CN108318789A - A kind of special grading ring of bushing shell for transformer experiment - Google Patents
A kind of special grading ring of bushing shell for transformer experiment Download PDFInfo
- Publication number
- CN108318789A CN108318789A CN201810171432.7A CN201810171432A CN108318789A CN 108318789 A CN108318789 A CN 108318789A CN 201810171432 A CN201810171432 A CN 201810171432A CN 108318789 A CN108318789 A CN 108318789A
- Authority
- CN
- China
- Prior art keywords
- ring
- alclad
- semi
- grading ring
- bushing
- 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.)
- Granted
Links
- 238000002474 experimental method Methods 0.000 title abstract description 10
- 229910000989 Alclad Inorganic materials 0.000 claims abstract description 65
- 238000012360 testing method Methods 0.000 claims abstract description 34
- 238000005498 polishing Methods 0.000 claims abstract description 16
- 241000883966 Astrophytum capricorne Species 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 239000004411 aluminium Substances 0.000 claims description 10
- 238000013461 design Methods 0.000 abstract description 7
- 208000002173 dizziness Diseases 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 241001494479 Pecora Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Insulators (AREA)
Abstract
The invention discloses a kind of bushings shell for transformer to test special grading ring, clamp device is fixed including test on bushing grading ring ontology and the unsymmetric structure nested type being arranged on test on bushing grading ring ontology, it includes the first semi-ring alclad, the second semi-ring alclad, multiple polishing bolts and four support bars that the unsymmetric structure nested type, which fixes clamp device,.The present invention bushing shell for transformer tests special grading ring and uses exclusive unsymmetric structure Nested design, only need staff that grading ring is directly sleeved on bushing end, the exclusive unsymmetric structure Nested design can meet a variety of situations such as the cylinder-shaped end of " "-" type " single lug connecting terminal, " goat's horn type " two-wire clamping connection line terminals and conducting rod, it is fixed convenient, stable, it is also very convenient to remove, various inconvenience when experiment grading ring all the time is fixed on connecting terminal are avoided, the working efficiency of high voltage electrical test is greatly improved.
Description
Technical field
The present invention relates to high voltage electrical test equipment technical fields more particularly to a kind of experiment of bushing shell for transformer special to press
Ring.
Background technology
Currently, in the live high voltage electrical test such as power plant, substation, especially transformer long-time inducting-voltage proof and
The field tests such as Partial Discharge Detection often use grading ring, and overwhelming majority Equalized voltage ring construction design used at present is paid no attention to
Think, and staff needs grading ring band supreme pressing sleeve tube end position（Liftoff 4~5 meters）Manually by the turn of the screw or twine
The two is fixed around metallic cable, although bushing end shape is complex, there are multiple types, has plenty of " "-" type "
Single lug connecting terminal, sometimes " goat's horn type " two-wire clamping connection line terminals, the only cylinder-shaped end of conducting rod sometimes, therefore
It is unfavorable the shortcomings that being not easy there is fixed difficult, unstable, dismounting in grading ring and casing fixation procedure when testing at the scene
Facilitate application in field test, reduces the whole efficiency of experiment.
Invention content
The object of the present invention is to provide a kind of bushings shell for transformer to test special grading ring, can facilitate to different type end
Bushing carry out the fixation and dismounting of experiment grading ring, improve high voltage electrical test efficiency, reduce staff because
Fixed bushing end grading ring causes large effect to work on the spot.
The technical solution adopted by the present invention is：
A kind of special grading ring of bushing shell for transformer experiment, including test on bushing grading ring ontology 1 and setting are pressed in test on bushing
Unsymmetric structure nested type in ring body 1 fixes clamp device, and the unsymmetric structure nested type fixes clamp device packet
The first semi-ring alclad 2, the second semi-ring alclad 3, multiple polishing bolts 4 and four support bars 5, first semi-ring are included
Alclad 2 and the second semi-ring alclad 3 are rectangular slab, and two rectangular slabs are equal by two support bars 5 and test on bushing respectively
The inner wall of pressure ring ontology 1 is fixed；The middle part of described two rectangular slabs is correspondingly arranged on semiarc shape recess portion, first semi-ring
Alclad 2 and the second semi-ring alclad 3 are fixedly installed by multiple polishing bolt-clearances；The first semi-ring alclad 2
The semiarc shape recess portion of semiarc shape recess portion and the second semi-ring alclad 3 is of different sizes, the first semi-ring alclad 2 and the second semi-ring aluminium folder
The semiarc shape recess portion of plate 3 is oppositely arranged, and after the semiarc shape recesses fit of the first semi-ring alclad 2 and the second semi-ring alclad 3
For a stringent positive round.
The gap of the first semi-ring alclad 2 and the second semi-ring alclad 3 apart from size and " "-" type " single line
The thickness size of clamping connection line terminals is identical.
Between the thickness size and two wire clamps of " goat's horn type " two-wire clamping connection line terminals of the first semi-ring alclad 2
Spacing size is identical.
It is one stringent after the semiarc shape recesses fit of the first semi-ring alclad 2 and the second semi-ring alclad 3
The radius size of positive round is identical as the radius size of cylindrical conductive bar upper end.
4 periphery of polishing bolt is smooth mellow and full, and the shape for preventing surface lofty causes unnecessary electricity
Dizzy interference.
The support bar 5 is smooth mellow and full with the first semi-ring alclad 2 and 3 junction of the second semi-ring alclad, is prevented
The lofty shape in surface causes unnecessary corona to interfere.
The special grading ring 1 of the experiment is whole aluminum products, and multiple polishing bolts 4 and four support bars 5 are respectively aluminium
Polishing bolt and aluminium support bar are largely to mitigate total quality.
The present invention bushing shell for transformer tests special grading ring and uses exclusive unsymmetric structure Nested design, only needs work
Make personnel and grading ring is directly sleeved on bushing end, which can meet
A variety of situations such as the cylinder-shaped end of " "-" type " single lug connecting terminal, " goat's horn type " two-wire clamping connection line terminals and conducting rod,
It is fixed it is convenient, stablize, it is also very convenient to remove, avoid when experiment grading ring all the time is fixed on connecting terminal it is various not
Just, the working efficiency of high voltage electrical test is greatly improved.
Description of the drawings
Fig. 1 is the front view figure of the present invention；
Fig. 2 is the stereogram of the present invention.
Specific implementation mode
As illustrated in fig. 1 and 2, the present invention includes test on bushing grading ring ontology 1 and is arranged in test on bushing grading ring ontology 1
On unsymmetric structure nested type fix clamp device, the unsymmetric structure nested type fix clamp device include first
Semi-ring alclad 2, the second semi-ring alclad 3, multiple polishing bolts 4 and four support bars 5, the first semi-ring alclad 2
It is rectangular slab with the second semi-ring alclad 3, two rectangular slabs pass through two support bars 5 and test on bushing grading ring ontology respectively
1 inner wall is fixed；The middle part of described two rectangular slabs is correspondingly arranged on semiarc shape recess portion, the first semi-ring alclad 2
It is fixedly installed by multiple polishing bolt-clearances with the second semi-ring alclad 3；The semiarc shape of the first semi-ring alclad 2 is recessed
The semiarc shape recess portion of portion and the second semi-ring alclad 3 is of different sizes, and the half of the first semi-ring alclad 2 and the second semi-ring alclad 3
Arcuation recess portion is oppositely arranged, and tight for one after the semiarc shape recesses fit of the first semi-ring alclad 2 and the second semi-ring alclad 3
The positive round of lattice.
The gap of the first semi-ring alclad 2 and the second semi-ring alclad 3 apart from size and " "-" type " single line
The thickness size of clamping connection line terminals is identical.The thickness size of the first semi-ring alclad 2 and " goat's horn type " two-wire clamping connection line
Spacing size is identical between two wire clamps of terminal.The semiarc shape of the first semi-ring alclad 2 and the second semi-ring alclad 3
It is identical as the radius size of cylindrical conductive bar upper end for the radius size of a stringent positive round after recesses fit.It is asymmetric
One, which is strictly constituted, after the first semi-ring alclad 2, the cooperation of the second semi-ring alclad 3 in structure Nested design meets calibration scale
Very little positive round.And the design of the first semi-ring alclad 2 is when being the case where encountering " goat's horn type " two-wire clamping connection line terminals, the first half
Ring alclad 2 impregnable can be put into gap between two wire clamps of " goat's horn type " two-wire clamping connection line terminals.
4 periphery of polishing bolt is smooth mellow and full, and the shape for preventing surface lofty causes unnecessary electricity
Dizzy interference.The support bar 5 is smooth mellow and full with the first semi-ring alclad 2 and 3 junction of the second semi-ring alclad, prevents table
The lofty shape in face causes unnecessary corona to interfere.Multiple polishing bolts 4 and four support bars 5 are respectively aluminium polishing
Bolt and aluminium support bar are largely to mitigate total quality.
First semi-ring alclad 2 and the second semi-ring alclad 3 of the present invention cooperate and there are gaps.And gap
Be a centre it is round, generally narrow and long rectangular shape, " "-" type " single lug connecting terminal, " sheep can be met in this way
A variety of situations such as the cylinder-shaped end of angle-style " two-wire clamping connection line terminals and conducting rod.Usual bushing end connection terminal
The cylinder-shaped end size of plate thickness and conducting rod is calibration, therefore gap distance is to meet bushing end just
The size of the metallic plate nominal thickness of portion's connecting terminal and the cylinder-shaped end of conducting rod.The distance in gap can also lead to when necessary
Crossing polishing bolt 4 can be adjusted.Aluminium grading ring 6 is pressed from both sides by aluminium support bar 5 and the first semi-ring alclad 2 and the second semi-ring aluminium
Plate 3 connects, and constitutes a kind of bushing shell for transformer and tests special grading ring 1.Only staff is needed to be directly sleeved on grading ring when use
Bushing end.
The present invention bushing shell for transformer tests special grading ring and uses exclusive unsymmetric structure Nested design, only needs work
Make personnel and grading ring is directly sleeved on bushing end, which can meet
A variety of situations such as the cylinder-shaped end of " "-" type " single lug connecting terminal, " goat's horn type " two-wire clamping connection line terminals and conducting rod,
It is fixed it is convenient, stablize, it is also very convenient to remove, avoid when experiment grading ring all the time is fixed on connecting terminal it is various not
Just, the working efficiency of high voltage electrical test is greatly improved.
Above-mentioned specific implementation mode is used for illustrating the present invention, rather than limits the invention, in the spirit of the present invention
In scope of the claims, to any modifications and changes that the present invention makes, protection scope of the present invention is both fallen within.
Claims (7)
1. a kind of bushing shell for transformer tests special grading ring, it is characterised in that：Including test on bushing grading ring ontology（1）And setting
In test on bushing grading ring ontology（1）On unsymmetric structure nested type fix clamp device, the unsymmetric structure is nested
It includes the first semi-ring alclad that formula, which fixes clamp device,（2）, the second semi-ring alclad（3）, multiple polishing bolts（4）With four
Support bar（5）, the first semi-ring alclad（2）With the second semi-ring alclad（3）It is rectangular slab, two rectangular slab difference
Pass through two support bars（5）With test on bushing grading ring ontology（1）Inner wall fix；The middle part of described two rectangular slabs is corresponding
It is provided with semiarc shape recess portion, the first semi-ring alclad（2）With the second semi-ring alclad（3）By between multiple polishing bolts
Gap is fixedly installed；The first semi-ring alclad（2）Semiarc shape recess portion and the second semi-ring alclad（3）Semiarc shape recess portion
It is of different sizes, the first semi-ring alclad（2）With the second semi-ring alclad（3）Semiarc shape recess portion be oppositely arranged, and the first semi-ring
Alclad（2）With the second semi-ring alclad（3）Semiarc shape recesses fit after be a stringent positive round.
2. a kind of bushing shell for transformer according to claim 1 tests special grading ring（1）, it is characterised in that：Described
One semi-ring alclad（2）With the second semi-ring alclad（3）Gap apart from size and " "-" type " single lug connecting terminal
Thickness size is identical.
3. a kind of bushing shell for transformer according to claim 1 tests special grading ring（1）, it is characterised in that：Described
One semi-ring alclad（2）Thickness size and two wire clamps of " goat's horn type " two-wire clamping connection line terminals between spacing size it is identical.
4. a kind of bushing shell for transformer according to claim 1 tests special grading ring（1）, it is characterised in that：Described
One semi-ring alclad（2）With the second semi-ring alclad（3）Semiarc shape recesses fit after for a stringent positive round radius it is big
It is small identical as the radius size of cylindrical conductive bar upper end.
5. a kind of bushing shell for transformer according to claim 1 tests special grading ring（1）, it is characterised in that：Described beats
Grind bolt（4）Periphery is smooth mellow and full, and the shape for preventing surface lofty causes unnecessary corona to interfere.
6. a kind of bushing shell for transformer according to claim 1 tests special grading ring（1）, it is characterised in that：The branch
Stay（5）With the first semi-ring alclad（2）With the second semi-ring alclad（3）Junction is smooth mellow and full, prevents surface lofty
Shape causes unnecessary corona to interfere.
7. a kind of bushing shell for transformer according to claim 1 tests special grading ring（1）, it is characterised in that：The examination
Test special grading ring（1）For whole aluminum products, multiple polishing bolts（4）With four support bars（5）Respectively aluminium polishing bolt and
Aluminium support bar is largely to mitigate total quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810171432.7A CN108318789B (en) | 2018-03-01 | 2018-03-01 | Special grading ring for transformer bushing test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810171432.7A CN108318789B (en) | 2018-03-01 | 2018-03-01 | Special grading ring for transformer bushing test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108318789A true CN108318789A (en) | 2018-07-24 |
| CN108318789B CN108318789B (en) | 2024-01-30 |
Family
ID=62900061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810171432.7A Active CN108318789B (en) | 2018-03-01 | 2018-03-01 | Special grading ring for transformer bushing test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108318789B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0888039A (en) * | 1994-09-19 | 1996-04-02 | Tooma Japan:Kk | Terminal board common to various kinds of batteries |
| EP2023441A1 (en) * | 2007-08-08 | 2009-02-11 | Manfred Menini | Bistable device forming an electric switch of a battery terminal |
| CN201690093U (en) * | 2010-06-11 | 2010-12-29 | 河南省电力公司焦作供电公司 | Pluggable wire clip |
| CN202513302U (en) * | 2012-03-29 | 2012-10-31 | 江苏安荣电气设备有限公司 | Copper-aluminum composite junction terminal for use in power transmission connection |
| CN206116638U (en) * | 2016-10-13 | 2017-04-19 | 陆根德 | Reliable electrically conductive fastener of asymmetric of structure |
| CN106848640A (en) * | 2017-04-06 | 2017-06-13 | 山东电力设备有限公司 | A kind of grading ring special wiring terminal |
| CN206292348U (en) * | 2016-12-24 | 2017-06-30 | 大连鑫垚电器制造股份有限公司 | The power frequency partial discharge test frock of epoxy resin wall bushing |
| CN207866966U (en) * | 2018-03-01 | 2018-09-14 | 国网河南省电力公司电力科学研究院 | A kind of special grading ring of bushing shell for transformer experiment |
-
2018
- 2018-03-01 CN CN201810171432.7A patent/CN108318789B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0888039A (en) * | 1994-09-19 | 1996-04-02 | Tooma Japan:Kk | Terminal board common to various kinds of batteries |
| EP2023441A1 (en) * | 2007-08-08 | 2009-02-11 | Manfred Menini | Bistable device forming an electric switch of a battery terminal |
| CN201690093U (en) * | 2010-06-11 | 2010-12-29 | 河南省电力公司焦作供电公司 | Pluggable wire clip |
| CN202513302U (en) * | 2012-03-29 | 2012-10-31 | 江苏安荣电气设备有限公司 | Copper-aluminum composite junction terminal for use in power transmission connection |
| CN206116638U (en) * | 2016-10-13 | 2017-04-19 | 陆根德 | Reliable electrically conductive fastener of asymmetric of structure |
| CN206292348U (en) * | 2016-12-24 | 2017-06-30 | 大连鑫垚电器制造股份有限公司 | The power frequency partial discharge test frock of epoxy resin wall bushing |
| CN106848640A (en) * | 2017-04-06 | 2017-06-13 | 山东电力设备有限公司 | A kind of grading ring special wiring terminal |
| CN207866966U (en) * | 2018-03-01 | 2018-09-14 | 国网河南省电力公司电力科学研究院 | A kind of special grading ring of bushing shell for transformer experiment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108318789B (en) | 2024-01-30 |
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