CN208368338U - A kind of bushing shell for transformer of high shielding properties - Google Patents
A kind of bushing shell for transformer of high shielding properties Download PDFInfo
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- CN208368338U CN208368338U CN201821004819.5U CN201821004819U CN208368338U CN 208368338 U CN208368338 U CN 208368338U CN 201821004819 U CN201821004819 U CN 201821004819U CN 208368338 U CN208368338 U CN 208368338U
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Abstract
The utility model discloses a kind of bushings shell for transformer of high shielding properties, including covering Pipeline clip, upper insulator, lower insulator and porcelain bushing, the upper insulator is slidably mounted on the upside inner end of porcelain bushing, the upper insulator includes third through-hole, second annular groove, second connecting column and the second sealing ring, second connecting column is fixedly attached to the lower end of insulator, second sealing ring is fixedly attached to the upside of the second connecting column, second annular groove is provided with the lower end surface of the second connecting column, the third through-hole is opened in the lower end surface center of the second connecting column, the porcelain bushing is fixedly installed with screwed flange close to the position of Basolateral, and the outboard end of screwed flange offers threaded hole, the lower insulator is slidably mounted on the downside inner end that porcelain bushing deviates from upper insulator.The utility model is a kind of bushing shell for transformer of high shielding properties, by the high screen casing of installation, realizes the purpose for reinforcing bushing shell for transformer function of shielding.
Description
Technical field
The utility model relates to technical field of transformer equipment, specially a kind of bushing shell for transformer of high shielding properties.
Background technique
Bushing shell for transformer is the primary insulation device outside transformer tank, and the effect of bushing shell for transformer is by inside transformer
Outside high and low pressure lead bow to fuel tank, it should be noted that the lead-out wire of transformer winding has to pass through insulating sleeve, makes to draw
It insulate between line and between lead-out wire and transformer case, while being responsible for the effect of anchor leg.Bushing shell for transformer is transformation
One of device current carrying element, it is necessary to have defined electrical strength and enough mechanical strengths；There must be good thermal stability,
And the overheat of moment when short circuit can be born；Also need that shape is small, quality is small, good seal performance, versatile and easy to repair
Characteristic.Because of voltage class difference, insulating sleeve has the forms such as pure porcelain casing tube, oil filled bushing and capacitance graded bushing.
But bushing shell for transformer has the following problems at present:
Inconvenient in the presence of installation, the bad phenomenon of shield effectiveness will cause certain inconvenience, need to improve.
Utility model content
The purpose of this utility model is to provide a kind of bushings shell for transformer of high shielding properties, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of bushing shell for transformer of high shielding properties,
It is slidably mounted on the upside inner end of porcelain bushing including set Pipeline clip, upper insulator, lower insulator and porcelain bushing, the upper insulator,
The upper insulator includes third through-hole, the second annular groove, the second connecting column and the second sealing ring, the second connecting column fixing sleeve
It connects in the lower end of upper insulator, second sealing ring is fixedly attached to the upside of the second connecting column, and second annular groove is opened
It is located at the lower end surface of the second connecting column, the third through-hole is opened in the lower end surface center of the second connecting column, the ceramics
Casing is fixedly installed with screwed flange close to the position of Basolateral, and the outboard end of screwed flange offers threaded hole, described
Lower insulator is slidably mounted on the downside inner end that porcelain bushing deviates from upper insulator, and the lower insulator includes the first sealing ring, the first company
Column, first annular slot and the second through-hole are connect, first sealing ring is fixedly attached to the bottom end of lower insulator, first connecting column
It is fixedly attached to the upper end of lower insulator, the first annular slot is provided with the upper surface of the first connecting column, and second through-hole is opened
Lead in the upper surface center of the first connecting column, the lower side of the porcelain bushing offers the first external screw thread, the ceramics
The outboard end of casing is fixedly installed with umbellate form insulator, and the inner cavity of the porcelain bushing is socketed with high screen casing, the high screen casing
Including through-hole, connection lantern ring and groove, the connection lantern ring is fixedly attached to the upside of high screen casing, and the groove is provided with
The upper surface of lantern ring is connected, the through-hole is uniformly provided with the whole body outer wall of high screen casing, the inner cavity socket of the high screen casing
There is conducting rod, the upside of the conducting rod offers the second external screw thread, and the lower side of the conducting rod is socketed with insulation sleeve, institute
The bottom end for stating conducting rod is fixedly connected with terminal plate, and described sleeve pipe wire clamp is mounted on the upper of conducting rod by the second external screw thread spiral
Side.
Preferably, the upside both ends of described sleeve pipe wire clamp are fixedly welded with terminal plate, and spiral shell has been opened in one end face of terminal plate
Pit, the two side ends of described sleeve pipe wire clamp are symmetrically fixedly welded with fastening plates, and threaded hole has been opened in an end face of fastening plates.
Preferably, the upper surface of the transformer tank offers threaded hole, and threaded hole is adapted with the first external screw thread.
Preferably, the radius of the high screen casing is less than the radius of porcelain bushing, and the radius of the high screen casing, which is greater than, leads
The radius of electric pole.
Preferably, the connection lantern ring is adapted with first annular slot and the second annular groove.
Preferably, the radius of the groove is greater than the radius of high screen casing, and it is logical that the radius of the high screen casing is greater than second
The radius in hole.
Preferably, one end of first connecting column and the second connecting column is socketed with leather plug, and the first connecting column and second
Connecting column is adapted with porcelain bushing.
Preferably, the radius of the first annular slot is less than the first connecting column, and the radius of the first annular slot is greater than the
The radius of two through-holes.
Preferably, the radius of second annular groove is greater than the radius of third through-hole, and the radius of second annular groove is small
In the radius of the second connecting column.
Preferably, the high screen casing is slidably mounted on first annular slot and the second annular groove by connecting lantern ring respectively
Inner end.
Compared with prior art, the utility model has the beneficial effects that
By installation umbellate form insulator and porcelain bushing, umbellate form insulator and porcelain bushing have been all made of ceramic material, ceramics tool
There are excellent high temperature strength and electrical insulation capability, long service life also has excellent heat-proof quality, and excellent is antiacid, oily.
The corrosive power of steam, it is nontoxic to have no adverse effects to environment, the function of bushing shell for transformer practicability, the feature of environmental protection is realized,
Pass through the first connecting column of installation and first annular slot, since the first connecting column and porcelain bushing are adapted, first annular slot and company
Female connector ring is adapted, so height screen casing is engaged in the first annular slot in upper surface of lower insulator using connection lantern ring, then
Lower insulator is inserted into the bottom end inner cavity of porcelain bushing using the first connecting column, realizes easily and efficiently assembling transformer set
The fixation work of pipe lower end, by installation insulation sleeve and the first sealing ring, due to insulation sleeve and the first sealing ring be leakproofness,
The good material of insulating properties passes through the second annular groove of installation and the to realize that bushing shell for transformer lower end achievees the effect that sealing
Two connecting columns, since the second connecting column and porcelain bushing are adapted, the second annular groove and connection lantern ring are adapted, so using connecting
Height screen casing is engaged in the second annular groove of lower end surface of upper insulator by female connector ring, is then inserted upper insulator using the second connecting column
Enter the upper end inner cavity to porcelain bushing, followed by the second excellent sealing ring of leakproofness, insulating properties, realizes on bushing shell for transformer
The effect for holding sealing not only reinforces the safety for protecting bushing shell for transformer inner conductive bar by the high screen casing of installation, also big
The screening ability of its bushing shell for transformer main body is improved greatly.
Detailed description of the invention
Fig. 1 is the utility model agent structure schematic diagram；
Fig. 2 is the utility model main body decomposition texture schematic diagram；
Fig. 3 is the utility model Collapsible support device structural schematic diagram；
Fig. 4 is the utility model fixed mechanism structural schematic diagram；
Fig. 5 is the utility model fixed mechanism structural schematic diagram.
In figure: 1- covers Pipeline clip；The upper insulator of 2-；The first external screw thread of 3-；Insulator under 4-；5- screwed flange；6- threaded hole；7-
Umbellate form insulator；8- porcelain bushing；The second external screw thread of 9-；10- conducting rod；11- insulation sleeve；12- terminal plate；13- high screen casing；
14- through-hole；15- connection lantern ring；16- groove；The first sealing ring of 17-；The first connecting column of 18-；The first annular slot of 19-；20- second
Through-hole；21- third through-hole；The second annular groove of 22-；The second connecting column of 23-；The second sealing ring of 24-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of bushing shell for transformer of high shielding properties, packet
It includes set Pipeline clip 1, upper insulator 2, lower insulator 4 and porcelain bushing 8, upper insulator 2 and is slidably mounted on the upside inner end of porcelain bushing 8,
Upper insulator 2 includes third through-hole 21, the second annular groove 22, the second connecting column 23 and the second sealing ring 24, and the second connecting column 23 is solid
Surely it is socketed in the lower end of insulator 2, the second sealing ring 24 is fixedly attached to the upside of the second connecting column 23, the second annular groove 22
It is provided with the lower end surface of the second connecting column 23, third through-hole 21 is opened in the lower end surface center of the second connecting column 23, ceramics
Casing 8 is fixedly installed with screwed flange 5 close to the position of Basolateral, and the outboard end of screwed flange 5 offers threaded hole 6,
Lower insulator 4 is slidably mounted on the downside inner end that porcelain bushing 8 deviates from upper insulator 2, and lower insulator 4 includes the first sealing ring 17, first
Connecting column 18, first annular slot 19 and the second through-hole 20, the first sealing ring 17 are fixedly attached to the bottom end of lower insulator 4, and first connects
The upper end that column 18 is fixedly attached to lower insulator 4 is connect, first annular slot 19 is provided with the upper surface of the first connecting column 18, the second through-hole
20 open in the upper surface center of the first connecting column 18, and the lower side of porcelain bushing 8 offers the first external screw thread 3, ceramics
The outboard end of casing 8 is fixedly installed with umbellate form insulator 7, passes through installation umbellate form insulator 7 and porcelain bushing 8, umbellate form insulator 7 and ceramics
Casing 8 has been all made of ceramic material, and ceramics have excellent high temperature strength and electrical insulation capability, and long service life also has
Excellent heat-proof quality, excellent is antiacid, oily.The corrosive power of steam, it is nontoxic to have no adverse effects to environment, realize change
The function of depressor casing practicability, the feature of environmental protection, the inner cavity of porcelain bushing 8 are socketed with high screen casing 13, and height screen casing 13 includes logical
Hole 14, connection lantern ring 15 and groove 16, connection lantern ring 15 are fixedly attached to the upside of high screen casing 13,16 company of being provided with of groove
The upper surface of female connector ring 15, through-hole 14 are uniformly provided with the whole body outer wall of high screen casing 13, by the high screen casing 13 of installation, not only
The safety for reinforcing protecting bushing shell for transformer inner conductive bar, also substantially increases the screening energy of its bushing shell for transformer main body
The inner cavity of power, height screen casing 13 is socketed with conducting rod 10, and the upside of conducting rod 10 offers the second external screw thread 9, conducting rod 10
Lower side be socketed with insulation sleeve 11, the bottom end of conducting rod 10 is fixedly connected with terminal plate 12, and set Pipeline clip 1 passes through the second outer spiral shell
9 spiral of line is mounted on the upside of conducting rod 10.
The upside both ends of set Pipeline clip 1 are fixedly welded with terminal plate, and threaded hole has been opened in one end face of terminal plate, cover pipeline
The two side ends of folder 1 are symmetrically fixedly welded with fastening plates, and threaded hole, the upper end of transformer tank have been opened in an end face of fastening plates
Face offers threaded hole, and threaded hole is adapted with the first external screw thread 3, and the radius of height screen casing 13 is less than the half of porcelain bushing 8
The radius of diameter, height screen casing 13 is greater than the radius of conducting rod 10, connection lantern ring 15 and first annular slot 19 and the second annular groove 22
It being adapted, the radius of groove 16 is greater than the radius of high screen casing 13, and the radius of height screen casing 13 is greater than the radius of the second through-hole 20,
One end of first connecting column 18 and the second connecting column 23 is socketed with leather plug, and the first connecting column 18 and the second connecting column 23 and ceramics
Casing 8 is adapted, and for the radius of first annular slot 19 less than the first connecting column 18, the radius of first annular slot 19 is greater than the second through-hole
20 radius, the radius of the second annular groove 22 are greater than the radius of third through-hole 21, and the radius of the second annular groove 22 connects less than second
The radius of column 23 is connect, height screen casing 13 is slidably mounted on first annular slot 19 and the second annular groove 22 by connecting lantern ring 15 respectively
Inner end.
Working principle: when needing work, user can be by inserting the upper end of conducting rod 10 from the bottom end of lower insulator 4
Enter to lower 4 inner end of insulator, then high screen casing 13 is engaged to the first annular slot in upper surface of lower insulator 4 using connection lantern ring 15
In 19, lower insulator 4 is inserted into the bottom end inner cavity of porcelain bushing 8 followed by the first connecting column 18, by installing insulation sleeve 11
With the first sealing ring 17, so that bushing shell for transformer lower end achievees the effect that sealing, user can be by utilizing connection lantern ring 15
Height screen casing 13 is engaged in the second annular groove of lower end surface 22 of upper insulator 2, then utilizes the second connecting column 23 by upper insulator 2
It is inserted into the upper end inner cavity of porcelain bushing 8, set 1 spiral of Pipeline clip is then mounted on to the second external screw thread of upper end 9 of conducting rod 10
Place, is fixed by the way that spiral bolt to be inserted into spiral at the threaded hole of fastening plates one end, by installing the second sealing ring 24, so that becoming
Depressor sleeve upper end achievees the effect that sealing, completes work.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of bushing shell for transformer of high shielding properties, including set Pipeline clip (1), upper insulator (2), lower insulator (4) and ceramic jacket
It manages (8), it is characterised in that: the upper insulator (2) is slidably mounted on the upside inner end of porcelain bushing (8), upper insulator (2) packet
Include third through-hole (21), the second annular groove (22), the second connecting column (23) and the second sealing ring (24), second connecting column
(23) it is fixedly attached to the lower end of insulator (2), second sealing ring (24) is fixedly attached to the upper of the second connecting column (23)
Side, second annular groove (22) are provided with the lower end surface of the second connecting column (23), and the third through-hole (21) is opened
The lower end surface center of two connecting columns (23), the porcelain bushing (8) are fixedly installed with screw thread close to the position of Basolateral
Flange (5), and the outboard end of screwed flange (5) offers threaded hole (6), the lower insulator (4) is slidably mounted on porcelain bushing
(8) deviate from the downside inner end of upper insulator (2), the lower insulator (4) includes the first sealing ring (17), the first connecting column (18), the
One annular groove (19) and the second through-hole (20), first sealing ring (17) are fixedly attached to the bottom end of lower insulator (4), and described
One connecting column (18) is fixedly attached to the upper end of lower insulator (4), and the first annular slot (19) is provided with the first connecting column (18)
Upper surface, second through-hole (20) opens in the upper surface center of the first connecting column (18), the porcelain bushing (8)
Lower side offer the first external screw thread (3), the outboard end of the porcelain bushing (8) is fixedly installed with umbellate form insulator (7), described
The inner cavity of porcelain bushing (8) is socketed with high screen casing (13), and high screen casing (13) includes through-hole (14), connection lantern ring (15)
With groove (16), connection lantern ring (15) is fixedly attached to the upside of high screen casing (13), and the groove (16) is provided with
The upper surface of lantern ring (15) is connected, the through-hole (14) is uniformly provided with the whole body outer wall of high screen casing (13), the high screen set
The inner cavity of pipe (13) is socketed with conducting rod (10), and the upside of the conducting rod (10) offers the second external screw thread (9), described to lead
The lower side of electric pole (10) is socketed with insulation sleeve (11), and the bottom end of the conducting rod (10) is fixedly connected with terminal plate (12), institute
State the upside that set Pipeline clip (1) is mounted on conducting rod (10) by the second external screw thread (9) spiral.
2. a kind of bushing shell for transformer of high shielding properties according to claim 1, it is characterised in that: described sleeve pipe wire clamp
(1) upside both ends are fixedly welded with terminal plate, and threaded hole has been opened in one end face of terminal plate, and the two of described sleeve pipe wire clamp (1)
Side is symmetrically fixedly welded with fastening plates, and threaded hole has been opened in an end face of fastening plates.
3. a kind of bushing shell for transformer of high shielding properties according to claim 1, it is characterised in that: the transformer tank
Upper surface offers threaded hole, and threaded hole is adapted with the first external screw thread (3).
4. a kind of bushing shell for transformer of high shielding properties according to claim 1, it is characterised in that: the high screen casing
(13) radius is less than the radius of porcelain bushing (8), and the radius of high screen casing (13) is greater than the radius of conducting rod (10).
5. a kind of bushing shell for transformer of high shielding properties according to claim 1, it is characterised in that: the connection lantern ring
(15) it is adapted with first annular slot (19) and the second annular groove (22).
6. a kind of bushing shell for transformer of high shielding properties according to claim 1, it is characterised in that: the groove (16)
Radius is greater than the radius of high screen casing (13), and the radius of high screen casing (13) is greater than the radius of the second through-hole (20).
7. a kind of bushing shell for transformer of high shielding properties according to claim 1, it is characterised in that: first connecting column
(18) and one end of the second connecting column (23) is socketed with leather plug, and the first connecting column (18) and the second connecting column (23) and ceramic jacket
Pipe (8) is adapted.
8. a kind of bushing shell for transformer of high shielding properties according to claim 1, it is characterised in that: the first annular slot
(19) for radius less than the first connecting column (18), the radius of the first annular slot (19) is greater than the radius of the second through-hole (20).
9. a kind of bushing shell for transformer of high shielding properties according to claim 1, it is characterised in that: second annular groove
(22) radius is greater than the radius of third through-hole (21), and the radius of second annular groove (22) is less than the second connecting column (23)
Radius.
10. a kind of bushing shell for transformer of high shielding properties according to claim 1, it is characterised in that: the high screen casing
(13) inner end for being slidably mounted on first annular slot (19) and the second annular groove (22) respectively by connecting lantern ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821004819.5U CN208368338U (en) | 2018-06-28 | 2018-06-28 | A kind of bushing shell for transformer of high shielding properties |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821004819.5U CN208368338U (en) | 2018-06-28 | 2018-06-28 | A kind of bushing shell for transformer of high shielding properties |
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| Publication Number | Publication Date |
|---|---|
| CN208368338U true CN208368338U (en) | 2019-01-11 |
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ID=64927104
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821004819.5U Active CN208368338U (en) | 2018-06-28 | 2018-06-28 | A kind of bushing shell for transformer of high shielding properties |
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| Country | Link |
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| CN (1) | CN208368338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539643A (en) * | 2020-04-20 | 2021-10-22 | 江苏金安电气有限公司 | Transformer bushing and manufacturing method thereof |
-
2018
- 2018-06-28 CN CN201821004819.5U patent/CN208368338U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539643A (en) * | 2020-04-20 | 2021-10-22 | 江苏金安电气有限公司 | Transformer bushing and manufacturing method thereof |
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