A new type of composite umbilical cable

Abstract

The utility model relates to the field of umbilical cables, and in particular to a novel composite umbilical cable, comprising an inner sheath; an optical cable and a power line are arranged inside the inner sheath, an outer shielding layer is arranged outside the inner sheath, and an armor layer is arranged outside the outer shielding layer; a plurality of round steel wires are arranged in an annular shape inside the armor layer, a plurality of round steel beads are arranged at both ends of the round steel wires, an outer sheath is arranged outside the armor layer, and a salt-resistant and anti-corrosion layer is arranged outside the outer sheath. The beneficial effect of the utility model is that by arranging a plurality of round steel wires in an annular shape inside the armor layer, and arranging a plurality of round steel beads at both ends of the round steel wires, when the cable body is bent by impact force, the round steel beads can be used to bend better and have a certain rigidity, and the internal structure of the inner sheath can be better protected, so that the cable has the characteristics of high strength and softness, and the practicality is improved.

Description

Technical Field

[0001] The utility model relates to the field of umbilical cables, in particular to a novel composite umbilical cable. Background Art

[0002] The umbilical cable is a combination of electrical cables, optical cables, hydraulic or chemical pipes. Its main functions are to provide power to the underwater production system, provide hydraulic channels for the control of the underwater production system, provide chemical pipelines required for oil and gas field development, transmit control signals from upper modules and sensor data of the underwater production system, etc.

[0003] Chinese patent: A tensile umbilical cable for marine engineering (Announcement No.: CN213366176U) discloses: a ground core conductor, a main core conductor, a signal core conductor and a control core conductor, and a semi-conductive tape and an insulating layer outside each core conductor; an optical fiber unit, the optical fiber unit adopts a loose tube form, a braided aramid fiber reinforcement layer is arranged outside the loose tube, and a foamed polyethylene is arranged outside the braided aramid fiber reinforcement layer; half a meter of water-blocking paste, half a meter of water-blocking paste is filled outside the insulation layer of each core conductor and outside the foamed polyethylene of the optical fiber unit; an outer shielding layer, the outer shielding layer is arranged outside the half meter of water-blocking paste; an inner sheath layer, an armor layer and an outer sheath layer, the inner sheath layer, the armor layer and the outer sheath layer are arranged on the outside of the outer shielding layer in sequence;

[0004] However, when this type of umbilical cable is used in water and is impacted by water flow, its own structure cannot effectively mitigate the impact force, and the swing angle is too large, which reduces its practicality. Utility Model Content

[0005] In order to overcome the above-mentioned shortcomings, the utility model provides a technical solution that can solve the above-mentioned problems.

[0006] A novel composite umbilical cable includes an inner sheath;

[0007] The inner sheath is provided with an optical cable and a power line, the outer sheath is provided with an outer shielding layer, and the outer side of the outer shielding layer is provided with an armor layer;

[0008] A plurality of round steel wires are arranged in an annular shape inside the armor layer, and the heights of both ends of the round steel wires are arranged to be inclined toward one side in sequence, and a plurality of round steel beads are arranged at both ends of the round steel wires, and the two ends of the round steel wires and the round steel beads are in conflict with each other;

[0009] An outer sheath is arranged on the outer side of the armor layer, and a salt-resistant and anti-corrosion layer is arranged on the outer side of the outer sheath.

[0010] As a further solution of the utility model: the optical cable includes an optical fiber unit, the power line includes a conductor core, the outer sides of the optical fiber unit and the conductor core are respectively provided with a reinforcement layer, and the outer sides of the reinforcement layer are provided with an insulating layer.

[0011] As a further solution of the utility model: a braided layer is provided between the inner sheath and the insulating layer.

[0012] As a further solution of the utility model: both ends of the round steel wire are respectively formed with grooves inwardly, and the radius of the groove is the same as that of the round steel ball.

[0013] As a further solution of the utility model: a tensile layer is provided between the outer sheath and the armor layer, and the tensile layer is an aramid yarn braided layer.

[0014] Compared with the prior art, the utility model has the following beneficial effects: by arranging a plurality of round steel wires in a ring shape inside the armor layer, and arranging a plurality of round steel beads at both ends of the round steel wires, when the cable body is bent by impact force, the round steel beads can be used to bend better and have a certain rigidity, and the internal structure of the inner sheath can be better protected, so that the cable has the characteristics of high strength and softness, and the practicality is improved.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in this embodiment or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the structure of the armor layer.

[0019] As shown in the figure: 1. Inner sheath; 2. Optical cable; 3. Power cord; 4. Outer shielding layer; 5. Armor layer; 6. Round steel wire; 7. Round steel beads; 8. Outer sheath; 9. Salt-resistant and anti-corrosion layer; 10. Optical fiber unit; 11. Conductor core; 12. Reinforcement layer; 13. Insulation layer; 14. Braided layer; 15. Groove; 16. Tensile layer. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1-2 , a novel composite umbilical cable, comprising an inner sheath 1;

[0025] An optical cable 2 and a power line 3 are arranged inside the inner sheath 1, an outer shielding layer 4 is arranged outside the inner sheath 1, and an armor layer 5 is arranged outside the outer shielding layer 4;

[0026] A plurality of round steel wires 6 are arranged in a ring shape inside the armor layer 5, and the heights of both ends of the round steel wires 6 are arranged to be inclined toward one side in sequence, and a plurality of round steel balls 7 are arranged at both ends of the round steel wires 6, and the two ends of the round steel wires 6 and the round steel balls 7 are in conflict with each other;

[0027] An outer sheath 8 is provided on the outer side of the armor layer 5 , and a salt-resistant and anti-corrosion layer 9 is provided on the outer side of the outer sheath 8 .

[0028] A plurality of round steel wires 6 are arranged in a ring inside the armor layer 5, and the heights of both ends of the round steel wires 6 are tilted toward one side in sequence. A plurality of round steel balls 7 are respectively arranged at both ends of the round steel wires 6. The two ends of the round steel wires 6 and the round steel balls 7 are in conflict with each other, so that when the cable is bent by impact force, the bending radius of the inner end of the bend can be reduced because of the round steel balls 7, so that the cable has the characteristics of high strength and softness.

[0029] As a further solution of the utility model: the optical cable 2 includes an optical fiber unit 10, the power line 3 includes a conductor core 11, the outer sides of the optical fiber unit 10 and the conductor core 11 are respectively provided with a reinforcement layer 12, and the outer side of the reinforcement layer 12 is provided with an insulation layer 13.

[0030] The reinforcement layer 12 can better protect the optical fiber unit 10 and the conductor core 11; the insulation layer 13 can prevent external electromagnetic signal transmission from contacting the optical fiber unit 10 and the conductor core 11, ensuring that the cable can be used normally.

[0031] As a further solution of the utility model: a braided layer 14 is provided between the inner sheath 1 and the insulating layer 13 .

[0032] The optical cable 2 and the power line 3 can be fixed to avoid movement, thereby improving safety.

[0033] As a further solution of the utility model: both ends of the round steel wire 6 are respectively formed with grooves 15 inwardly, and the radius of the groove 15 is the same as that of the round steel ball 7.

[0034] This allows for better contact and makes cable bending easier.

[0035] As a further solution of the utility model: a tensile layer 16 is provided between the outer sheath 8 and the armor layer 5, and the tensile layer 16 is an aramid yarn braided layer.

[0036] It can improve the tensile strength of the cable and prevent the cable from being damaged when it is bent.

[0037] It should also be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "including a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0038] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A novel composite umbilical cable, characterized in that: Including inner sheath; The inner sheath is provided with an optical cable and a power line, the outer sheath is provided with an outer shielding layer, and the outer side of the outer shielding layer is provided with an armor layer; A plurality of round steel wires are arranged in an annular shape inside the armor layer, and the heights of both ends of the round steel wires are arranged to be inclined toward one side in sequence, and a plurality of round steel beads are arranged at both ends of the round steel wires, and the two ends of the round steel wires and the round steel beads are in conflict with each other; An outer sheath is arranged on the outer side of the armor layer, and a salt-resistant and anti-corrosion layer is arranged on the outer side of the outer sheath.

2. A novel composite umbilical cable according to claim 1, characterized in that: The optical cable comprises an optical fiber unit, the power line comprises a conductor core, the outer sides of the optical fiber unit and the conductor core are respectively provided with a reinforcement layer, and the outer sides of the reinforcement layer are provided with an insulation layer.

3. A novel composite umbilical cable according to claim 2, characterized in that: A braided layer is arranged between the inner sheath and the insulating layer.

4. A novel composite umbilical cable according to claim 1, characterized in that: Both ends of the round steel wire are respectively formed with grooves inwardly, and the radius of the groove is the same as that of the round steel ball.

5. A novel composite umbilical cable according to claim 1, characterized in that: A tensile layer is arranged between the outer sheath and the armor layer, and the tensile layer is an aramid yarn braided layer.

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