Trailing cable
By improving the structural design of the towed cable, and adopting a polymer outer sheath, a steel wire braided armor layer, a multi-layer metal foil shielding layer, and an elastomer filling material, the problems of insufficient mechanical strength and poor corrosion resistance of traditional towed cables have been solved, achieving high strength, corrosion resistance, and stable signal performance for underwater operations.
Patent Information
- Application Number
- CN202520195619.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-08
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-08
AI Technical Summary
Traditional towed cables lack mechanical strength and have poor corrosion resistance when operating underwater, making them prone to damage and aging.
The outer sheath is made of high-molecular polymer material, the armor layer is embedded with a high-strength steel wire braid, the multi-layer metal foil shielding layer, the cross-linked polyethylene insulation layer and the elastomer filler material, combined with high-quality oxygen-free copper wire conductor, to enhance mechanical strength and corrosion resistance.
It significantly improves the tensile strength and abrasion resistance of the cable, extends its service life, ensures stable signal transmission and good flexibility, and is suitable for underwater operations.
Smart Images

Figure CN223956346U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cable technical field, specifically point to a kind of towed cable. BACKGROUND
[0002] Drag chain cable is a kind of high flexibility special cable that can move back and forth with drag chain without easy wear and tear;Traditional towed cable is prone to strong tension and friction when working under the sea, resulting in cable damage or breakage, and the salt and other chemicals in seawater can accelerate the aging and corrosion of cable sheath, affecting the service life of the cable. This requires a new type of towed cable. SUMMARY
[0003] The technical problem to be solved by the utility model is insufficient mechanical strength and poor corrosion resistance, and a new type of towed cable is provided.
[0004] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a towed cable, comprising a cable sleeve, a conductor and a filling material.
[0005] The cable sleeve comprises an outer sheath, an armor layer, a shielding layer and an insulating layer;The outer sheath is made of high molecular polymer material, and the armor layer is arranged on the inner side of the outer sheath, and the armor layer is a high-strength steel wire braided layer embedded in the armor layer;The shielding layer is arranged on the inner side of the armor layer, and the insulating layer is arranged on the inner side of the shielding layer.
[0006] The conductor is made of high-quality oxygen-free copper wire, and a plurality of conductors are arranged in the cable sleeve according to needs, and the conductor is fixed with a conductor insulating layer outside the conductor.
[0007] The filling material is filled between the conductors to increase flexibility and compression resistance.
[0008] As an improvement, the outermost layer of the conductor has a polyethylene sheath to protect the internal components from physical damage, chemical corrosion and environmental factors, and there is a conductor shielding layer between the polyethylene sheath and the conductor insulating layer, which is composed of woven mesh or other conductive materials to reflect or absorb interference signals.
[0009] As an improvement, the outer sheath material is polyurethane PU.
[0010] As an improvement, the armor layer is woven with high-strength steel wire to ensure that the cable has high tensile strength and wear resistance.
[0011] As an improvement, the shielding layer is composed of multiple layers of metal foil, which effectively reduces electromagnetic interference and ensures stable signal transmission.
[0012] As an improvement, the insulating layer is made of cross-linked polyethylene material to ensure good electrical insulation performance, and is resistant to high temperature and low temperature.
[0013] As an improvement, the filling material is an elastomer material, which increases the flexibility and pressure resistance of the cable, and also serves as a buffer to protect the internal components from impact.
[0014] Compared with the prior art, the utility model has the advantages of:
[0015] 1. By embedding high-strength steel wire braid armor layer, the tensile strength and wear resistance of the cable are significantly improved;
[0016] 2. Selecting a corrosion-resistant high-molecular polymer material as the outer sheath, the service life of the cable is prolonged;
[0017] 3. Reasonable cable core layout and application of elastomer filling material make the cable both strong and soft, easy to bend and convenient for construction operation. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a perspective view of the utility model of a tow cable.
[0019] Figure 2 is a sectional view of the utility model of a tow cable.
[0020] As shown in the figure: 1, conductor; 2, filling material; 3, outer sheath; 4, armored layer; 5, shielding layer; 6, insulation layer; 7, conductor insulation layer; 8, polyethylene sheath; 9, conductor shielding layer. DETAILED DESCRIPTION
[0021] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more. In addition, the term "includes" and any variation thereof is intended to cover non-exclusive inclusion.
[0022] The utility model will be further described in detail in combination with the drawings.
[0023] A kind of tow cable, including cable cover, including outer sheath 3, armoring layer 4, shielding layer 5, insulating layer 6;Outer sheath 3 is made of high molecular polymer material, and outer sheath 3 material is polyurethane PU;Armoring layer 4 is arranged in the inside of outer sheath 3, and armoring layer 4 is the high-strength steel wire braiding layer embedded, and armoring layer 4 is woven with high-strength steel wire, to ensure that cable has higher tensile strength and wear resistance;Shielding layer 5 is arranged in the inside of armoring layer 4, and shielding layer 5 is composed of multiple metal foils, effectively reduces electromagnetic interference, and ensures stable signal transmission;Insulating layer 6 is located in the inside of shielding layer 5, and insulating layer 6 uses crosslinked polyethylene material, guarantees good electrical insulation performance, and is resistant to high temperature, resistant to low temperature;
[0024] Conductor 1, high-quality oxygen-free copper wire is selected, and multiple are arranged in cable cover according to needs, and conductor 1 is fixed with conductor insulation layer 6 outside;The outermost layer of the conductor 1 has a polyethylene sheath 8 for protecting the internal components from physical damage, chemical corrosion and environmental factors, and there is a conductor shielding layer 5 between the polyethylene sheath 8 and the conductor insulation layer 6, which is composed of a woven mesh or other conductive material to reflect or absorb interference signals.
[0025] Filler material 2, the filler material 2 is filled between each conductor 1 to increase flexibility and pressure resistance, and the filler material 2 is an elastomer material to increase the flexibility and pressure resistance of the cable while serving as a buffer to protect the internal components from impact.
[0026] In the specific implementation of the utility model, the specific conditions of the working environment are confirmed, and the cable of appropriate length and specification is selected. The cable is accurately cut at both ends using special tools to ensure that the end face is flat, and appropriate connectors or terminal equipment are added to each conductor 1 as needed.
[0027] The outer sheath 3 forms the first line of defense against external physical damage and chemical corrosion, the armoring layer 4 effectively isolates external electromagnetic interference, the shielding layer 5 directly contacts the armoring layer 4, and the high-strength characteristics of the armoring layer 4 are used as a support platform to ensure good electrical continuity and shielding effect, and the insulating layer 6 is responsible for providing excellent electrical insulation performance.
[0028] Each conductor 1 is wrapped with a conductor insulation layer 6 to ensure electrical isolation between the conductors 1, and the outermost layer of the conductor 1 is covered with a polyethylene sheath 8 to prevent physical damage and chemical corrosion. The conductor shielding layer 5 reflects or absorbs interference signals to ensure signal transmission quality.
[0029] The filler material 2 is filled between each conductor 1 to increase the overall flexibility and pressure resistance of the cable while serving as a buffer to protect the internal components from impact.
[0030] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.
Claims
1. A tow cable, characterized by: The cable sleeve, the conductor (1) and the filling material (2); The cable sleeve comprises 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 polymer polymeric material, the armor layer (4) is arranged inside the outer sheath (3), and the armor layer (4) is an embedded high-strength steel wire braided layer; the shielding layer (5) is arranged inside the armor layer (4), and the insulation layer (6) is arranged inside the shielding layer (5); The conductor (1) is made of high-quality oxygen-free copper wire, and a plurality of conductors (1) are arranged in the cable sleeve as required; the conductor (1) is externally fixed with a conductor insulation layer (6); The filling material (2) is filled between the conductors (1) to increase flexibility and compression resistance.
2. A towrope cable according to claim 1, characterized in that: The outermost layer of the conductor (1) is provided with a polyethylene sheath (8), and the polyethylene sheath (8) is provided with a conductor shielding layer (5) between the conductor insulation layer (6).
3. A towrope cable according to claim 1, characterized in that: The outer sheath (3) is made of polyurethane PU.
4. A towrope cable according to claim 1, characterized in that: The armor layer (4) is made of high-strength steel wire braiding.
5. A towrope cable according to claim 1, characterized in that: The shielding layer (5) is composed of multiple layers of metal foil.
6. A towrope cable according to claim 1, characterized in that: The insulation layer (6) is made of cross-linked polyethylene material.
7. A towrope cable according to claim 1, characterized in that: The filling material (2) is an elastomer material, which increases the flexibility and compression resistance of the cable.