CN201918690U - Butting box for 27.5-kV power supply cables - Google Patents
Butting box for 27.5-kV power supply cables Download PDFInfo
- Publication number
- CN201918690U CN201918690U CN2010206103969U CN201020610396U CN201918690U CN 201918690 U CN201918690 U CN 201918690U CN 2010206103969 U CN2010206103969 U CN 2010206103969U CN 201020610396 U CN201020610396 U CN 201020610396U CN 201918690 U CN201918690 U CN 201918690U
- Authority
- CN
- China
- Prior art keywords
- cable
- butt joint
- joint case
- fittings body
- casing
- 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 - Lifetime
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Abstract
The utility model discloses a butting box for 27.5-kV power supply cables. The utility model is characterized in that the butting box comprises a box body, a joint body and internal-cone plug-in cable terminals; the internal-cone plug-in cable terminals are connected with the cables; the joint body is provided with two electric-connection jacks, and the internal-cone plug-in cable terminals are combined with the electric-connection jacks by the match of plugging and unplugging to realize the electric connection; and the box body is installed on the ground, and the joint body is arranged on the top in the box body. In the butting box, the joint body made of silicon rubber insulating material is internally provided with a reasonable high-voltage shielding sleeve so as to uniform the complexly distributed electric field. The joint body is matched with the internal-cone plug-in cable terminals to form a detachable ''intermediate joint'', so as to facilitate the replacement of the cables and the segmented confirmation of fault points obviously.
Description
Technical field
The utility model relates to a kind of electric cable fitting, particularly a kind of power cable butt joint case that is used to realize cable butting.
Background technology
In the laying of 27.5kV electric railway cable, common 400～500 meters cable will be used a transition joint, the transition joint of adopting is disposable transition joint, because this transition joint is placed in the cable trough, this just proposes extremely strict requirement to the sealing of transition joint.The reliability of this cable intermediate joint is strong especially to the dependence of construction technology, as seals badly, and quick-fried phenomenon can take place for cable joint immersion.In addition, non-dismountable because this transition joint is disposable, make troubles for the troubleshoot in the cable line.The use of existing transition joint is when searching cable line fault, because the localization of faults at short notice must all be checked whole piece circuit blanket type ground one time.This not only needs to expend a large amount of time, and also is very serious to user's influence.Use existing transition joint, also must consider the cable sheath problem that long cable uses, the just problem of metal screen layer induced voltage.The circuit of cable is long more, and induced voltage is just high more, if directly do ground connection processing at the two ends of cable, the metal screen layer of cable and the earth form circulation like this, not only waste electric energy, influence the cable transmission capacity, also can directly influence the life-span of cable.So it is necessary to seek a kind of " transition joint " that can effectively address the above problem.
The utility model content
The purpose of this utility model be to provide a kind of rational in infrastructure, easy to use, can plug and the reliable 27.5kV power cable of safety and stability butt joint case.
For reaching above-mentioned purpose, the utility model adopts following technical scheme: a kind of 27.5kV power cable butt joint case, it is characterized in that, and comprise casing, fittings body and inner cone plug-in cable termination; Described inner cone plug-in cable termination is connected with cable; Described fittings body is provided with two jacks that are electrically connected, and described inner cone plug-in cable termination cooperates with described jack plug and realizes being electrically connected; Described casing setting on the ground, described fittings body is positioned at the casing inner top.
In order to realize the utility model better, described fittings body is the fittings body that adopts the silicon rubber insulation made, and described fittings body inside is provided with the high-tension shielding cover.
Described butt joint case also comprises cable fixture, and described cable fixture is arranged on the interface that casing inner bottom part, cable enter cabinet base.Described cable fixture is meant cable clip, and this is a preferred version, simple in structure, cost is low, effective.
Described butt joint case also comprises ratguard, and described ratguard is arranged on the base top in the casing; Described ratguard is provided with and the close-fitting hole of passing through of cable.So not only can prevent entering but also can effectively reducing moisture of toy, prolong the useful life of electric elements.
Described cabinet base is meant the channel-section steel base.
The utility model possesses following outstanding advantage and effect with respect to prior art:
1, the utility model adopts the fittings body indoor design of silicon rubber insulation made that rational high-tension shielding cover is arranged, evenly the electric field of complex distributions, cooperate with inner cone plug-in terminal, just formed dismountable " transition joint ", segment acknowledgement is divided in the replacing and the fault point that are very easy to cable.
2, fittings body of the present utility model is mounted in the casing inner top; nearly 1.2 meters above ground level; therefore the metallic shield wiring of the cable of drawing from inner cone plug-in end just can prevent into water through handling, and the while also makes the possibility that is connected to become of metallic shield lead-in wire and cable protective layer protector.
3, the utility model is installed the back and is used the cable clip attached cable, and ratguard is used in the upper surface of channel-section steel base, not only can prevent entering but also can effectively reducing moisture of toy, helps prolonging the useful life of components and parts.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Wherein, 1 is that casing, 2 is that fittings body, 3 is that inner cone plug-in cable termination, 4 is that ratguard, 5 is that cable clip, 6 is that channel-section steel base, 7 is that external cable, 8 is the jack on the fittings body.
Embodiment
Below in conjunction with embodiment the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment
27.5kV power cable butt joint box structure of the present utility model comprises casing 1, fittings body 2 and inner cone plug-in cable termination 3 as shown in Figure 1; Inner cone plug-in cable termination 3 is connected with cable 7; Fittings body is provided with two jacks that are electrically connected 8, and inner cone plug-in cable termination 3 cooperates with jack 8 plugs and realizes being electrically connected; Casing 1 is provided with on the ground, and it has channel-section steel base 6; Fittings body 2 is positioned at casing 1 inner top.Fittings body 2 is the fittings bodies that adopt the silicon rubber insulation made, and fittings body 2 inside are provided with rational high-tension shielding cover, and the even electric field of complex distributions cooperates with inner cone plug-in cable termination, has just formed dismountable " transition joint ".
The butt joint case can also comprise ratguard 4, and the base top that ratguard 4 is arranged in the casing is cable clip 5 tops; Ratguard is provided with and the close-fitting hole of passing through of cable.The setting of ratguard not only can prevent entering of toy but also can effectively reduce moisture.
The butt joint case can also comprise cable clip 5, and cable clip 5 fixtures are arranged on the interface that enters cabinet base on the casing channel-section steel base, as cable.By fixing of cable clip, help the location of inner cone plug-in cable termination.
When the utility model breaks down at cable line,, can realize the segmentation of circuit is detected, greatly improve the efficient that the fault origination point is confirmed by effective segmentation of " transition joint ".
The foregoing description is the utility model preferred implementation; but execution mode of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection range of the present utility model.
Claims (6)
1. a 27.5kV power cable butt joint case is characterized in that, comprises casing, fittings body and inner cone plug-in cable termination; Described inner cone plug-in cable termination external cable; Described fittings body is provided with two jacks that are electrically connected, and described inner cone plug-in cable termination cooperates with described jack plug and realizes being electrically connected; Described casing setting on the ground, described fittings body is positioned at the casing inner top.
2. 27.5kV power cable butt joint case according to claim 1 is characterized in that described fittings body is the fittings body that adopts the silicon rubber insulation made, and described fittings body inside is provided with the high-tension shielding cover.
3. 27.5kV power cable according to claim 2 butt joint case is characterized in that described butt joint case also comprises cable fixture, and described cable fixture is arranged on the interface that casing inner bottom part, cable enter cabinet base.
4. 27.5kV power cable butt joint case according to claim 3 is characterized in that described cable fixture is meant cable clip.
5. 27.5kV power cable butt joint case according to claim 3 is characterized in that described butt joint case also comprises ratguard, and described ratguard is arranged on the base top in the casing; Described ratguard is provided with and the close-fitting hole of passing through of cable.
6. 27.5kV power cable butt joint case according to claim 3 is characterized in that described cabinet base is meant the channel-section steel base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206103969U CN201918690U (en) | 2010-11-16 | 2010-11-16 | Butting box for 27.5-kV power supply cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206103969U CN201918690U (en) | 2010-11-16 | 2010-11-16 | Butting box for 27.5-kV power supply cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918690U true CN201918690U (en) | 2011-08-03 |
Family
ID=44418480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206103969U Expired - Lifetime CN201918690U (en) | 2010-11-16 | 2010-11-16 | Butting box for 27.5-kV power supply cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386589A (en) * | 2011-10-08 | 2012-03-21 | 江苏大全长江电器股份有限公司 | Auxiliary installing tool for inner conical plug type terminal cable |
-
2010
- 2010-11-16 CN CN2010206103969U patent/CN201918690U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386589A (en) * | 2011-10-08 | 2012-03-21 | 江苏大全长江电器股份有限公司 | Auxiliary installing tool for inner conical plug type terminal cable |
| CN102386589B (en) * | 2011-10-08 | 2014-06-18 | 江苏大全长江电器股份有限公司 | Auxiliary installing tool for inner conical plug type terminal cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |
|
| CX01 | Expiry of patent term |