CN115331932A

CN115331932A - Transformer bushing

Info

Publication number: CN115331932A
Application number: CN202211047914.4A
Authority: CN
Inventors: 庞洪奎; 陈炯坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-11-11

Abstract

The invention belongs to the field of transformer bushings, and particularly relates to a transformer bushing which comprises an upper porcelain bushing, wherein an oil tank is fixedly arranged at the top of the upper porcelain bushing, a binding post is fixedly arranged at one end, away from the upper porcelain bushing, of the oil tank, a fixed seat is fixedly arranged at one end, away from the oil tank, of the upper porcelain bushing, a lower porcelain bushing is fixedly arranged at one side, away from the upper porcelain bushing, of the fixed seat, an equalizing ring is fixedly arranged at one end, away from the fixed seat, of the lower porcelain bushing, a core is fixedly arranged between the equalizing ring and the binding post, an oilpaper capacitor is wound on the outer side, located inside the upper porcelain bushing, of the core, insulating oil is filled inside the oil tank, a through hole is formed between the oil tank and the oilpaper capacitor to be communicated with the oil tank, a rotating disc is rotatably arranged outside the fixed seat, transmission cases are respectively fixedly arranged on two sides of the rotating disc, a first rotating arm is rotatably arranged on one side of the transmission cases, and the outer portion of the upper porcelain bushing can be periodically cleaned to avoid flashover after surface dirt absorbs moisture.

Description

Transformer bushing

Technical Field

The invention belongs to the field of transformer bushings, and particularly relates to a transformer bushing.

Background

The transformer bushing is a high-voltage device widely applied in a power system, is fixedly installed on a shell of a transformer, one end of the transformer bushing is exposed outside the transformer and is electrically connected with external electric conductors such as cables, and the other end of the transformer bushing extends into the transformer and is electrically connected with an internal lead in the transformer.

The transformer bushing is exposed outside, and the surface can gather dirty, and its insulation resistance reduces after dirty absorption moisture, takes place the flashover easily and leads to tripping operation, and the flashover can damage the bushing surface simultaneously.

Therefore, a transformer bushing which can regularly clean the outer part of the upper porcelain bushing to avoid flashover after surface dirt absorbs moisture is urgently needed.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a transformer bushing which can be used for periodically cleaning the outer part of an upper porcelain bushing to avoid flashover after surface dirt absorbs water.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a transformer bushing, includes the insulator, it has set firmly the oil tank to go up the insulator top, the oil tank is kept away from insulator one end and has set firmly the terminal, it has set firmly the fixing base to go up the insulator and keep away from oil tank one end, the fixing base is kept away from insulator one side and has set firmly down the insulator, the insulator is kept away from fixing base one end and has set firmly the equalizer ring down, the core has set firmly between equalizer ring and the terminal, the outside winding that the core is located the insulator inside is equipped with the oiled paper electric capacity, the inside insulating oil that is filled with of oil tank, it has the through-hole intercommunication to open between oil tank and the oiled paper electric capacity, the fixing base outside is rotated and is equipped with the rolling disc, the rolling disc both sides have set firmly the transmission case respectively, transmission case one side is rotated and is equipped with first rotor arm, can regularly clear up the insulator outside and avoid taking place the flashover behind the dirty moisture that absorbs of surface.

Preferably, a bevel gear ring is fixedly sleeved on the outer side of the fixed seat, motors are fixedly arranged on two sides of the inner portion of the rotating disc respectively, a first bevel gear is fixedly arranged at the output end of each motor and is in meshed transmission with the bevel gear ring, and a battery is fixedly arranged on one side of each motor for supplying power.

Preferably, a fourth bevel gear is rotatably arranged on one side, located on the first bevel gear, of the rotating disc, a third bevel gear is rotatably arranged on the fourth bevel gear in the direction close to the transmission case, and a rotating shaft of the third bevel gear is connected with a rotating shaft of the fourth bevel gear through a universal joint.

Preferably, one side of the transmission case is rotatably provided with a damping pipe sleeve, the damping pipe sleeve is fixedly connected with the first rotating arm, one end, far away from the first rotating arm, of the outer portion of the damping pipe sleeve is rotatably provided with a second bevel gear, one side, close to the first rotating arm, of the second bevel gear is fixedly provided with a damping wheel, the damping wheel is in damping contact with the damping pipe sleeve, and the first rotating arm can be driven to rotate to be close to the surface of the upper porcelain sleeve while the rotating disc is driven to rotate.

Preferably, the inside transmission case department that is close to of first rocking arm rotates and is equipped with first drive wheel, first drive wheel pivot stretches into inside and fixed connection of transmission case, first drive wheel is fixed with the transmission case, the inside first drive wheel one end of keeping away from of first rocking arm rotates and is equipped with the second drive wheel, be connected through the hold-in range between second drive wheel and the first drive wheel, the hold-in range rotates along the surface direction and is equipped with a plurality of guide pulleys and leads, the outside and the fixedly connected with second rocking arm of first rocking arm is stretched out to the pivot in the second drive wheel, the outside rotation cover of second drive wheel pivot is equipped with fixed pipe box, fixed pipe box and first rocking arm fixed connection, the fixed cover outside is equipped with the second drive wheel, the inside second drive wheel one end rotation of keeping away from of second rocking arm is equipped with the third drive wheel, be connected through another hold-in range between third drive wheel and the second drive wheel.

Preferably, first rocking arm and second rocking arm opening part have set firmly the rubber baffle respectively, first rocking arm evenly rotates respectively with the second rocking arm is inside to be equipped with a plurality of clearance poles, the outside brush hair that evenly is covered with of clearance pole, the clearance pole is close to the inside slip of hold-in range one end and is equipped with the slide bar, pass through spring coupling between slide bar and the clearance pole, the slide bar is kept away from spring one end and is rotated and be equipped with the damping piece, the hold-in range runs through inside and damping sliding contact of damping piece, the damping piece is close to clearance pole one side and has set firmly the baffle on one side and carry on spacingly, can make the clearance pole rotate after first rocking arm, second rocking arm expand and stretch out and contact the insulator surface and clear up.

Advantageous effects

The invention provides a transformer bushing through improvement, compared with the prior art, the transformer bushing has the following improvements and advantages:

1. through setting up rolling disc and first rocking arm, can regularly clear up the porcelain bushing outside and avoid taking place the flashover after dirty absorption moisture in surface.

2. Through setting up damping pipe box and damping wheel, can drive first rotor arm rotation and be close to porcelain bushing surface when drive rolling disc pivoted.

3. Through setting up the clearance pole, can make the rotation of clearance pole stretch out and contact porcelain sleeve surface and clear up after first rocking arm, the expansion of second rocking arm.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 3 at C;

FIG. 6 is an enlarged view of a portion of FIG. 3 at D;

FIG. 7 is an enlarged view of a portion E of FIG. 5;

FIG. 8 is an enlarged view of a portion of FIG. 4 at F;

fig. 9 is a partial enlarged view of fig. 4 at G.

In the figure: 10. a binding post; 11. an oil tank; 12. mounting a porcelain bushing; 13. a core; 14. an oiled paper capacitor; 15. a fixed seat; 16. rotating the disc; 17. a motor; 18. a first rotating arm; 19. a lower porcelain bushing; 20. a grading ring; 21. a rubber partition plate; 22. cleaning the rod; 23. a synchronous belt; 24. a guide wheel; 25. a second transmission wheel; 26. a spring; 27. a slide bar; 28. a damping block; 29. a baffle plate; 30. a first bevel gear; 31. a first drive pulley; 32. a conical gear ring; 33. a battery; 34. a damping pipe sleeve; 35. a damping wheel; 36. a second bevel gear; 37. a third bevel gear; 38. a universal joint; 39. a fourth bevel gear; 40. fixing the pipe sleeve; 41. a second transmission wheel; 42. a third transmission wheel; 43. a second rotating arm; 45. a transmission case.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-9, a transformer bushing comprises an upper porcelain bushing 12, an oil tank 11 is fixedly arranged at the top of the upper porcelain bushing 12, a terminal 10 is fixedly arranged at one end, away from the upper porcelain bushing 12, of the oil tank 11, a fixing base 15 is fixedly arranged at one end, away from the oil tank 11, of the upper porcelain bushing 12, a lower porcelain bushing 19 is fixedly arranged at one side, away from the fixing base 12, of the fixing base 15, a grading ring 20 is fixedly arranged at one end, away from the fixing base 15, of the lower porcelain bushing 19, a core 13 is fixedly arranged between the grading ring 20 and the terminal 10, the core 13 is wound on the outer side, located inside the upper porcelain bushing 12, of the oil paper capacitor 14, insulating oil is filled inside the oil tank 11, a through hole is formed between the oil tank 11 and the oil paper capacitor 14 to communicate with each other, a rotating disc 16 is rotatably arranged outside the fixing base 15, transmission cases 45 are respectively fixedly arranged on two sides of the rotating disc 16, a first rotating arm 18 is rotatably arranged on one side of the transmission case 45, and the outer portion of the upper porcelain bushing 12 can be regularly cleaned to avoid flashover after surface dirt absorbs moisture.

Furthermore, a bevel gear ring 32 is fixedly sleeved outside the fixed seat 15, a motor 17 is fixedly arranged on each of two sides inside the rotating disc 16, a first bevel gear 30 is fixedly arranged at an output end of the motor 17, the first bevel gear 30 is in meshing transmission with the bevel gear ring 32, and a battery 33 is fixedly arranged on one side of the motor 17 for supplying power.

Furthermore, a fourth bevel gear 39 is rotatably arranged on one side of the first bevel gear 30 inside the rotating disc 16, a third bevel gear 37 is rotatably arranged in the direction of the fourth bevel gear 39 close to the transmission case 45, and a rotating shaft of the third bevel gear 37 is connected with a rotating shaft of the fourth bevel gear 39 through a universal joint 38.

Furthermore, a damping pipe sleeve 34 is rotatably arranged on one side of the transmission case 45, the damping pipe sleeve 34 is fixedly connected with the first rotating arm 18, a second bevel gear 36 is rotatably arranged at one end, far away from the first rotating arm 18, of the outer portion of the damping pipe sleeve 34, a damping wheel 35 is fixedly arranged on one side, close to the first rotating arm 18, of the second bevel gear 36, the damping wheel 35 is in damping contact with the damping pipe sleeve 34, and the first rotating arm 18 can be driven to rotate to be close to the surface of the upper porcelain sleeve 12 while the rotating disc 16 is driven to rotate.

Further, a first transmission wheel 31 is rotatably arranged in the first rotating arm 18 close to the transmission box 45, a rotating shaft of the first transmission wheel 31 extends into the transmission box 45 and is fixedly connected with the transmission box 45, the first transmission wheel 31 is fixed with the transmission box 45, one end of the first rotating arm 18, far away from the first transmission wheel 31, is rotatably provided with a second transmission wheel 25, the second transmission wheel 25 is connected with the first transmission wheel 31 through a synchronous belt 23, the synchronous belt 23 is rotatably provided with a plurality of guide wheels 24 along the surface direction for guiding, a rotating shaft in the second transmission wheel 25 extends out of the first rotating arm 18 and is fixedly connected with a second rotating arm 43, a fixed pipe sleeve 40 is rotatably sleeved on the outer portion of the rotating shaft of the second transmission wheel 25, the fixed pipe sleeve 40 is fixedly connected with the first rotating arm 18, a second transmission wheel 41 is fixedly sleeved on the outer portion of the fixed pipe sleeve 40, one end, far away from the second transmission wheel 41, in the second rotating arm 43, is rotatably provided with a third transmission wheel 42, and the second transmission wheel 41 are connected through another synchronous belt 23.

Furthermore, rubber partition plates 21 are fixedly arranged at openings of the first rotating arm 18 and the second rotating arm 43 respectively, a plurality of cleaning rods 22 are uniformly arranged inside the first rotating arm 18 and the second rotating arm 43 in a rotating mode respectively, bristles are uniformly distributed outside the cleaning rods 22, a sliding rod 27 is arranged inside one end, close to the synchronous belt 23, of each cleaning rod 22 in a sliding mode, the sliding rod 27 is connected with the cleaning rods 22 through a spring 26, one end, far away from the spring 26, of each sliding rod 27 is rotatably provided with a damping block 28, the synchronous belt 23 penetrates through the inside of the damping block 28 and is in damping sliding contact with the damping block, a baffle 29 is fixedly arranged on one side, close to one side of the cleaning rods 22, of each damping block 28 for limiting, and the cleaning rods 22 can be rotated to stretch out and contact the surface of the porcelain bushing 12 to be cleaned after the first rotating arm 18 and the second rotating arm 43 of the first rotating arm are unfolded.

Principle of operation

When the transformer bushing starts to be started from a static state, the fixed seat 15 is installed at the top of the voltage transformer box, the conducting wires are respectively connected with the wiring terminals 10 and the equalizing ring 20 to be communicated, and current is isolated and insulated from the transformer box.

The motor 17 is started according to the inspection result of a worker or is started according to a set time, the motor 17 is started to drive the first bevel gear 30 to rotate, the first bevel gear 30 is meshed with the bevel gear ring 32 to rotate, the rotary disc 16 rotates under the driving of an interaction force, the bevel gear ring 32 and the fourth bevel gear 39 relatively displace, the fourth bevel gear 39 rotates and drives the third bevel gear 37 to rotate through the universal joint 38, the third bevel gear 37 drives the damping wheel 35 and the damping wheel damping pipe sleeve 34 to rotate through the second bevel gear 36, the damping pipe sleeve 34 drives the first rotary arm 18 to rotate towards the upper porcelain bushing 12, the first rotary arm 18 and the first transmission wheel 31 relatively rotate, the first transmission wheel 31 drives the second transmission wheel 25 to rotate through the synchronous belt 23, the second transmission wheel 25 drives the second rotary arm 43 to rotate, the second rotary arm 43 and the second transmission wheel 41 relatively rotate, and the second transmission wheel 41 drives the third transmission wheel 42 to rotate through the synchronous belt 23.

At this time, the synchronous belts 23 inside the first rotating arm 18 and the second rotating arm 43 both rotate relative to each other, the synchronous belts 23 drive the damping blocks 28 to move, the damping blocks 28 drive the cleaning rods 22 to rotate through the sliding rods 27, the springs 26 are compressed, the cleaning rods 22 push the rubber partition 21 open and then extend out of the cleaning rod 22, and at this time, the bristles on the surface of the cleaning rods 22 just contact with the surface of the upper porcelain sleeve 12.

After the first rotating arm 18 rotates ninety degrees, the limiting block is blocked, at the moment, damping rotation occurs between the damping wheel 35 and the damping pipe sleeve 34, the rotating disc 16 still rotates, the cleaning rod 22 surrounds the surface of the upper porcelain sleeve 12 to clean the upper porcelain sleeve, after the cleaning rod is cleaned for a period of time, the motor 17 rotates reversely, and all parts reset.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.

Claims

1. The utility model provides a transformer bushing, includes insulator (12), its characterized in that, it has set firmly oil tank (11) to go up insulator (12) top, insulator (12) one end has set firmly terminal (10) on oil tank (11) are kept away from, it has set firmly fixing base (15) to go up insulator (12) and keep away from oil tank (11) one end, insulator (19) have set firmly down insulator (19) on one side of last insulator (12) are kept away from in fixing base (15) down, insulator (19) keep away from fixing base (15) one end and have set firmly equalizer ring (20), set firmly core (13) between equalizer ring (20) and terminal (10), core (13) are located the outside winding of insulator (12) inside and are equipped with oiled paper electric capacity (14), oil tank (11) inside is filled with insulating oil, it has the through-hole intercommunication to open between oil tank (11) and oiled paper electric capacity (14), fixing base (15) outside is rotated and is equipped with rolling disc (16), driving disc (16) both sides have set firmly transmission case (45) respectively, one side is equipped with first commentaries on one side and changes arm (18).

2. The transformer bushing of claim 1, wherein a bevel gear ring (32) is fixedly secured outside the fixed seat (15), a motor (17) is fixedly secured to each of two inner sides of the rotating disc (16), a first bevel gear (30) is fixedly secured to an output end of the motor (17), the first bevel gear (30) is in meshing transmission with the bevel gear ring (32), and a battery (33) is fixedly secured to one side of the motor (17) for supplying power.

3. The transformer bushing according to claim 2, wherein a fourth bevel gear (39) is rotatably arranged inside the rotary disc (16) on one side of the first bevel gear (30), a third bevel gear (37) is rotatably arranged on the fourth bevel gear (39) in a direction close to the transmission case (45), and a rotating shaft of the third bevel gear (37) is connected with a rotating shaft of the fourth bevel gear (39) through a universal joint (38).

4. The transformer bushing according to claim 3, wherein a damping sleeve (34) is rotatably disposed on one side of the transmission case (45), the damping sleeve (34) is fixedly connected to the first rotating arm (18), a second bevel gear (36) is rotatably disposed on an end of the outer portion of the damping sleeve (34) away from the first rotating arm (18), a damping wheel (35) is fixedly disposed on one side of the second bevel gear (36) close to the first rotating arm (18), and the damping wheel (35) is in damping contact with the damping sleeve (34).

5. The transformer bushing according to claim 4, wherein a first transmission wheel (31) is rotatably disposed inside the first rotating arm (18) and close to the transmission case (45), a rotating shaft of the first transmission wheel (31) extends into the transmission case (45) and is fixedly connected to the transmission case, the first transmission wheel (31) is fixed to the transmission case (45), one end of the first rotating arm (18) which is far away from the first transmission wheel (31) is rotatably disposed with a second transmission wheel (25), the second transmission wheel (25) is connected to the first transmission wheel (31) through a synchronous belt (23), the synchronous belt (23) is rotatably disposed with a plurality of guide wheels (24) along a surface direction for guiding, a rotating shaft inside the second transmission wheel (25) extends out of the first rotating arm (18) and is fixedly connected with a second rotating arm (43), a rotating sleeve outside the rotating shaft of the second transmission wheel (25) is provided with a fixing sleeve (40), the fixing sleeve (40) is fixedly connected to the first rotating arm (18), a second fixing sleeve (41) is disposed outside the fixing sleeve (40), one end of the second transmission wheel (43) which is far away from the second rotating sleeve (41) is connected to the second transmission wheel (41), and another end of the second transmission wheel (23) is connected to the third transmission wheel (41).

6. The transformer bushing according to claim 5, wherein rubber partition plates (21) are fixedly arranged at openings of the first rotating arm (18) and the second rotating arm (43), a plurality of cleaning rods (22) are respectively and uniformly arranged inside the first rotating arm (18) and the second rotating arm (43) in a rotating mode, bristles are uniformly distributed on the outer portion of each cleaning rod (22), a sliding rod (27) is arranged inside one end, close to the synchronous belt (23), of each cleaning rod (22) in a sliding mode, the sliding rod (27) is connected with the cleaning rod (22) through a spring (26), a damping block (28) is arranged at one end, far away from the spring (26), of each sliding rod (27) in a rotating mode, the synchronous belt (23) penetrates through the inside of the damping block (28) and is in damping sliding contact, and a baffle plate (29) is fixedly arranged on one side, close to the cleaning rod (22), of the damping block (28) for limiting.