CN223956346U - Towing cable - Google Patents

Abstract

The utility model discloses a trailing cable which comprises a cable sleeve, conductors and filling materials, wherein the cable sleeve comprises an outer sheath, an armor layer, a shielding layer and an insulating layer, the conductors are high-quality oxygen-free copper wires, a plurality of conductors are arranged in the cable sleeve according to requirements, the conductors are fixedly provided with the insulating layers, and the filling materials are filled among the conductors to increase flexibility and compression resistance. Compared with the prior art, the cable has the advantages that the tensile strength and the abrasion resistance of the cable are obviously improved through the embedded armor layer, the corrosion-resistant high polymer material is selected as the outer sheath, the service life of the cable is prolonged, and the cable is firm and soft, is easy to bend and is convenient to construct and operate due to reasonable cable core layout and application of the elastomer filling material.

Description

Towing cable

Technical Field

The utility model relates to the technical field of cables, in particular to a trailing cable.

Background

The drag chain cable is a high-flexibility special cable which can move back and forth along with the drag chain and is not easy to wear, the traditional drag cable is easy to be subjected to strong tension and friction force when in undersea operation, so that the cable is damaged or broken, and salt and other chemical substances in the sea can accelerate the ageing and corrosion of the cable sheath, so that the service life of the cable is influenced. This requires a new type of trailing cable.

Disclosure of utility model

The utility model aims to solve the technical problems of insufficient mechanical strength and poor corrosion resistance, and provides a novel trailing cable.

In order to solve the technical problems, the utility model provides a towing cable which comprises a cable sleeve, a conductor and a filling material;

The cable sleeve comprises an outer sheath, an armor layer, a shielding layer and an insulating layer, wherein the outer sheath is made of high polymer materials, the armor layer is arranged on the inner side of the outer sheath, and the armor layer is an embedded high-strength steel wire braiding layer;

The conductor is a high-quality oxygen-free copper wire, a plurality of conductors are arranged in the cable sleeve according to the requirement, and a conductor insulating layer is fixed outside the conductor;

The filler material fills between the conductors, increasing flexibility and resistance to compression.

As an improvement, the outermost layer of the conductor is provided with a polyethylene sheath, the inner components are protected from physical damage, chemical corrosion and environmental factors, and a conductor shielding layer is arranged between the polyethylene sheath and the conductor insulating layer and is formed by a woven mesh or other conductive materials so as to reflect or absorb interference signals.

As an improvement, the outer sheath material is polyurethane PU.

As improvement, the armor layer is formed by weaving high-strength steel wires, so that the cable is ensured to have higher tensile strength and abrasion resistance.

As an improvement, the shielding layer is composed of multiple layers of metal foils, so that electromagnetic interference is effectively reduced, and stable signal transmission is ensured.

As an improvement, the insulating layer is made of crosslinked polyethylene material, so that good electrical insulating performance is ensured, and the insulating layer is high-temperature resistant and low-temperature resistant.

As an improvement, the filling material is an elastomer material, so that the flexibility and the compressive capacity of the cable are improved, and meanwhile, the buffer function is realized, and the internal components are protected from impact.

Compared with the prior art, the utility model has the advantages that:

1. the tensile strength and the abrasion resistance of the cable are obviously improved by embedding the high-strength steel wire braided armor layer;

2. the corrosion-resistant high polymer material is selected as the outer sheath, so that the service life of the cable is prolonged;

3. The cable is firm and soft due to reasonable cable core layout and application of elastomer filling materials, and is easy to bend and convenient to construct and operate.

Drawings

Fig. 1 is a perspective view of a trailing cable of the present utility model.

Fig. 2 is a cross-sectional view of a trailing cable of the present utility model.

The steel wire is shown as the figure, 1, a conductor, 2, a filling material, 3, an outer sheath, 4, an armor layer, 5, a shielding layer, 6, an insulating layer, 7, a conductor insulating layer, 8, a polyethylene sheath and 9, and a conductor shielding layer.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.

The present utility model will be described in further detail with reference to the accompanying drawings.

The towing cable comprises a cable sleeve, wherein the cable sleeve comprises an outer sheath 3, an armor layer 4, a shielding layer 5 and an insulating layer 6, the outer sheath 3 is made of high polymer materials, the outer sheath 3 is made of polyurethane PU, the armor layer 4 is arranged on the inner side of the outer sheath 3, the armor layer 4 is an embedded high-strength steel wire braiding layer, the armor layer 4 is formed by braiding high-strength steel wires, the cable is ensured to have higher tensile strength and abrasion resistance, the shielding layer 5 is arranged on the inner side of the armor layer 4, the shielding layer 5 is composed of multiple layers of metal foils, electromagnetic interference is effectively reduced, stable signal transmission is ensured, the insulating layer 6 is arranged on the inner side of the shielding layer 5, and the insulating layer 6 is made of crosslinked polyethylene materials, so that good electrical insulation performance is ensured, and the cable is high-temperature resistant and low-temperature resistant;

The conductor 1 is selected from high-quality oxygen-free copper wires, a plurality of conductors are arranged in the cable sleeve according to the requirement, and a conductor insulating layer 6 is fixed outside the conductor 1; the outermost layer of the conductor 1 is provided with a polyethylene sheath 8 for protecting internal components from physical damage, chemical corrosion and environmental factors, and a conductor shielding layer 5 is arranged between the polyethylene sheath 8 and the conductor insulating layer 6 and is formed by a woven mesh or other conductive materials for reflecting or absorbing interference signals;

And the filling material 2 is filled between the conductors 1, so that the flexibility and the compression resistance are improved, the filling material 2 is an elastomer material, the flexibility and the compression resistance of the cable are improved, and meanwhile, the buffering effect is achieved, and the internal components are protected from impact.

When the utility model is implemented, the specific conditions of the working environment are confirmed, and the cable with proper length and specification is selected. Accurately cutting two ends of the cable by using a special tool, ensuring the end surface to be smooth, and installing a proper connector or terminal equipment for each conductor 1 according to the requirement;

The outer sheath 3 forms a first defense line, resists external physical injury and chemical erosion, the armor layer 4 effectively isolates external electromagnetic interference, the shielding layer 5 directly contacts the armor layer 4, the high-strength characteristic of the shielding layer is used as a supporting platform, good electrical continuity and shielding effect are ensured, and the insulating layer 6 is responsible for providing excellent electrical insulation performance;

The conductor insulating layers 6 are wrapped outside each conductor 1, so that electrical isolation among the conductors 1 is ensured, the polyethylene sheath 8 is covered on the outermost layer of the conductor 1, physical damage and chemical corrosion are prevented, interference signals are reflected or absorbed by the conductor shielding layers 5, and signal transmission quality is ensured;

The filler material 2 fills between the conductors 1, increasing the overall flexibility and compression resistance of the cable, and at the same time providing cushioning and protecting the internal components from impact.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (7)

1. A drag cable, characterized in that it comprises a cable sheath, a conductor (1), and a filler material (2); The cable sheath includes an outer sheath (3), an armor layer (4), a shielding layer (5), and an insulation layer (6); the outer sheath (3) is made of a high-molecular polymer material, and the armor layer (4) is provided inside the outer sheath (3), which is an embedded high-strength steel wire braided layer; the shielding layer (5) is provided inside the armoring layer (4), and the insulation layer (6) is located inside the shielding layer (5); The conductor (1) is made of high-quality oxygen-free copper wire, and multiple conductors are provided in the cable sheath as needed. The conductor (1) is fixed with a conductor insulation layer (6). The filler material (2) is filled between each conductor (1) to increase flexibility and compressive strength. 2. A drag cable according to claim 1, characterized in that: the outermost layer of the conductor (1) has a polyethylene sheath (8), and there is a conductor shielding layer (5) between the polyethylene sheath (8) and the conductor insulation layer (6). 3. The drag cable according to claim 1, characterized in that: the outer sheath (3) is made of polyurethane (PU). 4. A drag cable according to claim 1, characterized in that: the armor layer (4) is made of high-strength steel wire braid. 5. A drag cable according to claim 1, characterized in that: the shielding layer (5) is composed of multiple layers of metal foil. 6. A drag cable according to claim 1, characterized in that: the insulation layer (6) is made of cross-linked polyethylene material. 7. A drag cable according to claim 1, characterized in that: the filler material (2) is an elastomer material, which increases the flexibility and compressive strength of the cable.