CN207097521U - A kind of high-strength cable - Google Patents
A kind of high-strength cable Download PDFInfo
- Publication number
- CN207097521U CN207097521U CN201720985685.9U CN201720985685U CN207097521U CN 207097521 U CN207097521 U CN 207097521U CN 201720985685 U CN201720985685 U CN 201720985685U CN 207097521 U CN207097521 U CN 207097521U
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- China
- Prior art keywords
- insulating barrier
- coat
- strength cable
- aluminium foil
- winding slot
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Abstract
The utility model discloses a kind of high-strength cable, including guidewire body, the insulating barrier being wrapped on the outside of guidewire body, winding slot is offered on the insulating barrier, aluminium foil is provided with the winding slot and reinforces band, the aluminium foil is reinforced band and is spirally wrapped around on insulating barrier, back-up coat is provided with outside the insulating barrier, its drip irrigation device is that the intensity of the high-strength cable is higher, larger pressure can be born without being pulled off, and the high-strength cable is provided with waterproof layer and mica tape flame retardant coating, there is preferable waterproof and refractory ability.
Description
Technical field
Field of cable technology is the utility model is related to, more particularly to a kind of high-strength cable.
Background technology
In recent years, with the development of the social economy, power industry has penetrated into daily life suffers, electric wire is as electricity
The carrier of power transmission, has been widely used.Electric wire includes conductor and shell, although existing electric wire is imitated in waterproof
All substantially meet user's request on fruit, insulation effect and radiating effect, but the defects of certain in terms of resistance to compression being present.
Existing notification number is that CN203217999U Chinese patent discloses a kind of cable, including core, is set in core
Outside insulated hull, although the cable can transmit electric power, in the winter of cold, the particularly winter in the Northwest, by
It is very low in environment temperature, it may be frozen in Exterior cable, and the winter of the Northwest usually has the weather of heavy snow, snow
It may be accumulated above cable, this can increase the weight of cable, when cable strength is inadequate so that cable is drawn because overweight
It is disconnected, so as to influence the conveying of electric power.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of high-strength cable, the cable
Intensity it is higher, larger pressure can be born without being pulled off.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of high-strength cable,
Including guidewire body, the insulating barrier being wrapped on the outside of guidewire body, winding slot is offered on the insulating barrier, in the winding slot
It is provided with aluminium foil and reinforces band, the aluminium foil is reinforced band and is spirally wrapped around on insulating barrier, and reinforcing is provided with outside the insulating barrier
Layer.
Pass through above-mentioned technical proposal,, may be in Exterior cable knot because environment temperature is very low in the winter of cold
Ice, and the winter of the Northwest usually have the weather of heavy snow, snow may be accumulated above cable so that cable can be born
Larger pressure, therefore wind aluminium foil on the insulating layer and reinforce band to prevent cable is pressurized to be broken, but if aluminium foil reinforces band
Completely by insulating barrier be wrapped in may result in that cable is not flexible, influence the normal use of cable, therefore aluminium foil is reinforced band and needed
It is spirally wrapped around on insulating barrier, so can have both ensured that cable had enough intensity, ensures that cable is convenient and bend.Set
Back-up coat can further strengthen the intensity of cable so that cable can bear bigger ambient pressure and not broken, and reinforce
Layer can also prevent cable to be crushed to a certain extent.
Preferably, the back-up coat is formed by polypropylene fibre weaving, and the polypropylene fibre gap is filled with
High density polyethylene (HDPE).
Pass through above-mentioned technical proposal, polypropylene fibre are the synthetic fibers being formed by weaving using isotactic polypropylene as raw material, are gathered
Tacryl has the advantages that intensity is high, elasticity is good, wear-resisting, corrosion-resistant, tensile strength is high.High density polyethylene (HDPE) is ethene through poly-
A kind of thermoplastic resin made from conjunction, its electrical insulating property, impact resistance and cold tolerance are fine.Back-up coat is handed over by polypropylene fibre
Miscode to knit and form, polypropylene fibre gap is filled with high density polyethylene (HDPE), and the structure makes back-up coat intensity larger, is ensureing electricity
The intensity of cable is increased while cable flexibility so that cable can bear larger pressure and not broken, ensure that cable
Convenient bending, it is more convenient during use.
Preferably, the width of the winding slot is consistent with the width of aluminium foil reinforcing band, and the depth of the winding slot is more than aluminium
Paper tinsel reinforces the thickness of band, and the projection being embedded into winding slot is provided with the back-up coat inwall.
Pass through above-mentioned technical proposal, the width of winding slot is consistent with the width of aluminium foil reinforcing band, and aluminium foil is reinforced band and is embedded into
When in winding slot, aluminium foil is reinforced band and more smoothly can be arranged in winding slot, then aluminium foil is reinforced between band and insulating barrier and can tied
That closes is more close.Projection is embedded into winding slot so that is less prone to respect to slip, and can incite somebody to action between back-up coat and insulating barrier
Aluminium foil fixing band is pressed in winding slot.Using this mounting structure so that insulating barrier, aluminium foil are reinforced between band and back-up coat and tied
That closes is more close, reduces the installing space of three.
Preferably, screen layer is provided with outside the back-up coat, the screen layer is netted and woven by zinc-plated annealed copper
Form.
Pass through above-mentioned technical proposal, for electric power in transportation, the electric current passed through in cable is bigger, is had around electric current
Magnetic field, in order to not influence other element, addition screen layer can prevent the element in the external world from receiving interference to a certain extent.Screen layer
Certain ground protection effect can be played, if breakage occurs for conductor, the electric current leaked can flow into along screen layer
Grounded screen.
Preferably, some grooves, the groove are offered along the axial direction of the back-up coat on the back-up coat lateral wall
In be provided with nylon wire.
Pass through above-mentioned technical proposal, nylon wire are formed by nylon material yarn is twisted, and it has preferable tensile strength,
Nylon wire is placed can strengthen the tensile strength of cable in a groove so that the high-strength cable can bear larger pressure
Without being pulled off.
Preferably, sheath is provided with outside the screen layer, the material of the sheath is rubber.
Pass through above-mentioned technical proposal, the sheath of setting can protect the internal structure of the high-strength cable from ambient substance
Corrosion, sheath plays the protection and sealing function to the high-strength cable internal structure.The material of sheath is rubber, and rubber is
Insulator, it has good insulating properties, further prevents electric current from spilling.
Preferably, waterproof layer is provided between the screen layer and sheath, the material of the waterproof layer is high hydroscopic resin.
Pass through above-mentioned technical proposal, high hydroscopic resin are a kind of novel high polymer materials, and it has preferably water suction and protected
Outlet capacity, it, which can largely absorb moisture and can and maintains moisture, does not outflow, when occurring crack on sheath, the waterproof layer of setting
It can prevent water from entering in screen layer, back-up coat to a certain extent.
Preferably, it is provided with mica tape flame retardant coating between the waterproof layer and sheath.
Pass through above-mentioned technical proposal, mica tape are a kind of high performance mica insulation products, and it has excellent high temperature resistant
Performance and flame resistance energy, the mica tape flame retardant coating being arranged on enable the high-intensity shielding cable to have preferable fire resistance
Energy.
In summary, the utility model having the beneficial effect that in contrast to prior art：
1st, the intensity of the high-strength cable is higher, can bear larger pressure without being pulled off；
2nd, the high-strength cable is provided with waterproof layer and mica tape flame retardant coating, has preferable waterproof and refractory ability.
Brief description of the drawings
Fig. 1 is the half sectional view of embodiment, mainly protrudes the internal structure of the high-strength cable；
Fig. 2 is the explosive view of insulating barrier and back-up coat in embodiment；
Fig. 3 is the enlarged drawing at A in Fig. 1 of embodiment, and aluminium foil reinforcing band is pressed in winding slot by main prominent projection；
Fig. 4 is the explosive view of screen layer and waterproof layer, the structure of main prominent screen layer.
Reference：1st, guidewire body；2nd, insulating barrier；3rd, back-up coat；4th, screen layer；5th, waterproof layer；6th, mica tape fire resisting
Layer；7th, sheath；8th, winding slot；9th, aluminium foil reinforces band；10th, it is raised；11st, groove.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
As shown in figure 1, a kind of high-strength cable, is divided into guidewire body 1, insulating barrier 2, back-up coat 3, screen from inside to outside
Cover layer 4, waterproof layer 5, mica tape flame retardant coating 6, sheath 7.
Guidewire body 1 is that steel wire is twisted with copper wire, and insulating barrier 2 is made up of crosslinked polyethylene, its heat resistance and machine
Tool performance is all good, and current-carrying capacity is big, and insulating properties are preferable, insulating barrier 2 by guidewire body 1 it is fully wrapped around including.
As shown in Figures 2 and 3, winding slot 8 is offered on the lateral wall of insulating barrier 2, aluminium foil is provided with winding slot 8 and reinforces band
9, aluminium foil reinforce band 9 be spirally wrapped around on insulating barrier 2, if aluminium foil reinforce band 9 completely by insulating barrier 2 be wrapped in will
Cause cable not flexible, influence the normal use of cable, therefore aluminium foil is reinforced band 9 and need to be spirally wrapped around on insulating barrier 2,
It so can both ensure that cable had enough intensity, and ensure that cable is convenient and bend.
If directly aluminium foil reinforcing band 9 is wrapped on insulating barrier 2, when such back-up coat 3 is wrapped on insulating barrier 2, meeting
Gap is formed between insulating barrier 2 and back-up coat 3.Aluminium foil is reinforced band 9 and is embedded into winding slot 8, the width and aluminium foil of winding slot 8
It is consistent to reinforce the width of band 9, can so avoid gap between insulating barrier 2 and back-up coat 3 being present to a certain extent, and aluminium foil adds
It is Gu combinative more close between band 9 and insulating barrier 2.
As shown in figure 1, back-up coat 3 is wrapped in outside insulating barrier 2, back-up coat 3 is formed by polypropylene fibre weaving, poly- third
The space of alkene fiber is filled with high density polyethylene (HDPE).Polypropylene fibre is fine as the synthesis that raw material is formed by weaving using isotactic polypropylene
Dimension, polypropylene fibre have the advantages that intensity is high, elasticity is good, wear-resisting, corrosion-resistant, tensile strength is high.High density polyethylene (HDPE) is second
A kind of aggregated obtained thermoplastic resin of alkene, its electrical insulating property, impact resistance and cold tolerance are fine.
Back-up coat 3 is formed by polypropylene fibre weaving, and polypropylene fibre gap is filled with high density polyethylene (HDPE), should
Structure makes the intensity of back-up coat 3 larger, and the intensity of cable is increased while cable flexibility is ensured so that cable can bear compared with
Big pressure and it is not broken, ensuring that cable is convenient bends, more convenient during use.
As shown in figs. 1 and 3, back-up coat 3 is provided with the projection 10 being embedded into winding slot 8 on the inwall of insulating barrier 2,
Projection 10 is embedded into winding slot 8 so that relative slip is less prone between back-up coat 3 and insulating barrier 2, and can fix aluminium foil
Band is pressed in winding slot 8.Using this mounting structure so that insulating barrier 2, aluminium foil reinforce between band 9 and back-up coat 3 what is combined
It is more close, reduce the installing space of three.
As illustrated in fig. 1 and 2, fluted 11 are opened up along the axial direction of back-up coat 3 on the lateral wall of back-up coat 3, is set in groove 11
There is nylon wire, nylon wire is pressed in groove 11 by screen layer 4, and nylon wire, which is placed in groove 11, can further strengthen this
The tensile strength of high-strength cable.
As shown in figs. 1 and 4, screen layer 4 is wrapped in outside back-up coat 3, and screen layer 4 is netted and woven by zinc-plated annealed copper
Form, screen layer 4 can play certain ground protection effect, if breakage occurs for conductor, the electric current leaked can be suitable
Screen layer 4 and flow into grounded screen.
As shown in figure 1, waterproof layer 5 is wrapped in outside screen layer 4, the material of waterproof layer 5 is high hydroscopic resin, high hydroscopic resin
It is a kind of novel high polymer material, it has preferably water suction and water holding capacity, and it can largely absorb moisture and can and maintain
Moisture does not outflow, and when there is crack on sheath 7, the waterproof layer 5 of setting can prevent water from entering screen layer to a certain extent
4th, in back-up coat 3.
Mica tape flame retardant coating 6 is wrapped in outside waterproof layer 5, and mica tape is a kind of high performance mica insulation product, and it has
Excellent resistance to elevated temperatures and flame resistance energy, the mica tape flame retardant coating 6 being arranged on enable the high-intensity shielding cable to have
There is preferable fire resistance.
Sheath 7 is wrapped in outside mica tape flame retardant coating 6, and sheath 7 is quality of rubber materials, and sheath 7 can protect the internal junction of cable
For structure from the corrosion of ambient substance, sheath 7 plays the protection and sealing function to cable internal structure.
Described above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model
Enclose, the scope of protection of the utility model is determined by appended claim.
Claims (8)
1. a kind of high-strength cable, including guidewire body (1), the insulating barrier (2) that is wrapped on the outside of guidewire body (1), its feature
It is：Winding slot (8) is offered on the insulating barrier (2), aluminium foil is provided with the winding slot (8) and reinforces band (9), the aluminium foil
Reinforce band (9) to be spirally wrapped around on insulating barrier (2), back-up coat (3) is provided with outside the insulating barrier (2).
2. high-strength cable according to claim 1, it is characterized in that：The back-up coat (3) is staggeredly compiled by polypropylene fibre
Knit and form, the gap between polypropylene fibre is filled with high density polyethylene (HDPE).
3. high-strength cable according to claim 2, it is characterized in that：The width of the winding slot (8) reinforces band with aluminium foil
(9) width is consistent, and the depth of the winding slot (8) is more than the thickness that aluminium foil reinforces band (9), on back-up coat (3) inwall
It is provided with the projection (10) being embedded into winding slot (8).
4. high-strength cable according to claim 1, it is characterized in that：Screen layer (4) is provided with outside the back-up coat (3),
The screen layer (4) is netted and formed by the braiding of zinc-plated annealed copper.
5. high-strength cable according to claim 1, it is characterized in that：Along the reinforcing on back-up coat (3) lateral wall
The axial direction of layer (3) offers some grooves (11), and nylon wire is provided with the groove (11).
6. high-strength cable according to claim 4, it is characterized in that：Sheath (7), institute are provided with outside the screen layer (4)
The material for stating sheath (7) is rubber.
7. high-strength cable according to claim 6, it is characterized in that：It is provided between the screen layer (4) and sheath (7)
Waterproof layer (5), the material of the waterproof layer (5) is high hydroscopic resin.
8. high-strength cable according to claim 7, it is characterized in that：It is provided between the waterproof layer (5) and sheath (7)
Mica tape flame retardant coating (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720985685.9U CN207097521U (en) | 2017-08-08 | 2017-08-08 | A kind of high-strength cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720985685.9U CN207097521U (en) | 2017-08-08 | 2017-08-08 | A kind of high-strength cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207097521U true CN207097521U (en) | 2018-03-13 |
Family
ID=61544356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720985685.9U Expired - Fee Related CN207097521U (en) | 2017-08-08 | 2017-08-08 | A kind of high-strength cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207097521U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774254A (en) * | 2018-09-21 | 2019-05-21 | 北京星胜顺达汽车零部件有限公司 | Composite self-adhering water-proof coiled material |
| CN113871062A (en) * | 2021-11-16 | 2021-12-31 | 张家港特恩驰电缆有限公司 | Aluminum foil, cable with aluminum foil and cable boxing method |
-
2017
- 2017-08-08 CN CN201720985685.9U patent/CN207097521U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774254A (en) * | 2018-09-21 | 2019-05-21 | 北京星胜顺达汽车零部件有限公司 | Composite self-adhering water-proof coiled material |
| CN113871062A (en) * | 2021-11-16 | 2021-12-31 | 张家港特恩驰电缆有限公司 | Aluminum foil, cable with aluminum foil and cable boxing method |
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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: 20180313 Termination date: 20210808 |