CN205231701U - Shrinkage formula connects and structure is restoreed to compensating conductor cable - Google Patents
Shrinkage formula connects and structure is restoreed to compensating conductor cable Download PDFInfo
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- CN205231701U CN205231701U CN201521077681.8U CN201521077681U CN205231701U CN 205231701 U CN205231701 U CN 205231701U CN 201521077681 U CN201521077681 U CN 201521077681U CN 205231701 U CN205231701 U CN 205231701U
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- cable
- compensating conductor
- shrinkage
- insulating barrier
- type joint
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Abstract
The utility model belongs to the technical field of the cable is restoreed, concretely relates to shrinkage formula connects and structure is restoreed to compensating conductor cable leads to restoreing under line release and insufficient length's the condition cable owing to short circuit or other reasons at cable run, restore cable, shrinkage joint main part and compensating conductor including treating more than two, the compensating conductor with wait to restore the sinle silk crimp connection in the cable, the surface of compensating conductor and sinle silk has the semiconduction sticky tape around the package, it passes through to wait the insulating layer and the insulation screen interruption position of restoreing the cable the semiconduction sticky tape forms the stress cone around the package, still there is the insulating cement in the stress cone and the shrinkage joint main part outside around the package, the shrinkage connects the main part outside around package semiconduction sticky tape and copper mesh. The utility model provides a shrinkage formula connects and structure is restoreed to compensating conductor cable adopts the layering segmentation around the package, guarantees cable repair effect.
Description
Technical field
The utility model relates to a kind of cold shrink type joint and compensating conductor cable repair structure.Belong to cable recovery technique field.
Background technology
Power cable has polytype.The voltage of electrical network is not only born for a long time because power cable is in operation, and be in operation and also can often run into various overvoltage: switching overvoltage, atmospheric over-voltage, fault overvoltage etc., to such an extent as to the fault occurrence frequency of power cable is many relative to other electric equipment, wherein one of fault has: power circuit is short-circuited power-off fault, the construction of cable is impaired, must be excised by impaired for 10-25cm cable according to field condition from faulty line.For recovering the integrality of circuit, two cables effectively must be coupled together.Traditional shrinkage joint or pyrocondensation joint are all connect two cables of sufficient length, but cause two cables that traditional mode cannot be adopted to connect due to scene excision 10-25cm cable.
Cannot normally connect for solving the cable existed in above-mentioned prior art and connect the problems such as poor effect, need that invention is a kind of causes circuit to disconnect and the situation lower leaf segmentation of curtailment is wrapped at cable line due to short circuit or other reasons at present badly, ensure novel cold shrink type joint and the compensating conductor cable repair structure of cable repairing effect.
Utility model content
The utility model proposes a kind of layer and section wrapped, ensure novel cold shrink type joint and the compensating conductor cable repair structure of cable repairing effect, solving the cable existed in prior art cannot normally connect and connect the problems such as poor effect.
The technical solution of the utility model is achieved in that
A kind of cold shrink type joint and compensating conductor cable repair structure, comprise the cable to be repaired of more than two, shrinkage adapter body and compensating conductor, described compensating conductor crimps with the core in described cable to be repaired and is connected, the outer surface of described compensating conductor and core is surrounded with semiconductive adhesive tape, the insulating barrier of described cable to be repaired and insulation screen disconnect position by described semiconductive adhesive tape wrapped formation stress cone, also insulating cement is surrounded with, wrapped semiconductive adhesive tape and copper mesh outside described shrinkage adapter body outside described stress cone and shrinkage adapter body.
Further, described cable to be repaired comprises oversheath, armouring, inner sheath, insulation screen, described insulating barrier and core from outside to inside successively.
Also be provided with conductor screen between described insulating barrier and core, the junction of described insulating barrier and conductor screen is chamfering shape.
Described insulating barrier is evenly coated with and is brushed with silicone grease.
Described stress cone and described insulating barrier overlap and are no less than 25mm, overlap be no less than 30mm with described insulation screen.
Described insulating cement is J30 insulating cement.
Described shrinkage adapter body is noted rubber by single insulating liquid glue and is formed.
The utility model has following feature and beneficial effect:
The conductor that affords redress in cold shrink type joint and compensating conductor cable repair structure in the utility model recovers cable length, and the insulating barrier of cable is recovered by shrinkage adapter body (pure insulation homogenous material note rubber forms), insulation shield disconnecting unit potential electrical field is evacuated and is adopted semiconductive adhesive tape wrapped one-tenth stress cone, the recovery of conductor screen and insulation screen all adopts semiconductive adhesive tape wrapped, thus cable main structure is recovered completely.Recover the inner sheath of cable, insulation screen and cable jacket with adhesive waterproof tape and earth connection, armoring tape again, impaired circuit restores completely, can restore electricity, and ensure that cable repairing effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of cold shrink type joint of the utility model and compensating conductor cable repair structure;
Fig. 2 is the partial view of insulating barrier in a kind of cold shrink type joint of the utility model and compensating conductor cable repair structure.
In figure, 1-oversheath; 2-armouring; 3-inner sheath; 4-insulating barrier; 5-core; 6-shrinkage adapter body; 7-compensating conductor; 8-insulating cement; 9-copper mesh; 10-semiconductive adhesive tape; 11-conductor screen; 12-insulation screen; 13-stress cone.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of a kind of cold shrink type joint of reference shown in Fig. 1 and compensating conductor cable repair structure.A kind of cold shrink type joint and compensating conductor cable repair structure, comprise the cable to be repaired of more than two, shrinkage adapter body 6 and compensating conductor 7, described compensating conductor 7 crimps with the core 5 in described cable to be repaired and is connected, the outer surface of described compensating conductor 7 and core 5 is surrounded with semiconductive adhesive tape 10, and overlap with conductor screen 11, the lap of splice is no less than 10mm.The insulating barrier 4 of described cable to be repaired and insulation screen 12 disconnect position by described semiconductive adhesive tape 10 wrapped formation stress cone 13, insulating cement 8 is also surrounded with, wrapped semiconductive adhesive tape 10 and copper mesh 9 outside described shrinkage adapter body 6 outside described stress cone 13 and shrinkage adapter body 6.Described stress cone 13 overlaps with described insulating barrier 4 and is no less than 25mm, overlaps be no less than 30mm with described insulation screen 12.Described insulating cement 8 is J30 insulating cement.Described cable to be repaired comprises oversheath 1, armouring 2, inner sheath 3, insulation screen 12, described insulating barrier 4 and core 5 from outside to inside successively.
With reference to the partial view of insulating barrier in a kind of cold shrink type joint shown in Fig. 2 and compensating conductor cable repair structure.Also be provided with conductor screen 11 between described insulating barrier 4 and core 5, the junction of described insulating barrier 4 and conductor screen 11 is chamfering shape.Described insulating barrier 4 is evenly coated with and is brushed with silicone grease.Described shrinkage adapter body 6 is noted rubber by single insulating liquid glue and is formed.
In the utility model, the reparation step of a kind of cold shrink type joint and compensating conductor cable repair structure is as follows:
(1) by cable two ends alignment to be repaired, saw together, cleaning oversheath 1 surface, file finishing armouring 2 surface, 50 ~ 100mm oversheath 1 below stripping mouth and inner sheath 3 are polished coarse, be sure not during stripping insulation screen 12 to injure insulating barrier 4, the end of insulation screen 12 adopts cutter to cut in chamfering.
(2) according to design length excision insulating barrier 4, by instrument, insulating barrier 4 end is whittled into chamfering, exposes the conductor screen 11 of 2mm length.
(3) with fine sandpaper polishing insulating barrier 4 surface, the semiconductive particle that removing is residual.And be inserted in copper mesh 9 in insulating barrier 4 one end, be inserted in shrinkage adapter body 6 at the relative other end.
(4) compensating conductor 7 is carried out two ends with two cables to be repaired to crimp, corner angle on filing compensating conductor 7, burr, clean metal particulate, adopt semiconductive adhesive tape 10 half to put up the wrapped covering compensating conductor 7 of formula and with cable core screen 11 compact siro spinning technology at two ends, thus recover conductor screen 11, with cleaning towel cleaning insulating barrier 4 surface, after to be cleaned dose of drying on insulating barrier 4 uniform application silicone grease.
(5) directly over compensating conductor 7, shrinkage adapter body 6 is shunk, and overlap with cable insulation 4, erase unnecessary silicone grease, the gap semiconductive adhesive tape 10 of the insulating barrier 4 at two ends and insulation screen 12 carries out wrapped, form stress cone 13, and overlap with insulating barrier 4 and be no less than 25mm, overlap with insulation screen 12 and be no less than 30mm.
(6) stress cone 13 and shrinkage adapter body 6 is connected with insulating cement 8, should be closely wrapped during wrapped J30, can not air gap be left.
(7) overlap 5mm with semiconductive adhesive tape 10 and two ends insulation screen 12 and carry out wrapped covering shrinkage adapter body 6 and insulating cement 8 and stress cone 13, recover the insulation screen 12. of cable
(8) copper mesh 9 is pulled open, copper mesh 9 on the outer cover of the shrinkage adapter body 6 installed.
The conductor 7 that affords redress in cold shrink type joint and compensating conductor cable repair structure in the utility model recovers cable length, and the insulating barrier 4 of cable is recovered by shrinkage adapter body 6 (pure insulation homogenous material note rubber forms), insulation shield disconnecting unit potential electrical field is evacuated and is adopted the wrapped one-tenth stress cone 13 of semiconductive adhesive tape 10, the recovery of conductor screen and insulation screen 12 all adopts semiconductive adhesive tape 10 wrapped, thus cable main structure is recovered completely.Be with the inner sheath 3, insulation screen 12 and the cable jacket 1 that recover cable again with adhesive waterproof tape and earth connection, armouring 2, impaired circuit restores completely, can restore electricity, and ensures cable repairing effect.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. a cold shrink type joint and compensating conductor cable repair structure, it is characterized in that the cable to be repaired comprising more than two, shrinkage adapter body and compensating conductor, described compensating conductor crimps with the core in described cable to be repaired and is connected, the outer surface of described compensating conductor and core is surrounded with semiconductive adhesive tape, the insulating barrier of described cable to be repaired and insulation screen disconnect position by described semiconductive adhesive tape wrapped formation stress cone, also insulating cement is surrounded with outside described stress cone and shrinkage adapter body, wrapped semiconductive adhesive tape and copper mesh outside described shrinkage adapter body.
2. cold shrink type joint according to claim 1 and compensating conductor cable repair structure, is characterized in that described cable to be repaired comprises oversheath, armouring, inner sheath, insulation screen, described insulating barrier and core from outside to inside successively.
3. cold shrink type joint according to claim 1 and 2 and compensating conductor cable repair structure, is characterized in that also being provided with conductor screen between described insulating barrier and core, and the junction of described insulating barrier and conductor screen is chamfering shape.
4. cold shrink type joint according to claim 3 and compensating conductor cable repair structure, is characterized in that described insulating barrier is evenly coated with being brushed with silicone grease.
5. cold shrink type joint according to claim 1 and compensating conductor cable repair structure, is characterized in that described stress cone and described insulating barrier overlap and is no less than 25mm, overlap be no less than 30mm with described insulation screen.
6. cold shrink type joint according to claim 1 and compensating conductor cable repair structure, is characterized in that described insulating cement is J30 insulating cement.
7. cold shrink type joint according to claim 1 and compensating conductor cable repair structure, is characterized in that described shrinkage adapter body is noted rubber by single insulating liquid glue and formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521077681.8U CN205231701U (en) | 2015-12-21 | 2015-12-21 | Shrinkage formula connects and structure is restoreed to compensating conductor cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521077681.8U CN205231701U (en) | 2015-12-21 | 2015-12-21 | Shrinkage formula connects and structure is restoreed to compensating conductor cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205231701U true CN205231701U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521077681.8U Expired - Fee Related CN205231701U (en) | 2015-12-21 | 2015-12-21 | Shrinkage formula connects and structure is restoreed to compensating conductor cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205231701U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384977A (en) * | 2016-09-19 | 2017-02-08 | 国网天津市电力公司 | Repair method of single-phase fault of cross-linked polyethylene cable |
| CN107607213A (en) * | 2017-10-20 | 2018-01-19 | 浙江春晖仪表股份有限公司 | A kind of thermocouple that function is reinforced with antidetonation insulation |
-
2015
- 2015-12-21 CN CN201521077681.8U patent/CN205231701U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384977A (en) * | 2016-09-19 | 2017-02-08 | 国网天津市电力公司 | Repair method of single-phase fault of cross-linked polyethylene cable |
| CN107607213A (en) * | 2017-10-20 | 2018-01-19 | 浙江春晖仪表股份有限公司 | A kind of thermocouple that function is reinforced with antidetonation insulation |
| CN107607213B (en) * | 2017-10-20 | 2024-05-14 | 浙江春晖仪表股份有限公司 | Thermocouple with shock-resistant insulation reinforcement function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20181221 |