CN204947107U - Lightning protection grounding body connecting device - Google Patents
Lightning protection grounding body connecting device Download PDFInfo
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- CN204947107U CN204947107U CN201520652450.9U CN201520652450U CN204947107U CN 204947107 U CN204947107 U CN 204947107U CN 201520652450 U CN201520652450 U CN 201520652450U CN 204947107 U CN204947107 U CN 204947107U
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- Prior art keywords
- base
- connected node
- lightning
- top cover
- grounding body
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 46
- 239000010439 graphite Substances 0.000 claims abstract description 46
- 230000006978 adaptation Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
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- Cable Accessories (AREA)
Abstract
The utility model discloses a lightning protection grounding body connecting device for the connected node of the main ground net of constituteing by the graphite cable of adaptation connection is with reinforcing connected node's joint strength, include: the base is a hollow cavity with an opening at the top, and through holes communicated with the cavity are formed in the two opposite ends of the base and are oval; a top cover capable of being securely mounted over the opening of the base, the top cover comprising: the pressing block extends from one side of the cover plate and is used for pressing and connecting the nodes; and a backstop, wherein: the top cover covers the opening end of the base, and the retaining piece fastens the pressing block on two opposite side walls of the base. By implementing the lightning protection grounding body connecting device of the utility model, the connecting strength of the connecting nodes of the grounding net mainly composed of graphite cables can be effectively enhanced, and the service life of the graphite cable grounding net can be prolonged; the structure is simple, the construction is convenient, and the cost is easy to control.
Description
Technical field
The utility model relates to lightning protection field, particularly relates to the connector of the graphite cable earthing material that a kind of power system transmission line tower grounding net and power plants and station ground network field are commonly used.
Background technology
Electric power lightning protection field adopts steel, copper metal material and galvanized steel usually, copper covers the earthing material of the coating alloy materials such as steel as electric power grounding grid.Because metal material is even decades in the running of reach the more than ten years, what be difficult to avoid suffers etching problem.Graphite cable earthing material is the novel grounded material risen recent years, efficiently solves the etching problem of metallic ground material, is widely used in electric power lightning protection field.Be different from the normal welding connected modes such as the electric welding of metallic ground material, gas welding and heat release weldering, graphite cable earthing material main composition composition is graphite, inorfil and synthetic fibers, and these nonmetallic materials cannot adopt normal welding mode to connect.
Operating experience shows, the ground network of graphite cable composition has comparatively stable electric, mechanics, anticorrosion, ageing resistace, and each earth electrode connected node of ground network often mechanical property is more weak, be directly connected to the useful life of ground network.Therefore, the connector for graphite cable earthing material reliable design is significant for the maintenance whole ground network life-span.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of lightning-proof grounding body jockey, effectively strengthens the bonding strength of the connected node primarily of graphite cable composition ground network, can extend the useful life of graphite cable ground network; Simple structure, easy construction, be easy to control cost.
In order to solve the problems of the technologies described above, embodiment of the present utility model provides a kind of lightning-proof grounding body jockey, the connected node of the ground network formed primarily of graphite cable is connected to strengthen the bonding strength of connected node in order to adaptation, comprise: base, base is the hollow cavity that top is provided with opening, the opposite end of base is provided with the through hole being communicated with cavity, through hole ovalize; Fasteningly can be arranged on the top cover on the opening of base, top cover comprises: the briquetting in order to press connected node that cover plate and the side from cover plate are extended; And retaining part, wherein: top cover lid is pressed in the openend of base, the fastening briquetting of retaining part is in the two lateral walls of base.
Wherein, the connected node of ground network comprises: the arbitrary connected node in the connected node that the connected node that the connected node that downlead is connected with horizontal grounding objects, many horizontal grounding objects are connected, horizontal grounding objects are connected with Grounding Grids and the connected node that graphite cable earth electrode is connected with other earth electrode or multiple connected node.
Wherein, base is cubic, and the wall thickness dimension of base is more than or equal to 8mm.
Wherein, throughly in the two opposite side walls of base offer central axis the first pilot hole on the same line, in the two opposite side walls of briquetting through offer central axis on the same line and position can be suitable with the first pilot hole the second pilot hole, wherein: retaining part can be each passed through the first pilot hole and top cover is fastened on base by the second pilot hole.
Wherein, retaining part is single ended bolt, single head screw or single head stud; The outside of retaining part is coated with resin bed and/or rapid curing rubber layer.
Wherein, base and top cover are made up of epoxy resin, fiberglass or polytetrafluoroethylmaterial material.
Wherein, the greatest diametrical dimension of through hole is less than the size of one or more graphite cable diameter summation.
Wherein, the length dimension of briquetting is less than the length dimension of cavity, and the width dimensions of briquetting equals the width dimensions of cavity.
Lightning-proof grounding body jockey provided by the utility model, has following beneficial effect:
First, this lightning-proof grounding body jockey is formed primarily of base, top cover and retaining part, and it adaptively can connect the connected node of the ground network primarily of graphite cable composition, and can strengthen the bonding strength of connected node, possesses certain ageing resistace, reusable edible.
Second, use under arbitrary connected node in the connected node that the connected node that the connected node that can be connected with horizontal grounding objects at downlead, many horizontal grounding objects are connected, horizontal grounding objects are connected with Grounding Grids and the connected node that graphite cable earth electrode is connected with other earth electrode or the operating mode of multiple connected node, the connection of graphite cable earth electrode of different-diameter, varying number can be applicable to, wide adaptability.
3rd, simple structure, connect reliable, easy construction; Easy processing preparation, transport and recovery, and cost is controlled.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment lightning-proof grounding body jockey base.
Fig. 2 is the structural representation of the utility model embodiment lightning-proof grounding body jockey top cover.
Fig. 3 is the structural representation of the retaining part of the utility model embodiment lightning-proof grounding body jockey.
Fig. 4 is the utility model embodiment lightning-proof grounding body jockey top cover structural representation of being connected suitable with base.
Fig. 5 is the side-looking structural representation that two graphite cable horizontal grounding objects installed by the utility model embodiment lightning-proof grounding body jockey.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Fig. 1-Fig. 5, it is the embodiment one of the utility model lightning-proof grounding body jockey.
Lightning-proof grounding body jockey in the present embodiment, the connected node connecting the ground network formed primarily of graphite cable in order to adaptation, to strengthen the bonding strength of connected node, comprising:
Base 1, base 1 is provided with the hollow cavity of opening 11 for top, and opposite end 1a, 1b of base 1 are provided with the through hole 13 being communicated with cavity 12, through hole 13 ovalize, on the same line, it is convenient to assembling and the installation of many graphite cable horizontal grounding objects to the central axis of two through holes 13.In addition, through hole 13 is set to ellipse, it is conducive to the graphite cable assembling varying number, is unlikely to produce larger gap after assembling graphite cable, causes contact resistance too high.
During enforcement, base 1 is in cubic, and the wall thickness dimension of base is more than or equal to 8mm, and its effect ensures that ground connecting device has good intensity.Be understandable that, base 1 can also be arranged to other common cavity body structure for connecting graphite cable connector, such as: column structure etc.
Further, throughly on the two opposite side walls 1c of base 1 central axis the first pilot hole 14 is on the same line offered.In the present embodiment, the first pilot hole 14 is divided into two groups totally four, and its effect is the assembly connection realizing base 1 and top cover 2.
Preferably, the greatest diametrical dimension of through hole 13 is less than the size of one or more graphite cable diameter summation.Its effect is: make graphite cable can intactly be closed by elliptical aperture 13 through after two ends elliptical aperture 13, make the cavity 12 of base 1 present closed state.In the present embodiment, the length of two ends elliptical aperture 13 be about two graphite cable diameter sums 80% ~ 90% between.
Top cover 2 can fasteningly be arranged on the opening 11 of base 1, and in the present embodiment, top cover 2 comprises: the briquetting 22 in order to press connected node that cover plate 21 and the side from cover plate 21 are extended.Wherein: cover plate 21 is in tabular, and the size dimension of its size and base 1 openend 11 is suitable, and after both assemblings, cover plate 21 just can cover on the opening 11 of base 1.Briquetting 22, in block, mainly plays the effect of the graphite cable covered in jockey.
Preferably, the length dimension of briquetting 22 is less than the length dimension of cavity 12, and the width dimensions of briquetting 22 equals the width dimensions of cavity 12.The effect of setting like this is: when top cover 2 is assemblied on base 1, and cavity 12 two ends still can retain two parts cavity.That is, after assembling, graphite cable earth electrode is not pushed down by top cover 2 at two cavity places, and the laciniation that entirety presents " high-low-high-low-high-low-high ", greatly strengthens the overall tensile strength of jockey.In the present embodiment, the length dimension of briquetting 22 is 80% of base 1 cavity 12 length dimension, and the width dimensions of briquetting 22 is identical with the width dimensions of cavity 12.
In the present embodiment, the height of briquetting 22 can according to earth electrode diameter and number of connection reasonable set, and the connection that the part that makes to continue meets the graphite cable earth electrode of different size and quantity uses.In addition, also can fix the height of briquetting 22, in the specific implementation, together be placed in the cavity 12 of base 1 after selecting the plate body of other different-thickness to coordinate with briquetting 22, realize height adjusting function.
Further, on the two opposite side walls 2c of briquetting 22 through offer central axis the second pilot hole 23, second pilot hole 23 on the same line position and the position of the first pilot hole 14 suitable, the second pilot hole 23 is set to two groups.During concrete enforcement, when on the opening 11 that top cover 2 is seated in base 1, one group of first pilot hole 14 wherein and the position of group the second pilot hole 23 of are wherein adaptive correspondingly to be overlapped, that is, the central axis of four pilot holes on the same line, for assembling.
Preferably, for ensureing that jockey has reliably connection performance under different soil, base 1 and top cover 2 are resistant material on Material selec-tion: prioritizing selection stainless steel, aluminium alloy etc., also can select Steel material and carry out zinc-plated, copper plating treatment after shaping.Alternatively nonmetal shaping scheme, base 1 and top cover 2 also can adopt the synthetic material that plastics, resin and other ageing resistances are good, prioritizing selection epoxy resin, fiberglass and polytetrafluoroethylmaterial material.
Retaining part 3 can be each passed through the first pilot hole 14 and top cover 2 is fastened on base 1 by the second pilot hole 23.Particularly, when on the openend 11 that top cover 2 lid is pressed in base 1, retaining part 3 can fastening briquetting 22 on the two lateral walls 1c of base 1.
During concrete enforcement, retaining part 3 can be double threaded screw fitted bolt, can be also the multiple implementations such as single ended bolt, single head screw, single head stud (base wall opens screw thread) or other cylinder pin, not limit.
Preferably, can, at the resin-coated layer in the outside of retaining part 3, rapid curing rubber layer or underwater paint etc., can certainly be the combination of multiple above-mentioned coating.So arranging can enhanced leaktightness further, strengthens the bonding strength of retaining part 3.
Further, the connected node that lightning-proof grounding body jockey of the present utility model can carry out the ground network applied comprises: the arbitrary connected node in the connected node that the connected node that the connected node that downlead is connected with horizontal grounding objects, many horizontal grounding objects are connected, horizontal grounding objects are connected with Grounding Grids and the connected node that graphite cable earth electrode is connected with other earth electrode or multiple connected node, the connection of graphite cable earth electrode of different-diameter, varying number can be applicable to, wide adaptability.
The invention also discloses a kind of lightning protection method of attachment using above-mentioned lightning-proof grounding body jockey, comprise the following steps:
Two graphite cables T1, T2 are each passed through the oval through hole 13 of base 1 opposite end, the size being positioned at the through hole 13 wherein end M of the graphite cable of outside, side is greater than 5cm, make to be positioned at the graphite cable T1 of through hole 13 wherein outside, side to meet, the resistor satisfied preset requirement of the connected node of T2 position.In the present embodiment, the resistance being positioned at the through hole 13 wherein graphite cable-end portion M position connected node of outside, side is 3.2m Ω.
Pressing graphite cable T1, T2 in the cavity 12 making it be seated in base 1 completely, during enforcement, because graphite cable T1, T2 have stronger plasticity, can artificially suitably flatten, so that follow-up assembling during through hole 13 through base 1.
Use the graphite cable T1 in the briquetting 22 precompressed cavity 12 of top cover 2, T2, make graphite cable T1, T2 is flat;
Crystalline graphite powder is poured in the cavity 12 of base 1 in order to fill the gap in cavity 12, preferably, the phosphorus content of crystalline graphite powder should higher than 90%, to ensure the mechanical property of tie point, and the contact resistance of tie point can be reduced further, meet actual requirement of engineering.
Retaining part 3 is each passed through the second pilot hole 23 on the first pilot hole 14 on base 1 and briquetting 22 and is fastened on base 1 by top cover 2.After base 1 and top cover 2 assemble, because the two ends of the cavity 12 of base 1 still retain two parts cavity.Article two, graphite cable earth electrode is not pushed down by top cover 2 at two cavity places, and the laciniation that entirety presents " high-low-high-low-high-low-high ", greatly strengthens the overall tensile strength of jockey.
Lightning-proof grounding body jockey of the present utility model, has following beneficial effect:
First, this lightning-proof grounding body jockey is formed primarily of base, top cover and retaining part, and it adaptively can connect the connected node of the ground network primarily of graphite cable composition, and can strengthen the bonding strength of connected node, possesses certain ageing resistace, reusable edible.
Second, use under arbitrary connected node in the connected node that the connected node that the connected node that can be connected with horizontal grounding objects at downlead, many horizontal grounding objects are connected, horizontal grounding objects are connected with Grounding Grids and the connected node that graphite cable earth electrode is connected with other earth electrode or the operating mode of multiple connected node, the connection of graphite cable earth electrode of different-diameter, varying number can be applicable to, wide adaptability.
3rd, simple structure, connect reliable, easy construction; Easy processing preparation, transport and recovery, and cost is controlled.
Claims (8)
1. a lightning-proof grounding body jockey, the connected node connecting the ground network formed primarily of graphite cable in order to adaptation, to strengthen the bonding strength of described connected node, is characterized in that, comprising:
Base, described base is the hollow cavity that top is provided with opening, and the opposite end of described base is provided with the through hole being communicated with described cavity, described through hole ovalize;
Fasteningly can be arranged on the top cover on the described opening of described base, described top cover comprises: the briquetting in order to press connected node that cover plate and the side from described cover plate are extended; And
Retaining part, wherein: described top cover lid is pressed in the openend of described base, the fastening described briquetting of described retaining part is in the two lateral walls of described base.
2. lightning-proof grounding body jockey as claimed in claim 1, it is characterized in that, the connected node of described ground network comprises: the arbitrary connected node in the connected node that the connected node that the connected node that downlead is connected with horizontal grounding objects, many horizontal grounding objects are connected, horizontal grounding objects are connected with Grounding Grids and the connected node that graphite cable earth electrode is connected with other earth electrode or multiple connected node.
3. lightning-proof grounding body jockey as claimed in claim 1, it is characterized in that, described base is cubic, and the wall thickness dimension of described base is more than or equal to 8mm.
4. lightning-proof grounding body jockey as claimed in claim 1, it is characterized in that, throughly in the two opposite side walls of described base offer central axis the first pilot hole on the same line, in the two opposite side walls of described briquetting through offer central axis on the same line and position can be suitable with described first pilot hole the second pilot hole, wherein: described retaining part can be each passed through described first pilot hole and described top cover is fastened on described base by described second pilot hole.
5. lightning-proof grounding body jockey as claimed in claim 1, it is characterized in that, described retaining part is single ended bolt, single head screw or single head stud;
The outside of described retaining part is coated with resin bed and/or rapid curing rubber layer.
6. lightning-proof grounding body jockey as claimed in claim 1, it is characterized in that, described base and described top cover are made up of epoxy resin, fiberglass or polytetrafluoroethylmaterial material.
7. lightning-proof grounding body jockey as claimed in claim 1, it is characterized in that, the greatest diametrical dimension of described through hole is less than the size of one or more graphite cable diameter summation.
8. lightning-proof grounding body jockey as claimed in claim 1, it is characterized in that, the length dimension of described briquetting is less than the length dimension of described cavity, and the width dimensions of described briquetting equals the width dimensions of described cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652450.9U CN204947107U (en) | 2015-08-27 | 2015-08-27 | Lightning protection grounding body connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652450.9U CN204947107U (en) | 2015-08-27 | 2015-08-27 | Lightning protection grounding body connecting device |
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| Publication Number | Publication Date |
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| CN204947107U true CN204947107U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520652450.9U Active CN204947107U (en) | 2015-08-27 | 2015-08-27 | Lightning protection grounding body connecting device |
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| Country | Link |
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| CN (1) | CN204947107U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048121A (en) * | 2015-08-27 | 2015-11-11 | 深圳供电局有限公司 | Lightning protection grounding body connecting device and lightning protection grounding body connecting method |
| CN108598719A (en) * | 2018-05-01 | 2018-09-28 | 深圳供电局有限公司 | Three-layer crimping device |
-
2015
- 2015-08-27 CN CN201520652450.9U patent/CN204947107U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048121A (en) * | 2015-08-27 | 2015-11-11 | 深圳供电局有限公司 | Lightning protection grounding body connecting device and lightning protection grounding body connecting method |
| CN108598719A (en) * | 2018-05-01 | 2018-09-28 | 深圳供电局有限公司 | Three-layer crimping device |
| CN108598719B (en) * | 2018-05-01 | 2024-04-05 | 深圳供电局有限公司 | Three-layer crimping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191125 Address after: Luohu District Shenzhen Shennan Road 518000 No. 4020 Guangdong provincial power dispatching center building Patentee after: Shenzhen Power Supply Co.,Ltd. Address before: Luohu District Shenzhen Shennan Road 518000 No. 4020 Guangdong provincial power dispatching center building Co-patentee before: HENAN SHENGHUANG ELECTRIC POWER EQUIPMENT CO.,LTD. Patentee before: Shenzhen Power Supply Co.,Ltd. |
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| TR01 | Transfer of patent right |