CN214505027U

CN214505027U - Microgravity photoelectric composite trailing cable

Info

Publication number: CN214505027U
Application number: CN202022954737.0U
Authority: CN
Inventors: 何元元; 计克云; 吴浩; 张少东; 许峰; 丁云春
Original assignee: Anhui Hongyuan Special Cable Group Co ltd
Current assignee: Anhui Hongyuan Special Cable Group Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-10-26
Anticipated expiration: 2030-12-11

Abstract

The utility model relates to a trailing cable technical field specifically discloses microgravity photoelectricity compounds trailing cable, including the optical fiber subassembly, first conductor and second conductor, the optical fiber subassembly includes multimode optic fibre, stainless steel pipe and protective sheath, multimode optic fibre passes through the seamless parcel of stainless steel pipe, the surface of stainless steel pipe is crowded to be wrapped up and is had the protective sheath, first conductor uses the center of optical fiber subassembly as the outside of original point annular equidistance distribution in protective sheath, optical fiber subassembly and first conductor constitute the cable core, the outside of cable core is equipped with first shielding layer, the outside fixed cover of first shielding layer has the elasticity cover, the second conductor uses the center of elasticity cover as original point annular equidistance distribution in the elasticity cover surface, the surface of second conductor is provided with the second shielding layer, be provided with the drainage line between second shielding layer and the second conductor, the surface of second shielding layer is crowded to be wrapped up and is had outer insulating sleeve; the utility model discloses possess advantages such as the stretch-proofing ability is good, the pliability is good, the quality is light.

Description

Microgravity photoelectric composite trailing cable

Technical Field

The utility model relates to a trailing cable technical field, concretely relates to microgravity photoelectricity is compound to be towed cable.

Background

The towline cable is a high-flexibility special cable which can move back and forth along with the towline and is not easy to wear, and is called the towline cable, and is generally called the towline cable and the tank chain cable.

At present, most microgravity photoelectric composite trailing cables are purchased from foreign countries, and only part of research and design is researched and developed at home; due to the national problems, the import of the cable is often limited, in addition, higher requirements are provided for the cable according to market demands, and the technical state of the imported cable is not updated all the time, so that the cable has wide market prospects in both military equipment and ocean engineering, can improve the product coverage and the industry competitiveness of companies by developing the product, and has the important significance of filling up the blank in China and breaking through foreign monopoly.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a microgravity photoelectricity is compound to be towed cable possesses advantages such as the stretch-proofing ability is good, the pliability is good, the quality is light.

The microgravity photoelectric composite trailing cable comprises an optical fiber component, a first conductor and a second conductor, wherein the optical fiber component comprises multimode optical fibers, a stainless steel pipe and a protective sleeve, the multimode optical fiber is seamlessly wrapped by a stainless steel tube, the surface of the stainless steel tube is extruded and wrapped with a protective sleeve, the first conductors are annularly distributed on the outer side of the protective sleeve at equal intervals by taking the center of the optical fiber assembly as an origin, the optical fiber assembly and the first conductor form a cable core, a first shielding layer is arranged outside the cable core, an elastic sleeve is fixedly sleeved outside the first shielding layer, the second conductors are annularly distributed on the surface of the elastic sleeve at equal intervals by taking the center of the elastic sleeve as an origin, a second shielding layer is arranged on the outer surface of the second conductor, and a drainage wire is arranged between the second shielding layer and the second conductor, and an outer insulating sleeve is extruded on the outer surface of the second shielding layer.

The utility model discloses a microgravity photoelectricity composite trailing cable, wherein first shielding layer and second shielding layer are woven by the tinned copper wire and are formed, and the surface of tinned copper wire is fixed with the aluminium foil wheat around the package and draws, and this structure sets up, has improved the holistic shielding property of this cable, reduces radiation hazard.

The utility model discloses a microgravity photoelectricity is compound pulls cable, wherein the protective sheath is made for crosslinked polyethylene plastics, and this structure setting has improved the holistic insulating properties of this cable, makes it carry out work under the high strength condition.

The utility model discloses a compound cable that drags of microgravity photoelectricity, wherein the drainage wire is tin-plated copper stranded conductor, and this structure setting has further improved the shielding protection performance of this cable.

The utility model discloses a microgravity photoelectricity is compound pulls cable, wherein the outer insulating cover is made for polyurethane, and this structure setting has guaranteed that the cable has good resistant dynamic bending performance, makes the cable receive and release the use repeatedly.

The utility model discloses a microgravity photoelectricity is compound to drag cable, wherein the front of elasticity cover uses the center of elasticity cover to offer the through-hole as original point annular equidistance, the back of through-hole runs through the back of elasticity cover, and this structure setting has increased the inside pliability of this cable, can avoid excessive extrusion deformation between first conductor and the second conductor.

The utility model discloses a microgravity photoelectricity is compound pulls cable, wherein the surface winding of second shielding layer has two-layer aramid fiber, and this structure setting has improved anti breaking force, and reduces the whole quality of cable, has ensured to continue to keep normal power transmission and signal transmission's stability under the bearing state.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the protective sleeve of the utility model adopts the crosslinked polyethylene with excellent electrical performance as the insulation of the strong current core wire, has excellent process structure design, so that the cable can meet the strong electric safety of 500V voltage in long-term use, the outer insulating sleeve is made of polyurethane material with low friction coefficient, the material has excellent seawater corrosion resistance, excellent wear resistance, better salt spray resistance and mould resistance, effectively improves the tensile strength of the microgravity photoelectric composite trailing cable by adopting aramid fiber as a reinforcing layer, improves the breaking resistance, and the overall quality of the cable is reduced, the stability of normal power transmission and signal transmission is ensured to be continuously maintained under the load-bearing state, through the elasticity cover that sets up, the through-hole that the cooperation elasticity cover openly set up has increased the inside pliability of this cable, can avoid excessive extrusion deformation between first conductor and the second conductor.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the optical fiber module of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the elastic sleeve of the present invention.

In the figure: 1. a multimode optical fiber; 2. a stainless steel tube; 3. a protective sleeve; 4. a first conductor; 5. a first shielding layer; 6. an elastic sleeve; 7. a through hole; 8. a second conductor; 9. a second shielding layer; 10. a drainage wire; 11. aramid fiber; 12. and an outer insulating sleeve.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, these physical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, the microgravity photoelectric composite trailing cable of the present invention includes an optical fiber assembly, a first conductor 4 and a second conductor 8, the optical fiber assembly includes a multimode optical fiber 1, stainless steel pipe 2 and protective sheath 3, multimode optical fiber 1 passes through the seamless parcel of stainless steel pipe 2, the crowded package in surface of stainless steel pipe 2 has protective sheath 3, first conductor 4 uses the center of optical fiber assembly to distribute in the outside of protective sheath 3 as initial point annular equidistance, the cable core is constituteed to optical fiber assembly and first conductor 4, the outside of cable core is equipped with first shielding layer 5, the fixed cover in outside of first shielding layer 5 has connect elasticity cover 6, second conductor 8 uses the center of elasticity cover 6 to distribute in elasticity cover 6 surface as initial point annular equidistance, the surface of second conductor 8 is provided with second shielding layer 9, be provided with drainage wire 10 between second shielding layer 9 and the second conductor 8, the crowded package of the surface of second shielding layer 9 has outer insulating sleeve 12.

First shielding layer 5 and second shielding layer 9 are woven by the tinned copper wire and are formed, and the surface of tinned copper wire is fixed with the aluminium foil wheat around the package and draws, and this structure setting has improved the holistic shielding property of this cable, reduces radiation hazard.

The protective sleeve 3 is made of cross-linked polyethylene plastic, and the structure arrangement improves the overall insulation performance of the cable, so that the cable can work under a high-strength condition.

The drainage wire 10 is a tinned copper stranded wire, and the structure arrangement further improves the shielding and protecting performance of the cable.

The outer insulating sleeve 12 is made of polyurethane, and the structure ensures that the cable has excellent dynamic bending resistance, so that the cable can be repeatedly wound and released for use.

Through holes 7 are formed in the front face of the elastic sleeve 6 at equal intervals in a ring mode by taking the center of the elastic sleeve 6 as an original point, and the back face of each through hole 7 penetrates through the back face of the elastic sleeve 6.

The outer surface of the second shielding layer 9 is wound with two layers of aramid fibers 11, and the structure arrangement improves the anti-breaking tension, reduces the overall quality of the cable, and ensures that the stability of normal power transmission and signal transmission is continuously kept under the bearing state.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. Microgravity photoelectricity is compound to be towed cable, including optic fibre subassembly, first conductor (4) and second conductor (8), its characterized in that: the optical fiber assembly comprises a multimode optical fiber (1), a stainless steel pipe (2) and a protective sleeve (3), the multimode optical fiber (1) is seamlessly wrapped by the stainless steel pipe (2), the surface of the stainless steel pipe (2) is extruded with the protective sleeve (3), the first conductor (4) is annularly and equidistantly distributed on the outer side of the protective sleeve (3) by taking the center of the optical fiber assembly as an origin, the optical fiber assembly and the first conductor (4) form a cable core, a first shielding layer (5) is arranged outside the cable core, an elastic sleeve (6) is fixedly sleeved outside the first shielding layer (5), the second conductor (8) is annularly and equidistantly distributed on the surface of the elastic sleeve (6) by taking the center of the elastic sleeve (6) as the origin, a second shielding layer (9) is arranged on the outer surface of the second conductor (8), and a drainage wire (10) is arranged between the second shielding layer (9) and the second conductor (8), and an outer insulating sleeve (12) is extruded on the outer surface of the second shielding layer (9).

2. The microgravity photoelectric composite trailing cable of claim 1, wherein: first shielding layer (5) and second shielding layer (9) are woven by the tinned copper wire and are formed, and the surface of tinned copper wire is fixed with the aluminium foil wheat around the package and is drawn.

3. The microgravity photoelectric composite trailing cable of claim 1, wherein: the protective sleeve (3) is made of cross-linked polyethylene plastic.

4. The microgravity photoelectric composite trailing cable of claim 1, wherein: the drainage wire (10) is a tinned copper stranded wire.

5. The microgravity photoelectric composite trailing cable of claim 1, wherein: the outer insulating sleeve (12) is made of polyurethane.

6. The microgravity photoelectric composite trailing cable of claim 1, wherein: the front surface of the elastic sleeve (6) is provided with through holes (7) at equal intervals in a ring shape by taking the center of the elastic sleeve (6) as an original point, and the back surface of each through hole (7) penetrates through the back surface of the elastic sleeve (6).

7. The microgravity photoelectric composite trailing cable of claim 1, wherein: and two layers of aramid fibers (11) are wound on the outer surface of the second shielding layer (9).