Tensile load-bearing composite cable

Abstract

The utility model discloses a tensile load-bearing composite cable which comprises tensile wire cores, a plurality of power wire cores are uniformly distributed on the outer side of the tensile wire cores, the tensile wire cores and the power wire cores are wrapped by a wrapping layer, a sheath layer is wrapped on the outer side of the wrapping layer, steel wire tensile wire cores are arranged on the two sides of the sheath layer, and the steel wire tensile wire cores are arranged on the outer side of the sheath layer. The outer side of the steel wire tensile wire core is protected by a core wire sheath. According to the utility model, the plurality of power wire cores are uniformly distributed on the outer side of the tensile wire core, the steel wire tensile wire cores are arranged on the two sides of the sheath layer, the tensile wire cores adopt Kevlar braided tensile wire cores, and the design of one-time extrusion molding of the parallel load-bearing and power wire cores is adopted, so that the situation that the cable is easily damaged due to strong dragging is effectively prevented; and meanwhile, the problem that the wire rod is easy to snap and tear in an ultra-high-length working environment is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a tensile-resistant and load-bearing composite cable. Background Art

[0002] A cable is made of one or more mutually insulated conductors and an outer insulating protective layer. It is used to transmit signals or electrical energy. The internal functional structure of the cable varies depending on the place of use.

[0003] With the continuous development of industrial automation, in order to meet the most demanding high-altitude operation applications of control cables for cranes or vertical lifts, it is currently necessary to develop and design a tensile-resistant load-bearing composite cable compared to ordinary cables to solve the problem of wire breakage and tearing in ultra-high length working environments. Utility Model Content

[0004] The utility model aims to provide a tensile-resistant load-bearing composite 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 tensile-resistant load-bearing composite cable, comprising a tensile-resistant core, a plurality of power cores evenly distributed on the outside of the tensile-resistant core, the tensile-resistant core and the plurality of power cores are coated by a wrapping layer, the outside of the wrapping layer is coated with a sheath layer, steel wire tensile cores are arranged on both sides of the sheath layer, and the outside of the steel wire tensile core is protected by a core wire sheath.

[0006] Preferably, the power line core comprises a twisted conductor and a core wire insulation layer, and the core wire insulation layer is coated on the outside of the twisted conductor.

[0007] Preferably, the stranded conductor is formed by finely twisting a number of ultra-fine oxygen-free bare copper wires; and the core wire insulation layer is a thermoplastic polymer PP insulation layer.

[0008] Preferably, the wrapping layer is made of non-woven fabric; and the sheath layer is made of PVC sheath.

[0009] Preferably, the tensile wire core is a Kevlar braided tensile wire core.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. There are multiple power cores evenly distributed on the outside of the tensile core. Steel wire tensile cores are set on both sides of the sheath layer. The tensile core adopts Kevlar braided tensile core and adopts a one-time extrusion molding design of parallel load-bearing and power cores. It effectively prevents the cable from being damaged by strong dragging, and also solves the problem of easy breaking and tearing of wires in ultra-high length working environment.

[0012] 2. The stranded conductor is made of several ultra-fine oxygen-free bare copper wires; the core wire insulation layer adopts thermoplastic polymer PP insulation layer with uniform insulation thickness; it has good heat resistance, stress cracking resistance and wear resistance; the stranded conductor complies with DIN VDE Class 6 regulations, has very low resistivity and excellent conductivity, and can efficiently transmit power and signals. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] 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:

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] In the figure: 1. Power line core; 2. Tensile line core; 3. Steel wire tensile line core; 4. Wrapping layer; 5. Sheath layer. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1In an embodiment of the utility model, a tensile-resistant load-bearing composite cable comprises a tensile core 2, the tensile core 2 is a Kevlar braided tensile core, a plurality of power cores 1 are evenly distributed on the outside of the tensile core 2, the tensile core 2 and the plurality of power cores 1 are coated by a wrapping layer 4, the outer side of the wrapping layer 4 is coated with a sheath layer 5, and the wrapping layer 4 is wrapped with non-woven fabric; the sheath layer 5 is a PVC sheath, both sides of the sheath layer 5 are provided with steel wire tensile cores 3, the outer side of the steel wire tensile core 3 is protected by a core sheath, and the core sheath and the sheath layer are an integrally formed structure; a plurality of power cores are evenly distributed on the outside of the tensile core, both sides of the sheath layer are provided with steel wire tensile cores, the tensile core is a Kevlar braided tensile core, and a parallel load-bearing and power core one-time extrusion molding design is adopted, which effectively prevents the situation that the cable is easily damaged due to strong dragging, and also solves the problem that the wire is easily broken and torn in an ultra-high length working environment.

[0018] The power line core 1 includes a twisted conductor and a core wire insulation layer, wherein the core wire insulation layer is coated on the outside of the twisted conductor; the twisted conductor is made of a number of ultra-fine oxygen-free bare copper wires; the core wire insulation layer is made of a thermoplastic polymer PP insulation layer with uniform insulation thickness; good heat resistance, stress cracking resistance and wear resistance; the twisted conductor complies with DIN VDE Class 6 regulations, has very low resistivity and excellent conductivity, and can efficiently transmit power and signals.

[0019] The cable is widely used in the field of control cables for cranes or vertical lifts. The invention increases the service life of the cable in damp and oily indoor or outdoor environments, and adopts a one-time extrusion molding design of parallel load-bearing and power wire cores, which effectively prevents the cable from being damaged by strong dragging, and also solves the problem of easy breaking and tearing of the wire in an ultra-high length working environment.

[0020] 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 tensile bearing composite cable, comprising a tensile core (2), characterized in that: A plurality of power cores (1) are evenly distributed on the outside of the tensile core (2); the tensile core (2) and the plurality of power cores (1) are coated by a wrapping layer (4); the wrapping layer (4) is coated with a sheath layer (5) on the outside; steel wire tensile cores (3) are arranged on both sides of the sheath layer (5); and the steel wire tensile core (3) is protected on the outside by a core wire sheath.

2. A tensile bearing composite cable according to claim 1, characterized in that: The power line core (1) comprises a twisted conductor and a core wire insulation layer, wherein the core wire insulation layer is coated on the outside of the twisted conductor.

3. A tensile bearing composite cable according to claim 2, characterized in that: The stranded conductor is made of a number of ultra-fine oxygen-free bare copper wires twisted together; the core wire insulation layer is made of a thermoplastic polymer PP insulation layer.

4. A tensile bearing composite cable according to claim 1, characterized in that: The wrapping layer (4) is made of non-woven fabric; and the sheath layer (5) is made of PVC sheath.

5. The tensile-resistant bearing composite cable according to claim 1, characterized in that: The tensile wire core (2) is a Kevlar braided tensile wire core.

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