CN210805294U - Copper core crosslinked polyethylene insulation steel belt sheath power cable - Google Patents
Copper core crosslinked polyethylene insulation steel belt sheath power cable Download PDFInfo
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- CN210805294U CN210805294U CN201922363663.0U CN201922363663U CN210805294U CN 210805294 U CN210805294 U CN 210805294U CN 201922363663 U CN201922363663 U CN 201922363663U CN 210805294 U CN210805294 U CN 210805294U
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- outer protective
- sheath
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Abstract
The utility model discloses a copper core crosslinked polyethylene insulation steel band sheath power cable, including the outer protective sheath of polyethylene, a plurality of through-hole has been seted up to the outer protective sheath inner wall of polyethylene, and the outer protective sheath through-hole interpolation of polyethylene is equipped with first strengthening rib to the inside outer protective sheath filling layer that is equipped with of outer protective sheath of polyethylene, protective sheath in the inside a plurality of polyethylene that is equipped with of outer protective sheath filling layer, and outer protective sheath filling layer central point is equipped with interior protective sheath support bar, the inside spiral helicine second strengthening rib that is equipped with of protective sheath in the polyethylene, and the inside packing of protective sheath has copper cable protection layer in the polyethylene to inside copper cable that is equipped with of copper cable protection layer. This copper core crosslinked polyethylene insulation steel band sheath power cable is inside to be provided with bearing structure, avoids the inside wire intertwine's the condition to appear, improves the result of use of wire, and inside packing has fire-retardant material moreover, avoids the wire the condition of burning to appear.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be copper core crosslinked polyethylene insulation steel band sheath power cable.
Background
With the development of science and technology, the fields of industry and the like are also rapidly improved, and the use amount of the cable is increased, the cable is generally a cable which is similar to a rope and is formed by twisting at least two stranded wires in each group of a plurality of or a plurality of groups of wires, the wires in each group are mutually insulated and are usually twisted around a center, the whole outer surface is coated with a high-insulation covering layer, the types of the cable are various, the cable can be applied to different fields, and the use environments of the different fields are different, so that different requirements are also made on the cable.
The condition of burning appears very easily when current cable is at high temperature or conflagration breaks out, and the damage of cable epidermis can cause electric fire moreover, gives people and brings bigger loss, and the inside wire of power cable does not separate, all is that several wires strand forms, and when a plurality of wires formed an organic whole, the easy electric arc that produces causes the wire protective layer to break, and then causes electric leakage and short circuit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a copper core crosslinked polyethylene insulation steel band sheath power cable to when solving the cable high temperature that proposes in the background art or conflagration emergence, the condition of burning appears very easily, and power cable inside conductor all is that several wires are stranded to form simultaneously, produces electric arc easily, causes the cracked problem of wire protective layer.
In order to achieve the above object, the utility model provides a following technical scheme: copper core crosslinked polyethylene insulation steel band sheath power cable, including the outer protective sheath of polyethylene, a plurality of through-hole has been seted up to the outer protective sheath inner wall of polyethylene, and the outer protective sheath through-hole interpolation of polyethylene is equipped with first strengthening rib to the inside outer protective sheath filling layer that is equipped with of outer protective sheath, the inside protective sheath in a plurality of polyethylene that is equipped with of outer protective sheath filling layer, and outer protective sheath filling layer central point is equipped with interior protective sheath support bar, the inside spiral helicine second strengthening rib that is equipped with of protective sheath in the polyethylene, and the inside packing of protective sheath has copper cable protection layer in the polyethylene to inside being equipped with copper cable protection layer.
Preferably, the number of the first reinforcing ribs is at least two, the first reinforcing ribs are parallel to each other, and the first reinforcing ribs are uniformly distributed in the polyethylene outer protective sleeve.
Preferably, the outer protective sleeve filling layer is made of flame-retardant polypropylene.
Preferably, the inner protective sleeve support bar is located on the central line of the outer protective sleeve filling layer, the outer wall of the inner protective sleeve support bar is provided with three arc grooves, and the arc grooves of the inner protective sleeve support bar are attached to the surface of the polyethylene inner protective sleeve.
Preferably, the number of the polyethylene inner protective sleeves is at least three, and the polyethylene inner protective sleeves are uniformly distributed in the outer protective sleeve filling layer.
Preferably, the center line of the second reinforcing rib is in the same straight line with the center line of the polyethylene inner protective sleeve.
Compared with the prior art, the beneficial effects of the utility model are that: this copper core crosslinked polyethylene insulation steel band sheath power cable is inside to be provided with bearing structure, avoids the inside wire intertwine's the condition to appear, improves the result of use of wire, and inside packing has fire-retardant material moreover, avoids the wire the condition of burning to appear. The device's first strengthening rib plays the effect of consolidating polyethylene outer protective sheath, avoid polyethylene outer protective sheath to appear damaged condition, and the second strengthening rib plays the effect of consolidating protective sheath in the polyethylene, improve the intensity of protective sheath in the polyethylene, and outer protective sheath filling is in polyethylene outer protective sheath, play fire-retardant effect, avoid the device the condition of burning to appear, protective sheath can support through inner protective sheath support bar in the polyethylene simultaneously, protective sheath intertwine is in the same place in avoiding the polyethylene.
Drawings
FIG. 1 is a schematic structural view of a copper core crosslinked polyethylene insulated steel belt sheath power cable according to the present invention;
FIG. 2 is a side view of the outer polyethylene protective sheath of the copper core crosslinked polyethylene insulated steel belt sheath power cable of the present invention;
figure 3 is the utility model discloses protective sheath side view in copper core crosslinked polyethylene insulation steel band sheath power cable polyethylene.
In the figure: 1. polyethylene outer protective sheath, 2, first strengthening rib, 3, outer protective sheath filling layer, 4, interior protective sheath support bar, 5, polyethylene inner protective sheath, 6, second strengthening rib, 7, copper cable protection layer, 8, copper cable.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the power cable with the copper core crosslinked polyethylene insulated steel belt sheath comprises a polyethylene outer protective sleeve 1, wherein a plurality of through holes are formed in the inner wall of the polyethylene outer protective sleeve 1, first reinforcing ribs 2 are inserted into the through holes of the polyethylene outer protective sleeve 1, an outer protective sleeve filling layer 3 is arranged inside the polyethylene outer protective sleeve 1, at least 72 first reinforcing ribs 2 are arranged, the first reinforcing ribs 2 are mutually parallel, the first reinforcing ribs 2 are uniformly distributed in the polyethylene outer protective sleeve 1, the first reinforcing ribs 2 of the structure are uniformly distributed in the polyethylene outer protective sleeve 1, the strength of the polyethylene outer protective sleeve 1 is improved, the inner polyethylene protective sleeve 5 is prevented from being exposed when the polyethylene outer protective sleeve 1 is scratched, a plurality of inner polyethylene protective sleeves 5 are arranged inside the outer protective sleeve filling layer 3, and an inner protective sleeve 4 is arranged at the central part of the outer protective sleeve filling layer 3, the outer protective sleeve filling layer 3 is made of flame-retardant polypropylene, the outer protective sleeve filling layer 3 of the structure is not easy to burn, and has the functions of flame retardance and smoke suppression, the inner protective sleeve supporting strip 4 is positioned on the central line of the outer protective sleeve filling layer 3, three arc-shaped grooves are formed in the outer wall of the inner protective sleeve supporting strip 4, the arc-shaped grooves of the inner protective sleeve supporting strip 4 are attached to the surface of the polyethylene inner protective sleeve 5, the grooves in the outer wall of the inner protective sleeve supporting strip 4 of the structure play a role of supporting the polyethylene inner protective sleeve 5, the situation that the polyethylene inner protective sleeve 5 is mutually wound is avoided, the situation that the copper cable 8 inside the polyethylene inner protective sleeve 5 is wound to generate electric arcs is prevented, the spiral second reinforcing ribs 6 are arranged inside the polyethylene inner protective sleeve 5, the copper cable protective layer 7 is filled inside the polyethylene inner protective sleeve 5, and the copper cable 8 is, protective sheath 5 is equipped with threely at least in the polyethylene, and protective sheath 5 evenly distributed is in outer protective sheath filling layer 3 in the polyethylene of this structure, protective sheath 5 plays the effect of protection copper cable 8 in the polyethylene of this structure, can separate copper cable 8 alone, avoid copper cable 8 to contact each other together, the central line of protective sheath 5 is in same straight line in the central line of second strengthening rib 6 and the polyethylene, the second strengthening rib 6 of this structure plays the effect that increases protective sheath 5 intensity in the polyethylene, when protective sheath 5 surface appears damaged in avoiding the polyethylene, the inside copper cable 8 of protective sheath 5 exposes in the polyethylene, the effect of increase protection.
The working principle is as follows: when the copper core cross-linked polyethylene insulated steel belt sheathed power cable is used, the device is firstly arranged at a proper place, in the using process, the first reinforcing rib 2 plays a role in enhancing the strength of the polyethylene outer protective sleeve 1, so that the polyethylene inner protective sleeve 5 in the polyethylene outer protective sleeve 1 is prevented from being exposed when the surface of the polyethylene outer protective sleeve 1 is scratched, meanwhile, the outer protective sleeve filling layer 3 in the polyethylene outer protective sleeve 1 plays a role in flame retardance, so that the device is prevented from burning, and the inner protective sleeve supporting strip 4 in the outer protective sleeve filling layer 3 plays a role of supporting the polyethylene inner protective sleeve 5, so that the situation that the polyethylene inner protective sleeve 5 is mutually wound is avoided, and the copper cable protective layer 7 can adopt a filling rubber strip to transmit power through the copper cable 8, thereby completing a series of work.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. Copper core crosslinked polyethylene insulated steel belt sheath power cable, including polyethylene outer protective sheath (1), its characterized in that: a plurality of through-hole has been seted up to polyethylene outer protective sheath (1) inner wall, and polyethylene outer protective sheath (1) through-hole interpolation is equipped with first strengthening rib (2) to inside outer protective sheath filling layer (3) that is equipped with of polyethylene outer protective sheath (1), inside protective sheath (5) in a plurality of polyethylene that is equipped with of outer protective sheath filling layer (3), and outer protective sheath filling layer (3) central point is equipped with interior protective sheath support bar (4), inside spiral helicine second strengthening rib (6) that is equipped with of polyethylene inner protective sheath (5), and inside packing of polyethylene inner protective sheath (5) has copper cable protection layer (7) to inside copper cable protection layer (8) that is equipped with of copper cable protection layer (7).
2. The copper core crosslinked polyethylene insulated steel belt sheath power cable according to claim 1, characterized in that: the number of the first reinforcing ribs (2) is at least 72, the first reinforcing ribs (2) are parallel to each other, and the first reinforcing ribs (2) are uniformly distributed in the polyethylene outer protective sleeve (1).
3. The copper core crosslinked polyethylene insulated steel belt sheath power cable according to claim 1, characterized in that: the outer protective sleeve filling layer (3) is made of flame-retardant polypropylene.
4. The copper core crosslinked polyethylene insulated steel belt sheath power cable according to claim 1, characterized in that: interior protective sheath support bar (4) are located the central line of outer protective sheath filling layer (3), and interior protective sheath support bar (4) outer wall has seted up three arc recess to interior protective sheath support bar (4) arc recess laminating is on the surface of protective sheath (5) in the polyethylene.
5. The copper core crosslinked polyethylene insulated steel belt sheath power cable according to claim 1, characterized in that: the number of the polyethylene inner protective sleeves (5) is at least three, and the polyethylene inner protective sleeves (5) are uniformly distributed in the outer protective sleeve filling layer (3).
6. The copper core crosslinked polyethylene insulated steel belt sheath power cable according to claim 1, characterized in that: the central line of the second reinforcing rib (6) and the central line of the polyethylene inner protective sleeve (5) are positioned on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922363663.0U CN210805294U (en) | 2019-12-25 | 2019-12-25 | Copper core crosslinked polyethylene insulation steel belt sheath power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922363663.0U CN210805294U (en) | 2019-12-25 | 2019-12-25 | Copper core crosslinked polyethylene insulation steel belt sheath power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210805294U true CN210805294U (en) | 2020-06-19 |
Family
ID=71228834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922363663.0U Expired - Fee Related CN210805294U (en) | 2019-12-25 | 2019-12-25 | Copper core crosslinked polyethylene insulation steel belt sheath power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210805294U (en) |
-
2019
- 2019-12-25 CN CN201922363663.0U patent/CN210805294U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20200619 Termination date: 20211225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |