CN201369182Y - Instrument control integrated tensile flexible cable special for offshore oil platform - Google Patents

Abstract

The utility model relates to a special instrument control integrated tensile flexible cable for an offshore oil platform. The utility model aims to solve the problem of insufficient heat resistance, weather resistance, corrosion resistance, ozone aging resistance, tear resistance, flex resistance and wear resistance of traditional instrument control cables used on offshore oil platforms, and the mutual influence of the anti-electromagnetic interference capabilities between cable cores. Due to the problems of large space occupation and high cost, the control cable, computer cable and compensation cable core in the traditional circular instrument control cable, the cable core steel wire braided armor layer and the isolation layer are placed in a square shape, and then placed in sequence between the three cables Three steel wire ropes with chlorinated polyethylene (CPE) sheath are formed by extruding the outer sheath with a circular die. The utility model is easy to lay, has excellent anti-interference and shielding performance, heat resistance, weather resistance, corrosion resistance, ozone aging resistance, tear resistance, flex resistance and wear resistance, etc., greatly reduces costs and saves cable laying space.

Description

Offshore oil platform special instrument control integrated tensile flexible cable

technical field

The utility model relates to the technical field of cables, in particular to an integrated tension-resistant flexible cable for special instrument control of an offshore oil platform.

Background technique

As the country increases the construction of offshore oil platforms, the existing offshore oil platforms need a variety of control cables, computer cables, thermocouple compensation cables and many other traditional circular signal control cables with heat resistance, weather resistance, corrosion resistance, and ozone aging resistance. And tear resistance, flex resistance and wear resistance are not enough, and they are often laid separately, so when there are too many laying on the same road, the cables will be entangled with each other, which affects the anti-electromagnetic interference ability between the cable cores; Intertwining increases the difficulty of laying, takes up a lot of space, and affects the overall appearance; the outer sheath layer of each cable is extruded separately, which also increases the cost. Based on the above reasons, the existing traditional instrument control cables for offshore oil platforms have resistance to electromagnetic interference between cable cores, heat resistance, weather resistance, corrosion resistance, ozone aging resistance, tear resistance, flex resistance and wear resistance. There are disadvantages such as insufficient environmental performance, large space occupation and high cost.

Contents of the invention

The purpose of the utility model is to overcome the above-mentioned problems existing in the traditional instrument control cables in the prior art, to provide a cable that does not affect the anti-electromagnetic interference ability between the wire groups, saves space and can reduce the cost of cable laying, and increases heat resistance, weather resistance and corrosion resistance. , ozone aging resistance and tear resistance, flex resistance and abrasion resistance, flame retardant properties of offshore oil platform special instrument control integrated tensile flexible cable.

In order to achieve the above object, the technical scheme adopted by the utility model is as follows:

A special instrument control integrated tensile flexible cable for offshore oil platforms, including an outer sheath, a tape layer and a filler in the tape layer, characterized in that: a central cable assembly is arranged in the tape layer, and the The central cable assembly is composed of a computer cable, a control cable and a compensation cable, and a tensile bending protection body is arranged between the computer cable, the compensation cable and the control cable.

The computer cable and the compensation cable are respectively composed of a cable core and a protective device outside the cable core. The cable core is composed of a conductor wrapped around the insulating layer and a wire group wrapping layer from the inside to the outside outside the insulating layer, a shielding layer, The protective device is composed of a cable wrapping layer, a cable core shielding layer, a cable core isolation layer, an armor layer and a cable core isolation layer from inside to outside.

The control cable is composed of a cable core and a protective device outside the cable core. The cable core is a conductor wrapped around an insulating layer, and the protective device wraps around the cable core. , Cable core isolation layer, armor layer and cable core isolation layer.

The computer cables, control cables and compensation cables are arranged in the shape of "pin".

The tensile bending protection body is composed of a steel wire rope and a sheath on the outer periphery of the steel wire rope.

Fillers are provided between the tape layer and the central cable assembly, the tensile bending protection body, and between the core of the computer cable, the compensation cable, and the control cable and the cable tape layer.

The armor layer is a steel wire braided layer.

The outer sheath layer and the sheath are chlorinated polyethylene (CPE) sheath layers with excellent heat resistance, weather resistance, corrosion resistance, ozone aging resistance, tear resistance, flex resistance, wear resistance and flame retardancy .

The insulating layer is a silicone rubber insulating layer with superior electrical properties and good flexibility.

The utility model has the advantages of:

1. The cable has excellent heat resistance, weather resistance, corrosion resistance, ozone aging resistance, tear resistance, wear resistance and flame retardancy

2. It is especially suitable for occasions where the winding performance of offshore oil platforms is particularly high and tensile.

3. The cables will not be entangled with each other, and the anti-electromagnetic interference ability is superior;

4. Cables are easier to lay and save space, making the placement of cables more neat and beautiful;

5. Three cables share one outer sheath layer to save cost.

Description of drawings

Fig. 1 is the structural representation of the utility model.

FIG. 2 is a schematic structural diagram of the computer cable in FIG. 1 .

FIG. 3 is a schematic structural diagram of the compensation cable in FIG. 1 .

FIG. 4 is a schematic structural diagram of the control cable in FIG. 1 .

Fig. 5 is a schematic structural view of the tensile bending protector in Fig. 1 .

Among them: 1. Computer cable 2. Compensation cable 3. Control cable 4. Tensile bending protection body 5. Conductor 6. Insulation layer 7. Wire group wrapping layer 8. Wire group shielding layer 9. Isolation layer 10. Filler 11 , Cable wrapping layer 12, cable core shielding layer 13, cable core isolation layer 14, steel wire braided armor layer 15, cable core isolation layer 16, outer sheath layer 17, steel wire rope 18, wrapping layer 19, sheath.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings. As shown in Figure 1, the utility model is a special instrument control integrated tensile flexible cable for offshore oil platforms, including an outer sheath layer 16, a tape layer 18 and a tape The filler 10 in the layer 18, wherein a central cable assembly is arranged in the tape layer 18, and the central cable assembly is composed of a computer cable 1, a control cable 3 and a compensation cable 2. In the computer cable 1, the compensation cable 2 and the control cable 3 are provided with a tensile bending protection body 4 .

Fig. 2 and Fig. 3 are structural schematic diagrams of the computer cable 1 and the compensation cable 2 in the present invention. They are all composed of a cable core and a protective device outside the cable core, wherein the cable core is composed of a conductor 5 wrapped around the insulating layer 6 and a wire group wrapping layer 7 from the inside to the outside outside the insulating layer 6, a shielding layer 8, and an isolation layer 9 Composition; The protection device is composed of a cladding layer 11, a cable core shielding layer 12, a cable core isolation layer 13, an armor layer 14 and a cable core isolation layer 15 from the inside to the outside.

Fig. 4 is a schematic structural diagram of the control cable 3 in the present invention. The control cable is composed of a cable core and a protective device outside the cable core. The cable core is a conductor 5 wrapped around an insulating layer 6. The protective device wraps around the cable core. The protective device is successively shielded by the cable wrapping layer 11 and the cable core layer 12, cable core isolation layer 13, armor layer 14 and cable core isolation layer 15.

Computer cable 1, control cable 3 and compensation cable 2 are arranged in the shape of "pin".

Fig. 5 is a structural schematic diagram of the tensile bending protector in the utility model. The tensile bending protection body 4 is composed of a steel wire rope 17 and a cable core isolation layer 15 on the outer periphery of the steel wire rope 17 .

In the cable, between the tape layer 18 and the central cable assembly, the tensile bending protection body 4, and between the core of the computer cable 1, the compensation cable 2, and the control cable 3 and the cable cladding layer 11, there are filler. The armor layer 14 is a steel wire braided layer. The outer sheath layer 16 and the sheath 19 are chlorinated polyethylene (CPE) sheaths with excellent heat resistance, weather resistance, corrosion resistance, ozone aging resistance, tear resistance, flex resistance, abrasion resistance and flame retardancy layer. The insulating layer 6 is a silicon rubber layer.

In the cable described in the utility model, the conductor 5 is a multi-core tinned copper conductor, the insulating layer 6 is a silicone rubber insulation, the shielding layer 8 is a tinned copper wire braided shielding layer, and the armor layer 14 is a steel wire braided armor layer; Armored layer 14 is added with chlorinated polyethylene (CPE) extruded cable core isolation layer 15, and three steel wire ropes 17 of chlorinated polyethylene (CPE) cable core isolation layer 15 are placed between computer cable 1, compensation cable 2 and control cable 3 as Protective layer for wire cores during frequent bending. After cabling, a circular chlorinated polyethylene (CPE) outer sheath layer 16 is extruded. Among them, the isolation layer 9 between the computer cable 1 wire group and the cable core isolation layer 15 between the computer cable 1, the compensation cable 2 and the control cable 3 can not only enhance the anti-interference ability between the wire groups, but also effectively prevent the wires from being used for bending. Occasionally, the wire group shields rub against each other and damage the wire group shield and insulated wire core.

The utility model adds three chlorinated cables to the control cable 3, the computer cable 1 and the compensation cable 2 in the instrument control cable, the cable core shielding layer 15, the steel wire braided armor layer 14, and the cable core isolation layer 9. The steel wire rope 17 of the polyethylene (CPE) sheath 19 is cabled and formed by extruding a circular outer sheath layer 16 uniformly.

Claims (9)

1, a kind of offshore platform meter specially control sets accepted way of doing sth tension flexible cable; comprise the filler (10) in external sheath layer (16), belting layer (18) and the belting layer (18); it is characterized in that: described belting layer is provided with the center cable assembly in (18); described center cable assembly is made of computer cable (1), control cable (3) and compensating cable (2), is provided with tension bend protection body (4) between described computer cable (1), compensating cable (2) and control cable (3).

2, a kind of offshore platform meter specially control sets accepted way of doing sth tension flexible cable according to claim 1, it is characterized in that: described computer cable (1) and compensating cable (2) all are made of cable core and the outer protective device of cable core respectively, and described cable core is made of conductor that holds insulating barrier (6) (5) and outer line group belting layer (7), screen (8), the separator (9) from inside to outside of insulating barrier (6); Described protective device is made of belting layer (11), cable core screen (12), cable core separator (13), armour (14) and cable core separator (15) from inside to outside successively.

3, a kind of offshore platform meter specially control sets accepted way of doing sth tension flexible cable according to claim 1; it is characterized in that: described control cable is made of cable core and the outer protective device of cable core; described cable core is for holding the conductor (5) of insulating barrier (6); protective device holds cable core, is made of stranding belting layer (11), cable core screen (12), cable core separator (13), armour (14) and cable core separator (15) successively from inside to outside.

4, a kind of offshore platform meter specially control sets accepted way of doing sth tension flexible cable according to claim 1 is characterized in that: described computer cable (1), control cable (3) and compensating cable (2) are " product " font and arrange.

5, a kind of offshore platform meter specially control sets accepted way of doing sth tension flexible cable according to claim 1 is characterized in that: described tension bend protection body (4) is made of the sheath (19) of steel wire rope (17) and steel wire rope (17) periphery.

6, a kind of offshore platform meter specially control sets accepted way of doing sth tension flexible cable according to claim 1; it is characterized in that: between described belting layer (18) and center cable assembly, the tension bend protection body (4), and be equipped with filler between computer cable (1), compensating cable (2), the middle cable core of control cable (3) and the stranding belting layer (11).

7, according to claim 2 or 3 described a kind of offshore platform meter specially control sets accepted way of doing sth tension flexible cables, it is characterized in that: described armour (14) is the steel wire organization level.

8, according to the described a kind of offshore platform meter specially control sets accepted way of doing sth tension flexible cable of arbitrary claim among the claim 1-5, it is characterized in that: described external sheath layer (16) and sheath (19) are haloflex (CPE) layer.

9, according to claim 2 or 3 described a kind of offshore platform meter specially control sets accepted way of doing sth tension flexible cables, it is characterized in that: described insulating barrier (6) is a silastic-layer.

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