Bending-resistant composite marine cable

Abstract

The utility model relates to the field of cables, and discloses an anti-bending composite marine cable comprising a cable body which is composed of a plurality of insulating layers, a plurality of wires, a first shielding layer, an insulating filler, a fiber tensile layer, an outer sheath, a spiral steel wire, a waterproof filler, a wrapping tape, a second shielding layer and an armored protection layer. The wire is fixed in the insulating layer, the first shielding layer is arranged on the outer wall of the wire, the insulating filler is filled between the wire and the first shielding layer, the fiber tensile layer is arranged on the outer wall of the first shielding layer, and the outer sheath is arranged on the outer wall of the fiber tensile layer. According to the utility model, through the cooperation of the fiber tensile layer and the spiral steel wire, uniform supporting force can be provided for the cable body, so that the cable body has good flexibility while maintaining high strength, thereby reducing fatigue damage of the outer sheath and the internal structure when the cable body is repeatedly bent, and improving the reliability of the cable body. And the fracture phenomenon of the lead is effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cable, concretely is a kind of anti-bending composite marine cable. BACKGROUND

[0002] Cable is a transmission carrier of electric energy or signal, usually several or several groups of wires are formed, and various material layers are usually wrapped outside to achieve heat resistance, waterproofness, antistatic effect and the like.

[0003] The utility model discloses a kind of marine high-temperature-resistant cables with publication No.

[0004] In the above scheme, the armored layer is woven by metal wire, which has the effect of strengthening protection, but it has the following shortcomings: the cable is pulled and bent by the staff during laying, which causes the outer sheath and internal structure to be easily damaged, so that the wire cable is prone to breakage, thereby reducing the reliability and durability of the cable. Utility model content

[0005] The utility model aims at providing a kind of anti-bending composite marine cable to solve the problem that the cable is pulled and bent by the staff during laying, which causes the outer sheath and internal structure to be easily damaged, so that the wire cable is prone to breakage.

[0006] To achieve the above-mentioned utility model purposes, the utility model adopts the following technical solutions: a kind of anti-bending composite marine cable, including cable body, the cable body is by several insulating layers, several wires, first shielding layer, insulating filler, fiber tensile layer, outer sheath, spiral steel wire, waterproof filler, tape, second shielding layer, armored protection layer, the wire is fixed in insulating layer, the first shielding layer is arranged on the outer wall of wire, the insulating filler is filled between wire and first shielding layer, the fiber tensile layer is arranged on the outer wall of first shielding layer, the outer sheath is arranged on the outer wall of fiber tensile layer, the spiral steel wire is wound on the outer wall of fiber tensile layer.

[0007] Preferably, the outer wall of the fiber tensile layer is filled with waterproof filler.

[0008] Preferably, the wrapping is wrapped on the outer wall of the first shielding layer, and the second shielding layer is wrapped on the outer wall of the wrapping.

[0009] Preferably, the armored protection layer is arranged on the inner wall of the outer sheath, and the waterproof filler is filled between the fiber tensile layer and the armored protection layer.

[0010] Preferably, the first shielding layer and the second shielding layer are copper wire braided layers.

[0011] Preferably, the insulating layer is cross-linked polyethylene.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] One, through the cooperation of the fiber tensile layer and the spiral steel wire, uniform support force can be provided for the cable body, so that the cable body has good flexibility while maintaining high strength, so that the fatigue damage of the outer sheath and the internal structure can be reduced when the cable body is repeatedly bent, the wire breakage phenomenon is effectively prevented, and the reliability and durability of the cable body are improved. Through the cooperation of the first shielding layer and the second shielding layer, the electromagnetic interference outside the cable body can be effectively shielded, the cable body can maintain stable signal transmission in the environment of dense ship electrical equipment, the copper wire braided layer has good flexibility, can maintain the integrity of the structure when the cable body is repeatedly bent, and the risk of breaking of the first shielding layer and the second shielding layer is reduced.

[0014] Two, the waterproof filler can effectively prevent water from entering the cable body, prevent the wire and the insulating layer from being damaged due to damp, and ensure the long-term stability of the electrical performance of the cable body in the humid and salt fog environment of the ship, and prolong the service life. The armored protection layer is made of steel wire or steel belt, which can provide additional mechanical protection for the cable body, prevent damage caused by external pressure, impact or friction, significantly improve the tensile strength of the cable body, provide support when the cable body is bent, and reduce the stress concentration of the internal structure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a three-dimensional schematic view of an embodiment.

[0016] Fig. 2 It is a split schematic view of an embodiment.

[0017] Fig. 3 It is a sectional view schematic view of an embodiment.

[0018] In the figure: 1, cable body; 101, insulation layer; 2, wire; 3, first shielding layer; 4, insulating filler; 5, fiber tensile layer; 6, outer sheath; 7, spiral steel wire; 8, waterproof filler; 9, tape; 10, second shielding layer; 11, armored protective layer. DETAILED DESCRIPTION

[0019] The preferred embodiment of the utility model is described in detail below with reference to the drawings.

[0020] As Figs. 1-3 shown, a kind of anti-bending composite marine cable, including cable body 1, the cable body 1 is by several insulation layers 101, several wires 2, first shielding layer 3, insulating filler 4, fiber tensile layer 5, outer sheath 6, spiral steel wire 7, waterproof filler 8, tape 9, second shielding layer 10, armored protective layer 11 composition, wire 2 is fixed in insulation layer 101, first shielding layer 3 is arranged in the outer wall of wire 2, insulating filler 4 is filled between wire 2 and first shielding layer 3, fiber tensile layer 5 is arranged in the outer wall of first shielding layer 3, outer sheath 6 is arranged in the outer wall of fiber tensile layer 5, spiral steel wire 7 is wound in the outer wall of fiber tensile layer 5, insulation layer 101 is crosslinked polyethylene, first shielding layer 3 and second shielding layer 10 are copper wire braiding layer.

[0021] In use, by the cooperation of fiber tensile layer 5 and spiral steel wire 7, cable body 1 can be provided with uniform support force, so that cable body 1 has good flexibility while maintaining high strength, so that cable body 1 can reduce fatigue damage of outer sheath 6 and internal structure when repeatedly bending, effectively prevent wire 2 from breaking, and further improve the reliability and durability of cable body 1. By the cooperation of first shielding layer 3 and second shielding layer 10, the electromagnetic interference outside cable body 1 can be effectively shielded, to ensure that cable body 1 maintains stable signal transmission in the environment of dense ship electrical equipment, and the copper wire braiding layer has good flexibility, so that the integrity of the structure can be maintained when cable body 1 is repeatedly bent, to reduce the risk of breaking of first shielding layer 3 and second shielding layer 10.

[0022] As Figs. 1-3 shown, the outer wall of fiber tensile layer 5 is filled with waterproof filler 8, tape 9 is covered on the outer wall of first shielding layer 3, second shielding layer 10 is covered on the outer wall of tape 9, armored protective layer 11 is arranged on the inner wall of outer sheath 6, and waterproof filler 8 is filled between fiber tensile layer 5 and armored protective layer 11.

[0023] In use, the water-proof filler 8 can effectively prevent moisture from entering the inside of the cable body 1, prevent the damage of the conductor 2 and the insulating layer 101 due to damp, and ensure the long-term stability of the electrical performance of the cable body 1 and prolong the service life in the wet and salt fog environment of the ship. The armored protection layer 11 is made of steel wire or steel belt, which can provide additional mechanical protection for the cable body 1, prevent damage caused by external force extrusion, impact or friction, significantly improve the tensile strength of the cable body 1, provide support when the cable body 1 is bent, and reduce the stress concentration of the internal structure.

[0024] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A kink-resistant composite marine cable comprising a cable body (1), characterized in that, The cable body (1) is composed of several insulating layers (101), several wires (2), a first shielding layer (3), an insulating filler (4), a fiber tensile layer (5), an outer sheath (6), a spiral steel wire (7), a waterproof filler (8), a wrapping tape (9), a second shielding layer (10), and an armored protection layer (11).

2. A kink resistant composite marine cable according to claim 1, characterized in that: The outer wall of the fiber tensile layer (5) is filled with the waterproof filler (8).

3. A kink resistant composite marine cable according to claim 1, characterized in that: The wrapping tape (9) is wrapped on the outer wall of the first shielding layer (3), and the second shielding layer (10) is wrapped on the outer wall of the wrapping tape (9).

4. A kink resistant composite marine cable according to claim 2, characterized in that: The armored protection layer (11) is arranged on the inner wall of the outer sheath (6), and the waterproof filler (8) is filled between the fiber tensile layer (5) and the armored protection layer (11).

5. A kink resistant composite marine cable according to claim 3, characterized in that: The first shielding layer (3) and the second shielding layer (10) are copper wire woven layers.

6. A kink resistant composite marine cable according to claim 1, characterized in that: The insulating layer (101) is cross-linked polyethylene.

Images