CN203056527U - Cable traction head - Google Patents
Cable traction head Download PDFInfo
- Publication number
- CN203056527U CN203056527U CN 201320033453 CN201320033453U CN203056527U CN 203056527 U CN203056527 U CN 203056527U CN 201320033453 CN201320033453 CN 201320033453 CN 201320033453 U CN201320033453 U CN 201320033453U CN 203056527 U CN203056527 U CN 203056527U
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- Prior art keywords
- cable
- drawing head
- high strength
- head body
- aluminium
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- Expired - Fee Related
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Abstract
The utility model relates to a cable traction head. The cable traction head comprises a rippled aluminum sheath, a cable conductor, a high strength traction head body and a traction suspension ring screw, wherein a central portion of an inner hole of the high strength traction head body is mounted with a single-core high voltage cable conductor and is connected after hydraulic pressure, the cable conductor is externally sleeved by a cable insulation layer, an outer side of the cable insulation layer is sleeved by the rippled aluminum sheath, an inner surface of a heat-shrink tube is provided with a segment of an aluminum cover tube, one end of the aluminum cover tube is connected with the high strength traction head body, the other end of the aluminum cover tube is welded with the rippled aluminum sheath of a single-core high voltage cable through argon arc welding or gas welding. The cable traction head is advantaged in that problems of rupture and cracking of lead seal and water entry into an inner portion of the cable caused by over-large bending force or pulling force are solved, cable laying construction and use quality are effectively guaranteed, moreover, use of heavy metallic lead and expensive metallic tin is avoided in manufacturing, so resource and manufacturing cost are saved, and good economic and social benefits are generated for a cable manufacturer, a user and the society.
Description
Technical field
The utility model relates to the cable laying technology, relates in particular to a kind of cable drawing head.
Background technology
Cable can be divided into power cable, equipment with electric wire and communication cable etc. by its purposes, can be divided into oil-impregnated paper insulation, plastic insulation, rubber insulation, gas-insulated and novel cable etc. by its type of insulation.In electrical installation project, usually in the calling of 35kV and following electric pressure, low-voltage cable, and the cable of 110kV and above electric pressure is called high-tension cable.Existing cable laying construction plan generally need be considered factors such as the requirement of environmental condition, system of laying, power consumption equipment and product technology data, and the selection of power cable rated voltage is pressed the electric pressure of circuit and selected.In high pressure, extra-high-tension cable cable laying operation, how effectively to prevent from intaking when cable from laying in cable trough, be the long-term indeterminable problem of cable manufacturer.Traditional cable drawing head adopts steel more, melting the back with lead or tin links together cable and cable drawing head, reach the purpose of sealing and traction, because the corrugated aluminium sheath of single core high pressure, extra-high-tension cable is made of two kinds of different materials with the steel cable drawing head, this can cause lead sealing in use can not bear big pulling force, otherwise can cause the lead sealing cracking to come off; Thereby, when in the cable trough water being arranged, will cause the high-tension cable inner inlet, not only delay the duration but also influenced the quality of cable.At more than, need rationally improve prior art.
The utility model content
At above defective, the utility model provides a kind of in use can satisfy great tractive effort, and the cable drawing head of water inlet in can preventing from again using simultaneously is to solve many deficiencies of prior art.
For achieving the above object, the utility model is by the following technical solutions:
A kind of cable drawing head, comprise corrugated aluminium sheath, cable conductor, high strength drawing head body, traction hanging ring screw, high strength drawing head body outer end is provided with the traction hanging ring screw, this high strength drawing head body is arranged at heat-shrink tube inside, described high strength drawing head body endoporus centre cooperates the single-core high-voltage cable conductor of installation corresponding specification and by connecting behind the hydraulic pressure, is positioned at the evenly some burrs of distribution of this this external surface of high strength drawing head; Described cable conductor periphery is with cable insulation, this cable insulation outside is with the corrugated aluminium sheath, between heat-shrink tube and corrugated aluminium sheath, cable jacket is set, simultaneously, be positioned at the heat-shrink tube inner surface arrange one section aluminium vestlet and this aluminium vestlet wherein an end join by electrical cable aluminium sheath welding ring and high strength drawing head body.The described aluminium vestlet other end is by the corrugated aluminium sheath of argon arc welding or gas welding welding single-core high-voltage cable.
The beneficial effect of cable drawing head described in the utility model is: by drawing head aluminium vestlet and single-core high-voltage cable corrugated aluminium sheath are welded, compare with the drawing head of traditional employing lead seal structure, this drawing head in use can be avoided because of bending or problems such as the excessive lead sealing that causes of pulling force is broken, cracking, cable inner inlet, thereby effectively guarantees cable laying construction and service quality; Simultaneously, because adopting argon arc welding welding or the gas welding technology of aluminium, heavy metal lead and noble metal tin have been avoided in making the drawing head engineering, using, namely avoided metallic lead and metallic tin to the pollution of environment, saved resource again, also greatly reduce simultaneously the cost of manufacture of cable drawing head, to cable manufacturer, to the user, society is all had good economy and society benefit.
Description of drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the structural representation of the described cable drawing head of the utility model embodiment;
Fig. 2 is the drawing head body partial structurtes schematic diagram of the described cable drawing head of the utility model embodiment.
Among the figure: 1, corrugated aluminium sheath; 2, cable jacket; 3, heat-shrink tube; 4, cable insulation; 5, cable conductor; 6, electrical cable aluminium sheath welding ring; 7, aluminium vestlet; 8, high strength drawing head body; 9, traction hanging ring screw.
Embodiment
Shown in Fig. 1-2, the described cable drawing head of the utility model embodiment, comprise corrugated aluminium sheath 1, cable conductor 5, high strength drawing head body 8, traction hanging ring screw 9, single-core high-voltage cable conductor 5 and this high strength drawing head body 8 outer ends that corresponding specification is installed at described high strength drawing head body 8 lumen centers positions are provided with traction hanging ring screw 9, high strength drawing head body 8 wherein is arranged at heat-shrink tube 3 inside, is positioned at the evenly some burrs of distribution of these high strength drawing head body 8 outer surfaces; Described cable conductor 5 peripheries are with cable insulation 4, these cable insulation 4 outsides are with corrugated aluminium sheath 1, between heat-shrink tube 3 and corrugated aluminium sheath 1, cable jacket 2 is set, simultaneously, be positioned at heat-shrink tube 3 inner surfaces and one section aluminium vestlet 7 and this aluminium vestlet 7 two ends be set respectively by electrical cable aluminium sheath welding ring 6 and high strength drawing head body 8,3 corresponding joining of heat-shrink tube.During installation; divest single-core high-voltage cable insulating barrier 4 and cable external protection; expose the cable conductor 5 of respective length and the corrugated aluminium sheath 1 of respective length; and in the cable conductor 5 insertion conductor aluminium hydraulic pressed connecting pipe blind holes; by hydraulic tongs crimping 2-3 road; the needs of the maximum drawbar pull the when grip force after the crimping satisfies cable laying, aluminium vestlet 7 wherein cover the corrugated aluminium sheath 1 of single-core high-voltage cable and the corrugated aluminium sheath 1 of aluminium vestlet 7 and single-core high-voltage cable passes through pad argon arc welding or the gas welding sweating heat draw 3.
The described cable drawing head of above the utility model embodiment, as preferably, aluminium drawing head aluminium hydraulic pressed connecting pipe partly adopts high-strength aluminum alloy material, the tractive effort needs the when grip force after the crimping satisfies the high-tension cable cable laying operation; It is the extrusion molding pipe of 2.5mm-3.5mm that the aluminum pipe of described aluminium vestlet 7 adopts thickness, and adopts argon arc welding or gas welding and aluminium drawing head aluminium hydraulic pressed connecting pipe partly to be welded as a whole.
As shown in Figure 1, the described cable drawing head of the utility model embodiment, installation steps comprise:
1. according to physical dimension stripping cable ripple aluminium sheath 1 and the cable insulation 4 of drawing head;
2. will insert behind the cable conductor 5 end roundings in the aluminium alloy drawing head aluminium hydraulic pressed connecting pipe blind hole, conductor inserts length to ending by the hole, fully inserts;
3. the shaping limit center line of institute's confined pressure should be on same plane or straight line, the first road impression and the second road impression spacing are 10mm, the every crimping of pressing mold once, close up at pressing mold and should stop 10～15S after putting in place, make crimping position metal plastic deformation reach stable after, pressure could be eliminated, bad phenomenon such as virtual pressure can not be occurred;
4. the aluminium vestlet 7 that knocks the aluminium drawing head gently make it with cable ripple aluminium sheath 1 as far as possible docile, do not have a slit, regulate the output current of argon arc welding welding machine according to the thickness of cable ripple aluminium sheath 1, should accomplish that cable ripple aluminium sheath 1, drawing head aluminium vestlet 7 all fully melt and and welding rod is molten is one;
5. twine the layer 2-3 self-adhering-types filling tape that blocks water at high-strength aluminum alloy drawing head, corrugated aluminium sheath 1, cable jacket 2, make further water-proofing treatment, be inserted in heat-shrink tube 3, evenly heat with spray gun, make it good bond at above-mentioned position.
Above embodiment is more preferably embodiment a kind of of the utility model, and the common variation that those skilled in the art carry out in the technical program scope and replacing should be included in the protection range of the present utility model.
Claims (2)
1. cable drawing head, comprise corrugated aluminium sheath (1), cable conductor (5), high strength drawing head body (8), traction hanging ring screw (9), high strength drawing head body (8) outer end is provided with traction hanging ring screw (9), this high strength drawing head body (8) is arranged at heat-shrink tube (3) inside, it is characterized in that: the single-core high-voltage cable conductor (5) of corresponding specification cooperate is installed in described high strength drawing head body (8) endoporus centre, is positioned at this high strength drawing head body (8) outer surface some burrs that evenly distribute; Described cable conductor (5) periphery is with cable insulation (4), this cable insulation (4) outside is with corrugated aluminium sheath (1), be positioned between heat-shrink tube (3) and the corrugated aluminium sheath (1) cable jacket (2) is set, simultaneously, be positioned at heat-shrink tube (3) inner surface arrange one section aluminium vestlet (7) and this aluminium vestlet (7) wherein an end join by electrical cable aluminium sheath welding ring (6) and high strength drawing head body (8).
2. cable drawing head according to claim 1 is characterized in that: described aluminium vestlet (7) other end is by the corrugated aluminium sheath (1) of argon arc welding or gas welding welding single-core high-voltage cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033453 CN203056527U (en) | 2013-01-21 | 2013-01-21 | Cable traction head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033453 CN203056527U (en) | 2013-01-21 | 2013-01-21 | Cable traction head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203056527U true CN203056527U (en) | 2013-07-10 |
Family
ID=48739447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320033453 Expired - Fee Related CN203056527U (en) | 2013-01-21 | 2013-01-21 | Cable traction head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203056527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015039692A1 (en) * | 2013-09-20 | 2015-03-26 | Abb Technology Ltd | A connection arrangement and a method for connecting a pulling head to an end part of a cable |
| CN113471881A (en) * | 2021-07-13 | 2021-10-01 | 浙江万马股份有限公司 | Untwisting waterproof high-voltage cable traction head and preparation method thereof |
-
2013
- 2013-01-21 CN CN 201320033453 patent/CN203056527U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015039692A1 (en) * | 2013-09-20 | 2015-03-26 | Abb Technology Ltd | A connection arrangement and a method for connecting a pulling head to an end part of a cable |
| CN113471881A (en) * | 2021-07-13 | 2021-10-01 | 浙江万马股份有限公司 | Untwisting waterproof high-voltage cable traction head and preparation method thereof |
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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 |
Granted publication date: 20130710 Termination date: 20150121 |
|
| EXPY | Termination of patent right or utility model |