CN208126894U - Umbilical cables - Google Patents

Abstract

The utility model provides a kind of umbilical cables, including cable core, the sheath being set to outside cable core, the armor being set to outside the sheath and the outer jacket being set to outside the armor, the armor includes several armouring silks, and the outer jacket uses the material with seawater corrosion resistance and wear-resisting property to weave.The utility model has the characteristics that low-gravity, intensity are high, can satisfy the generation job requirements of the super depth of water, and umbilical cables will not cause to damage in production to armor.

Description

Umbilical cables

Technical field

The utility model relates to a kind of umbilical cables more particularly to a kind of umbilical cables that can be used in super depth of water production operation.

Background technique

This part intends to provides background or context for the embodiments of the present invention stated in claims.This The description at place recognizes it is the prior art not because not being included in this section.

Umbilical cables are for a kind of cable used in subsea production operation.Existing umbilical cables use wire armouring, because It is limited by wire armouring umbilical cables intensity/underwater dead load ratio, existing umbilical cables are usually little using the depth of water, can not Meet the production operation requirement of the super depth of water.

Utility model content

In view of this, having the characteristics that low-gravity, intensity are high it is necessary to provide a kind of umbilical cables, can be used in than existing The deeper underwater production operation requirement of wire armouring umbilical cables, and non-metallic armoring layer can be effectively protected.

A kind of umbilical cables provided by the utility model including cable core, the sheath being set to outside cable core, are set in described Armor outside sheath and the outer jacket being set to outside the armor, the armor includes several armouring silks, described Outer jacket uses the material with seawater corrosion resistance and wear-resisting property to weave.

Further, the outer jacket is woven by polyurethane braid over braid.

Further, including at least two layers armor, adjacent armor direction of lay are opposite.

Further, the armouring silk of the armor positioned at outer layer is greater than positioned at the diameter of the armouring silk of the armor of internal layer Diameter.

Further, the every armouring silk includes matrix made of fibre reinforced composites.

Further, described matrix is made of aramid fiber enhancing composite material.

Further, each armouring silk further includes wearing layer, and the wearing layer is set to the outer surface of described matrix.

Further, the wearing layer is nylon wearing layer.

Further, the umbilical cables further include the wrapping layer being set to outside the cable core, and the cable core passes through at least one A power cable unit, at least one control cable unit, at least a stainless steel fiber unit and at least one ground cable Unit spiral is twisted.

Compared with existing use wire armouring umbilical cables, umbilical cables provided by the utility model, using sea water resistance corruption Outer jacket made of the braiding of the material of erosion and wear-resisting property, can be avoided armor and is damaged.In addition, working as the umbilical cables When carrying out armouring by the armouring silk that matrix is fibre reinforced composites, have the advantages that specific gravity is low, intensity is high, it can be significantly The dead load of umbilical cables in water is reduced, umbilical cables intensity/underwater dead load ratio is improved, can be used in than existing wire armour Fill umbilical cables deeper underwater production operation requirement.

Detailed description of the invention

In order to illustrate more clearly of the utility model embodiment technical solution, will make below to required in embodiment description Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 shows the schematic diagram of the section structure of the umbilical cables of an embodiment of the present invention.

Main element symbol description

Umbilical cables	100
		Cable core	10
Wrapping layer	20
		Sheath	30
Armor	40
		Outer jacket	50
Power cable unit	11
		Control cable unit	12
Stainless steel fiber unit	13
		Ground cable unit	14
Inner armor layer	41
		Armoured layer	42
Armouring silk	43
		Matrix	431
Wearing layer	432
		Core	10a
Sheath	10b

The following detailed description will be further explained with reference to the above drawings the utility model.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.It refers to and says it is appreciated that attached drawing only provides Bright use is not used to limit the utility model.The connection shown in attached drawing is only to be convenient for clearly describing, and not Limit connection type.

It should be noted that it can be directly to separately when a component is considered as " connection " another component One component may be simultaneously present component placed in the middle.Unless otherwise defined, all technologies used herein and section are academic Language has the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs.Herein in the utility model Term used in the description, which is only for the purpose of describing specific embodiments, to be not intended to limit the utility model.

Fig. 1 shows the structural schematic diagram of the umbilical cables 100 of an embodiment of the present invention.The umbilical cables 100 can be with For underwater production operation requirement deeper than the existing umbilical cables using wire armouring, ROV (Remote specifically can be used as Operated Vehicle, underwater robot) connection lash ship umbilical cables.

The umbilical cables 100 include cable core 10, wrapping layer 20, sheath 30, armor 40 and outer jacket 50, it is described around Covering 20 coats the cable core 10, and the outer surface of wrapping layer 20, armor is arranged in the sheath 30 by way of extruding Outside the sheath 30, the outer jacket 50 is set to outside the armor 40 40 armourings.

In the present embodiment, the cable core 10 may include at least one power cable unit 11, at least one control cable Unit 12, at least a stainless steel fiber unit 13 and at least one ground cable unit 14, power cable unit 11, control electricity Cable unit 12, stainless steel fiber unit 13 and ground cable unit 14 constitute cable core 10 by the way that spiral is twisted.Wherein, power electric Cable unit 11, control cable unit 12, the respective quantity of stainless steel fiber unit 13 and ground cable unit 14 can be according to It is arranged according to actual conditions, in present embodiment, the cable core 10 may include three power cable units 11, two control electricity 12, stainless steel light units 13 of cable unit and six ground cable units 14.Each power cable unit 11, control electricity Cable unit 12, stainless steel fiber unit 13 and ground cable unit 14 may each comprise corresponding core 10a and extrude online Sheath 10b outside core 10a.

In the present embodiment, the armor 40 has several armouring silks 43, and each armouring silk 43 may each comprise matrix 431 And the wearing layer 432 of 431 outer surface of described matrix is set, in present embodiment, the wearing layer 432 can pass through extrusion molding 431 outer surface of described matrix is arranged in mode, wear-resistant and/or resistance to when umbilical cables 100 can be improved under water in wearing layer 432 Corrosive power, the wearing layer 432 of the outer surface of each armouring silk 43 can preferably protect each matrix 431, improve matrix 431 Wearability.

In the present embodiment, described matrix 431 is made of fibre reinforced composites, such as can be increased using aramid fiber Strong composite material is made, in production, by a certain amount of aramid fiber yarn, high molecular polymer matrix, initiator and demoulding Agent, which forms aramid fiber, enhances composite filament, and armouring silk 43 is twisted to form armor 40.The wearing layer 432 can use nylon system At, such as nylon 1212, it is to be understood that the wearing layer 432 can also be using other material production.This embodiment party Formula, after being twisted armouring silk 43 by adhesive, so that armor 43 is not compact-sized, loose, in some cases it may go Except the outer wear layer needed for armor 40, production is more simple, greatly reduces product cost.

Load member of the armouring as umbilical cables 100 is carried out by the non-metallic sheath silk 43 of fibre reinforced composites Part, compared with steel wire, in the case where same outer diameter, tensile strength, the specific gravity of non-metallic sheath silk 43 is only steel wire specific gravity 1/4, have the advantages that specific gravity is low, intensity is high, can substantially reduce the dead load of umbilical cables in water, improve umbilical cables intensity/ Underwater dead load ratio can satisfy deeper underwater production and operation, can satisfy the ROV requirement in the 11000m depth of water.

The armor 40 can be one layer or multilayer, when the armor 40 includes multilayer, adjacent two layers armouring Direction of lay between layer 40 is opposite.In present embodiment, the armor 40 may include two layers, respectively be stranded in described Inner armor layer 41 outside sheath 30 and the armoured layer 42 being stranded in outside the inner armor layer 41.

The 43 diameter d1 of armouring silk of the inner armor layer 41 is greater than the diameter d2 of the armouring silk 43 of the armoured layer 42, with The increase of the diameter of umbilical cables, the armouring silk 43 of outermost armoured layer 42 is set using smaller diameter, Neng Gougeng Add and be compactly stranded on the outer surface of inner armor layer 41, the armouring effect of armor 41 can be allowed more preferable, allows umbilical cables 100 Intensity is bigger.

The outer jacket 50 can be woven using polyurethane braid over braid, and armor is only included described by outer jacket 50 Armor 40.Existing outer jacket is generally made of pitch and polypropylene rope, during generating outer jacket, need to pitch and Polypropylene rope is heated, and is heated and can be caused to damage to non-metallic sheath silk made of fibre reinforced composites, is not suitable for In the umbilical cables of the non-metallic sheath of fibre reinforced composites.It is received repeatedly moreover, existing outer jacket is unable to satisfy umbilical cables The requirement put, the outer jacket simple process made of the braiding of polyurethane braid over braid, will not be to fibre reinforced composites Non-metallic sheath cause to damage, and there is superior wear-resisting property, outer jacket made of the braiding of polyurethane braid over braid can be with Armor to be isolated with guide wheel, wear-resisting property is good, and guide wheel is avoided directly to contact with armor, guarantee the intensity of umbilical cables, Substantially increase the service life of umbilical cables.

In specification and claims of this application requirements, word "comprises/comprising" and word " have/including " and its deformation, For the presence of specified stated feature, numerical value, step or component, but one or more of the other spy is not precluded the presence or addition of Sign, numerical value, step, component or their combination.

Some features of the utility model, it is clear to illustrate, it describes in various embodiments respectively, so, these features Also it can be combined in single embodiment and describe.On the contrary, some features of the utility model, for simplicity, only in single implementation It is described in example, so, these features can also be separated individually or are described in different embodiments in any suitable combination.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (8)

1. a kind of umbilical cables, which is characterized in that including cable core, the sheath being set to outside cable core, be set to outside the sheath Armor and the outer jacket that is set to outside the armor, the armor includes several armouring silks, the every armour Dress silk includes matrix made of fibre reinforced composites, and the outer jacket is used with seawater corrosion resistance and wear-resisting property Material weaves.

2. umbilical cables according to claim 1, which is characterized in that the outer jacket is woven by polyurethane braid over braid.

3. umbilical cables according to claim 1, which is characterized in that including at least two layers armor, adjacent armouring Layer direction of lay is opposite.

4. umbilical cables according to claim 3, which is characterized in that the diameter positioned at the armouring silk of the armor of internal layer is greater than Positioned at the diameter of the armouring silk of the armor of outer layer.

5. umbilical cables according to claim 1, which is characterized in that described matrix enhances composite material system using aramid fiber At.

6. umbilical cables according to claim 1, which is characterized in that each armouring silk further includes wearing layer, described resistance to Mill layer is set to the outer surface of described matrix.

7. umbilical cables according to claim 6, which is characterized in that the wearing layer is nylon wearing layer.

8. umbilical cables according to claim 1-7, which is characterized in that the umbilical cables further include be set to it is described Wrapping layer outside cable core, the cable core pass through at least one power cable unit, at least one control cable unit, at least one not Rust steel fiber unit and at least one ground cable unit spiral are twisted.