CN101707342A - Cable head - Google Patents
Cable head Download PDFInfo
- Publication number
- CN101707342A CN101707342A CN200910185537A CN200910185537A CN101707342A CN 101707342 A CN101707342 A CN 101707342A CN 200910185537 A CN200910185537 A CN 200910185537A CN 200910185537 A CN200910185537 A CN 200910185537A CN 101707342 A CN101707342 A CN 101707342A
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- cable
- branch
- leader
- cable end
- lid
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Abstract
The invention relates to a cable head, comprising a main cable, a branch cable connected with the main cable, and two branch covers which are hollow and matched with each other; the two branch covers respectively cover the connection parts between the main cable and the branch cable; the cable head also comprises a mixture of RTV silicone rubber and coupling agent, which is solidified in the cavities of the branch covers, so as to form insulation at the connection parts. The cable head can realize accurate positioning, and errors at arrangement position and cable waste can be avoided; moreover, the tensile resistance of the cable head can be increased; and the humidity-resistance, corrosion-resistance, tightness and use reliability of the cable head can be improved.
Description
Technical field
The present invention relates to field of cables, refer in particular to a kind of cable end.
Background technology
Branch cable is to be used for power such as skyscraper, factory, commercial building, supermarket, square, illumination with 0.6/1kV and following electric line.Branch cable all is prefabricated in the factory basically, before making, must measure the size of main cable, branch cable, branch junction, but in the practical project installation process deviation can take place, prefabricated branch cable is difficult to change position dimension, the easy like this location of causing is inaccurate, produce branch cable length and actual deviation in plant design in addition, cause the cable waste, be unfavorable for saving.
In addition, branch cable design length in the plant produced prefabricated branch cable always greater than actual needs length, causes the waste of branch cable easily.Therefore, be necessary to design a kind of cable end of making according to needs in the site operation.
Summary of the invention
The objective of the invention is deficiency, a kind of cable end according to the needs field fabrication in the site operation is provided, can not accurately locate, installation site deviation, and problem such as waste cable to solve a present prefabricated branch cable branch position at above-mentioned existence.
The technical solution adopted for the present invention to solve the technical problems is: a kind of cable end, it comprises leader cable, the branch cable that is connected with leader cable, and branch two hollows and that cooperatively interact lid, leader cable and branch cable junction are stated in described two branch housing residences, described cable end also comprises the room temperature vulcanized silicone rubber and the mixture of coupling agent that is solidificated in the described branch lid die cavity, insulate thereby form in described junction.
Among the present invention, also comprise a folder that is connected in order to fixing described leader cable of crimping and branch cable.
Among the present invention, described connection folder be shaped as C shape.
Among the present invention, described branch covers and offers inlet.
Among the present invention, described two branches lid is to interconnect by screw.
Compared to prior art, cable end of the present invention can accurately be located, and the installation site can deviation, and can not waste cable; In addition, because leader cable, branch cable and connection cramping are one, the contact area of two cables is increased, stretching resistance strengthens greatly, and, because the on-the-spot mixture that cooperates with coupling agent of sulphurated siliastic is adopted in the insulation of the branch cable head junction of field fabrication, improved moisture resistance, corrosion resistance, sealing and the dependability of cable end.
Description of drawings
Fig. 1 is the cutaway view of a kind of cable end of the present invention.
Fig. 2 is the stereogram of a kind of cable end of the present invention.
Embodiment
As depicted in figs. 1 and 2, a kind of cable end of the present invention, it comprises leader cable 1, the branch cable 3 that is connected with leader cable 1, and branch two hollows and that cooperatively interact lid 5, and be solidificated in the room temperature vulcanized silicone rubber and the mixture 8 of coupling agent in the die cavity of this branch lid 5, thereby forming insulation in this junction. these two branches' lids 5 cover the junction of this leader cable 1 and branch cable 3. and this leader cable and branch cable are connected with C shape and press from both sides 4 crimping and fixes. and wherein a branch covers and offers inlet 52. these two branches on 5 to cover 5 joint portion 51 be to interconnect by screw.
The method of a kind of cable end of field fabrication the present invention comprises the steps: one, removes insulating sleeve: need the end of bifurcation and branch cable 3 to remove insulating sleeve 12,32 at leader cable 1; Two, leader cable 1 and branch cable 3 are connected in the junction: with the C of branch shape connect folder 4 with leader cable 1 and branch cable 3 in the junction crimping fix; Three, cover by branch's lid 5 of separable two PVC injection mo(u)ldings in the junction at leader cable 1 and branch cable 3, fixing in the joint portion 51 of these two branch's lids 5 by the screw combination; Four, with the pressure injection instrument the on-the-spot mixture 8 that cooperates with coupling agent of room temperature vulcanized silicone rubber is injected by in two branch's lid 5 die cavities of forming by the inlet on branch's lid 5 52, form insulation in the branch junction; Five, check errorless after with inlet 52 sealings, treat can drop into normal use after 24 hours.This sulphurated siliastic enriches die cavity on the one hand, plays the effect of fixing whole junction.
The branch of this PVC injection mo(u)lding covers 5 in factory's injection molding PVC CABLE MATERIALS injection mo(u)lding, and is hollow structure, and one of them or two branches cover on 5 and offer inlet 52; The branch junction makes: can adopt the making prefabricated branch cable to connect folder 4 with the C type on-the-spot insulation the in leader cable 1 and branch cable 3 junctions peeled off the back crimping.After completing, the junction of leader cable 1, branch cable 3 and leader cable 1, branch cable 3 original external sheath layers effectively are bonded to an integral body.
Compared with prior art, cable end of the present invention can accurately be located, and the installation site can deviation, and can not waste cable; In addition, because leader cable, branch cable and connection cramping are one, the contact area of two cables is increased, stretching resistance strengthens greatly, and because the on-the-spot mixture that cooperates with coupling agent of sulphurated siliastic is adopted in the insulation of the branch cable head junction of field fabrication, improve moisture resistance, corrosion resistance, sealing and the dependability of cable end, be more suitable for being used in sending in the electrical engineering of high-rise.
Therefore, compare, have following plurality of advantages with traditional cable end that is prefabricated in the factory:
1) the insulation processing expense of junction reduces significantly;
2) site operation is flexible, has eliminated the error on the pre-branch of the produce in factory head length degree size;
3) site operation cycle, time shorten in a large number;
4) site operation personnel, equipment reduce; Workmen's specification requirement condition reduces;
5) be not subjected to the space of job site, the restriction of environmental condition;
6) silicon rubber is adopted in the insulation of branch junction, and insulation property are superior, the reliability height;
7) have higher antidetonation, waterproof, fire resistance;
8) power supply safety, reliably, once effectively take up rate and can reach 100%;
9) applied widely, description is many;
10) user can select the cable of all size, model, cross section, length easily, arranges in pairs or groups arbitrarily as leader cable, branch cable;
11) has more intuitive attended operation.
With on-site manufacturing low-voltage branch cable head in middle and high layer building is example, and the procedural order of installation and construction is as follows:
1) suspension hook is installed in hangs on the crossbeam;
2) will hang crossbeam and be installed in the precalculated position;
3) in cable shaft or cable passage, press every 2m spacing of leader cable cross section≤300mm, the requirement of the every 1.5m spacing of 〉=400mm is fixed on support on the building;
4) finish when last three work, begin to lift by crane leader cable after errorless on inspection;
5) lift by crane and to hang head behind the precalculated position and be hung on the hook;
6) by the trend and the requirement of each branch cable on the design drawing, with cable clip leader cable is fastened on the support rapidly;
7), each branch cable head position leader cable is carried out line end cutting and branch line crimping by the design drawing requirement;
8) branch's lid and good with screw is installed in the branch junction;
9) with the pressure injection instrument the on-the-spot mixture that cooperates with coupling agent of room temperature vulcanized silicone rubber is covered in the die cavity of forming by two branches by the inlet injection, check and errorless inlet is sealed.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (5)
1. cable end, it comprises leader cable, the branch cable that is connected with leader cable, and branch two hollows and that cooperatively interact lid, leader cable and branch cable junction are stated in described two branch housing residences, it is characterized in that: described cable end also comprises the room temperature vulcanized silicone rubber that is solidificated in the described branch lid die cavity and the mixture of coupling agent.
2. a kind of cable end according to claim 1 is characterized in that: also comprise a folder that is connected in order to fixing described leader cable of crimping and branch cable.
3. a kind of cable end according to claim 2 is characterized in that: described connection folder be shaped as C shape.
4. a kind of cable end according to claim 1 is characterized in that: described branch covers and offers inlet.
5. a kind of cable end according to claim 1 is characterized in that: described two branches lid is to interconnect by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910185537A CN101707342A (en) | 2009-11-17 | 2009-11-17 | Cable head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910185537A CN101707342A (en) | 2009-11-17 | 2009-11-17 | Cable head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101707342A true CN101707342A (en) | 2010-05-12 |
Family
ID=42377544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910185537A Pending CN101707342A (en) | 2009-11-17 | 2009-11-17 | Cable head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101707342A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208794A (en) * | 2011-03-23 | 2011-10-05 | 上海永锦电力电器有限公司 | Online monitoring dry type cable terminal with composite external casing and on-site assembling method thereof |
| CN103165232A (en) * | 2011-12-16 | 2013-06-19 | 上海市高桥电缆厂有限公司 | Mineral insulating fire-resistant branch cable |
| CN106448947A (en) * | 2016-09-27 | 2017-02-22 | 湖北省超能超高压电力科技开发有限公司 | Method for improving effective distance of air gap of transmission line |
| CN115706397A (en) * | 2021-08-12 | 2023-02-17 | 中国石油天然气集团有限公司 | Preparation method of underground cable head and underground cable head |
| CN115706397B (en) * | 2021-08-12 | 2024-05-28 | 中国石油天然气集团有限公司 | Preparation method of underground cable head and underground cable head |
-
2009
- 2009-11-17 CN CN200910185537A patent/CN101707342A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208794A (en) * | 2011-03-23 | 2011-10-05 | 上海永锦电力电器有限公司 | Online monitoring dry type cable terminal with composite external casing and on-site assembling method thereof |
| CN103165232A (en) * | 2011-12-16 | 2013-06-19 | 上海市高桥电缆厂有限公司 | Mineral insulating fire-resistant branch cable |
| CN106448947A (en) * | 2016-09-27 | 2017-02-22 | 湖北省超能超高压电力科技开发有限公司 | Method for improving effective distance of air gap of transmission line |
| CN106448947B (en) * | 2016-09-27 | 2017-12-29 | 湖北省超能超高压电力科技开发有限公司 | A kind of method for improving transmission line of electricity the air gap coverage |
| CN115706397A (en) * | 2021-08-12 | 2023-02-17 | 中国石油天然气集团有限公司 | Preparation method of underground cable head and underground cable head |
| CN115706397B (en) * | 2021-08-12 | 2024-05-28 | 中国石油天然气集团有限公司 | Preparation method of underground cable head and underground cable head |
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| PB01 | Publication | ||
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Open date: 20100512 |