CN2660691Y - Bushing cable tap joint able to connect in-situ construction - Google Patents
Bushing cable tap joint able to connect in-situ construction Download PDFInfo
- Publication number
- CN2660691Y CN2660691Y CN 200320110576 CN200320110576U CN2660691Y CN 2660691 Y CN2660691 Y CN 2660691Y CN 200320110576 CN200320110576 CN 200320110576 CN 200320110576 U CN200320110576 U CN 200320110576U CN 2660691 Y CN2660691 Y CN 2660691Y
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- Prior art keywords
- cable
- branch
- sheath
- jacket
- contraction
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- Expired - Fee Related
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Abstract
The utility model discloses a nested cable-branch joint that can be connected at the construction site, comprising a main cable and the branch cable. A metal jacket is provided at the joint between the main cable and a branch cable; a contraction jacket nests the bare main-cable and the branch cable; one end of the contraction jacket, the jacket of the main cable and the jacket for the branch cable are sealed into one integrated body; the other end of the contraction jacket and the jacket for the main cable are sealed into one integrated body; a temperature-resistant and pressure-resistant insulating body is filled between the contraction jacket, the main cable and the branch cable. The utility model is capable to overcome the defect of the tradition format that cable joint of an existing branch cable have to be prefabricated at the plant, and the utility model can be connected at the construction site according to the actual position of the branch cable. Therefore, construction job is facilitated and costs are saved.
Description
Technical field
The utility model relates to a kind of cable connectors, specifically a kind of private cable branch joint.
Background technology
In supply of electric power, power supply department generally is by leader cable electric power to be delivered to building or used the scene, delivers to cable distribution box by the user by some branch cables again, delivers to distribution box from cable distribution box again and gives each power unit again.Must use cable branch joint at leader cable and each branch cable junction, the quality that branch joint connects directly has influence on the safety and the quality of power supply, in order to guarantee the quality of branch joint, the method that generally adopts is to carry out batch production production by cable factory or special factory according to the branch joint that needs on the every leader cable to connect at present, and there are the following problems for this method:
1, branch cable must be prefabricated in the factory.Cable factory or special factory measure every according to the distance between branch and be branched off into the distance of cable distribution box at the building site of must sending someone earlier, in factory, link to each other with leader cable earlier then according to the distance that respectively is branched off into cable distribution box, adopt the method for injection mo(u)lding that leader cable and branch cable are connected (being prefabricated branch cable) then, transport to the building site again and install.In a single day size, cross-sectional sizes are made after must determining by measurements and calculations between each branch, are easy to make mistakes, and make mistakes and will whole leader cable can't be worked orderly, even scrap.
2, the length of each branch cable is restricted, must just can deliver to through cable distribution box and use unit (distribution box), use unit (distribution box) and branch cable directly can't be delivered to, increased user cost on the one hand, also increased unsafe factor on the other hand.
3, in case after the cable that has a branch transports to the job site, can't adjust distance between branch according to the actual conditions at scene, bring very big inconvenience for construction adjustment.Both can't increase the quantity of branch, can't increase or dwindle the distance between branch again.More can't change the energising ability (promptly changing the sectional area of branch cable) of branch cable because of the adjustment of power load.
4, the user must arrive the producer's purchase that can produce cable and prefabricated branch simultaneously, selects product to make troubles to the user.
Summary of the invention
The purpose of this utility model is that design is a kind of can be according to the position of leader cable and branch cable and length, cross-sectional sizes, and cable branch joint that can on-the-spot connection must be prefabricated and the problem brought to solve existing cable branch joint.
The technical solution of the utility model is:
A kind of sleeve type cable branch joint that can connect at the construction field (site), comprise leader cable and branch cable, it is characterized in that being pressed with metallic sheath at leader cable core and branch cable core junction cover, shrinking sheath is sleeved on exposed the leader cable core and branch cable core, cold contraction that the one end employing sheath of contraction sheath itself is had or the material behavior of meeting thermal contraction are tightly connected with leader cable sheath and branch cable sheath respectively and are one, the other end that shrinks sheath also adopts cold contraction that sheath itself had or the material behavior of meeting thermal contraction and leader cable sheath to be tightly connected to be one, to be filled with heatproof between contraction sheath and leader cable and branch cable, withstand voltage insulator.The end that is shaped as that thermal contraction connects sheath is a cylindrical shape, and the other end is the tree fork-shaped.
The utility model has also been taked following technical measures:
1, on metallic sheath, is provided with impression.
2, heatproof, withstand voltage insulator can be silicon rubber, also can be resin.
The beneficial effects of the utility model:
1, thoroughly changes the way that traditional cable branch joint must be prefabricated in the factory, can save great amount of manpower and material resources.
2, be convenient to construction and construction adjustment, the position of branch joint can in time be adjusted according to on-the-spot needs, and the length of branch can be unrestricted, can save cable distribution box, reduces manufacturing cost.
3, the user to choose cable more flexible, the leeway of selection is bigger.
4, simple in structure, be connected firmly, safety, efficient and convenient, saved the prefabricated cycle of cable, can shorten the whole power construction cycle greatly.
5, manufacturing process is simple.
6, because of electricity consumption changes the size that can adjust the branch cable cross section, also can increase the quantity of branch cable.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
A kind of sleeve type cable branch joint that can connect at the construction field (site), comprise leader cable 1 and branch cable 2, it is characterized in that metallic sheath 5 being arranged at leader cable core 3 and branch cable core 4 junction glands, on metallic sheath, be provided with impression 10, shrinking sheath 6 is sleeved on exposed the leader cable core 3 and branch cable core 4, the cold contraction that the one end employing sheath of contraction sheath 6 itself is had or the material behavior of thermal contraction and leader cable sheath 7 and branch cable sheath 8 are tightly connected and are one, the other end that shrinks sheath 6 also adopts the material behavior of cold contraction that sheath itself had or thermal contraction and leader cable sheath 7 to be tightly connected to be one, between contraction sheath 6 and leader cable 1 and branch cable 2, be filled with heatproof insulator 9, heatproof insulator 9 can be silicon rubber, also can be resin.Heatproof, withstand voltage insulator 9 both contacted with leader cable core 3 and branch cable core 4, also contacted with leader cable sheath 7 and branch cable sheath 8.
Manufacturing of the present utility model and connection procedure are as follows:
Adopt the prefabricated contraction sheath 6 of method and the copper metallic sheath 5 of injection mo(u)lding.Contraction sheath 6 can adopt the material of the commercially available characteristic with cold contraction or chance thermal contraction, and shrinkage ratio can be up to more than 3 times; When adopting cold contraction, can be retracted to ideal effect automatically as long as pull out the core rope; As long as the heating tool of electricity consumption hot hair dryer and so on can reach satisfied contractive effect around it, can not rebound after tightening up during thermal contraction, this is that its material behavior determines, is that example is illustrated below with the thermal contraction.To shrink sheath 6 at the construction field (site) earlier is enclosed within on the leader cable 1, when connecting branch cable 2, should at first the sheath 8 on sheath on the leader cable 17 and the branch cable 2 be peeled off, expose leader cable core 3 and branch cable core 4, then branch cable core 4 is passed the branch cable sleeve pipe that shrinks on the sheath 6, again with leader cable core 3 and branch cable core 4 mutually and after put copper metallic sheath 5, with clamp copper metallic sheath 5 is clamped, leader cable core 3 is firmly linked to each other with branch cable core 4, also available powerful pressing tongs or hydraulic clamp press impression on copper metallic sheath 5, to strengthen bonding strength.To shrink sheath 6 cover then to the joint, and the length that guarantees to shrink sheath 6 can leave enough length and encases leader cable sheath 7 and branch cable sheath 8 when encasing cable core.Adopt then with hair dryer and heat, make and shrink sheath 6 and be tightly connected, make contraction sheath 6 and leader cable sheath 7 and branch cable sheath 8 be linked to be an integral body, reach the purpose of waterproof, slip-off preventing with leader cable sheath 7 and branch cable sheath 8 to shrinking sheath 6.Then from the other end of sheath inject can solidify rapidly, heatproof, withstand voltage insulator 9, insulator 9 can adopt silicon rubber or resin, treat that it solidifies after, will shrink sheath 6 heating with hair dryer again, leader cable sheath 7 is tightly connected with shrinking sheath 6, is linked to be an integral body.Insulator 9 not only plays heatproof, withstand voltage effect, also plays the effect of the bonding strength that strengthens sheath 6.So far branch cable 2 connections finish.Silicon rubber wherein or resin all can carry out the scene modulation by utilizing existing raw material, and very convenient, used modulation container is container commonly used.The length of branch cable 2 can cut earlier, also can wait to connect and cut off according to physical length after finishing again.
When shrinking sheath 6 and adopting cold shrink-down material to make, its method of attachment with leader cable 1 and branch cable 2 is to adopt the core rope that will be preset at contraction sheath 6 in advance to pull out can realize being tightly connected, and other and said process are identical.
Claims (3)
1, a kind of sleeve type cable branch joint that can connect at the construction field (site), comprise leader cable and branch cable, it is characterized in that metallic sheath being arranged at leader cable core and branch cable core junction gland, shrinking sheath is sleeved on exposed the leader cable core and branch cable core, an end that shrinks sheath is tightly connected with leader cable sheath and branch cable sheath respectively and is one, the other end that shrinks sheath is tightly connected with the leader cable sheath and is one, is filled with heatproof, withstand voltage insulator between contraction sheath and leader cable and branch cable.
2, the sleeve type cable branch joint that can connect at the construction field (site) according to claim 1 is characterized in that metallic sheath is provided with impression.
3, the sleeve type cable branch joint that can connect at the construction field (site) according to claim 1 is characterized in that heatproof, withstand voltage insulator can be silicon rubber, also can be resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320110576 CN2660691Y (en) | 2003-11-03 | 2003-11-03 | Bushing cable tap joint able to connect in-situ construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320110576 CN2660691Y (en) | 2003-11-03 | 2003-11-03 | Bushing cable tap joint able to connect in-situ construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2660691Y true CN2660691Y (en) | 2004-12-01 |
Family
ID=34343787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320110576 Expired - Fee Related CN2660691Y (en) | 2003-11-03 | 2003-11-03 | Bushing cable tap joint able to connect in-situ construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2660691Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895021A (en) * | 2010-06-03 | 2010-11-24 | 上海向开电气有限公司 | T-type connecting terminal |
| CN102737796A (en) * | 2012-07-10 | 2012-10-17 | 鞍山鲁丰电缆制造有限公司 | Pre-branch cable branch joint insulation sleeve |
| CN103123829A (en) * | 2013-03-13 | 2013-05-29 | 江苏东南电缆有限公司 | On-site manufacturing method for branch cable |
-
2003
- 2003-11-03 CN CN 200320110576 patent/CN2660691Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895021A (en) * | 2010-06-03 | 2010-11-24 | 上海向开电气有限公司 | T-type connecting terminal |
| CN101895021B (en) * | 2010-06-03 | 2012-05-30 | 上海向开电气有限公司 | T-type connecting terminal |
| CN102737796A (en) * | 2012-07-10 | 2012-10-17 | 鞍山鲁丰电缆制造有限公司 | Pre-branch cable branch joint insulation sleeve |
| CN103123829A (en) * | 2013-03-13 | 2013-05-29 | 江苏东南电缆有限公司 | On-site manufacturing method for branch cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |