CN203688640U - Drainage apparatus for end screen microcurrent of combined current and voltage transformer on overhead framework - Google Patents
Drainage apparatus for end screen microcurrent of combined current and voltage transformer on overhead framework Download PDFInfo
- Publication number
- CN203688640U CN203688640U CN201420060257.1U CN201420060257U CN203688640U CN 203688640 U CN203688640 U CN 203688640U CN 201420060257 U CN201420060257 U CN 201420060257U CN 203688640 U CN203688640 U CN 203688640U
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- bar
- insulation
- voltage transformer
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- collar
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Abstract
The utility model relates to a drainage apparatus for end screen microcurrent of a combined current and voltage transformer on an overhead framework. A test line is connected with a tail part of a conductive connecting rod using an alligator clip; an external force is applied to a grab handle; in the processing of pulling down an insulation inner rod, the conductive connecting rod and a conductive movable clamp mouth are driven by an insulation pull rod to do clockwise rotation around a first articulated shaft; the conductive movable clamp mouth and a conductive fixed clamp mouth are opened; an end screen of the combined current and voltage transformer on the overhead framework is disposed between the conductive movable clamp mouth and the conductive fixed clamp mouth, then the external force is removed; a fixed loop serves as a supporting point for a compressed pressure spring; a movable ring and the insulation inner rod are pushed upwardly; and as the insulation inner rod moves upwardly, the insulation pull rod drives the conductive connecting rod and the conductive movable clamp mouth to do counterclockwise rotation around the first articulated shaft. Thus, the conductive movable clamp mouth and the conductive fixed clamp mouth clamp the end screen of the combined current and voltage transformer tightly, and microcurrent of the end screen of the combined current and voltage transformer is guided in a dielectric loss tester.
Description
Technical field
The utility model relates to power equipment Work tool, more particularly, relates to the one micro-electric current drainage system of current-voltage transformer end shield on framework in midair.
Background technology
110kV and above current-voltage transformer are arranged in midair on framework, overhead have 3-5 rice high.When current-voltage transformer interruption maintenance, need to carry out ascend operation to complete medium loss test wiring and the work of taking out stitches by means of high-altitude operation vehicle.For completing a phase current voltage transformer (VT) dielectric loss test job, staff need to ascend a height respectively once up and down by high-altitude operation vehicle, the time of ascending a height occupies the percentage 80 of a test duration up and down, for prevent high-altitude operation vehicle cape and other charging equipment hypotelorisms or break current-voltage transformer porcelain bushing by mistake, high-altitude operation vehicle conventionally operation slowly, causes in midair on framework current-voltage transformer dielectric loss test job efficiency always very low.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of staff on the ground portable realization in midair on framework the micro-electric current of current-voltage transformer end shield measure function, improve current-voltage transformer dielectric loss test result accuracy, contribute to accurately to judge the micro-electric current drainage system of current-voltage transformer end shield on the framework in midair of current-voltage transformer built-in electrical insulation situation on framework in midair.
The technical solution of the utility model is as follows:
One is the micro-electric current drainage system of current-voltage transformer end shield on framework in midair, comprise insulating bar, the inner chamber hollow of insulating bar, the end face sealing of insulating bar, and be fixedly connected with one end of V-type web member, the other end of V-type web member is fixedly connected with disk side on one side, and the fixing jaw of conduction is fixedly connected with the side of disk another side;
Conduction activity jaw is fixedly connected with one end of conducting connecting bar, the junction of conduction activity jaw and conducting connecting bar is socketed on the first jointed shaft of disk, conducting connecting bar is used for being with moving conductive adjustable clamp mouth to rotate around the first jointed shaft, the tail end of conducting connecting bar is hinged by one end of the second jointed shaft and insulated tension pole, the other end of insulated tension pole penetrates in insulating bar by the opening of insulating bar sidewall, and is hinged with one end of the interior bar of insulation; In insulation, the bar other end passes loose collar, set collar successively, and is connected with drive link is vertical;
Loose collar is fixedly set on the interior bar outer surface of insulation, and set collar is fixedly mounted on insulating bar inwall, and set collar is below loose collar; Compression spring sleeve is contained on the interior rod outer surface of insulation between loose collar and set collar, and contact is pushed with loose collar and set collar respectively in stage clip two ends;
Drive link level passes across insulating bar, one end of drive link is hinged by the 3rd jointed shaft and fastener, and the other end of drive link is fixedly connected with lever, and fastener comprises L-type web member and clasp, clasp clip is contained on insulating bar outer surface, L-type web member and clasp Joint.
As preferably, conduct electricity and fix jaw be partly the provided with sawtooth that be meshed relative to conduction activity jaw.
As preferably, in insulation, bar is positioned on the axis of insulating bar.
As preferably, the center of loose collar and set collar all has circular hole, the circular hole of loose collar and the circular hole of set collar on same straight line, in insulation bar respectively through circular hole, the equal diameters of bar in circular hole size and insulation.
The beneficial effects of the utility model are as follows:
When the on-the-spot use of the utility model, afterbody by test wire with crocodile clip clamping connection conducting connecting bar, on lever, applying external force rotates drive link clockwise around the 3rd jointed shaft, drive the drop-down compression press spring energy storage of bar in insulation simultaneously, in insulation, in bar downdraw process, drive conducting connecting bar and conduction activity jaw to turn clockwise around the first jointed shaft by insulated tension pole, open the fixing jaw of conduction activity jaw and conduction, on framework, current-voltage transformer end shield is put between conduction activity jaw and the fixing jaw of conduction in midair, remove the external force on lever, compressed stage clip is take set collar as the strong point, promote on bar, to move in loose collar and insulation, in insulation, on bar, move past in journey and drive conducting connecting bar and conduction activity jaw to be rotated counterclockwise around the first jointed shaft by insulated tension pole, the end shield that makes the fixing jaw of conduction activity jaw and conduction sting tight current-voltage transformer, micro-electric current in current-voltage transformer end shield is by conduction activity jaw and the fixing jaw of conduction, conducting connecting bar, test wire flows in dielectric loss tester device.
The utility model is simple in structure, easy to operate, without climbing framework in midair, staff on the ground portable realization in midair on framework the micro-electric current of current-voltage transformer end shield measure function, improve current-voltage transformer dielectric loss test result accuracy, contribute to accurately to judge in midair current-voltage transformer built-in electrical insulation situation on framework.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: the 1st, insulating bar, the 2nd, V-type web member, the 3rd, disk, the 4th, the fixing jaw of conduction, the 5th, conduction activity jaw, 6 is first jointed shafts, the 7th, conducting connecting bar, 8 is second jointed shafts, the 9th, insulated tension pole, the 10th, opening, the 11st, bar in insulation, the 12nd, loose collar, the 13rd, set collar, the 14th, stage clip, the 15th, drive link, 16 is the 3rd jointed shafts, the 17th, fastener, the 171st, L-type web member, the 172nd, clasp, the 18th, lever.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, one is the micro-electric current drainage system of current-voltage transformer end shield on framework in midair, comprise insulating bar 1, the inner chamber hollow of insulating bar 1, the end face sealing of insulating bar 1, and be fixedly connected with one end of V-type web member 2, the other end of V-type web member 2 is fixedly connected with disk 3 side on one side, and the fixing jaw 4 of conduction is fixedly connected with the side of disk 3 another sides.
The center of loose collar 12 and set collar 13 all has circular hole, and the circular hole of the circular hole of loose collar 12 and set collar 13 is on same straight line, and in insulation, bar 11 passes respectively circular hole, the equal diameters of bar 11 in circular hole size and insulation.
The fixing jaw 4 of conduction is relative with conduction activity jaw 5 is partly provided with the sawtooth being meshed, and can effectively pierce through the oxide film on current-voltage transformer end shield surface on framework in midair.
Above-described embodiment is only for the utility model is described, and not with the restriction of the present utility model of opposing.As long as according to technical spirit of the present utility model, to above-described embodiment change, modification etc. all will drop in the scope of claim of the present utility model.
Claims (4)
1. the micro-electric current drainage system of current-voltage transformer end shield on framework in midair, it is characterized in that, comprise insulating bar, the inner chamber hollow of insulating bar, the end face sealing of insulating bar, and be fixedly connected with one end of V-type web member, the other end of V-type web member is fixedly connected with disk side on one side, and the fixing jaw of conduction is fixedly connected with the side of disk another side;
Conduction activity jaw is fixedly connected with one end of conducting connecting bar, the junction of conduction activity jaw and conducting connecting bar is socketed on the first jointed shaft of disk, conducting connecting bar is used for being with moving conductive adjustable clamp mouth to rotate around the first jointed shaft, the tail end of conducting connecting bar is hinged by one end of the second jointed shaft and insulated tension pole, the other end of insulated tension pole penetrates in insulating bar by the opening of insulating bar sidewall, and is hinged with one end of the interior bar of insulation; In insulation, the bar other end passes loose collar, set collar successively, and is connected with drive link is vertical;
Loose collar is fixedly set on the interior bar outer surface of insulation, and set collar is fixedly mounted on insulating bar inwall, and set collar is below loose collar; Compression spring sleeve is contained on the interior rod outer surface of insulation between loose collar and set collar, and contact is pushed with loose collar and set collar respectively in stage clip two ends;
Drive link level passes across insulating bar, one end of drive link is hinged by the 3rd jointed shaft and fastener, and the other end of drive link is fixedly connected with lever, and fastener comprises L-type web member and clasp, clasp clip is contained on insulating bar outer surface, L-type web member and clasp Joint.
2. the micro-electric current drainage system of current-voltage transformer end shield on framework in midair according to claim 1, is characterized in that, the fixing jaw of conduction part relative to conduction activity jaw is provided with the sawtooth being meshed.
3. the micro-electric current drainage system of current-voltage transformer end shield on framework in midair according to claim 2, is characterized in that, in insulation, bar is positioned on the axis of insulating bar.
4. the micro-electric current drainage system of current-voltage transformer end shield on framework in midair according to claim 3, it is characterized in that, the center of loose collar and set collar all has circular hole, the circular hole of loose collar and the circular hole of set collar are on same straight line, in insulation, bar passes respectively circular hole, the equal diameters of bar in circular hole size and insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060257.1U CN203688640U (en) | 2014-02-10 | 2014-02-10 | Drainage apparatus for end screen microcurrent of combined current and voltage transformer on overhead framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060257.1U CN203688640U (en) | 2014-02-10 | 2014-02-10 | Drainage apparatus for end screen microcurrent of combined current and voltage transformer on overhead framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203688640U true CN203688640U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420060257.1U Expired - Fee Related CN203688640U (en) | 2014-02-10 | 2014-02-10 | Drainage apparatus for end screen microcurrent of combined current and voltage transformer on overhead framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203688640U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994457A (en) * | 2019-12-19 | 2020-04-10 | 国家电网有限公司 | Automatic locking device |
| CN112664772A (en) * | 2020-12-16 | 2021-04-16 | 河北化工医药职业技术学院 | Computer software technology development equipment |
-
2014
- 2014-02-10 CN CN201420060257.1U patent/CN203688640U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994457A (en) * | 2019-12-19 | 2020-04-10 | 国家电网有限公司 | Automatic locking device |
| CN112664772A (en) * | 2020-12-16 | 2021-04-16 | 河北化工医药职业技术学院 | Computer software technology development equipment |
| CN112664772B (en) * | 2020-12-16 | 2022-09-16 | 河北化工医药职业技术学院 | Computer software technology development equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20220210 |