CN201444503U - Grounding device for passenger dedicated line - Google Patents
Grounding device for passenger dedicated line Download PDFInfo
- Publication number
- CN201444503U CN201444503U CN2009200315491U CN200920031549U CN201444503U CN 201444503 U CN201444503 U CN 201444503U CN 2009200315491 U CN2009200315491 U CN 2009200315491U CN 200920031549 U CN200920031549 U CN 200920031549U CN 201444503 U CN201444503 U CN 201444503U
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- line
- ground connection
- passenger transportation
- connection equipment
- grounding
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Abstract
A grounding device for a passenger dedicated line comprises a through grounding wire including a stranded conductor which is stranded by a plurality of copper wires and at least one alarm wire. The grounding device is characterized by further comprising a grounding apparatus connected with the through grounding wire. The grounding apparatus includes a grounding seat, and at least one screw thread connecting hole is arranged on the grounding seat fixedly connected with an electric connecting apparatus. The grounding device has the advantages of simple and convenient installation, maintenance and operation, safe use, environment protection, no pollution, fine anti-corrosion performance, low cost, good bending performance, long service life and convenience for construction and connection of the alarm wires.
Description
Technical field
The utility model relates to railway art, specifically is a kind of special line for passenger trains ground connection equipment.
Background technology
Railway transportation occupies critical role in the traffic system of China, the safety of railway transportation problem also enjoys people to pay close attention to always.Along with constantly putting into operation of special line for passenger trains, the development of many Lines for Passenger Transportation of railway and high-speed railway, train running speed is more and more faster, and railways train operation commander's automation and fail safe are had higher requirement.How to guarantee the objective problem that the safety of Line for Passenger Transportation train operation has become present needs to solve as early as possible.Therefore require to lay Through ground wire, form the integrated ground system,, guarantee that the system equipment security of operation is reliable and stable so that each working point earthing potential of the signalling arrangement of whole system is consistent and satisfies the backflow needs along the trunk railway total length.In the past in the rail transportation circuit, and failed call adopts the grounding system of unified standard, so the earthing device that constituent parts adopts is varied, brings a lot of inconvenience for operating personnel's installation and maintenance, also can't adapt to the installation requirement of Line for Passenger Transportation complex environment.In addition, employed Through ground wire is the sheath copper cash, but plumbous meeting cause severe contamination to environment.And alarming line all is arranged on the inside or the centre of stranded conductor in the present Through ground wire, and maintenance construction continues very inconvenient.
The utility model content
In order to overcome the shortcoming that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of Line for Passenger Transportation ground connection equipment, and its installation and maintenance is simple to operation, and is safe in utilization.
The technical solution of the utility model is: this Line for Passenger Transportation ground connection equipment, comprise Through ground wire, and described Through ground wire comprises by many copper cash and at least one stranded stranded conductor that forms of alarming line; Also comprise the earthing device that links to each other with Through ground wire, described earthing device comprises grounding base, is provided with at least one threaded connection hole on grounding base; Described grounding base and arrangements of electric connection are connected.
As further technical scheme of the present utility model:
Described arrangements of electric connection is welded to connect part and can be linear for being welded to connect part, also can be for curving shaped form at any angle.
Also be connected with the crimping connector of band plug wire hole at the described other end that is welded to connect part.
Described arrangements of electric connection is the crimping connector of band plug wire hole.
The described effective contact area 〉=200mm that is welded to connect part and grounding base
2
The described effective contact area 〉=200mm that is welded to connect the crimping connector of part and band plug wire hole
2
Effective contact area 〉=200mm of the crimping connector of described grounding base and band plug wire hole
2
Use in the ground connection equipment at this Line for Passenger Transportation, described alarming line is arranged on the skin of stranded conductor; Described stranded conductor is provided with conductive high polymer sheath outward.
Be coated with anticorrosion conductive coating between described stranded conductor outer surface and the conductive high polymer sheath.
Described conductive high polymer sheath comprises and is arranged on the outer protective sleeve that the internal layer sheath that anticorrosion conductive coating extrudes the outer first time and the second time that is positioned at internal layer sheath periphery extrude.
The beneficial effects of the utility model are: its installation and maintenance is simple to operation, and is safe in utilization.And environment friendly and pollution-free, antiseptic property is good, and cost is low, good bending property, the continuing of convenient construction and alarming line; Long service life.
Description of drawings
Fig. 1 is the structural representation of earthing device in the utility model,
Fig. 2 is the structural representation of the another kind of execution mode of earthing device in the utility model,
Fig. 3 is the structural representation of the third execution mode of earthing device in the utility model,
Fig. 4 is the structural representation of the 4th kind of execution mode of earthing device in the utility model,
Fig. 5 is the cross-sectional view of Through ground wire in the utility model,
Fig. 6 is the cross-sectional view of the another kind of execution mode of Through ground wire in the utility model,
Fig. 7 is the cross-sectional view of the third execution mode of Through ground wire in the utility model,
Fig. 8 is the cross-sectional view of the 4th kind of execution mode of Through ground wire in the utility model,
Among the figure: 11 grounding bases, 12 threaded connection holes, 13 are welded to connect part, 14 crimping connectors, 21 stranded conductors, 22 alarming lines, 23 copper cash, 24 internal layer sheaths, 25 outer protective sleeves, 26 anticorrosion conductive coatings.
Embodiment
This Line for Passenger Transportation ground connection equipment comprises Through ground wire, and described Through ground wire comprises by many copper cash and at least one stranded stranded conductor that forms of alarming line; Also comprise the earthing device that links to each other with Through ground wire.
As shown in Figure 1, this earthing device comprises grounding base 11, is provided with a threaded connection hole 12 on grounding base 11; Described grounding base 11 be welded to connect part 13 and be connected.Grounding base 11 adopts anticorrosion stainless steel material to make, and it is shaped as cylindrical.Be welded to connect part 13 and adopt structural carbon steel to make, it is shaped as linear.Be welded to connect effective contact area 〉=200mm of part 13 and grounding base 11
2
Figure 2 shows that the another kind of execution mode of earthing device, this earthing device is compared with earthing device shown in Figure 1, difference is that grounding base 11 is connected with the crimping connector 14 of being with plug wire hole, crimping connector 14 adopts anticorrosion stainless steel material or ladle copper product to make, when adopting the ladle copper product, skin is a stainless steel, and internal layer is a copper.Effective contact area 〉=200mm of crimping connector 14 and grounding base 11
2All the other structures are identical.
Figure 3 shows that the third execution mode of earthing device, this earthing device is compared with earthing device shown in Figure 1, difference is to be welded to connect 13 shaped forms that are shaped as bending, its bending angle can be for arbitrarily angled, be fixed with the crimping connector 14 of band plug wire hole in the lower end that is welded to connect part 13, be welded to connect effective contact area 〉=200mm of part 13 and grounding base 11
2, be welded to connect effective contact area 〉=200mm of part 13 and the crimping connector 14 of band plug wire hole
2All the other structures are identical.
Figure 4 shows that the 4th kind of execution mode of earthing device, this earthing device is compared with earthing device shown in Figure 1, and difference is to be provided with two screw thread wiring holes 12 at grounding base 11.Grounding base 11 is a rectangle.All the other structures are identical.
When above-mentioned earthing device uses, be welded to connect part 13 can with the welding of ground connection reinforcing bar or with the earth electrode welding, the crimping connector 14 of band plug wire hole can carry out the plug wire crimping with earth connection or with earth connection on the equipment.Threaded connection hole on the grounding base 11 can adopt anti-theft bolt that ground connection connector and grounding base 11 are connected, and makes the ground connection fitting operation more convenient.The utility model is when concrete the installation, can be according to roadbed, bridge, different environment for use and the installation requirements in tunnel, link to each other with Through ground wire by welding, line ball connection, anti-theft bolt bolt, the apparatus that special line for passenger trains will be connected ground connection is connected to the integrated ground system, realize all signalling arrangement earthing potential unanimities, guarantee the system equipment stable and reliable operation, satisfy the safety requirements of passenger vehicle operation.
Figure 5 shows that a kind of execution mode of Through ground wire of the present utility model, the stranded conductor of this Through ground wire is formed by 6 TR type annealed copper wires 23 and 1 alarming line 22 concentric stranding, stranded mode adopts the regular stranded mode of 1+6, and alarming line is arranged on the skin of stranded conductor.The conductor of alarming line 22 adopts the soft circular copper wire of TR type of φ 1.0mm, in order to guarantee the rounding property of stranded conductor 21, the insulation external diameter of alarming line 22 and the equal diameters of copper conductor 23, alarming line 22 insulating material employing cross-linking radiation polyolefin or fluoroplastics.
Be coated with anticorrosion conductive coating 26 on stranded conductor 21 outer surfaces, thickness is not less than 2 μ m, employing be nano-carbon anticorrosion conductive coating.
Outside the stranded conductor 21 conductive high polymer sheath is set, conductive high polymer sheath comprises internal layer sheath 24, outer protective sleeve 25.The nominal thickness of wherein extruding for the first time the internal layer sheath of formation is 0.5mm, guarantees the gap between the outer copper cash of closely knit filling stranded conductor, and it is shaped to guarantee to extrude smooth surface.The nominal thickness of extruding for the second time the outer protective sleeve 25 of formation is 0.6mm, and assurance is extruded closely knit, and internal stress is even.The conducting polymer composite that internal layer sheath 24, outer protective sleeve 25 adopt specific insulation to be not more than 0.7 Ω .cm extrudes.
Figure 6 shows that the another kind of execution mode of Through ground wire, this Through ground wire is compared with Through ground wire shown in Figure 5, difference is: the specification difference of stranded conductor 21, stranded conductor shown in Figure 6 is formed by 7 soft circular copper wires 23 of TR type and 1 alarming line 22 concentric stranding, the insulation external diameter of this alarming line and the diameter of copper cash 23 are unequal, but the rounding property of the stranded conductor after needing assurance stranded equally.All the other technology are identical with Through ground wire shown in Figure 5.
Figure 7 shows that the third execution mode of Through ground wire, this Through ground wire is with the difference of Through ground wire shown in Figure 5: the specification of stranded conductor 21 is different, and the stranded conductor of this Through ground wire is formed by 17 soft circular copper wires 23 of TR type and 2 alarming line 22 concentric strandings.Stranded mode adopts the regular stranded mode of 1+6+12.Adopt 2 alarming lines to form alarm circuit, can improve the warning accuracy, enable the more accurate breakpoint of searching Through ground wire.All the other technology are identical with Through ground wire shown in Figure 5.
Figure 8 shows that the 4th kind of execution mode of Through ground wire, this Through ground wire is with the difference of Through ground wire shown in Figure 5: the specification of stranded conductor 21 is different, and the stranded conductor of this Through ground wire is formed by 19 soft circular copper wires 23 of TR type and 2 alarming line 22 concentric strandings.The insulation external diameter of alarming line is different with the diameter of copper cash 23, and its insulation external diameter is determined according to copper wire diameter, as long as guarantee the rounding property of stranded conductor.Adopt 2 alarming lines to form alarm circuit, can improve the warning accuracy, enable the more accurate breakpoint of searching Through ground wire.All the other technology are identical with Through ground wire shown in Figure 5.
The described structure of above-mentioned embodiment can not be as the restriction to the utility model protection range.
Claims (10)
1. Line for Passenger Transportation ground connection equipment, comprise Through ground wire, described Through ground wire comprises by many copper cash and at least one stranded stranded conductor that forms of alarming line, it is characterized in that: also comprise the earthing device that links to each other with Through ground wire, described earthing device comprises grounding base, is provided with at least one threaded connection hole on grounding base; Described grounding base and arrangements of electric connection are connected.
2. Line for Passenger Transportation ground connection equipment according to claim 1 is characterized in that: described arrangements of electric connection is welded to connect part and can be linear for being welded to connect part, also can be for curving shaped form at any angle.
3. Line for Passenger Transportation ground connection equipment according to claim 2 is characterized in that: the crimping connector that also is connected with the band plug wire hole at the described other end that is welded to connect part.
4. Line for Passenger Transportation ground connection equipment according to claim 1 is characterized in that: described arrangements of electric connection is the crimping connector of band plug wire hole.
5. Line for Passenger Transportation ground connection equipment according to claim 2 is characterized in that: described grounding base and the effective contact area 〉=200mm that is welded to connect part
2
6. Line for Passenger Transportation ground connection equipment according to claim 3 is characterized in that: the described effective contact area 〉=200mm that is welded to connect the crimping connector of part and band plug wire hole
2
7. Line for Passenger Transportation ground connection equipment according to claim 4 is characterized in that: effective contact area 〉=200mm of the crimping connector of described grounding base and band plug wire hole
2
8. according to described any one Line for Passenger Transportation ground connection equipment of claim 1～7, it is characterized in that: described alarming line is arranged on the skin of stranded conductor; Described stranded conductor is provided with conductive high polymer sheath outward.
9. Line for Passenger Transportation ground connection equipment according to claim 8 is characterized in that: be coated with anticorrosion conductive coating between described stranded conductor outer surface and the conductive high polymer sheath.
10. Line for Passenger Transportation ground connection equipment according to claim 9 is characterized in that: described conductive high polymer sheath comprises and is arranged on the outer protective sleeve that the internal layer sheath that anticorrosion conductive coating extrudes the outer first time and the second time that is positioned at internal layer sheath periphery extrude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200315491U CN201444503U (en) | 2009-08-11 | 2009-08-11 | Grounding device for passenger dedicated line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200315491U CN201444503U (en) | 2009-08-11 | 2009-08-11 | Grounding device for passenger dedicated line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201444503U true CN201444503U (en) | 2010-04-28 |
Family
ID=42549183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200315491U Expired - Fee Related CN201444503U (en) | 2009-08-11 | 2009-08-11 | Grounding device for passenger dedicated line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201444503U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556639A (en) * | 2019-10-16 | 2019-12-10 | 国网四川省电力公司绵阳供电公司 | Extension device and method for high-voltage grounding wire of transformer substation |
| CN113178277A (en) * | 2021-04-25 | 2021-07-27 | 华远高科电缆有限公司 | Seamless novel environment-friendly alloy sheath through ground wire |
-
2009
- 2009-08-11 CN CN2009200315491U patent/CN201444503U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556639A (en) * | 2019-10-16 | 2019-12-10 | 国网四川省电力公司绵阳供电公司 | Extension device and method for high-voltage grounding wire of transformer substation |
| CN113178277A (en) * | 2021-04-25 | 2021-07-27 | 华远高科电缆有限公司 | Seamless novel environment-friendly alloy sheath through ground wire |
| CN113178277B (en) * | 2021-04-25 | 2023-03-28 | 华远高科电缆有限公司 | Seamless environment-friendly alloy sheath through ground wire |
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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 |
Granted publication date: 20100428 Termination date: 20140811 |
|
| EXPY | Termination of patent right or utility model |