CN215680354U - Oil-immersed transformer bushing antifouling cover - Google Patents
Oil-immersed transformer bushing antifouling cover Download PDFInfo
- Publication number
- CN215680354U CN215680354U CN202121967924.0U CN202121967924U CN215680354U CN 215680354 U CN215680354 U CN 215680354U CN 202121967924 U CN202121967924 U CN 202121967924U CN 215680354 U CN215680354 U CN 215680354U
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- Prior art keywords
- shell
- antifouling
- antifouling shell
- fouling
- oil
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- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 116
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000000295 complement effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Housings And Mounting Of Transformers (AREA)
Abstract
An oil-immersed transformer bushing antifouling cover comprises a left half antifouling shell and a right half antifouling shell, wherein the left half antifouling shell and the right half antifouling shell are complementary semi-cylindrical structures, the top ends of the left half antifouling shell and the right half antifouling shell are respectively provided with a semi-dome plate, the center of the semi-dome plate is provided with a semi-circular wire passing hole, the bottom end of the inner wall of the left half antifouling shell is provided with a fixing holding plate, the bottom end of the inner wall of the right half antifouling shell is provided with a locking and fixing mechanism, the front and rear vertical sections of the cylinder wall of the left half antifouling shell are respectively provided with a connecting hook, the front and rear sections of the cylinder wall of the right half antifouling shell are correspondingly provided with a connecting groove, the left half antifouling shell and the right half antifouling shell are separately arranged, the left half antifouling shell and the right half antifouling shell can be directly separated from each other without taking down the wiring of a bushing, the antifouling cover can be detached, and the mounting and detaching modes of the left half antifouling shell and the right half antifouling shell are very quick and simple through the connecting hooks, the connecting grooves and the locking and fixing mechanisms, the efficiency of antifouling cover change and transformer maintenance is improved.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to an oil-immersed transformer bushing anti-fouling cover.
Background
The transformer bushing is a main insulation device outside the oil-immersed transformer tank, 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 transformer bushing plays a role in fixing the lead-out wires. The existing oil-immersed transformer's business turn over line sleeve pipe is because expose in the air, uses the great place of dust, can appear gathering the condition of a large amount of conductive medium dust on the sleeve pipe, leads to sheathed tube to ground insulating distance not enough and direct discharge, can cause transformer to burn out etc. important economic loss seriously, consequently need carry out dustproof antifouling treatment to the transformer bushing, and current processing mode is at sleeve pipe dust cover of transformer bushing outside installation.
Present dust cover formula structural design as an organic whole, whole cover is in the sheathed tube outside, and the bottom is fixed in sheathed tube bottom through bolt and support, the design of this kind of integral structure makes can only install above when the sleeve pipe has not been worked a telephone switchboard at the dust cover, can't lift the dust cover off from the sleeve pipe after the wiring finishes when the sleeve pipe top, because there is the hindrance of cable, this just makes the later stage become very troublesome to sheathed tube maintenance and dust cover change work, the wiring that all needs to cancel the sleeve pipe top earlier at every turn just can take off the dust cover, and the installation and the dismantlement of dirt proof boot are also very troublesome, need constantly twisted a plurality of fastening bolt of revolving repeatedly and twist soon and just can accomplish fixed and lift off the operation, cause whole change and maintenance time extension, delayed the maintenance process.
Disclosure of Invention
According to the technical problems, the utility model provides an oil-immersed transformer bushing anti-fouling cover which is characterized by comprising a left half anti-fouling shell and a right half anti-fouling shell, wherein the left half anti-fouling shell and the right half anti-fouling shell are of complementary semi-cylindrical structures, the top ends of the left half anti-fouling shell and the right half anti-fouling shell are respectively provided with a semi-dome plate, the center of the semi-dome plate is provided with a semi-circular wire passing hole, the top ends of the inner parts of the left half anti-fouling shell and the right half anti-fouling shell are provided with an outer inclined conical surface, the bottom end of the inner wall of the left half anti-fouling shell is provided with a fixing plate, the bottom end of the inner wall of the right half anti-fouling shell is provided with a locking and fixing mechanism, the vertical sections of the front end and the rear end of the cylinder wall of the left half anti-fouling shell are respectively provided with a connecting hook, and the vertical sections of the front end and the rear end of the right half anti-fouling shell are provided with a connecting groove corresponding to the connecting hook;
the locking and fixing mechanism comprises a pressing plate, guide columns, guide sleeves, a screw rod, a knob and a nut, the nut is connected to the right side of the pressing plate, the guide columns are arranged on the upper side and the lower side of the right end of the pressing plate, the guide sleeves are arranged on the inner wall of the right half antifouling shell, the pressing plate is slidably mounted in the guide sleeves through the guide columns on the right side, the screw rod penetrates through and is rotatably connected with the right half antifouling shell, the threaded part of the screw rod is mounted in a threaded hole of the nut, and the right end of the screw rod extends out of the right half antifouling shell and is provided with the knob;
the connecting hook is of an L-shaped structure, and a clamping groove is formed in the inner side of a vertical rod of the connecting hook;
the connecting groove consists of a sliding groove and a fixed groove, the fixed groove is arranged below the sliding groove, and a clamping block is arranged on one side surface of the fixed groove;
strip-shaped sealing strips are also arranged on the vertical tangent planes at the front end and the rear end of the cylinder wall of the left half antifouling shell from top to bottom, and strip-shaped sealing grooves are correspondingly formed on the vertical tangent planes at the front end and the rear end of the cylinder wall of the right half antifouling shell from top to bottom and are corresponding to the strip-shaped sealing strips;
and an elastic semi-ring sealing ring is arranged at the semicircular wire passing hole.
The utility model has the beneficial effects that:
the left half antifouling shell and the right half antifouling shell are arranged in a split manner, even after the top end of the sleeve is connected, the left half antifouling shell and the right half antifouling shell can be detached left and right in a split manner, the sleeve does not need to be taken down during each maintenance, the left half antifouling shell and the right half antifouling shell can be directly detached left and right to detach the antifouling cover, the cable does not obstruct the installation and the detachment of the antifouling cover, the installation and the detachment modes of the left half antifouling shell and the right half antifouling shell are very quick and simple, only the connecting hook of the left half antifouling shell is required to be aligned with the connecting groove of the right half antifouling shell to be inserted and move downwards into the fixing groove, the screw is screwed to enable the compression plate and the fixing holding plate to clamp the bottom of the sleeve for fixing under the combined action of the compression plate and the fixing holding plate, and the left half antifouling shell and the right half antifouling shell have the tendency of moving outwards while the screw is screwed inwards, so that the clamping groove of the connecting hook is meshed with the clamping block of the fixing groove, when accomplishing half antifouling shell on a left side and half antifouling shell on the right side fixed, the fixed board of holding up of bottom and pressure strip hold the sleeve pipe bottom jointly tightly and make whole and the sleeve pipe of antifouling cover fixed, also only need reverse twist screw rod after with half antifouling shell on a left side during the dismantlement upwards lift and take off can for the change time shortens, has improved the efficiency that antifouling cover was changed and the transformer overhauld.
Drawings
FIG. 1 is a cross-sectional view of a front view of the present invention after installation;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a cross-sectional view of a front view of the left semi-fouling resistant housing of the present invention;
FIG. 4 is an enlarged view of the attachment hook of the present invention;
FIG. 5 is a right side view of the left semi-soil resistant housing of the present invention;
FIG. 6 is a left side view of the right antifouling shell half of the present invention;
FIG. 7 is a top view of the left semi-shell of the present invention;
FIG. 8 is an enlarged cross-sectional view of the present invention at the connecting slot;
fig. 9 is a sectional view showing the fitting connection of the coupling hook of the present invention to the coupling groove.
As shown in the figure: 1. a left semi-antifouling shell; 2. a right half antifouling shell; 3. a half dome plate; 4. a semicircular wire passing hole; 5. an outer inclined conical surface; 6. fixing the handrail; 7. a connecting hook; 8. a compression plate; 9. a guide post; 10. a guide sleeve; 11. a screw; 12. a knob; 13. a nut; 14. a card slot; 15. sliding into the groove; 16. fixing grooves; 17. a clamping block; 18. a strip-shaped sealing strip; 19. a strip-shaped sealing groove; 20. an elastic semi-ring sealing ring; 21. and connecting the grooves.
Detailed Description
Example 1
The utility model provides an oil-immersed transformer bushing anti-fouling cover which is characterized by comprising a left half anti-fouling shell 1 and a right half anti-fouling shell 2, wherein the left half anti-fouling shell 1 and the right half anti-fouling shell 2 are of complementary semi-cylindrical structures, the top ends of the left half anti-fouling shell 1 and the right half anti-fouling shell 2 are respectively provided with a semi-dome plate 3, the center of the semi-dome plate 3 is provided with a semi-circular wire through hole 4, the top ends of the interiors of the left half anti-fouling shell 1 and the right half anti-fouling shell 2 are provided with an outer inclined conical surface 5, the bottom end of the inner wall of the left half anti-fouling shell 1 is provided with a fixed supporting plate 6, the bottom end of the inner wall of the right half anti-fouling shell 2 is provided with a locking and fixing mechanism, the vertical sections of the front end and the rear end of the cylinder wall of the left half anti-fouling shell 1 are respectively provided with a connecting hook 7, and the vertical sections of the front end and rear end of the cylinder wall of the right half anti-fouling shell 2 are provided with a connecting groove 21 corresponding to the connecting hook 7;
the locking and fixing mechanism comprises a pressing plate 8, guide columns 9, guide sleeves 10, a screw rod 11, a knob 12 and a nut 13, the nut 13 is connected to the right side of the pressing plate 8, the guide columns 9 are arranged on the upper side and the lower side of the right end of the pressing plate 8, the guide sleeves 10 are arranged on the inner wall of the right half antifouling shell 2, the pressing plate 8 is slidably mounted in the guide sleeves 10 through the guide columns 9 on the right side, the screw rod 11 penetrates through and is rotatably connected with the right half antifouling shell 2, the threaded part of the screw rod 11 is mounted in a threaded hole of the nut 13, and the right end of the screw rod 11 extends out of the right half antifouling shell 2 and is provided with the knob 12;
the connecting hook 7 is of an L-shaped structure, and a clamping groove 14 is formed in the inner side of a vertical rod of the connecting hook 7;
the connecting groove 21 consists of a sliding-in groove 15 and a fixing groove 16, the fixing groove 16 is arranged below the sliding-in groove 15, and a clamping block 17 is arranged on one side surface of the fixing groove 16;
the vertical sections of the front end and the rear end of the cylinder wall of the left half antifouling shell 1 are also provided with strip-shaped sealing strips 18 from top to bottom, and the vertical sections of the front end and the rear end of the cylinder wall of the right half antifouling shell 2 are provided with strip-shaped sealing grooves 19 corresponding to the strip-shaped sealing strips 18 from top to bottom;
an elastic semi-ring sealing ring 20 is arranged at the semicircular wire passing hole 4.
Example 2
When the anti-fouling device is used, during installation, the left half anti-fouling shell 1 and the right half anti-fouling shell 2 are correspondingly buckled, the connecting hook 7 of the left half anti-fouling shell 1 is inserted into the connecting groove 21 of the right half anti-fouling shell 2 during buckling, the connecting hook 7 transversely slides in along the sliding groove 15, then the left half anti-fouling shell 1 moves downwards, the vertical rod of the connecting hook 7 also moves downwards to enter the fixing groove 16, at the moment, the outer inclined conical surface 5 at the top ends of the left half anti-fouling shell 1 and the right half anti-fouling shell 2 is abutted against the calabash-shaped bulge of the sleeve, so that the integral anti-fouling cover cannot move downwards, then the knob 12 is screwed to drive the screw rod 11 to rotate, due to the action of the guide pillar 9 and the guide sleeve 10, the screw rod 11 rotates to drive the screw cap 13 to move leftwards and drive the pressing plate 8 to move leftwards to press the bottom of the sleeve, the pressing plate 8 presses the sleeve and simultaneously causes the right half anti-fouling shell 2 and the left half anti-fouling shell 1 to move outwards, just so drive hookup 7 and move to the outside and make draw-in groove 14 of montant remove left and the interlock of fixture block 17, simultaneously the clamp plate 8 is fixed with fixed 6 combined action pressure sleeve pipe bottoms of holding up, the inboard power of clamp plate 8 and couple 7 and spread groove 21 combined action's power mutual balance make the protection casing fix in the sleeve pipe outside, when needing to dismantle, unscrew screw rod 11 and make clamp plate 8 no longer compact sleeve pipe bottom, then draw the montant rebound that makes couple 7 of the half antifouling shell 1 in the left side and break away from fixed slot 16 and get into the sliding groove 15, then draw out left half antifouling shell 1 in the left side and make couple 7 from the roll-off in groove 15, accomplish the dismantlement of half antifouling shell 1 in the left side and half antifouling shell 2 on the right side.
The strip-shaped sealing strip 18 and the strip-shaped sealing groove 19 are matched to ensure the sealing property of the joint of the left half antifouling shell 1 and the right half antifouling shell 2 and prevent dust from entering, and the elastic semi-ring sealing ring 20 can ensure the sealing property of the semicircular wire passing hole 4.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the utility model has been described with respect to the above embodiments, it will be understood by those skilled in the art that the utility model is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an oil-immersed transformer bushing dirt-proof boot, its characterized in that includes half antifouling shell on the left side and half antifouling shell on the right side, half antifouling shell on the left side and half antifouling shell on the right side are complementary half cylindrical structure, half antifouling shell on the left side and half antifouling shell on the right side top all are provided with half calotte board, semicircle roof plate central authorities have seted up the semicircle and have crossed the line hole, half antifouling shell inner wall bottom on the left side is provided with fixed board of holding up, half antifouling shell inner wall bottom on the right side is provided with locking fixed establishment, all be provided with the coupling hook on the vertical section in both ends around the half antifouling shell section of thick bamboo wall on the left side, correspond with the coupling hook on the vertical section in both ends around the half antifouling shell section of thick bamboo wall on the right side and have seted up the spread groove.
2. The oil-filled transformer bushing dirt shield of claim 1, characterized in that the top end of the inside of the left and right dirt proof housing halves is provided with an outer inclined conical surface.
3. The oil-immersed transformer bushing anti-fouling cover according to claim 1, wherein the locking and fixing mechanism comprises a compression plate, a guide pillar, a guide sleeve, a screw, a knob and a nut, the nut is connected to the right side of the compression plate, the guide pillars are arranged on the upper side and the lower side of the right end of the compression plate, the guide sleeve is arranged on the inner wall of the right half anti-fouling shell, the compression plate is slidably mounted in the guide sleeve through the guide pillar on the right side, the screw penetrates through and is rotatably connected with the right half anti-fouling shell, the threaded portion of the screw is mounted in the threaded hole of the nut, and the right end of the screw extends out of the right half anti-fouling shell and is provided with the knob.
4. The oil-immersed transformer bushing anti-fouling cover according to claim 1, characterized in that the connecting hook is of an L-shaped structure, and a clamping groove is formed in the inner side of a vertical rod of the connecting hook.
5. The oil-immersed transformer bushing anti-fouling cover according to claim 1, wherein the connection groove comprises a sliding groove and a fixing groove, the fixing groove is arranged below the sliding groove, and a fixture block is arranged on one side surface of the fixing groove.
6. The oil-immersed transformer bushing anti-fouling cover according to claim 1, characterized in that the vertical tangential planes at the front and rear ends of the left half anti-fouling shell cylinder wall are further provided with strip-shaped sealing strips from top to bottom, and the vertical tangential planes at the front and rear ends of the right half anti-fouling shell cylinder wall are provided with strip-shaped sealing grooves corresponding to the strip-shaped sealing strips from top to bottom.
7. The oil-filled transformer bushing dirt shield of claim 1, wherein an elastic semi-ring seal is disposed at the semi-circular wire passing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121967924.0U CN215680354U (en) | 2021-08-20 | 2021-08-20 | Oil-immersed transformer bushing antifouling cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121967924.0U CN215680354U (en) | 2021-08-20 | 2021-08-20 | Oil-immersed transformer bushing antifouling cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215680354U true CN215680354U (en) | 2022-01-28 |
Family
ID=79954271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121967924.0U Expired - Fee Related CN215680354U (en) | 2021-08-20 | 2021-08-20 | Oil-immersed transformer bushing antifouling cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215680354U (en) |
-
2021
- 2021-08-20 CN CN202121967924.0U patent/CN215680354U/en not_active Expired - Fee Related
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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: 20220128 |