High-strength high-temperature-resistant drag chain cable

Abstract

The utility model discloses a high-strength high-temperature-resistant drag chain cable, which comprises a plurality of wire cores, each wire core comprises a conductor and an insulating layer, the conductor is formed by twisting soft copper wires, a strand of high-strength fiber is added in each strand of twisted copper wire, the twisting pitch diameter ratio of the copper wires is 6-14 times, and the insulating layer is coated on the outer side of the conductor; filling bodies are arranged between the adjacent wire cores, and the plurality of wire cores and the filling bodies are wrapped by an outer sheath. According to the utility model, the conductor adopts the sixth kind of soft copper wires and the high-strength fibers, and the stranding pitch diameter ratio is controlled to be 6-14 times, so that the flexibility and the tensile strength of the product are ensured; the filling bodies are arranged between the adjacent wire cores, filling is carried out between each strand of wire cores, the wrapping direction of the cabling wrapping tape is kept consistent with that of the cabling, the structure enables the product to be more round and soft, friction and mechanical stress between the wire cores are reduced, and it is guaranteed that the wire cores are stressed more evenly in operation.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a high-strength and high-temperature resistant drag chain cable. Background Art

[0002] With the widespread application of modern automation equipment, the application of drag chain cables is more extensive, especially in the metallurgical industry with high ambient temperature. Since the drag chain cables need to be frequently moved when used in the equipment, the requirements for the strength and high temperature resistance of the drag chain cables are relatively high. The quality of these properties directly affects the service life of the drag chain cables.

[0003] Conventional drag chain cable structure: The conductor is generally made of copper wire, and the sheath is made of polyurethane material. Although this material ensures the tensile strength of the cable, it is relatively hard and its performance will be damaged in high temperature environment. Utility Model Content

[0004] The utility model aims to provide a high-strength and high-temperature resistant drag chain cable to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength and high-temperature resistant drag chain cable, comprising a plurality of wire cores, wherein the wire cores comprise conductors and insulating layers, wherein the conductors are twisted with soft copper wires, and a strand of high-strength fiber wire is added to each strand of twisted copper wire, and the twisted pitch-diameter ratio of the copper wire is 6-14 times, and the insulating layer is coated on the outside of the conductor; a filler is arranged between adjacent wire cores, and the plurality of wire cores and the filler are coated with an outer sheath.

[0006] Preferably, the insulating layer is a PVC insulating layer.

[0007] Preferably, the outer sheath is a thermoplastic silicone elastomer sheath.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] The conductor is made of the sixth type of soft copper wire and high-strength fiber wire, and the twisted pitch ratio is controlled at 6-14 times, which ensures both the softness and tensile strength of the product.

[0010] Fillers are provided between adjacent cores, and each core is filled. The wrapping direction of the cable wrapping tape is consistent with the cable. This structure makes the product more round and softer, while reducing friction and mechanical stress between cores, ensuring that the cores are more evenly stressed during operation.

[0011] The outer sheath is made of thermoplastic silicone elastomer si-tpv, which has high strength, excellent high resistance, UV resistance, non-stickiness, no dust, excellent anti-fouling, excellent coating performance, low friction coefficient, excellent wear resistance and high resilience. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] In the figure: 1. conductor; 2. insulation layer; 3. filling body; 4. outer sheath. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0016] See also Figure 1 In an embodiment of the utility model, a high-strength and high-temperature resistant drag chain cable comprises a plurality of wire cores, wherein the wire core comprises a conductor 1 and an insulating layer 2, wherein the conductor 1 is twisted with soft copper wires, and a strand of high-strength fiber wire is added to each strand of the twisted copper wire, and the twisted pitch-diameter ratio of the copper wire is 6-14 times, and the conductor is twisted with the sixth soft copper wire, and a strand of high-strength fiber wire is added to each strand of the twisted wire, and the twisted pitch-diameter ratio of the copper wire is controlled to be 6-14 times; the insulating layer 2 is coated on the outside of the conductor 1, and the insulating layer 2 is a PVC insulating layer, and the insulation is made of modified PVC material, which is extruded so that the insulating material is tightly wrapped around the conductor core;

[0017] A filler 3 is arranged between adjacent cores, and the multiple cores and fillers 3 are covered by an outer sheath 4. When cabling, the twisting directions of the inner and outer layers are kept consistent, and each core is filled. The wrapping direction of the cabling tape is consistent with that of the cabling; the outer sheath 4 is made of a thermoplastic silicone elastomer sheath, and the outer sheath 4 is made of a thermoplastic silicone elastomer SI-TPV, which is wrapped on the cable core.

[0018] The conductor adopts a stronger structure to ensure that the product has sufficient strength in later use. The insulating material must be able to ensure the electrical performance. The sheath material adopts a high-strength and high-temperature resistant material. This composition not only ensures the electrical performance and tensile strength of the product, but also ensures that the product can work normally in a high-temperature environment.

[0019] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-strength, high-temperature resistant drag chain cable, comprising a plurality of wire cores, characterized in that: The wire core comprises a conductor (1) and an insulating layer (2); the conductor (1) is made of soft copper wires twisted together, and each strand of the twisted copper wire is added with a strand of high-strength fiber wire, and the twisted copper wire pitch ratio is 6-14 times; the insulating layer (2) is coated on the outside of the conductor (1); A filling body (3) is provided between adjacent wire cores, and the plurality of wire cores and the filling body (3) are covered by an outer sheath (4).

2. A high-strength, high-temperature resistant drag chain cable according to claim 1, characterized in that: The insulating layer (2) is a PVC insulating layer.

3. A high-strength and high-temperature resistant drag chain cable according to claim 1, characterized in that: The outer sheath (4) is a thermoplastic silicone elastomer sheath.

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