CN110224367A - A kind of EMU hv cable termination - Google Patents
A kind of EMU hv cable termination Download PDFInfo
- Publication number
- CN110224367A CN110224367A CN201910597689.3A CN201910597689A CN110224367A CN 110224367 A CN110224367 A CN 110224367A CN 201910597689 A CN201910597689 A CN 201910597689A CN 110224367 A CN110224367 A CN 110224367A
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- Prior art keywords
- center conductor
- stress cone
- insulating sleeve
- emu
- cable termination
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- 239000000463 material Substances 0.000 claims description 27
- 238000009413 insulation Methods 0.000 claims description 16
- 239000003063 flame retardant Substances 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 10
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- 229910000838 Al alloy Inorganic materials 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 9
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- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
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- 229910052794 bromium Inorganic materials 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/06—Cable terminating boxes, frames or other structures
- H02G15/064—Cable terminating boxes, frames or other structures with devices for relieving electrical stress
Landscapes
- Cable Accessories (AREA)
Abstract
The present invention relates to a kind of EMU hv cable terminations.The terminal includes center conductor, insulating sleeve, contact head, stress cone, compression fitting and protective hardware；Center conductor and insulating sleeve socket are arranged；The lower end of center conductor is provided with the groove matched with contact head and stress cone；One end of contact head and center conductor can plug connect, the other end and cable connection；The stress cone is conical structure, and the both ends of stress cone are respectively arranged with ramp, the lower inclined plane matched with center conductor lower end groove, compression fitting；It is embedded in the groove of centrally disposed conductor lower end after stress cone and cable socket.The configuration of the present invention is simple, pluggable, good flame resistance, convenient to install and maintain, stability is high.
Description
Technical field
The present invention relates to a kind of EMU hv cable terminations, belong to the technical field of cable termination.
Background technique
With constantly improve for China's transport service, EMU has welcome the gold period of development, wherein 27.5kV high
Voltage cable terminal is the important component of traction power supply system for emu, and reliability directly affects the safety fortune of EMU
Row.Recently as the continuous propulsion of standardization EMU, country is to EMU 27.5kV hv cable termination performance requirement
It is higher and higher.
Hv cable termination product in the prior art is applied in conventional transmission system, and connection overhead line makes
With not dedicated for the product of railway system field (EMU 27.5kV high voltage supply system)；Existing cable termination exists
Following aspect of performance can not fully meet requirement: can not fully meet electrical performance demands as defined in GB/T28427-2012
(ac voltage withstanding 124kV*5min not flashover, do not puncture, do not puncture for surge voltage ± 250kV*10 times, not flashover)；It can not be complete
Meet pluggable function, is not easy to the installation and later period maintenance of product；Flame-retardancy requirements can not be fully met (in DIN5510-2
Combustion rating S4, level of smoke SR2, dropping grade ST2；Oxygen index (OI) R22/R23 in EN45545-2, smoke density R22/R23,
Toxicity test R22/R23)；The lower 30 years inner boundary pressure stability requirements of the harsh running environment of EMU can not be fully met.
Cable termination in typical power system is unable to satisfy EMU field, and concrete reason is as follows: firstly, conventional electric power
XLPE cable (cable insulation is crosslinked polyethylene) is used in system, common terminal cooperates Plastic-sheathed Cable (cable insulation three
First EP rubbers) it is used for EMU cable insulation size in the case where being subjected to expanding with heat and contract with cold under high/low temperature (± 40 DEG C) and longtime running
Variation will cause interfacial pressure degradation；Second, cable termination is installed with EMU car for horizontal cantilever, ordinary terminal
Fully rely on cable support, the self gravity, body oscillating the effects of under will cause product bending；Although having in the prior art logical
Crossing that metal is added and supports in rubber interior design makes product meet horizontal cantilever installation, but since design is complicated, internal interface
More, rubber and metal adhesion deficiency cause product to occur the case where interface tearing, product punctures after running for a period of time；
Third has stringent control, cable termination ruler in the prior art to car body weight, size due to EMU high-speed cruising
Very little big, weight is big, is unable to satisfy EMU requirement；4th, EMU attachment can examine a little requirement within the specified period,
It can not be disassembled after ordinary attachments installation, not can be carried out internal state inspection and replacement stress external member, can only carried out after product breakdown
Integral replacing；
27.5kV hv cable termination performance seriously affects the security reliability of China Railway at present.Therefore 27.5kV
The exploitation of hv cable termination will have highly important value for China railways system safe operation.Chinese patent notification number
CN103532081 discloses the stress cone type and condenser type compound insulation type hv cable termination of a kind of overhead line, the high pressure
Cable termination is exactly the terminal suitable for typical power system；It can not be suitable for EMU vehicle body traction power supply system of jumping line.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of EMU hv cable termination.
The technical solution of the present invention is as follows:
A kind of EMU hv cable termination, including center conductor, insulating sleeve, contact head, stress cone, compression fitting
And protective hardware；Center conductor and insulating sleeve socket are arranged；The lower end of center conductor is provided with and contact head and stress cone phase
The groove of cooperation；One end of contact head and center conductor can plug connect, the other end and cable connection；The stress cone is circular cone
Structure, the both ends of stress cone are respectively arranged with ramp, the lower inclined plane matched with center conductor lower end groove, compression fitting；
It is embedded in the groove of centrally disposed conductor lower end after stress cone and cable socket；The compression fitting is cylindrical structure, compression gold
Be provided with the bevel structure matched with stress cone on the inside of one end of tool, the other end is connected with the compression spring, compressed spring it is another
One end acts on protective hardware.Compression fitting is supplied to stress cone external force, guarantees insulating sleeve and stress cone, stress cone and electricity
The stabilization of face pressure between cable；Wherein, face pressure refers to the pressure between two kinds of substance contact surfaces；Center conductor is in place with insulating sleeve
Setting in relationship is socket setting, and actually the two is integral structure.
Preferably, watchband-shaped contactor point jack structure is provided in the groove of the lower end of center conductor.Contact head and center
Conductor is plug connection mode, is connected by designing watchband structure in center conductor inner cavity with contact head, be can be realized big
Electric current allows requirement that 30 times or more plugs installation also may be implemented, convenient for the installation and maintenance of product.
Preferably, full skirt is equipped with outside the insulating sleeve；Length is 400 ± 50mm, and diameter is less than 156mm；Full skirt
Surface insulation creepage distance is greater than 700mm.Meet motor train unit train requirement in dimensional structure, in the prior art, for normal
Electric system end product is advised when meeting EMU field performance requirement, size is unable to satisfy above-mentioned requirements.
Preferably, the insulating sleeve is crosslinking curing molding structure, and center conductor is embedded in insulating sleeve.Traditional phase
It is practical to produce since the used insulating materials of insulating sleeve and the control of center conductor metal material caking property are difficult like infrastructure product
Product are easy to happen the anomalous effects electric property such as removing, bubble, generate shelf depreciation in use process, eventually lead to insulating materials
The problem of aging, breakdown.And by increasing center conductor and insulating sleeve contact surface adhesion strength, avoid two kinds of material strippings
It is abnormal from, bubble etc..
It is further preferred that being carried out at sandblasting on the contact surface of center conductor and insulating sleeve in center conductor outer surface
Reason increases adhesion strength.
Preferably, the material of center conductor is one of aluminium, aluminium alloy, copper or copper alloy, the processing of surface layer coating；Insulation
The material of casing is one of epoxy resin or glass reinforced plastic；The material of the stress cone is in ethylene propylene diene rubber or silicon rubber
One kind；The contact head is one of aluminium, aluminium alloy, copper or copper alloy, the processing of surface layer coating；The compression fitting material
For one of aluminium, aluminium alloy, copper, copper alloy stainless steel or glass reinforced plastic；The protective hardware is aluminium, aluminium alloy, copper, copper alloy
Or one of stainless steel；Inorganic fire retardants and organic fire-retardant are added in the component of insulating sleeve and stress cone.Coating
Handle the galvano-cautery that can avoid between dissimilar metal；Metal after material selection heat treatment, the strength of materials is high, and has good
Plasticity and excellent corrosion resistance.Increasing organic or inorganic fire retardant on the basis of maintaining rubber electric property unaffected improves
The fire protecting performance of material reaches fire-retardant nontoxic requirement.
It is further preferred that the aluminium alloy includes Al-Cu alloy, Al-Mg-Si system alloy, Al-Cu-Mg alloy；
The copper alloy includes beryllium-bronze.
Preferably, the protective hardware is cylindrical metal structure, is located at compression fitting bottom, with insulating sleeve and cable
It is tightly connected.Protective hardware, which plays fixed cable, will not protect stress since the vibration of train is subjected to displacement in use
The effect of cone, compression fitting, and seal waterproof.
Preferably, stress cone outer surface contacts setting with the inner surface of insulating sleeve；Stress cone outer surface and insulating sleeve
Inner surface between be provided with insulation lubricant layer.Air between interface can be arranged by smearing insulation lubriation material in interface location
Only, guarantee that interface cohesion is good, improve the electric property at interface.Stress cone is matched with insulating sleeve after testing, is exchanged resistance to
Pressure 124kV*5min not flashover, do not puncture, do not puncture for surge voltage ± 250kV*10 times, not flashover；Meet GB/T28427-
Electrical performance demands as defined in 2012.
Preferably, insulating sleeve meets combustion rating S4 in DIN5510-2, level of smoke SR2, dropping grade ST2；It answers
Power cone meets oxygen index (OI) R22/R23 in EN45545-2, smoke density R22/R23, toxicity test R22/R23.
The invention has the benefit that
1, EMU hv cable termination of the present invention selects external insulation casing pipe cooperation stress cone, compression fitting knot
Structure, structure are simple；Compression fitting is supplied to stress cone external force, guarantees 30 years interior insulation casings and stress cone, stress cone and cable
Between face pressure stable for extended periods of time, product stability is high；
2, EMU hv cable termination of the present invention, inside setting center conductor are supported, effectively overcome
Product buckling phenomenon caused by under as the effects of self gravity, body oscillating.There was only fitting and a kind of boundary of epoxy in external insulation
Face (interface between center conductor and insulating sleeve), fitting surface treatment considerably increase the contact area with epoxy, interface
Adhesive force is big, realizes and does not remove under high-intensity oscillation, effectively prevents rubber and cause product running with metal adhesion deficiency
Occurs the case where interface tearing, product punctures after a period of time, effectively holding interface stability；
3, EMU hv cable termination of the present invention, it is abundant enough keeping product to have by electric field analysis software
In the case where degree, optimization product shape is, it can be achieved that product size is small, light weight.In addition it is led in external insulation using aluminium material center
Body reduces weight on the basis of keeping original machinery, electric property；Using insertion shielding fitting and installation in terms of other components
Integrated flange, compression fitting and the integrated mode of protective hardware reduce product component quantity, reduce product quality；
4, watchband structure is arranged in external insulation center conductor, and connects for EMU hv cable termination of the present invention
Contact can realize plug, and surface is not damaged, facilitate the installation and maintenance of EMU.
5, EMU hv cable termination of the present invention, external insulation material are keeping material by the way that fire retardant is added
Material realizes fire-retardant nontoxic requirement on the basis of mechanically and electrically performance is constant.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of EMU hv cable termination of the present invention；
Fig. 2 is the structural schematic diagram of center conductor；
Fig. 3 is the structural schematic diagram of insulating sleeve；
Fig. 4 is the vertical section schematic diagram of stress cone；
Fig. 5 is the structural schematic diagram for compressing fitting；
Fig. 6 is the structural schematic diagram of protective hardware；
Wherein, 1, center conductor, 2, insulating sleeve, 3, contact head, 4, stress cone, 5, compressed spring, 6, protective hardware, 7,
Ramp, 8, lower inclined plane.
Specific embodiment
Below with reference to embodiment and Figure of description, the present invention will be further described, but not limited to this.
Embodiment 1
As shown in figures 1 to 6.
A kind of EMU hv cable termination, including center conductor 1, insulating sleeve 2, contact head 3, stress cone 4, compression
Fitting and protective hardware 6；Center conductor 1 and the socket of insulating sleeve 2 are arranged；The lower end of center conductor 1 be provided with contact head 3 and
The groove that stress cone 4 matches；One end of contact head 3 and center conductor 1 can plug connect, the other end and cable connection；It is described
Stress cone 4 is conical structure, and the both ends of stress cone 4 are respectively arranged with to be matched with center conductor lower end groove, compression fitting
Ramp 7, lower inclined plane 8；It is embedded in the groove of centrally disposed conductor lower end after stress cone 4 and cable socket；The compression fitting
For cylindrical structure, compresses and be provided with the bevel structure matched with stress cone 4, the other end and compressed spring on the inside of one end of fitting
5 connections, the other end of compressed spring 5 act on protective hardware 6.Compression fitting is supplied to 4 external force of stress cone, guarantees in 30 years
The stabilization of face pressure between insulating sleeve 2 and stress cone 4；Wherein, face pressure refers to the pressure between two kinds of substance contact surfaces；It leads at center
Body 1 and insulating sleeve 2 are socket setting in positional relationship, and actually the two is integral structure.The protective hardware 6 is cylinder
Shape metal structure is located at compression fitting bottom, connect with insulating sleeve 2 and cable seal.Protective hardware 6 plays fixed cable and exists
It will not be subjected to displacement due to the vibration of train in use process, protection stress cone, the effect for compressing fitting, and seal waterproof.
Embodiment 2
EMU hv cable termination as described in Example 1, further, in the groove of the lower end of center conductor 1
It is provided with watchband-shaped contactor point jack structure.Contact head 3 and center conductor 1 are plug connection mode, by center conductor 1
Chamber design watchband structure is connected with contact head 3, can be realized high current allow to require also may be implemented 30 times or more it is slotting
Installation is pulled out, convenient for the installation and maintenance of product.
Embodiment 3
EMU hv cable termination as described in Example 1 is further equipped with umbrella outside the insulating sleeve 2
Skirt；Length is 409mm, diameter 156mm；The surface insulation creepage distance of full skirt is 878mm.It is existing in terms of dimensional structure
In technology, for typical power system end product when meeting EMU field performance requirement, size is unable to satisfy above-mentioned want
It asks.
Embodiment 4
EMU hv cable termination as described in Example 1, further, the insulating sleeve 2 are crosslinking curing
Molding structure, center conductor 1 are embedded in insulating sleeve.The similar infrastructure product of tradition, by the used insulation material of insulating sleeve 2
Material and the control of 1 metal material caking property of center conductor are difficult, and actual product is easy to happen the anomalous effects electrical resistance such as removing, bubble
Can, the problem of generating shelf depreciation in use process, eventually lead to insulating materials aging, breakdown.And by increasing center conductor 1
With 2 contact surface adhesion strength of insulating sleeve, it is abnormal to avoid two kinds of material removings, bubbles etc..
Embodiment 5
EMU hv cable termination as described in Example 4, further, center conductor 1 connects with insulating sleeve 2
In contacting surface, blasting treatment is carried out in 1 outer surface of center conductor.Blasting treatment increases by two kinds of material areas, and it is strong to increase bonding
Degree
Embodiment 6
EMU hv cable termination as described in Example 1, further, the material of center conductor 1 are aluminium, surface layer
Carry out coating；The material of insulating sleeve 2 is epoxy resin；The material of the stress cone 4 is ethylene propylene diene rubber；The contact head
3 be copper material, the processing of surface layer coating；The compression fitting material is aluminium or glass reinforced plastic；The protective hardware 6 is aluminium；Insulation sleeve
Inorganic fire retardants and organic fire-retardant are added in the component of pipe 2 and stress cone 4.Inorganic fire retardants is Al (OH)3, organic resistance
Combustion agent is bromine system.Coating processing can avoid the galvano-cautery between dissimilar metal；Metal after material selection heat treatment, the strength of materials
Height, and there is good plasticity and excellent corrosion resistance.Increasing on the basis of maintaining rubber electric property unaffected has
Machine or inorganic fire retardants improve the fire protecting performance of material, reach fire-retardant nontoxic requirement.
Embodiment 7
EMU hv cable termination as described in Example 1, further, 4 outer surface of stress cone and insulating sleeve 2
Inner surface contact setting；It is (described exhausted that insulation lubricant layer is provided between 4 outer surface of stress cone and the inner surface of insulating sleeve 2
Edge lubricant layer is silicon layer).Air between interface can be emptied by smearing insulation lubriation material in interface location, guarantee interface knot
It closes well, improves the electric property at interface, stress cone is matched with insulating sleeve after testing, and ac voltage withstanding 124kV*5min is not
Flashover does not puncture, and does not puncture for surge voltage ± 250kV*10 times, not flashover；Meet electrical resistance as defined in GB/T28427-2012
It can require.
Claims (8)
1. a kind of EMU hv cable termination, which is characterized in that including center conductor, insulating sleeve, contact head, stress
Cone, compression fitting and protective hardware；Center conductor and insulating sleeve socket are arranged；The lower end of center conductor is provided with and contact head
The groove matched with stress cone；One end of contact head and center conductor can plug connect, the other end and cable connection；It is described to answer
Power cone be conical structure, the both ends of stress cone be respectively arranged with center conductor lower end groove, compression fitting match it is upper tiltedly
Face, lower inclined plane；It is embedded in the groove of centrally disposed conductor lower end after stress cone and cable socket；The compression fitting is cylinder knot
Structure compresses and is provided with the bevel structure matched with stress cone on the inside of one end of fitting, and the other end is connected with the compression spring, compression
The other end of spring acts on protective hardware.
2. EMU hv cable termination according to claim 1, which is characterized in that the groove of the lower end of center conductor
Inside it is provided with watchband-shaped contactor point jack structure.
3. EMU hv cable termination according to claim 1, which is characterized in that be equipped with outside the insulating sleeve
Full skirt；Length is 400 ± 50mm, and diameter is less than 156mm；The surface insulation creepage distance of full skirt is greater than 700mm.
4. EMU hv cable termination according to claim 1, which is characterized in that the insulating sleeve is that crosslinking is solid
Change molding structure, center conductor is embedded in insulating sleeve.
5. EMU hv cable termination according to claim 4, which is characterized in that center conductor and insulating sleeve
On contact surface, blasting treatment is carried out in center conductor outer surface.
6. EMU hv cable termination according to claim 1, which is characterized in that the material of center conductor be aluminium,
One of aluminium alloy, copper or copper alloy, the processing of surface layer coating；The material of insulating sleeve is one in epoxy resin or glass reinforced plastic
Kind；The material of the stress cone is one of ethylene propylene diene rubber or silicon rubber；The contact head be aluminium, aluminium alloy, copper or
One of copper alloy, the processing of surface layer coating；The compression fitting material is aluminium, aluminium alloy, copper, copper alloy stainless steel or glass
One of steel；The protective hardware is one of aluminium, aluminium alloy, copper, copper alloy or stainless steel；Insulating sleeve and stress cone
Component in be added with inorganic fire retardants and organic fire-retardant.
7. EMU hv cable termination according to claim 1, which is characterized in that the protective hardware is cylindrical shape
Metal structure is located at compression fitting bottom, connect with insulating sleeve and cable seal.
8. EMU hv cable termination according to claim 1, which is characterized in that stress cone outer surface and insulation sleeve
The inner surface of pipe contacts setting；Insulation lubricant layer is provided between stress cone outer surface and the inner surface of insulating sleeve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910597689.3A CN110224367A (en) | 2019-07-04 | 2019-07-04 | A kind of EMU hv cable termination |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910597689.3A CN110224367A (en) | 2019-07-04 | 2019-07-04 | A kind of EMU hv cable termination |
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| CN110224367A true CN110224367A (en) | 2019-09-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176745A (en) * | 2019-07-04 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | A kind of pulling/inserting structure for EMU hv cable termination |
| CN112356677A (en) * | 2020-10-27 | 2021-02-12 | 北京中车赛德铁道电气科技有限公司 | Mounting structure for flange of outdoor terminal of high-voltage cable assembly of locomotive vehicle |
| CN114498165A (en) * | 2022-03-11 | 2022-05-13 | 中车青岛四方车辆研究所有限公司 | High-weather-resistance connector structure for rail transit, production process of high-weather-resistance connector structure and L-shaped rigid outdoor terminal |
| CN114597719A (en) * | 2022-03-11 | 2022-06-07 | 特变电工昭和（山东）电缆附件有限公司 | Pluggable L-shaped rigid outdoor terminal for rail transit and production process thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2790001Y (en) * | 2005-05-16 | 2006-06-21 | 长沙电缆附件有限公司 | Connecting-disconnecting indoor and outdoor terminal for high voltage electric cable |
| CN102377154A (en) * | 2011-11-14 | 2012-03-14 | 申环电缆科技有限公司 | Dry type pluggable geographic information system (GIS) terminal |
| CN103532081A (en) * | 2013-09-20 | 2014-01-22 | 天津沃尔法电力设备有限公司 | Stress cone and capacitive composite insulating high-voltage cable terminal for overhead line |
| CN203800513U (en) * | 2014-03-25 | 2014-08-27 | 陈永仁 | Intermediate connector for straight-through type high-voltage cables |
| CN204967209U (en) * | 2015-06-12 | 2016-01-13 | 特变电工昭和（山东）电缆附件有限公司 | 66-220kV aluminium conductor crosslinked GIS terminal for cable |
| CN107332195A (en) * | 2017-07-28 | 2017-11-07 | 特变电工昭和（山东）电缆附件有限公司 | A kind of high voltage direct current cable outdoor terminal |
| CN210016258U (en) * | 2019-07-04 | 2020-02-04 | 中车青岛四方车辆研究所有限公司 | High-voltage cable terminal for motor train unit |
-
2019
- 2019-07-04 CN CN201910597689.3A patent/CN110224367A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2790001Y (en) * | 2005-05-16 | 2006-06-21 | 长沙电缆附件有限公司 | Connecting-disconnecting indoor and outdoor terminal for high voltage electric cable |
| CN102377154A (en) * | 2011-11-14 | 2012-03-14 | 申环电缆科技有限公司 | Dry type pluggable geographic information system (GIS) terminal |
| CN103532081A (en) * | 2013-09-20 | 2014-01-22 | 天津沃尔法电力设备有限公司 | Stress cone and capacitive composite insulating high-voltage cable terminal for overhead line |
| CN203800513U (en) * | 2014-03-25 | 2014-08-27 | 陈永仁 | Intermediate connector for straight-through type high-voltage cables |
| CN204967209U (en) * | 2015-06-12 | 2016-01-13 | 特变电工昭和（山东）电缆附件有限公司 | 66-220kV aluminium conductor crosslinked GIS terminal for cable |
| CN107332195A (en) * | 2017-07-28 | 2017-11-07 | 特变电工昭和（山东）电缆附件有限公司 | A kind of high voltage direct current cable outdoor terminal |
| CN210016258U (en) * | 2019-07-04 | 2020-02-04 | 中车青岛四方车辆研究所有限公司 | High-voltage cable terminal for motor train unit |
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| CN110176745A (en) * | 2019-07-04 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | A kind of pulling/inserting structure for EMU hv cable termination |
| CN112356677A (en) * | 2020-10-27 | 2021-02-12 | 北京中车赛德铁道电气科技有限公司 | Mounting structure for flange of outdoor terminal of high-voltage cable assembly of locomotive vehicle |
| CN114498165A (en) * | 2022-03-11 | 2022-05-13 | 中车青岛四方车辆研究所有限公司 | High-weather-resistance connector structure for rail transit, production process of high-weather-resistance connector structure and L-shaped rigid outdoor terminal |
| CN114597719A (en) * | 2022-03-11 | 2022-06-07 | 特变电工昭和（山东）电缆附件有限公司 | Pluggable L-shaped rigid outdoor terminal for rail transit and production process thereof |
| CN114498165B (en) * | 2022-03-11 | 2024-01-19 | 中车青岛四方车辆研究所有限公司 | High weather-resistant connector structure for rail transit, production process of connector structure and L-shaped rigid outdoor terminal |
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