CN210575431U - Oil-immersed transformer of waterproof infiltration - Google Patents
Oil-immersed transformer of waterproof infiltration Download PDFInfo
- Publication number
- CN210575431U CN210575431U CN201921072999.5U CN201921072999U CN210575431U CN 210575431 U CN210575431 U CN 210575431U CN 201921072999 U CN201921072999 U CN 201921072999U CN 210575431 U CN210575431 U CN 210575431U
- Authority
- CN
- China
- Prior art keywords
- oil tank
- oil
- bolt
- outer edge
- tank cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008595 infiltration Effects 0.000 title abstract description 8
- 238000001764 infiltration Methods 0.000 title abstract description 8
- 230000035515 penetration Effects 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- 239000007788 liquid Substances 0.000 abstract description 10
- 241000221535 Pucciniales Species 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 239000012466 permeate Substances 0.000 description 4
- 239000002828 fuel tank Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 125000003003 spiro group Chemical group 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model relates to a waterproof oil-immersed transformer, which comprises an oil tank body and an oil tank cover, wherein the top of the outer side wall of the oil tank body is provided with a circle of oil tank outer edge, wherein the bottom of the oil tank cover is provided with a clamping groove buckled on the top end of the side wall of the oil tank body, the bottom end of the oil tank cover positioned outside the clamping groove is tightly attached to the top end surface of the outer edge of the oil tank, the edge of the oil tank cover and the outer edge of the oil tank are uniformly provided with mounting holes, wherein the bottom of the outer edge of the oil tank is provided with a fixed block corresponding to the mounting hole, the fixed block is provided with a screw hole communicated with the mounting hole below, the top of the oil tank cover is provided with a bolt which sequentially passes through two groups of mounting holes corresponding to the upper and lower groups, wherein the tail end of the bolt is in threaded connection with the corresponding screw hole, the top of the oil tank cover is also welded with a screwed pipe which encircles the mounting hole, wherein a rubber ring sleeved on the head of the bolt is arranged in the spiral tube, and the top end of the spiral tube is also screwed with a nut. The utility model discloses can effectively prevent to accelerate in the liquid infiltration mounting hole and the oil tank at oil tank cap top that it rusts or corrodes.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a waterproof and anti-seepage oil-immersed transformer.
Background
The power transformer is a necessary device for power transmission and distribution, and the power transformer can be an oil-immersed transformer or a dry-type transformer according to different application environments, wherein the oil-immersed transformer is mainly arranged on an outdoor telegraph pole. The body (winding and iron core) of the oil-immersed transformer is arranged in an oil tank filled with transformer oil, and the oil tank is welded by steel plates.
Under the prior art, oil tank cover of oil-immersed transformer, the screw has been seted up to the oil tank body, the screw on oil tank cover and the oil tank body is passed to the bolt, the cooperation nut fastens in the bottom surface on the outer edge of oil tank, wherein lie in outdoor oil tank cover and often can siltation more rainwater or other liquid, and the easy bolt head of siltation of liquid and the screw infiltration of gap between the case lid to being used for construction bolt in, thereby rust or the corruption of screw with higher speed, and when ageing back leakproofness decline of transformer joint strip, inside the infiltration transformer between oil tank and case lid is easily followed to the liquid of so following the screw infiltration, make transformer security reduce, influence transformer running quality and life.
The technical problem is solved by obtaining an oil-immersed transformer oil tank with the publication number of CN208111250U, but the scheme has the following problems that 1, a screw rod is welded on the outer edge of the oil tank, when an oil tank cover is separated from the oil tank, the screw rod welded on the outer edge of the oil tank is vertically exposed, and a worker can touch a bolt on the outer edge of the oil tank when lifting or pulling a part to pass through the oil tank or work at the oil tank, so that threads of the bolt are collided to slide the bolt, and subsequent normal installation work is influenced; 2. the nut is placed at the top of the oil tank cover so that the mounting environment of the oil tank cover is improved, but the nut or the fixing column can collide with other equipment to be damaged in the transportation or hoisting process, so that the negative effect is achieved on the mounting environments of the nut and the fixing column, and meanwhile, the problem of difficulty in dismounting due to deformation of the nut can be solved in the subsequent dismounting process.
Disclosure of Invention
The invention aims to provide a waterproof oil-immersed transformer, which can effectively prevent liquid at the top of an oil tank cover from permeating into a mounting hole to accelerate rusting or corrosion of the mounting hole and can prevent the liquid at the top of the oil tank cover from entering the oil tank through the mounting hole, thereby having a positive effect on improving the safety of the oil tank.
The technical problem of the invention is mainly solved by the following technical scheme:
the utility model provides a waterproof infiltration's oil-immersed transformer, includes oil tank body and oil tank cap, oil tank body lateral wall top is provided with the outer edge of round oil tank, and wherein the oil tank cap bottom is provided with the draw-in groove of detaining on oil tank body lateral wall top, and is located the oil tank cap bottom in the draw-in groove outside and hugs closely on the oil tank outer edge top face, oil tank cap border and oil tank are outer evenly to be provided with the mounting hole along last, and wherein the oil tank is outer to be provided with the fixed block that corresponds the mounting hole along the bottom, and is provided with the screw with below mounting hole intercommunication on the fixed block, oil tank cap top is provided with the bolt that corresponds two sets of mounting holes from top to bottom in proper order, wherein terminal and the screw spiro union that corresponds of bolt, oil tank cap top still welds the solenoid that lives the mounting hole, wherein is provided with the rubber circle.
Preferably, the inner diameter of the spiral pipe is larger than the diameter of the head of the bolt, and the top end of the head of the bolt and the top end of the rubber ring are not higher than the horizontal plane of the top end of the spiral pipe.
Preferably, the mounting holes and the corresponding screw holes are coaxially arranged.
Preferably, the fixing block and the outer edge of the oil tank are integrally arranged.
Preferably, the bottom end of the screw hole is communicated with the outer space of the bottom of the fixing block.
The invention has the beneficial effects that:
1. in the invention, when the oil tank cover is installed, the bolts are only required to be plugged into the upper and lower groups of installation holes, and the head of the bolt is rotated by using a socket wrench at the top of the oil tank cover so that the tail end of the bolt is in threaded connection with the screw hole, so that the nut does not need to be rotated when the oil tank cover is installed as the wrench is required to extend into a smaller space at the bottom of the outer edge of the oil tank (at the moment, the fixing block replacing the nut is arranged integrally with the outer edge of the oil tank, so that the fixing block does not.
2. According to the invention, the bolt head is enclosed by the screw pipe to prevent the bolt head from being damaged by colliding with the bolt head when the screw pipe is possibly contacted with other equipment, so that the sleeve spanner is sleeved on the bolt head, meanwhile, the rubber ring can protect the bolt head, and meanwhile, the top end of the screw pipe is sealed by the nut cap to prevent liquid from entering the screw pipe and permeating into a gap between the bolt and the mounting hole and finally possibly permeating into the oil tank through a gap between the oil tank cover and the outer edge of the oil tank.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a partial cross-sectional view of the present invention.
In the figure: 1. the oil tank body, 2, oil tank cap, 3, the outer edge of oil tank, 4, draw-in groove, 5, mounting hole, 6, fixed block, 7, screw, 8, bolt, 9, screwed pipe, 10, rubber circle, 11, the lid is female.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
The utility model provides a waterproof infiltration's oil-immersed transformer, includes oil tank body 1 and oil tank cap 2, 1 lateral wall top of oil tank body is provided with the outer 3 of following of round oil tank, and wherein 2 bottoms of oil tank cap are provided with detains draw-in groove 4 on 1 lateral wall top of oil tank body, and lie in 2 bottoms of the oil tank cap in the draw-in groove 4 outside and hug closely on 3 top faces of edge outside the oil tank, block the problem that oil tank cap 2 takes place the horizontal float on 1 top of oil tank body through draw-in groove 4.
As shown in figure 2, when the liquid permeating from the outside of the oil tank through the gap between the oil tank cover 2 and the outer edge 3 of the oil tank contacts the side wall of the oil tank body 1, the liquid can not permeate the top end of the side wall of the oil tank body 1 and can not permeate the oil tank through the gap between the outer edge 3 of the oil tank and the oil tank cover 2 because the height difference of 0.5-1 cm exists between the outer edge 3 of the oil tank and the top end of the side wall of the oil tank body 1 at the moment, and the positive effects on improving the safety, the operation quality and the service life of equipment in the oil tank are achieved.
Wherein, the edge of the oil tank cover 2 and the outer edge 3 of the oil tank are evenly provided with mounting holes 5, the bottom of the outer edge 3 of the oil tank is provided with a fixing block 6 corresponding to the mounting holes 5, the fixing block 6 and the outer edge 3 of the oil tank are integrally arranged, meanwhile, a screw hole 7 communicated with the lower mounting hole 5 is arranged on the fixing block 6, as shown in fig. 2, the top of the fuel tank cap 2 is provided with bolts 8 which sequentially pass through two corresponding sets of mounting holes 5, wherein the tail end of the bolt 8 is in threaded connection with the corresponding screw hole 7, and because the tail end of the bolt 8 is in threaded connection with the screw hole 7, when the installation, the bolt 8 is only required to be plugged into the upper and lower two groups of installation holes 5, and the head of the bolt 8 is rotated by the socket wrench at the top of the oil tank cover 2, so that the tail end of the bolt is in threaded connection with the screw hole 7, and the nut is not required to be rotated in a small space at the bottom of the oil tank outer edge 3 during the installation, so that the installation work of the bolt 8 is more convenient.
Because fixed block 6 sets up along 3 an organic wholes with the oil tank is outer at above-mentioned in-process for need not fixed block 6 and can realize the spiro union fixed work between bolt 8 and screw 7 when rotatory bolt 8, wherein screw 7 bottom and fixed block 6 bottom outside space intercommunication, both ends are opened setting about screw 7 before mounting bolt 8 so, make the impurity that falls into screw 7 inside can fall out through its bottom opening, and can not silted up and pack it in screw 7 bottom and block up, thereby the clearance work in the screw 7 of being convenient for.
And the 2 tops of fuel tank cap still weld the screwed pipe 9 of circling mounting hole 5, wherein be provided with rubber circle 10 of overcoat on 8 heads of bolt in the screwed pipe 9, circle 8 heads of bolt through screwed pipe 9 in this embodiment and prevent it can collide with 8 heads of bolt with its damage when contacting with other equipment, thereby influence the box spanner and overlap on 8 heads of bolt, rubber circle 10 then can play the guard action to 8 heads of bolt, as shown in fig. 2, it has female 11 of lid still the spiro union on 9 tops of screwed pipe, through female 11 of lid with 9 tops of screwed pipe seal prevent have liquid get into screwed pipe 9 in and permeate the clearance between bolt 8 and the mounting hole 2, and finally probably permeate the problem in the oil tank by the clearance between 3 outside fuel tank cap 2 and the oil tank.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (5)
1. A waterproof oil-immersed transformer comprises an oil tank body and an oil tank cover, and is characterized in that the top of the outer side wall of the oil tank body is provided with a circle of oil tank outer edge, wherein the bottom of the oil tank cover is provided with a clamping groove buckled on the top end of the side wall of the oil tank body, the bottom end of the oil tank cover positioned outside the clamping groove is tightly attached to the top end surface of the outer edge of the oil tank, the edge of the oil tank cover and the outer edge of the oil tank are uniformly provided with mounting holes, wherein the bottom of the outer edge of the oil tank is provided with a fixed block corresponding to the mounting hole, the fixed block is provided with a screw hole communicated with the mounting hole below, the top of the oil tank cover is provided with a bolt which sequentially passes through two groups of mounting holes corresponding to the upper and lower groups, wherein the tail end of the bolt is in threaded connection with the corresponding screw hole, the top of the oil tank cover is also welded with a screwed pipe which encircles the mounting hole, wherein a rubber ring sleeved on the head of the bolt is arranged in the spiral tube, and the top end of the spiral tube is also screwed with a nut.
2. The water penetration resistant oil-filled transformer according to claim 1, wherein the inner diameter of the solenoid is larger than the diameter of the bolt head, and the top end of the bolt head and the top end of the rubber ring are not higher than the level of the top end of the solenoid.
3. The oil-filled transformer capable of preventing water penetration according to claim 1, wherein the mounting holes and the corresponding screw holes are coaxially arranged.
4. The oil-filled transformer capable of preventing water penetration according to claim 1, wherein the fixing block and the outer edge of the oil tank are integrally arranged.
5. The oil-immersed transformer capable of preventing water penetration according to claim 1, wherein the bottom end of the screw hole is communicated with an outer space at the bottom of the fixing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921072999.5U CN210575431U (en) | 2019-07-10 | 2019-07-10 | Oil-immersed transformer of waterproof infiltration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921072999.5U CN210575431U (en) | 2019-07-10 | 2019-07-10 | Oil-immersed transformer of waterproof infiltration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210575431U true CN210575431U (en) | 2020-05-19 |
Family
ID=70642960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921072999.5U Expired - Fee Related CN210575431U (en) | 2019-07-10 | 2019-07-10 | Oil-immersed transformer of waterproof infiltration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210575431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311199A (en) * | 2021-06-15 | 2021-08-27 | 广东电网有限责任公司 | Protective line loss analysis device |
-
2019
- 2019-07-10 CN CN201921072999.5U patent/CN210575431U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311199A (en) * | 2021-06-15 | 2021-08-27 | 广东电网有限责任公司 | Protective line loss analysis device |
| CN113311199B (en) * | 2021-06-15 | 2022-08-30 | 广东电网有限责任公司 | Protective line loss analysis device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |