CN220252884U

CN220252884U - Heat-resistant oil-resistant cable

Info

Publication number: CN220252884U
Application number: CN202320988786.7U
Authority: CN
Inventors: 肖尚浩; 胡春宇; 束义飞; 吴振; 张绪东; 董学文
Original assignee: Anhui Huaneng Cable Co ltd
Current assignee: Anhui Huaneng Cable Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-12-26
Anticipated expiration: 2033-04-27

Abstract

The utility model provides a heat-resistant and oil-resistant cable, which belongs to the technical field of cables for oil platform drilling and comprises four groups of wire cores, wherein each group of wire cores comprises a copper conductor formed by twisting a plurality of strands of copper wires, a silicon rubber insulating sheath formed by extrusion of an extrusion machine is arranged outside each copper conductor, the four groups of wire cores are externally provided with heat-insulating functional layers, each heat-insulating functional layer comprises a high-temperature-resistant elastic framework wound into a spiral line, and the curved surface positions of the high-temperature-resistant elastic frameworks are matched with aluminum wires.

Description

Heat-resistant oil-resistant cable

Technical Field

The utility model mainly relates to the technical field of cables for oil platform drilling, in particular to a heat-resistant and oil-resistant cable.

Background

The oil platform, also known as a drilling platform, is a large structural facility located at sea for drilling wells to extract oil and gas and to store it temporarily until the oil is transported to a refinery on land where it is split into crude oil into products, where the electrical transport within the facility is accomplished by electrical cables.

The cable is an electric energy or signal transmission device, and is usually composed of several or several groups of wires, and the cable is composed of a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, and is generally composed of a conductor, an insulating layer and an outer sheath, so as to be used for connecting circuits, electric appliances and the like, wherein in an oil platform, the cable with good heat resistance and oil resistance is mostly adopted.

At present, in order to improve the heat resistance and oil resistance of a cable in drilling equipment, a high-temperature-resistant silicon rubber sheath is generally adopted on an outer sheath, the outer diameter is generally not less than 6mm, an insulating layer comprising an inner conductor is also made of silicon rubber, and a plurality of functional layers are added, so that the temperature resistance of the cable reaches 200 ℃, the mode isolates the outside temperature, but in the drilling process, the copper conductor also generates high temperature due to the fact that the cable bears high-power output for a long time, the temperature of the cable cannot be rapidly dispersed, oxidization is accelerated, damage is caused, and the service life of the cable is shortened.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly mainly provides a heat-resistant and oil-resistant cable which is used for solving the technical problem that the majority of cables for well drilling at present, which are proposed in the background art, can isolate the external high temperature well, but can not dissipate the internal conductor heat well.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a heat-resisting oil-resistant cable, includes four groups sinle silk, every group the sinle silk all includes the fashioned copper conductor of stranded copper wire hank, every all be provided with the silicone rubber insulating sheath of the crowded package shaping through the crowded chartered plane outward, and all be provided with the filler between every adjacent two sets of sinle silk, four groups the sinle silk is provided with the thermal insulation functional layer outward, the thermal insulation functional layer is including the high temperature resistant elasticity skeleton of lapping into the helix, just the curved surface position cooperation of high temperature resistant elasticity skeleton has the aluminium wire.

Further, the aluminum wire is formed by twisting a plurality of aluminum wires.

Further, the pitch of the spiral line formed by the high-temperature resistant elastic framework is 0.3mm-0.5mm.

Further, the heat insulation functional layer further comprises a polyvinyl chloride heat insulation layer, and the polyvinyl chloride heat insulation layer is wrapped outside the four groups of wire cores.

Further, an oil-resistant bottom layer formed by extrusion is arranged outside the heat insulation function layer, an oil-resistant nitrile rubber protective layer is arranged on the oil-resistant bottom layer, and the thickness of the oil-resistant nitrile rubber protective layer is the same as that of the oil-resistant bottom layer.

Further, an extrusion-molded polyvinyl chloride resin outer sheath is arranged on the oil-resistant nitrile rubber protective layer.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the silicone rubber insulating sheath, the oil-resistant bottom layer, the oil-resistant nitrile rubber protective layer and the polyvinyl chloride resin outer sheath, the cable is guaranteed to have good heat resistance and oil resistance, the cable can be better used for drilling an oil platform, and the polyvinyl chloride insulating layer, the high-temperature resistant elastic framework and the aluminum wires are mutually matched, so that the conductor in the cable can normally dissipate heat on the premise that the cable has certain heat resistance and oil resistance, the phenomenon that the conductor cannot dissipate heat timely and is damaged at high temperature due to long-time high-power operation of the cable is avoided, the service life of the cable is effectively prolonged, and due to the fact that the high-temperature elastic framework and the aluminum wires are distributed in a spiral line, the heat dissipation of the conductor in the cable is further improved, and the spiral line has good ductility and bending property, the aluminum materials are lighter, and the cable is convenient to wire by workers, so that the cable has a certain practical value.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

fig. 2 is a schematic cross-sectional structure of the present utility model.

In the figure: 1. a wire core; 11. a copper conductor; 12. a silicone rubber insulating sheath; 2. a thermal insulating functional layer; 21. polyvinyl chloride thermal insulation layer; 22. a high temperature resistant elastic skeleton; 23. an aluminum wire; 3. an oil resistant bottom layer; 4. an oil-resistant nitrile rubber protective layer; 5. a polyvinyl chloride resin outer sheath; 6. and filling the blocks.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this utility model belongs, and the knowledge of terms used in the description of this utility model herein for the purpose of describing particular embodiments is not intended to limit the utility model, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, a heat-resistant and oil-resistant cable comprises four groups of wire cores 1, each group of wire cores 1 comprises a copper conductor 11 formed by twisting a plurality of strands of copper wires, a silicone rubber insulating sheath 12 formed by extrusion of an extruder is arranged outside each copper conductor 11, filling blocks 6 are arranged between every two adjacent groups of wire cores 1, a heat-insulating functional layer 2 is arranged outside each wire core 1, the heat-insulating functional layer 2 comprises a high-temperature-resistant elastic framework 22 wound into a spiral line, and aluminum wires 23 are matched with the curved surface positions of the high-temperature-resistant elastic frameworks 22.

Through the structure, the cable can be better used for oil platform drilling, and on the premise of ensuring better heat resistance and oil resistance, the conductor inside the cable can be enabled to normally dissipate heat, so that the phenomenon that the conductor is not timely in heat dissipation and damaged at high temperature due to long-time high-power operation of the cable is avoided, the service life of the cable is effectively prolonged, and the cable has a certain practical value;

referring to fig. 2, the aluminum wires 23 are formed by twisting a plurality of strands of aluminum wires, the aluminum wires are light, have good ductility, reduce the quality of the cable, facilitate the wiring of workers, reduce the working difficulty, the high-temperature resistant elastic framework 22 forms a spiral line with a pitch of 0.3mm-0.5mm, has a certain distance pitch, facilitates the bending of the cable, and simultaneously improves the heat dissipation performance of the inner conductor, the heat insulation functional layer 2 further comprises a polyvinyl chloride heat insulation layer 21, the polyvinyl chloride heat insulation layer 21 is wrapped outside the four groups of wire cores 1, the wrapping of the four groups of wire cores 1 inside is realized through the polyvinyl chloride heat insulation layer 21, a supporting surface is also provided for the construction of the framework, the heat insulation functional layer 2 is provided with an oil-resistant bottom layer 3 formed by extrusion, the oil-resistant nitrile rubber protective layer 4 is arranged on the oil-resistant bottom layer 3, the oil-resistant nitrile rubber protective layer 4 and the oil-resistant bottom layer 3 have the same thickness, the oil-resistant nitrile rubber protective layer 4 is provided with an extrusion-shaped outer sheath 5, and the heat resistance performance of the cable is improved by the oil-resistant bottom layer 3, the oil-resistant nitrile rubber protective layer 4 and the outer sheath 5.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims

1. The utility model provides a heat-resisting oil-resistant cable, includes four groups sinle silk (1), every group sinle silk (1) all include by stranded copper wire hank system fashioned copper conductor (11), every copper conductor (11) all are provided with outside through crowded chartered plane crowded fashioned silicone rubber insulating sheath (12), and all are provided with filler block (6) between every adjacent two groups sinle silk (1), its characterized in that, four groups sinle silk (1) are provided with thermal insulation functional layer (2) outward, thermal insulation functional layer (2) are including wrapping into high temperature resistant elastic skeleton (22) of helix, just the curved surface position cooperation of high temperature resistant elastic skeleton (22) has aluminium wire (23).

2. A heat and oil resistant cable according to claim 1, characterized in that the aluminium wire (23) is formed by a plurality of aluminium strands.

3. A heat and oil resistant cable according to claim 1, characterized in that the pitch of the helix formed by the high temperature resistant elastic skeleton (22) is 0.3mm-0.5mm.

4. The heat and oil resistant cable according to claim 1, wherein the heat insulating functional layer (2) further comprises a polyvinyl chloride heat insulating layer (21), and the polyvinyl chloride heat insulating layer (21) is wrapped outside the four groups of wire cores (1).

5. The heat-resistant and oil-resistant cable according to claim 4, wherein an oil-resistant bottom layer (3) formed by extrusion is arranged outside the heat-insulating functional layer (2), an oil-resistant nitrile rubber protective layer (4) is arranged on the oil-resistant bottom layer (3), and the oil-resistant nitrile rubber protective layer (4) and the oil-resistant bottom layer (3) are the same in thickness.

6. The heat and oil resistant cable according to claim 5, wherein the oil resistant nitrile rubber protective layer (4) is provided with an extrusion molded polyvinyl chloride resin outer sheath (5).