Transformer bushing oil level self-adaptive compensation equipment

Abstract

The invention belongs to the technical field of power equipment, and discloses transformer bushing oil level self-adaptive compensation equipment which comprises an oil tank and further comprises a scraping mechanism arranged in the inner wall of the oil tank; the oil outlet is fixedly connected to the outer wall of the bottom end of the oil tank, and the outer wall of the bottom end of the oil tank is fixedly connected with a water outlet; the oil injection port is fixedly connected to the outer wall of the oil tank; the spraying mechanism is arranged in the oil tank; the cleaning mechanism is arranged in the inner wall of the oil tank; through cooperation of structures such as a scraping plate and a sliding block, the scraping plate is driven by an electric push rod to move up and down, impurities or oil sludge on the inner wall of the oil tank can be cleaned, cleaning liquid or clean water in the liquid storage tank can eject valves open and is sprayed out of a spray head to be sprayed on the inner wall of the oil tank, and therefore cleaning operation can be automatically completed; and an operator does not need to manually add cleaning liquid or clean water, so that the operation is more convenient.

Description

Technical Field

[0001] The invention belongs to the technical field of electric power equipment, and in particular relates to a transformer bushing oil level self-adaptive compensation device. Background Art

[0002] The transformer bushing oil level adaptive compensation device is a device used for transformer bushings. It can automatically monitor and adjust the oil level in the bushing in real time according to various operating conditions during transformer operation, such as oil temperature changes and ambient temperature changes, so that it is always kept within the appropriate range to ensure the insulation performance and heat dissipation effect of the transformer bushing and ensure the safe and stable operation of the transformer.

[0003] The oil level compensation device completes the oil filling operation by storing oil in the oil tank and connecting it to the oil inlet of the transformer bushing through the bottom of the oil tank. After being stored for a long time, the transformer oil will age due to factors such as oxidation and high temperature, and produce some colloids, asphalt and other substances. Although the oil tank is sealed, a small amount of dust and impurities may enter the oil tank during the refueling process. Impurities such as sludge and dust will adhere to the inner wall of the oil tank. In some existing technologies, the equipment does not have an automatic cleaning mechanism inside, and the operator needs to manually clean and maintain the inner wall, which is more troublesome and increases the work intensity. Therefore, a transformer bushing oil level adaptive compensation device is proposed to address the above problems. Summary of the Invention

[0004] In order to solve the problems raised in the above background technology, the present invention provides a transformer bushing oil level adaptive compensation device.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a transformer bushing oil level adaptive compensation device, comprising an oil tank and further comprising: a scraping mechanism, the scraping mechanism being arranged in the inner wall of the oil tank; An oil outlet, the oil outlet is fixedly connected to the outer wall of the bottom end of the oil tank, and the outer wall of the bottom end of the oil tank is fixedly connected to a water outlet; An oil filling port, the oil filling port being fixedly connected to the outer wall of the oil tank; A spray mechanism, wherein the spray mechanism is arranged in the oil tank; a cleaning mechanism, the cleaning mechanism being arranged in the inner wall of the fuel tank; Wherein, the scraping mechanism includes a scraper, and the inner wall of the scraper is fixedly connected to a bidirectional cylinder; The spray mechanism includes a liquid storage box, and the outer wall of the liquid storage box is fixedly connected to a connecting pipe; The cleaning mechanism comprises a water storage tank, and an extrusion plate is slidably connected to the inner wall of the water storage tank.

[0006] Preferably, the movable end of the bidirectional cylinder is fixedly connected to a plug rod, the inner wall of the oil tank is provided with a pressure chamber, the inner wall of the pressure chamber is elastically connected to a slider through a reset spring, the outer wall of the slider is provided with a groove, and the outer wall of the slider is fixedly connected to a closing strip.

[0007] Preferably, an electric push rod is fixedly connected to the top outer wall of the oil tank, the movable end of the electric push rod is fixedly connected to the outer wall of the scraper, the outer wall of the scraper contacts the inner wall of the oil tank, and the insertion rod is engaged with the groove.

[0008] Preferably, one end of the return spring is fixedly connected to the outer wall of the slider, the other end of the return spring is fixedly connected to the inner wall of the pressure chamber, the slider is slidably connected to the inner wall of the pressure chamber, and the closing strip is fixedly connected to the inner wall of the oil tank.

[0009] Preferably, the inner wall of the liquid storage box is provided with a valve, the outer wall of the bottom end of the liquid storage box is fixedly connected to a circular tube, and the outer wall of the bottom end of the circular tube is fixedly connected to a nozzle.

[0010] Preferably, the liquid storage box is fixedly connected to the top outer wall of the oil tank, the connecting pipe is communicated with the pressure chamber, and the bottom outer wall of the liquid storage box passes through the top outer wall of the oil tank.

[0011] Preferably, a water outlet cavity is opened on the inner wall of the oil tank, a water injection pipe is fixedly connected to the outer wall of the water storage tank, a moving rod is fixedly connected to the outer wall of the bottom end of the extrusion plate, a moving plate is fixedly connected to the outer wall of the moving rod, and the moving plate is elastically connected to the inner wall of the oil tank through a telescopic spring.

[0012] Preferably, the water storage tank is fixedly connected to the top outer wall of the oil tank, and the water injection pipe is connected to the water outlet cavity.

[0013] Preferably, the water injection pipe is fixedly connected to the inner wall of the oil tank, the moving rod passes through the top outer wall of the oil tank, and the moving rod is slidably connected to the bottom outer wall of the water storage tank.

[0014] Preferably, one end of the telescopic spring is fixedly connected to the outer wall of the movable plate, the other end of the telescopic spring is fixedly connected to the inner wall of the oil tank, and the movable plate is slidably connected to the inner wall of the oil tank.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention cooperates with structures such as a scraper and a slider, and drives the scraper to move up and down by an electric push rod, so as to clean impurities or oil sludge on the inner wall of the oil tank. In the process of the scraper moving up and down, the air pressure in the pressure chamber can be increased by the movement of the slider, so that the internal pressure of the corresponding liquid storage tank is increased, and the cleaning liquid or clean water in the liquid storage tank can push open the valve and be sprayed out from the nozzle to spray on the inner wall of the oil tank. Therefore, the cleaning operation can be completed automatically and the operator does not need to manually add cleaning liquid or clean water, which saves manpower, reduces the work intensity of the operator, and is more convenient. The present invention cooperates with structures such as an extrusion plate and a water outlet chamber. When the scraper moves upward, the moving rod is squeezed, causing the extrusion plate to move upward inside the water storage tank, and pushing the water inside the water storage tank out from the water injection pipe into the water outlet chamber. Under the action of pressure, the water is sprayed upward under the scraper to flush the cleaning liquid or impurities remaining on the bottom of the scraper to avoid affecting the cleaning effect during subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 This is a schematic diagram of the cross-sectional structure of the fuel tank of the present invention; Figure 3 Schematic diagram of the cross section and valve structure of the liquid storage box of the present invention; Figure 4 This is a schematic diagram of the exploded structure of the oil tank, scraper section, and bidirectional cylinder of the present invention; Figure 5 This is a schematic diagram of the oil tank cross section, scraper, and slider structure of the present invention; Figure 6 This is a schematic diagram of the fuel tank cross section and the cleaning mechanism structure of the present invention; Figure 7 For the present invention Figure 6 A schematic diagram of the enlarged structure of part A.

[0017] In the figure: 1. Oil tank; 2. Electric push rod; 3. Scraping mechanism; 31. Scraper; 32. Bidirectional cylinder; 33. Insert rod; 34. Slider; 35. Groove; 36. Closing strip; 37. Return spring; 38. Pressure chamber; 4. Spraying mechanism; 41. Liquid storage tank; 42. Connecting pipe; 43. Valve; 44. Circular pipe; 45. Spray head; 5. Cleaning mechanism; 51. Water outlet chamber; 52. Water filling pipe; 53. Water storage tank; 54. Extrusion plate; 55. Telescopic spring; 56. Moving plate; 57. Moving rod; 6. Oil filling port; 7. Oil outlet; 8. Water outlet. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] like Figures 1 to 7 As shown, the present invention provides a transformer bushing oil level adaptive compensation device, including an oil tank 1, and also including: A scraping mechanism 3 is provided in the inner wall of the oil tank 1; The oil outlet 7 is fixedly connected to the outer wall of the bottom end of the oil tank 1, and the outer wall of the bottom end of the oil tank 1 is fixedly connected to the water outlet 8; An oil filling port 6 is fixedly connected to the outer wall of the oil tank 1; The spray mechanism 4 is provided in the oil tank 1; A cleaning mechanism 5 is provided in the inner wall of the fuel tank 1; The scraping mechanism 3 includes a scraper 31, and a bidirectional cylinder 32 is fixedly connected to the inner wall of the scraper 31; The spray mechanism 4 includes a liquid storage box 41, and a connecting pipe 42 is fixedly connected to the outer wall of the liquid storage box 41; The cleaning mechanism 5 includes a water storage tank 53 , and an extrusion plate 54 is slidably connected to the inner wall of the water storage tank 53 .

[0020] The above scheme is adopted: the oil tank 1 is filled with the oil required for the transformer bushing and can be installed above the transformer bushing. The oil outlet 7 can be connected to the oil inlet of the transformer bushing through a hose. The outer wall of the oil outlet 7 is provided with a solenoid valve, and the inside of the transformer bushing is provided with a sensor. The sensor monitors the oil temperature, oil pressure and ambient temperature and other parameters in the transformer bushing in real time. When it is necessary to compensate the internal oil level, the solenoid valve can be driven to open by the control system to flow the oil in the oil tank 1 from the oil outlet 7 into the transformer bushing to complete the adaptive oil replenishment operation. The above are all existing technologies; the scraping mechanism 3 can automatically scrape and clean the inner wall of the oil tank 1 when the oil in the oil tank 1 is used up to prevent impurities such as sludge or dust from adhering to the inner wall of the oil tank 1 and affecting the oil quality. In the scraping and cleaning process, cleaning liquid and clean water can be automatically sprayed onto the inner wall of the oil tank 1, and the scraper 31 in the scraping mechanism 3 can also be automatically sprayed with water for cleaning. No manual operation is required by the operator, which is more convenient.

[0021] like Figure 2 、 Figures 4 and 5As shown, the movable end of the two-way cylinder 32 is fixedly connected to the insertion rod 33, the inner wall of the oil tank 1 is provided with a pressure chamber 38, the inner wall of the pressure chamber 38 is elastically connected to the slider 34 through the return spring 37, the outer wall of the slider 34 is provided with a groove 35, and the outer wall of the slider 34 is fixedly connected to the closing strip 36.

[0022] The above scheme is adopted: the two-way cylinder 32 is a prior art, and its movable end can move laterally, and when it moves to the right, the left side of the movable end is retracted, and vice versa, the right side is retracted. The movable ends of the two-way cylinder 32 are both provided with an insertion rod 33; the pressure chamber 38 is a cavity, and the slider 34 slides in the pressure chamber 38. The upper and lower sides of the slider 34 are both provided with a closing strip 36, which is made of polyethylene material and has a certain flexibility. It will not chemically react with the oil, and the closing strip 36 is foldable. Figure 4 and Figure 5 As shown, when the slider 34 is at the upper position, the upper closing strip 36 is in a folded state, and the lower closing strip 36 is unfolded. When the slider 34 moves to the lower position, the upper closing strip 36 is unfolded and the lower closing strip 36 is folded, so that the pressure chamber 38 can be closed by the two sets of closing strips 36 to prevent the oil in the oil tank 1 from flowing into the pressure chamber 38. In the process of the slider 34 moving to the lower position, the gas in the pressure chamber 38 will be squeezed, and the spray mechanism 4 will be driven to automatically spray cleaning fluid or clean water for cleaning. The outer wall of the water outlet 8 is also provided with a solenoid valve. When the solenoid valve is opened, the cleaning water, cleaning fluid and impurities can be discharged from the water outlet 8.

[0023] like Figure 2 、 Figures 4 and 5 As shown, the top outer wall of the oil tank 1 is fixedly connected to the electric push rod 2, the movable end of the electric push rod 2 is fixedly connected to the outer wall of the scraper 31, the outer wall of the scraper 31 is in contact with the inner wall of the oil tank 1, and the insertion rod 33 is engaged with the groove 35; one end of the return spring 37 is fixedly connected to the outer wall of the slider 34, the other end of the return spring 37 is fixedly connected to the inner wall of the pressure chamber 38, the slider 34 is slidably connected to the inner wall of the pressure chamber 38, and the closing strip 36 is fixedly connected to the inner wall of the oil tank 1.

[0024] When the push rod 33 of the two-way cylinder 32 in the scraper 31 is disengaged from the groove 35 on the slider 34 on both sides, the two-way cylinder 32 can be activated to move its movable end to the left or right, driving the corresponding insertion rod 33 to be inserted into the groove 35 on the outer wall of the slider 34 on the left or right side; after the insertion rod 33 is inserted into the groove 35 on the outer wall of the slider 34 on one side, the scraper 31 can be driven to move up and down synchronously; when the slider 34 moves downward, the return spring 37 is stretched, and when it moves upward, the return spring 37 returns to its initial state, and when the insertion rod 33 of the two-way cylinder 32 in the scraper 31 is out of contact with the groove 35 on the slider 34 on one side, the slider 34 on the side will automatically return to its initial position under the elastic force of the return spring 37, that is, it is at the top, as shown in FIG. Figure 4 By setting the bidirectional cylinder 32, the scraper 31 can be automatically adjusted to drive the left or right slider 34 to move.

[0025] like Figures 2 to 3 As shown, a valve 43 is provided on the inner wall of the liquid storage box 41 , a circular tube 44 is fixedly connected to the outer wall of the bottom end of the liquid storage box 41 , and a nozzle 45 is fixedly connected to the outer wall of the bottom end of the circular tube 44 .

[0026] The liquid storage box 41 is fixedly connected to the top outer wall of the oil tank 1 , the connecting pipe 42 is connected to the pressure chamber 38 , and the bottom outer wall of the liquid storage box 41 passes through the top outer wall of the oil tank 1 .

[0027] Adopting the above solution: there are two groups of liquid storage boxes 41 and connecting pipes 42, which are symmetrically distributed on the outer walls of both sides of the oil tank 1. Figure 1 As shown, the left liquid storage tank 41 is filled with clean water, and the right liquid storage tank 41 is filled with cleaning fluid, and the two sets of connecting pipes 42 are respectively connected to the pressure chambers 38 on both sides. When the scraper 31 drives the left slider 34 to move downward, the gas pressure in the left pressure chamber 38 will act on the clean water in the left liquid storage tank 41 through the left connecting pipe 42, causing the clean water to push open the valve 43 and flow into the circular tube 44 and be sprayed out from the nozzle 45. Conversely, when the scraper 31 drives the right slider 34 to move downward, the right liquid storage tank 41 will automatically spray out the cleaning fluid; the nozzle 45 is in an inclined state, and the clean water or cleaning fluid will be sprayed on the inner wall of the oil tank 1, so that in the process of the scraper 31 constantly moving up and down, it can not only spray automatically, but also be switched, first cleaning with the cleaning fluid and then spraying with clean water for further cleaning, which does not require manual operation by the operator and is more convenient.

[0028] like Figures 6 and 7As shown, a water outlet cavity 51 is provided on the inner wall of the oil tank 1, a water injection pipe 52 is fixedly connected to the outer wall of the water storage tank 53, a moving rod 57 is fixedly connected to the outer wall of the bottom end of the extrusion plate 54, and a moving plate 56 is fixedly connected to the outer wall of the moving rod 57. The moving plate 56 is elastically connected to the inner wall of the oil tank 1 through a telescopic spring 55.

[0029] The above scheme is adopted: the part near the inner side of the water outlet chamber 51 is inclined, and the water in the water storage tank 53 can flow into the water outlet chamber 51 and be sprayed upward at an angle under the action of pressure, so as to rinse and clean the bottom of the scraper 31 above and remove impurities attached to its surface; when the two-way cylinder 32 in the scraper 31 drives the two side rods 33 to disengage from the grooves 35 on the two side sliders 34, it can be driven by the electric push rod 2 to move upward again, and squeeze the moving rod 57 and the squeezing plate 54, thereby generating pressure on the water in the water storage tank 53, and the water flows into the water outlet chamber 51 from the water injection pipe 52 and is sprayed out for flushing.

[0030] like Figures 6 and 7 As shown, the water storage tank 53 is fixedly connected to the top outer wall of the oil tank 1, and the water injection pipe 52 is connected to the water outlet chamber 51; the water injection pipe 52 is fixedly connected to the inner wall of the oil tank 1, the movable rod 57 passes through the top outer wall of the oil tank 1, and the movable rod 57 is slidingly connected to the bottom outer wall of the water storage tank 53; one end of the telescopic spring 55 is fixedly connected to the outer wall of the movable plate 56, and the other end of the telescopic spring 55 is fixedly connected to the inner wall of the oil tank 1, and the movable plate 56 is slidingly connected to the inner wall of the oil tank 1.

[0031] Adopting the above scheme: when the moving rod 57 drives the squeezing plate 54 to move upward, the water in the water storage tank 53 will flow upward into the water injection pipe 52 under the lifting force of the squeezing plate 54. At the same time, the moving plate 56 will squeeze the telescopic spring 55 to shrink it. After the scraper 31 completes the flushing, the electric push rod 2 will drive it to move downward. At this time, the moving plate 56 will move downward and reset under the elastic force of the telescopic spring 55, and drive the moving rod 57 to move downward synchronously, so that the squeezing plate 54 moves to the bottom of the water storage tank 53, and the cleaning mechanism 5 as a whole can be returned to its initial position.

[0032] The working principle and use process of the present invention: The oil tank 1 stores the oil required for the transformer bushing and is installed above the transformer bushing. The oil outlet 7 is connected to the oil inlet of the transformer bushing through a hose. When the sensor inside the transformer bushing detects that the internal oil level needs to be compensated, the control system drives the solenoid valve to open, and the oil in the oil tank 1 flows into the transformer bushing from the oil outlet 7, completing automatic oil replenishment. When the oil in the oil tank 1 is used up, the scraper 31 is moved to the position corresponding to the sliders 34 on both sides by the electric push rod 2, and the two-way cylinder 32 is started, and its movable end moves to the right, driving the insertion rod 33 to insert into the groove 35 on the outer wall of the right slider 34. Thereafter, the electric push rod 2 is started to drive the scraper 31 and the right slider 34 to move downward synchronously, and the left slider 34 remains in place; when the right slider 34 moves downward, the gas in the right pressure chamber 38 is squeezed, and the pressure acts on the cleaning fluid in the right liquid storage tank 41 through the right connecting pipe 42, and the cleaning fluid pushes open the valve 43 and is sprayed out from the nozzle 45 through the circular pipe 44; and combined with the movable end of the electric push rod 2 to drive the scraper 31 up and down, the scraper 31 contacts the inner wall of the oil tank 1, scrapes off impurities such as sludge and dust attached to the inner wall of the oil tank 1, and improves the cleaning effect through the cleaning fluid.

[0033] Next, the scraper 31 is moved to the position corresponding to the slider 34, so that the movable end of the two-way cylinder 32 moves to the left, and the left insertion rod 33 is inserted into the groove 35 of the left slider 34. Then the electric push rod 2 is started, and the scraper 31 drives the left slider 34 to move downward. The left liquid storage tank 41 automatically sprays out clean water, and the cleaning liquid and residual impurities on the outer wall of the oil tank 1 are rinsed with clean water, and the solenoid valve of the water outlet 8 is opened to discharge it from the water outlet 8. The cleaning operation does not require manual operation by the operator, nor does it require manual intervention to add cleaning liquid or clean water, which is more convenient and saves manpower.

[0034] After cleaning is completed, some impurities or cleaning liquid will remain under the scraper 31. At this time, the two-way cylinder 32 can drive the two-way cylinder 32 to drive the two side rods 33 to disengage the grooves 35 on the two side sliders 34. Under the elastic force of the return spring 37, the slider 34 will move back to the initial state, and then the scraper 31 is driven to move by the electric push rod 2. The electric push rod 2 drives the scraper 31 to move upward, squeezing the moving rod 57 and the squeezing plate 54. The water in the water storage tank 53 flows into the water outlet chamber 51 through the water injection pipe 52 under the lifting force of the squeezing plate 54, and is sprayed upward from the inner side of the inclined water outlet chamber 51 under the action of pressure, flushing the bottom of the scraper 31 and removing impurities attached to the surface; after flushing is completed, the electric push rod 2 drives the scraper 31 to move downward, and the moving plate 56 moves downward and resets under the elastic force of the telescopic spring 55, driving the moving rod 57 and the squeezing plate 54 to return to the initial position, so that the cleaning mechanism 5 is reset as a whole.

[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0036] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A transformer bushing oil level adaptive compensation device, comprising an oil tank (1), characterized in that: Also includes: A scraping mechanism (3), the scraping mechanism (3) being arranged in the inner wall of the oil tank (1); An oil outlet (7), the oil outlet (7) being fixedly connected to the outer wall of the bottom end of the oil tank (1), and the outer wall of the bottom end of the oil tank (1) being fixedly connected to a water outlet (8); An oil filling port (6), the oil filling port (6) being fixedly connected to the outer wall of the oil tank (1); A spray mechanism (4), wherein the spray mechanism (4) is arranged in the oil tank (1); A cleaning mechanism (5), the cleaning mechanism (5) being arranged in the inner wall of the oil tank (1); The scraping mechanism (3) comprises a scraper (31), and a bidirectional cylinder (32) is fixedly connected to the inner wall of the scraper (31); The spray mechanism (4) comprises a liquid storage box (41), and a connecting pipe (42) is fixedly connected to the outer wall of the liquid storage box (41); The cleaning mechanism (5) comprises a water storage tank (53), and an extrusion plate (54) is slidably connected to the inner wall of the water storage tank (53).

2. The transformer bushing oil level adaptive compensation device according to claim 1, characterized in that: The movable end of the bidirectional cylinder (32) is fixedly connected to an insert rod (33), the inner wall of the oil tank (1) is provided with a pressure chamber (38), the inner wall of the pressure chamber (38) is elastically connected to a slider (34) via a return spring (37), the outer wall of the slider (34) is provided with a groove (35), and the outer wall of the slider (34) is fixedly connected to a closing strip (36).

3. The transformer bushing oil level adaptive compensation device according to claim 2, characterized in that: The top outer wall of the oil tank (1) is fixedly connected to an electric push rod (2), the movable end of the electric push rod (2) is fixedly connected to the outer wall of the scraper (31), the outer wall of the scraper (31) contacts the inner wall of the oil tank (1), and the insertion rod (33) is engaged with the groove (35).

4. The transformer bushing oil level adaptive compensation device according to claim 2, characterized in that: One end of the return spring (37) is fixedly connected to the outer wall of the slider (34), the other end of the return spring (37) is fixedly connected to the inner wall of the pressure chamber (38), the slider (34) is slidably connected to the inner wall of the pressure chamber (38), and the closing strip (36) is fixedly connected to the inner wall of the oil tank (1).

5. The transformer bushing oil level adaptive compensation device according to claim 1, characterized in that: The inner wall of the liquid storage box (41) is provided with a valve (43), the outer wall of the bottom end of the liquid storage box (41) is fixedly connected to a circular tube (44), and the outer wall of the bottom end of the circular tube (44) is fixedly connected to a nozzle (45).

6. The transformer bushing oil level adaptive compensation device according to claim 5, characterized in that: The liquid storage box (41) is fixedly connected to the top outer wall of the oil tank (1), the connecting pipe (42) is connected to the pressure chamber (38), and the bottom outer wall of the liquid storage box (41) passes through the top outer wall of the oil tank (1).

7. The transformer bushing oil level adaptive compensation device according to claim 1, characterized in that: The inner wall of the oil tank (1) is provided with a water outlet cavity (51), the outer wall of the water storage tank (53) is fixedly connected to a water injection pipe (52), the outer wall of the bottom end of the extrusion plate (54) is fixedly connected to a moving rod (57), the outer wall of the moving rod (57) is fixedly connected to a moving plate (56), and the moving plate (56) is elastically connected to the inner wall of the oil tank (1) via a telescopic spring (55).

8. The transformer bushing oil level adaptive compensation device according to claim 7, characterized in that: The water storage tank (53) is fixedly connected to the top outer wall of the oil tank (1), and the water injection pipe (52) is connected to the water outlet cavity (51).

9. The transformer bushing oil level adaptive compensation device according to claim 7, characterized in that: The water injection pipe (52) is fixedly connected to the inner wall of the oil tank (1), the moving rod (57) passes through the top outer wall of the oil tank (1), and the moving rod (57) is slidably connected to the bottom outer wall of the water storage tank (53).

10. The transformer bushing oil level adaptive compensation device according to claim 7, characterized in that: One end of the telescopic spring (55) is fixedly connected to the outer wall of the movable plate (56), the other end of the telescopic spring (55) is fixedly connected to the inner wall of the oil tank (1), and the movable plate (56) is slidably connected to the inner wall of the oil tank (1).

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