CN203672919U - Wiring clamp for breaker insulation resistance testing - Google Patents
Wiring clamp for breaker insulation resistance testing Download PDFInfo
- Publication number
- CN203672919U CN203672919U CN201420035590.7U CN201420035590U CN203672919U CN 203672919 U CN203672919 U CN 203672919U CN 201420035590 U CN201420035590 U CN 201420035590U CN 203672919 U CN203672919 U CN 203672919U
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- CN
- China
- Prior art keywords
- fixed
- fixed sleeving
- fixing sleeve
- travelling block
- pulley
- 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.)
- Expired - Fee Related
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- 238000009413 insulation Methods 0.000 title claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 210000000078 claw Anatomy 0.000 claims description 16
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
Provided is a wiring clamp for breaker insulation resistance testing. The wiring clamp includes a hollow insulation rod, a slide pipe, a fixing sleeve, a fixed pulley, a movable pulley, a return mechanism, a steel wire, and two clamp rods. The top end of an insulation rod is fixedly connected with the bottom end of the fixing sleeve, the bottom end of the insulation pipe is in sliding fit with the slide pipe, the fixed pulley is fixed in the top end of the fixing sleeve, a chute extending along the length direction is arranged on the fixing sleeve, the movable pulley is slidably arranged in the chute, the return mechanism is arranged in the fixing sleeve and is connected with the movable pulley, one end of each of the two clamp rods is fixedly connected with the fixed pulley and the movable pulley, the bottom end of the steel wire is fixedly connected with the slide pipe, the top end penetrates through the insulation rod and the fixing sleeve and winds on the fixed pulley and the movable pulley, and then is fixed at the top end of the fixing sleeve. The wiring clamp, being simple in structure and easy to operate and use, can complete the wiring work for breaker insulation resistance testing at the voltage level not less than 110kV without the need for high-attidude work, thereby improving the work efficiency and enhancing the safety coefficient of transformation maintenance on-site work.
Description
Technical field
The utility model relates to power equipment Work tool field, particularly a kind of isolating switch megger test jointing clamp that is applicable to 110kV above.
Background technology
Isolating switch is the important component part that transformer station completes electric pressure conversion and power delivery distribution, and isolating switch needs interruption maintenance working time after the time between overhauls(TBO) of regulation.Take into account the setting height(from bottom) of 110kV and above breaker body height and its base, the height of 110kV and the nearly 3-5 rice of above isolating switch high-pressure side wire clamp.For completing 110kV and above isolating switch megger test work, usually need to be by means of the work that connects, takes out stitches to complete of large-scale insulating ladder ascend operation, staff's ascend operation also needs the danger of tying-up securing band to prevent that eminence from dropping.If complete multiple 110kV and above isolating switch megger test work simultaneously, need ceaselessly to move back and forth large-scale insulating ladder, waste time and energy, cause test job inefficiency, and the tumble injury of easily dropping because of carelessness of the frequent upper and lower insulating ladder of staff.Therefore, development is a kind of simple in structure, and operation is used easily, and the isolating switch megger test jointing clamp that can complete 110kV and above isolating switch megger test wiring work without ascend operation has very important engineering practice meaning.
Utility model content
Fundamental purpose of the present utility model is to overcome above-mentioned defect of the prior art, proposes the isolating switch megger test jointing clamp of a kind of 110KV of being applicable to and above.
The utility model adopts following technical scheme:
A kind of isolating switch megger test jointing clamp, it is characterized in that: the insulating bar that comprises a hollow, one slip pipe, a fixed sleeving, a fixed pulley, a travelling block, a return mechanism, a steel wire and two claw beams, this insulating bar top is fixedly connected with fixed sleeving bottom, and insulation tube bottom and slip pipe are slidably matched; In this fixed sleeving top, be fixed with fixed pulley, fixed sleeving is provided with the chute extending along its length, and this travelling block is slidably arranged in chute; Return mechanism is arranged in fixed sleeving and is connected with travelling block; Two claw beam one end are fixedly linked with fixed pulley and travelling block respectively; This steel wire bottom is fixedly connected with slip pipe, top through insulating bar and fixed sleeving and be around in fixed pulley and travelling block on, then be fixed on fixed sleeving top.
Preferably, described return mechanism comprises a return wheel, a pulling-on piece and a volute spring, and this return wheel is fixed on fixed sleeving rotationally, and this pulling-on piece is connected between return wheel and travelling block, and this volute spring is sheathed on return wheel.
Preferably, on described fixed pulley, be also connected with the joint pin being electrically connected with corresponding claw beam.
Preferably, the interior angle that described claw beam and described fixed sleeving form is 75 °.
To description of the present utility model, compared with prior art, the utlity model has following beneficial effect from above-mentioned:
The utility model is simple in structure, and its two claw beam adopts travelling block labour-saving principle, makes to adopt less pulling force just can obtain larger folder power; Operation is used easily, can complete 110kV and above isolating switch megger test wiring work without ascend operation, has improved work efficiency, strengthens substation equipment maintenance and repair work on the spot safety coefficient.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model fixed sleeving schematic diagram;
Fig. 3 is the side view of the utility model fixed sleeving.
Embodiment
Below by embodiment, the utility model will be further described.
With reference to Fig. 1, Fig. 2, a kind of isolating switch megger test jointing clamp, comprises insulating bar 1, one slip pipe 2, a fixed sleeving 3, a fixed pulley 4, a travelling block 5, a return mechanism, a steel wire 6 and two claw beams 7 of a hollow.This insulating bar 1 top is fixedly connected with fixed sleeving 3, and bottom and slip pipe 2 are slidably matched.These fixed sleeving 3 tops are fixed with fixed pulley 4, and bottom is fixedly connected with insulating bar 1, and fixed sleeving 3 is provided with the chute 31 extending along its length, and this travelling block 5 is slidably arranged in chute 31.Return mechanism is arranged in fixed sleeving 3 and is connected with travelling block 5.Two claw beam 7 one end are fixedly linked with fixed pulley 4 and travelling block 5 respectively.These steel wire 6 bottoms are fixedly connected with slip pipe 2, top through insulating bar 1 and fixed sleeving 3 and be around in fixed pulley 4 and travelling block 5 on, then be fixed on fixed sleeving 3 tops.
Further, return mechanism comprises a return wheel 10, a pulling-on piece 8 and a volute spring 9, and this return wheel 10 is fixed on fixed sleeving 3 rotationally, and this pulling-on piece 8 is connected between return wheel 10 and travelling block 5, and this volute spring 9 is sheathed on return wheel 10.
Further, with reference to Fig. 3, on fixed pulley 4, be also connected with the joint pin 41 being electrically connected with corresponding claw beam 7.
Further, claw beam 7 is 75 ° with the interior angle that fixed sleeving 3 forms.
When the utility model uses at the scene, staff lifts insulating bar 1, the isolating switch high pressure side line of 110kV and above is put between two claw beams 7, drop-down slip pipe 2 drives steel wire 6 drop-down simultaneously, steel wire 6 drives travelling block 5 upwards near fixed pulley 4, until two claw beams 7 are tightly pushed down high pressure side line, now pulling-on piece 8 drives 10 rotations of return wheel to make volute spring 9 compressions hold power, completes the isolating switch megger test wiring step of 110kV and above.
Unclamp slip pipe 2, return wheel 10 turns round under the effect of volute spring 9, and pulling-on piece 8 drives travelling block 5 to move down, and two claw beams 7 unclamp high pressure side line, the isolating switch megger test that completes 110KV and the above step of taking out stitches.
The utility model is simple in structure, and operation is used easily, can complete 110kV and above isolating switch megger test wiring work without ascend operation, has improved work efficiency, strengthens substation equipment maintenance and repair work on the spot safety coefficient.
Above are only embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the utility model, all should belong to the behavior of invading the utility model protection domain.
Claims (4)
1. an isolating switch megger test jointing clamp, it is characterized in that: the insulating bar that comprises a hollow, one slip pipe, a fixed sleeving, a fixed pulley, a travelling block, a return mechanism, a steel wire and two claw beams, this insulating bar top is fixedly connected with fixed sleeving bottom, and insulation tube bottom and slip pipe are slidably matched; In this fixed sleeving top, be fixed with fixed pulley, fixed sleeving is provided with the chute extending along its length, and this travelling block is slidably arranged in chute; Return mechanism is arranged in fixed sleeving and is connected with travelling block; Two claw beam one end are fixedly linked with fixed pulley and travelling block respectively; This steel wire bottom is fixedly connected with slip pipe, top through insulating bar and fixed sleeving and be around in fixed pulley and travelling block on, then be fixed on fixed sleeving top.
2. a kind of isolating switch megger test jointing clamp as claimed in claim 1, it is characterized in that: described return mechanism comprises a return wheel, a pulling-on piece and a volute spring, this return wheel is fixed on fixed sleeving rotationally, this pulling-on piece is connected between return wheel and travelling block, and this volute spring is sheathed on return wheel.
3. a kind of isolating switch megger test jointing clamp as claimed in claim 1, is characterized in that: on described fixed pulley, be also connected with the joint pin with corresponding claw beam electrical connection.
4. a kind of isolating switch megger test jointing clamp as claimed in claim 1, is characterized in that: the interior angle that described claw beam and described fixed sleeving form is 75 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035590.7U CN203672919U (en) | 2014-01-20 | 2014-01-20 | Wiring clamp for breaker insulation resistance testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035590.7U CN203672919U (en) | 2014-01-20 | 2014-01-20 | Wiring clamp for breaker insulation resistance testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203672919U true CN203672919U (en) | 2014-06-25 |
Family
ID=50969199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420035590.7U Expired - Fee Related CN203672919U (en) | 2014-01-20 | 2014-01-20 | Wiring clamp for breaker insulation resistance testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203672919U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388362A (en) * | 2015-11-25 | 2016-03-09 | 国家电网公司 | Breaker switch direct current resistance measuring device |
| CN110940834A (en) * | 2019-11-29 | 2020-03-31 | 国网福建省电力有限公司检修分公司 | A quick wiring pincers for power equipment electrical test |
| CN111273063A (en) * | 2020-04-07 | 2020-06-12 | 广东电网有限责任公司 | Jointing clamp and circuit breaker testing device |
-
2014
- 2014-01-20 CN CN201420035590.7U patent/CN203672919U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388362A (en) * | 2015-11-25 | 2016-03-09 | 国家电网公司 | Breaker switch direct current resistance measuring device |
| CN110940834A (en) * | 2019-11-29 | 2020-03-31 | 国网福建省电力有限公司检修分公司 | A quick wiring pincers for power equipment electrical test |
| CN111273063A (en) * | 2020-04-07 | 2020-06-12 | 广东电网有限责任公司 | Jointing clamp and circuit breaker testing device |
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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: 20140625 Termination date: 20210120 |