CN207264828U - Multicore crosslinked polyethylene low smoke and zero halogen power cable - Google Patents
Multicore crosslinked polyethylene low smoke and zero halogen power cable Download PDFInfo
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- CN207264828U CN207264828U CN201721004766.2U CN201721004766U CN207264828U CN 207264828 U CN207264828 U CN 207264828U CN 201721004766 U CN201721004766 U CN 201721004766U CN 207264828 U CN207264828 U CN 207264828U
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- sliding bar
- insulated wire
- bar
- wire cores
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Abstract
The utility model discloses a kind of multicore crosslinked polyethylene low smoke and zero halogen power cable, including polyolefin oversheath, the polyolefin oversheath is circular hollow structure, a circle lapping layer is bonded with the inner wall of the polyolefin oversheath, multiple insulated wire cores are equipped with the polyolefin oversheath, the insulated wire cores include conductor and the mica belt being extruded in successively outside conductor and crosslinked polyetylene insulated layer, anti-distortion mechanism is equipped between adjacent crosslinked polyetylene insulated layer, wherein anti-distortion mechanism includes bar shaped sliding bar and limited block, the bar shaped sliding bar is fixedly connected between two neighboring insulated wire cores, two sliding blocks are arranged with outside the bar shaped sliding bar, two mutually remote sides of the sliding block are equipped with spring, wherein spring pocket is arranged on the outside of bar shaped sliding bar.The utility model fire resistant flame retardant significant effect, while prevent from deforming, ageing-resistant, UV resistant and other irradiation behaviours greatly improve, and effectively improve the service life and use quality of cable.
Description
Technical field
It the utility model is related to technical field of electric wires and cables, more particularly to a kind of multicore crosslinked polyethylene low smoke and zero halogen electric power
Cable.
Background technology
Power cable is used primarily in hair, matches somebody with somebody, is defeated, becoming, the forceful electric power electric energy transmission in supply line, and the electric current passed through is big (several
Ten peaces are to several kilo-amperes), voltage it is high (220V to 500KV and more than).However, when fire occurs, cable is burnt quickly, at the same time also
Toxic gas is given out, great obstruction is brought to escape and rescue operation.Power cable also suffers from sunlight exposure at the same time
And make its oversheath that aging occur, seriously affect the service life of power cable.
In the prior art there is an urgent need for a kind of flame-retardant performance it is good, burning when produce toxic gas it is few, more long-lived
Multicore power cable with cross-linked polyethylene insulation.
Utility model content
The purpose of this utility model is to solve shortcoming existing in the prior art, and a kind of multicore crosslinking proposed is poly-
Ethene low smoke and zero halogen power cable.
To achieve these goals, the utility model employs following technical solution：
Multicore crosslinked polyethylene low smoke and zero halogen power cable, including polyolefin oversheath, the polyolefin oversheath are circle
Shape hollow-core construction, a circle lapping layer is bonded with the inner wall of the polyolefin oversheath, is equipped with the polyolefin oversheath more
A insulated wire cores, the insulated wire cores include conductor and the mica belt that is extruded in successively outside conductor and crosslinked polyetylene insulated
Layer, anti-distortion mechanism is equipped between adjacent crosslinked polyetylene insulated layer, wherein anti-distortion mechanism includes bar shaped sliding bar and limit
Position block, sliding bar and limited block are respectively multiple, and the bar shaped sliding bar is fixedly connected between two neighboring insulated wire cores, institute
State and be arranged with two sliding blocks outside bar shaped sliding bar, two mutually remote sides of the sliding block are equipped with spring, and wherein spring is arranged
It is fixedly connected with a slide block in the one end in the outside of bar shaped sliding bar, and spring, the other end of spring and crosslinked polyetylene insulated layer
It is fixedly connected, the limited block is fixed on the inner wall of lapping layer, and limited block is corresponding with bar shaped sliding bar, the limit
Position block is rotatably connected to two transfer levers close to the side of bar shaped sliding bar, and one end and the sliding block of the transfer levers are rotatablely connected.
Preferably, the quantity of the insulated wire cores is three, and wherein insulated wire cores contact with each other, and three insulated wire cores structures
Into triangular structure, sliding bar is fixedly connected between two neighboring insulated wire cores.
Preferably, the centre position of the sliding block offers circular hole, and the inner wall of circular hole is slidably connected with sliding bar.
Preferably, the limited block is semicircular structure, and limited block is bonded with sea on the side outer wall of sliding bar
Silk floss pad.
Preferably, the length of the sliding bar is more than the total length of two transfer levers.
The beneficial effects of the utility model are：By setting multigroup anti-distortion mechanism inside cable, existed using transfer levers
Band movable slider slidably reciprocates on bar shaped sliding bar under the action of elasticity, and exterior impact force is transferred to bar shaped sliding bar both sides
Insulated wire cores on, prevent the distortion of the cable, improve the use quality of cable；In addition four layers of flame-retardant layer are used, are respectively mica
Belt, crosslinked polyetylene insulated layer, lapping layer, polyolefin oversheath, have preferable fire resistant flame retardant effect, while are sent out in fire
When raw, rate of propagation is slow, and cigarette lacks visibility height, and pernicious gas burst size is small, is withdrawn easy to personnel.The letter of the utility model structure
Single, design is reasonable, fire resistant flame retardant significant effect, while prevents from deforming, and ageing-resistant, UV resistant and other irradiation behaviours carry significantly
Height, effectively improves the service life and use quality of cable.
Brief description of the drawings
Fig. 1 be the utility model proposes multicore crosslinked polyethylene low smoke and zero halogen power cable anatomy structure diagram；
Fig. 2 be the utility model proposes multicore crosslinked polyethylene low smoke and zero halogen power cable the signal of part detailed structure
Figure.
In figure：1 polyolefin oversheath, 2 lapping layers, 3 crosslinked polyetylene insulated layers, 4 mica belts, 5 conductors, 6 bar shapeds are slided
Lever, 7 sliding blocks, 8 springs, 9 limited blocks, 10 transfer levers.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
With reference to Fig. 1-2, multicore crosslinked polyethylene low smoke and zero halogen power cable, including polyolefin oversheath 1, polyolefin protect outside
Set 1 is circular hollow structure, and a circle lapping layer 2 is bonded with the inner wall of polyolefin oversheath 1, is equipped with polyolefin oversheath 1
Multiple insulated wire cores, insulated wire cores include conductor 5 and the mica belt 4 that is extruded in successively outside conductor 5 and crosslinked polyetylene insulated
Layer 3, is equipped with anti-distortion mechanism between adjacent crosslinked polyetylene insulated layer 3, wherein anti-distortion mechanism includes 6 He of bar shaped sliding bar
Limited block 9, sliding bar 6 and limited block 9 are respectively multiple, and bar shaped sliding bar 6 is fixedly connected between two neighboring insulated wire cores,
Two sliding blocks 7 are arranged with outside bar shaped sliding bar 6, two mutually remote sides of sliding block 7 are equipped with spring 8, and wherein spring 8 is sheathed on
The outside of bar shaped sliding bar 6, and one end of spring 8 is fixedly connected with sliding block 7, the other end of spring 8 with it is crosslinked polyetylene insulated
Layer 3 is fixedly connected, and limited block 9 is fixed on the inner wall of lapping layer 2, and limited block 9 is corresponding with bar shaped sliding bar 6, limit
Position block 9 is rotatably connected to two transfer levers 10 close to the side of bar shaped sliding bar 6, and one end of transfer levers 10 is rotated with sliding block 7 to be connected
Connect.
In the present embodiment, the quantity of insulated wire cores is three, and wherein insulated wire cores contact with each other, and three insulated wire cores structures
Into triangular structure, sliding bar 6 is fixedly connected between two neighboring insulated wire cores, and the centre position of sliding block 7 offers circular hole,
And the inner wall of circular hole is slidably connected with sliding bar 6, limited block 9 is semicircular structure, and limited block 9 is close to the side of sliding bar 6
Foam-rubber cushion is bonded with outer wall, the length of sliding bar 6 is more than the total length of two transfer levers 10.
In the present embodiment, in use, by setting multigroup anti-distortion mechanism inside cable, using transfer levers 10 in spring
Under 8 elastic reaction, band movable slider 7 slidably reciprocates on bar shaped sliding bar 6, and exterior impact force is transferred to bar shaped sliding bar
In the insulated wire cores on 6 both sides, the distortion of the cable is prevented, improve the use quality of cable；In addition four layers of flame-retardant layer are used, are respectively
Mica belt 4, crosslinked polyetylene insulated layer 3, lapping layer 2, polyolefin oversheath 1, have preferable fire resistant flame retardant effect, at the same time
When fire occurs, rate of propagation is slow, and cigarette lacks visibility height, and pernicious gas burst size is small, is withdrawn easy to personnel, low smoke halogen-free
Polyolefin oversheath may be such that the ageing-resistant of cable, UV resistant and other irradiation behaviours greatly improve, and effectively improve cable
Service life and use quality.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. multicore crosslinked polyethylene low smoke and zero halogen power cable, including polyolefin oversheath (1), it is characterised in that the polyene
Hydrocarbon oversheath (1) is circular hollow structure, and a circle lapping layer (2) is bonded with the inner wall of the polyolefin oversheath (1), described
Multiple insulated wire cores are equipped with polyolefin oversheath (1), the insulated wire cores include conductor (5) and are extruded in conductor (5) successively
Outer mica belt (4) and crosslinked polyetylene insulated layer (3), is equipped with anti-deformation between adjacent crosslinked polyetylene insulated layer (3)
Mechanism, wherein anti-distortion mechanism include bar shaped sliding bar (6) and limited block (9), and sliding bar (6) and limited block (9) are respectively more
A, the bar shaped sliding bar (6) is fixedly connected between two neighboring insulated wire cores, is arranged with outside the bar shaped sliding bar (6)
Two sliding blocks (7), two mutually remote sides of the sliding block (7) are equipped with spring (8), and wherein spring (8) is sheathed on bar shaped cunning
The outside of lever (6), and one end of spring (8) is fixedly connected with sliding block (7), the other end and crosslinked polyethylene of spring (8) are exhausted
Edge layer (3) is fixedly connected, and the limited block (9) is fixed on the inner wall of lapping layer (2), and limited block (9) is slided with bar shaped
Lever (6) is corresponding, and the limited block (9) is rotatably connected to two transfer levers (10), institute close to the side of bar shaped sliding bar (6)
The one end and sliding block (7) for stating transfer levers (10) are rotatablely connected.
2. multicore crosslinked polyethylene low smoke and zero halogen power cable according to claim 1, it is characterised in that the insulated wire
The quantity of core is three, and wherein insulated wire cores contact with each other, and three triangle structures of insulated wire cores, and sliding bar (6) is solid
Surely it is connected between two neighboring insulated wire cores.
3. multicore crosslinked polyethylene low smoke and zero halogen power cable according to claim 1, it is characterised in that the sliding block
(7) centre position offers circular hole, and the inner wall of circular hole is slidably connected with sliding bar (6).
4. multicore crosslinked polyethylene low smoke and zero halogen power cable according to claim 1, it is characterised in that the limited block
(9) it is semicircular structure, and limited block (9) is bonded with foam-rubber cushion on the side outer wall of sliding bar (6).
5. multicore crosslinked polyethylene low smoke and zero halogen power cable according to claim 1, it is characterised in that the sliding bar
(6) length is more than the total length of two transfer levers (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721004766.2U CN207264828U (en) | 2017-08-11 | 2017-08-11 | Multicore crosslinked polyethylene low smoke and zero halogen power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721004766.2U CN207264828U (en) | 2017-08-11 | 2017-08-11 | Multicore crosslinked polyethylene low smoke and zero halogen power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207264828U true CN207264828U (en) | 2018-04-20 |
Family
ID=61924730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721004766.2U Active CN207264828U (en) | 2017-08-11 | 2017-08-11 | Multicore crosslinked polyethylene low smoke and zero halogen power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207264828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166660A (en) * | 2018-09-13 | 2019-01-08 | 查正春 | A kind of preparation method and preparation method thereof of Specialty Hi-Fi cable and power supply line with single crystal Cu |
| CN112599295A (en) * | 2020-11-30 | 2021-04-02 | 安徽徽宁电器仪表集团有限公司 | Fireproof cable with cooling structure |
-
2017
- 2017-08-11 CN CN201721004766.2U patent/CN207264828U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166660A (en) * | 2018-09-13 | 2019-01-08 | 查正春 | A kind of preparation method and preparation method thereof of Specialty Hi-Fi cable and power supply line with single crystal Cu |
| CN112599295A (en) * | 2020-11-30 | 2021-04-02 | 安徽徽宁电器仪表集团有限公司 | Fireproof cable with cooling structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhong Haiming Inventor before: Huang Shaoqiu Inventor before: Huang Wencai |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180627 Address after: 524000 No. 8, Chang Cheng Road, Jiuzhou River Economic Development Zone, Lianjiang, Zhanjiang, Guangdong Patentee after: Long distance Cable Company Limited Address before: 524000 East Xinxing 60 street, Lianjiang, Zhanjiang, Guangdong Patentee before: Huang Shaoqiu |