CN105954545B - A kind of Dielectric Test of Transformer termination - Google Patents
A kind of Dielectric Test of Transformer termination Download PDFInfo
- Publication number
- CN105954545B CN105954545B CN201610368807.XA CN201610368807A CN105954545B CN 105954545 B CN105954545 B CN 105954545B CN 201610368807 A CN201610368807 A CN 201610368807A CN 105954545 B CN105954545 B CN 105954545B
- Authority
- CN
- China
- Prior art keywords
- jig arm
- shaped jaws
- locking
- hinge portion
- retainer ring
- 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.)
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2688—Measuring quality factor or dielectric loss, e.g. loss angle, or power factor
- G01R27/2694—Measuring dielectric loss, e.g. loss angle, loss factor or power factor
Abstract
The present invention relates to a kind of Dielectric Test of Transformer termination, and it included the left and right jig arm of hinge portion hinge, and the top in hinge portion is bare terminal end, and the lower section in hinge portion is handle end；Bare terminal end top is left C-shaped jaws and right C-shaped jaws, clamping device is set respectively in left C-shaped jaws and right C-shaped jaws, bare terminal end bottom is installed by compression spring, the outside in hinge portion sets link, handle end sets rotary locking device, locking device is connected by the locking rope of its both sides with left jig arm and right jig arm, sets inverted L-shaped slotted eye in locking device bottom, retainer ring is set respectively in left jig arm and right jig arm；The present invention can improve the safety and efficiency of field high-pressure test wiring, it is easily achieved in the environment without high-altitude operation vehicle, brake pull-rod is operated using operating personnel to clamp and extract high-voltage test leads, it instead of the method that must utilize high-altitude operation vehicle anchor leg in the past, operating efficiency and test accuracy are improved, being smoothed out for experiment has been effectively ensured.
Description
Technical field
The present invention relates to a kind of Dielectric Test of Transformer termination.
Background technology
Transformer interior insulation is made up of many insulating materials.Any insulating materials always has energy under voltage effect
Amount loss.It if dielectric loss is excessive, can raise dielectric temperature, promote material that aging occurs（Embrittlement, decomposition etc.）.Cause
This, the size of dielectric loss is to weigh an important indicator of dielectric electrical property.
Live 110kV, 220kV, 500kV voltage class transformer dielectric loss measurement experiment is the customary examination that has a power failure at present
Test, it is necessary to have a power failure when bushing shell for transformer lead tear open draw after measure.Needed high-pressure side three-phase sleeve pipe during measurement
Pressurized operation is carried out after binding post short circuit.And lack suitable line when carrying out dielectric loss measurement using without disconnecting power lead at present
Test lead is fixed folder, simultaneously because high voltage side of transformer sleeve pipe is higher, short circuit need of work operating personnel use high
Idle job car carries out wiring work.
During prerun, high-altitude operation vehicle frequency of use is larger, causes vehicle deploying to go wrong so that field operation by
, there is the situation of the cars such as people in resistance.Coordinate wiring using high-altitude operation vehicle simultaneously, it is necessary to which scene pays attention to and electrical body safe distance
Control measure, exist and touch the hidden danger that electrical body causes security incident by mistake.And it is longer using the high-altitude operation vehicle wiring activity duration,
Cause operating efficiency relatively low.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of compact-sized, easy to operate, raising operating efficiency, safety
Reliable Dielectric Test of Transformer termination.
The present invention adopts the following technical scheme that：
The present invention includes left jig arm and right jig arm；The left jig arm and right jig arm are hinged by hinge portion, hinge portion it is upper
Side is bare terminal end, and the lower section in hinge portion is handle end；The hinge portion and bare terminal end are conductor, and the handle end is cavity；Institute
It is the left C-shaped jaws and right C-shaped jaws being correspondingly arranged to state bare terminal end top, and the left C-shaped jaws is arranged on the right jig arm
Top, the right C-shaped jaws are arranged on the top of the left jig arm；Set respectively in the left C-shaped jaws and right C-shaped jaws
Clamping device；The bare terminal end bottom is installed by compression spring；The outside in the hinge portion sets link；The handle end, which is set, to be turned
Dynamic locking device, the locking device is connected by the locking rope of its both sides with left jig arm and right jig arm, in the locking device
Bottom sets inverted L-shaped slotted eye；Retainer ring is set respectively in the left jig arm and right jig arm.
Clamping device of the present invention includes left clamping device and right clamping device；The left clamping device includes fixed pacify
Left regulation spring in the left C-shaped jaws and the left intermediate plate for being fixedly mounted on left regulation spring one end, the left tune
The section spring other end is fixedly mounted on left C-shaped jaws madial wall, and the left intermediate plate upper end is fixed with left C-shaped jaws upper end；Institute
Stating right clamping device includes the right regulation spring that is fixedly mounted in the right C-shaped jaws and is fixedly mounted on right regulation spring
The right clamping piece of one end, it is described it is right regulation the spring other end be fixedly mounted on right C-shaped jaws madial wall, the right clamping piece upper end with
Right C-shaped jaws upper end is fixed.
Locking device of the present invention includes column locker and is separately mounted to the left locking of locker lower end both sides
Hook and right locking bail；The locking rope includes left locking rope and right locking rope, one end and the locker one of the left locking rope
Side is fixedly connected, and the right locking rope side is fixedly connected with locker opposite side；The retainer ring includes left retainer ring and the right side
Retainer ring, the left retainer ring is corresponding with the left locking bail, and the right retainer ring is corresponding with the right locking bail.
Good effect of the present invention is as follows：Left jig arm of the invention and right jig arm are hinged by hinge portion, will be covered at the top of brake pull-rod
Enter in inverted L-shaped slotted eye, rotating brake pull-rod makes left jig arm and right jig arm tighten up and loosen, and so as to control bare terminal end folding, passes through a left side
The elastic force of left regulation spring in clamping device and right clamping device and right regulation spring can clamp 110kV, 220kV and
500kV bushing shell for transformer top leads, it is due-in it is next inwardly or outwardly move brake pull-rod by it is left and right locking be hooked on corresponding to
In left and right retainer ring, then locking device is fixed and not rotated, stable and reliable for performance.
It is of the invention overall using stainless steel mitigation weight so that operating personnel can be sent the present invention by action bars
To near bushing shell for transformer top lead.
The lead use being connected with bare terminal end set in handle end cavity of the present invention can be resistant to more than 15kV voltages
Wire, demand of most of dielectric loss 10kV test voltages to wire insulation is met, ensure that experiment safety, operating personnel
Can be after transformer power failure overhaul, portion reaches fast-wiring using apparatus of the present invention on the transformer, realizes without disconnecting power lead
The purpose of dielectric loss measurement.
The present invention can improve the safety and efficiency of field high-pressure test wiring, it is easy to accomplish without high-altitude operation vehicle
In environment, brake pull-rod is operated to clamp and extract high-voltage test leads using operating personnel, instead of must utilize high-altitude in the past
The method of Operation Van's anchor leg, improves operating efficiency and test accuracy, and being smoothed out for experiment has been effectively ensured.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
In the accompanying drawings：1 left jig arm, 2 right jig arm, 3 left C-shaped jaws, 4 right C-shaped jaws, 5 left regulation springs, 6 left intermediate plates, 7
Right regulation spring, 8 right clamping pieces, 9 compression springs, 10 hinge portions, 11 lockers, the left locking ropes of 12-1, the right locking ropes of 12-2,13 left sides
Locking bail, 14 right locking bails, 15 left retainer rings, 16 right retainer rings, 17 links, 18 inverted L-shaped slotted eyes, 19 wires.
Embodiment
As shown in Figure 1, the present invention includes left jig arm 1 and right jig arm 2；The left jig arm 1 and right jig arm 2 pass through hinge portion
10 are hinged, and the top in hinge portion 10 is bare terminal end, and the lower section in hinge portion 10 is handle end；The hinge portion 10 is to lead with bare terminal end
Body, the handle end are cavity；The bare terminal end top is the left C-shaped jaws 3 and right C-shaped jaws 4 being correspondingly arranged, the left C
Clevis mouth 3 is arranged on the top of the right jig arm 2, and the right C-shaped jaws 4 is arranged on the top of the left jig arm 1；
Clamping device is set respectively in the left C-shaped jaws 3 and right C-shaped jaws 4；The clamping device includes structure phase
Same left clamping device and right clamping device；The left clamping device includes the left tune being fixedly mounted in the left C-shaped jaws 3
Section spring 5 and the left intermediate plate 6 for being fixedly mounted on left regulation spring 5 one end, the left regulation other end of spring 5 are fixedly mounted on
On the madial wall of left C-shaped jaws 3, the left upper end of intermediate plate 6 is fixed with the upper end of left C-shaped jaws 3；The right clamping device includes solid
The right regulation spring 7 and be fixedly mounted on the right right clamping piece 8 for adjusting the one end of spring 7 that Dingan County is mounted in the right C-shaped jaws 4,
The right regulation other end of spring 7 is fixedly mounted on the madial wall of right C-shaped jaws 4, the upper end of right clamping piece 8 and right C-shaped jaws 4
Upper end is fixed.The bare terminal end bottom is installed by compression spring 9；The outside in the hinge portion 10 sets link 17.The handle end
Rotary locking device is set, and the locking device is connected by the locking rope of its both sides with left jig arm 1 and right jig arm 2, described
Locking device bottom sets inverted L-shaped slotted eye 18；Retainer ring is set respectively in the left jig arm 1 and right jig arm 2.The locking dress
The left locking bail 13 and right locking bail 14 of the lower end both sides of locker 11 are put including column locker 11 and are separately mounted to, it is described
Inverted L-shaped slotted eye 18 is arranged on the bottom of locker 11, and the locking rope includes left locking rope 12-1 and right locking rope 12-2,
One end of the left locking rope 12-1 is fixedly connected with the side of locker 11, and the right locking rope 12-2 sides and locker 11 are another
Side is fixedly connected；The retainer ring includes left retainer ring 15 and right retainer ring 16, the left retainer ring 15 and the left locking
The correspondence of hook 13, the right retainer ring 16 are corresponding with the right locking bail 14.It is left jig arm 1 or right folder in handle end cavity of the present invention
The wire 19 being connected with bare terminal end is set in arm 2.
During work, operating personnel first with being enclosed at the top of action bars on link 17, will lift in the present invention, make the bare terminal end of opening
Approached with bushing shell for transformer lead, operating personnel are again with insertion inverted L-shaped slotted eye 18, turn clockwise brake pull-rod at the top of brake pull-rod
Locker 11 is driven to rotate, then left locking rope 12-1 and right locking rope 12-2 is tightened up while pulled left jig arm 1 or right jig arm 2 to receive
Tightly, make the left intermediate plate 6 and the gripping sleeve lead of right clamping piece 8 of left C-shaped jaws 3 and right C-shaped jaws 4, then move brake pull-rod by left lock
Tight hook 13 and right locking bail 14 are hung in left retainer ring 15 and right retainer ring 16, and now locker 11, which is fixed, no longer rotates.
Brake pull-rod is moved when removing the present invention to take left locking bail 13 and right locking bail 14 from left retainer ring 15 and right retainer ring 16,
Bare terminal end is opened by the elastic force of compression spring 9.
The present invention can be pressed from both sides by the elastic force of the left regulation spring in left clamping device and right clamping device and right regulation spring
110kV, 220kV and 500kV bushing shell for transformer top lead are held, the present invention is overall to mitigate weight using stainless steel, makes
Operating personnel are obtained the present invention can be sent near bushing shell for transformer top lead by action bars.
The wire use being connected with bare terminal end set in handle end cavity of the present invention can be resistant to more than 15kV voltages
Wire, demand of most of dielectric loss 10kV test voltages to wire insulation is met, ensure that experiment safety, operating personnel
Can be after transformer power failure overhaul, portion reaches fast-wiring using apparatus of the present invention on the transformer, realizes without disconnecting power lead
The purpose of dielectric loss measurement.
The present invention can improve the safety and efficiency of field high-pressure test wiring, it is easy to accomplish without high-altitude operation vehicle
In environment, brake pull-rod is operated to clamp and extract high-voltage test leads using operating personnel, instead of must utilize high-altitude in the past
The method of Operation Van's anchor leg, improves operating efficiency and test accuracy, and being smoothed out for experiment has been effectively ensured.
Embodiment described above is only the preferred embodiments of the present invention, and the simultaneously exhaustion of non-invention possible embodiments.
For persons skilled in the art, to any aobvious made by it on the premise of without departing substantially from the principle of the invention and spirit
And the change being clear to, it should all be contemplated as falling with the claims of the present invention.
Claims (3)
1. a kind of Dielectric Test of Transformer termination, it is characterised in that it includes left jig arm（1）With right jig arm（2）；The left side
Jig arm（1）With right jig arm（2）Pass through hinge portion（10）It is hinged, hinge portion（10）Top be bare terminal end, hinge portion（10）Under
Side is handle end；The hinge portion（10）It is conductor with bare terminal end, the handle end is cavity；
The bare terminal end top is the left C-shaped jaws being correspondingly arranged（3）With right C-shaped jaws（4）, the left C-shaped jaws（3）Set
In the right jig arm（2）Top, the right C-shaped jaws（4）It is arranged on the left jig arm（1）Top；
In the left C-shaped jaws（3）With right C-shaped jaws（4）Clamping device is inside set respectively；
The bare terminal end bottom is installed by compression spring（9）；
The hinge portion（10）Outside set link（17）；
The handle end sets rotary locking device, locking rope and left jig arm of the locking device by its both sides（1）And the right side
Jig arm（2）Connection, inverted L-shaped slotted eye is set in the locking device bottom（18）；In the left jig arm（1）With right jig arm（2）On
Retainer ring is set respectively.
A kind of 2. Dielectric Test of Transformer termination according to claim 1, it is characterised in that the clamping device bag
Include left clamping device and right clamping device；
The left clamping device includes being fixedly mounted on the left C-shaped jaws（3）Interior left regulation spring（5）And it is fixedly mounted
In left regulation spring（5）The left intermediate plate of one end（6）, the left regulation spring（5）The other end is fixedly mounted on left C-shaped jaws（3）
On madial wall, the left intermediate plate（6）Upper end and left C-shaped jaws（3）Upper end is fixed；
The right clamping device includes being fixedly mounted on the right C-shaped jaws（4）Interior right regulation spring（7）And it is fixedly mounted
In right regulation spring（7）The right clamping piece of one end（8）, the right regulation spring（7）The other end is fixedly mounted on right C-shaped jaws（4）
On madial wall, the right clamping piece（8）Upper end and right C-shaped jaws（4）Upper end is fixed.
A kind of 3. Dielectric Test of Transformer termination according to claim 1 or 2, it is characterised in that the locking device
Including column locker（11）And it is separately mounted to locker（11）The left locking bail of lower end both sides（13）With right locking bail
（14）；
The locking rope includes left locking rope (12-1) and right locking rope（12-2）, one end of the left locking rope (12-1) with
Locker（11）Side is fixedly connected, the right locking rope（12-2）Side and locker（11）Opposite side is fixedly connected；
The retainer ring includes left retainer ring（15）With right retainer ring（16）, the left retainer ring（15）With the left locking bail
（13）It is corresponding, the right retainer ring（16）With the right locking bail（14）It is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610368807.XA CN105954545B (en) | 2016-05-30 | 2016-05-30 | A kind of Dielectric Test of Transformer termination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610368807.XA CN105954545B (en) | 2016-05-30 | 2016-05-30 | A kind of Dielectric Test of Transformer termination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105954545A CN105954545A (en) | 2016-09-21 |
| CN105954545B true CN105954545B (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610368807.XA Active CN105954545B (en) | 2016-05-30 | 2016-05-30 | A kind of Dielectric Test of Transformer termination |
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| Country | Link |
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| CN (1) | CN105954545B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802440A (en) * | 2018-08-30 | 2018-11-13 | 贵州电网有限责任公司 | A kind of transformer test rapid wiring device |
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| CN201898273U (en) * | 2010-09-30 | 2011-07-13 | 李回宗 | Sleeve tongs |
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| CN203672921U (en) * | 2014-01-26 | 2014-06-25 | 国家电网公司 | End screen wiring device especially for transformer bushing dielectric loss testing |
| CN203705482U (en) * | 2013-12-16 | 2014-07-09 | 国家电网公司 | Dedicated wiring clamping tool for testing insulating property of lightning arrester |
| CN204008735U (en) * | 2014-08-19 | 2014-12-10 | 国家电网公司 | A kind of electrical test wiring binding clip |
| CN204216383U (en) * | 2014-12-04 | 2015-03-18 | 重庆市丽丹装饰有限公司 | Electrician's wiring coiling clamps |
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| CN205826699U (en) * | 2016-05-30 | 2016-12-21 | 国网河北省电力公司电力科学研究院 | A kind of Dielectric Test of Transformer termination |
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| DE102012024560B3 (en) * | 2012-12-17 | 2014-03-27 | B2 Electronic Gmbh | Circuit arrangement and method for generating a test voltage and test apparatus for determining a loss factor, which contains the circuit arrangement |
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2016
- 2016-05-30 CN CN201610368807.XA patent/CN105954545B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105954545A (en) | 2016-09-21 |
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