CN206331806U - A kind of coal mine frequency conversion device flexible cable - Google Patents
A kind of coal mine frequency conversion device flexible cable Download PDFInfo
- Publication number
- CN206331806U CN206331806U CN201621432523.4U CN201621432523U CN206331806U CN 206331806 U CN206331806 U CN 206331806U CN 201621432523 U CN201621432523 U CN 201621432523U CN 206331806 U CN206331806 U CN 206331806U
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- Prior art keywords
- conductor
- gnd
- phase
- conversion device
- coal mine
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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 is related to a kind of coal mine frequency conversion device flexible cable, including by the gnd conductor and phase conductor of the stranded flexible structure of multiply tinned copper wire；It is provided with gnd conductor in ground wire aramid fiber reinforcing core, phase conductor and is provided with phase line aramid fiber reinforcing core；The outside cladding of gnd conductor is provided with semi-conductive layer, and the outside cladding of phase conductor is provided with ethylene propylene rubber insulated layer, and the outside cladding of ethylene propylene rubber insulated layer is provided with semi-conductive insulation shield layer；The quantity of gnd conductor and phase conductor is respectively three, and three gnd conductors are evenly distributed in the latasuture of three phase conductors；Gnd conductor and the mutually stranded composition cable core of phase conductor；The outside filling bag of cable core, which is covered, is equipped with low smoke and zero halogen rubber sheath, and the outside cladding of low smoke and zero halogen rubber sheath is provided with reinforced metal knitted screen layer, and the outside cladding of reinforced metal knitted screen layer is provided with low smoke and zero halogen rubber outer protection layer.Its combination property and flexible, it is adaptable to coal mine frequency conversion device.
Description
Technical field
The utility model belongs to field of cable technology, is related to a kind of coal mine frequency conversion device flexible cable.
Background technology
At present, the widely using in coal mining equipment due to frequency converter, harmonic current and electricity that frequency converter is produced
Magnetic disturbance, very big influence and harm, therefore coal mine frequency conversion device are caused to the line security operation under underground coal mine environment
Special-purpose assorted rubber sleeve flexible cable arise at the historic moment, and constantly in technical performance lifted development.Coal mine frequency conversion device is in high temperature, tide
Work, and moved back and forth with wanting high-frequency in the colliery tunnel of the adverse circumstances such as wet, rubble, its frequency converter spcific power connected
Cable will also be subjected to continually folding and unfolding, scroll movement, and cable is easier to the electric faults such as disconnected core occur, has influence on coal mining equipment
Normal work even causes electrical hazard.In addition, when underground coal mine electric fault occurs and causes fire, the colliery of prior art
Substantial amounts of poison gas is discharged with cable fire, life security and rapid evacuation to personnel in the pit cause great harm,
So the requirement such as higher low cigarette, Halogen, high fire-retardance is proposed with the underground such as cable electrical equipment material to coal mine frequency conversion device.
So coal mine frequency conversion device cable, will provide safety for coal mine frequency conversion device normal work, underground electrical safety
Reliable electric power safeguard, it is desirable to which it has anti-dragging, counter-bending, wear-resistant, high temperature resistant, humidity, corrosion-resistant, low cigarette, nothing
The features such as halogen, high fire-retardance.
The conventional coal mine frequency conversion device cable of prior art, the problem of existing is as follows：
(1) cable core of cable does not strengthen cored structure, causes cable under continually folding and unfolding, scroll movement, line easily occurs
The electric faults such as core fracture, or even the major accident burnt；
(2) rubber layer is protected outside cable can discharge a large amount of poison gas for jeopardizing human life's safety when fire burns, and
It is unfavorable for fast and safely withdrawing for personnel in the pit, it is impossible to meet the power supply to colliery downhole equipment and safety requirements；
For this reason, it may be necessary to a kind of soft electricity of coal mine frequency conversion device that can solve the problem that the above mentioned problem in the presence of prior art
Cable.
Utility model content
The utility model provides a kind of coal mine frequency conversion device flexible cable, solve in the presence of prior art continually
Under folding and unfolding, scroll movement, easily there is the electric faults such as core fracture, or even the major accident burnt, can be released when fire burns
Amplification quantity jeopardizes the poison gas of human life's safety, and is unfavorable for fast and safely withdrawing for personnel in the pit, it is impossible to meet to coal
The problems such as power supply of ore deposit underground equipment and safety requirements.
To achieve the above object, the utility model provides a kind of coal mine frequency conversion device flexible cable, including gnd conductor and
Phase conductor, gnd conductor and phase conductor are set to the stranded flexible structure of multiply tinned copper wire；Set in gnd conductor
It is equipped with ground wire aramid fiber reinforcing core, phase conductor and is provided with phase line aramid fiber reinforcing core；
Coated outside gnd conductor and is provided with semi-conductive layer, cladding is provided with ethylene propylene rubber insulated outside phase conductor
Layer, the outside cladding of ethylene propylene rubber insulated layer is provided with semi-conductive insulation shield layer；
The quantity of gnd conductor and phase conductor is respectively three, and three gnd conductors are evenly distributed on three phase conductors
Latasuture in；
Gnd conductor and the mutually stranded composition cable core of phase conductor；
The outside filling bag of cable core, which is covered, is equipped with low smoke and zero halogen rubber sheath, the outside bag of low smoke and zero halogen rubber sheath
Cover and be equipped with reinforced metal knitted screen layer, the outside cladding of reinforced metal knitted screen layer is provided with low smoke and zero halogen rubber
Outer jacket.
In above scheme preferably, gnd conductor is mutually stranded to be not more than 12 times of stranded lay ratio with phase conductor
Constitute cable core.
It may also be preferred that the outside dimension of gnd conductor is less than the outside dimension of phase conductor.
It may also be preferred that three phase conductors are symmetrically arranged with three gnd conductors using 3+3.
It may also be preferred that three gnd conductors are evenly distributed in the latasuture of three phase lines.
It may also be preferred that reinforced metal knitted screen layer mixes composition with tinned copper wire using zinc-coated wire.
Compared with prior art, the utility model has advantages below：
Coal mine frequency conversion device flexible cable of the present utility model, can solve the problem that continually receiving in the presence of prior art
Put, under scroll movement, the electric faults such as core fracture, or even the major accident burnt easily occur, can be discharged when fire burns
It is a large amount of to jeopardize the poison gas of human life's safety, and it is unfavorable for fast and safely withdrawing for personnel in the pit, it is impossible to meet to colliery
The problems such as power supply of underground equipment and safety requirements.It has excellent anti-dragging, counter-bending, wear-resistant, corrosion-resistant, weight
Gently, the features such as low cigarette, Halogen, high flame resistance, while having higher soft bending property, colliery change can be ideally suitable for
The particular job of frequency device and environmental requirement, its wide market, suitable for wide popularization and application.
Brief description of the drawings
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of coal mine frequency conversion device flexible cable of the present utility model.
In figure, 1 is gnd conductor, and 2 be ground wire aramid fiber reinforcing core, and 3 be semi-conductive layer, and 4 be phase conductor, and 5 be phase
Line aramid fiber reinforcing core, 6 be ethylene propylene rubber insulated layer, and 7 be insulation screen, and 8 be low smoke and zero halogen rubber sheath, and 9 be to add
The metal knitted screen layer of strong type, 10 be low smoke and zero halogen rubber outer protection layer.
Embodiment
In order to more fully understand the utility model, the utility model is explained in detail with reference to specific embodiment.
It is clear that it is new without departing from this practicality of appended claims with retrofiting different modifications can be carried out to the utility model
Type broader spirit and scope.Therefore, following examples have exemplary without the implication of limitation.
Embodiment：
A kind of coal mine frequency conversion device flexible cable, as shown in figure 1, including gnd conductor 1 and phase conductor 4, gnd conductor 1
The stranded flexible structure of multiply tinned copper wire is set to phase conductor 4；Ground wire aramid fiber is provided with gnd conductor 1
Phase line aramid fiber reinforcing core 5 is provided with strengthening core 2, phase conductor 4；
The outside cladding of gnd conductor 1 is provided with semi-conductive layer 3, and the outside cladding of phase conductor 4 is provided with EP rubbers
Insulating barrier 6, the outside cladding of ethylene propylene rubber insulated layer 6 is provided with semi-conductive insulation shield layer 7；
The quantity of gnd conductor 1 and phase conductor 4 is respectively three, and three gnd conductors 1 are evenly distributed on three phase lines
In the latasuture of conductor 4；
Gnd conductor 1 and the mutually stranded composition cable core of phase conductor 4；
The outside filling bag of cable core, which is covered, is equipped with low smoke and zero halogen rubber sheath 8, the outside of low smoke and zero halogen rubber sheath 8
Cladding is provided with reinforced metal knitted screen layer 9, and the outside cladding of reinforced metal knitted screen layer 9 is provided with low smoke and zero halogen
Rubber outer protection layer 10.
It can be seen that, gnd conductor 1 and phase conductor 4 are set to the stranded flexible structure of multiply tinned copper wire；Ground wire is led
It is provided with body 1 in ground wire aramid fiber reinforcing core 2, phase conductor 4 and is provided with phase line aramid fiber reinforcing core 5；Have core
There are high tensile strength, and lightweight, soft good bandability；Three gnd conductors 1 and three phase conductors 4 use 3+3 pairs
Claim distributed architecture；Low smoke and zero halogen rubber sheath 8, reinforced metal knitted screen layer 9 and low smoke and zero halogen rubber outer protection layer 10 are equal
Using advanced extrusion continuous vulcanization processing support, excellent low cigarette, Halogen, high flame-retardant property are respectively provided with, and high flexibility,
Wearability, moisture resistance, resistance to greasy dirt corrosive nature.
It is preferred that, gnd conductor 1 is with phase conductor 4 to be not more than 12 times of the mutually stranded composition cable core of stranded lay ratio.
It is preferred that, the outside dimension of gnd conductor 1 is less than the outside dimension of phase conductor 4.
It is preferred that, three phase conductors 4 are symmetrically arranged with three gnd conductors 1 using 3+3.
It is preferred that, three gnd conductors 1 are evenly distributed in the latasuture of three phase lines 4.
It is preferred that, reinforced metal knitted screen layer 9 mixes composition with tinned copper wire using zinc-coated wire.
Coal mine frequency conversion device flexible cable of the present utility model, its improve anti-dragging of cable, flexibility, bendability,
Nontoxic smokeless property, corrosion resistance, and improve the service life of cable.
Although various preferred embodiments and feature of the present utility model are described above, do not departing from
On the premise of the purpose of this utility model and objective, those of ordinary skill in the art can make many changes to the utility model
Change, supplement, change and delete.The detailed description done above in association with specific embodiment of the utility model, is not to this practicality
New limitation.It is every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, still belong to
In the scope of technical solutions of the utility model.
Claims (5)
1. a kind of coal mine frequency conversion device flexible cable, including gnd conductor (1) and phase conductor (4), it is characterised in that：Ground wire is led
Body (1) and phase conductor (4) are set to the stranded flexible structure of multiply tinned copper wire；It is provided with ground in gnd conductor (1)
Phase line aramid fiber reinforcing core (5) is provided with line aramid fiber reinforcing core (2), phase conductor (4)；
The outside cladding of gnd conductor (1) is provided with semi-conductive layer (3), and the outside cladding of phase conductor (4) is provided with the rubber of second third
Glue insulating barrier (6), the outside cladding of ethylene propylene rubber insulated layer (6) is provided with semi-conductive insulation shield layer (7)；
The quantity of gnd conductor (1) and phase conductor (4) is respectively three, and three gnd conductors (1) are evenly distributed on three phases
In the latasuture of line conductor (4)；
Gnd conductor (1) and the mutually stranded composition cable core of phase conductor (4)；
The outside filling bag of cable core, which is covered, is equipped with low smoke and zero halogen rubber sheath (8), the outside of low smoke and zero halogen rubber sheath (8)
Cladding is provided with reinforced metal knitted screen layer (9), and the outside cladding of reinforced metal knitted screen layer (9) is provided with low cigarette
Halide-free rubber outer jacket (10).
2. coal mine frequency conversion device flexible cable as claimed in claim 1, it is characterised in that：Gnd conductor (1) and phase conductor
(4) to be not more than 12 times of the mutually stranded composition cable core of stranded lay ratio.
3. coal mine frequency conversion device flexible cable as claimed in claim 2, it is characterised in that：The outside dimension of gnd conductor (1)
Less than the outside dimension of phase conductor (4).
4. coal mine frequency conversion device flexible cable as claimed in claim 1, it is characterised in that：Three phase conductors (4) with three
Gnd conductor (1) is symmetrically arranged using 3+3.
5. the coal mine frequency conversion device flexible cable as any one of claim 1-4, it is characterised in that：Reinforced metal is compiled
Knit screen layer (9) and composition is mixed with tinned copper wire using zinc-coated wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432523.4U CN206331806U (en) | 2016-12-23 | 2016-12-23 | A kind of coal mine frequency conversion device flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432523.4U CN206331806U (en) | 2016-12-23 | 2016-12-23 | A kind of coal mine frequency conversion device flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331806U true CN206331806U (en) | 2017-07-14 |
Family
ID=59293419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621432523.4U Expired - Fee Related CN206331806U (en) | 2016-12-23 | 2016-12-23 | A kind of coal mine frequency conversion device flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206331806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020000289B4 (en) | 2020-01-18 | 2023-06-01 | WKS-Industrievertretungen und Unternehmensberatung Wolfgang Kaufmann | Electrical system to increase protection against electric shock with new safety connection cables |
-
2016
- 2016-12-23 CN CN201621432523.4U patent/CN206331806U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020000289B4 (en) | 2020-01-18 | 2023-06-01 | WKS-Industrievertretungen und Unternehmensberatung Wolfgang Kaufmann | Electrical system to increase protection against electric shock with new safety connection cables |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170714 Termination date: 20211223 |