CN105954545A - Transformer dielectric loss test wiring device - Google Patents
Transformer dielectric loss test wiring device Download PDFInfo
- Publication number
- CN105954545A CN105954545A CN201610368807.XA CN201610368807A CN105954545A CN 105954545 A CN105954545 A CN 105954545A CN 201610368807 A CN201610368807 A CN 201610368807A CN 105954545 A CN105954545 A CN 105954545A
- 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.)
- Granted
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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 invention relates to a transformer dielectric loss test wiring device. The transformer dielectric loss test wiring device comprises a left clamping arm and a right clamping arm which are hinged through a hinge portion, wherein an upper portion of the hinge portion is a clamping end, a lower portion of the hinge portion is a handle end, an upper portion of the clamping end is a left C-shaped clip mouth and a right C-shaped clip mouth, the left C-shaped clip mouth and the right C-shaped clip mouth are respectively provided with a clamping device, a lower portion of the clamping end is equipped with a compression spring, an outer side of the hinge portion is provided with a suspension ring, the handle end is provided with a rotary locking device, the locking device is connected with the left clamping arm and the right clamping arm through locking ropes at two sides, bottom ends of the clamping devices are provided with inverted L-shaped groove holes, and the left clamping arm and the right clamping arm are respectively provided with a fixing ring. According to the transformer dielectric loss test wiring device, safety and efficiency of field high voltage test wiring can be improved, a high voltage test leading wire can be clamped and removed by an operator through operating a brake lever under the environment of no hydraulic aerial cage, a method employing the hydraulic aerial cage to fixing the leading wire in the prior art can be replaced, work efficiency and test precision are improved, and tests are effectively guaranteed to carry out smoothly.
Description
Technical field
The present invention relates to a kind of Dielectric Test of Transformer termination.
Background technology
In transformator, insulation is made up of a lot of insulant.Any insulant, under voltage effect, always has energy loss.If dielectric loss is excessive, electrolyte temperature can be made to raise, promote material that aging (embrittlement, decomposition etc.) occurs.Therefore, the size of dielectric loss is to weigh an important indicator of dielectric electrical property.
The most on-the-spot 110kV, 220kV, 500kV electric pressure transformator dielectric loss measurement test is power failure routine test, and bushing shell for transformer lead-in wire is torn open when having a power failure after drawing and measured by needs.Need during measurement to carry out pressurized operation after the three-phase conduit connection terminal short circuit of high-pressure side.And lack suitable wire clamp when using without disconnecting power lead to carry out dielectric loss measurement at present and test lead is fixed, simultaneously because high voltage side of transformer sleeve pipe is higher, short circuit job demand operator use high-altitude operation vehicle to carry out wiring work.
During prerun, high-altitude operation vehicle uses frequency relatively big, causes vehicle deploying to go wrong so that field operation is obstructed, the situation that people waits for bus occurs.Use high-altitude operation vehicle to coordinate wiring simultaneously, need scene to note and the control measure of electrical body safe distance, exist and touch electrical body by mistake and cause the hidden danger of security incident.And use the high-altitude operation vehicle wiring activity duration longer, cause work efficiency relatively low.
Summary of the invention
The technical problem to be solved is to provide a kind of compact conformation, easy to operate, raising work efficiency, safe and 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;Described left jig arm and right jig arm are hinged by hinge portion, and hinge portion is arranged above bare terminal end, and the lower section in hinge portion is handle end;Described hinge portion and bare terminal end are conductor, and described handle end is cavity;Described bare terminal end top is the left C-shaped jaws and right C-shaped jaws being correspondingly arranged, and described left C-shaped jaws is arranged on the top of described right jig arm, and described right C-shaped jaws is arranged on the top of described left jig arm;It is respectively provided with clamping device in described left C-shaped jaws and right C-shaped jaws;Compression spring is installed in described bare terminal end bottom;The outside in described hinge portion arranges link;Described handle end arranges rotary locking device, and described locking device is connected with left jig arm and right jig arm by the locking rope of its both sides, arranges inverted L-shaped slotted eye in described locking device bottom;Described left jig arm and right jig arm are respectively provided with retainer ring.
Clamping device of the present invention includes left clamping device and right clamping device;Described left clamping device includes the left regulation spring being fixedly mounted in described left C-shaped jaws and is fixedly mounted on the left intermediate plate of left regulation spring one end, the described left regulation spring other end is fixedly mounted on left C-shaped jaws medial wall, and described left intermediate plate upper end is fixed with left C-shaped jaws upper end;Described right clamping device includes the right regulation spring being fixedly mounted in described right C-shaped jaws and is fixedly mounted on the right clamping piece of right regulation spring one end, the described right regulation spring other end is fixedly mounted on right C-shaped jaws medial wall, and described right clamping piece upper end is fixed with right C-shaped jaws upper end.
Locking device of the present invention includes column locker and the left locking bail being separately mounted to both sides, locker lower end and right locking bail;Described locking rope includes left locking rope and right locking rope, and one end of described left locking rope is fixing with locker side to be connected, and described right locking rope side is fixing with locker opposite side to be connected;Described retainer ring includes left retainer ring and right retainer ring, and described left retainer ring is corresponding with described left locking bail, and described right retainer ring is corresponding with described right locking bail.
Good effect of the present invention is as follows: the left jig arm of the present invention and right jig arm are hinged by hinge portion, brake pull-rod top is inserted in inverted L-shaped slotted eye, rotating brake pull-rod makes left jig arm and right jig arm tighten up and loosen, thus control bare terminal end folding, 110kV can be clamped by the elastic force of the left regulation spring in left clamping device and right clamping device and right regulation spring, 220kV and 500kV bushing shell for transformer top lead, after tightening up outwards or move inward brake pull-rod by a left side, right locking bail hangs over a left side for correspondence, in right retainer ring, then locking device is fixing does not rotates, stable and reliable for performance.
Entirety of the present invention uses stainless steel to alleviate weight so that the present invention can be delivered near bushing shell for transformer top lead by operator by action bars.
The lead-in wire being connected with bare terminal end arranged in handle end cavity of the present invention uses the wire that can tolerate more than 15kV voltage, meet the major part dielectric loss 10kV test voltage demand to wire insulation, ensure that experimental safe, operator can be after transformator power failure overhaul, portion utilizes apparatus of the present invention to reach fast-wiring on the transformer, it is achieved the purpose of without disconnecting power lead dielectric loss measurement.
The present invention can improve safety and the efficiency of field high-pressure test wiring, it is easily achieved without in the environment of high-altitude operation vehicle, utilize operating personnel to operate brake pull-rod clamp and extract high-voltage test leads, instead of the method that in the past must utilize high-altitude operation vehicle anchor leg, improve work efficiency and test accuracy, being smoothed out of test has been effectively ensured.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
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 springs, 8 right clamping pieces, 9 compression springs, 10 hinge portions, 11 lockers, the left locking rope of 12-1, the right locking rope of 12-2,13 left locking bails, 14 right locking bails, 15 left retainer ring, 16 right retainer ring, 17 links, 18 inverted L-shaped slotted eyes, 19 wires.
Detailed description of the invention
As shown in Figure 1, the present invention includes left jig arm 1 and right jig arm 2;Described left jig arm 1 and right jig arm 2 are hinged by hinge portion 10, and hinge portion 10 is arranged above bare terminal end, and the lower section in hinge portion 10 is handle end;Described hinge portion 10 is conductor with bare terminal end, and described handle end is cavity;Described bare terminal end top is the left C-shaped jaws 3 and right C-shaped jaws 4 being correspondingly arranged, and described left C-shaped jaws 3 is arranged on the top of described right jig arm 2, and described right C-shaped jaws 4 is arranged on the top of described left jig arm 1;
It is respectively provided with clamping device in described left C-shaped jaws 3 and right C-shaped jaws 4;Described clamping device includes left clamping device that structure is identical and right clamping device;Described left clamping device includes the left regulation spring 5 being fixedly mounted in described left C-shaped jaws 3 and is fixedly mounted on the left intermediate plate 6 of left regulation spring 5 one end, described left regulation spring 5 other end is fixedly mounted on left C-shaped jaws 3 medial wall, and described left intermediate plate 6 upper end is fixed with left C-shaped jaws 3 upper end;Described right clamping device includes the right regulation spring 7 being fixedly mounted in described right C-shaped jaws 4 and is fixedly mounted on the right clamping piece 8 of right regulation spring 7 one end, described right regulation spring 7 other end is fixedly mounted on right C-shaped jaws 4 medial wall, and described right clamping piece 8 upper end is fixed with right C-shaped jaws 4 upper end.Compression spring 9 is installed in described bare terminal end bottom;The outside in described hinge portion 10 arranges link 17.Described handle end arranges rotary locking device, and described locking device is connected with left jig arm 1 and right jig arm 2 by the locking rope of its both sides, arranges inverted L-shaped slotted eye 18 in described locking device bottom;Described left jig arm 1 and right jig arm 2 are respectively provided with retainer ring.Described locking device includes column locker 11 and the left locking bail 13 being separately mounted to both sides, locker 11 lower end and right locking bail 14, described inverted L-shaped slotted eye 18 is arranged on the bottom of locker 11, described locking rope includes left locking rope 12-1 and right locking rope 12-2, one end of described left locking rope 12-1 is fixing with locker 11 side to be connected, and described right locking rope 12-2 side is fixing with locker 11 opposite side to be connected;Described retainer ring includes left retainer ring 15 and right retainer ring 16, and described left retainer ring 15 is corresponding with described left locking bail 13, and described right retainer ring 16 is corresponding with described right locking bail 14.The wire 19 that in handle end cavity of the present invention, i.e. left jig arm 1 or the interior setting of right jig arm 2 are connected with bare terminal end.
During work, operator are first enclosed within link 17 with action bars top, to lift in the present invention, make the bare terminal end opened close with bushing shell for transformer lead-in wire, operator insert in inverted L-shaped slotted eye 18 with brake pull-rod top again, the brake pull-rod that turns clockwise drives locker 11 to rotate, the most left locking rope 12-1 and right locking rope 12-2 tightens up and pulls left jig arm 1 or right jig arm 2 to tighten up simultaneously, make left C-shaped jaws 3 and the left intermediate plate 6 of right C-shaped jaws 4 and right clamping piece 8 gripping sleeve lead-in wire, move brake pull-rod more left locking bail 13 and right locking bail 14 to be hung in left retainer ring 15 and right retainer ring 16, now locker 11 is fixing no longer rotates.Move brake pull-rod when taking off the present invention left locking bail 13 and right locking bail 14 to be taken from left retainer ring 15 and right retainer ring 16, make bare terminal end open by the elastic force of compression spring 9.
The present invention can clamp 110kV, 220kV and 500kV bushing shell for transformer top lead by the elastic force of the left regulation spring in left clamping device and right clamping device and right regulation spring, entirety of the present invention uses stainless steel to alleviate weight so that the present invention can be delivered near bushing shell for transformer top lead by operator by action bars.
The wire being connected with bare terminal end arranged in handle end cavity of the present invention uses the wire that can tolerate more than 15kV voltage, meet the major part dielectric loss 10kV test voltage demand to wire insulation, ensure that experimental safe, operator can be after transformator power failure overhaul, portion utilizes apparatus of the present invention to reach fast-wiring on the transformer, it is achieved the purpose of without disconnecting power lead dielectric loss measurement.
The present invention can improve safety and the efficiency of field high-pressure test wiring, it is easily achieved without in the environment of high-altitude operation vehicle, utilize operating personnel to operate brake pull-rod clamp and extract high-voltage test leads, instead of the method that in the past must utilize high-altitude operation vehicle anchor leg, improve work efficiency and test accuracy, being smoothed out of test has been effectively ensured.
The above embodiment is only the preferred embodiments of the present invention, and and non-invention possible embodiments exhaustive.For persons skilled in the art, any obvious change done to it on the premise of without departing substantially from the principle of the invention and spirit, within all should being contemplated as falling with the claims of the present invention.
Claims (3)
1. a Dielectric Test of Transformer termination, it is characterised in that it includes left jig arm (1) and right jig arm (2);Described left jig arm (1) and right jig arm (2) are hinged by hinge portion (10), hinge portion (10) be arranged above bare terminal end, the lower section of hinge portion (10) is handle end;Described hinge portion (10) and bare terminal end are conductor, and described handle end is cavity;
Described bare terminal end top is the left C-shaped jaws (3) and right C-shaped jaws (4) being correspondingly arranged, and described left C-shaped jaws (3) is arranged on the top of described right jig arm (2), and described right C-shaped jaws (4) is arranged on the top of described left jig arm (1);
It is respectively provided with clamping device in described left C-shaped jaws (3) and right C-shaped jaws (4);
Compression spring (9) is installed in described bare terminal end bottom;
The outside of described hinge portion (10) arranges link (17);
Described handle end arranges rotary locking device, and described locking device is connected with left jig arm (1) and right jig arm (2) by the locking rope of its both sides, arranges inverted L-shaped slotted eye (18) in described locking device bottom;Described left jig arm (1) and right jig arm (2) are respectively provided with retainer ring.
A kind of Dielectric Test of Transformer termination the most according to claim 1, it is characterised in that described clamping device includes left clamping device and right clamping device;
Described left clamping device includes the left regulation spring (5) being fixedly mounted in described left C-shaped jaws (3) and is fixedly mounted on the left intermediate plate (6) of left regulation spring (5) one end, described left regulation spring (5) other end is fixedly mounted on left C-shaped jaws (3) medial wall, and described left intermediate plate (6) upper end is fixed with left C-shaped jaws (3) upper end
;
Described right clamping device includes the right regulation spring (7) being fixedly mounted in described right C-shaped jaws (4) and is fixedly mounted on the right clamping piece (8) of right regulation spring (7) one end, described right regulation spring (7) other end is fixedly mounted on right C-shaped jaws (4) medial wall, and described right clamping piece (8) upper end is fixed with right C-shaped jaws (4) upper end.
A kind of Dielectric Test of Transformer termination the most according to claim 1 and 2, it is characterised in that described locking device includes column locker (11) and the left locking bail (13) being separately mounted to locker (11) both sides, lower end and right locking bail (14);
Described locking rope includes left locking rope (12-1) and right locking rope (12-2), one end of described left locking rope (12-1) is fixing with locker (11) side to be connected, and described right locking rope (12-2) side is fixing with locker (11) opposite side to be connected;
Described retainer ring includes left retainer ring (15) and right retainer ring (16), and described left retainer ring (15) is corresponding with described left locking bail (13), and described right retainer ring (16) is corresponding with described right locking bail (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610368807.XA CN105954545B (en) | 2016-05-30 | 2016-05-30 | A kind of Dielectric Test of Transformer termination |
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CN201610368807.XA CN105954545B (en) | 2016-05-30 | 2016-05-30 | A kind of Dielectric Test of Transformer termination |
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CN105954545A true CN105954545A (en) | 2016-09-21 |
CN105954545B CN105954545B (en) | 2018-03-02 |
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CN201610368807.XA Active CN105954545B (en) | 2016-05-30 | 2016-05-30 | A kind of Dielectric Test of Transformer termination |
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Cited By (1)
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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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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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