CN211150143U

CN211150143U - High-strength multi-twisted photoelectric composite cable

Info

Publication number: CN211150143U
Application number: CN202020023950.7U
Authority: CN
Inventors: 石学军
Original assignee: Anhui Honghai Cable Co ltd
Current assignee: Anhui Honghai Cable Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-07-31
Anticipated expiration: 2030-01-07

Abstract

The utility model discloses a many formula photoelectric composite cables of twisting of high strength, including wire unit, optical cable, tensile component, filling layer, non-woven fabrics layer, interior sheath, shielding layer, fire-retardant layer and outer jacket, the optical cable sets up at the filling layer middle part, is provided with a plurality of wire unit around the optical cable in the filling layer, the cladding of non-woven fabrics layer is in the filling layer outside, and the cladding of non-woven fabrics layer outside has interior sheath, the shielding layer sets up in the sheath outside, and the cladding of fire-retardant layer is in the shielding layer outside, and the outer jacket cladding is in the outside of fire-retardant layer. Through the transposition of a plurality of aluminium wire on the copper core, the layer of lacing up in the rethread is tightened it, again with a plurality of glass fiber rope transposition including on the layer of lacing up to tighten through the layer of lacing up outward, set up the insulating layer outside the layer of lacing up outward, constitute the wire unit from this, make the intensity of wire unit strengthen greatly, because the independent intensity of wire unit is higher, its self can act as tensile component, consequently the performance requirement to tensile component is lower.

Description

High-strength multi-twisted photoelectric composite cable

Technical Field

The utility model relates to a cable specifically is a many formula photoelectric cables that twists of high strength.

Background

The photoelectric composite cable is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and transmission copper wires, can solve the problems of broadband access, equipment power consumption and signal transmission, has higher performance requirements on the photoelectric composite cable in special environments such as automatic instruments, mines, hoisting machinery and the like, improves the strength of the cable by additionally arranging an armor layer, a tensile element and the like on the cable, but can lead to the over-thickness of the cable by the mode, thereby leading to the overlarge minimum bending radius of the cable, leading to the breakage of the wire due to the fact that the independent strength of the wire is not improved and the wire is easily deformed under pressure. Accordingly, a high strength multi-twisted photoelectric composite cable is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of Invention

An object of the utility model is to provide a many twists of formula photoelectricity composite cable of high strength to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a many formula photoelectricity composite cable of twisting of high strength, includes wire unit, optical cable, tensile component, filling layer, non-woven fabrics layer, interior sheath, shielding layer, fire-retardant layer and outer jacket, the optical cable sets up at the filling layer middle part, is provided with a plurality of wire unit around the optical cable in the filling layer, the cladding of non-woven fabrics layer is in the filling layer outside, and the cladding of non-woven fabrics layer outside has interior sheath, the sheath outside including the shielding layer sets up, and the cladding of fire-retardant layer is in the shielding layer outside, and the outer jacket cladding is in the outside of fire-retardant layer.

As a further aspect of the present invention: and a tensile element is arranged between the two adjacent lead units and is a nylon braided rope.

As a further aspect of the present invention: the wire unit comprises a copper core, an inner stranding layer, an inner tightening layer, an outer stranding layer, an outer tightening layer and an insulating layer, wherein the copper core is arranged in the middle of the inner stranding layer, the inner tightening layer is coated on the outer side of the inner stranding layer, the outer stranding layer is coated on the outer tightening layer, the outer tightening layer is coated on the outer side of the outer stranding layer, and the insulating layer is coated on the outer side of the outer stranding layer.

As a further aspect of the present invention: the optical cable includes optic fibre, dyed layer, optical cable filling layer, loose sleeve pipe of optical cable, optical cable armor and optical cable sheath, the optical cable filling layer is provided with in the loose sleeve pipe of optical cable, is provided with a plurality of optic fibre in the optical cable filling layer, and the optic fibre outside is provided with the dyed layer, the loose sleeve pipe of optical cable outside is provided with the optical cable armor, and the optical cable armor outside is provided with the optical cable sheath.

As a further aspect of the present invention: the inner stranded layer is formed by stranding a plurality of aluminum wires.

As a further aspect of the present invention: the outer stranded layer is formed by stranding a plurality of glass fiber ropes.

Compared with the prior art, the beneficial effects of the utility model are that: through the transposition of a plurality of aluminium wire on the copper core, the layer of tightening in the rethread is with it tighten, tighten the layer including a plurality of glass fiber rope transposition again, and tighten through the layer of tightening outward, the layer outside of tightening sets up the insulating layer outside outward, constitute the wire unit from this, make the intensity of wire unit strengthen greatly, because wire unit independent strength is higher, it can act as tensile component itself, consequently, lower to tensile component's performance requirement, save composite cable's whole space, and, use glass fiber cloth as the layer of tightening outward, the fire prevention of wire unit has been strengthened greatly, ageing-resistant, performance such as corrosion-resistant, be provided with independent armor in the optical cable, the intensity of multiplicable optical cable.

Drawings

Fig. 1 is a schematic structural diagram of a high-strength multi-stranded photoelectric composite cable.

Fig. 2 is a schematic structural diagram of a conductor unit in a high-strength multi-twisted photoelectric composite cable.

Fig. 3 is a schematic structural diagram of an optical cable in a high-strength multi-stranded photoelectric composite cable.

In the figure: 1-wire unit, 2-optical cable, 3-tensile element, 4-filling layer, 5-non-woven layer, 6-inner protective layer, 7-shielding layer, 8-flame retardant layer, 9-outer protective layer, 101-copper core, 102-inner stranded layer, 103-inner lacing layer, 104-outer stranded layer, 105-outer lacing layer, 106-insulating layer, 201-optical fiber, 202-coloring layer, 203-optical cable filling layer, 204-optical cable loose sleeve, 205-optical cable armor layer and 206-optical cable protective layer.

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 and 2, in an embodiment of the present invention, a high-strength multi-stranded photoelectric composite cable includes a plurality of lead units 1, an optical cable 2, a tensile member 3, a filling layer 4, a non-woven fabric layer 5, an inner sheath layer 6, a shielding layer 7, a flame retardant layer 8 and an outer sheath layer 9, the optical cable 2 is disposed in the middle of the filling layer 4, the plurality of lead units 1 are disposed in the filling layer 4 around the optical cable 2, the non-woven fabric layer 5 is covered outside the filling layer 4, the inner sheath layer 6 is covered outside the non-woven fabric layer 5, the shielding layer 7 is disposed outside the inner sheath layer 6, the flame retardant layer 8 is covered outside the shielding layer 7, the outer sheath layer 9 is covered outside the flame retardant layer 8, the tensile member 2 is disposed between two adjacent lead units 1, the tensile member 2 is a nylon braided rope, the tensile member 2 mainly acts to increase the tensile strength of the composite cable, the optical cable 2, so that the optical cable 2 can be better protected.

The wire unit 1 comprises a copper core 101, an inner stranded layer 102, an inner tightening layer 103, an outer stranded layer 104, an outer tightening layer 105 and an insulating layer 106, wherein the copper core 101 is arranged in the middle of the inner stranded layer 102, the inner tightening layer 103 is wrapped on the outer side of the inner stranded layer 102, the outer stranded layer 104 is wrapped on the outer side of the inner tightening layer 103, the outer tightening layer 105 is wrapped on the outer side of the outer stranded layer 104, the insulating layer 106 is wrapped on the outer side of the outer tightening layer 105, the inner stranded layer 102 is formed by twisting aluminum wires, and the outer stranded layer 104 is formed by twisting glass fiber ropes.

Optical cable 2 includes optic fibre 201, dyed layer 202, optical cable filling layer 203, optical cable loose tube 204, optical cable armor 205 and optical cable sheath 206, is provided with optical cable filling layer 203 in the optical cable loose tube 204, is provided with a plurality of optic fibre 201 in the optical cable filling layer 203, and the optic fibre 201 outside is provided with dyed layer 202, and the optical cable loose tube 204 outside is provided with optical cable armor 205, and the optical cable armor 205 outside is provided with optical cable sheath 206, and optical cable armor 205 can increase the intensity of optical cable.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a many formula photoelectricity composite cable of twisting of high strength, includes wire unit (1), optical cable (2), tensile component (3), filling layer (4), non-woven fabrics layer (5), interior sheath (6), shielding layer (7), fire-retardant layer (8) and outer jacket (9), its characterized in that, optical cable (2) set up in filling layer (4) middle part, are provided with a plurality of wire unit (1) around optical cable (2) in filling layer (4), non-woven fabrics layer (5) cladding is in the filling layer (4) outside, and non-woven fabrics layer (5) outside cladding has interior sheath (6), shielding layer (7) set up in the sheath (6) outside, and fire-retardant layer (8) cladding is in the shielding layer (7) outside, and outer jacket (9) cladding is in the outside of fire-retardant layer (8).

2. The high-strength multi-stranded photoelectric composite cable according to claim 1, wherein a tensile member (3) is disposed between two adjacent conductor units (1), and the tensile member (3) is a nylon braided rope.

3. A high strength multi-stranded photoelectric composite cable according to claim 1, wherein the conductor unit (1) comprises a copper core (101), an inner stranded layer (102), an inner tightening layer (103), an outer stranded layer (104), an outer tightening layer (105) and an insulating layer (106), the copper core (101) is disposed in the middle of the inner stranded layer (102), the inner tightening layer (103) is wrapped outside the inner stranded layer (102), the outer stranded layer (104) is wrapped outside the inner tightening layer (103), the outer tightening layer (105) is wrapped outside the outer stranded layer (104), and the insulating layer (106) is wrapped outside the outer tightening layer (105).

4. The high-strength multi-stranded photoelectric composite cable according to claim 1, wherein the optical cable (2) comprises an optical fiber (201), a coloring layer (202), an optical cable filling layer (203), an optical cable loose tube (204), an optical cable armor layer (205) and an optical cable protective layer (206), the optical cable filling layer (203) is arranged in the optical cable loose tube (204), a plurality of optical fibers (201) are arranged in the optical cable filling layer (203), the coloring layer (202) is arranged outside the optical fibers (201), the optical cable armor layer (205) is arranged outside the optical cable loose tube (204), and the optical cable protective layer (206) is arranged outside the optical cable armor layer (205).

5. A high strength multi-stranded photoelectric composite cable according to claim 3, wherein the inner stranded layer (102) is formed by stranding a plurality of aluminum wires.

6. A high strength multi-stranded photoelectric composite cable according to claim 3, wherein the outer stranded layer (104) is formed by stranding a plurality of glass fiber strands.