CN217485248U

CN217485248U - Oil-immersed transformer bushing antifouling cover

Info

Publication number: CN217485248U
Application number: CN202221686672.9U
Authority: CN
Inventors: 陈艳青; 张翼
Original assignee: BAODING TIANWEI HENGTONG ELECTRIC CO LTD
Current assignee: BAODING TIANWEI HENGTONG ELECTRIC CO LTD
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-09-23
Anticipated expiration: 2032-07-01

Abstract

The utility model discloses an oil-immersed transformer bushing dirt-proof cover, including the pipe box main part, the fixed baffle that has cup jointed in pipe box main part surface lower part, two protective sheaths, two have been cup jointed in the surface activity of pipe box main part the surface of protective sheath has all coated the inoxidizing coating, the front side the protective sheath surface left part is passed through the hinge and is articulated with the rear side protective sheath, the front side second fixed block and first fixed block are do not installed to the surface right part of protective sheath and the surface right part of rear side protective sheath, the front end activity interlude of second fixed block is connected with fixed part, the rectangular channel has been seted up to the front end of first fixed block, fixed part extends to the rectangular channel in. An oil-immersed transformer bushing dirt proof boot, through setting up the installation that fixed part has improved the protective sheath and dismantle efficiency, easy operation has improved work efficiency, can improve the life of protective sheath through setting up the inoxidizing coating, has improved the live time of protective sheath.

Description

Oil-immersed transformer bushing antifouling cover

Technical Field

The utility model relates to a transformer bushing protects technical field, in particular to antifouling cover of oil-immersed transformer bushing.

Background

The oil immersed transformer bushing is a main insulation device outside a transformer box, and lead-out wires of a transformer winding must penetrate through the insulation bushing to enable the lead-out wires and a transformer shell to be insulated, and meanwhile, the oil immersed transformer bushing plays a role in fixing the lead-out wires. The insulating sleeve has the forms of a pure porcelain sleeve, an oil-filled sleeve, a capacitor sleeve and the like due to different voltage grades. The pure porcelain bushing is mainly used for transformers of 10kV and below, a conductive copper rod is penetrated in the porcelain bushing, and air insulation is adopted in the porcelain bushing; the oil-filled bushing is mainly used for 35kV transformers, oil is filled in a porcelain bushing, a conductive copper rod penetrates through the porcelain bushing, and insulating paper is wrapped outside the copper rod; the condenser type bushing is used for a high-voltage transformer with the voltage of more than 100kV, and because the bushing is exposed outside for a long time, stains exist on the bushing, the using effect is affected, and a protective cover is sleeved on the bushing.

The prior art (application number: 202020676733.8) discloses a transformer bushing anti-fouling cover, which comprises a left anti-fouling cover and a right anti-fouling cover, wherein the lower surface of the left anti-fouling cover is fixedly connected with a left mounting seat, the upper surface of the left anti-fouling cover is fixedly connected with a left sealing neck, the lower surface of the right anti-fouling cover is fixedly connected with a right mounting seat, the upper surface of the right anti-fouling cover is fixedly connected with a right sealing neck, and two sides of the left anti-fouling cover are provided with first sealing grooves.

Although above-mentioned patent is through left antifouling cover, right side antifouling cover, the seal groove, the setting of sealed piece and connecting plate, in using, overlap left antifouling cover and right protection cover on transformer bushing surface, then screw up the bolt on connecting plate surface and fix, make transformer bushing can avoid exposing in the air, lead to being infected with the dust, antifouling cover can carry out certain protection to the sleeve pipe simultaneously, to a great extent avoids it to receive the damage, but there is following drawback, the aforesaid is fixed through the bolt, installation and dismouting are comparatively loaded down with trivial details, influence work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an antifouling cover of oil-immersed transformer sleeve pipe can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an oil-immersed transformer bushing dirt-proof boot, includes the pipe box main part, the fixed baffle that has cup jointed in pipe box main part surface lower part, two protective sheaths, two have been cup jointed in the surface activity of pipe box main part the surface of protective sheath all coats and has had the inoxidizing coating, the front side the protective sheath surface left part is passed through the hinge and is articulated with the rear side protective sheath, the front side second fixed block and first fixed block are do not installed to the surface right part of protective sheath and the surface right part of rear side protective sheath, the front end activity interlude of second fixed block is connected with fixed part, the rectangular channel has been seted up to the front end of first fixed block, fixed part extends to the rectangular channel in, the rear side the front end of protective sheath is provided with the sealing washer, two first semicircular groove and second semicircular groove have been seted up in proper order to the inside from the top down of protective sheath.

In order to improve the efficiency setting of installation and dismantlement protective sheath the fixed part, the fixed part includes the dead lever, dead lever activity interlude is connected on the second fixed block, the circular port has been seted up to the lower extreme of dead lever, the upper wall fixedly connected with spring of circular port, the cylinder is installed to the lower extreme of spring, the lower extreme of cylinder is provided with the depression bar, the outer fixed surface of depression bar has cup jointed the retaining ring.

Preferably, the lower wall of the rectangular groove is provided with a clamping groove, the lower wall of the clamping groove is provided with a circular through groove, and the inner wall of the circular through groove is provided with a limiting groove.

The protective layer is arranged for prolonging the service life of the protective sleeve and comprises a primer coating, the primer coating is coated on the outer surface of the protective sleeve, and acid-resistant alkali-resistant nano ceramic paint is arranged on the outer side of the primer coating.

Preferably, the rear end of the fixing rod extends into the rectangular groove, the lower end of the column body extends into the clamping groove, the pressing rod is located in the circular through groove, and the check ring is located in the limiting groove.

Preferably, the baffle is located in the two second semicircular grooves.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model relates to an oil-immersed transformer bushing antifouling cover, through setting up the installation and the dismantlement efficiency of the fixed part improvement protective sheath, during the dismantlement, press the depression bar and promote the cylinder to get into the circular hole completely, then outwards extract the dead lever, just can accomplish the dismantlement, during the installation, overlap the protective sheath on the pipe box main part, press the cylinder into the circular hole, then push the dead lever in second fixed block and first fixed block in proper order, make the cylinder fall into the draw-in groove, just can accomplish the installation, easy operation has improved work efficiency;

2. the utility model relates to an antifouling cover of oil-immersed transformer sleeve pipe can improve the life of protective sheath through setting up the inoxidizing coating, and acid and alkali resistant nanometer ceramic coating has acid and alkali resistance, wear-resisting and high temperature resistance's advantage, and hardness is high to H, and is wear-resisting scraping-resistant again, has avoided the protective sheath to receive the influence of corrosive substance and high temperature, has improved the live time of protective sheath.

Drawings

Fig. 1 is a schematic view of the overall structure of the oil immersed transformer bushing anti-fouling cover of the present invention;

fig. 2 is a schematic view of an expanded structure of the oil-immersed transformer bushing anti-fouling cover of the present invention;

fig. 3 is an explosion structure diagram of the fixing component of the oil immersed transformer bushing anti-fouling cover of the present invention;

fig. 4 is a schematic cross-sectional structure view of a first fixing block of the oil-immersed transformer bushing anti-fouling cover of the present invention;

fig. 5 is the utility model relates to a structural schematic diagram of the inoxidizing coating of oil-immersed transformer bushing dirt-proof boot.

In the figure: 1. a sleeve body; 2. a protective sleeve; 3. a protective layer; 4. a first fixed block; 5. a second fixed block; 6. a fixing member; 7. a seal ring; 8. a baffle plate; 9. a rectangular groove; 10. a first semicircular groove; 11. a second semi-circular slot; 61. fixing the rod; 62. a circular hole; 63. a spring; 64. a cylinder; 65. a pressure lever; 66. a retainer ring; 91. a card slot; 92. a circular through groove; 93. a limiting groove; 31. a primer coating; 32. acid and alkali resistant nano ceramic paint.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, an oil-immersed transformer bushing anti-fouling cover comprises a bushing main body 1, a baffle 8 is fixedly sleeved on the lower portion of the outer surface of the bushing main body 1, two protective sleeves 2 are movably sleeved on the outer surface of the bushing main body 1, protective layers 3 are respectively coated on the outer surfaces of the two protective sleeves 2, the left portion of the outer surface of the front protective sleeve 2 is hinged to the rear protective sleeve 2 through a hinge, the front side is characterized in that a second fixed block 5 and a first fixed block 4 are respectively installed on the right portion of the outer surface of the protective sleeve and the right portion of the outer surface of the rear protective sleeve, a fixed part 6 is movably inserted into the front end of the second fixed block 5, a rectangular groove 9 is formed in the front end of the first fixed block 4, the fixed part 6 extends into the rectangular groove 9, a sealing ring 7 is arranged at the front end of the rear protective sleeve 2, and a first semicircular groove 10 and a second semicircular groove 11 are sequentially formed in the two protective sleeves 2 from top to bottom.

The fixing part 6 comprises a fixing rod 61, the fixing rod 61 is movably connected to the second fixing block 5 in an inserting mode, a circular hole 62 is formed in the lower end of the fixing rod 61, a spring 63 is fixedly connected to the upper wall of the circular hole 62, a cylinder 64 is installed at the lower end of the spring 63, a pressing rod 65 is arranged at the lower end of the cylinder 64, a retainer ring 66 is fixedly sleeved on the outer surface of the pressing rod 65, the fixing part 6 is used for improving the installing and disassembling efficiency of the protective sleeve 2, the operation is simple, the working efficiency is improved, during disassembling, the pressing rod 65 is pressed to push the cylinder 64 to completely enter the circular hole 62, then the fixing rod 61 is pulled out outwards to complete disassembling, during installing, the protective sleeve 2 is sleeved on the sleeve main body 1, the cylinder 64 is pressed into the circular hole 62, then the fixing rod 61 is sequentially pushed into the second fixing block 5 and the first fixing block 4, and when the rear end of the fixing rod 61 is in contact with the rear wall of the rectangular groove 9, the post 64 falls into the slot 91 to complete the fixation.

Draw-in groove 91 has been seted up to the lower wall of rectangular channel 9, and circular logical groove 92 has been seted up to the lower wall of draw-in groove 91, and spacing groove 93 has been seted up to the inner wall of circular logical groove 92.

Inoxidizing coating 3 includes priming paint coating 31, priming paint coating 31 coats the surface at protective sheath 2, priming paint coating 31's the outside is provided with acidproof alkali-resistant nano ceramic coating 32, inoxidizing coating 3 is used for improving protective sheath 2's life, protective sheath 2's live time has been improved, acidproof alkali-resistant nano ceramic coating 32 has acid and alkali resistance, wear-resisting and high temperature resistant advantage, hardness is 6H, but temperature resistant to 400 degrees, it receives corrosive substance and high temperature's influence to have avoided protective sheath 2.

The rear end of the fixing rod 61 extends into the rectangular groove 9, the lower end of the column 64 extends into the clamping groove 91, the clamping groove 91 is smaller than the column 64, the pressing rod 65 is located in the circular through groove 92, the length of the pressing rod 65 is larger than the height of the circular through groove 92, the check ring 66 is located in the limit groove 93, the limit groove 93 is used for limiting the movement of the check ring 66, and the baffle 8 is located in the two second semicircular grooves 11.

It should be noted that, the utility model relates to an oil-immersed transformer bushing antifouling cover, when in use, when in installation, the protective sleeve 2 is sleeved on the bushing main body 1, the baffle 8 is positioned in two second semi-circular grooves 11, the cylinder 64 is pressed into the circular hole 62, then the fixed rod 61 is pushed into the second fixed block 5 and the first fixed block 4 in sequence, when the rear end of the fixed rod 61 is contacted with the rear wall of the rectangular groove 9, the cylinder 64 falls into the clamping groove 91, the installation can be completed, when in disassembly, the pressing pressure lever 65 pushes the cylinder 64 to completely enter the circular hole 62, then the fixed rod 61 is pulled out outwards, the protective sleeve 2 is taken down, the disassembly can be completed, the service life of the protective sleeve 2 can be prolonged by arranging the protective layer 3, the acid and alkali resistant nano ceramic coating 32 has the advantages of acid and alkali resistance, wear resistance and high temperature resistance, the hardness is as high as 6H, wear resistance and scratch resistance, the influence of corrosive substances and high temperature on the protective sleeve 2 is avoided, and the service time of the protective sleeve 2 is prolonged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an antifouling cover of oil-immersed transformer sleeve pipe, includes pipe box main part (1), its characterized in that: fixed baffle (8) of having cup jointed in pipe box main part (1) surface lower part, two protective sheath (2), two have been cup jointed in the surface activity of pipe box main part (1) the surface of protective sheath (2) all is coated with inoxidizing coating (3), the front side the surface left part of protective sheath (2) is passed through the hinge and is articulated with rear side protective sheath (2), the front side second fixed block (5) and first fixed block (4) are installed respectively to the surface right part of protective sheath (2) and the surface right part of rear side protective sheath (2), the front end activity interlude of second fixed block (5) is connected with fixed part (6), rectangular groove (9) have been seted up to the front end of first fixed block (4), fixed part (6) extend to in rectangular groove (9), the rear side the front end of protective sheath (2) is provided with sealing washer (7), two first semicircular groove (10) and first circular groove (10) have been seted up from the top down in proper order to the inside of protective sheath (2) Two semicircular grooves (11).

2. The oil-immersed transformer bushing dirt-proof cover of claim 1, characterized in that: fixed part (6) include dead lever (61), dead lever (61) activity interlude is connected on second fixed block (5), circular port (62) have been seted up to the lower extreme of dead lever (61), upper wall fixedly connected with spring (63) of circular port (62), cylinder (64) are installed to the lower extreme of spring (63), the lower extreme of cylinder (64) is provided with depression bar (65), retaining ring (66) have been cup jointed to the external fixed surface of depression bar (65).

3. The oil-immersed transformer bushing dirt-proof cover of claim 2, characterized in that: the lower wall of the rectangular groove (9) is provided with a clamping groove (91), the lower wall of the clamping groove (91) is provided with a circular through groove (92), and the inner wall of the circular through groove (92) is provided with a limiting groove (93).

4. The oil-filled transformer bushing dirt-proof cover according to claim 3, characterized in that: the protective layer (3) comprises a primer coating (31), the primer coating (31) is coated on the outer surface of the protective sleeve (2), and acid-resistant and alkali-resistant nano ceramic paint (32) is arranged on the outer side of the primer coating (31).

5. The oil filled transformer bushing dirt-proof boot of claim 4, wherein: the rear end of the fixing rod (61) extends into the rectangular groove (9), the lower end of the column body (64) extends into the clamping groove (91), the pressing rod (65) is located in the circular through groove (92), and the check ring (66) is located in the limiting groove (93).

6. The oil-filled transformer bushing dirt-proof cover according to claim 5, characterized in that: the baffle (8) is positioned in the two second semicircular grooves (11).