CN202677933U - Rail transportation comprehensive grounding cable - Google Patents
Rail transportation comprehensive grounding cable Download PDFInfo
- Publication number
- CN202677933U CN202677933U CN 201220271438 CN201220271438U CN202677933U CN 202677933 U CN202677933 U CN 202677933U CN 201220271438 CN201220271438 CN 201220271438 CN 201220271438 U CN201220271438 U CN 201220271438U CN 202677933 U CN202677933 U CN 202677933U
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- Prior art keywords
- aluminium alloy
- alloy stranded
- conductor
- lead layer
- layer
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- Expired - Fee Related
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Abstract
The utility model discloses a rail transportation comprehensive grounding cable, comprising a round copper signal line. The surface of the round copper signal line is coated with a polyethylene layer; 6 first aluminum alloy stranded conductors are intertwisted at the surface of the round copper signal line to form a first grounding lead layer; 12 second aluminum alloy stranded conductors are intertwisted at the surface of the first grounding lead layer to form a second grounding lead layer; each of the first aluminum alloy stranded conductors and the second aluminum alloy stranded conductors is formed through the intertwist of 7 aluminum alloy conductors; and a conductive protective layer is coated on the surface of the second grounding lead layer. According to the utility model, a two-layer structure is employed, the electric power transmission capability of a rail transportation line grounding system is provided, simultaneously, the strength and hardness are raised, the mechanical physical properties are raised, and the material cost is greatly reduced.
Description
Technical field
The utility model relates to track traffic synthetic grounding system field, is specifically related to a kind of track traffic synthetic ground cable.
Background technology
Ground cable is a kind of integrated ground line that is applied to field of track traffic, is the protective earth of system mask, lightning protection, electric equipment etc.Through ground wire can make each working point electromotive force of electrical system of large-scale rail line 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.
Summary of the invention
The utility model purpose provides a kind of track traffic synthetic ground cable, this its adopt double-layer structure to possess the electric power transfer energy of rail line grounding system; Simultaneously, improve its intensity and hardness, improve its mechanical and physical performance, significantly reduce material cost.
For achieving the above object, the technical solution adopted in the utility model is: a kind of track traffic synthetic ground cable, comprise: be positioned at the round copper holding wire that the center is used for signal transmission, this circle copper holding wire surface is coated with polyethylene layer, 6 the first aluminium alloy stranded conductors are stranded in described round copper holding wire surface formation the first earth lead layer, and 12 the second aluminium alloy stranded conductors are stranded in described the first earth lead layer surface formation the second earth lead layer; Described the first aluminium alloy stranded conductor and the second aluminium alloy stranded conductor are by 7 stranded formation of aluminium alloy conductor;
One conduction sheath is coated on described the second earth lead layer surface.
It is as follows that technique scheme is further improved technical scheme:
1, in the such scheme, the diameter range of aluminium alloy conductor is in described the first aluminium alloy stranded conductor and the second aluminium alloy stranded conductor: Φ 0.10～Φ 4.0mm.
2, in the such scheme, the twisting pitch of described the first aluminium alloy stranded conductor is 6 times to 8 times of single aluminium alloy conductor diameter.With the twisting pitch of the second aluminium alloy stranded conductor be 8 times to 10 times of single aluminium alloy conductor diameter.
Because technique scheme is used, the utility model compared with prior art has following advantages and effect:
The utility model track traffic synthetic ground cable, it adopts double-layer structure to possess the functional characteristics of the electric power transfer of rail line grounding system, satisfies system's instructions for use; To be incorporated into same integrated ground cable for the round copper holding wire of signal transmission and aluminium alloy stranded conductor as ground connection, compare with prior art products, improve its intensity and hardness, improve its mechanical and physical performance, significantly reduce material cost, its product weight reduces by 70% compared with similar products, thereby significantly reduces transportation and construction cost; Secondly, the integrated ground cable adopts the twisting pitch of specific the first aluminium alloy stranded conductor and the second aluminium alloy stranded conductor, has improved the ability of its anti-extraneous external force damage, and has improved integrated ground cable flexibility.
Description of drawings
Accompanying drawing 2 is the utility model aluminium alloy stranded conductor structural representation;
Accompanying drawing 3 is the utility model track traffic synthetic ground cable structural representation.
In the above accompanying drawing: 1, justify the copper holding wire; 2, polyethylene layer; 3, the first aluminium alloy stranded conductor; 4, the first earth lead layer; 5, the second aluminium alloy stranded conductor; 6, the second earth lead layer; 7, aluminium alloy conductor; 8, conduction sheath.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment 1: a kind of track traffic synthetic ground cable, as shown in drawings, comprise: be positioned at the round copper holding wire 1 that the center is used for signal transmission, this circle copper holding wire 1 surface is coated with polyethylene layer 2,6 the first aluminium alloy stranded conductors 3 are stranded stranded in described the first earth lead layer 4 surface formation the second earth lead layers 6 in 4,12 the second aluminium alloy stranded conductor 5 of described round copper holding wire 1 surface formation the first earth lead layer; Described the first aluminium alloy stranded conductor 3 and the second aluminium alloy stranded conductor 5 are by the 7 stranded formation of 7 aluminium alloy conductors;
One conduction sheath 8 is coated on described the second earth lead layer 6 surface.
The diameter range of above-mentioned the first aluminium alloy stranded conductor 3 and the second aluminium alloy stranded conductor 5 is: Φ 0.10～Φ 4.0mm.
The twisting pitch of above-mentioned the first aluminium alloy stranded conductor 3 is 6 times to 8 times of single aluminium alloy wire diameter.The twisting pitch of the second aluminium alloy stranded conductor 5 is 8 times to 10 times of single aluminium alloy wire diameter.
Embodiment 2: a kind of track traffic synthetic ground cable, as shown in drawings, comprise: be positioned at the round copper holding wire 1 that the center is used for signal transmission, this circle copper holding wire 1 surface is coated with polyethylene layer 2,6 the first aluminium alloy stranded conductors 3 are stranded stranded in described the first earth lead layer 4 surface formation the second earth lead layers 6 in 4,12 the second aluminium alloy stranded conductor 5 of described round copper holding wire 1 surface formation the first earth lead layer; Described the first aluminium alloy stranded conductor 3 and the second aluminium alloy stranded conductor 5 are by the 7 stranded formation of 7 aluminium alloy conductors;
One conduction sheath 8 is coated on described the second earth lead layer 6 surface.
The twisting pitch of above-mentioned the first aluminium alloy stranded conductor 3 is 6 times to 8 times of single aluminium alloy wire diameter.The twisting pitch of the second aluminium alloy stranded conductor 5 is 8 times to 10 times of single aluminium alloy wire diameter.
When adopting above-mentioned track traffic synthetic ground cable, it adopts double-layer structure to possess the functional characteristics of the electric power transfer of rail line grounding system, satisfies system's instructions for use; To be incorporated into same integrated ground cable for the round copper holding wire of signal transmission and aluminium alloy stranded conductor as ground connection, compare with prior art products, improve its intensity and hardness, improve its mechanical and physical performance, significantly reduce material cost, its product weight reduces by 70% compared with similar products, thereby significantly reduces transportation and construction cost; Secondly, the integrated ground cable adopts the twisting pitch of specific the first aluminium alloy stranded conductor and the second aluminium alloy stranded conductor, has improved the ability of its anti-extraneous external force damage, and has improved integrated ground cable flexibility.
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 (3)
1. track traffic synthetic ground cable, it is characterized in that: comprising: be positioned at the round copper holding wire (1) that the center is used for signal transmission, this circle copper holding wire (1) surface is coated with polyethylene layer (2), 6 the first aluminium alloy stranded conductors (3) are stranded in described round copper holding wire (1) surface formation the first earth lead layer (4), and 12 the second aluminium alloy stranded conductors (5) are stranded in described the first earth lead layer (4) surface formation the second earth lead layer (6); Described the first aluminium alloy stranded conductor (3) and the second aluminium alloy stranded conductor (5) are by the stranded formation of 7 aluminium alloy conductors (7);
One conduction sheath (8) is coated on described the second earth lead layer (6) surface.
2. track traffic synthetic ground cable according to claim 1 is characterized in that: the diameter range of aluminium alloy conductor (7) is in described the first aluminium alloy stranded conductor (3) and the second aluminium alloy stranded conductor (5): Φ 0.10～Φ 4.0mm.
3. track traffic synthetic ground cable according to claim 1 and 2, it is characterized in that: the twisting pitch of described the first aluminium alloy stranded conductor (3) is 6 times to 8 times of single aluminium alloy conductor (7) diameter, and the twisting pitch of the second aluminium alloy stranded conductor (5) is 8 times to 10 times of single aluminium alloy conductor (7) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220271438 CN202677933U (en) | 2012-06-11 | 2012-06-11 | Rail transportation comprehensive grounding cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220271438 CN202677933U (en) | 2012-06-11 | 2012-06-11 | Rail transportation comprehensive grounding cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202677933U true CN202677933U (en) | 2013-01-16 |
Family
ID=47498819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220271438 Expired - Fee Related CN202677933U (en) | 2012-06-11 | 2012-06-11 | Rail transportation comprehensive grounding cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202677933U (en) |
-
2012
- 2012-06-11 CN CN 201220271438 patent/CN202677933U/en not_active Expired - Fee Related
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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: 20130116 Termination date: 20130611 |