CN208093173U - A kind of reinforced coal mine variable-frequency soft rubber cable - Google Patents
A kind of reinforced coal mine variable-frequency soft rubber cable Download PDFInfo
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- CN208093173U CN208093173U CN201820374213.4U CN201820374213U CN208093173U CN 208093173 U CN208093173 U CN 208093173U CN 201820374213 U CN201820374213 U CN 201820374213U CN 208093173 U CN208093173 U CN 208093173U
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Abstract
The utility model discloses a kind of reinforced coal mine variable-frequency soft rubber cable, including three power wire cores and three neutral cores, three power wire cores and three neutral cores include the separation layer and insulating layer for being located at the conductor at middle part and being coated on outside conductor, by power wire core and neutral core is symmetrical is twisted into cable core, it is filled using rubber packing in cable core gap, wrapping layer is coated outside cable core, semi-conductive adhesive strap is coated outside wrapping layer, in semi-conductive adhesive strap outer braid shielded layer, its percentage of braiding coverage is 85%~96%, the extrude sheath layer outside shielded layer, restrictive coating is made of high fire-retardance haloflex rubber material.The utility model is reasonable for structure simple, manufactures and is easy, at low cost, but also has the characteristics that good insulation preformance, breakdown voltage height, strong antijamming capability.
Description
Technical field
The utility model is related to a kind of cable, specifically a kind of reinforced coal mine variable-frequency soft rubber cable.
Background technology
Currently, frequency-changing cable mainly use the 2nd in stranded conductor, crosslinked polyetylene insulated, the wrapped shielding of copper strips, polychlorostyrene second
The structure of alkene sheath.This kind of frequency-changing cable resist bending warping property is poor, is not suitable for small space and mobile occasion uses, Bu Nengman
The requirement of sufficient mine variable-frequency equipment and mobile frequency conversion equipment.In addition coal mine cable is to the flame retardant property of cable and long-term old
Change performance requirement is also more harsh, and common frequency-changing cable can not meet its requirement.
Utility model content
The purpose of this utility model is to provide a kind of reinforced coal mine variable-frequency soft rubber cable, which has anti-quiet
Be electrically coupled, anti-electromagnetic induction, reduce electromagnetic radiation, improve power supply quality, improve security of system, prolong the service life, is soft,
Bending radius is small, is convenient for the features such as laying installation.Suitable for rated voltage 1.9/3.3kV and following coal mine frequency conversion equipment to
And equipment, facility power etc..
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of reinforced coal mine variable-frequency soft rubber cable, including three power wire cores and three neutral cores, three dynamic
Line of force core and three neutral cores include the separation layer and insulating layer for being located at the conductor at middle part and being coated on outside conductor, will
Power wire core and neutral core are symmetrical to be twisted into cable core, and cable core gap is filled using rubber packing, wrapped outside cable core
Covering is covered, semi-conductive adhesive strap is coated outside wrapping layer, in semi-conductive adhesive strap outer braid shielded layer, braiding covering
Rate is 85%~96%, and the extrude sheath layer outside shielded layer, restrictive coating is made of high fire-retardance haloflex rubber material.
Preferably, the separation layer is formed using high temperature resistance polyester film.
Preferably, the insulating layer is made of high-strength ternary ethylene-propylene rubber material.
Preferably, the wrapping layer is formed using non-hygroscopic non-woven fabrics.
Preferably, the semi-conductive adhesive strap is close to the laying of shielded layer internal layer.
Preferably, the shielded layer is composed using tinned copper wire and aramid fiber.
The utility model has the beneficial effects that：
The utility model construction of cable is simple, be distributed symmetrically, product size is small, softness is superior, is set suitable for frequency conversion
Standby and small space mounting and installation, conductor use the 5th kind of flexible conductor structure, and synnema and multiple strand are all using left-hand structure, together
When shielded layer use braiding structure, also improved while ensureing the anti-electromagnetic induction of cable, antistatic coupling, reducing electronics laying
The flexibility of cable；The insulating materials of cable uses high-strength ternary ethylene-propylene rubber material, screening braid to use tin-coated copper
Silk and aramid fiber are composed, and semi-conductive adhesive strap is close to the laying of shielded layer internal layer, improves cable work intensity and adaptability,
It prevents cable short-circuit caused by friction, improves service life；Enhance the mechanical strength and tensile property of cable, also, aramid fiber
Fibre weight can gently reduce flexibility of the weight of cable without influencing cable.The restrictive coating of another aspect cable uses high fire-retardance
Haloflex rubber material can meet requirement of the mining equipment to flame retardant property while ensureing cable flexibility.
Description of the drawings
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the utility model structure diagram.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
As shown in Figure 1, the utility model provides a kind of reinforced coal mine variable-frequency soft rubber cable, including three power lines
Core 1 and three neutral cores 2, three power wire cores 1 and three neutral cores 2 include the conductor 12-1 and packet positioned at middle part
The separation layer 12-2 and insulating layer 12-3, the separation layer 12-2 overlayed on outside conductor 12-1 uses high temperature resistance polyester film group
At the insulating layer 12-3 is made of high-strength ternary ethylene-propylene rubber material, and power wire core 1 and neutral core 2 are symmetrically divided
Cloth is twisted into cable core, and cable core gap is filled using rubber packing 3, and wrapping layer 4 is coated outside cable core, and the wrapping layer 4 is adopted
It is formed with non-hygroscopic non-woven fabrics, semi-conductive adhesive strap 5 is coated outside wrapping layer 4, in 5 outer braid screen of semi-conductive adhesive strap
Layer 6 is covered, percentage of braiding coverage is 85%~96%, and the shielded layer 6 is composed using tinned copper wire and aramid fiber, is being shielded
6 outer extrude sheath layer 7 of layer is covered, restrictive coating 7 is made of high fire-retardance haloflex rubber material.
The semi-conductive adhesive strap 5 is close to the laying of 6 internal layer of shielded layer.
Comprehensive the technical solution of the utility model, the construction of cable is simple, be distributed symmetrically, product size is small, softness is excellent
More, it is suitable for the mounting and installation of frequency conversion equipment and small space, conductor uses the 5th kind of flexible conductor structure, and synnema and multiple strand are all
Using left-hand structure, while shielded layer 6 uses braiding structure, is ensureing the anti-electromagnetic induction of cable, antistatic coupling, is reducing electronics
The flexibility of cable is also improved while laying；The insulating layer 12-3 of cable uses high-strength ternary ethylene-propylene rubber material, screen
It covers layer 6 to be composed using tinned copper wire and aramid fiber, semi-conductive adhesive strap 5 is close to the laying of 6 internal layer of shielded layer, improves cable
Working strength and adaptability prevent cable short-circuit caused by friction, improve service life；Enhance mechanical strength and the drawing of cable
Stretch performance, also, flexibility of the light-weight weight for reducing cable of aramid fiber without influencing cable.Another aspect cable
Restrictive coating 7 can meet mining equipment to fire-retardant using high fire-retardance haloflex rubber material while ensureing cable flexibility
The requirement of performance.
Above-described the utility model embodiment does not constitute the restriction to scope of protection of the utility model, any
Modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc. should all be included in the utility model
Claims within.
Claims (6)
1. a kind of reinforced coal mine variable-frequency soft rubber cable, which is characterized in that including three power wire cores and three neutral conductors
Core, the neutral cores of three power wire cores and three include positioned at the conductor at middle part and the separation layer that is coated on outside conductor and
Insulating layer is twisted into cable core by power wire core and neutral core are symmetrical, and cable core gap is using the filling of rubber packing, in cable
Wrapping layer is coated outside core, and semi-conductive adhesive strap is coated outside wrapping layer, in semi-conductive adhesive strap outer braid shielded layer,
Percentage of braiding coverage is 85%~96%, and the extrude sheath layer outside shielded layer, restrictive coating uses high fire-retardance haloflex rubber material
Material is made.
2. reinforced coal mine variable-frequency soft rubber cable according to claim 1, which is characterized in that the separation layer uses
High temperature resistance polyester film forms.
3. reinforced coal mine variable-frequency soft rubber cable according to claim 1, which is characterized in that the insulating layer uses
High-strength ternary ethylene-propylene rubber material is made.
4. reinforced coal mine variable-frequency soft rubber cable according to claim 1, which is characterized in that the wrapping layer uses
Non-hygroscopic non-woven fabrics forms.
5. reinforced coal mine variable-frequency soft rubber cable according to claim 1, which is characterized in that the semiconductive adhesive plaster
Band is close to the laying of shielded layer internal layer.
6. reinforced coal mine variable-frequency soft rubber cable according to claim 1, which is characterized in that the shielded layer uses
Tinned copper wire and aramid fiber are composed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374213.4U CN208093173U (en) | 2018-03-20 | 2018-03-20 | A kind of reinforced coal mine variable-frequency soft rubber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374213.4U CN208093173U (en) | 2018-03-20 | 2018-03-20 | A kind of reinforced coal mine variable-frequency soft rubber cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208093173U true CN208093173U (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820374213.4U Active CN208093173U (en) | 2018-03-20 | 2018-03-20 | A kind of reinforced coal mine variable-frequency soft rubber cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114171248A (en) * | 2020-09-11 | 2022-03-11 | 中国石油天然气集团有限公司 | Cable structure and manufacturing method thereof |
-
2018
- 2018-03-20 CN CN201820374213.4U patent/CN208093173U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114171248A (en) * | 2020-09-11 | 2022-03-11 | 中国石油天然气集团有限公司 | Cable structure and manufacturing method thereof |
| CN114171248B (en) * | 2020-09-11 | 2024-03-26 | 中国石油天然气集团有限公司 | Cable structure and manufacturing method thereof |
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