CN211929078U

CN211929078U - High-flexibility towline cable

Info

Publication number: CN211929078U
Application number: CN202021082670.XU
Authority: CN
Inventors: 张涛; 赖贵洲; 何玮
Original assignee: Anhui Special Cable Group Co ltd
Current assignee: Anhui Special Cable Group Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2020-11-13
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a high-flexibility towline cable, which comprises a cable core, a first wrapping layer, an inner sheath layer, a toughening layer, a buffer layer and an outer sheath layer, wherein the first wrapping layer, the inner sheath layer, the toughening layer, the buffer layer and the outer sheath layer are sequentially wrapped outside the cable core; a filling layer is arranged between the cable core and the first wrapping layer, the cable core comprises a limiting core and a wire core, limiting grooves are uniformly arranged on the outer surface of the limiting core at intervals, the wire core is arranged in the limiting grooves, and the wire core comprises a conductor, a second wrapping layer, an insulating layer, a third wrapping layer, a copper wire braided shielding layer and a fourth wrapping layer which are sequentially wrapped outside the conductor; toughening layer is enclosed by the core that toughens that inseparable adjacent, and the inside interval of buffer layer is provided with the cushion hole, and the oversheath in situ portion inlays and is equipped with the tensile layer. The utility model discloses the pliability to current tow chain cable is relatively poor, and fatigue resistance ability is weak, and tensile and antitorque commentaries on classics performance are relatively poor, and the short scheduling problem of life improves, the utility model has the advantages of the pliability is good, fatigue resistance is strong, tensile and antitorque commentaries on classics performance are strong, long service life.

Description

High-flexibility towline cable

Technical Field

The utility model relates to a wire and cable technical field especially relates to a high flexibility tow chain cable.

Background

There are many types of cables including power cables, control cables, compensation cables, shielded cables, high temperature cables, computer cables, signal cables, fire resistant cables, tow chain cables, marine cables, mining cables, aluminum alloy cables, and the like. The drag chain cable is a special high-flexibility cable which can move back and forth along with the drag chain and is not easy to wear, and can be generally called as a drag cable or a tank chain cable.

Drag chain cable is when following drag chain round trip movement, drag chain cable can frequent bending, twist reverse and be dragged, current drag chain cable's pliability is relatively poor, thereby drag chain cable's fatigue resistance is relatively poor, in drag chain cable frequent bending, twist reverse the back, unable fine resilience, thereby the broken damaged condition easily appears in the outer jacket of drag chain cable, current drag chain cable's tensile and antitorque commentaries on classics performance are relatively poor, drag chain cable also can appear the broken cracked condition after being frequently dragged, thereby current drag chain cable's life is shorter.

To above technical problem, the utility model discloses a high flexibility tow chain cable, the utility model has the advantages of the pliability is good, fatigue resistance is strong, tensile and antitorque commentaries on classics performance are strong, long service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a high flexibility tow chain cable to the pliability of tow chain cable is relatively poor among the solution prior art, and fatigue resistance ability is weak, and tensile and antitorque commentaries on classics performance are relatively poor, technical problem such as life is short, the utility model has the advantages of the pliability is good, fatigue resistance is strong, tensile and antitorque commentaries on classics performance are strong, long service life.

The utility model discloses a following technical scheme realizes: the utility model discloses a high-flexibility towline cable, which comprises a cable core, a first wrapping layer, an inner sheath layer, a toughening layer, a buffer layer and an outer sheath layer, wherein the first wrapping layer, the inner sheath layer, the toughening layer, the buffer layer and the outer sheath layer are sequentially wrapped outside the cable core; a filling layer is arranged between the cable core and the first wrapping layer, the cable core comprises a limiting core and a wire core, limiting grooves are uniformly arranged on the outer surface of the limiting core at intervals, the wire core is arranged in the limiting grooves, and the wire core comprises a conductor, a second wrapping layer, an insulating layer, a third wrapping layer, a copper wire braided shielding layer and a fourth wrapping layer which are sequentially wrapped outside the conductor; toughening layer is enclosed by the core that toughens that inseparable adjacent, and the inside interval of buffer layer is provided with the cushion hole, and the oversheath in situ portion inlays and is equipped with the tensile layer.

Further, in order to improve the waterproof performance of the drag chain cable, the first wrapping layer, the second wrapping layer, the third wrapping layer and the fourth wrapping layer are all water-blocking tapes and are formed in a wrapping mode.

Furthermore, in order to improve the flexibility of the towline cable, the inner sheath layer and the outer sheath layer are both made of thermoplastic polyurethane materials.

Furthermore, in order to improve the flexibility of the drag chain cable, the toughening core is made of a nylon rod or a rubber rod.

Furthermore, in order to improve the flexibility of the drag chain cable, the buffer layer and the limiting core are both made of TPE materials.

Furthermore, in order to improve the waterproof performance of the drag chain cable, the filling layer is made of a water blocking rope.

Furthermore, in order to improve the tensile property of the drag chain cable, the tensile layer is formed by weaving aramid fiber yarns.

Furthermore, the conductor is formed by stranding at least two copper wires or tinned copper wires.

Further, in order to improve the flexibility of the towline cable, the material of the insulating layer is a thermoplastic polyurethane material.

The utility model has the advantages of it is following:

(1) the utility model discloses an excellent thermoplastic polyurethane material of pliability makes the inner sheath layer of tow chain cable, oversheath layer and insulating layer, and be provided with in the inside of tow chain cable and toughen the layer, it is enclosed by the closely adjacent core that toughens to toughen the layer, the material of toughening the core is nylon stick or the rubber stick that the pliability is better, the inside of tow chain cable still is provided with the buffer layer, the material of buffer layer is the better TPE material of elasticity, thereby the pliability of tow chain cable has been increased, can be fine get back to the original state after the tow chain cable is crooked, the fatigue resistance of tow chain cable has been improved, the buffer hole in the buffer layer can cushion torsional force and pressure that the tow chain cable received simultaneously, thereby, the anti-torsion and the compressive property of tow chain cable have also been improved, the inner structure of tow chain cable is difficult for damaging;

(2) the utility model discloses at the embedded tensile layer that is equipped with of outer restrictive coating, the tensile layer is woven for aramid fiber silk and forms to improve the tensile strength of tow chain cable, thereby improved the life of tow chain cable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a spacing core;

figure 3 is a cross-sectional view of the core.

In the figure: 1. a cable core; 11. a limiting core; 12. a wire core; 111. a limiting groove; 121. a conductor; 122. a second lapping layer; 123. an insulating layer; 124. a third lapping layer; 125. weaving a shielding layer by using copper wires; 126. a fourth lapping layer; 2. a first lapping layer; 3. an inner jacket layer; 4. a toughening layer; 41. a toughening core; 5. a buffer layer; 51. a buffer hole; 6. an outer jacket layer; 61. a tensile layer; 7. and (5) filling the layer.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

Embodiment 1 discloses a high-flexibility towline cable, which comprises a cable core 1, and a first wrapping layer 2, an inner sheath layer 3, a toughening layer 4, a buffer layer 5 and an outer sheath layer 6 which are sequentially coated outside the cable core 1, wherein the inner sheath layer 3 and the outer sheath layer 6 are both made of thermoplastic polyurethane materials; a filling layer 7 is arranged between the cable core 1 and the first wrapping layer 2, the filling layer 7 is made of a water-blocking rope, and the cable core 1 comprises a limiting core 11 and a wire core 12; as shown in fig. 2, the outer surface of the limiting core 11 is uniformly provided with limiting grooves 111 at intervals; as shown in fig. 1 and 2, the wire core 12 is disposed in the stopper groove 111; as shown in fig. 3, the wire core 12 includes a conductor 121, and a second wrapping layer 122, an insulating layer 123, a third wrapping layer 124, a copper wire braided shielding layer 125 and a fourth wrapping layer 126 sequentially wrapping the conductor 121, where the conductor 121 is formed by twisting at least two copper wires, the insulating layer 123 is made of a thermoplastic polyurethane material, the first wrapping layer 2, the second wrapping layer 122, the third wrapping layer 124 and the fourth wrapping layer 126 are all formed by wrapping a water-blocking tape, and the buffer layer 5 and the limiting core 11 are made of TPE materials; as shown in fig. 1, the toughening layer 4 is formed by surrounding closely adjacent toughening cores 41, the toughening cores 41 are made of nylon rods, the buffer holes 51 are formed in the buffer layer 5 at intervals, the tensile layer 61 is embedded in the outer sheath layer 6, and the tensile layer 61 is formed by weaving aramid fibers.

The principle of the utility model is as follows: the utility model discloses an excellent thermoplastic polyurethane material of pliability makes inner sheath layer 3 of tow chain cable, outer sheath layer 6 and insulating layer 123, and be provided with in the inside of tow chain cable and toughen layer 4, toughen layer 4 and enclose by closely adjacent toughening core 41, the material of toughening core 41 is nylon stick and the rubber stick that the pliability is better, the inside of tow chain cable still is provided with buffer layer 5, the material of buffer layer 5 is the TPE material that elasticity is better, thereby the pliability of tow chain cable has been increased, can be fine get back to the original state after the tow chain cable is crooked, the fatigue resistance of tow chain cable has been improved, simultaneously the buffer hole 51 in buffer layer 5 can cushion torsional force and pressure that the tow chain cable received, thereby, also improved the antitorque commentaries on classics and compressive property of tow chain cable, the inner structure of tow chain cable is difficult for damaging; the utility model discloses at the embedded tensile layer 61 that is equipped with of outer restrictive coating 6, tensile layer 61 is woven for aramid fiber silk and forms to improve the tensile strength of tow chain cable, thereby improved the life of tow chain cable.

Example 2

The embodiment 2 discloses a high-flexibility towline cable, which comprises a cable core 1, and a first wrapping layer 2, an inner sheath layer 3, a toughening layer 4, a buffer layer 5 and an outer sheath layer 6 which are sequentially coated outside the cable core 1, wherein the inner sheath layer 3 and the outer sheath layer 6 are both made of thermoplastic polyurethane materials; the filling layer 7 is arranged between the cable core 1 and the first wrapping layer 2, the filling layer 7 is made of a water-blocking rope, the cable core 1 comprises a limiting core 11 and a wire core 12, limiting grooves 111 are uniformly formed in the outer surface of the limiting core 11 at intervals, the wire core 12 is arranged in the limiting grooves 111, the wire core 12 comprises a conductor 121, a second wrapping layer 122, an insulating layer 123, a third wrapping layer 124, a copper wire woven shielding layer 125 and a fourth wrapping layer 126, the conductor 121 is formed by twisting at least two tinned copper wires, the insulating layer 123 is made of a thermoplastic polyurethane material, the first wrapping layer 2, the second wrapping layer 122, the third wrapping layer 124 and the fourth wrapping layer 126 are formed by wrapping a water-blocking tape, and the buffer layer 5 and the limiting core 11 are made of TPE materials; toughening layer 4 is enclosed by closely adjacent toughening core 41, and the material of toughening core 41 is the rubber stick, and the inside interval of buffer layer 5 is provided with buffer hole 51, and 6 inside inlays of oversheath layer and is equipped with tensile layer 61, and tensile layer 61 is woven for aramid fiber silk and forms.

Claims

1. A high-flexibility towline cable is characterized by comprising a cable core, and a first wrapping layer, an inner sheath layer, a toughening layer, a buffer layer and an outer sheath layer which are sequentially coated outside the cable core;

a filling layer is arranged between the cable core and the first wrapping layer, the cable core comprises a limiting core and a wire core, limiting grooves are uniformly arranged on the outer surface of the limiting core at intervals, the wire core is arranged in the limiting grooves, and the wire core comprises a conductor, and a second wrapping layer, an insulating layer, a third wrapping layer, a copper wire braided shielding layer and a fourth wrapping layer which are sequentially wrapped outside the conductor;

the toughening layer is enclosed by closely adjacent toughening cores, the inside interval of buffer layer is provided with the cushion hole, the inside tensile layer that is equipped with that inlays of oversheath layer.

2. The highly flexible towline cable of claim 1, wherein said first, second, third and fourth wrapped layers are water-blocking tape wrapped.

3. The highly flexible towline cable of claim 1, wherein the inner sheath layer and the outer sheath layer are both of a thermoplastic polyurethane material.

4. The highly flexible towline cable of claim 1, wherein the material of the toughening core is a nylon rod or a rubber rod.

5. The highly flexible towline cable of claim 1, wherein the cushioning layer and the spacing core are both TPE material.

6. The highly flexible towline cable of claim 1, wherein the material of the filler layer is a water-blocking rope.

7. The highly flexible towline cable of claim 1, wherein the tensile layer is woven from aramid filaments.

8. The highly flexible towline cable of claim 1, wherein said conductor is stranded of not less than two copper wires or tinned copper wires.

9. The highly flexible towline cable of claim 1, wherein the material of said insulating layer is a thermoplastic polyurethane material.