CN210805457U

CN210805457U - Fully-sealed oil tank for power transformer

Info

Publication number: CN210805457U
Application number: CN201922096032.7U
Authority: CN
Inventors: 刘剑锋; 赵金钟
Original assignee: Wuhan Feipu General Equipment Co ltd
Current assignee: Wuhan Feipu General Equipment Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-06-19
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a totally enclosed oil tank for power transformer relates to transformer technical field. The utility model discloses an oil tank body, case lid, closing plate and bolt, the top rigid coupling of oil tank body has the arc frame, and the top of arc frame is equipped with first draw-in groove, and the equal rigid coupling in four sides of case lid has hydrophobic groove, and the second draw-in groove has been seted up to the interior bottom of case lid, and the closing plate is located between oil tank body and the case lid, and the closing plate upper surface rigid coupling has the lower surface rigid coupling of first square frame and closing plate to have the square frame of second. The utility model discloses a rainwater that hydrophobic tank, closing plate and arc frame can hydrophobic tank can dredge the case lid and flow down effectively prevents the entering of moisture and the loss that volatilizees of transformer oil, avoids some exudations of transformer.

Description

Fully-sealed oil tank for power transformer

Technical Field

The utility model belongs to the technical field of the transformer, especially, relate to a totally enclosed oil tank for power transformer.

Background

A power transformer is a stationary electrical device that is used to transform an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values.

Current oil tank for power transformer only through the bolt with power transformer tank cap and oil tank body fixed seal in the use, and the phenomenon of sealed not tight can take place often to this kind of sealed mode, and the rainwater can corrode the junction of tank cap and oil tank body often, very easily causes volatilizing or revealing of the inside fluid of oil tank to influence power transformer's normal use, sealing performance is relatively poor.

Therefore, the utility model designs a totally enclosed oil tank for power transformer to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a totally enclosed oil tank for power transformer, through setting up the hydrophobic trough, closing plate and arc frame, the rainwater that the case lid flows down can be dredged to the hydrophobic trough, the rainwater of avoiding flowing down is along the hookup location of case lid bottom surface edgewise corrosion case lid and oil tank body, the arc frame can increase the area of contact of case lid and oil tank body, effectively prevent the entering of moisture and the volatile loss of transformer oil, the closing plate has strengthened the leakproofness of case lid and oil tank body, avoid what the transformer had oozes, the solution of current transformer tank seal not tight, the rainwater can corrode the junction of oil tank lid and oil tank body often, very easily cause the problem of volatilizing or revealing of the inside fluid of oil tank.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a full-sealed oil tank for a power transformer, which comprises an oil tank body, a tank cover, a sealing plate and a bolt;

the top of the oil tank body is fixedly connected with an arc-shaped frame, the top of the arc-shaped frame is provided with a first clamping groove, four side surfaces of the tank cover are fixedly connected with drain grooves, and the inner bottom of the tank cover is provided with a second clamping groove;

the sealing plate is positioned between the oil tank body and the tank cover, the upper surface of the sealing plate is fixedly connected with a first square frame, and the lower surface of the sealing plate is fixedly connected with a second square frame;

the first square frame is located inside the second clamping groove, the second square frame is located inside the first clamping groove, and the inner surface of the box cover is in close contact with the outer surface of the arc-shaped frame.

Further, the tank cover, the sealing plate and the oil tank body are fixedly connected through bolts.

Furthermore, the top of case lid fixed mounting has fuel gauge, high-pressure bushing and low pressure sleeve pipe.

Further, all the rigid coupling has a plurality of fin and equal rigid coupling has two hanger plates on two of them sides of oil tank body on four sides of oil tank body, the bottom rigid coupling of oil tank body has two mounting panels.

Furthermore, two the mounting panel is the channel-section steel, seted up the mounting hole on the mounting panel.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up the hydrophobic tank, the rainwater that flows down from the case lid can be dredged to the hydrophobic tank, and the rainwater that has the arc bottom can avoid flowing down is along the hookup location of case lid bottom surface edgewise corruption case lid and oil tank body for the sealing performance of oil tank is lasting, stable.

2. The utility model discloses a set up arc frame and closing plate, the arc frame can increase the area of contact of case lid and oil tank body, effectively prevents the entering of moisture and the volatile loss of transformer oil, and the closing plate has strengthened the leakproofness of case lid and oil tank body, has avoided some exudations of transformer.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is a schematic structural diagram of a fully sealed oil tank for a power transformer according to the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 1;

fig. 5 is a schematic structural view of part a of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-an oil tank body, 2-a tank cover, 3-a radiating fin, 4-a mounting plate, 5-a hydrophobic groove, 6-an oil pressure gauge, 7-a bolt, 8-a low-pressure sleeve, 9-a high-pressure sleeve, 10-a hanging plate, 11-a sealing plate, 12-an arc frame, 13-a first clamping groove, 14-a first square frame, 15-a second clamping groove and 16-a second square frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention relates to a fully sealed oil tank for a power transformer, which comprises an oil tank body 1, a tank cover 2, a sealing plate 11 and bolts 7;

the top of the oil tank body 1 is fixedly connected with an arc-shaped frame 12, the top of the arc-shaped frame 12 is provided with a first clamping groove 13, four side surfaces of the tank cover 2 are fixedly connected with drain grooves 5, and the inner bottom of the tank cover 2 is provided with a second clamping groove 15;

the sealing plate 11 is positioned between the oil tank body 1 and the tank cover 2, the upper surface of the sealing plate 11 is fixedly connected with a first square frame 14, and the lower surface of the sealing plate 11 is fixedly connected with a second square frame 16;

the first square frame 14 is positioned inside the second clamping groove 15, the second square frame 16 is positioned inside the first clamping groove 13, and the inner surface of the case cover 2 is in close contact with the outer surface of the arc-shaped frame 12.

Wherein as shown in fig. 1 and 2, the top fixed mounting of case lid 2 has an oil pressure gauge 6, a high-voltage bushing 9 and a low-voltage bushing 8, and equal rigid coupling has a plurality of fin 3 and has two hanger plates 10 on wherein two sides of oil tank body 1 on four sides of oil tank body 1, and the bottom rigid coupling of oil tank body 1 has two mounting panels 4, and two mounting panels 4 are the channel-section steel, have seted up the mounting hole on the mounting panel 4.

As shown in fig. 4, the tank cover 2, the seal plate 11 and the tank body 1 are fixedly connected by bolts 7.

One specific application of this embodiment is: when sealing this totally enclosed oil tank, make the second square frame 16 of closing plate 11 be located the inside of first draw-in groove 13, cover case lid 2 on arc frame 12 upper portion, make first square frame 14 be located the inside of second draw-in groove 15, fix case lid 2, closing plate 11 and arc frame 12 together through bolt 7, the internal surface of case lid 2 closely laminates with the surface of arc frame 12, 5 rigid couplings of hydrophobic groove are on four sides of case lid 2, can dredge the rainwater that flows down from case lid 2.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a totally enclosed oil tank for power transformer, includes oil tank body (1) and case lid (2), its characterized in that: the sealing device also comprises a sealing plate (11) and a bolt (7);

an arc-shaped frame (12) is fixedly connected to the top of the oil tank body (1), a first clamping groove (13) is formed in the top of the arc-shaped frame (12), drainage grooves (5) are fixedly connected to four side faces of the tank cover (2), and a second clamping groove (15) is formed in the inner bottom of the tank cover (2);

the sealing plate (11) is positioned between the oil tank body (1) and the tank cover (2), the upper surface of the sealing plate (11) is fixedly connected with a first square frame (14), and the lower surface of the sealing plate (11) is fixedly connected with a second square frame (16);

the first square frame (14) is located inside the second clamping groove (15), the second square frame (16) is located inside the first clamping groove (13), and the inner surface of the box cover (2) is in close contact with the outer surface of the arc-shaped frame (12).

2. A hermetically sealed tank for a power transformer according to claim 1, characterised in that the tank cover (2), the sealing plate (11) and the tank body (1) are fixedly connected by means of bolts (7).

3. A hermetically sealed tank for a power transformer according to claim 1, characterised in that the top of the tank cover (2) is fixedly provided with an oil pressure gauge (6), a high-pressure bushing (9) and a low-pressure bushing (8).

4. The hermetically sealed oil tank for the power transformer according to claim 1, wherein a plurality of radiating fins (3) are fixedly connected to four sides of the oil tank body (1), two hanging plates (10) are fixedly connected to two sides of the oil tank body (1), and two mounting plates (4) are fixedly connected to the bottom of the oil tank body (1).

5. The fully-sealed oil tank for the power transformer as claimed in claim 4, wherein the two mounting plates (4) are both channel steel, and the mounting plates (4) are provided with mounting holes.