Aramid fiber load-bearing overhead cable

Abstract

The utility model belongs to the technical field of cable manufacturing, and particularly relates to an aramid fiber load-bearing overhead cable, which comprises an outer protection layer and an inner sleeve cable, the outer protection layer sequentially comprises an inner lining layer, an armor layer, a tensile layer and an outer cover layer from inside to outside, and the inner sleeve cable comprises a plurality of inner core cables and a plurality of reinforcing ropes. The plurality of inner core cables and the plurality of reinforcing ropes are woven in a staggered and twisted manner; the tensile layer is a ring cover layer formed by weaving a plurality of aramid ropes; the reinforcing rope is a rope body formed by weaving a plurality of aramid ropes. According to the utility model, the inner core cable and the reinforcing rope are arranged in the lining in a staggered manner, the aramid fiber material adopted by the reinforcing rope is used for improving the tensile strength of the inner core cable, and the aramid fiber material adopted by the tensile layer is used for improving the tensile strength of the cable again, so that the overhead weighing effect of the cable and the tensile effect of underwater detection equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable manufacturing technical field, concretely relates to a kind of aramid load-bearing overhead cable. BACKGROUND

[0002] Cables are power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. They are composed of single or multiple wires and insulation layers to connect circuits, electrical appliances, etc.

[0003] Problems of prior art:

[0004] The current cable is used for long-distance overhead or underwater detection equipment connection. The cable is pulled and broken by its own weight or the pressure of the equipment, which affects the transmission of the cable to the electrical signal. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of aramid load-bearing overhead cable, to solve the current cable is used for long-distance overhead or underwater detection equipment connection. The cable is pulled and broken by its own weight or the pressure of the equipment, which affects the transmission of the cable to the electrical signal.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] The utility model provides a kind of aramid load-bearing overhead cable, including outer protective layer and inner cable sleeve, outer protective layer is successively from inside to outside inner liner, armored layer, tensile layer and outer cover layer, the inner cable sleeve includes multiple inner core cables and multiple reinforcing ropes, multiple the inner core cables and multiple reinforcing ropes are staggered spiral knitting between them;

[0008] The tensile layer is woven into a ring cover layer by multiple aramid ropes.

[0009] The reinforcing rope is woven into a rope body by multiple aramid ropes.

[0010] As a preferred embodiment, the inner core cable includes multiple copper core conductors and a shielding layer, the shielding layer is filled with a filling glue impregnated with the copper core conductor, the multiple copper core conductors are staggered woven, and the shielding layer is wrapped with an insulation layer.

[0011] As a preferred embodiment, the armored layer is woven by steel belt steel wire.

[0012] Advantages:

[0013] The utility model discloses a kind of aramid weight-bearing overhead cables, including outer protective layer and inner cable, outer protective layer is from inside to outside in turn inner lining 3, armour layer 4, tensile layer 5 and outer cover 6, inner cable includes multiple inner core cables 1 and multiple reinforcing ropes 2, and multiple inner core cables 1 and multiple reinforcing ropes 2 are interlaced spiral woven between them. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view structure schematic diagram of the utility model, and it is the front view structure schematic diagram of the utility model.

[0015] Figure 2 It is the structure schematic diagram of the inner core cable in the utility model.

[0016] In the drawings, the component list represented by each sign is as follows:

[0017] 1, inner core cable;11, copper core conductor;12, filling glue;13, shielding layer;14, insulating layer;2, reinforcing rope;3, inner lining layer;4, armour layer;5, tensile layer;6, outer cover layer. DETAILED DESCRIPTION

[0018] In order to make the purpose and the advantage of the utility model more clearly and clearly, the utility model is specifically explained below with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope specifically requested by the utility model.

[0019] As Figure 1 Shown, a kind of aramid weight-bearing overhead cable, including outer protective layer and inner cable, outer protective layer is from inside to outside in turn inner lining 3, armour layer 4, tensile layer 5 and outer cover 6, inner cable includes multiple inner core cables 1 and multiple reinforcing ropes 2, and multiple inner core cables 1 and multiple reinforcing ropes 2 are interlaced spiral woven between them.

[0020] Tensile layer 5 is woven into ring cover layer by multiple aramid ropes, and weaving density is not less than 90%, and aramid rope uses ternary copolymer aromatic polyamide fiber, so that tensile protection is formed to cable as a whole, to improve overhead weighing effect;

[0021] Reinforcing rope 2 is woven into rope body by multiple aramid ropes, and weaving density is not less than 95%, and aramid rope uses ternary copolymer aromatic polyamide fiber, and the tensile effect of copper core conductor 11 is improved by the material properties of ternary copolymer aromatic polyamide fiber, to avoid fracture.

[0022] Refer to the attached Figure 2The inner core cable 1 includes multiple copper core conductors 11 and a shielding layer 13. The shielding layer 13 is filled with filler adhesive 12 that is impregnated with the copper core conductors 11. The multiple copper core conductors 11 are interwoven. The shielding layer 13 is wrapped with an insulation layer 14. The filler adhesive 12 is SBS Sinopec Baling 1402E adhesive, which improves the insulation effect between the copper core conductors 11 and the shielding layer 13.

[0023] Furthermore, the armor layer 4 is formed by steel strip and steel wire braiding with a braiding density of not less than 70%, which can improve the protection of the cable.

[0024] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. An aramid load-bearing aerial cable, characterized by: The outer protective layer comprises, from inside to outside, an inner liner (3), an armored layer (4), a tensile layer (5) and an outer cover layer (6), and the inner sleeve cable comprises a plurality of inner core cables (1) and a plurality of reinforcing ropes (2), and the plurality of inner core cables (1) and the plurality of reinforcing ropes (2) are staggered and spiral-woven; The tensile layer (5) is formed by weaving a plurality of aramid ropes to form a ring cover layer, and the weaving density is not less than 90%; The reinforcing rope (2) is formed by weaving a plurality of aramid ropes to form a rope body, and the weaving density is not less than 95%; The inner core cable (1) comprises a plurality of copper core conductors (11) and a shielding layer (13), the shielding layer (13) is filled with filling glue (12) impregnated with the copper core conductors (11), the plurality of copper core conductors (11) are staggered and woven, and the shielding layer (13) is wrapped with an insulating layer (14); The armored layer (4) is formed by weaving steel belt steel wires, and the weaving density is not less than 70%.

Images