CN204720368U - A kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link - Google Patents
A kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link Download PDFInfo
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- CN204720368U CN204720368U CN201520460838.9U CN201520460838U CN204720368U CN 204720368 U CN204720368 U CN 204720368U CN 201520460838 U CN201520460838 U CN 201520460838U CN 204720368 U CN204720368 U CN 204720368U
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- disconnecting link
- horizontal retractable
- crossbeam
- contact
- short circuit
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Abstract
The utility model provides a kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link, comprise three supports set gradually, the upper end of two supports in both sides is vertically provided with a porcelain insulator respectively, the upper end of two porcelain insulators of both sides is fixedly installed a horizontal retractable disconnecting link respectively, the upper end of middle support is fixedly installed crossbeam, crossbeam is horizontally disposed with along the arragement direction of three supports, the two ends of crossbeam are vertically fixed with a porcelain insulator respectively, the upper end of the porcelain insulator at crossbeam two ends is fixedly installed disconnecting link contact fishplate bar respectively, when two horizontal retractable disconnecting links trail, the contact end of two horizontal retractable disconnecting links is electrically connected with the disconnecting link contact fishplate bar of corresponding beam-end respectively, need redesign conductive arm length on conventional knives gate foot when reality uses to solve existing fixed contact isolation switch altogether, add construction investment, and extend the problem in engineering construction cycle.The utility model belongs to circuit debugging field.
Description
Technical field
The utility model relates to a kind of ice-melt short circuit disconnecting link, belongs to power circuit ice-melt field.
Background technology
Ice damage is the large technical barrier that electric power system industrial quarters does one's utmost to tackle always.In recent years, along with the change of global climate condition, low temperature sleet and snow ice weather frequently occurs in south China, Central China and North China, repeatedly causes each province of China transmission line large area, stops transport for a long time, bring about great losses to national economy and people's lives.In order to prevent the generation of this type of accident, China actively develops the research of transmission line de-icing technology, have developed DC de-icing device, and is progressively applied in China's grid power transmission circuit.When using DC de-icing device to carry out ice-melt, DC ice-melting end need be carried out three-phase short circuit, the short circuit method adopted at first, mainly when ice-melt, is undertaken by the mode of artificial short circuit, this kind of method not only length consuming time, and operating risk is high.Follow-uply design again special common fixed contact isolation switch, this isolation switch is subject to road restriction in Substation Station, and former traditional disconnecting link conductive arm length is inadequate, need redesign, and will pass through type approval test for situation in station to conductive arm length.Add construction investment, and extend the construction period of engineering.
Summary of the invention
The purpose of this utility model is: provide a kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link, need redesign conductive arm length on conventional knives gate foot when reality uses to solve existing fixed contact isolation switch altogether, add construction investment, and extend the problem in engineering construction cycle.
Scheme of the present utility model is as follows: a kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link, comprise three supports set gradually, the upper end of two supports in both sides is vertically provided with a porcelain insulator respectively, the upper end of two porcelain insulators of both sides is fixedly installed a horizontal retractable disconnecting link respectively, the upper end of middle support 1 is fixedly installed crossbeam, crossbeam is horizontally disposed with along the arragement direction of three supports, the two ends of crossbeam are vertically fixed with a porcelain insulator respectively, the upper end of the porcelain insulator at crossbeam two ends is fixedly installed disconnecting link contact fishplate bar respectively, when two horizontal retractable disconnecting links trail, the contact end of two horizontal retractable disconnecting links is electrically connected with the disconnecting link contact fishplate bar of corresponding beam-end respectively,
Preferably, two horizontal retractable disconnecting links are connected to electric driving mechanism;
Preferably, the upper end of four porcelain insulators is provided with terminal block respectively, and each terminal block is electrically connected with the horizontal retractable disconnecting link on this terminal block place porcelain insulator or disconnecting link contact fishplate bar respectively, terminal block corresponding on three supports is connected with A, B, C triple line respectively;
Preferably, two disconnecting link contact fishplate bars or the terminal block corresponding to two disconnecting link contact fishplate bars are connected by shorting stub;
Preferably, two disconnecting link contact fishplate bars are all detachably fixed on porcelain insulator;
The utility model compared with prior art, major advantage arranges two disconnecting link contact fishplate bars, two horizontal retractable disconnecting links contact with one of them disconnecting link contact fishplate bar respectively and connect, and add crossbeam, increase horizontal span, be convenient to the relative position carrying out adjustment two disconnecting link contact fishplate bars according to the horizontal span demand of reality, ensure that horizontal retractable disconnecting link all can perfectly close a floodgate, thus ensure line short circuit.
Accompanying drawing explanation
When Fig. 1 is separating brake, main TV structure schematic diagram of the present utility model;
When Fig. 2 is combined floodgate, main TV structure schematic diagram of the present utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below with reference to accompanying drawings the utility model is described in further detail,
Embodiment:
See figures.1.and.2, a kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link described in the present embodiment, comprise three supports 1 set gradually, the upper end of two supports 1 in both sides is vertically provided with a porcelain insulator 2 respectively, the upper end of two porcelain insulators 2 of both sides is fixedly installed a horizontal retractable disconnecting link 3 respectively, two horizontal retractable disconnecting links 3 are connected to electric driving mechanism 7, the upper end of middle support 1 is fixedly installed crossbeam 4, the length of crossbeam 4 can be transformed according to transformer station's actual demand, crossbeam 4 is horizontally disposed with along the arragement direction of three supports 1, the two ends of crossbeam 4 are vertically fixed with a porcelain insulator 2(two disconnecting link contact fishplate bars 5 respectively and are all detachably fixed on porcelain insulator 2), the upper end of the porcelain insulator 2 at crossbeam 4 two ends is fixedly installed disconnecting link contact fishplate bar 5 respectively, when two horizontal retractable disconnecting links 3 trail, the contact end of two horizontal retractable disconnecting links 3 is electrically connected with the disconnecting link contact fishplate bar 5 of corresponding crossbeam 4 end respectively, the upper end of four porcelain insulators 2 is provided with terminal block 6 respectively, and each terminal block 6 is electrically connected with the horizontal retractable disconnecting link 3 on this terminal block 6 place porcelain insulator 2 or disconnecting link contact fishplate bar 5 respectively, terminal block 6 corresponding to two disconnecting link contact fishplate bars 5 is connected by shorting stub 8.
Claims (5)
1. a two fixed contact horizontal retractable ice-melt short circuit disconnecting link, comprise three supports (1) set gradually, the upper end of two supports (1) in both sides is vertically provided with a porcelain insulator (2) respectively, the upper end of two porcelain insulators (2) of both sides is fixedly installed a horizontal retractable disconnecting link (3) respectively, it is characterized in that: the upper end of middle support (1) is fixedly installed crossbeam (4), crossbeam (4) is horizontally disposed with along the arragement direction of three supports (1), the two ends of crossbeam (4) are vertically fixed with a porcelain insulator (2) respectively, the upper end of the porcelain insulator (2) at crossbeam (4) two ends is fixedly installed disconnecting link contact fishplate bar (5) respectively, when two horizontal retractable disconnecting links (3) trail, the contact end of two horizontal retractable disconnecting links (3) is electrically connected with the disconnecting link contact fishplate bar (5) of corresponding crossbeam (4) end respectively.
2. a kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link according to claim 1, is characterized in that: two horizontal retractable disconnecting links (3) are connected to electric driving mechanism (7).
3. a kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link according to claim 1, it is characterized in that: the upper end of four porcelain insulators (2) is provided with terminal block (6) respectively, and each terminal block (6) is electrically connected with the horizontal retractable disconnecting link (3) on this terminal block (6) place porcelain insulator (2) or disconnecting link contact fishplate bar (5) respectively.
4. a kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link according to claim 3, is characterized in that: two disconnecting link contact fishplate bars (5) or the terminal block (6) corresponding to two disconnecting link contact fishplate bars (5) are connected by shorting stub (8).
5. a kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link according to claim 1, is characterized in that: two disconnecting link contact fishplate bars (5) are all detachably fixed on porcelain insulator (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460838.9U CN204720368U (en) | 2015-07-01 | 2015-07-01 | A kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460838.9U CN204720368U (en) | 2015-07-01 | 2015-07-01 | A kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204720368U true CN204720368U (en) | 2015-10-21 |
Family
ID=54319344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520460838.9U Active CN204720368U (en) | 2015-07-01 | 2015-07-01 | A kind of two fixed contact horizontal retractable ice-melt short circuit disconnecting link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204720368U (en) |
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2015
- 2015-07-01 CN CN201520460838.9U patent/CN204720368U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |