CN202855330U - Grounding cut-through ground wire for rail traffic - Google Patents
Grounding cut-through ground wire for rail traffic Download PDFInfo
- Publication number
- CN202855330U CN202855330U CN 201220456829 CN201220456829U CN202855330U CN 202855330 U CN202855330 U CN 202855330U CN 201220456829 CN201220456829 CN 201220456829 CN 201220456829 U CN201220456829 U CN 201220456829U CN 202855330 U CN202855330 U CN 202855330U
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- China
- Prior art keywords
- copper conductor
- ground wire
- layer
- copper
- conductor layer
- 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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Abstract
The utility model discloses a grounding cut-through ground wire for the rail traffic, which comprises a first copper conductor positioned at the center of the ground wire, and a copper conductor layer positioned on the outer surface thereof. The copper conductor layer consists of six second copper conductors twisted together on the outer surface of the first copper conductor. A stainless steel sheath layer is coated on the outer surface of the copper conductor layer. A metal filling layer served as fillings is arranged in gaps among the stainless steel sheath layer, the copper conductor layer and the first copper conductor. The twisting direction of the second copper conductors in the copper conductor layer is left-hand and the twisting pitch of the second copper conductors in the copper conductor layer is 10-20 times of the twisting diameter of the second copper conductor. According to the technical scheme of the utility model, the grounding cut-through ground wire is stronger in corrosion resistance performance and stable and reliable in conductive performance. Meanwhile, gaps among the stainless steel sheath layer and the twisted copper conductors are eliminated, so that the conductor oxidation phenomenon due to water flowing into the end surface of the cut-through ground wire is avoided. The corrosion resistance performance of the cut-through ground wire is improved. Therefore, the service life and the safety performance of products are improved.
Description
Technical field
The utility model relates to track traffic grounding system field, is specifically related to a kind of track traffic ground connection Through ground wire.
Background technology
The ground connection Through ground wire is a kind of earth cable that is applied to railway signal system, is the protective earth of system mask, lightning protection, electric equipment etc.The integrated ground Through ground wire can make each working point electromotive force of large-scale Railway Electric system substantially be consistent, make the system equipment grounding safety reliable, eliminated because the current potential unsymmetrical current that the potential difference between the distinct device causes has been realized the effective reliable protection to personnel and equipment.
The existing Through ground wire that is applied to the integrated ground of rail track mainly contains: lead sheath Through ground wire (or lead sheath sheath integrated ground cable); Aluminium (aluminium alloy) sheath run-through ground wire (or alloy sleeve integrated ground cable); Conductive plastic jacket Through ground wire (or conductive plastic jacket integrated ground cable), various types of Through ground wires, its transmission conductor is the fine copper stranded conductor, but the sheath of its stranded conductor is had nothing in common with each other, the Through ground wire of different sheaths, in use all existent defect and deficiency: the lead sheath Through ground wire is prohibited the pollution of environment country because of it, and progressively eliminates; Aluminium (aluminum alloy sheath) Through ground wire is relatively poor or its decay resistance existence uncertainty because of its decay resistance, can not satisfy application requirements; The conductive plastic jacket Through ground wire because of its sheath cracking, the burning of overcurrent sheath or aging, overcurrent after conductor temp .-elevating cause degradation defective under the plastic sheath electric conductivity, there is a series of hidden danger in system safety and stops using.
Summary of the invention
The utility model purpose provides a kind of track traffic ground connection Through ground wire, this ground connection Through ground wire has stronger decay resistance, reliable and stable electric conductivity, and eliminate the gap between stainless steel sheath and the twisted copper conductors, prevent the conductor oxidation that Through ground wire causes because of the end face water inlet, improved corrosive nature, thereby prolonged the life-span of product and improved security performance.
For achieving the above object, the technical solution adopted in the utility model is: a kind of track traffic ground connection Through ground wire, comprise: be positioned at first copper conductor and the copper conductor layer that is positioned at its outer surface at center, institute's copper conductor layer is comprised of 6 stranded the second copper conductors in the first copper conductor outer surface; One stainless steel sheath layer is coated on described copper conductor layer outer surface, and a metal filled layer as filler is positioned at described stainless steel sheath layer, copper conductor layer and the first copper conductor gap.
Further improve technical scheme in the technique scheme as follows:
1. in the such scheme, the direction of lay of the second copper conductor is left-hand in the described copper conductor layer.
2. in the such scheme, the twisting pitch of the second copper conductor is 10～20 times of its stranded diameter in the described copper conductor layer.
3. in the such scheme, the diameter of described the first copper conductor, the second copper conductor is 1.0～3.0mm.
Because technique scheme is used, the utility model compared with prior art has following advantages and effect:
When the ground connection Through ground wire is used in the utility model track traffic, it has stronger decay resistance, reliable and stable electric conductivity, and eliminate the gap between stainless steel sheath and the twisted copper conductors, prevent the conductor oxidation that Through ground wire causes because of the end face water inlet, improved corrosive nature, thereby prolonged the life-span of product and improved security performance.
Description of drawings
Accompanying drawing 1 is the utility model track traffic ground connection Through ground wire structural representation.
In the above accompanying drawing: 1, the first copper conductor; 2, copper conductor layer; 3, the second copper conductor; 4, stainless steel sheath layer; 5, metal filled layer.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment 1: a kind of track traffic ground connection Through ground wire comprises: be positioned at first copper conductor 1 and the copper conductor layer 2 that is positioned at its outer surface at center, institute's copper conductor layer 2 is comprised of 6 stranded the second copper conductors 3 in the first copper conductor 1 outer surface; One stainless steel sheath layer 4 is coated on described copper conductor layer 2 outer surface, and a metal filled layer 5 as filler is positioned at described stainless steel sheath layer 4, copper conductor layer 2 and the first copper conductor 1 gap.
The direction of lay of the second copper conductor 3 is left-hand in the above-mentioned copper conductor layer 2.
The twisting pitch of the second copper conductor 3 is 12 times of its stranded diameter in the above-mentioned copper conductor layer 2.
Embodiment 2: a kind of track traffic ground connection Through ground wire comprises: be positioned at first copper conductor 1 and the copper conductor layer 2 that is positioned at its outer surface at center, institute's copper conductor layer 2 is comprised of 6 stranded the second copper conductors 3 in the first copper conductor 1 outer surface; One stainless steel sheath layer 4 is coated on described copper conductor layer 2 outer surface, and a metal filled layer 5 as filler is positioned at described stainless steel sheath layer 4, copper conductor layer 2 and the first copper conductor 1 gap.
The direction of lay of the second copper conductor 3 is left-hand in the above-mentioned copper conductor layer 2.
The twisting pitch of the second copper conductor 3 is 18 times of its stranded diameter in the above-mentioned copper conductor layer 2.
The diameter of above-mentioned the first copper conductor 1, the second copper conductor 3 is 1.0～3.0mm.
Adopt the track traffic ground connection Through ground wire of above execution mode, it has stronger decay resistance, reliable and stable electric conductivity, and eliminate the gap between stainless steel sheath and the twisted copper conductors, prevent the conductor oxidation that Through ground wire causes because of the end face water inlet, improved corrosive nature, thereby prolonged the life-span of product and improved security performance.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed within the protection range of the present utility model.
Claims (4)
1. track traffic ground connection Through ground wire, it is characterized in that: comprising: be positioned at first copper conductor (1) at center and be positioned at the copper conductor layer (2) of its outer surface, institute's copper conductor layer (2) is comprised of 6 stranded the second copper conductors (3) in the first copper conductor (1) outer surface; One stainless steel sheath layer (4) is coated on described copper conductor layer (2) outer surface, and a metal filled layer (5) as filler is positioned at described stainless steel sheath layer (4), copper conductor layer (2) and the first copper conductor (1) gap.
2. ground connection Through ground wire according to claim 1, it is characterized in that: the direction of lay of the second copper conductor (3) is left-hand in the described copper conductor layer (2).
3. ground connection Through ground wire according to claim 1 and 2 is characterized in that: the twisting pitch of the second copper conductor (3) is 10～20 times of its stranded diameter in the described copper conductor layer (2).
4. ground connection Through ground wire according to claim 1 and 2, it is characterized in that: the diameter of described the first copper conductor (1), the second copper conductor (3) is 1.0～3.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220456829 CN202855330U (en) | 2012-09-10 | 2012-09-10 | Grounding cut-through ground wire for rail traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220456829 CN202855330U (en) | 2012-09-10 | 2012-09-10 | Grounding cut-through ground wire for rail traffic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855330U true CN202855330U (en) | 2013-04-03 |
Family
ID=47986501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220456829 Expired - Fee Related CN202855330U (en) | 2012-09-10 | 2012-09-10 | Grounding cut-through ground wire for rail traffic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855330U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157373A (en) * | 2014-07-08 | 2014-11-19 | 宁波容合电线有限公司 | Irregular compound cable twisting method |
| CN105513695A (en) * | 2015-12-16 | 2016-04-20 | 江苏亨通线缆科技有限公司 | Signal cable used for railroad locomotive |
| CN107945903A (en) * | 2016-10-13 | 2018-04-20 | 刘理文 | Conducting wire of composite conductive material |
-
2012
- 2012-09-10 CN CN 201220456829 patent/CN202855330U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157373A (en) * | 2014-07-08 | 2014-11-19 | 宁波容合电线有限公司 | Irregular compound cable twisting method |
| CN105513695A (en) * | 2015-12-16 | 2016-04-20 | 江苏亨通线缆科技有限公司 | Signal cable used for railroad locomotive |
| CN107945903A (en) * | 2016-10-13 | 2018-04-20 | 刘理文 | Conducting wire of composite conductive material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20130910 |