CN203351770U - Connection structure of combined grounding grid - Google Patents
Connection structure of combined grounding grid Download PDFInfo
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- CN203351770U CN203351770U CN 201320324703 CN201320324703U CN203351770U CN 203351770 U CN203351770 U CN 203351770U CN 201320324703 CN201320324703 CN 201320324703 CN 201320324703 U CN201320324703 U CN 201320324703U CN 203351770 U CN203351770 U CN 203351770U
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- twisted wire
- ground network
- steel
- wire
- band steel
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Abstract
The utility model relates to a connection structure of a combined grounding grid. The connection structure comprises a flat steel II (2), a copper rod (4) and a stranded wire II (6), wherein the above-mentioned three parts are successively in series connection and welded together. The flat steel II (2) is provided with a stranded wire I (5). The stranded wire I (5) is fixed on the flat steel I (2) through a wire pierced head I (3) to form a U-shaped structure with an opening facing the copper rod (4). Extension line of the stranded wire I (5) is clamped jointly with and fixedly connected with the stranded wire II through a wire pierced head II (7). The flat steel II (2) is connected with a shore grounding grid (9). The other end of the stranded wire II (6) is connected with an underwater grounding grid (10). The connection structure needs no overmuch construction cost, is firm in connection, safe and reliable.
Description
Technical field
The utility model relates to the syndeton of the ground network of using in power station, relates in particular to the syndeton that is applicable to hydroelectric station combination ground network.
Background technology
In ground network construction, when hydroelectric station ground network especially is installed, couple together ground network on the bank and the ground network in water, form whole hydroelectric station combination ground network; Yet how ground network on the bank is connected with ground network in water (heavy river ground network), and how connects firmly, do not disconnect, guarantee the reliability of whole ground network, is to be badly in need of the technical problem solved in the ground network construction.In the prior art, usually just use wire that two parts are coupled together, but this sample loading mode also often occur that connecting wire becomes flexible, disconnects and reduction ground network security reliability.Therefore, be badly in need of a kind of syndeton of the combination ground network be connected firmly on market.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provide without increasing too much construction cost, can firmly connect again, and the syndeton of safe and reliable combination ground network, make the ground network on the bank in hydroelectric station and heavy river ground network form reliable connection.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of syndeton that combines ground network is characterized in that: this syndeton comprises band steel II, copper rod and the twisted wire II that series welding successively is connected together; Described band steel II is provided with twisted wire I, and twisted wire I pricks an I by steel wire, and to be fixed on band steel I upper, and forms U-shaped structure and opening towards copper rod; The line stretcher of described twisted wire I is pricked an II by steel wire and is clipped together and be fixedly connected with twisted wire II; Described band steel II is connected with ground network on the bank, and the other end of described twisted wire II is connected with ground network in water.
As further illustrating of the present utility model, above-described copper rod is connected by fiery melting welding contact with twisted wire II intersection.Copper rod and twisted wire II intersection adopt fiery fusion welding mode to carry out firm welding, thereby form fiery melting welding contact.
As further illustrating of the present utility model, above-described ground network on the bank is provided with band steel I, and described band steel II and band steel I weld together.
As further illustrating of the present utility model, above-described twisted wire I is the stainless steel twisted wire; Described twisted wire II is the copper covered steel twisted wire.
In the technical solution of the utility model, the end of band steel II and copper rod firm welding, copper rod the other end adopt fiery fusion welding mode firm welding with the copper covered steel twisted wire again, form fiery melting welding contact, fiery fusion welding strengthens its fastness than conventional welding.Yet because final purpose of the present utility model is to be connected ground network on the bank with ground network in water, and in water, ground network is heavy river, apply very large pulling force can to ground network on the bank, syndeton between the two only relies on pad fixedly to be easy to disconnect, in order further to strengthen again the fastness of its its connection, the technical solution of the utility model is further perfect, weld respectively a steel wire on the pad both sides of band steel II and copper rod and prick an I, prick an I through two steel wires respectively with a stainless steel twisted wire again, opening forms U-shaped structure towards the copper rod direction, the line stretcher of stainless steel twisted wire and copper covered steel twisted wire one are reinstated a steel wire bundle II and are fixed, in the time of fixedly, the stainless steel twisted wire can not be fully stretching, need reserved certain length, to increase the pliability stretched, prevent from breaking.The reverse pulling force of stainless steel twisted wire has been shared ground network in water and has been applied to the pulling force on structure soldering point, has reinforced ground network on the bank and has been connected with the good of ground network in water, guarantees the integrally-built reliability of ground network; The other end of last band steel II is connected with ground network on the bank, and the other end of copper covered steel twisted wire is connected with ground network in water, the whole lightning protection grounding network in formation hydroelectric station.
Compared with prior art, the beneficial effect that the utility model possesses:
Simple in structure, construction cost is low and safe and reliable.The utility model couples together ground network and heavy river ground network on the bank effectively, forms the whole lightning protection grounding network in hydroelectric station, guarantees the lightning protection effect; Steel plate, overcome the disconnection that causes syndeton due to the gravity of heavy river ground network, strengthens the reliability of whole lightning protection grounding network.
The accompanying drawing explanation
Fig. 1 is that the master of syndeton of the present utility model looks schematic diagram.
Fig. 2 is the elevational schematic view of syndeton of the present utility model.
Reference numeral:
1-band steel I, 2-band steel II, the 3-steel wire is pricked an I, the 4-copper rod, 5-twisted wire I, 6-twisted wire II, the 7-steel wire is pricked an II, 8-fire melting welding contact, 9-is ground network on the bank, ground network in 10-water.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment 1:
As shown in accompanying drawing 1-2, a kind of syndeton that combines ground network, this syndeton comprises band steel II 2, copper rod 4 and the twisted wire II 6 that series welding successively is connected together; Described band steel II 2 is provided with twisted wire I 5, and twisted wire I 5 pricks an I 3 by steel wire and is fixed on band steel II 2, and forms U-shaped structure and opening towards copper rod 4; The line stretcher of described twisted wire I 5 is pricked an II 7 by steel wire and is clipped together and be fixedly connected with twisted wire II; Described band steel II 2 is connected with ground network 9 on the bank, and the other end of described twisted wire II 6 is connected with ground network in water 10.Described copper rod 4 is connected by fiery melting welding contact 8 with twisted wire II 6 intersections.Described twisted wire I 5 is the stainless steel twisted wire; Described twisted wire II 6 is the copper covered steel twisted wire.
Embodiment 2:
The difference of the present embodiment and embodiment 1 is: described ground network on the bank 9 is provided with band steel I 1, and described band steel II 2 welds together with band steel I 1.
Claims (4)
1. a syndeton that combines ground network, it is characterized in that: this syndeton comprises the band steel II(2 that series welding successively is connected together), copper rod (4) and twisted wire II(6); Described band steel II(2) be provided with twisted wire I(5), twisted wire I(5) prick an I(3 by steel wire) be fixed on band steel I(2) upper, and form U-shaped structure and opening towards copper rod (4); Described twisted wire I(5) line stretcher is pricked an II(7 by steel wire) clip together and be fixedly connected with twisted wire II; Described band steel II(2) other end be connected with ground network (9) on the bank, described twisted wire II(6) is connected with ground network in water (10).
2. the syndeton of combination ground network according to claim 1, is characterized in that: described copper rod (4) and twisted wire II(6) intersection is connected by fiery melting welding contact (8).
3. according to the syndeton of the arbitrary described combination ground network of claim 1 or 2, it is characterized in that: described ground network on the bank (9) is provided with band steel I(1), described band steel II(2) and band steel I(1) weld together.
4. the syndeton of combination ground network according to claim 3, is characterized in that: be described twisted wire I(5) the stainless steel twisted wire; Described twisted wire II(6) be the copper covered steel twisted wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320324703 CN203351770U (en) | 2013-06-06 | 2013-06-06 | Connection structure of combined grounding grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320324703 CN203351770U (en) | 2013-06-06 | 2013-06-06 | Connection structure of combined grounding grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203351770U true CN203351770U (en) | 2013-12-18 |
Family
ID=49751622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320324703 Expired - Fee Related CN203351770U (en) | 2013-06-06 | 2013-06-06 | Connection structure of combined grounding grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203351770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429034A (en) * | 2015-12-08 | 2016-03-23 | 上海电力设计院有限公司 | Grounding device of transformer substation containing inlet and outlet cables and mounting method thereof |
-
2013
- 2013-06-06 CN CN 201320324703 patent/CN203351770U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429034A (en) * | 2015-12-08 | 2016-03-23 | 上海电力设计院有限公司 | Grounding device of transformer substation containing inlet and outlet cables and mounting method thereof |
| CN105429034B (en) * | 2015-12-08 | 2017-05-24 | 上海电力设计院有限公司 | Grounding device of transformer substation containing inlet and outlet cables and mounting method thereof |
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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: 20131218 Termination date: 20200606 |