CN214254027U - Pure porcelain bushing convenient to disassemble and assemble for transformer - Google Patents

Abstract

The utility model discloses a pure porcelain bushing for transformer convenient to disassemble and assemble, which is characterized in that a first flange plate and a second flange plate are fixed by screwing a positioning bolt, when the pure porcelain bushing is required to be taken off from a box cover body, an operator uses an operation tool to unscrew the positioning bolt, so that the first flange plate can be taken off from the second flange plate, the second flange plate can transversely slide on a guide rail by the transverse sliding of a supporting block on the guide rail, and the second flange plate can be assembled and disassembled from the box cover body, and the quick disassembly and assembly of the pure porcelain bushing can be still realized without a lifting seat by assembling and disassembling the first flange plate and the second flange plate, thereby reducing the production cost of the transformer.

Description

Pure porcelain bushing convenient to disassemble and assemble for transformer

Technical Field

The utility model relates to a transformer technical field especially relates to a pure porcelain bushing is used to transformer convenient to dismouting.

Background

At present, the sleeve of a transformer with the voltage level of 35kV or below is generally of a pure porcelain structure, and in order to facilitate the disassembly and assembly of the sleeve under the condition of no oil drainage or no hanging cover, an operation hand hole needs to be reserved nearby for the transformer, and the sleeve is generally installed on a lifting seat.

However, the lifting seat used by the existing pure porcelain bushing only provides a convenient condition for arranging the hand hole, and has no other use value, thereby increasing the production cost of the transformer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pure porcelain sleeve pipe for transformer convenient to dismouting aims at solving the current pure porcelain sleeve pipe among the prior art and uses the rising seat and only for setting up the condition of facilitating, does not have other use value to lead to the technical problem of transformer manufacturing cost increase.

In order to achieve the purpose, the utility model discloses a pure porcelain bushing for transformer, which is convenient to disassemble and assemble, comprising a conducting rod, a porcelain bushing, a box cover body and a connecting component; the porcelain bushing is fixedly connected with the conducting rod and sleeved outside the conducting rod, and the box cover body is connected with the conducting rod in a sliding mode and is positioned on one side, far away from the porcelain bushing, of the conducting rod; the connecting assembly comprises a first flange plate, a second flange plate, a positioning bolt and a guide member, the first flange plate is fixedly connected with the conducting rod and is positioned on one side of the conducting rod, which is far away from the porcelain sleeve, the second flange plate is connected with the first flange plate in a sliding manner and is positioned on one side of the first flange plate, which is far away from the porcelain sleeve, and the positioning bolt is connected with the first flange plate in a sliding manner, is detachably connected with the second flange plate and is positioned on one side of the first flange plate, which is close to the second flange plate; the guide member comprises a guide rail and a supporting block, the guide rail is fixedly connected with the box cover body and is positioned on one side, close to the second flange, of the box cover body, the guide rail is provided with a sliding groove, the sliding groove is positioned on one side, close to the second flange, of the guide rail, and the supporting block is fixedly connected with the second flange, is slidably connected with the guide rail and is positioned on one side, close to the guide rail, of the second flange.

Wherein, coupling assembling still includes the packing ring, the packing ring with conducting rod fixed connection, and be located the conducting rod is close to one side of insulator.

Wherein, coupling assembling still includes the air release stopper, the air release stopper with the packing ring can be dismantled and be connected, and is located the packing ring is kept away from one side of conducting rod.

Wherein, coupling assembling still includes O type sealing washer, O type sealing washer with conducting rod fixed connection, and with packing ring fixed connection, and be located the conducting rod with between the packing ring.

The box cover body is provided with a through hole, and the through hole is positioned on one side, close to the second flange, of the box cover body.

Wherein, the conducting rod is internally provided with a hollow structure.

The utility model discloses a pure porcelain bushing for transformer convenient to dismouting, through positioning bolt tighten on first ring flange with the second ring flange, thereby make first ring flange with the second ring flange is fixed, when needs take off pure porcelain bushing from the case lid body, operating personnel uses operating tool will the positioning bolt unscrew, thereby make the first ring flange can take off from the second ring flange, through the lateral sliding of the supporting shoe on the guide rail, thereby make the second ring flange carry out lateral sliding on the guide rail, and then make the second ring flange can install and dismantle from the case lid body, through to the first ring flange with the installation and the dismantlement of second ring flange, thereby realized not needing to rise the seat and still can carry out quick assembly disassembly to pure porcelain bushing, thereby reducing the production cost of the transformer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the structure schematic diagram of the pure porcelain bushing for transformer convenient to disassemble and assemble.

Fig. 2 is a schematic view of the connection between the positioning bolt and the first flange of the present invention.

Fig. 3 is a schematic view of the connection between the O-ring and the gasket of the present invention.

In the figure: the transformer box cover comprises a 1-conducting rod, a 2-porcelain bushing, a 3-box cover body, a 4-connecting component, a 31-through hole, a 41-first flange plate, a 42-second flange plate, a 43-positioning bolt, a 44-guide member, a 45-gasket, a 46-air release plug, a 47-O-shaped sealing ring, a 100-transformer pure porcelain bushing convenient to disassemble and assemble, a 441-guide rail, a 442-supporting block and a 4411-sliding groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3, the utility model provides a transformer pure porcelain bushing 100 convenient for disassembly and assembly, which comprises a conductive rod 1, a porcelain bushing 2, a case cover body 3 and a connecting component 4; the porcelain bushing 2 is fixedly connected with the conducting rod 1 and sleeved outside the conducting rod 1, and the box cover body 3 is connected with the conducting rod 1 in a sliding mode and is positioned on one side, far away from the porcelain bushing 2, of the conducting rod 1; the connecting assembly 4 comprises a first flange plate 41, a second flange plate 42, a positioning bolt 43 and a guide member 44, wherein the first flange plate 41 is fixedly connected with the conducting rod 1 and is positioned on one side of the conducting rod 1 far away from the porcelain bushing 2, the second flange plate 42 is slidably connected with the first flange plate 41 and is positioned on one side of the first flange plate 41 far away from the porcelain bushing 2, and the positioning bolt 43 is slidably connected with the first flange plate 41, is detachably connected with the second flange plate 42 and is positioned on one side of the first flange plate 41 close to the second flange plate 42; the guide member 44 includes a guide rail 441 and a support block 442, the guide rail 441 is fixedly connected to the cover body 3 and is located on one side of the cover body 3 close to the second flange 42, the guide rail 441 has a sliding slot 4411, the sliding slot 4411 is located on one side of the guide rail 441 close to the second flange 42, and the support block 442 is fixedly connected to the second flange 42, is slidably connected to the guide rail 441, and is located on one side of the second flange 42 close to the guide rail 441.

In this embodiment, the porcelain bushing 2 is fixed to the conductive rod 1 by adhesion, the case cover body 3 is connected to the conductive rod 1 in a vertical sliding manner, the first flange plate 41 is fixed to the conductive rod 1 by adhesion, the second flange plate 42 is connected to the first flange plate 41 in a vertical sliding manner, the first flange plate 41 is provided with circular holes uniformly distributed in the second flange plate 42, the positioning bolts 43 are connected to the first flange plate 41 in a threaded manner and penetrate through the circular holes of the first flange plate 41, the positioning bolts 43 are connected to the second flange plate 42 in a threaded manner and penetrate through the circular holes of the second flange plate 42, the positioning bolts 43 are six in number and are uniformly distributed on the side of the first flange plate 41 away from the conductive rod, and the first flange plate 41 is screwed to the second flange plate 42 by the positioning bolts 43, so that the first flange 41 and the second flange 42 are fixed, the guide rail 441 and the cover body 3 are fixed by welding, the guide rail 441 has the rectangular sliding groove 4411, the support block 442 is engaged with the sliding groove 4411 so that the support block 442 can slide transversely in the sliding groove 4411 of the guide rail 441, the support block 442 and the second flange 42 are fixed by welding, and the support block 442 slides transversely on the guide rail 441 so that the second flange 42 slides transversely on the guide rail 441 along with the support block 442, and the second flange 42 can be mounted and dismounted from the cover body 3, so that the first flange 41 and the second flange 42 are screwed by the positioning bolts 43, and the first flange 41 and the second flange 42 are fixed, when the pure porcelain bushing needs to be taken down from the box cover body 3, an operator uses an operation tool to unscrew the positioning bolt 43, so that the first flange 41 can be taken down from the second flange 42, and the second flange 42 can transversely slide on the guide rail 441 through the transverse sliding of the supporting block 442 on the guide rail 441, so that the second flange 42 can be mounted and dismounted from the box cover body 3, and the first flange 41 and the second flange 42 can be mounted and dismounted, so that the pure porcelain bushing can be still rapidly dismounted without a lifting seat, and the production cost of the transformer is reduced.

Further, referring to fig. 1 to 3, the connecting assembly 4 further includes a gasket 45, and the gasket 45 is fixedly connected to the conductive rod 1 and is located on one side of the conductive rod 1 close to the porcelain bushing 2.

In the present embodiment, the washer 45 is fixed to the conductor bar 1 by welding, and the washer 45 is provided so that the washer 45 can seal the working portion of the conductor bar 1.

Further, referring to fig. 1 and fig. 3, the connection assembly 4 further includes a vent plug 46, and the vent plug 46 is detachably connected to the gasket 45 and is located on a side of the gasket 45 away from the conductive rod 1.

In this embodiment, an air release hole has on the packing ring 45, air release plug 46 runs through air release hole on the packing ring 45, air release plug 46 with packing ring 45 passes through threaded connection, through setting air release plug 46 to be convenient for pure sleeve pipe to bleed in the use, and then improved pure sleeve pipe's electrical property.

Further, referring to fig. 2 and 3, the connecting assembly 4 further includes an O-ring 47, and the O-ring 47 is fixedly connected to the conductive rod 1, fixedly connected to the gasket 45, and located between the conductive rod 1 and the gasket 45.

In the present embodiment, the O-ring 47 is fixed to the conductive rod 1 by welding, and is fixed to the gasket 45 by bonding, and the O-ring 47 is provided so that the O-ring 47 can further seal the upper half portion of the conductive rod 1.

Further, referring to fig. 1, the cover body 3 has a through hole 31, and the through hole 31 is located on a side of the cover body 3 close to the second flange 42.

In this embodiment, the through hole 31 is circular, the size of the through hole 31 is slightly smaller than that of the second flange 42, and the conductive rod 1 can extend into the through hole 31 by disposing the through hole 31, so as to fix the second flange 42 and the first flange 41.

Further, referring to fig. 2, the conductive rod 1 has a hollow structure inside.

In this embodiment, the conducting rod 1 is made of a red copper rod, and the conducting rod 1 is hollow, so that the weight of the conducting rod 1 can be reduced, and the production cost of the conducting rod 1 made of a pure porcelain sleeve is reduced.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (6)

1. A pure porcelain bushing convenient to disassemble and assemble for a transformer is characterized by comprising a conducting rod, a porcelain bushing, a box cover body and a connecting assembly;

the porcelain bushing is fixedly connected with the conducting rod and sleeved outside the conducting rod, and the box cover body is connected with the conducting rod in a sliding mode and is positioned on one side, far away from the porcelain bushing, of the conducting rod;

the connecting assembly comprises a first flange plate, a second flange plate, a positioning bolt and a guide member, the first flange plate is fixedly connected with the conducting rod and is positioned on one side of the conducting rod, which is far away from the porcelain sleeve, the second flange plate is connected with the first flange plate in a sliding manner and is positioned on one side of the first flange plate, which is far away from the porcelain sleeve, and the positioning bolt is connected with the first flange plate in a sliding manner, is detachably connected with the second flange plate and is positioned on one side of the first flange plate, which is close to the second flange plate;

the guide member comprises a guide rail and a supporting block, the guide rail is fixedly connected with the box cover body and is positioned on one side, close to the second flange, of the box cover body, the guide rail is provided with a sliding groove, the sliding groove is positioned on one side, close to the second flange, of the guide rail, and the supporting block is fixedly connected with the second flange, is slidably connected with the guide rail and is positioned on one side, close to the guide rail, of the second flange.

2. The transformer bushing facilitating disassembly and assembly of claim 1,

the connecting assembly further comprises a gasket, the gasket is fixedly connected with the conducting rod and is located at one side, close to the porcelain sleeve, of the conducting rod.

3. The transformer bushing facilitating disassembly and assembly of claim 2,

the connecting assembly further comprises an air release plug, the air release plug is detachably connected with the gasket and is located on one side, away from the conducting rod, of the gasket.

4. The transformer bushing facilitating disassembly and assembly of claim 2,

coupling assembling still includes O type sealing washer, O type sealing washer with conducting rod fixed connection, and with packing ring fixed connection, and be located the conducting rod with between the packing ring.

5. The transformer bushing facilitating disassembly and assembly of claim 1,

the box cover body is provided with a through hole, and the through hole is positioned on one side, close to the second flange, of the box cover body.

6. The transformer bushing facilitating disassembly and assembly of claim 1,

the conducting rod is internally of a hollow structure.

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