CN204792115U - Water environmental protection cable is prevented to aluminum alloy molded lines - Google Patents
Water environmental protection cable is prevented to aluminum alloy molded lines Download PDFInfo
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- CN204792115U CN204792115U CN201520550566.1U CN201520550566U CN204792115U CN 204792115 U CN204792115 U CN 204792115U CN 201520550566 U CN201520550566 U CN 201520550566U CN 204792115 U CN204792115 U CN 204792115U
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- aluminium alloy
- core
- environmental protection
- cable
- protection cable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses water environmental protection cable is prevented to aluminum alloy molded lines, including many thread cores, every thread core includes aluminum alloy conductor and the insulating layer of crowded package outside aluminum alloy conductor, many thread core transposition strandings, the stranding is equipped with the area that blocks water around the package outward, and package composite aluminium -plastic tape is indulged to the crowded package inner liner of the outband that blocks water, the outer embossing of inner liner, and composite aluminium -plastic tape is crowded package sheath outward, stranding and block water to fill between the area and have the waterproofing type gasket for packing. The utility model discloses the water environmental protection cable is prevented to aluminum alloy molded lines stranding around wrapping the area that blocks water, had both played the effect of tieing up the cable core outward, and the effectual moisture that has prevented is through vertically getting into the cable again, the inner liner is equipped with composite aluminium -plastic tape outward, and embossing improves the bendable curvature for the cable, and the effectual moisture that has stoped is through radially getting into the cable, through vertical and radial dual waterproof, very big improvement the waterproof performance of this cable.
Description
Technical field
The utility model belongs to field of cables, particularly a kind of aluminium alloy molded line water-proof environmental protection cable.
Background technology
For a long time, cross-linked polyethylene insulated cable is faced with a degradation of insulation problem, and namely so-called " water tree " problem, has caused the extensive concern of people." water tree " mainly to be occurred to the water in insulation by external penetration and develops under the effect of electric field.And at present about the research of the insulating material that " water tree " may be suppressed to be formed, its result is still failed satisfactory.In order to prevent the formation of " water tree ", exploitation waterproof cable is imperative.Along with the continuous minimizing of copper resource and each cable enterprise and institute continue to increase the exploitation dynamics to aluminium alloy cable, and the continuous accreditation in market, " with aluminium for copper " has become the ground zero that cable industry further develops at home.
Summary of the invention
The purpose of this utility model is the defect overcoming prior art, provides a kind of with low cost, the aluminium alloy molded line water-proof environmental protection cable that block-water performance is high.This cable is specially adapted to immersible pump, colliery, underwater operation, and the water treatment facilities such as scape light modulation in water, allow the long period to be laid in water environment.
For achieving the above object, the utility model have employed following technical scheme:
A kind of aluminium alloy molded line water-proof environmental protection cable, comprise many master cores, the insulating barrier 2 that every root master core comprises aluminium alloy conductor 1 and is extruded in outside aluminium alloy conductor 1, many master core twisted synthesizing cables, described stranding is wrapped is outward provided with waterstop 4, and extrude inner covering 5 outside waterstop 4, the outer embossing of inner covering 5 indulges alclad plastic composite strip 6, extrude sheath 7 outside aluminium-plastic tape 6, between described stranding and waterstop 4, be filled with waterproofing type gasket for packing 3.
Further, described aluminium alloy conductor 1 by many trapezoidal aluminium alloy core 1b from inside to outside layering press with one heart and be stranded in around circular aluminum alloy core core 1a, described trapezoidal aluminium alloy core 1b is at least 6 in the quantity of every one deck; The conglobate enclosed ring of trapezoidal aluminium alloy core 1b spread configuration on the same layer, be mutually close to setting, and the enclosed ring of each layer is arranged with one heart between the adjacent trapezoidal aluminium alloy core 1b on same layer around aluminum alloy core core 1a.
Further, the aluminum alloy core core 1a of described circle is made up of many fan-shaped aluminium alloy core 1c, described aluminium alloy conductor 1 by many trapezoidal aluminium alloy core 1b from inside to outside layering press with one heart and be stranded in around many fan-shaped aluminium alloy core 1c.
Further, described fan-shaped aluminium alloy core 1c is 4.
Further, the described trapezoidal aluminium alloy core 1b be stranded in outside aluminum alloy core core 1a that presses with one heart is two-layer.
Further, described master core is 3, and described 3 master cores are that triangular shape is mutually close between two and is evenly distributed in waterstop 4.
Further, described insulating barrier 2 is for being extruded in the crosslinked polyetylene insulated layer outside aluminium alloy conductor 1.
Further, described inner covering 5 is for being extruded in the polyethylene liner layer outside waterstop 4.
Further, described sheath 7 is for being extruded in the pe sheath outside aluminium-plastic tape 6.
Further, described aluminium alloy conductor 1 is that rare earth aluminium alloy bar is by extruding or draw the aluminum alloy core core 1a of annealing, the conductor that trapezoidal aluminium alloy core 1b and fan-shaped aluminium alloy core 1c is stranded.
The outer wrapped waterstop of the utility model aluminium alloy molded line water-proof environmental protection cable stranding, had both served the effect of tightening cable core, effectively prevented again moisture to pass through longitudinally to enter cable; Be provided with aluminium-plastic tape outside inner covering, embossing improves the bendable curvature in order to cable, effectively prevents moisture to enter cable by radial direction; By longitudinal and radial dual waterproof, greatly improve the water resistance of this cable.Aluminium alloy conductor adopt many trapezoidal aluminium alloy cores from inside to outside layering press with one heart and be stranded in around circular aluminum alloy core core, aluminium alloy monofilament presses stranded, compared with existing waterproof cable, its conductor structure is compact, and resistance to bend(ing) is good, press coefficient by 0.9 brought up to 0.93 and more than, both improve the effective rate of utilization of cross-sectional area of conductor, and reduced the external diameter of conductor, reduce cost, turn reduce monofilament gap, effectively prevent entering of moisture.Aluminium alloy conductor is that rare earth aluminium alloy bar is by extruding or draw aluminum alloy core core, trapezoidal aluminium alloy core and the fan-shaped aluminium alloy core of annealing.Insulating barrier is the crosslinked polyetylene insulated layer be extruded in outside aluminium alloy conductor.Inner covering is the polyethylene liner layer be extruded in outside waterstop.Sheath is the pe sheath extruded outside aluminium-plastic tape.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model aluminium alloy molded line water-proof environmental protection cable.
Embodiment
Below in conjunction with the embodiment that accompanying drawing 1 provides, further illustrate the embodiment of aluminium alloy molded line water-proof environmental protection cable of the present utility model.Aluminium alloy molded line water-proof environmental protection cable of the present utility model is not limited to the description of following examples.
As shown in Figure 1, the utility model aluminium alloy molded line water-proof environmental protection cable, comprises many master cores.The insulating barrier 2 that every root master core comprises aluminium alloy conductor 1 and is extruded in outside aluminium alloy conductor 1, many master core twisted synthesizing cables, described stranding is wrapped is outward provided with waterstop 4, extrudes inner covering 5 outside waterstop 4, extrude the outer embossing of inner covering 5 and indulge alclad plastic composite strip 6, outside aluminium-plastic tape 6, extrude sheath 7; Waterproofing type gasket for packing 3 is filled with between described stranding and waterstop 4.The outer wrapped waterstop of the utility model aluminium alloy molded line water-proof environmental protection cable stranding, had both served the effect of tightening cable core, effectively prevented again moisture to pass through longitudinally to enter cable; Be provided with aluminium-plastic tape outside inner covering, embossing improves the bendable curvature in order to cable, effectively prevents moisture to enter cable by radial direction; By longitudinal and radial dual waterproof, greatly improve the water resistance of this cable.
As shown in Figure 1, described aluminium alloy conductor 1 by many trapezoidal aluminium alloy core 1b from inside to outside layering press with one heart and be stranded in around circular aluminum alloy core core 1a, described trapezoidal aluminium alloy core 1b is at least 6 in the quantity of every one deck; The conglobate enclosed ring of trapezoidal aluminium alloy core 1b spread configuration on the same layer, be mutually close to setting, and the enclosed ring of each layer is arranged with one heart between the adjacent trapezoidal aluminium alloy core 1b on same layer around aluminum alloy core core 1a.Aluminium alloy conductor adopt many trapezoidal aluminium alloy cores from inside to outside layering press with one heart and be stranded in around circular aluminum alloy core core, aluminium alloy monofilament presses stranded, compared with existing waterproof cable, its conductor structure is compact, and resistance to bend(ing) is good, press coefficient by 0.9 brought up to 0.93 and more than, both improve the effective rate of utilization of cross-sectional area of conductor, and reduced the external diameter of conductor, reduce cost, turn reduce monofilament gap, effectively prevent entering of moisture.
As shown in Figure 1, the master core that in figure, embodiment provides is 3, and 3 master cores are that triangular shape is mutually close between two and is evenly distributed in waterstop 4, and master core also can be set to 2 or many.The aluminum alloy core core 1a of described circle is made up of many fan-shaped aluminium alloy core 1c, described aluminium alloy conductor 1 by many trapezoidal aluminium alloy core 1b from inside to outside layering press with one heart and be stranded in around many fan-shaped aluminium alloy core 1c.Described fan-shaped aluminium alloy core 1c is 4.Described aluminum alloy core core 1a also can be two semicircle fan-shaped aluminium alloy core 1c and forms.The described trapezoidal aluminium alloy core 1b be stranded in outside aluminum alloy core core 1a that presses with one heart is two-layer, certainly also can be set to multilayer.
Particularly, described aluminium alloy conductor 1 is that rare earth aluminium alloy bar is by extruding or draw the aluminum alloy core core 1a of annealing, the conductor that trapezoidal aluminium alloy core 1b and fan-shaped aluminium alloy core 1c is stranded.Described insulating barrier 2 is for being extruded in the crosslinked polyetylene insulated layer outside aluminium alloy conductor 1.Described inner covering 5 is for being extruded in the polyethylene liner layer outside waterstop 4, and described sheath 7 is the pe sheath extruded outside aluminium-plastic tape 6.
The following describes the concrete manufacture process of the utility model aluminium alloy molded line water-proof environmental protection cable.
First rare earth aluminium alloy bar is formed aluminum alloy core core 1a by extruding or draw annealing, trapezoidal aluminium alloy core 1b and fan-shaped aluminium alloy core 1c, four fan-shaped aluminium alloy core 1c spell conglobate aluminum alloy core core 1a, many trapezoidal aluminium alloy core 1b divide the two-layer surrounding's formation aluminium alloy conductor 1 pressing the aluminum alloy core core 1a being stranded in circle with one heart from inside to outside, the conglobate enclosed ring of trapezoidal aluminium alloy core 1b spread configuration on the same layer, mutually setting is close between adjacent trapezoidal aluminium alloy core 1b on same layer, and the enclosed ring of each layer is arranged with one heart around aluminum alloy core core 1a, aluminium alloy conductor adopt many trapezoidal aluminium alloy cores from inside to outside layering press with one heart and be stranded in around circular aluminum alloy core core, aluminium alloy monofilament presses stranded, compared with existing waterproof cable, its conductor structure is compact, resistance to bend(ing) is good, press coefficient by 0.9 brought up to 0.93 and more than, both improve the effective rate of utilization of cross-sectional area of conductor, reduce the external diameter of conductor, reduce cost, turn reduce monofilament gap, effectively prevent entering of moisture, the outer extruded insulation layer 2 of aluminium alloy conductor 1, insulating barrier 2 is for being extruded in the crosslinked polyetylene insulated layer outside aluminium alloy conductor 1, many master core twisted synthesizing cables, described stranding is wrapped is outward provided with waterstop 4, has both served the effect of tightening cable core, effectively prevents again moisture to pass through longitudinally to enter cable, extrude inner covering 5 outside waterstop 4, inner covering 5 extrudes inner covering 5 for the polyethylene liner layer be extruded in outside waterstop 4, the outer embossing of inner covering 5 indulges alclad plastic composite strip 6, is provided with aluminium-plastic tape 6 outside inner covering 5, and embossing improves the bendable curvature in order to cable, effectively prevents moisture to enter cable by radial direction, extrude sheath 7 outside aluminium-plastic tape 6, sheath 7 is the pe sheath extruded outside aluminium-plastic tape 6.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. an aluminium alloy molded line water-proof environmental protection cable, comprise many master cores, it is characterized in that: every root master core comprises aluminium alloy conductor (1) and is extruded in aluminium alloy conductor (1) insulating barrier outward (2), many master core twisted synthesizing cables, described stranding is wrapped is outward provided with waterstop (4), inner covering (5) is extruded outside waterstop (4), inner covering (5) outer embossing indulges alclad plastic composite strip (6), sheath (7) is extruded outside aluminium-plastic tape (6), waterproofing type gasket for packing (3) is filled with between described stranding and waterstop (4).
2. aluminium alloy molded line water-proof environmental protection cable according to claim 1, it is characterized in that: described aluminium alloy conductor (1) by many trapezoidal aluminium alloy cores (1b) from inside to outside layering press with one heart and be stranded in circular aluminum alloy core core (1a) around, described trapezoidal aluminium alloy core (1b) is at least 6 in the quantity of every one deck; The conglobate enclosed ring of trapezoidal aluminium alloy core (1b) spread configuration on the same layer, be positioned between the adjacent trapezoidal aluminium alloy core (1b) on same layer and be mutually close to setting, and the enclosed ring of each layer is arranged with one heart around aluminum alloy core core (1a).
3. aluminium alloy molded line water-proof environmental protection cable according to claim 2, it is characterized in that: the aluminum alloy core core (1a) of described circle is made up of many fan-shaped aluminium alloy cores (1c), described aluminium alloy conductor (1) by many trapezoidal aluminium alloy cores (1b) from inside to outside layering press with one heart and be stranded in many fan-shaped aluminium alloy cores (1c) around.
4. aluminium alloy molded line water-proof environmental protection cable according to claim 3, is characterized in that: described fan-shaped aluminium alloy core (1c) is 4.
5. aluminium alloy molded line water-proof environmental protection cable according to claim 2, is characterized in that: described pressing with one heart is stranded in aluminum alloy core core (1a) trapezoidal aluminium alloy core (1b) outward for two-layer.
6. aluminium alloy molded line water-proof environmental protection cable according to claim 1, is characterized in that: described master core is 3, and described 3 master cores are that triangular shape is mutually close between two and is evenly distributed in waterstop (4).
7. aluminium alloy molded line water-proof environmental protection cable according to claim 1, is characterized in that: described insulating barrier (2) is for being extruded in aluminium alloy conductor (1) crosslinked polyetylene insulated layer outward.
8. aluminium alloy molded line water-proof environmental protection cable according to claim 1, is characterized in that: described inner covering (5) is for being extruded in waterstop (4) polyethylene liner layer outward.
9. aluminium alloy molded line water-proof environmental protection cable according to claim 1, is characterized in that: described sheath (7) is for being extruded in aluminium-plastic tape (6) pe sheath outward.
10. aluminium alloy molded line water-proof environmental protection cable according to claim 1, it is characterized in that: described aluminium alloy conductor (1) for rare earth aluminium alloy bar is by extruding or draw the aluminum alloy core core (1a) of annealing, trapezoidal aluminium alloy core (1b) and the stranded conductor of fan-shaped aluminium alloy core (1c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520550566.1U CN204792115U (en) | 2015-07-23 | 2015-07-23 | Water environmental protection cable is prevented to aluminum alloy molded lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520550566.1U CN204792115U (en) | 2015-07-23 | 2015-07-23 | Water environmental protection cable is prevented to aluminum alloy molded lines |
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| Publication Number | Publication Date |
|---|---|
| CN204792115U true CN204792115U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520550566.1U Expired - Fee Related CN204792115U (en) | 2015-07-23 | 2015-07-23 | Water environmental protection cable is prevented to aluminum alloy molded lines |
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| CN (1) | CN204792115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491603A (en) * | 2019-09-09 | 2019-11-22 | 江苏亨通电力电缆有限公司 | A kind of production technology of insect-pest waterproof power cable |
-
2015
- 2015-07-23 CN CN201520550566.1U patent/CN204792115U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491603A (en) * | 2019-09-09 | 2019-11-22 | 江苏亨通电力电缆有限公司 | A kind of production technology of insect-pest waterproof power cable |
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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: 20151118 Termination date: 20200723 |