CN215118436U - Watertight photoelectric composite towing cable - Google Patents

Abstract

The utility model relates to a watertight photoelectricity composite towing line, including optic fibre, the outside cladding of optic fibre has the optical fiber shielding layer, the optical fiber shielding layer circumference is evenly around being provided with many conductors, every the equal cladding of conductor surface has conductor insulation layer, has the watertight sheath around the cladding in all conductor insulation layer's outside, fill the watertight filler between watertight sheath and the optical fiber shielding layer, watertight sheath outside cladding has the armor more than the one deck. The utility model is suitable for a pull the detection field under water, satisfy active source, photoelectric signal, image, remote control requirement, can receive and release and pull repeatedly, have better bearing capacity.

Description

Watertight photoelectric composite towing cable

Technical Field

The utility model relates to a watertight photoelectricity composite towing cable belongs to the technical field of special cable.

Background

The watertight cable has radial and longitudinal waterproof and water-blocking performances and can normally work under the condition of water depth of 0-300 meters; the paint has the special performances of cold resistance (-40-80 ℃), ultraviolet resistance, flexibility, wear resistance, tensile resistance, oil resistance and the like, and can be widely applied to national defense, scientific research, military industry and ocean industry, such as detection and exploration equipment of measuring boats, submergence vehicles, sonar arrays and the like. However, the existing watertight cable is not suitable for repeated underwater retraction and dragging, the bearing capacity of the existing watertight cable cannot meet specific requirements, and the internal stable transmission performance needs to be kept unchanged in the dragging process.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a watertight photoelectricity composite towing cable, its concrete technical scheme is as follows:

the utility model provides a watertight photoelectricity composite towline, includes optic fibre, the outside cladding of optic fibre has the optical fiber shielding layer, the optical fiber shielding layer circumference is evenly around being provided with many conductors, every the conductor surface all the cladding has conductor insulation layer, has the watertight sheath around the cladding in all conductor insulation layer's outside, fill full water-tight filler between watertight sheath and the optical fiber shielding layer, the cladding of watertight sheath outside has the armor more than the one deck.

Further, the optical fibers are single optical cables or 2-12 parallel optical cables, and when the optical fibers are parallel optical cables, the optical cables at intervals are coated with optical fiber shielding layers.

Furthermore, the outermost armor layer is externally laminated and fixedly provided with a plurality of wear-resistant points, the wear-resistant points are oval, the middle part of the wear-resistant points is arched, and the wear-resistant points become thinner gradually from the middle part to the periphery.

Furthermore, the ellipse major diameter direction of the wear-resistant points is parallel to the axial direction of the optical fiber, a plurality of circles of wear-resistant points are arranged on the circumference of the armor layer, each circle is provided with a plurality of wear-resistant points, and the wear-resistant points of adjacent circles are staggered.

Furthermore, the wear-resistant points are made of polyurethane or rubber watertight protective layers.

Further, the armor layer is flexible high-strength Kevlar armor or seawater corrosion resistant steel wire armor;

when the flexible high-strength Kevlar armor is selected, an inner armor result is adopted, and an outer protective layer is coated after the armor.

The utility model has the advantages that:

the utility model is suitable for a pull the detection field under water, satisfy active source, photoelectric signal, image, remote control requirement, can receive and release and pull repeatedly, have better bearing capacity.

Drawings

Figure 1 is a cross-sectional view of the present invention,

figure 2 is an external view of the present invention,

in the figure: 1-optical fiber, 2-optical fiber shielding layer, 3-watertight filler, 4-conductor insulating layer, 5-conductor, 6-watertight sheath, 7-armor layer and 8-wear point.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1, the utility model discloses a watertight photoelectricity composite towing line, including optic fibre 1, optic fibre 1 outside cladding has optic fibre shielding layer 2, and optic fibre shielding layer 2's shielding braid density is more than 80%, and optic fibre shielding layer 2 circumference is even around being provided with many conductors 5, every conductor 5 surface all claddings have conductor insulation layer 4, has watertight sheath 6 around the cladding in the outside of all conductor insulation layers 4, fill full water-density filler 3 between watertight sheath 6 and the optic fibre shielding layer 2, watertight filler 3 chooses for use high strength tensile bullet-proof silk (Kevlar)/high strength fiber. More than one armor layer 7 is coated outside the watertight sheath 6. The conductor insulating layer 4 is made of special polyolefin or fluoroplastic. The watertight sheath 6 is made of seawater-resistant polyurethane or rubber.

Optical fiber 1 is single optical cable or 2~12 parallel optical cables, and when being parallel optical cable, alternate optical cable cladding has the optical fiber shielding layer.

As shown in fig. 2, a plurality of wear points 8 are fixedly attached to the outer portion of the outermost armor layer 7, and the wear points are oval in shape, arched in the middle, and gradually thinned from the middle toward the periphery. The ellipse major diameter direction of the wear-resistant points 8 is parallel to the axial direction of the optical fiber 1, a plurality of circles of wear-resistant points 8 are arranged on the circumference of the armor layer 7, each circle is provided with a plurality of wear-resistant points 8, and the wear-resistant points 8 of adjacent circles are staggered. The wear-resistant points 8 are made of polyurethane or rubber watertight protective layers. Wear point 8 increases the utility model discloses drawing or receive and release the axial tensile ability of in-process repeatedly to and increase the surface abrasion resistance ability.

The armor layer 7 is made of flexible high-strength Kevlar armor or seawater corrosion resistant steel wire armor; when the flexible high-strength Kevlar armor is selected, an inner armor result is adopted, and an outer protective layer is coated after the armor. Armor 7 provides the utility model discloses a whole bearing capacity, the resistance to deformation ability keeps the inner structure stable.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (6)

1. A watertight photoelectric composite streamer is characterized in that: including optic fibre (1), optic fibre (1) outside cladding has optic fibre shielding layer (2), optic fibre shielding layer (2) circumference is evenly around being provided with many conductors (5), every conductor (5) surface all cladding has conductor insulation layer (4), has watertight sheath (6) around the cladding in the outside of all conductor insulation layers (4), fill full water-tight filler (3) between watertight sheath (6) and optic fibre shielding layer (2), the cladding of watertight sheath (6) outside has armor (7) more than the one deck.

2. The watertight photovoltaic composite streamer of claim 1, wherein: the optical fiber (1) is a single optical cable or 2-12 parallel optical cables, and when the optical fiber is a parallel optical cable, the optical cables at intervals are coated with optical fiber shielding layers.

3. The watertight photovoltaic composite streamer of claim 1, wherein: the outer portion of the outermost armor layer (7) is fixedly provided with a plurality of wear-resistant points (8) in an attaching mode, the wear-resistant points are oval, the middle portion of the wear-resistant points is arched, and the wear-resistant points become thinner gradually from the middle portion to the periphery.

4. The watertight photovoltaic composite streamer of claim 3, wherein: the oval major diameter direction of the wear-resistant points (8) is parallel to the axial direction of the optical fiber (1), a plurality of circles of wear-resistant points (8) are arranged on the circumference of the armor layer (7), each circle is provided with a plurality of wear-resistant points (8), and the wear-resistant points (8) of adjacent circles are staggered.

5. The watertight photovoltaic composite streamer of claim 3, wherein: the wear-resistant points (8) are made of polyurethane or rubber watertight protective layers.

6. The watertight photovoltaic composite streamer of claim 1, wherein: the armor layer is flexible high-strength Kevlar armor or seawater corrosion resistant steel wire armor;

when the flexible high-strength Kevlar armor is selected, an inner armor result is adopted, and an outer protective layer is coated after the armor.

Images