where the rotating shaft (8) is located. A driving motor (11) is fixedly arranged on the rear side wall of the detection box (1) below the rotating shaft (8). The output end of the driving motor (11) is fixedly provided with a second gear (12), and the second gear (12) is meshed with the first gear (10).

5. The leakage detection device for a transformer housing according to claim 1, wherein: The water storage component includes a water tank (13), a water suction pipe (16), and a first water pump (14). The water tank (13) and the first water pump (14) are fixedly arranged on the rear side wall of the detection box (1) below the driving motor (11). A water suction pipe (16) is connected between the output end of the first water pump (14) and the water tank (13), and the input end of the first water pump (14) is communicated with the detection box (1).

6. The leakage detection device for a transformer housing according to claim 5, wherein: It also includes a second water pump (15) and a water supply pipe (18). The second water pump (15) is fixedly arranged on the outer wall at the rear of the detection box (1) above the first water pump (14). A water supply pipe (18) is connected between the input end of the second water pump (15) and the water tank (13), and the output end of the second water pump (15) is communicated with the detection box (1).

7. An apparatus for detecting leakage of a transformer housing according to claim 6, characterized in that: It also includes a filter (17). The filter (17) is connected to the water suction pipe (16).

8. The leakage detection device for a transformer housing according to claim 1, wherein: It also includes a supplementary light (21) and a viewing window (22). The supplementary light (21) is fixedly arranged on the left and right inner walls of the detection box (1), and the viewing window (22) is embedded on the front side wall of the detection box (1).

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